This helps with the PostRALoadPropagation pass moving long immediates into
FMA/MAD instructions.
changes in shader-db:
total instructions in shared programs : 5894114 -> 5886074 (-0.14%)
total gprs used in shared programs : 666558 -> 666563 (0.00%)
total shared used in shared programs : 520416 -> 520416 (0.00%)
total local used in shared programs : 53524 -> 53524 (0.00%)
total bytes used in shared programs : 54006744 -> 53932472 (-0.14%)
local shared gpr inst bytes
helped 0 0 2 4192 4192
hurt 0 0 7 9 9
Signed-off-by: Karol Herbst <karolherbst@gmail.com>
[imirkin: minor edits to separate nv50 and nvc0+ cases]
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
63572091b5