/* src/vm/jit/alpha/codegen.c - machine code generator for Alpha
- 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.
#include "vm/jit/alpha/arch.h"
#include "vm/jit/alpha/codegen.h"
-#include "mm/memory.h"
+#include "mm/memory.hpp"
-#include "native/jni.h"
-#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/vm.h"
+#include "vm/loader.hpp"
+#include "vm/options.h"
+#include "vm/vm.hpp"
#include "vm/jit/abi.h"
#include "vm/jit/asmpart.h"
-#include "vm/jit/codegen-common.h"
+#include "vm/jit/codegen-common.hpp"
#include "vm/jit/dseg.h"
-#include "vm/jit/emit-common.h"
-#include "vm/jit/jit.h"
-#include "vm/jit/parse.h"
-#include "vm/jit/patcher-common.h"
+#include "vm/jit/emit-common.hpp"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/linenumbertable.hpp"
+#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"
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.hpp"
-#if defined(ENABLE_LSRA)
-# include "vm/jit/allocator/lsra.h"
-#endif
-
-#include "vmcore/loader.h"
-#include "vmcore/options.h"
-
-
-/* codegen_emit ****************************************************************
- 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;
- 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;
- bte = NULL;
- currentline = 0;
-
- {
- s4 i, p, t, l;
- s4 savedregs_num;
-
- savedregs_num = (jd->isleafmethod) ? 0 : 1; /* space to save the RA */
-
- /* 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 */
- if (checksync && (m->flags & ACC_SYNCHRONIZED))
- cd->stackframesize++;
-#endif
-
- /* create method header */
-
-#if 0
- cd->stackframesize = (cd->stackframesize + 1) & ~1; /* align stack to 16-bytes */
-#endif
-
- (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 */
+ 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 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);
- }
-
/* create stack frame (if necessary) */
if (cd->stackframesize)
/* save return address and used callee saved registers */
p = cd->stackframesize;
- if (!jd->isleafmethod) {
+ if (!code_is_leafmethod(code)) {
p--; M_AST(REG_RA, REG_SP, p * 8);
}
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
else { /* floating args */
if (!md->params[p].inmemory) { /* register arguments */
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 * 8);
+ M_DST(s1, REG_SP, var->vv.regoff);
}
else { /* stack arguments */
if (!(var->flags & INMEMORY))
}
}
}
+}
- /* call monitorenter function */
-
-#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- /* stack offset for monitor argument */
-
- s1 = rd->memuse;
-
-#if !defined(NDEBUG)
- if (opt_verbosecall) {
- M_LDA(REG_SP, REG_SP, -(INT_ARG_CNT + FLT_ARG_CNT) * 8);
-
- for (p = 0; p < INT_ARG_CNT; p++)
- M_LST(abi_registers_integer_argument[p], REG_SP, p * 8);
-
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DST(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
-
- s1 += INT_ARG_CNT + FLT_ARG_CNT;
- }
-#endif /* !defined(NDEBUG) */
-
- /* decide which monitor enter function to call */
-
- if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, &m->class->object.header);
- M_ALD(REG_A0, REG_PV, disp);
- }
- else {
- M_BNEZ(REG_A0, 1);
- M_ALD_INTERN(REG_ZERO, REG_ZERO, EXCEPTION_HARDWARE_NULLPOINTER);
- }
-
- M_AST(REG_A0, REG_SP, s1 * 8);
- disp = dseg_add_functionptr(cd, LOCK_monitor_enter);
- M_ALD(REG_PV, REG_PV, disp);
- M_JSR(REG_RA, REG_PV);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp);
-
-#if !defined(NDEBUG)
- if (opt_verbosecall) {
- for (p = 0; p < INT_ARG_CNT; p++)
- M_LLD(abi_registers_integer_argument[p], REG_SP, p * 8);
- for (p = 0; p < FLT_ARG_CNT; p++)
- M_DLD(abi_registers_float_argument[p], REG_SP, (INT_ARG_CNT + p) * 8);
+/**
+ * Generates machine code for the method epilog.
+ */
+void codegen_emit_epilog(jitdata* jd)
+{
+ int32_t p;
+ int i;
- M_LDA(REG_SP, REG_SP, (INT_ARG_CNT + FLT_ARG_CNT) * 8);
- }
-#endif /* !defined(NDEBUG) */
- }
-#endif
+ // Get required compiler data.
