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[2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id gg11-20020a170906e28b00b009adec4bd96esi488087ejb.299.2023.09.20.20.13.07 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Sep 2023 20:13:08 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org" Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id EA0CF3856948 for ; Thu, 21 Sep 2023 03:12:55 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from zg8tmtu5ljg5lje1ms4xmtka.icoremail.net (zg8tmtu5ljg5lje1ms4xmtka.icoremail.net [159.89.151.119]) by sourceware.org (Postfix) with ESMTP id B2EF43858C54 for ; Thu, 21 Sep 2023 03:12:27 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B2EF43858C54 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from host014-ubuntu-1804.lxd (unknown [10.12.130.31]) by app1 (Coremail) with SMTP id EwgMCgDXdcWWtAtleZJKAA--.63415S4; Thu, 21 Sep 2023 11:12:23 +0800 (CST) From: Li Xu To: gcc-patches@gcc.gnu.org Cc: kito.cheng@gmail.com, palmer@dabbelt.com, juzhe.zhong@rivai.ai, xuli Subject: [PATCH] RISC-V: Optimized for strided load/store with stride == element width[PR111450] Date: Thu, 21 Sep 2023 03:12:21 +0000 Message-Id: <20230921031221.14656-1-xuli1@eswincomputing.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: EwgMCgDXdcWWtAtleZJKAA--.63415S4 X-Coremail-Antispam: 1UD129KBjvAXoWfGw1rZFyruFyDWw4fCFy5twb_yoW8GF47Co Wv9ryDuw15JFy8Cws0k3yrJrykXF45Wr4rJF1jgrWYva1Yqrs8A3srWa9xZry3XryfWa45 Zrn5Aa18CF18tFykn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjp_UUUY87AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E6xAIw20EY4v20xva j40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2 x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8 Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26r xl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj 6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr 0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVCm-wCF 04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r 18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vI r41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr 1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvE x4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUbXdbUUUUUU== X-CM-SenderInfo: 50xoxi46hv4xpqfrz1xxwl0woofrz/ X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_SHORT, SPF_HELO_NONE, SPF_PASS, TXREP 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: 1777615228963976893 X-GMAIL-MSGID: 1777615228963976893 From: xuli When stride == element width, vlsse should be optimized into vle.v. vsse should be optimized into vse.v. PR target/111450 gcc/ChangeLog: *config/riscv/constraints.md (c01): const_int 1. (c02): const_int 2. (c04): const_int 4. (c08): const_int 8. * config/riscv/predicates.md (vector_eew8_stride_operand): New predicate for stride operand. (vector_eew16_stride_operand): Ditto. (vector_eew32_stride_operand): Ditto. (vector_eew64_stride_operand): Ditto. * config/riscv/vector-iterators.md: New iterator for stride operand. * config/riscv/vector.md: Add stride = element width constraint. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/base/pr111450.c: New test. --- gcc/config/riscv/constraints.md | 20 ++++ gcc/config/riscv/predicates.md | 18 ++++ gcc/config/riscv/vector-iterators.md | 87 +++++++++++++++ gcc/config/riscv/vector.md | 42 +++++--- .../gcc.target/riscv/rvv/base/pr111450.c | 100 ++++++++++++++++++ 5 files changed, 250 insertions(+), 17 deletions(-) create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/base/pr111450.c diff --git a/gcc/config/riscv/constraints.md b/gcc/config/riscv/constraints.md index 3f52bc76f67..964fdd450c9 100644 --- a/gcc/config/riscv/constraints.md +++ b/gcc/config/riscv/constraints.md @@ -45,6 +45,26 @@ (and (match_code "const_int") (match_test "ival == 0"))) +(define_constraint "c01" + "Constant value 1." + (and (match_code "const_int") + (match_test "ival == 1"))) + +(define_constraint "c02" + "Constant value 2" + (and (match_code "const_int") + (match_test "ival == 2"))) + +(define_constraint "c04" + "Constant value 4" + (and (match_code "const_int") + (match_test "ival == 4"))) + +(define_constraint "c08" + "Constant value 8" + (and (match_code "const_int") + (match_test "ival == 8"))) + (define_constraint "K" "A 5-bit unsigned immediate for CSR access instructions." (and (match_code "const_int") diff --git a/gcc/config/riscv/predicates.md b/gcc/config/riscv/predicates.md index 4bc7ff2c9d8..7845998e430 100644 --- a/gcc/config/riscv/predicates.md +++ b/gcc/config/riscv/predicates.md @@ -514,6 +514,24 @@ (ior (match_operand 0 "const_0_operand") (match_operand 0 "pmode_register_operand"))) +;; [1, 2, 4, 8] means strided load/store with stride == element width +(define_special_predicate "vector_eew8_stride_operand" + (ior (match_operand 0 "pmode_register_operand") + (and (match_code "const_int") + (match_test "INTVAL (op) == 1 || INTVAL (op) == 0")))) +(define_special_predicate "vector_eew16_stride_operand" + (ior (match_operand 0 "pmode_register_operand") + (and (match_code "const_int") + (match_test "INTVAL (op) == 2 || INTVAL (op) == 0")))) +(define_special_predicate "vector_eew32_stride_operand" + (ior (match_operand 0 "pmode_register_operand") + (and (match_code "const_int") + (match_test "INTVAL (op) == 4 || INTVAL (op) == 0")))) +(define_special_predicate "vector_eew64_stride_operand" + (ior (match_operand 0 "pmode_register_operand") + (and (match_code "const_int") + (match_test "INTVAL (op) == 8 || INTVAL (op) == 0")))) + ;; A special predicate that doesn't match a particular mode. (define_special_predicate "vector_any_register_operand" (match_code "reg")) diff --git a/gcc/config/riscv/vector-iterators.md b/gcc/config/riscv/vector-iterators.md index 73df55a69c8..f85d1cc80d1 100644 --- a/gcc/config/riscv/vector-iterators.md +++ b/gcc/config/riscv/vector-iterators.md @@ -2596,6 +2596,93 @@ (V512DI "V512BI") ]) +(define_mode_attr stride_predicate [ + (RVVM8QI "vector_eew8_stride_operand") (RVVM4QI "vector_eew8_stride_operand") + (RVVM2QI "vector_eew8_stride_operand") (RVVM1QI "vector_eew8_stride_operand") + (RVVMF2QI "vector_eew8_stride_operand") (RVVMF4QI "vector_eew8_stride_operand") + (RVVMF8QI "vector_eew8_stride_operand") + + (RVVM8HI "vector_eew16_stride_operand") (RVVM4HI "vector_eew16_stride_operand") + (RVVM2HI "vector_eew16_stride_operand") (RVVM1HI "vector_eew16_stride_operand") + (RVVMF2HI "vector_eew16_stride_operand") (RVVMF4HI "vector_eew16_stride_operand") + + (RVVM8HF "vector_eew16_stride_operand") (RVVM4HF "vector_eew16_stride_operand") + (RVVM2HF "vector_eew16_stride_operand") (RVVM1HF "vector_eew16_stride_operand") + (RVVMF2HF "vector_eew16_stride_operand") (RVVMF4HF "vector_eew16_stride_operand") + + (RVVM8SI "vector_eew32_stride_operand") (RVVM4SI "vector_eew32_stride_operand") + (RVVM2SI "vector_eew32_stride_operand") (RVVM1SI "vector_eew32_stride_operand") + (RVVMF2SI "vector_eew32_stride_operand") + + (RVVM8SF "vector_eew32_stride_operand") (RVVM4SF "vector_eew32_stride_operand") + (RVVM2SF "vector_eew32_stride_operand") (RVVM1SF "vector_eew32_stride_operand") + (RVVMF2SF "vector_eew32_stride_operand") + + (RVVM8DI "vector_eew64_stride_operand") (RVVM4DI "vector_eew64_stride_operand") + (RVVM2DI "vector_eew64_stride_operand") (RVVM1DI "vector_eew64_stride_operand") + + (RVVM8DF "vector_eew64_stride_operand") (RVVM4DF "vector_eew64_stride_operand") + (RVVM2DF "vector_eew64_stride_operand") (RVVM1DF "vector_eew64_stride_operand") +]) + +(define_mode_attr stride_load_constraint [ + (RVVM8QI "rJ,rJ,rJ,c01,c01,c01") (RVVM4QI "rJ,rJ,rJ,c01,c01,c01") + (RVVM2QI "rJ,rJ,rJ,c01,c01,c01") (RVVM1QI "rJ,rJ,rJ,c01,c01,c01") + (RVVMF2QI "rJ,rJ,rJ,c01,c01,c01") (RVVMF4QI "rJ,rJ,rJ,c01,c01,c01") + (RVVMF8QI "rJ,rJ,rJ,c01,c01,c01") + + (RVVM8HI "rJ,rJ,rJ,c02,c02,c02") (RVVM4HI "rJ,rJ,rJ,c02,c02,c02") + (RVVM2HI "rJ,rJ,rJ,c02,c02,c02") (RVVM1HI "rJ,rJ,rJ,c02,c02,c02") + (RVVMF2HI "rJ,rJ,rJ,c02,c02,c02") (RVVMF4HI "rJ,rJ,rJ,c02,c02,c02") + + (RVVM8HF "rJ,rJ,rJ,c02,c02,c02") (RVVM4HF "rJ,rJ,rJ,c02,c02,c02") + (RVVM2HF "rJ,rJ,rJ,c02,c02,c02") (RVVM1HF "rJ,rJ,rJ,c02,c02,c02") + (RVVMF2HF "rJ,rJ,rJ,c02,c02,c02") (RVVMF4HF "rJ,rJ,rJ,c02,c02,c02") + + (RVVM8SI "rJ,rJ,rJ,c04,c04,c04") (RVVM4SI "rJ,rJ,rJ,c04,c04,c04") + (RVVM2SI "rJ,rJ,rJ,c04,c04,c04") (RVVM1SI "rJ,rJ,rJ,c04,c04,c04") + (RVVMF2SI "rJ,rJ,rJ,c04,c04,c04") + + (RVVM8SF "rJ,rJ,rJ,c04,c04,c04") (RVVM4SF "rJ,rJ,rJ,c04,c04,c04") + (RVVM2SF "rJ,rJ,rJ,c04,c04,c04") (RVVM1SF "rJ,rJ,rJ,c04,c04,c04") + (RVVMF2SF "rJ,rJ,rJ,c04,c04,c04") + + (RVVM8DI "rJ,rJ,rJ,c08,c08,c08") (RVVM4DI "rJ,rJ,rJ,c08,c08,c08") + (RVVM2DI "rJ,rJ,rJ,c08,c08,c08") (RVVM1DI "rJ,rJ,rJ,c08,c08,c08") + + (RVVM8DF "rJ,rJ,rJ,c08,c08,c08") (RVVM4DF "rJ,rJ,rJ,c08,c08,c08") + (RVVM2DF "rJ,rJ,rJ,c08,c08,c08") (RVVM1DF "rJ,rJ,rJ,c08,c08,c08") +]) + +(define_mode_attr stride_store_constraint [ + (RVVM8QI "rJ,c01") (RVVM4QI "rJ,c01") + (RVVM2QI "rJ,c01") (RVVM1QI "rJ,c01") + (RVVMF2QI "rJ,c01") (RVVMF4QI "rJ,c01") + (RVVMF8QI "rJ,c01") + + (RVVM8HI "rJ,c02") (RVVM4HI "rJ,c02") + (RVVM2HI "rJ,c02") (RVVM1HI "rJ,c02") + (RVVMF2HI "rJ,c02") (RVVMF4HI "rJ,c02") + + (RVVM8HF "rJ,c02") (RVVM4HF "rJ,c02") + (RVVM2HF "rJ,c02") (RVVM1HF "rJ,c02") + (RVVMF2HF "rJ,c02") (RVVMF4HF "rJ,c02") + + (RVVM8SI "rJ,c04") (RVVM4SI "rJ,c04") + (RVVM2SI "rJ,c04") (RVVM1SI "rJ,c04") + (RVVMF2SI "rJ,c04") + + (RVVM8SF "rJ,c04") (RVVM4SF "rJ,c04") + (RVVM2SF "rJ,c04") (RVVM1SF "rJ,c04") + (RVVMF2SF "rJ,c04") + + (RVVM8DI "rJ,c08") (RVVM4DI "rJ,c08") + (RVVM2DI "rJ,c08") (RVVM1DI "rJ,c08") + + (RVVM8DF "rJ,c08") (RVVM4DF "rJ,c08") + (RVVM2DF "rJ,c08") (RVVM1DF "rJ,c08") +]) + (define_mode_attr gs_extension [ (RVVM8QI "const_1_operand") (RVVM4QI "vector_gs_extension_operand") (RVVM2QI "immediate_operand") (RVVM1QI "immediate_operand") (RVVMF2QI "immediate_operand") diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md index f66ffebba24..5595789b3bb 100644 --- a/gcc/config/riscv/vector.md +++ b/gcc/config/riscv/vector.md @@ -2083,40 +2083,48 @@ ;; ------------------------------------------------------------------------------- (define_insn "@pred_strided_load" - [(set (match_operand:V 0 "register_operand" "=vr, vr, vd") + [(set (match_operand:V 0 "register_operand" "=vr, vr, vd, vr, vr, vd") (if_then_else:V (unspec: - [(match_operand: 1 "vector_mask_operand" "vmWc1, Wc1, vm") - (match_operand 5 "vector_length_operand" " rK, rK, rK") - (match_operand 6 "const_int_operand" " i, i, i") - (match_operand 7 "const_int_operand" " i, i, i") - (match_operand 8 "const_int_operand" " i, i, i") + [(match_operand: 1 "vector_mask_operand" "vmWc1, Wc1, vm, vmWc1, Wc1, vm") + (match_operand 5 "vector_length_operand" " rK, rK, rK, rK, rK, rK") + (match_operand 6 "const_int_operand" " i, i, i, i, i, i") + (match_operand 7 "const_int_operand" " i, i, i, i, i, i") + (match_operand 8 "const_int_operand" " i, i, i, i, i, i") (reg:SI VL_REGNUM) (reg:SI VTYPE_REGNUM)] UNSPEC_VPREDICATE) (unspec:V - [(match_operand:V 3 "memory_operand" " m, m, m") - (match_operand 4 "pmode_reg_or_0_operand" " rJ, rJ, rJ")] UNSPEC_STRIDED) - (match_operand:V 2 "vector_merge_operand" " 0, vu, vu")))] + [(match_operand:V 3 "memory_operand" " m, m, m, m, m, m") + (match_operand 4 "" "")] UNSPEC_STRIDED) + (match_operand:V 2 "vector_merge_operand" " 0, vu, vu, 0, vu, vu")))] "TARGET_VECTOR" - "vlse.v\t%0,%3,%z4%p1" + "@ + vlse.v\t%0,%3,%z4%p1 + vlse.v\t%0,%3,%z4 + vlse.v\t%0,%3,%z4,%1.t + vle.v\t%0,%3%p1 + vle.v\t%0,%3 + vle.v\t%0,%3,%1.t" [(set_attr "type" "vlds") (set_attr "mode" "")]) (define_insn "@pred_strided_store" - [(set (match_operand:V 0 "memory_operand" "+m") + [(set (match_operand:V 0 "memory_operand" "+m, m") (if_then_else:V (unspec: - [(match_operand: 1 "vector_mask_operand" "vmWc1") - (match_operand 4 "vector_length_operand" " rK") - (match_operand 5 "const_int_operand" " i") + [(match_operand: 1 "vector_mask_operand" "vmWc1, vmWc1") + (match_operand 4 "vector_length_operand" " rK, rK") + (match_operand 5 "const_int_operand" " i, i") (reg:SI VL_REGNUM) (reg:SI VTYPE_REGNUM)] UNSPEC_VPREDICATE) (unspec:V - [(match_operand 2 "pmode_reg_or_0_operand" " rJ") - (match_operand:V 3 "register_operand" " vr")] UNSPEC_STRIDED) + [(match_operand 