-/* src/vm/jit/x86_64/codegen.c - machine code generator for x86_64
+/* src/vm/jit/s390/codegen.c - machine code generator for s390
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007, 2008, 2009, 2010
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Andreas Krall
- Christian Thalinger
- Christian Ullrich
- Edwin Steiner
-
- $Id: codegen.c 7219 2007-01-16 22:18:57Z pm $
-
*/
#include "config.h"
#include <assert.h>
+#include <stdint.h>
#include <stdio.h>
-#include "vm/types.h"
-
-#include "md-abi.h"
-
#include "vm/jit/s390/arch.h"
#include "vm/jit/s390/codegen.h"
#include "vm/jit/s390/emit.h"
+#include "vm/jit/s390/md-abi.h"
-#include "mm/memory.h"
-#include "native/jni.h"
-#include "native/native.h"
+#include "native/localref.hpp"
+#include "native/native.hpp"
-#if defined(ENABLE_THREADS)
-# include "threads/native/lock.h"
-#endif
+#include "mm/memory.hpp"
+
+#include "threads/lock.hpp"
-#include "vm/builtin.h"
-#include "vm/exceptions.h"
+#include "vm/jit/builtin.hpp"
+#include "vm/exceptions.hpp"
#include "vm/global.h"
-#include "vm/loader.h"
+#include "vm/loader.hpp"
#include "vm/options.h"
#include "vm/statistics.h"
-#include "vm/stringlocal.h"
-#include "vm/vm.h"
+#include "vm/types.h"
+#include "vm/vm.hpp"
+
+#include "vm/jit/abi.h"
#include "vm/jit/asmpart.h"
-#include "vm/jit/codegen-common.h"
+#include "vm/jit/codegen-common.hpp"
#include "vm/jit/dseg.h"
-#include "vm/jit/emit-common.h"
-#include "vm/jit/jit.h"
+#include "vm/jit/emit-common.hpp"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/linenumbertable.hpp"
#include "vm/jit/methodheader.h"
-#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/parse.hpp"
+#include "vm/jit/patcher-common.hpp"
#include "vm/jit/reg.h"
-#include "vm/jit/replace.h"
-
-#if defined(ENABLE_LSRA)
-# include "vm/jit/allocator/lsra.h"
-#endif
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.hpp"
-#define OOPS() assert(0);
-#if 0
-u1 *createcompilerstub(methodinfo *m) {
- OOPS();
- u1 *stub = malloc(8);
- bzero(stub, 8);
- return stub;
-}
-#endif
+/* DO__LOG generates a call to do__log. No registers are destroyed,
+ * so you may use it anywhere. regs is an array containing all general
+ * purpose registers.
+ */
-#if 0
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd) {
- OOPS();
- return createcompilerstub(NULL);
+/*
+static void do__log(u4 *regs) {
}
-#endif
+*/
+#define DO__LOG \
+ N_AHI(REG_SP, -200); \
+ N_STM(R0, R15, 96, REG_SP); \
+ M_ALD_DSEG(R14, dseg_add_address(cd, &do__log)); \
+ N_LA(R2, 96, RN, REG_SP); \
+ N_BASR(R14, R14); \
+ N_LM(R0, R15, 96, REG_SP); \
+ N_AHI(REG_SP, 200);
+
+/* If the following macro is defined, workaround code for hercules quirks
+ * is generated
+ */
+/* #define SUPPORT_HERCULES 1 */
-/* codegen *********************************************************************
+/*
- Generates machine code.
+Layout of stackframe:
+
+Meaning Offset
+===============================================================================
+return_address (stackframesize - 1) * 8
+saved_int_reg[INT_SAV_CNT - 1] (stackframseize - 2) * 8
+...
+saved_int_reg[rd->savintreguse]
+saved_flt_reg[FLT_SAV_CNT - 1]
+...
+saved_flt_reg[rd->savfltreguse] (stackframesize - 1 - savedregs_num) * 8
+
+return_value_tmp (rd->memuse + 1) * 8
+monitorenter_argument (rd->memuse) * 8
+???
+local[rd->memuse - 1] (rd->memuse - 1) * 8
+....
+local[2] 2 * 8
+local[1] 1 * 8
+local[0] 0 * 8
-*******************************************************************************/
+*/
-bool codegen(jitdata *jd)
+/**
+ * Generates machine code for the method prolog.
+ */
+void codegen_emit_prolog(jitdata* jd)
{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- s4 len, s1, s2, s3, d, disp;
- u2 currentline;
- ptrint a;
- varinfo *var, *var1, *var2, *dst;
- basicblock *bptr;
- instruction *iptr;
- exception_entry *ex;
- constant_classref *cr;
- unresolved_class *uc;
- methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
- unresolved_method *um;
- builtintable_entry *bte;
- methoddesc *md;
- fieldinfo *fi;
- unresolved_field *uf;
- s4 fieldtype;
- rplpoint *replacementpoint;
- s4 varindex;
-
- /* get required compiler data */
-
- m = jd->m;
- code = jd->code;
- cd = jd->cd;
- rd = jd->rd;
-
- /* prevent compiler warnings */
-
- d = 0;
- lm = NULL;
- um = NULL;
- bte = NULL;
-
- {
- s4 i, p, t, l;
- s4 savedregs_num;
+ varinfo* var;
+ methoddesc* md;
+ int32_t s1, s2;
+ int32_t p, t, l;
+ int32_t varindex;
+ int i;
- savedregs_num = 0;
+ // Get required compiler data.
+ methodinfo* m = jd->m;
+ codeinfo* code = jd->code;
+ codegendata* cd = jd->cd;
+ registerdata* rd = jd->rd;
- /* space to save used callee saved registers */
+ /* CAUTION:
+ * As REG_ITMP2 == REG_RA, do not touch REG_ITMP2, until it has been saved.
+ */
- savedregs_num += (INT_SAV_CNT - rd->savintreguse);
- savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
+ /* Offset PV */
- cd->stackframesize = rd->memuse + savedregs_num;
+ M_AADD_IMM(N_PV_OFFSET, REG_PV);
-#if defined(ENABLE_THREADS)
- /* space to save argument of monitor_enter */
-
- if (checksync && (m->flags & ACC_SYNCHRONIZED))
- cd->stackframesize++;
-#endif
-
- /* Keep stack of non-leaf functions 16-byte aligned for calls into
- native code e.g. libc or jni (alignment problems with
- movaps). */
-
- if (!jd->isleafmethod || opt_verbosecall)
- cd->stackframesize |= 0x1;
-
- /* create method header */
-
- (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
- (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
-
-#if defined(ENABLE_THREADS)
- /* IsSync contains the offset relative to the stack pointer for the
- argument of monitor_exit used in the exception handler. Since the
- offset could be zero and give a wrong meaning of the flag it is
- offset by one.
- */
-
- if (checksync && (m->flags & ACC_SYNCHRONIZED))
- (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync */
- else
-#endif
- (void) dseg_add_unique_s4(cd, 0); /* IsSync */
-
- (void) dseg_add_unique_s4(cd, jd->isleafmethod); /* IsLeaf */
- (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
- (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
-
- (void) dseg_addlinenumbertablesize(cd);
-
- (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
-
- /* create exception table */
+ /* create stack frame (if necessary) */
- for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
- dseg_add_target(cd, ex->start);
- dseg_add_target(cd, ex->end);
- dseg_add_target(cd, ex->handler);
- (void) dseg_add_unique_address(cd, ex->catchtype.any);
+ if (cd->stackframesize) {
+ M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
}
-
- /* generate method profiling code */
-
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
-
- M_MOV_IMM(code, REG_ITMP3);
- M_IINC_MEMBASE(REG_ITMP3, OFFSET(codeinfo, frequency));
- PROFILE_CYCLE_START;
- }
+ /* store return address */
- /* create stack frame (if necessary) */
+ M_AST(REG_RA, REG_SP, (cd->stackframesize - 1) * 8);
- if (cd->stackframesize)
- M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
+ /* save used callee saved registers and return address */
- /* save used callee saved registers */
+ p = cd->stackframesize - 1;
- p = cd->stackframesize;
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
+ p--; M_IST(rd->savintregs[i], REG_SP, p * 8);
}
for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
p--; M_DST(rd->savfltregs[i], REG_SP, p * 8);
for (p = 0, l = 0; p < md->paramcount; p++) {
t = md->paramtypes[p].type;
-
- varindex = jd->local_map[l * 5 + t];
+ varindex = jd->local_map[l * 5 + t];
l++;
- if (IS_2_WORD_TYPE(t)) /* increment local counter for 2 word types */
- l++;
+
+ if (IS_2_WORD_TYPE(t))
+ l++;
if (varindex == UNUSED)
continue;
- var = VAR(varindex);
-
+ var = VAR(varindex);
+
s1 = md->params[p].regoff;
if (IS_INT_LNG_TYPE(t)) { /* integer args */
- s2 = rd->argintregs[s1];
+ if (IS_2_WORD_TYPE(t)) {
+ s2 = PACK_REGS(
+ GET_LOW_REG(s1),
+ GET_HIGH_REG(s1)
+ );
+ } else {
+ s2 = s1;
+ }
if (!md->params[p].inmemory) { /* register arguments */
if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
- M_INTMOVE(s2, var->vv.regoff);
-
+ if (IS_2_WORD_TYPE(t)) {
+ M_LNGMOVE(s2, var->vv.regoff);
+ } else {
+ M_INTMOVE(s2, var->vv.regoff);
+ }
} else { /* reg arg -> spilled */
- M_LST(s2, REG_SP, var->vv.regoff * 8);
- }
+ if (IS_2_WORD_TYPE(t)) {
+ M_LST(s2, REG_SP, var->vv.regoff);
+ } else {
+ M_IST(s2, REG_SP, var->vv.regoff);
+ }
+ }
} else { /* stack arguments */
if (!IS_INMEMORY(var->flags)) { /* stack arg -> register */
- /* + 8 for return address */
- M_LLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8 + 8);
-
+ if (IS_2_WORD_TYPE(t)) {
+ M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ } else {
+ M_ILD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ }
} else { /* stack arg -> spilled */
- var->vv.regoff = cd->stackframesize + s1 + 1;
+ N_MVC(var->vv.regoff, 8, REG_SP, cd->stackframesize * 8 + s1, REG_SP);
}
}
} else { /* floating args */
if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argfltregs[s1];
+ s2 = s1;
if (!IS_INMEMORY(var->flags)) { /* reg arg -> register */
- M_FLTMOVE(s2, var->vv.regoff);
+ emit_fmove(cd, s2, var->vv.regoff);
} else { /* reg arg -> spilled */
- M_DST(s2, REG_SP, var->vv.regoff * 8);
+ if (IS_2_WORD_TYPE(t))
+ M_DST(s2, REG_SP, var->vv.regoff);
+ else
+ M_FST(s2, REG_SP, var->vv.regoff);
}
} else { /* stack arguments */
if (!IS_INMEMORY(var->flags)) { /* stack-arg -> register */
- M_DLD(var->vv.regoff, REG_SP, (cd->stackframesize + s1) * 8 + 8);
+ if (IS_2_WORD_TYPE(t))
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
- } else {
- var->vv.regoff = cd->stackframesize + s1 + 1;
+ else
+ M_FLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+
+ } else { /* stack-arg -> spilled */
+ N_MVC(var->vv.regoff, 8, REG_SP, cd->stackframesize * 8 + s1, REG_SP);
+ var->vv.regoff = cd->stackframesize * 8 + s1;
}
}
}
- } /* end for */
-
- /* save monitorenter argument */
-
-#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- /* stack offset for monitor argument */
-
- s1 = rd->memuse;
-
- if (opt_verbosecall) {
- M_LSUB_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
-
- for (p = 0; p < INT_ARG_CNT; p++)
- M_LST(rd->argintregs[p], REG_SP, p * 8);
+ } /* end for */
+}
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
- s1 += INT_ARG_CNT + FLT_ARG_CNT;
- }
+/**
+ * Generates machine code for the method epilog.
+ */
+void codegen_emit_epilog(jitdata* jd)
+{
+ int32_t p;
+ int i;
- /* decide which monitor enter function to call */
+ // Get required compiler data.
+ codegendata* cd = jd->cd;
+ registerdata* rd = jd->rd;
- if (m->flags & ACC_STATIC) {
- M_MOV_IMM(&m->class->object.header, REG_A0);
- }
- else {
- M_TEST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
- }
+ p = cd->stackframesize;
- M_AST(REG_A0, REG_SP, s1 * 8);
- M_MOV_IMM(LOCK_monitor_enter, REG_ITMP1);
- M_CALL(REG_ITMP1);
+ /* restore return address */
- if (opt_verbosecall) {
- for (p = 0; p < INT_ARG_CNT; p++)
- M_LLD(rd->argintregs[p], REG_SP, p * 8);
+ p--; M_ALD(REG_RA, REG_SP, p * 8);
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(rd->argfltregs[p], REG_SP, (INT_ARG_CNT + p) * 8);
+ /* restore saved registers */
- M_LADD_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
- }
+ for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
+ p--; M_ILD(rd->savintregs[i], REG_SP, p * 8);
}
-#endif
-
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
-#endif /* !defined(NDEBUG) */
-
+ for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
+ p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
}
- /* end of header generation */
-
- replacementpoint = jd->code->rplpoints;
-
- /* walk through all basic blocks */
-
- for (bptr = jd->basicblocks; bptr != NULL; bptr = bptr->next) {
-
- bptr->mpc = (u4) ((u1 *) cd->mcodeptr - cd->mcodebase);
-
- if (bptr->flags >= BBREACHED) {
-
- /* branch resolving */
-
- codegen_resolve_branchrefs(cd, bptr);
-
- /* handle replacement points */
-
-#if 0
- if (bptr->bitflags & BBFLAG_REPLACEMENT) {
- replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
-
- replacementpoint++;
-
- assert(cd->lastmcodeptr <= cd->mcodeptr);
- cd->lastmcodeptr = cd->mcodeptr + 5; /* 5 byte jmp patch */
- }
-#endif
-
- /* copy interface registers to their destination */
-
- len = bptr->indepth;
- MCODECHECK(512);
-
- /* generate basicblock profiling code */
-
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
-
- M_MOV_IMM(code->bbfrequency, REG_ITMP3);
- M_IINC_MEMBASE(REG_ITMP3, bptr->nr * 4);
-
- /* if this is an exception handler, start profiling again */
-
- if (bptr->type == BBTYPE_EXH)
- PROFILE_CYCLE_START;
- }
-
-#if defined(ENABLE_LSRA)
- if (opt_lsra) {
- while (len) {
- len--;
- src = bptr->invars[len];
- if ((len == bptr->indepth-1) && (bptr->type != BBTYPE_STD)) {
- if (bptr->type == BBTYPE_EXH) {
-/* d = reg_of_var(rd, src, REG_ITMP1); */
- if (!IS_INMEMORY(src->flags))
- d= src->vv.regoff;
- else
- d=REG_ITMP1;
- M_INTMOVE(REG_ITMP1, d);
- emit_store(jd, NULL, src, d);
- }
- }
- }
-
- } else {
-#endif
-
- while (len) {
- len--;
- var = VAR(bptr->invars[len]);
- if ((len == bptr->indepth-1) && (bptr->type != BBTYPE_STD)) {
- if (bptr->type == BBTYPE_EXH) {
- d = codegen_reg_of_var(0, var, REG_ITMP1);
- M_INTMOVE(REG_ITMP1, d);
- emit_store(jd, NULL, var, d);
- }
- }
- else {
- assert((var->flags & INOUT));
- }
- }
-#if defined(ENABLE_LSRA)
- }
-#endif
- /* walk through all instructions */
-
- len = bptr->icount;
- currentline = 0;
+ /* deallocate stack */
- for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
- if (iptr->line != currentline) {
- dseg_addlinenumber(cd, iptr->line);
- currentline = iptr->line;
- }
+ if (cd->stackframesize)
+ M_AADD_IMM(cd->stackframesize * 8, REG_SP);
- MCODECHECK(1024); /* 1KB should be enough */
+ M_RET;
+}
- switch (iptr->opc) {
- case ICMD_NOP: /* ... ==> ... */
- case ICMD_POP: /* ..., value ==> ... */
- case ICMD_POP2: /* ..., value, value ==> ... */
- case ICMD_INLINE_START: /* internal ICMDs */
- case ICMD_INLINE_END:
- break;
- case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
-#endif
- break;
+/**
+ * Generates machine code for one ICMD.
+ */
+void codegen_emit_instruction(jitdata* jd, instruction* iptr)
+{
+ varinfo* var;
+ builtintable_entry* bte;
+ methodinfo* lm; // Local methodinfo for ICMD_INVOKE*.
+ unresolved_method* um;
+ fieldinfo* fi;
+ unresolved_field* uf;
+ int32_t fieldtype;
+ int32_t s1, s2, s3, d, dd;
+ int32_t disp;
+
+ // Get required compiler data.
