libvpx: Pull from upstream

source/config/linux/ia32/vp8_rtcd.h

 #ifndef VP8_RTCD_H_
 #define VP8_RTCD_H_
 
 #ifdef RTCD_C
 #define RTCD_EXTERN
 #else
 #define RTCD_EXTERN extern
 #endif
 
 /*
  * VP8
  */
 
 struct blockd;
 struct macroblockd;
 struct loop_filter_info;
 
 /* Encoder forward decls */
 struct block;
 struct macroblock;
 struct variance_vtable;
 union int_mv;
 struct yv12_buffer_config;
 
+void vp8_clear_system_state_c();
+void vpx_reset_mmx_state();
+RTCD_EXTERN void (*vp8_clear_system_state)();
+
 void vp8_dequantize_b_c(struct blockd*, short *dqc);
 void vp8_dequantize_b_mmx(struct blockd*, short *dqc);
 RTCD_EXTERN void (*vp8_dequantize_b)(struct blockd*, short *dqc);
 
 void vp8_dequant_idct_add_c(short *input, short *dq, unsigned char *output, int stride);
 void vp8_dequant_idct_add_mmx(short *input, short *dq, unsigned char *output, int stride);
 RTCD_EXTERN void (*vp8_dequant_idct_add)(short *input, short *dq, unsigned char *output, int stride);
 
 void vp8_dequant_idct_add_y_block_c(short *q, short *dq, unsigned char *dst, int stride, char *eobs);
 void vp8_dequant_idct_add_y_block_mmx(short *q, short *dq, unsigned char *dst, int stride, char *eobs);
@@ skipping 438 matching lines @@
 void vp8_rtcd(void);
 
 #ifdef RTCD_C
 #include "vpx_ports/x86.h"
 static void setup_rtcd_internal(void)
 {
     int flags = x86_simd_caps();
 
     (void)flags;
 
+    vp8_clear_system_state = vp8_clear_system_state_c;
+    if (flags & HAS_MMX) vp8_clear_system_state = vpx_reset_mmx_state;
+
     vp8_dequantize_b = vp8_dequantize_b_c;
     if (flags & HAS_MMX) vp8_dequantize_b = vp8_dequantize_b_mmx;
 
     vp8_dequant_idct_add = vp8_dequant_idct_add_c;
     if (flags & HAS_MMX) vp8_dequant_idct_add = vp8_dequant_idct_add_mmx;
 
     vp8_dequant_idct_add_y_block = vp8_dequant_idct_add_y_block_c;
     if (flags & HAS_MMX) vp8_dequant_idct_add_y_block = vp8_dequant_idct_add_y_block_mmx;
     if (flags & HAS_SSE2) vp8_dequant_idct_add_y_block = vp8_dequant_idct_add_y_block_sse2;
 
@@ skipping 319 matching lines @@
 
     vp8_diamond_search_sad = vp8_diamond_search_sad_c;
     if (flags & HAS_SSE3) vp8_diamond_search_sad = vp8_diamond_search_sadx4;
 
 
     vp8_denoiser_filter = vp8_denoiser_filter_c;
     if (flags & HAS_SSE2) vp8_denoiser_filter = vp8_denoiser_filter_sse2;
 }
 #endif
 #endif