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COBOLworx
gcc-cobol
Commits
7ebaeab5
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7ebaeab5
authored
19 years ago
by
Diego Novillo
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omp-low.c: Update documentation.
* omp-low.c: Update documentation. From-SVN: r110143
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gcc/omp-low.c
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2006-01-23 Diego Novillo <dnovillo@redhat.com>
* omp-low.c: Update documentation.
2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
Daniel Berlin <dberlin@dberlin.org>
Daniel Berlin <dberlin@dberlin.org>
PR tree-opt/25315
PR tree-opt/25857
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@@ -50,14 +50,9 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
re-gimplifing things when variables have been replaced with complex
expressions.
Lowering of a parallel statement results in the contents of the
parallel being moved to a new function, to be invoked by the thread
library. The variable remapping process is complex enough that only
one level of parallel statement is handled at one time. If there are
nested parallel statements, those nested statements are handled when
the new function is lowered and optimized. The result is not 100%
optimal, but lexically nested parallels effectively only happens in
test suites. */
Final code generation is done by pass_expand_omp. The flowgraph is
scanned for parallel regions which are then moved to a new
function, to be invoked by the thread library. */
/* Parallel region information. Every parallel and workshare
directive is enclosed between two markers, the OMP_* directive
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