Added some patterns for unsigned compares

diff --git a/util/opt/patterns b/util/opt/patterns
index a5a02ab..0d980b4 100644 (file)
--- a/util/opt/patterns
+++ b/util/opt/patterns
@@ -153,6 +153,22 @@ loc cmu teq $1==0 && $2==w:        teq
 loc cmu tne $1==0 && $2==w:    tne
 loc cmu zeq $1==0 && $2==w:    zeq $3
 loc cmu zne $1==0 && $2==w:    zne $3
+loc cmu tlt $1==0 && $2==w:    asp w loc 0
+loc cmu tle $1==0 && $2==w:    teq
+loc cmu tge $1==0 && $2==w:    asp w loc 1
+loc cmu tgt $1==0 && $2==w:    tne
+loc cmu zlt $1==0 && $2==w:    asp w
+loc cmu zle $1==0 && $2==w:    zeq $3
+loc cmu zge $1==0 && $2==w:    asp w bra $3
+loc cmu zgt $1==0 && $2==w:    zne $3
+ldc cmu tlt $1==0 && $2==2*w:  asp 2*w loc 0
+ldc cmu tle $1==0 && $2==2*w:  ldc 0 cms 2*w teq
+ldc cmu tge $1==0 && $2==2*w:  asp 2*w loc 1
+ldc cmu tgt $1==0 && $2==2*w:  ldc 0 cms 2*w tne
+ldc cmu zlt $1==0 && $2==2*w:  asp 2*w
+ldc cmu zle $1==0 && $2==2*w:  ldc 0 cms 2*w zeq $3
+ldc cmu zge $1==0 && $2==2*w:  asp 2*w bra $3
+ldc cmu zgt $1==0 && $2==2*w:  ldc 0 cms 2*w zne $3
 loc ior $1==0 && $2==w:
 ldc ior $1==0 && $2==2*w:
 zer ior $1==$2: