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[Bug gas/23642] Wrong encoding with -mevexwig=1
From: |
cvs-commit at gcc dot gnu.org |
Subject: |
[Bug gas/23642] Wrong encoding with -mevexwig=1 |
Date: |
Fri, 14 Sep 2018 19:22:17 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=23642
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot
gnu.org> ---
The master branch has been updated by H.J. Lu <address@hidden>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6865c0435a54e6d5f1fcc5cdcd56895e9a3c5484
commit 6865c0435a54e6d5f1fcc5cdcd56895e9a3c5484
Author: H.J. Lu <address@hidden>
Date: Fri Sep 14 12:19:58 2018 -0700
x86: Support VEX/EVEX WIG encoding
Add VEXWIG, defined as 3, to indicate that the VEX.W/EVEX.W bit is
ignored by such VEX/EVEX instructions, aka WIG instructions. Set
VexW=3 on VEX/EVEX WIG instructions. Update assembler to check
VEXWIG when setting the VEX.W bit.
gas/
PR gas/23642
* config/tc-i386.c (build_vex_prefix): Check VEXWIG when setting
the VEX.W bit.
(build_evex_prefix): Check VEXWIG when setting the EVEX.W bit.
opcodes/
PR gas/23642
* i386-opc.h (VEXWIG): New.
* i386-opc.tbl: Set VexW=3 on VEX/EVEX WIG instructions.
* i386-tbl.h: Regenerated.
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