cvt_test.cpp

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#include <xbyak/xbyak.h>
 
using namespace Xbyak;
using namespace Xbyak::util;
 
#ifdef XBYAK64
const struct Ptn {
    const Reg8 *reg8;
    Reg16 reg16;
    Reg32 reg32;
    Reg64 reg64;
} tbl[] = {
    { &al, ax, eax, rax },
    { &bl, bx, ebx, rbx },
    { &cl, cx, ecx, rcx },
    { &dl, dx, edx, rdx },
    { &sil, si, esi, rsi },
    { &dil, di, edi, rdi },
    { &bpl, bp, ebp, rbp },
    { &spl, sp, esp, rsp },
    { &r8b, r8w, r8d, r8 },
    { &r9b, r9w, r9d, r9 },
    { &r10b, r10w, r10d, r10 },
    { &r11b, r11w, r11d, r11 },
    { &r12b, r12w, r12d, r12 },
    { &r13b, r13w, r13d, r13 },
    { &r14b, r14w, r14d, r14 },
    { &r15b, r15w, r15d, r15 },
};
#else
const struct Ptn {
    const Reg8 *reg8;
    Reg16 reg16;
    Reg32 reg32;
} tbl[] = {
    { &al, ax, eax },
    { &bl, bx, ebx },
    { &cl, cx, ecx },
    { &dl, dx, edx },
    { 0, si, esi },
    { 0, di, edi },
    { 0, bp, ebp },
    { 0, sp, esp },
};
#endif
 
int errNum = 0;
int testNum = 0;
 
template<class T>
void verify(const T& x, const T& y)
{
    if (x != y) {
        printf("ERR %s %s\n", x.toString(), y.toString());
        errNum++;
    }
    testNum++;
}
 
#define verifyExp(state) \
{ \
    bool isOK = false; \
    try { \
        state; \
    } catch (const Xbyak::Error& e) { \
        if ((int)e == ERR_CANT_CONVERT) { \
            isOK = true; \
        } \
    } \
    if (!isOK) { \
        printf("ERR " #state "\n"); \
        errNum++; \
    } \
    testNum++; \
}
 
int main()
    try
{
    for (size_t i = 0; i < sizeof(tbl) / sizeof(tbl[0]); i++) {
        if (tbl[i].reg8) {
            verify(tbl[i].reg8->cvt8(), *tbl[i].reg8);
            verify(tbl[i].reg8->cvt16(), tbl[i].reg16);
            verify(tbl[i].reg8->cvt32(), tbl[i].reg32);
            verify(tbl[i].reg16.cvt8(), *tbl[i].reg8);
            verify(tbl[i].reg32.cvt8(), *tbl[i].reg8);
        }
        verify(tbl[i].reg16.cvt16(), tbl[i].reg16);
        verify(tbl[i].reg16.cvt32(), tbl[i].reg32);
        verify(tbl[i].reg32.cvt16(), tbl[i].reg16);
        verify(tbl[i].reg32.cvt32(), tbl[i].reg32);
#ifdef XBYAK64
        if (tbl[i].reg8) {
            verify(tbl[i].reg64.cvt8(), *tbl[i].reg8);
            verify(tbl[i].reg8->cvt64(), tbl[i].reg64);
        }
        verify(tbl[i].reg64.cvt16(), tbl[i].reg16);
        verify(tbl[i].reg64.cvt32(), tbl[i].reg32);
        verify(tbl[i].reg64.cvt64(), tbl[i].reg64);
        verify(tbl[i].reg16.cvt64(), tbl[i].reg64);
        verify(tbl[i].reg32.cvt64(), tbl[i].reg64);
#endif
    }
    {
        const Reg8 errTbl[] = {
            ah, bh, ch, dh
        };
        for (size_t i = 0; i < sizeof(errTbl) / sizeof(errTbl[0]); i++) {
            verifyExp(errTbl[i].cvt16());
        }
    }
#ifdef XBYAK32
    {
        const Reg16 errTbl[] = {
            si, di, bp, sp
        };
        for (size_t i = 0; i < sizeof(errTbl) / sizeof(errTbl[0]); i++) {
            verifyExp(errTbl[i].cvt8());
        }
    }
#endif
    printf("test=%d(err=%d)\n", testNum, errNum);
} catch (std::exception& e) {
    printf("ERR %s\n", e.what());
}