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| author | Jan Beulich <jbeulich@suse.com> | 2023-11-09 12:55:52 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2023-11-09 12:55:52 +0100 |
| commit | e7d74879870833fb0c42282da940e60fee13948e (patch) | |
| tree | 96ee80096c01d0b0594f34216347f7976cc76e64 /opcodes | |
| parent | 706ce98422dcbfa1ae073853c479854cb7c7f2a0 (diff) | |
| download | gdb-e7d74879870833fb0c42282da940e60fee13948e.zip gdb-e7d74879870833fb0c42282da940e60fee13948e.tar.gz gdb-e7d74879870833fb0c42282da940e60fee13948e.tar.bz2 | |
x86: rework UWRMSR operand swapping
As indicated during review already, doing the swapping early is overall
cheaper than doing it only after operand matching.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/i386-opc.tbl | 4 | ||||
| -rw-r--r-- | opcodes/i386-tbl.h | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl index 7020ca1..c31bf20 100644 --- a/opcodes/i386-opc.tbl +++ b/opcodes/i386-opc.tbl @@ -3356,6 +3356,8 @@ eretu, 0xf30f01ca, FRED, NoSuf, {} urdmsr, 0xf20f38f8, USER_MSR, RegMem|NoSuf|NoRex64, { Reg64, Reg64 } urdmsr, 0xf2f8/0, USER_MSR, Modrm|Vex128|VexMap7|VexW0|NoSuf, { Imm32, Reg64 } uwrmsr, 0xf30f38f8, USER_MSR, Modrm|NoSuf|NoRex64, { Reg64, Reg64 } -uwrmsr, 0xf3f8/0, USER_MSR, Modrm|Vex128|VexMap7|VexW0|NoSuf, { Reg64, Imm32 } +// Immediates want to be first; md_assemble() takes care of swapping operands +// accordingly. +uwrmsr, 0xf3f8/0, USER_MSR, Modrm|Vex128|VexMap7|VexW0|NoSuf, { Imm32, Reg64 } // USER_MSR instructions end. diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h index 5117bda..527793c 100644 --- a/opcodes/i386-tbl.h +++ b/opcodes/i386-tbl.h @@ -39668,9 +39668,9 @@ static const insn_template i386_optab[] = 0 }, { { 98, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 } }, { { 0, 0, 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, 1, 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, 1, 0, 0, 0, 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, 1, 0, 0, 0, 0, 0, 0, 0 } } } }, }; |