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From: Edwin Lu <ewlu@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-8673] RISC-V: Add vector related pipelines Date: Thu, 1 Feb 2024 01:32:56 +0000 (GMT) [thread overview] Message-ID: <20240201013256.67EB9385843A@sourceware.org> (raw) https://gcc.gnu.org/g:e56fb037d9d265682f5e7217d8a4c12a8d3fddf8 commit r14-8673-ge56fb037d9d265682f5e7217d8a4c12a8d3fddf8 Author: Edwin Lu <ewlu@rivosinc.com> Date: Wed Jan 31 10:43:09 2024 -0800 RISC-V: Add vector related pipelines Creates new generic vector pipeline file common to all cpu tunes. Moves all vector related pipelines from generic-ooo to generic-vector-ooo. Creates new vector crypto related insn reservations. gcc/ChangeLog: * config/riscv/generic-ooo.md (generic_ooo): Move reservation (generic_ooo_vec_load): ditto (generic_ooo_vec_store): ditto (generic_ooo_vec_loadstore_seg): ditto (generic_ooo_vec_alu): ditto (generic_ooo_vec_fcmp): ditto (generic_ooo_vec_imul): ditto (generic_ooo_vec_fadd): ditto (generic_ooo_vec_fmul): ditto (generic_ooo_crypto): ditto (generic_ooo_perm): ditto (generic_ooo_vec_reduction): ditto (generic_ooo_vec_ordered_reduction): ditto (generic_ooo_vec_idiv): ditto (generic_ooo_vec_float_divsqrt): ditto (generic_ooo_vec_mask): ditto (generic_ooo_vec_vesetvl): ditto (generic_ooo_vec_setrm): ditto (generic_ooo_vec_readlen): ditto * config/riscv/riscv.md: include generic-vector-ooo * config/riscv/generic-vector-ooo.md: New file. to here Signed-off-by: Edwin Lu <ewlu@rivosinc.com> Co-authored-by: Robin Dapp <rdapp.gcc@gmail.com> Diff: --- gcc/config/riscv/generic-ooo.md | 127 +---------------------------- gcc/config/riscv/generic-vector-ooo.md | 143 +++++++++++++++++++++++++++++++++ gcc/config/riscv/riscv.md | 1 + 3 files changed, 145 insertions(+), 126 deletions(-) diff --git a/gcc/config/riscv/generic-ooo.md b/gcc/config/riscv/generic-ooo.md index ef8cb96daf49..4e8297bf96f0 100644 --- a/gcc/config/riscv/generic-ooo.md +++ b/gcc/config/riscv/generic-ooo.md @@ -1,5 +1,5 @@ ;; RISC-V generic out-of-order core scheduling model. -;; Copyright (C) 2017-2024 Free Software Foundation, Inc. +;; Copyright (C) 2023-2024 Free Software Foundation, Inc. ;; ;; This file is part of GCC. ;; @@ -48,9 +48,6 @@ ;; Integer/float issue queues. (define_cpu_unit "issue0,issue1,issue2,issue3,issue4" "generic_ooo") -;; Separate issue queue for vector instructions. -(define_cpu_unit "generic_ooo_vxu_issue" "generic_ooo") - ;; Integer/float execution units. (define_cpu_unit "ixu0,ixu1,ixu2,ixu3" "generic_ooo") (define_cpu_unit "fxu0,fxu1" "generic_ooo") @@ -58,12 +55,6 @@ ;; Integer subunit for division. (define_cpu_unit "generic_ooo_div" "generic_ooo") -;; Vector execution unit. -(define_cpu_unit "generic_ooo_vxu_alu" "generic_ooo") - -;; Vector subunit that does mult/div/sqrt. -(define_cpu_unit "generic_ooo_vxu_multicycle" "generic_ooo") - ;; Shortcuts (define_reservation "generic_ooo_issue" "issue0|issue1|issue2|issue3|issue4") (define_reservation "generic_ooo_ixu_alu" "ixu0|ixu1|ixu2|ixu3") @@ -92,25 +83,6 @@ (eq_attr "type" "fpstore")) "generic_ooo_issue,generic_ooo_fxu") -;; Vector load/store -(define_insn_reservation "generic_ooo_vec_load" 6 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vlde,vldm,vlds,vldux,vldox,vldff,vldr")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -(define_insn_reservation "generic_ooo_vec_store" 6 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vste,vstm,vsts,vstux,vstox,vstr")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector segment loads/stores. -(define_insn_reservation "generic_ooo_vec_loadstore_seg" 10 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vlsegde,vlsegds,vlsegdux,vlsegdox,vlsegdff,\ - vssegte,vssegts,vssegtux,vssegtox")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - - ;; Generic integer instructions. (define_insn_reservation "generic_ooo_alu" 1 (and (eq_attr "tune" "generic_ooo") @@ -191,103 +163,6 @@ (eq_attr "type" "cpop,clmul")) "generic_ooo_issue,generic_ooo_ixu_alu") -;; Regular vector operations and integer comparisons. -(define_insn_reservation "generic_ooo_vec_alu" 3 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vialu,viwalu,vext,vicalu,vshift,vnshift,viminmax,vicmp,\ - vimov,vsalu,vaalu,vsshift,vnclip,vmov,vfmov,vector")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector float comparison, conversion etc. -(define_insn_reservation "generic_ooo_vec_fcmp" 3 