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| author | Janis Johnson <janis@gcc.gnu.org> | 2001-12-04 00:42:00 +0000 |
|---|---|---|
| committer | Janis Johnson <janis@gcc.gnu.org> | 2001-12-04 00:42:00 +0000 |
| commit | 8527852a3bc2599bcb0f2931e31360196e75ecf7 (patch) | |
| tree | d0886d98e327cb6d5aa5f54a00c907c048fb17aa /gcc | |
| parent | 7a9aba6ccfd5937a67da1076801c472bd698aafd (diff) | |
| download | gcc-8527852a3bc2599bcb0f2931e31360196e75ecf7.zip gcc-8527852a3bc2599bcb0f2931e31360196e75ecf7.tar.gz gcc-8527852a3bc2599bcb0f2931e31360196e75ecf7.tar.bz2 | |
ia64.h (SIMULTANEOUS PREFETCHES): Define.
* config/ia64/ia64.h (SIMULTANEOUS PREFETCHES): Define.
(PREFETCH_BLOCK): Define.
* config/ia64/ia64.md (itanium_class): Add lfetch.
(prefetch, prefetch_internal): New.
prefetch_sse.
From-SVN: r47578
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/ia64/ia64.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/ia64/ia64.h b/gcc/config/ia64/ia64.h index 3f0b0c8..af1d52b 100644 --- a/gcc/config/ia64/ia64.h +++ b/gcc/config/ia64/ia64.h @@ -2707,6 +2707,19 @@ do { \ #pragma weak. Note, #pragma weak will only be supported if SUPPORT_WEAK is defined. */ +/* If this architecture supports prefetch, define this to be the number of + prefetch commands that can be executed in parallel. + + ??? This number is bogus and needs to be replaced before the value is + actually used in optimizations. */ + +#define SIMULTANEOUS_PREFETCHES 6 + +/* If this architecture supports prefetch, define this to be the size of + the cache line that is prefetched. */ + +#define PREFETCH_BLOCK 32 + #define HANDLE_SYSV_PRAGMA /* In rare cases, correct code generation requires extra machine dependent |