[committed] amdgcn: TImode shifts
Tue Aug 4 14:59:13 GMT 2020
This patch implements scalar TImode shifts using hardware DImode shifts.
The middle-end cannot synthesize these because BITS_PER_WORD is 32, on
this architecture, meaning it would try to use SImode shifts, and only
double-word shifts are implemented.
This fixes a large number of test failures, caused by the need to enable
TImode to support libgomp.
TImode multiply and divide remain unimplemented.
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