+ codeinfo* code = jd->code;
+ codegendata* cd = jd->cd;
+
+ switch (iptr->opc) {
/* constant operations ************************************************/
- case ICMD_ICONST: /* ... ==> ..., constant */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- ICONST(d, iptr->sx.val.i);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
-
- case ICMD_LCONST: /* ... ==> ..., constant */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- LCONST(d, iptr->sx.val.l);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
-
case ICMD_FCONST: /* ... ==> ..., constant */
- OOPS();
-#if 0
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
disp = dseg_add_float(cd, iptr->sx.val.f);
- emit_movdl_membase_reg(cd, RIP, -((cd->mcodeptr + ((d > 7) ? 9 : 8)) - cd->mcodebase) + disp, d);
+ M_FLD_DSEG(d, disp, REG_ITMP1);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DCONST: /* ... ==> ..., constant */
- OOPS();
-#if 0
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
disp = dseg_add_double(cd, iptr->sx.val.d);
- emit_movd_membase_reg(cd, RIP, -((cd->mcodeptr + 9) - cd->mcodebase) + disp, d);
+ M_DLD_DSEG(d, disp, REG_ITMP1);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_ACONST: /* ... ==> ..., constant */
- OOPS();
-#if 0
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- cr = iptr->sx.val.c.ref;
-
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_aconst, cr, 0);
+ constant_classref *cr = iptr->sx.val.c.ref;
+ disp = dseg_add_unique_address(cd, cr);
-/* PROFILE_CYCLE_START; */
-
- M_MOV_IMM(NULL, d);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ cr, disp);
+ M_ALD_DSEG(d, disp);
} else {
- if (iptr->sx.val.anyptr == 0)
+ if (iptr->sx.val.anyptr == 0) {
M_CLR(d);
- else
- M_MOV_IMM(iptr->sx.val.anyptr, d);
+ } else {
+ disp = dseg_add_unique_address(cd, iptr->sx.val.anyptr);
+ M_ALD_DSEG(d, disp);
+ /*
+ if (((u4)(iptr->sx.val.anyptr) & 0x00008000) == 0) {
+ N_LHI(d, ((u4)(iptr->sx.val.anyptr) >> 16) & 0xFFFF);
+ M_SLL_IMM(16, d);
+ N_AHI(d, (u4)(iptr->sx.val.anyptr) & 0xFFFF);
+ } else {
+ disp = dseg_add_unique_address(cd, iptr->sx.val.anyptr);
+ M_ALD_DSEG(d, disp);
+ }
+ */
+ }
}
emit_store_dst(jd, iptr, d);
-#endif
- break;
-
-
- /* load/store/copy/move operations ************************************/
-
- case ICMD_ILOAD: /* ... ==> ..., content of local variable */
- case ICMD_ALOAD: /* s1 = local variable */
- case ICMD_LLOAD:
- case ICMD_FLOAD:
- case ICMD_DLOAD:
- case ICMD_ISTORE: /* ..., value ==> ... */
- case ICMD_LSTORE:
- case ICMD_FSTORE:
- case ICMD_DSTORE:
- case ICMD_COPY:
- case ICMD_MOVE:
- OOPS();
-#if 0
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
-#endif
break;
- case ICMD_ASTORE:
- OOPS();
-#if 0
- if (!(iptr->flags.bits & INS_FLAG_RETADDR))
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
-#endif
- break;
/* integer operations *************************************************/
case ICMD_INEG: /* ..., value ==> ..., - value */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_INEG(d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INEG(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_LNEG: /* ..., value ==> ..., - value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_LNEG(d);
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP12_PACKED);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ M_INEG(GET_HIGH_REG(s1), GET_HIGH_REG(d));
+ M_INEG(GET_LOW_REG(s1), GET_LOW_REG(d));
+ N_BRC(8 /* result zero, no overflow */, SZ_BRC + SZ_AHI);
+ N_AHI(GET_HIGH_REG(d), -1);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_I2L: /* ..., value ==> ..., value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_ISEXT(s1, d);
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP31_PACKED); /* even-odd */
+ if (! N_IS_EVEN_ODD(d)) {
+ d = REG_ITMP31_PACKED;
+ }
+ assert(N_IS_EVEN_ODD(d));
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP2);
+
+ M_INTMOVE(s1, GET_HIGH_REG(d));
+ M_SRDA_IMM(32, GET_HIGH_REG(d));
+
+ emit_copy_dst(jd, iptr, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_L2I: /* ..., value ==> ..., value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_IMOV(s1, d);
+ M_INTMOVE(GET_LOW_REG(s1), d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_INT2BYTE: /* ..., value ==> ..., value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_BSEXT(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s1, d);
+ M_SLL_IMM(24, d);
+ M_SRA_IMM(24, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_INT2CHAR: /* ..., value ==> ..., value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_CZEXT(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s1, d);
+ M_SLL_IMM(16, d);
+ M_SRL_IMM(16, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_INT2SHORT: /* ..., value ==> ..., value */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_SSEXT(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_INTMOVE(s1, d);
+ M_SLL_IMM(16, d);
+ M_SRA_IMM(16, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
-
case ICMD_IADD: /* ..., val1, val2 ==> ..., val1 + val2 */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_IADD(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_IINC:
case ICMD_IADDCONST: /* ..., value ==> ..., value + constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
-
- /* Using inc and dec is not faster than add (tested with
- sieve). */
-
M_INTMOVE(s1, d);
- M_IADD_IMM(iptr->sx.val.i, d);
+
+ if (N_VALID_IMM(iptr->sx.val.i)) {
+ M_IADD_IMM(iptr->sx.val.i, d);
+ } else {
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_IADD(REG_ITMP2, d);
+ }
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_LADD: /* ..., val1, val2 ==> ..., val1 + val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_LADD(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_LADD(s2, d);
+
+ /* M, (r, q) -> (r, q) */
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+
+ s1 = emit_load_s1_high(jd, iptr, GET_HIGH_REG(REG_ITMP12_PACKED));
+ s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);
+ dd = GET_HIGH_REG(d);
+
+ if (s2 == dd) {
+ M_IADD(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IADD(s2, dd);
+ }
+
+ s1 = emit_load_s1_low(jd, iptr, GET_LOW_REG(REG_ITMP12_PACKED));
+ s2 = emit_load_s2_low(jd, iptr, REG_ITMP3);
+ dd = GET_LOW_REG(d);
+
+ if (s2 == dd) {
+ N_ALR(dd, s1);
+ } else {
+ M_INTMOVE(s1, dd);
+ N_ALR(dd, s2);
}
+
+ N_BRC(8 | 4, SZ_BRC + SZ_AHI);
+ N_AHI(GET_HIGH_REG(d), 1);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_LADDCONST: /* ..., value ==> ..., value + constant */
/* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- if (IS_IMM32(iptr->sx.val.l))
- M_LADD_IMM(iptr->sx.val.l, d);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LADD(REG_ITMP2, d);
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ dd = GET_HIGH_REG(d);
+
+ s1 = emit_load_s1_high(jd, iptr, dd);
+ s3 = iptr->sx.val.l >> 32;
+
+ M_INTMOVE(s1, dd);
+
+ if (N_VALID_IMM(s3)) {
+ M_IADD_IMM(s3, dd);
+ } else {
+ ICONST(REG_ITMP3, s3);
+ M_IADD(REG_ITMP3, dd);
}
+
+ dd = GET_LOW_REG(d);
+ s1 = emit_load_s1_low(jd, iptr, dd);
+ s3 = iptr->sx.val.l & 0xffffffff;
+ ICONST(REG_ITMP3, s3);
+
+ M_INTMOVE(s1, dd);
+ N_ALR(dd, REG_ITMP3);
+
+ N_BRC(8 | 4, SZ_BRC + SZ_AHI);
+ N_AHI(GET_HIGH_REG(d), 1);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_ISUB: /* ..., val1, val2 ==> ..., val1 - val2 */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_ISUB(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_ISUBCONST: /* ..., value ==> ..., value + constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
M_INTMOVE(s1, d);
- M_ISUB_IMM(iptr->sx.val.i, d);
+
+ if (N_VALID_IMM(-iptr->sx.val.i)) {
+ M_ISUB_IMM(iptr->sx.val.i, d);
+ } else {
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_ISUB(REG_ITMP2, d);
+ }
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_LSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d) {
- M_INTMOVE(s1, REG_ITMP1);
- M_LSUB(s2, REG_ITMP1);
- M_INTMOVE(REG_ITMP1, d);
- } else {
- M_INTMOVE(s1, d);
- M_LSUB(s2, d);
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+
+ s1 = emit_load_s1_high(jd, iptr, GET_HIGH_REG(REG_ITMP12_PACKED));
+ s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);
+ dd = GET_HIGH_REG(d);
+
+ if (s2 == dd) {
+ M_INTMOVE(s2, REG_ITMP3);
+ s2 = REG_ITMP3;
}
+
+ M_INTMOVE(s1, dd);
+ M_ISUB(s2, dd);
+
+ s1 = emit_load_s1_low(jd, iptr, GET_LOW_REG(REG_ITMP12_PACKED));
+ s2 = emit_load_s2_low(jd, iptr, REG_ITMP3);
+ dd = GET_LOW_REG(d);
+
+ if (s2 == dd) {
+ M_INTMOVE(s2, REG_ITMP3);
+ s2 = REG_ITMP3;
+ }
+
+ M_INTMOVE(s1, dd);
+ N_SLR(dd, s2);
+
+ N_BRC(1 | 2, SZ_BRC + SZ_AHI);
+ N_AHI(GET_HIGH_REG(d), -1);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_LSUBCONST: /* ..., value ==> ..., value - constant */
/* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- if (IS_IMM32(iptr->sx.val.l))
- M_LSUB_IMM(iptr->sx.val.l, d);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LSUB(REG_ITMP2, d);
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+
+ dd = GET_HIGH_REG(d);
+ s1 = emit_load_s1_high(jd, iptr, dd);
+ s3 = iptr->sx.val.l >> 32;
+
+ M_INTMOVE(s1, dd);
+
+ if (N_VALID_IMM(-s3)) {
+ M_IADD_IMM(-s3, dd);
+ } else {
+ ICONST(REG_ITMP3, s3);
+ M_ISUB(REG_ITMP3, dd);
}
+
+ dd = GET_LOW_REG(d);
+ s1 = emit_load_s1_low(jd, iptr, dd);
+ s3 = iptr->sx.val.l & 0xffffffff;
+ ICONST(REG_ITMP3, s3);
+
+ M_INTMOVE(s1, dd);
+ N_SLR(dd, REG_ITMP3);
+
+ N_BRC(1 | 2, SZ_BRC + SZ_AHI);
+ N_AHI(GET_HIGH_REG(d), -1);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_IMUL(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_IMULCONST: /* ..., value ==> ..., value * constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ M_INTMOVE(s1, d);
if (iptr->sx.val.i == 2) {
- M_INTMOVE(s1, d);
- M_ISLL_IMM(1, d);
- } else
- M_IMUL_IMM(s1, iptr->sx.val.i, d);
+ M_SLL_IMM(1, d);
+ } else if (N_VALID_IMM(iptr->sx.val.i)) {
+ M_IMUL_IMM(iptr->sx.val.i, d);
+ } else {
+ disp = dseg_add_s4(cd, iptr->sx.val.i);
+ M_ILD_DSEG(REG_ITMP2, disp);
+ M_IMUL(REG_ITMP2, d);
+ }
emit_store_dst(jd, iptr, d);
-#endif
break;
- case ICMD_LMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
+ case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
+
+ /* load s1 into r0 */
+
+ s1 = emit_load_s1(jd, iptr, GET_HIGH_REG(REG_ITMP31_PACKED));
+ M_INTMOVE(s1, GET_HIGH_REG(REG_ITMP31_PACKED));
+ s1 = GET_HIGH_REG(REG_ITMP31_PACKED);
+
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_LMUL(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_LMUL(s2, d);
- }
- emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_LMULCONST: /* ..., value ==> ..., value * constant */
- /* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LMUL_IMM(s1, iptr->sx.val.l, d);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_INTMOVE(s1, d);
- M_LMUL(REG_ITMP2, d);
+ /* extend s1 to long */
+
+ M_SRDA_IMM(32, GET_HIGH_REG(REG_ITMP31_PACKED));
+
+ /* divide */
+
+ N_DR(GET_HIGH_REG(REG_ITMP31_PACKED), s2);
+
+ /* take result */
+
+ switch (iptr->opc) {
+ case ICMD_IREM:
+ d = codegen_reg_of_dst(jd, iptr, GET_HIGH_REG(REG_ITMP31_PACKED));
+ M_INTMOVE(GET_HIGH_REG(REG_ITMP31_PACKED), d);
+ break;
+ case ICMD_IDIV:
+ d = codegen_reg_of_dst(jd, iptr, GET_LOW_REG(REG_ITMP31_PACKED));
+ M_INTMOVE(GET_LOW_REG(REG_ITMP31_PACKED), d);
+ break;
}
+
emit_store_dst(jd, iptr, d);
-#endif
+
break;
- case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
- OOPS();
-#if 0
- var1 = VAROP(iptr->s1);
- var2 = VAROP(iptr->sx.s23.s2);
- dst = VAROP(iptr->dst);
-
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- if (IS_INMEMORY(var1->flags))
- M_ILD(RAX, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, RAX);
-
- if (IS_INMEMORY(var2->flags))
- M_ILD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
-
- if (checknull) {
- M_ITEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
+ case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- emit_alul_imm_reg(cd, ALU_CMP, 0x80000000, RAX); /* check as described in jvm spec */
- emit_jcc(cd, CC_NE, 4 + 6);
- emit_alul_imm_reg(cd, ALU_CMP, -1, REG_ITMP3); /* 4 bytes */
- emit_jcc(cd, CC_E, 3 + 1 + 3); /* 6 bytes */
+ bte = iptr->sx.s23.s3.bte;
- emit_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
- emit_cltd(cd);
- emit_idivl_reg(cd, REG_ITMP3);
+ /* test s2 for zero */
- if (IS_INMEMORY(dst->flags)) {
- emit_mov_reg_membase(cd, RAX, REG_SP, dst->vv.regoff * 8);
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
+ s2 = emit_load_s2(jd, iptr, REG_ITMP12_PACKED);
+ M_INTMOVE(GET_LOW_REG(s2), REG_ITMP3);
+ M_IOR(GET_HIGH_REG(s2), REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, REG_ITMP3);
- } else {
- M_INTMOVE(RAX, dst->vv.regoff);
+ /* TODO SIGFPE? */
- if (dst->vv.regoff != RDX) {
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
- }
- }
-#endif
- break;
+ disp = dseg_add_functionptr(cd, bte->fp);
- case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- OOPS();
-#if 0
- var1 = VAROP(iptr->s1);
- var2 = VAROP(iptr->sx.s23.s2);
- dst = VAROP(iptr->dst);
-
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- if (IS_INMEMORY(var1->flags))
- M_ILD(RAX, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, RAX);
-
- if (IS_INMEMORY(var2->flags))
- M_ILD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
+ /* load arguments */
- if (checknull) {
- M_ITEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ M_LNGMOVE(s2, PACK_REGS(REG_A3, REG_A2));
- emit_mov_reg_reg(cd, RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
+ s1 = emit_load_s1(jd, iptr, PACK_REGS(REG_A1, REG_A0));
+ M_LNGMOVE(s1, PACK_REGS(REG_A1, REG_A0));
- emit_alul_imm_reg(cd, ALU_CMP, 0x80000000, RAX); /* check as described in jvm spec */
- emit_jcc(cd, CC_NE, 2 + 4 + 6);
+ /* call builtin */
+ M_ASUB_IMM(96, REG_SP);
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_JSR(REG_RA, REG_ITMP2);
+ M_AADD_IMM(96, REG_SP);
- emit_alul_reg_reg(cd, ALU_XOR, RDX, RDX); /* 2 bytes */
- emit_alul_imm_reg(cd, ALU_CMP, -1, REG_ITMP3); /* 4 bytes */
- emit_jcc(cd, CC_E, 1 + 3); /* 6 bytes */
+ /* store result */
- emit_cltd(cd);
- emit_idivl_reg(cd, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
+ M_LNGMOVE(REG_RESULT_PACKED, d);
+ emit_store_dst(jd, iptr, d);
- if (IS_INMEMORY(dst->flags)) {
- emit_mov_reg_membase(cd, RDX, REG_SP, dst->vv.regoff * 8);
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
+ break;
- } else {
