diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 1d0e8be..0ab3f97 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -11096,6 +11096,7 @@ change_zero_ext (rtx *src) XEXP (x, 0), GEN_INT (start)); } else if (GET_CODE (x) == ZERO_EXTEND + && SCALAR_INT_MODE_P (mode) && GET_CODE (XEXP (x, 0)) == SUBREG && GET_MODE (SUBREG_REG (XEXP (x, 0))) == mode && subreg_lowpart_p (XEXP (x, 0))) @@ -11106,11 +11107,8 @@ change_zero_ext (rtx *src) else continue; - unsigned HOST_WIDE_INT mask = 1; - mask <<= size; - mask--; - - x = gen_rtx_AND (mode, x, GEN_INT (mask)); + wide_int mask = wi::mask (size, false, GET_MODE_PRECISION (mode)); + x = gen_rtx_AND (mode, x, immed_wide_int_const (mask, mode)); SUBST (**iter, x); changed = true; |