From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1820) id B9592385E00F; Mon, 14 Mar 2022 10:26:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B9592385E00F Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Hafiz Abid Qadeer To: gcc-cvs@gcc.gnu.org Subject: [gcc/devel/omp/gcc-11] openmp: allow requires unified_shared_memory X-Act-Checkin: gcc X-Git-Author: Andrew Stubbs X-Git-Refname: refs/heads/devel/omp/gcc-11 X-Git-Oldrev: a17e41ca17ae8182986ac4117c93e1423ae8d37a X-Git-Newrev: 8126f3f00f8037b366569301ed354f0e495d8a6a Message-Id: <20220314102647.B9592385E00F@sourceware.org> Date: Mon, 14 Mar 2022 10:26:47 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Mar 2022 10:26:47 -0000 https://gcc.gnu.org/g:8126f3f00f8037b366569301ed354f0e495d8a6a commit 8126f3f00f8037b366569301ed354f0e495d8a6a Author: Andrew Stubbs Date: Thu Mar 10 21:38:54 2022 +0000 openmp: allow requires unified_shared_memory This is the front-end portion of the Unified Shared Memory implementation. It checks that -foffload-memory isn't set to an incompatible mode. Backport of the patch posted at https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591351.html gcc/c/ChangeLog: * c-parser.c (c_parser_omp_requires): Check compatibility of -foffload-memory option with requires directive. gcc/cp/ChangeLog: * parser.c (cp_parser_omp_requires): Check compatibility of -foffload-memory option with requires directive. gcc/fortran/ChangeLog: * openmp.c (gfc_match_omp_requires): Check compatibility of -foffload-memory option with requires directive. gcc/testsuite/ChangeLog: * c-c++-common/gomp/usm-1.c: New test. * gfortran.dg/gomp/usm-1.f90: New test. Diff: --- gcc/c/ChangeLog.omp | 8 ++++++++ gcc/c/c-parser.c | 9 +++++++++ gcc/cp/ChangeLog.omp | 8 ++++++++ gcc/cp/parser.c | 9 +++++++++ gcc/fortran/ChangeLog.omp | 8 ++++++++ gcc/fortran/openmp.c | 7 +++++++ gcc/testsuite/ChangeLog.omp | 8 ++++++++ gcc/testsuite/c-c++-common/gomp/usm-1.c | 4 ++++ gcc/testsuite/gfortran.dg/gomp/usm-1.f90 | 6 ++++++ 9 files changed, 67 insertions(+) diff --git a/gcc/c/ChangeLog.omp b/gcc/c/ChangeLog.omp index 3838d18e571..71098232cb3 100644 --- a/gcc/c/ChangeLog.omp +++ b/gcc/c/ChangeLog.omp @@ -1,3 +1,11 @@ +2022-03-10 Andrew Stubbs + + Backport of the patch posted at + https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591351.html + + * c-parser.c (c_parser_omp_requires): Check compatibility of + -foffload-memory option with requires directive. + 2022-02-27 Tobias Burnus Backported from master: diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c index 1dab35b19ad..12408770193 100644 --- a/gcc/c/c-parser.c +++ b/gcc/c/c-parser.c @@ -22533,7 +22533,16 @@ c_parser_omp_requires (c_parser *parser) if (!strcmp (p, "unified_address")) this_req = OMP_REQUIRES_UNIFIED_ADDRESS; else if (!strcmp (p, "unified_shared_memory")) + { this_req = OMP_REQUIRES_UNIFIED_SHARED_MEMORY; + + if (flag_offload_memory != OFFLOAD_MEMORY_UNIFIED + && flag_offload_memory != OFFLOAD_MEMORY_NONE) + error_at (cloc, + "unified_shared_memory is incompatible with the " + "selected -foffload-memory option"); + flag_offload_memory = OFFLOAD_MEMORY_UNIFIED; + } else if (!strcmp (p, "dynamic_allocators")) this_req = OMP_REQUIRES_DYNAMIC_ALLOCATORS; else if (!strcmp (p, "reverse_offload")) diff --git a/gcc/cp/ChangeLog.omp b/gcc/cp/ChangeLog.omp index 79221b0eece..58ebce0523c 100644 --- a/gcc/cp/ChangeLog.omp +++ b/gcc/cp/ChangeLog.omp @@ -1,3 +1,11 @@ +2022-03-10 Andrew Stubbs + + Backport of the patch posted at + https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591351.html + + * parser.c (cp_parser_omp_requires): Check compatibility of + -foffload-memory option with requires directive. + 