* src/threads/posix/thread-posix.cpp: Eliminated some easy-to-fix or pointless compil...
[cacao.git] / src / vm / jit / codegen-common.cpp
index 9920715b1c8d52b982c87f1cebc4db25c39afada..9b1dad8cdd3d5b9d443a96adca228a0d7e14a0a5 100644 (file)
@@ -1,6 +1,6 @@
 /* src/vm/jit/codegen-common.cpp - architecture independent code generator stuff
 
-   Copyright (C) 1996-2005, 2006, 2007, 2008, 2009
+   Copyright (C) 1996-2005, 2006, 2007, 2008, 2009, 2010
    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
    Copyright (C) 2009 Theobroma Systems Ltd.
 
@@ -996,7 +996,7 @@ s4 codegen_reg_of_dst(jitdata *jd, instruction *iptr, s4 tempregnum)
 bool codegen_emit(jitdata *jd)
 {
        varinfo*            var;
-       builtintable_entry* bte;
+       builtintable_entry* bte = 0;
        methoddesc*         md;
        int32_t             s1, s2, /*s3,*/ d;
        int32_t             fieldtype;
@@ -1250,6 +1250,13 @@ bool codegen_emit(jitdata *jd)
                                emit_nullpointer_check(cd, iptr, s1);
                                break;
 
+                       case ICMD_BREAKPOINT: /* ...  ==> ...                             */
+                                             /* sx.val.anyptr = Breakpoint               */
+
+                               patcher_add_patch_ref(jd, PATCHER_breakpoint, iptr->sx.val.anyptr, 0);
+                               PATCHER_NOPS;
+                               break;
+
 #if defined(ENABLE_SSA)
                        case ICMD_GETEXCEPTION:
 
@@ -1349,9 +1356,13 @@ bool codegen_emit(jitdata *jd)
                        case ICMD_IMUL:       /* ..., val1, val2  ==> ..., val1 * val2    */
                        case ICMD_IMULCONST:  /* ..., value  ==> ..., value * constant    */
                                              /* sx.val.i = constant                      */
+                       case ICMD_IMULPOW2:   /* ..., value  ==> ..., value * (2 ^ constant) */
+                                             /* sx.val.i = constant                      */
                        case ICMD_LMUL:       /* ..., val1, val2  ==> ..., val1 * val2    */
                        case ICMD_LMULCONST:  /* ..., value  ==> ..., value * constant    */
                                              /* sx.val.l = constant                      */
+                       case ICMD_LMULPOW2:   /* ..., value  ==> ..., value * (2 ^ constant) */
+                                             /* sx.val.l = constant                      */
                        case ICMD_IDIV:       /* ..., val1, val2  ==> ..., val1 / val2    */
                        case ICMD_IREM:       /* ..., val1, val2  ==> ..., val1 % val2    */
                        case ICMD_IDIVPOW2:   /* ..., value  ==> ..., value >> constant   */
@@ -1496,16 +1507,22 @@ bool codegen_emit(jitdata *jd)
 #if defined(__I386__)
                                // Generate architecture specific instructions.
                                codegen_emit_instruction(jd, iptr);
+                               break;
 #else
+                       {
+                               fieldinfo* fi;
+                               patchref_t* pr;
                                if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                        unresolved_field* uf = iptr->sx.s23.s3.uf;
                                        fieldtype = uf->fieldref->parseddesc.fd->type;
                                        disp      = dseg_add_unique_address(cd, 0);
 
-                                       patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+                                       pr = patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+
+                                       fi = NULL;              /* Silence compiler warning */
                                }
                                else {
-                                       fieldinfo* fi = iptr->sx.s23.s3.fmiref->p.field;
+                                       fi        = iptr->sx.s23.s3.fmiref->p.field;
                                        fieldtype = fi->type;
                                        disp      = dseg_add_address(cd, fi->value);
 
@@ -1514,13 +1531,18 @@ bool codegen_emit(jitdata *jd)
                                                patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                                                PROFILE_CYCLE_START;
                                        }
+
+                                       pr = NULL;              /* Silence compiler warning */
                                }
 
+#if defined(USES_PATCHABLE_MEMORY_BARRIER)
+                               codegen_emit_patchable_barrier(iptr, cd, pr, fi);
+#endif
+
                                // XXX X86_64: Here We had this:
                                /* This approach is much faster than moving the field
                                   address inline into a register. */
 
