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Fix lb_build_assign_stmt_array for lbAddr_Swizzle

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gingerBill
2021-06-05 17:33:42 +01:00
parent 599d18f26f
commit a2f2041aa6
1 changed files with 28 additions and 1 deletions
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29
src/llvm_backend.cpp
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@@ -5319,9 +5319,36 @@ void lb_build_assign_stmt_array(lbProcedure *p, TokenKind op, lbAddr const &lhs,
lbValue rhs = lb_emit_conv(p, value, lhs_type);
bool inline_array_arith = type_size_of(array_type) <= build_context.max_align;
if (lhs.kind == lbAddr_Swizzle) {
GB_ASSERT(is_type_array(lhs_type));
bool indices_handled[4] = {};
// TODO(bill): Inline array arith optimization for swizzles
{
for (u8 i = 0; i < lhs.swizzle.count; i++) {
u8 index = lhs.swizzle.indices[i];
if (indices_handled[index]) {
continue;
}
indices_handled[index] = true;
lbValue lhs_ptr = lb_emit_array_epi(p, lhs.addr, index);
lbValue x_load = lb_emit_load(p, lhs_ptr);
lbValue y_load = {};
y_load.value = LLVMBuildExtractValue(p->builder, rhs.value, i, "");
y_load.type = elem_type;
lbValue op_value = lb_emit_arith(p, op, x_load, y_load, elem_type);
lb_emit_store(p, lhs_ptr, op_value);
}
}
return;
}
lbValue x = lb_addr_get_ptr(p, lhs);
bool inline_array_arith = type_size_of(array_type) <= build_context.max_align;
if (inline_array_arith) {
#if 1