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| author | Richard Biener <rguenther@suse.de> | 2022-01-13 11:55:14 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-01-13 16:07:30 +0100 |
| commit | f45a2232bc8d6b88f52859cac502611395f3caf5 (patch) | |
| tree | dddf4ef7f9c86ed084ff60f3faad0f347e838409 /gcc | |
| parent | 53ead5787921be799593232cfc9931f916b79002 (diff) | |
| download | gcc-f45a2232bc8d6b88f52859cac502611395f3caf5.zip gcc-f45a2232bc8d6b88f52859cac502611395f3caf5.tar.gz gcc-f45a2232bc8d6b88f52859cac502611395f3caf5.tar.bz2 | |
c/104002 - shufflevector variable indexing
Variable indexing of a __builtin_shufflevector result is broken because
we fail to properly mark the TARGET_EXPR decl as addressable.
2022-01-13 Richard Biener <rguenther@suse.de>
PR c/104002
gcc/c-family/
* c-common.c (c_common_mark_addressable_vec): Handle TARGET_EXPR.
gcc/testsuite/
* c-c++-common/builtin-shufflevector-3.c: Move ...
* c-c++-common/torture/builtin-shufflevector-3.c: ... here.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/c-family/c-common.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/c-c++-common/torture/builtin-shufflevector-3.c (renamed from gcc/testsuite/c-c++-common/builtin-shufflevector-3.c) | 0 |
2 files changed, 4 insertions, 1 deletions
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index 4a6a4ed..a34f32f 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -6989,12 +6989,15 @@ c_common_mark_addressable_vec (tree t) } if (!VAR_P (t) && TREE_CODE (t) != PARM_DECL - && TREE_CODE (t) != COMPOUND_LITERAL_EXPR) + && TREE_CODE (t) != COMPOUND_LITERAL_EXPR + && TREE_CODE (t) != TARGET_EXPR) return; if (!VAR_P (t) || !DECL_HARD_REGISTER (t)) TREE_ADDRESSABLE (t) = 1; if (TREE_CODE (t) == COMPOUND_LITERAL_EXPR) TREE_ADDRESSABLE (COMPOUND_LITERAL_EXPR_DECL (t)) = 1; + else if (TREE_CODE (t) == TARGET_EXPR) + TREE_ADDRESSABLE (TARGET_EXPR_SLOT (t)) = 1; } diff --git a/gcc/testsuite/c-c++-common/builtin-shufflevector-3.c b/gcc/testsuite/c-c++-common/torture/builtin-shufflevector-3.c index 6e8fb64..6e8fb64 100644 --- a/gcc/testsuite/c-c++-common/builtin-shufflevector-3.c +++ b/gcc/testsuite/c-c++-common/torture/builtin-shufflevector-3.c |