[Bug target/63908] [e500v2] "float_bessel"case failed on e500v2 platforms

["leimaohui at cn dot fujitsu.com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63908

leimaohui <leimaohui at cn dot fujitsu.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |e500v2

--- Comment #7 from leimaohui <leimaohui at cn dot fujitsu.com> ---
(In reply to leimaohui from comment #6)
> Created attachment 34294 [details]
> the patch backport to gcc 4.9.1

I tried to backport these patches to gcc4.9.1(about the packport,please see the
attachments).
But build error appeared as following.
-------------------------------------
powerpc-poky-linux-gnuspe-gcc  -m32 -mcpu=8548 -mabi=spe -mspe
-mfloat-gprs=double
--sysroot=/poky-build-powerpc-p1020-gcc-4.9.1/tmp/sysroots/ubinux-p1020rdb -O2
-pipe -g -feliminate-unused-debug-types -fstack-protector-all
-D_FORTIFY_SOURCE=2 -O2  -O2 -pipe -g -feliminate-unused-debug-types
-fstack-protector-all -D_FORTIFY_SOURCE=2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE
 -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition  -isystem ./include   -fPIC -mlong-double-128
-mno-minimal-toc -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector
-Dinhibit_libc  -fPIC -mlong-double-128 -mno-minimal-toc -I. -I.
-I/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work/ppce500v2-poky-linux-gnuspe/libgcc-initial/4.9.1-r0/gcc-4.9.1/build.powerpc-poky-linux-gnuspe.powerpc-poky-linux-gnuspe/powerpc-poky-linux-gnuspe/libgcc/../.././gcc
-I/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc
-I/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc/.
-I/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc/../gcc
-I/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc/../include
 -DHAVE_CC_TLS  -o _addvdi3.o -MT _addvdi3.o -MD -MP -MF _addvdi3.dep
-DL_addvdi3 -c
/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc/libgcc2.c
-fvisibility=hidden -DHIDE_EXPORTS
/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc/unwind-dw2.c:
In function 'uw_init_context_1':
/poky-build-powerpc-p1020-gcc-4.9.1/tmp/work-shared/gcc-4.9.1-r0/gcc-4.9.1/libgcc/unwind-dw2.c:1593:1:
internal compiler error: Segmentation fault
 }
 ^
-------------------------------------
I don't know if there is more work I have to do.

Can you give me some suggestions?