From nobody Tue Jun 18 05:48:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1692198115; cv=none; d=zohomail.com; s=zohoarc; b=D2fmhMqnNLfgqILNp6KwxrfHyVI1grsSPhae9heR2BNO+0fLtmVcf7Ad/HLFgtzqvImeQJWvohpBaJlnaO+luJLyu4zkcHZgT8PQ9WhGnus35PfVrXu/ZdhBs4MWEpmx4HvfqwIuxHQx1AVtwNWOXUN9iX9v7uACuHLgzlvqqpE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1692198115; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=NHyHJm0GL/uGu27M1d2LW9mRlg3KlAClqxw38Vui2Us=; b=RehtVx2fgdYuGxipuskG8VX8eslF5NYywY2xwNvdDAG3gxIbR3J1NhopljNKov7+vH7kX52CZz75Yf72RXIRdyYjauPrzZAtSNyimUwrtyvurJXpt4ECdSFl8U8/9wktqQCWfhaQ76kxRD+5UBXwJ1r0aLr1/5AkJws46Xyd91U= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1692198115300596.4957157410528; Wed, 16 Aug 2023 08:01:55 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWHwF-0006T7-5s; Wed, 16 Aug 2023 10:55:59 -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 1qWHwA-0006Gz-SJ for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:54 -0400 Received: from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qWHw7-0002P9-9Q for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:54 -0400 Received: by mail-pf1-x436.google.com with SMTP id d2e1a72fcca58-6887480109bso1316210b3a.0 for ; Wed, 16 Aug 2023 07:55:50 -0700 (PDT) Received: from stoup.. ([2602:47:d483:7301:a064:e3f9:a812:973b]) by smtp.gmail.com with ESMTPSA id fe22-20020a056a002f1600b00682a0184742sm11619069pfb.148.2023.08.16.07.55.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Aug 2023 07:55:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692197750; x=1692802550; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=NHyHJm0GL/uGu27M1d2LW9mRlg3KlAClqxw38Vui2Us=; b=AYTZg+NhRsQ7j7+S0YOUpo5k5LTVcdSv3EwcVjO/1ETZH5sI303JSeGMmCffMvN1MJ QtLy2EMzjhjQqVeD/6aBVNRP2+csr9PYFuQSHxOEqUqsJhjxbA9H8DccbPXBYzQ7px6K NTFytT1h0GfR88mJlTjwBpuMGxVRZWeje+s63WTvDkLZI/UuFRo4ymv6IV3LPeYK+LJE bZnQxbtkC6eaCaQH3ZKiUDH1mcvHSWNsIaA1a1kMZ1osSrueHOxXEqZxVsRs0Ucr/u/6 rvRDLneXa6bQs9cvaVrM3nxGH5AqXDOfhQgraPFHET/kzq2e+5tJYH8WsT7IfCQMmgWc zGbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692197750; x=1692802550; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=NHyHJm0GL/uGu27M1d2LW9mRlg3KlAClqxw38Vui2Us=; b=iOe4S4eHFQl0Gqli4YM/i5/qh1HarSwMzHDEPSnqG5WVrFbY1zPe/xQqtcv5u2yCq8 HelrIIRzNYgv/s4qPuTzYPSPQR5HAMUv5P9yKxRUBrbZJjdLORS23LPboaVlFYYuCi0Y +kxHHqWFK4TYtwaB23ivbYB973Bjnmwsf8pjO3TIoSbpttL05F2SEGF/fphgmm+RxzZ/ 3JN6QVr3qWv/j0dNBQlntixyPIaCh4IV/KqerjgiGLc78xobX4jfinzEk75HHKMqCo74 jLf1QweRl5/sec2P7oBoNd+Tvs19Ex+JvJ2VOCaq1rhjVA9YsiYX3GEnfE/bqRHrnrtg 1pOg== X-Gm-Message-State: AOJu0YxAc2I1l47urZu2QGsmDmVNZXkexTX50h54eEb3OSQ0tCy4r4om g1bMqf2aDywgETbbRT/1btdt4zAqgbAScOrmBDU= X-Google-Smtp-Source: AGHT+IEv76P0uBNuTLvbJSPr89j9x9/6+LcbsvRm3ly+qZkXX31bh+1QzYZ2h6K1RABmHhSuOyks7A== X-Received: by 2002:a05:6a00:c89:b0:682:5a68:9846 with SMTP id a9-20020a056a000c8900b006825a689846mr2706288pfv.16.1692197749964; Wed, 