/* 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
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
#include "mm/memory.h"
-#include "native/jni.h"
#include "native/localref.h"
#include "native/native.h"
#include "threads/lock-common.h"
-#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/emit-common.hpp"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/linenumbertable.h"
#include "vm/jit/parse.h"
-#include "vm/jit/patcher-common.h"
+#include "vm/jit/patcher-common.hpp"
#include "vm/jit/reg.h"
-#include "vm/jit/replace.h"
-#include "vm/jit/stacktrace.h"
-
-#if defined(ENABLE_LSRA)
+#include "vm/jit/replace.hpp"
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.h"
+
+#if defined(ENABLE_SSA)
+# include "vm/jit/optimizing/lsra.h"
+# include "vm/jit/optimizing/ssa.h"
+#elif defined(ENABLE_LSRA)
# include "vm/jit/allocator/lsra.h"
#endif
-#include "vmcore/loader.h"
-#include "vmcore/options.h"
-
/* codegen_emit ****************************************************************
varinfo *var;
basicblock *bptr;
instruction *iptr;
- exception_entry *ex;
u2 currentline;
methodinfo *lm; /* local methodinfo for ICMD_INVOKE* */
unresolved_method *um;
(void) dseg_add_unique_address(cd, code); /* CodeinfoPointer */
(void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize */
- /* 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.
- */
- /* XXX Remove this "offset by one". */
-
- code->synchronizedoffset = (rd->memuse + 1) * 8;
+ code->synchronizedoffset = rd->memuse * 8;
/* REMOVEME: We still need it for exception handling in assembler. */
(void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
(void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
- dseg_addlinenumbertablesize(cd);
-
- (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize */
-
- /* create exception table */
-
- for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
- dseg_add_target(cd, ex->start);
- dseg_add_target(cd, ex->end);
- dseg_add_target(cd, ex->handler);
- (void) dseg_add_unique_address(cd, ex->catchtype.any);
- }
-
/* create stack frame (if necessary) */
if (cd->stackframesize)
/* decide which monitor enter function to call */
if (m->flags & ACC_STATIC) {
- disp = dseg_add_address(cd, &m->class->object.header);
+ disp = dseg_add_address(cd, &m->clazz->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_ALD_INTERN(REG_ZERO, REG_ZERO, TRAP_NullPointerException);
}
M_AST(REG_A0, REG_SP, s1 * 8);
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;
}
case ICMD_INLINE_BODY:
REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
- dseg_addlinenumber_inline_start(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
+ linenumbertable_list_entry_add_inline_start(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
break;
case ICMD_INLINE_END:
- dseg_addlinenumber_inline_end(cd, iptr);
- dseg_addlinenumber(cd, iptr->line);
+ linenumbertable_list_entry_add_inline_end(cd, iptr);
+ linenumbertable_list_entry_add(cd, iptr->line);
break;
case ICMD_CHECKNULL: /* ..., objectref ==> ..., objectref */
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);
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);
}
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);
}
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);
}
}
else {
s1 = OFFSET(vftbl_t, interfacetable[0]) -
- sizeof(methodptr*) * lm->class->index;
+ sizeof(methodptr*) * lm->clazz->index;
- s2 = sizeof(methodptr) * (lm - lm->class->methods);
+ s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
}
/* implicit null-pointer check */
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 */
+ }
+
+ 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);
- CODEGEN_CRITICAL_SECTION_END;
+ 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);
} /* if (bptr -> flags >= BBREACHED) */
} /* for basic block */
- dseg_createlinenumbertable(cd);
-
/* generate traps */
emit_patcher_traps(jd);
codeinfo *code;
codegendata *cd;
methoddesc *md;
- 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 */
(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);
- /* get function address (this must happen before the stackframeinfo) */
-
- funcdisp = dseg_add_functionptr(cd, f);
-
- if (f == NULL)
- patcher_add_patch_ref(jd, PATCHER_resolve_native_function, m, funcdisp);
-
#if defined(ENABLE_GC_CACAO)
/* Save callee saved integer registers in stackframeinfo (GC may
need to recover them during a collection). */
/* put env into first argument register */
- disp = dseg_add_address(cd, _Jv_env);
+ 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 */
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