From patchwork Thu Mar 28 11:20:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Zeng X-Patchwork-Id: 1917293 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4V51Fj2z49z1yYR for ; Thu, 28 Mar 2024 22:16:41 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 831FE3858418 for ; Thu, 28 Mar 2024 11:16:39 +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 4BD433858D20 for ; Thu, 28 Mar 2024 11:16:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 4BD433858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=eswincomputing.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 4BD433858D20 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=159.89.151.119 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1711624581; cv=none; b=evyZQqI0sTtJk9k0D3PY0ZdjXqTqj+MnRQ5ZuDyYCrbmjs6jx0o6OH5E6szd+uPqNRTujFbS6rCEKaa+OG/Y5XOF0rbKSdrC3gMH0YH/Qp3PPBOV10LUnn91wk8M/PtEJeyKxLwf1RXepMu4HgkTejADaHcUzizWLiHp+6umEJk= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1711624581; c=relaxed/simple; bh=ImZhzejrAwgmxC7BldjeEqWNvGQOm1fR0NfdznReQ48=; h=From:To:Subject:Date:Message-Id; b=Gjxr98tMhR1Ms36s24gfd70vJiYhVcFnlWL4hRTxAWR+PPXvuAiL6qdeL7b4JK29Bn2RCv0awSzz70SW6XlzIX+3XH/RWZaRAappkD4GRfh+95OmWFmuqX/clYEZqARkkpTEH3jF6LGF4JhrJ6E3FDgxsBcn1JUNaw0h+ILIN1k= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from localhost.localdomain (unknown [10.12.130.38]) by app2 (Coremail) with SMTP id TQJkCgCXqbtQUQVmUlQDAA--.29919S4; Thu, 28 Mar 2024 19:15:29 +0800 (CST) From: Xiao Zeng To: gcc-patches@gcc.gnu.org Cc: jeffreyalaw@gmail.com, research_trasio@irq.a4lg.com, kito.cheng@gmail.com, zhengyu@eswincomputing.com, jinma@linux.alibaba.com, Xiao Zeng Subject: [PATCH 0/1] [RISCV] Add support for _Bfloat16 Date: Thu, 28 Mar 2024 19:20:38 +0800 Message-Id: <20240328112039.28368-1-zengxiao@eswincomputing.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: TQJkCgCXqbtQUQVmUlQDAA--.29919S4 X-Coremail-Antispam: 1UD129KBjvJXoW7CF18AFW7Gr1xArWxAFW8WFg_yoW8CrWfpa 1UG34Yvry5AF93Xrs3tF1UXw43Aa4SgrW5uwn7Xr47A3ySyrW5KF1kKa47Aw47Za48Xrsx Cr42kFy5uw1qvFDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUk214x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc2xSY4AK6svPMxAI w28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr 4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxG rwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8Jw CI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2 z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjfUouWlDUUUU X-CM-SenderInfo: p2hqw5xldrqvxvzl0uprps33xlqjhudrp/ X-Spam-Status: No, score=-6.2 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, KAM_NUMSUBJECT, KAM_SHORT, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no 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+incoming=patchwork.ozlabs.org@gcc.gnu.org Hi all RISC-V folks: This patch completes the support for the bf16 data type in the riscv architecture.On this basis, there will be a series of patches in the future to strengthen support for BF16. It is recommended to first review this patch from the testcases, where detailed explanations have been provided on the flow of data type conversion. The basis of this patch is: Xiao Zeng (1): [RISCV] Add support for _Bfloat16 gcc/config/riscv/iterators.md | 2 + gcc/config/riscv/riscv-builtins.cc | 16 ++++ gcc/config/riscv/riscv-modes.def | 3 + gcc/config/riscv/riscv.cc | 64 ++++++++++----- gcc/config/riscv/riscv.md | 24 +++--- .../gcc.target/riscv/bf16_arithmetic.c | 42 ++++++++++ gcc/testsuite/gcc.target/riscv/bf16_call.c | 12 +++ .../gcc.target/riscv/bf16_comparison.c | 36 +++++++++ .../riscv/bf16_float_libcall_convert.c | 57 +++++++++++++ .../riscv/bf16_integer_libcall_convert.c | 81 +++++++++++++++++++ libgcc/config/riscv/sfp-machine.h | 3 + libgcc/config/riscv/t-softfp32 | 10 ++- libgcc/config/riscv/t-softfp64 | 3 +- libgcc/soft-fp/floatsibf.c | 45 +++++++++++ libgcc/soft-fp/floatunsibf.c | 45 +++++++++++ 15 files changed, 407 insertions(+), 36 deletions(-) create mode 100644 gcc/testsuite/gcc.target/riscv/bf16_arithmetic.c create mode 100644 gcc/testsuite/gcc.target/riscv/bf16_call.c create mode 100644 gcc/testsuite/gcc.target/riscv/bf16_comparison.c create mode 100644 gcc/testsuite/gcc.target/riscv/bf16_float_libcall_convert.c create mode 100644 gcc/testsuite/gcc.target/riscv/bf16_integer_libcall_convert.c create mode 100644 libgcc/soft-fp/floatsibf.c create mode 100644 libgcc/soft-fp/floatunsibf.c