/* src/vm/jit/s390/codegen.c - machine code generator for s390
- Copyright (C) 1996-2005, 2006, 2007 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.
#include <stdint.h>
#include <stdio.h>
-#include "native/jni.h"
-#include "native/localref.h"
-#include "native/native.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/localref.hpp"
+#include "native/native.hpp"
-#if defined(ENABLE_THREADS)
-# include "threads/lock-common.h"
-# include "threads/native/lock.h"
-#endif
+#include "mm/memory.hpp"
+
+#include "threads/lock.hpp"
-#include "vmcore/loader.h"
-#include "vmcore/options.h"
-#include "vmcore/statistics.h"
-#include "vm/builtin.h"
-#include "vm/exceptions.h"
+#include "vm/jit/builtin.hpp"
+#include "vm/exceptions.hpp"
#include "vm/global.h"
+#include "vm/loader.hpp"
+#include "vm/options.h"
+#include "vm/statistics.h"
+#include "vm/types.h"
+#include "vm/vm.hpp"
+
#include "vm/jit/abi.h"
-#if defined(ENABLE_LSRA)
-# include "vm/jit/allocator/lsra.h"
-#endif
#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-common.h"
+#include "vm/jit/parse.hpp"
+#include "vm/jit/patcher-common.hpp"
#include "vm/jit/reg.h"
-#include "vm/jit/replace.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 "vm/jit/stacktrace.h"
-#include "vm/types.h"
-#include "vm/stringlocal.h"
-#include "vm/vm.h"
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.hpp"
+
/* 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.
*/
+/*
static void do__log(u4 *regs) {
- /* insert stuff here */
}
+*/
#define DO__LOG \
N_AHI(REG_SP, -200); \
N_LM(R0, R15, 96, REG_SP); \
N_AHI(REG_SP, 200);
-#define SUPPORT_HERCULES 1
-
-/* codegen *********************************************************************
-
- Generates machine code.
+/* If the following macro is defined, workaround code for hercules quirks
+ * is generated
+ */
-*******************************************************************************/
+/* #define SUPPORT_HERCULES 1 */
/*
*/
-bool codegen_emit(jitdata *jd)
-{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- s4 len, s1, s2, s3, d, dd, 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;
-#if 0
- rplpoint *replacementpoint;
-#endif
- 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;
- savedregs_num = 0;
-
- /* space to save used callee saved registers */
-
- savedregs_num += (INT_SAV_CNT - rd->savintreguse);
- savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
-
- cd->stackframesize = rd->memuse + savedregs_num + 1 /* space to save RA */;
+/**
+ * Generates machine code for the method prolog.
+ */
+void codegen_emit_prolog(jitdata* jd)
+{
+ varinfo* var;
+ methoddesc* md;
+ int32_t s1, s2;
+ int32_t p, t, l;
+ int32_t varindex;
+ int i;
+
+ // Get required compiler data.
+ methodinfo* m = jd->m;
+ codeinfo* code = jd->code;
+ codegendata* cd = jd->cd;
+ registerdata* rd = jd->rd;
/* CAUTION:
- * As REG_ITMP3 == REG_RA, do not touch REG_ITMP3, until it has been saved.
+ * As REG_ITMP2 == REG_RA, do not touch REG_ITMP2, until it has been saved.
*/
-#if defined(ENABLE_THREADS)
- /* Space to save argument of monitor_enter and Return Values to
- survive monitor_exit. The stack position for the argument can
- not be shared with place to save the return register
- since both values reside in R2. */
-
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- /* 1 slot space to save argument of monitor_enter */
- /* 1 slot to temporary store return value before monitor_exit */
- cd->stackframesize += 2;
- }
-#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 )
- /* TODO really 16 bytes ? */
- cd->stackframesize = (cd->stackframesize + 2) & ~2;
-
- /* 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 */
-
- 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);
- }
-
/* Offset PV */
M_AADD_IMM(N_PV_OFFSET, REG_PV);
- /* generate method profiling code */
-
-#if defined(ENABLE_PROFILING)
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
- M_ALD_DSEG(REG_ITMP1, CodeinfoPointer);
- ICONST(REG_ITMP2, 1);
- N_AL(REG_ITMP2, OFFSET(codeinfo, frequency), RN, REG_ITMP1);
- M_IST(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
+ /* create stack frame (if necessary) */
- PROFILE_CYCLE_START;
+ if (cd->stackframesize) {
+ M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
}
-#endif
- /* create stack frame (if necessary) */
+ /* store return address */
- if (cd->stackframesize)
- M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
+ M_AST(REG_RA, REG_SP, (cd->stackframesize - 1) * 8);
/* save used callee saved registers and return address */
- p = cd->stackframesize;
- p--; M_AST(REG_RA, REG_SP, p * 8);
+ p = cd->stackframesize - 1;
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
p--; M_IST(rd->savintregs[i], REG_SP, p * 8);
if (!md->params[p].inmemory) { /* register arguments */
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 */
if (IS_2_WORD_TYPE(t))
}
}
} /* end for */
+}
- /* save monitorenter argument */
-
-#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- /* stack offset for monitor argument */
-
- s1 = rd->memuse;
-
-#if !defined(NDEBUG)
- if (opt_verbosecall) {
- M_ASUB_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
-
- for (p = 0; p < INT_ARG_CNT; p++)
- M_IST(abi_registers_integer_argument[p], REG_SP, p * 8);
-
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
-
- s1 += ((INT_ARG_CNT + FLT_ARG_CNT));
- }
-#endif
-
- /* decide which monitor enter function to call */
- if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, &m->class->object.header);
- M_ALD_DSEG(REG_A0, disp);
- }
- else {
- M_TEST(REG_A0);
- M_BNE(SZ_BRC + SZ_ILL);
- M_ILL(EXCEPTION_HARDWARE_NULLPOINTER);
- }
+/**
+ * Generates machine code for the method epilog.
+ */
+void codegen_emit_epilog(jitdata* jd)
+{
+ int32_t p;
+ int i;
- disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
- M_ALD_DSEG(REG_ITMP3, disp);
+ // Get required compiler data.
