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[Bug target/79079] [6] Wrong code gen for __builtin_mul_overflow when TRULY_NOOP_TRUNCATION (32, 64) == false
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Feb 2017 07:00:14 +0000
- Subject: [Bug target/79079] [6] Wrong code gen for __builtin_mul_overflow when TRULY_NOOP_TRUNCATION (32, 64) == false
- Auto-submitted: auto-generated
- References: <bug-79079-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79079
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Feb 15 06:59:34 2017
New Revision: 245465
URL: https://gcc.gnu.org/viewcvs?rev=245465&root=gcc&view=rev
Log:
Backported from mainline
2017-01-17 Kito Cheng <kito.cheng@gmail.com>
Kuan-Lin Chen <kuanlinchentw@gmail.com>
PR target/79079
* internal-fn.c (expand_mul_overflow): Use convert_modes instead of
gen_lowpart.
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/internal-fn.c