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| author | Julian Taylor <jtaylor.debian@googlemail.com> | 2013-10-16 19:56:12 +0200 |
|---|---|---|
| committer | Julian Taylor <jtaylor.debian@googlemail.com> | 2013-10-16 20:03:24 +0200 |
| commit | e31729bb9c7abd08b1815100abab6ca63f71b8bf (patch) | |
| tree | dedf659df74cb8d17e6d5a63ad8dac2443c6f1b6 /numpy/core | |
| parent | 16236e27f93b3a1b3bf6a58750fdaec68b224420 (diff) | |
| download | numpy-e31729bb9c7abd08b1815100abab6ca63f71b8bf.tar.gz | |
MAINT: add NPY_CPU_HAVE_UNALIGNED_ACCESS macro
currently only i386 and amd64, must be used carefully as the compiler
may still be allowed to assume alignment and try to vectorize based on
type size alignment.
Diffstat (limited to 'numpy/core')
| -rw-r--r-- | numpy/core/include/numpy/npy_cpu.h | 4 | ||||
| -rw-r--r-- | numpy/core/src/multiarray/lowlevel_strided_loops.c.src | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/numpy/core/include/numpy/npy_cpu.h b/numpy/core/include/numpy/npy_cpu.h index ab14731b8..6773d3258 100644 --- a/numpy/core/include/numpy/npy_cpu.h +++ b/numpy/core/include/numpy/npy_cpu.h @@ -108,4 +108,8 @@ #endif #endif +#if (defined(NPY_CPU_X86) || defined(NPY_CPU_AMD64)) +#define NPY_CPU_HAVE_UNALIGNED_ACCESS +#endif + #endif diff --git a/numpy/core/src/multiarray/lowlevel_strided_loops.c.src b/numpy/core/src/multiarray/lowlevel_strided_loops.c.src index e9820a5e4..759b36c20 100644 --- a/numpy/core/src/multiarray/lowlevel_strided_loops.c.src +++ b/numpy/core/src/multiarray/lowlevel_strided_loops.c.src @@ -39,7 +39,7 @@ * instructions (16 byte). * So this flag can only be enabled if autovectorization is disabled. */ -#if (defined(NPY_CPU_X86) || defined(NPY_CPU_AMD64)) +#ifdef NPY_CPU_HAVE_UNALIGNED_ACCESS # define NPY_USE_UNALIGNED_ACCESS 0 #else # define NPY_USE_UNALIGNED_ACCESS 0 |