Add some more ASSUME statements

Alc/hrtf.c

@@ -173,6 +173,7 @@ void GetHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat azimuth,
     idx[2] *= Hrtf->irSize;
     idx[3] *= Hrtf->irSize;
 
+    ASSUME(Hrtf->irSize >= MIN_IR_SIZE && (Hrtf->irSize%MOD_IR_SIZE) == 0);
     coeffs = ASSUME_ALIGNED(coeffs, 16);
     /* Calculate the blended HRIR coefficients. */
     coeffs[0][0] = PassthruCoeff * (1.0f-dirfact);

Alc/mixer/mixer_c.c

@@ -122,6 +122,7 @@ void Mix_C(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[
     ALfloat gain, delta, step;
     ALsizei c;
 
+    ASSUME(OutChans > 0);
     ASSUME(BufferSize > 0);
     delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f;
 
@@ -160,6 +161,7 @@ void MixRow_C(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restrict
 {
     ALsizei c, i;
 
+    ASSUME(InChans > 0);
     ASSUME(BufferSize > 0);
 
     for(c = 0;c < InChans;c++)

Alc/mixer/mixer_neon.c

@@ -169,6 +169,7 @@ void Mix_Neon(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffe
     float32x4_t gain4;
     ALsizei c;
 
+    ASSUME(OutChans > 0);
     ASSUME(BufferSize > 0);
     data = ASSUME_ALIGNED(data, 16);
     OutBuffer = ASSUME_ALIGNED(OutBuffer, 16);
@@ -242,6 +243,7 @@ void MixRow_Neon(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restr
     float32x4_t gain4;
     ALsizei c;
 
+    ASSUME(InChans > 0);
     ASSUME(BufferSize > 0);
     data = ASSUME_ALIGNED(data, 16);
     OutBuffer = ASSUME_ALIGNED(OutBuffer, 16);

Alc/mixer/mixer_sse.c

@@ -139,6 +139,7 @@ void Mix_SSE(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer
     __m128 gain4;
     ALsizei c;
 
+    ASSUME(OutChans > 0);
     ASSUME(BufferSize > 0);
     delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f;
 
@@ -211,6 +212,7 @@ void MixRow_SSE(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restri
     __m128 gain4;
     ALsizei c;
 
+    ASSUME(InChans > 0);
     ASSUME(BufferSize > 0);
 
     for(c = 0;c < InChans;c++)