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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-10-24 07:50:18 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-10-24 07:51:36 +0100 |
| commit | 10e0b33c676b4e8ac80d5929980f4fa6be617c5a (patch) | |
| tree | da75a7917be7d5ab2cfbeb882f8788f69e50362d | |
| parent | 7108e255c2d95b44c9dfee8075d0d6fb391281a8 (diff) | |
| download | qemu-10e0b33c676b4e8ac80d5929980f4fa6be617c5a.zip qemu-10e0b33c676b4e8ac80d5929980f4fa6be617c5a.tar.gz qemu-10e0b33c676b4e8ac80d5929980f4fa6be617c5a.tar.bz2 | |
target/arm: Use tcg_gen_gvec_dup_i64 for LD[1-4]R
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181011205206.3552-4-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/translate-a64.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 8a80f4c..8e8d3a8 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -3223,36 +3223,14 @@ static void disas_ldst_single_struct(DisasContext *s, uint32_t insn) for (xs = 0; xs < selem; xs++) { if (replicate) { /* Load and replicate to all elements */ - uint64_t mulconst; TCGv_i64 tcg_tmp = tcg_temp_new_i64(); tcg_gen_qemu_ld_i64(tcg_tmp, tcg_addr, get_mem_index(s), s->be_data + scale); - switch (scale) { - case 0: - mulconst = 0x0101010101010101ULL; - break; - case 1: - mulconst = 0x0001000100010001ULL; - break; - case 2: - mulconst = 0x0000000100000001ULL; - break; - case 3: - mulconst = 0; - break; - default: - g_assert_not_reached(); - } - if (mulconst) { - tcg_gen_muli_i64(tcg_tmp, tcg_tmp, mulconst); - } - write_vec_element(s, tcg_tmp, rt, 0, MO_64); - if (is_q) { - write_vec_element(s, tcg_tmp, rt, 1, MO_64); - } + tcg_gen_gvec_dup_i64(scale, vec_full_reg_offset(s, rt), + (is_q + 1) * 8, vec_full_reg_size(s), + tcg_tmp); tcg_temp_free_i64(tcg_tmp); - clear_vec_high(s, is_q, rt); } else { /* Load/store one element per register */ if (is_load) { |