Simplify mips branch handling. Retire T2 from use. Use TCG for branches.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4320 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 5 insertions, 35 deletions

diff --git a/target-mips/op.c b/target-mips/op.c
index b19c439..00b7799 100644
--- a/target-mips/op.c
+++ b/target-mips/op.c
@@ -247,12 +247,6 @@
 #include "fop_template.c"
 #undef FTN
 
-void op_dup_T0 (void)
-{
-    T2 = T0;
-    FORCE_RET();
-}
-
 void op_load_HI (void)
 {
     T0 = env->HI[env->current_tc][PARAM1];
@@ -1096,19 +1090,13 @@ OP_COND(ltz, (target_long)T0 < 0);
 /* Branch to register */
 void op_save_breg_target (void)
 {
-    env->btarget = T2;
-    FORCE_RET();
-}
-
-void op_restore_breg_target (void)
-{
-    T2 = env->btarget;
+    env->btarget = T1;
     FORCE_RET();
 }
 
 void op_breg (void)
 {
-    env->PC[env->current_tc] = T2;
+    env->PC[env->current_tc] = env->btarget;
     FORCE_RET();
 }
 
@@ -1129,25 +1117,13 @@ void op_save_btarget64 (void)
 /* Conditional branch */
 void op_set_bcond (void)
 {
-    T2 = T0;
-    FORCE_RET();
-}
-
-void op_save_bcond (void)
-{
-    env->bcond = T2;
-    FORCE_RET();
-}
-
-void op_restore_bcond (void)
-{
-    T2 = env->bcond;
+    env->bcond = T0;
     FORCE_RET();
 }
 
-void op_jnz_T2 (void)
+void op_jnz_bcond (void)
 {
-    if (T2)
+    if (env->bcond)
         GOTO_LABEL_PARAM(1);
     FORCE_RET();
 }
@@ -3116,12 +3092,6 @@ void op_debug (void)
     FORCE_RET();
 }
 
-void op_set_lladdr (void)
-{
-    env->CP0_LLAddr = T2;
-    FORCE_RET();
-}
-
 void debug_pre_eret (void);
 void debug_post_eret (void);
 void op_eret (void)