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| author |  Junio C Hamano <gitster@pobox.com> | 2014-07-02 12:53:07 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2014-07-02 12:53:07 -0700 |
| commit | 6f92e5ff3cdc813de8ef5327fd4bad492fb7d6c9 (patch) | |
| tree | b234a0801feb54824d81d3f35b8a1620bba0ae75 /git-compat-util.h | |
| parent | Merge branch 'ye/http-extract-charset' (diff) | |
| parent | refs.c: SSE2 optimizations for check_refname_component (diff) | |
| download | tgif-6f92e5ff3cdc813de8ef5327fd4bad492fb7d6c9.tar.xz | |
Merge branch 'dt/refs-check-refname-component-sse'
Further micro-optimization of a leaf-function.
* dt/refs-check-refname-component-sse:
refs.c: SSE2 optimizations for check_refname_component
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index b6f03b36dc..96f55547a3 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -685,6 +685,17 @@ void git_qsort(void *base, size_t nmemb, size_t size, #endif #endif +#if defined(__GNUC__) && defined(__x86_64__) +#include <emmintrin.h> +/* + * This is the system memory page size; it's used so that we can read + * outside the bounds of an allocation without segfaulting. + */ +#ifndef PAGE_SIZE +#define PAGE_SIZE 4096 +#endif +#endif + #ifdef UNRELIABLE_FSTAT #define fstat_is_reliable() 0 #else |