16 Aug 2023 07:55:49 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/3] tcg/i386: Drop BYTEH deposits for 64-bit Date: Wed, 16 Aug 2023 07:55:45 -0700 Message-Id: <20230816145547.477974-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230816145547.477974-1-richard.henderson@linaro.org> References: <20230816145547.477974-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1692198149671100001 Content-Type: text/plain; charset="utf-8" It is more useful to allow low-part deposits into all registers than to restrict allocation for high-byte deposits. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- tcg/i386/tcg-target-con-set.h | 2 +- tcg/i386/tcg-target-con-str.h | 1 - tcg/i386/tcg-target.h | 4 ++-- tcg/i386/tcg-target.c.inc | 7 +++---- 4 files changed, 6 insertions(+), 8 deletions(-) diff --git a/tcg/i386/tcg-target-con-set.h b/tcg/i386/tcg-target-con-set.h index 5ea3a292f0..3949d49538 100644 --- a/tcg/i386/tcg-target-con-set.h +++ b/tcg/i386/tcg-target-con-set.h @@ -33,7 +33,7 @@ C_O1_I1(r, q) C_O1_I1(r, r) C_O1_I1(x, r) C_O1_I1(x, x) -C_O1_I2(Q, 0, Q) +C_O1_I2(q, 0, q) C_O1_I2(q, r, re) C_O1_I2(r, 0, ci) C_O1_I2(r, 0, r) diff --git a/tcg/i386/tcg-target-con-str.h b/tcg/i386/tcg-target-con-str.h index 24e6bcb80d..95a30e58cd 100644 --- a/tcg/i386/tcg-target-con-str.h +++ b/tcg/i386/tcg-target-con-str.h @@ -19,7 +19,6 @@ REGS('D', 1u << TCG_REG_EDI) REGS('r', ALL_GENERAL_REGS) REGS('x', ALL_VECTOR_REGS) REGS('q', ALL_BYTEL_REGS) /* regs that can be used as a byte operand */ -REGS('Q', ALL_BYTEH_REGS) /* regs with a second byte (e.g. %ah) */ REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS) /* qemu_ld/st */ REGS('s', ALL_BYTEL_REGS & ~SOFTMMU_RESERVE_REGS) /* qemu_st8_i32 data = */ =20 diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 2a2e3fffa8..30cce01ca4 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -227,8 +227,8 @@ typedef enum { #define TCG_TARGET_HAS_cmpsel_vec -1 =20 #define TCG_TARGET_deposit_i32_valid(ofs, len) \ - (((ofs) =3D=3D 0 && (len) =3D=3D 8) || ((ofs) =3D=3D 8 && (len) =3D=3D= 8) || \ - ((ofs) =3D=3D 0 && (len) =3D=3D 16)) + (((ofs) =3D=3D 0 && ((len) =3D=3D 8 || (len) =3D=3D 16)) || \ + (TCG_TARGET_REG_BITS =3D=3D 32 && (ofs) =3D=3D 8 && (len) =3D=3D 8)) #define TCG_TARGET_deposit_i64_valid TCG_TARGET_deposit_i32_valid =20 /* Check for the possibility of high-byte extraction and, for 64-bit, diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index a6b2eae995..ba40dd0f4d 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -144,7 +144,6 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKin= d kind, int slot) # define TCG_REG_L1 TCG_REG_EDX #endif =20 -#define ALL_BYTEH_REGS 0x0000000fu #if TCG_TARGET_REG_BITS =3D=3D 64 # define ALL_GENERAL_REGS 0x0000ffffu # define ALL_VECTOR_REGS 0xffff0000u @@ -152,7 +151,7 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKin= d