From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:40673) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmEoF-0000Tf-SV for qemu-devel@nongnu.org; Wed, 23 Jan 2019 04:27:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gmEoF-0007UF-0z for qemu-devel@nongnu.org; Wed, 23 Jan 2019 04:26:59 -0500 From: Bastian Koppelmann Date: Wed, 23 Jan 2019 10:25:16 +0100 Message-Id: <20190123092538.8004-14-kbastian@mail.uni-paderborn.de> In-Reply-To: <20190123092538.8004-1-kbastian@mail.uni-paderborn.de> References: <20190123092538.8004-1-kbastian@mail.uni-paderborn.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v6 13/35] target/riscv: Convert RV64F insns to decodetree List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: sagark@eecs.berkeley.edu, palmer@sifive.com, kbastian@mail.uni-paderborn.de Cc: qemu-riscv@nongnu.org, peer.adelt@hni.uni-paderborn.de, richard.henderson@linaro.org, qemu-devel@nongnu.org, Alistair Francis Acked-by: Alistair Francis Reviewed-by: Richard Henderson Signed-off-by: Bastian Koppelmann Signed-off-by: Peer Adelt --- target/riscv/insn32-64.decode | 6 +++ target/riscv/insn_trans/trans_rvf.inc.c | 54 +++++++++++++++++++++++++ 2 files changed, 60 insertions(+) diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode index 0bee95c984..6319f872ac 100644 --- a/target/riscv/insn32-64.decode +++ b/target/riscv/insn32-64.decode @@ -56,3 +56,9 @@ amomin_d 10000 . . ..... ..... 011 ..... 0101111 @atom_st amomax_d 10100 . . ..... ..... 011 ..... 0101111 @atom_st amominu_d 11000 . . ..... ..... 011 ..... 0101111 @atom_st amomaxu_d 11100 . . ..... ..... 011 ..... 0101111 @atom_st + +# *** RV64F Standard Extension (in addition to RV32F) *** +fcvt_l_s 1100000 00010 ..... ... ..... 1010011 @r2_rm +fcvt_lu_s 1100000 00011 ..... ... ..... 1010011 @r2_rm +fcvt_s_l 1101000 00010 ..... ... ..... 1010011 @r2_rm +fcvt_s_lu 1101000 00011 ..... ... ..... 1010011 @r2_rm diff --git a/target/riscv/insn_trans/trans_rvf.inc.c b/target/riscv/insn_trans/trans_rvf.inc.c index b101593ac4..b667c576d4 100644 --- a/target/riscv/insn_trans/trans_rvf.inc.c +++ b/target/riscv/insn_trans/trans_rvf.inc.c @@ -332,3 +332,57 @@ static bool trans_fmv_w_x(DisasContext *ctx, arg_fmv_w_x *a) return true; } + +#ifdef TARGET_RISCV64 +static bool trans_fcvt_l_s(DisasContext *ctx, arg_fcvt_l_s *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_l_s(t0, cpu_env, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + return true; +} + +static bool trans_fcvt_lu_s(DisasContext *ctx, arg_fcvt_lu_s *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_lu_s(t0, cpu_env, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + return true; +} + +static bool trans_fcvt_s_l(DisasContext *ctx, arg_fcvt_s_l *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_s_l(cpu_fpr[a->rd], cpu_env, t0); + + tcg_temp_free(t0); + return true; +} + +static bool trans_fcvt_s_lu(DisasContext *ctx, arg_fcvt_s_lu *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_s_lu(cpu_fpr[a->rd], cpu_env, t0); + + tcg_temp_free(t0); + return true; +} +#endif -- 2.20.1