diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-22 21:57:39 +0000 |
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| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-22 21:57:39 +0000 |
| commit | 4251e916a8a442c624ba3f43b87b781f138dea28 (patch) | |
| tree | fbbc9ef0803d049e20bb2941a4a18497a72da342 /gcc/gimplify.c | |
| parent | b473f47fc414a1e6014f6fed59098f22f85bee6b (diff) | |
| download | gcc-4251e916a8a442c624ba3f43b87b781f138dea28.tar.gz | |
* gimplify.c (gimplify_asm_expr): Reset the TREE_CHAIN of clobbers to
NULL_TREE before pushing them onto the vector. Likewise for labels.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202819 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 1589db44b42..86bda77692f 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -5419,11 +5419,21 @@ gimplify_asm_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) vec_safe_push (inputs, link); } - for (link = ASM_CLOBBERS (expr); link; ++i, link = TREE_CHAIN (link)) - vec_safe_push (clobbers, link); + link_next = NULL_TREE; + for (link = ASM_CLOBBERS (expr); link; ++i, link = link_next) + { + link_next = TREE_CHAIN (link); + TREE_CHAIN (link) = NULL_TREE; + vec_safe_push (clobbers, link); + } - for (link = ASM_LABELS (expr); link; ++i, link = TREE_CHAIN (link)) - vec_safe_push (labels, link); + link_next = NULL_TREE; + for (link = ASM_LABELS (expr); link; ++i, link = link_next) + { + link_next = TREE_CHAIN (link); + TREE_CHAIN (link) = NULL_TREE; + vec_safe_push (labels, link); + } /* Do not add ASMs with errors to the gimple IL stream. */ if (ret != GS_ERROR) |