From c172683bf46a715baac867a49cdf621604592846 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Sun, 22 Jun 2014 20:34:14 -0300
Subject: [PATCH] x86/dsputil: remove redundant global motion compensation code

The SSE version has been no different than the mmx one since commit a41bf09d

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/x86/dsputil_init.c | 15 +----------
 libavcodec/x86/dsputil_mmx.c  | 49 +++++------------------------------
 libavcodec/x86/dsputil_x86.h  |  5 ----
 3 files changed, 7 insertions(+), 62 deletions(-)

diff --git a/libavcodec/x86/dsputil_init.c b/libavcodec/x86/dsputil_init.c
index ed58598810..89f26e6e7f 100644
--- a/libavcodec/x86/dsputil_init.c
+++ b/libavcodec/x86/dsputil_init.c
@@ -61,7 +61,7 @@ static av_cold void dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx,
         }
     }
 
-#if CONFIG_VIDEODSP && (ARCH_X86_32 || !HAVE_YASM)
+#if CONFIG_VIDEODSP
     c->gmc = ff_gmc_mmx;
 #endif
 #endif /* HAVE_MMX_INLINE */
@@ -83,16 +83,6 @@ static av_cold void dsputil_init_mmxext(DSPContext *c, AVCodecContext *avctx,
 #endif /* HAVE_MMXEXT_INLINE */
 }
 
-static av_cold void dsputil_init_sse(DSPContext *c, AVCodecContext *avctx,
-                                     int cpu_flags, unsigned high_bit_depth)
-{
-#if HAVE_YASM
-#if HAVE_INLINE_ASM && CONFIG_VIDEODSP
-    c->gmc = ff_gmc_sse;
-#endif
-#endif /* HAVE_YASM */
-}
-
 static av_cold void dsputil_init_sse2(DSPContext *c, AVCodecContext *avctx,
                                       int cpu_flags, unsigned high_bit_depth)
 {
@@ -130,9 +120,6 @@ av_cold void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx,
     if (X86_MMXEXT(cpu_flags))
         dsputil_init_mmxext(c, avctx, cpu_flags, high_bit_depth);
 
-    if (X86_SSE(cpu_flags))
-        dsputil_init_sse(c, avctx, cpu_flags, high_bit_depth);
-
     if (X86_SSE2(cpu_flags))
         dsputil_init_sse2(c, avctx, cpu_flags, high_bit_depth);
 
diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c
index 54aba38b53..310039957f 100644
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@@ -247,17 +247,11 @@ void ff_draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
     }
 }
 
-typedef void emulated_edge_mc_func(uint8_t *dst, const uint8_t *src,
-                                   ptrdiff_t dst_stride,
-                                   ptrdiff_t src_linesize,
-                                   int block_w, int block_h,
-                                   int src_x, int src_y, int w, int h);
-
-static av_always_inline void gmc(uint8_t *dst, uint8_t *src,
-                                 int stride, int h, int ox, int oy,
-                                 int dxx, int dxy, int dyx, int dyy,
-                                 int shift, int r, int width, int height,
-                                 emulated_edge_mc_func *emu_edge_fn)
+#if CONFIG_VIDEODSP
+void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
+                int stride, int h, int ox, int oy,
+                int dxx, int dxy, int dyx, int dyy,
+                int shift, int r, int width, int height)
 {
     const int w    = 8;
     const int ix   = ox  >> (16 + shift);
@@ -298,7 +292,7 @@ static av_always_inline void gmc(uint8_t *dst, uint8_t *src,
 
     src += ix + iy * stride;
     if (need_emu) {
-        emu_edge_fn(edge_buf, src, stride, stride, w + 1, h + 1, ix, iy, width, height);
+        ff_emulated_edge_mc_8(edge_buf, src, stride, stride, w + 1, h + 1, ix, iy, width, height);
         src = edge_buf;
     }
 
@@ -375,36 +369,5 @@ static av_always_inline void gmc(uint8_t *dst, uint8_t *src,
         src += 4 - h * stride;
     }
 }
-
-#if CONFIG_VIDEODSP
-#if HAVE_YASM
-#if ARCH_X86_32
-void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
-                int stride, int h, int ox, int oy,
-                int dxx, int dxy, int dyx, int dyy,
-                int shift, int r, int width, int height)
-{
-    gmc(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy, shift, r,
-        width, height, &ff_emulated_edge_mc_8);
-}
-#endif
-void ff_gmc_sse(uint8_t *dst, uint8_t *src,
-                int stride, int h, int ox, int oy,
-                int dxx, int dxy, int dyx, int dyy,
-                int shift, int r, int width, int height)
-{
-    gmc(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy, shift, r,
-        width, height, &ff_emulated_edge_mc_8);
-}
-#else
-void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
-                int stride, int h, int ox, int oy,
-                int dxx, int dxy, int dyx, int dyy,
-                int shift, int r, int width, int height)
-{
-    gmc(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy, shift, r,
-        width, height, &ff_emulated_edge_mc_8);
-}
-#endif
 #endif
 #endif /* HAVE_INLINE_ASM */
diff --git a/libavcodec/x86/dsputil_x86.h b/libavcodec/x86/dsputil_x86.h
index b5d7291f28..14b7482cb9 100644
--- a/libavcodec/x86/dsputil_x86.h
+++ b/libavcodec/x86/dsputil_x86.h
@@ -48,11 +48,6 @@ void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
                 int dxx, int dxy, int dyx, int dyy,
                 int shift, int r, int width, int height);
 
-void ff_gmc_sse(uint8_t *dst, uint8_t *src,
-                int stride, int h, int ox, int oy,
-                int dxx, int dxy, int dyx, int dyy,
-                int shift, int r, int width, int height);
-
 void ff_mmx_idct(int16_t *block);
 void ff_mmxext_idct(int16_t *block);