(define_insn_and_split "*cmp<dwi>_doubleword"
[(set (reg:CCZ FLAGS_REG)
(compare:CCZ (match_operand:<DWI> 0 "nonimmediate_operand")
- (match_operand:<DWI> 1 "x86_64_hilo_general_operand")))]
+ (match_operand:<DWI> 1 "general_operand")))]
"ix86_pre_reload_split ()"
"#"
"&& 1"
else if (operands[0] == constm1_rtx)
emit_insn (gen_one_cmpl<mode>2 (operands[4], operands[1]));
else
- emit_insn (gen_xor<mode>3 (operands[4], operands[0], operands[1]));
+ {
+ if (CONST_SCALAR_INT_P (operands[1])
+ && !x86_64_immediate_operand (operands[1], <MODE>mode))
+ operands[1] = force_reg (<MODE>mode, operands[1]);
+ emit_insn (gen_xor<mode>3 (operands[4], operands[0], operands[1]));
+ }
if (operands[3] == const0_rtx)
operands[5] = operands[2];
else if (operands[2] == constm1_rtx)
emit_insn (gen_one_cmpl<mode>2 (operands[5], operands[3]));
else
- emit_insn (gen_xor<mode>3 (operands[5], operands[2], operands[3]));
+ {
+ if (CONST_SCALAR_INT_P (operands[3])
+ && !x86_64_immediate_operand (operands[3], <MODE>mode))
+ operands[3] = force_reg (<MODE>mode, operands[3]);
+ emit_insn (gen_xor<mode>3 (operands[5], operands[2], operands[3]));
+ }
}
})
--- /dev/null
+/* { dg-do compile { target int128 } } */
+/* { dg-options "-O2" } */
+int eq(__int128 x, __int128 y) { return x == y; }
+int ne(__int128 x, __int128 y) { return x != y; }
+/* { dg-final { scan-assembler-times "xorq" 4 } } */
+/* { dg-final { scan-assembler-times "setne" 1 } } */
+/* { dg-final { scan-assembler-times "sete" 1 } } */
+
--- /dev/null
+/* { dg-do compile { target int128 } } */
+/* { dg-options "-O2" } */
+
+__int128 x;
+__int128 y;
+
+int eq() { return x == y; }
+int ne() { return x != y; }
+
+/* { dg-final { scan-assembler-times "xorq" 4 } } */
+/* { dg-final { scan-assembler-times "setne" 1 } } */
+/* { dg-final { scan-assembler-times "sete" 1 } } */
--- /dev/null
+/* { dg-do compile { target int128 } } */
+/* { dg-options "-O2" } */
+
+__int128 x;
+int foo()
+{
+ __int128 t = 0x1234567890abcdefLL;
+ return x == t;
+}
+
+/* { dg-final { scan-assembler-times "movabsq" 1 } } */
+/* { dg-final { scan-assembler-times "xorq" 1 } } */
+/* { dg-final { scan-assembler-not "xorl" } } */