From a35738f424164c23eea6b6e3f820e5cd3bab64fb Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Sun, 22 Jul 2012 14:37:24 -0400
Subject: [PATCH] dsputil: ppc: cosmetics: pretty-print

---
 libavcodec/ppc/fmtconvert_altivec.c | 126 ++++++++++++++--------------
 1 file changed, 64 insertions(+), 62 deletions(-)

diff --git a/libavcodec/ppc/fmtconvert_altivec.c b/libavcodec/ppc/fmtconvert_altivec.c
index 20a05d7f8f..9759a2bf87 100644
--- a/libavcodec/ppc/fmtconvert_altivec.c
+++ b/libavcodec/ppc/fmtconvert_altivec.c
@@ -23,7 +23,8 @@
 #include "libavutil/ppc/util_altivec.h"
 #include "dsputil_altivec.h"
 
-static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float mul, int len)
+static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src,
+                                               float mul, int len)
 {
     union {
         vector float v;
@@ -36,7 +37,7 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float
     mul_u.s[0] = mul;
     mul_v = vec_splat(mul_u.v, 0);
 
-    for(i=0; i<len; i+=8) {
+    for (i = 0; i < len; i += 8) {
         src1 = vec_ctf(vec_ld(0,  src+i), 0);
         src2 = vec_ctf(vec_ld(16, src+i), 0);
         dst1 = vec_madd(src1, mul_v, zero);
@@ -47,8 +48,7 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float
 }
 
 
-static vector signed short
-float_to_int16_one_altivec(const float *src)
+static vector signed short float_to_int16_one_altivec(const float *src)
 {
     vector float s0 = vec_ld(0, src);
     vector float s1 = vec_ld(16, src);
@@ -62,80 +62,82 @@ static void float_to_int16_altivec(int16_t *dst, const float *src, long len)
     int i;
     vector signed short d0, d1, d;
     vector unsigned char align;
-    if(((long)dst)&15) //FIXME
-    for(i=0; i<len-7; i+=8) {
-        d0 = vec_ld(0, dst+i);
-        d = float_to_int16_one_altivec(src+i);
-        d1 = vec_ld(15, dst+i);
-        d1 = vec_perm(d1, d0, vec_lvsl(0,dst+i));
-        align = vec_lvsr(0, dst+i);
-        d0 = vec_perm(d1, d, align);
-        d1 = vec_perm(d, d1, align);
-        vec_st(d0, 0, dst+i);
-        vec_st(d1,15, dst+i);
-    }
-    else
-    for(i=0; i<len-7; i+=8) {
-        d = float_to_int16_one_altivec(src+i);
-        vec_st(d, 0, dst+i);
+    if (((long)dst) & 15) { //FIXME
+        for (i = 0; i < len - 7; i += 8) {
+            d0 = vec_ld(0, dst+i);
+            d  = float_to_int16_one_altivec(src + i);
+            d1 = vec_ld(15, dst+i);
+            d1 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
+            align = vec_lvsr(0, dst + i);
+            d0 = vec_perm(d1, d, align);
+            d1 = vec_perm(d, d1, align);
+            vec_st(d0,  0, dst + i);
+            vec_st(d1, 15, dst + i);
+        }
+    } else {
+        for (i = 0; i < len - 7; i += 8) {
+            d = float_to_int16_one_altivec(src + i);
+            vec_st(d, 0, dst + i);
+        }
     }
 }
 
-static void
-float_to_int16_interleave_altivec(int16_t *dst, const float **src,
-                                  long len, int channels)
+static void float_to_int16_interleave_altivec(int16_t *dst, const float **src,
+                                              long len, int channels)
 {
     int i;
     vector signed short d0, d1, d2, c0, c1, t0, t1;
     vector unsigned char align;
-    if(channels == 1)
+
+    if (channels == 1)
         float_to_int16_altivec(dst, src[0], len);
-    else
+    else {
         if (channels == 2) {
-        if(((long)dst)&15)
-        for(i=0; i<len-7; i+=8) {
-            d0 = vec_ld(0, dst + i);
-            t0 = float_to_int16_one_altivec(src[0] + i);
-            d1 = vec_ld(31, dst + i);
-            t1 = float_to_int16_one_altivec(src[1] + i);
-            c0 = vec_mergeh(t0, t1);
-            c1 = vec_mergel(t0, t1);
-            d2 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
-            align = vec_lvsr(0, dst + i);
-            d0 = vec_perm(d2, c0, align);
-            d1 = vec_perm(c0, c1, align);
-            vec_st(d0,  0, dst + i);
-            d0 = vec_perm(c1, d2, align);
-            vec_st(d1, 15, dst + i);
-            vec_st(d0, 31, dst + i);
-            dst+=8;
-        }
-        else
-        for(i=0; i<len-7; i+=8) {
-            t0 = float_to_int16_one_altivec(src[0] + i);
-            t1 = float_to_int16_one_altivec(src[1] + i);
-            d0 = vec_mergeh(t0, t1);
-            d1 = vec_mergel(t0, t1);
-            vec_st(d0,  0, dst + i);
-            vec_st(d1, 16, dst + i);
-            dst+=8;
-        }
-    } else {
-        DECLARE_ALIGNED(16, int16_t, tmp)[len];
-        int c, j;
-        for (c = 0; c < channels; c++) {
-            float_to_int16_altivec(tmp, src[c], len);
-            for (i = 0, j = c; i < len; i++, j+=channels) {
-                dst[j] = tmp[i];
+            if (((long)dst) & 15) {
+                for (i = 0; i < len - 7; i += 8) {
+                    d0 = vec_ld(0,  dst + i);
+                    t0 = float_to_int16_one_altivec(src[0] + i);
+                    d1 = vec_ld(31, dst + i);
+                    t1 = float_to_int16_one_altivec(src[1] + i);
+                    c0 = vec_mergeh(t0, t1);
+                    c1 = vec_mergel(t0, t1);
+                    d2 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
+                    align = vec_lvsr(0, dst + i);
+                    d0 = vec_perm(d2, c0, align);
+                    d1 = vec_perm(c0, c1, align);
+                    vec_st(d0,  0, dst + i);
+                    d0 = vec_perm(c1, d2, align);
+                    vec_st(d1, 15, dst + i);
+                    vec_st(d0, 31, dst + i);
+                    dst += 8;
+                }
+            } else {
+                for (i = 0; i < len - 7; i += 8) {
+                    t0 = float_to_int16_one_altivec(src[0] + i);
+                    t1 = float_to_int16_one_altivec(src[1] + i);
+                    d0 = vec_mergeh(t0, t1);
+                    d1 = vec_mergel(t0, t1);
+                    vec_st(d0,  0, dst + i);
+                    vec_st(d1, 16, dst + i);
+                    dst += 8;
+                }
+            }
+        } else {
+            DECLARE_ALIGNED(16, int16_t, tmp)[len];
+            int c, j;
+            for (c = 0; c < channels; c++) {
+                float_to_int16_altivec(tmp, src[c], len);
+                for (i = 0, j = c; i < len; i++, j+=channels)
+                    dst[j] = tmp[i];
             }
         }
-   }
+    }
 }
 
 void ff_fmt_convert_init_altivec(FmtConvertContext *c, AVCodecContext *avctx)
 {
     c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_altivec;
-    if(!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+    if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
         c->float_to_int16 = float_to_int16_altivec;
         c->float_to_int16_interleave = float_to_int16_interleave_altivec;
     }