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| author | Kito Cheng <kito@0xlab.org> | 2014-01-19 17:36:00 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2014-01-19 17:36:00 +0000 |
| commit | 7c5425fab70b1134c5a544ed5ce35693ea895eb7 (patch) | |
| tree | b2925500b89bb3f967f6a5832b86d62e09822ff0 /gcc/builtins.c | |
| parent | 167492b92014422ef2c8580acdf178ae20c5a839 (diff) | |
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builtins.c (expand_movstr): Check movstr expand done or fail.
2014-01-19 Kito Cheng <kito@0xlab.org>
* gcc/builtins.c (expand_movstr): Check movstr expand done or fail.
From-SVN: r206777
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 3 |
1 files changed, 2 insertions, 1 deletions
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) { |