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re PR rtl-optimization/30841 (Missed optimizations for sbi/cbi instructions) 

2007-02-22  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/30841
        * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.

From-SVN: r122253
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Paolo Bonzini 2007-02-23 07:45:34 +00:00 committed by Paolo Bonzini
parent a47eec17b4
commit c0729306a6
2 changed files with 7 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2007-02-22 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/30841
* fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (fold_builtin_frexp): New.

3
gcc/fwprop.c
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@ -324,7 +324,8 @@ propagate_rtx_1 (rtx *px, rtx old, rtx new, bool can_appear)
/* Dismiss transformation that we do not want to carry on. */
if (!valid_ops
|| new_op0 == op0
|| GET_MODE (new_op0) != GET_MODE (op0))
|| !(GET_MODE (new_op0) == GET_MODE (op0)
|| GET_MODE (new_op0) == VOIDmode))
return true;
canonicalize_address (new_op0);