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https://git.code.sf.net/p/quake/quakeforge
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[qfcc] Extract sub-vectors through summed extends
This goes a ways towards minimizing extend expressions, even finding zeros and thus eliminating whole branches of expressions, but shows the need for better handling of chained sums of extends.
This commit is contained in:
Bill Currie
parent
f3a1239095
commit
924c13f925
1 changed files with 160 additions and 102 deletions
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@ -65,21 +65,40 @@ is_neg (const expr_t *e)
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return e->type == ex_uexpr && e->e.expr.op == '-';
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}
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static expr_t *
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ext_expr (expr_t *src, type_t *type, int extend, bool reverse)
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{
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if (!src) {
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return 0;
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}
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return new_extend_expr (src, type, extend, reverse);
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}
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static expr_t *
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neg_expr (expr_t *e)
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{
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if (!e) {
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// propagated zero
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return 0;
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}
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if (is_neg (e)) {
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return e->e.expr.e1;
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}
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auto type = get_type (e);
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e = new_unary_expr ('-', e);
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e->e.expr.type = type;
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return e;
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return fold_constants (e);
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}
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static expr_t *
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alias_expr (type_t *type, expr_t *e, int offset)
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{
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if (type == get_type (e)) {
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if (offset) {
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internal_error (e, "offset alias to same type");
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}
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return e;
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}
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bool neg = false;
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if (is_neg (e)) {
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neg = true;
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@ -95,6 +114,37 @@ alias_expr (type_t *type, expr_t *e, int offset)
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static expr_t *
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offset_cast (type_t *type, expr_t *expr, int offset)
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{
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if (type->meta != ty_basic) {
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internal_error (expr, "offset cast to non-basic type");
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}
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if (expr->type == ex_expr && expr->e.expr.op == '+') {
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auto e1 = expr->e.expr.e1;
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auto e2 = expr->e.expr.e2;
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if (e1->type == ex_extend) {
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auto ext = e1->e.extend;
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if (type_width (get_type (ext.src)) == type_width (type)) {
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return alias_expr (type, ext.src, 0);
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}
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}
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if (e2->type == ex_extend) {
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auto ext = e2->e.extend;
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if (type_width (get_type (ext.src)) == type_width (type)) {
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return alias_expr (type, ext.src, 0);
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}
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if (offset >= type_width (get_type (ext.src))) {
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return 0;
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}
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}
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}
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if (expr->type == ex_extend) {
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auto ext = expr->e.extend;
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if (type_width (get_type (ext.src)) == type_width (type)) {
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return alias_expr (type, ext.src, 0);
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}
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if (offset >= type_width (get_type (ext.src))) {
