[PUSHED] libgomp: Add testcases for the standard C++ math library on offload targets

From: Kwok Cheung Yeung libgomp/ * testsuite/libgomp.c++/target-std__cmath.C: New. * testsuite/libgomp.c++/target-std__complex.C: Likewise. * testsuite/libgomp.c++/target-std__numbers.C: Likewise. --- .../testsuite/libgomp.c++/target-std__cmath.C | 340 ++

[PUSHED] Add 'libgomp.c++/target-valarray-1.C'

libgomp/ * testsuite/libgomp.c++/target-std__valarray-1.C: New. * testsuite/libgomp.c++/target-std__valarray-1.output: Likewise. --- .../libgomp.c++/target-std__valarray-1.C | 179 ++ .../libgomp.c++/target-std__valarray-1.output | 22 +++ 2 files chan

[PUSHED] libgomp: Add testcases for concurrent access to standard C++ containers on offload targets

-concurrent.C: Likewise. * testsuite/libgomp.c++/target-std__vector-concurrent.C: Likewise. Co-authored-by: Thomas Schwinge --- .../target-std__array-concurrent.C| 60 ++ .../target-std__bitset-concurrent.C | 67 +++ .../target-std__deque

[PUSHED] libgomp: Add testcases for concurrent access to standard C++ containers on offload targets, a number of USM variants

libgomp/ * testsuite/libgomp.c++/target-std__array-concurrent-usm.C: New. * testsuite/libgomp.c++/target-std__array-concurrent.C: Adjust. * testsuite/libgomp.c++/target-std__bitset-concurrent-usm.C: New. * testsuite/libgomp.c++/target-std__bitset-concurrent.C

[PUSHED] Add 'libgomp.c++/target-flex-[...].C' test cases

. * testsuite/libgomp.c++/target-flex-80.C: New test. * testsuite/libgomp.c++/target-flex-81.C: New test. * testsuite/libgomp.c++/target-flex-90.C: New test. * testsuite/libgomp.c++/target-flex-common.h: New test. Co-authored-by: Thomas Schwinge --- .../testsuite/libgomp.c

[PUSHED] Defuse 'RESULT_DECL' check in 'pass_nrv' (for offloading compilation) [PR119835]

... to avoid running into ICEs per PR119835, until that's resolved properly. PR middle-end/119835 gcc/ * tree-nrv.cc (pass_nrv::execute): Defuse 'RESULT_DECL' check. libgomp/ * testsuite/libgomp.oacc-c-c++-common/abi-struct-1.c: '#pragma GCC optimize

Defuse 'RESULT_DECL' check in 'pass_nrv' for offloading compilation [PR119835] (was: Disable 'pass_nrv' for offloading compilation [PR119835])

Hi! On 2025-05-28T09:18:29+0200, Richard Biener wrote: > On Tue, 27 May 2025, Thomas Schwinge wrote: >> "'GIMPLE_RETURN' vs. 'RESULT_DECL' if 'aggregate_value_p'" isn't actually >> a GIMPLE semantics invariant, thanks. I conclude tha

Disable 'pass_nrv' for offloading compilation [PR119835] (was: [PATCH] Verify 'GIMPLE_RETURN' vs. 'RESULT_DECL' if 'aggregate_value_p' [PR119835])

Hi! On 2025-05-23T17:01:31+0200, Richard Biener wrote: > Am 23.05.2025 um 16:49 schrieb Thomas Schwinge : >> This fell out of me looking into PR119835. This doesn't resolve the >> underlying >> issue, but instead of failing GIMPLE semantics verification just by cha

[PATCH] Verify 'GIMPLE_RETURN' vs. 'RESULT_DECL' if 'aggregate_value_p' [PR119835]

This fell out of me looking into PR119835. This doesn't resolve the underlying issue, but instead of failing GIMPLE semantics verification just by chance in the 'GIMPLE pass: nrv' context, it makes the issue observable generally. (... thereby regressing a small number of offloading test cases wher

[PUSHED] 'TYPE_EMPTY_P' vs. code offloading [PR120308]

We've got 'gcc/stor-layout.cc:finalize_type_size': /* Handle empty records as per the x86-64 psABI. */ TYPE_EMPTY_P (type) = targetm.calls.empty_record_p (type); (Indeed x86_64 is still the only target to define 'TARGET_EMPTY_RECORD_P', calling 'gcc/tree.cc-default_is_empty_record'.) An

[PUSHED] Add 'libgomp.c-c++-common/target-abi-struct-1-O0.c', 'libgomp.oacc-c-c++-common/abi-struct-1.c'

libgomp/ * testsuite/libgomp.c-c++-common/target-abi-struct-1-O0.c: New. * testsuite/libgomp.oacc-c-c++-common/abi-struct-1.c: Likewise. --- .../target-abi-struct-1-O0.c | 3 + .../libgomp.oacc-c-c++-common/abi-struct-1.c | 96 +++ 2 files

[PUSHED] Fix libgomp.oacc-fortran/lib-13.f90 async bug

From: Julian Brown libgomp/ * testsuite/libgomp.oacc-fortran/lib-13.f90: End data region after wait API calls. --- libgomp/testsuite/libgomp.oacc-fortran/lib-13.f90 | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libgomp/testsuite/libgomp.oacc-fortra

libgomp: Add a few more OpenMP/USM test cases (was: Add effective-target 'offload_device_usm', 'libgomp.c-c++-common/target-usm-1.c')

0a with 'HSA_XNACK=1'. Grüße Thomas >From 8c0404527575fc4fae81190376b6b6ef748fc6a5 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Fri, 9 May 2025 15:09:51 +0200 Subject: [PATCH] libgomp: Add a few more OpenMP/USM test cases ... where there are already clear differences in havi