+ codeinfo* code = jd->code;
+ codegendata* cd = jd->cd;
+ registerdata* rd = jd->rd;
- /* call trace function */
+ p = cd->stackframesize;
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_enter(jd);
-#endif
+ /* restore return address */
+ if (!code_is_leafmethod(code)) {
+ p--; M_LLD(REG_RA, 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) {
+ /* restore saved registers */
- 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);
-
- /* copy interface registers to their destination */
-
- len = bptr->indepth;
- MCODECHECK(64+len);
-#if defined(ENABLE_LSRA)
- if (opt_lsra) {
- while (len) {
- len--;
- src = bptr->invars[len];
- if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_EXH)) {
- /* d = reg_of_var(m, src, REG_ITMP1); */
- if (!(src->flags & INMEMORY))
- d = src->vv.regoff;
- else
- d = REG_ITMP1;
- M_INTMOVE(REG_ITMP1, d);
- emit_store(jd, NULL, src, d);
- }
- }
- } else {
-#endif
- while (len) {
- len--;
- var = VAR(bptr->invars[len]);
- if ((len == bptr->indepth-1) && (bptr->type == BBTYPE_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;
-
- 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:
+ for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
+ p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
+ }
+ for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
+ p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
+ }
- REPLACEMENT_POINT_INLINE_START(cd, iptr);
- break;
+ /* deallocate stack */
- case ICMD_INLINE_BODY:
+ if (cd->stackframesize)
+ M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
- REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
- dseg_addlinenumber_inline_start(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
- break;
+ M_RET(REG_ZERO, REG_RA);
+}
- case ICMD_INLINE_END:
- dseg_addlinenumber_inline_end(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
- 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;
- case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
+ // Get required compiler data.
+ codegendata* cd = jd->cd;
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- emit_nullpointer_check(cd, iptr, s1);
- break;
+ 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_ITMP1);
- 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);
break;
- /* load/store/move/copy 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 */
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_AND_IMM(s2, 0x1f, REG_ITMP3);
M_IZEXT(s1, d);
- M_SRL(d, REG_ITMP2, d);
+ M_SRL(d, REG_ITMP3, d);
M_IADD(d, REG_ZERO, d);
emit_store_dst(jd, iptr, d);
break;
M_ISUB(REG_ZERO, s1, d);
M_ZAPNOT_IMM(d, 0x07, d);
} else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_AND(s1, REG_ITMP2, d);
+ ICONST(REG_ITMP3, iptr->sx.val.i);
+ M_AND(s1, REG_ITMP3, d);
M_BGEZ(s1, 3);
M_ISUB(REG_ZERO, s1, d);
- M_AND(d, REG_ITMP2, d);
+ M_AND(d, REG_ITMP3, d);
}
M_ISUB(REG_ZERO, d, d);
emit_store_dst(jd, iptr, d);
M_LSUB(REG_ZERO, s1, d);
M_ZAPNOT_IMM(d, 0x7f, d);
} else {
- LCONST(REG_ITMP2, iptr->sx.val.l);
- M_AND(s1, REG_ITMP2, d);
+ LCONST(REG_ITMP3, iptr->sx.val.l);
+ M_AND(s1, REG_ITMP3, d);
M_BGEZ(s1, 3);
M_LSUB(REG_ZERO, s1, d);
- M_AND(d, REG_ITMP2, d);
+ M_AND(d, REG_ITMP3, d);
}
M_LSUB(REG_ZERO, d, d);
emit_store_dst(jd, iptr, d);
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_FADD(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_FADDS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_FADDS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_FADDS(s1, s2, d);
- M_TRAPB;
- }
+ M_FADDS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_DADD(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_DADDS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_DADDS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_DADDS(s1, s2, d);
- M_TRAPB;
- }
+ M_DADDS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_FSUB(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_FSUBS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_FSUBS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_FSUBS(s1, s2, d);
- M_TRAPB;
- }
+ M_FSUBS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_DSUB(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_DSUBS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_DSUBS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_DSUBS(s1, s2, d);
- M_TRAPB;
- }
+ M_DSUBS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_FMUL(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_FMULS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_FMULS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_FMULS(s1, s2, d);
- M_TRAPB;
- }
+ M_FMULS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_DMUL(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_DMULS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_DMULS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_DMULS(s1, s2, d);
- M_TRAPB;
- }