-                               // XXX ARM: M_DSEG_LOAD(REG_ITMP3, disp);
                                M_ALD_DSEG(REG_ITMP1, disp);
 
                                switch (fieldtype) {
@@ -1529,13 +1551,20 @@ bool codegen_emit(jitdata *jd)
                                        M_ALD(d, REG_ITMP1, 0);
                                        break;
                                case TYPE_INT:
+#if defined(ENABLE_SOFTFLOAT)
+                               case TYPE_FLT:
+#endif
                                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
                                        M_ILD(d, REG_ITMP1, 0);
                                        break;
                                case TYPE_LNG:
+#if defined(ENABLE_SOFTFLOAT)
+                               case TYPE_DBL:
+#endif
                                        d = codegen_reg_of_dst(jd, iptr, REG_LTMP23);
                                        M_LLD(d, REG_ITMP1, 0);
                                        break;
+#if !defined(ENABLE_SOFTFLOAT)
                                case TYPE_FLT:
                                        d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
                                        M_FLD(d, REG_ITMP1, 0);
@@ -1544,26 +1573,38 @@ bool codegen_emit(jitdata *jd)
                                        d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
                                        M_DLD(d, REG_ITMP1, 0);
                                        break;
+#endif
+                               default:
+                                       // Silence compiler warning.
+                                       d = 0;
                                }
                                emit_store_dst(jd, iptr, d);
-#endif
                                break;
+                       }
+#endif
 
                        case ICMD_PUTSTATIC:  /* ..., value  ==> ...                      */
 
 #if defined(__I386__)
                                // Generate architecture specific instructions.
                                codegen_emit_instruction(jd, iptr);
+                               break;
 #else
+                       {
+                               fieldinfo* fi;
+                               patchref_t* pr;
+
                                if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                        unresolved_field* uf = iptr->sx.s23.s3.uf;
                                        fieldtype = uf->fieldref->parseddesc.fd->type;
                                        disp      = dseg_add_unique_address(cd, 0);
 
-                                       patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+                                       pr = patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, disp);
+
+                                       fi = NULL;              /* Silence compiler warning */
                                }
                                else {
-                                       fieldinfo* fi = iptr->sx.s23.s3.fmiref->p.field;
+                                       fi = iptr->sx.s23.s3.fmiref->p.field;
                                        fieldtype = fi->type;
                                        disp      = dseg_add_address(cd, fi->value);
 
@@ -1572,13 +1613,14 @@ bool codegen_emit(jitdata *jd)
                                                patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                                                PROFILE_CYCLE_START;
                                        }
+
+                                       pr = NULL;              /* Silence compiler warning */
                                }
 
                                // XXX X86_64: Here We had this:
                                /* This approach is much faster than moving the field
                                   address inline into a register. */
 
-                               // XXX ARM: M_DSEG_LOAD(REG_ITMP3, disp);
                                M_ALD_DSEG(REG_ITMP1, disp);
 
                                switch (fieldtype) {
@@ -1587,13 +1629,20 @@ bool codegen_emit(jitdata *jd)
                                        M_AST(s1, REG_ITMP1, 0);
                                        break;
                                case TYPE_INT:
+#if defined(ENABLE_SOFTFLOAT)
+                               case TYPE_FLT:
+#endif
                                        s1 = emit_load_s1(jd, iptr, REG_ITMP2);
                                        M_IST(s1, REG_ITMP1, 0);
                                        break;
                                case TYPE_LNG:
+#if defined(ENABLE_SOFTFLOAT)
+                               case TYPE_DBL:
+#endif
                                        s1 = emit_load_s1(jd, iptr, REG_LTMP23);
                                        M_LST(s1, REG_ITMP1, 0);
                                        break;
+#if !defined(ENABLE_SOFTFLOAT)
                                case TYPE_FLT:
                                        s1 = emit_load_s1(jd, iptr, REG_FTMP2);
                                        M_FST(s1, REG_ITMP1, 0);
@@ -1602,9 +1651,14 @@ bool codegen_emit(jitdata *jd)
                                        s1 = emit_load_s1(jd, iptr, REG_FTMP2);
                                        M_DST(s1, REG_ITMP1, 0);
                                        break;
+#endif
                                }
+#if defined(USES_PATCHABLE_MEMORY_BARRIER)
+                               codegen_emit_patchable_barrier(iptr, cd, pr, fi);
 #endif
                                break;
+                       }
+#endif
 
