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| author | Richard Guenther <rguenther@suse.de> | 2012-08-17 07:53:05 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-08-17 07:53:05 +0000 |
| commit | c58c0d4c81fb4e313fa10a74e73800fd59efdf92 (patch) | |
| tree | 482906707c34ebf9f724dcc7e4dd4f3e68d170b9 /gcc/params.def | |
| parent | c7e62a2691e3b8c9aef74f7fe25ca00ac72ce6b7 (diff) | |
| download | gcc-c58c0d4c81fb4e313fa10a74e73800fd59efdf92.zip gcc-c58c0d4c81fb4e313fa10a74e73800fd59efdf92.tar.gz gcc-c58c0d4c81fb4e313fa10a74e73800fd59efdf92.tar.bz2 | |
params.def (integer-share-limit): Decrease from 256 to 251, add rationale.
2012-08-17 Richard Guenther <rguenther@suse.de>
* params.def (integer-share-limit): Decrease from 256 to 251,
add rationale.
From-SVN: r190470
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/params.def b/gcc/params.def index efa6860..cd8cb22 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -638,11 +638,12 @@ DEFPARAM(PARAM_MAX_LAST_VALUE_RTL, /* INTEGER_CST nodes are shared for values [{-1,0} .. N) for {signed,unsigned} integral types. This determines N. - Experimentation shows 256 to be a good value. */ + Experimentation shows 251 to be a good value that generates the + least amount of garbage for allocating the TREE_VEC storage. */ DEFPARAM (PARAM_INTEGER_SHARE_LIMIT, "integer-share-limit", "The upper bound for sharing integer constants", - 256, 2, 2) + 251, 2, 2) DEFPARAM (PARAM_SSP_BUFFER_SIZE, "ssp-buffer-size", |