From 5922847b1c0a2d90468a1cc75b25b190a6035d97 Mon Sep 17 00:00:00 2001 From: Yufeng Zhang Date: Thu, 5 Sep 2013 11:30:14 +0000 Subject: [PATCH] [AArch64] Support the 'crc' extension in -march and -mcpu options. gcc/ * config/aarch64/aarch64-option-extensions.def: Add AARCH64_OPT_EXTENSION of 'crc'. * config/aarch64/aarch64.h (AARCH64_FL_CRC): New define. (AARCH64_ISA_CRC): Ditto. * doc/invoke.texi (-march and -mcpu feature modifiers): Add description of the CRC extension. From-SVN: r202275 --- gcc/ChangeLog | 9 +++++++++ gcc/config/aarch64/aarch64-option-extensions.def | 1 + gcc/config/aarch64/aarch64.h | 2 ++ gcc/doc/invoke.texi | 2 ++ 4 files changed, 14 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8a5743b7871..e8a076405f0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2013-09-05 Yufeng Zhang + + * config/aarch64/aarch64-option-extensions.def: Add + AARCH64_OPT_EXTENSION of 'crc'. + * config/aarch64/aarch64.h (AARCH64_FL_CRC): New define. + (AARCH64_ISA_CRC): Ditto. + * doc/invoke.texi (-march and -mcpu feature modifiers): Add + description of the CRC extension. + 2013-09-05 Alexander Ivchenko * config/rs6000/linux64.h: Define OPTION_BIONIC and OPTION_UCLIBC. diff --git a/gcc/config/aarch64/aarch64-option-extensions.def b/gcc/config/aarch64/aarch64-option-extensions.def index 58e815471a6..371e74c7f94 100644 --- a/gcc/config/aarch64/aarch64-option-extensions.def +++ b/gcc/config/aarch64/aarch64-option-extensions.def @@ -35,3 +35,4 @@ AARCH64_OPT_EXTENSION("fp", AARCH64_FL_FP, AARCH64_FL_FPSIMD | AARCH64_FL_CRYPTO) AARCH64_OPT_EXTENSION("simd", AARCH64_FL_FPSIMD, AARCH64_FL_SIMD | AARCH64_FL_CRYPTO) AARCH64_OPT_EXTENSION("crypto", AARCH64_FL_CRYPTO | AARCH64_FL_FPSIMD, AARCH64_FL_CRYPTO) +AARCH64_OPT_EXTENSION("crc", AARCH64_FL_CRC, AARCH64_FL_CRC) diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h index 092426973c6..d8012f88049 100644 --- a/gcc/config/aarch64/aarch64.h +++ b/gcc/config/aarch64/aarch64.h @@ -158,6 +158,7 @@ #define AARCH64_FL_FP (1 << 1) /* Has FP. */ #define AARCH64_FL_CRYPTO (1 << 2) /* Has crypto. */ #define AARCH64_FL_SLOWMUL (1 << 3) /* A slow multiply core. */ +#define AARCH64_FL_CRC (1 << 4) /* Has CRC. */ /* Has FP and SIMD. */ #define AARCH64_FL_FPSIMD (AARCH64_FL_FP | AARCH64_FL_SIMD) @@ -170,6 +171,7 @@ /* Macros to test ISA flags. */ extern unsigned long aarch64_isa_flags; +#define AARCH64_ISA_CRC (aarch64_isa_flags & AARCH64_FL_CRC) #define AARCH64_ISA_CRYPTO (aarch64_isa_flags & AARCH64_FL_CRYPTO) #define AARCH64_ISA_FP (aarch64_isa_flags & AARCH64_FL_FP) #define AARCH64_ISA_SIMD (aarch64_isa_flags & AARCH64_FL_SIMD) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 9dfb4d79019..4995a5d664e 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -11173,6 +11173,8 @@ Feature modifiers used with @option{-march} and @option{-mcpu} can be one the following: @table @samp +@item crc +Enable CRC extension. @item crypto Enable Crypto extension. This implies Advanced SIMD is enabled. @item fp