+ M_DMULS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_FDIV(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_FDIVS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_FDIVS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_FDIVS(s1, s2, d);
- M_TRAPB;
- }
+ M_FDIVS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_DDIV(s1, s2, d);
+ if (d == s1 || d == s2) {
+ M_DDIVS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FMOV(REG_FTMP3, d);
} else {
- if (d == s1 || d == s2) {
- M_DDIVS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FMOV(REG_FTMP3, d);
- } else {
- M_DDIVS(s1, s2, d);
- M_TRAPB;
- }
+ M_DDIVS(s1, s2, d);
+ M_TRAPB;
}
emit_store_dst(jd, iptr, d);
break;
case ICMD_L2F:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_unique_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
M_LST(s1, REG_PV, disp);
M_DLD(d, REG_PV, disp);
M_CVTLF(d, d);
case ICMD_L2D:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_unique_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
M_LST(s1, REG_PV, disp);
M_DLD(d, REG_PV, disp);
M_CVTLD(d, d);
case ICMD_D2I:
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- disp = dseg_add_unique_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
M_CVTDL_C(s1, REG_FTMP2);
M_CVTLI(REG_FTMP2, REG_FTMP3);
M_DST(REG_FTMP3, REG_PV, disp);
case ICMD_D2L:
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- disp = dseg_add_unique_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0); /* FIXME Not thread safe! */
M_CVTDL_C(s1, REG_FTMP2);
M_DST(REG_FTMP2, REG_PV, disp);
M_LLD(d, REG_PV, disp);
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- if (opt_noieee) {
- M_CVTDF(s1, d);
- } else {
- M_CVTDFS(s1, d);
- M_TRAPB;
- }
+ M_CVTDFS(s1, d);
+ M_TRAPB;
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (opt_noieee) {
- M_LSUB_IMM(REG_ZERO, 1, d);
- M_FCMPEQ(s1, s2, REG_FTMP3);
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instructions */
- M_CLR (d);
- M_FCMPLT(s2, s1, REG_FTMP3);
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
- M_LADD_IMM(REG_ZERO, 1, d);
- } else {
- M_LSUB_IMM(REG_ZERO, 1, d);
- M_FCMPEQS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instructions */
- M_CLR (d);
- M_FCMPLTS(s2, s1, REG_FTMP3);
- M_TRAPB;
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
- M_LADD_IMM(REG_ZERO, 1, d);
- }
+ M_LSUB_IMM(REG_ZERO, 1, d);
+ M_FCMPEQS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FBEQZ (REG_FTMP3, 1); /* jump over next instructions */
+ M_CLR (d);
+ M_FCMPLTS(s2, s1, REG_FTMP3);
+ M_TRAPB;
+ M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
+ M_LADD_IMM(REG_ZERO, 1, d);
emit_store_dst(jd, iptr, d);
break;
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
s2 = emit_load_s2(jd, iptr, REG_FTMP2);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- if (opt_noieee) {
- M_LADD_IMM(REG_ZERO, 1, d);
- M_FCMPEQ(s1, s2, REG_FTMP3);
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
- M_CLR (d);
- M_FCMPLT(s1, s2, REG_FTMP3);
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
- M_LSUB_IMM(REG_ZERO, 1, d);
- } else {
- M_LADD_IMM(REG_ZERO, 1, d);
- M_FCMPEQS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
- M_CLR (d);
- M_FCMPLTS(s1, s2, REG_FTMP3);
- M_TRAPB;
- M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
- M_LSUB_IMM(REG_ZERO, 1, d);
- }
+ M_LADD_IMM(REG_ZERO, 1, d);
+ M_FCMPEQS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
+ M_CLR (d);
+ M_FCMPLTS(s1, s2, REG_FTMP3);
+ M_TRAPB;
+ M_FBEQZ (REG_FTMP3, 1); /* jump over next instruction */
+ M_LSUB_IMM(REG_ZERO, 1, d);
emit_store_dst(jd, iptr, d);
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);
M_AST(REG_ZERO, REG_ITMP1, OFFSET(java_objectarray_t, data[0]));
break;
-
- case ICMD_GETSTATIC: /* ... ==> ..., value */
-
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, uf);
-
- patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = dseg_add_address(cd, fi->value);
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
- patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
- 0);
- }
-
- M_ALD(REG_ITMP1, REG_PV, disp);
- switch (fieldtype) {
- case TYPE_INT:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ILD(d, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_LLD(d, REG_ITMP1, 0);
- break;
- case TYPE_ADR:
- d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
- M_ALD(d, REG_ITMP1, 0);
- break;
- case TYPE_FLT:
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_FLD(d, REG_ITMP1, 0);
- break;
- case TYPE_DBL:
- d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
- M_DLD(d, REG_ITMP1, 0);
- break;
- }
- emit_store_dst(jd, iptr, d);
- break;
-
- case ICMD_PUTSTATIC: /* ..., value ==> ... */
-
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
- uf = iptr->sx.s23.s3.uf;
- fieldtype = uf->fieldref->parseddesc.fd->type;
- disp = dseg_add_unique_address(cd, uf);
-
- patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
- }
- else {
- fi = iptr->sx.s23.s3.fmiref->p.field;
- fieldtype = fi->type;
- disp = dseg_add_address(cd, fi->value);
