Port testsuite to GCN

Port testsuite to GCN

This collection of miscellaneous patches configures the testsuite to run on AMD
GCN in a standalone (i.e. not offloading) configuration.  It assumes you have
your Dejagnu set up to run binaries via the gcn-run tool.

2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	gcc/
	* doc/sourcebuild.texi: Document dg-add-options sqrt_insn.

	gcc/testsuite/
	* gcc.dg/20020312-2.c: Add amdgcn support.
	* gcc.dg/Wno-frame-address.c: Disable on amdgcn.
	* gcc.dg/builtin-apply2.c: Likewise.
	* gcc.dg/torture/stackalign/builtin-apply-2.c: Likewise.
	* gcc.dg/gimplefe-28.c: Add dg-add-options for sqrt_insn.
	* gcc.dg/intermod-1.c: Add -mlocal-symbol-id on amdgcn.
	* gcc.dg/memcmp-1.c: Increase timeout factor.
	* gcc.dg/pr59605-2.c: Addd -DMAX_COPY=1025 on amdgcn.
	* gcc.dg/sibcall-10.c: xfail on amdgcn.
	* gcc.dg/sibcall-9.c: Likewise.
	* gcc.dg/tree-ssa/gen-vect-11c.c: Likewise.
	* gcc.dg/tree-ssa/pr84512.c: Likewise.
	* gcc.dg/tree-ssa/loop-1.c: Adjust expectations for amdgcn.
	* gfortran.dg/bind_c_array_params_2.f90: Likewise.
	* lib/target-supports.exp (check_effective_target_trampolines):
	Configure amdgcn.
	(check_profiling_available): Likewise.
	(check_effective_target_global_constructor): Likewise.
	(check_effective_target_return_address): Likewise.
	(check_effective_target_fopenacc): Likewise.
	(check_effective_target_fopenmp): Likewise.
	(check_effective_target_vect_int): Likewise.
	(check_effective_target_vect_intfloat_cvt): Likewise.
	(check_effective_target_vect_uintfloat_cvt): Likewise.
	(check_effective_target_vect_floatint_cvt): Likewise.
	(check_effective_target_vect_floatuint_cvt): Likewise.
	(check_effective_target_vect_simd_clones): Likewise.
	(check_effective_target_vect_shift): Likewise.
	(check_effective_target_whole_vector_shift): Likewise.
	(check_effective_target_vect_bswap): Likewise.
	(check_effective_target_vect_shift_char): Likewise.
	(check_effective_target_vect_long): Likewise.
	(check_effective_target_vect_float): Likewise.
	(check_effective_target_vect_double): Likewise.
	(check_effective_target_vect_perm): Likewise.
	(check_effective_target_vect_perm_byte): Likewise.
	(check_effective_target_vect_perm_short): Likewise.
	(check_effective_target_vect_widen_mult_qi_to_hi): Likewise.
	(check_effective_target_vect_widen_mult_hi_to_si): Likewise.
	(check_effective_target_vect_widen_mult_qi_to_hi_pattern): Likewise.
	(check_effective_target_vect_widen_mult_hi_to_si_pattern): Likewise.
	(check_effective_target_vect_natural_alignment): Likewise.
	(check_effective_target_vect_fully_masked): Likewise.
	(check_effective_target_vect_element_align): Likewise.
	(check_effective_target_vect_masked_store): Likewise.
	(check_effective_target_vect_scatter_store): Likewise.
	(check_effective_target_vect_condition): Likewise.
	(check_effective_target_vect_cond_mixed): Likewise.
	(check_effective_target_vect_char_mult): Likewise.
	(check_effective_target_vect_short_mult): Likewise.
	(check_effective_target_vect_int_mult): Likewise.
	(check_effective_target_sqrt_insn): Likewise.
	(check_effective_target_vect_call_sqrtf): Likewise.
	(check_effective_target_vect_call_btrunc): Likewise.
	(check_effective_target_vect_call_btruncf): Likewise.
	(check_effective_target_vect_call_ceil): Likewise.
	(check_effective_target_vect_call_floorf): Likewise.
	(check_effective_target_lto): Likewise.
	(check_vect_support_and_set_flags): Likewise.
	(check_effective_target_vect_stridedN): Enable when fully masked is
	available.
	(add_options_for_sqrt_insn): New procedure.

Co-Authored-By: Julian Brown <julian@codesourcery.com>
Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com>
Co-Authored-By: Tom de Vries <tom@codesourcery.com>
From-SVN: r268028