-/* src/vm/jit/powerpc64/codegen.c - machine code generator for 32-bit PowerPC
+/* src/vm/jit/powerpc64/codegen.c - machine code generator for 64-bit PowerPC
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Andreas Krall
- Stefan Ring
-
- Changes: Christian Thalinger
- Christian Ullrich
- Edwin Steiner
-
- $Id: codegen.c 5752 2006-10-12 14:38:46Z tbfg $
-
*/
#include "config.h"
#include <assert.h>
+#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include "vm/types.h"
#include "md-abi.h"
-#include "vm/jit/abi-asm.h"
#include "vm/jit/powerpc64/arch.h"
#include "vm/jit/powerpc64/codegen.h"
#include "mm/memory.h"
+
+#include "native/localref.h"
#include "native/native.h"
+
+#include "threads/lock-common.h"
+
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
-#include "vm/loader.h"
-#include "vm/options.h"
#include "vm/stringlocal.h"
#include "vm/vm.h"
+
+#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/dseg.h"
#include "vm/jit/emit-common.h"
#include "vm/jit/jit.h"
+#include "vm/jit/linenumbertable.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/patcher-common.h"
#include "vm/jit/reg.h"
#include "vm/jit/replace.h"
+#include "vm/jit/stacktrace.h"
+#include "vm/jit/trap.h"
+
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
#if defined(ENABLE_LSRA)
# include "vm/jit/allocator/lsra.h"
#endif
-/* codegen *********************************************************************
+/* codegen_emit ****************************************************************
Generates machine code.
*******************************************************************************/
-bool codegen(jitdata *jd)
+bool codegen_emit(jitdata *jd)
{
methodinfo *m;
codeinfo *code;
registerdata *rd;
s4 len, s1, s2, s3, d, disp;
ptrint a;
- s4 stackframesize;
varinfo *var;
basicblock *bptr;
instruction *iptr;
- exceptiontable *ex;
u2 currentline;
methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
+ unresolved_method *um;
builtintable_entry *bte;
methoddesc *md;
- rplpoint *replacementpoint;
s4 fieldtype;
s4 varindex;
+ unresolved_field *uf;
+ fieldinfo *fi;
/* get required compiler data */
/* prevent compiler warnings */
- d = 0;
- lm = NULL;
+ d = 0;
+ lm = NULL;
+ um = NULL;
bte = NULL;
+ uf = NULL;
{
s4 i, p, t, l;
savedregs_num += (INT_SAV_CNT - rd->savintreguse);
savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
- stackframesize = rd->memuse + savedregs_num;
+ 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 PPC64, since both values */
/* reside in R3 */
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ if (checksync && code_is_synchronized(code)) {
/* reserve 2 slots for long/double return values for monitorexit */
- stackframesize += 2;
+ cd->stackframesize += 2;
}
#endif
/* align stack to 16-bytes */
+/* FIXME */
/* if (!m->isleafmethod || opt_verbosecall) */
- stackframesize = (stackframesize + 3) & ~3;
-
+/* stackframesize = (stackframesize + 3) & ~3;
+*/
/* else if (m->isleafmethod && (stackframesize == LA_WORD_SIZE)) */
/* stackframesize = 0; */
- (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
- (void) dseg_adds4(cd, stackframesize * 8); /* FrameSize */
+ (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_adds4(cd, (rd->memuse + 1) * 8); /* IsSync */
- else
-#endif
- (void) dseg_adds4(cd, 0); /* IsSync */
-
- (void) dseg_adds4(cd, jd->isleafmethod); /* IsLeaf */
- (void) dseg_adds4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
- (void) dseg_adds4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
+ code->synchronizedoffset = rd->memuse * 8;
- dseg_addlinenumbertablesize(cd);
+ /* REMOVEME: We still need it for exception handling in assembler. */
- (void) dseg_adds4(cd, cd->exceptiontablelength); /* ExTableSize */
+ if (code_is_leafmethod(code))
+ (void) dseg_add_unique_s4(cd, 1);
+ else
+ (void) dseg_add_unique_s4(cd, 0);
- /* create exception table */
+ (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
+ (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
- for (ex = cd->exceptiontable; ex != NULL; ex = ex->down) {
- dseg_addtarget(cd, ex->start);
- dseg_addtarget(cd, ex->end);
- dseg_addtarget(cd, ex->handler);
- (void) dseg_addaddress(cd, ex->catchtype.any);
- }
-
/* 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);
}
- if (stackframesize)
- M_STDU(REG_SP, REG_SP, -stackframesize * 8);
+ if (cd->stackframesize)
+ M_STDU(REG_SP, REG_SP, -cd->stackframesize * 8);
/* save return address and used callee saved registers */
- p = stackframesize;
+ p = cd->stackframesize;
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
p--; M_LST(rd->savintregs[i], REG_SP, p * 8);
}
l++;
if (varindex == UNUSED)
continue;
- var = VAR(varindex);
- s1 = md->params[p].regoff;
- if (IS_INT_LNG_TYPE(t)) { /* integer args */
- if (IS_2_WORD_TYPE(t))
- s2 = PACK_REGS(rd->argintregs[GET_LOW_REG(s1)],
- rd->argintregs[GET_HIGH_REG(s1)]);
- else
- s2 = rd->argintregs[s1];
- if (!md->params[p].inmemory) { /* register arguments */
- if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- M_NOP;
- if (IS_2_WORD_TYPE(t)) /* FIXME, only M_INTMOVE here */
- M_LNGMOVE(s2, var->vv.regoff);
- else
- M_INTMOVE(s2, var->vv.regoff);
- } else { /* reg arg -> spilled */
- if (IS_2_WORD_TYPE(t))
- M_LST(s2, REG_SP, var->vv.regoff * 4);
- else
- M_IST(s2, REG_SP, var->vv.regoff * 4);
- }
+ var = VAR(varindex);
+ s1 = md->params[p].regoff;
- } else { /* stack arguments */
- if (!(var->flags & INMEMORY)) { /* stack arg -> register */
- if (IS_2_WORD_TYPE(t))
- M_LLD(var->vv.regoff, REG_SP, (stackframesize + s1) * 4);
- else
- M_ILD(var->vv.regoff, REG_SP, (stackframesize + s1) * 4);
-
- } else { /* stack arg -> spilled */
-#if 1
- M_ILD(REG_ITMP1, REG_SP, (stackframesize + s1) * 4);
- M_IST(REG_ITMP1, REG_SP, var->vv.regoff * 4);
- if (IS_2_WORD_TYPE(t)) {
- M_ILD(REG_ITMP1, REG_SP, (stackframesize + s1) * 4 +4);
- M_IST(REG_ITMP1, REG_SP, var->vv.regoff * 4 + 4);
- }
-#else
- /* Reuse Memory Position on Caller Stack */
- var->vv.regoff = stackframesize + s1;
-#endif
- }
+ if (IS_INT_LNG_TYPE(t)) {
+ if (!md->params[p].inmemory) {
+ if (!IS_INMEMORY(var->flags))
+ M_INTMOVE(s1, var->vv.regoff);
+ else
+ M_LST(s1, REG_SP, var->vv.regoff);
}
-
- } else { /* floating args */
- if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argfltregs[s1];
- if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- M_FLTMOVE(s2, var->vv.regoff);
-
- } else { /* reg arg -> spilled */
+ else {
+ if (!IS_INMEMORY(var->flags))
+ M_LLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
+ else
+ var->vv.regoff = cd->stackframesize * 8 + s1;
+ }
+ }
+ else {
+ if (!md->params[p].inmemory) {
+ if (!IS_INMEMORY(var->flags))
+ M_FLTMOVE(s1, var->vv.regoff);
+ else
+ M_DST(s1, REG_SP, var->vv.regoff);
+ }
+ else {
+ if (!(var->flags & INMEMORY)) {
if (IS_2_WORD_TYPE(t))
- M_DST(s2, REG_SP, var->vv.regoff * 4);
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
else
- M_FST(s2, REG_SP, var->vv.regoff * 4);
+ M_DLD(var->vv.regoff, REG_SP, cd->stackframesize * 8 + s1);
}
-
- } else { /* stack arguments */
- if (!(var->flags & INMEMORY)) { /* stack-arg -> register */
- if (IS_2_WORD_TYPE(t))
- M_DLD(var->vv.regoff, REG_SP, (stackframesize + s1) * 4);
-
- else
- M_FLD(var->vv.regoff, REG_SP, (stackframesize + s1) * 4);
-
- } else { /* stack-arg -> spilled */
-#if 1
- if (IS_2_WORD_TYPE(t)) {
- M_DLD(REG_FTMP1, REG_SP, (stackframesize + s1) * 4);
- M_DST(REG_FTMP1, REG_SP, var->vv.regoff * 4);
- var->vv.regoff = stackframesize + s1;
-
- } else {
- M_FLD(REG_FTMP1, REG_SP, (stackframesize + s1) * 4);
- M_FST(REG_FTMP1, REG_SP, var->vv.regoff * 4);
- }
-#else
- /* Reuse Memory Position on Caller Stack */
- var->vv.regoff = stackframesize + s1;
-#endif
- }
+ else
+ var->vv.regoff = cd->stackframesize * 8 + s1;
}
}
- } /* end for */
+ }
/* save monitorenter argument */
#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+ if (checksync && code_is_synchronized(code)) {
/* stackoffset for argument used for LOCK_monitor_exit */
s1 = rd->memuse;
+
#if !defined (NDEBUG)
if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
M_AADD_IMM(REG_SP, -((LA_SIZE_IN_POINTERS + PA_SIZE_IN_POINTERS + ARG_CNT) * 8), REG_SP);
for (p = 0; p < INT_ARG_CNT; p++)
- M_LST(rd->argintregs[p], REG_SP, LA_SIZE + PA_SIZE + p * 8);
+ M_LST(abi_registers_integer_argument[p], REG_SP, LA_SIZE + PA_SIZE + p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(rd->argfltregs[p], REG_SP, LA_SIZE + PA_SIZE + (INT_ARG_CNT + p) * 8);
+ M_DST(abi_registers_float_argument[p], REG_SP, LA_SIZE + PA_SIZE + (INT_ARG_CNT + p) * 8);
/* used for LOCK_monitor_exit, adopt size because we created another stackframe */
s1 += (LA_SIZE_IN_POINTERS + PA_SIZE_IN_POINTERS + ARG_CNT);
}
#endif
- p = dseg_addaddress(cd, LOCK_monitor_enter);
+
+ p = dseg_add_functionptr(cd, LOCK_monitor_enter);
M_ALD(REG_ITMP3, REG_PV, p);
M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
M_MTCTR(REG_ITMP3);
/* get or test the lock object */
if (m->flags & ACC_STATIC) {
- p = dseg_addaddress(cd, &m->class->object.header);
- M_ALD(rd->argintregs[0], REG_PV, p);
+ p = dseg_add_address(cd, &m->clazz->object.header);
+ M_ALD(REG_A0, REG_PV, p);
}
else {
- M_TST(rd->argintregs[0]);
