diff options
| 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/params.def | |
| 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/params.def')
| -rw-r--r-- | gcc/params.def | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/params.def b/gcc/params.def index e2817f8..3221676 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -656,12 +656,12 @@ DEFPARAM (PARAM_SIMULTANEOUS_PREFETCHES, "The number of prefetches that can run at the same time", 3, 0, 0) -/* The size of L1 cache in number of cache lines. */ +/* The size of L1 cache in kB. */ DEFPARAM (PARAM_L1_CACHE_SIZE, "l1-cache-size", "The size of L1 cache", - 1024, 0, 0) + 64, 0, 0) /* The size of L1 cache line in bytes. */ @@ -670,6 +670,13 @@ DEFPARAM (PARAM_L1_CACHE_LINE_SIZE, "The size of L1 cache line", 32, 0, 0) +/* The size of L2 cache in kB. */ + +DEFPARAM (PARAM_L2_CACHE_SIZE, + "l2-cache-size", + "The size of L2 cache", + 512, 0, 0) + /* Whether we should use canonical types rather than deep "structural" type checking. Setting this value to 1 (the default) improves compilation performance in the C++ and Objective-C++ front end; |