From patchwork Sat May 4 05:52:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 163350 Delivered-To: patch@linaro.org Received: by 2002:a92:7e86:0:0:0:0:0 with SMTP id q6csp245974ill; Fri, 3 May 2019 22:59:31 -0700 (PDT) X-Google-Smtp-Source: APXvYqxs7CXfQYym65r6k7FL5R6TkcuDc6ZF9xxL2a0Y6wAtfQ0YRLsuanNoVLHKqb8z5jt/80d1 X-Received: by 2002:a1c:1a85:: with SMTP id a127mr8927793wma.139.1556949571539; Fri, 03 May 2019 22:59:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556949571; cv=none; d=google.com; s=arc-20160816; b=DfeIb9iFey45f0d25yrBNmnLAYq9wFIXHpb7VsxAJZPGNf1va36QQ/WbDb6ro98D8o q/atto5dKGGUgG3L0BhjiRWf741c3UwVRlNC/bRWarU55LKzr9zTAApVi62QsF4bBauN uKHBM50vM8GcRsmStstAGU/Vk6o/HLFznkdYyAutviz35VJz2Lw/x7WXQaAMS9xgAdyt dXpWPQn8LLqwJkZ5INo3/rOLueN3d/EVnIm1jPTywm2tdmpVRmNcdGoByv3L9NFyE7wG g524owG2Ogp4qmH04hfiQKKUY4U0/gVt9zW3zjkeX57kssbj8+zjf9zSwBXLOIf1gWI/ JzYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject :content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:to:from:dkim-signature; bh=DVRqREBkCOgKbqofVojwT8Y9Ia/mxWbAuVeJ6nGotn0=; b=lo6wXvsyXbzxpkGqxtGKSWagj4WqkAnxrogKah1JlFAlG2lX/sT4L9EnyXai6P72MW H2Ci7d/ZSfjbv0lUiWkgmHdleNceR+Ymt7OIyPf7Uau4EyIaEssIpcvBB2zbZb5rBA3D vn8r0NmGbnkPww5bsPypsmdcFwyKL3IwJDzwc3qpIILk1wnEDkPVMxpUSgP8cYlEFPtn cUfK4eQxxFD7jbr0TQCuFF9aZpg6yaOOD/0wFsqf8rhP+IlQXEfiqkqosAksrBiShTuB MJZlfwAxfh58FvmTpIP09pjrK2S3YCQU66Tjm/Tac0D2xhEgeRVkMbGwl98wLXw5nxDb jTSg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=WaLfGfPp; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id x6si3039856wrw.188.2019.05.03.22.59.31 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 03 May 2019 22:59:31 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=WaLfGfPp; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([127.0.0.1]:51672 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMnhq-00045X-E5 for patch@linaro.org; Sat, 04 May 2019 01:59:30 -0400 Received: from eggs.gnu.org ([209.51.188.92]:41733) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMnbm-0007jK-Iw for qemu-devel@nongnu.org; Sat, 04 May 2019 01:53:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hMnbk-0004An-W0 for qemu-devel@nongnu.org; Sat, 04 May 2019 01:53:14 -0400 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]:34099) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hMnbk-00049i-O1 for qemu-devel@nongnu.org; Sat, 04 May 2019 01:53:12 -0400 Received: by mail-pf1-x444.google.com with SMTP id b3so3985952pfd.1 for ; Fri, 03 May 2019 22:53:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=DVRqREBkCOgKbqofVojwT8Y9Ia/mxWbAuVeJ6nGotn0=; b=WaLfGfPplZa9NItbMHacYES8PkjUcR6zRF1/jXjyyPDLvQAzAd50+5vzDFV7xUECCR tufz7F1yjZ9IJiFtDd16xOT6grg6GgEbWX7Vn8V92Bfp2AEWMean0YnZHCuGIY/xZOv/ fr/sH1hppdXMhObEItMbcdEGMZFLBNQNTQL84J+Y85zHqanhQZfVyaZayaWofGFkMaaN U1ipa8W4iJ/nsEYsAYMzeUc5PE3U3zJNILhZFgO4UHIlnap3x4doJabbLRqGOawChnhI tFrt6gnYntfNZBBmhJqKdDRuebAvqufctsH9bEuQCIElrp3G2qfNnIcsTtCFEhVP40Ni mJzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=DVRqREBkCOgKbqofVojwT8Y9Ia/mxWbAuVeJ6nGotn0=; b=bnCaQoI0poxQ/zZpaoMVYADO1rysH8H/TpP/qVXoaoIrqx4+Wre5/x5KvVvyrG6cf0 P1lGzYJUn8E2TKpEzeiXWnajYDb8cN0FS3P/fByRGsAgF0xrcIlTCWdfSFZxByj5prbD a4R1VJUmLGLo+ktzT7FUA2I3g+xKbCra4olPCwlx2rBBBodo74oQLasTk0iw55EGTZF4 Ac72W/VeBPUk8Iogpx4wKaS05u0UNQDe3ZUEBrNMJpeijErp6/0DVAPTEiCwYSflDlgo 30qsKmRBnCfP5fJHJyHo1n6yI2BxFmLAnPBLYGYToDj04eLibyyyOErOdL5G4i6JczLq P/Uw== X-Gm-Message-State: APjAAAVVPzGeTRLs7pI+zBYffUExop/Q0q/dF9Vgi0Ux6zLsFPphUAfa EbaMdTbQ3ad/Opu48zYGCkN9u+HUNsE= X-Received: by 2002:a62:4690:: with SMTP id o16mr16799732pfi.166.1556949191277; Fri, 03 May 2019 22:53:11 -0700 (PDT) Received: from localhost.localdomain (97-113-189-189.tukw.qwest.net. [97.113.189.189]) by smtp.gmail.com with ESMTPSA id 15sm6680423pfo.117.2019.05.03.22.53.