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vfrecp,vfminmax,vfcmp,vfsgnj,vfclass,vfcvtitof,\ - vfcvtftoi,vfwcvtitof,vfwcvtftoi,vfwcvtftof,vfncvtitof,\ - vfncvtftoi,vfncvtftof")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector integer multiplication. -(define_insn_reservation "generic_ooo_vec_imul" 4 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vimul,viwmul,vimuladd,viwmuladd,vsmul")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector float addition. -(define_insn_reservation "generic_ooo_vec_fadd" 4 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vfalu,vfwalu")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector float multiplication and FMA. -(define_insn_reservation "generic_ooo_vec_fmul" 6 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vfmul,vfwmul,vfmuladd,vfwmuladd")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector crypto, assumed to be a generic operation for now. -(define_insn_reservation "generic_ooo_crypto" 4 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "crypto")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector permute. -(define_insn_reservation "generic_ooo_perm" 3 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vimerge,vfmerge,vslideup,vslidedown,vislide1up,\ - vislide1down,vfslide1up,vfslide1down,vgather,vcompress")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector reduction. -(define_insn_reservation "generic_ooo_vec_reduction" 8 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vired,viwred,vfredu,vfwredu")) - "generic_ooo_vxu_issue,generic_ooo_vxu_multicycle") - -;; Vector ordered reduction, assume the latency number is for -;; a 128-bit vector. It is scaled in riscv_sched_adjust_cost -;; for larger vectors. -(define_insn_reservation "generic_ooo_vec_ordered_reduction" 10 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vfredo,vfwredo")) - "generic_ooo_vxu_issue,generic_ooo_vxu_multicycle*3") - -;; Vector integer division, assume not pipelined. -(define_insn_reservation "generic_ooo_vec_idiv" 16 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vidiv")) - "generic_ooo_vxu_issue,generic_ooo_vxu_multicycle*3") - -;; Vector float divisions and sqrt, assume not pipelined. -(define_insn_reservation "generic_ooo_vec_float_divsqrt" 16 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vfdiv,vfsqrt")) - "generic_ooo_vxu_issue,generic_ooo_vxu_multicycle*3") - -;; Vector mask operations. -(define_insn_reservation "generic_ooo_vec_mask" 2 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vmalu,vmpop,vmffs,vmsfs,vmiota,vmidx,vimovvx,vimovxv,\ - vfmovvf,vfmovfv")) - "generic_ooo_vxu_issue,generic_ooo_vxu_alu") - -;; Vector vsetvl. -(define_insn_reservation "generic_ooo_vec_vesetvl" 1 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "vsetvl,vsetvl_pre")) - "generic_ooo_vxu_issue") - -;; Vector rounding mode setters, assume pipeline barrier. -(define_insn_reservation "generic_ooo_vec_setrm" 20 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "wrvxrm,wrfrm")) - "generic_ooo_vxu_issue,generic_ooo_vxu_issue*3") - -;; Vector read vlen/vlenb. -(define_insn_reservation "generic_ooo_vec_readlen" 4 - (and (eq_attr "tune" "generic_ooo") - (eq_attr "type" "rdvlenb,rdvl")) - "generic_ooo_vxu_issue,generic_ooo_vxu_issue") - ;; Transfer from/to coprocessor. Assume not pipelined. (define_insn_reservation "generic_ooo_xfer" 4 (and (eq_attr "tune" "generic_ooo") diff --git a/gcc/config/riscv/generic-vector-ooo.md b/gcc/config/riscv/generic-vector-ooo.md new file mode 100644 index 000000000000..96cb1a0be297 --- /dev/null +++ b/gcc/config/riscv/generic-vector-ooo.md @@ -0,0 +1,143 @@ +;; Copyright (C) 2024-2024 Free Software Foundation, Inc. + +;; This file is part of GCC. + +;; GCC is free software; you can redistribute it and/or modify it +;; under the terms of the GNU General Public License as published +;; by the Free Software Foundation; either version 3, or (at your +;; option) any later version. + +;; GCC is distributed in the hope that it will be useful, but WITHOUT +;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public +;; License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GCC; see the file COPYING3. If not see +;; <http://www.gnu.org/licenses/>. +;; Vector load/store + +(define_automaton "vector_ooo") + +;; Separate issue queue for vector instructions. +(define_cpu_unit "vxu_ooo_issue" "vector_ooo") + +;; Vector execution unit. +(define_cpu_unit "vxu_ooo_alu" "vector_ooo") + +;; Vector subunit that does