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bh=DGFX+0Jzu/iXypaw6QN4C8gb02mq6OWgbdSsGGhe0Y4=; b=xGoh1QyGcf5JIKsPSY4p3bU/CmJyr00c767+YlBns/vBECQvWuXEVFwW6u3rjWV7yk +RL8c/jKq+d8vQISiuyxX1zA5ZY/qcRGIkfNX7rUvHITLYBXaUhKs6Uj/+QvvhwKhg71 FhHx8UsfkDogTyzYR28tT7m6RF7JsqquC70CklObkkP1tAA2EQOCwukwSTMh7zFEiRGL fZ49rU35qcAHA4sdNBmDl4QcTgc22dmimwxY719S/9zYDOmyj90/0XrTx5g7TDCKUwRf ogNbCLwCsBtk0xCN3H05hs7HVdlj0cHrFFiGbv6ZZxjKxVomBxRMK3w6lVMYFe2pYg8g fMSA== X-Gm-Message-State: AOJu0YypsyDdy5XFBqRftsB5dz4McBuAxPW6VN5H3xP0FNCWJAc2U55P fOg7u/6qntM4dNBUmmHMZetUOyCFij2SvvwT5vVres4Di+o= X-Received: by 2002:a05:6808:1190:b0:3bb:ce01:f118 with SMTP id j16-20020a056808119000b003bbce01f118mr1551611oil.40.1705082937885; Fri, 12 Jan 2024 10:08:57 -0800 (PST) Received: from ewlu.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id k14-20020a056808068e00b003bbea886e13sm660361oig.36.2024.01.12.10.08.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jan 2024 10:08:57 -0800 (PST) From: Edwin Lu To: gcc-patches@gcc.gnu.org Cc: gnu-toolchain@rivosinc.com, Edwin Lu , Robin Dapp Subject: [PATCH V3 2/4] RISC-V: Add vector related pipelines Date: Fri, 12 Jan 2024 10:08:41 -0800 Message-Id: <20240112180844.2005246-3-ewlu@rivosinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240112180844.2005246-1-ewlu@rivosinc.com> References: <20240112180844.2005246-1-ewlu@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787909128795919503 X-GMAIL-MSGID: 1787909128795919503 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. Add temporary attribute for making changes to the vector cost model 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 (no): add temporary attribute * config/riscv/generic-vector-ooo.md: to here Signed-off-by: Edwin Lu Co-authored-by: Robin Dapp --- V2: - Remove unnecessary syntax changes in generic-ooo - Add new vector crypto reservations and types to pipelines V3: - Move all vector pipelines into separate file which defines all ooo vector reservations. - Add temporary attribute while cost model changes. --- gcc/config/riscv/generic-ooo.md | 125 ------------------- gcc/config/riscv/generic-vector-ooo.md | 165 +++++++++++++++++++++++++ gcc/config/riscv/riscv.md | 5 + 3 files changed, 170 insertions(+), 125 deletions(-) create mode 100644 gcc/config/riscv/generic-vector-ooo.md diff --git a/gcc/config/riscv/generic-ooo.md b/gcc/config/riscv/generic-ooo.md index ef8cb96daf4..40e5104cde1 100644 --- a/gcc/config/riscv/generic-ooo.md +++ b/gcc/config/riscv/generic-ooo.md @@ -48,9 +48,6 @@ (define_automaton "generic_ooo") ;; 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 @@ (define_cpu_unit "fxu0,fxu1" "generic_ooo") ;; 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 @@ (define_insn_reservation "generic_ooo_float_store" 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 @@ (define_insn_reservation "generic_ooo_popcount" 2 (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 00000000000..474200ac26d --- /dev/null +++ b/gcc/config/riscv/generic-vector-ooo.md @@ -0,0 +1,165 @@ +;; Copyright (C) 2011-2024 Free Software Foundation, Inc. +;; Contributed by Andrew Waterman (andrew@sifive.com). +;; Based on MIPS target for GNU compiler. + +;; 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 +;; . +;; 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 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "vlde,vldm,vlds,vldux,vldox,vldff,vldr")) + "vxu_ooo_issue,vxu_ooo_alu") + +(define_insn_reservation "vec_store" 6 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "vfalu,vfwalu")) + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector float multiplication and FMA. +(define_insn_reservation "vec_fmul" 6 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "crypto")) + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector crypto, AES +(define_insn_reservation "vec_crypto_aes" 4 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "vsha2ms,vsha2ch,vsha2cl")) + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector crypto, SM3/4 +(define_insn_reservation "vec_crypto_sm" 4 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "vsm4k,vsm4r,vsm3me,vsm3c")) + "vxu_ooo_issue,vxu_ooo_alu") + +;; Vector permute. +(define_insn_reservation "vec_perm" 3 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "vfdiv,vfsqrt")) + "vxu_ooo_issue,vxu_ooo_multicycle*3") + +;; Vector mask operations. +(define_insn_reservation "vec_mask" 2 + (and (eq_attr "is_inorder" "no") + (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 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "vsetvl,vsetvl_pre")) + "vxu_ooo_issue") + +;; Vector rounding mode setters, assume pipeline barrier. +(define_insn_reservation "vec_setrm" 20 + (and (eq_attr "is_inorder" "no") + (eq_attr "type" "wrvxrm,wrfrm")) + "vxu_ooo_issue,vxu_ooo_issue*3") + +;; Vector read vlen/vlenb. +(define_insn_reservation "vec_readlen" 4 + (and (eq_attr "is_inorder" "no") + (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 1ec3e165791..a386d1aa694 100644 --- a/gcc/config/riscv/riscv.md +++ b/gcc/config/riscv/riscv.md @@ -664,6 +664,10 @@ (define_attr "tune" "generic,sifive_7,generic_ooo" (const (symbol_ref "((enum attr_tune) riscv_microarchitecture)"))) +;; In order/Out of order +(define_attr "is_inorder" "no,yes" (const_string "no")) + + ;; Describe a user's asm statement. (define_asm_attributes [(set_attr "type" "multi")]) @@ -3827,6 +3831,7 @@ (define_insn "*large_load_address" (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")