From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48144) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDY7X-0002uF-HD for qemu-devel@nongnu.org; Fri, 19 Oct 2018 12:59:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDY7K-00042N-7v for qemu-devel@nongnu.org; Fri, 19 Oct 2018 12:59:21 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:51982) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gDY7J-0002Jh-WB for qemu-devel@nongnu.org; Fri, 19 Oct 2018 12:59:18 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1gDY6C-0006mp-Uq for qemu-devel@nongnu.org; Fri, 19 Oct 2018 17:58:08 +0100 From: Peter Maydell Date: Fri, 19 Oct 2018 17:57:22 +0100 Message-Id: <20181019165735.22511-33-peter.maydell@linaro.org> In-Reply-To: <20181019165735.22511-1-peter.maydell@linaro.org> References: <20181019165735.22511-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PULL 32/45] target/arm: Use gvec for NEON_3R_VMUL List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org From: Richard Henderson Signed-off-by: Richard Henderson Message-id: 20181011205206.3552-12-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/translate.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index d29328774b6..7b13717c0dc 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -5959,6 +5959,19 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) vec_size, vec_size); } return 0; + + case NEON_3R_VMUL: /* VMUL */ + if (u) { + /* Polynomial case allows only P8 and is handled below. */ + if (size != 0) { + return 1; + } + } else { + tcg_gen_gvec_mul(size, rd_ofs, rn_ofs, rm_ofs, + vec_size, vec_size); + return 0; + } + break; } if (size == 3) { /* 64-bit element instructions. */ @@ -6065,12 +6078,6 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) return 1; } break; - case NEON_3R_VMUL: - if (u && (size != 0)) { - /* UNDEF on invalid size for polynomial subcase */ - return 1; - } - break; case NEON_3R_VFM_VQRDMLSH: if (!arm_dc_feature(s, ARM_FEATURE_VFP4)) { return 1; @@ -6183,16 +6190,8 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } break; case NEON_3R_VMUL: - if (u) { /* polynomial */ - gen_helper_neon_mul_p8(tmp, tmp, tmp2); - } else { /* Integer */ - switch (size) { - case 0: gen_helper_neon_mul_u8(tmp, tmp, tmp2); break; - case 1: gen_helper_neon_mul_u16(tmp, tmp, tmp2); break; - case 2: tcg_gen_mul_i32(tmp, tmp, tmp2); break; - default: abort(); - } - } + /* VMUL.P8; other cases already eliminated. */ + gen_helper_neon_mul_p8(tmp, tmp, tmp2); break; case NEON_3R_VPMAX: GEN_NEON_INTEGER_OP(pmax); -- 2.19.1