diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 133 |
1 files changed, 81 insertions, 52 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index 3fe545d6c4..f0ebf4fad6 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -795,6 +795,12 @@ static inline TCGv gen_ld32(TCGv addr, int index) tcg_gen_qemu_ld32u(tmp, addr, index); return tmp; } +static inline TCGv_i64 gen_ld64(TCGv addr, int index) +{ + TCGv_i64 tmp = tcg_temp_new_i64(); + tcg_gen_qemu_ld64(tmp, addr, index); + return tmp; +} static inline void gen_st8(TCGv val, TCGv addr, int index) { tcg_gen_qemu_st8(val, addr, index); @@ -810,6 +816,11 @@ static inline void gen_st32(TCGv val, TCGv addr, int index) tcg_gen_qemu_st32(val, addr, index); dead_tmp(val); } +static inline void gen_st64(TCGv_i64 val, TCGv addr, int index) +{ + tcg_gen_qemu_st64(val, addr, index); + tcg_temp_free_i64(val); +} static inline void gen_set_pc_im(uint32_t val) { @@ -3680,6 +3691,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) int op; int nregs; int interleave; + int spacing; int stride; int size; int reg; @@ -3690,6 +3702,7 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) TCGv addr; TCGv tmp; TCGv tmp2; + TCGv_i64 tmp64; if (!vfp_enabled(env)) return 1; @@ -3702,10 +3715,13 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) /* Load store all elements. */ op = (insn >> 8) & 0xf; size = (insn >> 6) & 3; - if (op > 10 || size == 3) + if (op > 10) return 1; nregs = neon_ls_element_type[op].nregs; interleave = neon_ls_element_type[op].interleave; + spacing = neon_ls_element_type[op].spacing; + if (size == 3 && (interleave | spacing) != 1) + return 1; load_reg_var(s, addr, rn); stride = (1 << size) * interleave; for (reg = 0; reg < nregs; reg++) { @@ -3716,65 +3732,78 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) load_reg_var(s, addr, rn); tcg_gen_addi_i32(addr, addr, 1 << size); } - for (pass = 0; pass < 2; pass++) { - if (size == 2) { - if (load) { - tmp = gen_ld32(addr, IS_USER(s)); - neon_store_reg(rd, pass, tmp); - } else { - tmp = neon_load_reg(rd, pass); - gen_st32(tmp, addr, IS_USER(s)); - } - tcg_gen_addi_i32(addr, addr, stride); - } else if (size == 1) { - if (load) { - tmp = gen_ld16u(addr, IS_USER(s)); - tcg_gen_addi_i32(addr, addr, stride); - tmp2 = gen_ld16u(addr, IS_USER(s)); - tcg_gen_addi_i32(addr, addr, stride); - gen_bfi(tmp, tmp, tmp2, 16, 0xffff); - dead_tmp(tmp2); - neon_store_reg(rd, pass, tmp); - } else { - tmp = neon_load_reg(rd, pass); - tmp2 = new_tmp(); - tcg_gen_shri_i32(tmp2, tmp, 16); - gen_st16(tmp, addr, IS_USER(s)); - tcg_gen_addi_i32(addr, addr, stride); - gen_st16(tmp2, addr, IS_USER(s)); + if (size == 3) { + if (load) { + tmp64 = gen_ld64(addr, IS_USER(s)); + neon_store_reg64(tmp64, rd); + tcg_temp_free_i64(tmp64); + } else { + tmp64 = tcg_temp_new_i64(); + neon_load_reg64(tmp64, rd); + gen_st64(tmp64, addr, IS_USER(s)); + } + tcg_gen_addi_i32(addr, addr, stride); + } else { + for (pass = 0; pass < 2; pass++) { + if (size == 2) { + if (load) { + tmp = gen_ld32(addr, IS_USER(s)); + neon_store_reg(rd, pass, tmp); + } else { + tmp = neon_load_reg(rd, pass); + gen_st32(tmp, addr, IS_USER(s)); + } tcg_gen_addi_i32(addr, addr, stride); - } - } else /* size == 0 */ { - if (load) { - TCGV_UNUSED(tmp2); - for (n = 0; n < 4; n++) { - tmp = gen_ld8u(addr, IS_USER(s)); + } else if (size == 1) { + if (load) { + tmp = gen_ld16u(addr, IS_USER(s)); + tcg_gen_addi_i32(addr, addr, stride); + tmp2 = gen_ld16u(addr, IS_USER(s)); + tcg_gen_addi_i32(addr, addr, stride); + gen_bfi(tmp, tmp, tmp2, 16, 0xffff); + dead_tmp(tmp2); + neon_store_reg(rd, pass, tmp); + } else { + tmp = neon_load_reg(rd, pass); + tmp2 = new_tmp(); + tcg_gen_shri_i32(tmp2, tmp, 16); + gen_st16(tmp, addr, IS_USER(s)); + tcg_gen_addi_i32(addr, addr, stride); + gen_st16(tmp2, addr, IS_USER(s)); tcg_gen_addi_i32(addr, addr, stride); - if (n == 0) { - tmp2 = tmp; - } else { - gen_bfi(tmp2, tmp2, tmp, n * 8, 0xff); - dead_tmp(tmp); - } } - neon_store_reg(rd, pass, tmp2); - } else { - tmp2 = neon_load_reg(rd, pass); - for (n = 0; n < 4; n++) { - tmp = new_tmp(); - if (n == 0) { - tcg_gen_mov_i32(tmp, tmp2); - } else { - tcg_gen_shri_i32(tmp, tmp2, n * 8); + } else /* size == 0 */ { + if (load) { + TCGV_UNUSED(tmp2); + for (n = 0; n < 4; n++) { + tmp = gen_ld8u(addr, IS_USER(s)); + tcg_gen_addi_i32(addr, addr, stride); + if (n == 0) { + tmp2 = tmp; + } else { + gen_bfi(tmp2, tmp2, tmp, n * 8, 0xff); + dead_tmp(tmp); + } } - gen_st8(tmp, addr, IS_USER(s)); - tcg_gen_addi_i32(addr, addr, stride); + neon_store_reg(rd, pass, tmp2); + } else { + tmp2 = neon_load_reg(rd, pass); + for (n = 0; n < 4; n++) { + tmp = new_tmp(); + if (n == 0) { + tcg_gen_mov_i32(tmp, tmp2); + } else { + tcg_gen_shri_i32(tmp, tmp2, n * 8); + } + gen_st8(tmp, addr, IS_USER(s)); + tcg_gen_addi_i32(addr, addr, stride); + } + dead_tmp(tmp2); } - dead_tmp(tmp2); } } } - rd += neon_ls_element_type[op].spacing; + rd += spacing; } stride = nregs * 8; } else { |