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* fold-const.c (fold_truthop): Properly check for FP RHS.

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From-SVN: r31091
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Richard Kenner 1999-12-26 12:43:28 +00:00 committed by Richard Kenner
parent f918cd8a10
commit 1d691c5344
2 changed files with 7 additions and 5 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* fold-const.c (fold_truthop): Properly check for FP RHS.
1999-12-24 Mark Mitchell <mark@codesourcery.com>
* toplev.h (note_deferall_of_defined_inline_function): Declare.

8
gcc/fold-const.c
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@ -3853,13 +3853,11 @@ fold_truthop (code, truth_type, lhs, rhs)
/* If the RHS can be evaluated unconditionally and its operands are
simple, it wins to evaluate the RHS unconditionally on machines
with expensive branches. In this case, this isn't a comparison
that can be merged. */
/* @@ I'm not sure it wins on the m88110 to do this if the comparisons
are with zero (tmw). */
that can be merged. Avoid doing this if the RHS is a floating-point
comparison since those can trap. */
if (BRANCH_COST >= 2
&& INTEGRAL_TYPE_P (TREE_TYPE (rhs))
&& ! FLOAT_TYPE_P (TREE_TYPE (rl_arg))
&& simple_operand_p (rl_arg)
&& simple_operand_p (rr_arg))
return build (code, truth_type, lhs, rhs);