From a04b505dc1a28b95e8673977c76b93235bdc4abf Mon Sep 17 00:00:00 2001
From: ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 23 May 2008 18:06:27 +0000
Subject: [PATCH] Switch MIPS movf/movt to TCG.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4545 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-mips/op.c        | 15 ---------------
 target-mips/translate.c | 30 ++++++++++++++++++++++--------
 2 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/target-mips/op.c b/target-mips/op.c
index 89495b7..3bb6adf 100644
--- a/target-mips/op.c
+++ b/target-mips/op.c
@@ -460,21 +460,6 @@ void op_dmultu (void)
 }
 #endif
 
-/* Conditional moves */
-void op_movf (void)
-{
-    if (!(env->fpu->fcr31 & PARAM1))
-        T0 = T1;
-    FORCE_RET();
-}
-
-void op_movt (void)
-{
-    if (env->fpu->fcr31 & PARAM1)
-        T0 = T1;
-    FORCE_RET();
-}
-
 /* CP0 functions */
 void op_mfc0_index (void)
 {
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 6f295d4..5014bdf 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -5450,19 +5450,33 @@ static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
 
 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
 {
+    TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
+    TCGv r_tmp = new_tmp();
+    TCGv t0 = tcg_temp_new(TCG_TYPE_TL);
+    TCGv t1 = tcg_temp_new(TCG_TYPE_TL);
+    int l1 = gen_new_label();
     uint32_t ccbit;
+    TCGCond cond;
 
-    gen_load_gpr(cpu_T[0], rd);
-    gen_load_gpr(cpu_T[1], rs);
-    if (cc) {
+    if (cc)
         ccbit = 1 << (24 + cc);
-    } else
+    else
         ccbit = 1 << 23;
-    if (!tf)
-        gen_op_movf(ccbit);
+    if (tf)
+        cond = TCG_COND_NE;
     else
-        gen_op_movt(ccbit);
-    gen_store_gpr(cpu_T[0], rd);
+        cond = TCG_COND_EQ;
+
+    gen_load_gpr(t0, rd);
+    gen_load_gpr(t1, rs);
+    tcg_gen_ld_ptr(r_ptr, cpu_env, offsetof(CPUState, fpu));
+    tcg_gen_ld_i32(r_tmp, r_ptr, offsetof(CPUMIPSFPUContext, fcr31));
+    tcg_gen_andi_i32(r_tmp, r_tmp, ccbit);
+    tcg_gen_brcond_i32(cond, r_tmp, tcg_const_i32(0), l1);
+    tcg_gen_mov_tl(t0, t1);
+    gen_set_label(l1);
+    dead_tmp(r_tmp);
+    gen_store_gpr(t0, rd);
 }
 
 #define GEN_MOVCF(fmt)                                                \
-- 
2.7.4