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[76.14.210.194]) by smtp.gmail.com with ESMTPSA id cp12-20020a170902e78c00b00187022627d7sm4599716plb.36.2022.12.24.15.57.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Dec 2022 15:57:54 -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=ct74BpbnxovFEC/YFVNT80uRSuWyPTl3WEsL/cNtiK4=; b=OpEgKkOEqkc8K83kWSRFS5zm39l/CsYVdHKPYMxmB+8aayxNdmZKeEXwm40dmFc1fo zyaS1fxDNKy1xTggIcytqzXiW4u672d/GvkwwVngLzPWDe9yI8RWz4ubdJy5HaSCkGtV npNA3dXcPHnd7U/JkrirRo3Do/VNP1bYqlbzKlv1HkF1Tc4Q7CXwOwmHLDjG+DYhSmgT pedrHPq3sNXnk41kw/E2w86meMIyCK60378JZ5s1LDf9LMQgGwF7bLWS4JFJYSiZkBHV RxcH7CcC5XE7nmgPKAY/Tibrmfb85bpJs7TFbeJTNXz84NwgJ7Atrm4oOe8Yy1fRCGsv 4uWw== 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=ct74BpbnxovFEC/YFVNT80uRSuWyPTl3WEsL/cNtiK4=; b=EHsCvkub1LsGSHadrdC8mNbOr5UmkVYhrPXMczZNgWOG6uXqPPjIRd3kNGHfas9iP+ NFyW76hAQYwekG+v92dl3ZiocAWHTsJR19Q3Wvbz9tRW9tLMKkgFzbKH2u3/PcchtvEW Zl6Fw4BQINIlR1rRNzEy5OoN7RJl+Fcw0wf/7AnsfxFCK7cwLbpcWZYMWJYnUYXB2wky Q6I2RhPEDBX9ZQaCvRj6QRHT46KsvgKQ5uOPPClHjFDwbV4CbhFvuddV/R68JbgZZRDB e4b9S7yAXzmJ2rN/vDoBAWsapFDP3SVHMYGs2Ej26yC2Y5gITEcCzFu+ctG4pBokuHEF 3U6A== X-Gm-Message-State: AFqh2kqoypAkoJurZ/y4N+KseHF7HI2JvnTLYPTwKo5lsPczYLpwjU3z 2PThBU+4utW4gfgGrVPjCJWgUYWfwHrKxvF1 X-Google-Smtp-Source: AMrXdXsxOIGJRRlwjNKlSwnWUtVpBQ5rZAPjvvN7PvC8M6nkNworMaXGVV01a420Aibv6tzAcLMGMA== X-Received: by 2002:a17:902:fe0c:b0:192:5c3e:8939 with SMTP id g12-20020a170902fe0c00b001925c3e8939mr8639073plj.0.1671926275272; Sat, 24 Dec 2022 15:57:55 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org, philmd@linaro.org Subject: [PATCH v5 35/43] tcg: Pass number of arguments to tcg_emit_op() / tcg_op_insert_*() Date: Sat, 24 Dec 2022 15:57:12 -0800 Message-Id: <20221224235720.842093-36-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221224235720.842093-1-richard.henderson@linaro.org> References: <20221224235720.842093-1-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::62c; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62c.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: 1671926311287100003 From: Philippe Mathieu-Daud=C3=A9 In order to have variable size allocated TCGOp, pass the number of arguments we use (and would allocate) up to tcg_op_alloc(). This alters tcg_emit_op(), tcg_op_insert_before() and tcg_op_insert_after() prototypes. In tcg_op_alloc() ensure the number of arguments is in range. Signed-off-by: Richard Henderson [PMD: Extracted from bigger patch] Signed-off-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20221218211832.73312-2-philmd@linaro.org> Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- include/tcg/tcg-op.h | 2 +- include/tcg/tcg.h | 8 +++++--- accel/tcg/plugin-gen.c | 5 ++++- tcg/optimize.c | 4 ++-- tcg/tcg-op-vec.c | 8 ++++---- tcg/tcg-op.c | 12 ++++++------ tcg/tcg.c | 30 +++++++++++++++++------------- 7 files changed, 39 insertions(+), 30 deletions(-) diff --git a/include/tcg/tcg-op.h