[PATCH] D26291: [AArch64] Spill instructions w/o immediate field may require an emergency spill slot
Sanjin Sijaric via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 3 16:21:23 PDT 2016
ssijaric created this revision.
ssijaric added reviewers: mcrosier, t.p.northover, jmolloy.
ssijaric added a subscriber: llvm-commits.
ssijaric set the repository for this revision to rL LLVM.
Herald added subscribers: qcolombet, rengolin, aemerson.
Make sure to create an emergency spill slot if we are spilling or reloading with instructions that have no immediate field. Since we need to scavenge a spare register to hold the stack address, we currently assert if there is no spare register and no emergency spill slot to which to spill an existing register.
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