/* src/vm/jit/powerpc/codegen.c - machine code generator for 32-bit PowerPC
- 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
+ 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.
- $Id: codegen.c 8321 2007-08-16 11:37:25Z michi $
-
*/
#include "vm/jit/powerpc/arch.h"
#include "vm/jit/powerpc/codegen.h"
-#include "mm/memory.h"
+#include "mm/memory.hpp"
-#include "native/localref.h"
-#include "native/native.h"
+#include "native/localref.hpp"
+#include "native/native.hpp"
-#include "threads/lock-common.h"
+#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/stringlocal.h"
-#include "vm/vm.h"
+#include "vm/loader.hpp"
+#include "vm/options.h"
+#include "vm/vm.hpp"
#include "vm/jit/abi.h"
#include "vm/jit/abi-asm.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/md.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/stacktrace.h"
-
-#if defined(ENABLE_LSRA)
-# include "vm/jit/allocator/lsra.h"
-#endif
-
-#include "vmcore/loader.h"
-#include "vmcore/options.h"
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.hpp"
-/* codegen *********************************************************************
-
- Generates machine code.
-
-*******************************************************************************/
-
-bool codegen_emit(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;
- ptrint a;
- varinfo *var;
- basicblock *bptr;
- instruction *iptr;
- exception_entry *ex;
- u2 currentline;
- methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
- unresolved_method *um;
- builtintable_entry *bte;
- methoddesc *md;
- fieldinfo *fi;
- unresolved_field *uf;
- s4 fieldtype;
- s4 varindex;
-
- /* get required compiler data */
-
- m = jd->m;
- code = jd->code;
- cd = jd->cd;
- rd = jd->rd;
-
- /* prevent compiler warnings */
-
- d = 0;
- fieldtype = 0;
- lm = NULL;
- um = NULL;
- uf = 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;
-
-#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 on PPC,
- since both values reside in R3. */
-
- if (checksync && (m->flags & ACC_SYNCHRONIZED))
- cd->stackframesize += 2;
-#endif
-
- /* create method header */
-
- /* align stack to 16-bytes */
-
- if (!jd->isleafmethod || JITDATA_HAS_FLAG_VERBOSECALL(jd))
- ALIGN_2(cd->stackframesize);
-
- else if (jd->isleafmethod && (cd->stackframesize == LA_SIZE_IN_POINTERS))
- cd->stackframesize = 0;
-
- (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 */
-
- 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);
- }
-
-#if defined(ENABLE_PROFILING)
- /* generate method profiling code */
-
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
-
- M_ALD(REG_ITMP1, REG_PV, CodeinfoPointer);
- M_ALD(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
- M_IADD_IMM(REG_ITMP2, 1, REG_ITMP2);
- M_AST(REG_ITMP2, REG_ITMP1, OFFSET(codeinfo, frequency));
-
-/* PROFILE_CYCLE_START; */
- }
-#endif
+ varinfo* var;
+ methoddesc* md;
+ int32_t s1;
+ 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;
/* create stack frame (if necessary) */
- if (!jd->isleafmethod) {
+ if (!code_is_leafmethod(code)) {
M_MFLR(REG_ZERO);
M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
}
else {
if (!md->params[p].inmemory) {
if (!IS_INMEMORY(var->flags))
- M_FLTMOVE(s1, var->vv.regoff);
+ emit_fmove(cd, s1, var->vv.regoff);
else
M_DST(s1, REG_SP, var->vv.regoff);
}
}
}
}
+}
-#if defined(ENABLE_THREADS)
- /* call monitorenter function */
-
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- /* stack offset for monitor argument */
-
- s1 = rd->memuse;
-
-# if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
- M_AADD_IMM(REG_SP, -((LA_SIZE_IN_POINTERS + ARG_CNT) * 8), REG_SP);
-
- for (p = 0; p < INT_ARG_CNT; p++)
- M_IST(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
-
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
-
- s1 += LA_SIZE_IN_POINTERS + ARG_CNT;
- }
-# endif
-
- disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_MTCTR(REG_ITMP3);
- /* get or test the lock object */
+/**
+ * Generates machine code for the method epilog.
+ */
+void codegen_emit_epilog(jitdata* jd)
+{
+ int32_t p;
+ int i;
- if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, &m->class->object.header);
- M_ALD(REG_A0, REG_PV, disp);
- }
- else {
- M_TST(REG_A0);
- M_BNE(1);
- M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
- }
+ // Get required compiler data.
