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Avoid direct initialization of float32x4_t

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This commit is contained in:
Chris Robinson
2020-11-16 13:42:20 -08:00
parent 1869dc14d4
commit 88cb398a83
1 changed files with 12 additions and 2 deletions
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alc/mixer/mixer_neon.cpp
+12 -2
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@@ -21,6 +21,16 @@ struct FastBSincTag;
namespace {
inline float32x4_t set_f4(float l0, float l1, float l2, float l3)
{
float32x4_t ret{};
ret = vsetq_lane_f32(l0, ret, 0);
ret = vsetq_lane_f32(l1, ret, 1);
ret = vsetq_lane_f32(l2, ret, 2);
ret = vsetq_lane_f32(l3, ret, 3);
return ret;
}
constexpr ALuint FracPhaseBitDiff{MixerFracBits - BSincPhaseBits};
constexpr ALuint FracPhaseDiffOne{1 << FracPhaseBitDiff};
@@ -70,8 +80,8 @@ const float *Resample_<LerpTag,NEONTag>(const InterpState*, const float *RESTRIC
const int pos1{vgetq_lane_s32(pos4, 1)};
const int pos2{vgetq_lane_s32(pos4, 2)};
const int pos3{vgetq_lane_s32(pos4, 3)};
const float32x4_t val1{src[pos0], src[pos1], src[pos2], src[pos3]};
const float32x4_t val2{src[pos0+1], src[pos1+1], src[pos2+1], src[pos3+1]};
const float32x4_t val1{set_f4(src[pos0], src[pos1], src[pos2], src[pos3])};
const float32x4_t val2{set_f4(src[pos0+1], src[pos1+1], src[pos2+1], src[pos3+1])};
/* val1 + (val2-val1)*mu */
const float32x4_t r0{vsubq_f32(val2, val1)};