From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:40420) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHkXS-0000yt-Bm for qemu-devel@nongnu.org; Sat, 20 Apr 2019 03:35:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hHkXO-0000fE-PB for qemu-devel@nongnu.org; Sat, 20 Apr 2019 03:35:51 -0400 Received: from mail-pl1-x642.google.com ([2607:f8b0:4864:20::642]:43186) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hHkXL-0000Sm-Tm for qemu-devel@nongnu.org; Sat, 20 Apr 2019 03:35:49 -0400 Received: by mail-pl1-x642.google.com with SMTP id n8so3526796plp.10 for ; Sat, 20 Apr 2019 00:35:45 -0700 (PDT) From: Richard Henderson Date: Fri, 19 Apr 2019 21:34:41 -1000 Message-Id: <20190420073442.7488-38-richard.henderson@linaro.org> In-Reply-To: <20190420073442.7488-1-richard.henderson@linaro.org> References: <20190420073442.7488-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH 37/38] tcg/aarch64: Use MVNI for expansion of dupi List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: david@redhat.com Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.inc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index e68e4de08c..20c8699f79 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -513,6 +513,7 @@ typedef enum { /* AdvSIMD modified immediate */ I3606_MOVI = 0x0f000400, + I3606_MVNI = 0x2f000400, /* AdvSIMD shift by immediate */ I3614_SSHR = 0x0f000400, @@ -823,6 +824,9 @@ static void tcg_out_dupi_vec(TCGContext *s, TCGType type, if (is_fimm(v64, &op, &cmode, &imm8)) { tcg_out_insn(s, 3606, MOVI, type == TCG_TYPE_V128, rd, op, cmode, imm8); + } else if (is_fimm(~v64, &op, &cmode, &imm8) + && op == 0 && ((1 << cmode) & 0x03555)) { + tcg_out_insn(s, 3606, MVNI, type == TCG_TYPE_V128, rd, 0, cmode, imm8); } else if (type == TCG_TYPE_V128) { new_pool_l2(s, R_AARCH64_CONDBR19, s->code_ptr, 0, v64, v64); tcg_out_insn(s, 3305, LDR_v128, 0, rd); -- 2.17.1