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[2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id o22-20020a1709061b1600b0099de8722195si327704ejg.747.2023.08.30.20.24.45 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Aug 2023 20:24:45 -0700 (PDT) Received-SPF: pass (google.com: domain of binutils-bounces+ouuuleilei=gmail.com@sourceware.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; dkim=pass header.i=@sourceware.org header.s=default header.b=f03eqlLG; spf=pass (google.com: domain of binutils-bounces+ouuuleilei=gmail.com@sourceware.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="binutils-bounces+ouuuleilei=gmail.com@sourceware.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 8B6403853D33 for ; Thu, 31 Aug 2023 03:23:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8B6403853D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1693452238; bh=2izWNIfiF3zih1BlzNx3BEKgn50yTWc1KBnG5Yzij3Q=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=f03eqlLGJ2kTxt4dCkCA4nOYcIagPqw0edh2E4r1d52mvFHbD5t2BZ6K9q9I95U6H 00jgGbbnumqfV3QbVpa7SHaFzjUgBRDhI8DQrR76FbI1sjEA8lC1bq3iFkYK043ggc vgFVtkS+9l/X2LPEU0rH2Q5fWY94XUkVbhj00xec= X-Original-To: binutils@sourceware.org Delivered-To: binutils@sourceware.org Received: from mail-sender-0.a4lg.com (mail-sender.a4lg.com [153.120.152.154]) by sourceware.org (Postfix) with ESMTPS id CE0F53858D32; Thu, 31 Aug 2023 03:22:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org CE0F53858D32 Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id 155CA300089; Thu, 31 Aug 2023 03:22:31 +0000 (UTC) To: Tsukasa OI , Palmer Dabbelt , Andrew Waterman , Jim Wilson , Nelson Chu , Kito Cheng Cc: binutils@sourceware.org, gdb-patches@sourceware.org Subject: [PATCH v2 2/3] RISC-V: Add "lp64e" ABI support Date: Thu, 31 Aug 2023 03:21:55 +0000 Message-ID: <00ee23325647b98524c2600b00041601e459d03d.1693452083.git.research_trasio@irq.a4lg.com> In-Reply-To: References: Mime-Version: 1.0 X-Spam-Status: No, score=-11.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, KAM_MANYTO, 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: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Tsukasa OI via Binutils From: Tsukasa OI Reply-To: Tsukasa OI Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org Sender: "Binutils" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772357774806256207 X-GMAIL-MSGID: 1775713423684092246 From: Tsukasa OI Since RV32E and RV64E are now ratified, this commit prepares the ABI support for LP64E (LP64 with reduced GPRs). gas/ChangeLog: * config/tc-riscv.c (riscv_set_abi_by_arch): Update the error message. (md_parse_option): Accept "lp64e". * doc/c-riscv.texi: Update the documentation to allow "lp64e". * testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l: Change error message. * testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l: Likewise. * testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l: Likewise. --- gas/config/tc-riscv.c | 4 +++- gas/doc/c-riscv.texi | 5 ++--- gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l | 2 +- gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l | 2 +- gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l | 2 +- 5 files changed, 8 insertions(+), 7 deletions(-) diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c index 959cbbc32a5e..d0caf691fc65 100644 --- a/gas/config/tc-riscv.c +++ b/gas/config/tc-riscv.c @@ -384,7 +384,7 @@ riscv_set_abi_by_arch (void) as_bad ("%d-bit ABI not yet supported on %d-bit ISA", abi_xlen, xlen); if (riscv_subset_supports (&riscv_rps_as, "e") && !rve_abi) - as_bad ("only the ilp32e ABI is supported for e extension"); + as_bad ("only ilp32e/lp64e ABI are supported for e extension"); if (float_abi == FLOAT_ABI_SINGLE && !riscv_subset_supports (&riscv_rps_as, "f")) @@ -3897,6 +3897,8 @@ md_parse_option (int c, const char *arg) riscv_set_abi (32, FLOAT_ABI_QUAD, false); else if (strcmp (arg, "lp64") == 0) riscv_set_abi (64, FLOAT_ABI_SOFT, false); + else if (strcmp (arg, "lp64e") == 0) + riscv_set_abi (64, FLOAT_ABI_SOFT, true); else if (strcmp (arg, "lp64f") == 0) riscv_set_abi (64, FLOAT_ABI_SINGLE, false); else if (strcmp (arg, "lp64d") == 0) diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi index b175ba0a7293..e7fdbfa22afb 100644 --- a/gas/doc/c-riscv.texi +++ b/gas/doc/c-riscv.texi @@ -65,9 +65,8 @@ aren't set, then assembler will check the default configure setting @item -mabi=ABI Selects the ABI, which is either "ilp32" or "lp64", optionally followed by "f", "d", or "q" to indicate single-precision, double-precision, or -quad-precision floating-point calling convention, or none to indicate -the soft-float calling convention. Also, "ilp32" can optionally be followed -by "e" to indicate the RVE ABI, which is always soft-float. +quad-precision floating-point calling convention, or none or "e" to indicate +the soft-float calling convention ("e" indicates a soft-float RVE ABI). @cindex @samp{-mrelax} option, RISC-V @item -mrelax diff --git a/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l b/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l index f7306cb24d20..419a01d5d53a 100644 --- a/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l +++ b/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64d.l @@ -1,4 +1,4 @@ .*Assembler messages: .*Error: can't have 64-bit ABI on 32-bit ISA -.*Error: only the ilp32e ABI is supported for e extension +.*Error: only ilp32e/lp64e ABI are supported for e extension .*Error: ilp32d/lp64d ABI can't be used when d extension isn't supported diff --git a/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l b/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l index 706690ac9c64..7b2fcda8d685 100644 --- a/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l +++ b/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64f.l @@ -1,4 +1,4 @@ .*Assembler messages: .*Error: can't have 64-bit ABI on 32-bit ISA -.*Error: only the ilp32e ABI is supported for e extension +.*Error: only ilp32e/lp64e ABI are supported for e extension .*Error: ilp32f/lp64f ABI can't be used when f extension isn't supported diff --git a/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l b/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l index ab64b1546f63..a06e9ea1aa93 100644 --- a/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l +++ b/gas/testsuite/gas/riscv/mabi-fail-rv32e-lp64q.l @@ -1,4 +1,4 @@ .*Assembler messages: .*Error: can't have 64-bit ABI on 32-bit ISA -.*Error: only the ilp32e ABI is supported for e extension +.*Error: only ilp32e/lp64e ABI are supported for e extension .*Error: ilp32q/lp64q ABI can't be used when q extension isn't supported