5a15b36a64
This change enforces stricter swizzle behavior for the virtual scalar x register, addressing a regression encountered in piglit's spec@glsl-1.10@execution@derivatives@glsl-derivs-abs-sign test. The regression occurred after switching to derivative intrinsics. CC: mesa-stable Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com> Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31034>