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GH-135379: Top of stack caching for the JIT. #135465

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Merged
markshannon merged 3 commits into from
Dec 11, 2025
Merged

GH-135379: Top of stack caching for the JIT. #135465

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4fec38d
Tier 2 TOS caching
markshannon Dec 5, 2025
4b24c15
Merge branch 'main' into tier-2-tos-caching
markshannon Dec 10, 2025
a54eca7
Merge branch 'main' into tier-2-tos-caching
markshannon Dec 11, 2025
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Merge branch 'main' into tier-2-tos-caching
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@markshannon
markshannon committed Dec 10, 2025
commit 4b24c155d7d34eee88267e7e3c6bfdc600cc5ad6
1 change: 1 addition & 0 deletions Python/jit.c
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Expand Up @@ -639,6 +639,7 @@ _PyJIT_Compile(_PyExecutorObject *executor, const _PyUOpInstruction trace[], siz
state.trampolines.mem = memory + code_size;
unsigned char *data = memory + code_size + state.trampolines.size + code_padding;
assert(trace[0].opcode == _START_EXECUTOR_r00 || trace[0].opcode == _COLD_EXIT_r00 || trace[0].opcode == _COLD_DYNAMIC_EXIT_r00);
state.got_symbols.mem = data + data_size;
for (size_t i = 0; i < length; i++) {
const _PyUOpInstruction *instruction = &trace[i];
group = &stencil_groups[instruction->opcode];
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