aco: shrink buffer stores with undef/zero components
Buffer stores store 0 like image stores for unspecified components.
Foz-DB Navi21:
Totals from 91 (0.11% of 79330) affected shaders:
Instrs: 63327 -> 63121 (-0.33%)
CodeSize: 315312 -> 314440 (-0.28%); split: -0.28%, +0.00%
VGPRs: 3144 -> 3120 (-0.76%)
Latency: 441424 -> 441300 (-0.03%); split: -0.03%, +0.00%
InvThroughput: 65501 -> 65130 (-0.57%)
Copies: 6197 -> 5999 (-3.20%)
PreVGPRs: 2197 -> 2182 (-0.68%)
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26897>
1 file changed
