diff options
Diffstat (limited to 'target/sparc/translate.c')
| -rw-r--r-- | target/sparc/translate.c | 129 |
1 files changed, 118 insertions, 11 deletions
diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 571b3e3f03..99c6f3cc72 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -45,6 +45,7 @@ # define gen_helper_clear_softint(E, S) qemu_build_not_reached() # define gen_helper_done(E) qemu_build_not_reached() # define gen_helper_flushw(E) qemu_build_not_reached() +# define gen_helper_fmul8x16a(D, S1, S2) qemu_build_not_reached() # define gen_helper_rdccr(D, E) qemu_build_not_reached() # define gen_helper_rdcwp(D, E) qemu_build_not_reached() # define gen_helper_restored(E) qemu_build_not_reached() @@ -72,11 +73,7 @@ # define gen_helper_fexpand ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fmul8sux16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fmul8ulx16 ({ qemu_build_not_reached(); NULL; }) -# define gen_helper_fmul8x16al ({ qemu_build_not_reached(); NULL; }) -# define gen_helper_fmul8x16au ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fmul8x16 ({ qemu_build_not_reached(); NULL; }) -# define gen_helper_fmuld8sux16 ({ qemu_build_not_reached(); NULL; }) -# define gen_helper_fmuld8ulx16 ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fpmerge ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fqtox ({ qemu_build_not_reached(); NULL; }) # define gen_helper_fstox ({ qemu_build_not_reached(); NULL; }) @@ -719,6 +716,60 @@ static void gen_op_bshuffle(TCGv_i64 dst, TCGv_i64 src1, TCGv_i64 src2) #endif } +static void gen_op_fmul8x16al(TCGv_i64 dst, TCGv_i32 src1, TCGv_i32 src2) +{ + tcg_gen_ext16s_i32(src2, src2); + gen_helper_fmul8x16a(dst, src1, src2); +} + +static void gen_op_fmul8x16au(TCGv_i64 dst, TCGv_i32 src1, TCGv_i32 src2) +{ + tcg_gen_sari_i32(src2, src2, 16); + gen_helper_fmul8x16a(dst, src1, src2); +} + +static void gen_op_fmuld8ulx16(TCGv_i64 dst, TCGv_i32 src1, TCGv_i32 src2) +{ + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + tcg_gen_ext8u_i32(t0, src1); + tcg_gen_ext16s_i32(t1, src2); + tcg_gen_mul_i32(t0, t0, t1); + + tcg_gen_extract_i32(t1, src1, 16, 8); + tcg_gen_sextract_i32(t2, src2, 16, 16); + tcg_gen_mul_i32(t1, t1, t2); + + tcg_gen_concat_i32_i64(dst, t0, t1); +} + +static void gen_op_fmuld8sux16(TCGv_i64 dst, TCGv_i32 src1, TCGv_i32 src2) +{ + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + /* + * The insn description talks about extracting the upper 8 bits + * of the signed 16-bit input rs1, performing the multiply, then + * shifting left by 8 bits. Instead, zap the lower 8 bits of + * the rs1 input, which avoids the need for two shifts. + */ + tcg_gen_ext16s_i32(t0, src1); + tcg_gen_andi_i32(t0, t0, ~0xff); + tcg_gen_ext16s_i32(t1, src2); + tcg_gen_mul_i32(t0, t0, t1); + + tcg_gen_sextract_i32(t1, src1, 16, 16); + tcg_gen_andi_i32(t1, t1, ~0xff); + tcg_gen_sextract_i32(t2, src2, 