diff options
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index c81e27e..e431e0c 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1249,7 +1249,8 @@ simplify_context::simplify_unary_operation_1 (rtx_code code, machine_mode mode, than HOST_BITS_PER_WIDE_INT. */ if (HWI_COMPUTABLE_MODE_P (mode) && COMPARISON_P (op) - && (STORE_FLAG_VALUE & ~GET_MODE_MASK (mode)) == 0) + && (STORE_FLAG_VALUE & ~GET_MODE_MASK (mode)) == 0 + && TRULY_NOOP_TRUNCATION_MODES_P (mode, GET_MODE (op))) { temp = rtl_hooks.gen_lowpart_no_emit (mode, op); if (temp) |