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[156.19.246.23]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72aad8fb895sm10027159b3a.162.2024.12.24.12.05.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2024 12:05:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1735070736; x=1735675536; 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=u/uXovwT+peKJg+4w3zvH44hwa1dOgTurwD+a66/j/A=; b=AF91Q8OV/RUZhcV3F0f6yyryH5Ut3fTIDNfgEafA7pQIkz9AL6WHSLjdZ0E/zRPhf0 gH+2q9IrBvbRUuFuio9dg/g/6BLOTYcleSJdpFRCGYY/C/uc3imLH1mVh2EI79aeZpte zZ1+u1PnriNquBED8CiOvQiRRGzKKhaRjQwLGIcBpfPKfvN4KTsa6thJ3eJB2Z+EviZ3 zv30Wnw0930dvEX+SoAJ1a1Aur43G7EybIUHxFWHvIYRSjd6VdUSTFlLiBEESPQMgBUz W3MZrwMxaUitfMBxp+PczFyyIg13zHafh3FF7yofSN85MM8qgraVir1IsDrKhjZfNKIj zPbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735070736; x=1735675536; 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=u/uXovwT+peKJg+4w3zvH44hwa1dOgTurwD+a66/j/A=; b=WCRWJ0hS5Qc0N/8FCmImpqoQhfrmAvz8voHNL30fJf2z5TrFYImpgTd9ZrN5/xSZYy M0m43RLbN4MpsnuemGbhKcm3O+BoGzk3Sl0nQtG1G3FIVNqsvTh3K8c5I5j/Bv48E6M/ sEzdRdn0Mo0SGes7P7LocCOs4wLG9l5sAl88JzhSXuVcrO9xaIGCueP1r2F5b0VHo4Gh MqU1vrBRnWwC5h/nblXK2xBalIf88+lPVK2PE9bpoxnY31nfmOAsU3yuw5ntuc9egZ0G mKcirui55y20vkhE0dc/nK0qf0GiO6jv3xqq0x0yfDTX/ufTasMKvvnga7RenUukA2Yj kDoQ== X-Gm-Message-State: AOJu0YzNUrhH8/Yl65YE8PpjZvaP2dKm4ncMSld909sxbPy9+gLS2nL9 Vto0FWTGxoXLFFK98iU0DVkgGLakihBMsywIlOvim39gbLjIzGzNhxPO/OgKbDc86XCONrqeZUV AWcs= X-Gm-Gg: ASbGncvwZbgYP0X49Fz8kUFIyBmH31Ah+i45TGVVFXa4rrAQAoMMt8/UT+Q6F/RlSuQ gQ+t2VK5i5Vs8Ur5CbgPQFm4avWflNMHGAFudnkD1zWe+sO74RSEUDxkF7hvYlMkHeimPreSa41 nignGMnBDlaIT1QjKyrcIH+mi3v1QOMC7DYfQYkdtC47cIlw6I7RXrc7MjHQQ57GRggwmO32Y6C tOOHxLxLZLrCAFi3ggRLVCaN5TytlwT+7nXG8SjrL7pejRfaqb+M9TSRs3CN1qO2LJxP9JMV7// Dmr94M8I8ZBA15XLYAL7Wuhobg== X-Google-Smtp-Source: AGHT+IGYu6HQZOrFX5XlLQJEN13CA/IEw/693zbVd+jqpSO6bK2B7EDsYe9fVG8mQzejx2aAZLWEmA== X-Received: by 2002:a05:6a21:3a44:b0:1e0:ca95:3cb3 with SMTP id adf61e73a8af0-1e5e083e416mr28581928637.37.1735070735680; Tue, 24 Dec 2024 12:05:35 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Pierrick Bouvier Subject: [PULL 14/72] tcg/optimize: Use fold_masks_zs in fold_count_zeros Date: Tue, 24 Dec 2024 12:04:23 -0800 Message-ID: <20241224200521.310066-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241224200521.310066-1-richard.henderson@linaro.org> References: <20241224200521.310066-1-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::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.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: 1735070882182116600 Content-Type: text/plain; charset="utf-8" Avoid the use of the OptContext slots. Find TempOptInfo once. Compute s_mask from the union of the maximum count and the op2 fallback for op1 being zero. Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- tcg/optimize.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 054109d347..0766a452b5 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1566,10 +1566,12 @@ static bool fold_call(OptContext *ctx, TCGOp *op) =20 static bool fold_count_zeros(OptContext *ctx, TCGOp *op) { - uint64_t z_mask; + uint64_t z_mask, s_mask; + TempOptInfo *t1 =3D arg_info(op->args[1]); + TempOptInfo *t2 =3D arg_info(op->args[2]); =20 - if (arg_is_const(op->args[1])) { - uint64_t t =3D arg_info(op->args[1])->val; + if (ti_is_const(t1)) { + uint64_t t =3D ti_const_val(t1); =20 if (t !=3D 0) { t =3D do_constant_folding(op->opc, ctx->type, t, 0); @@ -1588,8 +1590,11 @@ static bool fold_count_zeros(OptContext *ctx, TCGOp = *op) default: g_assert_not_reached(); } - ctx->z_mask =3D arg_info(op->args[2])->z_mask | z_mask; - return false; + s_mask =3D ~z_mask; + z_mask |=3D t2->z_mask; + s_mask &=3D t2->s_mask; + + return fold_masks_zs(ctx, op, z_mask, s_mask); } =20 static bool fold_ctpop(OptContext *ctx, TCGOp *op) --=20 2.43.0