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[qfcc] Don't fold constants for algebra

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While it is a pessimism, I really want to get rid of fold_constants (in
favor of something smarter), and it's currently in the way of more
important things.
This commit is contained in:
Bill Currie 2024-12-07 19:09:10 +09:00
parent bbc7fcd207
commit e87e01e4f2
1 changed files with 1 additions and 7 deletions

8
tools/qfcc/source/expr_algebra.c
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@ -133,7 +133,7 @@ neg_expr (const expr_t *e)
neg = new_unary_expr ('-', e);
}
neg->expr.type = type;
return edag_add_expr (fold_constants (neg));
return edag_add_expr (neg);
}
const expr_t *
@ -585,7 +585,6 @@ sum_expr_low (const type_t *type, int op, const expr_t *a, const expr_t *b)
}
auto sum = typed_binary_expr (type, op, a, b);
sum = fold_constants (sum);
sum = edag_add_expr (sum);
return sum;
}
@ -821,7 +820,6 @@ distribute_product (const type_t *type, const expr_t *a, const expr_t *b,
for (auto j = b_adds; *j; j++) {
auto p = product (type, *i, *j);
if (p) {
p = fold_constants (p);
p = edag_add_expr (p);
a = sum_expr (type, a, p);
}
@ -831,7 +829,6 @@ distribute_product (const type_t *type, const expr_t *a, const expr_t *b,
for (auto j = b_subs; *j; j++) {
auto p = product (type, *i, *j);
if (p) {
p = fold_constants (p);
p = edag_add_expr (p);
a = sum_expr (type, a, p);
}
@ -841,7 +838,6 @@ distribute_product (const type_t *type, const expr_t *a, const expr_t *b,
for (auto j = b_subs; *j; j++) {
auto p = product (type, *i, *j);
if (p) {
p = fold_constants (p);
p = edag_add_expr (p);
b = sum_expr (type, b, p);
}
@ -851,7 +847,6 @@ distribute_product (const type_t *type, const expr_t *a, const expr_t *b,
for (auto j = b_adds; *j; j++) {
auto p = product (type, *i, *j);
if (p) {
p = fold_constants (p);
p = edag_add_expr (p);
b = sum_expr (type, b, p);
}
@ -883,7 +878,6 @@ static const expr_t *
apply_scale (const type_t *type, const expr_t *expr, const expr_t *prod)
{
if (expr && prod) {
expr = fold_constants (expr);
expr = edag_add_expr (expr);
expr = scale_expr (type, expr, prod);
}