Merge pull request #9700 from marler8997/bootstrapAarch64Windows

changes to build zig-bootstrap aarch64-windows

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/libc/mingw/math/arm-common/scalbn.c b/lib/libc/mingw/math/arm-common/scalbn.c
new file mode 100644
index 0000000000..0e2f14ab7c
--- /dev/null
+++ b/lib/libc/mingw/math/arm-common/scalbn.c
@@ -0,0 +1,45 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+
+#include <math.h>
+
+double scalbn(double x, int exp)
+{
+    return x * exp2(exp);
+}
+
+float scalbnf(float x, int exp)
+{
+    return x * exp2f(exp);
+}
+
+long double scalbnl(long double x, int exp)
+{
+#if defined(__arm__) || defined(_ARM_) || defined(__aarch64__) || defined(_ARM64_)
+    return scalbn(x, exp);
+#else
+#error Not supported on your platform yet
+#endif
+}
+
+double scalbln(double x, long exp)
+{
+    return x * exp2(exp);
+}
+
+float scalblnf(float x, long exp)
+{
+    return x * exp2f(exp);
+}
+
+long double scalblnl(long double x, long exp)
+{
+#if defined(__arm__) || defined(_ARM_) || defined(__aarch64__) || defined(_ARM64_)
+    return scalbln(x, exp);
+#else
+#error Not supported on your platform yet
+#endif
+}