2021-09-07 Takayuki 'January June' Suwa <jjsuwa_sys3...@yahoo.co.jp>
gcc/
PR target/102115
* config/xtensa/xtensa.c (xtensa_emit_move_sequence): Add
'CONST_INT_P (src)' to the condition of the block that tries to
eliminate literal when loading integer contant.
---
gcc/config/xtensa/xtensa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index f4f8f1975c55..8d6755144c12 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -1084,7 +1084,8 @@ xtensa_emit_move_sequence (rtx *operands, machine_mode
mode)
{
/* Try to emit MOVI + SLLI sequence, that is smaller
than L32R + literal. */
- if (optimize_size && mode == SImode && register_operand (dst, mode))
+ if (optimize_size && mode == SImode && CONST_INT_P (src)
+ && register_operand (dst, mode))
{
HOST_WIDE_INT srcval = INTVAL (src);
int shift = ctz_hwi (srcval);
--
2.20.1
