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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Used by FMLA and DOT, but will shortly be used more. Split FMLA from FMLS to avoid an extra sub field; similarly for SDOT from UDOT. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/sve.decode | 29 +++++++++++++++++++---------- target/arm/translate-sve.c | 38 ++++++++++++++++++++++++++++---------- 2 files changed, 47 insertions(+), 20 deletions(-) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index a504b55dad..74ac72bdbd 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -73,6 +73,7 @@ &rprr_s rd pg rn rm s &rprr_esz rd pg rn rm esz &rrrr_esz rd ra rn rm esz +&rrxr_esz rd rn rm ra index esz &rprrr_esz rd pg rn rm ra esz &rpri_esz rd pg rn imm esz &ptrue rd esz pat s @@ -252,6 +253,14 @@ @rrx_2 ........ .. . index:2 rm:3 ...... rn:5 rd:5 &rrx_esz @rrx_1 ........ .. . index:1 rm:4 ...... rn:5 rd:5 &rrx_esz =20 +# Three registers and a scalar by N-bit index +@rrxr_3 ........ .. . .. rm:3 ...... rn:5 rd:5 \ + &rrxr_esz ra=3D%reg_movprfx index=3D%index3_22_19 +@rrxr_2 ........ .. . index:2 rm:3 ...... rn:5 rd:5 \ + &rrxr_esz ra=3D%reg_movprfx +@rrxr_1 ........ .. . index:1 rm:4 ...... rn:5 rd:5 \ + &rrxr_esz ra=3D%reg_movprfx + ########################################################################### # Instruction patterns. Grouped according to the SVE encodingindex.xhtml. =20 @@ -767,10 +776,10 @@ DOT_zzzz 01000100 1 sz:1 0 rm:5 00000 u:1 rn:5= rd:5 \ ra=3D%reg_movprfx =20 # SVE integer dot product (indexed) -DOT_zzxw 01000100 101 index:2 rm:3 00000 u:1 rn:5 rd:5 \ - sz=3D0 ra=3D%reg_movprfx -DOT_zzxw 01000100 111 index:1 rm:4 00000 u:1 rn:5 rd:5 \ - sz=3D1 ra=3D%reg_movprfx +SDOT_zzxw_s 01000100 10 1 ..... 000000 ..... ..... @rrxr_2 esz=3D2 +SDOT_zzxw_d 01000100 11 1 ..... 000000 ..... ..... @rrxr_1 esz=3D3 +UDOT_zzxw_s 01000100 10 1 ..... 000001 ..... ..... @rrxr_2 esz=3D2 +UDOT_zzxw_d 01000100 11 1 ..... 000001 ..... ..... @rrxr_1 esz=3D3 =20 # SVE floating-point complex add (predicated) FCADD 01100100 esz:2 00000 rot:1 100 pg:3 rm:5 rd:5 \ @@ -789,12 +798,12 @@ FCMLA_zzxz 01100100 11 1 index:1 rm:4 0001 rot:2= rn:5 rd:5 \ ### SVE FP Multiply-Add Indexed Group =20 # SVE floating-point multiply-add (indexed) -FMLA_zzxz 01100100 0.1 .. rm:3 00000 sub:1 rn:5 rd:5 \ - ra=3D%reg_movprfx index=3D%index3_22_19 esz=3D1 -FMLA_zzxz 01100100 101 index:2 rm:3 00000 sub:1 rn:5 rd:5 \ - ra=3D%reg_movprfx esz=3D2 -FMLA_zzxz 01100100 111 index:1 rm:4 00000 sub:1 rn:5 rd:5 \ - ra=3D%reg_movprfx esz=3D3 +FMLA_zzxz 01100100 0. 1 ..... 000000 ..... ..... @rrxr_3 esz=3D1 +FMLA_zzxz 01100100 10 1 ..... 000000 ..... ..... @rrxr_2 esz=3D2 +FMLA_zzxz 01100100 11 1 ..... 000000 ..... ..... @rrxr_1 esz=3D3 +FMLS_zzxz 01100100 0. 1 ..... 000001 ..... ..... @rrxr_3 esz=3D1 +FMLS_zzxz 01100100 10 1 ..... 000001 ..... ..... @rrxr_2 esz=3D2 +FMLS_zzxz 01100100 11 1 ..... 000001 ..... ..... @rrxr_1 esz=3D3 =20 ### SVE FP Multiply Indexed Group =20 diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 17789ce173..bb0cffa3d9 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3813,26 +3813,34 @@ static bool trans_DOT_zzzz(DisasContext *s, arg_DOT= _zzzz *a) return true; } =20 -static bool trans_DOT_zzxw(DisasContext *s, arg_DOT_zzxw *a) +static bool do_zzxz_ool(DisasContext *s, arg_rrxr_esz *a, + gen_helper_gvec_4 *fn) { - static gen_helper_gvec_4 * const fns[2][2] =3D { - { gen_helper_gvec_sdot_idx_b, gen_helper_gvec_sdot_idx_h }, - { gen_helper_gvec_udot_idx_b, gen_helper_gvec_udot_idx_h } - }; - + if (fn =3D=3D NULL) { + return false; + } if (sve_access_check(s)) { - gen_gvec_ool_zzzz(s, fns[a->u][a->sz], a->rd, a->rn, a->rm, - a->ra, a->index); + gen_gvec_ool_zzzz(s, fn, a->rd, a->rn, a->rm, a->ra, a->index); } return true; } =20 +#define DO_RRXR(NAME, FUNC) \ + static bool NAME(DisasContext *s, arg_rrxr_esz *a) \ + { return do_zzxz_ool(s, a, FUNC); } + +DO_RRXR(trans_SDOT_zzxw_s, gen_helper_gvec_sdot_idx_b) +DO_RRXR(trans_SDOT_zzxw_d, gen_helper_gvec_sdot_idx_h) +DO_RRXR(trans_UDOT_zzxw_s, gen_helper_gvec_udot_idx_b) +DO_RRXR(trans_UDOT_zzxw_d, gen_helper_gvec_udot_idx_h) + +#undef DO_RRXR =20 /* *** SVE Floating Point Multiply-Add Indexed Group */ =20 -static bool trans_FMLA_zzxz(DisasContext *s, arg_FMLA_zzxz *a) +static bool do_FMLA_zzxz(DisasContext *s, arg_rrxr_esz *a, bool sub) { static gen_helper_gvec_4_ptr * const fns[3] =3D { gen_helper_gvec_fmla_idx_h, @@ -3847,13 +3855,23 @@ static bool trans_FMLA_zzxz(DisasContext *s, arg_FM= LA_zzxz *a) vec_full_reg_offset(s, a->rn), vec_full_reg_offset(s, a->rm), vec_full_reg_offset(s, a->ra), - status, vsz, vsz, (a->index << 1) | a->sub, + status, vsz, vsz, (a->index << 1) | sub, fns[a->esz - 1]); tcg_temp_free_ptr(status); } return true; } =20 +static bool trans_FMLA_zzxz(DisasContext *s, arg_FMLA_zzxz *a) +{ + return do_FMLA_zzxz(s, a, false); +} + +static bool trans_FMLS_zzxz(DisasContext *s, arg_FMLA_zzxz *a) +{ + return do_FMLA_zzxz(s, a, true); +} + /* *** SVE Floating Point Multiply Indexed Group */ --=20 2.25.1