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gimplify.c (gimplify_asm_expr): Reset the TREE_CHAIN of clobbers to NULL_TREE before pushing them onto the vector. 

* gimplify.c (gimplify_asm_expr): Reset the TREE_CHAIN of clobbers to
	NULL_TREE before pushing them onto the vector.  Likewise for labels.

From-SVN: r202819
This commit is contained in:
Eric Botcazou 2013-09-22 21:57:39 +00:00 committed by Eric Botcazou
parent 9779c871af
commit ca081cc8da
2 changed files with 19 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2013-09-22 Eric Botcazou <ebotcazou@adacore.com>
* gimplify.c (gimplify_asm_expr): Reset the TREE_CHAIN of clobbers to
NULL_TREE before pushing them onto the vector. Likewise for labels.
2013-09-21 Eric Botcazou <ebotcazou@adacore.com> 2013-09-21 Eric Botcazou <ebotcazou@adacore.com>
* config/ia64/predicates.md (ia64_cbranch_operator): Accept unordered * config/ia64/predicates.md (ia64_cbranch_operator): Accept unordered

18
gcc/gimplify.c
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@ -5419,11 +5419,21 @@ gimplify_asm_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p)
vec_safe_push (inputs, link); vec_safe_push (inputs, link);
} }
for (link = ASM_CLOBBERS (expr); link; ++i, link = TREE_CHAIN (link)) link_next = NULL_TREE;
vec_safe_push (clobbers, link); 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)) link_next = NULL_TREE;
vec_safe_push (labels, link); 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. */ /* Do not add ASMs with errors to the gimple IL stream. */
if (ret != GS_ERROR) if (ret != GS_ERROR)