From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:34031) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UM2dV-0004DJ-Dq for qemu-devel@nongnu.org; Sat, 30 Mar 2013 16:44:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UM2dT-0005wH-04 for qemu-devel@nongnu.org; Sat, 30 Mar 2013 16:44:25 -0400 Received: from mail-pb0-f43.google.com ([209.85.160.43]:45515) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UM2dS-0005wC-Qy for qemu-devel@nongnu.org; Sat, 30 Mar 2013 16:44:22 -0400 Received: by mail-pb0-f43.google.com with SMTP id md4so664835pbc.2 for ; Sat, 30 Mar 2013 13:44:22 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Sat, 30 Mar 2013 13:43:25 -0700 Message-Id: <1364676207-21516-17-git-send-email-rth@twiddle.net> In-Reply-To: <1364676207-21516-1-git-send-email-rth@twiddle.net> References: <1364676207-21516-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v4 16/18] tcg-arm: Use movi32 + blx for calls on v7 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Aurelien Jarno Work better with branch predition when we have movw+movt, as the size of the code is the same. Perhaps re-evaluate when we have a proper constant pool. Signed-off-by: Richard Henderson --- tcg/arm/tcg-target.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c index 7962136..7791314 100644 --- a/tcg/arm/tcg-target.c +++ b/tcg/arm/tcg-target.c @@ -1019,6 +1019,9 @@ static inline void tcg_out_call(TCGContext *s, uint32_t addr) } else { tcg_out_bl(s, COND_AL, val); } + } else if (use_armv7_instructions) { + tcg_out_movi32(s, COND_AL, TCG_REG_TMP, addr); + tcg_out_blx(s, COND_AL, TCG_REG_TMP); } else { tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R14, TCG_REG_PC, 4); tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4); -- 1.8.1.4