Add some LIKELY and ASSUME statements

2018-05-23 19:22:21 -07:00
parent 9bf3ee722c
commit 93de5350b9
1 changed files with 8 additions and 1 deletions
@@ -1610,7 +1610,7 @@ static void ApplyDistanceComp(ALfloat (*restrict Samples)[BUFFERSIZE], DistanceC
            continue;
        }

-        if(SamplesToDo >= base)
+        if(LIKELY(SamplesToDo >= base))
        {
            for(i = 0;i < base;i++)
                Values[i] = distbuf[i];
@@ -1638,6 +1638,9 @@ static void ApplyDither(ALfloat (*restrict Samples)[BUFFERSIZE], ALuint *dither_
    ALuint seed = *dither_seed;
    ALsizei c, i;

+    ASSUME(numchans > 0);
+    ASSUME(SamplesToDo > 0);
+
    /* Dithering. Step 1, generate whitenoise (uniform distribution of random
     * values between -1 and +1). Step 2 is to add the noise to the samples,
     * before rounding and after scaling up to the desired quantization depth.
@@ -1690,6 +1693,10 @@ static void Write##A(const ALfloat (*restrict InBuffer)[BUFFERSIZE],          \
                     ALsizei numchans)                                        \
 {                                                                             \
    ALsizei i, j;                                                             \
+                                                                              \
+    ASSUME(numchans > 0);                                                     \
+    ASSUME(SamplesToDo > 0);                                                  \
+                                                                              \
    for(j = 0;j < numchans;j++)                                               \
    {                                                                         \
        const ALfloat *restrict in = ASSUME_ALIGNED(InBuffer[j], 16);         \