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more constant folding

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This commit is contained in:
Bill Currie 2004-01-21 21:58:34 +00:00
parent e63b205fd2
commit 2f21926568
1 changed files with 6 additions and 0 deletions
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6
tools/qfcc/source/expr.c
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@ -563,6 +563,8 @@ constant_expr (expr_t *var)
return new_integer_expr (G_INT (var->e.def->ofs));
case ev_uinteger:
return new_uinteger_expr (G_INT (var->e.def->ofs));
case ev_func: // can't convert
return var;
default:
error (var, "internal error");
abort ();
@ -1762,6 +1764,10 @@ binary_expr (int op, expr_t *e1, expr_t *e2)
return e1;
if (e2->type == ex_error)
return e2;
if (e1->type == ex_def && e1->e.def->constant)
e1 = constant_expr (e1);
if (e2->type == ex_def && e2->e.def->constant)
e2 = constant_expr (e2);
t1 = get_type (e1);
t2 = get_type (e2);
if (!t1 || !t2) {