+ codeinfo* code = jd->code;
+ codegendata* cd = jd->cd;
+ registerdata* rd = jd->rd;
- M_AST(REG_A0, REG_SP, s1 * 8);
- M_JSR;
+ p = cd->stackframesize;
-# if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
- for (p = 0; p < INT_ARG_CNT; p++)
- M_ILD(abi_registers_integer_argument[p], REG_SP, LA_SIZE + p * 8);
+ /* restore return address */
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(abi_registers_float_argument[p], REG_SP, LA_SIZE + (INT_ARG_CNT + p) * 8);
+ if (!code_is_leafmethod(code)) {
+ /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
+ may have a displacement overflow. */
- M_AADD_IMM(REG_SP, (LA_SIZE_IN_POINTERS + ARG_CNT) * 8, REG_SP);
- }
-# endif
+ M_ALD(REG_ITMP1, REG_SP, p * 8 + LA_LR_OFFSET);
+ M_MTLR(REG_ITMP1);
}
-#endif /* defined(ENABLE_THREADS) */
- /* call trace function */
+ /* restore saved registers */
- emit_verbosecall_enter(jd);
+ 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);
}
- /* 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 = (s4) (cd->mcodeptr - cd->mcodebase);
-
- if (bptr->flags >= BBREACHED) {
- /* branch resolving */
-
- codegen_resolve_branchrefs(cd, bptr);
-
- /* handle replacement points */
-
- REPLACEMENT_POINT_BLOCK_START(cd, bptr);
-
-#if defined(ENABLE_PROFILING)
- /* generate basicblock profiling code */
-
- if (JITDATA_HAS_FLAG_INSTRUMENT(jd)) {
- /* count frequency */
-
- disp = dseg_add_address(cd, code->bbfrequency);
- M_ALD(REG_ITMP2, REG_PV, disp);
- M_ALD(REG_ITMP3, REG_ITMP2, bptr->nr * 4);
- M_IADD_IMM(REG_ITMP3, 1, REG_ITMP3);
- M_AST(REG_ITMP3, REG_ITMP2, bptr->nr * 4);
-
- /* if this is an exception handler, start profiling again */
-
-/* if (bptr->type == BBTYPE_EXH) */
-/* PROFILE_CYCLE_START; */
- }
-#endif
-
- /* copy interface registers to their destination */
-
- len = bptr->indepth;
- MCODECHECK(64+len);
-
-#if defined(ENABLE_LSRA)
- if (opt_lsra) {
- while (src != NULL) {
- len--;
- if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
- /* d = reg_of_var(m, 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);
- }
- src = src->prev;
- }
- } else {
-#endif
- while (len > 0) {
- len--;
- var = VAR(bptr->invars[len]);
- if ((len == bptr->indepth-1) && (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(64); /* an instruction usually needs < 64 words */
-
- 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:
-
- REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
- dseg_addlinenumber_inline_start(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
- break;
+ /* deallocate stack */
- case ICMD_INLINE_END:
+ if (cd->stackframesize)
+ M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
- dseg_addlinenumber_inline_end(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
- break;
+ M_RET;
+}
- 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;
+ int32_t disp;
+
+ // Get required compiler data.
+ codeinfo* code = jd->code;
+ codegendata* cd = jd->cd;
+
+ /* the big switch */
+ 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);
- a = dseg_add_float(cd, iptr->sx.val.f);
- M_FLD(d, REG_PV, a);
+ disp = dseg_add_float(cd, iptr->sx.val.f);
+ M_FLD(d, REG_PV, disp);
emit_store_dst(jd, iptr, d);
break;
case ICMD_DCONST: /* ... ==> ..., constant */
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- a = dseg_add_double(cd, iptr->sx.val.d);
- M_DLD(d, REG_PV, a);
+ disp = dseg_add_double(cd, iptr->sx.val.d);
+ M_DLD(d, REG_PV, disp);
emit_store_dst(jd, iptr, d);
break;
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 */
s2 = emit_load_s2(jd, iptr, REG_A2_A3_PACKED);
/* XXX TODO: only do this if arithmetic check is really done! */
- M_OR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
+ M_IOR_TST(GET_HIGH_REG(s2), GET_LOW_REG(s2), REG_ITMP3);
/* XXX could be optimized */
emit_arithmetic_check(cd, 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_ITMP2);
- M_AND_IMM(s2, 0x1f, REG_ITMP3);
+ M_IAND_IMM(s2, 0x1f, REG_ITMP3);
M_SLL(s1, REG_ITMP3, d);
emit_store_dst(jd, iptr, d);
break;
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_AND_IMM(s2, 0x1f, REG_ITMP3);
+ M_IAND_IMM(s2, 0x1f, REG_ITMP3);
M_SRA(s1, REG_ITMP3, d);
emit_store_dst(jd, iptr, d);
break;
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_AND_IMM(s2, 0x1f, REG_ITMP2);
+ M_IAND_IMM(s2, 0x1f, REG_ITMP2);
M_SRL(s1, REG_ITMP2, d);
emit_store_dst(jd, iptr, d);
break;
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_AND(s1, s2, d);
+ M_IAND(s1, s2, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
- M_AND_IMM(s1, iptr->sx.val.i, d);
+ M_IAND_IMM(s1, iptr->sx.val.i, d);
/*
else if (iptr->sx.val.i == 0xffffff) {
M_RLWINM(s1, 0, 8, 31, d);
*/
else {
ICONST(REG_ITMP3, iptr->sx.val.i);
- M_AND(s1, REG_ITMP3, d);
+ M_IAND(s1, REG_ITMP3, d);
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- M_AND(s1, s2, GET_LOW_REG(d));
+ M_IAND(s1, s2, GET_LOW_REG(d));
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
- M_AND(s1, s2, GET_HIGH_REG(d));
+ M_IAND(s1, s2, GET_HIGH_REG(d));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
if ((s3 >= 0) && (s3 <= 65535))
- M_AND_IMM(s1, s3, GET_LOW_REG(d));
+ M_IAND_IMM(s1, s3, GET_LOW_REG(d));
else {
ICONST(REG_ITMP3, s3);
