If --with-arch-32= is used to configure GCC, it should be used to compile 32-bit x86 libgomp library. Since --with-arch for 64-bit > i486, we can use it for 32-bit target library.
Tested on x86-64, with and without --with-arch=. OK for stage 1? H.J. PR target/70454 * configure.tgt: Use --with-arch=/--with-arch-32= for 32-bit x86 target library. --- libgomp/configure.tgt | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libgomp/configure.tgt b/libgomp/configure.tgt index 77e73f0..c99b620 100644 --- a/libgomp/configure.tgt +++ b/libgomp/configure.tgt @@ -79,14 +79,15 @@ if test x$enable_linux_futex = xyes; then esac ;; - # Similar jiggery-pokery for x86_64 multilibs, except here we - # can't rely on the --with-arch configure option, since that - # applies to the 64-bit side. x86_64-*-linux*) config_path="linux/x86 linux posix" case " ${CC} ${CFLAGS} " in *" -m32 "*) - XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" + # Since --with-arch for 64-bit > i486, we can use it for + # for 32-bit. + if test -z "$with_arch_32" && test -z "$with_arch"; then + XCFLAGS="${XCFLAGS} -march=i486 -mtune=generic" + fi ;; esac ;; -- 2.5.5