- M_INTMOVE(RDX, dst->vv.regoff);
+ case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
+ case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
+ case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
- if (dst->vv.regoff != RDX) {
- emit_mov_reg_reg(cd, REG_ITMP2, RDX); /* restore %rdx */
- }
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+
+ /* Use only 5 bits of sencond operand. */
+
+ M_INTMOVE(s2, REG_ITMP2);
+ s2 = REG_ITMP2;
+ ICONST(REG_ITMP3, 0x1F);
+ M_IAND(REG_ITMP3, s2);
+
+ M_INTMOVE(s1, d);
+
+ switch (iptr->opc) {
+ case ICMD_ISHL:
+ M_SLL(s2, d);
+ break;
+ case ICMD_ISHR:
+ M_SRA(s2, d);
+ break;
+ case ICMD_IUSHR:
+ M_SRL(s2, d);
+ break;
+ default:
+ assert(0);
}
-#endif
+ emit_store_dst(jd, iptr, d);
break;
case ICMD_IDIVPOW2: /* ..., value ==> ..., value >> constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_INTMOVE(s1, REG_ITMP1);
- emit_alul_imm_reg(cd, ALU_CMP, -1, REG_ITMP1);
- emit_leal_membase_reg(cd, REG_ITMP1, (1 << iptr->sx.val.i) - 1, REG_ITMP2);
- emit_cmovccl_reg_reg(cd, CC_LE, REG_ITMP2, REG_ITMP1);
- emit_shiftl_imm_reg(cd, SHIFT_SAR, iptr->sx.val.i, REG_ITMP1);
- emit_mov_reg_reg(cd, REG_ITMP1, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ {
+ u1 *ref;
+
+ assert(iptr->sx.val.i <= 32);
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+
+ M_INTMOVE(s1, d);
+ M_TEST(d);
+ ref = cd->mcodeptr;
+ M_BGE(0);
+
+ s3 = (1 << iptr->sx.val.i) - 1;
+
+ if (N_VALID_IMM(s3)) {
+ M_IADD_IMM(s3, d);
+ } else {
+ ICONST(REG_ITMP1, -1);
+ M_SRL_IMM(32 - iptr->sx.val.i, REG_ITMP1);
+ M_IADD(REG_ITMP1, d);
+ }
+
+ N_BRC_BACK_PATCH(ref);
+
+ M_SRA_IMM(iptr->sx.val.i, d);
+ emit_store_dst(jd, iptr, d);
+ }
+
+ break;
+
case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_INTMOVE(s1, REG_ITMP1);
- emit_alul_imm_reg(cd, ALU_CMP, -1, REG_ITMP1);
- emit_leal_membase_reg(cd, REG_ITMP1, iptr->sx.val.i, REG_ITMP2);
- emit_cmovccl_reg_reg(cd, CC_G, REG_ITMP1, REG_ITMP2);
- emit_alul_imm_reg(cd, ALU_AND, -1 - (iptr->sx.val.i), REG_ITMP2);
- emit_alul_reg_reg(cd, ALU_SUB, REG_ITMP2, REG_ITMP1);
- emit_mov_reg_reg(cd, REG_ITMP1, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ if (s1 == d) {
+ M_MOV(s1, REG_ITMP1);
+ s1 = REG_ITMP1;
+ }
+
+ ICONST(REG_ITMP3, iptr->sx.val.i);
- case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
- OOPS();
-#if 0
- var1 = VAROP(iptr->s1);
- var2 = VAROP(iptr->sx.s23.s2);
- dst = VAROP(iptr->dst);
+ M_INTMOVE(s1, d);
+ M_IAND(REG_ITMP3, d);
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
+ M_TEST(s1);
+ M_BGE(SZ_BRC + SZ_LCR + SZ_NR + SZ_LCR);
- if (IS_INMEMORY(var1->flags))
- M_LLD(RAX, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, RAX);
-
- if (IS_INMEMORY(var2->flags))
- M_LLD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
+ N_LCR(d, s1);
+ N_NR(d, REG_ITMP3);
+ N_LCR(d, d);
- if (checknull) {
- M_TEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ emit_store_dst(jd, iptr, d);
- /* check as described in jvm spec */
- disp = dseg_add_s8(cd, 0x8000000000000000LL);
- M_LCMP_MEMBASE(RIP, -((cd->mcodeptr + 7) - cd->mcodebase) + disp, RAX);
- M_BNE(4 + 6);
- M_LCMP_IMM(-1, REG_ITMP3); /* 4 bytes */
- M_BEQ(3 + 2 + 3); /* 6 bytes */
+ break;
- M_MOV(RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
- emit_cqto(cd);
- emit_idiv_reg(cd, REG_ITMP3);
+ case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
+ /* sx.val.i = constant */
+ case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
+ /* sx.val.i = constant */
+ case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
+ /* sx.val.i = constant */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- if (IS_INMEMORY(dst->flags)) {
- M_LST(RAX, REG_SP, dst->vv.regoff * 8);
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
+ M_INTMOVE(s1, d);
- } else {
- M_INTMOVE(RAX, dst->vv.regoff);
+ disp = iptr->sx.val.i & 0x1F; /* Use only 5 bits of value */
- if (dst->vv.regoff != RDX) {
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
- }
+ switch (iptr->opc) {
+ case ICMD_ISHLCONST:
+ N_SLL(d, disp, RN);
+ break;
+ case ICMD_ISHRCONST:
+ N_SRA(d, disp, RN);
+ break;
+ case ICMD_IUSHRCONST:
+ N_SRL(d, disp, RN);
+ break;
+ default:
+ assert(0);
}
-#endif
+
+ emit_store_dst(jd, iptr, d);
break;
- case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- OOPS();
-#if 0
- var1 = VAROP(iptr->s1);
- var2 = VAROP(iptr->sx.s23.s2);
- dst = VAROP(iptr->dst);
+ case ICMD_LSHL: /* ..., val1, val2 ==> ..., val1 << val2 */
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
-
- if (IS_INMEMORY(var1->flags))
- M_LLD(REG_ITMP1, REG_SP, var1->vv.regoff * 8);
- else
- M_INTMOVE(var1->vv.regoff, REG_ITMP1);
-
- if (IS_INMEMORY(var2->flags))
- M_LLD(REG_ITMP3, REG_SP, var2->vv.regoff * 8);
- else
- M_INTMOVE(var2->vv.regoff, REG_ITMP3);
- /*
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP3);
- M_INTMOVE(s2, REG_ITMP3);
- */
- if (checknull) {
- M_ITEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
- }
+ case ICMD_LSHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
- M_MOV(RDX, REG_ITMP2); /* save %rdx, cause it's an argument register */
+ case ICMD_LUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
- /* check as described in jvm spec */
- disp = dseg_add_s8(cd, 0x8000000000000000LL);
- M_LCMP_MEMBASE(RIP, -((cd->mcodeptr + 7) - cd->mcodebase) + disp, REG_ITMP1);
- M_BNE(3 + 4 + 6);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
-#if 0
- emit_alul_reg_reg(cd, ALU_XOR, RDX, RDX); /* 2 bytes */
-#endif
- M_LXOR(RDX, RDX); /* 3 bytes */
- M_LCMP_IMM(-1, REG_ITMP3); /* 4 bytes */
- M_BEQ(2 + 3); /* 6 bytes */
+ /* Use only 6 bits of second operand */
- emit_cqto(cd);
- emit_idiv_reg(cd, REG_ITMP3);
+ M_INTMOVE(s2, REG_ITMP2);
+ s2 = REG_ITMP2;
+ ICONST(REG_ITMP1, 0x3F);
+ M_IAND(REG_ITMP1, s2);
- if (IS_INMEMORY(dst->flags)) {
- M_LST(RDX, REG_SP, dst->vv.regoff * 8);
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP31_PACKED); /* even-odd pair */
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP31_PACKED);
- } else {
- M_INTMOVE(RDX, dst->vv.regoff);
+ /* Destination must be even-odd pair */
- if (dst->vv.regoff != RDX) {
- M_MOV(REG_ITMP2, RDX); /* restore %rdx */
- }
+ if (! N_IS_EVEN_ODD(d)) {
+ d = REG_ITMP31_PACKED;
}
-#endif
- break;
- case ICMD_LDIVPOW2: /* ..., value ==> ..., value >> constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_INTMOVE(s1, REG_ITMP1);
- emit_alu_imm_reg(cd, ALU_CMP, -1, REG_ITMP1);
- emit_lea_membase_reg(cd, REG_ITMP1, (1 << iptr->sx.val.i) - 1, REG_ITMP2);
- emit_cmovcc_reg_reg(cd, CC_LE, REG_ITMP2, REG_ITMP1);
- emit_shift_imm_reg(cd, SHIFT_SAR, iptr->sx.val.i, REG_ITMP1);
- emit_mov_reg_reg(cd, REG_ITMP1, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ assert(N_IS_EVEN_ODD(d));
- case ICMD_LREMPOW2: /* ..., value ==> ..., value % constant */
- /* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_INTMOVE(s1, REG_ITMP1);
- emit_alu_imm_reg(cd, ALU_CMP, -1, REG_ITMP1);
- emit_lea_membase_reg(cd, REG_ITMP1, iptr->sx.val.i, REG_ITMP2);
- emit_cmovcc_reg_reg(cd, CC_G, REG_ITMP1, REG_ITMP2);
- emit_alu_imm_reg(cd, ALU_AND, -1 - (iptr->sx.val.i), REG_ITMP2);
- emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP2, REG_ITMP1);
- emit_mov_reg_reg(cd, REG_ITMP1, d);
+ M_LNGMOVE(s1, d);
+
+ switch (iptr->opc) {
+ case ICMD_LSHL:
+ M_SLDL(s2, GET_HIGH_REG(d));
+ break;
+ case ICMD_LSHR:
+ M_SRDA(s2, GET_HIGH_REG(d));
+ break;
+ case ICMD_LUSHR:
+ M_SRDL(s2, GET_HIGH_REG(d));
+ break;
+ default:
+ assert(0);
+ }
+
+ emit_copy_dst(jd, iptr, d);
emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_ISHL: /* ..., val1, val2 ==> ..., val1 << val2 */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- emit_ishift(jd, SHIFT_SHL, iptr);
-#endif
break;
- case ICMD_ISHLCONST: /* ..., value ==> ..., value << constant */
+ case ICMD_LSHLCONST: /* ..., value ==> ..., value << constant */
+ /* sx.val.i = constant */
+ case ICMD_LSHRCONST: /* ..., value ==> ..., value >> constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_ISLL_IMM(iptr->sx.val.i, d);
+ case ICMD_LUSHRCONST: /* ..., value ==> ..., value >>> constant */
+ /* sx.val.l = constant */
+ case ICMD_LMULPOW2:
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP31_PACKED); /* even-odd */
+ if (! N_IS_EVEN_ODD(d)) {
+ d = REG_ITMP31_PACKED;
+ }
+ assert(N_IS_EVEN_ODD(d));
+
+ s1 = emit_load_s1(jd, iptr, d);
+
+ M_LNGMOVE(s1, d);
+
+ disp = iptr->sx.val.i & 0x3F; /* Use only 6 bits of operand */
+
+ switch (iptr->opc) {
+ case ICMD_LSHLCONST:
+ N_SLDL(GET_HIGH_REG(d), disp, RN);
+ break;
+ case ICMD_LSHRCONST:
+ N_SRDA(GET_HIGH_REG(d), disp, RN);
+ break;
+ case ICMD_LUSHRCONST:
+ N_SRDL(GET_HIGH_REG(d), disp, RN);
+ break;
+ case ICMD_LMULPOW2:
+ N_SLDL(GET_HIGH_REG(d), disp, RN);
+ break;
+ default:
+ assert(0);
+ }
+
+ emit_copy_dst(jd, iptr, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
- case ICMD_ISHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- emit_ishift(jd, SHIFT_SAR, iptr);
-#endif
- break;
+ case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
- case ICMD_ISHRCONST: /* ..., value ==> ..., value >> constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_INTMOVE(s1, d);
- M_ISRA_IMM(iptr->sx.val.i, d);
+ if (s2 == d)
+ M_IAND(s1, d);
+ else {
+ M_INTMOVE(s1, d);
+ M_IAND(s2, d);
+ }
emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_IUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- emit_ishift(jd, SHIFT_SHR, iptr);
-#endif
break;
- case ICMD_IUSHRCONST: /* ..., value ==> ..., value >>> constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
+ case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_INTMOVE(s1, d);
- M_ISRL_IMM(iptr->sx.val.i, d);
+ if (s2 == d)
+ M_IOR(s1, d);
+ else {
+ M_INTMOVE(s1, d);
+ M_IOR(s2, d);
+ }
emit_store_dst(jd, iptr, d);
-#endif
- break;
-
- case ICMD_LSHL: /* ..., val1, val2 ==> ..., val1 << val2 */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- emit_lshift(jd, SHIFT_SHL, iptr);
-#endif
- break;
-
- case ICMD_LSHLCONST: /* ..., value ==> ..., value << constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_LSLL_IMM(iptr->sx.val.i, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
-
- case ICMD_LSHR: /* ..., val1, val2 ==> ..., val1 >> val2 */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- emit_lshift(jd, SHIFT_SAR, iptr);
-#endif
- break;
-
- case ICMD_LSHRCONST: /* ..., value ==> ..., value >> constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_INTMOVE(s1, d);
- M_LSRA_IMM(iptr->sx.val.i, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_LUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
- OOPS();
-#if 0
- d = codegen_reg_of_dst(jd, iptr, REG_NULL);
- emit_lshift(jd, SHIFT_SHR, iptr);
-#endif
break;
- case ICMD_LUSHRCONST: /* ..., value ==> ..., value >>> constant */
- /* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_INTMOVE(s1, d);
- M_LSRL_IMM(iptr->sx.val.i, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
- case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if (s2 == d)
- M_IAND(s1, d);
+ M_IXOR(s1, d);
else {
M_INTMOVE(s1, d);
- M_IAND(s2, d);
+ M_IXOR(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
+
break;
+
+
+ case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
+ /* sx.val.i = constant */
case ICMD_IANDCONST: /* ..., value ==> ..., value & constant */
/* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_IAND_IMM(iptr->sx.val.i, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
+ /* sx.val.i = constant */
- case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
- OOPS();
-#if 0
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_LAND(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_LAND(s2, d);
- }
- emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
- /* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
M_INTMOVE(s1, d);
- if (IS_IMM32(iptr->sx.val.l))
- M_LAND_IMM(iptr->sx.val.l, d);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LAND(REG_ITMP2, d);
- }
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ ICONST(REG_ITMP2, iptr->sx.val.i);
- case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_IOR(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_IOR(s2, d);
+ switch (iptr->opc) {
+ case ICMD_IANDCONST:
+ M_IAND(REG_ITMP2, d);
+ break;
+ case ICMD_IXORCONST:
+ M_IXOR(REG_ITMP2, d);
+ break;
+ case ICMD_IORCONST:
+ M_IOR(REG_ITMP2, d);
+ break;
+ default:
+ assert(0);
}
- emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_IORCONST: /* ..., value ==> ..., value | constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_IOR_IMM(iptr->sx.val.i, d);
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_LOR: /* ..., val1, val2 ==> ..., val1 | val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_LOR(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_LOR(s2, d);
- }
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
+ case ICMD_LAND: /* ..., val1, val2 ==> ..., val1 & val2 */
- case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
- /* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- if (IS_IMM32(iptr->sx.val.l))
- M_LOR_IMM(iptr->sx.val.l, d);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LOR(REG_ITMP2, d);
- }
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- case ICMD_IXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_IXOR(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_IXOR(s2, d);
+ s1 = emit_load_s1_low(jd, iptr, GET_LOW_REG(REG_ITMP12_PACKED));
+ s2 = emit_load_s2_low(jd, iptr, REG_ITMP3);
+ dd = GET_LOW_REG(d);
+
+ switch (iptr->opc) {
+ case ICMD_LAND:
+ if (s2 == dd) {
+ M_IAND(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IAND(s2, dd);
+ }
+ break;
+ case ICMD_LXOR:
+ if (s2 == dd) {
+ M_IXOR(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IXOR(s2, dd);
+ }
+ break;
+ case ICMD_LOR:
+ if (s2 == dd) {
+ M_IOR(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IOR(s2, dd);
+ }
+ break;
+ default:
+ assert(0);
}
- emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_IXORCONST: /* ..., value ==> ..., value ^ constant */
- /* sx.val.i = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- M_IXOR_IMM(iptr->sx.val.i, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ s1 = emit_load_s1_high(jd, iptr, GET_HIGH_REG(REG_ITMP12_PACKED));
+ s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);
+ dd = GET_HIGH_REG(d);
