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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-05-18 17:48:09 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-05-18 17:48:09 +0100 |
| commit | 96f922ccccb08c7725c1276ac87697f5dff69edf (patch) | |
| tree | 183c88ba082c637f48741b7ae8e1d2cc5fcb4fab | |
| parent | 9a56c9c3a955b77fe436beef7ac03c76a65fa32d (diff) | |
target/arm: Implement SVE Stack Allocation Group
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180516223007.10256-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/sve.decode | 12 | ||||
| -rw-r--r-- | target/arm/translate-sve.c | 27 |
2 files changed, 39 insertions, 0 deletions
diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 4f9f64f5ab..9d5c061165 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -84,6 +84,9 @@ # One register operand, with governing predicate, vector element size @rd_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 &rpr_esz +# Two register operands with a 6-bit signed immediate. +@rd_rn_i6 ........ ... rn:5 ..... imm:s6 rd:5 &rri + # Two register operand, one immediate operand, with predicate, # element size encoded as TSZHL. User must fill in imm. @rdn_pg_tszimm ........ .. ... ... ... pg:3 ..... rd:5 \ @@ -238,6 +241,15 @@ INDEX_ri 00000100 esz:2 1 imm:s5 010001 rn:5 rd:5 # SVE index generation (register start, register increment) INDEX_rr 00000100 .. 1 ..... 010011 ..... ..... @rd_rn_rm +### SVE Stack Allocation Group + +# SVE stack frame adjustment +ADDVL 00000100 001 ..... 01010 ...... ..... @rd_rn_i6 +ADDPL 00000100 011 ..... 01010 ...... ..... @rd_rn_i6 + +# SVE stack frame size +RDVL 00000100 101 11111 01010 imm:s6 rd:5 + ### SVE Predicate Logical Operations Group # SVE predicate logical operations diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index e3a8e9506e..f95efa3c72 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -782,6 +782,33 @@ static bool trans_INDEX_rr(DisasContext *s, arg_INDEX_rr *a, uint32_t insn) } /* + *** SVE Stack Allocation Group + */ + +static bool trans_ADDVL(DisasContext *s, arg_ADDVL *a, uint32_t insn) +{ + TCGv_i64 rd = cpu_reg_sp(s, a->rd); + TCGv_i64 rn = cpu_reg_sp(s, a->rn); + tcg_gen_addi_i64(rd, rn, a->imm * vec_full_reg_size(s)); + return true; +} + +static bool trans_ADDPL(DisasContext *s, arg_ADDPL *a, uint32_t insn) +{ + TCGv_i64 rd = cpu_reg_sp(s, a->rd); + TCGv_i64 rn = cpu_reg_sp(s, a->rn); + tcg_gen_addi_i64(rd, rn, a->imm * pred_full_reg_size(s)); + return true; +} + +static bool trans_RDVL(DisasContext *s, arg_RDVL *a, uint32_t insn) +{ + TCGv_i64 reg = cpu_reg(s, a->rd); + tcg_gen_movi_i64(reg, a->imm * vec_full_reg_size(s)); + return true; +} + +/* *** SVE Predicate Logical Operations Group */ |