-
- if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
- patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class,
- 0);
- }
-
- M_ALD(REG_ITMP1, REG_PV, disp);
- switch (fieldtype) {
- case TYPE_INT:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_IST(s1, REG_ITMP1, 0);
- break;
- case TYPE_LNG:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_LST(s1, REG_ITMP1, 0);
- break;
- case TYPE_ADR:
- s1 = emit_load_s1(jd, iptr, REG_ITMP2);
- M_AST(s1, REG_ITMP1, 0);
- break;
- case TYPE_FLT:
- s1 = emit_load_s1(jd, iptr, REG_FTMP2);
- M_FST(s1, REG_ITMP1, 0);
- break;
- case TYPE_DBL:
- s1 = emit_load_s1(jd, iptr, REG_FTMP2);
- M_DST(s1, REG_ITMP1, 0);
- break;
- }
- break;
-
case ICMD_PUTSTATICCONST: /* ... ==> ... */
/* val = value (in current instruction) */
/* following NOP) */
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,
+ if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+ patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz,
0);
}
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_JMP(REG_ITMP2_XPC, REG_ITMP2);
M_NOP; /* nop ensures that XPC is less than the end */
/* of basic block */
- ALIGNCODENOP;
break;
- case ICMD_GOTO: /* ... ==> ... */
- case ICMD_RET: /* ... ==> ... */
+ case ICMD_IFEQ: /* ..., value ==> ... */
- emit_br(cd, iptr->dst.block);
- ALIGNCODENOP;
+ s1 = emit_load_s1(jd, iptr, REG_ITMP1);
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
+ M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
+ else {
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
+ }
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
break;
- case ICMD_JSR: /* ... ==> ... */
-
- emit_br(cd, iptr->sx.s23.s3.jsrtarget.block);
- ALIGNCODENOP;
- break;
-
- case ICMD_IFNULL: /* ..., value ==> ... */
- case ICMD_IFNONNULL:
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- emit_bccz(cd, iptr->dst.block, iptr->opc - ICMD_IFNULL, s1, BRANCH_OPT_NONE);
- break;
-
- case ICMD_IFEQ: /* ..., value ==> ... */
+ case ICMD_IFLT: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0)
- emit_beqz(cd, iptr->dst.block, s1);
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
+ M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
- M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
- }
- emit_bnez(cd, iptr->dst.block, REG_ITMP1);
- }
- break;
-
- case ICMD_IFLT: /* ..., value ==> ... */
-
- s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0)
- emit_bltz(cd, iptr->dst.block, s1);
- else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
- M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
- }
- emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
}
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IFLE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0)
- emit_blez(cd, iptr->dst.block, s1);
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
+ M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
- M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
- }
- emit_bnez(cd, iptr->dst.block, REG_ITMP1);
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
}
+ emit_bnez(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IFNE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0)
- emit_bnez(cd, iptr->dst.block, s1);
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
+ M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
- M_CMPEQ_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
- }
- emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_CMPEQ(s1, REG_ITMP2, REG_ITMP1);
}
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IFGT: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0)
- emit_bgtz(cd, iptr->dst.block, s1);
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
+ M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
- M_CMPLE_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
- }
- emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_CMPLE(s1, REG_ITMP2, REG_ITMP1);
}
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IFGE: /* ..., value ==> ... */
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
- if (iptr->sx.val.i == 0)
- emit_bgez(cd, iptr->dst.block, s1);
+ if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
+ M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
else {
- if ((iptr->sx.val.i > 0) && (iptr->sx.val.i <= 255))
- M_CMPLT_IMM(s1, iptr->sx.val.i, REG_ITMP1);
- else {
- ICONST(REG_ITMP2, iptr->sx.val.i);
- M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
- }
- emit_beqz(cd, iptr->dst.block, REG_ITMP1);
+ ICONST(REG_ITMP2, iptr->sx.val.i);
+ M_CMPLT(s1, REG_ITMP2, REG_ITMP1);
}
+ emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
case ICMD_IF_LEQ: /* ..., value ==> ... */
case ICMD_IF_ICMPEQ: /* ..., value, value ==> ... */
case ICMD_IF_LCMPEQ: /* op1 = target JavaVM pc */
- case ICMD_IF_ACMPEQ:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
case ICMD_IF_ICMPNE: /* ..., value, value ==> ... */
case ICMD_IF_LCMPNE: /* op1 = target JavaVM pc */
- case ICMD_IF_ACMPNE:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
s2 = emit_load_s2(jd, iptr, REG_ITMP2);
emit_beqz(cd, iptr->dst.block, REG_ITMP1);
break;
-
- case ICMD_IRETURN: /* ..., retvalue ==> ... */
- case ICMD_LRETURN:
-
- 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_FRETURN: /* ..., retvalue ==> ... */
- case ICMD_DRETURN:
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
- s1 = emit_load_s1(jd, iptr, REG_FRESULT);
- M_FLTMOVE(s1, REG_FRESULT);
- goto nowperformreturn;
-
- case ICMD_RETURN: /* ... ==> ... */
-
- REPLACEMENT_POINT_RETURN(cd, iptr);
-
-nowperformreturn:
- {
- s4 i, p;
-
- p = cd->stackframesize;
-
- /* call trace function */
-
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
-#endif
-
-#if defined(ENABLE_THREADS)
- if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
- M_ALD(REG_A0, REG_SP, rd->memuse * 8);
-
- switch (iptr->opc) {
- case ICMD_IRETURN:
- case ICMD_LRETURN:
- case ICMD_ARETURN:
- M_LST(REG_RESULT, REG_SP, rd->memuse * 8);
- break;
- case ICMD_FRETURN:
- case ICMD_DRETURN:
- M_DST(REG_FRESULT, REG_SP, rd->memuse * 8);
- break;
- }
-
- disp = dseg_add_functionptr(cd, LOCK_monitor_exit);
- M_ALD(REG_PV, REG_PV, disp);
- M_JSR(REG_RA, REG_PV);
- disp = -(s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, disp);
-
- switch (iptr->opc) {
- case ICMD_IRETURN:
- case ICMD_LRETURN:
- case ICMD_ARETURN:
- M_LLD(REG_RESULT, REG_SP, rd->memuse * 8);
- break;
- case ICMD_FRETURN:
- case ICMD_DRETURN:
- M_DLD(REG_FRESULT, REG_SP, rd->memuse * 8);
- break;
- }
- }
-#endif
-
- /* restore return address */
-
- if (!jd->isleafmethod) {
- p--; M_LLD(REG_RA, REG_SP, p * 8);
- }
-
- /* restore saved registers */
-
- for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
- }
- for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
- p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
- }
-
- /* deallocate stack */
-
- if (cd->stackframesize)
- M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
-
- M_RET(REG_ZERO, REG_RA);
- ALIGNCODENOP;
- }
- break;
-
-
case ICMD_TABLESWITCH: /* ..., index ==> ... */
{
s4 i, l;
ALIGNCODENOP;
break;
+ case ICMD_BUILTIN: /* ..., arg1, arg2, arg3 ==> ... */
+ 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);
- case ICMD_LOOKUPSWITCH: /* ..., key ==> ... */
- {
- s4 i, val;
- lookup_target_t *lookup;
-
- 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);
+ /* generate the actual call */
- while (--i >= 0) {
- val = lookup->value;
- if ((val >= 0) && (val <= 255)) {
- M_CMPEQ_IMM(s1, val, REG_ITMP2);
- } else {
- if ((val >= -32768) && (val <= 32767)) {
- M_LDA(REG_ITMP2, REG_ZERO, val);
- } else {
- disp = dseg_add_s4(cd, val);
- M_ILD(REG_ITMP2, REG_PV, disp);
- }
- M_CMPEQ(s1, REG_ITMP2, REG_ITMP2);
- }
- emit_bnez(cd, lookup->target.block, REG_ITMP2);
- lookup++;
- }
-
- emit_br(cd, iptr->sx.s23.s3.lookupdefault.block);
- ALIGNCODENOP;
+ M_JSR(REG_RA, REG_PV);
break;
- }
-
- case ICMD_BUILTIN: /* ..., arg1, arg2, arg3 ==> ... */
-
- REPLACEMENT_POINT_FORGC_BUILTIN(cd, iptr);
-
- bte = iptr->sx.s23.s3.bte;
- md = bte->md;
- goto gen_method;
+ case ICMD_INVOKESPECIAL:
+ emit_nullpointer_check(cd, iptr, REG_A0);
+ /* fall-through */
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)) {
- lm = NULL;
um = iptr->sx.s23.s3.um;
- md = um->methodref->parseddesc.md;
+ disp = dseg_add_unique_address(cd, um);
+
+ patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
+ um, disp);
}
else {
lm = iptr->sx.s23.s3.fmiref->p.method;
- um = NULL;
- md = lm->parseddesc;
+ disp = dseg_add_address(cd, lm->stubroutine);
}
-gen_method:
- s3 = md->paramcount;
-
- MCODECHECK((s3 << 1) + 64);
+ M_ALD(REG_PV, REG_PV, disp); /* method pointer in r27 */
- /* copy arguments to registers or stack location */
+ /* generate the actual call */
- for (s3 = s3 - 1; s3 >= 0; s3--) {
- var = VAR(iptr->sx.s23.s2.args[s3]);
- d = md->params[s3].regoff;
-
- /* already preallocated (ARGVAR)? */
+ M_JSR(REG_RA, REG_PV);
+ break;
- if (var->flags & PREALLOC)
- continue;
+ 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);
- if (IS_INT_LNG_TYPE(var->type)) {
- if (!md->params[s3].inmemory) {
- s1 = emit_load(jd, iptr, var, d);
- M_INTMOVE(s1, d);
- }
- else {
- s1 = emit_load(jd, iptr, var, REG_ITMP1);
- M_LST(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:
- if (bte->stub == NULL)
- disp = dseg_add_functionptr(cd, bte->fp);
- else
- disp = dseg_add_functionptr(cd, bte->stub);
-
- M_ALD(REG_PV, REG_PV, disp); /* Pointer to built-in-function */
-
- /* generate the actual call */
-
- M_JSR(REG_RA, REG_PV);
- REPLACEMENT_POINT_FORGC_BUILTIN_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -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); /* method pointer in r27 */
-
- /* generate the actual call */
-
- M_JSR(REG_RA, REG_PV);
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -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_JSR(REG_RA, REG_PV);
