Re: [PATCH v2 20/28] target/arm: Implement new v8.1M VLLDM and VLSTM encodings

2020-12-01 Thread Richard Henderson
On 11/19/20 3:56 PM, Peter Maydell wrote: > v8.1M adds new encodings of VLLDM and VLSTM (where bit 7 is set). > The only difference is that: > * the old T1 encodings UNDEF if the implementation implements 32 >Dregs (this is currently architecturally impossible for M-profile) > * the new T2

[PATCH v2 20/28] target/arm: Implement new v8.1M VLLDM and VLSTM encodings

2020-11-19 Thread Peter Maydell
v8.1M adds new encodings of VLLDM and VLSTM (where bit 7 is set). The only difference is that: * the old T1 encodings UNDEF if the implementation implements 32 Dregs (this is currently architecturally impossible for M-profile) * the new T2 encodings have the implementation-defined option to