                        /* branch operations **********************************************/
 
@@ -1813,6 +1867,9 @@ bool codegen_emit(jitdata *jd)
                                goto nowperformreturn;
 
                        case ICMD_IRETURN:    /* ..., retvalue ==> ...                    */
+#if defined(ENABLE_SOFTFLOAT)
+                       case ICMD_FRETURN:
+#endif
 
                                REPLACEMENT_POINT_RETURN(cd, iptr);
                                s1 = emit_load_s1(jd, iptr, REG_RESULT);
@@ -1821,6 +1878,9 @@ bool codegen_emit(jitdata *jd)
                                goto nowperformreturn;
 
                        case ICMD_LRETURN:    /* ..., retvalue ==> ...                    */
+#if defined(ENABLE_SOFTFLOAT)
+                       case ICMD_DRETURN:
+#endif
 
                                REPLACEMENT_POINT_RETURN(cd, iptr);
                                s1 = emit_load_s1(jd, iptr, REG_LRESULT);
@@ -1828,21 +1888,29 @@ bool codegen_emit(jitdata *jd)
                                emit_lmove(cd, s1, REG_LRESULT);
                                goto nowperformreturn;
 
+#if !defined(ENABLE_SOFTFLOAT)
                        case ICMD_FRETURN:    /* ..., retvalue ==> ...                    */
 
                                REPLACEMENT_POINT_RETURN(cd, iptr);
                                s1 = emit_load_s1(jd, iptr, REG_FRESULT);
-                               // XXX ARM: Here this was M_CAST_F2I(s1, REG_RESULT);
+#if !defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
                                emit_fmove(cd, s1, REG_FRESULT);
+#else
+                               M_CAST_F2I(s1, REG_RESULT);
+#endif
                                goto nowperformreturn;
 
                        case ICMD_DRETURN:    /* ..., retvalue ==> ...                    */
 
                                REPLACEMENT_POINT_RETURN(cd, iptr);
                                s1 = emit_load_s1(jd, iptr, REG_FRESULT);
-                               // XXX ARM: Here this was M_CAST_D2L(s1, REG_RESULT_PACKED);
+#if !defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
                                emit_dmove(cd, s1, REG_FRESULT);
+#else
+                               M_CAST_D2L(s1, REG_LRESULT);
+#endif
                                goto nowperformreturn;
+#endif
 
 nowperformreturn:
 #if !defined(NDEBUG)
@@ -1947,37 +2015,45 @@ gen_method:
                                                continue;
 
                                        if (!md->params[i].inmemory) {
-                                               assert(ARG_CNT > 0);
-                                               s1 = emit_load(jd, iptr, var, d);
-
                                                switch (var->type) {
                                                case TYPE_ADR:
                                                case TYPE_INT:
-                                                       assert(INT_ARG_CNT > 0);
+#if defined(ENABLE_SOFTFLOAT)
+                                               case TYPE_FLT:
+#endif
+                                                       s1 = emit_load(jd, iptr, var, d);
                                                        emit_imove(cd, s1, d);
                                                        break;
 
-#if 0 //XXX For ARM:
-if (!md->params[s3].inmemory) {
-       s1 = emit_load(jd, iptr, var, REG_FTMP1);
-       if (IS_2_WORD_TYPE(var->type))
-               M_CAST_D2L(s1, d);
-       else
-               M_CAST_F2I(s1, d);
-}
-#endif //XXX End of ARM!
-
                                                case TYPE_LNG:
+#if defined(ENABLE_SOFTFLOAT)
+                                               case TYPE_DBL:
+#endif
+                                                       s1 = emit_load(jd, iptr, var, d);
                                                        emit_lmove(cd, s1, d);
                                                        break;
 
+#if !defined(ENABLE_SOFTFLOAT)
                                                case TYPE_FLT:
+#if !defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
+                                                       s1 = emit_load(jd, iptr, var, d);
                                                        emit_fmove(cd, s1, d);
+#else
+                                                       s1 = emit_load(jd, iptr, var, REG_FTMP1);
+                                                       M_CAST_F2I(s1, d);
+#endif
                                                        break;
 
