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libfaad/fixed.h: Fix ISO C warning #211

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Merged
fabiangreffrath merged 1 commit into from
Oct 1, 2025
Merged

libfaad/fixed.h: Fix ISO C warning #211

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29 changes: 15 additions & 14 deletions libfaad/fixed.h
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Original file line number Diff line number Diff line change
Expand Up @@ -159,20 +159,21 @@ static INLINE void ComplexMult(real_t *y1, real_t *y2,
#elif defined(__GNUC__) && defined (__arm__)

/* taken from MAD */
#define arm_mul(x, y, SCALEBITS) \
({ \
uint32_t __hi; \
uint32_t __lo; \
uint32_t __result; \
asm("smull %0, %1, %3, %4\n\t" \
"movs %0, %0, lsr %5\n\t" \
"adc %2, %0, %1, lsl %6" \
: "=&r" (__lo), "=&r" (__hi), "=r" (__result) \
: "%r" (x), "r" (y), \
"M" (SCALEBITS), "M" (32 - (SCALEBITS)) \
: "cc"); \
__result; \
})
static INLINE real_t arm_mul(real_t x, real_t y, unsigned int SCALEBITS)
{
uint32_t __hi;
uint32_t __lo;
uint32_t __result;

asm("smull %0, %1, %3, %4\n\t"
"movs %0, %0, lsr %5\n\t"
"adc %2, %0, %1, lsl %6"
: "=&r" (__lo), "=&r" (__hi), "=r" (__result)
: "%r" (x), "r" (y),
"M" (SCALEBITS), "M" (32 - (SCALEBITS))
: "cc");
return __result; \
}

static INLINE real_t MUL_R(real_t A, real_t B)
{
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