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target-arm: Add helper function to generate code to get fpstatus pointer

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Add and use a helper function which returns a TCGv which is a pointer
to the fp_status for either Neon or VFP operations.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2011-05-25 15:16:10 +00:00
parent 477955bd55
commit 5aaebd13da
1 changed files with 16 additions and 24 deletions
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40
target-arm/translate.c
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@ -893,6 +893,19 @@ static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn,
}
}
static TCGv_ptr get_fpstatus_ptr(int neon)
{
TCGv_ptr statusptr = tcg_temp_new_ptr();
int offset;
if (neon) {
offset = offsetof(CPUState, vfp.standard_fp_status);
} else {
offset = offsetof(CPUState, vfp.fp_status);
}
tcg_gen_addi_ptr(statusptr, cpu_env, offset);
return statusptr;
}
#define VFP_OP2(name) \
static inline void gen_vfp_##name(int dp) \
{ \
@ -980,14 +993,7 @@ static inline void gen_vfp_F1_ld0(int dp)
#define VFP_GEN_ITOF(name) \
static inline void gen_vfp_##name(int dp, int neon) \
{ \
TCGv_ptr statusptr = tcg_temp_new_ptr(); \
int offset; \
if (neon) { \
offset = offsetof(CPUState, vfp.standard_fp_status); \
} else { \
offset = offsetof(CPUState, vfp.fp_status); \
} \
tcg_gen_addi_ptr(statusptr, cpu_env, offset); \
TCGv_ptr statusptr = get_fpstatus_ptr(neon); \
if (dp) { \
gen_helper_vfp_##name##d(cpu_F0d, cpu_F0s, statusptr); \
} else { \
@ -1003,14 +1009,7 @@ VFP_GEN_ITOF(sito)
#define VFP_GEN_FTOI(name) \
static inline void gen_vfp_##name(int dp, int neon) \
{ \
TCGv_ptr statusptr = tcg_temp_new_ptr(); \
int offset; \
if (neon) { \
offset = offsetof(CPUState, vfp.standard_fp_status); \
} else { \
offset = offsetof(CPUState, vfp.fp_status); \
} \
tcg_gen_addi_ptr(statusptr, cpu_env, offset); \
TCGv_ptr statusptr = get_fpstatus_ptr(neon); \
if (dp) { \
gen_helper_vfp_##name##d(cpu_F0s, cpu_F0d, statusptr); \
} else { \
@ -1029,14 +1028,7 @@ VFP_GEN_FTOI(tosiz)
static inline void gen_vfp_##name(int dp, int shift, int neon) \
{ \
TCGv tmp_shift = tcg_const_i32(shift); \
TCGv_ptr statusptr = tcg_temp_new_ptr(); \
int offset; \
if (neon) { \
offset = offsetof(CPUState, vfp.standard_fp_status); \
} else { \
offset = offsetof(CPUState, vfp.fp_status); \
} \
tcg_gen_addi_ptr(statusptr, cpu_env, offset); \
TCGv_ptr statusptr = get_fpstatus_ptr(neon); \
if (dp) { \
gen_helper_vfp_##name##d(cpu_F0d, cpu_F0d, tmp_shift, statusptr); \
} else { \