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-rw-r--r--arch/powerpc/math-emu/fneg.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/fneg.c b/arch/powerpc/math-emu/fneg.c
new file mode 100644
index 000000000000..fe9a98deff69
--- /dev/null
+++ b/arch/powerpc/math-emu/fneg.c
@@ -0,0 +1,18 @@
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+
+int
+fneg(u32 *frD, u32 *frB)
+{
+ frD[0] = frB[0] ^ 0x80000000;
+ frD[1] = frB[1];
+
+#ifdef DEBUG
+ printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB);
+ dump_double(frD);
+ printk("\n");
+#endif
+
+ return 0;
+}