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use 32bitAsBE

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This commit is contained in:
MITSUNARI Shigeo 2024-02-22 12:55:58 +09:00
parent 16a2efaf7f
commit 78d878500e
1 changed files with 8 additions and 7 deletions
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15
xbyak/xbyak_util.h
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@ -145,14 +145,15 @@ private:
uint32_t dataCacheLevels_;
uint32_t avx10version_;
bool compareVendorString(const uint32_t EBX, const uint32_t ECX, const uint32_t EDX, const char vendorString[12]) {
return (
*reinterpret_cast<const uint32_t*>(&vendorString[0]) == EBX &&
*reinterpret_cast<const uint32_t*>(&vendorString[4]) == EDX &&
*reinterpret_cast<const uint32_t*>(&vendorString[8]) == ECX
);
uint32_t get32bitAsBE(const char *x) const
{
return x[0] | (x[1] << 8) | (x[2] << 16) | (x[3] << 24);
}
uint32_t extractBit(uint32_t val, uint32_t base, uint32_t end)
bool compareVendorString(const uint32_t EBX, const uint32_t ECX, const uint32_t EDX, const char vendorString[12]) const
{
return get32bitAsBE(&vendorString[0]) == EBX && get32bitAsBE(&vendorString[4]) == EDX && get32bitAsBE(&vendorString[8]) == ECX;
}
uint32_t extractBit(uint32_t val, uint32_t base, uint32_t end) const
{
return (val >> base) & ((1u << (end + 1 - base)) - 1);
}