[Bug fortran/30981] [4.2, 4.1 only] a ** exp fails for integer exponents if exp is "-huge()-1" (endless loop)

[tkoenig at gcc dot gnu dot org]

------- Comment #16 from tkoenig at gcc dot gnu dot org  2007-03-08 19:27 -------
Subject: Bug 30981

Author: tkoenig
Date: Thu Mar  8 19:26:55 2007
New Revision: 122708

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122708
Log:
2007-03-08  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/30981
        Backport from trunk.
        * m4/pow_m4: Use appropriate unsigned int type for u.
        * generated/pow_c10_i16.c: Regenerated.
        * generated/pow_c10_i4.c: Regenerated.
        * generated/pow_c10_i8.c: Regenerated.
        * generated/pow_c16_i16.c: Regenerated.
        * generated/pow_c16_i4.c: Regenerated.
        * generated/pow_c16_i8.c: Regenerated.
        * generated/pow_c4_i16.c: Regenerated.
        * generated/pow_c4_i4.c: Regenerated.
        * generated/pow_c4_i8.c: Regenerated.
        * generated/pow_c8_i16.c: Regenerated.
        * generated/pow_c8_i4.c: Regenerated.
        * generated/pow_c8_i8.c: Regenerated.
        * generated/pow_i16_i16.c: Regenerated.
        * generated/pow_i16_i4.c: Regenerated.
        * generated/pow_i16_i8.c: Regenerated.
        * generated/pow_i4_i16.c: Regenerated.
        * generated/pow_i4_i4.c: Regenerated.
        * generated/pow_i4_i8.c: Regenerated.
        * generated/pow_i8_i16.c: Regenerated.
        * generated/pow_i8_i4.c: Regenerated.
        * generated/pow_i8_i8.c: Regenerated.
        * generated/pow_r10_i16.c: Regenerated.
        * generated/pow_r10_i4.c: Regenerated.
        * generated/pow_r10_i8.c: Regenerated.
        * generated/pow_r16_i16.c: Regenerated.
        * generated/pow_r16_i4.c: Regenerated.
        * generated/pow_r16_i8.c: Regenerated.
        * generated/pow_r4_i16.c: Regenerated.
        * generated/pow_r4_i4.c: Regenerated.
        * generated/pow_r4_i8.c: Regenerated.
        * generated/pow_r8_i16.c: Regenerated.
        * generated/pow_r8_i4.c: Regenerated.
        * generated/pow_r8_i8.c: Regenerated.

2007-03-08  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/30981
        Backport from trunk.
        * gfortran.dg/integer_exponentiation_1.f90:  New test.


Added:
   
branches/gcc-4_2-branch/gcc/testsuite/gfortran.dg/integer_exponentiation_1.f90
Modified:
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_2-branch/libgfortran/ChangeLog
    branches/gcc-4_2-branch/libgfortran/generated/pow_c10_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c10_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c10_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c16_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c16_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c16_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c4_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c4_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c4_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c8_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c8_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_c8_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i16_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i16_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i16_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i4_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i4_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i4_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i8_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i8_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_i8_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r10_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r10_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r10_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r16_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r16_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r16_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r4_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r4_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r4_i8.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r8_i16.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r8_i4.c
    branches/gcc-4_2-branch/libgfortran/generated/pow_r8_i8.c
    branches/gcc-4_2-branch/libgfortran/m4/pow.m4


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30981