diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index d7ac8ad..6fbf816 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -5210,11 +5210,17 @@ simplify_if_then_else (rtx x) if (true_code == EQ && true_val == const0_rtx && exact_log2 (nzb = nonzero_bits (from, GET_MODE (from))) >= 0) - false_code = EQ, false_val = GEN_INT (nzb); + { + false_code = EQ; + false_val = GEN_INT (trunc_int_for_mode (nzb, GET_MODE (from))); + } else if (true_code == EQ && true_val == const0_rtx && (num_sign_bit_copies (from, GET_MODE (from)) == GET_MODE_BITSIZE (GET_MODE (from)))) - false_code = EQ, false_val = constm1_rtx; + { + false_code = EQ; + false_val = constm1_rtx; + } /* Now simplify an arm if we know the value of the register in the branch and it is used in the arm. Be careful due to the potential |