+ codegendata* cd = jd->cd;
+ registerdata* rd = jd->rd;
- M_AST(REG_A0, REG_SP, s1 * 8);
+ p = cd->stackframesize;
- M_ASUB_IMM(96, REG_SP);
- M_CALL(REG_ITMP3);
- M_AADD_IMM(96, REG_SP);
+ /* restore return address */
-#if !defined(NDEBUG)
- if (opt_verbosecall) {
- for (p = 0; p < INT_ARG_CNT; p++)
- M_ILD(abi_registers_integer_argument[p], REG_SP, p * 8);
+ p--; M_ALD(REG_RA, REG_SP, p * 8);
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
+ /* restore saved registers */
- M_AADD_IMM((INT_ARG_CNT + FLT_ARG_CNT) * 8, REG_SP);
- }
-#endif
+ 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 */
-
- /* create replacement points */
-
- REPLACEMENT_POINTS_INIT(cd, jd);
-
- /* 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 */
-
- REPLACEMENT_POINT_BLOCK_START(cd, bptr);
-
- /* copy interface registers to their destination */
-
- len = bptr->indepth;
- MCODECHECK(512);
-
-#if defined(ENABLE_PROFILING)
- /* generate basicblock profiling code */
-
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
-
- M_ALD_DSEG(REG_ITMP1, CodeinfoPointer);
- M_ALD(REG_ITMP1, REG_ITMP1, OFFSET(codeinfo, bbfrequency));
- ICONST(REG_ITMP2, 1);
- N_AL(REG_ITMP2, bptr->nr * 4, RN, REG_ITMP1);
- M_IST(REG_ITMP2, REG_ITMP1, bptr->nr * 4);
-
- /* if this is an exception handler, start profiling again */
-
- if (bptr->type == BBTYPE_EXH)
- PROFILE_CYCLE_START;
- }
-#endif
-
-#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;
-
- for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
- if (iptr->line != currentline) {
- dseg_addlinenumber(cd, iptr->line);
- currentline = iptr->line;
- }
-
- MCODECHECK(1024); /* 1KB should be enough */
-
- switch (iptr->opc) {
- case ICMD_NOP: /* ... ==> ... */
- case ICMD_POP: /* ..., value ==> ... */
- case ICMD_POP2: /* ..., value, value ==> ... */
- break;
-
- case ICMD_INLINE_START:
-
- REPLACEMENT_POINT_INLINE_START(cd, iptr);
- break;
-
- case ICMD_INLINE_BODY:
+ /* deallocate stack */
- REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
- dseg_addlinenumber_inline_start(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
- break;
+ if (cd->stackframesize)
+ M_AADD_IMM(cd->stackframesize * 8, REG_SP);
- case ICMD_INLINE_END:
+ M_RET;
+}
- dseg_addlinenumber_inline_end(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
- break;
- case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- emit_nullpointer_check(cd, iptr, s1);
- 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 */
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- ICONST(d, iptr->sx.val.i);
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_LCONST: /* ... ==> ..., constant */
-
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- LCONST(d, iptr->sx.val.l);
- emit_store_dst(jd, iptr, d);
- break;
-
case ICMD_FCONST: /* ... ==> ..., constant */
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
disp = dseg_add_float(cd, iptr->sx.val.f);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- cr = iptr->sx.val.c.ref;
+ constant_classref *cr = iptr->sx.val.c.ref;
disp = dseg_add_unique_address(cd, cr);
-/* PROFILE_CYCLE_STOP; */
-
patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
cr, disp);
-/* PROFILE_CYCLE_START; */
-
M_ALD_DSEG(d, disp);
} else {
if (iptr->sx.val.anyptr == 0) {
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:
-
- emit_copy(jd, iptr);
- break;
-
- case ICMD_ASTORE:
- if (!(iptr->flags.bits & INS_FLAG_RETADDR))
- emit_copy(jd, iptr);
- break;
-
/* integer operations *************************************************/
case ICMD_INEG: /* ..., value ==> ..., - value */
case ICMD_I2L: /* ..., value ==> ..., value */
- d = emit_alloc_dst_even_odd(jd, iptr, R0, REG_ITMP1, REG_ITMP2);
- s1 = emit_load_s1(jd, iptr, GET_HIGH_REG(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));
- ICONST(GET_LOW_REG(d), 0);
M_SRDA_IMM(32, GET_HIGH_REG(d));
emit_copy_dst(jd, iptr, d);
emit_store_dst(jd, iptr, d);
- emit_restore_dst_even_odd(jd, iptr, R0, REG_ITMP1, REG_ITMP2);
-
break;
case ICMD_L2I: /* ..., value ==> ..., value */
case ICMD_INT2BYTE: /* ..., value ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_INTMOVE(s1, d);
M_SLL_IMM(24, d);
M_SRA_IMM(24, d);
case ICMD_INT2CHAR: /* ..., value ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_INTMOVE(s1, d);
M_SLL_IMM(16, d);
M_SRL_IMM(16, d);
case ICMD_INT2SHORT: /* ..., value ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_INTMOVE(s1, d);
M_SLL_IMM(16, d);
M_SRA_IMM(16, d);
case ICMD_IDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
case ICMD_IREM: /* ..., val1, val2 ==> ..., val1 % val2 */
- s2 = emit_load_s2_notzero(jd, iptr, REG_ITMP2);
- emit_arithmetic_check(cd, iptr, s2);
+ /* load s1 into r0 */
- /* For this operation we need a register pair.
- * We will use r0 and itmp1 and will backup 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);
- M_INTMOVE(R0, REG_ITMP3);
+ /* extend s1 to long */
- /* We won't check for division by 0, we catch a SIGFPE instead
- * Special case 0x80000000 / 0xffffffff handled by signal handler too.