Add effective-target 'offload_device_usm', 'libgomp.c-c++-common/target-usm-1.c' (was: [committed] libgomp.fortran/map-alloc-comp-9{,-usm}.f90: Add unified_shared_memory variant)

QUIREMENT > + !$omp requires unified_shared_memory > +#endif > + > type t >integer :: x(4) > end type t > @@ -73,10 +84,14 @@ var4%y2(2)%y%x%x = -7 * [,,,] > var4%y2(2)%y%x2(1)%x = -8 * [,,,] > var4%y2(2)%y%x2(2)%x = -9 * [1111,,,4

[PUSHED] GCN, nvptx offloading: Restrain 'WARNING: program timed out.' while in 'dynamic_cast'" [PR119692]

PR target/119692 libgomp/ * testsuite/libgomp.c++/pr119692-1-4.C: '{ dg-timeout 10 }'. * testsuite/libgomp.c++/pr119692-1-5.C: Likewise. * testsuite/libgomp.c++/target-exceptions-bad_cast-1.C: Likewise. * testsuite/libgomp.c++/target-exceptions-bad_ca

[PUSHED] nvptx: Support '-march=sm_61'

gcc/ * config/nvptx/nvptx-sm.def: Add '61'. * config/nvptx/nvptx-gen.h: Regenerate. * config/nvptx/nvptx-gen.opt: Likewise. * config/nvptx/nvptx.cc (first_ptx_version_supporting_sm): Adjust. * config/nvptx/nvptx.opt (-march-map=sm_61, -march-map=sm_62

[PUSHED] nvptx: Support '-mptx=5.0'

gcc/ * config/nvptx/nvptx-opts.h (enum ptx_version): Add 'PTX_VERSION_5_0'. * config/nvptx/nvptx.cc (ptx_version_to_string) (ptx_version_to_number): Adjust. * config/nvptx/nvptx.h (TARGET_PTX_5_0): New. * config/nvptx/nvptx.opt (Enum(ptx_versi

[PUSHED] GCN, nvptx libstdc++: Force use of '__atomic' builtins: revert 'atomicity_dir=cpu/generic/atomicity_builtins' hard-coding [PR119645]"

Thanks to commit 86627faec10da53d7532805019e5296fcf15ac09 "libstdc++: Rewrite atomic builtin checks [PR70560]", for both GCN, nvptx we now get: +configure:16060: checking for atomic builtins for _Atomic_word +[...] +configure:16073: result: yes ..., and thus may revert the 'atomicity_

libstdc++: Rewrite atomic builtin checks: Fix up 'GLIBCXX_ENABLE_BACKTRACE' check with 'size_t' [PR119667] (was: [PATCH] libstdc++: Rewrite atomic builtin checks [PR70560])

homas >From 4589ccbed5cad42296d4d1810b61e8dec0dadf79 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Mon, 12 May 2025 10:35:11 +0200 Subject: [PATCH] libstdc++: Rewrite atomic builtin checks: Fix up 'GLIBCXX_ENABLE_BACKTRACE' check with 'size_t' [PR119667] Fix

vect-simd-clone-1[6-8][cd].c: Expect in-branch clones for x86: Fix target selector syntax (was: [PATCH stage1 4/6] vect-simd-clone-1[6-8][cd].c: Expect in-branch clones for x86)

hat support > them. > Some targets use another call for the epilogue loops. */ > -/* { dg-final { scan-tree-dump-times {[\n\r] [^\n]* = foo\.simdclone} 2 > "vect" { target { ! { x86_64-*-* || { i?86-*-* || aarch64*-*-* } } } } } } */ > +/* { dg-final { scan-tree-dump-ti

'libgomp.c/interop-hsa.c': GCN offloading only (was: [PATCH] OpenMP, GCN: Add interop-hsa testcase)

hing but GCN offloading compilation (and host compilation, via dead code elimination). We could do some OpenMP 'declare variant' thing, I suppose, but as that whole test case really is applicable to GCN offloading only, I've pushed to trunk branch commit 85ad0d84fcec720c1d94b9bda9a617ce

GCN, nvptx offloading: Host/device compatibility: Itanium C++ ABI, DSO Object Destruction API [PR119853, PR119854]

7; only for 'target cxa_atexit', I've pushed to trunk branch commit aafe942227baf8c2bcd4cac2cb150e49a4b895a9 "GCN, nvptx offloading: Host/device compatibility: Itanium C++ ABI, DSO Object Destruction API [PR119853, PR119854]", see attached. Grüße Thomas >From aafe94

[PUSHED] Add 'libgomp.c-c++-common/target-cdtor-1.c'

libgomp/ * testsuite/libgomp.c-c++-common/target-cdtor-1.c: New. --- .../libgomp.c-c++-common/target-cdtor-1.c | 89 +++ 1 file changed, 89 insertions(+) create mode 100644 libgomp/testsuite/libgomp.c-c++-common/target-cdtor-1.c diff --git a/libgomp/testsuite/

[PATCH] GCN, nvptx offloading: Host/device compatibility: Itanium C++ ABI, DSO Object Destruction API [PR119853, PR119854]

'__dso_handle' for '__cxa_atexit', '__cxa_finalize'. See . PR target/119853 PR target/119854 libgcc/ * config/gcn/crt0.c (_fini_array): Call '__GCC_offload___cxa_finalize'. * config/nvptx/

[PATCH] GCN: Properly switch sections in 'gcn_hsa_declare_function_name' [PR119737]

: Likewise. * testsuite/libgomp.oacc-c++/exceptions-throw-1.C: Likewise. * testsuite/libgomp.oacc-c++/exceptions-throw-2.C: Likewise. Co-authored-by: Thomas Schwinge --- gcc/config/gcn/gcn.cc | 6 +++--- libgomp/testsuite/libgomp.c++/target-

