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| author | Chung-Lin Tang <cltang@codesourcery.com> | 2016-08-17 12:08:30 +0000 |
|---|---|---|
| committer | Chung-Lin Tang <cltang@gcc.gnu.org> | 2016-08-17 12:08:30 +0000 |
| commit | 11c4c4ba47fce0a6be2125e2bd7ee3d16bc8d8af (patch) | |
| tree | 22f67221131bc8c5e54b3185038cc612ef12ab7f /gcc/omp-low.c | |
| parent | 661d6efd62869911344c2d8bd57dd3ca8f4af1dc (diff) | |
| download | gcc-11c4c4ba47fce0a6be2125e2bd7ee3d16bc8d8af.zip gcc-11c4c4ba47fce0a6be2125e2bd7ee3d16bc8d8af.tar.gz gcc-11c4c4ba47fce0a6be2125e2bd7ee3d16bc8d8af.tar.bz2 | |
omp-low.c (lower_oacc_reductions): Adjust variable lookup to use maybe_lookup_decl...
2016-08-17 Chung-Lin Tang <cltang@codesourcery.com>
* omp-low.c (lower_oacc_reductions): Adjust variable lookup to use
maybe_lookup_decl, to handle nested acc loop directives.
testsuite/
* c-c++-common/goacc/reduction-6.c: New testcase.
From-SVN: r239530
Diffstat (limited to 'gcc/omp-low.c')
| -rw-r--r-- | gcc/omp-low.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/omp-low.c b/gcc/omp-low.c index 678c36e..3f7debf 100644 --- a/gcc/omp-low.c +++ b/gcc/omp-low.c @@ -5660,10 +5660,19 @@ lower_oacc_reductions (location_t loc, tree clauses, tree level, bool inner, outgoing = var; incoming = omp_reduction_init_op (loc, rcode, type); } - else if (ctx->outer) - incoming = outgoing = lookup_decl (orig, ctx->outer); else - incoming = outgoing = orig; + { + /* Try to look at enclosing contexts for reduction var, + use original if no mapping found. */ + tree t = NULL_TREE; + omp_context *c = ctx->outer; + while (c && !t) + { + t = maybe_lookup_decl (orig, c); + c = c->outer; + } + incoming = outgoing = (t ? t : orig); + } has_outer_reduction:; } |