[libclc] 53/291: Add a TODO note.

[Andreas Beckmann]

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anbe pushed a commit to branch master
in repository libclc.

commit a6c4ea315053dc20ced08f9e0f9efb545e2179b7
Author: Tom Stellard <thomas.stellard at amd.com>
Date:   Wed Jun 26 18:21:22 2013 +0000

    Add a TODO note.
    
    Patch by: Aaron Watry
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@184998 91177308-0d34-0410-b5e6-96231b3b80d8
---
 generic/lib/integer/rotate.inc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/generic/lib/integer/rotate.inc b/generic/lib/integer/rotate.inc
index 7792a97..b34ffed 100644
--- a/generic/lib/integer/rotate.inc
+++ b/generic/lib/integer/rotate.inc
@@ -21,6 +21,10 @@ _CLC_OVERLOAD _CLC_DEF GENTYPE rotate(GENTYPE x, GENTYPE n){
         return ( (((UGENTYPE)x) >> -n) | (x << (GENSIZE + n)) );
     }
 #else
+    //XXX: There's a lot of __builtin_astype calls to cast everything to
+    //     unsigned ... This should be improved so that if GENTYPE==UGENTYPE, no
+    //     casts are required.
+    
     UGENTYPE x_1 = __builtin_astype(x, UGENTYPE);
 
     UGENTYPE amt;

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