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[match-and-simplify] Remove broken duplicate pattern

Message ID alpine.LSU.2.11.1407151414120.19154@zhemvz.fhfr.qr
State New
Headers show

Commit Message

Richard Biener July 15, 2014, 12:14 p.m. UTC 
Committed.

Richard.

2014-07-15  Richard Biener  <rguenther@suse.de>

	* match.pd: Remove duplicated and broken rotate pattern.
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Patch

Index: gcc/match.pd
===================================================================
--- gcc/match.pd	(revision 212544)
+++ gcc/match.pd	(working copy)
@@ -351,15 +351,6 @@  along with GCC; see the file COPYING3.
   (lrotate @0 @1)))
 
 
-/* (x << CNT1) OP (x >> CNT2) -> x r<< CNT1 OP being +, |, ^ */
-(for op in plus bit_ior bit_xor 
-(match_and_simplify
-  (op:c (lshift @0 INTEGER_CST_P@1) (rshift @0 INTEGER_CST_P@2))
-  if (tree_fits_uhwi_p (@1) && tree_fits_uhwi_p (@2)
-      && tree_to_uhwi (@1) + tree_to_uhwi (@2) == TYPE_PRECISION (type))
-  (lrotate @0 @1)))
-
-
 /* ????s
 
    We cannot reasonably match vector CONSTRUCTORs or vector constants