Steve Ellcey writes:
> On Tue, 2013-07-09 at 18:25 +0100, Richard Sandiford wrote:
>> That was always the case though. These registers weren't enabled because
>> you can do operations on them. They were enabled because they should make
>> ideal spill space. Moves to and from these registers alw
On Tue, 2013-07-09 at 18:25 +0100, Richard Sandiford wrote:
>
> That was always the case though. These registers weren't enabled because
> you can do operations on them. They were enabled because they should make
> ideal spill space. Moves to and from these registers always take 2 bytes,
> whe
"Steve Ellcey " writes:
> While doing some size measurements and optimization I found that using the
> t0 through t7 registers on MIPS in MIPS16 mode resulted in larger code. This
> is because you cannot actually do any operations on these registers in MIPS16
> mode but can only move data to or
On 07/09/2013 09:29 AM, Steve Ellcey wrote:
> + /* In MIPS16 mode using the $t registers for reload results in code
> + that is larger (and slightly faster) then if we do not use them so
> + if optimizing for size, do not use them. */
> + if (optimize_size)
> + {
> +
