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author | H.J. Lu <hjl.tools@gmail.com> | 2018-09-17 09:33:20 -0700 |
---|---|---|
committer | H.J. Lu <hjl.tools@gmail.com> | 2018-09-17 09:33:35 -0700 |
commit | 04e2a1829ea137ac23ac96e98fd60f9d720dcdcb (patch) | |
tree | 6d9faae8d1067468634733e7b98c690cf8eae58d /opcodes | |
parent | d5f787c2bc90793c1d781b7291758e77067daad5 (diff) | |
download | gdb-04e2a1829ea137ac23ac96e98fd60f9d720dcdcb.zip gdb-04e2a1829ea137ac23ac96e98fd60f9d720dcdcb.tar.gz gdb-04e2a1829ea137ac23ac96e98fd60f9d720dcdcb.tar.bz2 |
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/ChangeLog | 20 | ||||
-rw-r--r-- | opcodes/i386-dis-evex.h | 30 | ||||
-rw-r--r-- | opcodes/i386-dis.c | 41 | ||||
-rw-r--r-- | opcodes/i386-opc.tbl | 8 | ||||
-rw-r--r-- | opcodes/i386-tbl.h | 8 |
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, |