[libre-riscv-dev] [Bug 186] Create decoder for SOC

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=186

--- Comment #17 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #14)

> // what I think SimpleV should be defined to do

(... it's not)

> void load1(int address_reg, int dest_reg, int N)
> {
>     int address = regs[address_reg];
>     for(int i = 0; i < N; i++)
>         regs[dest_reg + i] = *(int *)(address + sizeof(int) * i);
> }
> 
> // what SimpleV is currently defined to do

(... it's not)

> void load2(int address_reg, int dest_reg, int N)
> {
>     for(int i = 0; i < N; i++)
>         regs[dest_reg + i] = *(int *)(regs[address_reg] + sizeof(int) * i);
> }

it has support for both.  the first is called 'indirect mode', the
second is 'stride mode'.

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