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added 16-bit x86 assembly support

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This commit is contained in:
Frederic Feret
2009-08-27 09:34:35 +02:00
committed by grischka
parent 2349efa61b
commit 0d768b9713
8 changed files with 245 additions and 37 deletions
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21
i386-asm.h
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@ -74,10 +74,8 @@ ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA
ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA))
/* prefixes */
DEF_ASM_OP0(aword, 0x67)
DEF_ASM_OP0(addr16, 0x67)
DEF_ASM_OP0(word, 0x66)
DEF_ASM_OP0(data16, 0x66)
DEF_ASM_OP0(addr32, 0x67)
DEF_ASM_OP0(data32, 0x66)
DEF_ASM_OP0(lock, 0xf0)
DEF_ASM_OP0(rep, 0xf3)
DEF_ASM_OP0(repe, 0xf3)
@ -120,9 +118,9 @@ ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW))
ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA))
ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S))
ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32))
ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG))
DEF_ASM_OP1(pushb, 0x6a, 0, OPC_B, OPT_IM8S)
ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW))
ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA))
@ -201,6 +199,7 @@ ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR))
ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR))
ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR))
ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR))
ALT(DEF_ASM_OP1(jmp, 0xff, 0, OPC_JMP | OPC_WL, OPT_REGW))
ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32))
ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA))
@ -350,6 +349,9 @@ ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG))
DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA)
DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA)
/* 386 */
DEF_ASM_OP0(loadall386, 0x0f07)
/* 486 */
DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 )
ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA ))
@ -363,7 +365,14 @@ ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT
DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA )
/* pentium pro */
ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovno, 0x0f41, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovc, 0x0f42, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovnc, 0x0f43, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovz, 0x0f44, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovnz, 0x0f45, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmovna, 0x0f46, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
ALT(DEF_ASM_OP2(cmova, 0x0f47, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32))
DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 )
DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 )