From: Stephen Long Date: Tue, 25 May 2021 01:03:10 +0000 (-0700) Subject: target/arm: Implement SVE2 scatter store insns X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6ebca45faffd697a045f1d54800d00c6f77c5eb9;p=qemu.git target/arm: Implement SVE2 scatter store insns Add decoding logic for SVE2 64-bit/32-bit scatter non-temporal store insns. 64-bit * STNT1B (vector plus scalar) * STNT1H (vector plus scalar) * STNT1W (vector plus scalar) * STNT1D (vector plus scalar) 32-bit * STNT1B (vector plus scalar) * STNT1H (vector plus scalar) * STNT1W (vector plus scalar) Reviewed-by: Peter Maydell Signed-off-by: Stephen Long Signed-off-by: Richard Henderson Message-id: 20210525010358.152808-45-richard.henderson@linaro.org Message-Id: <20200422141553.8037-1-steplong@quicinc.com> Signed-off-by: Richard Henderson Signed-off-by: Peter Maydell --- diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 7645587469..5cfe6df0d2 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1388,3 +1388,13 @@ UMLSLT_zzzw 01000100 .. 0 ..... 010 111 ..... ..... @rda_rn_rm CMLA_zzzz 01000100 esz:2 0 rm:5 0010 rot:2 rn:5 rd:5 ra=%reg_movprfx SQRDCMLAH_zzzz 01000100 esz:2 0 rm:5 0011 rot:2 rn:5 rd:5 ra=%reg_movprfx + +### SVE2 Memory Store Group + +# SVE2 64-bit scatter non-temporal store (vector plus scalar) +STNT1_zprz 1110010 .. 00 ..... 001 ... ..... ..... \ + @rprr_scatter_store xs=2 esz=3 scale=0 + +# SVE2 32-bit scatter non-temporal store (vector plus scalar) +STNT1_zprz 1110010 .. 10 ..... 001 ... ..... ..... \ + @rprr_scatter_store xs=0 esz=2 scale=0 diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index ba39ff84a5..ac43bb02be 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6167,6 +6167,14 @@ static bool trans_ST1_zpiz(DisasContext *s, arg_ST1_zpiz *a) return true; } +static bool trans_STNT1_zprz(DisasContext *s, arg_ST1_zprz *a) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + return trans_ST1_zprz(s, a); +} + /* * Prefetches */