14 Dec
2013
14 Dec
'13
11:38 p.m.
https://bugs.freedesktop.org/show_bug.cgi?id=72680
--- Comment #4 from Vadim Girlin ptpzz@yandex.ru --- That assert in sb_bc_parser means that it can't find corresponding instruction in the previous group for PV/PS. E.g.:
0648 801fa00b 61007210 78 t: LSHL_INT R8.w, R11.x, [0x0000001f 0].x 0650 0000001f 0652 801facfe 61007010 79 t: ASHR_INT R8.w, PV.w, [0x0000001f 0].x 0654 0000001f
Group 79 uses PV.w, but group 78 has nothing in W slot. LLVM backend produces incorrect code in this case.
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