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[Bug target/82038] Very poor optimization of constant multiply on ARM Cortex-M7
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 30 Aug 2017 15:44:47 +0000
- Subject: [Bug target/82038] Very poor optimization of constant multiply on ARM Cortex-M7
- Auto-submitted: auto-generated
- References: <bug-82038-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82038
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I don't think these two assembly code gives the same output if x was negative.