From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52593) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WOXHw-0002VV-O2 for qemu-devel@nongnu.org; Fri, 14 Mar 2014 14:57:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WOXHv-0000bG-CY for qemu-devel@nongnu.org; Fri, 14 Mar 2014 14:57:00 -0400 Received: from mnementh.archaic.org.uk ([2001:8b0:1d0::1]:46761) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WOXHv-0000a0-5m for qemu-devel@nongnu.org; Fri, 14 Mar 2014 14:56:59 -0400 From: Peter Maydell Date: Fri, 14 Mar 2014 18:38:04 +0000 Message-Id: <1394822294-14837-16-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1394822294-14837-1-git-send-email-peter.maydell@linaro.org> References: <1394822294-14837-1-git-send-email-peter.maydell@linaro.org> Subject: [Qemu-devel] [PATCH v2 15/25] target-arm: A64: Implement FRINT* List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Crosthwaite , patches@linaro.org, Michael Matz , Alexander Graf , Will Newton , Dirk Mueller , Laurent Desnogues , =?UTF-8?q?Alex=20Benn=C3=A9e?= , kvmarm@lists.cs.columbia.edu, Christoffer Dall , Richard Henderson Implement the FRINT* round-to-integral operations from the 2-reg-misc category. Signed-off-by: Peter Maydell --- target-arm/translate-a64.c | 45 ++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 42 insertions(+), 3 deletions(-) diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index b67cd1d..32eed41 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -6800,6 +6800,17 @@ static void handle_2misc_64(DisasContext *s, int opcode, bool u, tcg_temp_free_i32(tcg_shift); break; } + case 0x18: /* FRINTN */ + case 0x19: /* FRINTM */ + case 0x38: /* FRINTP */ + case 0x39: /* FRINTZ */ + case 0x58: /* FRINTA */ + case 0x79: /* FRINTI */ + gen_helper_rintd(tcg_rd, tcg_rn, tcg_fpstatus); + break; + case 0x59: /* FRINTX */ + gen_helper_rintd_exact(tcg_rd, tcg_rn, tcg_fpstatus); + break; default: g_assert_not_reached(); } @@ -8999,12 +9010,29 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) case 0x19: /* FRINTM */ case 0x38: /* FRINTP */ case 0x39: /* FRINTZ */ + need_rmode = true; + rmode = extract32(opcode, 5, 1) | (extract32(opcode, 0, 1) << 1); + /* fall through */ + case 0x59: /* FRINTX */ + case 0x79: /* FRINTI */ + need_fpstatus = true; + if (size == 3 && !is_q) { + unallocated_encoding(s); + return; + } + break; + case 0x58: /* FRINTA */ + need_rmode = true; + rmode = FPROUNDING_TIEAWAY; + need_fpstatus = true; + if (size == 3 && !is_q) { + unallocated_encoding(s); + return; + } + break; case 0x3c: /* URECPE */ case 0x3d: /* FRECPE */ case 0x56: /* FCVTXN, FCVTXN2 */ - case 0x58: /* FRINTA */ - case 0x59: /* FRINTX */ - case 0x79: /* FRINTI */ case 0x7c: /* URSQRTE */ case 0x7d: /* FRSQRTE */ unsupported_encoding(s, insn); @@ -9130,6 +9158,17 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) tcg_temp_free_i32(tcg_shift); break; } + case 0x18: /* FRINTN */ + case 0x19: /* FRINTM */ + case 0x38: /* FRINTP */ + case 0x39: /* FRINTZ */ + case 0x58: /* FRINTA */ + case 0x79: /* FRINTI */ + gen_helper_rints(tcg_res, tcg_op, tcg_fpstatus); + break; + case 0x59: /* FRINTX */ + gen_helper_rints_exact(tcg_res, tcg_op, tcg_fpstatus); + break; default: g_assert_not_reached(); } -- 1.9.0