Adjust 'libgomp.c++/target-exceptions-pr118794-1.C' for 'targetm.arm_eabi_unwinder' [PR118794] (was: [Linaro-TCWG-CI] gcc-15-9463-gaa3e72f9430: 2 regressions on arm)

produce the build : > https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/aa3e72f943032e5f074b2bd2fd06d130dda8760b/tcwg_bootstrap_check/master-arm-check_bootstrap/reproduction_instructions.txt > > Full commit : > https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=aa3e72f943032

[PUSHED] Disable parallel testing for 'rust/compile/nr2/compile.exp' [PR119508]

..., using the standard idiom. This '*.exp' file doesn't adhere to the parallel testing protocol as defined in 'gcc/testsuite/lib/gcc-defs.exp'. This also restores proper behavior for '*.exp' files executing after (!) this one, which erroneously caused hundreds or even thousands of individual tes

Re: [Patch] Fortran/OpenMP: Support automatic mapping allocatable components (deep mapping)

Hi Tobias! On 2025-04-15T11:30:18+0200, Tobias Burnus wrote: > --- /dev/null > +++ b/libgomp/testsuite/libgomp.fortran/map-alloc-comp-6.f90 > @@ -0,0 +1,308 @@ > +! NOTE: This code uses POINTER. > +! While map(p, var%p) etc. maps the ptr/ptr comp p / var%p (incl. > allocatable comps), > +! map(v

Fix time zone for 'cobol.dg/group2/FUNCTION_DATE___TIME_OMNIBUS.cob' [PR119818] (was: cobol: [committed] More testcases)

UNCTION TRIM(should-be) IS NUMERIC AND FUNCTION TRIM(but-is) IS NUMERIC +if FUNCTION NUMVAL(should-be) +not equal to FUNCTION NUMVAL(but-is) + and should-be not equal to but-is +then +

[PUSHED] nvptx: Remove 'TARGET_ASM_NEED_VAR_DECL_BEFORE_USE'

Unused; remnant of an (internal) experiment, before we had nvptx 'as'. gcc/ * config/nvptx/nvptx.cc (TARGET_ASM_NEED_VAR_DECL_BEFORE_USE): Don't '#define'. --- gcc/config/nvptx/nvptx.cc | 2 -- 1 file changed, 2 deletions(-) diff --git a/gcc/config/nvptx/nvptx.cc b/gcc/co

Remove 'ALWAYS_INLINE' workaround in 'libgomp.c++/target-exceptions-pr118794-1.C' (was: [PUSHED] GCN, nvptx: Support '-mfake-exceptions', and use it for offloading compilation [PR118794])

INE >C(int) {}; >~C() {}; Pushed to trunk branch commit 518efed8cb7d003cd85477060b1fe926a2d7a53b "Remove 'ALWAYS_INLINE' workaround in 'libgomp.c++/target-exceptions-pr118794-1.C'", see attached. Grüße Thomas >From 518efed8cb7d003cd85477060b1fe9

[PUSHED] Add 'libgomp.c++/pr106445-1{,-O0}.C' [PR106445]

PR target/106445 libgomp/ * testsuite/libgomp.c++/pr106445-1.C: New. * testsuite/libgomp.c++/pr106445-1-O0.C: Likewise. --- libgomp/testsuite/libgomp.c++/pr106445-1-O0.C | 3 +++ libgomp/testsuite/libgomp.c++/pr106445-1.C| 18 ++ 2 files changed

For nvptx offloading, make sure to emit C++ constructor, destructor aliases [PR97106] (was: [committed][nvptx] Use .alias directive for mptx >= 6.3)

Hi! On 2025-03-25T11:51:26+0100, Tom de Vries wrote: > On 3/25/25 11:18, Thomas Schwinge wrote: >> On 2022-03-22T14:41:46+0100, Tom de Vries via Gcc-patches >> wrote: >>> Starting with ptx isa version 6.3, a ptx directive .alias is available. >> >> Regar

[PUSHED 1/3] Add 'std::bad_cast' exception test cases for GCN, nvptx target and OpenACC, OpenMP 'target' offloading

gcc/testsuite/ * g++.target/gcn/exceptions-bad_cast-1.C: New. * g++.target/nvptx/exceptions-bad_cast-1.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-bad_cast-1.C: New. * testsuite/libgomp.oacc-c++/exceptions-bad_cast-1.C: Likewise. -

[PUSHED] GCN, nvptx: Support '-mfake-exceptions', and use it for offloading compilation [PR118794]

With '-mfake-exceptions' enabled, the user-visible behavior in presence of exception handling constructs changes such that the compile-time 'sorry, unimplemented: exception handling not supported' is skipped, code generation proceeds, and instead, exception handling constructs 'abort' at run time.

[PUSHED] Add 'g++.target/gcn/gcn.exp' for GCN-specific C++ test cases

Like 'gcc.target/gcn/gcn.exp' is modeled after 'gcc.dg/dg.exp', this new 'g++.target/gcn/gcn.exp' is modeled after 'g++.dg/dg.exp'. gcc/testsuite/ * g++.target/gcn/gcn.exp: New. --- gcc/testsuite/g++.target/gcn/gcn.exp | 56 1 file changed, 56 insertio

[PUSHED 3/3] Add 'throw', dead code test cases for GCN, nvptx target and OpenACC, OpenMP 'target' offloading

gcc/testsuite/ * g++.target/gcn/exceptions-throw-3.C: New. * g++.target/nvptx/exceptions-throw-3.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-throw-3.C: New. * testsuite/libgomp.oacc-c++/exceptions-throw-3.C: Likewise. --- .../g++.

