insnsa.c

开源的nasm编译器源码,研究编译器原理很有帮且

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static struct itemplate instrux_CVTSD2SS[] = {
    {I_CVTSD2SS, 2, {XMMREG,XMMREG,0}, "\3\xF2\x0F\x5A\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTSD2SS, 2, {XMMREG,MEMORY,0}, "\301\3\xF2\x0F\x5A\110", IF_WILLAMETTE|IF_SSE2},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTSI2SD[] = {
    {I_CVTSI2SD, 2, {XMMREG,REG32,0}, "\3\xF2\x0F\x2A\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTSI2SD, 2, {XMMREG,MEMORY,0}, "\301\3\xF2\x0F\x2A\110", IF_WILLAMETTE|IF_SSE2},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTSI2SS[] = {
    {I_CVTSI2SS, 2, {XMMREG,MEMORY,0}, "\301\333\2\x0F\x2A\110", IF_KATMAI|IF_SSE|IF_SD|IF_AR1},
    {I_CVTSI2SS, 2, {XMMREG,REG32,0}, "\333\2\x0F\x2A\110", IF_KATMAI|IF_SSE},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTSS2SD[] = {
    {I_CVTSS2SD, 2, {XMMREG,XMMREG,0}, "\333\2\x0F\x5A\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTSS2SD, 2, {XMMREG,MEMORY,0}, "\301\333\2\x0F\x5A\110", IF_WILLAMETTE|IF_SSE2},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTSS2SI[] = {
    {I_CVTSS2SI, 2, {REG32,MEMORY,0}, "\301\333\2\x0F\x2D\110", IF_KATMAI|IF_SSE},
    {I_CVTSS2SI, 2, {REG32,XMMREG,0}, "\333\2\x0F\x2D\110", IF_KATMAI|IF_SSE},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTTPD2DQ[] = {
    {I_CVTTPD2DQ, 2, {XMMREG,XMMREG,0}, "\3\x66\x0F\xE6\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTTPD2DQ, 2, {XMMREG,MEMORY,0}, "\301\3\x66\x0F\xE6\110", IF_WILLAMETTE|IF_SSE2|IF_SM},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTTPD2PI[] = {
    {I_CVTTPD2PI, 2, {MMXREG,XMMREG,0}, "\3\x66\x0F\x2C\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTTPD2PI, 2, {MMXREG,MEMORY,0}, "\301\3\x66\x0F\x2C\110", IF_WILLAMETTE|IF_SSE2},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTTPS2DQ[] = {
    {I_CVTTPS2DQ, 2, {XMMREG,XMMREG,0}, "\333\2\x0F\x5B\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTTPS2DQ, 2, {XMMREG,MEMORY,0}, "\301\333\2\x0F\x5B\110", IF_WILLAMETTE|IF_SSE2|IF_SM},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTTPS2PI[] = {
    {I_CVTTPS2PI, 2, {MMXREG,MEMORY,0}, "\301\331\2\x0F\x2C\110", IF_KATMAI|IF_SSE|IF_MMX},
    {I_CVTTPS2PI, 2, {MMXREG,XMMREG,0}, "\331\2\x0F\x2C\110", IF_KATMAI|IF_SSE|IF_MMX},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTTSD2SI[] = {
    {I_CVTTSD2SI, 2, {REG32,XMMREG,0}, "\3\xF2\x0F\x2C\110", IF_WILLAMETTE|IF_SSE2},
    {I_CVTTSD2SI, 2, {REG32,MEMORY,0}, "\301\3\xF2\x0F\x2C\110", IF_WILLAMETTE|IF_SSE2},
    ITEMPLATE_END
};

static struct itemplate instrux_CVTTSS2SI[] = {
    {I_CVTTSS2SI, 2, {REG32,MEMORY,0}, "\301\333\2\x0F\x2C\110", IF_KATMAI|IF_SSE},
    {I_CVTTSS2SI, 2, {REG32,XMMREG,0}, "\333\2\x0F\x2C\110", IF_KATMAI|IF_SSE},
    ITEMPLATE_END
};

static struct itemplate instrux_CWD[] = {
    {I_CWD, 0, {0,0,0}, "\320\1\x99", IF_8086},
    ITEMPLATE_END
};