- M_AND(s1, REG_ITMP3, GET_LOW_REG(d));
+ M_IAND(s1, REG_ITMP3, GET_LOW_REG(d));
}
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s3 = iptr->sx.val.l >> 32;
if ((s3 >= 0) && (s3 <= 65535))
- M_AND_IMM(s1, s3, GET_HIGH_REG(d));
+ M_IAND_IMM(s1, s3, GET_HIGH_REG(d));
else {
ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
- M_AND(s1, REG_ITMP3, GET_HIGH_REG(d));
+ M_IAND(s1, REG_ITMP3, GET_HIGH_REG(d));
}
emit_store_dst(jd, iptr, d);
break;
M_BGE(1 + 2*(iptr->sx.val.i >= 32768));
if (iptr->sx.val.i >= 32768) {
M_ADDIS(REG_ZERO, iptr->sx.val.i >> 16, REG_ITMP2);
- M_OR_IMM(REG_ITMP2, iptr->sx.val.i, REG_ITMP2);
+ M_IOR_IMM(REG_ITMP2, iptr->sx.val.i, REG_ITMP2);
M_IADD(s1, REG_ITMP2, REG_ITMP2);
}
else {
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_OR(s1, s2, d);
+ M_IOR(s1, s2, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if ((iptr->sx.val.i >= 0) && (iptr->sx.val.i <= 65535))
- M_OR_IMM(s1, iptr->sx.val.i, d);
+ M_IOR_IMM(s1, iptr->sx.val.i, d);
else {
ICONST(REG_ITMP3, iptr->sx.val.i);
- M_OR(s1, REG_ITMP3, d);
+ M_IOR(s1, REG_ITMP3, d);
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_low(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- M_OR(s1, s2, GET_LOW_REG(d));
+ M_IOR(s1, s2, GET_LOW_REG(d));
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s2 = emit_load_s2_high(jd, iptr, REG_ITMP3);/* don't use REG_ITMP2*/
- M_OR(s1, s2, GET_HIGH_REG(d));
+ M_IOR(s1, s2, GET_HIGH_REG(d));
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
if ((s3 >= 0) && (s3 <= 65535))
- M_OR_IMM(s1, s3, GET_LOW_REG(d));
+ M_IOR_IMM(s1, s3, GET_LOW_REG(d));
else {
ICONST(REG_ITMP3, s3);
- M_OR(s1, REG_ITMP3, GET_LOW_REG(d));
+ M_IOR(s1, REG_ITMP3, GET_LOW_REG(d));
}
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
s3 = iptr->sx.val.l >> 32;
if ((s3 >= 0) && (s3 <= 65535))
- M_OR_IMM(s1, s3, GET_HIGH_REG(d));
+ M_IOR_IMM(s1, s3, GET_HIGH_REG(d));
else {
ICONST(REG_ITMP3, s3); /* don't use REG_ITMP2 */
- M_OR(s1, REG_ITMP3, GET_HIGH_REG(d));
+ M_IOR(s1, REG_ITMP3, GET_HIGH_REG(d));
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- M_FLTMOVE(s1, d);
+ emit_fmove(cd, s1, d);
emit_store_dst(jd, iptr, d);
break;
case ICMD_FCMPL: /* ..., val1, val2 ==> ..., val1 fcmpg val2 */
case ICMD_DCMPL: /* == => 0, < => 1, > => -1 */
-
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
emit_store_dst(jd, iptr, d);
break;
- case ICMD_IF_FCMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPEQ:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- emit_beq(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPNE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- emit_bnan(cd, iptr->dst.block);
- emit_bne(cd, iptr->dst.block);
- break;
-
-
- case ICMD_IF_FCMPL_LT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_LT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- emit_bnan(cd, iptr->dst.block);
- emit_blt(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_GT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- emit_bgt(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_LE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- emit_bnan(cd, iptr->dst.block);
- emit_ble(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_GE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- emit_bge(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_LT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_LT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- emit_blt(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_GT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_GT:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- emit_bnan(cd, iptr->dst.block);
- emit_bgt(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_LE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_LE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- emit_ble(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_FCMPG_GE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPG_GE:
-
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- emit_bnan(cd, iptr->dst.block);
- emit_bge(cd, iptr->dst.block);
- break;
-
/* memory operations **************************************************/
- case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- /* 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(jd, iptr, REG_ITMP1);
s3 = emit_load_s3(jd, iptr, REG_A1);
/* XXX what if array is NULL */
- disp = dseg_add_functionptr(cd, BUILTIN_canstore);
+ disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_INTMOVE(s3, REG_A1);
M_JSR;
- emit_exception_check(cd, iptr);
+ emit_arraystore_check(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_STWX(s3, s1, REG_ITMP2);
break;
-
+#if 0
case ICMD_GETSTATIC: /* ... ==> ..., value */
+ case TYPE_LNG:
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
+ M_ILD_INTERN(GET_LOW_REG(d), REG_ITMP1, 4);/* keep this order */
+ M_ILD_INTERN(GET_HIGH_REG(d), REG_ITMP1, 0);/*keep this order */
+ break;
+ break;
+#endif
+
+ case ICMD_GETFIELD: /* ... ==> ..., value */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, uf);
+ disp = 0;
- patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+ 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))
