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[binutils-gdb] x86: Support VEX/EVEX WIG encoding
- From: sergiodj+buildbot at sergiodj dot net
- To: gdb-testers at sourceware dot org
- Date: Fri, 14 Sep 2018 15:37:06 -0400
- Subject: [binutils-gdb] x86: Support VEX/EVEX WIG encoding
*** TEST RESULTS FOR COMMIT 6865c0435a54e6d5f1fcc5cdcd56895e9a3c5484 ***
Author: H.J. Lu <hjl.tools@gmail.com>
Branch: master
Commit: 6865c0435a54e6d5f1fcc5cdcd56895e9a3c5484
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.