diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 16 |
1 files changed, 4 insertions, 12 deletions
@@ -3063,12 +3063,8 @@ find_comparison_args (enum rtx_code code, rtx *parg1, rtx *parg2, for STORE_FLAG_VALUE, also look at LT and GE operations. */ || ((code == NE || (code == LT - && GET_MODE_CLASS (inner_mode) == MODE_INT - && (GET_MODE_BITSIZE (inner_mode) - <= HOST_BITS_PER_WIDE_INT) - && (STORE_FLAG_VALUE - & ((HOST_WIDE_INT) 1 - << (GET_MODE_BITSIZE (inner_mode) - 1)))) + && val_signbit_known_set_p (inner_mode, + STORE_FLAG_VALUE)) #ifdef FLOAT_STORE_FLAG_VALUE || (code == LT && SCALAR_FLOAT_MODE_P (inner_mode) @@ -3083,12 +3079,8 @@ find_comparison_args (enum rtx_code code, rtx *parg1, rtx *parg2, } else if ((code == EQ || (code == GE - && GET_MODE_CLASS (inner_mode) == MODE_INT - && (GET_MODE_BITSIZE (inner_mode) - <= HOST_BITS_PER_WIDE_INT) - && (STORE_FLAG_VALUE - & ((HOST_WIDE_INT) 1 - << (GET_MODE_BITSIZE (inner_mode) - 1)))) + && val_signbit_known_set_p (inner_mode, + STORE_FLAG_VALUE)) #ifdef FLOAT_STORE_FLAG_VALUE || (code == GE && SCALAR_FLOAT_MODE_P (inner_mode) |