[{"id":1762430,"web_url":"http://patchwork.ozlabs.org/comment/1762430/","msgid":"<7ca91fef-ae09-7172-05be-75a0374439ae@redhat.com>","list_archive_url":null,"date":"2017-09-04T05:48:17","subject":"Re: Turn HARD_REGNO_CALL_PART_CLOBBERED into a target hook","submitter":{"id":4400,"url":"http://patchwork.ozlabs.org/api/people/4400/","name":"Jeff Law","email":"law@redhat.com"},"content":"On 08/28/2017 02:39 AM, Richard Sandiford wrote:\n> The SVE patches change the size of a machine_mode from a compile-time\n> constant to a runtime invariant. However, target-specific code can\n> continue to treat the modes as constant-sized if the target only has\n> constant-sized modes.\n> \n> The main snag with this approach is that target-independent code still\n> uses macros from the target .h file. This patch is one of several that\n> converts a target macro to a hook.\n> \n> Tested on aarch64-linux-gnu, x86_64-linux-gnu and powerpc64le-linux-gnu.\n> Also tested by checking that there were no extra warnings or changes in\n> testsuite assembly output for at least one target per CPU. OK to install?\n> \n> Richard\n> \n> \n> 2017-08-28 Richard Sandiford \n> \t Alan Hayward \n> \t David Sherwood \n> \n> gcc/\n> \t* target.def (hard_regno_call_part_clobbered): New hook.\n> \t* doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.\n> \t* doc/tm.texi: Regenerate.\n> \t* hooks.h (hook_bool_uint_mode_false): Declare.\n> \t* hooks.c (hook_bool_uint_mode_false): New function.\n> \t* regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* cselib.c (cselib_process_insn): Use\n> \ttargetm.hard_regno_call_part_clobbered instead of\n> \tHARD_REGNO_CALL_PART_CLOBBERED.\n> \t* ira-conflicts.c (ira_build_conflicts): Likewise.\n> \t* ira-costs.c (ira_tune_allocno_costs): Likewise.\n> \t* lra-constraints.c (need_for_call_save_p): Likewise.\n> \t* lra-lives.c: Include target.h.\n> \t(check_pseudos_live_through_calls): Use\n> \ttargetm.hard_regno_call_part_clobbered instead of\n> \tHARD_REGNO_CALL_PART_CLOBBERED.\n> \t* regcprop.c: Include target.h.\n> \t(copyprop_hardreg_forward_1): Use\n> \ttargetm.hard_regno_call_part_clobbered instead of\n> \tHARD_REGNO_CALL_PART_CLOBBERED.\n> \t* reginfo.c (choose_hard_reg_mode): Likewise.\n> \t* regrename.c (check_new_reg_p): Likewise.\n> \t* reload.c (find_equiv_reg): Likewise.\n> \t* reload1.c (emit_reload_insns): Likewise.\n> \t* sched-deps.c (deps_analyze_insn): Likewise.\n> \t* sel-sched.c (init_regs_for_mode): Likewise.\n> \t(mark_unavailable_hard_regs): Likewise.\n> \t* targhooks.c (default_dwarf_frame_reg_mode): Likewise.\n> \t* config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):\n> \tNew function.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):\n> \tDelete.\n> \t* config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static\n> \tand return a bool.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New\n> \tfunction.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* config/mips/mips.c (mips_hard_regno_call_part_clobbered): New\n> \tfunction.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):\n> \tDelete.\n> \t* config/powerpcspe/powerpcspe.c\n> \t(rs6000_hard_regno_call_part_clobbered): New function.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):\n> \tNew function.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* config/s390/s390.c (s390_hard_regno_call_part_clobbered): New\n> \tfunction.\n> \t(TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.\n> \t* config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.\n> \t* system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.\nOK.\n\njeff","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","mailing list gcc-patches@gcc.gnu.org"],"Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; 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