mult/div/sqrt. +(define_cpu_unit "vxu_ooo_multicycle" "vector_ooo") + +(define_insn_reservation "vec_load" 6 + (eq_attr "type" "vlde,vldm,vlds,vldux,vldox,vldff,vldr") + "vxu_ooo_issue,vxu_ooo_alu") + +(define_insn_reservation "vec_store" 6 + (eq_attr "type" "vste,vstm,vsts,vstux,vstox,vstr") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector segment loads/stores. +(define_insn_reservation "vec_loadstore_seg" 10 + (eq_attr "type" "vlsegde,vlsegds,vlsegdux,vlsegdox,vlsegdff,\ + vssegte,vssegts,vssegtux,vssegtox") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Regular vector operations and integer comparisons. +(define_insn_reservation "vec_alu" 3 + (eq_attr "type" "vialu,viwalu,vext,vicalu,vshift,vnshift,viminmax,vicmp,\ + vimov,vsalu,vaalu,vsshift,vnclip,vmov,vfmov,vector,\ + vandn,vbrev,vbrev8,vrev8,vclz,vctz,vrol,vror,vwsll") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector float comparison, conversion etc. +(define_insn_reservation "vec_fcmp" 3 + (eq_attr "type" "vfrecp,vfminmax,vfcmp,vfsgnj,vfclass,vfcvtitof,\ + vfcvtftoi,vfwcvtitof,vfwcvtftoi,vfwcvtftof,vfncvtitof,\ + vfncvtftoi,vfncvtftof") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector integer multiplication. +(define_insn_reservation "vec_imul" 4 + (eq_attr "type" "vimul,viwmul,vimuladd,viwmuladd,vsmul,vclmul,vclmulh,\ + vghsh,vgmul") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector float addition. +(define_insn_reservation "vec_fadd" 4 + (eq_attr "type" "vfalu,vfwalu") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector float multiplication and FMA. +(define_insn_reservation "vec_fmul" 6 + (eq_attr "type" "vfmul,vfwmul,vfmuladd,vfwmuladd") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector crypto, assumed to be a generic operation for now. +(define_insn_reservation "vec_crypto" 4 + (eq_attr "type" "crypto") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector crypto, AES +(define_insn_reservation "vec_crypto_aes" 4 + (eq_attr "type" "vaesef,vaesem,vaesdf,vaesdm,vaeskf1,vaeskf2,vaesz") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector crypto, sha +(define_insn_reservation "vec_crypto_sha" 4 + (eq_attr "type" "vsha2ms,vsha2ch,vsha2cl") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector crypto, SM3/4 +(define_insn_reservation "vec_crypto_sm" 4 + (eq_attr "type" "vsm4k,vsm4r,vsm3me,vsm3c") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector permute. +(define_insn_reservation "vec_perm" 3 + (eq_attr "type" "vimerge,vfmerge,vslideup,vslidedown,vislide1up,\ + vislide1down,vfslide1up,vfslide1down,vgather,vcompress") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector reduction. +(define_insn_reservation "vec_reduction" 8 + (eq_attr "type" "vired,viwred,vfredu,vfwredu") + "vxu_ooo_issue,vxu_ooo_multicycle") + +;; Vector ordered reduction, assume the latency number is for +;; a 128-bit vector. It is scaled in riscv_sched_adjust_cost +;; for larger vectors. +(define_insn_reservation "vec_ordered_reduction" 10 + (eq_attr "type" "vfredo,vfwredo") + "vxu_ooo_issue,vxu_ooo_multicycle*3") + +;; Vector integer division, assume not pipelined. +(define_insn_reservation "vec_idiv" 16 + (eq_attr "type" "vidiv") + "vxu_ooo_issue,vxu_ooo_multicycle*3") + +;; Vector float divisions and sqrt, assume not pipelined. +(define_insn_reservation "vec_float_divsqrt" 16 + (eq_attr "type" "vfdiv,vfsqrt") + "vxu_ooo_issue,vxu_ooo_multicycle*3") + +;; Vector mask operations. +(define_insn_reservation "vec_mask" 2 + (eq_attr "type" "vmalu,vmpop,vmffs,vmsfs,vmiota,vmidx,vimovvx,vimovxv,\ + vfmovvf,vfmovfv") + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector vsetvl. +(define_insn_reservation "vec_vesetvl" 1 + (eq_attr "type" "vsetvl,vsetvl_pre") + "vxu_ooo_issue") + +;; Vector rounding mode setters, assume pipeline barrier. +(define_insn_reservation "vec_setrm" 20 + (eq_attr "type" "wrvxrm,wrfrm") + "vxu_ooo_issue,vxu_ooo_issue*3") + +;; Vector read vlen/vlenb. +(define_insn_reservation "vec_readlen" 4 + (eq_attr "type" "rdvlenb,rdvl") + "vxu_ooo_issue,vxu_ooo_issue") + diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md index c5be1b25a8a8..53d11a876b94 100644 --- a/gcc/config/riscv/riscv.md +++ b/gcc/config/riscv/riscv.md @@ -3847,6 +3847,7 @@ (include "generic.md") (include "sifive-7.md") (include "thead.md") +(include "generic-vector-ooo.md") (include "generic-ooo.md") (include "vector.md") (include "vector-crypto.md")
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