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Add StrCat support and update hello-zig to support dev backend

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This commit is contained in:
Brendan Hansknecht 2021-09-18 15:55:04 -07:00
parent 2f24067267
commit d1021d652d
6 changed files with 186 additions and 94 deletions
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11
compiler/gen_dev/src/generic64/mod.rs
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@ -48,6 +48,7 @@ pub trait CallConv<GeneralReg: RegTrait, FloatReg: RegTrait> {
// load_args updates the symbol map to know where every arg is stored.
fn load_args<'a>(
buf: &mut Vec<'a, u8>,
symbol_map: &mut MutMap<Symbol, SymbolStorage<GeneralReg, FloatReg>>,
args: &'a [(Layout<'a>, Symbol)],
// ret_layout is needed because if it is a complex type, we pass a pointer as the first arg.
@ -422,7 +423,12 @@ impl<
args: &'a [(Layout<'a>, Symbol)],
ret_layout: &Layout<'a>,
) -> Result<(), String> {
CC::load_args(&mut self.symbol_storage_map, args, ret_layout)?;
CC::load_args(
&mut self.buf,
&mut self.symbol_storage_map,
args,
ret_layout,
)?;
// Update used and free regs.
for (sym, storage) in &self.symbol_storage_map {
match storage {
@ -1063,7 +1069,7 @@ impl<
Layout::Builtin(Builtin::Str) => {
if self.symbol_storage_map.contains_key(&Symbol::RET_POINTER) {
// This will happen on windows, return via pointer here.
Err("Returning strings via pointer not yet implemented".to_string())
return Err("Returning strings via pointer not yet implemented".to_string());
} else {
ASM::mov_reg64_base32(&mut self.buf, CC::GENERAL_RETURN_REGS[0], *offset);
ASM::mov_reg64_base32(
@ -1071,7 +1077,6 @@ impl<
CC::GENERAL_RETURN_REGS[1],
*offset + 8,
);
Ok(())
}
}
Layout::Struct(field_layouts) => {