b/include/tcg/tcg-op.h index 8176f194cb..79b1cf786f 100644 --- a/include/tcg/tcg-op.h +++ b/include/tcg/tcg-op.h @@ -818,7 +818,7 @@ static inline void tcg_gen_plugin_cb_start(unsigned fro= m, unsigned type, =20 static inline void tcg_gen_plugin_cb_end(void) { - tcg_emit_op(INDEX_op_plugin_cb_end); + tcg_emit_op(INDEX_op_plugin_cb_end, 0); } =20 #if TARGET_LONG_BITS =3D=3D 32 diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index 8bcd60d0ed..c55fa21a89 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -1014,10 +1014,12 @@ bool tcg_op_supported(TCGOpcode op); =20 void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args); =20 -TCGOp *tcg_emit_op(TCGOpcode opc); +TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs); void tcg_op_remove(TCGContext *s, TCGOp *op); -TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, TCGOpcode opc); -TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op, TCGOpcode opc); +TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, + TCGOpcode opc, unsigned nargs); +TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op, + TCGOpcode opc, unsigned nargs); =20 /** * tcg_remove_ops_after: diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c index a6aaacd053..62e775d34d 100644 --- a/accel/tcg/plugin-gen.c +++ b/accel/tcg/plugin-gen.c @@ -258,10 +258,13 @@ static TCGOp *rm_ops(TCGOp *op) =20 static TCGOp *copy_op_nocheck(TCGOp **begin_op, TCGOp *op) { + unsigned nargs =3D ARRAY_SIZE(op->args); + *begin_op =3D QTAILQ_NEXT(*begin_op, link); tcg_debug_assert(*begin_op); - op =3D tcg_op_insert_after(tcg_ctx, op, (*begin_op)->opc); + op =3D tcg_op_insert_after(tcg_ctx, op, (*begin_op)->opc, nargs); memcpy(op->args, (*begin_op)->args, sizeof(op->args)); + return op; } =20 diff --git a/tcg/optimize.c b/tcg/optimize.c index ae081ab29c..1afd50175b 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -962,7 +962,7 @@ static bool fold_addsub2(OptContext *ctx, TCGOp *op, bo= ol add) rh =3D op->args[1]; =20 /* The proper opcode is supplied by tcg_opt_gen_mov. */ - op2 =3D tcg_op_insert_before(ctx->tcg, op, 0); + op2 =3D tcg_op_insert_before(ctx->tcg, op, 0, 2); =20 tcg_opt_gen_movi(ctx, op, rl, al); tcg_opt_gen_movi(ctx, op2, rh, ah); @@ -1613,7 +1613,7 @@ static bool fold_multiply2(OptContext *ctx, TCGOp *op) rh =3D op->args[1]; =20 /* The proper opcode is supplied by tcg_opt_gen_mov. */ - op2 =3D tcg_op_insert_before(ctx->tcg, op, 0); + op2 =3D tcg_op_insert_before(ctx->tcg, op, 0, 2); =20 tcg_opt_gen_movi(ctx, op, rl, l); tcg_opt_gen_movi(ctx, op2, rh, h); diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c index 5bf100ea7d..966d41d65a 100644 --- a/tcg/tcg-op-vec.c +++ b/tcg/tcg-op-vec.c @@ -152,7 +152,7 @@ bool tcg_can_emit_vecop_list(const TCGOpcode *list, =20 void vec_gen_2(TCGOpcode opc, TCGType type, unsigned vece, TCGArg r, TCGAr= g a) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 2); TCGOP_VECL(op) =3D type - TCG_TYPE_V64; TCGOP_VECE(op) =3D