                                                case TYPE_DBL:
+#if !defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
+                                                       s1 = emit_load(jd, iptr, var, d);
                                                        emit_dmove(cd, s1, d);
+#else
+                                                       s1 = emit_load(jd, iptr, var, REG_FTMP1);
+                                                       M_CAST_D2L(s1, d);
+#endif
                                                        break;
+#endif
                                                }
                                        }
                                        else {
@@ -1992,6 +2068,9 @@ if (!md->params[s3].inmemory) {
                                                        break;
 
                                                case TYPE_INT:
+#if defined(ENABLE_SOFTFLOAT)
+                                               case TYPE_FLT:
+#endif
 #if SIZEOF_VOID_P == 4
                                                        s1 = emit_load(jd, iptr, var, REG_ITMP1);
                                                        M_IST(s1, REG_SP, d);
@@ -2001,12 +2080,16 @@ if (!md->params[s3].inmemory) {
 #endif
 
                                                case TYPE_LNG:
+#if defined(ENABLE_SOFTFLOAT)
+                                               case TYPE_DBL:
+#endif
                                                        s1 = emit_load(jd, iptr, var, REG_LTMP12);
                                                        // XXX Sparc64: Here this actually was:
                                                        //     M_STX(s1, REG_SP, JITSTACK + d);
                                                        M_LST(s1, REG_SP, d);
                                                        break;
 
+#if !defined(ENABLE_SOFTFLOAT)
                                                case TYPE_FLT:
 #if SIZEOF_VOID_P == 4
                                                        s1 = emit_load(jd, iptr, var, REG_FTMP1);
@@ -2022,6 +2105,7 @@ if (!md->params[s3].inmemory) {
                                                        //     M_DST(s1, REG_SP, JITSTACK + d);
                                                        M_DST(s1, REG_SP, d);
                                                        break;
+#endif
                                                }
                                        }
                                }
@@ -2051,6 +2135,9 @@ if (!md->params[s3].inmemory) {
                                switch (md->returntype.type) {
                                case TYPE_INT:
                                case TYPE_ADR:
+#if defined(ENABLE_SOFTFLOAT)
+                               case TYPE_FLT:
+#endif
                                        s1 = codegen_reg_of_dst(jd, iptr, REG_RESULT);
                                        // XXX Sparc64: This should actually be REG_RESULT_CALLER, fix this!
                                        emit_imove(cd, REG_RESULT, s1);
@@ -2058,35 +2145,38 @@ if (!md->params[s3].inmemory) {
                                        break;
 
                                case TYPE_LNG:
+#if defined(ENABLE_SOFTFLOAT)
+                               case TYPE_DBL:
+#endif
                                        s1 = codegen_reg_of_dst(jd, iptr, REG_LRESULT);
                                        // XXX Sparc64: This should actually be REG_RESULT_CALLER, fix this!
                                        emit_lmove(cd, REG_LRESULT, s1);
                                        emit_store_dst(jd, iptr, s1);
                                        break;
 
-#if 0 //XXX For ARM!!!
 #if !defined(ENABLE_SOFTFLOAT)
-                               } else {
-                                       s1 = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
-                                       if (IS_2_WORD_TYPE(d))
-                                               M_CAST_L2D(REG_RESULT_PACKED, s1);
-                                       else
-                                               M_CAST_I2F(REG_RESULT, s1);
-                               }
-#endif /* !defined(ENABLE_SOFTFLOAT) */
-#endif //XXX End of ARM
-
                                case TYPE_FLT:
+#if !defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
                                        s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
                                        emit_fmove(cd, REG_FRESULT, s1);
+#else
+                                       s1 = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+                                       M_CAST_I2F(REG_RESULT, s1);
+#endif
                                        emit_store_dst(jd, iptr, s1);
                                        break;
 
                                case TYPE_DBL:
+#if !defined(SUPPORT_PASS_FLOATARGS_IN_INTREGS)
                                        s1 = codegen_reg_of_dst(jd, iptr, REG_FRESULT);
                                        emit_dmove(cd, REG_FRESULT, s1);
+#else
+                                       s1 = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
+                                       M_CAST_L2D(REG_LRESULT, s1);
+#endif
                                        emit_store_dst(jd, iptr, s1);
                                        break;
+#endif
 
                                case TYPE_VOID:
                                        break;