diff options
| author | Jan Beulich <jbeulich@suse.com> | 2023-01-27 09:22:49 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2023-01-27 09:22:49 +0100 |
| commit | bd78280846e197537cf1ad2a2d52c331be5cb4a2 (patch) | |
| tree | c148124747dbcafa0aae21fb5232e87cdd97748a /opcodes/i386-opc.h | |
| parent | c47b4d71203e8f53d998b891c4c1beaecd43c728 (diff) | |
| download | gdb-bd78280846e197537cf1ad2a2d52c331be5cb4a2.zip gdb-bd78280846e197537cf1ad2a2d52c331be5cb4a2.tar.gz gdb-bd78280846e197537cf1ad2a2d52c331be5cb4a2.tar.bz2 | |
x86: use ModR/M for FPU insns with operands
This is the correct way of expressing things; encoding the ModR/M byte
directly in base_opcode has always been bogus.
Diffstat (limited to 'opcodes/i386-opc.h')
| -rw-r--r-- | opcodes/i386-opc.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/opcodes/i386-opc.h b/opcodes/i386-opc.h index 6739d49..b092b75 100644 --- a/opcodes/i386-opc.h +++ b/opcodes/i386-opc.h @@ -931,8 +931,8 @@ typedef struct insn_template #define Opcode_D 0x2 /* Direction bit: set if Reg --> Regmem; unset if Regmem --> Reg. */ -#define Opcode_FloatR 0x8 /* Bit to swap src/dest for float insns. */ -#define Opcode_FloatD 0x400 /* Direction bit for float insns. */ +#define Opcode_FloatR 0x8 /* ModR/M bit to swap src/dest for float insns. */ +#define Opcode_FloatD 0x4 /* Direction bit for float insns. */ #define Opcode_ExtD 0x1 /* Direction bit for extended opcode space insns. */ #define Opcode_SIMD_IntD 0x10 /* Direction bit for SIMD int insns. */ /* The next value is arbitrary, as long as it's non-zero and distinct |