aco: use p_create_vector for nir_op_pack_half_2x16
This enables the use of SDWA if possible
Totals from 2218 (1.62% of 136546) affected shaders (RAVEN):
VGPRs: 68508 -> 68516 (+0.01%)
CodeSize: 4897024 -> 4881068 (-0.33%); split: -0.33%, +0.00%
MaxWaves: 18992 -> 18990 (-0.01%)
Instrs: 946942 -> 939161 (-0.82%); split: -0.82%, +0.00%
Cycles: 8737668 -> 8705704 (-0.37%); split: -0.37%, +0.00%
VMEM: 1155362 -> 1145245 (-0.88%); split: +0.00%, -0.88%
SMEM: 170435 -> 170165 (-0.16%); split: +0.01%, -0.16%
VClause: 18426 -> 18425 (-0.01%)
SClause: 41376 -> 41375 (-0.00%)
Copies: 59813 -> 59787 (-0.04%); split: -0.15%, +0.10%
PreVGPRs: 56126 -> 56136 (+0.02%)
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6777>
1 file changed