From patchwork Tue Sep 10 21:23:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 13799317 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 0197AEDE9BF for ; Tue, 10 Sep 2024 21:24:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1so8L8-0002WR-Jx; Tue, 10 Sep 2024 17:23:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1so8L7-0002SX-LM for qemu-devel@nongnu.org; Tue, 10 Sep 2024 17:23:57 -0400 Received: from mail-pg1-x530.google.com ([2607:f8b0:4864:20::530]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1so8L5-0001wB-Sy for qemu-devel@nongnu.org; Tue, 10 Sep 2024 17:23:57 -0400 Received: by mail-pg1-x530.google.com with SMTP id 41be03b00d2f7-7ae3d7222d4so1020998a12.3 for ; Tue, 10 Sep 2024 14:23:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1726003434; x=1726608234; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JrrQrwkjzFljgzMx/X6RMiMfxp4p6p9uhxYwZvInmsY=; b=mesJ0H4fE+YHkaCCOpSY34nSsIQFWw6yvMHDPm6ts/f4UjSKaVEoYtjWGl+E6njLa3 XE6E3CX6xkSnTwy8pjhgSEvI/MBse9pFSnyK7m53kKtQft0l9FnaZANWuFhcqocXo9GS Uic1IJvYGCuRQcIgGhyd9BYBWiiZgUQjrMDGZO+1g2mdl+XXblHbjaA/k1gB3+R8n6XX ee5/87p+Ncwg0pyZ5StpQz5ntrFwKrksqdpS1R9nGAhCRzrJKT2DNXT8nk7lNibZ9Vq0 lJzvH+G1VbIzE/loYGjvIuiCIkSP+R4TJMBEn8qGH/ZwzkEpoxM0K625bcK1BAJBTl5x Cw0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726003434; x=1726608234; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JrrQrwkjzFljgzMx/X6RMiMfxp4p6p9uhxYwZvInmsY=; b=bhcklF8GA078O041USadDwPpYxNp48Leh6YNBeWE0czdb25bHsuaz0utVGSHN5IZ6V 6mNnAecWpxAj+5hlHzYc927FIqmfpvy+j/xdeBSDrB/krKfRTwY/2JX/w3TrlFyu7Hy5 n4fUPXe4NC+kRFTB2hWj4rQP8sMX1ymxstjI8oDhlHd8QK1JucUncyiw2+g/Z+qpBQpL o1byeyWoAjh95YtMin2xQzCNK4L8UI7Ryn4Ew/m91z7LSaG+YoRN/O8PeSXaMT/8K6Xu ogm8TDFg7XiZAoJsQCHXe/amIjKcChKLzgQZI6E/dSJqzCZxriyretqUAdk6UMgGQe39 jrrA== X-Gm-Message-State: AOJu0YyEdlH92GQeT6VheUaVJtZ440P+vEsf5dCIceUYnxetJdDSKJ8S rLmKZYxtsTnN4r3OTOTlvpCijvgDn5c5SOrwOANEXDJb+zWe1lsXGqWrPMduGpqaXWmqFmdrYUf f X-Google-Smtp-Source: AGHT+IHCqt7SwLwoGwh5/XrkVBZD5b5wyFT2Fi++0dXIhUSpYDa0TN7y90pr541tv+knSwPhILrYrQ== X-Received: by 2002:a05:6a21:168b:b0:1c4:23f0:9665 with SMTP id adf61e73a8af0-1cf62cea105mr1956098637.29.1726003434289; Tue, 10 Sep 2024 14:23:54 -0700 (PDT) Received: from stoup.. (174-21-81-121.tukw.qwest.net. [174.21.81.121]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7d825ba616bsm6089661a12.93.2024.09.10.14.23.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Sep 2024 14:23:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org, pierrick.bouvier@linaro.org, Elisha Hollander Subject: [PATCH 2/2] tcg: Propagate new TCGOp to add_as_label_use Date: Tue, 10 Sep 2024 14:23:51 -0700 Message-ID: <20240910212351.977753-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240910212351.977753-1-richard.henderson@linaro.org> References: <20240910212351.977753-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::530; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x530.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The use of tcg_last_op does not interact well with TCGContext.emit_before_op, resulting in the label being linked to something other than the branch op. In this case it is easier to simply collect the emitted branch op and pass it directly to add_as_label_use. Reported-by: Elisha Hollander Signed-off-by: Richard Henderson Reviewed-by: Pierrick Bouvier --- tcg/tcg-op.c | 63 ++++++++++++++++++++++++++-------------------------- 1 file changed, 32 insertions(+), 31 deletions(-) diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 28c41b37a4..4a7e705367 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -117,9 +117,9 @@ static void DNI tcg_gen_op1_i64(TCGOpcode opc, TCGv_i64 a1) tcg_gen_op1(opc, tcgv_i64_arg(a1)); } -static void DNI tcg_gen_op1i(TCGOpcode opc, TCGArg a1) +static TCGOp * DNI tcg_gen_op1i(TCGOpcode opc, TCGArg a1) { - tcg_gen_op1(opc, a1); + return tcg_gen_op1(opc, a1); } static void DNI tcg_gen_op2_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2) @@ -196,16 +196,16 @@ static void DNI tcg_gen_op4i_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2, tcgv_i64_arg(a3), a4); } -static void DNI tcg_gen_op4ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2, - TCGArg a3, TCGArg a4) +static TCGOp * DNI tcg_gen_op4ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2, + TCGArg a3, TCGArg a4) { - tcg_gen_op4(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), a3, a4); + return tcg_gen_op4(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), a3, a4); } -static void DNI tcg_gen_op4ii_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2, - TCGArg a3, TCGArg a4) +static TCGOp * DNI tcg_gen_op4ii_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2, + TCGArg a3, TCGArg a4) { - tcg_gen_op4(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2), a3, a4); + return tcg_gen_op4(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2), a3, a4); } static void DNI tcg_gen_op5_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2, @@ -270,12 +270,12 @@ static void DNI tcg_gen_op6i_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2, tcgv_i64_arg(a3), tcgv_i64_arg(a4), tcgv_i64_arg(a5), a6); } -static void DNI tcg_gen_op6ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2, - TCGv_i32 a3, TCGv_i32 a4, - TCGArg a5, TCGArg a6) +static TCGOp * DNI tcg_gen_op6ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2, + TCGv_i32 a3, TCGv_i32 a4, + TCGArg a5, TCGArg a6) { - tcg_gen_op6(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), - tcgv_i32_arg(a3), tcgv_i32_arg(a4), a5, a6); + return tcg_gen_op6(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), + tcgv_i32_arg(a3), tcgv_i32_arg(a4), a5, a6); } /* Generic ops. */ @@ -286,18 +286,17 @@ void gen_set_label(TCGLabel *l) tcg_gen_op1(INDEX_op_set_label, label_arg(l)); } -static void add_last_as_label_use(TCGLabel *l) +static void add_as_label_use(TCGLabel *l, TCGOp *op) { TCGLabelUse *u = tcg_malloc(sizeof(TCGLabelUse)); - u->op = tcg_last_op(); + u->op = op; QSIMPLEQ_INSERT_TAIL(&l->branches, u, next); } void tcg_gen_br(TCGLabel *l) { - tcg_gen_op1(INDEX_op_br, label_arg(l)); - add_last_as_label_use(l); + add_as_label_use(l, tcg_gen_op1(INDEX_op_br, label_arg(l))); } void tcg_gen_mb(TCGBar mb_type) @@ -514,8 +513,9 @@ void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1, TCGv_i32 arg2, TCGLabel *l) if (cond == TCG_COND_ALWAYS) { tcg_gen_br(l); } else if (cond != TCG_COND_NEVER) { - tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_arg(l)); - add_last_as_label_use(l); + TCGOp *op = tcg_gen_op4ii_i32(INDEX_op_brcond_i32, + arg1, arg2, cond, label_arg(l)); + add_as_label_use(l, op); } } @@ -1934,15 +1934,16 @@ void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1, TCGv_i64 arg2, TCGLabel *l) if (cond == TCG_COND_ALWAYS) { tcg_gen_br(l); } else if (cond != TCG_COND_NEVER) { + TCGOp *op; if (TCG_TARGET_REG_BITS == 32) { - tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1), - TCGV_HIGH(arg1), TCGV_LOW(arg2), - TCGV_HIGH(arg2), cond, label_arg(l)); + op = tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1), + TCGV_HIGH(arg1), TCGV_LOW(arg2), + TCGV_HIGH(arg2), cond, label_arg(l)); } else { - tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, - label_arg(l)); + op = tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, + label_arg(l)); } - add_last_as_label_use(l); + add_as_label_use(l, op); } } @@ -1953,12 +1954,12 @@ void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1, int64_t arg2, TCGLabel *l) } else if (cond == TCG_COND_ALWAYS) { tcg_gen_br(l); } else if (cond != TCG_COND_NEVER) { - tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, - TCGV_LOW(arg1), TCGV_HIGH(arg1), - tcg_constant_i32(arg2), - tcg_constant_i32(arg2 >> 32), - cond, label_arg(l)); - add_last_as_label_use(l); + TCGOp *op = tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, + TCGV_LOW(arg1), TCGV_HIGH(arg1), + tcg_constant_i32(arg2), + tcg_constant_i32(arg2 >> 32), + cond, label_arg(l)); + add_as_label_use(l, op); } }