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[AArch64, 1/6] Enable ARMv8.5-A in gcc 

This patch is part of a series that enables ARMv8.5-A in GCC and
adds Branch Target Identification Mechanism.

*** gcc/ChangeLog ***

2018-01-09  Sudakshina Das  <sudi.das@arm.com>

	* config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
	ARMv8.5-A.
	* gcc/config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
	(AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
	* gcc/doc/invoke.texi: Document ARMv8.5-A.

From-SVN: r267765
This commit is contained in:
Sudakshina Das 2019-01-09 14:05:55 +00:00 committed by Sudakshina Das
parent 6c9c7b735c
commit 59beeb623e
4 changed files with 20 additions and 2 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2018-01-09 Sudakshina Das <sudi.das@arm.com>
* config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
ARMv8.5-A.
* gcc/config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
(AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
* gcc/doc/invoke.texi: Document ARMv8.5-A.
2019-01-09 Alejandro Martinez <alejandro.martinezvicente@arm.com> 2019-01-09 Alejandro Martinez <alejandro.martinezvicente@arm.com>
* config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand. * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.

1
gcc/config/aarch64/aarch64-arches.def
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@ -35,5 +35,6 @@ 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("armv8.2-a", generic, 8_2A, 8, AARCH64_FL_FOR_ARCH8_2)
AARCH64_ARCH("armv8.3-a", generic, 8_3A, 8, AARCH64_FL_FOR_ARCH8_3) AARCH64_ARCH("armv8.3-a", generic, 8_3A, 8, AARCH64_FL_FOR_ARCH8_3)
AARCH64_ARCH("armv8.4-a", generic, 8_4A, 8, AARCH64_FL_FOR_ARCH8_4) AARCH64_ARCH("armv8.4-a", generic, 8_4A, 8, AARCH64_FL_FOR_ARCH8_4)
AARCH64_ARCH("armv8.5-a", generic, 8_5A, 8, AARCH64_FL_FOR_ARCH8_5)
#undef AARCH64_ARCH #undef AARCH64_ARCH

6
gcc/config/aarch64/aarch64.h
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@ -177,6 +177,9 @@ extern unsigned aarch64_architecture_version;
/* Statistical Profiling extensions. */ /* Statistical Profiling extensions. */
#define AARCH64_FL_PROFILE (1 << 21) #define AARCH64_FL_PROFILE (1 << 21)
/* ARMv8.5-A architecture extensions. */
#define AARCH64_FL_V8_5 (1 << 22) /* Has ARMv8.5-A features. */
/* Has FP and SIMD. */ /* Has FP and SIMD. */
#define AARCH64_FL_FPSIMD (AARCH64_FL_FP | AARCH64_FL_SIMD) #define AARCH64_FL_FPSIMD (AARCH64_FL_FP | AARCH64_FL_SIMD)
@ -195,6 +198,8 @@ extern unsigned aarch64_architecture_version;
#define AARCH64_FL_FOR_ARCH8_4 \ #define AARCH64_FL_FOR_ARCH8_4 \
(AARCH64_FL_FOR_ARCH8_3 | AARCH64_FL_V8_4 | AARCH64_FL_F16FML \ (AARCH64_FL_FOR_ARCH8_3 | AARCH64_FL_V8_4 | AARCH64_FL_F16FML \
| AARCH64_FL_DOTPROD | AARCH64_FL_RCPC8_4) | AARCH64_FL_DOTPROD | AARCH64_FL_RCPC8_4)
#define AARCH64_FL_FOR_ARCH8_5 \
(AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_V8_5)
/* Macros to test ISA flags. */ /* Macros to test ISA flags. */
@ -216,6 +221,7 @@ extern unsigned aarch64_architecture_version;
#define AARCH64_ISA_SHA3 (aarch64_isa_flags & AARCH64_FL_SHA3) #define AARCH64_ISA_SHA3 (aarch64_isa_flags & AARCH64_FL_SHA3)
#define AARCH64_ISA_F16FML (aarch64_isa_flags & AARCH64_FL_F16FML) #define AARCH64_ISA_F16FML (aarch64_isa_flags & AARCH64_FL_F16FML)
#define AARCH64_ISA_RCPC8_4 (aarch64_isa_flags & AARCH64_FL_RCPC8_4) #define AARCH64_ISA_RCPC8_4 (aarch64_isa_flags & AARCH64_FL_RCPC8_4)
#define AARCH64_ISA_V8_5 (aarch64_isa_flags & AARCH64_FL_V8_5)
/* Crypto is an optional extension to AdvSIMD. */ /* Crypto is an optional extension to AdvSIMD. */
#define TARGET_CRYPTO (TARGET_SIMD && AARCH64_ISA_CRYPTO) #define TARGET_CRYPTO (TARGET_SIMD && AARCH64_ISA_CRYPTO)

7
gcc/doc/invoke.texi
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@ -15628,8 +15628,11 @@ more feature modifiers. This option has the form
@option{-march=@var{arch}@r{@{}+@r{[}no@r{]}@var{feature}@r{@}*}}. @option{-march=@var{arch}@r{@{}+@r{[}no@r{]}@var{feature}@r{@}*}}.
The permissible values for @var{arch} are @samp{armv8-a}, The permissible values for @var{arch} are @samp{armv8-a},
@samp{armv8.1-a}, @samp{armv8.2-a}, @samp{armv8.3-a} or @samp{armv8.4-a} @samp{armv8.1-a}, @samp{armv8.2-a}, @samp{armv8.3-a}, @samp{armv8.4-a},
or @var{native}. @samp{armv8.5-a} or @var{native}.
The value @samp{armv8.5-a} implies @samp{armv8.4-a} and enables compiler
support for the ARMv8.5-A architecture extensions.
The value @samp{armv8.4-a} implies @samp{armv8.3-a} and enables compiler The value @samp{armv8.4-a} implies @samp{armv8.3-a} and enables compiler
support for the ARMv8.4-A architecture extensions. support for the ARMv8.4-A architecture extensions.