- patcher_add_patch_ref(jd, PATCHER_initialize_class,
- fi->class, disp);
- }
+ disp = fi->offset;
+ }
- M_ALD(REG_ITMP1, REG_PV, disp);
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ILD_INTERN(d, REG_ITMP1, 0);
+ M_ILD(d, s1, disp);
break;
case TYPE_LNG:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_PACKED);
- M_ILD_INTERN(GET_LOW_REG(d), REG_ITMP1, 4);/* keep this order */
- M_ILD_INTERN(GET_HIGH_REG(d), REG_ITMP1, 0);/*keep this order */
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP12_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_HIGH_REG(d), s1, disp);
+ M_ILD(GET_LOW_REG(d), s1, disp + 4);
+ }
break;
case TYPE_ADR:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ALD_INTERN(d, REG_ITMP1, 0);
+ M_ALD(d, s1, disp);
break;
case TYPE_FLT:
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD_INTERN(d, REG_ITMP1, 0);
+ M_FLD(d, s1, disp);
break;
case TYPE_DBL:
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD_INTERN(d, REG_ITMP1, 0);
+ M_DLD(d, s1, disp);
break;
}
emit_store_dst(jd, iptr, d);
break;
- case ICMD_PUTSTATIC: /* ..., value ==> ... */
+ case ICMD_PUTFIELD: /* ..., value ==> ... */
+
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
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);
+ disp = 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))
- patcher_add_patch_ref(jd, PATCHER_initialize_class,
- fi->class, disp);
- }
-
- M_ALD(REG_ITMP1, REG_PV, disp);
- switch (fieldtype) {
- case TYPE_INT:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_IST_INTERN(s1, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- s1 = emit_load_s1(jd, iptr, REG_ITMP23_PACKED);
- M_LST_INTERN(s1, REG_ITMP1, 0);
- break;
- case TYPE_ADR:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_AST_INTERN(s1, REG_ITMP1, 0);
- break;
- case TYPE_FLT:
- s1 = emit_load_s1(jd, iptr, REG_FTMP2);
- M_FST_INTERN(s1, REG_ITMP1, 0);
- break;
- case TYPE_DBL:
- s1 = emit_load_s1(jd, iptr, REG_FTMP2);
- M_DST_INTERN(s1, REG_ITMP1, 0);
- break;
- }
- break;
-
-
- case ICMD_GETFIELD: /* ... ==> ..., value */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
-
- 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;
- }
-
- /* implicit null-pointer check */
- 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_ITMP12_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_HIGH_REG(d), s1, disp);
- M_ILD(GET_LOW_REG(d), s1, disp + 4);
- }
- 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: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
-
- 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;
- }
+ disp = fi->offset;
+ }
if (IS_INT_LNG_TYPE(fieldtype)) {
if (IS_2_WORD_TYPE(fieldtype))
case ICMD_ATHROW: /* ..., objectref ==> ... (, objectref) */
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- M_INTMOVE(s1, REG_ITMP1_XPTR);
-
-#ifdef ENABLE_VERIFIER
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_class *uc = iptr->sx.s23.s2.uc;
-
- patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
- }
-#endif /* ENABLE_VERIFIER */
-
disp = dseg_add_functionptr(cd, asm_handle_exception);
M_ALD(REG_ITMP2, REG_PV, disp);
M_MTCTR(REG_ITMP2);
- if (jd->isleafmethod)
+ if (code_is_leafmethod(code))
M_MFLR(REG_ITMP3); /* save LR */
M_BL(0); /* get current PC */
M_MFLR(REG_ITMP2_XPC);
- if (jd->isleafmethod)
+ if (code_is_leafmethod(code))
M_MTLR(REG_ITMP3); /* restore LR */
M_RTS; /* jump to CTR */
- ALIGNCODENOP;
- break;
-
- case ICMD_GOTO: /* ... ==> ... */
- case ICMD_RET: /* ... ==> ... */
-
- emit_br(cd, iptr->dst.block);
- ALIGNCODENOP;
- break;
-
- case ICMD_JSR: /* ... ==> ... */
-
- emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
- ALIGNCODENOP;
break;
case ICMD_IFNULL: /* ..., value ==> ... */
emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, BRANCH_OPT_NONE);
break;
- case ICMD_IFLT:
- case ICMD_IFLE:
- case ICMD_IFNE:
- case ICMD_IFGT:
- case ICMD_IFGE:
- case ICMD_IFEQ: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if ((iptr->sx.val.i >= -32768) && (iptr->sx.val.i <= 32767))
- M_CMPI(s1, iptr->sx.val.i);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMP(s1, REG_ITMP2);
- }
- emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
- break;
-
-
case ICMD_IF_LEQ: /* ..., value ==> ... */
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
if (iptr->sx.val.l == 0) {
- M_OR_TST(s1, s2, REG_ITMP3);
+ M_IOR_TST(s1, s2, REG_ITMP3);
}
else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
M_XOR_IMM(s2, 0, REG_ITMP2);
M_XOR_IMM(s1, iptr->sx.val.l & 0xffff, REG_ITMP1);
- M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
+ M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
}
else {
ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
M_XOR(s1, REG_ITMP3, REG_ITMP1);
ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
M_XOR(s2, REG_ITMP3, REG_ITMP2);
- M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
+ M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
}
emit_beq(cd, iptr->dst.block);
break;
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
/* if (iptr->sx.val.l == 0) { */
-/* M_OR(s1, s2, REG_ITMP3); */
+/* M_IOR(s1, s2, REG_ITMP3); */
/* M_CMPI(REG_ITMP3, 0); */
