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| author | Kugan Vivekanandarajah <kuganv@linaro.org> | 2014-05-22 22:05:08 +0000 |
|---|---|---|
| committer | Kugan Vivekanandarajah <kugan@gcc.gnu.org> | 2014-05-22 22:05:08 +0000 |
| commit | aa87aced5ba964ce66bb2b6ea135dae8d5879e58 (patch) | |
| tree | 714cd635ad43f0f53f7e21b400682b1cf9429a5f /gcc/doc | |
| parent | 410e3e10dd4bd96ac933aa8294ee91fd91a5dd6e (diff) | |
| download | gcc-aa87aced5ba964ce66bb2b6ea135dae8d5879e58.zip gcc-aa87aced5ba964ce66bb2b6ea135dae8d5879e58.tar.gz gcc-aa87aced5ba964ce66bb2b6ea135dae8d5879e58.tar.bz2 | |
aarch64.c (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): New define.
2014-05-23 Kugan Vivekanandarajah <kuganv@linaro.org>
* config/aarch64/aarch64.c (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): New
define.
* config/aarch64/aarch64-protos.h (aarch64_atomic_assign_expand_fenv):
New function declaration.
* config/aarch64/aarch64-builtins.c (aarch64_builtins) : Add
AARCH64_BUILTIN_GET_FPCR, AARCH64_BUILTIN_SET_FPCR.
AARCH64_BUILTIN_GET_FPSR and AARCH64_BUILTIN_SET_FPSR.
(aarch64_init_builtins) : Initialize builtins
__builtins_aarch64_set_fpcr, __builtins_aarch64_get_fpcr.
__builtins_aarch64_set_fpsr and __builtins_aarch64_get_fpsr.
(aarch64_expand_builtin) : Expand builtins __builtins_aarch64_set_fpcr
__builtins_aarch64_get_fpcr, __builtins_aarch64_get_fpsr,
and __builtins_aarch64_set_fpsr.
(aarch64_atomic_assign_expand_fenv): New function.
* config/aarch64/aarch64.md (set_fpcr): New pattern.
(get_fpcr) : Likewise.
(set_fpsr) : Likewise.
(get_fpsr) : Likewise.
(unspecv): Add UNSPECV_GET_FPCR and UNSPECV_SET_FPCR, UNSPECV_GET_FPSR
and UNSPECV_SET_FPSR.
* doc/extend.texi (AARCH64 Built-in Functions) : Document
__builtins_aarch64_set_fpcr, __builtins_aarch64_get_fpcr.
__builtins_aarch64_set_fpsr and __builtins_aarch64_get_fpsr.
From-SVN: r210828
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/extend.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index f36efb0..28eb8ae 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -9661,6 +9661,7 @@ to those machines. Generally these generate calls to specific machine instructions, but allow the compiler to schedule those calls. @menu +* AArch64 Built-in Functions:: * Alpha Built-in Functions:: * Altera Nios II Built-in Functions:: * ARC Built-in Functions:: @@ -9693,6 +9694,18 @@ instructions, but allow the compiler to schedule those calls. * TILEPro Built-in Functions:: @end menu +@node AArch64 Built-in Functions +@subsection AArch64 Built-in Functions + +These built-in functions are available for the AArch64 family of +processors. +@smallexample +unsigned int __builtin_aarch64_get_fpcr () +void __builtin_aarch64_set_fpcr (unsigned int) +unsigned int __builtin_aarch64_get_fpsr () +void __builtin_aarch64_set_fpsr (unsigned int) +@end smallexample + @node Alpha Built-in Functions @subsection Alpha Built-in Functions |