DynamoRIO / DynamoRIO/dynamorio
improve drx_insert_counter_update perf on ARM
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OpSys-ARM
Performance
Type-Feature
- Dominant language
- C
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Description
For ARM where we need 2 scratch regs in order to increment an in-memory counter, drx_insert_counter_update() today is blindly spilling the regs. This issue covers picking dead regs, if possible. There is some overlap with drreg (#511).
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