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[Bug target/71019] New: AVX512BW instructions emitted even without AVX512BW
- 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: Mon, 09 May 2016 10:46:53 +0000
- Subject: [Bug target/71019] New: AVX512BW instructions emitted even without AVX512BW
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71019
Bug ID: 71019
Summary: AVX512BW instructions emitted even without AVX512BW
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
With -mavx512vl -mno-avx512bw GCC emits vpack{ss,us}{wb,dw} EVEX encoded
instructions even when they are only in the AVX512BW ISA.