fixedarith: switch divweuX to XLEN

diff --git a/openpower/isa/fixedarith.mdwn b/openpower/isa/fixedarith.mdwn
index b9501093a948d298675be97dae24900576b3271c..365809f37a0ff481ed9899bfde67a1f8533a3e4c 100644 (file)
--- a/openpower/isa/fixedarith.mdwn
+++ b/openpower/isa/fixedarith.mdwn
@@ -476,20 +476,20 @@ XO-Form
 
 Pseudo-code:
 
-    dividend[0:63] <- (RA)[32:63] || [0]*32
-    divisor[0:63] <- [0]*32 || (RB)[32:63]
-    if (divisor = [0]*64) then
+    dividend[0:XLEN-1] <- (RA)[XLEN/2:XLEN-1] || [0]*(XLEN/2)
+    divisor[0:XLEN-1] <- [0]*(XLEN/2) || (RB)[XLEN/2:XLEN-1]
+    if (divisor = [0]*XLEN) then
         overflow <- 1
     else
         result <- dividend / divisor
-        if RA[32:63] <u RB[32:63] then
-            RT[32:63] <- result[32:63]
-            RT[0:31] <- undefined([0]*32)
+        if RA[XLEN/2:XLEN-1] <u RB[XLEN/2:XLEN-1] then
+            RT[XLEN/2:XLEN-1] <- result[XLEN/2:XLEN-1]
+            RT[0:(XLEN/2)-1] <- undefined([0]*(XLEN/2))
             overflow <- 0
         else
             overflow <- 1
     if overflow = 1 then
-        RT[0:63] <- undefined([0]*64)
+        RT[0:XLEN-1] <- undefined([0]*XLEN)
 
 Special Registers Altered: