Merged trunk and subtype.
[cacao.git] / src / vm / jit / i386 / codegen.c
index 22f4aae67e61337ad7dc094389cc98f1b3d3762a..a5f09828d93868345d8466f24a8e3feb62a1709a 100644 (file)
 #include "vm/jit/i386/emit.h"
 
 #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/stringlocal.h"
-#include "vm/vm.h"
+#include "vm/loader.hpp"
+#include "vm/options.h"
+#include "vm/primitive.hpp"
+#include "vm/utf8.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"
+#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/allocator/lsra.h"
 #endif
 
-#include "vmcore/loader.h"
-#include "vmcore/options.h"
-#include "vmcore/utf8.h"
-
 
 /* codegen_emit ****************************************************************
 
@@ -359,7 +359,7 @@ bool codegen_emit(jitdata *jd)
                        M_ALD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + 4 + align_off);
                        M_TEST(REG_ITMP1);
                        M_BNE(6);
-                       M_ALD_MEM(REG_ITMP1, EXCEPTION_HARDWARE_NULLPOINTER);
+                       M_ALD_MEM(REG_ITMP1, TRAP_NullPointerException);
                }
 
                M_AST(REG_ITMP1, REG_SP, s1 * 8);
@@ -406,9 +406,7 @@ bool codegen_emit(jitdata *jd)
                if (bptr->bitflags & BBFLAG_REPLACEMENT) {
                        if (cd->replacementpoint[-1].flags & RPLPOINT_FLAG_COUNTDOWN) {
                                MCODECHECK(32);
-                               disp = (s4) &(m->hitcountdown);
-                               M_ISUB_IMM_MEMABS(1, disp);
-                               M_BS(0);
+                               emit_trap_countdown(cd, &(m->hitcountdown));
                        }
                }
 #endif
@@ -442,11 +440,13 @@ bool codegen_emit(jitdata *jd)
                                var = VAR(bptr->invars[len]);
                                if (bptr->type != BBTYPE_STD) {
                                        if (!IS_2_WORD_TYPE(var->type)) {
+#if !defined(ENABLE_SSA)
                                                if (bptr->type == BBTYPE_EXH) {
                                                        d = codegen_reg_of_var(0, var, REG_ITMP1);
                                                        M_INTMOVE(REG_ITMP1, d);
                                                        emit_store(jd, NULL, var, d);
                                                }
+#endif
                                        } 
                                        else {
                                                log_text("copy interface registers(EXH, SBR): longs \
@@ -2193,8 +2193,8 @@ bool codegen_emit(jitdata *jd)
                                fieldtype = fi->type;
                                disp      = (intptr_t) fi->value;
 
-                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
-                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                        }
 
                        M_MOV_IMM(disp, REG_ITMP1);
@@ -2221,7 +2221,7 @@ bool codegen_emit(jitdata *jd)
                        break;
 
                case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
-
+                       
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                uf        = iptr->sx.s23.s3.uf;
                                fieldtype = uf->fieldref->parseddesc.fd->type;
@@ -2234,8 +2234,8 @@ bool codegen_emit(jitdata *jd)
                                fieldtype = fi->type;
                                disp      = (intptr_t) fi->value;
 
-                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
-                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                        }
 
                        M_MOV_IMM(disp, REG_ITMP1);
@@ -2276,8 +2276,8 @@ bool codegen_emit(jitdata *jd)
                                fieldtype = fi->type;
                                disp      = (intptr_t) fi->value;
 
-                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
-                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                        }
 
                        M_MOV_IMM(disp, REG_ITMP1);
@@ -2300,6 +2300,10 @@ bool codegen_emit(jitdata *jd)
                        s1 = emit_load_s1(jd, iptr, REG_ITMP1);
                        emit_nullpointer_check(cd, iptr, s1);
 
+#if defined(ENABLE_ESCAPE_CHECK)
+                       /*emit_escape_check(cd, s1);*/
+#endif
+
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                uf        = iptr->sx.s23.s3.uf;
                                fieldtype = uf->fieldref->parseddesc.fd->type;
@@ -2883,6 +2887,21 @@ nowperformreturn:
 
                        bte = iptr->sx.s23.s3.bte;
                        md = bte->md;
+
+#if defined(ENABLE_ESCAPE_REASON)
+                       if (bte->fp == BUILTIN_escape_reason_new) {
+                               void set_escape_reasons(void *);
+                               M_ASUB_IMM(8, REG_SP);
+                               M_MOV_IMM(iptr->escape_reasons, REG_ITMP1);
+                               M_AST(EDX, REG_SP, 4);
+                               M_AST(REG_ITMP1, REG_SP, 0);
+                               M_MOV_IMM(set_escape_reasons, REG_ITMP1);
+                               M_CALL(REG_ITMP1);
+                               M_ALD(EDX, REG_SP, 4);
+                               M_AADD_IMM(8, REG_SP);
+                       }
+#endif
+
                        goto gen_method;
 
                case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
@@ -2957,6 +2976,12 @@ gen_method:
                                        M_MOV_IMM(bte->stub, REG_ITMP1);
                                }
                                M_CALL(REG_ITMP1);
+
+#if defined(ENABLE_ESCAPE_CHECK)
+                               if (bte->opcode == ICMD_NEW || bte->opcode == ICMD_NEWARRAY) {
+                                       /*emit_escape_annotate_object(cd, m);*/
+                               }
+#endif
                                break;
 
                        case ICMD_INVOKESPECIAL:
@@ -3090,9 +3115,6 @@ gen_method:
                                        supervftbl = super->vftbl;
                                }
                        
-                               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 */
@@ -3156,39 +3178,49 @@ gen_method:
                                        }
 
                                        M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
-
                                        if (super == NULL) {
                                                patcher_add_patch_ref(jd, PATCHER_checkcast_class,
                                                                                        iptr->sx.s23.s3.c.ref,
                                                                                        0);
                                        }
-
                                        M_MOV_IMM(supervftbl, REG_ITMP3);
 
-                                       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_CMP_MEMINDEX(REG_ITMP2, 0, REG_ITMP1, 0, REG_ITMP3);
+                                               emit_label_beq(cd, BRANCH_LABEL_6);  /* good */
 
-                                       M_ILD32(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+                                               if (super == NULL) {
+                                                       M_ICMP_IMM(OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+                                                       emit_label_bne(cd, BRANCH_LABEL_10);  /* throw */
+                                               }
 
-                                       /*                              if (s1 != REG_ITMP1) { */
-                                       /*                                      emit_mov_membase_reg(cd, REG_ITMP3, OFFSET(vftbl_t, baseval), REG_ITMP1); */
-                                       /*                                      emit_mov_membase_reg(cd, REG_ITMP3, OFFSET(vftbl_t, diffval), REG_ITMP3); */
-                                       /* #if defined(ENABLE_THREADS) */
-                                       /*                                      codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase); */
-                                       /* #endif */
-                                       /*                                      emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP1, REG_ITMP2); */
+                                               M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+                                               M_CMP_MEMBASE(REG_ITMP2, OFFSET(vftbl_t, subtype_depth), REG_ITMP1);
+                                               emit_label_bgt(cd, BRANCH_LABEL_9);  /* throw */
 
-                                       /*                              } else { */
-                                       M_ILD32(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
-                                       M_ISUB(REG_ITMP3, REG_ITMP2);
-                                       M_MOV_IMM(supervftbl, REG_ITMP3);
-                                       M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
+                                               M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+                                               M_CMP_MEMINDEX(REG_ITMP2, -4*DISPLAY_SIZE, REG_ITMP1, 2, REG_ITMP3);
+                                               emit_label_beq(cd, BRANCH_LABEL_7);  /* good */
+
+                                               emit_label(cd, BRANCH_LABEL_9);
+                                               if (super == NULL)
+                                                       emit_label(cd, BRANCH_LABEL_10);
 
-                                       CODEGEN_CRITICAL_SECTION_END;
+                                               /* reload s1, might have been destroyed */
+                                               emit_load_s1(jd, iptr, REG_ITMP1);
+                                               M_ALD_MEM(s1, 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_CMP_MEMBASE(REG_ITMP2, super->vftbl->subtype_offset, REG_ITMP3);
 
-                                       M_CMP(REG_ITMP3, REG_ITMP2);
-                                       emit_classcast_check(cd, iptr, BRANCH_ULE, REG_ITMP3, s1);
+                                               emit_classcast_check(cd, iptr, BRANCH_NE, REG_ITMP3, s1);
+                                       }
 
                                        if (super != NULL)
                                                emit_label(cd, BRANCH_LABEL_5);
@@ -3245,9 +3277,6 @@ gen_method:
                                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);
 
@@ -3322,28 +3351,60 @@ gen_method:
                                        emit_label_beq(cd, BRANCH_LABEL_5);
                                }
 
