[llvm-commits] CVS: llvm/lib/Target/Alpha/README.txt

Chris Lattner sabre at nondot.org
Tue Oct 10 18:45:01 PDT 2006



Changes in directory llvm/lib/Target/Alpha:

README.txt updated: 1.5 -> 1.6
---
Log message:

This has apparently been fixed


---
Diffs of the changes:  (+0 -30)

 README.txt |   30 ------------------------------
 1 files changed, 30 deletions(-)


Index: llvm/lib/Target/Alpha/README.txt
diff -u llvm/lib/Target/Alpha/README.txt:1.5 llvm/lib/Target/Alpha/README.txt:1.6
--- llvm/lib/Target/Alpha/README.txt:1.5	Sun Sep 24 08:13:10 2006
+++ llvm/lib/Target/Alpha/README.txt	Tue Oct 10 20:44:46 2006
@@ -151,33 +151,3 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 Fix Ordered/Unordered FP stuff
 
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-improve bytezap opertunities
-ulong %foo(ulong %y) {
-entry:
-        %tmp = and ulong %y,  65535
-        %tmp2 = shr ulong %tmp,  ubyte 3
-        ret ulong %tmp2
-}
-
-
-compiles to a 3 instruction sequence without instcombine
-        zapnot $16,3,$0
-        srl $0,3,$0
-        ret $31,($26),1
- 
-After instcombine you get
-ulong %foo(ulong %y) {
-entry:
-        %tmp = shr ulong %y, ubyte 3            ; <ulong> [#uses=1]
-        %tmp2 = and ulong %tmp, 8191            ; <ulong> [#uses=1]
-        ret ulong %tmp2
-}
-
-which compiles to
-        lda $0,8191($31)
-        srl $16,3,$1
-        and $1,$0,$0
-        ret $31,($26),1
-






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