- M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ M_TST(REG_A0);
+ M_BNE(1);
+ M_ALD_INTERN(REG_ZERO, REG_ZERO, TRAP_NullPointerException);
}
- M_AST(rd->argintregs[0], REG_SP, s1 * 8); /* rd->memuse * 8 */
+ M_AST(REG_A0, REG_SP, s1 * 8); /* rd->memuse * 8 */
M_JSR;
-#if !defined (NDEBUG)
+
+#if !defined(NDEBUG)
if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
for (p = 0; p < INT_ARG_CNT; p++)
- M_LLD(rd->argintregs[p], REG_SP, LA_SIZE + PA_SIZE + p * 8);
+ M_LLD(abi_registers_integer_argument[p], REG_SP, LA_SIZE + PA_SIZE + p * 8);
for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(rd->argfltregs[p], REG_SP, LA_SIZE + PA_SIZE + (INT_ARG_CNT + p) * 8);
+ M_DLD(abi_registers_float_argument[p], REG_SP, LA_SIZE + PA_SIZE + (INT_ARG_CNT + p) * 8);
M_AADD_IMM(REG_SP, (LA_SIZE_IN_POINTERS + PA_SIZE_IN_POINTERS + ARG_CNT) * 8, REG_SP);
}
#if !defined (NDEBUG)
if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
emit_verbosecall_enter(jd);
+#endif
}
-#endif
/* end of header generation */
- replacementpoint = jd->code->rplpoints;
+ /* 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 */
-
- {
- branchref *brefs;
- for (brefs = bptr->branchrefs; brefs != NULL; brefs = brefs->next) {
- gen_resolvebranch((u1*) cd->mcodebase + brefs->branchpos,
- brefs->branchpos,
- bptr->mpc);
- }
- }
+ codegen_resolve_branchrefs(cd, bptr);
/* handle replacement points */
-#if 0
- if (bptr->bitflags & BBFLAG_REPLACEMENT) {
- replacementpoint->pc = (u1*)(ptrint)bptr->mpc; /* will be resolved later */
-
- replacementpoint++;
- }
-#endif
+ REPLACEMENT_POINT_BLOCK_START(cd, bptr);
/* copy interface registers to their destination */
len = bptr->indepth;
- MCODECHECK(64+len);
+ MCODECHECK(128+len);
#if defined(ENABLE_LSRA)
if (opt_lsra) {
for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
if (iptr->line != currentline) {
- dseg_addlinenumber(cd, iptr->line);
+ linenumbertable_list_entry_add(cd, iptr->line);
currentline = iptr->line;
}
- MCODECHECK(64); /* an instruction usually needs < 64 words */
+ MCODECHECK(128); /* an instruction usually needs < 64 words */
- /* M_NOP; M_NOP; XXX */
- switch (iptr->opc) {
- case ICMD_NOP: /* ... ==> ... */
- case ICMD_INLINE_START:
- case ICMD_INLINE_END:
- break;
+ 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);
+ linenumbertable_list_entry_add_inline_start(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
+ break;
+
+ case ICMD_INLINE_END:
+
+ linenumbertable_list_entry_add_inline_end(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
+ break;
case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_TST(s1);
M_BEQ(0);
- codegen_add_nullpointerexception_ref(cd);
+ emit_nullpointer_check(cd, iptr, s1);
break;
/* constant operations ************************************************/
case ICMD_FCONST: /* ... ==> ..., constant */
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- a = dseg_addfloat(cd, iptr->sx.val.f);
+ a = dseg_add_float(cd, iptr->sx.val.f);
M_FLD(d, REG_PV, a);
emit_store_dst(jd, iptr, d);
break;
case ICMD_DCONST: /* ... ==> ..., constant */
d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- a = dseg_adddouble(cd, iptr->sx.val.d);
+ a = dseg_add_double(cd, iptr->sx.val.d);
M_DLD(d, REG_PV, a);
emit_store_dst(jd, iptr, d);
break;
case ICMD_ACONST: /* ... ==> ..., constant */
+
d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- disp = dseg_addaddress(cd, iptr->sx.val.anyptr);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_aconst,
+ disp = dseg_add_unique_address(cd, iptr->sx.val.c.ref);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.val.c.ref,
disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ } else {
+ disp = dseg_add_address(cd, iptr->sx.val.anyptr);
}
-
M_ALD(d, REG_PV, disp);
emit_store_dst(jd, iptr, d);
break;
case ICMD_ILOAD: /* ... ==> ..., content of local variable */
case ICMD_ALOAD: /* s1.localindex = local variable */
case ICMD_LLOAD:
- case ICMD_FLOAD: /* ... ==> ..., content of local variable */
- case ICMD_DLOAD: /* ... ==> ..., content of local variable */
+ case ICMD_FLOAD:
+ case ICMD_DLOAD:
case ICMD_ISTORE: /* ..., value ==> ... */
- case ICMD_ASTORE: /* dst.localindex = local variable */
case ICMD_LSTORE:
- case ICMD_FSTORE: /* ..., value ==> ... */
- case ICMD_DSTORE: /* ..., value ==> ... */
+ case ICMD_FSTORE:
+ case ICMD_DSTORE:
case ICMD_COPY:
case ICMD_MOVE:
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
break;
-
- /* pop operations *****************************************************/
-
- /* attention: double and longs are only one entry in CACAO ICMDs */
-
- case ICMD_POP: /* ..., value ==> ... */
- case ICMD_POP2: /* ..., value, value ==> ... */
-
+ case ICMD_ASTORE:
+ if (!(iptr->flags.bits & INS_FLAG_RETADDR))
+ emit_copy(jd, iptr);
break;
/* integer operations *************************************************/
case ICMD_INEG: /* ..., value ==> ..., - value */
-
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_NEG(s1, d);
+ M_EXTSW(d, d);
emit_store_dst(jd, iptr, d);
break;
- case ICMD_LNEG: /* ..., value ==> ..., - value */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ case ICMD_LNEG:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_NEG(s1, d); /* XXX */
+ M_NEG(s1, d);
emit_store_dst(jd, iptr, d);
break;
+
case ICMD_I2L: /* ..., value ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
ICONST(REG_ITMP2, iptr->sx.val.i);
M_IADD(s1, REG_ITMP2, d);
}
+ M_EXTSW(d,d);
emit_store_dst(jd, iptr, d);
break;
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_SUB(s1, s2, d);
+ M_EXTSW(d, d);
emit_store_dst(jd, iptr, d);
break;
ICONST(REG_ITMP2, iptr->sx.val.i);
M_SUB(s1, REG_ITMP2, d);
}
+ M_EXTSW(d, 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);
/* XXX check me */
- if ((iptr->sx.val.l >= -32768) && (iptr->sx.val.l <= 32767)) {
+ if ((iptr->sx.val.l >= -32767) && (iptr->sx.val.l <= 32767)) {
M_LADD_IMM(s1, -iptr->sx.val.l, d);
} else {
LCONST(REG_ITMP2, iptr->sx.val.l);
break;
case ICMD_IDIV:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ emit_arithmetic_check(cd, iptr, s2);
+
+ M_DIV(s1, s2, d);
+ M_EXTSW(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
case ICMD_LDIV: /* ..., val1, val2 ==> ..., val1 / val2 */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_TST(s2);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
+ emit_arithmetic_check(cd, iptr, s2);
M_DIV(s1, s2, d);
-
+ /* we need to test if divident was 0x8000000000000, bit OV is set in XER in this case */
+ /* we only need to check this if we did a LDIV, not for IDIV */
+ M_MFXER(REG_ITMP2);
+ M_ANDIS(REG_ITMP2, 0x4000, REG_ITMP2); /* test OV */
+ M_BLE(1);
+ M_MOV(s1, d); /* java specs says result == dividend */
emit_store_dst(jd, iptr, d);
break;
case ICMD_IREM:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ emit_arithmetic_check(cd, iptr, s2);
+
+ M_DIV(s1, s2, REG_ITMP3);
+ M_MUL(REG_ITMP3, s2, REG_ITMP2);
+ M_SUB(s1, REG_ITMP2, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+
+ M_MOV(REG_ITMP3, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+
+
case ICMD_LREM: /* ..., val1, val2 ==> ..., val1 % val2 */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- M_TST(s2);
- M_BEQ(0);
- codegen_add_arithmeticexception_ref(cd);
+ emit_arithmetic_check(cd, iptr, s2);
+
+ M_DIV(s1, s2, REG_ITMP3);
+ /* we need to test if divident was 0x8000000000000, bit OV is set in XER in this case */
+ /* we only need to check this if we did a LDIV, not for IDIV */
+ M_MFXER(REG_ITMP2);
+ M_ANDIS(REG_ITMP2, 0x4000, REG_ITMP2); /* test OV */
+ M_BLE(2);
+ LCONST(REG_ITMP3, 0); /* result == 0 in this case */
+ M_BR(2);
+ M_MUL(REG_ITMP3, s2, REG_ITMP2);
+ M_SUB(s1, REG_ITMP2, REG_ITMP3);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
- /* FIXME s1 == -2^63 && s2 == -1 does not work that way */
- M_DIV(s1, s2, d);
- M_MUL( d, s2, d);
- M_SUB(s1, d, d);
+ M_MOV(REG_ITMP3, d);
emit_store_dst(jd, iptr, d);
break;
+
case ICMD_IMUL: /* ..., val1, val2 ==> ..., val1 * val2 */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_MUL(s1, s2, d);
+ M_EXTSW(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LMUL:
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);
ICONST(REG_ITMP3, iptr->sx.val.i);
M_MUL(s1, REG_ITMP3, d);
}
+ M_EXTSW(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LMULCONST:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ if ((iptr->sx.val.l >= -32767) && (iptr->sx.val.l <= 32767))
+ M_MUL_IMM(s1, iptr->sx.val.l, d);
+ else {
+ LCONST(REG_ITMP3, iptr->sx.val.l);
+ M_MUL(s1, REG_ITMP3, d);
+ }
emit_store_dst(jd, iptr, d);
break;
case ICMD_IDIVPOW2: /* ..., value ==> ..., value << constant */
-
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
M_SRA_IMM(s1, iptr->sx.val.i, d);
M_ADDZE(d, d);
+ M_EXTSW(d, d);
emit_store_dst(jd, iptr, d);
break;
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_AND_IMM(s2, 0x1f, REG_ITMP3);
M_SLL(s1, REG_ITMP3, d);
+ M_EXTSW(d, 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);
M_SLL_IMM(s1, iptr->sx.val.i & 0x1f, d);
+ M_EXTSW(d,d);
emit_store_dst(jd, iptr, d);
break;
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_SRL(s1, REG_ITMP2, d);
+ M_MOV(s1, REG_ITMP1);
+ M_CLR_HIGH(REG_ITMP1);
+ M_SRL(REG_ITMP1, REG_ITMP2, d);
+ M_EXTSW(d,d); /* for the case it was shift 0 bits */
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 & 0x1f) {
- M_SRL_IMM(s1, iptr->sx.val.i & 0x1f, d);
+ M_MOV(s1, REG_ITMP1);
+ M_CLR_HIGH(REG_ITMP1);
+ M_SRA_IMM(REG_ITMP1, iptr->sx.val.i & 0x1f, d);
} else {
M_INTMOVE(s1, d);
}
emit_store_dst(jd, iptr, d);
break;
+
+ case ICMD_LSHLCONST:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_SLL_IMM(s1, iptr->sx.val.i & 0x3f, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LSHL:
+ 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, 0x3f, REG_ITMP2);
+ M_SLL(s1, REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LSHRCONST:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_SRA_IMM(s1, iptr->sx.val.i & 0x3f, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LSHR:
+ 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, 0x3f, REG_ITMP2);
+ M_SRA(s1, REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LUSHRCONST:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ M_SRL_IMM(s1, iptr->sx.val.i & 0x3f, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LUSHR:
+ 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, 0x3f, REG_ITMP2);
+ M_SRL(s1, REG_ITMP2, d);
+ emit_store_dst(jd, iptr, d);
+ break;
case ICMD_IAND: /* ..., val1, val2 ==> ..., val1 & val2 */
- case ICMD_LAND:
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ M_AND(s1, s2, d);
+/* M_EXTSW(d, d);*/
+ emit_store_dst(jd, iptr, d);
+ break;
+ case ICMD_LAND:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
case ICMD_IREMPOW2: /* ..., value ==> ..., value % constant */
/* sx.val.i = constant */
-
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+#if 0
+ /* fast division, result in REG_ITMP3) */
+ M_SRA_IMM(s1, iptr->sx.val.i, REG_ITMP3);
+ M_ADDZE(REG_ITMP3, REG_ITMP3);
+
+ M_SUB(s1, REG_ITMP3, d);
+ M_EXTSW(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
+#else
+
M_MOV(s1, REG_ITMP2);
M_CMPI(s1, 0);
- M_BGE(1 + 2*(iptr->sx.val.i >= 32768));
+ M_BGE(1 + 3*(iptr->sx.val.i >= 32768));
if (iptr->sx.val.i >= 32768) {
M_ADDIS(REG_ZERO, iptr->sx.val.i >> 16, REG_ITMP2);
+ M_EXTSW(REG_ITMP2, REG_ITMP2);
M_OR_IMM(REG_ITMP2, iptr->sx.val.i, REG_ITMP2);
M_IADD(s1, REG_ITMP2, REG_ITMP2);
} else {
M_RLWINM(REG_ITMP2, 0, 0, 30-b, REG_ITMP2);
}
M_SUB(s1, REG_ITMP2, d);
+ M_EXTSW(d, d);
emit_store_dst(jd, iptr, d);
break;
+#endif
case ICMD_IOR: /* ..., val1, val2 ==> ..., val1 | val2 */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
+ M_OR(s1, s2, d);
+/* M_EXTSW(d,d);*/
+ emit_store_dst(jd, iptr, d);
+ break;
+
case ICMD_LOR:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
/* XXX implement me!!! */
+ vm_abort("codegen: implement ICMD_LCMP!");
emit_store_dst(jd, iptr, d);
break;
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
M_CLR(d);
- disp = dseg_addfloat(cd, 0.0);
+ disp = dseg_add_float(cd, 0.0);
M_FLD(REG_FTMP2, REG_PV, disp);
M_FCMPU(s1, REG_FTMP2);
M_BNAN(4);
- disp = dseg_adds4(cd, 0);
+ disp = dseg_add_unique_s4(cd, 0);
M_CVTDL_C(s1, REG_FTMP1);
M_LDA(REG_ITMP1, REG_PV, disp);
M_STFIWX(REG_FTMP1, 0, REG_ITMP1);
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);
M_IADD_IMM(REG_ZERO, -1, d);
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);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
+
+ /* memory operations **************************************************/
- case ICMD_IF_FCMPNE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPNE:
+ case ICMD_ARRAYLENGTH: /* ..., arrayref ==> ..., length */
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_nullpointer_check(cd, iptr, s1);
+ M_ILD(d, s1, OFFSET(java_array_t, size));
+ emit_store_dst(jd, iptr, d);
break;
+ case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
- 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);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- 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);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_IADD_IMM(s2, OFFSET(java_bytearray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LBZX(d, s1, REG_ITMP2);
+ M_BSEXT(d, d);
+ emit_store_dst(jd, iptr, d);
+ break;
- case ICMD_IF_FCMPL_GT: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_GT:
+ case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SLL_IMM(s2, 1, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LHZX(d, s1, REG_ITMP2);
+ emit_store_dst(jd, iptr, d);
break;
- case ICMD_IF_FCMPL_LE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_LE:
+ case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SLL_IMM(s2, 1, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LHAX(d, s1, REG_ITMP2);
+ emit_store_dst(jd, iptr, d);
break;
- case ICMD_IF_FCMPL_GE: /* ..., value, value ==> ... */
- case ICMD_IF_DCMPL_GE:
+ case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
- s1 = emit_load_s1(jd, iptr, REG_FTMP1);
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- M_FCMPU(s1, s2);
- M_BNAN(1);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ M_SLL_IMM(s2, 2, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LWAX(d, s1, REG_ITMP2);
+ emit_store_dst(jd, iptr, d);
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);
- M_BLT(0);
- codegen_addreference(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);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(0);
- codegen_addreference(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);
- M_BLE(0);
- codegen_addreference(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);
- M_BNAN(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGE(0);
- codegen_addreference(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);
- gen_nullptr_check(s1);
- M_ILD(d, s1, OFFSET(java_arrayheader, size));
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_BALOAD: /* ..., arrayref, index ==> ..., value */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_IADD_IMM(s2, OFFSET(java_chararray, data[0]), REG_ITMP2);
- M_LBZX(d, s1, REG_ITMP2);
- M_BSEXT(d, d);
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_CALOAD: /* ..., arrayref, index ==> ..., value */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_SLL_IMM(s2, 1, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
- M_LHAX(d, s1, REG_ITMP2);
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_SALOAD: /* ..., arrayref, index ==> ..., value */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_SLL_IMM(s2, 1, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
- M_LHAX(d, s1, REG_ITMP2);
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_IALOAD: /* ..., arrayref, index ==> ..., value */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- M_SLL_IMM(s2, 2, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
- M_LWZX(d, s1, REG_ITMP2);
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
+ case ICMD_LALOAD: /* ..., arrayref, index ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
d = codegen_reg_of_dst(jd, iptr, PACK_REGS(REG_ITMP2, REG_ITMP1));
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 3, REG_ITMP2);
M_IADD(s1, REG_ITMP2, REG_ITMP2);
- M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray, data[0]));
+ /* implicit null-pointer check */
+ M_LLD_INTERN(d, REG_ITMP2, OFFSET(java_longarray_t, data[0]));
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_FTMP1);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 2, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LFSX(d, s1, REG_ITMP2);
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_FTMP1);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 3, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_LFDX(d, s1, REG_ITMP2);
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);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
M_SLL_IMM(s2, 3, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_ALDX(d, s1, REG_ITMP2);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- M_IADD_IMM(s2, OFFSET(java_bytearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(s2, OFFSET(java_bytearray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STBX(s3, s1, REG_ITMP2);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 1, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_chararray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STHX(s3, s1, REG_ITMP2);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 1, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_shortarray_t, data[0]), REG_ITMP2);
M_STHX(s3, s1, REG_ITMP2);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 2, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_intarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STWX(s3, s1, REG_ITMP2);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 3, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray, data[0]), REG_ITMP2);
- M_LST(s3, s1, REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_longarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
+ M_LSTX(s3, s1, REG_ITMP2);
break;
case ICMD_FASTORE: /* ..., arrayref, index, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
M_SLL_IMM(s2, 2, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_floatarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STFSX(s3, s1, REG_ITMP2);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_FTMP3);
M_SLL_IMM(s2, 3, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_doublearray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_STFDX(s3, s1, REG_ITMP2);
break;
case ICMD_AASTORE: /* ..., arrayref, index, value ==> ... */
- s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- gen_nullptr_check(s1);
- gen_bound_check;
- }
- s3 = emit_load_s3(jd, iptr, rd->argintregs[1]);
+ emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
+ s3 = emit_load_s3(jd, iptr, REG_A1);
- disp = dseg_addaddress(cd, BUILTIN_canstore);
+ disp = dseg_add_functionptr(cd, BUILTIN_FAST_canstore);
M_ALD(REG_ITMP3, REG_PV, disp);
M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
M_MTCTR(REG_ITMP3);
- M_INTMOVE(s1, rd->argintregs[0]);
- M_INTMOVE(s3, rd->argintregs[1]);
+ M_INTMOVE(s1, REG_A0);
+ M_INTMOVE(s3, REG_A1);
M_JSR;
- M_TST(REG_RESULT);
- M_BEQ(0);
- codegen_add_arraystoreexception_ref(cd);
+ emit_arraystore_check(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
M_SLL_IMM(s2, 3, REG_ITMP2);
- M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray, data[0]), REG_ITMP2);
+ M_IADD_IMM(REG_ITMP2, OFFSET(java_objectarray_t, data[0]), REG_ITMP2);
+ /* implicit null-pointer check */
M_ASTX(s3, s1, REG_ITMP2);
break;
case ICMD_GETSTATIC: /* ... ==> ..., value */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_addaddress(cd, NULL);
+ disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_get_putstatic,
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic,
iptr->sx.s23.s3.uf, disp);
- if (opt_showdisassemble)
- M_NOP;
-
- } else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_addaddress(cd, &(fi->value));
+ disp = dseg_add_address(cd, fi->value);
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz)) {
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, disp);
}
}
M_ILD_INTERN(d, REG_ITMP1, 0);
break;
case TYPE_LNG:
- d = codegen_reg_of_dst(jd, iptr, PACK_REGS(REG_ITMP2, REG_ITMP1));
- 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_ITMP2);
+ M_LLD(d, REG_ITMP1, 0);
break;
case TYPE_ADR:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_addaddress(cd, NULL);
+ disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_get_putstatic,
+ patcher_add_patch_ref(jd, PATCHER_get_putstatic,
iptr->sx.s23.s3.uf, disp);
-
- if (opt_showdisassemble)
- M_NOP;
-
- } else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ }
+ else {
+ fi = iptr->sx.s23.s3.fmiref->p.field;
fieldtype = fi->type;
- disp = dseg_addaddress(cd, &(fi->value));
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class)) {
- codegen_addpatchref(cd, PATCHER_clinit, fi->class, disp);
+ disp = dseg_add_address(cd, fi->value);
- if (opt_showdisassemble)
- M_NOP;
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz)) {
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, disp);
}
}
case ICMD_GETFIELD: /* ... ==> ..., value */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ uf = iptr->sx.s23.s3.uf;
fieldtype = uf->fieldref->parseddesc.fd->type;
+ disp = 0;
- codegen_addpatchref(cd, PATCHER_get_putfield,
- iptr->sx.s23.s3.uf, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
- disp = 0;
-
- } else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
-
+ 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;
+ disp = fi->offset;
}
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
case ICMD_PUTFIELD: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- gen_nullptr_check(s1);
-
- if (!IS_FLT_DBL_TYPE(fieldtype)) {
- s2 = emit_load_s2(jd, iptr, REG_ITMP2);
- } else {
- s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- }
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- unresolved_field *uf = iptr->sx.s23.s3.uf;
-
+ 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;
+ }
- codegen_addpatchref(cd, PATCHER_get_putfield,
- iptr->sx.s23.s3.uf, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
- disp = 0;
-
- } else {
- fieldinfo *fi = iptr->sx.s23.s3.fmiref->p.field;
+ if (IS_INT_LNG_TYPE(fieldtype)) {
+ s2 = emit_load_s2(jd, iptr, REG_ITMP2);
+ }
+ else
+ s2 = emit_load_s2(jd, iptr, REG_FTMP2);
- fieldtype = fi->type;
- disp = fi->offset;
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ patcher_add_patch_ref(jd, PATCHER_get_putfield, uf, 0);
}
+
+ /* implicit null-pointer check */
switch (fieldtype) {
case TYPE_INT:
M_IST(s2, s1, disp);
#ifdef ENABLE_VERIFIER
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_athrow_areturn,
+ patcher_add_patch_ref(jd, PATCHER_resolve_class,
iptr->sx.s23.s2.uc, 0);
-
- if (opt_showdisassemble)
- M_NOP;
}
#endif /* ENABLE_VERIFIER */
- disp = dseg_addaddress(cd, asm_handle_exception);
+ disp = dseg_add_functionptr(cd, asm_handle_exception);
M_ALD(REG_ITMP2, REG_PV, disp);
M_MTCTR(REG_ITMP2);
- if (jd->isleafmethod) M_MFLR(REG_ITMP3); /* save LR */
+ 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) M_MTLR(REG_ITMP3); /* restore LR */
- M_RTS; /* jump to CTR */
+ if (code_is_leafmethod(code))
+ M_MTLR(REG_ITMP3); /* restore LR */
+
+ M_RTS; /* jump to CTR */
ALIGNCODENOP;
break;
case ICMD_GOTO: /* ... ==> ... */
case ICMD_RET: /* ... ==> ... */
- M_BR(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_br(cd, iptr->dst.block);
ALIGNCODENOP;
break;
case ICMD_JSR: /* ... ==> ... */
- M_BR(0);
- codegen_addreference(cd, iptr->sx.s23.s3.jsrtarget.block);
+ emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
ALIGNCODENOP;
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_TST(s1);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beq(cd, iptr->dst.block);
break;
case ICMD_IFNONNULL: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
M_TST(s1);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bne(cd, iptr->dst.block);
break;
case ICMD_IFLT:
ICONST(REG_ITMP2, iptr->sx.val.i);
M_CMP(s1, REG_ITMP2);
}
- switch (iptr->opc) {
- case ICMD_IFLT:
- M_BLT(0);
- break;
- case ICMD_IFLE:
- M_BLE(0);
- break;
- case ICMD_IFNE:
- M_BNE(0);
- break;
- case ICMD_IFGT:
- M_BGT(0);
- break;
- case ICMD_IFGE:
- M_BGE(0);
- break;
- case ICMD_IFEQ:
- M_BEQ(0);
- break;
- }
- codegen_addreference(cd, iptr->dst.block);
+ emit_bcc(cd, iptr->dst.block, iptr->opc - ICMD_IFEQ, BRANCH_OPT_NONE);
break;
-
- #if 0
+
case ICMD_IF_LEQ: /* ..., value ==> ... */
-
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
- if (iptr->sx.val.l == 0) {
- M_OR_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);
- } 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_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ LCONST(REG_ITMP2, iptr->sx.val.l);
+ M_CMP(s1, REG_ITMP2);
+ emit_beq(cd, iptr->dst.block);
break;
-
case ICMD_IF_LLT: /* ..., value ==> ... */
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
- if (iptr->sx.val.l == 0) {
- /* if high word is less than zero, the whole long is too */
- M_CMPI(s2, 0);
- } else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
- M_CMPI(s2, 0);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(2);
- M_CMPUI(s1, iptr->sx.val.l & 0xffff);
- } else {
- ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
- M_CMP(s2, REG_ITMP3);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(3);
- ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
- M_CMPU(s1, REG_ITMP3);
- }
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ LCONST(REG_ITMP2, iptr->sx.val.l);
+ M_CMP(s1, REG_ITMP2);
+ emit_blt(cd, iptr->dst.block);
break;
-
case ICMD_IF_LLE: /* ..., value ==> ... */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ LCONST(REG_ITMP2, iptr->sx.val.l);
+ M_CMP(s1, REG_ITMP2);
+ emit_ble(cd, iptr->dst.block);
+ break;
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
-/* if (iptr->sx.val.l == 0) { */
-/* M_OR(s1, s2, REG_ITMP3); */
-/* M_CMPI(REG_ITMP3, 0); */
-
-/* } else */
- if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
- M_CMPI(s2, 0);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(2);
- M_CMPUI(s1, iptr->sx.val.l & 0xffff);
- } else {
- ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
- M_CMP(s2, REG_ITMP3);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BGT(3);
- ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
- M_CMPU(s1, REG_ITMP3);
- }
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
-
- case ICMD_IF_LNE: /* ..., value ==> ... */
-
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
- if (iptr->sx.val.l == 0) {
- M_OR_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);
- } 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_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ case ICMD_IF_LNE: /* ..., value ==> ... */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ LCONST(REG_ITMP2, iptr->sx.val.l);
+ M_CMP(s1, REG_ITMP2);
+ emit_bne(cd, iptr->dst.block);
+ break;
+ case ICMD_IF_LGE: /* ..., value ==> ... */
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ LCONST(REG_ITMP2, iptr->sx.val.l);
+ M_CMP(s1, REG_ITMP2);
+ emit_bge(cd, iptr->dst.block);
break;
-
case ICMD_IF_LGT: /* ..., value ==> ... */
-
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
-/* if (iptr->sx.val.l == 0) { */
-/* M_OR(s1, s2, REG_ITMP3); */
-/* M_CMPI(REG_ITMP3, 0); */
-
-/* } else */
- if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
- M_CMPI(s2, 0);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(2);
- M_CMPUI(s1, iptr->sx.val.l & 0xffff);
- } else {
- ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
- M_CMP(s2, REG_ITMP3);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(3);
- ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
- M_CMPU(s1, REG_ITMP3);
- }
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ LCONST(REG_ITMP2, iptr->sx.val.l);
+ M_CMP(s1, REG_ITMP2);
+ emit_bgt(cd, iptr->dst.block);
break;
-
- case ICMD_IF_LGE: /* ..., value ==> ... */
-
- /* TODO, remove me */
- s1 = emit_load_s1_low(jd, iptr, REG_ITMP1);
- s2 = emit_load_s2_high(jd, iptr, REG_ITMP2);
- if (iptr->sx.val.l == 0) {
- /* if high word is greater equal zero, the whole long is too */
- M_CMPI(s2, 0);
- } else if ((iptr->sx.val.l >= 0) && (iptr->sx.val.l <= 0xffff)) {
- M_CMPI(s2, 0);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(2);
- M_CMPUI(s1, iptr->sx.val.l & 0xffff);
- } else {
- ICONST(REG_ITMP3, iptr->sx.val.l >> 32);
- M_CMP(s2, REG_ITMP3);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
- M_BLT(3);
- ICONST(REG_ITMP3, iptr->sx.val.l & 0xffffffff);
- M_CMPU(s1, REG_ITMP3);
- }
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
- break;
- #endif
-
case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
case ICMD_IF_ACMPEQ: /* op1 = target JavaVM pc */
case ICMD_IF_LCMPEQ:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BEQ(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_beq(cd, iptr->dst.block);
break;
case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BNE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bne(cd, iptr->dst.block);
break;
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BLT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_blt(cd, iptr->dst.block);
break;
case ICMD_IF_ICMPGT: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BGT(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bgt(cd, iptr->dst.block);
break;
case ICMD_IF_ICMPLE: /* ..., value, value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
M_CMP(s1, s2);
- M_BLE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_ble(cd, iptr->dst.block);
break;
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);
- M_BGE(0);
- codegen_addreference(cd, iptr->dst.block);
+ emit_bge(cd, iptr->dst.block);
break;
case ICMD_LRETURN: /* ..., retvalue ==> ... */
case ICMD_IRETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_LNGMOVE(s1, REG_RESULT);
goto nowperformreturn;
case ICMD_ARETURN: /* ..., retvalue ==> ... */
+ REPLACEMENT_POINT_RETURN(cd, iptr);
s1 = emit_load_s1(jd, iptr, REG_RESULT);
M_LNGMOVE(s1, REG_RESULT);
#ifdef ENABLE_VERIFIER
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_athrow_areturn,
+ patcher_add_patch_ref(jd, PATCHER_resolve_class,
iptr->sx.s23.s2.uc, 0);
-
- if (opt_showdisassemble)
- M_NOP;
}
#endif /* ENABLE_VERIFIER */
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 = stackframesize;
+ p = cd->stackframesize;
/* call trace function */
#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
+ if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
emit_verbosecall_exit(jd);
- }
#endif
#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- disp = dseg_addaddress(cd, LOCK_monitor_exit);
+ if (checksync && code_is_synchronized(code)) {
+ disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
M_ALD(REG_ITMP3, REG_PV, disp);
M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
M_MTCTR(REG_ITMP3);
break;
}
- M_ALD(rd->argintregs[0], REG_SP, rd->memuse * 8);
+ M_ALD(REG_A0, REG_SP, rd->memuse * 8);
M_JSR;
/* and now restore the proper return value */
/* restore return address */
- if (!jd->isleafmethod) {
+ if (!code_is_leafmethod(code)) {
/* ATTENTION: Don't use REG_ZERO (r0) here, as M_ALD
may have a displacement overflow. */
/* deallocate stack */
- if (stackframesize)
- M_LDA(REG_SP, REG_SP, stackframesize * 8);
+ if (cd->stackframesize)
+ M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
M_RET;
ALIGNCODENOP;
/* range check */
M_CMPUI(REG_ITMP1, i - 1);
- M_BGT(0);
- codegen_addreference(cd, table[0].block);
+ emit_bgt(cd, table[0].block);
/* build jump table top down and use address of lowest entry */
table += i;
while (--i >= 0) {
- dseg_addtarget(cd, table->block);
+ dseg_add_target(cd, table->block);
--table;
- }
}
- /* length of dataseg after last dseg_addtarget is used by load */
+ /* length of dataseg after last dseg_add_unique_target is used by load */
- M_SLL_IMM(REG_ITMP1, 2, REG_ITMP1);
+ M_SLL_IMM(REG_ITMP1, 3, REG_ITMP1);
M_IADD(REG_ITMP1, REG_PV, REG_ITMP2);
M_ALD(REG_ITMP2, REG_ITMP2, -(cd->dseglen));
M_MTCTR(REG_ITMP2);
M_RTS;
ALIGNCODENOP;
+ }
break;
i = iptr->sx.s23.s2.lookupcount;
- MCODECHECK((i<<2)+8);
+ MCODECHECK((i<<3)+8);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
while (--i >= 0) {
val = lookup->value;
if ((val >= -32768) && (val <= 32767)) {
M_CMPI(s1, val);
+
} else {
- a = dseg_adds4(cd, val);
+ a = dseg_add_s4(cd, val);
M_ILD(REG_ITMP2, REG_PV, a);
M_CMP(s1, REG_ITMP2);
}
- M_BEQ(0);
- codegen_addreference(cd, lookup->target.block);
+ emit_beq(cd, lookup->target.block);
++lookup;
}
- M_BR(0);
- codegen_addreference(cd, iptr->sx.s23.s3.lookupdefault.block);
+ emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
ALIGNCODENOP;
break;
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);
+
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- md = iptr->sx.s23.s3.um->methodref->parseddesc.md;
lm = NULL;
+ um = iptr->sx.s23.s3.um;
+ md = um->methodref->parseddesc.md;
}
else {
lm = iptr->sx.s23.s3.fmiref->p.method;
+ um = NULL;
md = lm->parseddesc;
}
gen_method:
s3 = md->paramcount;
- MCODECHECK((s3 << 1) + 64);
+ MCODECHECK((s3 << 2) + 128);
/* copy arguments to registers or stack location */
for (s3 = s3 - 1; s3 >= 0; s3--) {
var = VAR(iptr->sx.s23.s2.args[s3]);
+ d = md->params[s3].regoff;
if (var->flags & PREALLOC)
continue;
if (IS_INT_LNG_TYPE(var->type)) {
if (!md->params[s3].inmemory) {
- s1 = rd->argintregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_LNGMOVE(d, s1);
- } else {
- d = emit_load(jd, iptr, var, REG_ITMP1);
- M_LST(d, REG_SP, md->params[s3].regoff * 8);
+ s1 = emit_load(jd, iptr, var, d);
+ M_LNGMOVE(s1, d);
}
- } else {
+ else {
+ s1 = emit_load(jd, iptr, var, REG_ITMP1);
+ M_LST(s1, REG_SP, d);
+ }
+ }
+ else {
if (!md->params[s3].inmemory) {
- s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_FLTMOVE(d, s1);
- } else {
- d = emit_load(jd, iptr, var, REG_FTMP1);
- if (IS_2_WORD_TYPE(var->type))
- M_DST(d, REG_SP, md->params[s3].regoff * 8);
- else
- M_FST(d, REG_SP, md->params[s3].regoff * 8);
+ 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);
}
}
- } /* end of for */
+ }
switch (iptr->opc) {
case ICMD_BUILTIN:
- disp = dseg_addaddress(cd, bte->fp);
- d = md->returntype.type;
+ if (bte->stub == NULL) {
+ disp = dseg_add_functionptr(cd, bte->fp);
+ M_ALD(REG_PV, REG_PV, disp);
+ M_ALD(REG_PV, REG_PV, 0); /* TOC */
+ }
+ else {
+ disp = dseg_add_functionptr(cd, bte->stub);
+ M_ALD(REG_PV, REG_PV, disp);
+ }
- M_ALD(REG_PV, REG_PV, disp); /* pointer to built-in-function descriptor */
- M_ALD(REG_ITMP1, REG_PV, 0); /* function entry point address, what about TOC */
- M_MTCTR(REG_ITMP1);
+ /* 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);
-
-
- if (INSTRUCTION_MUST_CHECK(iptr)) {
- M_CMPI(REG_RESULT, 0);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
- }
break;
case ICMD_INVOKESPECIAL:
- gen_nullptr_check(rd->argintregs[0]);
- M_ILD(REG_ITMP1, rd->argintregs[0], 0); /* hardware nullptr */
+ emit_nullpointer_check(cd, iptr, REG_A0);
/* fall through */
case ICMD_INVOKESTATIC:
if (lm == NULL) {
- unresolved_method *um = iptr->sx.s23.s3.um;
-
- disp = dseg_addaddress(cd, NULL);
+ disp = dseg_add_unique_address(cd, um);
- codegen_addpatchref(cd, PATCHER_invokestatic_special,
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
um, disp);
-
- if (opt_showdisassemble)
- M_NOP;
-
- d = md->returntype.type;
-
} else {
- disp = dseg_addaddress(cd, lm->stubroutine);
- d = md->returntype.type;
+ disp = dseg_add_address(cd, lm->stubroutine);
}
-
- M_NOP;
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:
- gen_nullptr_check(rd->argintregs[0]);
-
if (lm == NULL) {
- unresolved_method *um = iptr->sx.s23.s3.um;
-
- codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
-
- if (opt_showdisassemble)
- M_NOP;
-
+ patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
s1 = 0;
- d = md->returntype.type;
-
} else {
s1 = OFFSET(vftbl_t, table[0]) +
sizeof(methodptr) * lm->vftblindex;
- d = md->returntype.type;
}
- M_ALD(REG_METHODPTR, rd->argintregs[0],
- OFFSET(java_objectheader, vftbl));
+ /* 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;
case ICMD_INVOKEINTERFACE:
- gen_nullptr_check(rd->argintregs[0]);
-
if (lm == NULL) {
- unresolved_method *um = iptr->sx.s23.s3.um;
-
- codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
-
- if (opt_showdisassemble)
- M_NOP;
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
s1 = 0;
s2 = 0;
- d = md->returntype.type;
} else {
s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr*) * lm->class->index;
