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vreg30
2016 Mar 10
2
Greedy register allocator allocates live sub-register
Hi all,
I've come across a problem with register allocation which I have been
unable to track down the root cause of.
6728B %vreg304<def> = COPY %vreg278; VRF128:%vreg304,%vreg278
6736B %vreg302<def> = COPY %vreg278; VRF128:%vreg302,%vreg278
6752B %vreg278<def,tied1> = foo %vreg278<tied0>, %vreg277, 14, pred:1,
pred:%noreg, 5; VRF128:%vreg278 VRF64_l:%vreg277
* bar 30, %vreg278; VRF128:%vreg278
6760B %vreg302<def,tied1> = foo %vreg302<tied0>, %vreg270, 14, pr...