kind, int slot) #else # define ALL_GENERAL_REGS 0x000000ffu # define ALL_VECTOR_REGS 0x00ff0000u -# define ALL_BYTEL_REGS ALL_BYTEH_REGS +# define ALL_BYTEL_REGS 0x0000000fu #endif #ifdef CONFIG_SOFTMMU # define SOFTMMU_RESERVE_REGS ((1 << TCG_REG_L0) | (1 << TCG_REG_L1)) @@ -2752,7 +2751,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcod= e opc, if (args[3] =3D=3D 0 && args[4] =3D=3D 8) { /* load bits 0..7 */ tcg_out_modrm(s, OPC_MOVB_EvGv | P_REXB_R | P_REXB_RM, a2, a0); - } else if (args[3] =3D=3D 8 && args[4] =3D=3D 8) { + } else if (TCG_TARGET_REG_BITS =3D=3D 32 && args[3] =3D=3D 8 && ar= gs[4] =3D=3D 8) { /* load bits 8..15 */ tcg_out_modrm(s, OPC_MOVB_EvGv, a2, a0 + 4); } else if (args[3] =3D=3D 0 && args[4] =3D=3D 16) { @@ -3312,7 +3311,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpc= ode op) =20 case INDEX_op_deposit_i32: case INDEX_op_deposit_i64: - return C_O1_I2(Q, 0, Q); + return C_O1_I2(q, 0, q); =20 case INDEX_op_setcond_i32: case INDEX_op_setcond_i64: --=20 2.34.1 From nobody Tue Jun 18 05:48:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1692197917; cv=none; d=zohomail.com; s=zohoarc; b=jW/1o/LSe4UM9nw23U63EehD5+mioFPWDVNe8/c9JE5O8Xfvt3PWqyhO65PhYAewpWOQ3TBxMuk9gMeIdb2z1L/MYdDFF6T0xDvehVI5vILEFTQ5pznHcrjrVWNrQKQErEyWLeh/nWXwjnrVhKjyVUL3qgmHjqp2BKwa6gWO+WI= ARC-Message-Signature: i=1; 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Wed, 16 Aug 2023 10:55:57 -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 1qWHwB-0006Hq-1D for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:55 -0400 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qWHw8-0002Pr-K6 for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:54 -0400 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-688779ffc0aso1062368b3a.3 for ; Wed, 16 Aug 2023 07:55:52 -0700 (PDT) Received: from stoup.. ([2602:47:d483:7301:a064:e3f9:a812:973b]) by smtp.gmail.com with ESMTPSA id fe22-20020a056a002f1600b00682a0184742sm11619069pfb.148.2023.08.16.07.55.50 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Aug 2023 07:55:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692197751; x=1692802551; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=eLqc+muX+VxtGt3ZBxBFdZ8gS0mNGlK6AnuAMXtjhV4=; b=I7tGdf4weuFFw93UmIFEABJA/nrvxFFvlTHmB8Equk8ZvGdJtjbSgQIjodMnBGvWSH 72HrnSofyrrwbtCf0y0RvRmT3J5oeh7fR/k2zPQ39rZ5x1KasAwk4SXIfairj4gkY2H7 FTOt68q643xijyJ8JHSB4m3ZMaAe5B0HPw98MHBexp9W3K88IXf0whOiIuAQaS7PorjL K5aAcegM6rMGzHcptqghK7J2EHjOtNx6BYZpZ707pIlBdh0SfK9pUJA8geuCEJLI+zBf EdqClqyVh6U7SD4dKJOAtUpE53+fMo0lW8aqBoE8v2Awh/3uvx/8bjljOKdV6jKpZcRS 8E5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692197751; x=1692802551; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eLqc+muX+VxtGt3ZBxBFdZ8gS0mNGlK6AnuAMXtjhV4=; b=ZsZtFBcXBeQG2+L+AUxvH0RpNou/4iqqqvv4/Dy4qJf6TkUoc8nseYMpTyqkfv/irL MKmRwXbuxqHyfMZlm8VLiBsAS9LHubjYNDj+AsXg4kXMZ4bEn2ZoAbLIxRTbup+9S/ay 