16, 16); + tcg_gen_mul_i32(t1, t1, t2); + + tcg_gen_concat_i32_i64(dst, t0, t1); +} + static void finishing_insn(DisasContext *dc) { /* @@ -4358,6 +4409,25 @@ TRANS(FSQRTd, ALL, do_env_dd, a, gen_helper_fsqrtd) TRANS(FxTOd, 64, do_env_dd, a, gen_helper_fxtod) TRANS(FdTOx, 64, do_env_dd, a, gen_helper_fdtox) +static bool do_df(DisasContext *dc, arg_r_r *a, + void (*func)(TCGv_i64, TCGv_i32)) +{ + TCGv_i64 dst; + TCGv_i32 src; + + if (gen_trap_ifnofpu(dc)) { + return true; + } + + dst = tcg_temp_new_i64(); + src = gen_load_fpr_F(dc, a->rs); + func(dst, src); + gen_store_fpr_D(dc, a->rd, dst); + return advance_pc(dc); +} + +TRANS(FEXPAND, VIS1, do_df, a, gen_helper_fexpand) + static bool do_env_df(DisasContext *dc, arg_r_r *a, void (*func)(TCGv_i64, TCGv_env, TCGv_i32)) { @@ -4564,6 +4634,50 @@ TRANS(FSUBs, ALL, do_env_fff, a, gen_helper_fsubs) TRANS(FMULs, ALL, do_env_fff, a, gen_helper_fmuls) TRANS(FDIVs, ALL, do_env_fff, a, gen_helper_fdivs) +static bool do_dff(DisasContext *dc, arg_r_r_r *a, + void (*func)(TCGv_i64, TCGv_i32, TCGv_i32)) +{ + TCGv_i64 dst; + TCGv_i32 src1, src2; + + if (gen_trap_ifnofpu(dc)) { + return true; + } + + dst = gen_dest_fpr_D(dc, a->rd); + src1 = gen_load_fpr_F(dc, a->rs1); + src2 = gen_load_fpr_F(dc, a->rs2); + func(dst, src1, src2); + gen_store_fpr_D(dc, a->rd, dst); + return advance_pc(dc); +} + +TRANS(FMUL8x16AU, VIS1, do_dff, a, gen_op_fmul8x16au) +TRANS(FMUL8x16AL, VIS1, do_dff, a, gen_op_fmul8x16al) +TRANS(FMULD8SUx16, VIS1, do_dff, a, gen_op_fmuld8sux16) +TRANS(FMULD8ULx16, VIS1, do_dff, a, gen_op_fmuld8ulx16) +TRANS(FPMERGE, VIS1, do_dff, a, gen_helper_fpmerge) + +static bool do_dfd(DisasContext *dc, arg_r_r_r *a, + void (*func)(TCGv_i64, TCGv_i32, TCGv_i64)) +{ + TCGv_i64 dst, src2; + TCGv_i32 src1; + + if (gen_trap_ifnofpu(dc)) { + return true; + } + + dst = gen_dest_fpr_D(dc, a->rd); + src1 = gen_load_fpr_F(dc, a->rs1); + src2 = gen_load_fpr_D(dc, a->rs2); + func(dst, src1, src2); + gen_store_fpr_D(dc, a->rd, dst); + return advance_pc(dc); +} + +TRANS(FMUL8x16, VIS1, do_dfd, a, gen_helper_fmul8x16) + static bool do_ddd(DisasContext *dc, arg_r_r_r *a, void (*func)(TCGv_i64, TCGv_i64, TCGv_i64)) { @@ -4581,15 +4695,8 @@ static bool do_ddd(DisasContext *dc, arg_r_r_r *a, return advance_pc(dc); } -TRANS(FMUL8x16, VIS1, do_ddd, a, gen_helper_fmul8x16) -TRANS(FMUL8x16AU, VIS1, do_ddd, a, gen_helper_fmul8x16au) -TRANS(FMUL8x16AL, VIS1, do_ddd, a, gen_helper_fmul8x16al) TRANS(FMUL8SUx16, VIS1, do_ddd, a, gen_helper_fmul8sux16) TRANS(FMUL8ULx16, VIS1, do_ddd, a, gen_helper_fmul8ulx16) -TRANS(FMULD8SUx16, VIS1, do_ddd, a, gen_helper_fmuld8sux16) -TRANS(FMULD8ULx16, VIS1, do_ddd, a, gen_helper_fmuld8ulx16) -TRANS(FPMERGE, VIS1, do_ddd, a, gen_helper_fpmerge) -TRANS(FEXPAND, VIS1, do_ddd, a, gen_helper_fexpand) TRANS(FPADD16, VIS1, do_ddd, a, tcg_gen_vec_add16_i64) TRANS(FPADD32, VIS1, do_ddd, a, tcg_gen_vec_add32_i64) |