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[174.21.70.228]) by smtp.gmail.com with ESMTPSA id h20sm2242022pfh.24.2021.06.14.01.38.07 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 01:38:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=zQzRjvOakCYe5ymfrsL9K6I+o9h5yKvhTAHMO1Me0hs=; b=AcyJl20AfC6nMQHjLHLKXQKkpEH2Ww0L2W82ZL6QjHSn5z01PHtC/LCXQRwkhJ8S13 CBqE1atndraO9Z9zInGA7jZeiMb8Xze19bwc8O7OntzCYgEu/Vi+0MfTFtwObtXNDXrP RizSbO3Du/lzkaNEwMGpKLcGNPEDiaftUhv+BJw0+9J2SitnSeh0DZATjvYwYiyk7Gq6 DjdBWQDm5NCxEZ/kQl0g5e7i2DjbEtn0VNFKbuuEK1GEcUuFDaKbryQQA8Jem1WM9y7F CiJDJX9kHf2N5MEHllgJHEilvcB/rpM79EYeLK0NPMonmQ5ZeuiPWxW4eIxGrwUFy8QZ Bn0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zQzRjvOakCYe5ymfrsL9K6I+o9h5yKvhTAHMO1Me0hs=; b=J7e4boxyav/2KISdklT5Cmb84I9EX5EOOQuPr7F/kT0oyz8T5299RDfUiyRnvp0I9R PJ8i4DFWzczStG2TXyB0q1ON4IUop8LcfxnVkOIL50Gs6RxU3qdm567E9Lykai/8//4m vPE/PRGlP2cEpTlnQ43fuetUazA9LmyeK3c+fpIOprQPwkOS4wzIw0jAx63P8s0C4iWn GrL7n2O8sxvsdsodUjdCTAIZBnDcS7m1HTd1wscUSDszOmVvYDlOalQaY51tm5WkZjMR GCDZhW7XsncHBsQh+Y2GWL7635iU9g89WCBnmrUyVoLqzUxQ3VYCWDWxMVbjaKnDJnqZ X83g== X-Gm-Message-State: AOAM533LvQtHokRGy1UOeYfaWQaClZKMDUSaqNuKHQOhQTq9ehiEMqqt 63GI64KUA5trlmDdMwc3BZKiR0IugZ/iWQ== X-Google-Smtp-Source: ABdhPJzbC7Vl8Oq7mk0j4ush9Iex5aSf9tpX1uam2VLWmjC+ZR0ALLupW+k2LztgXejPqpSiuQkOcw== X-Received: by 2002:a17:90b:3882:: with SMTP id mu2mr12872586pjb.170.1623659888287; Mon, 14 Jun 2021 01:38:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 11/28] tcg/ppc: Use power10 byte-reverse instructions Date: Mon, 14 Jun 2021 01:37:43 -0700 Message-Id: <20210614083800.1166166-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210614083800.1166166-1-richard.henderson@linaro.org> References: <20210614083800.1166166-1-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::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.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: 2.1.23 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" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.c.inc | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index e868417168..af87643f54 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -413,6 +413,10 @@ static bool tcg_target_const_match(int64_t val, TCGTyp= e type, int ct) #define SRAD XO31(794) #define SRADI XO31(413<<1) =20 +#define BRH XO31(219) +#define BRW XO31(155) +#define BRD XO31(187) + #define TW XO31( 4) #define TRAP (TW | TO(31)) =20 @@ -748,6 +752,11 @@ static inline void tcg_out_ext16s(TCGContext *s, TCGRe= g dst, TCGReg src) tcg_out32(s, EXTSH | RA(dst) | RS(src)); } =20 +static inline void tcg_out_ext16u(TCGContext *s, TCGReg dst, TCGReg src) +{ + tcg_out32(s, ANDI | SAI(src, dst, 0xffff)); +} + static inline void tcg_out_ext32s(TCGContext *s, TCGReg dst, TCGReg src) { tcg_out32(s, EXTSW | RA(dst) | RS(src)); @@ -792,6 +801,16 @@ static void tcg_out_bswap16(TCGContext *s, TCGReg dst,= TCGReg src, int flags) { TCGReg tmp =3D dst =3D=3D src ? TCG_REG_R0 : dst; =20 + if (have_isa_3_10) { + tcg_out32(s, BRH | RA(dst) | RS(src)); + if (flags & TCG_BSWAP_OS) { + tcg_out_ext16s(s, dst, dst); + } else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) =3D=3D TCG_BSWA= P_OZ) { + tcg_out_ext16u(s, dst, dst); + } + return; + } + /* src =3D xxxx abcd */ tcg_out_rlw(s, RLWINM, tmp, src, 24, 24, 31); /* tmp =3D 0000 000c */ tcg_out_rlw(s, RLWIMI, tmp, src, 8, 16, 23); /* tmp =3D 0000 00dc */ @@ -807,6 +826,16 @@ static void tcg_out_bswap32(TCGContext *s, TCGReg dst,= TCGReg src, int flags) { TCGReg tmp =3D dst =3D=3D src ? TCG_REG_R0 : dst; =20 + if (have_isa_3_10) { + tcg_out32(s, BRW | RA(dst) | RS(src)); + if (flags & TCG_BSWAP_OS) { + tcg_out_ext32s(s, dst, src); + } else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) =3D=3D TCG_BSWA= P_OZ) { + tcg_out_ext32u(s, dst, dst); + } + return; + } + /* Stolen from gcc's builtin_bswap32. src =3D xxxx abcd */ tcg_out_rlw(s, RLWINM, tmp, src, 8, 0, 31); /* tmp =3D 0000 bcda */ tcg_out_rlw(s, RLWIMI, tmp, src, 24, 0, 7); /* tmp =3D 0000 dcda */ @@ -824,6 +853,11 @@ static void tcg_out_bswap64(TCGContext *s, TCGReg dst,= TCGReg src) TCGReg t0 =3D dst =3D=3D src ? TCG_REG_R0 : dst; TCGReg t1 =3D dst =3D=3D src ? dst : TCG_REG_R0; =20 + if (have_isa_3_10) { + tcg_out32(s, BRD | RA(dst) | RS(src)); + return; + } + /* src =3D abcd efgh */ tcg_out_rlw(s, RLWINM, t0, src, 8, 0, 31); /* t0 =3D 0000 fghe */ tcg_out_rlw(s, RLWIMI, t0, src, 24, 0, 7); /* t0 =3D 0000 hghe */ --=20 2.25.1