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[Bug target/66112] __builtin_mul_overflow for int16_t emits poor code
- 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: Tue, 12 May 2015 08:11:44 +0000
- Subject: [Bug target/66112] __builtin_mul_overflow for int16_t emits poor code
- Auto-submitted: auto-generated
- References: <bug-66112-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66112
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 35522
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35522&action=edit
gcc5-pr66112.patch
Supposedly just using SWI248 instead of SWI48 iterator should fix this, though
not sure about all the AMD scheduling stuff.