2 "" "") + (match_operand:V 3 "register_operand" " vr, vr")] UNSPEC_STRIDED) (match_dup 0)))] "TARGET_VECTOR" - "vsse.v\t%3,%0,%z2%p1" + "@ + vsse.v\t%3,%0,%z2%p1 + vse.v\t%3,%0%p1" [(set_attr "type" "vsts") (set_attr "mode" "") (set (attr "avl_type") (symbol_ref "INTVAL (operands[5])"))]) diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/pr111450.c b/gcc/testsuite/gcc.target/riscv/rvv/base/pr111450.c new file mode 100644 index 00000000000..50aadcd2024 --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/base/pr111450.c @@ -0,0 +1,100 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv32gcv_zvfh -mabi=ilp32d -O2" } */ +/* { dg-final { check-function-bodies "**" "" } } */ + +#include "riscv_vector.h" + +typedef _Float16 float16_t; +typedef float float32_t; +typedef double float64_t; + +/* +**foo: +** vsetvli\s+zero,\s*[a-z0-9]+,e8,m1,ta,ma +** vle8\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse8\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo (int8_t *in, int8_t *out, int n) +{ + vint8m1_t v = __riscv_vlse8_v_i8m1 (in, 1, n); + __riscv_vsse8_v_i8m1 (out, 1, v, n); +} + +/* +**foo1: +** vsetvli\s+zero,\s*[a-z0-9]+,e16,m1,ta,ma +** vle16\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse16\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo1 (int16_t *in, int16_t *out, int n) +{ + vint16m1_t v = __riscv_vlse16_v_i16m1 (in, 2, n); + __riscv_vsse16_v_i16m1 (out, 2, v, n); +} + +/* +**foo2: +** vsetvli\s+zero,\s*[a-z0-9]+,e32,m1,ta,ma +** vle32\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse32\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo2 (int32_t *in, int32_t *out, int n) +{ + vint32m1_t v = __riscv_vlse32_v_i32m1 (in, 4, n); + __riscv_vsse32_v_i32m1 (out, 4, v, n); +} + +/* +**foo3: +** vsetvli\s+zero,\s*[a-z0-9]+,e64,m1,ta,ma +** vle64\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse64\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo3 (int64_t *in, int64_t *out, int n) +{ + vint64m1_t v = __riscv_vlse64_v_i64m1 (in, 8, n); + __riscv_vsse64_v_i64m1 (out, 8, v, n); +} + +/* +**foo4: +** vsetvli\s+zero,\s*[a-z0-9]+,e16,mf2,ta,ma +** vle16\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse16\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo4 (float16_t *in, float16_t *out, int n) +{ + vfloat16mf2_t v = __riscv_vlse16_v_f16mf2 (in, 2, n); + __riscv_vsse16_v_f16mf2 (out, 2, v, n); +} + +/* +**foo5: +** vsetvli\s+zero,\s*[a-z0-9]+,e32,m1,ta,ma +** vle32\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse32\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo5 (float32_t *in, float32_t *out, int n) +{ + vfloat32m1_t v = __riscv_vlse32_v_f32m1 (in, 4, n); + __riscv_vsse32_v_f32m1 (out, 4, v, n); +} + +/* +**foo6: +** vsetvli\s+zero,\s*[a-z0-9]+,e64,m1,ta,ma +** vle64\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** vse64\.v\s+v[0-9]+,\s*0\([a-x0-9]+\) +** ret +*/ +void foo6 (float64_t *in, float64_t *out, int n) +{ + vfloat64m1_t v = __riscv_vlse64_v_f64m1 (in, 8, n); + __riscv_vsse64_v_f64m1 (out, 8, v, n); +}