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broadcom/compiler: add missing signal compatibilities for V3D 7.x

Iago Toral requested to merge itoral/mesa:v3d_pi5_sigmap into main

What does this MR do and why?

broadcom/compiler: add missing signal compatibilities for V3D 7.x

total instructions in shared programs: 11281777 -> 11246706 (-0.31%)
instructions in affected programs: 2230213 -> 2195142 (-1.57%)
helped: 11830
HURT: 487
Instructions are helped.

total max-temps in shared programs: 2226424 -> 2225398 (-0.05%)
max-temps in affected programs: 16833 -> 15807 (-6.10%)
helped: 722
HURT: 23
Max-temps are helped.

total sfu-stalls in shared programs: 14894 -> 14977 (0.56%)
sfu-stalls in affected programs: 138 -> 221 (60.14%)
helped: 30
HURT: 112
Inconclusive result (%-change mean confidence interval includes 0).

total inst-and-stalls in shared programs: 11296671 -> 11261683 (-0.31%)
inst-and-stalls in affected programs: 2230218 -> 2195230 (-1.57%)
helped: 11796
HURT: 495
Inst-and-stalls are helped.

total nops in shared programs: 270280 -> 270622 (0.13%)
nops in affected programs: 6492 -> 6834 (5.27%)
helped: 145
HURT: 349
Nops are HURT.

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