diff options
| author | eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2013-07-07 14:29:13 +0000 |
|---|---|---|
| committer | eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2013-07-07 14:29:13 +0000 |
| commit | 7667d814899d8e67cb8e45d5d04adf22e388e4d8 (patch) | |
| tree | 72e101af59f3b6842be4554458b524a805d2f94f /lib/make/configure.in | |
| parent | 51cef93356584dc23771ef43ccb827a1abcf8159 (diff) | |
Add CCTK_BUILTIN_ASSUME_ALIGNED
This checks whether the GCC extension __builtin_assume_aligned is
available, which can generate more efficient code when accessing data
via pointers.
git-svn-id: http://svn.cactuscode.org/flesh/trunk@5033 17b73243-c579-4c4c-a9d2-2d5706c11dac
Diffstat (limited to 'lib/make/configure.in')
| -rw-r--r-- | lib/make/configure.in | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/make/configure.in b/lib/make/configure.in index 8206f044..1c3914c4 100644 --- a/lib/make/configure.in +++ b/lib/make/configure.in @@ -928,6 +928,10 @@ CCTK_CXX_BUILTIN_EXPECT CCTK_C_BUILTIN_UNREACHABLE CCTK_CXX_BUILTIN_UNREACHABLE +# Find out whether the compiler supports __builtin_assume_aligned +CCTK_C_BUILTIN_ASSUME_ALIGNED +CCTK_CXX_BUILTIN_ASSUME_ALIGNED + # Find out whether the compiler supports static_assert CCTK_CXX_STATIC_ASSERT |