On Sat, 18 Apr 2020, William Tambe via Gcc-help wrote:
In the machine description file, is there a way to tell GCC that a memory load instruction already zero-extend such that it does not try to apply zero-extension ?
I would look at it the other way around: you can tell GCC what asm to generate for a zero_extend with a memory operand. Or did you have a specific example in mind?
-- Marc Glisse