- */
+ M_SRDA_IMM(32, GET_HIGH_REG(REG_ITMP31_PACKED));
- s1 = emit_load_s1(jd, iptr, R0);
- M_INTMOVE(s1, R0);
- M_CLR(REG_ITMP1);
- M_SRDA_IMM(32, R0);
+ /* divide */
- N_DR(R0, s2);
+ N_DR(GET_HIGH_REG(REG_ITMP31_PACKED), s2);
+
+ /* take result */
switch (iptr->opc) {
case ICMD_IREM:
- d = codegen_reg_of_dst(jd, iptr, R0);
- M_INTMOVE(R0, d);
+ 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, REG_ITMP1);
- M_INTMOVE(REG_ITMP1, d);
+ 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);
- /* If destionation of operation was not register R0,
- * restore R0.
- */
-
- if (! ((d == R0) && !IS_INMEMORY(VAROP(iptr->dst)->flags))) {
- M_INTMOVE(REG_ITMP3, R0);
- }
-
break;
case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
bte = iptr->sx.s23.s3.bte;
- md = bte->md;
/* test s2 for zero */
/* call builtin */
M_ASUB_IMM(96, REG_SP);
- M_ALD_DSEG(REG_ITMP3, disp);
- M_JSR(REG_RA, REG_ITMP3);
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_JSR(REG_RA, REG_ITMP2);
M_AADD_IMM(96, REG_SP);
/* store result */
case ICMD_LUSHR: /* ..., val1, val2 ==> ..., val1 >>> val2 */
- s2 = emit_load_s2(jd, iptr, REG_ITMP3); /* d wont contain REG_ITMP3 */
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* Use only 6 bits of second operand */
- M_INTMOVE(s2, REG_ITMP3);
- s2 = REG_ITMP3;
- ICONST(REG_ITMP2, 0x3F);
- M_IAND(REG_ITMP2, s2);
+ M_INTMOVE(s2, REG_ITMP2);
+ s2 = REG_ITMP2;
+ ICONST(REG_ITMP1, 0x3F);
+ M_IAND(REG_ITMP1, s2);
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP31_PACKED); /* even-odd pair */
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP31_PACKED);
- d = emit_alloc_dst_even_odd(jd, iptr, R0, REG_ITMP1, REG_ITMP2);
+ /* Destination must be even-odd pair */
- if ((s2 == GET_LOW_REG(d)) || (s2 == GET_HIGH_REG(d))) {
- M_INTMOVE(s2, REG_ITMP3);
- s2 = REG_ITMP3;
+ if (! N_IS_EVEN_ODD(d)) {
+ d = REG_ITMP31_PACKED;
}
- s1 = emit_load_s1(jd, iptr, d);
+ assert(N_IS_EVEN_ODD(d));
M_LNGMOVE(s1, d);
emit_copy_dst(jd, iptr, d);
emit_store_dst(jd, iptr, d);
- emit_restore_dst_even_odd(jd, iptr, R0, REG_ITMP1, REG_ITMP2);
break;
/* sx.val.l = constant */
case ICMD_LMULPOW2:
- d = emit_alloc_dst_even_odd(jd, iptr, R0, REG_ITMP1, REG_ITMP2); /* won't contain itmp3 */
+ 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);
emit_copy_dst(jd, iptr, d);
emit_store_dst(jd, iptr, d);
- emit_restore_dst_even_odd(jd, iptr, R0, REG_ITMP1, REG_ITMP2);
-
break;
case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
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);
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);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_FSUB(s2, d);
emit_store_dst(jd, iptr, d);
break;
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_DSUB(s2, d);
emit_store_dst(jd, iptr, d);
break;
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);
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);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_FDIV(s2, d);
emit_store_dst(jd, iptr, d);
break;
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
s2 = emit_load_s2_but(jd, iptr, REG_FTMP2, d);
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
M_DDIV(s2, d);
emit_store_dst(jd, iptr, d);
break;
case ICMD_F2D: /* ..., value ==> ..., (double) value */
{
+#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
/* memory operations **************************************************/
- case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., (int) length */
-
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- /* TODO softnull */
- /* implicit null-pointer check */
- M_ILD(d, s1, OFFSET(java_array_t, size));
- emit_store_dst(jd, iptr, d);
-
- break;
-
case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_notzero(jd, iptr, REG_ITMP2);
+ 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);
/* implicit null-pointer check */
case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(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);
break;
case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(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);
break;
case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(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);
case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP3);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ 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 */
- /* We need to preserve the array address after the first load */
+ N_L(
+ GET_LOW_REG(d) /* maybe itmp3 */,
+ OFFSET(java_longarray_t, data[0]) + 4,
+ REG_ITMP2, s1 /* maybe itmp1 */
+ );
- if (GET_HIGH_REG(d) == s1) {
- M_INTMOVE(s1, REG_ITMP3);
- s1 = REG_ITMP3;
- }
+ N_L(
+ GET_HIGH_REG(d) /* maybe itmp1 */,
+ OFFSET(java_longarray_t, data[0]),
+ REG_ITMP2, s1 /* maybe itmp1 */
+ );
- N_L(GET_HIGH_REG(d) /* evntl. itmp1 */, OFFSET(java_intarray_t, data[0]), REG_ITMP2, s1);
- N_L(GET_LOW_REG(d) /* evntl. itmp2 */, OFFSET(java_intarray_t, data[0]) + 4, REG_ITMP2, s1);
emit_store_dst(jd, iptr, d);
break;
case ICMD_FALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(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_FTMP1);
break;
case ICMD_DALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(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_FTMP1);
M_INTMOVE(s2, REG_ITMP2);
M_SLL_IMM(3, REG_ITMP2); /* scale index by 8 */
- N_LD(d, OFFSET(java_floatarray_t, data[0]), REG_ITMP2, s1);