+ sizeof(methodptr*) * lm->clazz->index;
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
-
- d = md->returntype.type;
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
}
- M_ALD(REG_METHODPTR, rd->argintregs[0],
- OFFSET(java_objectheader, vftbl));
+ /* 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);
+
+ /* 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;
}
+ /* store return value */
- /* d contains return type */
+ d = md->returntype.type;
if (d != TYPE_VOID) {
if (IS_INT_LNG_TYPE(d)) {
s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_MOV(REG_RESULT, s1);
- } else {
+ }
+ else {
s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
M_FLTMOVE(REG_FRESULT, s1);
}
}
break;
-
case ICMD_CHECKCAST: /* ..., objectref ==> ..., objectref */
/* val.a: (classinfo*) superclass */
/* object type cast-check */
classinfo *super;
- vftbl_t *supervftbl;
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
- supervftbl = NULL;
}
else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
- supervftbl = super->vftbl;
}
-
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- /* calculate interface checkcast code size */
-
- s2 = 7;
- if (!super)
- s2 += (opt_showdisassemble ? 1 : 0);
-
- /* calculate class checkcast code size */
-
- s3 = 8 + (s1 == REG_ITMP1);
- if (!super)
- s3 += (opt_showdisassemble ? 1 : 0);
-
/* if class is not resolved, check which code to call */
- if (!super) {
+ if (super == NULL) {
M_TST(s1);
- M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
+ emit_label_beq(cd, BRANCH_LABEL_1);
+ disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- disp = dseg_adds4(cd, 0); /* super->flags */
-
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd,
+ PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref,
disp);
- if (opt_showdisassemble)
- M_NOP;
-
M_ILD(REG_ITMP2, REG_PV, disp);
M_AND_IMM(REG_ITMP2, ACC_INTERFACE, REG_ITMP2);
- M_BEQ(s2 + 1);
+
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface checkcast code */
- if (!super || (super->flags & ACC_INTERFACE)) {
- if (super) {
- M_TST(s1);
- M_BEQ(s2);
-
- } else {
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ patcher_add_patch_ref(jd,
+ PATCHER_checkcast_interface,
iptr->sx.s23.s3.c.ref,
0);
-
- if (opt_showdisassemble)
- M_NOP;
+ } else {
+ M_TST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
M_LDATST(REG_ITMP3, REG_ITMP3, -superindex);
- M_BLE(0);
- codegen_add_classcastexception_ref(cd, s1); /*XXX s1?? */
+ emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
M_ALD(REG_ITMP3, REG_ITMP2,
OFFSET(vftbl_t, interfacetable[0]) -
superindex * sizeof(methodptr*));
M_TST(REG_ITMP3);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1); /*XXX s1??*/
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
- if (!super)
- M_BR(s3);
+ if (super == NULL) {
+ emit_label_br(cd, BRANCH_LABEL_4);
+ } else {
+ emit_label(cd, BRANCH_LABEL_3);
+ }
}
/* class checkcast code */
- if (!super || !(super->flags & ACC_INTERFACE)) {
- disp = dseg_addaddress(cd, supervftbl);
-
- if (super) {
- M_TST(s1);
- M_BEQ(s3);
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
- } else {
- codegen_addpatchref(cd, PATCHER_checkcast_class,
+ disp = dseg_add_unique_address(cd, NULL);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ } else {
+ disp = dseg_add_address(cd, super->vftbl);
+ M_TST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_ALD(REG_ITMP2, s1, OFFSET(java_objectheader, vftbl));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+ M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
+
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));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
M_SUB(REG_ITMP3, REG_ITMP1, REG_ITMP3);
+ M_EXTSW(REG_ITMP3, REG_ITMP3);
} else {
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
M_SUB(REG_ITMP3, REG_ITMP2, REG_ITMP3);
+ M_EXTSW(REG_ITMP3, REG_ITMP3);
M_ALD(REG_ITMP2, REG_PV, disp);
M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, diffval));
-#if defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
}
- M_CMP(REG_ITMP3, REG_ITMP2);
- M_BGT(0);
- codegen_add_classcastexception_ref(cd, s1); /* XXX 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);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
}
d = codegen_reg_of_dst(jd, iptr, s1);
} else {
/* array type cast-check */
- s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
- M_INTMOVE(s1, rd->argintregs[0]);
+ s1 = emit_load_s1(jd, iptr, REG_A0);
+ M_INTMOVE(s1, REG_A0);
- disp = dseg_addaddress(cd, iptr->sx.s23.s3.c.cls);
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
+ disp = dseg_add_unique_address(cd, NULL);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref,
disp);
-
- if (opt_showdisassemble)
- M_NOP;
+ } else {
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
}
- M_ALD(rd->argintregs[1], REG_PV, disp);
- disp = dseg_addaddress(cd, BUILTIN_arraycheckcast);
+ M_ALD(REG_A1, REG_PV, disp);
+ disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
M_ALD(REG_ITMP2, REG_PV, disp);
M_ALD(REG_ITMP2, REG_ITMP2, 0); /* TOC */
M_MTCTR(REG_ITMP2);
M_JSR;
M_TST(REG_RESULT);
- M_BEQ(0);
- codegen_add_classcastexception_ref(cd, s1); /* XXX s1? */
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_RESULT, s1);
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, s1);
emit_store_dst(jd, iptr, d);
break;
+
case ICMD_INSTANCEOF: /* ..., objectref ==> ..., intresult */
/* val.a: (classinfo*) superclass */
{
classinfo *super;
- vftbl_t *supervftbl;
s4 superindex;
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- super = NULL;
+ super = NULL;
superindex = 0;
- supervftbl = NULL;
}
else {
- super = iptr->sx.s23.s3.c.cls;
+ super = iptr->sx.s23.s3.c.cls;
superindex = super->index;
- supervftbl = super->vftbl;
}
-#if defined(ENABLE_THREADS)
- codegen_threadcritrestart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
if (s1 == d) {
s1 = REG_ITMP1;
}
- /* calculate interface instanceof code size */
-
- s2 = 8;
- if (!super)
- s2 += (opt_showdisassemble ? 1 : 0);
-
- /* calculate class instanceof code size */
-
- s3 = 10;
- if (!super)
- s3 += (opt_showdisassemble ? 1 : 0);
-
M_CLR(d);
/* if class is not resolved, check which code to call */
- if (!super) {
+ if (super == NULL) {
M_TST(s1);
- M_BEQ(3 + (opt_showdisassemble ? 1 : 0) + s2 + 1 + s3);
-
- disp = dseg_adds4(cd, 0); /* super->flags */
+ emit_label_beq(cd, BRANCH_LABEL_1);
+ disp = dseg_add_unique_s4(cd, 0); /* super->flags */
- codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_flags,
iptr->sx.s23.s3.c.ref, disp);
- if (opt_showdisassemble)
- M_NOP;
-
M_ILD(REG_ITMP3, REG_PV, disp);
M_AND_IMM(REG_ITMP3, ACC_INTERFACE, REG_ITMP3);
- M_BEQ(s2 + 1);
+ emit_label_beq(cd, BRANCH_LABEL_2);
}
/* interface instanceof code */
- if (!super || (super->flags & ACC_INTERFACE)) {
- if (super) {
- M_TST(s1);
- M_BEQ(s2);
-
- } else {
- codegen_addpatchref(cd,
- PATCHER_checkcast_instanceof_interface,
+ if ((super == NULL) || (super->flags & ACC_INTERFACE)) {
+ if (super == NULL) {
+ patcher_add_patch_ref(jd,
+ PATCHER_instanceof_interface,
iptr->sx.s23.s3.c.ref, 0);
- if (opt_showdisassemble)
- M_NOP;
+ } else {
+ M_TST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_3);
}
- M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ 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_BEQ(1);
M_IADD_IMM(REG_ZERO, 1, d);
- if (!super)
- M_BR(s3);
+ if (super == NULL) {
+ emit_label_br(cd, BRANCH_LABEL_4);
+ } else {
+ emit_label(cd, BRANCH_LABEL_3);
+ }
}
/* class instanceof code */
- if (!super || !(super->flags & ACC_INTERFACE)) {
- disp = dseg_addaddress(cd, supervftbl);
+ if ((super == NULL) || !(super->flags & ACC_INTERFACE)) {
- if (super) {
- M_TST(s1);
- M_BEQ(s3);
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_2);
- } else {
- codegen_addpatchref(cd, PATCHER_instanceof_class,
+ disp = dseg_add_unique_address(cd, NULL);
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_vftbl,
iptr->sx.s23.s3.c.ref,
disp);
- if (opt_showdisassemble) {
- M_NOP;
- }
+ } else {
+ disp = dseg_add_address(cd, super->vftbl);
+ M_TST(s1);
+ emit_label_beq(cd, BRANCH_LABEL_5);
}
- M_ALD(REG_ITMP1, s1, OFFSET(java_objectheader, vftbl));
+ M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
M_ALD(REG_ITMP2, REG_PV, disp);
-#if defined(ENABLE_THREADS)
- codegen_threadcritstart(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
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 defined(ENABLE_THREADS)
- codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase);
-#endif
+
M_SUB(REG_ITMP1, REG_ITMP3, REG_ITMP1);
+ M_EXTSW(REG_ITMP1, REG_ITMP1);
M_CMPU(REG_ITMP1, REG_ITMP2);
M_CLR(d);
M_BGT(1);
M_IADD_IMM(REG_ZERO, 1, d);
+
+ if (super != NULL)
+ emit_label(cd, BRANCH_LABEL_5);
+ }
+
+ if (super == NULL) {
+ emit_label(cd, BRANCH_LABEL_1);
+ emit_label(cd, BRANCH_LABEL_4);
}
+
emit_store_dst(jd, iptr, d);
}
break;
/* check for negative sizes and copy sizes to stack if necessary */
- MCODECHECK((iptr->s1.argcount << 1) + 64);
+ MCODECHECK((iptr->s1.argcount << 2) + 128);
for (s1 = iptr->s1.argcount; --s1 >= 0; ) {
if (!(var->flags & PREALLOC)) {
s2 = emit_load(jd, iptr, var, REG_ITMP1);
#if defined(__DARWIN__)