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return 0;
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}
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}
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offset *= type_size (base_type (get_type (expr)));
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return alias_expr (type, expr, offset);
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}
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@ -257,38 +307,33 @@ promote_scalar (type_t *dst_type, expr_t *scalar)
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}
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static expr_t *
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scalar_product (expr_t *e1, expr_t *e2)
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sum_expr (type_t *type, expr_t *a, expr_t *b)
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{
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auto scalar = is_scalar (get_type (e1)) ? e1 : e2;
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auto vector = is_scalar (get_type (e1)) ? e2 : e1;
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auto algebra = algebra_get (get_type (vector));
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auto layout = &algebra->layout;
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scalar = promote_scalar (algebra->type, scalar);
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expr_t *components[layout->count] = {};
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vector = mvec_expr (vector, algebra);
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mvec_scatter (components, vector, algebra);
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for (int i = 0; i < layout->count; i++) {
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if (!components[i]) {
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continue;
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}
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auto comp_type = get_type (components[i]);
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if (type_width (comp_type) == 1) {
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auto prod = new_binary_expr ('*', components[i], scalar);
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prod->e.expr.type = comp_type;
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components[i] = fold_constants (prod);
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} else if (type_width (comp_type) > 4) {
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internal_error (vector, "scalar * %d-vector not implemented",
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type_width (comp_type));
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} else {
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auto prod = new_binary_expr (SCALE, components[i], scalar);
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prod->e.expr.type = comp_type;
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components[i] = fold_constants (prod);
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if (!a) {
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return b;
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}
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if (!b) {
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return a;
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}
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expr_t *ext = 0;
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if (a->type == ex_extend && b->type == ex_extend) {
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if (a->e.extend.extend == b->e.extend.extend
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&& a->e.extend.reverse == b->e.extend.reverse
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&& a->e.extend.type == b->e.extend.type) {
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ext = a; // for copying extend info;
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a = a->e.extend.src;
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b = b->e.extend.src;
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}
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}
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return mvec_gather (components, algebra);
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auto sum = new_binary_expr ('+', a, b);
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if (ext) {
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sum->e.expr.type = get_type (a);
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auto extend = ext->e.extend;
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sum = ext_expr (sum, type, extend.extend, extend.reverse);
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} else {
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sum->e.expr.type = type;
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}
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return sum;
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}
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static void
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@ -302,8 +347,11 @@ component_sum (int op, expr_t **c, expr_t **a, expr_t **b,
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internal_error (a[i], "tangled multivec types");
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}
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auto sum_type = get_type (a[i]);
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c[i] = new_binary_expr (op, a[i], b[i]);
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c[i]->e.expr.type = sum_type;
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if (op == '+') {