+ N_LD(d, OFFSET(java_doublearray_t, data[0]), REG_ITMP2, s1);
emit_store_dst(jd, iptr, d);
break;
case ICMD_AALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1_notzero(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);
break;
case ICMD_BASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_notzero(jd, iptr, REG_ITMP2);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ 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_ITMP3);
case ICMD_CASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
break;
case ICMD_SASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
case ICMD_IASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
case ICMD_LASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(3, REG_ITMP2);
s3 = emit_load_s3_high(jd, iptr, REG_ITMP3);
- N_ST(s3, OFFSET(java_intarray_t, data[0]), REG_ITMP2, s1);
+ 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_intarray_t, data[0]) + 4, REG_ITMP2, s1);
+ N_ST(s3, OFFSET(java_longarray_t, data[0]) + 4, REG_ITMP2, s1);
break;
case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
break;
case ICMD_DASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
/* implicit null-pointer check */
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1_notzero(jd, iptr, REG_A0);
+ 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);
M_INTMOVE(s3, REG_A1);
disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
- M_ALD_DSEG(REG_ITMP3, disp);
+ M_ALD_DSEG(REG_ITMP2, disp);
M_ASUB_IMM(96, REG_SP);
- M_JSR(REG_RA, REG_ITMP3);
+ M_JSR(REG_RA, REG_ITMP2);
M_AADD_IMM(96, REG_SP);
emit_arraystore_check(cd, iptr);
*/
break;
+ case ICMD_GETFIELD: /* ... ==> ..., value */
- case ICMD_GETSTATIC: /* ... ==> ..., value */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ emit_nullpointer_check(cd, iptr, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, NULL);
-
-/* PROFILE_CYCLE_STOP; */
-
- patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+ disp = 0;
-/* PROFILE_CYCLE_START; */
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
}
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;
-
- patcher_add_patch_ref(jd, PATCHER_clinit, fi->class, 0);
-
- PROFILE_CYCLE_START;
- }
- }
-
- M_ALD_DSEG(REG_ITMP1, disp);
+ disp = fi->offset;
+ }
switch (fieldtype) {
case TYPE_INT:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ILD(d, REG_ITMP1, 0);
+ M_ILD(d, s1, disp);
break;
case TYPE_LNG:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP23_PACKED);
- M_LLD(d, REG_ITMP1, 0);
+ 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_ITMP2);
- M_ALD(d, REG_ITMP1, 0);
+ M_ALD(d, s1, disp);
break;
case TYPE_FLT:
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD(d, REG_ITMP1, 0);
+ M_FLD(d, s1, disp);
break;
case TYPE_DBL:
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD(d, REG_ITMP1, 0);
+ M_DLD(d, s1, disp);
break;
}
-
emit_store_dst(jd, iptr, d);
-
break;
- case ICMD_PUTSTATIC: /* ..., value ==> ... */
+ case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
+ {
+ u1 *ref;
+ patchref_t *pr;
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ emit_nullpointer_check(cd, iptr, s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, uf);
-
- patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
- }
- 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;
- patcher_add_patch_ref(jd, PATCHER_clinit, fi->class, disp);
- PROFILE_CYCLE_START;
- }
- }
-
- M_ALD_DSEG(REG_ITMP1, disp);
- switch (fieldtype) {
- case TYPE_INT:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_IST(s1, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- s1 = emit_load_s1(jd, iptr, REG_ITMP23_PACKED);
- M_LST(s1, REG_ITMP1, 0);
- break;
- case TYPE_ADR:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_AST(s1, REG_ITMP1, 0);
- break;
- case TYPE_FLT:
- s1 = emit_load_s1(jd, iptr, REG_FTMP2);
- M_FST(s1, REG_ITMP1, 0);
- break;
- case TYPE_DBL:
- s1 = emit_load_s1(jd, iptr, REG_FTMP2);
- M_DST(s1, REG_ITMP1, 0);
- break;
- }
- break;
-
- case ICMD_GETFIELD: /* ... ==> ..., value */
-
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
- 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;
-
- patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = fi->offset;
- }
-
- switch (fieldtype) {
- case TYPE_INT:
- 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_ITMP2);
- M_ALD(d, s1, disp);
- break;
- case TYPE_FLT:
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD(d, s1, disp);
- break;
- case TYPE_DBL:
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD(d, s1, disp);
- break;
- }
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
- {
- u1 *ref;
-
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
- 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;
- }
+ disp = 0;
+ }
else {
fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
*/
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
+ pr = patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
ref = cd->mcodeptr;
}
}
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- ((patchref_t *)list_first_unsynced(jd->code->patchers))->disp = (cd->mcodeptr - ref);
+ pr->disp = (cd->mcodeptr - ref);
}
switch (fieldtype) {
case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
- /* PROFILE_CYCLE_STOP; */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, REG_ITMP1_XPTR);
-
-#ifdef ENABLE_VERIFIER
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uc = iptr->sx.s23.s2.uc;
-
- patcher_add_patch_ref(jd, PATCHER_athrow_areturn, uc, 0);