2022-02-27 Tobias Burnus Backported from master: diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c index 15aa72ea6ad..fd9f62f4543 100644 --- a/gcc/cp/parser.c +++ b/gcc/cp/parser.c @@ -46408,7 +46408,16 @@ cp_parser_omp_requires (cp_parser *parser, cp_token *pragma_tok) if (!strcmp (p, "unified_address")) this_req = OMP_REQUIRES_UNIFIED_ADDRESS; else if (!strcmp (p, "unified_shared_memory")) + { this_req = OMP_REQUIRES_UNIFIED_SHARED_MEMORY; + + if (flag_offload_memory != OFFLOAD_MEMORY_UNIFIED + && flag_offload_memory != OFFLOAD_MEMORY_NONE) + error_at (cloc, + "unified_shared_memory is incompatible with the " + "selected -foffload-memory option"); + flag_offload_memory = OFFLOAD_MEMORY_UNIFIED; + } else if (!strcmp (p, "dynamic_allocators")) this_req = OMP_REQUIRES_DYNAMIC_ALLOCATORS; else if (!strcmp (p, "reverse_offload")) diff --git a/gcc/fortran/ChangeLog.omp b/gcc/fortran/ChangeLog.omp index f1c025799c3..bbf6c8efabc 100644 --- a/gcc/fortran/ChangeLog.omp +++ b/gcc/fortran/ChangeLog.omp @@ -1,3 +1,11 @@ +2022-03-10 Andrew Stubbs + + Backport of the patch posted at + https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591351.html + + * openmp.c (gfc_match_omp_requires): Check compatibility of + -foffload-memory option with requires directive. + 2022-03-09 Abid Qadeer Backport of a patch posted at diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c index 7be015f5b3f..ac4126bd7ea 100644 --- a/gcc/fortran/openmp.c +++ b/gcc/fortran/openmp.c @@ -30,6 +30,7 @@ along with GCC; see the file COPYING3. If not see #include "gomp-constants.h" #include "options.h" #include "target-memory.h" /* For gfc_encode_character. */ +#include "options.h" /* Match an end of OpenMP directive. End of OpenMP directive is optional whitespace, followed by '\n' or comment '!'. In the special case where a @@ -5552,6 +5553,12 @@ gfc_match_omp_requires (void) requires_clause = OMP_REQ_UNIFIED_SHARED_MEMORY; if (requires_clauses & OMP_REQ_UNIFIED_SHARED_MEMORY) goto duplicate_clause; + + if (flag_offload_memory != OFFLOAD_MEMORY_UNIFIED + && flag_offload_memory != OFFLOAD_MEMORY_NONE) + gfc_error_now ("unified_shared_memory at %C is incompatible with " + "the selected -foffload-memory option"); + flag_offload_memory = OFFLOAD_MEMORY_UNIFIED; } else if (gfc_match (clauses[3]) == MATCH_YES) { diff --git a/gcc/testsuite/ChangeLog.omp b/gcc/testsuite/ChangeLog.omp index 23b5adca0fe..eefd1cb9e43 100644 --- a/gcc/testsuite/ChangeLog.omp +++ b/gcc/testsuite/ChangeLog.omp @@ -1,3 +1,11 @@ +2022-03-10 Andrew Stubbs + + Backport of the patch posted at + https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591351.html + + * c-c++-common/gomp/usm-1.c: New test. + * gfortran.dg/gomp/usm-1.f90: New test. + 2022-03-09 Abid Qadeer Backport of a patch posted at diff --git a/gcc/testsuite/c-c++-common/gomp/usm-1.c b/gcc/testsuite/c-c++-common/gomp/usm-1.c new file mode 100644 index 00000000000..619c21a83f4 --- /dev/null +++ b/gcc/testsuite/c-c++-common/gomp/usm-1.c @@ -0,0 +1,4 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-foffload-memory=pinned" } */ + +#pragma omp requires unified_shared_memory /* { dg-error "unified_shared_memory is incompatible with the selected -foffload-memory option" } */ diff --git a/gcc/testsuite/gfortran.dg/gomp/usm-1.f90 b/gcc/testsuite/gfortran.dg/gomp/usm-1.f90 new file mode 100644 index 00000000000..340f6bb50a5 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/gomp/usm-1.f90 @@ -0,0 +1,6 @@ +! { dg-do compile } +! { dg-additional-options "-foffload-memory=pinned" } + +!$omp requires unified_shared_memory ! { dg-error "unified_shared_memory at .* is incompatible with the selected -foffload-memory option" } + +end