[PUSHED 2/3] Add 'throw', caught test cases for GCN, nvptx target and OpenACC, OpenMP 'target' offloading

gcc/testsuite/ * g++.target/gcn/exceptions-throw-2.C: New. * g++.target/nvptx/exceptions-throw-2.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-throw-2.C: New. * testsuite/libgomp.c++/target-exceptions-throw-2-offload-sorry-GCN.C: Li

[PUSHED 1/3] Add 'throw' test cases for GCN, nvptx target and OpenACC, OpenMP 'target' offloading

gcc/testsuite/ * g++.target/gcn/exceptions-throw-1.C: New. * g++.target/nvptx/exceptions-throw-1.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-throw-1.C: New. * testsuite/libgomp.c++/target-exceptions-throw-1-O0.C: Likewise.

[PUSHED 3/3] Add 'std::bad_cast' exception, dead code test cases for GCN, nvptx target and OpenACC, OpenMP 'target' offloading

gcc/testsuite/ * g++.target/gcn/exceptions-bad_cast-3.C: New. * g++.target/nvptx/exceptions-bad_cast-3.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-bad_cast-3.C: New. * testsuite/libgomp.oacc-c++/exceptions-bad_cast-3.C: Likewise. -

[PUSHED 2/3] Add 'std::bad_cast' exception, caught test cases for GCN, nvptx target and OpenACC, OpenMP 'target' offloading

gcc/testsuite/ * g++.target/gcn/exceptions-bad_cast-2.C: New. * g++.target/nvptx/exceptions-bad_cast-2.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-bad_cast-2.C: New. * testsuite/libgomp.c++/target-exceptions-bad_cast-2-offload-sor

[PUSHED] Add test cases for exception handling constructs in dead code for GCN, nvptx target and OpenMP 'target' offloading [PR118794]

PR target/118794 gcc/testsuite/ * g++.target/gcn/exceptions-pr118794-1.C: New. * g++.target/nvptx/exceptions-pr118794-1.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-pr118794-1.C: New. * testsuite/libgomp.c++/target-exceptio

[PUSHED] Add PR119692 "C++ 'typeinfo', 'vtable' vs. OpenACC, OpenMP 'target' offloading" test cases [PR119692]

... documenting the status quo. PR c++/119692 gcc/testsuite/ * g++.target/gcn/pr119692-1-1.C: New. * g++.target/nvptx/pr119692-1-1.C: Likewise. libgomp/ * testsuite/libgomp.c++/pr119692-1-1.C: New. * testsuite/libgomp.c++/pr119692-1-2.C: Like

[v2] Polish 'dg-output-file' test logs (was: [PATCH] testsuite: Add support for dg-output-file directive)

[...] Spot in there our dear friend 'saved_asan_${tool}_load', <https://inbox.sourceware.org/87bjsy7trd@euler.schwinge.ddns.net> "Re: Asan/Tsan Unit/Regression testing". But even with that fixed, there'd be legitimate uses of wrapping '${tool}_load',

Re: Asan/Tsan Unit/Regression testing (was [asan] Emit GIMPLE direclty, small cleanups)

Hi! I've got a question regarding the 'gcc/testsuite/lib/asan-dg.exp' overriding of '${tool}_load', which was introduced here, Subversion r193511 (Git commit 8335a6439ddb66aa9ebc67ee47aa2e6e317e3ef9): On 2012-11-14T12:11:13+0100, Jakub Jelinek wrote: > --- gcc/testsuite/lib/asan-dg.exp.jj 2012-

Polish 'dg-output-file' test logs (was: [PATCH] testsuite: Add support for dg-output-file directive)

verbose "Failed test for output line $linenum" 3 > + pass "$name output file test" > + verbose "Passed test for output file [lindex ${output-file} > 1]" 3 OK to push the attached "Polish 'dg-output-f

[PUSHED] Fortran: Add code gen for do, concurrent's LOCAL/LOCAL_INIT: Fix 'static_assert' [PR101602]

Fix-up for commit 2d7e1d6e40a13a5f160b584336795b80f193ec3b "Fortran: Add code gen for do,concurrent's LOCAL/LOCAL_INIT [PR101602]": ../../source-gcc/gcc/fortran/trans-stmt.cc: In function ‘void gfc_trans_concurrent_locality_spec(bool, stmtblock_t*, std::vector*, gfc_expr_list**)’: ../../

OpenACC: Support GCC/C++-special 'default(_GCC_firstprivate)' clause [PR119692]

standardization by the OpenACC Technical Committee.) Grüße Thomas >From 660ffe85a98e9f0ec6ddd6ba1f383a44b672502c Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Wed, 9 Apr 2025 17:35:42 +0200 Subject: [PATCH] OpenACC: Support GCC/C++-special 'default(_GCC_firstprivate)' cla

[PUSHED 1/2] GCN, nvptx: Define '_Unwind_DeleteException'

This resolves GCN: ld: error: undefined symbol: _Unwind_DeleteException >>> referenced by eh_catch.cc:109 ([...]/source-gcc/libstdc++-v3/libsupc++/eh_catch.cc:109) >>> eh_catch.o:(__cxa_end_catch) in archive [...]/build-gcc/amdgcn-amdhsa/libstdc++-v3/src/.libs/libstdc++

[PUSHED 2/2] GCN, nvptx: Define '_Unwind_RaiseException', '_Unwind_Resume_or_Rethrow'

This resolves GCN: ld: error: undefined symbol: _Unwind_RaiseException >>> referenced by eh_throw.cc:93 ([...]/source-gcc/libstdc++-v3/libsupc++/eh_throw.cc:93) >>> eh_throw.o:(__cxa_throw) in archive /srv/data/tschwinge/amd-instinct2/gcc/build/submit-light-target_gcn/b

[PUSHED] nvptx: In offloading compilation, special-case certain host-setup symbol aliases: avoid unused label 'emit_ptx_alias' diagnostic

