[Bug target/60772] New: [4.9 regression] FAIL: gcc.target/powerpc/direct-move-float1.c (internal compiler error)

["schwab at linux-m68k dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60772

            Bug ID: 60772
           Summary: [4.9 regression] FAIL:
                    gcc.target/powerpc/direct-move-float1.c (internal
                    compiler error)
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: schwab@linux-m68k.org
            Target: powerpc64-*-*

configure flags: --prefix=/usr --build=powerpc64-linux
--enable-checking=release --enable-shared --with-system-zlib CFLAGS='-O2 -g'
CXXFLAGS='-O2 -g' --with-cpu-64=power4 --enable-secureplt
--with-long-double-128

$ gcc/xgcc -Bgcc/ ../gcc/testsuite/gcc.target/powerpc/direct-move-float1.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -mcpu=power8 -O2
-ffat-lto-objects -ffat-lto-objects -ffat-lto-objects -ffat-lto-objects -S -m64
-o direct-move-float1.s
In file included from
../gcc/testsuite/gcc.target/powerpc/direct-move-float1.c:18:0:
../gcc/testsuite/gcc.target/powerpc/direct-move.h: In function
âload_gpr_to_vsxâ:
../gcc/testsuite/gcc.target/powerpc/direct-move.h:66:1: error: unrecognizable
insn:
(insn 22 21 23 2 (set (subreg:DI (reg:SF 32 0 [orig:129 d ] [129]) 0)
        (reg:DI 10 10)) ../gcc/testsuite/gcc.target/powerpc/direct-move.h:64 -1
     (nil))
../gcc/testsuite/gcc.target/powerpc/direct-move.h:66:1: internal compiler
error: in extract_insn, at recog.c:2202
0x104ffbdb _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        ../../gcc/rtl-error.c:109
0x104ffc47 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        ../../gcc/rtl-error.c:117
0x104ca3ef extract_insn(rtx_def*)
        ../../gcc/recog.c:2202
0x104ca4b7 extract_insn_cached(rtx_def*)
        ../../gcc/recog.c:2105
0x102fc97b cleanup_subreg_operands(rtx_def*)
        ../../gcc/final.c:3063
0x104c6a57 split_insn
        ../../gcc/recog.c:2920
0x104cd72b split_all_insns()
        ../../gcc/recog.c:2974
0x104cd863 rest_of_handle_split_after_reload
        ../../gcc/recog.c:3923
0x104cd863 execute
        ../../gcc/recog.c:3952