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c[i] = sum_expr (sum_type, a[i], b[i]);
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} else {
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c[i] = sum_expr (sum_type, a[i], neg_expr (b[i]));
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}
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c[i] = fold_constants (c[i]);
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} else if (a[i]) {
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c[i] = a[i];
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@ -311,7 +359,7 @@ component_sum (int op, expr_t **c, expr_t **a, expr_t **b,
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if (op == '+') {
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c[i] = b[i];
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} else {
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c[i] = scalar_product (new_float_expr (-1), b[i]);
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c[i] = neg_expr (b[i]);
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c[i] = fold_constants (c[i]);
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}
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} else {
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@ -320,17 +368,13 @@ component_sum (int op, expr_t **c, expr_t **a, expr_t **b,
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}
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}
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static expr_t *
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sum_expr (type_t *type, expr_t *a, expr_t *b)
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{
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auto sum = new_binary_expr ('+', a, b);
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sum->e.expr.type = type;
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return sum;
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}
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static expr_t *
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scale_expr (type_t *type, expr_t *a, expr_t *b)
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{
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if (!a || !b) {
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// propagated zero
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return 0;
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}
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if (!is_scalar (get_type (b)) || !is_real (get_type (b))) {
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internal_error (b, "not a real scalar type");
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}
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@ -363,6 +407,10 @@ scale_expr (type_t *type, expr_t *a, expr_t *b)
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static expr_t *
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dot_expr (type_t *type, expr_t *a, expr_t *b)
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{
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if (!a || !b) {
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// propagated zero
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return 0;
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}
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bool neg = false;
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if (is_neg (a)) {
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neg = !neg;
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@ -385,6 +433,10 @@ dot_expr (type_t *type, expr_t *a, expr_t *b)
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static expr_t *
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cross_expr (type_t *type, expr_t *a, expr_t *b)
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{
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if (!a || !b) {
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// propagated zero
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return 0;
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}
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bool neg = false;
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if (is_neg (a)) {
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neg = !neg;
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@ -407,6 +459,10 @@ cross_expr (type_t *type, expr_t *a, expr_t *b)
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static expr_t *
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wedge_expr (type_t *type, expr_t *a, expr_t *b)
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{
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if (!a || !b) {
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// propagated zero
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return 0;
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}
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bool neg = false;
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if (is_neg (a)) {
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neg = !neg;
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@ -463,7 +519,7 @@ pga3_x_y_z_w_dot_yz_zx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto vtype = vector_type (stype, 3);
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auto dot_type = algebra_mvec_type (alg, 0x01);
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auto va = offset_cast (vtype, a, 0);
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c[0] = new_extend_expr (cross_expr (vtype, b, va), dot_type, 0, false);
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c[0] = ext_expr (cross_expr (vtype, b, va), dot_type, 0, false);
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}
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static void
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@ -473,7 +529,7 @@ pga3_x_y_z_w_dot_wx_wy_wz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto vtype = vector_type (stype, 3);
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auto va = offset_cast (vtype, a, 0);
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auto cs = neg_expr (dot_expr (stype, b, va));
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c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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}
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static void
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@ -484,7 +540,7 @@ pga3_x_y_z_w_dot_wxyz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto va = offset_cast (vtype, a, 0);
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auto sb = offset_cast (stype, b, 0);
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auto cv = scale_expr (vtype, va, sb);
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c[5] = new_extend_expr (cv, algebra_mvec_type (alg, 0x20), 0, false);
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c[5] = ext_expr (cv, algebra_mvec_type (alg, 0x20), 0, false);
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}
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static void
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@ -495,7 +551,7 @@ pga3_x_y_z_w_dot_wzy_wxz_wyx_xyz (expr_t **c, expr_t *a, expr_t *b,
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auto vtype = vector_type (stype, 3);
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auto bvtype = algebra_mvec_type (alg, 0x02);
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auto bmtype = algebra_mvec_type (alg, 0x08);
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auto va = offset_cast (bvtype, a, 0);
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auto va = offset_cast (vtype, a, 0);
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auto vb = offset_cast (vtype, b, 0);
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auto sb = offset_cast (stype, b, 3);
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c[1] = scale_expr (bvtype, va, sb);
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@ -509,7 +565,7 @@ pga3_yz_zx_xy_dot_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto vtype = vector_type (stype, 3);
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auto dot_type = algebra_mvec_type (alg, 0x01);
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auto vb = offset_cast (vtype, b, 0);
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c[0] = new_extend_expr (cross_expr (vtype, vb, a), dot_type, 0, false);
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c[0] = ext_expr (cross_expr (vtype, vb, a), dot_type, 0, false);
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}
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static void
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@ -523,8 +579,9 @@ static void
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pga3_yz_zx_xy_dot_wxyz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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{
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auto stype = alg->type;
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auto vtype = vector_type (stype, 3);
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auto bmtype = algebra_mvec_type (alg, 0x08);
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auto va = offset_cast (bmtype, a, 0);
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auto va = offset_cast (vtype, a, 0);
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auto sb = offset_cast (stype, b, 0);
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c[3] = neg_expr (scale_expr (bmtype, va, sb));
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}
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@ -543,8 +600,8 @@ pga3_yz_zx_xy_dot_wzy_wxz_wyx_xyz (expr_t **c, expr_t *a, expr_t *b,
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auto cv = scale_expr (vtype, a, sb);
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auto cs = dot_expr (stype, a, vb);
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cv = new_extend_expr (neg_expr (cv), dot_type, 0, false);
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cs = new_extend_expr (cs, dot_type, 0, true);
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cv = ext_expr (neg_expr (cv), dot_type, 0, false);
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cs = ext_expr (cs, dot_type, 0, true);
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c[0] = sum_expr (dot_type, cv, cs);
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}
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@ -555,7 +612,7 @@ pga3_wx_wy_wz_dot_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto vtype = vector_type (stype, 3);
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auto vb = offset_cast (vtype, b, 0);
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auto cs = dot_expr (stype, a, vb);
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c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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}
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static void
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@ -572,9 +629,10 @@ static void
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pga3_wxyz_dot_yz_zx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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{
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auto stype = alg->type;
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auto vtype = vector_type (stype, 3);
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auto bmtype = algebra_mvec_type (alg, 0x08);
