[Mesa-dev] [PATCH v3 09/29] glsl/ir: Add builtin function support for doubles

[Matt Turner]

On Sun, Feb 8, 2015 at 1:00 AM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> @@ -886,6 +953,25 @@ ir_constant::get_float_component(unsigned i) const
>     case GLSL_TYPE_INT:   return (float) this->value.i[i];
>     case GLSL_TYPE_FLOAT: return this->value.f[i];
>     case GLSL_TYPE_BOOL:  return this->value.b[i] ? 1.0f : 0.0f;
> +   case GLSL_TYPE_DOUBLE: return (float) this->value.d[i];
> +   default:              assert(!"Should not get here."); break;
> +   }
> +
> +   /* Must return something to make the compiler happy.  This is clearly an
> +    * error case.
> +    */
> +   return 0.0;

Use unreachable() here.