* simplify-rtx.c (simplify_binary_operation_1): Try to simplify away

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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+2010-08-03  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * simplify-rtx.c (simplify_binary_operation_1): Try to simplify away
+       NEG as operand of a MULT by merging it with the other operand.
+       * combine.c (make_compound_operation): Use trunc_int_for_mode when
+       generating a MULT with constant.  Canonicalize PLUS and MINUS involving
+       MULT.
+       * config/arm/constraints.md (M): Examine only 32 bits of a
+       HOST_WIDE_INT.
+       * config/arm/predicates.md (power_of_two_operand): Likewise.
+
 2010-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
        * config/spu/spu.c (spu_emit_branch_hint): Do not access NOTE_KIND of