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-rw-r--r--sys/compat/linux/linux_misc.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_misc.h b/sys/compat/linux/linux_misc.h
index 37991f3..eddcd2c 100644
--- a/sys/compat/linux/linux_misc.h
+++ b/sys/compat/linux/linux_misc.h
@@ -60,4 +60,9 @@ extern const char *linux_platform;
*/
#define LINUX_AT_EXECFN 31 /* filename of program */
+/* Linux sets the i387 to extended precision. */
+#if defined(__i386__) || defined(__amd64__)
+#define __LINUX_NPXCW__ 0x37f
+#endif
+
#endif /* _LINUX_MISC_H_ */
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