Successfully identified regression in *gcc* in CI configuration tcwg_bmk_gnu_tx1/gnu-release-aarch64-spec2k6-O3_LTO. So far, this commit has regressed CI configurations: - tcwg_bmk_gnu_tx1/gnu-release-aarch64-spec2k6-O3_LTO

Culprit: <cut> commit 53329d29274fa4af5af7ab155947fe84b9684e39 Author: Rainer Orth ro@CeBiTec.Uni-Bielefeld.DE Date: Tue May 21 16:59:39 2019 +0000

Fix dg-require-* syntax

* gcc.dg/Wattribute-alias.c: Pass emtpy arg to dg-require-ifunc.

* gcc.c-torture/execute/20030125-1.c: Pass emtpy arg to dg-require-weak.

* gcc.dg/torture/ftrapv-2.c: Pass empty arg to dg-require-fork.

* gcc.target/i386/pr84723-1.c: Remove dg-require-ifunc. * gcc.target/i386/pr84723-2.c: Likewise. * gcc.target/i386/pr84723-3.c: Likewise. * gcc.target/i386/pr84723-4.c: Likewise. * gcc.target/i386/pr84723-5.c: Likewise.

From-SVN: r271476 </cut>

Results regressed to (for first_bad == 53329d29274fa4af5af7ab155947fe84b9684e39) # reset_artifacts: -10 # build_abe binutils: -9 # build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer: -8 # build_abe linux: -7 # build_abe glibc: -6 # build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer: -5 # true: 0 # benchmark -- -O3_LTO artifacts/build-53329d29274fa4af5af7ab155947fe84b9684e39/results_id: 1 # 456.hmmer,hmmer_base.default regressed by 104

from (for last_good == b33a3c6451ecc09ac5f1c7ccdac9b19eb0bd1a48) # reset_artifacts: -10 # build_abe binutils: -9 # build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer: -8 # build_abe linux: -7 # build_abe glibc: -6 # build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer: -5 # true: 0 # benchmark -- -O3_LTO artifacts/build-b33a3c6451ecc09ac5f1c7ccdac9b19eb0bd1a48/results_id: 1

Artifacts of last_good build: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... Results ID of last_good: tx1_64/tcwg_bmk_gnu_tx1/bisect-gnu-release-aarch64-spec2k6-O3_LTO/4568 Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... Results ID of first_bad: tx1_64/tcwg_bmk_gnu_tx1/bisect-gnu-release-aarch64-spec2k6-O3_LTO/4564 Build top page/logs: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...

Configuration details:

Reproduce builds: <cut> mkdir investigate-gcc-53329d29274fa4af5af7ab155947fe84b9684e39 cd investigate-gcc-53329d29274fa4af5af7ab155947fe84b9684e39

git clone https://git.linaro.org/toolchain/jenkins-scripts

mkdir -p artifacts/manifests curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... --fail curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... --fail curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... --fail chmod +x artifacts/test.sh

# Reproduce the baseline build (build all pre-requisites) ./jenkins-scripts/tcwg_bmk-build.sh @@ artifacts/manifests/build-baseline.sh

# Save baseline build state (which is then restored in artifacts/test.sh) mkdir -p ./bisect rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /gcc/ ./ ./bisect/baseline/

cd gcc

# Reproduce first_bad build git checkout --detach 53329d29274fa4af5af7ab155947fe84b9684e39 ../artifacts/test.sh

# Reproduce last_good build git checkout --detach b33a3c6451ecc09ac5f1c7ccdac9b19eb0bd1a48 ../artifacts/test.sh

cd .. </cut>

History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/c...

Artifacts: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa... Build log: https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-release-aa...

Full commit (up to 1000 lines): <cut> commit 53329d29274fa4af5af7ab155947fe84b9684e39 Author: Rainer Orth ro@CeBiTec.Uni-Bielefeld.DE Date: Tue May 21 16:59:39 2019 +0000

Fix dg-require-* syntax

* gcc.dg/Wattribute-alias.c: Pass emtpy arg to dg-require-ifunc.

* gcc.c-torture/execute/20030125-1.c: Pass emtpy arg to dg-require-weak.

* gcc.dg/torture/ftrapv-2.c: Pass empty arg to dg-require-fork.

* gcc.target/i386/pr84723-1.c: Remove dg-require-ifunc. * gcc.target/i386/pr84723-2.c: Likewise. * gcc.target/i386/pr84723-3.c: Likewise. * gcc.target/i386/pr84723-4.c: Likewise. * gcc.target/i386/pr84723-5.c: Likewise.

From-SVN: r271476 --- gcc/testsuite/ChangeLog | 14 ++++++++++++++ gcc/testsuite/gcc.c-torture/execute/20030125-1.c | 2 +- gcc/testsuite/gcc.dg/Wattribute-alias.c | 2 +- gcc/testsuite/gcc.dg/torture/ftrapv-2.c | 2 +- gcc/testsuite/gcc.target/i386/pr84723-1.c | 1 - gcc/testsuite/gcc.target/i386/pr84723-2.c | 1 - gcc/testsuite/gcc.target/i386/pr84723-3.c | 1 - gcc/testsuite/gcc.target/i386/pr84723-4.c | 1 - gcc/testsuite/gcc.target/i386/pr84723-5.c | 1 - 9 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8ec3ed1a513..4e8e73cb52f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,17 @@ +2019-05-21 Rainer Orth ro@CeBiTec.Uni-Bielefeld.DE + + * gcc.dg/Wattribute-alias.c: Pass emtpy arg to dg-require-ifunc. + + * gcc.c-torture/execute/20030125-1.c: Pass emtpy arg to dg-require-weak. + + * gcc.dg/torture/ftrapv-2.c: Pass empty arg to dg-require-fork. + + * gcc.target/i386/pr84723-1.c: Remove dg-require-ifunc. + * gcc.target/i386/pr84723-2.c: Likewise. + * gcc.target/i386/pr84723-3.c: Likewise. + * gcc.target/i386/pr84723-4.c: Likewise. + * gcc.target/i386/pr84723-5.c: Likewise. + 2019-05-21 Iain Sandoe iain@sandoe.co.uk

