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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-11-15 17:37:10 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-11-15 19:23:58 -0800 |
| commit | 074ee8d9a91d7573c1e8774a22e4e08f923adb18 (patch) | |
| tree | 488df1f360dcf7770fa4c792cdf75de61a061600 /gcc/tree-ssa-ccp.c | |
| parent | a031aaa2ac9d4c74994df085a0d8c79bd55792c9 (diff) | |
| download | gcc-074ee8d9a91d7573c1e8774a22e4e08f923adb18.zip gcc-074ee8d9a91d7573c1e8774a22e4e08f923adb18.tar.gz gcc-074ee8d9a91d7573c1e8774a22e4e08f923adb18.tar.bz2 | |
Add a missing return when transforming atomic bit test and operations
When failing to transform equivalent, but slighly different cases of
atomic bit test and operations to their canonical forms, return
immediately.
gcc/
PR middle-end/103268
* tree-ssa-ccp.c (optimize_atomic_bit_test_and): Add a missing
return.
gcc/testsuite/
PR middle-end/103268
* gcc.dg/pr103268-1.c: New test.
* gcc.dg/pr103268-2.c: Likewise.
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 0666dc6..18d5772 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -3638,6 +3638,8 @@ optimize_atomic_bit_test_and (gimple_stmt_iterator *gsip, use_stmt = use_nop_stmt; } } + else + return; if (!bit) { |