vece; op->args[0] =3D r; @@ -162,7 +162,7 @@ void vec_gen_2(TCGOpcode opc, TCGType type, unsigned ve= ce, TCGArg r, TCGArg a) void vec_gen_3(TCGOpcode opc, TCGType type, unsigned vece, TCGArg r, TCGArg a, TCGArg b) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 3); TCGOP_VECL(op) =3D type - TCG_TYPE_V64; TCGOP_VECE(op) =3D vece; op->args[0] =3D r; @@ -173,7 +173,7 @@ void vec_gen_3(TCGOpcode opc, TCGType type, unsigned ve= ce, void vec_gen_4(TCGOpcode opc, TCGType type, unsigned vece, TCGArg r, TCGArg a, TCGArg b, TCGArg c) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 4); TCGOP_VECL(op) =3D type - TCG_TYPE_V64; TCGOP_VECE(op) =3D vece; op->args[0] =3D r; @@ -185,7 +185,7 @@ void vec_gen_4(TCGOpcode opc, TCGType type, unsigned ve= ce, static void vec_gen_6(TCGOpcode opc, TCGType type, unsigned vece, TCGArg r, TCGArg a, TCGArg b, TCGArg c, TCGArg d, TCGArg e) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 6); TCGOP_VECL(op) =3D type - TCG_TYPE_V64; TCGOP_VECE(op) =3D vece; op->args[0] =3D r; diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 6168327030..cd1cd4e736 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -33,20 +33,20 @@ =20 void tcg_gen_op1(TCGOpcode opc, TCGArg a1) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 1); op->args[0] =3D a1; } =20 void tcg_gen_op2(TCGOpcode opc, TCGArg a1, TCGArg a2) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 2); op->args[0] =3D a1; op->args[1] =3D a2; } =20 void tcg_gen_op3(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 3); op->args[0] =3D a1; op->args[1] =3D a2; op->args[2] =3D a3; @@ -54,7 +54,7 @@ void tcg_gen_op3(TCGOpcode opc, TCGArg a1, TCGArg a2, TCG= Arg a3) =20 void tcg_gen_op4(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, TCGArg a4) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 4); op->args[0] =3D a1; op->args[1] =3D a2; op->args[2] =3D a3; @@ -64,7 +64,7 @@ void tcg_gen_op4(TCGOpcode opc, TCGArg a1, TCGArg a2, TCG= Arg a3, TCGArg a4) void tcg_gen_op5(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, TCGArg a4, TCGArg a5) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 5); op->args[0] =3D a1; op->args[1] =3D a2; op->args[2] =3D a3; @@ -75,7 +75,7 @@ void tcg_gen_op5(TCGOpcode opc, TCGArg a1, TCGArg a2, TCG= Arg a3, void tcg_gen_op6(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, TCGArg a4, TCGArg a5, TCGArg a6) { - TCGOp *op =3D tcg_emit_op(opc); + TCGOp *op =3D tcg_emit_op(opc, 6); op->args[0] =3D a1; op->args[1] =3D a2; op->args[2] =3D a3; diff --git a/tcg/tcg.c b/tcg/tcg.c index aae4046e1b..3f172cb1d6 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -1479,7 +1479,7 @@ bool tcg_op_supported(TCGOpcode op) and endian swap in tcg_reg_alloc_call(). */ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) { - int i, real_args, nb_rets, pi; + int i, real_args, nb_rets, pi, max_args; unsigned typemask; const TCGHelperInfo *info; TCGOp *op; @@ -1513,7 +1513,8 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int narg= s, TCGTemp **args) } } =20 - op =3D tcg_emit_op(INDEX_op_call); + max_args =3D ARRAY_SIZE(op->args); + op =3D tcg_emit_op(INDEX_op_call, max_args); =20 pi =3D 0; if (ret !