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Using LDP/STP when accessing m_ppc_state lets us load/store two registers at once. We previously opportunistically used STP, but this new analysis lets us move loads earlier and move stores later to make use of LDP/STP in more situations. This reduces code size and time spent on m_ppc_state accesses, possibly with exceptions when under heavy register pressure. This commit adds the new bitsets load_pairs and store_pairs to BlockRegStats, which indicate which registers should be treated as a pair when loading and storing to m_ppc_state. The commits after this one will add code that reads these bitsets to determine when to use LDP/STP. x64 doesn't have instructions that can load/store a pair of registers, so the new PPCAnalyst code is ifdef'd for AArch64. |
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| .. | ||
| DSP | ||
| IOS | ||
| PowerPC | ||
| CMakeLists.txt | ||
| CoreTimingTest.cpp | ||
| MMIOTest.cpp | ||
| PageFaultTest.cpp | ||
| PatchAllowlistTest.cpp | ||
| StubJit.h | ||