feat(core): add JIT support for aarch64#6758
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bluestreak01 merged 6 commits intomasterfrom Feb 9, 2026
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RaphDal
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bluestreak01
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Feb 9, 2026
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[PR Coverage check]😍 pass : 30 / 30 (100.00%) file detail
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puzpuzpuz
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@RaphDal really cool patch. Great job! |
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This pull request adds support for ARM64 (AArch64) architecture to the JIT compiler, enabling QuestDB's JIT code generation to run natively on ARM64 systems in addition to x86. The changes introduce ARM64-specific implementations for register handling, caches, and code generation, while maintaining compatibility with the existing x86 logic. Conditional compilation is used throughout to select the appropriate architecture at build time.
Architecture support and conditional compilation:
common.handcompiler.cppto select between ARM64 (aarch64.h) and x86 (x86.h,avx2.h) headers and implementations. This ensures the codebase can be built and run on both architectures. [1] [2]ARM64-specific JIT code generation:
FunctionandCountOnlyFunctionstructs incompiler.cpp, including methods for code generation, register setup, and loop logic. These mirror the x86 implementations but use ARM64 instructions and register types. [1] [2]Register and cache handling for ARM64:
common.hforjit_value_t,ColumnAddressCache,ConstantCache, andColumnValueCache, including methods for handling ARM64 registers and values, and appropriate storage for ARM64 register types. [1] [2] [3] [4]Maintaining x86 compatibility:
#elseblocks and ensuring all caches and register handling remain unchanged for x86 builds. [1] [2] [3] [4]Benchmark setup update:
SqlJitCompilerScalarBenchmark.javato ensure the execution context is properly initialized for the new architecture support.Performance improvements
SqlJitCompilerScalarBenchmarkran on an Apple M5.