target/arm: Replace ARM_FEATURE_VFP3 checks with fp{sp, dp}_v3

Sort this check to the start of a trans_* function.
Merge this with any existing test for fpdp_v2.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200224222232.13807-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target/arm/translate-vfp.inc.c

@@ -717,7 +717,7 @@ static bool trans_VMSR_VMRS(DisasContext *s, arg_VMSR_VMRS *a)
          * VFPv2 allows access to FPSID from userspace; VFPv3 restricts
          * all ID registers to privileged access only.
          */
-        if (IS_USER(s) && arm_dc_feature(s, ARM_FEATURE_VFP3)) {
+        if (IS_USER(s) && dc_isar_feature(aa32_fpsp_v3, s)) {
             return false;
         }
         ignore_vfp_enabled = true;
@@ -746,7 +746,7 @@ static bool trans_VMSR_VMRS(DisasContext *s, arg_VMSR_VMRS *a)
     case ARM_VFP_FPINST:
     case ARM_VFP_FPINST2:
         /* Not present in VFPv3 */
-        if (IS_USER(s) || arm_dc_feature(s, ARM_FEATURE_VFP3)) {
+        if (IS_USER(s) || dc_isar_feature(aa32_fpsp_v3, s)) {
             return false;
         }
         break;
@@ -1873,12 +1873,12 @@ static bool trans_VMOV_imm_sp(DisasContext *s, arg_VMOV_imm_sp *a)
 
     vd = a->vd;
 
-    if (!dc_isar_feature(aa32_fpshvec, s) &&
-        (veclen != 0 || s->vec_stride != 0)) {
+    if (!dc_isar_feature(aa32_fpsp_v3, s)) {
         return false;
     }
 
-    if (!arm_dc_feature(s, ARM_FEATURE_VFP3)) {
+    if (!dc_isar_feature(aa32_fpshvec, s) &&
+        (veclen != 0 || s->vec_stride != 0)) {
         return false;
     }
 
@@ -1923,7 +1923,7 @@ static bool trans_VMOV_imm_dp(DisasContext *s, arg_VMOV_imm_dp *a)
 
     vd = a->vd;
 
-    if (!dc_isar_feature(aa32_fpdp_v2, s)) {
+    if (!dc_isar_feature(aa32_fpdp_v3, s)) {
         return false;
     }
 
@@ -1937,10 +1937,6 @@ static bool trans_VMOV_imm_dp(DisasContext *s, arg_VMOV_imm_dp *a)
         return false;
     }
 
-    if (!arm_dc_feature(s, ARM_FEATURE_VFP3)) {
-        return false;
-    }
-
     if (!vfp_access_check(s)) {
         return true;
     }
@@ -2565,7 +2561,7 @@ static bool trans_VCVT_fix_sp(DisasContext *s, arg_VCVT_fix_sp *a)
     TCGv_ptr fpst;
     int frac_bits;
 
-    if (!arm_dc_feature(s, ARM_FEATURE_VFP3)) {
+    if (!dc_isar_feature(aa32_fpsp_v3, s)) {
         return false;
     }
 
@@ -2625,11 +2621,7 @@ static bool trans_VCVT_fix_dp(DisasContext *s, arg_VCVT_fix_dp *a)
     TCGv_ptr fpst;
     int frac_bits;
 
-    if (!dc_isar_feature(aa32_fpdp_v2, s)) {
-        return false;
-    }
-
-    if (!arm_dc_feature(s, ARM_FEATURE_VFP3)) {
+    if (!dc_isar_feature(aa32_fpdp_v3, s)) {
         return false;
     }