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp);
- break;
-
- case ICMD_INVOKEINTERFACE:
- if (lm == NULL) {
- patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
+ /* implicit null-pointer check */
+ M_ALD(REG_METHODPTR, REG_A0, OFFSET(java_object_t, vftbl));
+ M_ALD(REG_PV, REG_METHODPTR, s1);
- s1 = 0;
- s2 = 0;
- }
- else {
- s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr*) * lm->class->index;
+ /* generate the actual call */
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
- }
-
- /* 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);
+ M_JSR(REG_RA, REG_PV);
+ break;
- /* generate the actual call */
+ case ICMD_INVOKEINTERFACE:
+ if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
+ um = iptr->sx.s23.s3.um;
+ patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
- M_JSR(REG_RA, REG_PV);
- REPLACEMENT_POINT_INVOKE_RETURN(cd, iptr);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp);
- break;
+ s1 = 0;
+ s2 = 0;
}
+ else {
+ lm = iptr->sx.s23.s3.fmiref->p.method;
+ s1 = OFFSET(vftbl_t, interfacetable[0]) -
+ sizeof(methodptr*) * lm->clazz->index;
- /* store the return value */
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
+ }
+
+ /* 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)) {
- 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_JSR(REG_RA, REG_PV);
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 */
M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
M_ALD(REG_ITMP3, REG_PV, disp);
- CODEGEN_CRITICAL_SECTION_START;
-
- M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
- /* if (s1 != REG_ITMP1) { */
- /* M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, baseval)); */
- /* M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval)); */
- /* #if defined(ENABLE_THREADS) */
- /* codegen_threadcritstop(cd, (u1 *) mcodeptr - cd->mcodebase); */
- /* #endif */
- /* M_ISUB(REG_ITMP2, REG_ITMP1, REG_ITMP2); */
-
- /* } else { */
- M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
- M_ISUB(REG_ITMP2, REG_ITMP3, REG_ITMP2);
- M_ALD(REG_ITMP3, REG_PV, disp);
- M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
-
- CODEGEN_CRITICAL_SECTION_END;
-
- /* } */
- M_CMPULE(REG_ITMP2, REG_ITMP3, REG_ITMP3);
- emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
+ if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_LADD(REG_ITMP1, REG_ITMP2, REG_ITMP1);
+ M_ALD(REG_ITMP1, REG_ITMP1, 0);
+ M_CMPEQ(REG_ITMP1, REG_ITMP3, REG_ITMP1);
+ emit_label_bnez(cd, BRANCH_LABEL_6, REG_ITMP1); /* good */
+
+ if (super == NULL) {
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+ M_CMPEQ_IMM(REG_ITMP1, OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+ emit_label_beqz(cd, BRANCH_LABEL_10, REG_ITMP1); /* throw */
+ }
+
+ M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+ M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, subtype_depth));
+ M_CMPLE(REG_ITMP1, REG_ITMP3, REG_ITMP3);
+ emit_label_beqz(cd, BRANCH_LABEL_9, REG_ITMP3); /* throw */
+ /* reload */
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+ M_S8ADDQ(REG_ITMP1, REG_ITMP2, REG_ITMP2);
+ M_ALD(REG_ITMP1, REG_ITMP2, -DISPLAY_SIZE*8);
+ M_CMPEQ(REG_ITMP1, REG_ITMP3, REG_ITMP1);
+ emit_label_bnez(cd, BRANCH_LABEL_7, REG_ITMP1); /* 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_ALD(REG_ITMP2, REG_ITMP2, super->vftbl->subtype_offset);
+ M_CMPEQ(REG_ITMP2, REG_ITMP3, REG_ITMP2);
+ emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP2, s1);
+ }
if (super != NULL)
emit_label(cd, BRANCH_LABEL_5);
supervftbl = super->vftbl;
}
- 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);
emit_label_beqz(cd, BRANCH_LABEL_5, s1);
}
- 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_LADD(REG_ITMP1, REG_ITMP2, REG_ITMP1);
+ M_ALD(REG_ITMP1, REG_ITMP1, 0);
+ M_CMPEQ(REG_ITMP1, REG_ITMP3, REG_ITMP1);
+ emit_label_beqz(cd, BRANCH_LABEL_8, REG_ITMP1);
+ 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_CMPEQ_IMM(REG_ITMP1, OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+ emit_label_beqz(cd, BRANCH_LABEL_10, REG_ITMP1); /* 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_CMPLE(REG_ITMP1, REG_ITMP3, REG_ITMP3);
+ emit_label_beqz(cd, BRANCH_LABEL_9, REG_ITMP3); /* false */
+ /* reload */
+ M_ALD(REG_ITMP3, REG_PV, disp);
+ M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+ M_S8ADDQ(REG_ITMP1, REG_ITMP2, REG_ITMP2);
+ M_ALD(REG_ITMP1, REG_ITMP2, -DISPLAY_SIZE*8);
+ M_CMPEQ(REG_ITMP1, REG_ITMP3, 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_CMPULE(REG_ITMP1, REG_ITMP2, 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_CMPEQ(REG_ITMP2, REG_ITMP3, 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(REG_ITMP1, REG_PV, -2 * 8); /* load codeinfo pointer */
- M_ALD(REG_PV, REG_PV, -3 * 8); /* load pointer to the compiler */
- M_JMP(REG_ZERO, REG_PV); /* jump to the compiler */
-}
-
-
-/* codegen_emit_stub_builtin ***************************************************
-
- Emits a stub routine which calls a builtin function.
