Re: [PATCH 19/31] VAX: Add the `movmemhi' instruction

2020-11-20 Thread Jeff Law via Gcc-patches
On 11/19/20 8:35 PM, Maciej W. Rozycki wrote: > The MOVC3 machine instruction has `memmove' semantics[1]: > > "The operation of the instruction is such that overlap of the source and > destination strings does not affect the result." > > so use it to provide the `movmemhi' instruction as well. >

[PATCH 19/31] VAX: Add the `movmemhi' instruction

2020-11-19 Thread Maciej W. Rozycki
The MOVC3 machine instruction has `memmove' semantics[1]: "The operation of the instruction is such that overlap of the source and destination strings does not affect the result." so use it to provide the `movmemhi' instruction as well. References: [1] DEC STD 032-0 "VAX Architecture Standard",