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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/passes.texi | 19 |
2 files changed, 25 insertions, 0 deletions
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 <aldyh@redhat.com> + + PR gomp/26238 + * doc/passes.texi (Tree-SSA passes): Document omp lowering and + expansion. + 2006-03-07 Richard Guenther <rguenther@suse.de> 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 |