- M_IST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 4);
+ M_LST(s2, REG_SP, LA_SIZE + (s1 + INT_ARG_CNT) * 8);
#else
- M_IST(s2, REG_SP, LA_SIZE + (s1 + 3) * 4);
+ M_LST(s2, REG_SP, LA_SIZE + (s1 + 3) * 8);
#endif
}
}
/* a0 = dimension count */
- ICONST(rd->argintregs[0], iptr->s1.argcount);
+ ICONST(REG_A0, iptr->s1.argcount);
/* is patcher function set? */
if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- disp = dseg_addaddress(cd, NULL);
+ disp = dseg_add_unique_address(cd, NULL);
- codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
+ patcher_add_patch_ref(jd, PATCHER_resolve_classref_to_classinfo,
iptr->sx.s23.s3.c.ref, disp);
-
- if (opt_showdisassemble)
- M_NOP;
-
} else {
- disp = dseg_addaddress(cd, iptr->sx.s23.s3.c.cls);
+ disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
}
/* a1 = arraydescriptor */
- M_ALD(rd->argintregs[1], REG_PV, disp);
+ M_ALD(REG_A1, REG_PV, disp);
/* a2 = pointer to dimensions = stack pointer */
#if defined(__DARWIN__)
- M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + INT_ARG_CNT * 4);
+ M_LDA(REG_A2, REG_SP, LA_SIZE + INT_ARG_CNT * 8);
#else
- M_LDA(rd->argintregs[2], REG_SP, LA_SIZE + 3 * 4);
+ M_LDA(REG_A2, REG_SP, LA_SIZE + 3 * 8);
#endif
- disp = dseg_addaddress(cd, BUILTIN_multianewarray);
+ disp = dseg_add_functionptr(cd, BUILTIN_multianewarray);
M_ALD(REG_ITMP3, REG_PV, disp);
+ M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
M_MTCTR(REG_ITMP3);
M_JSR;
/* check for exception before result assignment */
-
- M_CMPI(REG_RESULT, 0);
- M_BEQ(0);
- codegen_add_fillinstacktrace_ref(cd);
+ emit_exception_check(cd, iptr);
d = codegen_reg_of_dst(jd, iptr, REG_RESULT);
M_INTMOVE(REG_RESULT, d);
break;
default:
- *exceptionptr =
- new_internalerror("Unknown ICMD %d during code generation",
- iptr->opc);
+ exceptions_throw_internalerror("Unknown ICMD %d during code generation",
+ iptr->opc);
return false;
} /* switch */
} /* if (bptr -> flags >= BBREACHED) */
} /* for basic block */
- dseg_createlinenumbertable(cd);
-
-
- /* generate exception and patcher stubs */
-
- {
- exceptionref *eref;
- patchref *pref;
- u4 mcode;
- u1 *savedmcodeptr;
- u1 *tmpmcodeptr;
-
- savedmcodeptr = NULL;
-
- /* generate exception stubs */
-
- for (eref = cd->exceptionrefs; eref != NULL; eref = eref->next) {
- gen_resolvebranch(cd->mcodebase + eref->branchpos,
- eref->branchpos, cd->mcodeptr - cd->mcodebase);
-
- MCODECHECK(100);
-
- /* Check if the exception is an
- ArrayIndexOutOfBoundsException. If so, move index register
- into REG_ITMP1. */
-
- if (eref->reg != -1)
- M_MOV(eref->reg, REG_ITMP1);
-
- /* calcuate exception address */
-
- M_LDA(REG_ITMP2_XPC, REG_PV, eref->branchpos - 4);
-
- /* move function to call into REG_ITMP3 */
-
- disp = dseg_addaddress(cd, eref->function);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_ALD(REG_ITMP3, REG_ITMP3, 0); /* TOC */
-
- if (savedmcodeptr != NULL) {
- disp = ((u4 *) savedmcodeptr) - (((u4 *) cd->mcodeptr) + 1);
- M_BR(disp);
-
- } else {
- savedmcodeptr = cd->mcodeptr;
-
- if (jd->isleafmethod) {
- M_MFLR(REG_ZERO);
- M_AST(REG_ZERO, REG_SP, stackframesize * 8 + LA_LR_OFFSET);
- }
-
- M_MOV(REG_PV, rd->argintregs[0]);
- M_MOV(REG_SP, rd->argintregs[1]);
-
- if (jd->isleafmethod)
- M_MOV(REG_ZERO, rd->argintregs[2]);
- else
- M_ALD(rd->argintregs[2],
- REG_SP, stackframesize * 8 + LA_LR_OFFSET);
-
- M_MOV(REG_ITMP2_XPC, rd->argintregs[3]);
- M_MOV(REG_ITMP1, rd->argintregs[4]);
-
- M_STDU(REG_SP, REG_SP, -(LA_SIZE + 6 * 8));
- M_AST(REG_ITMP2_XPC, REG_SP, LA_SIZE + 5 * 8);
-
- M_MTCTR(REG_ITMP3);
- M_JSR;
- M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
- M_ALD(REG_ITMP2_XPC, REG_SP, LA_SIZE + 5 * 8);
- M_LADD_IMM(REG_SP, LA_SIZE + 6 * 8, REG_SP);
-
- if (jd->isleafmethod) {
- /* XXX FIXME: REG_ZERO can cause problems here! */
- assert(stackframesize * 8 <= 32767);
-
- M_ALD(REG_ZERO, REG_SP, stackframesize * 8 + LA_LR_OFFSET);
- M_MTLR(REG_ZERO);
- }
-
- disp = dseg_addaddress(cd, asm_handle_exception);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_MTCTR(REG_ITMP3);
- M_RTS;
- }
- }
-
-
- /* generate code patching stub call code */
+ /* generate traps */
- for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
- /* check code segment size */
-
- MCODECHECK(16);
-
- /* Get machine code which is patched back in later. The
- call is 1 instruction word long. */
-
- tmpmcodeptr = (u1 *) (cd->mcodebase + pref->branchpos);
-
- mcode = *((u4 *) tmpmcodeptr);
-
- /* Patch in the call to call the following code (done at
- compile time). */
-
- savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
- cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
-
- disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
- M_BR(disp);
-
- cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
-
- /* create stack frame - keep stack 16-byte aligned */
-
- M_AADD_IMM(REG_SP, -8 * 8, REG_SP);
-
- /* calculate return address and move it onto the stack */
-
- M_LDA(REG_ITMP3, REG_PV, pref->branchpos);
- M_AST_INTERN(REG_ITMP3, REG_SP, 5 * 8);
-
- /* move pointer to java_objectheader onto stack */
-
-#if defined(ENABLE_THREADS)
- /* order reversed because of data segment layout */
-
- (void) dseg_addaddress(cd, NULL); /* flcword */
- (void) dseg_addaddress(cd, lock_get_initial_lock_word()); /* monitorPtr */
- disp = dseg_addaddress(cd, NULL); /* vftbl */
-
- M_LDA(REG_ITMP3, REG_PV, disp);
- M_AST_INTERN(REG_ITMP3, REG_SP, 4 * 8);
-#else
- /* do nothing */
-#endif
-
- /* move machine code onto stack */
-
- disp = dseg_adds4(cd, mcode);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST_INTERN(REG_ITMP3, REG_SP, 3 * 8);
-
- /* move class/method/field reference onto stack */
-
- disp = dseg_addaddress(cd, pref->ref);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST_INTERN(REG_ITMP3, REG_SP, 2 * 8);
-
- /* move data segment displacement onto stack */
-
- disp = dseg_addaddress(cd, pref->disp);
- M_LLD(REG_ITMP3, REG_PV, disp);
- M_IST_INTERN(REG_ITMP3, REG_SP, 1 * 8);
-
- /* move patcher function pointer onto stack */
-
- disp = dseg_addaddress(cd, pref->patcher);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST_INTERN(REG_ITMP3, REG_SP, 0 * 8);
-
- disp = dseg_addaddress(cd, asm_patcher_wrapper);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_MTCTR(REG_ITMP3);
- M_RTS;
- }
-
- /* generate replacement-out stubs */
-
-#if 0
- {
- int i;
-
- replacementpoint = jd->code->rplpoints;
-
- for (i = 0; i < jd->code->rplpointcount; ++i, ++replacementpoint) {
- /* check code segment size */
-
- MCODECHECK(100);
-
- /* note start of stub code */
-
- replacementpoint->outcode = (u1 *) (cd->mcodeptr - cd->mcodebase);
-
- /* make machine code for patching */
-
- tmpmcodeptr = cd->mcodeptr;
- cd->mcodeptr = (u1 *) &(replacementpoint->mcode) + 1 /* big-endian */;
-
- disp = (ptrint)((s4*)replacementpoint->outcode - (s4*)replacementpoint->pc) - 1;
- M_BR(disp);
-
- cd->mcodeptr = tmpmcodeptr;
-
- /* create stack frame - keep 16-byte aligned */
-
- M_AADD_IMM(REG_SP, -4 * 4, REG_SP);
-
- /* push address of `rplpoint` struct */
-
- disp = dseg_addaddress(cd, replacementpoint);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST_INTERN(REG_ITMP3, REG_SP, 0 * 4);
-
- /* jump to replacement function */
-
- disp = dseg_addaddress(cd, asm_replacement_out);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_MTCTR(REG_ITMP3);
- M_RTS;
- }
- }
-#endif
- }
-
- codegen_finish(jd);
+ emit_patcher_traps(jd);
/* everything's ok */
}
-/* createcompilerstub **********************************************************
+/* codegen_emit_stub_native ****************************************************
- Creates a stub routine which calls the compiler.
-
-*******************************************************************************/
-
-#define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
-#define COMPILERSTUB_CODESIZE 4 * 4
-
-#define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
+ Emits a stub routine which calls a native method.
+*******************************************************************************/
-u1 *createcompilerstub(methodinfo *m)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
{
- u1 *s; /* memory to hold the stub */
- ptrint *d;
+ methodinfo *m;
codeinfo *code;
codegendata *cd;
- s4 dumpsize;
-
- s = CNEW(u1, COMPILERSTUB_SIZE);
-
- /* set data pointer and code pointer */
-
- d = (ptrint *) s;
- s = s + COMPILERSTUB_DATASIZE;
-
- /* mark start of dump memory area */
-
- dumpsize = dump_size();
-
- cd = DNEW(codegendata);
- cd->mcodeptr = s;
-
- /* Store the codeinfo pointer in the same place as in the
- methodheader for compiled methods. */
-
- code = code_codeinfo_new(m);
-
- d[0] = (ptrint) asm_call_jit_compiler;
- d[1] = (ptrint) m;
- d[2] = (ptrint) code;
-
- 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;
-
- md_cacheflush((u1 *) d, COMPILERSTUB_SIZE);
-
-#if defined(ENABLE_STATISTICS)
- if (opt_stat)
- count_cstub_len += COMPILERSTUB_SIZE;
-#endif
-
- /* release dump area */
-
- dump_release(dumpsize);
-
- return s;
-}
-
-
-/* createnativestub ************************************************************
-
- Creates a stub routine which calls a native method.