static struct itemplate instrux_CWDE[] = {
    {I_CWDE, 0, {0,0,0}, "\321\1\x98", IF_386},
    ITEMPLATE_END
};

static struct itemplate instrux_DAA[] = {
    {I_DAA, 0, {0,0,0}, "\1\x27", IF_8086},
    ITEMPLATE_END
};

static struct itemplate instrux_DAS[] = {
    {I_DAS, 0, {0,0,0}, "\1\x2F", IF_8086},
    ITEMPLATE_END
};

static struct itemplate instrux_DB[] = {
    ITEMPLATE_END
};

static struct itemplate instrux_DD[] = {
    ITEMPLATE_END
};

static struct itemplate instrux_DEC[] = {
    {I_DEC, 1, {REG16,0,0}, "\320\10\x48", IF_8086},
    {I_DEC, 1, {REG32,0,0}, "\321\10\x48", IF_386},
    {I_DEC, 1, {REGMEM|BITS8,0,0}, "\300\1\xFE\201", IF_8086},
    {I_DEC, 1, {REGMEM|BITS16,0,0}, "\320\300\1\xFF\201", IF_8086},
    {I_DEC, 1, {REGMEM|BITS32,0,0}, "\321\300\1\xFF\201", IF_386},
    ITEMPLATE_END
};

static struct itemplate instrux_DIV[] = {
    {I_DIV, 1, {REGMEM|BITS8,0,0}, "\300\1\xF6\206", IF_8086},
    {I_DIV, 1, {REGMEM|BITS16,0,0}, "\320\300\1\xF7\206", IF_8086},
    {I_DIV, 1, {REGMEM|BITS32,0,0}, "\321\300\1\xF7\206", IF_386},
    ITEMPLATE_END
};

static struct itemplate instrux_DIVPD[] = {
    {I_DIVPD, 2, {XMMREG,XMMREG,0}, "\3\x66\x0F\x5E\110", IF_WILLAMETTE|IF_SSE2},
    {I_DIVPD, 2, {XMMREG,MEMORY,0}, "\301\3\x66\x0F\x5E\110", IF_WILLAMETTE|IF_SSE2|IF_SM},
    ITEMPLATE_END
};

static struct itemplate instrux_DIVPS[] = {
    {I_DIVPS, 2, {XMMREG,MEMORY,0}, "\301\331\2\x0F\x5E\110", IF_KATMAI|IF_SSE},
    {I_DIVPS, 2, {XMMREG,XMMREG,0}, "\331\2\x0F\x5E\110", IF_KATMAI|IF_SSE},
    ITEMPLATE_END
};

static struct itemplate instrux_DIVSD[] = {
    {I_DIVSD, 2, {XMMREG,XMMREG,0}, "\3\xF2\x0F\x5E\110", IF_WILLAMETTE|IF_SSE2},
    {I_DIVSD, 2, {XMMREG,MEMORY,0}, "\301\3\xF2\x0F\x5E\110", IF_WILLAMETTE|IF_SSE2},
    ITEMPLATE_END
};

static struct itemplate instrux_DIVSS[] = {
    {I_DIVSS, 2, {XMMREG,MEMORY,0}, "\301\333\2\x0F\x5E\110", IF_KATMAI|IF_SSE},
    {I_DIVSS, 2, {XMMREG,XMMREG,0}, "\333\2\x0F\x5E\110", IF_KATMAI|IF_SSE},
    ITEMPLATE_END
};

static struct itemplate instrux_DQ[] = {
    ITEMPLATE_END
};

static struct itemplate instrux_DT[] = {
    ITEMPLATE_END
};

static struct itemplate instrux_DW[] = {
    ITEMPLATE_END
};

static struct itemplate instrux_EMMS[] = {
    {I_EMMS, 0, {0,0,0}, "\2\x0F\x77", IF_PENT|IF_MMX},
    ITEMPLATE_END
};

static struct itemplate instrux_ENTER[] = {
    {I_ENTER, 2, {IMMEDIATE,IMMEDIATE,0}, "\1\xC8\30\25", IF_186},
    ITEMPLATE_END
};

static struct itemplate instrux_EQU[] = {
    {I_EQU, 1, {IMMEDIATE,0,0}, "\0", IF_8086},
    {I_EQU, 2, {IMMEDIATE|COLON,IMMEDIATE,0}, "\0", IF_8086},
    ITEMPLATE_END
};

