This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Turn HARD_REGNO_NREGS into a target hook
- From: Jeff Law <law at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org, richard dot sandiford at linaro dot org
- Date: Mon, 11 Sep 2017 16:33:37 -0600
- Subject: Re: Turn HARD_REGNO_NREGS into a target hook
- Authentication-results: sourceware.org; auth=none
- Authentication-results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com
- Authentication-results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=law at redhat dot com
- Dmarc-filter: OpenDMARC Filter v1.3.2 mx1.redhat.com BFCCB129862
- References: <87a821cfwz.fsf@linaro.org>
On 09/11/2017 11:18 AM, Richard Sandiford wrote:
> Tested on aarch64-linux-gnu, x86_64-linux-gnu and powerpc64le-linux-gnu.
> Also tested by comparing the testsuite assembly output on at least one
> target per CPU directory. OK to install?
>
> Richard
>
>
> gcc/
> * target.def (hard_regno_nregs): New hook.
> (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
> * targhooks.h (default_hard_regno_nregs): Declare.
> * targhooks.c (default_hard_regno_nregs): New function.
> * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
> (TARGET_HARD_REGNO_NREGS): ...this hook.
> (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
> (CLASS_MAX_NREGS): Likewise.
> * doc/tm.texi: Regenerate.
> * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
> instead of HARD_REGNO_NREGS.
> * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
> HARD_REGNO_NREGS in the comment.
> * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
> * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
> * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
> Return an unsigned int.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
> * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
> * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (arc_hard_regno_nregs): New function.
> * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
> * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (arm_hard_regno_nregs): New function.
> * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
> * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
> * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
> * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
> (HARD_REGNO_NREGS): Delete.
> * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (cr16_hard_regno_nregs): New function.
> (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
> * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
> * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (cris_hard_regno_nregs): New function.
> * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
> * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
> (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
> * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
> (CLASS_MAX_NREGS): Remove outdated copy of documentation.
> * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
> * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (frv_hard_regno_nregs): Make static. Take and return an
> unsigned int.
> (frv_class_max_nregs): Remove outdated copy of documentation.
> * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
> * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
> * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
> * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
> * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
> * config/i386/i386.c (ix86_hard_regno_nregs): New function.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
> (CLASS_MAX_NREGS): Update comment.
> * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (ia64_hard_regno_nregs): New function.
> * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
> * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
> * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
> * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
> * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
> an unsigned int.
> (m32c_hard_regno_nregs): Likewise. Make static.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
> * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
> * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (m68k_hard_regno_nregs): New function.
> * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
> * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
> * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
> * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
> * config/mips/mips.c (mips_hard_regno_nregs): Make static.
> Take and return an unsigned int.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
> (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
> * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
> * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
> * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
> * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
> * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (msp430_hard_regno_nregs): Make static. Take and return an
> unsigned int.
> * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
> * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
> * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
> (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
> * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
> * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
> * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
> (PA_HARD_REGNO_NREGS): ...this.
> * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
> (PA_HARD_REGNO_NREGS): ...this.
> * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (pa_hard_regno_nregs): New function.
> * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
> * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (pdp11_hard_regno_nregs): New function.
> * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
> * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (rs6000_hard_regno_nregs_hook): New function.
> * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
> * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
> * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
> Take and return an unsigned int. Move earlier in file.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
> * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
> * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
> (rl78_hard_regno_nregs): Make static. Take and return an
> unsigned int.
> * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
> * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (rs6000_hard_regno_nregs_hook): New function.
> * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
> * config/rx/rx.c (rx_hard_regno_nregs): New function.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
> * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
> instead of HARD_REGNO_NREGS.
> (s390_hard_regno_nregs): New function.
> (s390_hard_regno_mode_ok): Add comment from s390.h.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
> * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (sh_hard_regno_nregs): New function.
> (sh_pass_in_reg_p): Use it.
> * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
> * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (sparc_hard_regno_nregs): New function.
> * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
> * config/spu/spu.c (spu_hard_regno_nregs): New function.
> (spu_function_arg_advance): Use it, supplying a valid register number.
> (TARGET_HARD_REGNO_NREGS): Redefine.
> * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
> * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
> * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
> * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
> * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
> * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
> (CLASS_MAX_NREGS): Remove copy of old documentation.
> * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
> (visium_hard_regno_nregs): New function.
> (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
> * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
> * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
> xtensa_hard_regno_nregs): New function.
> * system.h (HARD_REGNO_NREGS): Poison.
OK.
jeff