From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:60294) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TFDQS-0004Vf-KT for qemu-devel@nongnu.org; Fri, 21 Sep 2012 20:18:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TFDQR-00015v-Es for qemu-devel@nongnu.org; Fri, 21 Sep 2012 20:18:28 -0400 Received: from mail-pa0-f45.google.com ([209.85.220.45]:62643) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TFDQR-00015R-8Y for qemu-devel@nongnu.org; Fri, 21 Sep 2012 20:18:27 -0400 Received: by mail-pa0-f45.google.com with SMTP id fb10so598759pad.4 for ; Fri, 21 Sep 2012 17:18:27 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Fri, 21 Sep 2012 17:18:11 -0700 Message-Id: <1348273096-1495-4-git-send-email-rth@twiddle.net> In-Reply-To: <1348273096-1495-1-git-send-email-rth@twiddle.net> References: <1348273096-1495-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH 3/8] tcg: Optimize initial inputs for ori_i64 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aurelien@aurel32.net Copy the same optimizations from ori_i32. Signed-off-by: Richard Henderson --- tcg/tcg-op.h | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h index c8633ff..fd16499 100644 --- a/tcg/tcg-op.h +++ b/tcg/tcg-op.h @@ -559,9 +559,9 @@ static inline void tcg_gen_or_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) static inline void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2) { - /* some cases can be optimized here */ - if (arg2 == 0xffffffff) { - tcg_gen_movi_i32(ret, 0xffffffff); + /* Some cases can be optimized here. */ + if (arg2 == -1) { + tcg_gen_movi_i32(ret, -1); } else if (arg2 == 0) { tcg_gen_mov_i32(ret, arg1); } else { @@ -1183,9 +1183,16 @@ static inline void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2) { - TCGv_i64 t0 = tcg_const_i64(arg2); - tcg_gen_or_i64(ret, arg1, t0); - tcg_temp_free_i64(t0); + /* Some cases can be optimized here. */ + if (arg2 == -1) { + tcg_gen_movi_i64(ret, -1); + } else if (arg2 == 0) { + tcg_gen_mov_i64(ret, arg1); + } else { + TCGv_i64 t0 = tcg_const_i64(arg2); + tcg_gen_or_i64(ret, arg1, t0); + tcg_temp_free_i64(t0); + } } static inline void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2) -- 1.7.11.4