From 21aed0ed925e15c502135ed90dca68ba8a2e8471 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Sat, 16 Jul 2011 01:35:01 +0200
Subject: [PATCH] ppc: remove disabled code

---
 libavcodec/ppc/dsputil_altivec.c   | 11 -----------
 libavcodec/ppc/dsputil_ppc.c       |  8 --------
 libavcodec/ppc/fdct_altivec.c      | 24 ------------------------
 libavcodec/ppc/mpegvideo_altivec.c | 18 ------------------
 4 files changed, 61 deletions(-)

diff --git a/libavcodec/ppc/dsputil_altivec.c b/libavcodec/ppc/dsputil_altivec.c
index adce61b277..7bdd5705b9 100644
--- a/libavcodec/ppc/dsputil_altivec.c
+++ b/libavcodec/ppc/dsputil_altivec.c
@@ -627,16 +627,6 @@ void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size,
 // it's faster than -funroll-loops, but using
 // -funroll-loops w/ this is bad - 74 cycles again.
 // all this is on a 7450, tuning for the 7450
-#if 0
-    for (i = 0; i < h; i++) {
-        pixelsv1 = vec_ld(0, pixels);
-        pixelsv2 = vec_ld(16, pixels);
-        vec_st(vec_perm(pixelsv1, pixelsv2, perm),
-               0, block);
-        pixels+=line_size;
-        block +=line_size;
-    }
-#else
     for (i = 0; i < h; i += 4) {
         pixelsv1  = vec_ld( 0, pixels);
         pixelsv2  = vec_ld(15, pixels);
@@ -657,7 +647,6 @@ void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size,
         pixels+=line_size_4;
         block +=line_size_4;
     }
-#endif
 }
 
 /* next one assumes that ((line_size % 16) == 0) */
diff --git a/libavcodec/ppc/dsputil_ppc.c b/libavcodec/ppc/dsputil_ppc.c
index 5f131f3196..3bf410c2ca 100644
--- a/libavcodec/ppc/dsputil_ppc.c
+++ b/libavcodec/ppc/dsputil_ppc.c
@@ -48,7 +48,6 @@ static void clear_blocks_dcbz32_ppc(DCTELEM *blocks)
 {
     register int misal = ((unsigned long)blocks & 0x00000010);
     register int i = 0;
-#if 1
     if (misal) {
         ((unsigned long*)blocks)[0] = 0L;
         ((unsigned long*)blocks)[1] = 0L;
@@ -66,9 +65,6 @@ static void clear_blocks_dcbz32_ppc(DCTELEM *blocks)
         ((unsigned long*)blocks)[191] = 0L;
         i += 16;
     }
-#else
-    memset(blocks, 0, sizeof(DCTELEM)*6*64);
-#endif
 }
 
 /* same as above, when dcbzl clear a whole 128B cache line
@@ -78,7 +74,6 @@ static void clear_blocks_dcbz128_ppc(DCTELEM *blocks)
 {
     register int misal = ((unsigned long)blocks & 0x0000007f);
     register int i = 0;
-#if 1
     if (misal) {
         // we could probably also optimize this case,
         // but there's not much point as the machines
@@ -89,9 +84,6 @@ static void clear_blocks_dcbz128_ppc(DCTELEM *blocks)
         for ( ; i < sizeof(DCTELEM)*6*64 ; i += 128) {
             __asm__ volatile("dcbzl %0,%1" : : "b" (blocks), "r" (i) : "memory");
         }
-#else
-    memset(blocks, 0, sizeof(DCTELEM)*6*64);
-#endif
 }
 #else
 static void clear_blocks_dcbz128_ppc(DCTELEM *blocks)
diff --git a/libavcodec/ppc/fdct_altivec.c b/libavcodec/ppc/fdct_altivec.c
index 8dbfe33f77..2644c96789 100644
--- a/libavcodec/ppc/fdct_altivec.c
+++ b/libavcodec/ppc/fdct_altivec.c
@@ -265,7 +265,6 @@ void fdct_altivec(int16_t *block)
  * conversion to vector float.  The following code section takes advantage
  * of this.
  */
-#if 1
     /* fdct rows {{{ */
     x0 = ((vector float)vec_add(vs16(b00), vs16(b70)));
     x7 = ((vector float)vec_sub(vs16(b00), vs16(b70)));
@@ -389,29 +388,6 @@ void fdct_altivec(int16_t *block)
     b31 = vec_add(b31, x2);
     b11 = vec_add(b11, x3);
     /* }}} */
-#else
-    /* convert to float {{{ */
-#define CTF(n) \
-    vs32(b##n##1) = vec_unpackl(vs16(b##n##0)); \
-    vs32(b##n##0) = vec_unpackh(vs16(b##n##0)); \
-    b##n##1 = vec_ctf(vs32(b##n##1), 0); \
-    b##n##0 = vec_ctf(vs32(b##n##0), 0); \
-
-    CTF(0);
-    CTF(1);
-    CTF(2);
-    CTF(3);
-    CTF(4);
-    CTF(5);
-    CTF(6);
-    CTF(7);
-
-#undef CTF
-    /* }}} */
-
-    FDCTROW(b00, b10, b20, b30, b40, b50, b60, b70);
-    FDCTROW(b01, b11, b21, b31, b41, b51, b61, b71);
-#endif
 
 
     /* 8x8 matrix transpose (vector float[8][2]) {{{ */
diff --git a/libavcodec/ppc/mpegvideo_altivec.c b/libavcodec/ppc/mpegvideo_altivec.c
index e02c094253..673b11d0c9 100644
--- a/libavcodec/ppc/mpegvideo_altivec.c
+++ b/libavcodec/ppc/mpegvideo_altivec.c
@@ -515,21 +515,6 @@ static void dct_unquantize_h263_altivec(MpegEncContext *s,
         qaddv = vec_splat((vec_s16)vec_lde(0, &qadd8), 0);
         nqaddv = vec_sub(vczero, qaddv);
 
-#if 0   // block *is* 16 bytes-aligned, it seems.
-        // first make sure block[j] is 16 bytes-aligned
-        for(j = 0; (j <= nCoeffs) && ((((unsigned long)block) + (j << 1)) & 0x0000000F) ; j++) {
-            level = block[j];
-            if (level) {
-                if (level < 0) {
-                    level = level * qmul - qadd;
-                } else {
-                    level = level * qmul + qadd;
-                }
-                block[j] = level;
-            }
-        }
-#endif
-
         // vectorize all the 16 bytes-aligned blocks
         // of 8 elements
         for(; (j + 7) <= nCoeffs ; j+=8) {
@@ -599,9 +584,6 @@ void MPV_common_init_altivec(MpegEncContext *s)
 
     if ((s->avctx->dct_algo == FF_DCT_AUTO) ||
             (s->avctx->dct_algo == FF_DCT_ALTIVEC)) {
-#if 0 /* seems to cause trouble under some circumstances */
-        s->dct_quantize = dct_quantize_altivec;
-#endif
         s->dct_unquantize_h263_intra = dct_unquantize_h263_altivec;
         s->dct_unquantize_h263_inter = dct_unquantize_h263_altivec;
     }
-- 
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