gcc/ChangeLog:
PR target/115169
* config/loongarch/loongarch.cc
(loongarch_expand_conditional_move): Guard REGNO with REG_P.
---
Bootstrapped with --enable-checking=all. Ok for trunk and 14?
gcc/config/loongarch/loongarch.cc | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/gcc/config/loongarch/loongarch.cc
b/gcc/config/loongarch/loongarch.cc
index e7835ae34ae..1b6df6a4365 100644
--- a/gcc/config/loongarch/loongarch.cc
+++ b/gcc/config/loongarch/loongarch.cc
@@ -5344,6 +5344,7 @@ loongarch_expand_conditional_move (rtx *operands)
rtx op1_extend = op1;
/* Record whether operands[2] and operands[3] modes are promoted to
word_mode. */
+ bool promote_op[2] = {false, false};
bool promote_p = false;
machine_mode mode = GET_MODE (operands[0]);
@@ -5351,9 +5352,15 @@ loongarch_expand_conditional_move (rtx *operands)
loongarch_emit_float_compare (&code, &op0, &op1);
else
{
- if ((REGNO (op0) == REGNO (operands[2])
- || (REGNO (op1) == REGNO (operands[3]) && (op1 != const0_rtx)))
- && (GET_MODE_SIZE (GET_MODE (op0)) < word_mode))
+ if (GET_MODE_SIZE (GET_MODE (op0)) < word_mode)
+ {
+ promote_op[0] = (REG_P (op0) && REG_P (operands[2]) &&
+ REGNO (op0) == REGNO (operands[2]));
+ promote_op[1] = (REG_P (op1) && REG_P (operands[3]) &&
+ REGNO (op1) == REGNO (operands[3]));
+ }
+
+ if (promote_op[0] || promote_op[1])
{
mode = word_mode;
promote_p = true;
@@ -5395,7 +5402,7 @@ loongarch_expand_conditional_move (rtx *operands)
if (promote_p)
{
- if (REGNO (XEXP (operands[1], 0)) == REGNO (operands[2]))
+ if (promote_op[0])
op2 = op0_extend;
else
{
@@ -5403,7 +5410,7 @@ loongarch_expand_conditional_move (rtx *operands)
op2 = force_reg (mode, op2);
}
- if (REGNO (XEXP (operands[1], 1)) == REGNO (operands[3]))
+ if (promote_op[1])
op3 = op1_extend;
else
{
--
2.45.1