/* } else */
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
if (iptr->sx.val.l == 0) {
- M_OR_TST(s1, s2, REG_ITMP3);
+ M_IOR_TST(s1, s2, REG_ITMP3);
}
else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
M_XOR_IMM(s2, 0, REG_ITMP2);
M_XOR_IMM(s1, iptr->sx.val.l & 0xffff, REG_ITMP1);
- M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
+ M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
}
else {
ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
M_XOR(s1, REG_ITMP3, REG_ITMP1);
ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
M_XOR(s2, REG_ITMP3, REG_ITMP2);
- M_OR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
+ M_IOR_TST(REG_ITMP1, REG_ITMP2, REG_ITMP3);
}
emit_bne(cd, iptr->dst.block);
break;
s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
s2 = emit_load_s1_high(jd, iptr, REG_ITMP2);
/* if (iptr->sx.val.l == 0) { */
-/* M_OR(s1, s2, REG_ITMP3); */
+/* M_IOR(s1, s2, REG_ITMP3); */
/* M_CMPI(REG_ITMP3, 0); */
/* } else */
}
break;
- case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
- case ICMD_IF_ICMPNE:
- case ICMD_IF_ICMPLT:
- case ICMD_IF_ICMPGT:
- case ICMD_IF_ICMPLE:
- case ICMD_IF_ICMPGE:
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_CMP(s1, s2);
- emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ICMPEQ, BRANCH_OPT_NONE);
- break;
-
- case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
- case ICMD_IF_ACMPNE:
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- M_CMP(s1, s2);
- emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IF_ACMPEQ, BRANCH_OPT_NONE);
- break;
-
case ICMD_IF_LCMPEQ: /* ..., value, value ==> ... */
s1 = emit_load_s1_high(jd, iptr, REG_ITMP1);
emit_label(cd, BRANCH_LABEL_1);
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;
-
- patcher_add_patch_ref(jd, PATCHER_resolve_class, uc, 0);
- }
-#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 */
-
- emit_verbosecall_exit(jd);
-
-#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_MTCTR(REG_ITMP3);
-
- /* we need to save the proper return value */
-
- switch (iptr->opc) {
- case ICMD_LRETURN:
- M_IST(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
- /* fall through */
- case ICMD_IRETURN:
- case ICMD_ARETURN:
- M_IST(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
- break;
- case ICMD_FRETURN:
- case ICMD_DRETURN:
- M_DST(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
- break;
- }
-
- M_ALD(REG_A0, REG_SP, rd->memuse * 8);
- M_JSR;
-
- /* and now restore the proper return value */
-
- switch (iptr->opc) {
- case ICMD_LRETURN:
- M_ILD(REG_RESULT2, REG_SP, rd->memuse * 8 + 8);
- /* fall through */
- case ICMD_IRETURN:
- case ICMD_ARETURN:
- M_ILD(REG_RESULT , REG_SP, rd->memuse * 8 + 4);
- break;
- case ICMD_FRETURN:
- case ICMD_DRETURN:
- M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8 + 4);
- break;
- }
- }
-#endif
-
- /* restore return address */
-
- if (!jd->isleafmethod) {
- /* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
- may have a displacement overflow. */
-
- M_ALD(REG_ITMP1, REG_SP, p * 8 + LA_LR_OFFSET);
- M_MTLR(REG_ITMP1);
- }
-
- /* 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_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
-
- M_RET;
- ALIGNCODENOP;
- }
- break;
-
-
case ICMD_TABLESWITCH: /* ..., index ==> ... */
{
s4 i, l;
break;
- case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
- {
- s4 i;
- lookup_target_t *lookup;
+ case ICMD_BUILTIN: /* ..., [arg1, [arg2 ...]] ==> ... */
+ bte = iptr->sx.s23.s3.bte;
+ if (bte->stub == NULL)
+ disp = dseg_add_functionptr(cd, bte->fp);
+ else
+ disp = dseg_add_functionptr(cd, bte->stub);
- lookup = iptr->dst.lookup;
+ M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
- i = iptr->sx.s23.s2.lookupcount;
-
- MCODECHECK((i<<2)+8);
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
-
- while (--i >= 0) {
- if ((lookup->value >= -32768) && (lookup->value <= 32767)) {
- M_CMPI(s1, lookup->value);
- }
- else {
- disp = dseg_add_s4(cd, lookup->value);
- M_ILD(REG_ITMP2, REG_PV, disp);
- M_CMP(s1, REG_ITMP2);
- }
- emit_beq(cd, lookup->target.block);
- lookup++;
- }
+ /* generate the actual call */
- emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
- ALIGNCODENOP;
+ M_MTCTR(REG_PV);
+ M_JSR;
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);
+ emit_nullpointer_check(cd, iptr, REG_A0);
+ /* 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;
+ M_ALD(REG_PV, REG_PV, disp);
- MCODECHECK((s3 << 1) + 64);
+ /* generate the actual call */
- /* copy arguments to registers or stack location */
+ M_MTCTR(REG_PV);
+ M_JSR;
+ break;
- for (s3 = s3 - 1; s3 >= 0; s3--) {
- var = VAR(iptr->sx.s23.s2.args[s3]);
- d = md->params[s3].regoff;
+ case ICMD_INVOKEVIRTUAL:/* op1 = arg count, val.a = method pointer */
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
- /* 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 = emit_load(jd, iptr, var, d);
- M_LNGMOVE(s1, d);
- }
- else {
- s1 = emit_load(jd, iptr, var, d);
- M_INTMOVE(s1, d);
- }
- }
- else {
- if (IS_2_WORD_TYPE(var->type)) {
- s1 = emit_load(jd, iptr, var, REG_ITMP12_PACKED);
- M_LST(s1, REG_SP, d);
- }
- else {
- s1 = emit_load(jd, iptr, var, REG_ITMP1);
