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x86: reuse VEX entries for EVEX vperm{q,pd}

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By matching VEX decode order (L before W), some EVEX entries can refer
back to VEX ones instead of carrying duplicates.
This commit is contained in:
Jan Beulich 2021-03-10 08:18:24 +01:00
parent fc681dd6a1
commit 066f82b96a
5 changed files with 20 additions and 22 deletions
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10
opcodes/ChangeLog
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@ -1,3 +1,13 @@
2021-03-10 Jan Beulich <jbeulich@suse.com>
* opcodes/i386-dis.c (EVEX_LEN_0F3A00_W_1, EVEX_LEN_0F3A01_W_1):
Rename to EVEX_LEN_0F3A00 and EVEX_LEN_0F3A01 respectively.
EVEX_W_0F3A00, EVEX_W_0F3A01): Delete.
* i386-dis-evex.h (evex_table): Adjust opcode 0F3A00 and 0F3A01
entries.
* i386-dis-evex-len.h (evex_len_table): Likewise.
* i386-dis-evex-w.h: Remove opcode 0F3A00 and 0F3A01 entries.
2021-03-10 Jan Beulich <jbeulich@suse.com>
* opcodes/i386-dis.c (REG_EVEX_0F38C6, REG_EVEX_0F38C7,

12
opcodes/i386-dis-evex-len.h
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@ -92,18 +92,18 @@ static const struct dis386 evex_len_table[][3] = {
{ VEX_W_TABLE (EVEX_W_0F38C7_M_0_L_2) },
},
/* EVEX_LEN_0F3A00_W_1 */
/* EVEX_LEN_0F3A00 */
{
{ Bad_Opcode },
{ "vpermq", { XM, EXx, Ib }, PREFIX_DATA },
{ "vpermq", { XM, EXx, Ib }, PREFIX_DATA },
{ VEX_W_TABLE (VEX_W_0F3A00_L_1) },
{ VEX_W_TABLE (VEX_W_0F3A00_L_1) },
},
/* EVEX_LEN_0F3A01_W_1 */
/* EVEX_LEN_0F3A01 */
{
{ Bad_Opcode },
{ "vpermpd", { XM, EXx, Ib }, PREFIX_DATA },
{ "vpermpd", { XM, EXx, Ib }, PREFIX_DATA },
{ VEX_W_TABLE (VEX_W_0F3A01_L_1) },
{ VEX_W_TABLE (VEX_W_0F3A01_L_1) },
},
/* EVEX_LEN_0F3A14 */

10
opcodes/i386-dis-evex-w.h
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@ -580,16 +580,6 @@
{ REG_TABLE (REG_EVEX_0F38C7_M_0_L_2_W_0) },
{ REG_TABLE (REG_EVEX_0F38C7_M_0_L_2_W_1) },
},
/* EVEX_W_0F3A00 */
{
{ Bad_Opcode },
{ EVEX_LEN_TABLE (EVEX_LEN_0F3A00_W_1) },
},
/* EVEX_W_0F3A01 */
{
{ Bad_Opcode },
{ EVEX_LEN_TABLE (EVEX_LEN_0F3A01_W_1) },
},
/* EVEX_W_0F3A05 */
{
{ Bad_Opcode },

4
opcodes/i386-dis-evex.h
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@ -584,8 +584,8 @@ static const struct dis386 evex_table[][256] = {
/* EVEX_0F3A */
{
/* 00 */
{ VEX_W_TABLE (EVEX_W_0F3A00) },
{ VEX_W_TABLE (EVEX_W_0F3A01) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F3A00) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F3A01) },
{ Bad_Opcode },
{ "valign%DQ", { XM, Vex, EXx, Ib }, PREFIX_DATA },
{ VEX_W_TABLE (VEX_W_0F3A04) },

6
opcodes/i386-dis.c
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@ -1349,8 +1349,8 @@ enum
EVEX_LEN_0F385B_M_0,
EVEX_LEN_0F38C6_M_0,
EVEX_LEN_0F38C7_M_0,
EVEX_LEN_0F3A00_W_1,
EVEX_LEN_0F3A01_W_1,
EVEX_LEN_0F3A00,
EVEX_LEN_0F3A01,
EVEX_LEN_0F3A14,
EVEX_LEN_0F3A15,
EVEX_LEN_0F3A16,
@ -1614,8 +1614,6 @@ enum
EVEX_W_0F38A3,
EVEX_W_0F38C7_M_0_L_2,
EVEX_W_0F3A00,
EVEX_W_0F3A01,
EVEX_W_0F3A05,
EVEX_W_0F3A08,
EVEX_W_0F3A09,