argh actually const is too long because of hex digits
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Sat, 25 Jul 2020 21:25:41 +0000 (22:25 +0100)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Sat, 25 Jul 2020 21:25:41 +0000 (22:25 +0100)
openpower/isa/fixedarith.mdwn

index a3d054aacfe34063807c9a4ad68d0ea38b6433a1..6b42591520aa39626aa3f90a8128d497dacc2ca7 100644 (file)
@@ -350,8 +350,8 @@ Pseudo-code:
 
     prod[0:63] <- MULS((RA)[32:63], (RB)[32:63])
     RT <- prod
-    overflow <- ((prod[0:33] != 0x0_0000_0000) &
-                 (prod[0:33] != 0x1_ffff_ffff))
+    overflow <- ((prod[0:32] != [0]*33) &
+                 (prod[0:32] != [1]*33))
 
 Special Registers Altered:
 
@@ -564,8 +564,8 @@ Pseudo-code:
 
     prod[0:127] <- MULS((RA), (RB))
     RT <- prod[64:127]
-    overflow <- ((prod[0:65] != 0x0_0000_0000_0000_0000) &
-                 (prod[0:65] != 0x1_ffff_ffff_ffff_ffff))
+    overflow <- ((prod[0:64] != [0]*65) &
+                 (prod[0:64] != [1]*65))
 
 Special Registers Altered: