diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index f755127..f0265d7 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -11530,8 +11530,8 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1) tmode != GET_MODE (op0); tmode = GET_MODE_WIDER_MODE (tmode)) if ((unsigned HOST_WIDE_INT) c0 == GET_MODE_MASK (tmode)) { - op0 = gen_lowpart (tmode, inner_op0); - op1 = gen_lowpart (tmode, inner_op1); + op0 = gen_lowpart_or_truncate (tmode, inner_op0); + op1 = gen_lowpart_or_truncate (tmode, inner_op1); code = unsigned_condition (code); changed = 1; break; @@ -12049,12 +12049,9 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1) & GET_MODE_MASK (mode)) + 1)) >= 0 && const_op >> i == 0 - && (tmode = mode_for_size (i, MODE_INT, 1)) != BLKmode - && (TRULY_NOOP_TRUNCATION_MODES_P (tmode, GET_MODE (op0)) - || (REG_P (XEXP (op0, 0)) - && reg_truncated_to_mode (tmode, XEXP (op0, 0))))) + && (tmode = mode_for_size (i, MODE_INT, 1)) != BLKmode) { - op0 = gen_lowpart (tmode, XEXP (op0, 0)); + op0 = gen_lowpart_or_truncate (tmode, XEXP (op0, 0)); continue; } |