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[PATCH v2 34/34] target/arm: Sink fp_status and fpcr access into do_fmla
From: |
Richard Henderson |
Subject: |
[PATCH v2 34/34] target/arm: Sink fp_status and fpcr access into do_fmlal* |
Date: |
Tue, 28 Jan 2025 17:38:57 -0800 |
Sink common code from the callers into do_fmlal
and do_fmlal_idx. Reorder the arguments to minimize
the re-sorting from the caller's arguments.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/tcg/vec_helper.c | 28 ++++++++++++++++------------
1 file changed, 16 insertions(+), 12 deletions(-)
diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c
index 03b0a6ebed..25ef7af029 100644
--- a/target/arm/tcg/vec_helper.c
+++ b/target/arm/tcg/vec_helper.c
@@ -2125,9 +2125,13 @@ static uint64_t load4_f16(uint64_t *ptr, int is_q, int
is_2)
* as there is not yet SVE versions that might use blocking.
*/
-static void do_fmlal(float32 *d, void *vn, void *vm, float_status *fpst,
- uint64_t negx, int negf, uint32_t desc, bool fz16)
+static void do_fmlal(float32 *d, void *vn, void *vm,
+ CPUARMState *env, uint32_t desc,
+ ARMFPStatusFlavour fpst_idx,
+ uint64_t negx, int negf)
{
+ float_status *fpst = &env->vfp.fp_status[fpst_idx];
+ bool fz16 = env->vfp.fpcr & FPCR_FZ16;
intptr_t i, oprsz = simd_oprsz(desc);
int is_2 = extract32(desc, SIMD_DATA_SHIFT + 1, 1);
int is_q = oprsz == 16;
@@ -2154,8 +2158,7 @@ void HELPER(gvec_fmlal_a32)(void *vd, void *vn, void *vm,
bool is_s = extract32(desc, SIMD_DATA_SHIFT, 1);
uint64_t negx = is_s ? 0x8000800080008000ull : 0;
- do_fmlal(vd, vn, vm, &env->vfp.fp_status[FPST_STD], negx, 0, desc,
- env->vfp.fpcr & FPCR_FZ16);
+ do_fmlal(vd, vn, vm, env, desc, FPST_STD, negx, 0);
}
void HELPER(gvec_fmlal_a64)(void *vd, void *vn, void *vm,
@@ -2172,8 +2175,7 @@ void HELPER(gvec_fmlal_a64)(void *vd, void *vn, void *vm,
negx = 0x8000800080008000ull;
}
}
- do_fmlal(vd, vn, vm, &env->vfp.fp_status[FPST_A64], negx, negf, desc,
- env->vfp.fpcr & FPCR_FZ16);
+ do_fmlal(vd, vn, vm, env, desc, FPST_A64, negx, negf);
}
void HELPER(sve2_fmlal_zzzw_s)(void *vd, void *vn, void *vm, void *va,
@@ -2205,9 +2207,13 @@ void HELPER(sve2_fmlal_zzzw_s)(void *vd, void *vn, void
*vm, void *va,
}
}
-static void do_fmlal_idx(float32 *d, void *vn, void *vm, float_status *fpst,
- uint64_t negx, int negf, uint32_t desc, bool fz16)
+static void do_fmlal_idx(float32 *d, void *vn, void *vm,
+ CPUARMState *env, uint32_t desc,
+ ARMFPStatusFlavour fpst_idx,
+ uint64_t negx, int negf)
{
+ float_status *fpst = &env->vfp.fp_status[fpst_idx];
+ bool fz16 = env->vfp.fpcr & FPCR_FZ16;
intptr_t i, oprsz = simd_oprsz(desc);
int is_2 = extract32(desc, SIMD_DATA_SHIFT + 1, 1);
int index = extract32(desc, SIMD_DATA_SHIFT + 2, 3);
@@ -2235,8 +2241,7 @@ void HELPER(gvec_fmlal_idx_a32)(void *vd, void *vn, void
*vm,
bool is_s = extract32(desc, SIMD_DATA_SHIFT, 1);
uint64_t negx = is_s ? 0x8000800080008000ull : 0;
- do_fmlal_idx(vd, vn, vm, &env->vfp.fp_status[FPST_STD], negx, 0, desc,
- env->vfp.fpcr & FPCR_FZ16);
+ do_fmlal_idx(vd, vn, vm, env, desc, FPST_STD, negx, 0);
}
void HELPER(gvec_fmlal_idx_a64)(void *vd, void *vn, void *vm,
@@ -2253,8 +2258,7 @@ void HELPER(gvec_fmlal_idx_a64)(void *vd, void *vn, void
*vm,
negx = 0x8000800080008000ull;
}
}
- do_fmlal_idx(vd, vn, vm, &env->vfp.fp_status[FPST_A64], negx, negf, desc,
- env->vfp.fpcr & FPCR_FZ16);
+ do_fmlal_idx(vd, vn, vm, env, desc, FPST_A64, negx, negf);
}
void HELPER(sve2_fmlal_zzxw_s)(void *vd, void *vn, void *vm, void *va,
--
2.43.0
- [PATCH v2 22/34] target/arm: Use flags for AH negation in do_fmla_zpzzz_*, (continued)
- [PATCH v2 22/34] target/arm: Use flags for AH negation in do_fmla_zpzzz_*, Richard Henderson, 2025/01/28
- [PATCH v2 24/34] target/arm: Use flags for AH negation in float*_ah_mulsub_f, Richard Henderson, 2025/01/28
- [PATCH v2 26/34] target/arm: Handle FPCR.AH in gvec_fcmla[hs]_idx, Richard Henderson, 2025/01/28
- [PATCH v2 28/34] target/arm: Split gvec_fmla_idx_* for fmls and ah_fmls, Richard Henderson, 2025/01/28
- [PATCH v2 25/34] target/arm: Handle FPCR.AH in gvec_fcmla[hsd], Richard Henderson, 2025/01/28
- [PATCH v2 27/34] target/arm: Handle FPCR.AH in sve_fcmla_zpzzz_*, Richard Henderson, 2025/01/28
- [PATCH v2 29/34] Revert "target/arm: Handle FPCR.AH in FMLSL", Richard Henderson, 2025/01/28
- [PATCH v2 30/34] target/arm: Handle FPCR.AH in gvec_fmlal_a64, Richard Henderson, 2025/01/28
- [PATCH v2 32/34] target/arm: Handle FPCR.AH in sve2_fmlal_zzzw_s, Richard Henderson, 2025/01/28
- [PATCH v2 33/34] target/arm: Read fz16 from env->vfp.fpcr, Richard Henderson, 2025/01/28
- [PATCH v2 34/34] target/arm: Sink fp_status and fpcr access into do_fmlal*,
Richard Henderson <=
- [PATCH v2 31/34] target/arm: Handle FPCR.AH in sve2_fmlal_zzxw_s, Richard Henderson, 2025/01/28