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 03 May 2019 22:53:10 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 3 May 2019 22:52:36 -0700 Message-Id: <20190504055300.18426-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190504055300.18426-1-richard.henderson@linaro.org> References: <20190504055300.18426-1-richard.henderson@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::444 Subject: [Qemu-devel] [PATCH v3 07/31] tcg: Return bool success from tcg_out_mov X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, david@redhat.com Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" This patch merely changes the interface, aborting on all failures, of which there are currently none. Reviewed-by: Alex Bennée Reviewed-by: David Hildenbrand Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: David Gibson Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.inc.c | 5 +++-- tcg/arm/tcg-target.inc.c | 3 ++- tcg/i386/tcg-target.inc.c | 5 +++-- tcg/mips/tcg-target.inc.c | 3 ++- tcg/ppc/tcg-target.inc.c | 3 ++- tcg/riscv/tcg-target.inc.c | 5 +++-- tcg/s390/tcg-target.inc.c | 3 ++- tcg/sparc/tcg-target.inc.c | 3 ++- tcg/tcg.c | 14 ++++++++++---- tcg/tci/tcg-target.inc.c | 3 ++- 10 files changed, 31 insertions(+), 16 deletions(-) -- 2.17.1 diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index eefa929948..ee89734318 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -938,10 +938,10 @@ static void tcg_out_ldst(TCGContext *s, AArch64Insn insn, TCGReg rd, tcg_out_ldst_r(s, insn, rd, rn, TCG_TYPE_I64, TCG_REG_TMP); } -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { if (ret == arg) { - return; + return true; } switch (type) { case TCG_TYPE_I32: @@ -970,6 +970,7 @@ static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) default: g_assert_not_reached(); } + return true; } static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c index 130b6bef1e..7316504c9d 100644 --- a/tcg/arm/tcg-target.inc.c +++ b/tcg/arm/tcg-target.inc.c @@ -2264,10 +2264,11 @@ static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, return false; } -static inline void tcg_out_mov(TCGContext *s, TCGType type, +static inline bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { tcg_out_mov_reg(s, COND_AL, ret, arg); + return true; } static inline void tcg_out_movi(TCGContext *s, TCGType type, diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c index d5ed9f1ffd..1198c76392 100644 --- a/tcg/i386/tcg-target.inc.c +++ b/tcg/i386/tcg-target.inc.c @@ -809,12 +809,12 @@ static inline void tgen_arithr(TCGContext *s, int subop, int dest, int src) tcg_out_modrm(s, OPC_ARITH_GvEv + (subop << 3) + ext, dest, src); } -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { int rexw = 0; if (arg == ret) { - return; + return true; } switch (type) { case TCG_TYPE_I64: @@ -852,6 +852,7 @@ static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) default: g_assert_not_reached(); } + return true; } static void tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece, diff --git a/tcg/mips/tcg-target.inc.c b/tcg/mips/tcg-target.inc.c index 412cacdcb9..7cafd4a790 100644 --- a/tcg/mips/tcg-target.inc.c +++ b/tcg/mips/tcg-target.inc.c @@ -558,13 +558,14 @@ static inline void tcg_out_dsra(TCGContext *s, TCGReg rd, TCGReg rt, TCGArg sa) tcg_out_opc_sa64(s, OPC_DSRA, OPC_DSRA32, rd, rt, sa); } -static inline void tcg_out_mov(TCGContext *s, TCGType type, +static inline bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { /* Simple reg-reg move, optimising out the 'do nothing' case */ if (ret != arg) { tcg_out_opc_reg(s, OPC_OR, ret, arg, TCG_REG_ZERO); } + return true; } static void tcg_out_movi(TCGContext *s, TCGType type, diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 36b4791707..30c095d3d5 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -559,12 +559,13 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, static void tcg_out_mem_long(TCGContext *s, int opi, int opx, TCGReg rt, TCGReg base, tcg_target_long offset); -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { tcg_debug_assert(TCG_TARGET_REG_BITS == 64 || type == TCG_TYPE_I32); if (ret != arg) { tcg_out32(s, OR | SAB(arg, ret, arg)); } + return true; } static inline void tcg_out_rld(TCGContext *s, int op, TCGReg ra, TCGReg