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[binutils-gdb] x86: Encode AVX256/AVX512 vpsub[bwdq] with VEX128/EVEX128
- From: sergiodj+buildbot at sergiodj dot net
- To: gdb-testers at sourceware dot org
- Date: Thu, 01 Mar 2018 09:29:09 -0500
- Subject: [binutils-gdb] x86: Encode AVX256/AVX512 vpsub[bwdq] with VEX128/EVEX128
- Authentication-results: sourceware.org; auth=none
*** TEST RESULTS FOR COMMIT 8305403a1ffa8e551fd1c7bd88af1a65c0ba747c ***
Author: H.J. Lu <hjl.tools@gmail.com>
Branch: master
Commit: 8305403a1ffa8e551fd1c7bd88af1a65c0ba747c
x86: Encode AVX256/AVX512 vpsub[bwdq] with VEX128/EVEX128
When 2 source registers are identical, AVX256 and AVX512 vpsub[bwdq]
instructions can be encoded with VEX128 or EVEX128 encodings.
gas/
* config/tc-i386.c (optimize_encoding): Optimize AVX256 and
AVX512 vpsub[bwdq] instructions.
* testsuite/gas/i386/optimize-1.s: Add tests for AVX256 and
AVX512 vpsub[bwdq] instructions.
* testsuite/gas/i386/x86-64-optimize-2.s: Likewise.
* testsuite/gas/i386/optimize-1.d: Updated.
* testsuite/gas/i386/x86-64-optimize-2.d: Likewise.
opcodes/
* * i386-opc.tbl: Add "Optimize" to AVX256 and AVX512
vpsub[bwdq] instructions.
* i386-tbl.h: Regenerated.
- Follow-Ups:
- Failures on Fedora-i686, branch master
- Failures on Fedora-x86_64-m32, branch master
- Failures on Fedora-x86_64-m64, branch master
- Failures on Fedora-x86_64-native-gdbserver-m32, branch master
- Failures on Ubuntu-AArch32-native-extended-gdbserver-m32, branch master
- Failures on Fedora-s390x-m64, branch master
- Failures on Fedora-x86_64-native-extended-gdbserver-m32, branch master
- Failures on Ubuntu-AArch32-native-gdbserver-m32, branch master
- Failures on Ubuntu-AArch32-m32, branch master
- Failures on Debian-s390x-m64, branch master
- Failures on Debian-s390x-native-extended-gdbserver-m64, branch master
- Failures on Debian-s390x-native-gdbserver-m64, branch master
- Failures on Ubuntu-AArch64-m64, branch master