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Merge pull request #2220 from fabiangreffrath/volatile_div64_32

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remove ASM div64_32() implementation
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Fabian Greffrath 2025-03-04 13:02:42 +01:00 committed by GitHub
commit b89a6ae954
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1 changed files with 0 additions and 14 deletions
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src/m_fixed.h
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@ -30,20 +30,6 @@
#define div64_32(a, b) _div64((a), (b), NULL) #define div64_32(a, b) _div64((a), (b), NULL)
#elif defined(__GNUC__) && defined(__x86_64__)
inline static int32_t div64_32(int64_t a, int32_t b)
{
if (__builtin_constant_p(b))
{
return a / b;
}
int32_t lo = a;
int32_t hi = a >> 32;
asm("idivl %[divisor]" : "+a" (lo), "+d" (hi) : [divisor] "r" (b));
return lo;
}
#else #else
#define div64_32(a, b) ((fixed_t)((a) / (b))) #define div64_32(a, b) ((fixed_t)((a) / (b)))