trans-intrinsic.c (gfc_conv_intrinsic_sign): New branchless implementation for the SIGN intrinsic with integral operands.


	* trans-intrinsic.c (gfc_conv_intrinsic_sign): New branchless
	implementation for the SIGN intrinsic with integral operands.
	(gfc_conv_intrinsic_minmax): Fix whitespace.

	* gfortran.dg/intrinsic_sign_1.f90: New test case.
	* gfortran.dg/intrinsic_sign_2.f90: Likewise.


Co-Authored-By: Brooks Moses <brooks.moses@codesourcery.com>
Co-Authored-By: Francois-Xavier Coudert <coudert@clipper.ens.fr>

From-SVN: r121009