[Mesa-dev] [PATCH 1/4] glsl: Implement [iu]mulExtended() built-ins for ARB_gpu_shader5.

[Matt Turner]

On Thu, Sep 26, 2013 at 3:00 PM, Matt Turner <mattst88 at gmail.com> wrote:
> These built-ins have two "out" parameters, which makes implementing them
> efficiently with our current compiler infrastructure difficult. Instead,
> implement them in terms of the existing ir_binop_mul IR (to return the
> low 32-bits) and a new ir_binop_mul64 which returns the high 32-bits.
>
> v2: Rename mul64 -> imul_high as suggested by Ken.

Forgot to fold in Ken's R-b.