aboutsummaryrefslogtreecommitdiff
path: root/target-mips
diff options
context:
space:
mode:
authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-23 18:06:27 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-23 18:06:27 +0000
commite214b9bb55b20480c4f7a6f4db2d929332cf8c19 (patch)
tree44b6777183660f25c856ec98ea7c6a3098fd8129 /target-mips
parente8996ee012e957cf8456d41ee6a7bbaf1f9b888b (diff)
Switch MIPS movf/movt to TCG.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4545 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/op.c15
-rw-r--r--target-mips/translate.c30
2 files changed, 22 insertions, 23 deletions
diff --git a/target-mips/op.c b/target-mips/op.c
index 89495b7192..3bb6adfee3 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 6f295d4a50..5014bdf252 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) \