about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/fpu/math_private.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/math_private.h b/sysdeps/alpha/fpu/math_private.h
index 22ab3b9ab0..9e06e25dc6 100644
--- a/sysdeps/alpha/fpu/math_private.h
+++ b/sysdeps/alpha/fpu/math_private.h
@@ -13,6 +13,12 @@
 # define __isnanf __isnanf
 #endif
 
+/* Generic code forces values to memory; we don't need to do that.  */
+#define math_opt_barrier(x) \
+  ({ __typeof (x) __x = (x); __asm ("" : "+frm" (__x)); __x; })
+#define math_force_eval(x) \
+  ({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "frm" (__x)); })
+
 #include_next <math_private.h>
 
 #ifdef __alpha_fix__