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([2602:47:d48a:1201:e3cc:2e37:17d4:f1d5]) by smtp.gmail.com with ESMTPSA id d12-20020a170903230c00b00186f0f59c85sm4637075plh.235.2022.12.01.21.40.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Dec 2022 21:40:21 -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=kcsaITVUaZwX2W3VYFeAudOGzYmg0UWJ+TXMDg4IToo=; b=HRQgHXeaXaSkuEVlXHqbcguF9eYqOOEbK/BfX6f1Bxtx8k/FKyNyq0VGceo2Xs1YfG ZD3FKDqE6ruOwFibpuJNkZ2H31QSkoG4u6vVvPepwmBh9phKihYhhFdZAqmNACpvRqhk 3dd/3lzxBJPT7wrjlJTGUtQpwsIpq6ShHqNgVT19bBG3JX3FBxhFaCPIkGJtZHZLTvEA q+EG4Fb7mj8ZRwTCXDu4NdaJGxeD6RtGrLR8KuN5h53nm6UqDbpAuIqxeKTjCZCOJ/fu f2nMGvyC3dk1P9shoT6yUobF4ODTWMeo44HCfT/hTSYU4lBt62Al/IajzdyNbw19yv6C 9Yzw== 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=kcsaITVUaZwX2W3VYFeAudOGzYmg0UWJ+TXMDg4IToo=; b=IaJE0GrLWFDzAiaarVG2UKmtmoauYnyBIQOVQnP6RM1Yn2es7GIHR6CS6GQnnl5Ptt 2W6BIZDgc/2kkJhIIlsP4NMx/3GwRuwxUWqqVASUHRpNaNH62d7xWhjiIEgYb7Jkc2K7 6aiOTsiiRz+0kiR0xEard/wNeoviKr4pVOlzuvthgYjtEr0kpus/5jelLPqlHmR3nFca VrOMVCf2p4SN68MuqQKftf6JkKo3hyQc6qdh7ZiaFjzk/+ieSJ58aEHHygJAsiFKcwpc 7a4BcUf2SlyvjbnXW/UiOsa6gBWzpyFsjMxEFJyScw+kLboF9dCCWNSp2SkcwunDELs3 Bdvg== X-Gm-Message-State: ANoB5pmzcoxsnaKnXvlvWoApDDscDmcvCZhvfcDwYQllY+musqMdtSlZ 1spGYeob2DhmkpsiaZ3xFgIrzq9Ckdb+m+k+ X-Google-Smtp-Source: AA0mqf4cO2hIabc64k/XYdJL24aCF8vd/vGQCoHABKscGRc8Xuh1pf915iBkzxq0fD+RHwUnrvNQHw== X-Received: by 2002:a65:53ca:0:b0:476:dd80:fb29 with SMTP id z10-20020a6553ca000000b00476dd80fb29mr63167917pgr.619.1669959621843; Thu, 01 Dec 2022 21:40:21 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v3 22/34] tcg: Use TCG_CALL_ARG_EVEN for TCI special case Date: Thu, 1 Dec 2022 21:39:46 -0800 Message-Id: <20221202053958.223890-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221202053958.223890-1-richard.henderson@linaro.org> References: <20221202053958.223890-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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: 1669960479109100003 Change 32-bit tci TCG_TARGET_CALL_ARG_I32 to TCG_CALL_ARG_EVEN, to force 32-bit values to be aligned to 64-bit. With a small reorg to the argument processing loop, this neatly replaces an ifdef for CONFIG_TCG_INTERPRETER. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- tcg/tci/tcg-target.h | 3 +- tcg/tcg.c | 70 ++++++++++++++++++++++++++++---------------- 2 files changed, 47 insertions(+), 26 deletions(-) diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h index d6e0450ed8..94ec541b4e 100644 --- a/tcg/tci/tcg-target.h +++ b/tcg/tci/tcg-target.h @@ -158,10 +158,11 @@ typedef enum { /* Used for function call generation. */ #define TCG_TARGET_CALL_STACK_OFFSET 0 #define TCG_TARGET_STACK_ALIGN 8 -#define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_NORMAL #if TCG_TARGET_REG_BITS =3D=3D 32 +# define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_EVEN # define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_EVEN #else +# define TCG_TARGET_CALL_ARG_I32 TCG_CALL_ARG_NORMAL # define TCG_TARGET_CALL_ARG_I64 TCG_CALL_ARG_NORMAL #endif =20 diff --git a/tcg/tcg.c b/tcg/tcg.c index 4c397cb0fa..aae4046e1b 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1533,36 +1533,56 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int na= rgs, TCGTemp **args) real_args =3D 0; for (i =3D 0; i < nargs; i++) { int argtype =3D extract32(typemask, (i + 1) * 3, 3); - bool is_64bit =3D (argtype & ~1) =3D=3D dh_typecode_i64; - bool want_align =3D false; + TCGCallArgumentKind kind; + TCGType type; =20 -#if defined(CONFIG_TCG_INTERPRETER) - /* - * Align all arguments, so that they land in predictable places - * for passing off to ffi_call. - */ - want_align =3D true; -#else - /* Some targets want aligned 64 bit args */ - if (is_64bit) { - want_align =3D TCG_TARGET_CALL_ARG_I64 =3D=3D TCG_CALL_ARG_EVE= N; - } -#endif - - if (TCG_TARGET_REG_BITS < 64 && want_align && (real_args & 1)) { - op->args[pi++] =3D TCG_CALL_DUMMY_ARG; - real_args++; + switch (argtype) { + case dh_typecode_i32: + case dh_typecode_s32: + type =3D TCG_TYPE_I32; + break; + case dh_typecode_i64: + case dh_typecode_s64: + type =3D TCG_TYPE_I64; + break; + case dh_typecode_ptr: + type =3D TCG_TYPE_PTR; + break; + default: + g_assert_not_reached(); } =20 - if (TCG_TARGET_REG_BITS < 64 && is_64bit) { + switch (type) { + case TCG_TYPE_I32: + kind =3D TCG_TARGET_CALL_ARG_I32; + break; + case TCG_TYPE_I64: + kind =3D TCG_TARGET_CALL_ARG_I64; + break; + default: + g_assert_not_reached(); + } + + switch (kind) { + case TCG_CALL_ARG_EVEN: + if (real_args & 1) { + op->args[pi++] =3D TCG_CALL_DUMMY_ARG; + real_args++; + } + /* fall through */ + case TCG_CALL_ARG_NORMAL: + if (TCG_TARGET_REG_BITS =3D=3D 32 && type =3D=3D TCG_TYPE_I64)= { + op->args[pi++] =3D temp_arg(args[i]); + op->args[pi++] =3D temp_arg(args[i] + 1); + real_args +=3D 2; + break; + } op->args[pi++] =3D temp_arg(args[i]); - op->args[pi++] =3D temp_arg(args[i] + 1); - real_args +=3D 2; - continue; + real_args++; + break; + default: + g_assert_not_reached(); } - - op->args[pi++] =3D temp_arg(args[i]); - real_args++; } op->args[pi++] =3D (uintptr_t)func; op->args[pi++] =3D (uintptr_t)info; --=20 2.34.1