[llvm] r188781 - [SystemZ] Update README

Richard Sandiford rsandifo at linux.vnet.ibm.com
Tue Aug 20 02:40:35 PDT 2013


Author: rsandifo
Date: Tue Aug 20 04:40:35 2013
New Revision: 188781

URL: http://llvm.org/viewvc/llvm-project?rev=188781&view=rev
Log:
[SystemZ] Update README

We now use MVST, CLST and SRST for the obvious cases.

Modified:
    llvm/trunk/lib/Target/SystemZ/README.txt

Modified: llvm/trunk/lib/Target/SystemZ/README.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/README.txt?rev=188781&r1=188780&r2=188781&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/README.txt (original)
+++ llvm/trunk/lib/Target/SystemZ/README.txt Tue Aug 20 04:40:35 2013
@@ -73,10 +73,8 @@ Likewise memcmp and CLC.  MVCLE and CLCL
 
 --
 
-We don't optimize string operations.
-
-MVST, CLST, SRST and CUSE could be useful here.  Some of the TRANSLATE
-family might be too, although they are probably more difficult to exploit.
+We don't use CUSE or the TRANSLATE family of instructions for string
+operations.  The TRANSLATE ones are probably more difficult to exploit.
 
 --
 





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