re PR fortran/32239 (optimize power in loops, use __builtin_powi instead of _gfortran_pow_r4_i4)

gcc/fortran:
	
2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* trans-expr.c (gfc_conv_power_op): Use builtin_powi for
	real**int4 powers.
	* f95-lang.c (gfc_init_builtin_functions): Add builtin_powi to the
	builtins table.

	
libgfortran:
	
2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* Makefile.am: Don't generate real**int4 pow functions.
	* gfortran.map: Remove real**int4 pow symbols.
	* Makefile.in: Regenerated.

testsuite

2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* gfortran.fortran-torture/execute/intrinsic_fraction_exponent.f90
	(test_4): Use proper test for floating point equality.
	(test_8): Likewise.

From-SVN: r126175