-/* vm/jit/i386/codegen.c - machine code generator for i386
+/* src/vm/jit/i386/codegen.c - machine code generator for i386
Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
Changes: Joseph Wenninger
- $Id: codegen.c 1937 2005-02-10 11:12:57Z twisti $
+ $Id: codegen.c 2043 2005-03-20 13:49:20Z twisti $
*/
}
}
- a = (u4) &(((fieldinfo *) iptr->val.a)->value);
+ a = (ptrint) &(((fieldinfo *) iptr->val.a)->value);
switch (iptr->op1) {
case TYPE_INT:
case TYPE_ADR:
i386_fstpl_mem(cd, a);
fpu_st_offset--;
break;
- default:
- throw_cacao_exception_exit(string_java_lang_InternalError,
- "Unknown PUTSTATIC operand type %d",
- iptr->op1);
+ }
+ break;
+
+ case ICMD_PUTSTATICCONST: /* ... ==> ... */
+ /* val = value (in current instruction) */
+ /* op1 = type, val.a = field address (in */
+ /* following NOP) */
+
+ /* If the static fields' class is not yet initialized, we do it */
+ /* now. The call code is generated later. */
+ if (!((fieldinfo *) iptr[1].val.a)->class->initialized) {
+ codegen_addclinitref(cd, cd->mcodeptr, ((fieldinfo *) iptr[1].val.a)->class);
+
+ /* This is just for debugging purposes. Is very difficult to */
+ /* read patched code. Here we patch the following 5 nop's */
+ /* so that the real code keeps untouched. */
+ if (showdisassemble) {
+ i386_nop(cd);
+ i386_nop(cd);
+ i386_nop(cd);
+ i386_nop(cd);
+ i386_nop(cd);
+ }
+ }
+
+ a = (ptrint) &(((fieldinfo *) iptr[1].val.a)->value);
+ switch (iptr[1].op1) {
+ case TYPE_INT:
+ case TYPE_FLT:
+ i386_mov_imm_mem(cd, iptr->val.i, a);
+ break;
+ case TYPE_ADR:
+ i386_mov_imm_mem(cd, (ptrint) iptr->val.a, a);
+ break;
+ case TYPE_LNG:
+ case TYPE_DBL:
+ i386_mov_imm_mem(cd, iptr->val.l, a);
+ i386_mov_imm_mem(cd, iptr->val.l >> 32, a + 4);
+ break;
}
break;
}
}
- a = (u4) &(((fieldinfo *) iptr->val.a)->value);
+ a = (ptrint) &(((fieldinfo *) iptr->val.a)->value);
switch (iptr->op1) {
case TYPE_INT:
case TYPE_ADR:
fpu_st_offset++;
store_reg_to_var_flt(iptr->dst, d);
break;
- default:
- throw_cacao_exception_exit(string_java_lang_InternalError,
- "Unknown GETSTATIC operand type %d",
- iptr->op1);
}
break;
- case ICMD_PUTFIELD: /* ..., value ==> ... */
- /* op1 = type, val.i = field offset */
+ case ICMD_PUTFIELD: /* ..., objectref, value ==> ... */
+ /* op1 = type, val.a = field address */
a = ((fieldinfo *) (iptr->val.a))->offset;
+ var_to_reg_int(s1, src->prev, REG_ITMP1);
+ gen_nullptr_check(s1);
switch (iptr->op1) {
case TYPE_INT:
case TYPE_ADR:
- var_to_reg_int(s1, src->prev, REG_ITMP1);
var_to_reg_int(s2, src, REG_ITMP2);
- gen_nullptr_check(s1);
i386_mov_reg_membase(cd, s2, s1, a);
break;
case TYPE_LNG:
- var_to_reg_int(s1, src->prev, REG_ITMP1);
