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authorPeter Maydell <peter.maydell@linaro.org>2011-05-25 14:51:48 +0000
committerPeter Maydell <peter.maydell@linaro.org>2011-06-22 15:01:31 +0000
commitae1857eca22b58d430941730bd097e95a484652c (patch)
tree9ab2f0bc829beedd76af56b037ea694a9cb08e29 /target-arm
parent5aaebd13da29a7157b757590284664dc42ea6a69 (diff)
target-arm: Make VFP binop helpers take pointer to fpstatus, not CPUState
Make the VFP binop helper functions take a pointer to the fp status, not the entire CPUState. This will allow us to use them for Neon operations too. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm')
-rw-r--r--target-arm/helper.c10
-rw-r--r--target-arm/helper.h16
-rw-r--r--target-arm/translate.c17
3 files changed, 25 insertions, 18 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 12084167d6..9f14781d5d 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -2453,13 +2453,15 @@ void vfp_set_fpscr(CPUState *env, uint32_t val)
#define VFP_HELPER(name, p) HELPER(glue(glue(vfp_,name),p))
#define VFP_BINOP(name) \
-float32 VFP_HELPER(name, s)(float32 a, float32 b, CPUState *env) \
+float32 VFP_HELPER(name, s)(float32 a, float32 b, void *fpstp) \
{ \
- return float32_ ## name (a, b, &env->vfp.fp_status); \
+ float_status *fpst = fpstp; \
+ return float32_ ## name(a, b, fpst); \
} \
-float64 VFP_HELPER(name, d)(float64 a, float64 b, CPUState *env) \
+float64 VFP_HELPER(name, d)(float64 a, float64 b, void *fpstp) \
{ \
- return float64_ ## name (a, b, &env->vfp.fp_status); \
+ float_status *fpst = fpstp; \
+ return float64_ ## name(a, b, fpst); \
}
VFP_BINOP(add)
VFP_BINOP(sub)
diff --git a/target-arm/helper.h b/target-arm/helper.h
index 44800b1614..40b46770d8 100644
--- a/target-arm/helper.h
+++ b/target-arm/helper.h
@@ -74,14 +74,14 @@ DEF_HELPER_2(set_user_reg, void, i32, i32)
DEF_HELPER_1(vfp_get_fpscr, i32, env)
DEF_HELPER_2(vfp_set_fpscr, void, env, i32)
-DEF_HELPER_3(vfp_adds, f32, f32, f32, env)
-DEF_HELPER_3(vfp_addd, f64, f64, f64, env)
-DEF_HELPER_3(vfp_subs, f32, f32, f32, env)
-DEF_HELPER_3(vfp_subd, f64, f64, f64, env)
-DEF_HELPER_3(vfp_muls, f32, f32, f32, env)
-DEF_HELPER_3(vfp_muld, f64, f64, f64, env)
-DEF_HELPER_3(vfp_divs, f32, f32, f32, env)
-DEF_HELPER_3(vfp_divd, f64, f64, f64, env)
+DEF_HELPER_3(vfp_adds, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_addd, f64, f64, f64, ptr)
+DEF_HELPER_3(vfp_subs, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_subd, f64, f64, f64, ptr)
+DEF_HELPER_3(vfp_muls, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_muld, f64, f64, f64, ptr)
+DEF_HELPER_3(vfp_divs, f32, f32, f32, ptr)
+DEF_HELPER_3(vfp_divd, f64, f64, f64, ptr)
DEF_HELPER_1(vfp_negs, f32, f32)
DEF_HELPER_1(vfp_negd, f64, f64)
DEF_HELPER_1(vfp_abss, f32, f32)
diff --git a/target-arm/translate.c b/target-arm/translate.c
index e9d1549224..9ed747f36d 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -909,10 +909,13 @@ static TCGv_ptr get_fpstatus_ptr(int neon)
#define VFP_OP2(name) \
static inline void gen_vfp_##name(int dp) \
{ \
- if (dp) \
- gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, cpu_F1d, cpu_env); \
- else \
- gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, cpu_F1s, cpu_env); \
+ TCGv_ptr fpst = get_fpstatus_ptr(0); \
+ if (dp) { \
+ gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, cpu_F1d, fpst); \
+ } else { \
+ gen_helper_vfp_##name##s(cpu_F0s, cpu_F0s, cpu_F1s, fpst); \
+ } \
+ tcg_temp_free_ptr(fpst); \
}
VFP_OP2(add)
@@ -925,11 +928,13 @@ VFP_OP2(div)
static inline void gen_vfp_F1_mul(int dp)
{
/* Like gen_vfp_mul() but put result in F1 */
+ TCGv_ptr fpst = get_fpstatus_ptr(0);
if (dp) {
- gen_helper_vfp_muld(cpu_F1d, cpu_F0d, cpu_F1d, cpu_env);
+ gen_helper_vfp_muld(cpu_F1d, cpu_F0d, cpu_F1d, fpst);
} else {
- gen_helper_vfp_muls(cpu_F1s, cpu_F0s, cpu_F1s, cpu_env);
+ gen_helper_vfp_muls(cpu_F1s, cpu_F0s, cpu_F1s, fpst);
}
+ tcg_temp_free_ptr(fpst);
}
static inline void gen_vfp_F1_neg(int dp)