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* [gcc r11-7082] libstdc++: Work around test failures using -mno-tree-vrp
@ 2021-02-03 15:51 Jonathan Wakely
0 siblings, 0 replies; only message in thread
From: Jonathan Wakely @ 2021-02-03 15:51 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:3de9bd16c91c5fc050961db6887880b303b3a630
commit r11-7082-g3de9bd16c91c5fc050961db6887880b303b3a630
Author: Matthias Kretz <kretz@kde.org>
Date: Wed Feb 3 15:49:30 2021 +0000
libstdc++: Work around test failures using -mno-tree-vrp
This is necessary to avoid failures resulting from PR98834.
libstdc++-v3/ChangeLog:
* testsuite/Makefile.am: Warn about the workaround. Add
-fno-tree-vrp to CXXFLAGS passed to the check_simd script.
Improve initial user feedback from make check-simd.
* testsuite/Makefile.in: Regenerated.
Diff:
---
libstdc++-v3/testsuite/Makefile.am | 4 +++-
libstdc++-v3/testsuite/Makefile.in | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/libstdc++-v3/testsuite/Makefile.am b/libstdc++-v3/testsuite/Makefile.am
index 2d3ad481dba..ba5023a8b54 100644
--- a/libstdc++-v3/testsuite/Makefile.am
+++ b/libstdc++-v3/testsuite/Makefile.am
@@ -191,8 +191,10 @@ check-simd: $(srcdir)/experimental/simd/generate_makefile.sh \
${glibcxx_srcdir}/scripts/check_simd \
testsuite_files_simd \
${glibcxx_builddir}/scripts/testsuite_flags
+ @echo "WARNING: Adding -fno-tree-vrp to CXXFLAGS to work around PR98834."
@rm -f .simd.summary
- ${glibcxx_srcdir}/scripts/check_simd "${glibcxx_srcdir}" "${glibcxx_builddir}" "$(CXXFLAGS)" | \
+ @echo "Generating simd testsuite subdirs and Makefiles ..."
+ @${glibcxx_srcdir}/scripts/check_simd "${glibcxx_srcdir}" "${glibcxx_builddir}" "$(CXXFLAGS) -fno-tree-vrp" | \
while read subdir; do \
$(MAKE) -C "$${subdir}"; \
tail -n20 $${subdir}/simd_testsuite.sum | \
diff --git a/libstdc++-v3/testsuite/Makefile.in b/libstdc++-v3/testsuite/Makefile.in
index ac6207ae75c..c9dd7f5da61 100644
--- a/libstdc++-v3/testsuite/Makefile.in
+++ b/libstdc++-v3/testsuite/Makefile.in
@@ -716,8 +716,10 @@ check-simd: $(srcdir)/experimental/simd/generate_makefile.sh \
${glibcxx_srcdir}/scripts/check_simd \
testsuite_files_simd \
${glibcxx_builddir}/scripts/testsuite_flags
+ @echo "WARNING: Adding -fno-tree-vrp to CXXFLAGS to work around PR98834."
@rm -f .simd.summary
- ${glibcxx_srcdir}/scripts/check_simd "${glibcxx_srcdir}" "${glibcxx_builddir}" "$(CXXFLAGS)" | \
+ @echo "Generating simd testsuite subdirs and Makefiles ..."
+ @${glibcxx_srcdir}/scripts/check_simd "${glibcxx_srcdir}" "${glibcxx_builddir}" "$(CXXFLAGS) -fno-tree-vrp" | \
while read subdir; do \
$(MAKE) -C "$${subdir}"; \
tail -n20 $${subdir}/simd_testsuite.sum | \
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