From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41023) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eQz9a-0005wk-CM for qemu-devel@nongnu.org; Mon, 18 Dec 2017 12:24:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eQz9Z-0008Cf-J1 for qemu-devel@nongnu.org; Mon, 18 Dec 2017 12:24:38 -0500 Received: from mail-pl0-x241.google.com ([2607:f8b0:400e:c01::241]:34457) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eQz9Z-0008BY-E6 for qemu-devel@nongnu.org; Mon, 18 Dec 2017 12:24:37 -0500 Received: by mail-pl0-x241.google.com with SMTP id d21so5200521pll.1 for ; Mon, 18 Dec 2017 09:24:37 -0800 (PST) From: Richard Henderson Date: Mon, 18 Dec 2017 09:24:20 -0800 Message-Id: <20171218172425.18200-7-richard.henderson@linaro.org> In-Reply-To: <20171218172425.18200-1-richard.henderson@linaro.org> References: <20171218172425.18200-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH v2 06/11] target/arm: Decode aa32 armv8.1 two reg and a scalar List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Signed-off-by: Richard Henderson --- target/arm/translate.c | 38 +++++++++++++++++++++++++++++++++++--- 1 file changed, 35 insertions(+), 3 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index a9587ae242..1a0b0eaced 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -6973,11 +6973,43 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } neon_store_reg64(cpu_V0, rd + pass); } + break; + case 14: /* VQRDMLAH scalar */ + case 15: /* VQRDMLSH scalar */ + if (!arm_dc_feature(s, ARM_FEATURE_V8_1_SIMD)) { + return 1; + } + if (u && ((rd | rn) & 1)) { + return 1; + } + tmp2 = neon_get_scalar(size, rm); + for (pass = 0; pass < (u ? 4 : 2); pass++) { + void (*fn)(TCGv_i32, TCGv_env, TCGv_i32, + TCGv_i32, TCGv_i32); - + tmp = neon_load_reg(rn, pass); + tmp3 = neon_load_reg(rd, pass); + if (op == 14) { + if (size == 1) { + fn = gen_helper_neon_qrdmlah_s16; + } else { + fn = gen_helper_neon_qrdmlah_s32; + } + } else { + if (size == 1) { + fn = gen_helper_neon_qrdmlsh_s16; + } else { + fn = gen_helper_neon_qrdmlsh_s32; + } + } + fn(tmp, cpu_env, tmp, tmp2, tmp3); + tcg_temp_free_i32(tmp3); + neon_store_reg(rd, pass, tmp); + } + tcg_temp_free_i32(tmp2); break; - default: /* 14 and 15 are RESERVED */ - return 1; + default: + g_assert_not_reached(); } } } else { /* size == 3 */ -- 2.14.3