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Bug 907303 - Use fewer local variables to workaround a bug in GCC 4.4.3. r=ehsan

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This commit is contained in:
JW Wang 2013-08-30 15:07:33 +08:00
parent bd8ec1e12c
commit 9e43d1f576
1 changed files with 7 additions and 31 deletions
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36
content/media/AudioNodeEngineNEON.cpp
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@ -174,76 +174,52 @@ AudioBlockPanStereoToStereo_NEON(const float aInputL[WEBAUDIO_BLOCK_SIZE],
ASSERT_ALIGNED(aOutputL);
ASSERT_ALIGNED(aOutputR);
float32x4_t vinL0, vinL1, vinL2, vinL3;
float32x4_t vinR0, vinR1, vinR2, vinR3;
float32x4_t voutL0, voutL1, voutL2, voutL3;
float32x4_t voutR0, voutR1, voutR2, voutR3;
float32x4_t vinL0, vinL1;
float32x4_t vinR0, vinR1;
float32x4_t voutL0, voutL1;
float32x4_t voutR0, voutR1;
float32x4_t vscaleL = vmovq_n_f32(aGainL);
float32x4_t vscaleR = vmovq_n_f32(aGainR);
if (aIsOnTheLeft) {
for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=16) {
for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=8) {
vinL0 = vld1q_f32(ADDRESS_OF(aInputL, i));
vinL1 = vld1q_f32(ADDRESS_OF(aInputL, i+4));
vinL2 = vld1q_f32(ADDRESS_OF(aInputL, i+8));
vinL3 = vld1q_f32(ADDRESS_OF(aInputL, i+12));
vinR0 = vld1q_f32(ADDRESS_OF(aInputR, i));
vinR1 = vld1q_f32(ADDRESS_OF(aInputR, i+4));
vinR2 = vld1q_f32(ADDRESS_OF(aInputR, i+8));
vinR3 = vld1q_f32(ADDRESS_OF(aInputR, i+12));
voutL0 = vmlaq_f32(vinL0, vinR0, vscaleL);
voutL1 = vmlaq_f32(vinL1, vinR1, vscaleL);
voutL2 = vmlaq_f32(vinL2, vinR2, vscaleL);
voutL3 = vmlaq_f32(vinL3, vinR3, vscaleL);
vst1q_f32(ADDRESS_OF(aOutputL, i), voutL0);
vst1q_f32(ADDRESS_OF(aOutputL, i+4), voutL1);
vst1q_f32(ADDRESS_OF(aOutputL, i+8), voutL2);
vst1q_f32(ADDRESS_OF(aOutputL, i+12), voutL3);
voutR0 = vmulq_f32(vinR0, vscaleR);
voutR1 = vmulq_f32(vinR1, vscaleR);
voutR2 = vmulq_f32(vinR2, vscaleR);
voutR3 = vmulq_f32(vinR3, vscaleR);
vst1q_f32(ADDRESS_OF(aOutputR, i), voutR0);
vst1q_f32(ADDRESS_OF(aOutputR, i+4), voutR1);
vst1q_f32(ADDRESS_OF(aOutputR, i+8), voutR2);
vst1q_f32(ADDRESS_OF(aOutputR, i+12), voutR3);
}
} else {
for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=16) {
for (uint32_t i = 0; i < WEBAUDIO_BLOCK_SIZE; i+=8) {
vinL0 = vld1q_f32(ADDRESS_OF(aInputL, i));
vinL1 = vld1q_f32(ADDRESS_OF(aInputL, i+4));
vinL2 = vld1q_f32(ADDRESS_OF(aInputL, i+8));
vinL3 = vld1q_f32(ADDRESS_OF(aInputL, i+12));
vinR0 = vld1q_f32(ADDRESS_OF(aInputR, i));
vinR1 = vld1q_f32(ADDRESS_OF(aInputR, i+4));
vinR2 = vld1q_f32(ADDRESS_OF(aInputR, i+8));
vinR3 = vld1q_f32(ADDRESS_OF(aInputR, i+12));
voutL0 = vmulq_f32(vinL0, vscaleL);
voutL1 = vmulq_f32(vinL1, vscaleL);
voutL2 = vmulq_f32(vinL2, vscaleL);
voutL3 = vmulq_f32(vinL3, vscaleL);
vst1q_f32(ADDRESS_OF(aOutputL, i), voutL0);
vst1q_f32(ADDRESS_OF(aOutputL, i+4), voutL1);
vst1q_f32(ADDRESS_OF(aOutputL, i+8), voutL2);
vst1q_f32(ADDRESS_OF(aOutputL, i+12), voutL3);
voutR0 = vmlaq_f32(vinR0, vinL0, vscaleR);
voutR1 = vmlaq_f32(vinR1, vinL1, vscaleR);
voutR2 = vmlaq_f32(vinR2, vinL2, vscaleR);
voutR3 = vmlaq_f32(vinR3, vinL3, vscaleR);
vst1q_f32(ADDRESS_OF(aOutputR, i), voutR0);
vst1q_f32(ADDRESS_OF(aOutputR, i+4), voutR1);
vst1q_f32(ADDRESS_OF(aOutputR, i+8), voutR2);
vst1q_f32(ADDRESS_OF(aOutputR, i+12), voutR3);
}
}
}