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| author | H.J. Lu <hongjiu.lu@intel.com> | 2004-04-06 18:05:05 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2004-04-06 11:05:05 -0700 |
| commit | 652466353b681ca7d7d6e04095a41c638ef794cf (patch) | |
| tree | c5f025a9cb7182caa6ea50a3b0a159295b43adb4 /boehm-gc | |
| parent | bef1d7003fb08e9422ead524d0b749e5b03b7ff8 (diff) | |
| download | gcc-652466353b681ca7d7d6e04095a41c638ef794cf.zip gcc-652466353b681ca7d7d6e04095a41c638ef794cf.tar.gz gcc-652466353b681ca7d7d6e04095a41c638ef794cf.tar.bz2 | |
gcconfig.h (PREFETCH): Use __builtin_prefetch for gcc >= 3.0.
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.
From-SVN: r80459
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 a840914..182fef1 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 a13ad2e..32b6e48 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 |