powerpc: move math-emu over to arch/powerpc

[pandora-kernel.git] / arch / powerpc / math-emu / fneg.c

diff --git a/arch/powerpc/math-emu/fneg.c b/arch/powerpc/math-emu/fneg.c
new file mode 100644 (file)
index 0000000..fe9a98d
--- /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;
+}