commit 6b25501bf1b5f7f729665c39cb3e25a7b1edf385
author Scott LaVarnway <slavarnway@google.com> Thu May 12 10:50:16 2011 -0400
committer Scott LaVarnway <slavarnway@google.com> Thu May 12 11:08:16 2011 -0400
tree 5e8b5be7c66db051692aae8b2f8dbf981e8dcc23
parent 6ed81fa5b3aba4c6be6950872a03d67ddbc8c990

Using int_mv instead of MV

The compiler produces better assembly when using int_mv
for assignments.  The compiler shifts and ors the two 16bit
values when assigning MV.

Change-Id: I52ce4bc2bfbfaf3f1151204b2f21e1e0654f960f

vp8/encoder/mcomp.h

diff --git a/vp8/encoder/mcomp.h b/vp8/encoder/mcomp.h
index d655b83..85c7513 100644
--- a/vp8/encoder/mcomp.h
+++ b/vp8/encoder/mcomp.h
@@ -26,7 +26,7 @@
 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))            // Maximum size of the first step in full pel units
 
 extern void print_mode_context(void);
-extern int vp8_mv_bit_cost(MV *mv, MV *ref, int *mvcost[2], int Weight);
+extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);
 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
 extern void vp8_init3smotion_compensation(MACROBLOCK *x,  int stride);
 
@@ -36,20 +36,21 @@
     MACROBLOCK *x,
     BLOCK *b,
     BLOCKD *d,
-    MV *ref_mv,
-    MV *best_mv,
+    int_mv *ref_mv,
+    int_mv *best_mv,
     int search_param,
     int error_per_bit,
     int *num00,
     const vp8_variance_fn_ptr_t *vf,
     int *mvsadcost[2],
     int *mvcost[2],
-    MV *center_mv
+    int_mv *center_mv
 );
 
 typedef int (fractional_mv_step_fp)
-    (MACROBLOCK *x, BLOCK *b, BLOCKD *d, MV *bestmv, MV *ref_mv,
-     int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2], int *distortion, unsigned int *sse);
+    (MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,
+     int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],
+     int *distortion, unsigned int *sse);
 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
 extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
@@ -61,12 +62,12 @@
      MACROBLOCK *x, \
      BLOCK *b, \
      BLOCKD *d, \
-     MV *ref_mv, \
+     int_mv *ref_mv, \
      int error_per_bit, \
      int distance, \
      vp8_variance_fn_ptr_t *fn_ptr, \
      int *mvcost[2], \
-     MV *center_mv \
+     int_mv *center_mv \
     )
 
 #define prototype_refining_search_sad(sym)\
@@ -75,12 +76,12 @@
      MACROBLOCK *x, \
      BLOCK *b, \
      BLOCKD *d, \
-     MV *ref_mv, \
+     int_mv *ref_mv, \
      int error_per_bit, \
      int distance, \
      vp8_variance_fn_ptr_t *fn_ptr, \
      int *mvcost[2], \
-     MV *center_mv \
+     int_mv *center_mv \
     )
 
 #define prototype_diamond_search_sad(sym)\
@@ -89,14 +90,14 @@
      MACROBLOCK *x, \
      BLOCK *b, \
      BLOCKD *d, \
-     MV *ref_mv, \
-     MV *best_mv, \
+     int_mv *ref_mv, \
+     int_mv *best_mv, \
      int search_param, \
      int error_per_bit, \
      int *num00, \
      vp8_variance_fn_ptr_t *fn_ptr, \
      int *mvcost[2], \
-     MV *center_mv \
+     int_mv *center_mv \
     )
 
 #if ARCH_X86 || ARCH_X86_64