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| author | H.J. Lu <hongjiu.lu@intel.com> | 2016-04-25 12:41:43 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2016-04-25 05:41:43 -0700 |
| commit | 3dd7e09253039fd9d9fbf97f36569f5a1caab11d (patch) | |
| tree | be2cb9fc387847d61393cc9af06d75ced478bd3a /libatomic/configure.tgt | |
| parent | 9c8a71e668a436268fcca79295e2bfcbc75d1206 (diff) | |
| download | gcc-3dd7e09253039fd9d9fbf97f36569f5a1caab11d.zip gcc-3dd7e09253039fd9d9fbf97f36569f5a1caab11d.tar.gz gcc-3dd7e09253039fd9d9fbf97f36569f5a1caab11d.tar.bz2 | |
Revert the last change in libatomic
Need to properly check if -march=i486 is really needed for -m32 build
of libatomic on Linux/x86 and Linux/x86-64.
PR target/70454
* configure.tgt (XCFLAGS): Revert the last change.
From-SVN: r235411
Diffstat (limited to 'libatomic/configure.tgt')
| -rw-r--r-- | libatomic/configure.tgt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt index 49233a4..c5470d7 100644 --- a/libatomic/configure.tgt +++ b/libatomic/configure.tgt @@ -81,8 +81,14 @@ case "${target_cpu}" in try_ifunc=yes ;; x86_64) - # x86_64 compiler passes -march=x86_64 by default when building - # 32bit target libraries. + case " ${CC} ${CFLAGS} " in + *" -m32 "*) + XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" + XCFLAGS="${XCFLAGS} -fomit-frame-pointer" + ;; + *) + ;; + esac ARCH=x86 # ??? Detect when -mcx16 is already enabled. try_ifunc=yes |