From patchwork Tue Nov 22 18:08:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13052640 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 20776C4332F for ; Tue, 22 Nov 2022 18:09:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oxXh8-0001So-7K; Tue, 22 Nov 2022 13:08:30 -0500 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 1oxXh2-0001Nv-NN for qemu-devel@nongnu.org; Tue, 22 Nov 2022 13:08:25 -0500 Received: from mail-wm1-x32c.google.com ([2a00:1450:4864:20::32c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oxXh1-0000NU-2a for qemu-devel@nongnu.org; Tue, 22 Nov 2022 13:08:24 -0500 Received: by mail-wm1-x32c.google.com with SMTP id v7so11340304wmn.0 for ; Tue, 22 Nov 2022 10:08:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=Q7tm1bhBcyuyPxnOlxXqA0DnnV9CFx9sxG0g/SSnkGA=; b=LJ+W+Pum0r5pudghn5r+NXFW4czYWWDGUlcygL/BdM9atcw2EY8FePsCv52yHFhRQM VGP+gq234eplFgthC5GRTdgWjHzry9luIdjJDrWB7xaheHfelnjZ5fUX/q4X0DSV80AL w7lQri4jHWHdS8mVdVU1mAIex8zNczKTjx+JmdiKI3MUJnYWV4YosJovJNbM8w+iYbqK 1pGjLiIlEvrU9uwfdwaKSbzLCWdutFE7e28mSrCuW7uBQ7gqVWPaNJi9Vjwx6RYYeDVE WkkKRN3i7tTfMtjk3+D5LvwgD66jFcWETpckdlc0OK/U7MNBfeaZhwNvVkfSWwCS5dgP kBOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=Q7tm1bhBcyuyPxnOlxXqA0DnnV9CFx9sxG0g/SSnkGA=; b=i2JG2xmouQDztXwla/6Suig/XmDjTskZJq0QyDL2eVSIyCKueVUfZPt5WVTzNmbxaX 0ptAiN4RIgDqScfvN7k0YJKr16yO5qqilNp0UvswrEYGDY6jPpr722STo9IuPVXdHx3k FSQ0kH9fZHB0hUeOIfx+XkA7fogHCq2xzsog0zgl3VyXvZMe1c3wxVA6VBkHy1XbyKkg R5WlkvNMYh5NmtjtUYiE3wE2H0ZPM2Y02+lfSStdBUmE6uAHh07hsCgwIxxQcFs6SPcL gBxKHu96fZ2+O1HsIg5YCGyspKyTK45N88H9tJyDAvFOOpoOJw/m6wDVzxmt9kYFfDDp Gwvg== X-Gm-Message-State: ANoB5pn77GwxXb29UmaMx+Jh4TxcOWd8sEjPz8PXQHxQHlSstHkHXmwg y0q5xyvMl0DCqZpJDnpVK6ej2y+5cCWj2A== X-Google-Smtp-Source: AA0mqf78hYl6IcfTkmBVoCxb392OuiP0zp1Oh3B+aRK6+DzocQpr4BWRNE/0YJwE8Hd50aONPeIpBQ== X-Received: by 2002:a05:600c:a41:b0:3cf:895a:b22b with SMTP id c1-20020a05600c0a4100b003cf895ab22bmr4601445wmq.81.1669140501234; Tue, 22 Nov 2022 10:08:21 -0800 (PST) Received: from localhost.localdomain ([185.126.107.38]) by smtp.gmail.com with ESMTPSA id r7-20020a05600c458700b003a3170a7af9sm18859201wmo.4.2022.11.22.10.08.20 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 22 Nov 2022 10:08:20 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , =?utf-8?q?Philippe_Mat?= =?utf-8?q?hieu-Daud=C3=A9?= Subject: [PATCH 3/3] tcg: Move ffi_cif pointer into TCGHelperInfo Date: Tue, 22 Nov 2022 19:08:04 +0100 Message-Id: <20221122180804.938-4-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221122180804.938-1-philmd@linaro.org> References: <20221111074101.2069454-27-richard.henderson@linaro.org> <20221122180804.938-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.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 From: Richard Henderson Instead of requiring a separate hash table lookup, put a pointer to the CIF into TCGHelperInfo. Signed-off-by: Richard Henderson Message-Id: <20221111074101.2069454-27-richard.henderson@linaro.org> [PMD: Split from bigger patch] Signed-off-by: Philippe Mathieu-Daudé --- tcg/tcg-internal.h | 7 +++++++ tcg/tcg.c | 26 ++++++++++++++------------ 2 files changed, 21 insertions(+), 12 deletions(-) diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h index c7e87e193d..6e50aeba3a 100644 --- a/tcg/tcg-internal.h +++ b/tcg/tcg-internal.h @@ -25,6 +25,10 @@ #ifndef TCG_INTERNAL_H #define TCG_INTERNAL_H +#ifdef CONFIG_TCG_INTERPRETER +#include +#endif + #define TCG_HIGHWATER 1024 /* @@ -57,6 +61,9 @@ typedef struct TCGCallArgumentLoc { typedef struct TCGHelperInfo { void *func; const char *name; +#ifdef CONFIG_TCG_INTERPRETER + ffi_cif *cif; +#endif unsigned typemask : 32; unsigned flags : 8; unsigned nr_in : 8; diff --git a/tcg/tcg.c b/tcg/tcg.c index 9b24b4d863..d6a3036412 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -552,8 +552,6 @@ static TCGHelperInfo all_helpers[] = { static GHashTable *helper_table; #ifdef CONFIG_TCG_INTERPRETER -static GHashTable *ffi_table; - static ffi_type *typecode_to_ffi(int argmask) { switch (argmask) { @@ -576,9 +574,11 @@ static ffi_type *typecode_to_ffi(int argmask) static void init_ffi_layouts(void) { /* g_direct_hash/equal for direct comparisons on uint32_t. */ - ffi_table = g_hash_table_new(NULL, NULL); + GHashTable *ffi_table = g_hash_table_new(NULL, NULL); + for (int i = 0; i < ARRAY_SIZE(all_helpers); ++i) { - uint32_t typemask = all_helpers[i].typemask; + TCGHelperInfo *info = &all_helpers[i]; + unsigned typemask = info->typemask; gpointer hash = (gpointer)(uintptr_t)typemask; struct { ffi_cif cif; @@ -586,8 +586,11 @@ static void init_ffi_layouts(void) } *ca; ffi_status status; int nargs; + ffi_cif *cif; - if (g_hash_table_lookup(ffi_table, hash)) { + cif = g_hash_table_lookup(ffi_table, hash); + if (cif) { + info->cif = cif; continue; } @@ -611,8 +614,12 @@ static void init_ffi_layouts(void) ca->cif.rtype, ca->cif.arg_types); assert(status == FFI_OK); - g_hash_table_insert(ffi_table, hash, (gpointer)&ca->cif); + cif = &ca->cif; + info->cif = cif; + g_hash_table_insert(ffi_table, hash, (gpointer)cif); } + + g_hash_table_destroy(ffi_table); } #endif /* CONFIG_TCG_INTERPRETER */ @@ -4413,12 +4420,7 @@ static void tcg_reg_alloc_call(TCGContext *s, TCGOp *op) } #ifdef CONFIG_TCG_INTERPRETER - { - gpointer hash = (gpointer)(uintptr_t)info->typemask; - ffi_cif *cif = g_hash_table_lookup(ffi_table, hash); - assert(cif != NULL); - tcg_out_call(s, tcg_call_func(op), cif); - } + tcg_out_call(s, tcg_call_func(op), info->cif); #else tcg_out_call(s, tcg_call_func(op)); #endif