diff options
| -rw-r--r-- | simplify.c | 2 | ||||
| -rw-r--r-- | validation/optim/shl-and1.c | 1 |
2 files changed, 2 insertions, 1 deletions
@@ -729,6 +729,8 @@ static int simplify_shift(struct instruction *insn, pseudo_t pseudo, long long v nmask = omask & mask; if (nmask == 0) return replace_with_pseudo(insn, value_pseudo(0)); + if (nmask == mask) + return replace_pseudo(insn, &insn->src1, def->src1); // do not simplify into ((A << S) & (M << S)) break; case OP_LSR: diff --git a/validation/optim/shl-and1.c b/validation/optim/shl-and1.c index 5f4fdcb1..13a1675b 100644 --- a/validation/optim/shl-and1.c +++ b/validation/optim/shl-and1.c @@ -12,7 +12,6 @@ unsigned shl_and1(unsigned x) /* * check-name: shl-and1 * check-command: test-linearize -Wno-decl $file - * check-known-to-fail * * check-output-ignore * check-output-contains: ret\\..*\\$0$ |