[PATCH v2 64/69] target/arm: Remove fp_status_a64

[Peter Maydell]

From: Richard Henderson <richard.henderson@linaro.org>

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>
---
 target/arm/cpu.h            |  1 -
 target/arm/cpu.c            |  2 +-
 target/arm/tcg/sme_helper.c |  2 +-
 target/arm/tcg/vec_helper.c | 10 +++++-----
 target/arm/vfp_helper.c     | 16 ++++++++--------
 5 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 06dbee57259..05a58de0451 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -691,7 +691,6 @@ typedef struct CPUArchState {
             float_status fp_status[FPST_COUNT];
             struct {
                 float_status fp_status_a32;
-                float_status fp_status_a64;
             };
         };
 
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index ceb2dcb3fb9..777e5f5dd80 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -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]);
diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index 6e336e10c6a..dcc48e43db3 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -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;
diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c
index 78f14503f49..215affc2711 100644
--- a/target/arm/tcg/vec_helper.c
+++ b/target/arm/tcg/vec_helper.c
@@ -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) {
diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c
index e6e14bfd646..fcbe36ecdc3 100644
--- a/target/arm/vfp_helper.c
+++ b/target/arm/vfp_helper.c
@@ -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]);
         }
     }
-- 
2.34.1