diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-04-06 18:05:05 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-04-06 18:05:05 +0000 |
| commit | 3fc79ca2c461e43020fbeb484daf2b77f7cfcf14 (patch) | |
| tree | c5f025a9cb7182caa6ea50a3b0a159295b43adb4 /boehm-gc | |
| parent | d17281c994ab8e35cde3896a8f4447d81db2bd7e (diff) | |
| download | gcc-3fc79ca2c461e43020fbeb484daf2b77f7cfcf14.tar.gz | |
2004-04-06 H.J. Lu <hongjiu.lu@intel.com>
* include/private/gcconfig.h (PREFETCH): Use __builtin_prefetch
for gcc >= 3.0.
(PREFETCH_FOR_WRITE): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@80459 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'boehm-gc')
| -rw-r--r-- | boehm-gc/ChangeLog | 6 | ||||
| -rw-r--r-- | boehm-gc/include/private/gcconfig.h | 8 |
2 files changed, 10 insertions, 4 deletions
diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog index a8409143c1e..182fef1cab3 100644 --- a/boehm-gc/ChangeLog +++ b/boehm-gc/ChangeLog @@ -1,3 +1,9 @@ +2004-04-06 H.J. Lu <hongjiu.lu@intel.com> + + * include/private/gcconfig.h (PREFETCH): Use __builtin_prefetch + for gcc >= 3.0. + (PREFETCH_FOR_WRITE): Likewise. + 2004-03-10 Kelley Cook <kcook@gcc.gnu.org> * configure.ac: Bump AC_PREREQ to 2.59. diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h index a13ad2ef835..32b6e482cfe 100644 --- a/boehm-gc/include/private/gcconfig.h +++ b/boehm-gc/include/private/gcconfig.h @@ -1801,10 +1801,10 @@ extern int etext[]; # define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff)) # endif -# define PREFETCH(x) \ - __asm__ __volatile__ (" prefetch %0": : "m"(*(char *)(x))) -# define PREFETCH_FOR_WRITE(x) \ - __asm__ __volatile__ (" prefetchw %0": : "m"(*(char *)(x))) +# if defined(__GNUC__) && __GNUC__ >= 3 +# define PREFETCH(x) __builtin_prefetch ((x), 0, 0) +# define PREFETCH_FOR_WRITE(x) __builtin_prefetch ((x), 1) +# endif # endif # endif |