-
-*******************************************************************************/
-
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
-{
- methodinfo *m;
- codeinfo *code;
- codegendata *cd;
- registerdata *rd;
- s4 stackframesize; /* size of stackframe if needed */
- methoddesc *md;
- s4 nativeparams;
- s4 i, j; /* count variables */
- s4 t;
- s4 s1, s2, disp;
- s4 funcdisp;
+ methoddesc *md;
+ s4 i, j;
+ s4 t;
+ int s1, s2;
+ int disp;
/* get required compiler data */
m = jd->m;
code = jd->code;
cd = jd->cd;
- rd = jd->rd;
+
+ /* Sanity check. */
+
+ assert(!code_is_leafmethod(code));
/* set some variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
/* calculate stackframe size */
- stackframesize =
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ cd->stackframesize =
+ sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
4 + /* 4 stackframeinfo arguments (darwin)*/
nmd->paramcount +
nmd->memuse;
- stackframesize = (stackframesize + 3) & ~3; /* keep stack 16-byte aligned */
+/* cd->stackframesize = (cd->stackframesize + 3) & ~3;*/ /* keep stack 16-byte aligned */
/* create method header */
- (void) dseg_addaddress(cd, code); /* CodeinfoPointer */
- (void) dseg_adds4(cd, stackframesize * 8); /* FrameSize */
- (void) dseg_adds4(cd, 0); /* IsSync */
- (void) dseg_adds4(cd, 0); /* IsLeaf */
- (void) dseg_adds4(cd, 0); /* IntSave */
- (void) dseg_adds4(cd, 0); /* FltSave */
- (void) dseg_addlinenumbertablesize(cd);
- (void) dseg_adds4(cd, 0); /* ExTableSize */
+ (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); /* IsLeaf */
+ (void) dseg_add_unique_s4(cd, 0); /* IntSave */
+ (void) dseg_add_unique_s4(cd, 0); /* FltSave */
/* generate code */
M_MFLR(REG_ZERO);
M_AST_INTERN(REG_ZERO, REG_SP, LA_LR_OFFSET);
- M_STDU(REG_SP, REG_SP, -(stackframesize * 8));
-
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
- emit_verbosecall_enter(jd);
- }
-#endif
- /* get function address (this must happen before the stackframeinfo) */
-
- funcdisp = dseg_addaddress(cd, f);
-
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL) {
- codegen_addpatchref(cd, PATCHER_resolve_native, m, funcdisp);
-
- if (opt_showdisassemble)
- M_NOP;
- }
-#endif
+ M_STDU(REG_SP, REG_SP, -(cd->stackframesize * 8));
/* save integer and float argument registers */
- j = 0;
-
for (i = 0; i < md->paramcount; i++) {
- t = md->paramtypes[i].type;
+ if (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
- if (IS_INT_LNG_TYPE(t)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- M_LST(rd->argintregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
- j++;
- }
- }
- }
-
- for (i = 0; i < md->paramcount; i++) {
- if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
- j++;
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LST(s1, REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DST(s1, REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + i * 8);
+ break;
}
}
}
/* create native stack info */
- M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[0]);
- M_MOV(REG_PV, rd->argintregs[1]);
- M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[2]);
- M_ALD(rd->argintregs[3], REG_SP, stackframesize * 8 + LA_LR_OFFSET);
- disp = dseg_addaddress(cd, codegen_start_native_call);
-
+ M_MOV(REG_SP, REG_A0);
+ M_MOV(REG_PV, REG_A1);
+ disp = dseg_add_functionptr(cd, codegen_start_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_ALD(REG_ITMP1, REG_ITMP1, 0); /* TOC */
M_MTCTR(REG_ITMP1);
M_JSR;
- /* restore integer and float argument registers */
+ /* remember class argument */
- j = 0;
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_RESULT, REG_ITMP3);
- for (i = 0; i < md->paramcount; i++) {
- t = md->paramtypes[i].type;
-
- if (IS_INT_LNG_TYPE(t)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- M_LLD(rd->argintregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
- j++;
- }
- }
- }
+ /* restore integer and float argument registers */
for (i = 0; i < md->paramcount; i++) {
- if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- if (!md->params[i].inmemory) {
- s1 = md->params[i].regoff;
- M_DLD(rd->argfltregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
- j++;
+ if (!md->params[i].inmemory) {
+ s1 = md->params[i].regoff;
+
+ switch (md->paramtypes[i].type) {
+ case TYPE_INT:
+ case TYPE_LNG:
+ case TYPE_ADR:
+ M_LLD(s1, REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + i * 8);
+ break;
+ case TYPE_FLT:
+ case TYPE_DBL:
+ M_DLD(s1, REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + i * 8);
+ break;
}
}
}
/* copy or spill arguments to new locations */
- for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
+ for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
t = md->paramtypes[i].type;
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
+ s2 = nmd->params[j].regoff;
- if (!nmd->params[j].inmemory) {
- s2 = rd->argintregs[nmd->params[j].regoff];
+ if (!nmd->params[j].inmemory)
M_INTMOVE(s1, s2);
- } else {
- s2 = nmd->params[j].regoff;
- M_LST(s1, REG_SP, s2 * 8);
- }
-
- } else {
- s1 = md->params[i].regoff + stackframesize;
+ else
+ M_LST(s1, REG_SP, s2);
+ }
+ else {
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
- M_LLD(REG_ITMP1, REG_SP, s1 * 8);
- M_LST(REG_ITMP1, REG_SP, s2 * 8);
+ M_LLD(REG_ITMP1, REG_SP, s1);
+ M_LST(REG_ITMP1, REG_SP, s2);
}
-
- } else {
+ }
+ else {
/* We only copy spilled float arguments, as the float
argument registers keep unchanged. */
if (md->params[i].inmemory) {
- s1 = md->params[i].regoff + stackframesize;
+ s1 = md->params[i].regoff + cd->stackframesize * 8;
s2 = nmd->params[j].regoff;
- if (IS_2_WORD_TYPE(t)) {
- M_DLD(REG_FTMP1, REG_SP, s1 * 8);
- M_DST(REG_FTMP1, REG_SP, s2 * 8);
+ M_DLD(REG_FTMP1, REG_SP, s1);
- } else {
- M_FLD(REG_FTMP1, REG_SP, s1 * 8);
- M_FST(REG_FTMP1, REG_SP, s2 * 8);
- }
+ if (IS_2_WORD_TYPE(t))
+ M_DST(REG_FTMP1, REG_SP, s2);
+ else
+ M_FST(REG_FTMP1, REG_SP, s2 + 4);
}
}
}
- /* put class into second argument register */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC) {
- disp = dseg_addaddress(cd, m->class);
- M_ALD(rd->argintregs[1], 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_addaddress(cd, _Jv_env);
- M_ALD(rd->argintregs[0], REG_PV, disp);
+ /* put env into first argument register */
- /* generate the actual native call */
+ disp = dseg_add_unique_address(cd, _Jv_env);
+ M_ALD(REG_A0, REG_PV, disp);
+ }
+
+ /* Call the native function. */
/* native functions have a different TOC for sure */
M_AST(REG_TOC, REG_SP, 40); /* save old TOC */
- M_ALD(REG_ITMP3, REG_PV, funcdisp);
+ disp = dseg_add_functionptr(cd, f);
+ M_ALD(REG_ITMP3, REG_PV, disp);
M_ALD(REG_TOC, REG_ITMP3, 8); /* load TOC from func. descriptor */
M_ALD(REG_ITMP3, REG_ITMP3, 0);
M_MTCTR(REG_ITMP3);
M_JSR;
M_ALD(REG_TOC, REG_SP, 40); /* restore TOC */
- M_NOP;
- M_NOP;
- M_NOP;
-
/* save return value */
if (md->returntype.type != TYPE_VOID) {
if (IS_INT_LNG_TYPE(md->returntype.type)) {
- M_LST(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
+ M_LST(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 2 * 8);
}
else {
- if (IS_2_WORD_TYPE(md->returntype.type))
- M_DST(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
- else
- M_FST(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8); /* FIXME, needed ?*/
+ M_DST(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 2 * 8);
}
}
- /* print call trace */
-#if ! defined(NDEBGUU)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
- emit_verbosecall_exit(jd);
- }
-#endif
/* remove native stackframe info */
- M_NOP;
- M_NOP;
- M_NOP;
-
- M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[0]);
- disp = dseg_addaddress(cd, codegen_finish_native_call);
+ 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_ALD(REG_ITMP1, REG_ITMP1, 0); /* XXX what about TOC? */
M_MTCTR(REG_ITMP1);
if (md->returntype.type != TYPE_VOID) {
if (IS_INT_LNG_TYPE(md->returntype.type)) {
- M_LLD(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
+ M_LLD(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 2 * 8);
}
else {
- if (IS_2_WORD_TYPE(md->returntype.type))
- M_DLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
- else
- M_FLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
+ M_DLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 2 * 8);
}
}
- M_ALD(REG_ITMP2_XPC, REG_SP, stackframesize * 8 + LA_LR_OFFSET);
+ M_ALD(REG_ITMP2_XPC, REG_SP, cd->stackframesize * 8 + LA_LR_OFFSET);
M_MTLR(REG_ITMP2_XPC);
- M_LDA(REG_SP, REG_SP, stackframesize * 8); /* remove stackframe */
+ M_LDA(REG_SP, REG_SP, cd->stackframesize * 8); /* remove stackframe */
/* check for exception */
M_LADD_IMM(REG_ITMP2_XPC, -4, REG_ITMP2_XPC); /* exception address */
- disp = dseg_addaddress(cd, asm_handle_nat_exception);
+ disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
M_ALD(REG_ITMP3, REG_PV, disp);
M_MTCTR(REG_ITMP3);
M_RTS;
-
- /* generate patcher stub call code */
-
- {
- patchref *pref;
- u4 mcode;
- u1 *savedmcodeptr;
- u1 *tmpmcodeptr;
-
- for (pref = cd->patchrefs; pref != NULL; pref = pref->next) {
- /* Get machine code which is patched back in later. The
- call is 1 instruction word long. */
-
- tmpmcodeptr = cd->mcodebase + pref->branchpos;
-
- mcode = *((u4 *) tmpmcodeptr);
-
- /* Patch in the call to call the following code (done at
- compile time). */
-
- savedmcodeptr = cd->mcodeptr; /* save current mcodeptr */
- cd->mcodeptr = tmpmcodeptr; /* set mcodeptr to patch position */
-
- disp = ((u4 *) savedmcodeptr) - (((u4 *) tmpmcodeptr) + 1);
- M_BL(disp);
-
- cd->mcodeptr = savedmcodeptr; /* restore the current mcodeptr */
-
- /* create stack frame - keep stack 16-byte aligned */
-
- M_AADD_IMM(REG_SP, -8 * 8, REG_SP);
-
- /* move return address onto stack */
-
- M_MFLR(REG_ZERO);
- M_AST(REG_ZERO, REG_SP, 5 * 8);
-
- /* move pointer to java_objectheader onto stack */
-
-#if defined(ENABLE_THREADS)
- /* order reversed because of data segment layout */
-
- (void) dseg_addaddress(cd, NULL); /* flcword */
- (void) dseg_addaddress(cd, lock_get_initial_lock_word()); /* monitorPtr */
- disp = dseg_addaddress(cd, NULL); /* vftbl */
-
- M_LDA(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 4 * 8);
-#else
- /* do nothing */
-#endif
-
- /* move machine code onto stack */
-
- disp = dseg_adds4(cd, mcode);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST(REG_ITMP3, REG_SP, 3 * 8);
-
- /* move class/method/field reference onto stack */
-
- disp = dseg_addaddress(cd, pref->ref);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 2 * 8);
-
- /* move data segment displacement onto stack */
-
- disp = dseg_adds4(cd, pref->disp);
- M_ILD(REG_ITMP3, REG_PV, disp);
- M_IST(REG_ITMP3, REG_SP, 1 * 8);
-
- /* move patcher function pointer onto stack */
-
- disp = dseg_addaddress(cd, pref->patcher);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_AST(REG_ITMP3, REG_SP, 0 * 8);
-
- disp = dseg_addaddress(cd, asm_patcher_wrapper);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_MTCTR(REG_ITMP3);
- M_RTS;
- }
- }
-
- codegen_finish(jd);
-
- return code->entrypoint;
}
-
-
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where