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Optimize out a pointless for loop

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gheskett
2021-08-03 07:01:44 -05:00
parent 04f538abc6
commit f828ad38e3
1 changed files with 6 additions and 10 deletions
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16
src/audio/synthesis.c
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@@ -128,11 +128,9 @@ inline s16 reverb_sample_left(s32 inSample) {
s32 outTmp = 0;
s32 tmpCarryover = 0;
for (; i < NUM_ALLPASS; ++i) {
tmpBuf[i] = delayBufs[0][i][allpassIdx[0][i]];
}
for (i = 0; i < NUM_ALLPASS; ++i, ++j) {
tmpBuf[i] = delayBufs[0][i][allpassIdx[0][i]];
if (j == 2) {
j -= 3;
outTmp += (tmpBuf[i] * reverbMults[0][k++]) / 256;
@@ -142,7 +140,7 @@ inline s16 reverb_sample_left(s32 inSample) {
}
else {
if (i == 0)
tmpCarryover += ((tmpBuf[NUM_ALLPASS-1] * gReverbRevIndex) / 256) + inSample;
tmpCarryover = ((tmpBuf[NUM_ALLPASS-1] * gReverbRevIndex) / 256) + inSample;
delayBufs[0][i][allpassIdx[0][i]] = (tmpBuf[i] * (-gReverbGainIndex) / 256) + tmpCarryover;
@@ -163,11 +161,9 @@ inline s16 reverb_sample_right(s32 inSample) {
s32 outTmp = 0;
s32 tmpCarryover = 0;
for (; i < NUM_ALLPASS; ++i) {
tmpBuf[i] = delayBufs[1][i][allpassIdx[1][i]];
}
for (i = 0; i < NUM_ALLPASS; ++i, ++j) {
tmpBuf[i] = delayBufs[1][i][allpassIdx[1][i]];
if (j == 2) {
j -= 3;
outTmp += (tmpBuf[i] * reverbMults[1][k++]) / 256;
@@ -177,7 +173,7 @@ inline s16 reverb_sample_right(s32 inSample) {
}
else {
if (i == 0)
tmpCarryover += ((tmpBuf[NUM_ALLPASS-1] * gReverbRevIndex) / 256);
tmpCarryover = ((tmpBuf[NUM_ALLPASS-1] * gReverbRevIndex) / 256);
delayBufs[1][i][allpassIdx[1][i]] = (tmpBuf[i] * (-gReverbGainIndex)) / 256 + tmpCarryover;