[llvm-commits] [llvm] r49913 - /llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

Evan Cheng evan.cheng at apple.com
Fri Apr 18 12:25:26 PDT 2008


Author: evancheng
Date: Fri Apr 18 14:25:26 2008
New Revision: 49913

URL: http://llvm.org/viewvc/llvm-project?rev=49913&view=rev
Log:
Correct comment.

Modified:
    llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=49913&r1=49912&r2=49913&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Fri Apr 18 14:25:26 2008
@@ -466,8 +466,8 @@
       O.setSubReg(0);
     } else {
       // Sub-register indexes goes from small to large. e.g.
-      // RAX: 0 -> AL, 1 -> AH, 2 -> AX, 3 -> EAX
-      // EAX: 0 -> AL, 1 -> AH, 2 -> AX
+      // RAX: 1 -> AL, 2 -> AX, 3 -> EAX
+      // EAX: 1 -> AL, 2 -> AX
       // So RAX's sub-register 2 is AX, RAX's sub-regsiter 3 is EAX, whose
       // sub-register 2 is also AX.
       if (SubIdx && OldSubIdx && SubIdx != OldSubIdx)





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