96qj9ANHv/mBWtBkJwC8hHppVJR15bBF1NPp9wcrbciRK0zlwNhyYdvYHqXFwGKdYSAl h0BNuETDom5H47blV9510jvgAjmzvYJF/RNMGXGKReLKlWWvjUwZXZVM+cQ8JlbUsZcJ 9yJIVp6JEpIb2ceI5Sj1l/KOzbOYBXvdgb36r8WDRmYTHK/2HsK+DBdLK6vlLFIM3gHv JJcA== X-Gm-Message-State: AOJu0YxqDqYIQH9hX2tfLknZZVDem0Yd8a7jmMYNVDLehtmVJ1x3q3qe BhSzfXki0x3y72UyOQhh3wuC6FX+5pPVB7GbFmU= X-Google-Smtp-Source: AGHT+IGYEAmlNzYXb1QRKpXDS4bKt/C42HXNu+h2FDooam1Rl5Kc4mfCT97Ril1Ljx1mlYIvNJsC9A== X-Received: by 2002:a05:6a00:16c2:b0:688:94da:8aa1 with SMTP id l2-20020a056a0016c200b0068894da8aa1mr1361301pfc.29.1692197751306; Wed, 16 Aug 2023 07:55:51 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 2/3] tcg: Fold deposit with zero to and Date: Wed, 16 Aug 2023 07:55:46 -0700 Message-Id: <20230816145547.477974-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230816145547.477974-1-richard.henderson@linaro.org> References: <20230816145547.477974-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x434.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1692197918525100002 Content-Type: text/plain; charset="utf-8" Inserting a zero into a value, or inserting a value into zero at offset 0 my be implemented with AND. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/optimize.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/tcg/optimize.c b/tcg/optimize.c index d2156367a3..956114b631 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1279,6 +1279,8 @@ static bool fold_ctpop(OptContext *ctx, TCGOp *op) =20 static bool fold_deposit(OptContext *ctx, TCGOp *op) { + TCGOpcode and_opc; + if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) { uint64_t t1 =3D arg_info(op->args[1])->val; uint64_t t2 =3D arg_info(op->args[2])->val; @@ -1287,6 +1289,39 @@ static bool fold_deposit(OptContext *ctx, TCGOp *op) return tcg_opt_gen_movi(ctx, op, op->args[0], t1); } =20 + switch (ctx->type) { + case TCG_TYPE_I32: + and_opc =3D INDEX_op_and_i32; + break; + case TCG_TYPE_I64: + and_opc =3D INDEX_op_and_i64; + break; + default: + g_assert_not_reached(); + } + + if (arg_is_const(op->args[1]) + && arg_info(op->args[1])->val =3D=3D 0 + && op->args[3] =3D=3D 0) { + uint64_t mask =3D MAKE_64BIT_MASK(0, op->args[4]); + + op->opc =3D and_opc; + op->args[1] =3D op->args[2]; + op->args[2] =3D temp_arg(tcg_constant_internal(ctx->type, mask)); + ctx->z_mask =3D mask & arg_info(op->args[1])->z_mask; + return false; + } + + if (arg_is_const(op->args[2]) + && arg_info(op->args[2])->val =3D=3D 0) { + uint64_t mask =3D deposit64(-1, op->args[3], op->args[4], 0); + + op->opc =3D and_opc; + op->args[2] =3D temp_arg(tcg_constant_internal(ctx->type, mask)); + ctx->z_mask =3D mask & arg_info(op->args[1])->z_mask; + return false; + } + ctx->z_mask =3D deposit64(arg_info(op->args[1])->z_mask, op->args[3], op->args[4], arg_info(op->args[2])->z_mask); --=20 2.34.1 From nobody Tue Jun 18 