- M_IST(s1, REG_SP, d);
- }
- }
- }
- else {
- if (!md->params[s3].inmemory) {
- s1 = emit_load(jd, iptr, var, d);
- M_FLTMOVE(s1, d);
- }
- else {
- s1 = emit_load(jd, iptr, var, REG_FTMP1);
- M_DST(s1, REG_SP, d);
- }
- }
+ s1 = 0;
+ }
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, table[0]) +
+ sizeof(methodptr) * lm->vftblindex;
}
- switch (iptr->opc) {
- case ICMD_BUILTIN:
- disp = dseg_add_functionptr(cd, bte->fp);
-
- M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function */
-
- /* generate the actual call */
-
- M_MTCTR(REG_PV);
- M_JSR;
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_MFLR(REG_ITMP1);
- M_LDA(REG_PV, REG_ITMP1, -disp);
-
- emit_exception_check(cd, iptr);
- break;
-
- case ICMD_INVOKESPECIAL:
- emit_nullpointer_check(cd, iptr, REG_A0);
- /* 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);
-
- M_ALD(REG_PV, REG_PV, disp);
-
- /* generate the actual call */
-
- M_MTCTR(REG_PV);
- M_JSR;
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_MFLR(REG_ITMP1);
- M_LDA(REG_PV, REG_ITMP1, -disp);
- break;
-
- case ICMD_INVOKEVIRTUAL:
- 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);
-
- /* generate the actual call */
-
- M_MTCTR(REG_PV);
- M_JSR;
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_MFLR(REG_ITMP1);
- M_LDA(REG_PV, REG_ITMP1, -disp);
- break;
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_PV, REG_METHODPTR, s1);
- case ICMD_INVOKEINTERFACE:
- if (lm == NULL) {
- patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
+ /* generate the actual call */
- s1 = 0;
- s2 = 0;
- }
- else {
- s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr*) * lm->class->index;
-
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
- }
+ M_MTCTR(REG_PV);
+ M_JSR;
+ break;
- /* implicit null-pointer check */
- M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
- M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
- M_ALD(REG_PV, REG_METHODPTR, s2);
+ case ICMD_INVOKEINTERFACE:
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
- /* generate the actual call */
+ s1 = 0;
+ s2 = 0;
+ }
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, interfacetable[0]) -
+ sizeof(methodptr*) * lm->clazz->index;
- M_MTCTR(REG_PV);
- M_JSR;
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_MFLR(REG_ITMP1);
- M_LDA(REG_PV, REG_ITMP1, -disp);
- break;
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
}
- /* store return value */
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_METHODPTR, REG_METHODPTR, s1);
+ M_ALD(REG_PV, REG_METHODPTR, s2);
- d = md->returntype.type;
+ /* generate the actual call */
- 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);
- }
+ M_MTCTR(REG_PV);
+ M_JSR;
break;
-
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
if (!(iptr->flags.bits & INS_FLAG_ARRAY)) {
superindex = super->index;
}
- if ((super == NULL) || !(super->flags & ACC_INTERFACE))
- CODEGEN_CRITICAL_SECTION_NEW;
-
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
/* if class is not resolved, check which code to call */
disp);
M_ILD(REG_ITMP2, REG_PV, disp);
- M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
+ M_IAND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
emit_label_beq(cd, BRANCH_LABEL_2);
}
}
M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_ITMP3, REG_PV, disp);
+
+ if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_IADD(REG_ITMP1, REG_ITMP2, REG_ITMP1);
+ M_ALD(REG_ITMP1, REG_ITMP1, 0);
+ M_CMP(REG_ITMP1, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_6); /* good */
+
+ if (super == NULL) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_CMPI(REG_ITMP1, OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]));
+ emit_label_bne(cd, BRANCH_LABEL_10); /* throw */
+ }
- CODEGEN_CRITICAL_SECTION_START;
-
- M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, baseval));
- M_ALD(REG_ITMP2, REG_PV, disp);
- if (s1 != REG_ITMP1) {
- M_ILD(REG_ITMP1, 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, REG_ITMP3);
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, subtype_depth));
+ M_CMP(REG_ITMP1, REG_ITMP3);
+ emit_label_bgt(cd, BRANCH_LABEL_9); /* throw */
+ /* reload */
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+
+ M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
+ M_IADD_IMM(REG_ITMP2, -DISPLAY_SIZE*4, REG_ITMP2);
+ M_LWZX(REG_ITMP1, REG_ITMP2, REG_ITMP1);
+ M_CMP(REG_ITMP1, REG_ITMP3);
+ emit_label_beq(cd, BRANCH_LABEL_7); /* good */
+
+ emit_label(cd, BRANCH_LABEL_9);
+ if (super == NULL)
+ emit_label(cd, BRANCH_LABEL_10);
+
+ /* reload s1, might have been destroyed */
+ emit_load_s1(jd, iptr, REG_ITMP1);
+ M_ALD_INTERN(s1, REG_ZERO, TRAP_ClassCastException);
+
+ emit_label(cd, BRANCH_LABEL_7);
+ emit_label(cd, BRANCH_LABEL_6);
+ /* reload s1, might have been destroyed */
+ emit_load_s1(jd, iptr, REG_ITMP1);
}
else {
- M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
- M_ISUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
- M_ALD(REG_ITMP2, REG_PV, disp);
- M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-
- CODEGEN_CRITICAL_SECTION_END;
+ M_ALD(REG_ITMP2, REG_ITMP2, super->vftbl->subtype_offset);
