On Wed, Oct 9, 2013 at 3:35 AM, Eric Anholt wrote:
> Chia-I Wu writes:
>
>> From: Chia-I Wu
>>
>> FS_OPCODE_OVERWRITE_DST is used to indicate that the destination register is
>> (completely) overwritten. No code is emitted, but the liveness analysis can
>> use it as a hint to add the destinatio
Chia-I Wu writes:
> From: Chia-I Wu
>
> FS_OPCODE_OVERWRITE_DST is used to indicate that the destination register is
> (completely) overwritten. No code is emitted, but the liveness analysis can
> use it as a hint to add the destination register to DEF bitset. This is
> needed because it is ha
From: Chia-I Wu
FS_OPCODE_OVERWRITE_DST is used to indicate that the destination register is
(completely) overwritten. No code is emitted, but the liveness analysis can
use it as a hint to add the destination register to DEF bitset. This is
needed because it is hard to figure out if some partia