Minor fix-up for commit 65b31b3fff2fced015ded1026733605f34053796 "nvptx: In offloading compilation, special-case certain host-setup symbol aliases [PR101544]", as of which we see for non-offloading configurations: +[...]/source-gcc/gcc/config/nvptx/nvptx.cc: In function 'void nvptx_asm_outpu

[PUSHED] GCN, nvptx libstdc++: Force use of '__atomic' builtins [PR119645]

For both GCN, nvptx, this gets rid of 'configure'-time: configure: WARNING: No native atomic operations are provided for this platform. configure: WARNING: They will be faked using a mutex. configure: WARNING: Performance of certain classes will degrade as a result. ..., and changes:

nvptx: Support '-mfake-ptx-alloca': defer failure to run-time 'alloca' usage (was: [PUSHED] nvptx: Support '-mfake-ptx-alloca')

cement 'gcc/testsuite/lib/gcc-dg.exp:${tool}_load', via scanning and modifying 'result'. (..., but I'm not working on that right now.) Grüße Thomas >From 199f1abeef579912b4c40c42519825cedca6530f Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Sun, 6 Apr 2025 17:44:18 +0200 Subj

GCN, nvptx libstdc++: Force use of '__atomic' builtins [PR119645] (was: GCN, nvptx: Allow for "hosted" libstdc++ build)

s [PR119645]"? Jonathan, please put a sharp eye on the 'libstdc++-v3/acinclude.m4:GLIBCXX_ENABLE_LOCK_POLICY' change; to make sure this only affects GCN, nvptx, but nothing else. Grüße Thomas >From 1d3278050f9560666f6debcd2ead711660bebd4e Mon Sep 17 00:00:00 2001 From: Thoma

[PUSHED] Add 'gcc.target/nvptx/alias-unsupported-1.c'

... testing for the GCC/nvptx "alias definitions not supported" error diagnostic. gcc/testsuite/ * gcc.target/nvptx/alias-unsupported-1.c: New. --- gcc/testsuite/gcc.target/nvptx/alias-unsupported-1.c | 9 + 1 file changed, 9 insertions(+) create mode 100644 gcc/testsuite

[PATCH 2/2] GCN: Don't emit weak undefined symbols [PR119369]

This resolves all instances of PR119369 "GCN: weak undefined symbols -> execution test FAIL, 'HSA_STATUS_ERROR_VARIABLE_UNDEFINED'"; for all affected test cases, the execution test status progresses FAIL -> PASS. This however also causes a small number of (expected) regressions, very similar to G

[PUSHED] Add 'g++.target/nvptx/alias-g++.dg_init_dtor2-2.C'

... next to '-malias' variant: commit a1865fd33897bc6c6e0109df0a12ee73ce386315 "Add 'g++.target/nvptx/alias-g++.dg_init_dtor2-1.C'", to document what we're doing to '-mno-alias'. gcc/testsuite/ * g++.target/nvptx/alias-g++.dg_init_dtor2-2.C: New. --- .../nvptx/alias-g++.dg_init_dt

[PATCH] nvptx: In offloading compilation, special-case certain host-setup symbol aliases [PR101544]

configurations; any comments before I push the attached "nvptx: In offloading compilation, special-case certain host-setup symbol aliases [PR101544]"? In particular, is the use of a new 'c++ cdtor alias' attribute OK? Grüße Thomas >From 9bc9f515ed26602e97ebbcac453f73cddb8

libstdc++, nvptx: Remove machinery to inject per-file flags (was: GCN, nvptx: Allow for "hosted" libstdc++ build)

\$(CXXFLAGS-\$(subdir)/\$@)" > +# ..., see: > +tmake_file="$tmake_file cpu/nvptx/t-nvptx" ... this is not necessary anymore, and I've pushed to trunk branch commit 287f360b3e75a19c48ee14c71f51b6e7968474ef "libstdc++, nvptx: Remove machinery to inject per-fi

nvptx: Don't use PTX '.const', constant state space [PR119573] (was: 'TREE_READONLY' for 'const' array in C vs. C++)

Hi! I have, by the way, filed <https://gcc.gnu.org/PR119573> "nvptx: PTX '.const', constant state space" for this topic. On 2025-04-01T09:32:46+0200, Jakub Jelinek wrote: > On Tue, Apr 01, 2025 at 09:19:08AM +0200, Richard Biener via Gcc wrote: >> On Tue, Apr

[PATCH 1/2] GCN, libstdc++: '#define _GLIBCXX_USE_WEAK_REF 0' [PR119369]

This fixes a few hundreds of compilation/linking FAILs (similar to PR69506), where the GCN/LLVM 'ld' reported: ld: error: relocation R_AMDGPU_REL32_LO cannot be used against symbol '_ZGTtnam'; recompile with -fPIC >>> defined in [...]/amdgcn-amdhsa/./libstdc++-v3/src/.libs/libstdc++.a(co

[PUSHED] driver: Forward '-lstdc++' to offloading compilation [PR101544]

From: Thomas Schwinge ..., so that users don't manually need to specify '-foffload-options=-lstdc++' in addition to '-lstdc++' (specified manually, or implicitly by the driver). Do like commit 4bcb46b3ade1796c5a57b294f5cca25f00671cac "driver: Forward '-lgfortra

C++: Adjust implicit '__cxa_bad_typeid' prototype to reality

Hi! On 2025-03-24T13:38:56-0400, Jason Merrill wrote: > On 3/24/25 7:02 AM, Thomas Schwinge wrote: >> On 2025-03-21T15:46:01+0100, I wrote: >>> On 2025-03-19T14:25:49+, Jonathan Wakely wrote: >>>> On Wed, 19 Mar 2025 at 14:21, Marek Polacek wrote: >>&g

