s390.md (prologue, [...]): New.
* s390.md (prologue, epilogue, *return_si, *return_di): New. s390.c (find_unused_clobbered_reg, s390_frame_info, save_fpr, restore_fpr, s390_emit_prologue, s390_emit_epilogue): New. s390-protos.h (s390_emit_prologue, s390_emit_epilogue): Declare. s390.c (s390_arg_frame_offset): Use s390_frame_info. (leaf_function_flag, cur_is_leaf_function, save_fprs, restore_fprs, force_const_mem_late): Remove. (s390_function_prologue, s390_function_epilogue): Mostly remove. s390.md (lit): New. Uses ... s390.c (s390_output_constant_pool): ... this, so adapt and make global. s390-protos.h (s390_output_constant_pool): Declare. s390.md (load_multiple, store_multiple): Allow use after reload. s390.c (load_multiple_operation, store_multiple_operation): Likewise. s390.h (INCOMING_FRAME_SP_OFFSET): Define. s390.h (CALL_REALLY_USED_REGISTERS): Define. config/s390/linux64.h (CALL_USED_REGISTERS): Remove, now handled ... s390.h (CONDITIONAL_REGISTER_USAGE): ... here. s390.c (s390_sr_alias_set): New global variable, initialized ... (override_options): ... here. New. s390-protos.h (override_options): Declare. s390.h (OVERRIDE_OPTIONS): Call it. s390.c (s390_function_profiler): New. s390-protos.h (s390_function_profiler): Declare. s390.h (FUNCTION_PROFILER): Call it. s390.c (s390_profile): Remove. * s390.c (reg_used_in_mem_p): PC reload counts as memory access. (addr_generation_dependency_p): Consider literal pool register loads. (s390_adjust_priority): Do not schedule load_multiple. s390.md (attribute "type"): Define some additional types. (function_unit "integer"): Adapt. (many insns): Adapt "type" attribute setting. * s390.c (general_s_operand, s_imm_operand): New. (s_operand): Remove old definition, call general_s_operand instead. s390-protos.h (s_imm_operand): Declare. s390.c (base_n_index_p, r_or_s_operand, r_or_s_or_im8_operand, r_or_x_or_im16_operand, r_or_im8_operand): Remove. s390-protos.h (r_or_s_operand, r_or_s_or_im8_operand, r_or_x_or_im16_operand, r_or_im8_operand): Likewise. s390.h (PREDICATE_CODES): Add s_imm_operand, remove r_or_s*_operand. s390.md (many insns): Rework insn predicates. * s390.c (legitimate_pic_operand_p, legitimate_constant_p): Accept all non-symbolic constants. Reload will force them because of ... (s390_preferred_reload_class): ... this. New. s390-protos.h (s390_preferred_reload_class): Declare. s390.h (PREFERRED_RELOAD_CLASS): Call it. s390.md (movdi, movsi, movdf, movsf, *reload_la_64 splitters, *reload_la_31 splitters): Handle constants after reload. (many insns): no longer force all constants immediately. s390.c (legitimate_reload_constant_p): New helper routine. s390-protos.h (legitimate_reload_constant_p): Declare. s390.c (print_operand): Clean up CONST_INT case, add CONST_DOUBLE case. * s390.h (FIRST_PSEUDO_REGISTER, FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM, REGISTER_NAMES): Add virtual frame pointer. (CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS): Update. (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Likewise. (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_NONSTRICT_P): Likewise. (DWARF_FRAME_REGISTERS): Define. s390.c (regclass_map): Add virtual frame pointer. (legitimate_la_operand_p): Allow use of virtual frame pointer. s390.md (*la_ccclobber, *addaddr_ccclobber): New. (addaddr, addsi_64): Delete. * s390.h (HARD_REGNO_MODE_OK): Allow SImode and DImode values in floating point registers. (CLASS_CANNOT_CHANGE_MODE, CLASS_CANNOT_CHANGE_MODE_P): Define. (ADDR_FP_REGS, GENERAL_FP_REGS): New register classes. (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update. * s390.md (movti): Replace multi-insn output with splitters. (movdi_31, movdf_31): Likewise. (movti_ss, movdi_ss, movsi_ss, movdf_ss, movsf_ss): New. (movdi_lhi, movdi_lli, movdi_larl, movsi_lhi, movsi_lli): New. (movdi_64, movdi_31, movsi, movdf_64, movdf_31): Adapt. (movdf_soft_64, movdf_soft_31, movsf_soft): Remove. (movsf_64, movsf_31): Remove, replace by ... (movsf): ... this. (movqi_64): Use lhi instead of llill. (*movstrictqi, *movstricthi): Don't use (strict_low_part (mem)). * s390.md (extendsidi2, *extendsidi2, extendhidi2, *extendhidi2, extendqidi2, extendhisi2, *extendhisi2, extendqisi2, extendqihi2 and associated splitters): Reworked. (zero_extendsidi2, zero_extendsidi2, *zero_extendsidi2, zero_extendhidi2, *zero_extendhidi2, zero_extendqidi2, zero_extendqidi2, *zero_extendqidi2, zero_extendhisi2, *zero_extendhisi2_64, zero_extendhisi2_31, zero_extendqisi2, *zero_extendqisi2_64, *zero_extendqisi2_mem_31, zero_extendqisi2_reg_31, zero_extendqihi2, *zero_extendqisi2_64, zero_extendqihi2, zero_extendqihi2_64, zero_extendqihi2_31, and associated splitters): Likewise. (*sethighqisi, *sethighhisi, *sethighqidi_64, *sethighqidi_31 and associated splitters): New. (truncdisi2, truncdihi2, truncdiqi2, truncsihi2, do_truncsihi2, *truncsihi2_64, truncsiqi2, trunchiqi2): Remove. (ashlhi3, ashrhi3, lshrhi3, abshi3): Remove. s390.h (PROMOTE_PROTOTYPES): Remove. config/s390/linux64.h (PROMOTE_PROTOTYPES): Likewise. * s390.md (muldi3): Delete, use instead ... (mulsidi3): ... this. (*muldi3_64): Rename to muldi3. (mulsi_6432): Fix template. (divdi3, moddi3): Delete, replace by ... (divmoddi4): ... this. (divmodtidi3): Fix template. (divmodtisi3): New. (udivdi3, umoddi3): Delete, replace by ... (udivmoddi4): ... this. (udivmodtidi3): Fix template. (divsi3, modsi3): Delete, replace by ... (divmodsi4): ... this. (divmoddisi3): Fix template. (udivsi3, umodsi3): Adapt. * s390.md (anddi3): Remove SS alternative, use instead ... (anddi3_ss, anddi3_ss_inv): ... these. (anddi3_ni): New. (andsi3*, andhi3*, andqi3*): Likewise. (iordi3): Remove SS alternative, use instead ... (iordi3_ss, iordi3_ss_inv): ... these. (iordi3_oi): New. (iorsi3*, iorhi3*, iorqi3*): Likewise. (iordi3_cc, iordi3_cconly, iorsi3_cc, iorsi3_cconly): New. (xordi3): Remove SS alternative, use instead ... (xordi3_ss, xordi3_ss_inv): ... these. (xordi3_oi): New. (xorsi3*, xorhi3*, xorqi3*): Likewise. (xordi3_cc, xordi3_cconly, xorsi3_cc, xorsi3_cconly): New. (one_cmpldi2, one_cmplsi2, one_cmplhi2, one_cmplqi2): Expand to XOR with -1. (*one_cmpldi2, *one_cmplsi2, *one_cmplhi2): Remove. (cmpdi_tm): Delete, replace by ... (cmpdi_tm_reg, cmpdi_tm_mem): ... these. (cmpsi_cct): Delete, replace by ... (cmpsi_tm_reg, cmpsi_tm_mem): ... these. (cmpdi_tm2, cmpsi_tm2): Improve. (cmphi_tm_sub, cmpqi_tm_sub, cmpqi_tm2, cmpqi_tm): New. s390.c (s390_single_hi, s390_extract_hi, s390_single_qi, s390_extract_qi): New helper routines. s390-protos.h (s390_single_hi, s390_extract_hi, s390_single_qi, s390_extract_qi): Declare. s390.c (tmxx_operand, const1_operand): Remove. s390-protos.h (tmxx_operand, const1_operand): Likewise. s390.h (PREDICATE_CODES): Likewise. * s390.md (sqrtdf2, sqrtsf2): New. * s390.h (CRT_CALL_STATIC_FUNCTION): Define. (check_and_change_labels): Remove section-change special case. * s390.h (RETURN_ADDR_RTX): Fix use of __builtin_return_address in leaf functions. Needs ... (DYNAMIC_CHAIN_RTX): ... this. New. * s390.c (emit_pic_move): Don't generate pseudos if no_new_pseudos. * s390.md (movstrdix_64, movstrsix_31, movstrdi_64, movstrsi_31, clrstrsi_64, clrstrsi_31, cmpstr_64, cmpstr_31): Do not clobber input operands using a match_dup clause. (movstrdi, movstrsi, clrstrdi, clrstrsi, cmpstrdi, cmpstrsi): Adapt. * s390.md (floatdidf2, floatdisf2, floatsidf2, floatsidf2_ieee, floatsisf2, floatsisf2_ieee): Add missing CC clobber. * s390.md (floatsidf2_ibm): Use correct operand. * s390.md (fixuns_truncdfdi2, fixuns_truncdfsi2, fix_truncdfsi2, fixuns_truncsfdi2, fixuns_truncsfsi2, floatsidf2): Remove use of non-portable constants. s390.c (s390_gen_rtx_const_DI): New helper routine. s390-protos.h (s390_gen_rtx_const_DI): Declare. * s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Fix alignment. * config/s390/linux.h (ASM_OUTPUT_SHORT, ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE): Clean up assembly output. (ASM_OUTPUT_SKIP, ASM_OUTPUT_ALIGN): Remove duplicate definitions. (ASM_OUTPUT_ASCII): Remove. * config/s390/t-linux (CRTSTUFF_T_CFLAGS_S): Define. From-SVN: r48058
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