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target/arm: Remove fp_status_a64

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Replace with fp_status[FPST_A64].

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250129013857.135256-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2025-02-01 16:40:07 +00:00 committed by Peter Maydell
parent 828def800e
commit 1c349f43b1
5 changed files with 15 additions and 16 deletions
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2
target/arm/cpu.c
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@ -551,7 +551,7 @@ static void arm_cpu_reset_hold(Object *obj, ResetType type)
set_default_nan_mode(1, &env->vfp.fp_status[FPST_STD]);
set_default_nan_mode(1, &env->vfp.fp_status[FPST_STD_F16]);
arm_set_default_fp_behaviours(&env->vfp.fp_status_a32);
arm_set_default_fp_behaviours(&env->vfp.fp_status_a64);
arm_set_default_fp_behaviours(&env->vfp.fp_status[FPST_A64]);
arm_set_default_fp_behaviours(&env->vfp.fp_status[FPST_STD]);
arm_set_default_fp_behaviours(&env->vfp.fp_status[FPST_A32_F16]);
arm_set_default_fp_behaviours(&env->vfp.fp_status[FPST_A64_F16]);

1
target/arm/cpu.h
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@ -691,7 +691,6 @@ typedef struct CPUArchState {
float_status fp_status[FPST_COUNT];
struct {
float_status fp_status_a32;
float_status fp_status_a64;
};
};

2
target/arm/tcg/sme_helper.c
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@ -1044,7 +1044,7 @@ void HELPER(sme_fmopa_h)(void *vza, void *vzn, void *vzm, void *vpn,
* round-to-odd -- see above.
*/
fpst_f16 = env->vfp.fp_status[FPST_A64_F16];
fpst_std = env->vfp.fp_status_a64;
fpst_std = env->vfp.fp_status[FPST_A64];
set_default_nan_mode(true, &fpst_std);
set_default_nan_mode(true, &fpst_f16);
fpst_odd = fpst_std;

10
target/arm/tcg/vec_helper.c
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@ -2172,7 +2172,7 @@ void HELPER(gvec_fmlal_a64)(void *vd, void *vn, void *vm,
negx = 0x8000800080008000ull;
}
}
do_fmlal(vd, vn, vm, &env->vfp.fp_status_a64, negx, negf, desc,
do_fmlal(vd, vn, vm, &env->vfp.fp_status[FPST_A64], negx, negf, desc,
get_flush_inputs_to_zero(&env->vfp.fp_status[FPST_A64_F16]));
}
@ -2182,7 +2182,7 @@ void HELPER(sve2_fmlal_zzzw_s)(void *vd, void *vn, void *vm, void *va,
intptr_t i, oprsz = simd_oprsz(desc);
bool is_s = extract32(desc, SIMD_DATA_SHIFT, 1);
intptr_t sel = extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(float16);
float_status *status = &env->vfp.fp_status_a64;
float_status *status = &env->vfp.fp_status[FPST_A64];
bool fz16 = get_flush_inputs_to_zero(&env->vfp.fp_status[FPST_A64_F16]);
int negx = 0, negf = 0;
@ -2253,7 +2253,7 @@ void HELPER(gvec_fmlal_idx_a64)(void *vd, void *vn, void *vm,
negx = 0x8000800080008000ull;
}
}
do_fmlal_idx(vd, vn, vm, &env->vfp.fp_status_a64, negx, negf, desc,
do_fmlal_idx(vd, vn, vm, &env->vfp.fp_status[FPST_A64], negx, negf, desc,
get_flush_inputs_to_zero(&env->vfp.fp_status[FPST_A64_F16]));
}
@ -2264,7 +2264,7 @@ void HELPER(sve2_fmlal_zzxw_s)(void *vd, void *vn, void *vm, void *va,
bool is_s = extract32(desc, SIMD_DATA_SHIFT, 1);
intptr_t sel = extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(float16);
intptr_t idx = extract32(desc, SIMD_DATA_SHIFT + 2, 3) * sizeof(float16);
float_status *status = &env->vfp.fp_status_a64;
float_status *status = &env->vfp.fp_status[FPST_A64];
bool fz16 = get_flush_inputs_to_zero(&env->vfp.fp_status[FPST_A64_F16]);
int negx = 0, negf = 0;
@ -2951,7 +2951,7 @@ bool is_ebf(CPUARMState *env, float_status *statusp, float_status *oddstatusp)
*/
bool ebf = is_a64(env) && env->vfp.fpcr & FPCR_EBF;
*statusp = is_a64(env) ? env->vfp.fp_status_a64 : env->vfp.fp_status_a32;
*statusp = is_a64(env) ? env->vfp.fp_status[FPST_A64] : env->vfp.fp_status_a32;
set_default_nan_mode(true, statusp);
if (ebf) {

