forked from AbleOS/holey-bytes
fixing bitcasts
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@ -540,6 +540,19 @@ main := fn(): int {
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}
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```
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#### small_struct_bitcast
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```hb
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Color := struct {r: u8, g: u8, b: u8, a: u8}
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white := Color.(255, 255, 255, 255)
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u32_to_color := fn(v: u32): Color {
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return @bitcast(v)
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}
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main := fn(): int {
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return u32_to_color(@bitcast(white)).r
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}
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```
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#### wide_ret
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```hb
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OemIdent := struct {
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@ -24,7 +24,6 @@ use {
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fmt::{self, Debug, Display, Write},
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format_args as fa, mem,
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ops::{self},
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u16,
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},
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hashbrown::hash_map,
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hbbytecode::DisasmError,
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@ -2491,6 +2490,17 @@ impl<'a> Codegen<'a> {
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);
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}
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match ty.loc(&self.tys) {
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Loc::Reg if core::mem::take(&mut val.ptr) => val.id = self.load_mem(val.id, ty),
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Loc::Stack if !val.ptr => {
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let stack = self.ci.nodes.new_node_nop(ty, Kind::Stck, [VOID, MEM]);
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self.store_mem(stack, val.ty, val.id);
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val.id = stack;
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val.ptr = true;
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}
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_ => {}
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}
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val.ty = ty;
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Some(val)
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}
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@ -4450,6 +4460,7 @@ mod tests {
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// Purely Testing Examples;
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returning_global_struct;
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small_struct_bitcast;
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wide_ret;
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comptime_min_reg_leak;
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different_types;
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23
lang/tests/son_tests_small_struct_bitcast.txt
Normal file
23
lang/tests/son_tests_small_struct_bitcast.txt
Normal file
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@ -0,0 +1,23 @@
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main:
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ADDI64 r254, r254, -12d
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ST r31, r254, 4a, 8h
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LRA r1, r0, :white
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LD r2, r1, 0a, 4h
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ADDI64 r5, r254, 0d
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JAL r31, r0, :u32_to_color
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ST r1, r254, 0a, 4h
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LD r9, r254, 0a, 1h
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ANDI r1, r9, 255d
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LD r31, r254, 4a, 8h
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ADDI64 r254, r254, 12d
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JALA r0, r31, 0a
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u32_to_color:
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ADDI64 r254, r254, -4d
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ADDI64 r3, r254, 0d
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ST r2, r254, 0a, 4h
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LD r1, r3, 0a, 4h
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ADDI64 r254, r254, 4d
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JALA r0, r31, 0a
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code size: 216
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ret: 255
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status: Ok(())
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