From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C4335C433F5 for ; Tue, 21 Dec 2021 17:01:53 +0000 (UTC) Received: from localhost ([::1]:41968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mziWN-0005af-EJ for qemu-devel@archiver.kernel.org; Tue, 21 Dec 2021 12:01:52 -0500 Received: from eggs.gnu.org ([209.51.188.92]:55916) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mziJ0-0000WE-KC for qemu-devel@nongnu.org; Tue, 21 Dec 2021 11:48:02 -0500 Received: from [2607:f8b0:4864:20::529] (port=42665 helo=mail-pg1-x529.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mziIv-0007dv-OH for qemu-devel@nongnu.org; Tue, 21 Dec 2021 11:48:02 -0500 Received: by mail-pg1-x529.google.com with SMTP id g2so10253385pgo.9 for ; Tue, 21 Dec 2021 08:47:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=adJz+s7jT6jWBFyUKxHXaxji8ihsHKTI4sYu6dNqkNg=; b=Z8lhaD7JXY/wwzF8yPR1RIrs+L37g8ZBW6d2vGpP1vp1NLKHvSrbAxK+xg5/gBki+r lH+t6WRYqLYVU4HHnwyNAnI1b7RvmbqhF8Tt3PS5PH1KG5eGylFJCzo4U/oWsnyiRaJU uj0TX6ldRWKskUK6dRIaw2ICnHKL5Q1e+/+1VyR06aMlEW1JnbZNnbQUCMldqOSqBRfA 6gSyOGQqAQRTMpBxu2v5DTojdvroQLyyeTjtVR4TzGlap/KfS6oWx68gTUrghjY+yyxJ Spg85rhRCXt4U3bV8jOGiSG8FXbOo2gJGa0/uy2cRwYMJZUAC+yoPBCGCD99dZdvq1Yp rCgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=adJz+s7jT6jWBFyUKxHXaxji8ihsHKTI4sYu6dNqkNg=; b=4RJQmzrHogaRJksU8WM1CpksBsfS3Sn5NK0uYo6PDTl3kbBH7eJ1631eCQAkuOET3b jWNJmClHX+cXBE9MB72zNBcZR784ijiom7JazzvjJGktiGOUYTlOs1JmQNvpA/SD8sxJ 8maxsAIwk6KPS6xCg0fcg+YQxrk9lsjnUWcZFun3hKCmq1dx7tSE/BljDrsS45m3sVJy ZKIcPtpx+VEJLNXJ4T6cT+y7WKZi7zYoCXHFoCC48j2LyqovXU2BFNZcFJQxLGiMRJqT 17lbd7Kffn9zJSCDFtpTuFdwrlUkDKUvRPvpV0Wdi4NTk6n8J7JobBpwSYI54+Ne/LIo Lqgw== X-Gm-Message-State: AOAM531fQeaIKlgVji1y3fh/3vFN9iXPV0g1SfJajh30flJzFbFy3bjD 1dGtc+TT56KXacMb9NP7QGn66XHOdGcdww== X-Google-Smtp-Source: ABdhPJzzFP9uA55gA37WzfNkUcPwo6dK4fhvljGdKRFqHyRcz5WCzD0h/GNRPp5xNmkvRDhyFqRh7Q== X-Received: by 2002:aa7:8219:0:b0:4a4:bec7:ef10 with SMTP id k25-20020aa78219000000b004a4bec7ef10mr4159947pfi.37.1640105276505; Tue, 21 Dec 2021 08:47:56 -0800 (PST) Received: from localhost.localdomain ([156.19.246.20]) by smtp.gmail.com with ESMTPSA id b192sm2256818pga.35.2021.12.21.08.47.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Dec 2021 08:47:56 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 19/31] tcg/loongarch64: Implement br/brcond ops Date: Tue, 21 Dec 2021 08:47:25 -0800 Message-Id: <20211221164737.1076007-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211221164737.1076007-1-richard.henderson@linaro.org> References: <20211221164737.1076007-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::529 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: WANG Xuerui , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: WANG Xuerui Signed-off-by: WANG Xuerui Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20211221054105.178795-20-git@xen0n.name> Signed-off-by: Richard Henderson --- tcg/loongarch64/tcg-target-con-set.h | 1 + tcg/loongarch64/tcg-target.c.inc | 53 ++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/tcg/loongarch64/tcg-target-con-set.h b/tcg/loongarch64/tcg-target-con-set.h index fb56f3a295..367689c2e2 100644 --- a/tcg/loongarch64/tcg-target-con-set.h +++ b/tcg/loongarch64/tcg-target-con-set.h @@ -15,6 +15,7 @@ * tcg-target-con-str.h; the constraint combination is inclusive or. */ C_O0_I1(r) +C_O0_I2(rZ, rZ) C_O1_I1(r, r) C_O1_I2(r, r, rC) C_O1_I2(r, r, ri) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index 0ae193fba5..aedfc0df84 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -434,6 +434,44 @@ static void tcg_out_clzctz(TCGContext *s, LoongArchInsn opc, tcg_out_opc_or(s, a0, TCG_REG_TMP0, a0); } +/* + * Branch helpers + */ + +static const struct { + LoongArchInsn op; + bool swap; +} tcg_brcond_to_loongarch[] = { + [TCG_COND_EQ] = { OPC_BEQ, false }, + [TCG_COND_NE] = { OPC_BNE, false }, + [TCG_COND_LT] = { OPC_BGT, true }, + [TCG_COND_GE] = { OPC_BLE, true }, + [TCG_COND_LE] = { OPC_BLE, false }, + [TCG_COND_GT] = { OPC_BGT, false }, + [TCG_COND_LTU] = { OPC_BGTU, true }, + [TCG_COND_GEU] = { OPC_BLEU, true }, + [TCG_COND_LEU] = { OPC_BLEU, false }, + [TCG_COND_GTU] = { OPC_BGTU, false } +}; + +static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, + TCGReg arg2, TCGLabel *l) +{ + LoongArchInsn op = tcg_brcond_to_loongarch[cond].op; + + tcg_debug_assert(op != 0); + + if (tcg_brcond_to_loongarch[cond].swap) { + TCGReg t = arg1; + arg1 = arg2; + arg2 = t; + } + + /* all conditional branch insns belong to DJSk16-format */ + tcg_out_reloc(s, s->code_ptr, R_LOONGARCH_BR_SK16, l, 0); + tcg_out32(s, encode_djsk16_insn(op, arg1, arg2, 0)); +} + /* * Entry-points */ @@ -456,6 +494,17 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_opc_jirl(s, TCG_REG_ZERO, a0, 0); break; + case INDEX_op_br: + tcg_out_reloc(s, s->code_ptr, R_LOONGARCH_BR_SD10K16, arg_label(a0), + 0); + tcg_out_opc_b(s, 0); + break; + + case INDEX_op_brcond_i32: + case INDEX_op_brcond_i64: + tcg_out_brcond(s, a2, a0, a1, arg_label(args[3])); + break; + case INDEX_op_ext8s_i32: case INDEX_op_ext8s_i64: tcg_out_ext8s(s, a0, a1); @@ -779,6 +828,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op) case INDEX_op_goto_ptr: return C_O0_I1(r); + case INDEX_op_brcond_i32: + case INDEX_op_brcond_i64: + return C_O0_I2(rZ, rZ); + case INDEX_op_ext8s_i32: case INDEX_op_ext8s_i64: case INDEX_op_ext8u_i32: -- 2.25.1