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| author | Jakub Jelinek <jakub@redhat.com> | 2012-03-28 16:47:45 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-03-28 16:47:45 +0200 |
| commit | f25a65f5d1c160e8e90bd8b4bfdc30437d00b482 (patch) | |
| tree | 9ae131a36d66e181fa70e08625f81cc6b17e71d7 /gcc/tree-ssa-ccp.c | |
| parent | 6df000ae2d8ce9dfb1e1c1198b30559ca8a1f290 (diff) | |
| download | gcc-f25a65f5d1c160e8e90bd8b4bfdc30437d00b482.zip gcc-f25a65f5d1c160e8e90bd8b4bfdc30437d00b482.tar.gz gcc-f25a65f5d1c160e8e90bd8b4bfdc30437d00b482.tar.bz2 | |
re PR middle-end/52691 (va_start to builtin_next_arg optimization lost)
PR middle-end/52691
* tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
__builtin_va_start to __builtin_next_arg if the latter is
builtin_decl_explicit_p rather than when it is not.
* gcc.dg/pr52691.c: New test.
From-SVN: r185917
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 2080c06..c28006a 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -2288,7 +2288,7 @@ optimize_stdarg_builtin (gimple call) case BUILT_IN_VA_START: if (!va_list_simple_ptr || targetm.expand_builtin_va_start != NULL - || builtin_decl_explicit_p (BUILT_IN_NEXT_ARG)) + || !builtin_decl_explicit_p (BUILT_IN_NEXT_ARG)) return NULL_TREE; if (gimple_call_num_args (call) != 2) |