From: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Date: Tue, 28 Oct 2025 00:12:59 +0000 (+0000)
Subject: fix backoff counters
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01c2d73dff3c9936d76d87454bc67af8559440b9;p=thirdparty%2FPython%2Fcpython.git

fix backoff counters
---

diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index b3977e5613b4..96772a772f24 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -2956,6 +2956,7 @@ dummy_func(
             if (!IS_JIT_TRACING() && backoff_counter_triggers(counter) &&
                 this_instr->op.code == JUMP_BACKWARD_JIT &&
                 next_instr->op.code != ENTER_EXECUTOR) {
+                this_instr[1].counter = restart_backoff_counter(counter);
                 if (tstate->interp->jit_state.code_buffer == NULL) {
                     tstate->interp->jit_state.code_buffer = (_PyUOpInstruction *)_PyObject_VirtualAlloc(UOP_BUFFER_SIZE);
                     if (tstate->interp->jit_state.code_buffer == NULL) {
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index b97f4987c80f..7daab9556e74 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -7682,6 +7682,7 @@
                 if (!IS_JIT_TRACING() && backoff_counter_triggers(counter) &&
                     this_instr->op.code == JUMP_BACKWARD_JIT &&
                     next_instr->op.code != ENTER_EXECUTOR) {
+                    this_instr[1].counter = restart_backoff_counter(counter);
                     if (tstate->interp->jit_state.code_buffer == NULL) {
                         _PyFrame_SetStackPointer(frame, stack_pointer);
                         tstate->interp->jit_state.code_buffer = (_PyUOpInstruction *)_PyObject_VirtualAlloc(UOP_BUFFER_SIZE);