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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-03-01 06:08:04 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-03-01 06:08:31 -0800 |
| commit | 8305403a1ffa8e551fd1c7bd88af1a65c0ba747c (patch) | |
| tree | f7c1db859e0d9101de6a7a64a090bbf7fbda2fb4 /COPYING | |
| parent | b1223e789040e9e8cdc6869a8a1fd1fd7acc109d (diff) | |
| download | gdb-8305403a1ffa8e551fd1c7bd88af1a65c0ba747c.zip gdb-8305403a1ffa8e551fd1c7bd88af1a65c0ba747c.tar.gz gdb-8305403a1ffa8e551fd1c7bd88af1a65c0ba747c.tar.bz2 | |
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.
Diffstat (limited to 'COPYING')
0 files changed, 0 insertions, 0 deletions