"MulS" => {
"comment" => "construct MulS: MulS(a, b) = MulS(b, a) = a * b",
"cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
- "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "eax in_r3", "edx" ] },
+ "reg_req" => { "in" => [ "gp", "gp", "eax", "gp", "none" ], "out" => [ "eax", "edx" ] },
"emit" => '. mul %ia32_emit_unop /* Mul(%A1, %A2) -> %D1 */',
"outs" => [ "EAX", "EDX", "M" ],
},
"Mulh" => {
"comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
"cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
- "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "eax in_r3", "edx" ] },
+ "reg_req" => { "in" => [ "gp", "gp", "eax", "gp", "none" ], "out" => [ "eax", "edx" ] },
"emit" => '. imul %ia32_emit_unop /* Mulh(%A1, %A2) -> %D1 */',
"outs" => [ "EAX", "EDX", "M" ],
},
"DivMod" => {
"op_flags" => "F|L",
"state" => "exc_pinned",
- "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "eax in_r1", "edx in_r3" ] },
+ "reg_req" => { "in" => [ "eax", "gp", "edx", "none" ], "out" => [ "eax", "edx" ] },
"attr" => "ia32_op_flavour_t dm_flav",
"init_attr" => " attr->data.op_flav = dm_flav;",
"cmp_attr" => " return attr_a->data.op_flav != attr_b->data.op_flav;\n",
"emit" => '
if (get_ia32_id_cnst(n)) {
if (get_ia32_immop_type(n) == ia32_ImmConst) {
-. push %C /* Push(%A2) */
- } else {
-. push OFFSET FLAT:%C /* Push(%A2) */
+4. push %C /* Push const on stack */
+} else {
+4. push OFFSET FLAT:%C /* Push symconst on stack */
}
}
-else {
-. push %S2 /* Push(%A2) */
+else if (get_ia32_op_type(n) == ia32_Normal) {
+2. push %S2 /* Push(%A2) */
}
+else {
+2. push %ia32_emit_am /* Push memory to stack */
+};
',
"outs" => [ "stack", "M" ],
},
"Pop" => {
"comment" => "pop a gp register from the stack",
"reg_req" => { "in" => [ "esp", "none" ], "out" => [ "gp", "esp" ] },
- "emit" => '. pop %D1 /* Pop -> %D1 */',
+ "emit" => '
+if (get_ia32_op_type(n) == ia32_Normal) {
+2. pop %D1 /* Pop from stack into %D1 */
+}
+else {
+2. pop %ia32_emit_am /* Pop from stack into memory */
+}
+',
"outs" => [ "res", "stack", "M" ],
},
"op_flags" => "F|H",
"state" => "pinned",
"comment" => "implements a memcopy: CopyB(dst, src, size, mem) == memcpy(dst, src, size)",
- "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "edi in_r1", "esi in_r2", "ecx in_r3", "none" ] },
+ "reg_req" => { "in" => [ "edi", "esi", "ecx", "none" ], "out" => [ "edi", "esi", "ecx", "none" ] },
"outs" => [ "DST", "SRC", "CNT", "M" ],
},
"state" => "pinned",
"comment" => "implements a memcopy: CopyB(dst, src, mem) == memcpy(dst, src, attr(size))",
"cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
- "reg_req" => { "in" => [ "gp", "gp", "none" ], "out" => [ "edi in_r1", "esi in_r2", "none" ] },
+ "reg_req" => { "in" => [ "edi", "esi", "none" ], "out" => [ "edi", "esi", "none" ] },
"outs" => [ "DST", "SRC", "M" ],
},