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authorH.J. Lu <hjl.tools@gmail.com>2018-09-17 09:33:20 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-09-17 09:33:35 -0700
commit04e2a1829ea137ac23ac96e98fd60f9d720dcdcb (patch)
tree6d9faae8d1067468634733e7b98c690cf8eae58d /opcodes
parentd5f787c2bc90793c1d781b7291758e77067daad5 (diff)
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x86: Set EVex=2 on EVEX.128 only vmovd and vmovq
EVEX "VMOVD xmm1, r32/m32", "VMOVD r32/m32, xmm2", "VMOVQ xmm1, r64/m64", "VMOVD r64/m64, xmm2", "VMOVQ xmm1, xmm2/m64" and "VMOVQ xmm1/m64, xmm2" can only be encoded with EVEX.128. Set EVex=2 on EVEX.128 only vmovd and vmovq. gas/ PR gas/23670 * testsuite/gas/i386/evex-lig-2.d: New file. * testsuite/gas/i386/evex-lig-2.s: Likewise. * testsuite/gas/i386/x86-64-evex-lig-2.d: Likewise. * testsuite/gas/i386/x86-64-evex-lig-2.s: Likewise. * testsuite/gas/i386/i386.exp: Run evex-lig-2 and x86-64-evex-lig-2. opcodes/ PR gas/23670 * i386-dis-evex.h (evex_table): Use EVEX_LEN_0F6E_P_2, EVEX_LEN_0F7E_P_1, EVEX_LEN_0F7E_P_2 and EVEX_LEN_0FD6_P_2. (EVEX_LEN_0F6E_P_2): New EVEX_LEN_TABLE entry. (EVEX_LEN_0F7E_P_1): Likewise. (EVEX_LEN_0F7E_P_2): Likewise. (EVEX_LEN_0FD6_P_2): Likewise. * i386-dis.c (USE_EVEX_LEN_TABLE): New. (EVEX_LEN_TABLE): Likewise. (EVEX_LEN_0F6E_P_2): New enum. (EVEX_LEN_0F7E_P_1): Likewise. (EVEX_LEN_0F7E_P_2): Likewise. (EVEX_LEN_0FD6_P_2): Likewise. (evex_len_table): New. (get_valid_dis386): Handle USE_EVEX_LEN_TABLE. * i386-opc.tbl: Set EVex=2 on EVEX.128 only vmovd and vmovq. * i386-tbl.h: Regenerated.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog20
-rw-r--r--opcodes/i386-dis-evex.h30
-rw-r--r--opcodes/i386-dis.c41
-rw-r--r--opcodes/i386-opc.tbl8
-rw-r--r--opcodes/i386-tbl.h8
5 files changed, 94 insertions, 13 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 4960430..5d57507 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,25 @@
2018-09-17 H.J. Lu <hongjiu.lu@intel.com>
+ PR gas/23670
+ * i386-dis-evex.h (evex_table): Use EVEX_LEN_0F6E_P_2,
+ EVEX_LEN_0F7E_P_1, EVEX_LEN_0F7E_P_2 and EVEX_LEN_0FD6_P_2.
+ (EVEX_LEN_0F6E_P_2): New EVEX_LEN_TABLE entry.
+ (EVEX_LEN_0F7E_P_1): Likewise.
+ (EVEX_LEN_0F7E_P_2): Likewise.
+ (EVEX_LEN_0FD6_P_2): Likewise.
+ * i386-dis.c (USE_EVEX_LEN_TABLE): New.
+ (EVEX_LEN_TABLE): Likewise.
+ (EVEX_LEN_0F6E_P_2): New enum.
+ (EVEX_LEN_0F7E_P_1): Likewise.
+ (EVEX_LEN_0F7E_P_2): Likewise.
+ (EVEX_LEN_0FD6_P_2): Likewise.
+ (evex_len_table): New.
+ (get_valid_dis386): Handle USE_EVEX_LEN_TABLE.
+ * i386-opc.tbl: Set EVex=2 on EVEX.128 only vmovd and vmovq.
+ * i386-tbl.h: Regenerated.
+
+2018-09-17 H.J. Lu <hongjiu.lu@intel.com>
+
PR gas/23665
* i386-dis.c (vex_len_table): Update VEX_LEN_0F6E_P_2 and
VEX_LEN_0F7E_P_2 entries.
diff --git a/opcodes/i386-dis-evex.h b/opcodes/i386-dis-evex.h
index 932f10a..73b6568 100644
--- a/opcodes/i386-dis-evex.h
+++ b/opcodes/i386-dis-evex.h
@@ -1208,7 +1208,7 @@ static const struct dis386 evex_table[][256] = {
{
{ Bad_Opcode },
{ Bad_Opcode },
- { VEX_W_TABLE (EVEX_W_0F6E_P_2) },
+ { EVEX_LEN_TABLE (EVEX_LEN_0F6E_P_2) },
},
/* PREFIX_EVEX_0F6F */
{
@@ -1345,8 +1345,8 @@ static const struct dis386 evex_table[][256] = {
/* PREFIX_EVEX_0F7E */
{
{ Bad_Opcode },
- { VEX_W_TABLE (EVEX_W_0F7E_P_1) },
- { VEX_W_TABLE (EVEX_W_0F7E_P_2) },
+ { EVEX_LEN_TABLE (EVEX_LEN_0F7E_P_1) },
+ { EVEX_LEN_TABLE (EVEX_LEN_0F7E_P_2) },
},
/* PREFIX_EVEX_0F7F */
{
@@ -1414,7 +1414,7 @@ static const struct dis386 evex_table[][256] = {
{
{ Bad_Opcode },
{ Bad_Opcode },
- { VEX_W_TABLE (EVEX_W_0FD6_P_2) },
+ { EVEX_LEN_TABLE (EVEX_LEN_0FD6_P_2) },
},
/* PREFIX_EVEX_0FD8 */
{
@@ -4100,3 +4100,25 @@ static const struct dis386 evex_table[][256] = {
},
#endif /* NEED_MOD_TABLE */
+#ifdef NEED_EVEX_LEN_TABLE
+ /* EVEX_LEN_0F6E_P_2 */
+ {
+ { VEX_W_TABLE (EVEX_W_0F6E_P_2) },
+ },
+
+ /* EVEX_LEN_0F7E_P_1 */
+ {
+ { VEX_W_TABLE (EVEX_W_0F7E_P_1) },
+ },
+
+ /* EVEX_LEN_0F7E_P_2 */
+ {
+ { VEX_W_TABLE (EVEX_W_0F7E_P_2) },
+ },
+
+ /* EVEX_LEN_0FD6_P_2 */
+ {
+ { VEX_W_TABLE (EVEX_W_0FD6_P_2) },
+ },
+
+#endif /* NEED_EVEX_LEN_TABLE */
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 89b824c..bc4db68 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -703,7 +703,8 @@ enum
USE_VEX_C5_TABLE,
USE_VEX_LEN_TABLE,
USE_VEX_W_TABLE,
- USE_EVEX_TABLE
+ USE_EVEX_TABLE,
+ USE_EVEX_LEN_TABLE
};
#define FLOAT NULL, { { NULL, FLOATCODE } }, 0
@@ -723,6 +724,7 @@ enum
#define VEX_LEN_TABLE(I) DIS386 (USE_VEX_LEN_TABLE, (I))
#define VEX_W_TABLE(I) DIS386 (USE_VEX_W_TABLE, (I))
#define EVEX_TABLE(I) DIS386 (USE_EVEX_TABLE, (I))
+#define EVEX_LEN_TABLE(I) DIS386 (USE_EVEX_LEN_TABLE, (I))
enum
{
@@ -1931,6 +1933,14 @@ enum
enum
{
+ EVEX_LEN_0F6E_P_2 = 0,
+ EVEX_LEN_0F7E_P_1,
+ EVEX_LEN_0F7E_P_2,
+ EVEX_LEN_0FD6_P_2
+};
+
+enum
+{
VEX_W_0F41_P_0_LEN_1 = 0,
VEX_W_0F41_P_2_LEN_1,
VEX_W_0F42_P_0_LEN_1,
@@ -9882,6 +9892,12 @@ static const struct dis386 vex_len_table[][2] = {
},
};
+static const struct dis386 evex_len_table[][3] = {
+#define NEED_EVEX_LEN_TABLE
+#include "i386-dis-evex.h"
+#undef NEED_EVEX_LEN_TABLE
+};
+
static const struct dis386 vex_w_table[][2] = {
{
/* VEX_W_0F41_P_0_LEN_1 */
@@ -11542,6 +11558,29 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info)
dp = &vex_len_table[dp->op[1].bytemode][vindex];
break;
+ case USE_EVEX_LEN_TABLE:
+ if (!vex.evex)
+ abort ();
+
+ switch (vex.length)
+ {
+ case 128:
+ vindex = 0;
+ break;
+ case 256:
+ vindex = 1;
+ break;
+ case 512:
+ vindex = 2;
+ break;
+ default:
+ abort ();
+ break;
+ }
+
+ dp = &evex_len_table[dp->op[1].bytemode][vindex];
+ break;
+
case USE_XOP_8F_TABLE:
FETCH_DATA (info, codep + 3);
/* All bits in the REX prefix are ignored. */
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index 70f7887..3aec575 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -3689,7 +3689,7 @@ vmovaps, 2, 0x28, None, 1, CpuAVX512F, D|Modrm|MaskingMorZ|VexOpcode=0|VexW=1|Di
vmovntps, 2, 0x2B, None, 1, CpuAVX512F, Modrm|VexOpcode=0|VexW=1|Disp8ShiftVL|CheckRegSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegYMM|RegZMM, XMMword|YMMword|ZMMword|Unspecified|BaseIndex }
vmovups, 2, 0x10, None, 1, CpuAVX512F, D|Modrm|MaskingMorZ|VexOpcode=0|VexW=1|Disp8ShiftVL|CheckRegSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegYMM|RegZMM|Unspecified|BaseIndex, RegXMM|RegYMM|RegZMM }
-vmovd, 2, 0x666E, None, 1, CpuAVX512F, D|Modrm|EVex=4|VexOpcode=0|VexW=1|Disp8MemShift=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg32|Unspecified|BaseIndex, RegXMM }
+vmovd, 2, 0x666E, None, 1, CpuAVX512F, D|Modrm|EVex=2|VexOpcode=0|VexW=1|Disp8MemShift=2|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg32|Unspecified|BaseIndex, RegXMM }
vmovddup, 2, 0xF212, None, 1, CpuAVX512F, Modrm|Masking=3|VexOpcode=0|VexW=2|Disp8ShiftVL|CheckRegSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegYMM|RegZMM|Unspecified|BaseIndex, RegYMM|RegZMM }
@@ -3712,9 +3712,9 @@ vmovhps, 2, 0x17, None, 1, CpuAVX512F, Modrm|EVex=4|VexOpcode=0|VexW=1|Disp8MemS
vmovlps, 3, 0x12, None, 1, CpuAVX512F, Modrm|EVex=4|VexOpcode=0|VexVVVV=1|VexW=1|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Qword|Unspecified|BaseIndex, RegXMM, RegXMM }
vmovlps, 2, 0x13, None, 1, CpuAVX512F, Modrm|EVex=4|VexOpcode=0|VexW=1|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM, Qword|Unspecified|BaseIndex }
-vmovq, 2, 0x666E, None, 1, CpuAVX512F|Cpu64, D|Modrm|EVex=4|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg64|Unspecified|BaseIndex, RegXMM }
-vmovq, 2, 0xF37E, None, 1, CpuAVX512F, Load|Modrm|EVex=4|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Qword|Unspecified|BaseIndex|RegXMM, RegXMM }
-vmovq, 2, 0x66D6, None, 1, CpuAVX512F, Modrm|EVex=4|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM, Qword|Unspecified|BaseIndex|RegXMM }
+vmovq, 2, 0x666E, None, 1, CpuAVX512F|Cpu64, D|Modrm|EVex=2|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Reg64|Unspecified|BaseIndex, RegXMM }
+vmovq, 2, 0xF37E, None, 1, CpuAVX512F, Load|Modrm|EVex=2|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Qword|Unspecified|BaseIndex|RegXMM, RegXMM }
+vmovq, 2, 0x66D6, None, 1, CpuAVX512F, Modrm|EVex=2|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM, Qword|Unspecified|BaseIndex|RegXMM }
vmovsd, 2, 0xF210, None, 1, CpuAVX512F, D|Modrm|EVex=4|MaskingMorZ|VexOpcode=0|VexW=2|Disp8MemShift=3|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Qword|Unspecified|BaseIndex, RegXMM }
vmovsd, 3, 0xF210, None, 1, CpuAVX512F, D|Modrm|EVex=4|Masking=3|VexOpcode=0|VexVVVV=1|VexW=2|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM|RegMem, RegXMM, RegXMM }
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index c4145c6..3a09599 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -35997,7 +35997,7 @@ const insn_template i386_optab[] =
0, 0, 0, 0, 0, 0 } },
{ 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 1, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
+ 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
0, 0 },
{ { { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0,
@@ -36730,7 +36730,7 @@ const insn_template i386_optab[] =
0, 0, 0, 1, 0, 0 } },
{ 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
+ 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
0, 0 },
{ { { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0,
@@ -36747,7 +36747,7 @@ const insn_template i386_optab[] =
0, 0, 0, 0, 0, 0 } },
{ 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
+ 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
0, 0 },
{ { { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0,
@@ -36764,7 +36764,7 @@ const insn_template i386_optab[] =
0, 0, 0, 0, 0, 0 } },
{ 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
+ 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
0, 0 },
{ { { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,