On 19/07/16 16:30, Wilco Dijkstra wrote:
> This patchset improves zero extend costs and code generation.
>
> When zero extending a 32-bit register, we emit a "mov", but currently
> report the cost of the "mov" incorrectly.
>
> In terms of speed, we currently say the cost is that of an extend
> op
This patchset improves zero extend costs and code generation.
When zero extending a 32-bit register, we emit a "mov", but currently
report the cost of the "mov" incorrectly.
In terms of speed, we currently say the cost is that of an extend
operation. But the cost of a "mov" is the cost of 1 instr