05:48:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1692197917; cv=none; d=zohomail.com; s=zohoarc; b=FyqnmbAUedzNjXThJaVVFclM2klGkFdVwAB6XVRHGHxzF2vWqXWyFmKqXUk3+W0jlIAEm4aa4oiMikhB+zWU8JEJs23P3WRnDm3hJ8L9qGz/b8IAtzlNNoGGfiCKi+hhNyTEe31TnG5xVhbDy6Y+laIUSxcqb4UUHmMc2U/mmIU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1692197917; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=RrBXPCmtxi2l32z22RsMKS01gRHTx3LMYN0oD4z3IA4=; b=SytYpij4viUd2mCtJCA/Z1T5k1u+w+auBR7wLCXXP2phfcdp3akmrB+GglXU/7dgeB1i/8bM88Ejc+md/NhDu/pqWtauVE0M8I7HwgREpdnEZS1VoZ2fbsnjo3f4q6X5+UKPOY1Ku8x0pvuXevIoow4pjwcn3+WslpeO43l/rhA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1692197917650364.9610558312562; Wed, 16 Aug 2023 07:58:37 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWHwH-0006Z5-HI; Wed, 16 Aug 2023 10:56:01 -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 1qWHwC-0006KQ-28 for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:56 -0400 Received: from mail-pf1-x42d.google.com ([2607:f8b0:4864:20::42d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qWHw9-0002Qd-DW for qemu-devel@nongnu.org; Wed, 16 Aug 2023 10:55:55 -0400 Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-688787570ccso977500b3a.2 for ; Wed, 16 Aug 2023 07:55:52 -0700 (PDT) Received: from stoup.. ([2602:47:d483:7301:a064:e3f9:a812:973b]) by smtp.gmail.com with ESMTPSA id fe22-20020a056a002f1600b00682a0184742sm11619069pfb.148.2023.08.16.07.55.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Aug 2023 07:55:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692197752; x=1692802552; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=RrBXPCmtxi2l32z22RsMKS01gRHTx3LMYN0oD4z3IA4=; b=nhApJmCzCtugFoJs/TdXOIXkF0lzMG1FpvUDbmwxTbzXjmdiWzZu1g071ZIxRw9ZUi v2Mav9ccj53+yGStxowiOkvNP3akWWhb0UD7CtRcK5vWfbqROm7V9575QVhVbbG3dr48 s54nw5PjXFGOj/qnrHoU01WdkJhu6L6RBxpuqwgFzf32mkbYoIVxmUVavOPe+hGewti1 06sOBwRChn0pmJdNd3PfyLuWgOjiFnLj5k5hI4CpstkRuZh/s1ML/pKQl+k4rHlzP6aS 9g/+OUDoPqsNZWvuQrIuuLO2JuU4MKbMXOWpFnO6E5+WITMvjxV6FuUunN1RoZWVQhI3 YUgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692197752; x=1692802552; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=RrBXPCmtxi2l32z22RsMKS01gRHTx3LMYN0oD4z3IA4=; b=TzYaqcrRsmfXKMl/MyJCHpUxVfMZxRd0kUP+055hd2lCX7obbO2aA2nYs1wwcwHxIM ASC4EM2aUDoWtGIeuP01S90/ThKfDIfBuMQjX2++gCGD6HHovIAew+zI7Q0RV7t2glBv An1NCxzCkT7V+SLDnRy5pQ3Ttf6/7HEZYH5UolZwR/gAXvXKw2TU4QOwj45usDz6Es4+ oitUBprIh/iwwUS3ynYkTa8PJYesSp++K8wDEYqD13K146xYquEezAof9oaqFuVcWTCK nv59jyPjUiSf/6hizSJV50jFXRBAhCKP9Ces7CJXdOCAf4Fn2Kq4XP+DhePOkIyJXLrI qzSA== X-Gm-Message-State: AOJu0YzJNb65qQW4rU2ju2LCICoar6Xxg9PqeB2Tco2ayjyBfZ9DaFvP cxSJvXCZLeWwPPaKfXHi2NRIDQcmtMNPtcv4QE8= X-Google-Smtp-Source: AGHT+IHtY6/2kGuwvq1aXM26wfImuh+poA7jijq9alGwwYvMIsYFmjU6+5l2CodEeACWeG+37AuqeA== X-Received: by 2002:a05:6a20:8421:b0:141:d54e:a908 with SMTP id c33-20020a056a20842100b00141d54ea908mr2647503pzd.41.1692197752079; Wed, 16 Aug 2023 07:55:52 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 3/3] tcg/i386: Allow immediate as input to deposit_* Date: Wed, 16 Aug 2023 07:55:47 -0700 Message-Id: <20230816145547.477974-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230816145547.477974-1-richard.henderson@linaro.org> References: <20230816145547.477974-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42d.