- case ICMD_LXOR: /* ..., val1, val2 ==> ..., val1 ^ val2 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (s2 == d)
- M_LXOR(s1, d);
- else {
- M_INTMOVE(s1, d);
- M_LXOR(s2, d);
+ switch (iptr->opc) {
+ case ICMD_LAND:
+ if (s2 == dd) {
+ M_IAND(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IAND(s2, dd);
+ }
+ break;
+ case ICMD_LXOR:
+ if (s2 == dd) {
+ M_IXOR(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IXOR(s2, dd);
+ }
+ break;
+ case ICMD_LOR:
+ if (s2 == dd) {
+ M_IOR(s1, dd);
+ } else {
+ M_INTMOVE(s1, dd);
+ M_IOR(s2, dd);
+ }
+ break;
+ default:
+ assert(0);
}
+
emit_store_dst(jd, iptr, d);
-#endif
break;
+ case ICMD_LORCONST: /* ..., value ==> ..., value | constant */
+ /* sx.val.l = constant */
case ICMD_LXORCONST: /* ..., value ==> ..., value ^ constant */
/* sx.val.l = constant */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, d);
- if (IS_IMM32(iptr->sx.val.l))
- M_LXOR_IMM(iptr->sx.val.l, d);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LXOR(REG_ITMP2, d);
+ case ICMD_LANDCONST: /* ..., value ==> ..., value & constant */
+ /* sx.val.l = constant */
+
+ /* TODO should use memory operand to access data segment, not load */
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+
+ s1 = emit_load_s1_low(jd, iptr, GET_LOW_REG(d));
+ s3 = iptr->sx.val.l & 0xffffffff;
+
+ M_INTMOVE(s1, GET_LOW_REG(d));
+
+ ICONST(REG_ITMP3, s3);
+
+ switch (iptr->opc) {
+ case ICMD_LANDCONST:
+ M_IAND(REG_ITMP3, GET_LOW_REG(d));
+ break;
+ case ICMD_LXORCONST:
+ M_IXOR(REG_ITMP3, GET_LOW_REG(d));
+ break;
+ case ICMD_LORCONST:
+ M_IOR(REG_ITMP3, GET_LOW_REG(d));
+ break;
+ default:
+ assert(0);
+ }
+
+ s1 = emit_load_s1_high(jd, iptr, GET_HIGH_REG(d));
+ s3 = iptr->sx.val.l >> 32;
+
+ M_INTMOVE(s1, GET_HIGH_REG(d));
+
+ ICONST(REG_ITMP3, s3);
+
+ switch (iptr->opc) {
+ case ICMD_LANDCONST:
+ M_IAND(REG_ITMP3, GET_HIGH_REG(d));
+ break;
+ case ICMD_LXORCONST:
+ M_IXOR(REG_ITMP3, GET_HIGH_REG(d));
+ break;
+ case ICMD_LORCONST:
+ M_IOR(REG_ITMP3, GET_HIGH_REG(d));
+ break;
+ default:
+ assert(0);
}
+
emit_store_dst(jd, iptr, d);
-#endif
- break;
+ break;
/* floating operations ************************************************/
case ICMD_FNEG: /* ..., value ==> ..., - value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_s4(cd, 0x80000000);
- M_FLTMOVE(s1, d);
- emit_movss_membase_reg(cd, RIP, -((cd->mcodeptr + 9) - cd->mcodebase) + disp, REG_FTMP2);
- emit_xorps_reg_reg(cd, REG_FTMP2, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ M_FMOVN(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DNEG: /* ..., value ==> ..., - value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_s8(cd, 0x8000000000000000);
- M_FLTMOVE(s1, d);
- emit_movd_membase_reg(cd, RIP, -((cd->mcodeptr + 9) - cd->mcodebase) + disp, REG_FTMP2);
- emit_xorpd_reg_reg(cd, REG_FTMP2, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ M_DMOVN(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_FADD: /* ..., val1, val2 ==> ..., val1 + val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
if (s2 == d)
M_FADD(s1, d);
else {
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_FADD(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DADD: /* ..., val1, val2 ==> ..., val1 + val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
if (s2 == d)
M_DADD(s1, d);
else {
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_DADD(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_FSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (s2 == d) {
- M_FLTMOVE(s2, REG_FTMP2);
- s2 = REG_FTMP2;
- }
- M_FLTMOVE(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
+
+ emit_fmove(cd, s1, d);
M_FSUB(s2, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DSUB: /* ..., val1, val2 ==> ..., val1 - val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (s2 == d) {
- M_FLTMOVE(s2, REG_FTMP2);
- s2 = REG_FTMP2;
- }
- M_FLTMOVE(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
+
+ emit_fmove(cd, s1, d);
M_DSUB(s2, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_FMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
if (s2 == d)
M_FMUL(s1, d);
else {
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_FMUL(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
if (s2 == d)
M_DMUL(s1, d);
else {
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_DMUL(s2, d);
}
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_FDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (s2 == d) {
- M_FLTMOVE(s2, REG_FTMP2);
- s2 = REG_FTMP2;
- }
- M_FLTMOVE(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
+
+ emit_fmove(cd, s1, d);
M_FDIV(s2, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (s2 == d) {
- M_FLTMOVE(s2, REG_FTMP2);
- s2 = REG_FTMP2;
- }
- M_FLTMOVE(s1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+ s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
+
+ emit_fmove(cd, s1, d);
M_DDIV(s2, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_I2F: /* ..., value ==> ..., (float) value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
M_CVTIF(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_I2D: /* ..., value ==> ..., (double) value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
M_CVTID(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
- case ICMD_L2F: /* ..., value ==> ..., (float) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_CVTLF(s1, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
-
- case ICMD_L2D: /* ..., value ==> ..., (double) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_CVTLD(s1, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
-
case ICMD_F2I: /* ..., value ==> ..., (int) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_CVTFI(s1, d);
- M_ICMP_IMM(0x80000000, d); /* corner cases */
- disp = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 +
- ((REG_RESULT == d) ? 0 : 3);
- M_BNE(disp);
- M_FLTMOVE(s1, REG_FTMP1);
- M_MOV_IMM(asm_builtin_f2i, REG_ITMP2);
- M_CALL(REG_ITMP2);
- M_INTMOVE(REG_RESULT, d);
- emit_store_dst(jd, iptr, d);
+ case ICMD_D2I:
+ {
+ u1 *ref1;
+#ifdef SUPPORT_HERCULES
+ u1 *ref2, *ref3;
#endif
- break;
- case ICMD_D2I: /* ..., value ==> ..., (int) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_CVTDI(s1, d);
- M_ICMP_IMM(0x80000000, d); /* corner cases */
- disp = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 +
- ((REG_RESULT == d) ? 0 : 3);
- M_BNE(disp);
- M_FLTMOVE(s1, REG_FTMP1);
- M_MOV_IMM(asm_builtin_d2i, REG_ITMP2);
- M_CALL(REG_ITMP2);
- M_INTMOVE(REG_RESULT, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ s1 = emit_load_s1(jd, iptr, REG_FTMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- case ICMD_F2L: /* ..., value ==> ..., (long) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_CVTFL(s1, d);
- M_MOV_IMM(0x8000000000000000, REG_ITMP2);
- M_LCMP(REG_ITMP2, d); /* corner cases */
- disp = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 +
- ((REG_RESULT == d) ? 0 : 3);
- M_BNE(disp);
- M_FLTMOVE(s1, REG_FTMP1);
- M_MOV_IMM(asm_builtin_f2l, REG_ITMP2);
- M_CALL(REG_ITMP2);
- M_INTMOVE(REG_RESULT, d);
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ /* Test if NAN */
- case ICMD_D2L: /* ..., value ==> ..., (long) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_CVTDL(s1, d);
- M_MOV_IMM(0x8000000000000000, REG_ITMP2);
- M_LCMP(REG_ITMP2, d); /* corner cases */
- disp = ((s1 == REG_FTMP1) ? 0 : 5) + 10 + 3 +
- ((REG_RESULT == d) ? 0 : 3);
- M_BNE(disp);
- M_FLTMOVE(s1, REG_FTMP1);
- M_MOV_IMM(asm_builtin_d2l, REG_ITMP2);
- M_CALL(REG_ITMP2);
- M_INTMOVE(REG_RESULT, d);
- emit_store_dst(jd, iptr, d);
+ switch (iptr->opc) {
+ case ICMD_F2I:
+ N_LTEBR(s1, s1);
+ break;
+ case ICMD_D2I:
+ N_LTDBR(s1, s1);
+ break;
+ }
+
+ N_BRC(DD_0 | DD_1 | DD_2, SZ_BRC + SZ_LHI + SZ_BRC); /* Non a NaN */
+ N_LHI(d, 0); /* Load 0 */
+ ref1 = cd->mcodeptr;
+ N_BRC(DD_ANY, 0); /* Exit */
+
+ /* Convert */
+
+ switch (iptr->opc) {
+ case ICMD_F2I:
+ M_CVTFI(s1, d);
+ break;
+ case ICMD_D2I:
+ M_CVTDI(s1, d);
+ break;
+ }
+
+#ifdef SUPPORT_HERCULES
+ /* Hercules does the conversion using a plain C conversion.
+ * According to manual, real hardware should *NOT* require this.
+ *
+ * Corner case: Positive float leads to INT_MIN (overflow).
+ */
+
+ switch (iptr->opc) {
+ case ICMD_F2I:
+ N_LTEBR(s1, s1);
+ break;
+ case ICMD_D2I:
+ N_LTDBR(s1, s1);
+ break;
+ }
+
+ ref2 = cd->mcodeptr;
+ N_BRC(DD_0 | DD_1 | DD_3, 0); /* If operand is positive, continue */
+
+ M_TEST(d);
+
+ ref3 = cd->mcodeptr;
+ M_BGE(0); /* If integer result is negative, continue */
+
+ disp = dseg_add_s4(cd, 0x7fffffff); /* Load INT_MAX */
+ M_ILD_DSEG(d, disp);
+#endif
+ N_BRC_BACK_PATCH(ref1);
+#ifdef SUPPORT_HERCULES
+ N_BRC_BACK_PATCH(ref2);
+ N_BRC_BACK_PATCH(ref3);
#endif
+ emit_store_dst(jd, iptr, d);
+ }
break;
case ICMD_F2D: /* ..., value ==> ..., (double) value */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- M_CVTFD(s1, d);
- emit_store_dst(jd, iptr, d);
+ {
+#ifdef SUPPORT_HERCULES
+ u1 *ref;
#endif
+ s1 = emit_load_s1(jd, iptr, REG_FTMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
+#ifdef SUPPORT_HERCULES
+ N_LTEBR(s1, s1);
+ ref = cd->mcodeptr;
+ N_BRC(DD_0 | DD_1 | DD_2, 0); /* Non a NaN */
+ disp = dseg_add_double(cd, 0.0 / 0.0);
+ M_DLD_DSEG(d, disp, REG_ITMP1);
+ emit_label_br(cd, BRANCH_LABEL_1);
+ N_BRC_BACK_PATCH(ref);
+#endif
+ M_CVTFD(s1, d);
+#ifdef SUPPORT_HERCULES
+ emit_label(cd, BRANCH_LABEL_1);
+#endif
+ emit_store_dst(jd, iptr, d);
+ }
break;
case ICMD_D2F: /* ..., value ==> ..., (float) value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP2);
M_CVTDF(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
/* == => 0, < => 1, > => -1 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_CLR(d);
- M_MOV_IMM(1, REG_ITMP1);
- M_MOV_IMM(-1, REG_ITMP2);
- emit_ucomiss_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
- M_CMOVP(REG_ITMP2, d); /* treat unordered as GT */
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ case ICMD_DCMPL:
+
case ICMD_FCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
/* == => 0, < => 1, > => -1 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_CLR(d);
- M_MOV_IMM(1, REG_ITMP1);
- M_MOV_IMM(-1, REG_ITMP2);
- emit_ucomiss_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
- M_CMOVP(REG_ITMP1, d); /* treat unordered as LT */
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ case ICMD_DCMPG:
- case ICMD_DCMPL: /* ..., val1, val2 ==> ..., val1 fcmpl val2 */
- /* == => 0, < => 1, > => -1 */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_CLR(d);
- M_MOV_IMM(1, REG_ITMP1);
- M_MOV_IMM(-1, REG_ITMP2);
- emit_ucomisd_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
- M_CMOVP(REG_ITMP2, d); /* treat unordered as GT */
- emit_store_dst(jd, iptr, d);
-#endif
- break;
- case ICMD_DCMPG: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
- /* == => 0, < => 1, > => -1 */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_CLR(d);
- M_MOV_IMM(1, REG_ITMP1);
- M_MOV_IMM(-1, REG_ITMP2);
- emit_ucomisd_reg_reg(cd, s1, s2);
- M_CMOVB(REG_ITMP1, d);
- M_CMOVA(REG_ITMP2, d);
- M_CMOVP(REG_ITMP1, d); /* treat unordered as LT */
- emit_store_dst(jd, iptr, d);
-#endif
- break;
+ switch (iptr->opc) {
+ case ICMD_FCMPG:
+ case ICMD_FCMPL:
+ M_FCMP(s1, s2);
+ break;
+ case ICMD_DCMPG:
+ case ICMD_DCMPL:
+ M_DCMP(s1, s2);
+ break;
+ }
+ N_BRC( /* load 1 */
+ DD_H | (iptr->opc == ICMD_FCMPG || iptr->opc == ICMD_DCMPG ? DD_O : 0),
+ SZ_BRC + SZ_BRC + SZ_BRC
+ );
- /* memory operations **************************************************/
+ N_BRC( /* load -1 */
+ DD_L | (iptr->opc == ICMD_FCMPL || iptr->opc == ICMD_DCMPL ? DD_O : 0),
+ SZ_BRC + SZ_BRC + SZ_LHI + SZ_BRC
+ );
+
+ N_BRC( /* load 0 */
+ DD_E,
+ SZ_BRC + SZ_LHI + SZ_BRC + SZ_LHI + SZ_BRC
+ );
+
+ N_LHI(d, 1); /* GT */
+ M_BR(SZ_BRC + SZ_LHI + SZ_BRC + SZ_LHI);
+ N_LHI(d, -1); /* LT */
+ M_BR(SZ_BRC + SZ_LHI);
+ N_LHI(d, 0); /* EQ */
- case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., (int) length */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- gen_nullptr_check(s1);
- M_ILD(d, s1, OFFSET(java_arrayheader, size));
emit_store_dst(jd, iptr, d);
-#endif
+
break;
+
+ /* memory operations **************************************************/
+
case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movsbq_memindex_reg(cd, OFFSET(java_bytearray, data[0]), s1, s2, 0, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ N_IC(d, OFFSET(java_bytearray_t, data[0]), s2, s1);
+
+ M_SLL_IMM(24, d);
+ M_SRA_IMM(24, d);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movzwq_memindex_reg(cd, OFFSET(java_chararray, data[0]), s1, s2, 1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(1, REG_ITMP2);
+
+ N_LH(d, OFFSET(java_chararray_t, data[0]), REG_ITMP2, s1);
+
+ /* N_LH does sign extends, undo ! */
+
+ M_SLL_IMM(16, d);
+ M_SRL_IMM(16, d);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movswq_memindex_reg(cd, OFFSET(java_shortarray, data[0]), s1, s2, 1, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(1, REG_ITMP2);
+
+ N_LH(d, OFFSET(java_shortarray_t, data[0]), REG_ITMP2, s1);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movl_memindex_reg(cd, OFFSET(java_intarray, data[0]), s1, s2, 2, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(2, REG_ITMP2); /* scale index by 4 */
+ N_L(d, OFFSET(java_intarray_t, data[0]), REG_ITMP2, s1);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_mov_memindex_reg(cd, OFFSET(java_longarray, data[0]), s1, s2, 3, d);
+
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP13_PACKED);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(3, REG_ITMP2); /* scale index by 8 */
+
+ N_L(
+ GET_LOW_REG(d) /* maybe itmp3 */,
+ OFFSET(java_longarray_t, data[0]) + 4,
+ REG_ITMP2, s1 /* maybe itmp1 */
+ );
+
+ N_L(
+ GET_HIGH_REG(d) /* maybe itmp1 */,
+ OFFSET(java_longarray_t, data[0]),
+ REG_ITMP2, s1 /* maybe itmp1 */
+ );
+
emit_store_dst(jd, iptr, d);
-#endif
+
break;
case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movss_memindex_reg(cd, OFFSET(java_floatarray, data[0]), s1, s2, 2, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(2, REG_ITMP2); /* scale index by 4 */
+
+ N_LE(d, OFFSET(java_floatarray_t, data[0]), REG_ITMP2, s1);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movsd_memindex_reg(cd, OFFSET(java_doublearray, data[0]), s1, s2, 3, d);
+ d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(3, REG_ITMP2); /* scale index by 8 */
