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Added the "shld" instruction and apparently fixed "shrd" as well

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This commit is contained in:
Pierre Pronchery 2011-04-18 21:10:53 +00:00
parent 5edb9c5c9f
commit 16537081a7
2 changed files with 20 additions and 14 deletions
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30
src/arch/i386.ins
View File

@ -419,20 +419,26 @@
{ "fwait", 0x9b, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
/* NOP 0x90 1 */
{ "nop", 0x90, OP1F, AOT_NONE, AOT_NONE, AOT_NONE },
/* SHLD 0x0fa4 2 r/mW rW imm8 */
{ "shld", 0x0fa4, OP2F, OP_RMW_D0_R,OP_RW, OP_U8 },
{ "shld", 0x0fa4, OP2F, OP_RMW_D8_R,OP_RW, OP_U8 },
{ "shld", 0x0fa4, OP2F, OP_RMW_DW_R,OP_RW, OP_U8 },
{ "shld", 0x0fa4, OP2F, OP_RMW_RW_R,OP_RW, OP_U8 },
/* SHLD 0x0fa5 2 r/mW rW cl */
{ "shld", 0x0fa5, OP2F, OP_RMW_D0_R,OP_RW, OP_cl },
{ "shld", 0x0fa5, OP2F, OP_RMW_D8_R,OP_RW, OP_cl },
{ "shld", 0x0fa5, OP2F, OP_RMW_DW_R,OP_RW, OP_cl },
{ "shld", 0x0fa5, OP2F, OP_RMW_RW_R,OP_RW, OP_cl },
/* 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", 0x0fac, OP2F, OP_RMW_D0_R,OP_RW, OP_U8 },
{ "shrd", 0x0fac, OP2F, OP_RMW_D8_R,OP_RW, OP_U8 },
{ "shrd", 0x0fac, OP2F, OP_RMW_DW_R,OP_RW, OP_U8 },
{ "shrd", 0x0fac, OP2F, OP_RMW_RW_R,OP_RW, OP_U8 },
/* 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
{ "shrd", 0x0fad, OP2F, OP_RMW_D0_R,OP_RW, OP_cl },
{ "shrd", 0x0fad, OP2F, OP_RMW_D8_R,OP_RW, OP_cl },
{ "shrd", 0x0fad, OP2F, OP_RMW_DW_R,OP_RW, OP_cl },
{ "shrd", 0x0fad, OP2F, OP_RMW_RW_R,OP_RW, OP_cl },
/* SLDT 0x0f00 /0 2 r/mW */
/* FIXME implement */
/* SMSW 0x0f01 /4 2 r/mW */

4
test/i386.S
View File

@ -145,10 +145,10 @@
fnclex
fwait
nop /* 90 */
#if 0 /* FIXME doesn't work */
shld %ecx, %edx, $0x31
shld %eax, %eax, %cl
shrd %eax, %eax, $0x31
shrd %eax, %eax, %cl
#endif
stc
std
sti