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| author | Yvan Roux <yvan.roux@linaro.org> | 2017-08-10 15:19:05 +0200 |
|---|---|---|
| committer | Yvan Roux <yvan.roux@linaro.org> | 2017-08-16 08:08:21 +0000 |
| commit | aeb3eebfce7f34983159bbaa6e9dc1ce0bdd96ef (patch) | |
| tree | ef01f3e5c0bf935d9ae306b8410bfa3ed53b0ee0 | |
| parent | 436689e281efbae79c6bb241bfa4a1a726f33b7c (diff) | |
| download | gcc-aeb3eebfce7f34983159bbaa6e9dc1ce0bdd96ef.tar.gz | |
gcc/
Backport from trunk r249414.
2017-06-20 James Greenhalgh <james.greenhalgh@arm.com>
* config/aarch64/aarch64-option-extensions.def (rcpc): New.
* config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
gcc/
Backport from trunk r249923.
2017-07-03 James Greenhalgh <james.greenhalgh@arm.com>
* doc/invoke.texi (rcpc architecture extension): Document it.
Change-Id: Ie75a68d08d0a55deaabd2b8ce314a5b2f123a8ce
| -rw-r--r-- | gcc/config/aarch64/aarch64-option-extensions.def | 3 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.h | 1 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
3 files changed, 8 insertions, 0 deletions
diff --git a/gcc/config/aarch64/aarch64-option-extensions.def b/gcc/config/aarch64/aarch64-option-extensions.def index b54de032ea7..c0752ce3470 100644 --- a/gcc/config/aarch64/aarch64-option-extensions.def +++ b/gcc/config/aarch64/aarch64-option-extensions.def @@ -60,4 +60,7 @@ AARCH64_OPT_EXTENSION("lse", AARCH64_FL_LSE, 0, 0, "atomics") Disabling "fp16" just disables "fp16". */ AARCH64_OPT_EXTENSION("fp16", AARCH64_FL_F16, AARCH64_FL_FP, 0, "fphp asimdhp") +/* Enabling or disabling "rcpc" only changes "rcpc". */ +AARCH64_OPT_EXTENSION("rcpc", AARCH64_FL_RCPC, 0, 0, "lrcpc") + #undef AARCH64_OPT_EXTENSION diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h index e4fb96fd037..3b3f27e2f95 100644 --- a/gcc/config/aarch64/aarch64.h +++ b/gcc/config/aarch64/aarch64.h @@ -140,6 +140,7 @@ extern unsigned aarch64_architecture_version; #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. */ +#define AARCH64_FL_RCPC (1 << 11) /* Has support for RCpc model. */ /* Has FP and SIMD. */ #define AARCH64_FL_FPSIMD (AARCH64_FL_FP | AARCH64_FL_SIMD) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 896bbbcd30f..d196d83acf0 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -14075,6 +14075,10 @@ Enable Large System Extension instructions. This is on by default for @option{-march=armv8.1-a}. @item fp16 Enable FP16 extension. This also enables floating-point instructions. +@item rcpc +Enable the RcPc extension. This does not change code generation from GCC, +but is passed on to the assembler, enabling inline asm statements to use +instructions from the RcPc extension. @end table |