cli/q
Code Issues 1 Pull Requests Activity

Improved assembler performance

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This commit is contained in:
Eduard Urbach
2025-03-11 06:31:21 +01:00
parent d2ad8c8310
commit e7a06f5b26
37 changed files with 412 additions and 166 deletions
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29
src/asmc/compileARM.go
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@ -13,8 +13,9 @@ import (
func (c *compiler) compileARM(x asm.Instruction) {
switch x.Mnemonic {
case asm.CALL:
switch data := x.Data.(type) {
case *asm.Label:
switch x.Type {
case asm.TypeLabel:
label := c.assembler.Param.Label[x.Index]
position := Address(len(c.code))
c.append(arm.Call(0))
@ -25,10 +26,10 @@ func (c *compiler) compileARM(x asm.Instruction) {
}
pointer.Resolve = func() Address {
destination, exists := c.codeLabels[data.Name]
destination, exists := c.codeLabels[label.Name]
if !exists {
panic(fmt.Sprintf("unknown jump label %s", data.Name))
panic(fmt.Sprintf("unknown jump label %s", label.Name))
}
distance := (destination - position) / 4
@ -39,13 +40,16 @@ func (c *compiler) compileARM(x asm.Instruction) {
}
case asm.LABEL:
c.codeLabels[x.Data.(*asm.Label).Name] = Address(len(c.code))
label := c.assembler.Param.Label[x.Index]
c.codeLabels[label.Name] = Address(len(c.code))
c.append(0xa9be7bfd)
c.append(0x910003fd)
case asm.LOAD:
switch operands := x.Data.(type) {
case *asm.MemoryRegister:
switch x.Type {
case asm.TypeMemoryRegister:
operands := c.assembler.Param.MemoryRegister[x.Index]
if operands.Address.OffsetRegister == math.MaxUint8 {
c.append(arm.LoadRegister(operands.Register, operands.Address.Base, int16(operands.Address.Offset), operands.Address.Length))
} else {
@ -55,14 +59,17 @@ func (c *compiler) compileARM(x asm.Instruction) {
}
case asm.MOVE:
switch operands := x.Data.(type) {
case *asm.RegisterRegister:
switch x.Type {
case asm.TypeRegisterRegister:
operands := c.assembler.Param.RegisterRegister[x.Index]
c.append(arm.MoveRegisterRegister(operands.Destination, operands.Source))
case *asm.RegisterNumber:
case asm.TypeRegisterNumber:
operands := c.assembler.Param.RegisterNumber[x.Index]
c.append(arm.MoveRegisterNumber(operands.Register, operands.Number))
case *asm.RegisterLabel:
case asm.TypeRegisterLabel:
operands := c.assembler.Param.RegisterLabel[x.Index]
position := Address(len(c.code))
c.append(arm.LoadAddress(operands.Register, 0))