- }
-#endif /* ENABLE_VERIFIER */
-
disp = dseg_add_functionptr(cd, asm_handle_exception);
- M_ALD_DSEG(REG_ITMP2, disp);
- M_JMP(REG_ITMP2_XPC, REG_ITMP2);
+ M_ALD_DSEG(REG_ITMP1, disp);
+ M_JMP(REG_ITMP2_XPC, REG_ITMP1);
M_NOP;
break;
- case ICMD_GOTO: /* ... ==> ... */
- case ICMD_RET: /* ... ==> ... */
-
- emit_br(cd, iptr->dst.block);
-
- break;
-
- case ICMD_JSR: /* ... ==> ... */
-
- emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
-
- break;
-
- case ICMD_IFNULL: /* ..., value ==> ... */
- case ICMD_IFNONNULL: /* ..., value ==> ... */
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_TEST(s1);
- switch (iptr->opc) {
- case ICMD_IFNULL:
- emit_beq(cd, iptr->dst.block);
- break;
- case ICMD_IFNONNULL:
- emit_bne(cd, iptr->dst.block);
- break;
- }
- break;
-
- case ICMD_IFEQ: /* ..., value ==> ... */
- case ICMD_IFLT: /* ..., value ==> ... */
- case ICMD_IFLE: /* ..., value ==> ... */
- case ICMD_IFNE: /* ..., value ==> ... */
- case ICMD_IFGT: /* ..., value ==> ... */
- case ICMD_IFGE: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
-
- if (N_VALID_IMM(iptr->sx.val.i))
- M_ICMP_IMM(s1, iptr->sx.val.i);
- else {
- disp = dseg_add_s4(cd, iptr->sx.val.i);
- 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);
- }
- }
-
- switch (iptr->opc) {
- case ICMD_IFLT:
- emit_blt(cd, iptr->dst.block);
- break;
- case ICMD_IFLE:
- emit_ble(cd, iptr->dst.block);
- break;
- case ICMD_IFNE:
- emit_bne(cd, iptr->dst.block);
- break;
- case ICMD_IFGT:
- emit_bgt(cd, iptr->dst.block);
- break;
- case ICMD_IFGE:
- emit_bge(cd, iptr->dst.block);
- break;
- case ICMD_IFEQ:
- emit_beq(cd, iptr->dst.block);
- break;
- }
-
- break;
-
case ICMD_IF_LLT: /* ..., value ==> ... */
case ICMD_IF_LLE: /* op1 = target JavaVM pc, val.l = constant */
case ICMD_IF_LGT:
/* Compare addresses as 31 bit unsigned integers */
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_LDA(REG_ITMP1, s1, 0);
- s2 = emit_load_s2_notzero(jd, iptr, REG_ITMP2);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_LDA(REG_ITMP2, s2, 0);
M_CMP(REG_ITMP1, REG_ITMP2);
break;
- case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_ICMPLT: /* ..., value, value ==> ... */
- case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
- case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
- case ICMD_IF_ICMPGE: /* ..., value, value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_CMP(s1, s2);
- switch (iptr->opc) {
- case ICMD_IF_ICMPEQ:
- emit_beq(cd, iptr->dst.block);
- break;
- case ICMD_IF_ICMPNE:
- emit_bne(cd, iptr->dst.block);
- break;
- case ICMD_IF_ICMPLT:
- emit_blt(cd, iptr->dst.block);
- break;
- case ICMD_IF_ICMPGT:
- emit_bgt(cd, iptr->dst.block);
- break;
- case ICMD_IF_ICMPLE:
- emit_ble(cd, iptr->dst.block);
- break;
- case ICMD_IF_ICMPGE:
- emit_bge(cd, iptr->dst.block);
- break;
- }
-
- break;
-
case ICMD_IF_LCMPLE: /* ..., value, value ==> ... */
case ICMD_IF_LCMPLT: /* ..., value, value ==> ... */
case ICMD_IF_LCMPGT: /* ..., value, value ==> ... */
assert(0);
}
-
if (out_ref != NULL) {
- *(u4 *)out_ref |= (u4)(cd->mcodeptr - out_ref) / 2;
+ N_BRC_BACK_PATCH(out_ref);
}
}
break;
- case ICMD_IRETURN: /* ..., retvalue ==> ... */
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
- s1 = emit_load_s1(jd, iptr, REG_RESULT);
- M_INTMOVE(s1, REG_RESULT);
- goto nowperformreturn;
-
- case ICMD_ARETURN: /* ..., retvalue ==> ... */
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
- s1 = emit_load_s1(jd, iptr, REG_RESULT);
- M_INTMOVE(s1, REG_RESULT);
-
-#ifdef ENABLE_VERIFIER
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_class *uc = iptr->sx.s23.s2.uc;
-
- PROFILE_CYCLE_STOP;
- patcher_add_patch_ref(jd, PATCHER_athrow_areturn, uc, 0);
- PROFILE_CYCLE_START;
- }
-#endif /* ENABLE_VERIFIER */
- goto nowperformreturn;
-
- case ICMD_LRETURN: /* ..., retvalue ==> ... */
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
- s1 = emit_load_s1(jd, iptr, REG_RESULT_PACKED);
- M_LNGMOVE(s1, REG_RESULT_PACKED);
- goto nowperformreturn;
-
- case ICMD_FRETURN: /* ..., retvalue ==> ... */
- case ICMD_DRETURN:
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
- s1 = emit_load_s1(jd, iptr, REG_FRESULT);
- M_FLTMOVE(s1, REG_FRESULT);
- goto nowperformreturn;
-
- case ICMD_RETURN: /* ... ==> ... */
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
-
-nowperformreturn:
- {
- s4 i, p;
-
- p = cd->stackframesize;
-
- /* call trace function */
-
-#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)) {
- /* we need to save the proper return value */
-
- switch (iptr->opc) {
- case ICMD_LRETURN:
- M_IST(REG_RESULT2, REG_SP, ((rd->memuse + 1) * 8) + 4);
- /* fall through */
- case ICMD_IRETURN:
- case ICMD_ARETURN:
- M_IST(REG_RESULT , REG_SP, (rd->memuse + 1) * 8);
- break;
- case ICMD_FRETURN:
- M_FST(REG_FRESULT, REG_SP, (rd->memuse + 1) * 8);
- break;
- case ICMD_DRETURN:
- M_DST(REG_FRESULT, REG_SP, (rd->memuse + 1) * 8);
- break;
- }
-
- M_ALD(REG_A0, REG_SP, rd->memuse * 8);
-
- disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
- M_ALD_DSEG(REG_ITMP3, disp);
-
- M_ASUB_IMM(96, REG_SP);
- M_CALL(REG_ITMP3);
- M_AADD_IMM(96, REG_SP);
-
- /* and now restore the proper return value */
-
- switch (iptr->opc) {
- case ICMD_LRETURN:
- M_ILD(REG_RESULT2, REG_SP, ((rd->memuse + 1) * 8) + 4);
- /* fall through */
- case ICMD_IRETURN:
- case ICMD_ARETURN:
- M_ILD(REG_RESULT , REG_SP, (rd->memuse + 1) * 8);