-
-*******************************************************************************/
-
-void codegen_emit_stub_builtin(jitdata *jd, builtintable_entry *bte)
-{
- codeinfo *code;
- codegendata *cd;
- methoddesc *md;
- s4 i;
- s4 disp;
- s4 s1;
-
- /* get required compiler data */
-
- code = jd->code;
- cd = jd->cd;
-
- /* set some variables */
-
- md = bte->md;
-
- /* calculate stack frame size */
-
- cd->stackframesize =
- 1 + /* return address */
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
- md->paramcount;
-
- /* create method header */
-
- (void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
- (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
- (void) dseg_add_unique_s4(cd, 0); /* IsSync */
- (void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
- (void) dseg_add_unique_s4(cd, 0); /* IntSave */
- (void) dseg_add_unique_s4(cd, 0); /* FltSave */
- (void) dseg_addlinenumbertablesize(cd);
- (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
-
- /* generate stub code */
-
- M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
- M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
-
-
-#if defined(ENABLE_GC_CACAO)
- /* Save callee saved integer registers in stackframeinfo (GC may
- need to recover them during a collection). */
-
- disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo) +
- OFFSET(stackframeinfo, intregs);
-
- for (i = 0; i < INT_SAV_CNT; i++)
- M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
-#endif
-
- /* save integer and float argument registers */
-
- for (i = 0; i < md->paramcount; i++) {
- 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_LST(s1, REG_SP, i * 8);
- break;
- case TYPE_FLT:
- case TYPE_DBL:
- M_DST(s1, REG_SP, i * 8);
- break;
- }
- }
- }
-
- /* prepare data structures for native function call */
-
- M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
- M_MOV(REG_PV, REG_A1);
- M_LDA(REG_A2, REG_SP, cd->stackframesize * 8);
- M_ALD(REG_A3, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
- disp = dseg_add_functionptr(cd, codegen_stub_builtin_enter);
- M_ALD(REG_PV, REG_PV, disp);
- M_JSR(REG_RA, REG_PV);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp);
-
- /* restore integer and float argument registers */
-
- for (i = 0; i < md->paramcount; i++) {
- 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, i * 8);
- break;
- case TYPE_FLT:
- case TYPE_DBL:
- M_DLD(s1, REG_SP, i * 8);
- break;
- }
- }
- }
-
- /* do the builtin function call */
-
- disp = dseg_add_functionptr(cd, bte->fp);
- M_ALD(REG_PV, REG_PV, disp);
- M_JSR(REG_RA, REG_PV);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp); /* recompute pv from ra */
-
- /* save return value */
-
- switch (md->returntype.type) {
- case TYPE_INT:
- case TYPE_LNG:
- case TYPE_ADR:
- M_LST(REG_RESULT, REG_SP, 0 * 8);
- break;
- case TYPE_FLT:
- case TYPE_DBL:
- M_DST(REG_FRESULT, REG_SP, 0 * 8);
- break;
- case TYPE_VOID:
- break;
- }
-
- /* remove native stackframe info */
-
- M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
- disp = dseg_add_functionptr(cd, codegen_stub_builtin_exit);
- M_ALD(REG_PV, REG_PV, disp);
- M_JSR(REG_RA, REG_PV);
- disp = (s4) (cd->mcodeptr - cd->mcodebase);
- M_LDA(REG_PV, REG_RA, -disp);
- M_MOV(REG_RESULT, REG_ITMP1_XPTR);
-
- /* restore return value */
-
- switch (md->returntype.type) {
- case TYPE_INT:
- case TYPE_LNG:
- case TYPE_ADR:
- M_LLD(REG_RESULT, REG_SP, 0 * 8);
- break;
- case TYPE_FLT:
- case TYPE_DBL:
- M_DLD(REG_FRESULT, REG_SP, 0 * 8);
- break;
- case TYPE_VOID:
- break;
- }
-
-#if defined(ENABLE_GC_CACAO)
- /* Restore callee saved integer registers from stackframeinfo (GC
- might have modified them during a collection). */
-
- disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo) +
- OFFSET(stackframeinfo, intregs);
-
- for (i = 0; i < INT_SAV_CNT; i++)
- M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 8);
-#endif
-
- M_ALD(REG_RA, REG_SP, (cd->stackframesize - 1) * 8); /* get RA */
- M_LDA(REG_SP, REG_SP, cd->stackframesize * 8);
-
- M_RET(REG_ZERO, REG_RA); /* return to caller */
}
*******************************************************************************/
-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; /* displacement of the function */