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auto sa = offset_cast (stype, a, 0);
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auto vb = offset_cast (bmtype, b, 0);
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auto vb = offset_cast (vtype, b, 0);
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c[3] = neg_expr (scale_expr (bmtype, vb, sa));
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}
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@ -585,7 +643,7 @@ pga3_wxyz_dot_wzy_wxz_wyx_xyz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto sa = offset_cast (stype, a, 0);
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auto sb = offset_cast (stype, b, 3);
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auto cs = neg_expr (scale_expr (stype, sa, sb));
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c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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}
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static void
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@ -617,8 +675,8 @@ pga3_wzy_wxz_wyx_xyz_dot_yz_zx_xy (expr_t **c, expr_t *a, expr_t *b,
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auto cv = scale_expr (vtype, b, sa);
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auto cs = dot_expr (stype, b, va);
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cv = new_extend_expr (neg_expr (cv), dot_type, 0, false);
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cs = new_extend_expr (cs, dot_type, 0, true);
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cv = ext_expr (neg_expr (cv), dot_type, 0, false);
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cs = ext_expr (cs, dot_type, 0, true);
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c[0] = sum_expr (dot_type, cv, cs);
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}
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@ -629,7 +687,7 @@ pga3_wzy_wxz_wyx_xyz_dot_wxyz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto sa = offset_cast (stype, a, 3);
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auto sb = offset_cast (stype, b, 0);
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auto cs = scale_expr (stype, sa, sb);
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c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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}
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static void
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@ -707,8 +765,8 @@ pga2_yw_wx_xy_dot_x_y_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto vb = offset_cast (wtype, b, 0);
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auto cv = new_swizzle_expr (vb, "y-x");
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auto cs = wedge_expr (stype, vb, va);
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cv = new_extend_expr (scale_expr (wtype, cv, sa), vtype, 0, false);
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cs = new_extend_expr (cs, dot_type, 0, true);
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cv = ext_expr (scale_expr (wtype, cv, sa), vtype, 0, false);
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cs = ext_expr (cs, dot_type, 0, true);
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c[2] = sum_expr (dot_type, cv, cs);
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}
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@ -719,7 +777,7 @@ pga2_yw_wx_xy_dot_wxy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto sa = offset_cast (stype, a, 2);
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auto sb = offset_cast (stype, b, 0);
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auto cs = neg_expr (scale_expr (stype, sa, sb));
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c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
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}
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static void
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@ -733,8 +791,8 @@ pga2_x_y_w_dot_yw_wx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto sb = offset_cast (stype, b, 2);
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auto cv = scale_expr (wtype, new_swizzle_expr (va, "-yx"), sb);
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auto cs = wedge_expr (stype, vb, va);
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cv = new_extend_expr (cv, dot_type, 0, false);
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cs = new_extend_expr (cs, dot_type, 0, true);
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cv = ext_expr (cv, dot_type, 0, false);
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cs = ext_expr (cs, dot_type, 0, true);
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c[2] = sum_expr (dot_type, cs, cv);
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}
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@ -758,7 +816,7 @@ pga2_x_y_w_dot_wxy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
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auto va = offset_cast (vtype, a, 0);
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auto cv = scale_expr (vtype, va, b);
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c[0] = new_extend_expr (cv, dot_type, 0, false);
|
||||
c[0] = ext_expr (cv, dot_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -768,7 +826,7 @@ pga2_wxy_dot_yw_wx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sa = offset_cast (stype, a, 0);
|
||||
auto sb = offset_cast (stype, b, 2);
|
||||
auto cs = neg_expr (scale_expr (stype, sa, sb));
|
||||
c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -780,7 +838,7 @@ pga2_wxy_dot_x_y_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sa = offset_cast (stype, a, 0);
|
||||
auto vb = offset_cast (vtype, b, 0);
|