- gen_nullptr_check(s1);
if (src->flags & INMEMORY) {
i386_mov_membase_reg(cd, REG_SP, src->regoff * 8, REG_ITMP2);
i386_mov_reg_membase(cd, REG_ITMP2, s1, a);
}
break;
case TYPE_FLT:
- var_to_reg_int(s1, src->prev, REG_ITMP1);
var_to_reg_flt(s2, src, REG_FTMP1);
- gen_nullptr_check(s1);
i386_fstps_membase(cd, s1, a);
fpu_st_offset--;
break;
case TYPE_DBL:
- var_to_reg_int(s1, src->prev, REG_ITMP1);
var_to_reg_flt(s2, src, REG_FTMP1);
- gen_nullptr_check(s1);
i386_fstpl_membase(cd, s1, a);
fpu_st_offset--;
break;
- default:
- throw_cacao_exception_exit(string_java_lang_InternalError,
- "Unknown PUTFIELD operand type %d",
- iptr->op1);
+ }
+ break;
+
+ case ICMD_PUTFIELDCONST: /* ..., objectref ==> ... */
+ /* val = value (in current instruction) */
+ /* op1 = type, val.a = field address (in */
+ /* following NOP) */
+
+ a = ((fieldinfo *) (iptr[1].val.a))->offset;
+ var_to_reg_int(s1, src, REG_ITMP1);
+ gen_nullptr_check(s1);
+ switch (iptr[1].op1) {
+ case TYPE_INT:
+ case TYPE_FLT:
+ i386_mov_imm_membase(cd, iptr->val.i, s1, a);
+ break;
+ case TYPE_ADR:
+ i386_mov_imm_membase(cd, (ptrint) iptr->val.a, s1, a);
+ break;
+ case TYPE_LNG:
+ case TYPE_DBL:
+ i386_mov_imm_membase(cd, iptr->val.l, s1, a);
+ i386_mov_imm_membase(cd, iptr->val.l >> 32, s1, a + 4);
+ break;
}
break;
/* op1 = type, val.i = field offset */
a = ((fieldinfo *) (iptr->val.a))->offset;
+ var_to_reg_int(s1, src, REG_ITMP1);
+ gen_nullptr_check(s1);
switch (iptr->op1) {
case TYPE_INT:
case TYPE_ADR:
- var_to_reg_int(s1, src, REG_ITMP1);
d = reg_of_var(rd, iptr->dst, REG_ITMP2);
- gen_nullptr_check(s1);
i386_mov_membase_reg(cd, s1, a, d);
store_reg_to_var_int(iptr->dst, d);
break;
case TYPE_LNG:
- var_to_reg_int(s1, src, REG_ITMP1);
d = reg_of_var(rd, iptr->dst, REG_NULL);
- gen_nullptr_check(s1);
i386_mov_membase_reg(cd, s1, a, REG_ITMP2);
i386_mov_reg_membase(cd, REG_ITMP2, REG_SP, iptr->dst->regoff * 8);
i386_mov_membase_reg(cd, s1, a + 4, REG_ITMP2);
i386_mov_reg_membase(cd, REG_ITMP2, REG_SP, iptr->dst->regoff * 8 + 4);
break;
case TYPE_FLT:
- var_to_reg_int(s1, src, REG_ITMP1);
d = reg_of_var(rd, iptr->dst, REG_FTMP1);
- gen_nullptr_check(s1);
i386_flds_membase(cd, s1, a);
fpu_st_offset++;
store_reg_to_var_flt(iptr->dst, d);
break;
case TYPE_DBL:
- var_to_reg_int(s1, src, REG_ITMP1);
d = reg_of_var(rd, iptr->dst, REG_FTMP1);
- gen_nullptr_check(s1);
i386_fldl_membase(cd, s1, a);
fpu_st_offset++;
store_reg_to_var_flt(iptr->dst, d);
break;
- default:
- throw_cacao_exception_exit(string_java_lang_InternalError,
- "Unknown GETFIELD operand type %d",
- iptr->op1);
}
break;
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