16
target/arm/vfp_helper.c
View File

@ -125,7 +125,7 @@ static uint32_t vfp_get_fpsr_from_host(CPUARMState *env)
a32_flags |= (get_float_exception_flags(&env->vfp.fp_status[FPST_STD_F16])
& ~float_flag_input_denormal_flushed);
a64_flags |= get_float_exception_flags(&env->vfp.fp_status_a64);
a64_flags |= get_float_exception_flags(&env->vfp.fp_status[FPST_A64]);
a64_flags |= (get_float_exception_flags(&env->vfp.fp_status[FPST_A64_F16])
& ~(float_flag_input_denormal_flushed | float_flag_input_denormal_used));
/*
@ -156,7 +156,7 @@ static void vfp_clear_float_status_exc_flags(CPUARMState *env)
* be the architecturally up-to-date exception flag information first.
*/
set_float_exception_flags(0, &env->vfp.fp_status_a32);
set_float_exception_flags(0, &env->vfp.fp_status_a64);
set_float_exception_flags(0, &env->vfp.fp_status[FPST_A64]);
set_float_exception_flags(0, &env->vfp.fp_status[FPST_A32_F16]);
set_float_exception_flags(0, &env->vfp.fp_status[FPST_A64_F16]);
set_float_exception_flags(0, &env->vfp.fp_status[FPST_STD]);
@ -199,7 +199,7 @@ static void vfp_set_fpcr_to_host(CPUARMState *env, uint32_t val, uint32_t mask)
break;
}
set_float_rounding_mode(i, &env->vfp.fp_status_a32);
set_float_rounding_mode(i, &env->vfp.fp_status_a64);
set_float_rounding_mode(i, &env->vfp.fp_status[FPST_A64]);
set_float_rounding_mode(i, &env->vfp.fp_status[FPST_A32_F16]);
set_float_rounding_mode(i, &env->vfp.fp_status[FPST_A64_F16]);
}
@ -217,7 +217,7 @@ static void vfp_set_fpcr_to_host(CPUARMState *env, uint32_t val, uint32_t mask)
if (changed & FPCR_FZ) {
bool ftz_enabled = val & FPCR_FZ;
set_flush_to_zero(ftz_enabled, &env->vfp.fp_status_a32);
set_flush_to_zero(ftz_enabled, &env->vfp.fp_status_a64);
set_flush_to_zero(ftz_enabled, &env->vfp.fp_status[FPST_A64]);
/* FIZ is A64 only so FZ always makes A32 code flush inputs to zero */
set_flush_inputs_to_zero(ftz_enabled, &env->vfp.fp_status_a32);
}
@ -228,12 +228,12 @@ static void vfp_set_fpcr_to_host(CPUARMState *env, uint32_t val, uint32_t mask)
*/
bool fitz_enabled = (val & FPCR_FIZ) ||
(val & (FPCR_FZ | FPCR_AH)) == FPCR_FZ;
set_flush_inputs_to_zero(fitz_enabled, &env->vfp.fp_status_a64);
set_flush_inputs_to_zero(fitz_enabled, &env->vfp.fp_status[FPST_A64]);
}
if (changed & FPCR_DN) {
bool dnan_enabled = val & FPCR_DN;
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status_a32);
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status_a64);
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status[FPST_A64]);
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status[FPST_A32_F16]);
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status[FPST_A64_F16]);
set_default_nan_mode(dnan_enabled, &env->vfp.fp_status[FPST_AH]);
@ -244,10 +244,10 @@ static void vfp_set_fpcr_to_host(CPUARMState *env, uint32_t val, uint32_t mask)
if (ah_enabled) {
/* Change behaviours for A64 FP operations */
arm_set_ah_fp_behaviours(&env->vfp.fp_status_a64);
arm_set_ah_fp_behaviours(&env->vfp.fp_status[FPST_A64]);
arm_set_ah_fp_behaviours(&env->vfp.fp_status[FPST_A64_F16]);
} else {
arm_set_default_fp_behaviours(&env->vfp.fp_status_a64);
arm_set_default_fp_behaviours(&env->vfp.fp_status[FPST_A64]);
arm_set_default_fp_behaviours(&env->vfp.fp_status[FPST_A64_F16]);
}
}