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Thu, 26 May 2016 18:00:59 -0700 (PDT) Received: from bigtime.com ([172.56.17.0]) by smtp.gmail.com with ESMTPSA id 77sm1872030qgn.29.2016.05.26.18.00.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 May 2016 18:00:59 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 26 May 2016 18:00:10 -0700 Message-Id: <1464310815-13554-8-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1464310815-13554-1-git-send-email-rth@twiddle.net> References: <1464310815-13554-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400d:c09::244 Subject: [Qemu-devel] [PATCH v2 07/12] tcg/ppc: Add support for fence 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: bobby.prani@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.inc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index da10052..ea576f9 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -469,6 +469,9 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define STHX XO31(407) #define STWX XO31(151) +#define HWSYNC XO31(598) +#define LWSYNC (HWSYNC | (1u << 21)) + #define SPR(a, b) ((((a)<<5)|(b))<<11) #define LR SPR(8, 0) #define CTR SPR(9, 0) @@ -2439,6 +2442,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, tcg_out32(s, MULHD | TAB(args[0], args[1], args[2])); break; + case INDEX_op_fence: + /* ??? Do we want SEQ_CST or ACQ_REL memory model. */ + tcg_out32(s, HWSYNC); + break; case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ @@ -2586,6 +2593,7 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_qemu_st_i64, { "S", "S", "S", "S" } }, #endif + { INDEX_op_fence, { } }, { -1 }, };