From 7c5425fab70b1134c5a544ed5ce35693ea895eb7 Mon Sep 17 00:00:00 2001 From: Kito Cheng Date: Sun, 19 Jan 2014 17:36:00 +0000 Subject: [PATCH] builtins.c (expand_movstr): Check movstr expand done or fail. 2014-01-19 Kito Cheng * gcc/builtins.c (expand_movstr): Check movstr expand done or fail. From-SVN: r206777 --- ChangeLog | 4 ++++ gcc/builtins.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index b210edc..99b9df5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2014-01-19 Kito Cheng + + * gcc/builtins.c (expand_movstr): Check movstr expand done or fail. + 2013-12-31 Chung-Lin Tang Sandra Loosemore 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) { -- 2.7.4