From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VGYLa-0005uf-K1 for qemu-devel@nongnu.org; Mon, 02 Sep 2013 13:55:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VGYLU-000175-Pi for qemu-devel@nongnu.org; Mon, 02 Sep 2013 13:55:30 -0400 Received: from mail-pd0-x234.google.com ([2607:f8b0:400e:c02::234]:48210) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VGYLU-00016w-Ip for qemu-devel@nongnu.org; Mon, 02 Sep 2013 13:55:24 -0400 Received: by mail-pd0-f180.google.com with SMTP id y10so4970469pdj.25 for ; Mon, 02 Sep 2013 10:55:23 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Mon, 2 Sep 2013 10:54:43 -0700 Message-Id: <1378144503-15808-10-git-send-email-rth@twiddle.net> In-Reply-To: <1378144503-15808-1-git-send-email-rth@twiddle.net> References: <1378144503-15808-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v3 09/29] tcg-aarch64: Implement mov with tcg_fmt_* functions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: claudio.fontana@huawei.com, Richard Henderson Avoid the magic numbers in the current implementation. Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c index bd6f823..64c8d19 100644 --- a/tcg/aarch64/tcg-target.c +++ b/tcg/aarch64/tcg-target.c @@ -370,12 +370,17 @@ static inline void tcg_out_ldst_12(TCGContext *s, | op_type << 20 | scaled_uimm << 10 | rn << 5 | rd); } -static inline void tcg_out_movr(TCGContext *s, bool ext, TCGReg rd, TCGReg src) +/* Register to register move using ORR (shifted register with no shift). */ +static inline void tcg_out_movr(TCGContext *s, bool ext, TCGReg rd, TCGReg rm) { - /* register to register move using MOV (shifted register with no shift) */ - /* using MOV 0x2a0003e0 | (shift).. */ - unsigned int base = ext ? 0xaa0003e0 : 0x2a0003e0; - tcg_out32(s, base | src << 16 | rd); + tcg_fmt_Rdnm(s, INSN_ORR, ext, rd, TCG_REG_XZR, rm); +} + +/* Register to register move using ADDI (move to/from SP). */ +static inline void tcg_out_movr_sp(TCGContext *s, bool ext, + TCGReg rd, TCGReg rn) +{ + tcg_fmt_Rdn_aimm(s, INSN_ADDI, ext, rd, rn, 0); } static inline void tcg_out_movi_aux(TCGContext *s, @@ -450,14 +455,6 @@ static inline void tcg_out_ldst(TCGContext *s, enum aarch64_ldst_op_data data, tcg_out_ldst_r(s, data, type, rd, rn, TCG_REG_TMP); } -/* mov alias implemented with add immediate, useful to move to/from SP */ -static inline void tcg_out_movr_sp(TCGContext *s, bool ext, TCGReg rd, TCGReg rn) -{ - /* using ADD 0x11000000 | (ext) | rn << 5 | rd */ - unsigned int base = ext ? 0x91000000 : 0x11000000; - tcg_out32(s, base | rn << 5 | rd); -} - static inline void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { -- 1.8.3.1