static struct itemplate instrux_F2XM1[] = {
    {I_F2XM1, 0, {0,0,0}, "\2\xD9\xF0", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FABS[] = {
    {I_FABS, 0, {0,0,0}, "\2\xD9\xE1", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FADD[] = {
    {I_FADD, 1, {MEMORY|BITS32,0,0}, "\300\1\xD8\200", IF_8086|IF_FPU},
    {I_FADD, 1, {MEMORY|BITS64,0,0}, "\300\1\xDC\200", IF_8086|IF_FPU},
    {I_FADD, 1, {FPUREG|TO,0,0}, "\1\xDC\10\xC0", IF_8086|IF_FPU},
    {I_FADD, 1, {FPUREG,0,0}, "\1\xD8\10\xC0", IF_8086|IF_FPU},
    {I_FADD, 2, {FPUREG,FPU0,0}, "\1\xDC\10\xC0", IF_8086|IF_FPU},
    {I_FADD, 2, {FPU0,FPUREG,0}, "\1\xD8\11\xC0", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FADDP[] = {
    {I_FADDP, 1, {FPUREG,0,0}, "\1\xDE\10\xC0", IF_8086|IF_FPU},
    {I_FADDP, 2, {FPUREG,FPU0,0}, "\1\xDE\10\xC0", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FBLD[] = {
    {I_FBLD, 1, {MEMORY|BITS80,0,0}, "\300\1\xDF\204", IF_8086|IF_FPU},
    {I_FBLD, 1, {MEMORY,0,0}, "\300\1\xDF\204", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FBSTP[] = {
    {I_FBSTP, 1, {MEMORY|BITS80,0,0}, "\300\1\xDF\206", IF_8086|IF_FPU},
    {I_FBSTP, 1, {MEMORY,0,0}, "\300\1\xDF\206", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCHS[] = {
    {I_FCHS, 0, {0,0,0}, "\2\xD9\xE0", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCLEX[] = {
    {I_FCLEX, 0, {0,0,0}, "\3\x9B\xDB\xE2", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVB[] = {
    {I_FCMOVB, 1, {FPUREG,0,0}, "\1\xDA\10\xC0", IF_P6|IF_FPU},
    {I_FCMOVB, 2, {FPU0,FPUREG,0}, "\1\xDA\11\xC0", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVBE[] = {
    {I_FCMOVBE, 1, {FPUREG,0,0}, "\1\xDA\10\xD0", IF_P6|IF_FPU},
    {I_FCMOVBE, 2, {FPU0,FPUREG,0}, "\1\xDA\11\xD0", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVE[] = {
    {I_FCMOVE, 1, {FPUREG,0,0}, "\1\xDA\10\xC8", IF_P6|IF_FPU},
    {I_FCMOVE, 2, {FPU0,FPUREG,0}, "\1\xDA\11\xC8", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVNB[] = {
    {I_FCMOVNB, 1, {FPUREG,0,0}, "\1\xDB\10\xC0", IF_P6|IF_FPU},
    {I_FCMOVNB, 2, {FPU0,FPUREG,0}, "\1\xDB\11\xC0", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVNBE[] = {
    {I_FCMOVNBE, 1, {FPUREG,0,0}, "\1\xDB\10\xD0", IF_P6|IF_FPU},
    {I_FCMOVNBE, 2, {FPU0,FPUREG,0}, "\1\xDB\11\xD0", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVNE[] = {
    {I_FCMOVNE, 1, {FPUREG,0,0}, "\1\xDB\10\xC8", IF_P6|IF_FPU},
    {I_FCMOVNE, 2, {FPU0,FPUREG,0}, "\1\xDB\11\xC8", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVNU[] = {
    {I_FCMOVNU, 1, {FPUREG,0,0}, "\1\xDB\10\xD8", IF_P6|IF_FPU},
    {I_FCMOVNU, 2, {FPU0,FPUREG,0}, "\1\xDB\11\xD8", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCMOVU[] = {
    {I_FCMOVU, 1, {FPUREG,0,0}, "\1\xDA\10\xD8", IF_P6|IF_FPU},
