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f38df04c3a
with copies, leading to code like this:
lwz r4, 380(r1)
or r10, r4, r4 ;; Last use of r4
By teaching the PPC backend how to fold spills into copies, we now get this
code:
lwz r10, 380(r1)
wow. :)
This reduces a testcase nate sent me from 1505 instructions to 1484.
Note that this could handle FP values but doesn't currently, for reasons
mentioned in the patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23298 91177308-0d34-0410-b5e6-96231b3b80d8
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| .. | ||
| Alpha | ||
| CBackend | ||
| IA64 | ||
| PowerPC | ||
| Skeleton | ||
| Sparc | ||
| SparcV8 | ||
| SparcV9 | ||
| X86 | ||
| Makefile | ||
| MRegisterInfo.cpp | ||
| SubtargetFeature.cpp | ||
| Target.td | ||
| TargetData.cpp | ||
| TargetFrameInfo.cpp | ||
| TargetInstrInfo.cpp | ||
| TargetMachine.cpp | ||
| TargetMachineRegistry.cpp | ||
| TargetSchedInfo.cpp | ||
| TargetSubtarget.cpp | ||