+
+ N_LD(d, OFFSET(java_doublearray_t, data[0]), REG_ITMP2, s1);
+
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- emit_array_checks(cd, iptr, s1, s2);
- M_SAADDQ(s2, s1, REG_ITMP1);
- M_ALD(d, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(2, REG_ITMP2); /* scale index by 4 */
+ N_L(d, OFFSET(java_objectarray_t, data[0]), REG_ITMP2, s1);
emit_store_dst(jd, iptr, d);
break;
case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movb_reg_memindex(cd, s3, OFFSET(java_bytearray, data[0]), s1, s2, 0);
-#endif
+
+ N_STC(s3, OFFSET(java_bytearray_t, data[0]), s2, s1);
break;
case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movw_reg_memindex(cd, s3, OFFSET(java_chararray, data[0]), s1, s2, 1);
-#endif
+
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(1, REG_ITMP2);
+
+ N_STH(s3, OFFSET(java_chararray_t, data[0]), REG_ITMP2, s1);
+
break;
case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movw_reg_memindex(cd, s3, OFFSET(java_shortarray, data[0]), s1, s2, 1);
-#endif
- break;
- case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_movl_reg_memindex(cd, s3, OFFSET(java_intarray, data[0]), s1, s2, 2);
-#endif
- break;
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(1, REG_ITMP2);
- case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_mov_reg_memindex(cd, s3, OFFSET(java_longarray, data[0]), s1, s2, 3);
-#endif
+ N_STH(s3, OFFSET(java_shortarray_t, data[0]), REG_ITMP2, s1);
break;
- case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- s3 = emit_load_s3(jd, iptr, REG_FTMP3);
- emit_movss_reg_memindex(cd, s3, OFFSET(java_floatarray, data[0]), s1, s2, 2);
-#endif
- break;
+ case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
- case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- s3 = emit_load_s3(jd, iptr, REG_FTMP3);
- emit_movsd_reg_memindex(cd, s3, OFFSET(java_doublearray, data[0]), s1, s2, 3);
-#endif
- break;
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
- case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- M_MOV(s1, REG_A0);
- M_MOV(s3, REG_A1);
- M_MOV_IMM(BUILTIN_canstore, REG_ITMP1);
- M_CALL(REG_ITMP1);
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_arraystoreexception_ref(cd);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(2, REG_ITMP2);
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- emit_mov_reg_memindex(cd, s3, OFFSET(java_objectarray, data[0]), s1, s2, 3);
-#endif
+ N_ST(s3, OFFSET(java_intarray_t, data[0]), REG_ITMP2, s1);
break;
+ case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
- case ICMD_BASTORECONST: /* ..., arrayref, index ==> ... */
- OOPS();
-#if 0
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movb_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_bytearray, data[0]), s1, s2, 0);
-#endif
- break;
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
- case ICMD_CASTORECONST: /* ..., arrayref, index ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_chararray, data[0]), s1, s2, 1);
-#endif
- break;
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(3, REG_ITMP2);
- case ICMD_SASTORECONST: /* ..., arrayref, index ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_shortarray, data[0]), s1, s2, 1);
-#endif
+ s3 = emit_load_s3_high(jd, iptr, REG_ITMP3);
+ N_ST(s3, OFFSET(java_longarray_t, data[0]), REG_ITMP2, s1);
+ s3 = emit_load_s3_low(jd, iptr, REG_ITMP3);
+ N_ST(s3, OFFSET(java_longarray_t, data[0]) + 4, REG_ITMP2, s1);
break;
- case ICMD_IASTORECONST: /* ..., arrayref, index ==> ... */
- OOPS();
-#if 0
+ case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_movl_imm_memindex(cd, iptr->sx.s23.s3.constval, OFFSET(java_intarray, data[0]), s1, s2, 2);
-#endif
- break;
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_FTMP1);
- case ICMD_LASTORECONST: /* ..., arrayref, index ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(2, REG_ITMP2);
- if (IS_IMM32(iptr->sx.s23.s3.constval)) {
- emit_mov_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3);
- } else {
- emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff), OFFSET(java_longarray, data[0]), s1, s2, 3);
- emit_movl_imm_memindex(cd, (u4) (iptr->sx.s23.s3.constval >> 32), OFFSET(java_longarray, data[0]) + 4, s1, s2, 3);
- }
-#endif
+ N_STE(s3, OFFSET(java_floatarray_t, data[0]), REG_ITMP2, s1);
break;
- case ICMD_AASTORECONST: /* ..., arrayref, index ==> ... */
- OOPS();
-#if 0
+ case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- emit_mov_imm_memindex(cd, 0, OFFSET(java_objectarray, data[0]), s1, s2, 3);
-#endif
- break;
-
-
- case ICMD_GETSTATIC: /* ... ==> ..., value */
-
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
-
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
-
-/* PROFILE_CYCLE_START; */
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- PROFILE_CYCLE_STOP;
-
- codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
-
- PROFILE_CYCLE_START;
- }
- }
-
- M_ALD(REG_ITMP1, REG_PV, disp);
-
- switch (fieldtype) {
- case TYPE_INT:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ILD(d, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- M_LLD(d, REG_ITMP1, 0);
- break;
- case TYPE_ADR:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ALD(d, REG_ITMP1, 0);
- break;
- case TYPE_FLT:
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD(d, REG_ITMP1, 0);
- break;
- case TYPE_DBL:
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD(d, REG_ITMP1, 0);
- break;
- }
-
- emit_store_dst(jd, iptr, d);
-
- break;
-
- case ICMD_PUTSTATIC: /* ..., value ==> ... */
- OOPS();
-#if 0
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
-
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
-
-/* PROFILE_CYCLE_START; */
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- PROFILE_CYCLE_STOP;
-
- codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_FTMP1);
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(3, REG_ITMP2);
- PROFILE_CYCLE_START;
- }
- }
-
- /* This approach is much faster than moving the field
- address inline into a register. */
-
- M_ALD(REG_ITMP1, RIP, disp);
-
- switch (fieldtype) {
- case TYPE_INT:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_IST(s1, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- case TYPE_ADR:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_LST(s1, REG_ITMP1, 0);
- break;
- case TYPE_FLT:
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- M_FST(s1, REG_ITMP1, 0);
- break;
- case TYPE_DBL:
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- M_DST(s1, REG_ITMP1, 0);
- break;
- }
-#endif
+ N_STD(s3, OFFSET(java_doublearray_t, data[0]), REG_ITMP2, s1);
break;
- case ICMD_PUTSTATICCONST: /* ... ==> ... */
- /* val = value (in current instruction) */
- /* following NOP) */
- OOPS();
-#if 0
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
-
-
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_get_putstatic, uf, disp);
-
-/* PROFILE_CYCLE_START; */
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = dseg_add_address(cd, &(fi->value));
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
+ case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- PROFILE_CYCLE_STOP;
+ s1 = emit_load_s1(jd, iptr, REG_A0);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ /* implicit null-pointer check */
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_A1);
- codegen_add_patch_ref(cd, PATCHER_clinit, fi->class, 0);
+ M_INTMOVE(s1, REG_A0);
+ M_INTMOVE(s3, REG_A1);
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
+ disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_ASUB_IMM(96, REG_SP);
+ M_JSR(REG_RA, REG_ITMP2);
+ M_AADD_IMM(96, REG_SP);
- PROFILE_CYCLE_START;
- }
- }
+ emit_arraystore_check(cd, iptr);
- /* This approach is much faster than moving the field
- address inline into a register. */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- M_ALD(REG_ITMP1, RIP, disp);
+ M_INTMOVE(s2, REG_ITMP2);
+ M_SLL_IMM(2, REG_ITMP2);
+ N_ST(s3, OFFSET(java_objectarray_t, data[0]), REG_ITMP2, s1);
- switch (fieldtype) {
- case TYPE_INT:
- case TYPE_FLT:
- M_IST_IMM(iptr->sx.s23.s2.constval, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- case TYPE_ADR:
- case TYPE_DBL:
- if (IS_IMM32(iptr->sx.s23.s2.constval))
- M_LST_IMM32(iptr->sx.s23.s2.constval, REG_ITMP1, 0);
- else {
- M_IST_IMM(iptr->sx.s23.s2.constval, REG_ITMP1, 0);
- M_IST_IMM(iptr->sx.s23.s2.constval >> 32, REG_ITMP1, 4);
- }
- break;
- }
-#endif
+ /*
+ M_SAADDQ(s2, s1, REG_ITMP1); itmp1 := 4 * s2 + s1
+ M_AST(s3, REG_ITMP1, OFFSET(java_objectarray, data[0]));
+ */
break;
case ICMD_GETFIELD: /* ... ==> ..., value */
- OOPS();
-#if 0
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
+ emit_nullpointer_check(cd, iptr, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
disp = 0;
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
-
-/* PROFILE_CYCLE_START; */
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
}
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
switch (fieldtype) {
case TYPE_INT:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_ILD32(d, s1, disp);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_ILD(d, s1, disp);
break;
case TYPE_LNG:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP23_PACKED);
+ if (GET_HIGH_REG(d) == s1) {
+ M_ILD(GET_LOW_REG(d), s1, disp + 4);
+ M_ILD(GET_HIGH_REG(d), s1, disp);
+ }
+ else {
+ M_ILD(GET_LOW_REG(d), s1, disp + 4);
+ M_ILD(GET_HIGH_REG(d), s1, disp);
+ }
+ break;
case TYPE_ADR:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- M_LLD32(d, s1, disp);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_ALD(d, s1, disp);
break;
case TYPE_FLT:
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD32(d, s1, disp);
+ M_FLD(d, s1, disp);
break;
case TYPE_DBL:
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD32(d, s1, disp);
- break;
- }
- emit_store_dst(jd, iptr, d);
-#endif
- break;
-
- case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
-
- s2 = emit_load_s2(jd, iptr, REG_IFTMP);
-
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = 0;
-
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_get_putfield, uf, 0);
-
-/* PROFILE_CYCLE_START; */
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = fi->offset;
- }
-
- switch (fieldtype) {
- case TYPE_INT:
- M_IST32(s2, s1, disp);
- break;
- case TYPE_LNG:
- case TYPE_ADR:
- M_LST32(s2, s1, disp);
- break;
- case TYPE_FLT:
- M_FST32(s2, s1, disp);
- break;
- case TYPE_DBL:
- M_DST32(s2, s1, disp);
- break;
- }
-#endif
- break;
-
- case ICMD_PUTFIELDCONST: /* ..., objectref, value ==> ... */
- /* val = value (in current instruction) */
- /* following NOP) */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
-
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = 0;
-
-/* PROFILE_CYCLE_STOP; */
-
- codegen_add_patch_ref(cd, PATCHER_putfieldconst, uf, 0);
-
-/* PROFILE_CYCLE_START; */
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = fi->offset;
- }
-
- switch (fieldtype) {
- case TYPE_INT:
- case TYPE_FLT:
- M_IST32_IMM(iptr->sx.s23.s2.constval, s1, disp);
- break;
- case TYPE_LNG:
- case TYPE_ADR:
- case TYPE_DBL:
- /* XXX why no check for IS_IMM32? */
- M_IST32_IMM(iptr->sx.s23.s2.constval, s1, disp);
- M_IST32_IMM(iptr->sx.s23.s2.constval >> 32, s1, disp + 4);
+ M_DLD(d, s1, disp);
break;
}
-#endif
- break;
-
-
- /* branch operations **************************************************/
-
- case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, REG_ITMP1_XPTR);
-
- PROFILE_CYCLE_STOP;
-
-#ifdef ENABLE_VERIFIER
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uc = iptr->sx.s23.s2.uc;
-
- codegen_add_patch_ref(cd, PATCHER_athrow_areturn, uc, 0);
- }
-#endif /* ENABLE_VERIFIER */
-
- M_CALL_IMM(0); /* passing exception pc */
- M_POP(REG_ITMP2_XPC);
-
- M_MOV_IMM(asm_handle_exception, REG_ITMP3);
- M_JMP(REG_ITMP3);
-#endif
- break;
-
- case ICMD_GOTO: /* ... ==> ... */
- case ICMD_RET: /* ... ==> ... */
- OOPS();
-#if 0
- M_JMP_IMM(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_JSR: /* ... ==> ... */
- OOPS();
-#if 0
- M_JMP_IMM(0);
- codegen_add_branch_ref(cd, iptr->sx.s23.s3.jsrtarget.block);
-#endif
- break;
-
- case ICMD_IFNULL: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFNONNULL: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFEQ: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFLT: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFLE: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFNE: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFGT: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IFGE: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_ICMP_IMM(iptr->sx.val.i, s1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LEQ: /* ..., value ==> ... */
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LLT: /* ..., value ==> ... */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LLE: /* ..., value ==> ... */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LNE: /* ..., value ==> ... */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LGT: /* ..., value ==> ... */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LGE: /* ..., value ==> ... */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (IS_IMM32(iptr->sx.val.l))
- M_LCMP_IMM(iptr->sx.val.l, s1);
- else {
- M_MOV_IMM(iptr->sx.val.l, REG_ITMP2);
- M_LCMP(REG_ITMP2, s1);
- }
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
-
- case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
- OOPS();
-#if 0
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
+ emit_store_dst(jd, iptr, d);
break;
- case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
- OOPS();
-#if 0
+ case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
+ {
+ u1 *ref;
+ patchref_t *pr;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ emit_nullpointer_check(cd, iptr, s1);
- case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */
- OOPS();
-#if 0
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ uf = iptr->sx.s23.s3.uf;
+ fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
+ fieldtype = fi->type;
+ disp = fi->offset;
+ }
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BNE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ /* We can't add a patcher ref behind this load,
+ * because the patcher would destroy REG_ITMP3.
+ *
+ * We pass in the disp parameter, how many bytes
+ * to skip to the to the actual store.
