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AMDGPU: Don't rely on m0 being -1 for GWS offsets

Authored by arsenm on Jul 19 2019, 1:01 PM.

Description

AMDGPU: Don't rely on m0 being -1 for GWS offsets

This only works if the high bits of m0 are also 0, so m0 would have to
be set to 0xffff.

llvm-svn: 366608

Details

Committed
arsenmJul 19 2019, 1:01 PM
Parents
rG85f38901266a: AMDGPU: Force s_waitcnt after GWS instructions
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