Re: [committed][nvptx] Use .alias directive for mptx >= 6.3

Hi Tom! On 2022-03-22T14:41:46+0100, Tom de Vries via Gcc-patches wrote: > Starting with ptx isa version 6.3, a ptx directive .alias is available. Regarding the following item specifically: > Unreferenced aliases are not emitted (these can occur f.i. when inlining a > call to an alias). This

Re: [Patch] libgomp/plugin/plugin-nvptx.c: Fix device used for stream creation

Hi Tobias! Earlier today, I happened to be testing current OG14 branch. On a multi-Nvidia GPU system, I saw: +PASS: libgomp.c/interop-fr-1.c (test for excess errors) +FAIL: libgomp.c/interop-fr-1.c execution test spawn [open ...] Running on the nvptx device (-99) Running on

Re: [PATCH] OpenMP: 'interop' construct - add ME support + target-independent libgomp

Hi Paul-Antoine! On 2025-03-21T18:35:57+0100, Paul-Antoine Arras wrote: > --- /dev/null > +++ b/gcc/testsuite/gfortran.dg/gomp/interop-5.f90 > @@ -0,0 +1,21 @@ > +! { dg-additional-options "-fdump-tree-omplower" } > + > +subroutine sub1 (a1, a2, a3, a4) > + use omp_lib, only: omp_interop_kind

[WIP] C++: Adjust implicit '__cxa_bad_typeid' prototype to reality (was: [v2] C++: Adjust implicit '__cxa_bad_cast' prototype to reality)

Hi! On 2025-03-21T15:46:01+0100, I wrote: > On 2025-03-19T14:25:49+, Jonathan Wakely wrote: >> On Wed, 19 Mar 2025 at 14:21, Marek Polacek wrote: >>> On Wed, Mar 19, 2025 at 12:38:31PM +0100, Thomas Schwinge wrote: >>> > In 2001

[PUSHED] Add 'libgomp.c++/pr101544-1{, -O0}.C', 'libgomp.oacc-c++/pr101544-1.C' [PR101544]

From: Thomas Schwinge PR target/101544 libgomp/ * testsuite/libgomp.c++/pr101544-1.C: New. * testsuite/libgomp.c++/pr101544-1-O0.C: Likewise. * testsuite/libgomp.oacc-c++/pr101544-1.C: Likewise. --- libgomp/testsuite/libgomp.c++/pr101544-1-O0.C | 4

[PUSHED] Add 'libgomp.c++/pr96835-1{, -O0}.C', 'libgomp.oacc-c++/pr96835-1.C' [PR96835]

PR libgomp/96835 libgomp/ * testsuite/libgomp.c++/pr96835-1.C: New. * testsuite/libgomp.c++/pr96835-1-O0.C: Likewise. * testsuite/libgomp.oacc-c++/pr96835-1.C: Likewise. --- libgomp/testsuite/libgomp.c++/pr96835-1-O0.C | 3 ++ libgomp/testsuite/libgomp.c++

nvptx: In offloading compilation, special-case certain host-setup symbol aliases [PR101544]

Hi! On 2025-03-21T08:37:16-0400, Jason Merrill wrote: > On 3/20/25 12:48 PM, Thomas Schwinge wrote: >> On 2025-03-20T11:59:07-0400, Jason Merrill wrote: >>> On 3/20/25 11:35 AM, Thomas Schwinge wrote: >>>> Appears that I'm too dumb to implement >>>>

[PUSHED] nvptx: Default at least to '-mptx=6.3'

gcc/ * config/nvptx/nvptx.cc (default_ptx_version_option): Default at least to '-mptx=6.3'. * doc/invoke.texi (Nvidia PTX Options): Update '-mptx=[...]'. gcc/testsuite/ * gcc.target/nvptx/march-map=sm_30.c: Adjust. * gcc.target/nvptx/march-map

Re: [COMMITTED 136/145] gccrs: Fix nightly rustc warnings

I feel like holding on on this for a few days would make the process > easier? What do you > think? Works for me; I'll keep this local until then. Grüße Thomas > On Sat, 22 Mar 2025 at 15:43, Thomas Schwinge wrote: >> >> Hi! >> >> On 2025-03-17T16:33:34+

Re: [COMMITTED 136/145] gccrs: Fix nightly rustc warnings

Hi! On 2025-03-17T16:33:34+0100, arthur.co...@embecosm.com wrote: > From: Kushal Pal > > libgrust/ChangeLog: > > * libformat_parser/Cargo.toml: > Used crate-type instead of depricated crate_type. > * libformat_parser/generic_format_parser/src/lib.rs: > Remove dead code. >

Re: C++/v3 PATCH to add/throw std::bad_array_new_length

Hi Jason! On 2025-03-20T11:52:46-0400, Jason Merrill wrote: > On 3/19/25 1:35 PM, Thomas Schwinge wrote: >> On 2013-05-03T16:24:43-0400, Jason Merrill wrote: >>> Last year Florian fixed the compiler to detect overflow in array new >>> size calculations and pass (siz

[v2] C++: Adjust implicit '__cxa_bad_cast' prototype to reality

Hi! On 2025-03-19T14:25:49+, Jonathan Wakely wrote: > On Wed, 19 Mar 2025 at 14:21, Marek Polacek wrote: >> On Wed, Mar 19, 2025 at 12:38:31PM +0100, Thomas Schwinge wrote: >> > In 2001 Subversion r40924 (Git commit >> > 52a11cbfcf0cfb32628b6953588b6af4037ac0b6

Re: [PATCH] nvptx: In offloading compilation, special-case certain host-setup symbol aliases [PR101544]

Hi Jason! On 2025-03-20T11:59:07-0400, Jason Merrill wrote: > On 3/20/25 11:35 AM, Thomas Schwinge wrote: >> Appears that I'm too dumb to implement >> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101544#c22>: >> >> | We "simply" need to tran

