recover mask
diff --git a/xbyak/xbyak_util.h b/xbyak/xbyak_util.h
index 3c4e97d..dd42879 100644
--- a/xbyak/xbyak_util.h
+++ b/xbyak/xbyak_util.h
@@ -150,6 +150,10 @@
{
return x[0] | (x[1] << 8) | (x[2] << 16) | (x[3] << 24);
}
+ uint32_t mask(int n) const
+ {
+ return (1U << n) - 1;
+ }
// [EBX:ECX:EDX] == s?
bool isEqualStr(uint32_t EBX, uint32_t ECX, uint32_t EDX, const char s[12]) const
{
@@ -712,7 +716,7 @@
}
if (has(tAVX10) && maxNum >= 0x24) {
getCpuidEx(0x24, 0, data);
- avx10version_ = EBX & 0x7F;
+ avx10version_ = EBX & mask(7);
}
setFamily();
setNumCores();
