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From: "bernd.edlinger at hotmail dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/64310] libgcc2.c:2051:1: internal compiler error: in curr_insn_transform, at lra-constraints.c:3383
Date: Mon, 15 Dec 2014 11:43:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64310

Bernd Edlinger <bernd.edlinger at hotmail dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bernd.edlinger at hotmail dot de

--- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
I have something similar with:
../gcc-5-20141214/configure --prefix=/home/ed/gnu/arm-linux-gnueabihf
--enable-languages=all,ada,go,obj-c++ --with-arch=armv7-a --with-tune=cortex-a9
--with-fpu=vfpv3-d16 --with-float=hard


../../../gcc-5-20141214/libgcc/libgcc2.c: In function '__subvdi3':
../../../gcc-5-20141214/libgcc/libgcc2.c:147:1: error: unable to generate
reloads for:
 }
 ^
(insn 7 3 8 2 (parallel [
            (set (reg/v:DI 114 [ w ])
                (minus:DI (reg/v:DI 116 [ a ])
                    (reg/v:DI 117 [ b ])))
            (clobber (reg:CC 100 cc))
        ]) ../../../gcc-5-20141214/libgcc/libgcc2.c:141 27 {*arm_subdi3}
     (expr_list:REG_UNUSED (reg:CC 100 cc)
        (nil)))
../../../gcc-5-20141214/libgcc/libgcc2.c:147:1: internal compiler error: in
curr_insn_transform, at lra-constraints.c:3383
0x9a55ef _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
    ../../gcc-5-20141214/gcc/rtl-error.c:110
0x85ebaf curr_insn_transform
    ../../gcc-5-20141214/gcc/lra-constraints.c:3383
0x8620ff lra_constraints(bool)
    ../../gcc-5-20141214/gcc/lra-constraints.c:4324
0x848cfb lra(_IO_FILE*)
    ../../gcc-5-20141214/gcc/lra.c:2277
0x7e4127 do_reload
    ../../gcc-5-20141214/gcc/ira.c:5391
0x7e466f execute
    ../../gcc-5-20141214/gcc/ira.c:5561
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