We are going to need the complete memop beforehand, so let's not compute it twice.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- target/arm/translate-a64.c | 42 +++++++++++++++++--------------------- 1 file changed, 19 insertions(+), 23 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index fd499a208d..cc857d60d7 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -955,16 +955,14 @@ static void do_gpr_ld(DisasContext *s, TCGv_i64 dest, TCGv_i64 tcg_addr, /* * Store from FP register to memory */ -static void do_fp_st(DisasContext *s, int srcidx, TCGv_i64 tcg_addr, int size) +static void do_fp_st(DisasContext *s, int srcidx, TCGv_i64 tcg_addr, MemOp mop) { /* This writes the bottom N bits of a 128 bit wide vector to memory */ TCGv_i64 tmplo = tcg_temp_new_i64(); - MemOp mop; tcg_gen_ld_i64(tmplo, cpu_env, fp_reg_offset(s, srcidx, MO_64)); - if (size < MO_128) { - mop = finalize_memop(s, size); + if ((mop & MO_SIZE) < MO_128) { tcg_gen_qemu_st_i64(tmplo, tcg_addr, get_mem_index(s), mop); } else { TCGv_i64 tmphi = tcg_temp_new_i64(); @@ -974,7 +972,6 @@ static void do_fp_st(DisasContext *s, int srcidx, TCGv_i64 tcg_addr, int size) tcg_gen_concat_i64_i128(t16, tmplo, tmphi); tcg_temp_free_i64(tmphi); - mop = finalize_memop(s, size); tcg_gen_qemu_st_i128(t16, tcg_addr, get_mem_index(s), mop); tcg_temp_free_i128(t16); } @@ -985,20 +982,17 @@ static void do_fp_st(DisasContext *s, int srcidx, TCGv_i64 tcg_addr, int size) /* * Load from memory to FP register */ -static void do_fp_ld(DisasContext *s, int destidx, TCGv_i64 tcg_addr, int size) +static void do_fp_ld(DisasContext *s, int destidx, TCGv_i64 tcg_addr, MemOp mop) { /* This always zero-extends and writes to a full 128 bit wide vector */ TCGv_i64 tmplo = tcg_temp_new_i64(); TCGv_i64 tmphi = NULL; - MemOp mop; - if (size < MO_128) { - mop = finalize_memop(s, size); + if ((mop & MO_SIZE) < MO_128) { tcg_gen_qemu_ld_i64(tmplo, tcg_addr, get_mem_index(s), mop); } else { TCGv_i128 t16 = tcg_temp_new_i128(); - mop = finalize_memop(s, size); tcg_gen_qemu_ld_i128(t16, tcg_addr, get_mem_index(s), mop); tmphi = tcg_temp_new_i64(); @@ -2910,6 +2904,7 @@ static void disas_ld_lit(DisasContext *s, uint32_t insn) bool is_signed = false; int size = 2; TCGv_i64 tcg_rt, clean_addr; + MemOp mop; if (is_vector) { if (opc == 3) { @@ -2933,13 +2928,13 @@ static void disas_ld_lit(DisasContext *s, uint32_t insn) clean_addr = new_tmp_a64(s); gen_pc_plus_diff(s, clean_addr, imm); + + mop = finalize_memop(s, size + is_signed * MO_SIGN); if (is_vector) { - do_fp_ld(s, rt, clean_addr, size); + do_fp_ld(s, rt, clean_addr, mop); } else { /* Only unsigned 32bit loads target 32bit registers. */ bool iss_sf = opc != 0; - MemOp memop = finalize_memop(s, size + is_signed * MO_SIGN); - do_gpr_ld(s, tcg_rt, clean_addr, mop, false, true, rt, iss_sf, false); } } @@ -3076,16 +3071,17 @@ static void disas_ldst_pair(DisasContext *s, uint32_t insn) (wback || rn != 31) && !set_tag, 2 << size); if (is_vector) { + MemOp mop = finalize_memop(s, size); if (is_load) { - do_fp_ld(s, rt, clean_addr, size); + do_fp_ld(s, rt, clean_addr, mop); } else { - do_fp_st(s, rt, clean_addr, size); + do_fp_st(s, rt, clean_addr, mop); } tcg_gen_addi_i64(clean_addr, clean_addr, 1 << size); if (is_load) { - do_fp_ld(s, rt2, clean_addr, size); + do_fp_ld(s, rt2, clean_addr, mop); } else { - do_fp_st(s, rt2, clean_addr, size); + do_fp_st(s, rt2, clean_addr, mop); } } else { TCGv_i64 tcg_rt = cpu_reg(s, rt); @@ -3269,9 +3265,9 @@ static void disas_ldst_reg_imm9(DisasContext *s, uint32_t insn, if (is_vector) { if (is_store) { - do_fp_st(s, rt, clean_addr, size); + do_fp_st(s, rt, clean_addr, memop); } else { - do_fp_ld(s, rt, clean_addr, size); + do_fp_ld(s, rt, clean_addr, memop); } } else { TCGv_i64 tcg_rt = cpu_reg(s, rt); @@ -3377,9 +3373,9 @@ static void disas_ldst_reg_roffset(DisasContext *s, uint32_t insn, if (is_vector) { if (is_store) { - do_fp_st(s, rt, clean_addr, size); + do_fp_st(s, rt, clean_addr, memop); } else { - do_fp_ld(s, rt, clean_addr, size); + do_fp_ld(s, rt, clean_addr, memop); } } else { TCGv_i64 tcg_rt = cpu_reg(s, rt); @@ -3463,9 +3459,9 @@ static void disas_ldst_reg_unsigned_imm(DisasContext *s, uint32_t insn, if (is_vector) { if (is_store) { - do_fp_st(s, rt, clean_addr, size); + do_fp_st(s, rt, clean_addr, memop); } else { - do_fp_ld(s, rt, clean_addr, size); + do_fp_ld(s, rt, clean_addr, memop); } } else { TCGv_i64 tcg_rt = cpu_reg(s, rt); -- 2.34.1