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| author | Zdenek Dvorak <ook@ucw.cz> | 2007-08-01 12:57:03 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-08-01 10:57:03 +0000 |
| commit | 46cb04410da4ba4fa10070a0eec7a037ff6152a7 (patch) | |
| tree | 369e177f440720774bed96e048c8818f953265a1 /gcc/tree-ssa-loop-prefetch.c | |
| parent | 0ea339ea4d9c3e04ae17da6bf389617eb0251e57 (diff) | |
| download | gcc-46cb04410da4ba4fa10070a0eec7a037ff6152a7.zip gcc-46cb04410da4ba4fa10070a0eec7a037ff6152a7.tar.gz gcc-46cb04410da4ba4fa10070a0eec7a037ff6152a7.tar.bz2 | |
invoke.texi (l1-cache-size): Update documentation.
* doc/invoke.texi (l1-cache-size): Update documentation.
(l2-cache-size): Document.
* params.h (L2_CACHE_SIZE): New macro.
* tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
that L1_CACHE_SIZE is in kB now.
(L2_CACHE_SIZE_BYTES): New macro.
(tree_ssa_prefetch_arrays): Show size in kB.
* config/i386/i386.h (struct processor_costs): Add l1_cache_size
and l2_cache_size fields.
* config/i386/driver-i386.c (describe_cache): Detect cache size
in kB.
* config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
(override_options): Set l1-cache-size and l2-cache-size to default
values if not specified otherwise.
* params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
(PARAM_L2_CACHE_SIZE): New.
From-SVN: r127117
Diffstat (limited to 'gcc/tree-ssa-loop-prefetch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-prefetch.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c index 0fada55..28cd322 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -166,9 +166,8 @@ along with GCC; see the file COPYING3. If not see #define HAVE_prefetch 0 #endif -#define L1_CACHE_SIZE_BYTES ((unsigned) (L1_CACHE_SIZE * L1_CACHE_LINE_SIZE)) -/* TODO: Add parameter to specify L2 cache size. */ -#define L2_CACHE_SIZE_BYTES (8 * L1_CACHE_SIZE_BYTES) +#define L1_CACHE_SIZE_BYTES ((unsigned) (L1_CACHE_SIZE * 1024)) +#define L2_CACHE_SIZE_BYTES ((unsigned) (L2_CACHE_SIZE * 1024)) /* We consider a memory access nontemporal if it is not reused sooner than after L2_CACHE_SIZE_BYTES of memory are accessed. However, we ignore @@ -1549,10 +1548,10 @@ tree_ssa_prefetch_arrays (void) SIMULTANEOUS_PREFETCHES); fprintf (dump_file, " prefetch latency: %d\n", PREFETCH_LATENCY); fprintf (dump_file, " prefetch block size: %d\n", PREFETCH_BLOCK); - fprintf (dump_file, " L1 cache size: %d lines, %d bytes\n", - L1_CACHE_SIZE, L1_CACHE_SIZE_BYTES); + fprintf (dump_file, " L1 cache size: %d lines, %d kB\n", + L1_CACHE_SIZE_BYTES / L1_CACHE_LINE_SIZE, L1_CACHE_SIZE); fprintf (dump_file, " L1 cache line size: %d\n", L1_CACHE_LINE_SIZE); - fprintf (dump_file, " L2 cache size: %d bytes\n", L2_CACHE_SIZE_BYTES); + fprintf (dump_file, " L2 cache size: %d kB\n", L2_CACHE_SIZE); fprintf (dump_file, "\n"); } |