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ARM64: Optimize pair of "ldr reg, [reg]" to ldp #35132
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arch-arm64area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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on Apr 17, 2020 CollaboratorMore actionsI couldn't figure out the best area label to add to this issue. Please help me learn by adding exactly one area label.
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on Apr 17, 2020 - addedarea-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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arch-arm64area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
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can be combined into
ldpif the loads are happening from subsequent memory.I collected no. of such
ldrpairs in framework libraries and found approx. 5900 pairs in 3500 methods.Details:
ldr_ldr_x_to_ldp.txt
category:cq
theme:optimization
skill-level:intermediate
cost:small
impact:medium