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add equality testing in gen_dev

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Sébastien Besnier 2021-01-19 15:08:03 +01:00
parent 55d2586316
commit 1ee2c7a40f
5 changed files with 96 additions and 18 deletions
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9
compiler/gen_dev/src/generic64/mod.rs
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@ -52,6 +52,7 @@ pub trait Assembler<GPReg: GPRegTrait> {
fn mov_stack32_reg64(buf: &mut Vec<'_, u8>, offset: i32, src: GPReg);
fn sub_reg64_reg64_imm32(buf: &mut Vec<'_, u8>, dst: GPReg, src1: GPReg, imm32: i32);
fn sub_reg64_reg64_reg64(buf: &mut Vec<'_, u8>, dst: GPReg, src1: GPReg, src2: GPReg);
fn eq_reg64_reg64_reg64(buf: &mut Vec<'_, u8>, dst: GPReg, src1: GPReg, src2: GPReg);
fn ret(buf: &mut Vec<'_, u8>);
}
@ -208,6 +209,14 @@ impl<'a, GPReg: GPRegTrait, ASM: Assembler<GPReg>, CC: CallConv<GPReg>> Backend<
Ok(())
}
fn build_eq_i64(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol) -> Result<(), String> {
let dst_reg = self.claim_gp_reg(dst)?;
let src1_reg = self.load_to_reg(src1)?;
let src2_reg = self.load_to_reg(src2)?;
ASM::eq_reg64_reg64_reg64(&mut self.buf, dst_reg, src1_reg, src2_reg);
Ok(())
}
fn load_literal(&mut self, sym: &Symbol, lit: &Literal<'a>) -> Result<(), String> {
match lit {
Literal::Int(x) => {