||||
auto cv = scale_expr (vtype, vb, sa);
|
||||
c[0] = new_extend_expr (cv, dot_type, 0, false);
|
||||
c[0] = ext_expr (cv, dot_type, 0, false);
|
||||
}
|
||||
|
||||
static pga_func pga2_dot_funcs[4][4] = {
|
||||
|
|
@ -887,8 +945,8 @@ pga3_x_y_z_w_wedge_yz_zx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto cv = scale_expr (vtype, b, sa);
|
||||
auto cs = dot_expr (stype, va, b);
|
||||
|
||||
cv = new_extend_expr (neg_expr (cv), wedge_type, 0, false);
|
||||
cs = new_extend_expr (cs, wedge_type, 0, true);
|
||||
cv = ext_expr (neg_expr (cv), wedge_type, 0, false);
|
||||
cs = ext_expr (cs, wedge_type, 0, true);
|
||||
c[5] = sum_expr (wedge_type, cv, cs);
|
||||
}
|
||||
|
||||
|
|
@ -900,7 +958,7 @@ pga3_x_y_z_w_wedge_wx_wy_wz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto wedge_type = algebra_mvec_type (alg, 0x20);
|
||||
auto va = offset_cast (vtype, a, 0);
|
||||
auto cv = cross_expr (vtype, va, b);
|
||||
c[5] = new_extend_expr (cv, wedge_type, 0, false);
|
||||
c[5] = ext_expr (cv, wedge_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -921,8 +979,8 @@ pga3_yz_zx_xy_wedge_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto cv = scale_expr (vtype, a, sb);
|
||||
auto cs = dot_expr (stype, vb, a);
|
||||
|
||||
cv = new_extend_expr (neg_expr (cv), wedge_type, 0, false);
|
||||
cs = new_extend_expr (cs, wedge_type, 0, true);
|
||||
cv = ext_expr (neg_expr (cv), wedge_type, 0, false);
|
||||
cs = ext_expr (cs, wedge_type, 0, true);
|
||||
c[5] = sum_expr (wedge_type, cv, cs);
|
||||
}
|
||||
|
||||
|
|
@ -942,7 +1000,7 @@ pga3_wx_wy_wz_wedge_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto wedge_type = algebra_mvec_type (alg, 0x20);
|
||||
auto vb = offset_cast (vtype, b, 0);
|
||||
auto cv = cross_expr (vtype, vb, a);
|
||||
c[5] = new_extend_expr (cv, wedge_type, 0, false);
|
||||
c[5] = ext_expr (cv, wedge_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1104,10 +1162,10 @@ pga3_x_y_z_w_geom_yz_zx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sa = offset_cast (stype, a, 3);
|
||||
auto cv = scale_expr (vtype, b, sa);
|
||||
auto cs = dot_expr (stype, va, b);
|
||||
c[0] = new_extend_expr (cross_expr (vtype, b, va),
|
||||
c[0] = ext_expr (cross_expr (vtype, b, va),
|
||||
algebra_mvec_type (alg, 0x01), 0, false);
|
||||
cv = new_extend_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = new_extend_expr (cs, geom_type, 0, true);
|
||||
cv = ext_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = ext_expr (cs, geom_type, 0, true);
|
||||
c[5] = sum_expr (geom_type, cv, cs);
|
||||
}
|
||||
|
||||
|
|
@ -1119,8 +1177,8 @@ pga3_x_y_z_w_geom_wx_wy_wz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto geom_type = algebra_mvec_type (alg, 0x20);
|
||||
auto va = offset_cast (vtype, a, 0);
|
||||
auto cs = neg_expr (dot_expr (stype, va, b));
|
||||
c[5] = new_extend_expr (cross_expr (vtype, va, b), geom_type, 0, false);
|
||||
c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
c[5] = ext_expr (cross_expr (vtype, va, b), geom_type, 0, false);
|
||||
c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1132,7 +1190,7 @@ pga3_x_y_z_w_geom_wxyz (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto va = offset_cast (vtype, a, 0);
|
||||
auto sb = offset_cast (stype, b, 0);
|
||||
auto cv = scale_expr (vtype, va, sb);
|
||||
c[5] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[5] = ext_expr (cv, geom_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1160,10 +1218,10 @@ pga3_yz_zx_xy_geom_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sb = offset_cast (stype, b, 3);
|
||||
auto cv = scale_expr (vtype, a, sb);
|
||||
auto cs = dot_expr (stype, vb, a);
|
||||
c[0] = new_extend_expr (cross_expr (vtype, vb, a),
|
||||
c[0] = ext_expr (cross_expr (vtype, vb, a),
|
||||
algebra_mvec_type (alg, 0x01), 0, false);
|
||||
cv = new_extend_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = new_extend_expr (cs, geom_type, 0, true);
|
||||
cv = ext_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = ext_expr (cs, geom_type, 0, true);
|
||||
c[5] = sum_expr (geom_type, cv, cs);
|
||||
}
|
||||
|
||||
|
|
@ -1200,10 +1258,10 @@ pga3_yz_zx_xy_geom_wzy_wxz_wyx_xyz (expr_t **c, expr_t *a, expr_t *b,
|
|||
auto sb = offset_cast (stype, b, 3);
|
||||
auto cv = scale_expr (vtype, a, sb);
|
||||
auto cs = dot_expr (stype, vb, a);
|
||||
cv = new_extend_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = new_extend_expr (cs, geom_type, 0, true);
|
||||
cv = ext_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = ext_expr (cs, geom_type, 0, true);
|
||||
c[0] = sum_expr (geom_type, cv, cs);
|
||||
c[5] = new_extend_expr (cross_expr (vtype, vb, a),
|
||||
c[5] = ext_expr (cross_expr (vtype, vb, a),
|
||||
algebra_mvec_type (alg, 0x20), 0, false);
|
||||
}
|
||||
|
||||
|
|
@ -1215,8 +1273,8 @@ pga3_wx_wy_wz_geom_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto geom_type = algebra_mvec_type (alg, 0x20);
|
||||
auto vb = offset_cast (vtype, b, 0);
|
||||
auto cs = dot_expr (stype, vb, a);
|
||||
c[5] = new_extend_expr (cross_expr (vtype, vb, a), geom_type, 0, false);
|
||||
c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
c[5] = ext_expr (cross_expr (vtype, vb, a), geom_type, 0, false);
|
||||
c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1235,7 +1293,7 @@ pga3_wx_wy_wz_geom_wzy_wxz_wyx_xyz (expr_t **c, expr_t *a, expr_t *b,
|
|||
auto geom_type = algebra_mvec_type (alg, 0x20);
|
||||
auto vs = offset_cast (stype, b, 3);
|
||||
auto cv = neg_expr (scale_expr (vtype, a, vs));
|
||||
c[5] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[5] = ext_expr (cv, geom_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1247,7 +1305,7 @@ pga3_wxyz_geom_x_y_z_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sa = offset_cast (stype, a, 0);
|
||||
auto vb = offset_cast (vtype, b, 0);
|
||||