+ int i, j;
+ int t;
+ int s1, s2;
+ int disp;
/* get required compiler data */
/* initialize variables */
md = m->parseddesc;
- nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
/* calculate stack frame size */
cd->stackframesize =
1 + /* return address */
- sizeof(stackframeinfo) / SIZEOF_VOID_P +
+ sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
1 + /* methodinfo for call trace */
md->paramcount +
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
(void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
- (void) dseg_add_unique_s4(cd, 0); /* IsSync */
(void) dseg_add_unique_s4(cd, 0); /* IsLeaf */
(void) dseg_add_unique_s4(cd, 0); /* IntSave */
(void) dseg_add_unique_s4(cd, 0); /* FltSave */
- (void) dseg_addlinenumbertablesize(cd);
- (void) dseg_add_unique_s4(cd, 0); /* ExTableSize */
/* generate stub code */
M_LDA(REG_SP, REG_SP, -(cd->stackframesize * 8));
M_AST(REG_RA, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
- /* call trace function */
-
-#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_add_functionptr(cd, f);
-
-#if !defined(WITH_STATIC_CLASSPATH)
- if (f == NULL)
- patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
-#endif
-
#if defined(ENABLE_GC_CACAO)
/* Save callee saved integer registers in stackframeinfo (GC may
need to recover them during a collection). */
- disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo) +
- OFFSET(stackframeinfo, intregs);
+ disp = cd->stackframesize * 8 - SIZEOF_VOID_P - 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 * 8);
M_LST(s1, REG_SP, i * 8);
break;
case TYPE_FLT:
+ M_FST(s1, REG_SP, i * 8);
+ break;
case TYPE_DBL:
M_DST(s1, REG_SP, i * 8);
break;
M_LLD(s1, REG_SP, i * 8);
break;
case TYPE_FLT:
+ M_FLD(s1, REG_SP, i * 8);
+ break;
case TYPE_DBL:
M_DLD(s1, REG_SP, 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)) {
s2 = nmd->params[j].regoff;
if (!nmd->params[j].inmemory)
- M_FLTMOVE(s1, s2);
+ emit_fmove(cd, s1, s2);
else {
if (IS_2_WORD_TYPE(t))
M_DST(s1, REG_SP, s2);
}
}
- /* put class into second argument register */
+ /* Handle native Java methods. */
- if (m->flags & ACC_STATIC)
- M_MOV(REG_ITMP3, REG_A1);
+ if (m->flags & ACC_NATIVE) {
+ /* put class into second argument register */
+
+ if (m->flags & ACC_STATIC)
+ M_MOV(REG_ITMP3, REG_A1);
- /* put env into first argument register */
+ /* put env into first argument register */
- disp = dseg_add_address(cd, _Jv_env);
- M_ALD(REG_A0, REG_PV, disp);
+ disp = dseg_add_address(cd, VM_get_jnienv());
+ M_ALD(REG_A0, REG_PV, disp);
+ }
- /* do the native function call */
+ /* Call the native function. */
- M_ALD(REG_PV, REG_PV, funcdisp);
+ disp = dseg_add_functionptr(cd, f);
+ M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV); /* call native method */
disp = (s4) (cd->mcodeptr - cd->mcodebase);
M_LDA(REG_PV, REG_RA, -disp); /* recompute pv from ra */
M_LST(REG_RESULT, REG_SP, 0 * 8);
break;
case TYPE_FLT:
+ M_FST(REG_FRESULT, REG_SP, 0 * 8);
+ break;
case TYPE_DBL:
M_DST(REG_FRESULT, REG_SP, 0 * 8);
break;
break;
}
- /* call finished trace */
-
-#if !defined(NDEBUG)
- if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- emit_verbosecall_exit(jd);
-#endif
-
/* remove native stackframe info */
- M_LDA(REG_A0, REG_SP, cd->stackframesize * 8 - SIZEOF_VOID_P);
+ M_MOV(REG_SP, REG_A0);
+ M_MOV(REG_PV, REG_A1);
disp = dseg_add_functionptr(cd, codegen_finish_native_call);
M_ALD(REG_PV, REG_PV, disp);
M_JSR(REG_RA, REG_PV);
M_LLD(REG_RESULT, REG_SP, 0 * 8);
break;
case TYPE_FLT:
+ M_FLD(REG_FRESULT, REG_SP, 0 * 8);
+ break;
case TYPE_DBL:
M_DLD(REG_FRESULT, REG_SP, 0 * 8);
break;
/* Restore callee saved integer registers from stackframeinfo (GC
might have modified them during a collection). */
- disp = cd->stackframesize * 8 - SIZEOF_VOID_P - sizeof(stackframeinfo) +
- OFFSET(stackframeinfo, intregs);
+ disp = cd->stackframesize * 8 - SIZEOF_VOID_P - 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 * 8);
disp = dseg_add_functionptr(cd, asm_handle_nat_exception);
M_ALD(REG_ITMP3, REG_PV, disp); /* load asm exception handler address */
M_JMP(REG_ZERO, REG_ITMP3); /* jump to asm exception handler */
-
- /* generate patcher stubs */
-
- emit_patcher_traps(jd);
}
projects / cacao.git / blobdiff