PR testsuite/67958 diff --git a/gcc/testsuite/gcc.c-torture/execute/20030125-1.c b/gcc/testsuite/gcc.c-torture/execute/20030125-1.c index 960552c3c3a..39578e51d15 100644 --- a/gcc/testsuite/gcc.c-torture/execute/20030125-1.c +++ b/gcc/testsuite/gcc.c-torture/execute/20030125-1.c @@ -1,6 +1,6 @@ /* Verify whether math functions are simplified. */ /* { dg-require-effective-target c99_runtime } */ -/* { dg-require-weak } */ +/* { dg-require-weak "" } */ double sin(double); double floor(double); float diff --git a/gcc/testsuite/gcc.dg/Wattribute-alias.c b/gcc/testsuite/gcc.dg/Wattribute-alias.c index 228c1be82fc..12774e82834 100644 --- a/gcc/testsuite/gcc.dg/Wattribute-alias.c +++ b/gcc/testsuite/gcc.dg/Wattribute-alias.c @@ -1,6 +1,6 @@ /* PR middle-end/81824 - Warn for missing attributes with function aliases { dg-do compile } - { dg-require-ifunc "require ifunc support" } + { dg-require-ifunc "" } { dg-options "-Wall -Wattribute-alias=2" } */

#define ATTR(...) __attribute__ ((__VA_ARGS__)) diff --git a/gcc/testsuite/gcc.dg/torture/ftrapv-2.c b/gcc/testsuite/gcc.dg/torture/ftrapv-2.c index 8065ee0461a..75e464fe557 100644 --- a/gcc/testsuite/gcc.dg/torture/ftrapv-2.c +++ b/gcc/testsuite/gcc.dg/torture/ftrapv-2.c @@ -3,7 +3,7 @@ /* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */ /* { dg-additional-options "-ftrapv" } */ /* { dg-require-effective-target trapping } */ -/* { dg-require-fork unused } */ +/* { dg-require-fork "" } */

#include <stdlib.h> #include <unistd.h> diff --git a/gcc/testsuite/gcc.target/i386/pr84723-1.c b/gcc/testsuite/gcc.target/i386/pr84723-1.c index 0264ecb1159..1357b1d5f46 100644 --- a/gcc/testsuite/gcc.target/i386/pr84723-1.c +++ b/gcc/testsuite/gcc.target/i386/pr84723-1.c @@ -1,6 +1,5 @@ /* PR middle-end/84723 */ /* { dg-do compile } */ -/* { dg-require-ifunc } */ /* { dg-options "-O2" } */

__attribute__((target_clones ("avx", "default"))) diff --git a/gcc/testsuite/gcc.target/i386/pr84723-2.c b/gcc/testsuite/gcc.target/i386/pr84723-2.c index 6456d6d256f..d092e676b62 100644 --- a/gcc/testsuite/gcc.target/i386/pr84723-2.c +++ b/gcc/testsuite/gcc.target/i386/pr84723-2.c @@ -1,6 +1,5 @@ /* PR middle-end/84723 */ /* { dg-do compile } */ -/* { dg-require-ifunc } */ /* { dg-options "-O2" } */

__attribute__((target_clones ("avx", "default"))) diff --git a/gcc/testsuite/gcc.target/i386/pr84723-3.c b/gcc/testsuite/gcc.target/i386/pr84723-3.c index bb8e7cabc88..7bb8eb29815 100644 --- a/gcc/testsuite/gcc.target/i386/pr84723-3.c +++ b/gcc/testsuite/gcc.target/i386/pr84723-3.c @@ -1,6 +1,5 @@ /* PR middle-end/84723 */ /* { dg-do compile } */ -/* { dg-require-ifunc } */ /* { dg-options "-O2" } */

__attribute__((target_clones ("avx", "default"))) diff --git a/gcc/testsuite/gcc.target/i386/pr84723-4.c b/gcc/testsuite/gcc.target/i386/pr84723-4.c index 9df1008497c..f30567dfae3 100644 --- a/gcc/testsuite/gcc.target/i386/pr84723-4.c +++ b/gcc/testsuite/gcc.target/i386/pr84723-4.c @@ -1,6 +1,5 @@ /* PR middle-end/84723 */ /* { dg-do compile } */ -/* { dg-require-ifunc } */ /* { dg-options "-O2" } */

__attribute__((target_clones ("avx", "default"))) diff --git a/gcc/testsuite/gcc.target/i386/pr84723-5.c b/gcc/testsuite/gcc.target/i386/pr84723-5.c index c7aa92804fa..0167df39850 100644 --- a/gcc/testsuite/gcc.target/i386/pr84723-5.c +++ b/gcc/testsuite/gcc.target/i386/pr84723-5.c @@ -1,6 +1,5 @@ /* PR middle-end/84723 */ /* { dg-do compile } */ -/* { dg-require-ifunc } */ /* { dg-options "-O2" } */

__attribute__((target_clones ("avx", "default"))) </cut>