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authorjiwang <jiwang@138bc75d-0d04-0410-961f-82ee72b054a4>2017-01-19 23:51:49 +0000
committerjiwang <jiwang@138bc75d-0d04-0410-961f-82ee72b054a4>2017-01-19 23:51:49 +0000
commit70b02a032fe3cd4c03e9ee1a9646a0be857b7f00 (patch)
treecd7bd710f5fb4476f96f0cafd3ce9062bf6f517a
parenta8022fa7b7a929b924b2c928388bed896b465d27 (diff)
downloadgcc-70b02a032fe3cd4c03e9ee1a9646a0be857b7f00.tar.gz
[AArch64] Add commandline support for -march=armv8.3-a
gcc/ * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a". * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3, AARCH64_ISA_V8_3, TARGET_ARMV8_3): New. * doc/invoke.texi (AArch64 Options): Document "armv8.3-a". git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244663 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/aarch64/aarch64-arches.def1
-rw-r--r--gcc/config/aarch64/aarch64.h8
-rw-r--r--gcc/doc/invoke.texi5
4 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a50adfec17d..a1940791d9c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2017-01-19 Jiong Wang <jiong.wang@arm.com>
+
+ * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
+ * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
+ AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
+ * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
+
2017-01-19 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
diff --git a/gcc/config/aarch64/aarch64-arches.def b/gcc/config/aarch64/aarch64-arches.def
index 329d1b72b33..a92de658490 100644
--- a/gcc/config/aarch64/aarch64-arches.def
+++ b/gcc/config/aarch64/aarch64-arches.def
@@ -33,5 +33,6 @@
AARCH64_ARCH("armv8-a", generic, 8A, 8, AARCH64_FL_FOR_ARCH8)
AARCH64_ARCH("armv8.1-a", generic, 8_1A, 8, AARCH64_FL_FOR_ARCH8_1)
AARCH64_ARCH("armv8.2-a", generic, 8_2A, 8, AARCH64_FL_FOR_ARCH8_2)
+AARCH64_ARCH("armv8.3-a", generic, 8_3A, 8, AARCH64_FL_FOR_ARCH8_3)
#undef AARCH64_ARCH
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index f6c18e84223..e4fb96fd037 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -138,6 +138,8 @@ extern unsigned aarch64_architecture_version;
/* 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. */
+/* ARMv8.3-A architecture extensions. */
+#define AARCH64_FL_V8_3 (1 << 10) /* Has ARMv8.3-A features. */
/* Has FP and SIMD. */
#define AARCH64_FL_FPSIMD (AARCH64_FL_FP | AARCH64_FL_SIMD)
@@ -151,6 +153,8 @@ extern unsigned aarch64_architecture_version;
(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)
+#define AARCH64_FL_FOR_ARCH8_3 \
+ (AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_V8_3)
/* Macros to test ISA flags. */
@@ -162,6 +166,7 @@ extern unsigned aarch64_architecture_version;
#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)
+#define AARCH64_ISA_V8_3 (aarch64_isa_flags & AARCH64_FL_V8_3)
/* Crypto is an optional extension to AdvSIMD. */
#define TARGET_CRYPTO (TARGET_SIMD && AARCH64_ISA_CRYPTO)
@@ -176,6 +181,9 @@ extern unsigned aarch64_architecture_version;
#define TARGET_FP_F16INST (TARGET_FLOAT && AARCH64_ISA_F16)
#define TARGET_SIMD_F16INST (TARGET_SIMD && AARCH64_ISA_F16)
+/* ARMv8.3-A features. */
+#define TARGET_ARMV8_3 (AARCH64_ISA_V8_3)
+
/* 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
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index a13a450b1ee..fab7b7348ec 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -14010,7 +14010,10 @@ more feature modifiers. This option has the form
@option{-march=@var{arch}@r{@{}+@r{[}no@r{]}@var{feature}@r{@}*}}.
The permissible values for @var{arch} are @samp{armv8-a},
-@samp{armv8.1-a}, @samp{armv8.2-a} or @var{native}.
+@samp{armv8.1-a}, @samp{armv8.2-a}, @samp{armv8.3-a} or @var{native}.
+
+The value @samp{armv8.3-a} implies @samp{armv8.2-a} and enables compiler
+support for the ARMv8.3-A architecture extensions.
The value @samp{armv8.2-a} implies @samp{armv8.1-a} and enables compiler
support for the ARMv8.2-A architecture extensions.