+ *
+ * XXX this relies on patcher_add_patch_ref internals
+ */
- case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
- OOPS();
-#if 0
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ pr = patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
+ ref = cd->mcodeptr;
+ }
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
- case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
- OOPS();
-#if 0
+ if (IS_INT_LNG_TYPE(fieldtype)) {
+ if (IS_2_WORD_TYPE(fieldtype))
+ s2 = emit_load_s2(jd, iptr, REG_ITMP23_PACKED);
+ else
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ } else {
+ s2 = emit_load_s2(jd, iptr, REG_FTMP2);
+ }
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BLT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ pr->disp = (cd->mcodeptr - ref);
+ }
- case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
- OOPS();
-#if 0
+ switch (fieldtype) {
+ case TYPE_INT:
+ M_IST(s2, s1, disp);
+ break;
+ case TYPE_LNG:
+ M_IST(GET_LOW_REG(s2), s1, disp + 4); /* keep this order */
+ M_IST(GET_HIGH_REG(s2), s1, disp); /* keep this order */
+ break;
+ case TYPE_ADR:
+ M_AST(s2, s1, disp);
+ break;
+ case TYPE_FLT:
+ M_FST(s2, s1, disp);
+ break;
+ case TYPE_DBL:
+ M_DST(s2, s1, disp);
+ break;
+ }
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
+ }
break;
- case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
+ /* branch operations **************************************************/
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BGT(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
- case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
+ disp = dseg_add_functionptr(cd, asm_handle_exception);
+ M_ALD_DSEG(REG_ITMP1, disp);
+ M_JMP(REG_ITMP2_XPC, REG_ITMP1);
+ M_NOP;
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
break;
- case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
+ case ICMD_IF_LLT: /* ..., value ==> ... */
+ case ICMD_IF_LLE: /* op1 = target JavaVM pc, val.l = constant */
+ case ICMD_IF_LGT:
+ case ICMD_IF_LGE:
+ case ICMD_IF_LEQ:
+ case ICMD_IF_LNE:
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BLE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ /* ATTENTION: compare high words signed and low words unsigned */
- case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
+# define LABEL_OUT BRANCH_LABEL_1
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_ICMP(s2, s1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
- case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
+ if (N_VALID_IMM(iptr->sx.val.l >> 32))
+ M_ICMP_IMM(s1, iptr->sx.val.l >> 32);
+ else {
+ disp = dseg_add_s4(cd, iptr->sx.val.l >> 32);
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_C(s1, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ ICONST(REG_ITMP2, disp);
+ N_C(s1, -N_PV_OFFSET, REG_ITMP2, REG_PV);
+ }
+ }
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_LCMP(s2, s1);
- M_BGE(0);
- codegen_add_branch_ref(cd, iptr->dst.block);
-#endif
- break;
+ switch(iptr->opc) {
+ case ICMD_IF_LLT:
+ case ICMD_IF_LLE:
+ emit_blt(cd, iptr->dst.block);
+ /* EQ ... fall through */
+ emit_label_bgt(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LGT:
+ case ICMD_IF_LGE:
+ emit_bgt(cd, iptr->dst.block);
+ /* EQ ... fall through */
+ emit_label_blt(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LEQ:
+ /* EQ ... fall through */
+ emit_label_bne(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LNE:
+ /* EQ ... fall through */
+ emit_bne(cd, iptr->dst.block);
+ break;
+ default:
+ assert(0);
+ }
- case ICMD_IRETURN: /* ..., retvalue ==> ... */
- case ICMD_LRETURN:
+ s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_RESULT);
- M_INTMOVE(s1, REG_RESULT);
-#endif
- goto nowperformreturn;
+ disp = dseg_add_s4(cd, (s4)(iptr->sx.val.l & 0xffffffff));
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_CL(s1, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ ICONST(REG_ITMP2, disp);
+ N_CL(s1, -N_PV_OFFSET, REG_ITMP2, REG_PV);
+ }
- case ICMD_ARETURN: /* ..., retvalue ==> ... */
+ switch(iptr->opc) {
+ case ICMD_IF_LLT:
+ emit_blt(cd, iptr->dst.block);
+ emit_label(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LLE:
+ emit_ble(cd, iptr->dst.block);
+ emit_label(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LGT:
+ emit_bgt(cd, iptr->dst.block);
+ emit_label(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LGE:
+ emit_bge(cd, iptr->dst.block);
+ emit_label(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LEQ:
+ emit_beq(cd, iptr->dst.block);
+ emit_label(cd, LABEL_OUT);
+ break;
+ case ICMD_IF_LNE:
+ emit_bne(cd, iptr->dst.block);
+ break;
+ default:
+ assert(0);
+ }
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_RESULT);
- M_INTMOVE(s1, REG_RESULT);
+# undef LABEL_OUT
+ break;
-#ifdef ENABLE_VERIFIER
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uc = iptr->sx.s23.s2.uc;
+ case ICMD_IF_ACMPEQ: /* ..., value, value ==> ... */
+ case ICMD_IF_ACMPNE: /* op1 = target JavaVM pc */
- PROFILE_CYCLE_STOP;
+ /* Compare addresses as 31 bit unsigned integers */
- codegen_add_patch_ref(cd, PATCHER_athrow_areturn, uc, 0);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ M_LDA(REG_ITMP1, s1, 0);
- PROFILE_CYCLE_START;
- }
-#endif /* ENABLE_VERIFIER */
-#endif
- goto nowperformreturn;
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ M_LDA(REG_ITMP2, s2, 0);
- case ICMD_FRETURN: /* ..., retvalue ==> ... */
- case ICMD_DRETURN:
+ M_CMP(REG_ITMP1, REG_ITMP2);
- OOPS();
-#if 0
- s1 = emit_load_s1(jd, iptr, REG_FRESULT);
- M_FLTMOVE(s1, REG_FRESULT);
-#endif
- goto nowperformreturn;
+ switch (iptr->opc) {
+ case ICMD_IF_ACMPEQ:
+ emit_beq(cd, iptr->dst.block);
+ break;
+ case ICMD_IF_ACMPNE:
+ emit_bne(cd, iptr->dst.block);
+ break;
+ }
- case ICMD_RETURN: /* ... ==> ... */
+ break;
-nowperformreturn:
- OOPS();
-#if 0
+ case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPGE: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPNE: /* ..., value, value ==> ... */
+ case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
{
- s4 i, p;
- p = cd->stackframesize;
+ u1 *out_ref = NULL;
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
-#endif /* !defined(NDEBUG) */
-
-#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- M_ALD(REG_A0, REG_SP, rd->memuse * 8);
+ /* ATTENTION: compare high words signed and low words unsigned */
- /* we need to save the proper return value */
- switch (iptr->opc) {
- case ICMD_IRETURN:
- case ICMD_ARETURN:
- case ICMD_LRETURN:
- M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
+ s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
+
+ M_ICMP(s1, s2);
+
+ switch(iptr->opc) {
+ case ICMD_IF_LCMPLT:
+ case ICMD_IF_LCMPLE:
+ emit_blt(cd, iptr->dst.block);
+ /* EQ ... fall through */
+ out_ref = cd->mcodeptr;
+ M_BGT(0);
break;
- case ICMD_FRETURN:
- case ICMD_DRETURN:
- M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
+ case ICMD_IF_LCMPGT:
+ case ICMD_IF_LCMPGE:
+ emit_bgt(cd, iptr->dst.block);
+ /* EQ ... fall through */
+ out_ref = cd->mcodeptr;
+ M_BLT(0);
break;
+ case ICMD_IF_LCMPEQ:
+ /* EQ ... fall through */
+ out_ref = cd->mcodeptr;
+ M_BNE(0);
+ break;
+ case ICMD_IF_LCMPNE:
+ /* EQ ... fall through */
+ emit_bne(cd, iptr->dst.block);
+ break;
+ default:
+ assert(0);
}
- M_MOV_IMM(LOCK_monitor_exit, REG_ITMP1);
- M_CALL(REG_ITMP1);
+ s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
+
+ M_ICMPU(s1, s2);
- /* and now restore the proper return value */
- switch (iptr->opc) {
- case ICMD_IRETURN:
- case ICMD_ARETURN:
- case ICMD_LRETURN:
- M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
+ switch(iptr->opc) {
+ case ICMD_IF_LCMPLT:
+ emit_blt(cd, iptr->dst.block);
break;
- case ICMD_FRETURN:
- case ICMD_DRETURN:
- M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
+ case ICMD_IF_LCMPLE:
+ emit_ble(cd, iptr->dst.block);
break;
+ case ICMD_IF_LCMPGT:
+ emit_bgt(cd, iptr->dst.block);
+ break;
+ case ICMD_IF_LCMPGE:
+ emit_bge(cd, iptr->dst.block);
+ break;
+ case ICMD_IF_LCMPEQ:
+ emit_beq(cd, iptr->dst.block);
+ break;
+ case ICMD_IF_LCMPNE:
+ emit_bne(cd, iptr->dst.block);
+ break;
+ default:
+ assert(0);
}
- }
-#endif
-
- /* restore saved registers */
-
- for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
- }
- for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
- p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
- }
-
- /* deallocate stack */
-
- if (cd->stackframesize)
- M_AADD_IMM(cd->stackframesize * 8, REG_SP);
- /* generate method profiling code */
-
- PROFILE_CYCLE_STOP;
+ if (out_ref != NULL) {
+ N_BRC_BACK_PATCH(out_ref);
+ }
- M_RET;
}
-#endif
break;
-
case ICMD_TABLESWITCH: /* ..., index ==> ... */
- OOPS();
-#if 0
{
s4 i, l;
branch_target_t *table;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_INTMOVE(s1, REG_ITMP1);
- if (l != 0)
+ if (l == 0) {
+ /* do nothing */
+ } else if (N_VALID_IMM(-l)) {
M_ISUB_IMM(l, REG_ITMP1);
+ } else {
+ ICONST(REG_ITMP2, l);
+ M_ISUB(REG_ITMP2, REG_ITMP1);
+ }
/* number of targets */
+
i = i - l + 1;
- /* range check */
- M_ICMP_IMM(i - 1, REG_ITMP1);
- M_BA(0);
+ /* range check */
- codegen_add_branch_ref(cd, table[0].block); /* default target */
+ ICONST(REG_ITMP2, i);
+ M_ICMPU(REG_ITMP1, REG_ITMP2);
+ emit_bge(cd, table[0].block);
/* build jump table top down and use address of lowest entry */
table += i;
while (--i >= 0) {
- dseg_add_target(cd, table->block);
+ dseg_add_target(cd, table->block);
--table;
}
-
- /* length of dataseg after last dseg_add_target is used
- by load */
-
- M_MOV_IMM(0, REG_ITMP2);
- dseg_adddata(cd);
- emit_mov_memindex_reg(cd, -(cd->dseglen), REG_ITMP2, REG_ITMP1, 3, REG_ITMP1);
- M_JMP(REG_ITMP1);
}
-#endif
- break;
-
- case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
- OOPS();
-#if 0
- {
- s4 i;
- lookup_target_t *lookup;
+ /* length of dataseg after last dseg_add_target is used by load */
- lookup = iptr->dst.lookup;
+ M_SLL_IMM(2, REG_ITMP1); /* scale by 4 */
+ M_ASUB_IMM(cd->dseglen, REG_ITMP1);
+ N_L(REG_ITMP1, -N_PV_OFFSET, REG_ITMP1, REG_PV);
+ M_JMP(RN, REG_ITMP1);
- i = iptr->sx.s23.s2.lookupcount;
-
- MCODECHECK(8 + ((7 + 6) * i) + 5);
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ break;
- while (--i >= 0) {
- M_ICMP_IMM(lookup->value, s1);
- M_BEQ(0);
- codegen_add_branch_ref(cd, lookup->target.block);
- lookup++;
- }
- M_JMP_IMM(0);
-
- codegen_add_branch_ref(cd, iptr->sx.s23.s3.lookupdefault.block);
+ case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ bte = iptr->sx.s23.s3.bte;
+ if (bte->stub == NULL) {
+ disp = dseg_add_functionptr(cd, bte->fp);
+ M_ASUB_IMM(96, REG_SP); /* register save area as required by C abi */
+ } else {
+ disp = dseg_add_functionptr(cd, bte->stub);
}
-#endif
- break;
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_L(REG_PV, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ N_LHI(REG_ITMP1, disp);
+ N_L(REG_PV, -N_PV_OFFSET, REG_ITMP1, REG_PV);
+ }
- case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
- OOPS();
-#if 0
+ /* generate the actual call */
+ M_CALL(REG_PV);
- bte = iptr->sx.s23.s3.bte;
- md = bte->md;
-#endif
- goto gen_method;
+ /* post call finalization */
+ if (bte->stub == NULL) {
+ M_AADD_IMM(96, REG_SP); /* remove C abi register save area */
+ }
+ break;
- case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
- case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
- case ICMD_INVOKEINTERFACE:
- OOPS();
-#if 0
+ /* TODO softnull */
+ /* Implicit NULL pointer check */
+ M_ILD(REG_ITMP1, REG_A0, 0);
+ /* fall through */
+ case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- lm = NULL;
um = iptr->sx.s23.s3.um;
- md = um->methodref->parseddesc.md;
+ disp = dseg_add_unique_address(cd, um);
+
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
+ um, disp);
}
else {
lm = iptr->sx.s23.s3.fmiref->p.method;
- um = NULL;
- md = lm->parseddesc;
+ disp = dseg_add_address(cd, lm->stubroutine);
}
-#endif
-gen_method:
-#if 0
- s3 = md->paramcount;
-
- MCODECHECK((20 * s3) + 128);
-
- /* copy arguments to registers or stack location */
-
- for (s3 = s3 - 1; s3 >= 0; s3--) {
- var = VAR(iptr->sx.s23.s2.args[s3]);
-
- /* Already Preallocated (ARGVAR) ? */
- if (var->flags & PREALLOC)
- continue;
-
- if (IS_INT_LNG_TYPE(var->type)) {
- if (!md->params[s3].inmemory) {
- s1 = rd->argintregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_INTMOVE(d, s1);
- }
- else {
- d = emit_load(jd, iptr, var, REG_ITMP1);
- M_LST(d, REG_SP, md->params[s3].regoff * 8);
- }
- }
- else {
- if (!md->params[s3].inmemory) {
- s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_FLTMOVE(d, s1);
- }
- else {
- d = emit_load(jd, iptr, var, REG_FTMP1);
- if (IS_2_WORD_TYPE(var->type))
- M_DST(d, REG_SP, md->params[s3].regoff * 8);
- else
- M_FST(d, REG_SP, md->params[s3].regoff * 8);
- }
- }
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_L(REG_PV, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ N_LHI(REG_ITMP1, disp);
+ N_L(REG_PV, -N_PV_OFFSET, REG_ITMP1, REG_PV);
}
- /* generate method profiling code */
-
- PROFILE_CYCLE_STOP;
-
- switch (iptr->opc) {
- case ICMD_BUILTIN:
- M_MOV_IMM(bte->fp, REG_ITMP1);
- M_CALL(REG_ITMP1);
-
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
- }
- break;
-
- case ICMD_INVOKESPECIAL:
- M_TEST(REG_A0);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
-
- /* fall through */
-
- case ICMD_INVOKESTATIC:
- if (lm == NULL) {
- disp = dseg_add_unique_address(cd, NULL);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
- /* must be calculated before codegen_add_patch_ref */
-
- if (opt_shownops)
- disp -= PATCHER_CALL_SIZE;
-
- codegen_add_patch_ref(cd, PATCHER_invokestatic_special,
- um, disp);
-
-/* a = 0; */
- }
- else {
- disp = dseg_add_functionptr(cd, lm->stubroutine);
- disp = -((cd->mcodeptr + 7) - cd->mcodebase) + disp;
-
-/* a = (ptrint) lm->stubroutine; */
- }
+ /* generate the actual call */
+ M_CALL(REG_PV);
+ break;
-/* M_MOV_IMM(a, REG_ITMP2); */
- M_ALD(REG_ITMP2, RIP, disp);
- M_CALL(REG_ITMP2);
- break;
+ case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
+ /* TODO softnull REG_A0 */
- case ICMD_INVOKEVIRTUAL:
- gen_nullptr_check(REG_A0);
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
- if (lm == NULL) {
- codegen_add_patch_ref(cd, PATCHER_invokevirtual, um, 0);
+ s1 = 0;
+ }
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, table[0]) +
+ sizeof(methodptr) * lm->vftblindex;
+ }
- s1 = 0;
- }
- else
- s1 = OFFSET(vftbl_t, table[0]) +
- sizeof(methodptr) * lm->vftblindex;
+ /* implicit null-pointer check */
- M_ALD(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
- M_ALD32(REG_ITMP3, REG_METHODPTR, s1);
- M_CALL(REG_ITMP3);
- break;
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_PV, REG_METHODPTR, s1);
- case ICMD_INVOKEINTERFACE:
- gen_nullptr_check(REG_A0);
+ /* generate the actual call */
+ M_CALL(REG_PV);
+ break;
- if (lm == NULL) {
- codegen_add_patch_ref(cd, PATCHER_invokeinterface, um, 0);
+ case ICMD_INVOKEINTERFACE:
+ /* TODO softnull REG_A0 */
- s1 = 0;
- s2 = 0;
- }
- else {
- s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr) * lm->class->index;
+ /* s1 will be negative here, so use (0xFFF + s1) as displacement
+ * and -0xFFF in index register (itmp1)
+ */
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
- }
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
- M_ALD(REG_METHODPTR, REG_A0,
- OFFSET(java_objectheader, vftbl));
- M_ALD32(REG_METHODPTR, REG_METHODPTR, s1);
- M_ALD32(REG_ITMP3, REG_METHODPTR, s2);
- M_CALL(REG_ITMP3);
- break;
+ s1 = 0;
+ s2 = 0;
}
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, interfacetable[0]) -
+ sizeof(methodptr*) * lm->clazz->index;
- /* generate method profiling code */
-
- PROFILE_CYCLE_START;
-
- /* store return value */
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
+ }
- d = md->returntype.type;
+ /* Implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
+ N_LHI(REG_ITMP2, s1);
+ N_L(REG_METHODPTR, 0, REG_ITMP2, REG_METHODPTR);
+ M_ALD(REG_PV, REG_METHODPTR, s2);
- if (d != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(d)) {
- s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
- M_INTMOVE(REG_RESULT, s1);
- }
- else {
- s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
- M_FLTMOVE(REG_FRESULT, s1);
- }
- emit_store_dst(jd, iptr, s1);
- }
-#endif
+ /* generate the actual call */
+ M_CALL(REG_PV);
break;
-
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
- OOPS();
-#if 0
- /* val.a: (classinfo *) superclass */
+ /* val.a: (classinfo*) superclass */
/* superclass is an interface:
*
vftbl_t *supervftbl;
s4 superindex;
+# define LABEL_EXIT_CHECK_NULL BRANCH_LABEL_1
+# define LABEL_CLASS BRANCH_LABEL_2
+# define LABEL_EXIT_INTERFACE_NULL BRANCH_LABEL_3
+# define LABEL_EXIT_INTERFACE_DONE BRANCH_LABEL_4
+# define LABEL_EXIT_CLASS_NULL BRANCH_LABEL_5
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
super = NULL;
superindex = 0;
supervftbl = NULL;
- }
- else {
- super = iptr->sx.s23.s3.c.cls;
- superindex = super->index;
- supervftbl = super->vftbl;
- }
-
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
-
- /* calculate interface checkcast code size */
-
- s2 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s2, s1, OFFSET(java_objectheader, vftbl));
-
