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-rw-r--r--lib/libc/arm/softfloat/arm-gcc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libc/arm/softfloat/arm-gcc.h b/lib/libc/arm/softfloat/arm-gcc.h
index 1204108..15bc509 100644
--- a/lib/libc/arm/softfloat/arm-gcc.h
+++ b/lib/libc/arm/softfloat/arm-gcc.h
@@ -95,7 +95,7 @@ what the endianness of the CPU. VFP is sane.
#define FLOAT64_DEMANGLE(a) (a)
#define FLOAT64_MANGLE(a) (a)
#else
-#define FLOAT64_DEMANGLE(a) (((a) << 32) | ((a) >> 32))
+#define FLOAT64_DEMANGLE(a) ((((a) & 0xfffffffful) << 32) | ((a) >> 32))
#define FLOAT64_MANGLE(a) FLOAT64_DEMANGLE(a)
#endif
#endif
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