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| author | Jan Beulich <jbeulich@suse.com> | 2020-07-08 11:19:26 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2020-07-08 11:19:26 +0200 |
| commit | 6384fd9e1d3f8e692c8686a104caec23cf2fc05f (patch) | |
| tree | 3fa47d16c6f29d3d7fec04c096220dd9d0cf1750 /opcodes/ChangeLog | |
| parent | e6123d0c615577915495a356b007cdfe97ee5945 (diff) | |
| download | gdb-6384fd9e1d3f8e692c8686a104caec23cf2fc05f.zip gdb-6384fd9e1d3f8e692c8686a104caec23cf2fc05f.tar.gz gdb-6384fd9e1d3f8e692c8686a104caec23cf2fc05f.tar.bz2 | |
x86: FMA4 scalar insns ignore VEX.L
Just like other VEX-encoded scalar insns do.
Besides a testcase for this behavior also introduce one to verify that
XOP scalar insns don't honor -mavxscalar=256, as they don't ignore
XOP.L.
Diffstat (limited to 'opcodes/ChangeLog')
| -rw-r--r-- | opcodes/ChangeLog | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index b6080b3..c1103f4 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,17 @@ 2020-07-08 Jan Beulich <jbeulich@suse.com> + * i386-dis.c (XMVexScalarI4): Define. + (VEX_LEN_0F3A6A_P_2, VEX_LEN_0F3A6B_P_2, VEX_LEN_0F3A6E_P_2, + VEX_LEN_0F3A6F_P_2, VEX_LEN_0F3A7A_P_2, VEX_LEN_0F3A7B_P_2, + VEX_LEN_0F3A7E_P_2, VEX_LEN_0F3A7F_P_2): Delete. + (vex_len_table): Move scalar FMA4 entries ... + (prefix_table): ... here. + (OP_REG_VexI4): Handle scalar_mode. + * i386-opc.tbl: Use VexLIG for scalar FMA4 insns. + * i386-tbl.h: Re-generate. + +2020-07-08 Jan Beulich <jbeulich@suse.com> + * i386-dis.c (OP_Vex_2src_1, OP_Vex_2src_2, Vex_2src_1, Vex_2src_2): Delete. (OP_VexW, VexW): New. |