- s2 += 3 + 4 /* movl_membase32_reg */ + 3 + 4 /* sub imm32 */ +
- 3 /* test */ + 6 /* jcc */ + 3 + 4 /* mov_membase32_reg */ +
- 3 /* test */ + 6 /* jcc */;
-
- if (super == NULL)
- s2 += (opt_shownops ? 5 : 0);
-
- /* calculate class checkcast code size */
-
- s3 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s3, s1, OFFSET(java_objectheader, vftbl));
- s3 += 10 /* mov_imm_reg */ + 3 + 4 /* movl_membase32_reg */;
-
-#if 0
- if (s1 != REG_ITMP1) {
- a += 3; /* movl_membase_reg - only if REG_ITMP3 == R11 */
- CALCOFFSETBYTES(a, REG_ITMP3, OFFSET(vftbl_t, baseval));
- a += 3; /* movl_membase_reg - only if REG_ITMP3 == R11 */
- CALCOFFSETBYTES(a, REG_ITMP3, OFFSET(vftbl_t, diffval));
- a += 3; /* sub */
-
- } else
-#endif
- {
- s3 += 3 + 4 /* movl_membase32_reg */ + 3 /* sub */ +
- 10 /* mov_imm_reg */ + 3 /* movl_membase_reg */;
- CALCOFFSETBYTES(s3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- }
-
- s3 += 3 /* cmp */ + 6 /* jcc */;
+ }
+ else {
+ super = iptr->sx.s23.s3.c.cls;
+ superindex = super->index;
+ supervftbl = super->vftbl;
+ }
- if (super == NULL)
- s3 += (opt_shownops ? 5 : 0);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TEST(s1);
- M_BEQ(6 + (opt_shownops ? 5 : 0) + 7 + 6 + s2 + 5 + s3);
+ emit_label_beq(cd, LABEL_EXIT_CHECK_NULL);
- codegen_add_patch_ref(cd, PATCHER_checkcast_instanceof_flags,
- iptr->sx.s23.s3.c.ref, 0);
+ disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- M_IMOV_IMM(0, REG_ITMP2); /* super->flags */
- M_IAND_IMM(ACC_INTERFACE, REG_ITMP2);
- M_BEQ(s2 + 5);
- }
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
+ iptr->sx.s23.s3.c.ref,
+ disp);
- /* interface checkcast code */
+ ICONST(REG_ITMP3, ACC_INTERFACE);
- if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
- if (super != NULL) {
- M_TEST(s1);
- M_BEQ(s2);
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_N(REG_ITMP3, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ ICONST(REG_ITMP2, disp);
+ N_N(REG_ITMP3, -N_PV_OFFSET, REG_ITMP2, REG_PV);
}
+ emit_label_beq(cd, LABEL_CLASS);
+ }
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ /* interface checkcast code */
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super == NULL) {
- codegen_add_patch_ref(cd,
+ patcher_add_patch_ref(jd,
PATCHER_checkcast_instanceof_interface,
iptr->sx.s23.s3.c.ref,
0);
+ } else {
+ M_TEST(s1);
+ emit_label_beq(cd, LABEL_EXIT_INTERFACE_NULL);
}
- emit_movl_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, interfacetablelength),
- REG_ITMP3);
- /* XXX TWISTI: should this be int arithmetic? */
- M_LSUB_IMM32(superindex, REG_ITMP3);
- M_TEST(REG_ITMP3);
- M_BLE(0);
- codegen_add_classcastexception_ref(cd, s1);
- emit_mov_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*),
- REG_ITMP3);
- M_TEST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
-
- if (super == NULL)
- M_JMP_IMM(s3);
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
+ M_ISUB_IMM(superindex, REG_ITMP3);
+ emit_classcast_check(cd, iptr, BRANCH_LE, RN, s1);
+ N_AHI(
+ REG_ITMP2,
+ (s4) (OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*))
+ );
+ M_ALD(REG_ITMP2, REG_ITMP2, 0);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP2, s1);
+
+ if (super == NULL) {
+ emit_label_br(cd, LABEL_EXIT_INTERFACE_DONE);
+ }
}
/* class checkcast code */
+
+ if (super == NULL) {
+ emit_label(cd, LABEL_CLASS);
+ }
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- if (super != NULL) {
+ if (super == NULL) {
+ disp = dseg_add_unique_address(cd, NULL);
+
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_vftbl,
+ iptr->sx.s23.s3.c.ref,
+ disp);
+ }
+ else {
+ disp = dseg_add_address(cd, supervftbl);
M_TEST(s1);
- M_BEQ(s3);
+ emit_label_beq(cd, LABEL_EXIT_CLASS_NULL);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+#if 1
+ /* REG_ITMP3 := baseval(s1) */
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
- if (super == NULL) {
- codegen_add_patch_ref(cd, PATCHER_checkcast_class,
- iptr->sx.s23.s3.c.ref,
- 0);
- }
+ /* REG_ITMP2 := baseval(class) */
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
- M_MOV_IMM(supervftbl, REG_ITMP3);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- emit_movl_membase32_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, baseval),
- REG_ITMP2);
- /* if (s1 != REG_ITMP1) { */
- /* emit_movl_membase_reg(cd, REG_ITMP3, */
- /* OFFSET(vftbl_t, baseval), */
- /* REG_ITMP1); */
- /* emit_movl_membase_reg(cd, REG_ITMP3, */
- /* OFFSET(vftbl_t, diffval), */
- /* REG_ITMP3); */
- /* #if defined(ENABLE_THREADS) */
- /* codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase); */
- /* #endif */
- /* emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP1, REG_ITMP2); */
-
- /* } else { */
- emit_movl_membase32_reg(cd, REG_ITMP3,
- OFFSET(vftbl_t, baseval),
- REG_ITMP3);
- M_LSUB(REG_ITMP3, REG_ITMP2);
- M_MOV_IMM(supervftbl, REG_ITMP3);
+ /* REG_ITMP3 := REG_ITMP3 - REG_ITMP2 */
+ M_ISUB(REG_ITMP2, REG_ITMP3);
+
+ /* REG_ITMP2 := diffval(class) */
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
+
+ M_CMPU(REG_ITMP3, REG_ITMP2); /* Unsigned compare */
+
+ /* M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3); itmp3 = (itmp2 <= itmp3) */
+ /* M_BEQZ(REG_ITMP3, 0); branch if (! itmp) -> branch if > */
+ /* Branch if greater then */
+#else
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ALD_DSEG(REG_ITMP3, disp);
+
+ M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
+ M_ISUB(REG_ITMP3, REG_ITMP2);
+ M_ALD_DSEG(REG_ITMP3, disp);
M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- /* } */
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
+
+ M_CMPU(REG_ITMP2, REG_ITMP3); /* Unsigned compare */
+ /* M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3); itmp3 = (itmp2 <= itmp3) */
+ /* M_BEQZ(REG_ITMP3, 0); branch if (! itmp) -> branch if > */
+ /* Branch if greater then */
#endif
- M_LCMP(REG_ITMP3, REG_ITMP2);
- M_BA(0); /* (u) REG_ITMP1 > (u) REG_ITMP2 -> jump */
- codegen_add_classcastexception_ref(cd, s1);
+ emit_classcast_check(cd, iptr, BRANCH_GT, RN, s1);
}
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ if (super == NULL) {
+ emit_label(cd, LABEL_EXIT_CHECK_NULL);
+ emit_label(cd, LABEL_EXIT_INTERFACE_DONE);
+ } else if (super->flags & ACC_INTERFACE) {
+ emit_label(cd, LABEL_EXIT_INTERFACE_NULL);
+ } else {
+ emit_label(cd, LABEL_EXIT_CLASS_NULL);
+ }
+
+ d = codegen_reg_of_dst(jd, iptr, s1);
+
+# undef LABEL_EXIT_CHECK_NULL
+# undef LABEL_CLASS
+# undef LABEL_EXIT_INTERFACE_NULL
+# undef LABEL_EXIT_INTERFACE_DONE
+# undef LABEL_EXIT_CLASS_NULL
}
else {
/* array type cast-check */
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
M_INTMOVE(s1, REG_A0);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_add_patch_ref(cd, PATCHER_builtin_arraycheckcast,
- iptr->sx.s23.s3.c.ref, 0);
+ disp = dseg_add_unique_address(cd, NULL);
+
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_classinfo,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
+ else
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
- M_MOV_IMM(iptr->sx.s23.s3.c.cls, REG_A1);
- M_MOV_IMM(BUILTIN_arraycheckcast, REG_ITMP1);
- M_CALL(REG_ITMP1);
+ M_ALD_DSEG(REG_A1, disp);
+ disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
+ M_ALD_DSEG(REG_ITMP1, disp);
+ M_ASUB_IMM(96, REG_SP);
+ M_JSR(REG_RA, REG_ITMP1);
+ M_AADD_IMM(96, REG_SP);
- /* s1 may have been destroyed over the function call */
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, s1);
}
M_INTMOVE(s1, d);
emit_store_dst(jd, iptr, d);
-#endif
break;
case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
- OOPS();
-#if 0
-
- /* val.a: (classinfo *) superclass */
+ /* val.a: (classinfo*) superclass */
/* superclass is an interface:
*
* return ((sub != NULL) && (0
* <= (sub->vftbl->baseval - super->vftbl->baseval) <=
* super->vftbl->diffvall));
+ *
+ * If superclass is unresolved, we include both code snippets
+ * above, a patcher resolves the class' flags and we select
+ * the right code at runtime.
*/
{
supervftbl = super->vftbl;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+# define LABEL_EXIT_CHECK_NULL BRANCH_LABEL_1
+# define LABEL_CLASS BRANCH_LABEL_2
+# define LABEL_EXIT_INTERFACE_NULL BRANCH_LABEL_3
+# define LABEL_EXIT_INTERFACE_INDEX_NOT_IN_TABLE BRANCH_LABEL_4
+# define LABEL_EXIT_INTERFACE_DONE BRANCH_LABEL_5
+# define LABEL_EXIT_CLASS_NULL BRANCH_LABEL_6
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if (s1 == d) {
- M_INTMOVE(s1, REG_ITMP1);
+ M_MOV(s1, REG_ITMP1);
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s2, s1, OFFSET(java_objectheader, vftbl));
- s2 += 3 + 4 /* movl_membase32_reg */ + 3 + 4 /* sub_imm32 */ +
- 3 /* test */ + 6 /* jcc */ + 3 + 4 /* mov_membase32_reg */ +
- 3 /* test */ + 4 /* setcc */;
+ /* if class is not resolved, check which code to call */
- if (!super)
- s2 += (opt_shownops ? 5 : 0);
+ if (super == NULL) {
+ M_CLR(d);
+
+ M_TEST(s1);
+ emit_label_beq(cd, LABEL_EXIT_CHECK_NULL);
- /* calculate class instanceof code size */
-
- s3 = 3; /* mov_membase_reg */
- CALCOFFSETBYTES(s3, s1, OFFSET(java_objectheader, vftbl));
- s3 += 10; /* mov_imm_reg */
- s3 += 2; /* movl_membase_reg - only if REG_ITMP1 == RAX */
- CALCOFFSETBYTES(s3, REG_ITMP1, OFFSET(vftbl_t, baseval));
- s3 += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */
- CALCOFFSETBYTES(s3, REG_ITMP2, OFFSET(vftbl_t, baseval));
- s3 += 3; /* movl_membase_reg - only if REG_ITMP2 == R10 */
- CALCOFFSETBYTES(s3, REG_ITMP2, OFFSET(vftbl_t, diffval));
- s3 += 3 /* sub */ + 3 /* xor */ + 3 /* cmp */ + 4 /* setcc */;
-
- if (super == NULL)
- s3 += (opt_shownops ? 5 : 0);
-
- emit_alu_reg_reg(cd, ALU_XOR, d, d);
+ disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- /* if class is not resolved, check which code to call */
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
+ iptr->sx.s23.s3.c.ref, disp);
- if (super == NULL) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_Z, (6 + (opt_shownops ? 5 : 0) +
- 7 + 6 + s2 + 5 + s3));
+ ICONST(REG_ITMP3, ACC_INTERFACE);
- codegen_add_patch_ref(cd, PATCHER_checkcast_instanceof_flags,
- iptr->sx.s23.s3.c.ref, 0);
+ if (N_VALID_DSEG_DISP(disp)) {
+ N_N(REG_ITMP3, N_DSEG_DISP(disp), RN, REG_PV);
+ } else {
+ ICONST(REG_ITMP2, disp);
+ N_N(REG_ITMP3, -N_PV_OFFSET, REG_ITMP2, REG_PV);
+ }
- emit_movl_imm_reg(cd, 0, REG_ITMP3); /* super->flags */
- emit_alul_imm_reg(cd, ALU_AND, ACC_INTERFACE, REG_ITMP3);
- emit_jcc(cd, CC_Z, s2 + 5);
+ emit_label_beq(cd, LABEL_CLASS);
}
/* interface instanceof code */
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
- if (super != NULL) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_Z, s2);
- }
-
- emit_mov_membase_reg(cd, s1,
- OFFSET(java_objectheader, vftbl),
- REG_ITMP1);
-
if (super == NULL) {
- codegen_add_patch_ref(cd,
+ /* If d == REG_ITMP2, then it's destroyed in check
+ code above. */
+ if (d == REG_ITMP2)
+ M_CLR(d);
+
+ patcher_add_patch_ref(jd,
PATCHER_checkcast_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
}
+ else {
+ M_CLR(d);
+ M_TEST(s1);
+ emit_label_beq(cd, LABEL_EXIT_INTERFACE_NULL);
+ }
- emit_movl_membase32_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, interfacetablelength),
- REG_ITMP3);
- emit_alu_imm32_reg(cd, ALU_SUB, superindex, REG_ITMP3);
- emit_test_reg_reg(cd, REG_ITMP3, REG_ITMP3);
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
+ M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
+ M_ISUB_IMM(superindex, REG_ITMP3);
- a = 3 + 4 /* mov_membase32_reg */ + 3 /* test */ + 4 /* setcc */;
+ emit_label_ble(cd, LABEL_EXIT_INTERFACE_INDEX_NOT_IN_TABLE);
- emit_jcc(cd, CC_LE, a);
- emit_mov_membase32_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, interfacetable[0]) -
- superindex * sizeof(methodptr*),
- REG_ITMP1);
- emit_test_reg_reg(cd, REG_ITMP1, REG_ITMP1);
- emit_setcc_reg(cd, CC_NE, d);
+ N_AHI(
+ REG_ITMP1,
+ (s4) (OFFSET(vftbl_t, interfacetable[0]) -
+ superindex * sizeof(methodptr*))
+ );
+ M_ALD(REG_ITMP1, REG_ITMP1, 0);
+
+ /* d := (REG_ITMP1 != 0) */
+
+ N_LTR(d, REG_ITMP1);
+ M_BEQ(SZ_BRC + SZ_LHI);
+ N_LHI(d, 1);
- if (!super)
- emit_jmp_imm(cd, s3);
+ if (super == NULL) {
+ emit_label_br(cd, LABEL_EXIT_INTERFACE_DONE);
+ }
}
/* class instanceof code */
+ if (super == NULL) {
+ emit_label(cd, LABEL_CLASS);
+ }
+
if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- if (super != NULL) {
- emit_test_reg_reg(cd, s1, s1);
- emit_jcc(cd, CC_E, s3);
+ if (super == NULL) {
+ disp = dseg_add_unique_address(cd, NULL);
+
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
+ else {
+ disp = dseg_add_address(cd, supervftbl);
- emit_mov_membase_reg(cd, s1,
- OFFSET(java_objectheader, vftbl),
- REG_ITMP1);
+ M_CLR(d);
- if (super == NULL) {
- codegen_add_patch_ref(cd, PATCHER_instanceof_class,
- iptr->sx.s23.s3.c.ref, 0);
+ M_TEST(s1);
+ emit_label_beq(cd, LABEL_EXIT_CLASS_NULL);
}
- emit_mov_imm_reg(cd, (ptrint) supervftbl, REG_ITMP2);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- emit_movl_membase_reg(cd, REG_ITMP1,
- OFFSET(vftbl_t, baseval),
- REG_ITMP1);
- emit_movl_membase_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, diffval),
- REG_ITMP3);
- emit_movl_membase_reg(cd, REG_ITMP2,
- OFFSET(vftbl_t, baseval),
- REG_ITMP2);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
- emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP2, REG_ITMP1);
- emit_alu_reg_reg(cd, ALU_XOR, d, d); /* may be REG_ITMP2 */
- emit_alu_reg_reg(cd, ALU_CMP, REG_ITMP3, REG_ITMP1);
- emit_setcc_reg(cd, CC_BE, d);
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
+ M_ALD_DSEG(REG_ITMP2, disp);
+
+ M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
+ M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
+
+ M_ISUB(REG_ITMP3, REG_ITMP1); /* itmp1 := itmp1 (sub.baseval) - itmp3 (super.baseval) */
+
+ M_CMPU(REG_ITMP1, REG_ITMP2); /* d := (uint)REG_ITMP1 <= (uint)REG_ITMP2 */
+ N_LHI(d, 0);
+ M_BGT(SZ_BRC + SZ_LHI);
+ N_LHI(d, 1);
}
- emit_store_dst(jd, iptr, d);
+
+ if (super == NULL) {
+ emit_label(cd, LABEL_EXIT_CHECK_NULL);
+ emit_label(cd, LABEL_EXIT_INTERFACE_DONE);
+ emit_label(cd, LABEL_EXIT_INTERFACE_INDEX_NOT_IN_TABLE);
+ } else if (super->flags & ACC_INTERFACE) {
+ emit_label(cd, LABEL_EXIT_INTERFACE_NULL);
+ emit_label(cd, LABEL_EXIT_INTERFACE_INDEX_NOT_IN_TABLE);
+ } else {
+ emit_label(cd, LABEL_EXIT_CLASS_NULL);
}
-#endif
+
+# undef LABEL_EXIT_CHECK_NULL
+# undef LABEL_CLASS
+# undef LABEL_EXIT_INTERFACE_NULL
+# undef LABEL_EXIT_INTERFACE_INDEX_NOT_IN_TABLE
+# undef LABEL_EXIT_INTERFACE_DONE
+# undef LABEL_EXIT_CLASS_NULL
+
+ emit_store_dst(jd, iptr, d);
+
+ }
+
break;
case ICMD_MULTIANEWARRAY:/* ..., cnt1, [cnt2, ...] ==> ..., arrayref */
- OOPS();
-#if 0
/* check for negative sizes and copy sizes to stack if necessary */
- MCODECHECK((10 * 4 * iptr->s1.argcount) + 5 + 10 * 8);
+ /*MCODECHECK((10 * 4 * iptr->s1.argcount) + 5 + 10 * 8);*/
+ MCODECHECK(512);
for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
/* Already Preallocated? */
if (!(var->flags & PREALLOC)) {
s2 = emit_load(jd, iptr, var, REG_ITMP1);
- M_LST(s2, REG_SP, s1 * 8);
+ M_IST(s2, REG_SP, s1 * 4);
}
}
/* is a patcher function set? */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_add_patch_ref(cd, PATCHER_builtin_multianewarray,
- iptr->sx.s23.s3.c.ref, 0);
+ disp = dseg_add_unique_address(cd, 0);
+
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
+ iptr->sx.s23.s3.c.ref,
+ disp);
}
+ else
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
/* a0 = dimension count */
- M_MOV_IMM(iptr->s1.argcount, REG_A0);
+ ICONST(REG_A0, iptr->s1.argcount);
/* a1 = classinfo */
- M_MOV_IMM(iptr->sx.s23.s3.c.cls, REG_A1);
+ M_ALD_DSEG(REG_A1, disp);
/* a2 = pointer to dimensions = stack pointer */
M_MOV(REG_SP, REG_A2);
- M_MOV_IMM(BUILTIN_multianewarray, REG_ITMP1);
- M_CALL(REG_ITMP1);
+ disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
+ M_ALD_DSEG(REG_ITMP1, disp);
+ M_ASUB_IMM(96, REG_SP);
+ M_JSR(REG_RA, REG_ITMP1);
+ M_AADD_IMM(96, REG_SP);
/* check for exception before result assignment */
- M_TEST(REG_RESULT);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
+ emit_exception_check(cd, iptr);
s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_INTMOVE(REG_RESULT, s1);
emit_store_dst(jd, iptr, s1);
-#endif
+
break;
default:
- *exceptionptr = new_internalerror("Unknown ICMD %d", iptr->opc);
- return false;
+ vm_abort("Unknown ICMD %d during code generation", iptr->opc);
} /* switch */
-
- } /* for instruction */
-
- MCODECHECK(512); /* XXX require a lower number? */
-
- /* At the end of a basic block we may have to append some nops,
- because the patcher stub calling code might be longer than the
- actual instruction. So codepatching does not change the
- following block unintentionally. */
-
- if (cd->mcodeptr < cd->lastmcodeptr) {
- while (cd->mcodeptr < cd->lastmcodeptr) {
- M_NOP;
- }
- }
-
- } /* if (bptr -> flags >= BBREACHED) */
- } /* for basic block */
-
- dseg_createlinenumbertable(cd);
-
- /* generate stubs */
-
- emit_exception_stubs(jd);
- emit_patcher_stubs(jd);
-#if 0
- emit_replacement_stubs(jd);
-#endif
-
- codegen_finish(jd);
-
- /* everything's ok */
-
- return true;
-}
-
-
-/* createcompilerstub **********************************************************
-
- Creates a stub routine which calls the compiler.
