Gcc uses the same -march= for both -m32 and -m64 on x86-64 unless --with-arch-32= is used. There is no need for -march=i486 to compile 32-bit libatomic on x86-64.
Tested on x86-64. OK for trunk? H.J. --- PR target/70454 * configure.tgt (XCFLAGS): Don't add -march=i486 to compile 32-bit x86 target library on x86-64. --- libatomic/configure.tgt | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt index c5470d7..bbb93fc 100644 --- a/libatomic/configure.tgt +++ b/libatomic/configure.tgt @@ -81,14 +81,8 @@ case "${target_cpu}" in try_ifunc=yes ;; x86_64) - case " ${CC} ${CFLAGS} " in - *" -m32 "*) - XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" - XCFLAGS="${XCFLAGS} -fomit-frame-pointer" - ;; - *) - ;; - esac + # Since 64-bit arch > i486, we can use the same -march= to build + # both 32-bit and 64-bit target libraries. ARCH=x86 # ??? Detect when -mcx16 is already enabled. try_ifunc=yes -- 2.5.5