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sometimes swap operands in expressions with side-effects

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eck 1990-09-06 14:49:52 +00:00
parent 2f0275ba3c
commit 33c9811ba9
1 changed files with 3 additions and 1 deletions

4
lang/cem/cemcom.ansi/ch3bin.c
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@ -340,7 +340,9 @@ mk_binop(expp, oper, expr, commutative)
else { else {
*expp = (commutative *expp = (commutative
&& !(ex->ex_flags & EX_VOLATILE) && !(ex->ex_flags & EX_VOLATILE)
&& ( expr->ex_depth > ex->ex_depth && (expr->ex_depth > ex->ex_depth
|| ((expr->ex_flags & EX_SIDEEFFECTS)
&& !(ex->ex_flags & EX_SIDEEFFECTS))
|| is_cp_cst(ex))) || is_cp_cst(ex)))
? new_oper(ex->ex_type, expr, arg_switched(oper), ex) ? new_oper(ex->ex_type, expr, arg_switched(oper), ex)
: new_oper(ex->ex_type, ex, oper, expr); : new_oper(ex->ex_type, ex, oper, expr);