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dr: import upstream change to silence a spurious warning

This commit is contained in:
pstef 2025-04-11 19:59:33 +00:00
parent 57726895dd
commit ea9b86c9e7
1 changed files with 15 additions and 5 deletions
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20
deps/dr/dr_mp3.h vendored
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@ -1064,12 +1064,22 @@ static void drmp3_L3_midside_stereo(float *left, int n)
int i = 0; int i = 0;
float *right = left + 576; float *right = left + 576;
#if DRMP3_HAVE_SIMD #if DRMP3_HAVE_SIMD
if (drmp3_have_simd()) for (; i < n - 3; i += 4) if (drmp3_have_simd())
{ {
drmp3_f4 vl = DRMP3_VLD(left + i); for (; i < n - 3; i += 4)
drmp3_f4 vr = DRMP3_VLD(right + i); {
DRMP3_VSTORE(left + i, DRMP3_VADD(vl, vr)); drmp3_f4 vl = DRMP3_VLD(left + i);
DRMP3_VSTORE(right + i, DRMP3_VSUB(vl, vr)); drmp3_f4 vr = DRMP3_VLD(right + i);
DRMP3_VSTORE(left + i, DRMP3_VADD(vl, vr));
DRMP3_VSTORE(right + i, DRMP3_VSUB(vl, vr));
}
#ifdef __GNUC__
/* Workaround for spurious -Waggressive-loop-optimizations warning from gcc.
* For more info see: https://github.com/lieff/minimp3/issues/88
*/
if (__builtin_constant_p(n % 4 == 0) && n % 4 == 0)
return;
#endif
} }
#endif #endif
for (; i < n; i++) for (; i < n; i++)