On 05/03/2018 07:14 AM, Peter Maydell wrote: >> + /* The tcg atomic primitives are all full barriers. Therefore we >> + * can ignore the Acquire and Release bits of this instruction. >> + */ >> + fn(cpu_reg(s, rt), tcg_rn, tcg_rs, get_mem_index(s), >> + s->be_data | size | MO_ALIGN); > > Does this definitely do the arithmetic operation at the datatype > size and not the _i64 size ? (It makes a difference for example > with LDEORB if Rs has high bits set: the result should always > have [31:8] zero.)
Yes. Also recall that this returns the original data not the result of the expression. r~
