forked from AbleOS/holey-bytes
some cleanup and bug fix
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parent
ca1d471646
commit
4502a64514
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@ -1248,13 +1248,13 @@ impl<'a> Codegen<'a> {
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let signed = bt::is_signed(ty);
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if let Loc::Imm(mut imm) = right.loc
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&& let Some(oper) = Self::imm_math_op(op, signed, size, false)
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&& let Some(oper) = Self::imm_math_op(op, signed, size)
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{
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if matches!(op, T::Add | T::Sub) {
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if bt::is_pointer(left.ty) {
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let size = self.size_of(self.pointers[ty as usize]);
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imm *= size;
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}
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if matches!(op, T::Add | T::Sub)
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&& let TypeKind::Pointer(ty) = TypeKind::from_ty(ty)
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{
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let size = self.size_of(self.pointers[ty as usize]);
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imm *= size;
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}
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self.code.encode(oper(lhs.0, lhs.0, imm));
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@ -1381,7 +1381,6 @@ impl<'a> Codegen<'a> {
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op: T,
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signed: bool,
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size: u64,
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first_imm: bool,
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) -> Option<fn(u8, u8, u64) -> (usize, [u8; instrs::MAX_SIZE])> {
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use instrs as i;
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@ -1402,14 +1401,14 @@ impl<'a> Codegen<'a> {
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let ops = match op {
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T::Add => basic_op!(addi8, addi16, addi32, addi64),
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T::Sub if !first_imm => sub_op!(addi8, addi16, addi32, addi64),
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T::Sub => sub_op!(addi8, addi16, addi32, addi64),
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T::Mul => basic_op!(muli8, muli16, muli32, muli64),
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T::Band => return Some(i::andi),
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T::Bor => return Some(i::ori),
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T::Xor => return Some(i::xori),
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T::Shr if signed && !first_imm => basic_op!(srui8, srui16, srui32, srui64),
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T::Shr if !first_imm => basic_op!(srui8, srui16, srui32, srui64),
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T::Shl if !first_imm => basic_op!(slui8, slui16, slui32, slui64),
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T::Shr if signed => basic_op!(srui8, srui16, srui32, srui64),
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T::Shr => basic_op!(srui8, srui16, srui32, srui64),
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T::Shl => basic_op!(slui8, slui16, slui32, slui64),
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_ => return None,
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};
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@ -1442,7 +1441,7 @@ impl<'a> Codegen<'a> {
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let (lhs, owned) = self.loc_to_reg_ref(&left, size);
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if let Loc::Imm(imm) = right
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&& let Some(op) = Self::imm_math_op(op, signed, size, false)
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&& let Some(op) = Self::imm_math_op(op, signed, size)
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{
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self.code.encode(op(lhs, lhs, imm));
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return if let Ctx::Dest(dest) = ctx {
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@ -1,3 +1,3 @@
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code size: 209
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code size: 200
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ret: 1
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 527
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code size: 499
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ret: 512
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 666
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code size: 657
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ret: 0
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 314
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code size: 308
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ret: 44
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 287
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code size: 281
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ret: 16
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 290
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code size: 287
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ret: 55
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 382
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code size: 379
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ret: 0
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status: Ok(())
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@ -1,3 +1,3 @@
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code size: 124
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code size: 121
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ret: 0
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status: Ok(())
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