- break;
- case ICMD_FRETURN:
- M_FLD(REG_FRESULT, REG_SP, (rd->memuse + 1) * 8);
- break;
- case ICMD_DRETURN:
- M_DLD(REG_FRESULT, REG_SP, (rd->memuse + 1) * 8);
- break;
- }
- }
-#endif
-
- /* restore return address */
-
- p--; M_ALD(REG_RA, REG_SP, p * 8);
-
- /* restore saved registers */
-
- for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_ILD(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;
-
- M_RET;
- }
- break;
-
case ICMD_TABLESWITCH: /* ..., index ==> ... */
{
s4 i, l;
break;
- case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
- {
- s4 i;
- lookup_target_t *lookup;
-
- lookup = iptr->dst.lookup;
+ 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);
+ }
- i = iptr->sx.s23.s2.lookupcount;
-
- MCODECHECK(8 + ((7 + 6) * i) + 5);
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ 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);
+ }
- while (--i >= 0) {
- if (N_VALID_IMM(lookup->value)) {
- M_ICMP_IMM(s1, lookup->value);
- } else {
- ICONST(REG_ITMP2, lookup->value);
- M_ICMP(REG_ITMP2, s1);
- }
- emit_beq(cd, lookup->target.block);
- lookup++;
- }
+ /* generate the actual call */
+ M_CALL(REG_PV);
- emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
+ /* post call finalization */
+ if (bte->stub == NULL) {
+ M_AADD_IMM(96, REG_SP); /* remove C abi register save area */
}
break;
-
- case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
-
- bte = iptr->sx.s23.s3.bte;
- md = bte->md;
- goto gen_method;
-
- case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
case ICMD_INVOKESPECIAL:/* ..., objectref, [arg1, [arg2 ...]] ==> ... */
- case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
- case ICMD_INVOKEINTERFACE:
-
- REPLACEMENT_POINT_INVOKE(cd, iptr);
+ /* 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);
}
-gen_method:
- s3 = md->paramcount;
-
- MCODECHECK((s3 << 1) + 64);
-
- /* copy arguments to registers or stack location */
-
- for (s3 = s3 - 1; s3 >= 0; s3--) {
- var = VAR(iptr->sx.s23.s2.args[s3]);
-
- /* Already Preallocated? */
- if (var->flags & PREALLOC)
- continue;
-
- if (IS_INT_LNG_TYPE(var->type)) {
- if (!md->params[s3].inmemory) {
- if (IS_2_WORD_TYPE(var->type)) {
- s1 = PACK_REGS(
- GET_LOW_REG(md->params[s3].regoff),
- GET_HIGH_REG(md->params[s3].regoff)
- );
- d = emit_load(jd, iptr, var, s1);
- M_LNGMOVE(d, s1);
- }
- else {
- s1 = md->params[s3].regoff;
- d = emit_load(jd, iptr, var, s1);
- M_INTMOVE(d, s1);
- }
- }
- else {
- if (IS_2_WORD_TYPE(var->type)) {
- d = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
- M_LST(d, REG_SP, md->params[s3].regoff);
- }
- else {
- d = emit_load(jd, iptr, var, REG_ITMP1);
- M_IST(d, REG_SP, md->params[s3].regoff);
- }
- }
- }
- else {
- if (!md->params[s3].inmemory) {
- s1 = 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);
- else
- M_FST(d, REG_SP, md->params[s3].regoff);
- }
- }
+ 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:
- disp = dseg_add_functionptr(cd, bte->fp);
-
- M_ASUB_IMM(96, REG_SP); /* register save area as required by C abi */
- 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);
- }
- break;
-
- case ICMD_INVOKESPECIAL:
- /* TODO softnull */
- /* Implicit NULL pointer check */
- M_ILD(REG_ITMP1, REG_A0, 0);
-
- /* fall through */
-
- case ICMD_INVOKESTATIC:
- if (lm == NULL) {
- disp = dseg_add_unique_address(cd, um);
-
- patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
- um, disp);
- }
- else
- disp = dseg_add_address(cd, lm->stubroutine);
-
- 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);
- }
- break;
-
- case ICMD_INVOKEVIRTUAL:
- /* TODO softnull REG_A0 */
-
- if (lm == NULL) {
- patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
-
- 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_object_t, vftbl));
- M_ALD(REG_PV, REG_METHODPTR, s1);
- break;
-
- case ICMD_INVOKEINTERFACE:
- /* TODO softnull REG_A0 */
+ /* generate the actual call */
+ M_CALL(REG_PV);
+ break;
- /* s1 will be negative here, so use (0xFFF + s1) as displacement
- * and -0xFFF in index register (itmp1)
- */
+ case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
+ /* TODO softnull REG_A0 */
- if (lm == NULL) {
- patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
- s1 = 0;
- s2 = 0;
- }
- else {
- s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr*) * lm->class->index;
+ s1 = 0;
+ }
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, table[0]) +
+ sizeof(methodptr) * lm->vftblindex;
+ }
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
- }
+ /* implicit null-pointer check */
- /* Implicit null-pointer check */
- M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
- N_LHI(REG_ITMP1, s1);
- N_L(REG_METHODPTR, 0, REG_ITMP1, REG_METHODPTR);
- M_ALD(REG_PV, REG_METHODPTR, s2);
- break;
- }
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_PV, REG_METHODPTR, s1);
/* generate the actual call */
-
M_CALL(REG_PV);
- emit_restore_pv(cd);
-
- /* post call finalization */
-
- switch (iptr->opc) {
- case ICMD_BUILTIN:
- M_AADD_IMM(96, REG_SP); /* remove C abi register save area */
- emit_exception_check(cd, iptr); /* check for exception */
- break;
- }
-
- /* generate method profiling code */
+ break;
- PROFILE_CYCLE_START;
+ case ICMD_INVOKEINTERFACE:
+ /* TODO softnull REG_A0 */
- /* store size of call code in replacement point */
+ /* s1 will be negative here, so use (0xFFF + s1) as displacement
+ * and -0xFFF in index register (itmp1)