auto cv = neg_expr (scale_expr (vtype, vb, sa));
|
||||
c[5] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[5] = ext_expr (cv, geom_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1267,7 +1325,7 @@ pga3_wxyz_geom_wzy_wxz_wyx_xyz (expr_t **c, expr_t *a, expr_t *b,
|
|||
auto sb = offset_cast (stype, b, 3);
|
||||
auto geom_type = algebra_mvec_type (alg, 0x01);
|
||||
auto cs = scale_expr (stype, sa, sb);
|
||||
c[0] = new_extend_expr (neg_expr (cs), geom_type, 0, true);
|
||||
c[0] = ext_expr (neg_expr (cs), geom_type, 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1296,10 +1354,10 @@ pga3_wzy_wxz_wyx_xyz_geom_yz_zx_xy (expr_t **c, expr_t *a, expr_t *b,
|
|||
auto sa = offset_cast (stype, a, 3);
|
||||
auto cv = scale_expr (vtype, b, sa);
|
||||
auto cs = dot_expr (stype, va, b);
|
||||
cv = new_extend_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = new_extend_expr (cs, geom_type, 0, true);
|
||||
cv = ext_expr (neg_expr (cv), geom_type, 0, false);
|
||||
cs = ext_expr (cs, geom_type, 0, true);
|
||||
c[0] = sum_expr (geom_type, cv, cs);
|
||||
c[5] = new_extend_expr (cross_expr (vtype, b, va),
|
||||
c[5] = ext_expr (cross_expr (vtype, b, va),
|
||||
algebra_mvec_type (alg, 0x20), 0, false);
|
||||
}
|
||||
|
||||
|
|
@ -1312,7 +1370,7 @@ pga3_wzy_wxz_wyx_xyz_geom_wx_wy_wz (expr_t **c, expr_t *a, expr_t *b,
|
|||
auto geom_type = algebra_mvec_type (alg, 0x20);
|
||||
auto sa = offset_cast (stype, a, 3);
|
||||
auto cv = scale_expr (vtype, b, sa);
|
||||
c[5] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[5] = ext_expr (cv, geom_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1324,7 +1382,7 @@ pga3_wzy_wxz_wyx_xyz_geom_wxyz (expr_t **c, expr_t *a, expr_t *b,
|
|||
auto sb = offset_cast (stype, b, 0);
|
||||
auto geom_type = algebra_mvec_type (alg, 0x01);
|
||||
auto cs = scale_expr (stype, sa, sb);
|
||||
c[0] = new_extend_expr (cs, geom_type, 0, true);
|
||||
c[0] = ext_expr (cs, geom_type, 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1402,7 +1460,7 @@ pga2_yw_wx_xy_geom_yw_wx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sb = offset_cast (stype, b, 2);
|
||||
auto cv = alias_expr (ctype, cross_expr (vtype, b, a), 0);
|
||||
|
||||
c[0] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[0] = ext_expr (cv, geom_type, 0, false);
|
||||
c[1] = neg_expr (scale_expr (algebra_mvec_type (alg, 0x02), sa, sb));
|
||||
}
|
||||
|
||||
|
|
@ -1418,8 +1476,8 @@ pga2_yw_wx_xy_geom_x_y_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto vb = offset_cast (wtype, b, 0);
|
||||
auto cv = new_swizzle_expr (vb, "y-x");
|
||||
auto cs = wedge_expr (stype, vb, va);
|
||||
cs = new_extend_expr (cs, geom_type, 0, true);
|
||||
cv = new_extend_expr (scale_expr (wtype, cv, sa), vtype, 0, false);
|
||||
cs = ext_expr (cs, geom_type, 0, true);
|
||||
cv = ext_expr (scale_expr (wtype, cv, sa), vtype, 0, false);
|
||||
c[2] = sum_expr (geom_type, cv, cs);
|
||||
c[3] = dot_expr (algebra_mvec_type (alg, 0x08), a, b);
|
||||
}
|
||||
|
|
@ -1431,7 +1489,7 @@ pga2_yw_wx_xy_geom_wxy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sa = offset_cast (stype, a, 2);
|
||||
auto sb = offset_cast (stype, b, 0);
|
||||
auto cs = neg_expr (scale_expr (stype, sa, sb));
|
||||
c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1446,8 +1504,8 @@ pga2_x_y_w_geom_yw_wx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sb = offset_cast (stype, b, 2);
|
||||
auto cv = new_swizzle_expr (va, "-yx");
|
||||
auto cs = wedge_expr (stype, vb, va);
|
||||
cs = new_extend_expr (cs, geom_type, 0, true);
|
||||
cv = new_extend_expr (scale_expr (wtype, cv, sb), vtype, 0, false);
|
||||
cs = ext_expr (cs, geom_type, 0, true);
|
||||
cv = ext_expr (scale_expr (wtype, cv, sb), vtype, 0, false);
|
||||
c[2] = sum_expr (geom_type, cv, cs);
|
||||
c[3] = dot_expr (algebra_mvec_type (alg, 0x08), a, b);
|
||||
}
|
||||
|
|
@ -1473,7 +1531,7 @@ pga2_x_y_w_geom_wxy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto va = offset_cast (vtype, a, 0);
|
||||
auto cv = scale_expr (vtype, va, b);
|
||||
|
||||
c[0] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[0] = ext_expr (cv, geom_type, 0, false);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1483,7 +1541,7 @@ pga2_wxy_geom_yw_wx_xy (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto sa = offset_cast (stype, a, 0);
|
||||
auto sb = offset_cast (stype, b, 2);
|
||||
auto cs = neg_expr (scale_expr (stype, sa, sb));
|
||||
c[0] = new_extend_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
c[0] = ext_expr (cs, algebra_mvec_type (alg, 0x01), 0, true);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1495,7 +1553,7 @@ pga2_wxy_geom_x_y_w (expr_t **c, expr_t *a, expr_t *b, algebra_t *alg)
|
|||
auto vb = offset_cast (vtype, b, 0);
|
||||
auto cv = scale_expr (vtype, vb, a);
|
||||
|
||||
c[0] = new_extend_expr (cv, geom_type, 0, false);
|
||||
c[0] = ext_expr (cv, geom_type, 0, false);
|
||||
}
|
||||
|
||||
static pga_func pga2_geometric_funcs[6][6] = {
|
||||
|
|
@ -1641,7 +1699,7 @@ multivector_divide (expr_t *e1, expr_t *e2)
|
|||
auto ct = get_type (a[i]);
|
||||
int width = type_width (ct);
|
||||
if (width > 1) {
|
||||
den = new_extend_expr (den, vector_type (stype, width), 2, false);
|
||||
den = ext_expr (den, vector_type (stype, width), 2, false);
|
||||
}
|
||||
a[i] = new_binary_expr ('/', a[i], den);
|
||||
a[i]->e.expr.type = ct;
|
||||
|
|
@ -1844,7 +1902,7 @@ algebra_assign_expr (expr_t *dst, expr_t *src)
|
|||
if (size) {
|
||||
zero_components (block, dst, memset_base, size);
|
||||
}
|
||||
auto dst_alias = alias_expr (sym->type, dst, sym->s.offset);
|
||||
auto dst_alias = new_offset_alias_expr (sym->type, dst, sym->s.offset);
|
||||
append_expr (block, new_assign_expr (dst_alias, components[i]));
|
||||
memset_base = sym->s.offset + type_size (sym->type);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue