constraints.md (wF constraint): New constraints for power9/toc fusion.

constraints.md (wF constraint): New constraints for power9/toc fusion.

[gcc]
2015-11-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/constraints.md (wF constraint): New constraints
	for power9/toc fusion.
	(wG constraint): Likewise.

	* config/rs6000/predicates.md (u6bit_cint_operand): New
	predicate, recognize 0..63.
	(upper16_cint_operand): New predicate for power9 and toc fusion.
	(fpr_reg_operand): Likewise.
	(toc_fusion_or_p9_reg_operand): Likewise.
	(toc_fusion_mem_raw): Likewise.
	(toc_fusion_mem_wrapped): Likewise.
	(fusion_gpr_addis): If power9 fusion, allow fusion for a larger
	address range.
	(fusion_gpr_mem_combo): Delete, use fusion_addis_mem_combo_load
	instead.
	(fusion_addis_mem_combo_load): Add support for power9 fusion of
	floating point loads, floating point stores, and gpr stores.
	(fusion_addis_mem_combo_store): Likewise.
	(fusion_offsettable_mem_operand): Likewise.

	* config/rs6000/rs6000-protos.h (emit_fusion_addis): Add
	declarations.
	(emit_fusion_load_store): Likewise.
	(fusion_p9_p): Likewise.
	(expand_fusion_p9_load): Likewise.
	(expand_fusion_p9_store): Likewise.
	(emit_fusion_p9_load): Likewise.
	(emit_fusion_p9_store): Likewise.
	(fusion_wrap_memory_address): Likewise.

	* config/rs6000/rs6000.c (struct rs6000_reg_addr): Add new
	elements for power9 fusion.
	(rs6000_debug_print_mode): Rework debug information to print more
	information about fusion.
	(rs6000_init_hard_regno_mode_ok): Setup for power9 fusion
	support.
	(rs6000_legitimate_address_p): Recognize toc fusion as a valid
	offsettable memory address.
	(rs6000_rtx_costs): Update costs for new ISA 3.0 instructions.
	(emit_fusion_gpr_load): Move most of the code from
	emit_fusion_gpr_load into emit_fusion-addis that handles both
	power8 and power9 fusion.
	(emit_fusion_addis): Likewise.
	(emit_fusion_load_store): Likewise.
	(fusion_wrap_memory_address): Add support for TOC fusion.
	(fusion_split_address): Likewise.
	(fusion_p9_p): Add support for power9 fusion.
	(expand_fusion_p9_load): Likewise.
	(expand_fusion_p9_store): Likewise.
	(emit_fusion_p9_load): Likewise.
	(emit_fusion_p9_store): Likewise.

	* config/rs6000/rs6000.h (TARGET_EXTSWSLI): Macros for support for
	new instructions in ISA 3.0.
	(TARGET_CTZ): Likewise.
	(TARGET_TOC_FUSION_INT): Macros for power9 fusion support.
	(TARGET_TOC_FUSION_FP): Likewise.

	* config/rs6000/rs6000.md (UNSPEC_FUSION_P9): New power9/toc
	fusion unspecs.
	(UNSPEC_FUSION_ADDIS): Likewise.
	(QHSI mode iterator): New iterator for power9 fusion.
	(GPR_FUSION): Likewise.
	(FPR_FUSION): Likewise.
	(mod<mode>3): Add support for ISA 3.0
	modulus instructions.
	(umod<mode>3): Likewise.
	(divmod peephole): Likewise.
	(udivmod peephole): Likewise.
	(ctz<mode>2): Add support for ISA 3.0 count trailing zeros scalar
	instructions.
	(ctz<mode>2_h): Likewise.
	(ashdi3_extswsli): Add support for ISA 3.0 EXTSWSLI instruction.
	(ashdi3_extswsli_dot): Likewise.
	(ashdi3_extswsli_dot2): Likewise.
	(power9 fusion splitter): New power9/toc fusion support.
	(toc_fusionload_<mode>): Likewise.
	(toc_fusionload_di): Likewise.
	(fusion_gpr_load_<mode>): Update predicate function.
	(power9 fusion peephole2s): New power9/toc fusion support.
	(fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
	(fusion_gpr_<P:mode>_<GPR_FUSION:mode>_store): Likewise.
	(fusion_fpr_<P:mode>_<FPR_FUSION:mode>_load): Likewise.
	(fusion_fpr_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
	(fusion_p9_<mode>_constant): Likewise.

[gcc/testsuite]
2015-11-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* lib/target-supports.exp (check_p8vector_hw_available): Split
	long line.
	(check_vsx_hw_available): Likewise.
	(check_p9vector_hw_available): Add new checks for ISA 3.0 hardware
	support and for PowerPC float128 support.
	(check_p9modulo_hw_available): Likewise.
	(check_ppc_float128_sw_available): Likewise.
	(check_ppc_float128_hw_available): Likewise.
	(check_effective_target_powerpc_p9vector_ok): Likewise.
	(check_effective_target_powerpc_p9modulo_ok): Likewise.
	(check_effective_target_powerpc_float128_sw_ok): Likewise.
	(check_effective_target_powerpc_float128_hw_ok): Likewise.
	(is-effective-target): Add new PowerPc targets.
	(is-effective-target-keyword): Likewise.
	(check_vect_support_and_set_flags): If we have ISA 3.0 vector
	instructions, use it.

	* gcc.target/powerpc/mod-1.c: New test for ISA 3.0 instructions.
	* gcc.target/powerpc/mod-2.c: Likewise.
	* gcc.target/powerpc/ctz-1.c: Likewise.
	* gcc.target/powerpc/ctz-2.c: Likewise.
	* gcc.target/powerpc/extswsli-1.c: Likewise.
	* gcc.target/powerpc/extswsli-2.c: Likewise.
	* gcc.target/powerpc/extswsli-3.c: Likewise.

	* gcc.target/powerpc/fusion.c (fusion_vector): Move to fusion2.c
	and allow the test on PowerPC LE.
	* gcc.target/powerpc/fusion2.c (fusion_vector): Likewise.
	* gcc.target/powerpc/fusion3.c: New file, test power9 fusion.

	* gcc.target/powerpc/float128-call.c: Use powerpc_float128_sw_ok
	check instead of powerpc_vsx_ok.
	* gcc.target/powerpc/float128-mix.c: Likewise.

From-SVN: r230066