This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH][Middle-end]patch for fixing PR 86519
On Wed, Aug 22, 2018 at 2:15 AM Qing Zhao <qing.zhao@oracle.com> wrote:
>
>
> > On Aug 21, 2018, at 8:07 AM, Paul Hua <paul.hua.gm@gmail.com> wrote:
> >
> > Hi, Qing,
> >
> > The cfarm machine gcc23 can build mips64el successful, configure with
> > "../configure --prefix=/opt/gcc-9 MISSING=texinfo MAKEINFO=missing
> > --target=mips64el-linux-gnu --enable-languages=c,c++
>
> I got the same failure message on gcc23 as gcc22, even with the above configure:
>
> /usr/bin/ld: failed to merge target specific data of file /usr/lib32/libc.a(mremap.o)
> /usr/bin/ld: /usr/lib32/libc.a(libc-lowlevellock.o): ABI is incompatible with that of the selected emulation
>
> not sure what’s the problem?
>
I just build all-gcc and make check.
./configure xxx
make all-gcc -j 2
make check-gcc RUNTESTFLAGS="dg.exp=strcmpopt_6.c"
It's enough to reproduce the regression.
Here is a mips port patch.
diff --git a/gcc/testsuite/gcc.dg/strcmpopt_6.c
b/gcc/testsuite/gcc.dg/strcmpopt_6.c
index 4c6de02824f..fa0ff9d1171 100644
--- a/gcc/testsuite/gcc.dg/strcmpopt_6.c
+++ b/gcc/testsuite/gcc.dg/strcmpopt_6.c
@@ -33,4 +33,5 @@ int main (void)
}
-/* { dg-final { scan-assembler-times "memcmp" 2 } } */
+/* { dg-final { scan-assembler-times "memcmp" 2 { target { !
mips*-*-* } } } } */
+/* { dg-final { scan-assembler-times "memcmp" 4 { target { mips*-*-* } } } } */
Paul Hua