+ */
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
-
- /* store return value */
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
- d = md->returntype.type;
+ s1 = 0;
+ s2 = 0;
+ }
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, interfacetable[0]) -
+ sizeof(methodptr*) * lm->clazz->index;
- if (d != TYPE_VOID) {
- if (IS_INT_LNG_TYPE(d)) {
- if (IS_2_WORD_TYPE(d)) {
- s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT_PACKED);
- M_LNGMOVE(REG_RESULT_PACKED, s1);
- }
- else {
- 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);
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
}
- break;
+ /* 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);
+ /* generate the actual call */
+ M_CALL(REG_PV);
+ break;
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
supervftbl = super->vftbl;
}
- if ((super == NULL) || !(super->flags & ACC_INTERFACE))
- CODEGEN_CRITICAL_SECTION_NEW;
-
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
/* if class is not resolved, check which code to call */
iptr->sx.s23.s3.c.ref,
disp);
- ICONST(REG_ITMP2, ACC_INTERFACE);
+ ICONST(REG_ITMP3, ACC_INTERFACE);
+
if (N_VALID_DSEG_DISP(disp)) {
- N_N(REG_ITMP2, N_DSEG_DISP(disp), RN, REG_PV);
+ N_N(REG_ITMP3, N_DSEG_DISP(disp), RN, REG_PV);
} else {
- ICONST(REG_ITMP3, disp);
- N_N(REG_ITMP2, -N_PV_OFFSET, REG_ITMP3, REG_PV);
+ ICONST(REG_ITMP2, disp);
+ N_N(REG_ITMP3, -N_PV_OFFSET, REG_ITMP2, REG_PV);
}
emit_label_beq(cd, LABEL_CLASS);
}
emit_label_beq(cd, LABEL_EXIT_CLASS_NULL);
}
+#if 1
+ /* REG_ITMP3 := baseval(s1) */
M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
- M_ALD_DSEG(REG_ITMP3, disp);
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
+
+ /* REG_ITMP2 := baseval(class) */
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
- CODEGEN_CRITICAL_SECTION_START;
+ /* 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_ALD_DSEG(REG_ITMP3, disp);
M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
- CODEGEN_CRITICAL_SECTION_END;
-
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
emit_classcast_check(cd, iptr, BRANCH_GT, RN, s1);
}
# define LABEL_EXIT_INTERFACE_DONE BRANCH_LABEL_5
# define LABEL_EXIT_CLASS_NULL BRANCH_LABEL_6
- if ((super == NULL) || !(super->flags & ACC_INTERFACE))
- CODEGEN_CRITICAL_SECTION_NEW;
-
- s1 = emit_load_s1_notzero(jd, iptr, REG_ITMP1);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if (s1 == d) {
M_MOV(s1, REG_ITMP1);
patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, disp);
- ICONST(REG_ITMP2, ACC_INTERFACE);
+ ICONST(REG_ITMP3, ACC_INTERFACE);
if (N_VALID_DSEG_DISP(disp)) {
- N_N(REG_ITMP2, N_DSEG_DISP(disp), RN, REG_PV);
+ N_N(REG_ITMP3, N_DSEG_DISP(disp), RN, REG_PV);
} else {
- ICONST(REG_ITMP3, disp);
- N_N(REG_ITMP2, -N_PV_OFFSET, REG_ITMP3, REG_PV);
+ ICONST(REG_ITMP2, disp);
+ N_N(REG_ITMP3, -N_PV_OFFSET, REG_ITMP2, REG_PV);
}
emit_label_beq(cd, LABEL_CLASS);
M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ALD_DSEG(REG_ITMP2, disp);
- CODEGEN_CRITICAL_SECTION_START;
-
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));
- CODEGEN_CRITICAL_SECTION_END;
-
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 */
break;
default:
- exceptions_throw_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_patcher_traps(jd);
-
- /* everything's ok */
-
- return true;
-}
-
-
-/* codegen_emit_stub_compiler **************************************************
-
- Emits a stub routine which calls the compiler.
-
-*******************************************************************************/
-
-void codegen_emit_stub_compiler(jitdata *jd)
-{
- methodinfo *m;
- codegendata *cd;
-
- /* get required compiler data */
-
- m = jd->m;
- cd = jd->cd;
-
- /* code for the stub */
-
- /* don't touch ITMP3 as it cointains the return address */
-
- M_AADD_IMM(N_PV_OFFSET, REG_PV); /* suppress negative displacements */
-
- M_ILD_DSEG(REG_ITMP1, -2 * SIZEOF_VOID_P); /* methodinfo */
- /* TODO where is methodpointer loaded into itmp2? is it already inside? */
- M_ILD_DSEG(REG_PV, -3 * SIZEOF_VOID_P); /* compiler pointer */
- N_BR(REG_PV);
}
SP after method entry
*/
-void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
+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 */
+ /* calculate stackframe size */
+
+ 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) + 7) / 8) +
- ((sizeof(localref_table) + 7) / 8) +
- 1 + /* itmp3 */
- (INT_ARG_CNT + FLT_ARG_CNT) +
- nmd->memuse + /* parameter passing */
- (96 / 8) /* 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 stub code */
+ /* generate code */
- N_AHI(REG_SP, -(cd->stackframesize * 8));
- N_AHI(REG_PV, N_PV_OFFSET);
+ M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
+ M_AADD_IMM(N_PV_OFFSET, REG_PV);
- /* generate native method profiling code */
+ /* store return address */
-#if defined(ENABLE_PROFILING)
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
- M_ALD_DSEG(REG_ITMP1, CodeinfoPointer);
- ICONST(REG_ITMP2, 1);
- N_AL(REG_ITMP2, OFFSET(codeinfo, frequency), RN, REG_ITMP1);
- M_IST(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
- }
-#endif
+ M_AST(REG_RA, REG_SP, (cd->stackframesize - 1) * 8);
- /* save return address */
+#if defined(ENABLE_GC_CACAO)
+ /* Save callee saved integer registers in stackframeinfo (GC may
+ need to recover them during a collection). */
- N_ST(R14, (cd->stackframesize - 1) * 8, RN, REG_SP);
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