-                               M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
-
+                               M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
                                if (super == NULL) {
                                        patcher_add_patch_ref(jd, PATCHER_instanceof_class,
                                                                                iptr->sx.s23.s3.c.ref, 0);
                                }
+                               M_MOV_IMM(supervftbl, REG_ITMP3);
+
+                               if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+                                       M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+                                       M_CMP_MEMINDEX(REG_ITMP2, 0, REG_ITMP1, 0, REG_ITMP3);
+                                       emit_label_bne(cd, BRANCH_LABEL_8); /* jump over INC/SETE */
+                                       if (d == REG_ITMP2) {
+                                               M_SETE(d);
+                                               M_BSEXT(d, d);
+                                       } else
+                                               M_IINC(d);
+                                       emit_label_br(cd, BRANCH_LABEL_6);  /* true */
+                                       emit_label(cd, BRANCH_LABEL_8);
+
+                                       if (super == NULL) {
+                                               M_ICMP_IMM(OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+                                               emit_label_bne(cd, BRANCH_LABEL_10);  /* false */
+                                       }
 
-                               M_MOV_IMM(supervftbl, REG_ITMP2);
+                                       M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+                                       M_CMP_MEMBASE(REG_ITMP2, OFFSET(vftbl_t, subtype_depth), REG_ITMP1);
+                                       emit_label_bgt(cd, BRANCH_LABEL_9);  /* false */
 
-                               CODEGEN_CRITICAL_SECTION_START;
+                                       M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+                                       M_CMP_MEMINDEX(REG_ITMP2, -4*DISPLAY_SIZE, REG_ITMP1, 2, REG_ITMP3);
+                                       M_SETE(d);
+                                       if (d == REG_ITMP2) {
+                                               M_BSEXT(d, d);
 
-                               M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
-                               M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, diffval));
-                               M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+                                               emit_label_br(cd, BRANCH_LABEL_7); /* jump over M_CLR */
+                                       }
 
-                               CODEGEN_CRITICAL_SECTION_END;
+                                       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_ITMP2, REG_ITMP1);
-                               M_CLR(d);                                 /* may be REG_ITMP2 */
-                               M_CMP(REG_ITMP3, REG_ITMP1);
-                               M_BA(5);
-                               M_MOV_IMM(1, d);
+                                               emit_label(cd, BRANCH_LABEL_7);
+                                       }
+                                       emit_label(cd, BRANCH_LABEL_6);
+                               }
+                               else {
+                                       M_CMP_MEMBASE(REG_ITMP2, super->vftbl->subtype_offset, REG_ITMP3);
+
+                                       M_SETE(d);
+                                       if (d == REG_ITMP2)
+                                               M_BSEXT(d, d);
+                               }
 
                                if (super != NULL)
                                        emit_label(cd, BRANCH_LABEL_5);
@@ -3417,6 +3478,13 @@ gen_method:
                        emit_store_dst(jd, iptr, s1);
                        break;
 
+#if defined(ENABLE_SSA)
+               case ICMD_GETEXCEPTION:
+                       d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+                       M_INTMOVE(REG_ITMP1, d);
+                       emit_store_dst(jd, iptr, d);
+                       break;
+#endif
                default:
                        exceptions_throw_internalerror("Unknown ICMD %d during code generation",
                                                                                   iptr->opc);
@@ -3601,7 +3669,7 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int s
 
                /* put env into first argument */
 
-               M_AST_IMM(_Jv_env, REG_SP, 0 * 4);
+               M_AST_IMM(VM_get_jnienv(), REG_SP, 0 * 4);
        }
 
        /* Call the native function. */
@@ -3617,6 +3685,20 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int s
        switch (md->returntype.type) {
        case TYPE_INT:
        case TYPE_ADR:
+               switch (md->returntype.primitivetype) {
+               case PRIMITIVETYPE_BOOLEAN:
+                       M_BZEXT(REG_RESULT, REG_RESULT);
+                       break;
+               case PRIMITIVETYPE_BYTE:
+                       M_BSEXT(REG_RESULT, REG_RESULT);
+                       break;
+               case PRIMITIVETYPE_CHAR:
+                       M_CZEXT(REG_RESULT, REG_RESULT);
+                       break;
+               case PRIMITIVETYPE_SHORT:
+                       M_SSEXT(REG_RESULT, REG_RESULT);
+                       break;
+               }
                M_IST(REG_RESULT, REG_SP, 1 * 8);
                break;
        case TYPE_LNG: