From: Richard Guenther Date: Fri, 17 Aug 2012 07:53:05 +0000 (+0000) Subject: params.def (integer-share-limit): Decrease from 256 to 251, add rationale. X-Git-Tag: misc/gccgo-go1_1_2~1330 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c58c0d4c81fb4e313fa10a74e73800fd59efdf92;p=thirdparty%2Fgcc.git params.def (integer-share-limit): Decrease from 256 to 251, add rationale. 2012-08-17 Richard Guenther * params.def (integer-share-limit): Decrease from 256 to 251, add rationale. From-SVN: r190470 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a90ec55ba42d..effbb41a9450 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-08-17 Richard Guenther + + * params.def (integer-share-limit): Decrease from 256 to 251, + add rationale. + 2012-08-17 Richard Guenther * tree-sra.c (modify_function): Free redirect_callers vector. diff --git a/gcc/params.def b/gcc/params.def index efa686061e76..cd8cb22998f3 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",