r237956 - in /trunk/gcc: ChangeLog config/aarch...

[jiwang@gcc.gnu.org]

Author: jiwang
Date: Mon Jul  4 08:17:57 2016
New Revision: 237956

URL: https://gcc.gnu.org/viewcvs?rev=237956&root=gcc&view=rev
Log:
[AArch64] ARMv8.2 command line and feature macros support

	* config/aarch64/aarch64-arches.def: Add "armv8.2-a".
	* config/aarch64/aarch64.h (AARCH64_FL_V8_2): New.
	(AARCH64_FL_F16): New.
	(AARCH64_FL_FOR_ARCH8_2): New.
	(AARCH64_ISA_8_2): New.
	(AARCH64_ISA_F16): New.
	(TARGET_FP_F16INST): New.
	(TARGET_SIMD_F16INST): New.
	* config/aarch64/aarch64-option-extensions.def ("fp16"): New entry.
	("fp"): Disabling "fp" also disables "fp16".
	* config/aarch64/aarch64-c.c (arch64_update_cpp_builtins): Conditionally define
	__ARM_FEATURE_FP16_SCALAR_ARITHMETIC and __ARM_FEATURE_FP16_VECTOR_ARITHMETIC.
	* doc/invoke.texi (AArch64 Options): Document "armv8.2-a" and "fp16".


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-arches.def
    trunk/gcc/config/aarch64/aarch64-c.c
    trunk/gcc/config/aarch64/aarch64-option-extensions.def
    trunk/gcc/config/aarch64/aarch64.h
    trunk/gcc/doc/invoke.texi