From: Bastian Koppelmann <kbast...@mail.uni-paderborn.de> Acked-by: Alistair Francis <alistair.fran...@wdc.com> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Signed-off-by: Bastian Koppelmann <kbast...@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.ad...@hni.uni-paderborn.de> Signed-off-by: Palmer Dabbelt <pal...@sifive.com> --- target/riscv/insn32.decode | 28 ++ target/riscv/insn_trans/trans_rvd.inc.c | 360 ++++++++++++++++++++++++ target/riscv/translate.c | 1 + 3 files changed, 389 insertions(+) create mode 100644 target/riscv/insn_trans/trans_rvd.inc.c
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index e40836bf032f..e64b2b5e3458 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -154,3 +154,31 @@ fclass_s 1110000 00000 ..... 001 ..... 1010011 @r2 fcvt_s_w 1101000 00000 ..... ... ..... 1010011 @r2_rm fcvt_s_wu 1101000 00001 ..... ... ..... 1010011 @r2_rm fmv_w_x 1111000 00000 ..... 000 ..... 1010011 @r2 + +# *** RV32D Standard Extension *** +fld ............ ..... 011 ..... 0000111 @i +fsd ....... ..... ..... 011 ..... 0100111 @s +fmadd_d ..... 01 ..... ..... ... ..... 1000011 @r4_rm +fmsub_d ..... 01 ..... ..... ... ..... 1000111 @r4_rm +fnmsub_d ..... 01 ..... ..... ... ..... 1001011 @r4_rm +fnmadd_d ..... 01 ..... ..... ... ..... 1001111 @r4_rm +fadd_d 0000001 ..... ..... ... ..... 1010011 @r_rm +fsub_d 0000101 ..... ..... ... ..... 1010011 @r_rm +fmul_d 0001001 ..... ..... ... ..... 1010011 @r_rm +fdiv_d 0001101 ..... ..... ... ..... 1010011 @r_rm +fsqrt_d 0101101 00000 ..... ... ..... 1010011 @r2_rm +fsgnj_d 0010001 ..... ..... 000 ..... 1010011 @r +fsgnjn_d 0010001 ..... ..... 001 ..... 1010011 @r +fsgnjx_d 0010001 ..... ..... 010 ..... 1010011 @r +fmin_d 0010101 ..... ..... 000 ..... 1010011 @r +fmax_d 0010101 ..... ..... 001 ..... 1010011 @r +fcvt_s_d 0100000 00001 ..... ... ..... 1010011 @r2_rm +fcvt_d_s 0100001 00000 ..... ... ..... 1010011 @r2_rm +feq_d 1010001 ..... ..... 010 ..... 1010011 @r +flt_d 1010001 ..... ..... 001 ..... 1010011 @r +fle_d 1010001 ..... ..... 000 ..... 1010011 @r +fclass_d 1110001 00000 ..... 001 ..... 1010011 @r2 +fcvt_w_d 1100001 00000 ..... ... ..... 1010011 @r2_rm +fcvt_wu_d 1100001 00001 ..... ... ..... 1010011 @r2_rm +fcvt_d_w 1101001 00000 ..... ... ..... 1010011 @r2_rm +fcvt_d_wu 1101001 00001 ..... ... ..... 1010011 @r2_rm diff --git a/target/riscv/insn_trans/trans_rvd.inc.c b/target/riscv/insn_trans/trans_rvd.inc.c new file mode 100644 index 000000000000..98fc1cdc5a20 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvd.inc.c @@ -0,0 +1,360 @@ +/* + * RISC-V translation routines for the RV64D Standard Extension. + * + * Copyright (c) 2016-2017 Sagar Karandikar, sag...@eecs.berkeley.edu + * Copyright (c) 2018 Peer Adelt, peer.ad...@hni.uni-paderborn.de + * Bastian Koppelmann, kbast...@mail.uni-paderborn.de + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +static bool trans_fld(DisasContext *ctx, arg_fld *a) +{ + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + tcg_gen_addi_tl(t0, t0, a->imm); + + tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], t0, ctx->mem_idx, MO_TEQ); + + mark_fs_dirty(ctx); + tcg_temp_free(t0); + return true; +} + +static bool trans_fsd(DisasContext *ctx, arg_fsd *a) +{ + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + tcg_gen_addi_tl(t0, t0, a->imm); + + tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], t0, ctx->mem_idx, MO_TEQ); + + mark_fs_dirty(ctx); + tcg_temp_free(t0); + return true; +} + +static bool trans_fmadd_d(DisasContext *ctx, arg_fmadd_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + gen_set_rm(ctx, a->rm); + gen_helper_fmadd_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fmsub_d(DisasContext *ctx, arg_fmsub_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + gen_set_rm(ctx, a->rm); + gen_helper_fmsub_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fnmsub_d(DisasContext *ctx, arg_fnmsub_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + gen_set_rm(ctx, a->rm); + gen_helper_fnmsub_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fnmadd_d(DisasContext *ctx, arg_fnmadd_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + gen_set_rm(ctx, a->rm); + gen_helper_fnmadd_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fadd_d(DisasContext *ctx, arg_fadd_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fadd_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fsub_d(DisasContext *ctx, arg_fsub_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fsub_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fmul_d(DisasContext *ctx, arg_fmul_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fmul_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fdiv_d(DisasContext *ctx, arg_fdiv_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fdiv_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fsqrt_d(DisasContext *ctx, arg_fsqrt_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fsqrt_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fsgnj_d(DisasContext *ctx, arg_fsgnj_d *a) +{ + if (a->rs1 == a->rs2) { /* FMOV */ + tcg_gen_mov_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1]); + } else { + tcg_gen_deposit_i64(cpu_fpr[a->rd], cpu_fpr[a->rs2], + cpu_fpr[a->rs1], 0, 63); + } + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fsgnjn_d(DisasContext *ctx, arg_fsgnjn_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + if (a->rs1 == a->rs2) { /* FNEG */ + tcg_gen_xori_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], INT64_MIN); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_not_i64(t0, cpu_fpr[a->rs2]); + tcg_gen_deposit_i64(cpu_fpr[a->rd], t0, cpu_fpr[a->rs1], 0, 63); + tcg_temp_free_i64(t0); + } + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fsgnjx_d(DisasContext *ctx, arg_fsgnjx_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + if (a->rs1 == a->rs2) { /* FABS */ + tcg_gen_andi_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], ~INT64_MIN); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_andi_i64(t0, cpu_fpr[a->rs2], INT64_MIN); + tcg_gen_xor_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], t0); + tcg_temp_free_i64(t0); + } + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fmin_d(DisasContext *ctx, arg_fmin_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_helper_fmin_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fmax_d(DisasContext *ctx, arg_fmax_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_helper_fmax_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fcvt_s_d(DisasContext *ctx, arg_fcvt_s_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_s_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fcvt_d_s(DisasContext *ctx, arg_fcvt_d_s *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_d_s(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1]); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_feq_d(DisasContext *ctx, arg_feq_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_helper_feq_d(t0, cpu_env, cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_flt_d(DisasContext *ctx, arg_flt_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_helper_flt_d(t0, cpu_env, cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fle_d(DisasContext *ctx, arg_fle_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_helper_fle_d(t0, cpu_env, cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fclass_d(DisasContext *ctx, arg_fclass_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_helper_fclass_d(t0, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + return true; +} + +static bool trans_fcvt_w_d(DisasContext *ctx, arg_fcvt_w_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_w_d(t0, cpu_env, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fcvt_wu_d(DisasContext *ctx, arg_fcvt_wu_d *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_wu_d(t0, cpu_env, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fcvt_d_w(DisasContext *ctx, arg_fcvt_d_w *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_d_w(cpu_fpr[a->rd], cpu_env, t0); + tcg_temp_free(t0); + + mark_fs_dirty(ctx); + return true; +} + +static bool trans_fcvt_d_wu(DisasContext *ctx, arg_fcvt_d_wu *a) +{ + REQUIRE_FPU; + REQUIRE_EXT(ctx, RVD); + + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_d_wu(cpu_fpr[a->rd], cpu_env, t0); + tcg_temp_free(t0); + + mark_fs_dirty(ctx); + return true; +} diff --git a/target/riscv/translate.c b/target/riscv/translate.c index b9f78f5a1f8f..c201985ef37b 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1718,6 +1718,7 @@ bool decode_insn32(DisasContext *ctx, uint32_t insn); #include "insn_trans/trans_rvm.inc.c" #include "insn_trans/trans_rva.inc.c" #include "insn_trans/trans_rvf.inc.c" +#include "insn_trans/trans_rvd.inc.c" static void decode_RV32_64G(DisasContext *ctx) { -- 2.19.2
