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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-24 18:03:09 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:44 +0100 |
| commit | e6eba6e532a5f19519d925c8f68da032537abcac (patch) | |
| tree | 1b948454d2264b3ee6594809241084480753ef98 /target/arm/translate-a64.c | |
| parent | 7d47ac94a7c15e820d41adda4cf706c2001e675c (diff) | |
| download | qemu-e6eba6e532a5f19519d925c8f68da032537abcac.zip qemu-e6eba6e532a5f19519d925c8f68da032537abcac.tar.gz qemu-e6eba6e532a5f19519d925c8f68da032537abcac.tar.bz2 | |
target/arm: Implement SVE2 XAR
In addition, use the same vector generator interface for AdvSIMD.
This fixes a bug in which the AdvSIMD insn failed to clear the
high bits of the SVE register.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-44-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-a64.c')
| -rw-r--r-- | target/arm/translate-a64.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 0c80d0b..bdd4720 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -14349,8 +14349,6 @@ static void disas_crypto_xar(DisasContext *s, uint32_t insn) int imm6 = extract32(insn, 10, 6); int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); - TCGv_i64 tcg_op1, tcg_op2, tcg_res[2]; - int pass; if (!dc_isar_feature(aa64_sha3, s)) { unallocated_encoding(s); @@ -14361,25 +14359,10 @@ static void disas_crypto_xar(DisasContext *s, uint32_t insn) return; } - tcg_op1 = tcg_temp_new_i64(); - tcg_op2 = tcg_temp_new_i64(); - tcg_res[0] = tcg_temp_new_i64(); - tcg_res[1] = tcg_temp_new_i64(); - - for (pass = 0; pass < 2; pass++) { - read_vec_element(s, tcg_op1, rn, pass, MO_64); - read_vec_element(s, tcg_op2, rm, pass, MO_64); - - tcg_gen_xor_i64(tcg_res[pass], tcg_op1, tcg_op2); - tcg_gen_rotri_i64(tcg_res[pass], tcg_res[pass], imm6); - } - write_vec_element(s, tcg_res[0], rd, 0, MO_64); - write_vec_element(s, tcg_res[1], rd, 1, MO_64); - - tcg_temp_free_i64(tcg_op1); - tcg_temp_free_i64(tcg_op2); - tcg_temp_free_i64(tcg_res[0]); - tcg_temp_free_i64(tcg_res[1]); + gen_gvec_xar(MO_64, vec_full_reg_offset(s, rd), + vec_full_reg_offset(s, rn), + vec_full_reg_offset(s, rm), imm6, 16, + vec_full_reg_size(s)); } /* Crypto three-reg imm2 |