-
-*******************************************************************************/
-
-#define COMPILERSTUB_DATASIZE (3 * SIZEOF_VOID_P)
-#define COMPILERSTUB_CODESIZE (SZ_BRAS + SZ_AHI + (2 * SZ_L) + SZ_BR)
-
-#define COMPILERSTUB_SIZE (COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE)
-
-
-u1 *createcompilerstub(methodinfo *m)
-{
- u1 *s; /* memory to hold the stub */
- ptrint *d;
- codeinfo *code;
- codegendata *cd;
- s4 dumpsize;
-
- s = CNEW(u1, COMPILERSTUB_SIZE);
-
- /* set data pointer and code pointer */
-
- d = (ptrint *) s;
- s = s + COMPILERSTUB_DATASIZE;
-
- /* mark start of dump memory area */
-
- dumpsize = dump_size();
-
- cd = DNEW(codegendata);
- cd->mcodeptr = s;
-
- /* Store the codeinfo pointer in the same place as in the
- methodheader for compiled methods. */
-
- code = code_codeinfo_new(m);
-
- d[0] = (ptrint) asm_call_jit_compiler;
- d[1] = (ptrint) m;
- d[2] = (ptrint) code;
-
- /* code for the stub */
-
- /* don't touch ITMP3 as it cointains the return address */
-
- N_L2(REG_ITMP1, -2 * 4, REG_PV); /* methodinfo */
- /* TODO where is methodpointer loaded into itmp2? is it already inside? */
- N_L2(REG_PV, -3 * 4, REG_PV); /* compiler pointer */
- N_BR(REG_PV);
-
-#if defined(ENABLE_STATISTICS)
- if (opt_stat)
- count_cstub_len += COMPILERSTUB_SIZE;
-#endif
-
- /* release dump area */
-
- dump_release(dumpsize);
-
- return s;
}
-/* createnativestub ************************************************************
+/* codegen_emit_stub_native ****************************************************
- Creates a stub routine which calls a native method.
+ Emits a stub routine which calls a native method.
*******************************************************************************/
SP after method entry
*/
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- methoddesc *md;
- s4 nativeparams;
- s4 i, j; /* count variables */
- s4 t;
- s4 s1, s2;
- s4 disp;
+ methodinfo *m;
+ codeinfo *code;
+ codegendata *cd;
+ methoddesc *md;
+ int i, j;
+ int t;
+ int s1, s2;
+ int disp;
/* get required compiler data */
m = jd->m;
code = jd->code;
cd = jd->cd;
- rd = jd->rd;
- /* initialize variables */
+ /* set some variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
- /* calculate stack frame size */
-#if 0
- cd->stackframesize =
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
- sizeof(localref_table) / SIZEOF_VOID_P +
- INT_ARG_CNT + FLT_ARG_CNT +
- 1 + /* functionptr, TODO: store in data segment */
- nmd->memuse;
+ /* calculate stackframe size */
- cd->stackframesize |= 0x1; /* keep stack 16-byte aligned */
-#endif
+ cd->stackframesize =
+ 1 + /* return address */
+ sizeof(stackframeinfo_t) / 8 +
+ sizeof(localref_table) / 8 +
+ nmd->paramcount +
+ nmd->memuse +
+ (96 / 8); /* linkage area */
- cd->stackframesize =
- 1 + /* r14 - return address */ +
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
- sizeof(localref_table) / SIZEOF_VOID_P +
- 1 + /* itmp3 */
- (INT_ARG_CNT + FLT_ARG_CNT) * 2 +
- nmd->memuse + /* parameter passing */
- 96 / SIZEOF_VOID_P /* required by ABI */;
+ /* keep stack 8-byte aligned */
+ /*ALIGN_2(cd->stackframesize);*/
/* create method header */
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
(void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
- (void) dseg_add_unique_s4(cd, 0); /* IsSync */
(void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
(void) dseg_add_unique_s4(cd, 0); /* IntSave */
(void) dseg_add_unique_s4(cd, 0); /* FltSave */
- (void) dseg_addlinenumbertablesize(cd);
- (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
-
- /* generate native method profiling code */
-#if 0
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
-
- M_MOV_IMM(code, REG_ITMP3);
- M_IINC_MEMBASE(REG_ITMP3, OFFSET(codeinfo, frequency));
- }
-#endif
- /* generate stub code */
+ /* generate code */
- N_AHI(REG_SP, -(cd->stackframesize * SIZEOF_VOID_P));
+ M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
+ M_AADD_IMM(N_PV_OFFSET, REG_PV);
- /* save return address */
+ /* store return address */
- N_ST(R14, (cd->stackframesize - 1) * SIZEOF_VOID_P, 0, REG_SP)
+ M_AST(REG_RA, REG_SP, (cd->stackframesize - 1) * 8);
-#if 0
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
-#endif
-#endif
+#if defined(ENABLE_GC_CACAO)
+ /* Save callee saved integer registers in stackframeinfo (GC may
+ need to recover them during a collection). */
- /* get function address (this must happen before the stackframeinfo) */
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL)
- codegen_add_patch_ref(cd, PATCHER_resolve_native, m, 0);
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
#endif
- disp = dseg_add_functionptr(cd, f);
- N_L2(REG_ITMP3, disp, REG_PV);
-
- j = 96 + (nmd->memuse * 4);
-
- /* todo some arg registers are not volatile in C-abi terms */
-
/* save integer and float argument registers */
for (i = 0; i < md->paramcount; i++) {
- if (! md->params[i].inmemory) {
+ if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
- if (IS_2_WORD_TYPE(t)) {
- /* todo store multiple */
- N_ST(rd->argintregs[GET_HIGH_REG(s1)], j, 0, REG_SP);
- N_ST(rd->argintregs[GET_LOW_REG(s1)], j + 4, 0, REG_SP);
- } else {
- N_ST(rd->argintregs[s1], j, 0, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_STD(rd->argfltregs[s1], j, 0, REG_SP);
- } else {
- N_STE(rd->argfltregs[s1], j, 0, REG_SP);
- }
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(s1, REG_SP, 96 + i * 8);
+ break;
+ case TYPE_LNG:
+ M_LST(s1, REG_SP, 96 + i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(s1, REG_SP, 96 + i * 8);
+ break;
}
-
- j += 8;
}
}
- N_ST(REG_ITMP3, j, 0, REG_SP);
-
- /* create dynamic stack info */
-
- N_LAE(REG_A0, (cd->stackframesize - 1) * 4, 0, REG_SP); /* datasp */
- N_LR(REG_A1, REG_PV) /* pv */
- N_LAE(REG_A2, cd->stackframesize * 4, 0, REG_SP); /* old SP */
- N_L(REG_A3, (cd->stackframesize - 1) * 4, 0, REG_SP); /* return address */
+ /* create native stack info */
+ M_MOV(REG_SP, REG_A0);
+ M_LDA(REG_A1, REG_PV, -N_PV_OFFSET);
disp = dseg_add_functionptr(cd, codegen_start_native_call);
- N_L2(REG_ITMP1, disp, REG_PV);
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_CALL(REG_ITMP2);
- M_CALL(REG_ITMP1); /* call */
+ /* remember class argument */
- /* restore integer and float argument registers */
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_RESULT, REG_ITMP3);
- j = 96 + (nmd->memuse * 4);
+ /* restore integer and float argument registers */
for (i = 0; i < md->paramcount; i++) {
- if (! md->params[i].inmemory) {
+ if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- if (IS_INT_LNG_TYPE(md->paramtypes[i].type)) {
- if (IS_2_WORD_TYPE(t)) {
- /* todo load multiple ! */
- N_L(rd->argintregs[GET_HIGH_REG(s1)], j, 0, REG_SP);
- N_L(rd->argintregs[GET_LOW_REG(s1)], j + 4, 0, REG_SP);
- } else {
- N_L(rd->argintregs[s1], j, 0, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_LD(rd->argfltregs[s1], j, 0, REG_SP);
- } else {
- N_LE(rd->argfltregs[s1], j, 0, REG_SP);
- }
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(s1, REG_SP, 96 + i * 8);
+ break;
+ case TYPE_LNG:
+ M_LLD(s1, REG_SP, 96 + i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(s1, REG_SP, 96 + i * 8);
+ break;
}
-
- j += 8;
}
}
- N_L(REG_ITMP3, j, 0, REG_SP);
-
/* copy or spill arguments to new locations */
- for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
+ for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
t = md->paramtypes[i].type;
if (IS_INT_LNG_TYPE(t)) {
-
if (!md->params[i].inmemory) {
-
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
if (!nmd->params[j].inmemory) {
- s2 = rd->argintregs[nmd->params[j].regoff];
- if (IS_2_WORD_TYPE(t)) {
- N_LR(GET_HIGH_REG(s2), GET_HIGH_REG(s1));
- N_LR(GET_LOW_REG(s2), GET_LOW_REG(s1));
- } else {
- N_LR(s2, s1);
- }
- } else {
- s2 = nmd->params[j].regoff;
- if (IS_2_WORD_TYPE(t)) {
- N_LM(GET_LOW_REG(s1), GET_HIGH_REG(s1), 96 + (s2 * 4), REG_SP);
- } else {
- N_L(s1, 96 + (s2 * 4), 0, REG_SP);
- }
+ if (IS_2_WORD_TYPE(t))
+ M_LNGMOVE(s1, s2);
+ else
+ M_INTMOVE(s1, s2);
}
-
- } else {
- s1 = md->params[i].regoff + cd->stackframesize + 1; /* + 1 (RA) */
+ else {
+ if (IS_2_WORD_TYPE(t))
+ M_LST(s1, REG_SP, s2);
+ else
+ M_IST(s1, REG_SP, s2);
+ }
+ }
+ else {
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
-
+
if (IS_2_WORD_TYPE(t)) {
- N_MVC(96 + (s2 * 4), 8, REG_SP, s1, REG_SP);
+ N_MVC(s2, 8, REG_SP, s1, REG_SP);
} else {
- N_MVC(96 + (s2 * 4), 4, REG_SP, s1, REG_SP);
+ N_MVC(s2, 4, REG_SP, s1, REG_SP);
}
}
-
- } else {
- /* We only copy spilled float arguments, as the float argument */
- /* registers keep unchanged. */
+ }
+ else {
+ /* We only copy spilled float arguments, as the float
+ argument registers keep unchanged. */
if (md->params[i].inmemory) {
- s1 = md->params[i].regoff + cd->stackframesize + 1; /* + 1 (RA) */
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
if (IS_2_WORD_TYPE(t)) {
- N_MVC(96 + (s2 * 4), 8, REG_SP, s1, REG_SP);
+ N_MVC(s2, 8, REG_SP, s1, REG_SP);
} else {
- N_MVC(96 + (s2 * 4), 4, REG_SP, s1, REG_SP);
+ N_MVC(s2, 4, REG_SP, s1, REG_SP);
}
}
}
}
- /* put class into second argument register */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, m->class);
- N_L2(REG_A1, disp, REG_PV);
- }
+ if (m->flags & ACC_NATIVE) {
+ /* put class into second argument register */
- /* put env into first argument register */
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_ITMP3, REG_A1);
- disp = dseg_add_address(cd, _Jv_env);
- N_L2(REG_A0, disp, REG_PV);
+ /* put env into first argument register */
- /* do the native function call */
+ disp = dseg_add_address(cd, VM_get_jnienv());
+ M_ALD_DSEG(REG_A0, disp);
+ }
- M_CALL(REG_ITMP3); /* call */
+ /* Call native function. */
- /* save return value */
+ disp = dseg_add_functionptr(cd, f);
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_CALL(REG_ITMP2);
- t = md->returntype.type;
+ /* save return value */
- if (t != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(t)) {
- if (IS_2_WORD_TYPE(t)) {
- N_STM(REG_RESULT, REG_RESULT2, 96, REG_SP);
- } else {
- N_ST(REG_RESULT, 96, 0, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_STD(REG_FRESULT, 96, 0, REG_SP);
- } else {
- N_STE(REG_FRESULT, 96, 0, REG_SP);
- }
- }
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_IST(REG_RESULT, REG_SP, 96);
+ break;
+ case TYPE_LNG:
+ M_LST(REG_RESULT_PACKED, REG_SP, 96);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(REG_FRESULT, REG_SP, 96);
+ break;
+ case TYPE_VOID:
+ break;
}
-#if 0
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
-#endif
-#endif
-
/* remove native stackframe info */
- N_LAE(REG_A0, cd->stackframesize * 4, 0, REG_SP);
+ M_MOV(REG_SP, REG_A0);
+ M_LDA(REG_A1, REG_PV, -N_PV_OFFSET);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
- N_L2(REG_ITMP1, disp, REG_PV);
+ M_ALD_DSEG(REG_ITMP1, disp);
M_CALL(REG_ITMP1);
- N_LR(REG_ITMP3, REG_RESULT);
+
+ M_MOV(REG_RESULT, REG_ITMP1_XPTR);
/* restore return value */
- if (t != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(t)) {
- if (IS_2_WORD_TYPE(t)) {
- N_LM(REG_RESULT, REG_RESULT2, 96, REG_SP);
- } else {
- N_L(REG_RESULT, 96, 0, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_LD(REG_FRESULT, 96, 0, REG_SP);
- } else {
- N_LE(REG_FRESULT, 96, 0, REG_SP);
- }
- }
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(REG_RESULT, REG_SP, 96);
+ break;
+ case TYPE_LNG:
+ M_LLD(REG_RESULT_PACKED, REG_SP, 96);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(REG_FRESULT, REG_SP, 96);
+ break;
+ case TYPE_VOID:
+ break;
}
- /* remove stackframe */
+#if defined(ENABLE_GC_CACAO)
+ /* Restore callee saved integer registers from stackframeinfo (GC
+ might have modified them during a collection). */
+
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
- N_AHI(REG_SP, cd->stackframesize * 4);
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
+#endif
- /* test for exception */
+ /* load return address */
- N_LTR(REG_ITMP3, REG_ITMP3);
- N_BRC(DD_NE, SZ_BRC + SZ_BC);
- N_BC(DD_ANY, 0, 0, REG_SP); /* return */
+ M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8);
- /* handle exception */
+ /* remove stackframe */
- N_LONG_0();
+ M_AADD_IMM(cd->stackframesize * 8, REG_SP);
-#if 0
- M_MOV(REG_ITMP3, REG_ITMP1_XPTR);
- M_ALD(REG_ITMP2_XPC, REG_SP, 0 * 8); /* get return address from stack */
- M_ASUB_IMM(3, REG_ITMP2_XPC); /* callq */
+ /* check for exception */
- M_MOV_IMM(asm_handle_nat_exception, REG_ITMP3);
- M_JMP(REG_ITMP3);
+ M_TEST(REG_ITMP1_XPTR);
+ M_BNE(SZ_BRC + SZ_BCR); /* if no exception then return */
- /* generate patcher stubs */
+ M_RET;
- emit_patcher_stubs(jd);
+ /* handle exception */
-#endif
- codegen_finish(jd);
+ M_MOV(REG_RA, REG_ITMP2_XPC);
+ M_ASUB_IMM(2, REG_ITMP2_XPC);
- return code->entrypoint;
- return NULL;
+ disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_JMP(RN, REG_ITMP2);
}
-
-
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where