bpo-37236: pragma optimize off for _Py_c_quot on Windows arm64 (GH-13983)

ff6bb0aa · Paul Monson · Steve Dower · daf62627 · ff6bb0aa
Commit ff6bb0aa authored Jun 12, 2019 by Paul Monson Committed by Steve Dower Jun 12, 2019
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Objects/complexobject.c Objects/complexobject.c +7 -0

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--- a/Objects/complexobject.c
+++ b/Objects/complexobject.c
@@ -55,6 +55,10 @@ _Py_c_prod(Py_complex a, Py_complex b)
    return r;
 }

+/* Avoid bad optimization on Windows ARM64 until the compiler is fixed */
+#ifdef _M_ARM64
+#pragma optimize("", off)
+#endif
 Py_complex
 _Py_c_quot(Py_complex a, Py_complex b)
 {
@@ -112,6 +116,9 @@ _Py_c_quot(Py_complex a, Py_complex b)
    }
    return r;
 }
+#ifdef _M_ARM64
+#pragma optimize("", on)
+#endif

 Py_complex
 _Py_c_pow(Py_complex a, Py_complex b)