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Added the "shrd" instruction (doesn't seem to work)

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This commit is contained in:
Pierre Pronchery 2011-04-18 06:30:43 +00:00
parent d39c9b525e
commit 8973221291
2 changed files with 23 additions and 0 deletions
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19
src/arch/i386.ins
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@ -50,6 +50,7 @@
#define OP_R8 AO_REGISTER(0, 8, 0)
#define OP_RW AO_REGISTER(0, W, 0)
#define OP_al AO_REGISTER(AOF_IMPLICIT, REG_al_size, REG_al_id)
#define OP_cl AO_REGISTER(AOF_IMPLICIT, REG_cl_size, REG_cl_id)
#define OP_AX AO_REGISTER(AOF_IMPLICIT, W, REG_AX_id)
#define OP_CX AO_REGISTER(AOF_IMPLICIT, W, REG_CX_id)
#define OP_DX AO_REGISTER(AOF_IMPLICIT, W, REG_DX_id)
@ -420,6 +421,24 @@
{ "fwait", 0x9b, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
/* NOP 0x90 1 */
{ "nop", 0x90, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
/* SHRD 0x0fac 2 r/mW rW imm8 */
#if 1 /* FIXME doesn't work */
{ "shrd", 0x0fac, OP2F, OP_RMW_D0, OP_RW, OP_U8 },
{ "shrd", 0x0fac, OP2F, OP_RMW_D8, OP_RW, OP_U8 },
{ "shrd", 0x0fac, OP2F, OP_RMW_DW, OP_RW, OP_U8 },
{ "shrd", 0x0fac, OP2F, OP_RMW_RW, OP_RW, OP_U8 },
#endif
/* SHRD 0x0fad 2 r/mW rW cl */
#if 1 /* FIXME doesn't work */
{ "shrd", 0x0fad, OP2F, OP_RMW_D0, OP_RW, OP_cl },
{ "shrd", 0x0fad, OP2F, OP_RMW_D8, OP_RW, OP_cl },
{ "shrd", 0x0fad, OP2F, OP_RMW_DW, OP_RW, OP_cl },
{ "shrd", 0x0fad, OP2F, OP_RMW_RW, OP_RW, OP_cl },
#endif
/* SLDT 0x0f00 /0 2 r/mW */
/* FIXME implement */
/* SMSW 0x0f01 /4 2 r/mW */
/* FIXME implement */
/* STC 0xf9 */
{ "stc", 0xf9, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
/* STD 0xfd */

4
test/i386.S
View File

@ -146,6 +146,10 @@
fnclex
fwait
nop /* 90 */
#if 0 /* FIXME doesn't work */
shrd %eax, %eax, $0x31
shrd %eax, %eax, %cl
#endif
stc
std
sti