+ M_CMP(REG_ITMP2, REG_ITMP3);
+ emit_classcast_check(cd, iptr, BRANCH_NE, REG_ITMP2, s1);
}
- M_CMPU(REG_ITMP3, REG_ITMP2);
- emit_classcast_check(cd, iptr, BRANCH_GT, REG_ITMP3, s1);
if (super != NULL)
emit_label(cd, BRANCH_LABEL_5);
superindex = super->index;
}
- if ((super == NULL) || !(super->flags & ACC_INTERFACE))
- CODEGEN_CRITICAL_SECTION_NEW;
-
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
s1 = REG_ITMP1;
}
- M_CLR(d);
-
/* if class is not resolved, check which code to call */
if (super == NULL) {
M_TST(s1);
+ M_CLR(d);
emit_label_beq(cd, BRANCH_LABEL_1);
disp = dseg_add_unique_s4(cd, 0); /* super->flags */
iptr->sx.s23.s3.c.ref, disp);
M_ILD(REG_ITMP3, REG_PV, disp);
- M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
+ M_IAND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
emit_label_beq(cd, BRANCH_LABEL_2);
}
if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
if (super == NULL) {
+ /* 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_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
}
else {
M_TST(s1);
+ M_CLR(d);
emit_label_beq(cd, BRANCH_LABEL_3);
}
M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
- M_BLE(4);
+ M_BLE(3);
M_ALD(REG_ITMP1, REG_ITMP1,
OFFSET(vftbl_t, interfacetable[0]) -
superindex * sizeof(methodptr*));
- M_TST(REG_ITMP1);
- M_BEQ(1);
- M_IADD_IMM(REG_ZERO, 1, d);
+
+ M_ADDIC(REG_ITMP1, -1, d);
+ M_SUBE(REG_ITMP1, d, d);
if (super == NULL)
emit_label_br(cd, BRANCH_LABEL_4);
disp = dseg_add_address(cd, super->vftbl);
M_TST(s1);
+ M_CLR(d);
emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
- M_ALD(REG_ITMP2, REG_PV, disp);
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_ITMP3, REG_PV, disp);
- CODEGEN_CRITICAL_SECTION_START;
+ if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_IADD(REG_ITMP1, REG_ITMP2, REG_ITMP1);
+ M_ALD(REG_ITMP1, REG_ITMP1, 0);
+ M_CMP(REG_ITMP1, REG_ITMP3);
+ emit_label_bne(cd, BRANCH_LABEL_8);
+ ICONST(d, 1);
+ emit_label_br(cd, BRANCH_LABEL_6); /* true */
+ emit_label(cd, BRANCH_LABEL_8);
- 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));
+ if (super == NULL) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_CMPI(REG_ITMP1, OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]));
+ emit_label_bne(cd, BRANCH_LABEL_10); /* false */
+ }
- CODEGEN_CRITICAL_SECTION_END;
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, subtype_depth));
+ M_CMP(REG_ITMP1, REG_ITMP3);
+ emit_label_bgt(cd, BRANCH_LABEL_9); /* false */
+ /* reload */
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+
+ M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
+ M_IADD_IMM(REG_ITMP2, -DISPLAY_SIZE*4, REG_ITMP2);
+ M_LWZX(REG_ITMP1, REG_ITMP2, REG_ITMP1);
+ /* This seems to be the canonical sequence to emulate
+ * the Alpha instruction M_CMPEQ. */
+ M_XOR(REG_ITMP1, REG_ITMP3, d);
+ M_CNTLZ(d, d);
+ M_RLWINM(d, 27, 5, 31, d);
+
+ if (d == REG_ITMP2)
+ emit_label_br(cd, BRANCH_LABEL_7);
+ emit_label(cd, BRANCH_LABEL_9);
+ if (super == NULL)
+ emit_label(cd, BRANCH_LABEL_10);
+ if (d == REG_ITMP2) {
+ M_CLR(d);
- M_ISUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
- M_CMPU(REG_ITMP1, REG_ITMP2);
- M_CLR(d);
- M_BGT(1);
- M_IADD_IMM(REG_ZERO, 1, d);
+ emit_label(cd, BRANCH_LABEL_7);
+ }
+ emit_label(cd, BRANCH_LABEL_6);
+ }
+ else {
+ M_ALD(REG_ITMP2, REG_ITMP2, super->vftbl->subtype_offset);
+ M_XOR(REG_ITMP2, REG_ITMP3, d);
+ M_CNTLZ(d, d);
+ M_RLWINM(d, 27, 5, 31, d);
+ }
if (super != NULL)
emit_label(cd, BRANCH_LABEL_5);
break;
default:
- exceptions_throw_internalerror("Unknown ICMD %d during code generation",
- iptr->opc);
- return false;
+ vm_abort("Unknown ICMD %d during code generation", iptr->opc);
} /* switch */
-
- } /* for instruction */
-
- } /* if (bptr -> flags >= BBREACHED) */
- } /* for basic block */
-
- dseg_createlinenumbertable(cd);
-
- /* generate traps */
-
- 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 */
-
- M_ALD_INTERN(REG_ITMP1, REG_PV, -2 * SIZEOF_VOID_P);
- M_ALD_INTERN(REG_PV, REG_PV, -3 * SIZEOF_VOID_P);
- M_MTCTR(REG_PV);
- M_RTS;
}
*******************************************************************************/
-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;
methoddesc *md;
- s4 nativeparams;
s4 i, j; /* count variables */
s4 t;
- s4 s1, s2, disp;
- s4 funcdisp;
+ s4 s1, s2;
+ int disp;
+
+ /* Sanity check. */
- /* get required compiler data */
+ assert(f != NULL);
+
+ /* Get required compiler data. */
m = jd->m;
code = jd->code;
/* set some variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
/* calculate stackframe size */
cd->stackframesize =
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
- 4 + /* 4 stackframeinfo arguments (darwin)*/
- nmd->paramcount * 2 + /* assume all arguments are doubles */
+ 4 + /* 4 stackframeinfo arguments (darwin) */
+ nmd->paramcount +
nmd->memuse;
/* keep stack 16-byte aligned */
- cd->stackframesize = (cd->stackframesize + 3) & ~3;
+ ALIGN_2(cd->stackframesize);
/* create method header */
(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 code */
M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
M_STWU(REG_SP, REG_SP, -(cd->stackframesize * 8));
