[AArch64] ARMv8.2 command line and feature macros support

[thirdparty/gcc.git] / gcc / config / aarch64 / aarch64.h

diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index b15c23f056d6231667307a5496a9247b4eb63687..59805a9f71abf0639cd6053b88304fbb8fc9e296 100644 (file)
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -135,6 +135,9 @@ extern unsigned aarch64_architecture_version;
 /* ARMv8.1 architecture extensions.  */
 #define AARCH64_FL_LSE       (1 << 4)  /* Has Large System Extensions.  */
 #define AARCH64_FL_V8_1              (1 << 5)  /* Has ARMv8.1 extensions.  */
+/* ARMv8.2-A architecture extensions.  */
+#define AARCH64_FL_V8_2              (1 << 8)  /* Has ARMv8.2-A features.  */
+#define AARCH64_FL_F16       (1 << 9)  /* Has ARMv8.2-A FP16 extensions.  */
 
 /* Has FP and SIMD.  */
 #define AARCH64_FL_FPSIMD     (AARCH64_FL_FP | AARCH64_FL_SIMD)
@@ -146,6 +149,8 @@ extern unsigned aarch64_architecture_version;
 #define AARCH64_FL_FOR_ARCH8       (AARCH64_FL_FPSIMD)
 #define AARCH64_FL_FOR_ARCH8_1                        \
   (AARCH64_FL_FOR_ARCH8 | AARCH64_FL_LSE | AARCH64_FL_CRC | AARCH64_FL_V8_1)
+#define AARCH64_FL_FOR_ARCH8_2                 \
+  (AARCH64_FL_FOR_ARCH8_1 | AARCH64_FL_V8_2)
 
 /* Macros to test ISA flags.  */
 
@@ -155,6 +160,8 @@ extern unsigned aarch64_architecture_version;
 #define AARCH64_ISA_SIMD           (aarch64_isa_flags & AARCH64_FL_SIMD)
 #define AARCH64_ISA_LSE                   (aarch64_isa_flags & AARCH64_FL_LSE)
 #define AARCH64_ISA_RDMA          (aarch64_isa_flags & AARCH64_FL_V8_1)
+#define AARCH64_ISA_V8_2          (aarch64_isa_flags & AARCH64_FL_V8_2)
+#define AARCH64_ISA_F16                   (aarch64_isa_flags & AARCH64_FL_F16)
 
 /* Crypto is an optional extension to AdvSIMD.  */
 #define TARGET_CRYPTO (TARGET_SIMD && AARCH64_ISA_CRYPTO)
@@ -165,6 +172,10 @@ extern unsigned aarch64_architecture_version;
 /* Atomic instructions that can be enabled through the +lse extension.  */
 #define TARGET_LSE (AARCH64_ISA_LSE)
 
+/* ARMv8.2-A FP16 support that can be enabled through the +fp16 extension.  */
+#define TARGET_FP_F16INST (TARGET_FLOAT && AARCH64_ISA_F16)
+#define TARGET_SIMD_F16INST (TARGET_SIMD && AARCH64_ISA_F16)
+
 /* Make sure this is always defined so we don't have to check for ifdefs
    but rather use normal ifs.  */
 #ifndef TARGET_FIX_ERR_A53_835769_DEFAULT