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| author | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-05-16 15:20:47 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-05-16 15:20:47 +0000 |
| commit | 29d1748506a81fedf0659c07a67905b883d6e808 (patch) | |
| tree | 2e373c59f43096e04f961f5f14f75741b13b6968 /gcc | |
| parent | a6590c31ac2964fe8a416c4ef3f82a751f98b6ab (diff) | |
| download | gcc-29d1748506a81fedf0659c07a67905b883d6e808.zip gcc-29d1748506a81fedf0659c07a67905b883d6e808.tar.gz gcc-29d1748506a81fedf0659c07a67905b883d6e808.tar.bz2 | |
tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on BUILT_IN_ALLOCA if stack checking is enabled.
* tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
BUILT_IN_ALLOCA if stack checking is enabled.
From-SVN: r159457
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/tree.c | 7 |
2 files changed, 12 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9c1cd4d..cd3a80f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-05-16 Eric Botcazou <ebotcazou@adacore.com> + + * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on + BUILT_IN_ALLOCA if stack checking is enabled. + 2010-05-16 Richard Guenther <rguenther@suse.de> * var-tracking.c (vars_copy_1): Inline ... @@ -33,7 +38,8 @@ 2010-05-15 Jan Hubicka <jh@suse.cz> - * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is analyzed. + * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is + analyzed. * passes.c (ipa_write_summaries): Write all analyzed nodes. 2010-05-15 Steven Bosscher <steven@gcc.gnu.org> @@ -9083,10 +9083,13 @@ build_common_builtin_nodes (void) tmp = tree_cons (NULL_TREE, size_type_node, void_list_node); ftype = build_function_type (ptr_type_node, tmp); local_define_builtin ("__builtin_alloca", ftype, BUILT_IN_ALLOCA, - "alloca", - ECF_MALLOC | (flag_stack_check ? 0 : ECF_NOTHROW)); + "alloca", ECF_MALLOC | ECF_NOTHROW); } + /* If we're checking the stack, `alloca' can throw. */ + if (flag_stack_check) + TREE_NOTHROW (built_in_decls[BUILT_IN_ALLOCA]) = 0; + tmp = tree_cons (NULL_TREE, ptr_type_node, void_list_node); tmp = tree_cons (NULL_TREE, ptr_type_node, tmp); tmp = tree_cons (NULL_TREE, ptr_type_node, tmp); |