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matrix, vector align

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kalsprite
2026-08-13 20:20:00 -07:00
parent 039ee3b63e
commit b25497ecd5
1 changed files with 3 additions and 16 deletions
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19
src/types.cpp
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@@ -1605,16 +1605,8 @@ gb_internal i64 matrix_align_of(Type *t, struct TypePath *tp) {
// could be maximally aligned but as a compromise, having no padding will be
// beneficial to third libraries that assume no padding
i64 total_expected_size = row_count*column_count*elem_size;
// i64 min_alignment = prev_pow2(elem_align * row_count);
i64 min_alignment = prev_pow2(total_expected_size);
while (total_expected_size != 0 && (total_expected_size % min_alignment) != 0) {
min_alignment >>= 1;
}
min_alignment = gb_max(min_alignment, elem_align);
i64 align = gb_min(min_alignment, build_context.max_simd_align);
return align;
gb_unused(row_count); gb_unused(column_count); gb_unused(elem_size);
return gb_clamp(elem_align, 1, build_context.max_simd_align);
}
@@ -4527,12 +4519,7 @@ gb_internal i64 type_align_of_internal(Type *t, TypePath *path) {
case Type_SimdVector: {
// IMPORTANT TODO(bill): Figure out the alignment of vector types
i64 max_align = build_context.max_simd_align*2;
if (build_context.metrics.os == TargetOs_darwin && build_context.metrics.arch == TargetArch_amd64) {
// Darwin guarantees only 16-byte stack alignment
max_align = gb_min(max_align, 16);
}
return gb_clamp(next_pow2(type_size_of_internal(t, path)), 1, max_align);
return gb_clamp(next_pow2(type_size_of_internal(t, path)), 1, build_context.max_simd_align);
}
case Type_Matrix: