pan/bi: Make sure we don't print special index as a register

index can have both a SPECIAL flag and PAN_IS_REG (bit 0) set, but we
shouln't treat the index as a register in that case. Let's bail out
early in bi_print_dest_index() when we're passed a special index
that's not a register.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7206>
1 file changed