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x86: honor VEX.W for VCVT{PH2PS,PS2PH}

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Unlike for the EVEX-encoded versions, the VEX ones failed to decode
VEX.W. Once the necessary adjustments are done, it becomes obvious that
the EVEX and VEX table entries for VCVTPS2PH are identical and can hence
be folded.
This commit is contained in:
Jan Beulich
2020-07-06 13:40:40 +02:00
parent 6df22cf64c
commit 6431c8015b
5 changed files with 27 additions and 15 deletions
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14
opcodes/ChangeLog
View File

@ -1,3 +1,17 @@
2020-07-06 Jan Beulich <jbeulich@suse.com>
* i386-dis.c (PREFIX_EVEX_0F3A1D, EVEX_W_0F3A1D_P_2): Delete.
(VEX_W_0F3813_P_2, VEX_W_0F3A1D_P_2): New enumerators.
(prefix_table): Reference VEX_W_0F3813_P_2 and VEX_W_0F3A1D_P_2
respectively.
(vex_w_table): New VEX_W_0F3813_P_2 and VEX_W_0F3A1D_P_2 table
entries.
* i386-dis-evex.h (evex_table): Reference VEX table entry for
opcode 0F3A1D.
* i386-dis-evex-prefix.h (PREFIX_EVEX_0F3A1D): Delete table
entry.
* i386-dis-evex-w.h (EVEX_W_0F3A1D_P_2): Likewise.
2020-07-06 Jan Beulich <jbeulich@suse.com>
* i386-dis.c (PREFIX_EVEX_0F60, PREFIX_EVEX_0F61,

6
opcodes/i386-dis-evex-prefix.h
View File

@ -1235,12 +1235,6 @@
{ Bad_Opcode },
{ VEX_W_TABLE (EVEX_W_0F3A1B_P_2) },
},
/* PREFIX_EVEX_0F3A1D */
{
{ Bad_Opcode },
{ Bad_Opcode },
{ VEX_W_TABLE (EVEX_W_0F3A1D_P_2) },
},
/* PREFIX_EVEX_0F3A1E */
{
{ Bad_Opcode },

4
opcodes/i386-dis-evex-w.h
View File

@ -738,10 +738,6 @@
{ EVEX_LEN_TABLE (EVEX_LEN_0F3A1B_P_2_W_0) },
{ EVEX_LEN_TABLE (EVEX_LEN_0F3A1B_P_2_W_1) },
},
/* EVEX_W_0F3A1D_P_2 */
{
{ "vcvtps2ph", { EXxmmq, XM, EXxEVexS, Ib }, 0 },
},
/* EVEX_W_0F3A21_P_2 */
{
{ "vinsertps", { XMM, Vex, EXxmm_md, Ib }, 0 },

2
opcodes/i386-dis-evex.h
View File

@ -616,7 +616,7 @@ static const struct dis386 evex_table[][256] = {
{ PREFIX_TABLE (PREFIX_EVEX_0F3A1A) },
{ PREFIX_TABLE (PREFIX_EVEX_0F3A1B) },
{ Bad_Opcode },
{ PREFIX_TABLE (PREFIX_EVEX_0F3A1D) },
{ PREFIX_TABLE (PREFIX_VEX_0F3A1D) },
{ PREFIX_TABLE (PREFIX_EVEX_0F3A1E) },
{ PREFIX_TABLE (PREFIX_EVEX_0F3A1F) },
/* 20 */

16
opcodes/i386-dis.c
View File

@ -1615,7 +1615,6 @@ enum
PREFIX_EVEX_0F3A19,
PREFIX_EVEX_0F3A1A,
PREFIX_EVEX_0F3A1B,
PREFIX_EVEX_0F3A1D,
PREFIX_EVEX_0F3A1E,
PREFIX_EVEX_0F3A1F,
PREFIX_EVEX_0F3A20,
@ -1910,6 +1909,7 @@ enum
VEX_W_0F380D_P_2,
VEX_W_0F380E_P_2,
VEX_W_0F380F_P_2,
VEX_W_0F3813_P_2,
VEX_W_0F3816_P_2,
VEX_W_0F3818_P_2,
VEX_W_0F3819_P_2,
@ -1934,6 +1934,7 @@ enum
VEX_W_0F3A06_P_2,
VEX_W_0F3A18_P_2,
VEX_W_0F3A19_P_2,
VEX_W_0F3A1D_P_2,
VEX_W_0F3A30_P_2_LEN_0,
VEX_W_0F3A31_P_2_LEN_0,
VEX_W_0F3A32_P_2_LEN_0,
@ -2110,7 +2111,6 @@ enum
EVEX_W_0F3A19_P_2,
EVEX_W_0F3A1A_P_2,
EVEX_W_0F3A1B_P_2,
EVEX_W_0F3A1D_P_2,
EVEX_W_0F3A21_P_2,
EVEX_W_0F3A23_P_2,
EVEX_W_0F3A38_P_2,
@ -5504,7 +5504,7 @@ static const struct dis386 prefix_table[][4] = {
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vcvtph2ps", { XM, EXxmmq }, 0 },
{ VEX_W_TABLE (VEX_W_0F3813_P_2) },
},
/* PREFIX_VEX_0F3816 */
@ -6326,7 +6326,7 @@ static const struct dis386 prefix_table[][4] = {
{
{ Bad_Opcode },
{ Bad_Opcode },
{ "vcvtps2ph", { EXxmmq, XM, Ib }, 0 },
{ VEX_W_TABLE (VEX_W_0F3A1D_P_2) },
},
/* PREFIX_VEX_0F3A20 */
@ -9902,6 +9902,10 @@ static const struct dis386 vex_w_table[][2] = {
/* VEX_W_0F380F_P_2 */
{ "vtestpd", { XM, EXx }, 0 },
},
{
/* VEX_W_0F3813_P_2 */
{ "vcvtph2ps", { XM, EXxmmq }, 0 },
},
{
/* VEX_W_0F3816_P_2 */
{ "vpermps", { XM, Vex, EXx }, 0 },
@ -10000,6 +10004,10 @@ static const struct dis386 vex_w_table[][2] = {
/* VEX_W_0F3A19_P_2 */
{ "vextractf128", { EXxmm, XM, Ib }, 0 },
},
{
/* VEX_W_0F3A1D_P_2 */
{ "vcvtps2ph", { EXxmmq, XM, EXxEVexS, Ib }, 0 },
},
{
/* VEX_W_0F3A30_P_2_LEN_0 */
{ MOD_TABLE (MOD_VEX_W_0_0F3A30_P_2_LEN_0) },