[v2,03/17] target/arm: Add isar_feature_aa32_{fpsp_v2, fpsp_v3, fpdp_v3}

Message ID 20200224222232.13807-4-richard.henderson@linaro.org
State Superseded
Headers show
Series
  • target/arm: vfp feature and decodetree cleanup
Related show

Commit Message

Richard Henderson Feb. 24, 2020, 10:22 p.m.
We will shortly use these to test for VFPv2 and VFPv3
in different situations.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/cpu.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

-- 
2.20.1

Patch

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 1e6eac0cd2..f7a90f512e 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3470,12 +3470,30 @@  static inline bool isar_feature_aa32_fpshvec(const ARMISARegisters *id)
     return FIELD_EX32(id->mvfr0, MVFR0, FPSHVEC) > 0;
 }
 
+static inline bool isar_feature_aa32_fpsp_v2(const ARMISARegisters *id)
+{
+    /* Return true if CPU supports single precision floating point, VFPv2 */
+    return FIELD_EX32(id->mvfr0, MVFR0, FPSP) > 0;
+}
+
+static inline bool isar_feature_aa32_fpsp_v3(const ARMISARegisters *id)
+{
+    /* Return true if CPU supports single precision floating point, VFPv3 */
+    return FIELD_EX32(id->mvfr0, MVFR0, FPSP) >= 2;
+}
+
 static inline bool isar_feature_aa32_fpdp_v2(const ARMISARegisters *id)
 {
     /* Return true if CPU supports double precision floating point, VFPv2 */
     return FIELD_EX32(id->mvfr0, MVFR0, FPDP) > 0;
 }
 
+static inline bool isar_feature_aa32_fpdp_v3(const ARMISARegisters *id)
+{
+    /* Return true if CPU supports double precision floating point, VFPv3 */
+    return FIELD_EX32(id->mvfr0, MVFR0, FPDP) >= 2;
+}
+
 /*
  * We always set the FP and SIMD FP16 fields to indicate identical
  * levels of support (assuming SIMD is implemented at all), so