{"id":2224509,"url":"http://patchwork.ozlabs.org/api/patches/2224509/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20260417134916.339567-1-tschwinge@baylibre.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260417134916.339567-1-tschwinge@baylibre.com>","list_archive_url":null,"date":"2026-04-17T13:49:16","name":"[PUSHED] openmp: ensure variables in offload table are streamed out (PRs 94848 + 95551): OpenACC test case","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"6f51eed7af1524319b612f9e5eb5cd952f52ae8c","submitter":{"id":87905,"url":"http://patchwork.ozlabs.org/api/people/87905/?format=json","name":"Thomas Schwinge","email":"tschwinge@baylibre.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20260417134916.339567-1-tschwinge@baylibre.com/mbox/","series":[{"id":500343,"url":"http://patchwork.ozlabs.org/api/series/500343/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=500343","date":"2026-04-17T13:49:16","name":"[PUSHED] openmp: ensure variables in offload table are streamed out (PRs 94848 + 95551): OpenACC test case","version":1,"mbox":"http://patchwork.ozlabs.org/series/500343/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224509/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224509/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n header.i=@baylibre-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=BWxr5geO;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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Via reverting the applicable compiler-side\ncode changes, I've re-confirmed that the original problem also applied to\nOpenACC.\n\nFor good measure, also fix up the OpenACC: the array assignment/constructor\nbefore the loop and 'if'/'any' check after the loop execute in gang-redundant\nmode, which -- in presence of multiple gangs executing, as implied by the\nOpenACC 'loop' construct with 'gang' clause -- is dubious, even if probably\nbenign in this specific case here, I suppose. Use OpenACC 'kernels' instead.\n\n\tPR middle-end/95551\n\tlibgomp/\n\t* testsuite/libgomp.fortran/target-var.f90: Rename to...\n\t* testsuite/libgomp.fortran/pr95551-1.f90: ... this, and fix up the\n\tOpenACC.\n\t* testsuite/libgomp.oacc-fortran/pr95551-1.f90: New.\n---\n .../libgomp.fortran/{target-var.f90 => pr95551-1.f90} | 6 ++++--\n libgomp/testsuite/libgomp.oacc-fortran/pr95551-1.f90 | 4 ++++\n 2 files changed, 8 insertions(+), 2 deletions(-)\n rename libgomp/testsuite/libgomp.fortran/{target-var.f90 => pr95551-1.f90} (86%)\n create mode 100644 libgomp/testsuite/libgomp.oacc-fortran/pr95551-1.f90","diff":"diff --git a/libgomp/testsuite/libgomp.fortran/target-var.f90 b/libgomp/testsuite/libgomp.fortran/pr95551-1.f90\nsimilarity index 86%\nrename from libgomp/testsuite/libgomp.fortran/target-var.f90\nrename to libgomp/testsuite/libgomp.fortran/pr95551-1.f90\nindex 5e5ccd47c961..5f35d4f06f53 100644\n--- a/libgomp/testsuite/libgomp.fortran/target-var.f90\n+++ b/libgomp/testsuite/libgomp.fortran/pr95551-1.f90\n@@ -1,5 +1,7 @@\n ! { dg-additional-options \"-O3\" }\n !\n+! See also '../libgomp.oacc-fortran/pr95551-1.f90'.\n+!\n ! With -O3 the static local variable A.10 generated for\n ! the array constructor [-2, -4, ..., -20] is optimized\n ! away - which has to be handled in the offload_vars table.\n@@ -18,7 +20,7 @@ contains\n integer :: array(:)\n \n !$omp target map(from:array)\n- !$acc parallel copyout(array)\n+ !$acc kernels copyout(array)\n array = [(-2*i, i = 1, size(array))]\n !$omp do private(array)\n !$acc loop gang private(array)\n@@ -27,6 +29,6 @@ contains\n end do\n if (any (array /= [(-2*i, i = 1, 10)])) error stop 2\n !$omp end target\n- !$acc end parallel\n+ !$acc end kernels\n end subroutine bar\n end\ndiff --git a/libgomp/testsuite/libgomp.oacc-fortran/pr95551-1.f90 b/libgomp/testsuite/libgomp.oacc-fortran/pr95551-1.f90\nnew file mode 100644\nindex 000000000000..1e1097c765c9\n--- /dev/null\n+++ b/libgomp/testsuite/libgomp.oacc-fortran/pr95551-1.f90\n@@ -0,0 +1,4 @@\n+! { dg-additional-options -O3 }\n+! { dg-additional-options --param=openacc-kernels=decompose }\n+\n+include '../libgomp.fortran/pr95551-1.f90'\n","prefixes":["PUSHED"]}