rs, diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c index 2932505094..6497a4dab2 100644 --- a/tcg/riscv/tcg-target.inc.c +++ b/tcg/riscv/tcg-target.inc.c @@ -515,10 +515,10 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type, * TCG intrinsics */ -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { if (ret == arg) { - return; + return true; } switch (type) { case TCG_TYPE_I32: @@ -528,6 +528,7 @@ static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) default: g_assert_not_reached(); } + return true; } static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd, diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c index 3d6150b10e..331d51852c 100644 --- a/tcg/s390/tcg-target.inc.c +++ b/tcg/s390/tcg-target.inc.c @@ -548,7 +548,7 @@ static void tcg_out_sh32(TCGContext* s, S390Opcode op, TCGReg dest, tcg_out_insn_RS(s, op, dest, sh_reg, 0, sh_imm); } -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg dst, TCGReg src) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg dst, TCGReg src) { if (src != dst) { if (type == TCG_TYPE_I32) { @@ -557,6 +557,7 @@ static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg dst, TCGReg src) tcg_out_insn(s, RRE, LGR, dst, src); } } + return true; } static const S390Opcode lli_insns[4] = { diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 7a61839dc1..83295955a7 100644 --- a/tcg/sparc/tcg-target.inc.c +++ b/tcg/sparc/tcg-target.inc.c @@ -407,12 +407,13 @@ static void tcg_out_arithc(TCGContext *s, TCGReg rd, TCGReg rs1, | (val2const ? INSN_IMM13(val2) : INSN_RS2(val2))); } -static inline void tcg_out_mov(TCGContext *s, TCGType type, +static inline bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { if (ret != arg) { tcg_out_arith(s, ret, arg, TCG_REG_G0, ARITH_OR); } + return true; } static inline void tcg_out_sethi(TCGContext *s, TCGReg ret, uint32_t arg) diff --git a/tcg/tcg.c b/tcg/tcg.c index 70ca113c26..8ed7cb8654 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -103,7 +103,7 @@ static const char *target_parse_constraint(TCGArgConstraint *ct, const char *ct_str, TCGType type); static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1, intptr_t arg2); -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg); +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg); static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg ret, tcg_target_long arg); static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, @@ -3367,7 +3367,9 @@ static void tcg_reg_alloc_mov(TCGContext *s, const TCGOp *op) allocated_regs, preferred_regs, ots->indirect_base); } - tcg_out_mov(s, otype, ots->reg, ts->reg); + if (!tcg_out_mov(s, otype, ots->reg, ts->reg)) { + abort(); + } } ots->val_type = TEMP_VAL_REG; ots->mem_coherent = 0; @@ -3467,7 +3469,9 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op) i_allocated_regs, 0); reg = tcg_reg_alloc(s, arg_ct->u.regs, i_allocated_regs, o_preferred_regs, ts->indirect_base); - tcg_out_mov(s, ts->type, reg, ts->reg); + if (!tcg_out_mov(s, ts->type, reg, ts->reg)) { + abort(); + } } new_args[i] = reg; const_args[i] = 0; @@ -3626,7 +3630,9 @@ static void tcg_reg_alloc_call(TCGContext *s, TCGOp *op) if (ts->val_type == TEMP_VAL_REG) { if (ts->reg != reg) { tcg_reg_free(s, reg, allocated_regs); - tcg_out_mov(s, ts->type, reg, ts->reg); + if (!tcg_out_mov(s, ts->type, reg, ts->reg)) { + abort(); + } } } else { TCGRegSet arg_set = 0; diff --git a/tcg/tci/tcg-target.inc.c b/tcg/tci/tcg-target.inc.c index 0015a98485..992d50cb1e 100644 --- a/tcg/tci/tcg-target.inc.c +++ b/tcg/tci/tcg-target.inc.c @@ -509,7 +509,7 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1, old_code_ptr[1] = s->code_ptr - old_code_ptr; } -static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { uint8_t *old_code_ptr = s->code_ptr; tcg_debug_assert(ret != arg); @@ -521,6 +521,7 @@ static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) tcg_out_r(s, ret); tcg_out_r(s, arg); old_code_ptr[1] = s->code_ptr - old_code_ptr; + return true; } static void tcg_out_movi(TCGContext *s, TCGType type,