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cbe: msvc compatible int casting inside renderValue .Packed branch

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- Handle non-abiInt source types (like packed union) as sources in renderIntCast
This commit is contained in:
kcbanner 2022-12-12 01:03:10 -05:00
parent 00b54a5fe5
commit 351025dc05
1 changed files with 9 additions and 13 deletions
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22
src/codegen/c.zig
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@ -1294,26 +1294,20 @@ pub const DeclGen = struct {
const field_ty = ty.structFieldType(index);
if (!field_ty.hasRuntimeBitsIgnoreComptime()) continue;
//const cast_context = IntCastContext{ .value = .{ .value = field_val } };
const cast_context = IntCastContext{ .value = .{ .value = field_val } };
if (bit_offset_val_pl.data != 0) {
try writer.writeAll("zig_shl_");
try dg.renderTypeForBuiltinFnName(writer, ty);
try writer.writeByte('(');
//try dg.renderIntCast(writer, ty,_context, field_ty, .FunctionArgument);
try dg.renderValue(writer, field_ty, field_val, .FunctionArgument);
try dg.renderIntCast(writer, ty, cast_context, field_ty, .FunctionArgument);
try writer.writeAll(", ");
try dg.renderValue(writer, bit_offset_ty, bit_offset_val, .FunctionArgument);
try writer.writeByte(')');
} else {
try dg.renderValue(writer, field_ty, field_val, .FunctionArgument);
//try dg.renderIntCast(writer, ty, cast_context, field_ty, .FunctionArgument);
try dg.renderIntCast(writer, ty, cast_context, field_ty, .FunctionArgument);
}
if (needs_closing_paren) try writer.writeByte(')');
if (needs_closing_paren) try writer.writeByte(')') ;
if (eff_index != eff_num_fields - 1) try writer.writeAll(", ");
bit_offset_val_pl.data += field_ty.bitSize(target);
@ -2213,10 +2207,12 @@ pub const DeclGen = struct {
} else src_ty;
const src_bits = src_eff_ty.bitSize(target);
const src_int_info = src_eff_ty.intInfo(target);
const src_int_info = if (src_eff_ty.isAbiInt()) src_eff_ty.intInfo(target) else null;
if (dest_bits <= 64 and src_bits <= 64) {
const needs_cast = toCIntBits(dest_int_info.bits) != toCIntBits(src_int_info.bits) or
dest_int_info.signedness != src_int_info.signedness;
const needs_cast = src_int_info == null or
(toCIntBits(dest_int_info.bits) != toCIntBits(src_int_info.?.bits) or
dest_int_info.signedness != src_int_info.?.signedness);
if (needs_cast) {
try w.writeByte('(');
try dg.renderTypecast(w, dest_ty);