- /* get function address (this must happen before the stackframeinfo) */
-
- funcdisp = dseg_add_functionptr(cd, f);
-
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL)
- patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
-#endif
-
- /* emit trace code */
-
- emit_verbosecall_enter(jd);
-
#if defined(ENABLE_GC_CACAO)
/* Save callee saved integer registers in stackframeinfo (GC may
need to recover them during a collection). */
- disp = cd->stackframesize * 4 - sizeof(stackframeinfo) +
- OFFSET(stackframeinfo, intregs);
+ disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+ OFFSET(stackframeinfo_t, intregs);
for (i = 0; i < INT_SAV_CNT; i++)
M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
/* create native stack info */
- M_AADD_IMM(REG_SP, cd->stackframesize * 8, REG_A0);
+ M_MOV(REG_SP, REG_A0);
M_MOV(REG_PV, REG_A1);
- M_AADD_IMM(REG_SP, cd->stackframesize * 8, REG_A2);
- M_ALD(REG_A3, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
disp = dseg_add_functionptr(cd, codegen_start_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_MTCTR(REG_ITMP1);
M_JSR;
+ /* remember class argument */
+
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_RESULT, REG_ITMP3);
+
/* restore integer and float argument registers */
for (i = 0; i < md->paramcount; i++) {
/* 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 (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
- if (!nmd->params[j].inmemory) {
- if (IS_2_WORD_TYPE(t))
- M_LNGMOVE(s1, s2);
- else
- M_INTMOVE(s1, s2);
- }
- 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;
+ switch (t) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ if (!nmd->params[j].inmemory)
+ M_INTMOVE(s1, s2);
+ else
+ M_IST(s1, REG_SP, s2);
+ break;
- M_ILD(REG_ITMP1, REG_SP, s1);
- if (IS_2_WORD_TYPE(t))
- M_ILD(REG_ITMP2, REG_SP, s1 + 4);
+ case TYPE_LNG:
+ if (!nmd->params[j].inmemory)
+ M_LNGMOVE(s1, s2);
+ else
+ M_LST(s1, REG_SP, s2);
+ break;
- M_IST(REG_ITMP1, REG_SP, s2);
- if (IS_2_WORD_TYPE(t))
- M_IST(REG_ITMP2, REG_SP, s2 + 4);
+ case TYPE_FLT:
+ case TYPE_DBL:
+ /* We only copy spilled float arguments, as the float
+ argument registers keep unchanged. */
+ break;
}
}
else {
- /* We only copy spilled float arguments, as the float
- argument registers keep unchanged. */
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
+ s2 = nmd->params[j].regoff;
- if (md->params[i].inmemory) {
- s1 = md->params[i].regoff + cd->stackframesize * 8;
- s2 = nmd->params[j].regoff;
+ switch (t) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ M_ILD(REG_ITMP1, REG_SP, s1);
+ M_IST(REG_ITMP1, REG_SP, s2);
+ break;
+ case TYPE_LNG:
+ M_LLD(REG_ITMP12_PACKED, REG_SP, s1);
+ M_LST(REG_ITMP12_PACKED, REG_SP, s2);
+ break;
+
+ case TYPE_FLT:
M_DLD(REG_FTMP1, REG_SP, s1);
+ M_FST(REG_FTMP1, REG_SP, s2);
+ break;
- if (IS_2_WORD_TYPE(t))
- M_DST(REG_FTMP1, REG_SP, s2);
- else
- M_FST(REG_FTMP1, REG_SP, s2);
+ case TYPE_DBL:
+ M_DLD(REG_FTMP1, REG_SP, s1);
+ M_DST(REG_FTMP1, REG_SP, s2);
+ break;
}
}
}
- /* put class into second argument register */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, m->class);
- M_ALD(REG_A1, REG_PV, disp);
- }
+ 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_ALD(REG_A0, REG_PV, disp);
+ /* put env into first argument register */
- /* generate the actual native call */
+ disp = dseg_add_address(cd, VM_get_jnienv());
+ M_ALD(REG_A0, REG_PV, disp);
+ }
+
+ /* Call the native function. */
- M_ALD(REG_ITMP3, REG_PV, funcdisp);
+ disp = dseg_add_functionptr(cd, f);
+ M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_JSR;
- /* print call trace */
-
- emit_verbosecall_exit(jd);
-
/* save return value */
switch (md->returntype.type) {
case TYPE_INT:
case TYPE_ADR:
- M_IST(REG_RESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_IST(REG_RESULT, REG_SP, LA_SIZE + 2 * 4);
break;
case TYPE_LNG:
- M_LST(REG_RESULT_PACKED, REG_SP, LA_SIZE + 1 * 8);
+ M_LST(REG_RESULT_PACKED, REG_SP, LA_SIZE + 2 * 4);
break;
case TYPE_FLT:
case TYPE_DBL:
- M_DST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_DST(REG_FRESULT, REG_SP, LA_SIZE + 2 * 4);
break;
case TYPE_VOID:
break;
/* remove native stackframe info */
- M_AADD_IMM(REG_SP, cd->stackframesize * 8, REG_A0);
+ M_MOV(REG_SP, REG_A0);
+ M_MOV(REG_PV, REG_A1);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_MTCTR(REG_ITMP1);
switch (md->returntype.type) {
case TYPE_INT:
case TYPE_ADR:
- M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_ILD(REG_RESULT, REG_SP, LA_SIZE + 2 * 4);
break;
case TYPE_LNG:
- M_LLD(REG_RESULT_PACKED, REG_SP, LA_SIZE + 1 * 8);
+ M_LLD(REG_RESULT_PACKED, REG_SP, LA_SIZE + 2 * 4);
break;
case TYPE_FLT:
case TYPE_DBL:
- M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 2 * 4);
break;
case TYPE_VOID:
break;
/* Restore callee saved integer registers from stackframeinfo (GC
might have modified them during a collection). */
- disp = cd->stackframesize * 4 - sizeof(stackframeinfo) +
- OFFSET(stackframeinfo, intregs);
+ 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);
M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_RTS;
-
- /* generate patcher traps */
-
- emit_patcher_traps(jd);
}
projects / cacao.git / blobdiff