MIPS: math-emu: Mark exception handling functions as __cold.

Optimizes the code flow and shaves of half a percent of the math-emu
code size.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/math-emu/ieee754sp.h b/arch/mips/math-emu/ieee754sp.h
index 754fd54..e3933be 100644
--- a/arch/mips/math-emu/ieee754sp.h
+++ b/arch/mips/math-emu/ieee754sp.h
@@ -24,6 +24,7 @@
  * ########################################################################
  */
 
+#include <linux/compiler.h>
 
 #include "ieee754int.h"
 
@@ -68,10 +69,10 @@
 
 extern int ieee754sp_isnan(ieee754sp);
 extern int ieee754sp_issnan(ieee754sp);
-extern int ieee754si_xcpt(int, const char *, ...);
-extern s64 ieee754di_xcpt(s64, const char *, ...);
-extern ieee754sp ieee754sp_xcpt(ieee754sp, const char *, ...);
-extern ieee754sp ieee754sp_nanxcpt(ieee754sp, const char *, ...);
+extern int __cold ieee754si_xcpt(int, const char *, ...);
+extern s64 __cold ieee754di_xcpt(s64, const char *, ...);
+extern ieee754sp __cold ieee754sp_xcpt(ieee754sp, const char *, ...);
+extern ieee754sp __cold ieee754sp_nanxcpt(ieee754sp, const char *, ...);
 extern ieee754sp ieee754sp_bestnan(ieee754sp, ieee754sp);
 extern ieee754sp ieee754sp_format(int, int, unsigned);