Revert r97185 "Update libvpx snapshot to v0.9.7-p1 (Cayuga)."

libvpx/source/libvpx/vp8/encoder/ppc/csystemdependent.c

Index: libvpx/source/libvpx/vp8/encoder/ppc/csystemdependent.c
diff --git a/libvpx/source/libvpx/vp8/encoder/ppc/csystemdependent.c b/libvpx/source/libvpx/vp8/encoder/ppc/csystemdependent.c
index 63f2357846739bf6e4f6b4cdd6d1779a140068e5..8dfd2a5439238fc326c28e26d6e2e707012bc925 100644
--- a/libvpx/source/libvpx/vp8/encoder/ppc/csystemdependent.c
+++ b/libvpx/source/libvpx/vp8/encoder/ppc/csystemdependent.c
@@ -48,6 +48,9 @@ void (*vp8_subtract_mby)(short *diff, unsigned char *src, unsigned char *pred, i
 void (*vp8_subtract_mbuv)(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride);
 void (*vp8_fast_quantize_b)(BLOCK *b, BLOCKD *d);
 
+unsigned int (*vp8_get16x16pred_error)(unsigned char *src_ptr, int src_stride, unsigned char *ref_ptr, int ref_stride);
+unsigned int (*vp8_get8x8var)(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
+unsigned int (*vp8_get16x16var)(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
 unsigned int (*vp8_get4x4sse_cs)(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride);
 
 // c imports
@@ -85,6 +88,9 @@ extern sub_pixel_variance_function sub_pixel_variance16x8_c;
 extern sub_pixel_variance_function sub_pixel_variance16x16_c;
 
 extern unsigned int vp8_get_mb_ss_c(short *);
+extern unsigned int vp8_get16x16pred_error_c(unsigned char *src_ptr, int src_stride, unsigned char *ref_ptr, int ref_stride);
+extern unsigned int vp8_get8x8var_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
+extern unsigned int vp8_get16x16var_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride, unsigned int *SSE, int *Sum);
 extern unsigned int vp8_get4x4sse_cs_c(unsigned char *src_ptr, int  source_stride, unsigned char *ref_ptr, int  recon_stride);
 
 // ppc
@@ -143,6 +149,9 @@ void vp8_cmachine_specific_config(void)
     vp8_sub_pixel_variance16x16   = vp8_sub_pixel_variance16x16_ppc;
 
     vp8_get_mb_ss                 = vp8_get_mb_ss_c;
+    vp8_get16x16pred_error       = vp8_get16x16pred_error_c;
+    vp8_get8x8var               = vp8_get8x8var_ppc;
+    vp8_get16x16var             = vp8_get16x16var_ppc;
     vp8_get4x4sse_cs            = vp8_get4x4sse_cs_c;
 
     vp8_sad16x16                = vp8_sad16x16_ppc;