    {I_FCMOVU, 2, {FPU0,FPUREG,0}, "\1\xDA\11\xD8", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCOM[] = {
    {I_FCOM, 1, {MEMORY|BITS32,0,0}, "\300\1\xD8\202", IF_8086|IF_FPU},
    {I_FCOM, 1, {MEMORY|BITS64,0,0}, "\300\1\xDC\202", IF_8086|IF_FPU},
    {I_FCOM, 1, {FPUREG,0,0}, "\1\xD8\10\xD0", IF_8086|IF_FPU},
    {I_FCOM, 2, {FPU0,FPUREG,0}, "\1\xD8\11\xD0", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCOMI[] = {
    {I_FCOMI, 1, {FPUREG,0,0}, "\1\xDB\10\xF0", IF_P6|IF_FPU},
    {I_FCOMI, 2, {FPU0,FPUREG,0}, "\1\xDB\11\xF0", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCOMIP[] = {
    {I_FCOMIP, 1, {FPUREG,0,0}, "\1\xDF\10\xF0", IF_P6|IF_FPU},
    {I_FCOMIP, 2, {FPU0,FPUREG,0}, "\1\xDF\11\xF0", IF_P6|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCOMP[] = {
    {I_FCOMP, 1, {MEMORY|BITS32,0,0}, "\300\1\xD8\203", IF_8086|IF_FPU},
    {I_FCOMP, 1, {MEMORY|BITS64,0,0}, "\300\1\xDC\203", IF_8086|IF_FPU},
    {I_FCOMP, 1, {FPUREG,0,0}, "\1\xD8\10\xD8", IF_8086|IF_FPU},
    {I_FCOMP, 2, {FPU0,FPUREG,0}, "\1\xD8\11\xD8", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCOMPP[] = {
    {I_FCOMPP, 0, {0,0,0}, "\2\xDE\xD9", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FCOS[] = {
    {I_FCOS, 0, {0,0,0}, "\2\xD9\xFF", IF_386|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FDECSTP[] = {
    {I_FDECSTP, 0, {0,0,0}, "\2\xD9\xF6", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FDISI[] = {
    {I_FDISI, 0, {0,0,0}, "\3\x9B\xDB\xE1", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FDIV[] = {
    {I_FDIV, 1, {MEMORY|BITS32,0,0}, "\300\1\xD8\206", IF_8086|IF_FPU},
    {I_FDIV, 1, {MEMORY|BITS64,0,0}, "\300\1\xDC\206", IF_8086|IF_FPU},
    {I_FDIV, 1, {FPUREG|TO,0,0}, "\1\xDC\10\xF8", IF_8086|IF_FPU},
    {I_FDIV, 2, {FPUREG,FPU0,0}, "\1\xDC\10\xF8", IF_8086|IF_FPU},
    {I_FDIV, 1, {FPUREG,0,0}, "\1\xD8\10\xF0", IF_8086|IF_FPU},
    {I_FDIV, 2, {FPU0,FPUREG,0}, "\1\xD8\11\xF0", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FDIVP[] = {
    {I_FDIVP, 2, {FPUREG,FPU0,0}, "\1\xDE\10\xF8", IF_8086|IF_FPU},
    {I_FDIVP, 1, {FPUREG,0,0}, "\1\xDE\10\xF8", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FDIVR[] = {
    {I_FDIVR, 1, {MEMORY|BITS32,0,0}, "\300\1\xD8\207", IF_8086|IF_FPU},
    {I_FDIVR, 1, {MEMORY|BITS64,0,0}, "\300\1\xDC\207", IF_8086|IF_FPU},
    {I_FDIVR, 1, {FPUREG|TO,0,0}, "\1\xDC\10\xF0", IF_8086|IF_FPU},
    {I_FDIVR, 2, {FPUREG,FPU0,0}, "\1\xDC\10\xF0", IF_8086|IF_FPU},
    {I_FDIVR, 1, {FPUREG,0,0}, "\1\xD8\10\xF8", IF_8086|IF_FPU},
    {I_FDIVR, 2, {FPU0,FPUREG,0}, "\1\xD8\11\xF8", IF_8086|IF_FPU},
    ITEMPLATE_END
};

static struct itemplate instrux_FDIVRP[] = {
    {I_FDIVRP, 1, {FPUREG,0,0}, "\1\xDE\10\xF0", IF_8086|IF_FPU},
    {I_FDIVRP, 2, {FPUREG,FPU0,0}, "\1\xDE\10\xF0", IF_8086|IF_FPU},
    ITEMPLATE_END
};