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[156.19.246.23]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72aad8fb895sm10027159b3a.162.2024.12.24.12.05.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2024 12:05:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1735070732; x=1735675532; 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=hpqpgVCVgx0sIQuZRDJGY03SPPXo8ssS0CTWPjNfIQM=; b=Tx0ERFhmSuQSAnPUkhaOkpsKzaU2ICcLwa7+EWwS6qbL5L2nebL8EbOXPqBG74czwM 1DlSQFHk2dQda+X/etHqVJSqLcXrnwdOxk+dT3ja585O4ZlGA3MhU5nYwF5P0+F0uO4l n86GmhAPX+3mvzBbGeIqTIns6JFqZyxs6AKfhMIasQWeI5mWZKsT3GuWLGZbVMh4UVdv QmC3/Z+E/6bKapKryT8Q780jjuWg9RmvxaMOmgK0x6Y5V0vOkrAQEsZ4DgmCO/e1Kf5Y 6EYyf+hx/pB5RAA8bKo04y+L78tEMVgUbfJT18FEygD00ISnMve+6piE4W4KAe3ui6Me V9gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735070732; x=1735675532; 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=hpqpgVCVgx0sIQuZRDJGY03SPPXo8ssS0CTWPjNfIQM=; b=ducOX/NDk9suXOYdhsuDA9NDKcuY2bpK+0dVCg85pfSHPI+8ECMVtkCkGiBAn3US3t MMro4ZF2Sf2GttaAafgnyDHmLtVFkCPm24qNYzFIMgk5fiJkxNfYDng0heHQ+s7VVimb FlsfK5IB24tzAU5SGIaqLa0OaeOU2KTl94xv6NhCcZDixE/wBUt2oMA+TABkQu7uAD9I sK7rnt1WBNVDv8exESMvjJ+l89Me0q5rVJiv+SKExmnnAQ4kvG4V5loqnjHbX15dYkuD bEiIoHfM455vNkgGCrnjrJedURvywT2EFsqVImSJiWR40rjnnxODbjVba4GmUmw0FXmL GgsA== X-Gm-Message-State: AOJu0YyLxlhZJ+ircqRk++Lk/qilngZ8+k4IXKturwnploc6aDYjlf6x Hlw6f6qwiClaLaSeIy0KI4U7m05wmoYYeGFPj5mMDueBqvGaSfMjuYtG7STQfGko8H+YoiDI7Ga v01A= X-Gm-Gg: ASbGncsIvmsmojE085m8AykEwae+ZeoCWK/7lX/75j1hvcilz94aWNJ82s99YLAFmwD nAqVDFanhgkzJRRrRx4pBuO61gPoPqcSUZX2pP4zZaq/bVsARbQXivTev+Tn5829ujMW+Ntwx6r xxoOXkAeUs7N4ei/aKm4B1Gwi2du6bKEdtphySUOr/WkzBq+iePrFVQxxmArQEeVHrqZ8NTTiPm oyr0U0K/Cm+5LIWOBinu1H6If7o0CLnblskOckalNYBppMgfXzIf39o5iTL6wQB+1ZeO2WtI3EQ CP99Z4HYDna56XpeaLL87ThBQg== X-Google-Smtp-Source: AGHT+IHIv/5qI5sgC3qnRqI/s9YrpHiU69uSTCw74PQ79sbECIVOW1NC6Ew3wnS0DWwHQH1HOInm5w== X-Received: by 2002:a05:6a00:8085:b0:725:e309:7110 with SMTP id d2e1a72fcca58-72abdd3bf64mr26835076b3a.5.1735070732617; Tue, 24 Dec 2024 12:05:32 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Pierrick Bouvier Subject: [PULL 11/72] tcg/optimize: Use fold_masks_zs in fold_and Date: Tue, 24 Dec 2024 12:04:20 -0800 Message-ID: <20241224200521.310066-12-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::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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: 1735070986607116600 Content-Type: text/plain; charset="utf-8" Avoid the use of the OptContext slots. Find TempOptInfo once. Sink mask computation below fold_affected_mask early exit. Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- tcg/optimize.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 5090f6e759..4a5b52916a 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1294,7 +1294,8 @@ static bool fold_add2(OptContext *ctx, TCGOp *op) =20 static bool fold_and(OptContext *ctx, TCGOp *op) { - uint64_t z1, z2; + uint64_t z1, z2, z_mask, s_mask; + TempOptInfo *t1, *t2; =20 if (fold_const2_commutative(ctx, op) || fold_xi_to_i(ctx, op, 0) || @@ -1303,27 +1304,28 @@ static bool fold_and(OptContext *ctx, TCGOp *op) return true; } =20 - z1 =3D arg_info(op->args[1])->z_mask; - z2 =3D arg_info(op->args[2])->z_mask; - ctx->z_mask =3D z1 & z2; - - /* - * Sign repetitions are perforce all identical, whether they are 1 or = 0. - * Bitwise operations preserve the relative quantity of the repetition= s. - */ - ctx->s_mask =3D arg_info(op->args[1])->s_mask - & arg_info(op->args[2])->s_mask; + t1 =3D arg_info(op->args[1]); + t2 =3D arg_info(op->args[2]); + z1 =3D t1->z_mask; + z2 =3D t2->z_mask; =20 /* * Known-zeros does not imply known-ones. Therefore unless * arg2 is constant, we can't infer affected bits from it. */ - if (arg_is_const(op->args[2]) && - fold_affected_mask(ctx, op, z1 & ~z2)) { + if (ti_is_const(t2) && fold_affected_mask(ctx, op, z1 & ~z2)) { return true; } =20 - return fold_masks(ctx, op); + z_mask =3D z1 & z2; + + /* + * Sign repetitions are perforce all identical, whether they are 1 or = 0. + * Bitwise operations preserve the relative quantity of the repetition= s. + */ + s_mask =3D t1->s_mask & t2->s_mask; + + return fold_masks_zs(ctx, op, z_mask, s_mask); } =20 static bool fold_andc(OptContext *ctx, TCGOp *op) --=20 2.43.0