diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3bf8fb16337..d163f6ac404 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
+	
+	* config/i386/i386.c:
+	(k8_cost, amdfam10_cost): Branch costs for vectorization tuned.
+	
 2008-01-08  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/34683
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 0f827a6de9b..599f8646e1b 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -701,7 +701,7 @@ struct processor_costs k8_cost = {
      to limit number of prefetches at all, as their execution also takes some
      time).  */
   100,					/* number of parallel prefetches */
-  5,					/* Branch cost */
+  3,					/* Branch cost */
   COSTS_N_INSNS (4),			/* cost of FADD and FSUB insns.  */
   COSTS_N_INSNS (4),			/* cost of FMUL instruction.  */
   COSTS_N_INSNS (19),			/* cost of FDIV instruction.  */
@@ -725,8 +725,8 @@ struct processor_costs k8_cost = {
   2,                                    /* vec_align_load_cost.  */
   3,                                    /* vec_unalign_load_cost.  */
   3,                                    /* vec_store_cost.  */
-  6,                                    /* cond_taken_branch_cost.  */
-  1,                                    /* cond_not_taken_branch_cost.  */
+  3,                                    /* cond_taken_branch_cost.  */
+  2,                                    /* cond_not_taken_branch_cost.  */
 };
 
 struct processor_costs amdfam10_cost = {
@@ -787,7 +787,7 @@ struct processor_costs amdfam10_cost = {
      to limit number of prefetches at all, as their execution also takes some
      time).  */
   100,					/* number of parallel prefetches */
-  5,					/* Branch cost */
+  2,					/* Branch cost */
   COSTS_N_INSNS (4),			/* cost of FADD and FSUB insns.  */
   COSTS_N_INSNS (4),			/* cost of FMUL instruction.  */
   COSTS_N_INSNS (19),			/* cost of FDIV instruction.  */
@@ -812,7 +812,7 @@ struct processor_costs amdfam10_cost = {
   2,                                    /* vec_align_load_cost.  */
   2,                                    /* vec_unalign_load_cost.  */
   2,                                    /* vec_store_cost.  */
-  6,                                    /* cond_taken_branch_cost.  */
+  2,                                    /* cond_taken_branch_cost.  */
   1,                                    /* cond_not_taken_branch_cost.  */
 };