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[qfcc] Build multi-vector expressions correctly

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Losing the other components and getting the offset wrong doesn't make
for a correct multi-vector expression when pulling apart a multi-vector
def.
This commit is contained in:
Bill Currie 2023-08-23 08:41:23 +09:00
parent d75bf346f3
commit 0d491ce68c
1 changed files with 3 additions and 1 deletions
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4
tools/qfcc/source/expr_algebra.c
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@ -64,13 +64,15 @@ mvec_expr (expr_t *expr, algebra_t *algebra)
.algebra = algebra, .algebra = algebra,
}; };
expr_t **c = &mvec->e.multivec.components; expr_t **c = &mvec->e.multivec.components;
int comp_offset = 0;
for (int i = 0; i < layout->count; i++) { for (int i = 0; i < layout->count; i++) {
pr_uint_t mask = 1u << i; pr_uint_t mask = 1u << i;
if (mask & group_mask) { if (mask & group_mask) {
auto comp_type = algebra_mvec_type (algebra, mask); auto comp_type = algebra_mvec_type (algebra, mask);
int comp_offset = algebra->layout.group_map[i][1];
*c = new_offset_alias_expr (comp_type, expr, comp_offset); *c = new_offset_alias_expr (comp_type, expr, comp_offset);
c = &(*c)->next;
mvec->e.multivec.count++; mvec->e.multivec.count++;
comp_offset += algebra->layout.groups[i].count;
} }
} }