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GH-113657: Add back missing _SET_IP uops in tier two (GH-113662)
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@ -0,0 +1,2 @@
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Fix an issue that caused important instruction pointer updates to be
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optimized out of tier two traces.
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@ -4,6 +4,7 @@
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#include "pycore_opcode_metadata.h"
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#include "pycore_opcode_utils.h"
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#include "pycore_pystate.h" // _PyInterpreterState_GET()
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#include "pycore_uop_metadata.h"
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#include "pycore_uops.h"
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#include "pycore_long.h"
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#include "cpython/optimizer.h"
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@ -35,13 +36,13 @@ remove_unneeded_uops(_PyUOpInstruction *buffer, int buffer_size)
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break;
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}
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else {
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if (OPCODE_HAS_ESCAPES(opcode)) {
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if (_PyUop_Flags[opcode] & HAS_ESCAPES_FLAG) {
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maybe_invalid = true;
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if (last_set_ip >= 0) {
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buffer[last_set_ip].opcode = _SET_IP;
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}
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}
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if (OPCODE_HAS_ERROR(opcode) || opcode == _PUSH_FRAME) {
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if ((_PyUop_Flags[opcode] & HAS_ERROR_FLAG) || opcode == _PUSH_FRAME) {
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if (last_set_ip >= 0) {
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buffer[last_set_ip].opcode = _SET_IP;
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}
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