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src/openlibm/amd64/s_logbl.S

@@ -0,0 +1,29 @@
+/*
+ * Written by:
+ *	J.T. Conklin (jtc@netbsd.org)
+ *	Public domain.
+ */
+
+#include <amd64/bsd_asm.h>
+//__FBSDID("$FreeBSD: src/lib/msun/amd64/s_logbl.S,v 1.4 2011/01/07 16:13:12 kib Exp $")
+
+ENTRY(logbl)
+#ifndef _WIN64
+	fldt	8(%rsp)
+#else
+    fldt    (%rdx)
+#endif
+	fxtract
+	fstp	%st
+#ifdef _WIN64
+    mov     %rcx,%rax
+    movq    $0x0,0x8(%rcx)
+	fstpt	(%rcx)
+#endif
+	ret
+
+	
+/* Enable stack protection */
+#if defined(__ELF__)
+.section .note.GNU-stack,"",%progbits
+#endif