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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2017-12-20 10:28:13 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2017-12-20 10:28:13 +0000 |
| commit | 0e0cefc62e713f0b419bca0c8a931c9c912e214e (patch) | |
| tree | b9bfbb36f73f50942ce00217e48668dcead97870 /libstdc++-v3/config/cpu | |
| parent | 98f8b67f2202c0f81fdacf661c1fa51f2ecb80fb (diff) | |
| download | gcc-0e0cefc62e713f0b419bca0c8a931c9c912e214e.zip gcc-0e0cefc62e713f0b419bca0c8a931c9c912e214e.tar.gz gcc-0e0cefc62e713f0b419bca0c8a931c9c912e214e.tar.bz2 | |
[aarch64][libstdc++] Use __ARM_BIG_ENDIAN instead of __AARCH64EB__ in opt_random.h
As has been spotted at https://gcc.gnu.org/ml/gcc-patches/2017-12/msg01289.html
we check the __AARCH64EB__ macro for aarch64 big-endian
detection in config/cpu/aarch64/opt/ext/opt_random.h.
That works just fine with GCC but the standardised ACLE[1] macro
for that purpose is __ARM_BIG_ENDIAN so there is a possibility
that non-GCC compilers that include this header are not aware
of this predefine.
So this patch changes the use of __AARCH64EB__ to
the more portable __ARM_BIG_ENDIAN.
Tested on aarch64-none-elf and aarch64_be-none-elf.
Preapproved by Jeff at https://gcc.gnu.org/ml/gcc-patches/2017-12/msg01326.html
* config/cpu/aarch64/opt/ext/opt_random.h (__VEXT): Check
__ARM_BIG_ENDIAN instead of __AARCH64EB__.
From-SVN: r255857
Diffstat (limited to 'libstdc++-v3/config/cpu')
| -rw-r--r-- | libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h b/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h index 330050f..7c82480 100644 --- a/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h +++ b/libstdc++-v3/config/cpu/aarch64/opt/ext/opt_random.h @@ -34,7 +34,7 @@ #ifdef __ARM_NEON -#ifdef __AARCH64EB__ +#ifdef __ARM_BIG_ENDIAN # define __VEXT(_A,_B,_C) __builtin_shuffle (_A, _B, (__Uint8x16_t) \ {16-_C, 17-_C, 18-_C, 19-_C, 20-_C, 21-_C, 22-_C, 23-_C, \ 24-_C, 25-_C, 26-_C, 27-_C, 28-_C, 29-_C, 30-_C, 31-_C}) |