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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=199.106.114.38; envelope-from=steplong@quicinc.com; helo=alexa-out-sd-01.qualcomm.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/22 10:15:36 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Received-From: 199.106.114.38 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, richard.henderson@linaro.org, apazos@quicinc.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @qualcomm.onmicrosoft.com) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add decoding logic for SVE2 64-bit/32-bit gather non-temporal load insns. 64-bit * LDNT1SB * LDNT1B (vector plus scalar) * LDNT1SH * LDNT1H (vector plus scalar) * LDNT1SW * LDNT1W (vector plus scalar) * LDNT1D (vector plus scalar) 32-bit * LDNT1SB * LDNT1B (vector plus scalar) * LDNT1SH * LDNT1H (vector plus scalar) * LDNT1W (vector plus scalar) Signed-off-by: Stephen Long I'm not sure I'm initializing xs correctly. This also goes for the scatter store insns in the previous patch. --- target/arm/sve.decode | 11 +++++++++++ target/arm/translate-sve.c | 8 ++++++++ 2 files changed, 19 insertions(+) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index ef5dd281a6..d7799746ab 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1388,6 +1388,17 @@ SQRDCMLAH_zzzz 01000100 esz:2 0 rm:5 0011 rot:2 rn:= 5 rd:5 ra=3D%reg_movprfx =20 FMMLA 01100100 .. 1 ..... 111001 ..... ..... @rda_rn_rm =20 +### SVE2 Memory Gather Load Group + +# SVE2 64-bit gather non-temporal load +# (scalar plus unpacked 32-bit unscaled offsets) +LDNT1_zprz 1100010 msz:2 00 rm:5 1 u:1 0 pg:3 rn:5 rd:5 \ + &rprr_gather_load xs=3D0 esz=3D3 scale=3D0 ff=3D0 + +# SVE2 32-bit gather non-temporal load (scalar plus 32-bit unscaled offset= s) +LDNT1_zprz 1000010 msz:2 00 rm:5 10 u:1 pg:3 rn:5 rd:5 \ + &rprr_gather_load xs=3D0 esz=3D2 scale=3D0 ff=3D0 + ### SVE2 Memory Store Group =20 # SVE2 64-bit scatter non-temporal store (vector plus scalar) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 4873e25182..bdabb89e82 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -5886,6 +5886,14 @@ static bool trans_LD1_zpiz(DisasContext *s, arg_LD1_= zpiz *a) return true; } =20 +static bool trans_LDNT1_zprz(DisasContext *s, arg_LD1_zprz *a) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + return trans_LDNT1_zprz(s, a); +} + /* Indexed by [mte][be][xs][msz]. */ static gen_helper_gvec_mem_scatter * const scatter_store_fn32[2][2][2][3] = =3D { { /* MTE Inactive */ --=20 2.17.1