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Revert this change. Gavin's patch to operand_equal_p is a better fix. 

* fold-const.c (fold_range_test): Do not try to fold the range
         test if the rhs or lhs has side effects.

From-SVN: r29526
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Jeffrey A Law 1999-09-20 17:12:03 +00:00 committed by Jeff Law
parent 7161fcc7c5
commit 8d02813512
2 changed files with 4 additions and 4 deletions
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gcc/ChangeLog
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@ -24,6 +24,10 @@ Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
Revert this change. Gavin's patch to operand_equal_p is a better fix.
* fold-const.c (fold_range_test): Do not try to fold the range
test if the rhs or lhs has side effects.
* basic-block.h (compute_flow_dominators): Declare.
* gcse.c (alloc_code_hoist_mem): New function.

4
gcc/fold-const.c
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@ -3571,10 +3571,6 @@ fold_range_test (exp)
tree rhs = make_range (TREE_OPERAND (exp, 1), &in1_p, &low1, &high1);
tree tem;
/* Fail if anything is volatile. */
if (TREE_SIDE_EFFECTS (lhs) || TREE_SIDE_EFFECTS (rhs))
return 0;
/* If this is an OR operation, invert both sides; we will invert
again at the end. */
if (or_op)