nv50/ir: fix cas lowering for 64 bit

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6433>
This commit is contained in:
Karol Herbst 2020-03-07 16:55:19 +01:00 committed by Marge Bot
parent d421af3a99
commit d7b65cf7d3
1 changed files with 3 additions and 2 deletions

View File

@ -1734,9 +1734,10 @@ NVC0LoweringPass::handleCasExch(Instruction *cas, bool needCctl)
// happen elsewhere in the universe.
// Also, it sometimes returns the new value instead of the old one
// under mysterious circumstances.
Value *dreg = bld.getSSA(8);
DataType ty = typeOfSize(typeSizeof(cas->dType) * 2);
Value *dreg = bld.getSSA(typeSizeof(ty));
bld.setPosition(cas, false);
bld.mkOp2(OP_MERGE, TYPE_U64, dreg, cas->getSrc(1), cas->getSrc(2));
bld.mkOp2(OP_MERGE, ty, dreg, cas->getSrc(1), cas->getSrc(2));
cas->setSrc(1, dreg);
cas->setSrc(2, dreg);
}