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1692197918490100001 Content-Type: text/plain; charset="utf-8" We can use MOVB and MOVW with an immediate just as easily as with a register input. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- tcg/i386/tcg-target-con-set.h | 2 +- tcg/i386/tcg-target.c.inc | 26 ++++++++++++++++++++++---- 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/tcg/i386/tcg-target-con-set.h b/tcg/i386/tcg-target-con-set.h index 3949d49538..7d00a7dde8 100644 --- a/tcg/i386/tcg-target-con-set.h +++ b/tcg/i386/tcg-target-con-set.h @@ -33,7 +33,7 @@ C_O1_I1(r, q) C_O1_I1(r, r) C_O1_I1(x, r) C_O1_I1(x, x) -C_O1_I2(q, 0, q) +C_O1_I2(q, 0, qi) C_O1_I2(q, r, re) C_O1_I2(r, 0, ci) C_O1_I2(r, 0, r) diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index ba40dd0f4d..3045b56002 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -276,6 +276,7 @@ static bool tcg_target_const_match(int64_t val, TCGType= type, int ct) #define OPC_MOVL_GvEv (0x8b) /* loads, more or less */ #define OPC_MOVB_EvIz (0xc6) #define OPC_MOVL_EvIz (0xc7) +#define OPC_MOVB_Ib (0xb0) #define OPC_MOVL_Iv (0xb8) #define OPC_MOVBE_GyMy (0xf0 | P_EXT38) #define OPC_MOVBE_MyGy (0xf1 | P_EXT38) @@ -2750,13 +2751,30 @@ static inline void tcg_out_op(TCGContext *s, TCGOpc= ode opc, OP_32_64(deposit): if (args[3] =3D=3D 0 && args[4] =3D=3D 8) { /* load bits 0..7 */ - tcg_out_modrm(s, OPC_MOVB_EvGv | P_REXB_R | P_REXB_RM, a2, a0); + if (const_a2) { + tcg_out_opc(s, OPC_MOVB_Ib | P_REXB_RM | LOWREGMASK(a0), + 0, a0, 0); + tcg_out8(s, a2); + } else { + tcg_out_modrm(s, OPC_MOVB_EvGv | P_REXB_R | P_REXB_RM, a2,= a0); + } } else if (TCG_TARGET_REG_BITS =3D=3D 32 && args[3] =3D=3D 8 && ar= gs[4] =3D=3D 8) { /* load bits 8..15 */ - tcg_out_modrm(s, OPC_MOVB_EvGv, a2, a0 + 4); + if (const_a2) { + tcg_out8(s, OPC_MOVB_Ib + a0 + 4); + tcg_out8(s, a2); + } else { + tcg_out_modrm(s, OPC_MOVB_EvGv, a2, a0 + 4); + } } else if (args[3] =3D=3D 0 && args[4] =3D=3D 16) { /* load bits 0..15 */ - tcg_out_modrm(s, OPC_MOVL_EvGv | P_DATA16, a2, a0); + if (const_a2) { + tcg_out_opc(s, OPC_MOVL_Iv | P_DATA16 | LOWREGMASK(a0), + 0, a0, 0); + tcg_out16(s, a2); + } else { + tcg_out_modrm(s, OPC_MOVL_EvGv | P_DATA16, a2, a0); + } } else { g_assert_not_reached(); } @@ -3311,7 +3329,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpc= ode op) =20 case INDEX_op_deposit_i32: case INDEX_op_deposit_i64: - return C_O1_I2(q, 0, q); + return C_O1_I2(q, 0, qi); =20 case INDEX_op_setcond_i32: case INDEX_op_setcond_i64: --=20 2.34.1