#endif
- /* get function address (this must happen before the stackframeinfo) */
-
- disp = dseg_add_functionptr(cd, f);
-
- if (f == NULL)
- patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, disp);
-
- M_ILD_DSEG(REG_ITMP1, disp);
-
- j = 96 + (nmd->memuse * 8);
-
- /* 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;
- t = md->paramtypes[i].type;
- if (IS_INT_LNG_TYPE(t)) {
- if (IS_2_WORD_TYPE(t)) {
- /* todo store multiple */
- N_ST(GET_HIGH_REG(s1), j, RN, REG_SP);
- N_ST(GET_LOW_REG(s1), j + 4, RN, REG_SP);
- } else {
- N_ST(s1, j, RN, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_STD(s1, j, RN, REG_SP);
- } else {
- N_STE(s1, j, RN, 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_ITMP1, j, RN, REG_SP);
-
- /* create dynamic stack info */
-
- N_MOV(REG_SP, REG_A0); /* currentsp */
- N_LA(REG_A1, -N_PV_OFFSET, RN, REG_PV); /* pv */
+ /* 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);
- M_ILD_DSEG(REG_ITMP1, disp);
-
- M_CALL(REG_ITMP1); /* call */
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_CALL(REG_ITMP2);
/* remember class argument */
if (m->flags & ACC_STATIC)
- N_LR(REG_ITMP3, REG_RESULT);
+ M_MOV(REG_RESULT, REG_ITMP3);
/* restore integer and float argument registers */
- j = 96 + (nmd->memuse * 8);
-
for (i = 0; i < md->paramcount; i++) {
- if (! md->params[i].inmemory) {
+ if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- t = md->paramtypes[i].type;
- if (IS_INT_LNG_TYPE(t)) {
- if (IS_2_WORD_TYPE(t)) {
- /* todo load multiple ! */
- N_L(GET_HIGH_REG(s1), j, RN, REG_SP);
- N_L(GET_LOW_REG(s1), j + 4, RN, REG_SP);
- } else {
- N_L(s1, j, RN, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_LD(s1, j, RN, REG_SP);
- } else {
- N_LE(s1, j, RN, 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_ITMP1, j, RN, 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 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
if (!nmd->params[j].inmemory) {
- s2 = nmd->params[j].regoff;
- if (IS_2_WORD_TYPE(t)) {
- N_LR(
- GET_LOW_REG(s2),
- GET_LOW_REG(s1)
- );
- N_LR(
- GET_HIGH_REG(s2),
- GET_HIGH_REG(s1)
- );
- } else {
- N_LR(
- s2,
- s1
- );
- }
- } else {
- s2 = nmd->params[j].regoff;
- if (IS_2_WORD_TYPE(t)) {
- N_STM(
- GET_HIGH_REG(s1),
- GET_LOW_REG(s1),
- 96 + s2, REG_SP
- );
- } else {
- N_ST(
- s1,
- 96 + s2, RN, REG_SP
- );
- }
+ if (IS_2_WORD_TYPE(t))
+ M_LNGMOVE(s1, s2);
+ else
+ M_INTMOVE(s1, s2);
}
-
- } else {
- s1 = cd->stackframesize * 8 + md->params[i].regoff;
+ 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, 8, REG_SP, s1, REG_SP);
+ N_MVC(s2, 8, REG_SP, s1, REG_SP);
} else {
- N_MVC(96 + s2, 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 = cd->stackframesize * 8 + md->params[i].regoff;
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
if (IS_2_WORD_TYPE(t)) {
- N_MVC(96 + s2, 8, REG_SP, s1, REG_SP);
+ N_MVC(s2, 8, REG_SP, s1, REG_SP);
} else {
- N_MVC(96 + s2, 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)
- M_MOV(REG_ITMP3, REG_A1);
+ 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);
- M_ILD_DSEG(REG_A0, disp);
+ /* 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_ITMP1); /* 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, RN, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_STD(REG_FRESULT, 96, RN, REG_SP);
- } else {
- N_STE(REG_FRESULT, 96, RN, 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 !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
-#endif
-
/* remove native stackframe info */
- N_LAE(REG_A0, (cd->stackframesize - 1) * 8, RN, REG_SP); /* datasp */
+ M_MOV(REG_SP, REG_A0);
+ M_LDA(REG_A1, REG_PV, -N_PV_OFFSET);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
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, RN, REG_SP);
- }
- } else {
- if (IS_2_WORD_TYPE(t)) {
- N_LD(REG_FRESULT, 96, RN, REG_SP);
- } else {
- N_LE(REG_FRESULT, 96, RN, 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;
}
+#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);
+
+ for (i = 0; i < INT_SAV_CNT; i++)
+ M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
+#endif
+
/* load return address */
-
- N_L(REG_ITMP2, (cd->stackframesize - 1) * 8, RN, REG_SP);
- /* remove stackframe */
+ M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8);
- N_AHI(REG_SP, cd->stackframesize * 8);
+ /* remove stackframe */
- /* test for exception */
+ M_AADD_IMM(cd->stackframesize * 8, REG_SP);
- N_LTR(REG_ITMP3, REG_ITMP3);
- N_BRC(DD_NE, SZ_BRC + SZ_BCR);
+ /* check for exception */
- /* return */
+ M_TEST(REG_ITMP1_XPTR);
+ M_BNE(SZ_BRC + SZ_BCR); /* if no exception then return */
- N_BCR(DD_ANY, REG_ITMP2);
+ M_RET;
/* handle exception */
- M_MOV(REG_ITMP3, REG_ITMP1_XPTR);
- M_MOV(REG_ITMP2, REG_ITMP2_XPC); /* get return address from stack */
-
-#if 0
- /* TODO */
- M_ASUB_IMM(3, REG_ITMP2_XPC); /* callq */
-#endif
+ M_MOV(REG_RA, REG_ITMP2_XPC);
+ M_ASUB_IMM(2, REG_ITMP2_XPC);
disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
- M_ALD_DSEG(REG_ITMP3, disp);
- M_JMP(RN, REG_ITMP3);
-
- /* generate patcher stubs */
-
- emit_patcher_traps(jd);
-}
-
-s4 codegen_reg_of_dst_notzero(jitdata *jd, instruction *iptr, s4 tempregnum) {
- codegendata *cd = jd->cd;
- s4 reg = codegen_reg_of_dst(jd, iptr, tempregnum);
- if (reg == 0) {
- M_MOV(reg, tempregnum);
- return tempregnum;
- } else {
- return reg;
- }
+ M_ALD_DSEG(REG_ITMP2, disp);
+ M_JMP(RN, REG_ITMP2);
}
/*
projects / cacao.git / blobdiff