Re: [Mesa-dev] [PATCH] i965/vec4: check writemask when bailing out at register coalesce

2015-09-11 Thread Matt Turner
On Fri, Sep 11, 2015 at 5:18 AM, Alejandro Piñeiro wrote: > opt_register_coalesce stopped to check previous instructions to > coalesce with if somebody else was writing on the same > destination. This can be optimized to check if somebody else was > writing to the same channels of the same destina

[Mesa-dev] [PATCH] i965/vec4: check writemask when bailing out at register coalesce

2015-09-11 Thread Alejandro Piñeiro
opt_register_coalesce stopped to check previous instructions to coalesce with if somebody else was writing on the same destination. This can be optimized to check if somebody else was writing to the same channels of the same destination using the writemask. Shader DB results (taking into account o