Re: C++/v3 PATCH to add/throw std::bad_array_new_length

Hi Jason! On 2013-05-03T16:24:43-0400, Jason Merrill wrote: > Last year Florian fixed the compiler to detect overflow in array new > size calculations and pass (size_t)-1 in that case. But C++11 specifies > that in case of overflow the program throws std::bad_array_new_length > (http://www.op

[PATCH] C++: Adjust implicit '__cxa_bad_cast' prototype to reality

In 2001 Subversion r40924 (Git commit 52a11cbfcf0cfb32628b6953588b6af4037ac0b6) "IA-64 ABI Exception Handling", '__cxa_bad_cast' changed from 'void *' to 'void' return type: --- libstdc++-v3/libsupc++/exception_support.cc +++ /dev/null @@ -1,388 +0,0 @@ -[...] -// Helpers for r

[PUSHED] Move 'find-dg-do-what' from 'gcc/testsuite/lib/gcc-dg.exp' into 'gcc/testsuite/lib/target-supports-dg.exp'

This was added in commit f553b1aaa2b1b925c918e5dcf966290b045321c2 "Refactor duplicated code into 'gcc/testsuite/lib/gcc-dg.exp:find-dg-do-what'", for use by 'gcc/testsuite/lib/target-supports.exp'. The latter is used by several test suites, 'gcc/testsuite/lib/gcc-dg.exp' however doesn't get loaded

GCN, nvptx: Allow for "hosted" libstdc++ build

one. (..., and some more fine-tuning is to follow later on.) Grüße Thomas >From cb01ed054f767511102264977ad5b33811c8bec5 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Thu, 20 Feb 2025 16:31:50 +0100 Subject: [PATCH] GCN, nvptx: Allow for "hosted" libstdc++ build We need &

Revert "GCN, nvptx: Basic '__cxa_guard_{acquire,abort,release}' for C++ static local variables support" (was: OpenMP offloading vs. C++ static local variables)

Hi! On 2023-12-23T10:17:57+0100, I wrote: > On 2023-12-21T13:58:23+0100, Jakub Jelinek wrote: >> On Thu, Dec 21, 2023 at 01:31:19PM +0100, Thomas Schwinge wrote: >>> OK to push, for a start, the attached >>> "GCN, nvptx: Basic '__cxa_guard_{acquire,abor

[PUSHED] GCN, nvptx: Don't default-disable libstdc++ build

From: Thomas Schwinge In addition to making libstdc++ itself available, this, via enabling 'build-gcc/*/libstdc++-v3/scripts/testsuite_flags', in particular also makes the standard C++ headers available to 'make check-gcc-c++'. With that, there are a lot of FAIL/UNRESOLVED

Re: [PUSHED] libstdc++: Avoid '-Wunused-parameter' for '__what' in function 'void std::__throw_format_error(const char*)'

Hi Jonathan! On 2025-03-06T19:58:55+, Jonathan Wakely wrote: > On Thu, 6 Mar 2025 at 19:48, Jonathan Wakely wrote: >> On Thu, 6 Mar 2025 at 14:28, Thomas Schwinge wrote: >> > In a '-fno-exceptions' configuration: >> > >> > In file include

libstdc++: Allow 'configure.host' to pre-set 'EXTRA_CFLAGS', 'EXTRA_CXX_FLAGS' (was: [PATCH] libstdc++: Allow 'configure.host' to modify 'EXTRA_CFLAGS', 'EXTRA_CXX_FLAGS')

Hi! On 2025-02-26T23:08:29+, Jonathan Wakely wrote: > On Wed, 26 Feb 2025 at 20:53, Thomas Schwinge wrote: >> On 2025-02-26T10:50:11+, Jonathan Wakely wrote: >> > On Wed, 26 Feb 2025 at 10:47, Jonathan Wakely wrote: >> >> On Wed, 26 Feb 2025 at 10:19, Tho

[PUSHED] libstdc++: Avoid '-Wunused-parameter' for '__what' in function 'void std::__throw_format_error(const char*)'

In a '-fno-exceptions' configuration: In file included from ../../../../../source-gcc/libstdc++-v3/src/c++20/format.cc:29: [...]/build-gcc/[...]/libstdc++-v3/include/format: In function ‘void std::__throw_format_error(const char*)’: [...]/build-gcc/[...]/libstdc++-v3/include/format:2

[PUSHED] Fix 'libstdc++-v3/src/c++20/tzdb.cc' build for '__GTHREADS && !__GTHREADS_CXX0X' configurations

From: Jonathan Wakely libstdc++-v3/ * src/c++20/tzdb.cc [__GTHREADS && !__GTHREADS_CXX0X]: Use '__gnu_cxx::__mutex'. Co-authored-by: Thomas Schwinge --- libstdc++-v3/src/c++20/tzdb.cc | 12 +++- 1 file changed, 11 insertions(+), 1 deletio

Re: [libstdc++] Testsuite should pay attention to extra flags

Hi! On 2025-03-03T17:30:06+0100, I wrote: > On 2002-04-17T21:37:50-0400, Phil Edwards wrote: >> If the user decides to build the library with extra compiler options >> via --enable-cxx-flags, the testsuite should (by default) use those same >> options when running. > > Hmm, are we sure that's wha

Re: [libstdc++] Testsuite should pay attention to extra flags

Hi! On 2002-04-17T21:37:50-0400, Phil Edwards wrote: > If the user decides to build the library with extra compiler options > via --enable-cxx-flags, the testsuite should (by default) use those same > options when running. Hmm, are we sure that's what we actually want? > Verified by passing str

[PUSHED 1/2] Add 'gcc.target/nvptx/stack_frame-1.c'

gcc/testsuite/ * gcc.target/nvptx/stack_frame-1.c: New. --- .../gcc.target/nvptx/stack_frame-1.c | 34 +++ 1 file changed, 34 insertions(+) create mode 100644 gcc/testsuite/gcc.target/nvptx/stack_frame-1.c diff --git a/gcc/testsuite/gcc.target/nvptx/stack

