http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55198



             Bug #: 55198

           Summary: [4.8 Regression] libquadmath/math/fmaq.c:233:7:

                    internal compiler error

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: libquadmath

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: dang...@gcc.gnu.org

              Host: hppa2.0w-hp-hpux11.11

            Target: hppa2.0w-hp-hpux11.11

             Build: hppa2.0w-hp-hpux11.11





libtool: compile:  /test/gnu/gcc/objdir/./gcc/xgcc

-B/test/gnu/gcc/objdir/./gcc/

 -B/opt/gnu/gcc/gcc-4.8/hppa2.0w-hp-hpux11.11/bin/

-B/opt/gnu/gcc/gcc-4.8/hppa2.0w-hp-hpux11.11/lib/ -isystem

/opt/gnu/gcc/gcc-4.8/hppa2.0w-hp-hpux11.11/include

 -isystem /opt/gnu/gcc/gcc-4.8/hppa2.0w-hp-hpux11.11/sys-include

-DHAVE_CONFIG_H

 -I. -I../../../gcc/libquadmath -g -O2 -MT math/fmaq.lo -MD -MP -MF

math/.deps/f

maq.Tpo -c ../../../gcc/libquadmath/math/fmaq.c  -fPIC -DPIC -o

math/.libs/fmaq.o../../../gcc/libquadmath/math/fmaq.c: In function

'fmaq':../../../gcc/libquadmath/math/fmaq.c:233:7: internal compiler error: in

expand_asm_operands, at stmt.c:912

       asm volatile ("" : : "m" (v.value));      

^../../../gcc/libquadmath/math/fmaq.c:233:7: internal compiler error: Aborted



Probably introduced by:



2012-10-31  Tobias Burnus  <bur...@net-b.de>

            Joseph Myers <jos...@codesourcery.com>

            David S. Miller <da...@davemloft.net>

            Ulrich Drepper <drep...@redhat.com>

            Marek Polacek <pola...@redhat.com>:

            Petr Baudis <pa...@suse.cz>



        * math/complex.c (csqrtq): NaN and INF fixes. 

        * math/sqrtq.c (sqrt): NaN, INF and < 0 fixes.

        * math/expm1q.c (expm1q): Changes from GLIBC. Use expq for

        large parameters. Fix errno for boundary conditions.

        * math/finiteq.c (finiteq): Add comment.

        * math/fmaq.c (fmaq): Changes from GLIBC. Fix missing underflows

        and bad results for some subnormal results. Fix sign of inexact

        zero return. Fix sign of exact zero return. 

        Ensure additions are not scheduled after fetestexcept.



-bash-3.2$ ./xgcc -B./ -v

Reading specs from ./specs

COLLECT_GCC=./xgcc

COLLECT_LTO_WRAPPER=./lto-wrapper

Target: hppa2.0w-hp-hpux11.11

Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu/bin/as

--enable-shared --with-local-prefix=/opt/gnu --prefix=/opt/gnu/gcc/gcc-4.8

--with-gmp=/opt/gnu/gcc/gmp --enable-threads=posix --enable-debug=no

--disable-nls --without-cloog --without-ppl

--enable-languages=c,c++,objc,java,ada,obj-c++

Thread model: posix

gcc version 4.8.0 20121103 (experimental) [trunk revision 193124] (GCC)

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