aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2021-01-15 17:27:53 -0800
committerH.J. Lu <hjl.tools@gmail.com>2021-01-15 17:37:20 -0800
commit2c356f221bbab29bf4d1626d161e0f584dddd600 (patch)
treec8a0a74d557b13644a3a6ae9494f1b29bbb07b70
parent2f7f0d32e740c8111b88f7865c822674060c02d7 (diff)
downloadgcc-2c356f221bbab29bf4d1626d161e0f584dddd600.zip
gcc-2c356f221bbab29bf4d1626d161e0f584dddd600.tar.gz
gcc-2c356f221bbab29bf4d1626d161e0f584dddd600.tar.bz2
libstdc++-v3: Add -fcf-protection=none to -march=i486
-fcf-protection is automatically enabled in libstdc++ on Linux/x86. Starting from commit 77d372abec0fbf2cfe922e3140ee3410248f979e Author: H.J. Lu <hjl.tools@gmail.com> Date: Thu Jan 14 05:56:46 2021 -0800 x86: Error on -fcf-protection with incompatible target GCC issues an error on -fcf-protection with incompatible target: ... -fcf-protection ... libstdc++-v3/testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc -m32 -O2 -g0 -fno-exceptions -fno-asynchronous-unwind-tables -march=i486 ... cc1plus: error: '-fcf-protection' is not compatible with this target FAIL: 29_atomics/atomic_flag/test_and_set/explicit-hle.cc (test for excess errors) Add -fcf-protection=none to -march=i486 to compile explicit-hle.cc. * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Add -fcf-protection=none to -march=i486.
-rw-r--r--libstdc++-v3/testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc b/libstdc++-v3/testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc
index 0fd8170..8ec4628 100644
--- a/libstdc++-v3/testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc
+++ b/libstdc++-v3/testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc
@@ -1,6 +1,6 @@
// { dg-do compile { target i?86-*-* x86_64-*-* } }
// { dg-options "-O2 -g0 -fno-exceptions -fno-asynchronous-unwind-tables" }
-// { dg-additional-options "-march=i486" { target ia32 } }
+// { dg-additional-options "-march=i486 -fcf-protection=none" { target ia32 } }
// { dg-require-effective-target c++11 }
// { dg-skip-if "scans fail with LTO" { lto } { "-flto" } }
// { dg-final { scan-assembler-times "xacquire\|\.byte\[^\n\r]*0xf2" 14 } }