[PUSHED 2/2] nvptx: '#define MAX_FIXED_MODE_SIZE 128'

... instead of 64 via 'gcc/defaults.h': MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode) This fixes ICEs: [-FAIL: c-c++-common/pr111309-1.c -Wc++-compat (internal compiler error: in expand_fn_using_insn, at internal-fn.cc:268)-] [-FAIL:-]{+PASS:+} c-c++-common/pr111309-1.c -Wc++-com

[PUSHED] nvptx: Build libgfortran with '-mfake-ptx-alloca' [PR107635]

As of recent commit 8bf0ee8d62b8a08e808344d31354ab713157e15d "Fortran: Add transfer_between_remotes [PR107635]", we've got 'alloca' usage in 'libgfortran/caf/single.c:_gfortran_caf_transfer_between_remotes', and the libgfortran target library fails to build for legacy configurations where PTX 'allo

[PUSHED] nvptx: Support '-mfake-ptx-alloca'

With '-mfake-ptx-alloca' enabled, the user-visible behavior changes only for configurations where PTX 'alloca' is not available. Rather than a compile-time 'sorry, unimplemented: dynamic stack allocation not supported' in presence of dynamic stack allocation, compilation and assembly then succeeds

[PUSHED] nvptx: Delay 'sorry, unimplemented: dynamic stack allocation not supported' from expansion time to code generation

This gives the back end a chance to clean out a few more unnecessary instances of dynamic stack allocation. This progresses: PASS: gcc.dg/pr78902.c (test for warnings, line 7) PASS: gcc.dg/pr78902.c (test for warnings, line 8) PASS: gcc.dg/pr78902.c (test for warnings, line 9)

[PUSHED] nvptx: Add test cases for dead/unused 'alloca'/VLA

gcc/testsuite/ * gcc.target/nvptx/alloca-1-dead-O0-sm_30.c: New. * gcc.target/nvptx/alloca-1-dead-O0.c: Likewise. * gcc.target/nvptx/alloca-1-dead-O1-sm_30.c: Likewise. * gcc.target/nvptx/alloca-1-dead-O1.c: Likewise. * gcc.target/nvptx/alloca-1-unuse

[OG14] OpenMP/Fortran: extend 'adjust_args' clause, fixes for it and declare variant [PR115271]: avoid 'error: variable ‘saved_loc2’ set but not used [-Werror=unused-but-set-variable]' (was: [Patch] O

;. Pushed to OG14 branch commit f2ab2de88082d8c52bded3725aa78610085e072c "OpenMP/Fortran: extend 'adjust_args' clause, fixes for it and declare variant [PR115271]: avoid 'error: variable ‘saved_loc2’ set but not used [-Werror=unused-but-set-variable]'", see attached. Grü

Re: [PATCH] libstdc++: Allow 'configure.host' to modify 'EXTRA_CFLAGS', 'EXTRA_CXX_FLAGS'

Hi Jonathan! Sorry for not providing more context initially. On 2025-02-26T10:50:11+, Jonathan Wakely wrote: > On Wed, 26 Feb 2025 at 10:47, Jonathan Wakely wrote: >> On Wed, 26 Feb 2025 at 10:19, Thomas Schwinge wrote: >> > In particular, 'GLIBCXX_ENABLE_CXX_FLA

[PATCH] libstdc++: Allow 'configure.host' to modify 'EXTRA_CFLAGS', 'EXTRA_CXX_FLAGS'

In particular, 'GLIBCXX_ENABLE_CXX_FLAGS' shouldn't overwrite 'EXTRA_CXX_FLAGS' (and prepend any additional '--enable-cxx-flags=[...]'). libstdc++-v3/ * acinclude.m4 (GLIBCXX_ENABLE_CXX_FLAGS): Prepend any additional flags to 'EXTRA_CXX_FLAGS'. * configure: Regenera

Gracefully handle the case that 'gcc/testsuite/lib/gcc-dg.exp:find-dg-do-what' has not been called (indirectly) from 'dg-test' (was: Refactor duplicated code into 'gcc/testsuite/lib/gcc-dg.exp:find-dg

c74df4 "Gracefully handle the case that 'gcc/testsuite/lib/gcc-dg.exp:find-dg-do-what' has not been called (indirectly) from 'dg-test'", see attached, to prepare for another use case. Grüße Thomas >From e8e228acffe382f003a7f2ca37c068a5e0c74df4 Mon Sep 17 00:00

Refactor duplicated code into 'gcc/testsuite/lib/gcc-dg.exp:find-dg-do-what' (was: nvptx: PTX 'alloca' for '-mptx=7.3'+, '-march=sm_52'+ [PR65181])

dg-do-what at level >> $level" 2 >> [...] > > Here, I'd duplicated code from 'check_effective_target_stack_size', boo. > Pushed to trunk branch commit f553b1aaa2b1b925c918e5dcf966290b045321c2 > "Refactor duplicated code into > 'gcc/testsuite/lib/gcc-dg.exp:find-dg-do-wh

Refactor duplicated code into 'gcc/testsuite/lib/gcc-dg.exp:find-dg-do-what' (was: nvptx: PTX 'alloca' for '-mptx=7.3'+, '-march=sm_52'+ [PR65181])

Hi! On 2025-01-09T14:21:18+0100, I wrote: > Pushed to trunk branch commit 3861d362ec7e3c50742fc43833fe9d8674f4070e > "nvptx: PTX 'alloca' for '-mptx=7.3'+, '-march=sm_52'+ [PR65181]", > [...] > --- a/gcc/testsuite/lib/target-supports.exp > +++ b/gcc/testsuite/lib/target-supports.exp > @@ -1009,9

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