wazevo(regalloc): set reg usage flag in swaps (#1842)

Signed-off-by: Takeshi Yoneda <t.y.mathetake@gmail.com>
2023-11-20 14:52:08 +09:00
parent f673e817cd
commit 4f6d214332
1 changed files with 1 additions and 0 deletions
--- a/internal/engine/wazevo/backend/regalloc/regalloc.go
+++ b/internal/engine/wazevo/backend/regalloc/regalloc.go
@@ -838,6 +838,7 @@ func (a *Allocator) reconcileEdge(f Function,
 			freeReg,
 			pred,
 		)
+		s.allocatedRegSet = s.allocatedRegSet.add(freeReg.RealReg())
 		currentOccupantsRev[desiredVReg] = r
 		currentOccupantsRev[currentVReg] = er
 		currentOccupants.add(r, desiredVReg)