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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/builtins.c | 3 |
2 files changed, 6 insertions, 1 deletions
@@ -1,3 +1,7 @@ +2014-01-19 Kito Cheng <kito@0xlab.org> + + * gcc/builtins.c (expand_movstr): Check movstr expand done or fail. + 2013-12-31 Chung-Lin Tang <cltang@codesourcery.com> Sandra Loosemore <sandra@codesourcery.com> diff --git a/gcc/builtins.c b/gcc/builtins.c index dc7c85e..983cbc5 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -3392,7 +3392,8 @@ expand_movstr (tree dest, tree src, rtx target, int endp) create_output_operand (&ops[0], endp ? target : NULL_RTX, Pmode); create_fixed_operand (&ops[1], dest_mem); create_fixed_operand (&ops[2], src_mem); - expand_insn (CODE_FOR_movstr, 3, ops); + if (!maybe_expand_insn (CODE_FOR_movstr, 3, ops)) + return NULL_RTX; if (endp && target != const0_rtx) { |