diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 109 |
1 files changed, 36 insertions, 73 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index 398764e..16d2ebf 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -3653,59 +3653,43 @@ static int gen_neon_unzip(int rd, int rm, int size, int q) return 0; } -static void gen_neon_zip_u8(TCGv t0, TCGv t1) -{ - TCGv rd, rm, tmp; - - rd = new_tmp(); - rm = new_tmp(); - tmp = new_tmp(); - - tcg_gen_andi_i32(rd, t0, 0xff); - tcg_gen_shli_i32(tmp, t1, 8); - tcg_gen_andi_i32(tmp, tmp, 0xff00); - tcg_gen_or_i32(rd, rd, tmp); - tcg_gen_shli_i32(tmp, t0, 16); - tcg_gen_andi_i32(tmp, tmp, 0xff0000); - tcg_gen_or_i32(rd, rd, tmp); - tcg_gen_shli_i32(tmp, t1, 24); - tcg_gen_andi_i32(tmp, tmp, 0xff000000); - tcg_gen_or_i32(rd, rd, tmp); - - tcg_gen_andi_i32(rm, t1, 0xff000000); - tcg_gen_shri_i32(tmp, t0, 8); - tcg_gen_andi_i32(tmp, tmp, 0xff0000); - tcg_gen_or_i32(rm, rm, tmp); - tcg_gen_shri_i32(tmp, t1, 8); - tcg_gen_andi_i32(tmp, tmp, 0xff00); - tcg_gen_or_i32(rm, rm, tmp); - tcg_gen_shri_i32(tmp, t0, 16); - tcg_gen_andi_i32(tmp, tmp, 0xff); - tcg_gen_or_i32(t1, rm, tmp); - tcg_gen_mov_i32(t0, rd); - - dead_tmp(tmp); - dead_tmp(rm); - dead_tmp(rd); -} - -static void gen_neon_zip_u16(TCGv t0, TCGv t1) +static int gen_neon_zip(int rd, int rm, int size, int q) { TCGv tmp, tmp2; - - tmp = new_tmp(); - tmp2 = new_tmp(); - - tcg_gen_andi_i32(tmp, t0, 0xffff); - tcg_gen_shli_i32(tmp2, t1, 16); - tcg_gen_or_i32(tmp, tmp, tmp2); - tcg_gen_andi_i32(t1, t1, 0xffff0000); - tcg_gen_shri_i32(tmp2, t0, 16); - tcg_gen_or_i32(t1, t1, tmp2); - tcg_gen_mov_i32(t0, tmp); - - dead_tmp(tmp2); - dead_tmp(tmp); + if (size == 3 || (!q && size == 2)) { + return 1; + } + tmp = tcg_const_i32(rd); + tmp2 = tcg_const_i32(rm); + if (q) { + switch (size) { + case 0: + gen_helper_neon_qzip8(cpu_env, tmp, tmp2); + break; + case 1: + gen_helper_neon_qzip16(cpu_env, tmp, tmp2); + break; + case 2: + gen_helper_neon_qzip32(cpu_env, tmp, tmp2); + break; + default: + abort(); + } + } else { + switch (size) { + case 0: + gen_helper_neon_zip8(cpu_env, tmp, tmp2); + break; + case 1: + gen_helper_neon_zip16(cpu_env, tmp, tmp2); + break; + default: + abort(); + } + } + tcg_temp_free_i32(tmp); + tcg_temp_free_i32(tmp2); + return 0; } static void gen_neon_trn_u8(TCGv t0, TCGv t1) @@ -5429,29 +5413,8 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) } break; case 35: /* VZIP */ - /* Reg Before After - Rd A3 A2 A1 A0 B1 A1 B0 A0 - Rm B3 B2 B1 B0 B3 A3 B2 A2 - */ - if (size == 3) + if (gen_neon_zip(rd, rm, size, q)) { return 1; - count = (q ? 4 : 2); - for (n = 0; n < count; n++) { - tmp = neon_load_reg(rd, n); - tmp2 = neon_load_reg(rd, n); - switch (size) { - case 0: gen_neon_zip_u8(tmp, tmp2); break; - case 1: gen_neon_zip_u16(tmp, tmp2); break; - case 2: /* no-op */; break; - default: abort(); - } - neon_store_scratch(n * 2, tmp); - neon_store_scratch(n * 2 + 1, tmp2); - } - for (n = 0; n < count * 2; n++) { - int reg = (n < count) ? rd : rm; - tmp = neon_load_scratch(n); - neon_store_reg(reg, n % count, tmp); } break; case 36: case 37: /* VMOVN, VQMOVUN, VQMOVN */ |
