https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66020
Bug ID: 66020
Summary: [6.0 regression] FAIL:
gcc.target/powerpc/ppc64-abi-2.c execution test
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sch...@linux-m68k.org
Target Milestone: ---
Target: powerpc64-*-*
$ gcc/xgcc -Bgcc/ ../gcc/testsuite/gcc.target/powerpc/ppc64-abi-2.c -O2
-fprofile -mprofile-kernel -maltivec -mabi=altivec -lm -m64 -o
./ppc64-abi-2.exe
$ ./ppc64-abi-2.exe
Segmentation fault
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00003fffb7d24dcc in generic_start_main (
main=@0x10012190: 0x100005d0 <main>, argc=<optimized out>,
argv=0x3fffffffef48, auxvec=0x3ffffffff220, init=<optimized out>,
rtld_fini=<optimized out>, stack_end=<optimized out>, fini=<optimized out>)
at ../csu/libc-start.c:269
#2 0x00003fffb7d24fd4 in __libc_start_main (argc=<optimized out>,
argv=<optimized out>, ev=<optimized out>, auxvec=<optimized out>,
rtld_fini=<optimized out>, stinfo=<optimized out>,
stack_on_entry=<optimized out>)
at ../sysdeps/unix/sysv/linux/powerpc/libc-start.c:80
#3 0x0000000000000000 in ?? ()
Breakpoint 3, fcvi (s=0x100011e0 "vv", v=..., i=2)
at ../gcc/testsuite/gcc.target/powerpc/ppc64-abi-2.c:138
138 reg_parms_t lparms = gparms;
(gdb) disass
Dump of assembler code for function fcvi:
0x0000000010000900 <+0>: mflr r0
0x0000000010000904 <+4>: bl 0x10000820 <my_mcount>
0x0000000010000908 <+8>: mflr r0
=> 0x000000001000090c <+12>: nop
0x0000000010000910 <+16>: li r8,176
0x0000000010000914 <+20>: ld r10,-32744(r2)
0x0000000010000918 <+24>: std r0,16(r1)
0x000000001000091c <+28>: stdu r1,-112(r1)
0x0000000010000920 <+32>: ld r9,0(r10)
0x0000000010000924 <+36>: ld r6,32(r10)
0x0000000010000928 <+40>: cmpd cr7,r3,r9
0x000000001000092c <+44>: lvx v0,r10,r8
0x0000000010000930 <+48>: bne- cr7,0x10000954 <fcvi+84>
0x0000000010000934 <+52>: vcmpequw. v2,v2,v0
0x0000000010000938 <+56>: bge- cr6,0x10000954 <fcvi+84>
0x000000001000093c <+60>: cmpd cr7,r7,r6
0x0000000010000940 <+64>: bne- cr7,0x10000954 <fcvi+84>
0x0000000010000944 <+68>: addi r1,r1,112
0x0000000010000948 <+72>: ld r0,16(r1)
0x000000001000094c <+76>: mtlr r0
0x0000000010000950 <+80>: blr
0x0000000010000954 <+84>: bl 0x100005bc
<00000044.plt_call.abort@@GLIBC_2.3>
0x0000000010000958 <+88>: ld r2,40(r1)
0x000000001000095c <+92>: .long 0x0
0x0000000010000960 <+96>: .long 0x1
0x0000000010000964 <+100>: lwz r0,0(0)
End of assembler dump.
(gdb) i reg r0
r0 0x0 0
