1 files changed, 9 insertions, 0 deletions
diff --git a/util.asm b/util.asm
index 864080f..89cdcbd 100644
--- a/util.asm
+++ b/util.asm
@@ -40,3 +40,12 @@
         %error %? not supported with cpuname
     %endif
 %endmacro
+
+; make a mm register all-ones
+%macro ONES 1
+    %if mmsize == 64
+        vpternlogq %1, %1, %1, 0xff
+    %else
+        pcmpeqq %1, %1
+    %endif
+%endmacro