https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79947
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
There's reduced test-case:
******** /tmp/ppc-ice.c ********
float a, b;
void
c ()
{
a = __builtin_sqrtf (b);
}
$ ppc64-linux-gnu-gcc -Ofast -mno-powerpc-gfxopt -mcmpb -c ppc-ice.c --verbose
Using built-in specs.
COLLECT_GCC=ppc64-linux-gnu-gcc
Target: ppc64-linux-gnu
Configured with: ./../configure --enable-linker-build-id
--prefix=/home/marxin/BIG/buildbot/slave/gcc-master-build-ppc64/../install/gcc-6fe883d64cf228785f3d0a4e24f9138c8958c93b
--target=ppc64-linux-gnu --with-as=/usr/bin/powerpc64-suse-linux-as
--disable-bootstrap
...
/home/marxin/BIG/buildbot/slave/install/gcc-6fe883d64cf228785f3d0a4e24f9138c8958c93b/bin/../lib/gcc/ppc64-linux-gnu/7.0.1/cc1
-quiet -v -iprefix
/home/marxin/BIG/buildbot/slave/install/gcc-6fe883d64cf228785f3d0a4e24f9138c8958c93b/bin/../lib64/gcc/ppc64-linux-gnu/7.0.1/
-D__unix__ -D__gnu_linux__ -D__linux__ -Dunix -D__unix -Dlinux -D__linux
-Asystem=linux -Asystem=unix -Asystem=posix ppc-ice.c -quiet -dumpbase
ppc-ice.c -mno-powerpc-gfxopt -mcmpb -auxbase ppc-ice -Ofast -version -o
/tmp/ccSq65JO.s
Hope you'll reproduce it now.
