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move jmp into the architecture-specific trait mods

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Folkert 2023-09-16 15:29:31 +02:00
parent 93d7054a00
commit 99873f948d
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3 changed files with 41 additions and 13 deletions
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14
crates/compiler/gen_dev/src/generic64/mod.rs
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@ -263,19 +263,7 @@ pub trait Assembler<GeneralReg: RegTrait, FloatReg: RegTrait>: Sized + Copy {
jmp_location: u64,
base_offset: u64,
target_offset: u64,
) {
let old_buf_len = buf.len();
// write the jmp at the back of buf
let jmp_offset = target_offset as i32 - base_offset as i32;
Self::jmp_imm32(buf, jmp_offset);
// move the new jmp instruction into position
buf.copy_within(old_buf_len.., jmp_location as usize);
// wipe the jmp we created at the end
buf.truncate(old_buf_len)
}
);
fn tail_call(buf: &mut Vec<'_, u8>) -> u64;