diff options
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index a9bb2b1..0e5b0ab 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -110,6 +110,7 @@ static void REP_Fixup (int, int); static void CMPXCHG8B_Fixup (int, int); static void XMM_Fixup (int, int); static void CRC32_Fixup (int, int); +static void FXSAVE_Fixup (int, int); static void OP_LWPCB_E (int, int); static void OP_LWP_E (int, int); static void OP_LWP_I (int, int); @@ -358,6 +359,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr) #define OPSUF { OP_3DNowSuffix, 0 } #define CMP { CMP_Fixup, 0 } #define XMM0 { XMM_Fixup, 0 } +#define FXSAVE { FXSAVE_Fixup, 0 } #define Vex_2src_1 { OP_Vex_2src_1, 0 } #define Vex_2src_2 { OP_Vex_2src_2, 0 } @@ -9541,12 +9543,12 @@ static const struct dis386 mod_table[][2] = { }, { /* MOD_0FAE_REG_0 */ - { "fxsave", { M } }, + { "fxsave", { FXSAVE } }, { "(bad)", { XX } }, }, { /* MOD_0FAE_REG_1 */ - { "fxrstor", { M } }, + { "fxrstor", { FXSAVE } }, { "(bad)", { XX } }, }, { @@ -13641,6 +13643,22 @@ skip: OP_E (bytemode, sizeflag); } +static void +FXSAVE_Fixup (int bytemode, int sizeflag) +{ + /* Add proper suffix to "fxsave" and "fxrstor". */ + USED_REX (REX_W); + if (rex & REX_W) + { + char *p = mnemonicendp; + *p++ = '6'; + *p++ = '4'; + *p = '\0'; + mnemonicendp = p; + } + OP_M (bytemode, sizeflag); +} + /* Display the destination register operand for instructions with VEX. */ |