From: aldyh Date: Tue, 7 Mar 2006 19:20:32 +0000 (+0000) Subject: PR gomp/26238 X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=2a4b6f844be460d1e7c4c17a2cb06058fdd41294 PR gomp/26238 * doc/passes.texi (Tree-SSA passes): Document omp lowering and expansion. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111818 138bc75d-0d04-0410-961f-82ee72b054a4 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ae089d4db1b..61d6f59db4a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-03-07 Aldy Hernandez + + PR gomp/26238 + * doc/passes.texi (Tree-SSA passes): Document omp lowering and + expansion. + 2006-03-07 Richard Guenther PR tree-optimization/26587 diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi index bb6a3f0056d..b4e156bbb30 100644 --- a/gcc/doc/passes.texi +++ b/gcc/doc/passes.texi @@ -202,6 +202,25 @@ declarations of static variables whose lifetimes extend to the entire program. The pass is located in @file{tree-mudflap.c} and is described by @code{pass_mudflap_1}. +@item OpenMP lowerering + +If OpenMP generation (@option{-fopenmp}) is enabled, this pass lowers +OpenMP constructs into GIMPLE. + +Lowering of OpenMP constructs involves creating replacement +expressions for local variables that have been mapped using data +sharing clauses, exposing the control flow of most synchronization +directives and adding region markers to facilitate the creation of the +control flow graph. The pass is located in @file{omp-low.c} and is +described by @code{pass_lower_omp}. + +@item OpenMP expansion + +If OpenMP generation (@option{-fopenmp}) is enabled, this pass expands +parallel regions into their own functions to be invoked by the thread +library. The pass is located in @file{omp-low.c} and is described by +@code{pass_expand_omp}. + @item Lower control flow This pass flattens @code{if} statements (@code{COND_EXPR}) and