=3D NULL) { @@ -1590,7 +1591,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int narg= s, TCGTemp **args) =20 /* Make sure the fields didn't overflow. */ tcg_debug_assert(TCGOP_CALLI(op) =3D=3D real_args); - tcg_debug_assert(pi <=3D ARRAY_SIZE(op->args)); + tcg_debug_assert(pi <=3D max_args); =20 if (TCG_TARGET_CALL_ARG_I32 =3D=3D TCG_CALL_ARG_EXTEND) { for (i =3D 0; i < nargs; ++i) { @@ -2294,11 +2295,12 @@ void tcg_remove_ops_after(TCGOp *op) } } =20 -static TCGOp *tcg_op_alloc(TCGOpcode opc) +static TCGOp *tcg_op_alloc(TCGOpcode opc, unsigned nargs) { TCGContext *s =3D tcg_ctx; TCGOp *op; =20 + assert(nargs < ARRAY_SIZE(op->args)); if (likely(QTAILQ_EMPTY(&s->free_ops))) { op =3D tcg_malloc(sizeof(TCGOp)); } else { @@ -2312,23 +2314,25 @@ static TCGOp *tcg_op_alloc(TCGOpcode opc) return op; } =20 -TCGOp *tcg_emit_op(TCGOpcode opc) +TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs) { - TCGOp *op =3D tcg_op_alloc(opc); + TCGOp *op =3D tcg_op_alloc(opc, nargs); QTAILQ_INSERT_TAIL(&tcg_ctx->ops, op, link); return op; } =20 -TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *old_op, TCGOpcode opc) +TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *old_op, + TCGOpcode opc, unsigned nargs) { - TCGOp *new_op =3D tcg_op_alloc(opc); + TCGOp *new_op =3D tcg_op_alloc(opc, nargs); QTAILQ_INSERT_BEFORE(old_op, new_op, link); return new_op; } =20 -TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *old_op, TCGOpcode opc) +TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *old_op, + TCGOpcode opc, unsigned nargs) { - TCGOp *new_op =3D tcg_op_alloc(opc); + TCGOp *new_op =3D tcg_op_alloc(opc, nargs); QTAILQ_INSERT_AFTER(&s->ops, old_op, new_op, link); return new_op; } @@ -2937,7 +2941,7 @@ static bool liveness_pass_2(TCGContext *s) TCGOpcode lopc =3D (arg_ts->type =3D=3D TCG_TYPE_I32 ? INDEX_op_ld_i32 : INDEX_op_ld_i64); - TCGOp *lop =3D tcg_op_insert_before(s, op, lopc); + TCGOp *lop =3D tcg_op_insert_before(s, op, lopc, 3); =20 lop->args[0] =3D temp_arg(dir_ts); lop->args[1] =3D temp_arg(arg_ts->mem_base); @@ -3003,7 +3007,7 @@ static bool liveness_pass_2(TCGContext *s) TCGOpcode sopc =3D (arg_ts->type =3D=3D TCG_TYPE_I32 ? INDEX_op_st_i32 : INDEX_op_st_i64); - TCGOp *sop =3D tcg_op_insert_after(s, op, sopc); + TCGOp *sop =3D tcg_op_insert_after(s, op, sopc, 3); TCGTemp *out_ts =3D dir_ts; =20 if (IS_DEAD_ARG(0)) { @@ -3039,7 +3043,7 @@ static bool liveness_pass_2(TCGContext *s) TCGOpcode sopc =3D (arg_ts->type =3D=3D TCG_TYPE_I32 ? INDEX_op_st_i32 : INDEX_op_st_i64); - TCGOp *sop =3D tcg_op_insert_after(s, op, sopc); + TCGOp *sop =3D tcg_op_insert_after(s, op, sopc, 3); =20 sop->args[0] =3D temp_arg(dir_ts); sop->args[1] =3D temp_arg(arg_ts->mem_base); --=20 2.34.1