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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16
src/asmc/store.go
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@ -9,14 +9,17 @@ import (
)
func (c *compiler) store(x asm.Instruction) {
switch operands := x.Data.(type) {
case *asm.MemoryNumber:
switch x.Type {
case asm.TypeMemoryNumber:
operands := c.assembler.Param.MemoryNumber[x.Index]
if operands.Address.OffsetRegister == math.MaxUint8 {
c.code = x86.StoreNumber(c.code, operands.Address.Base, operands.Address.Offset, operands.Address.Length, operands.Number)
} else {
c.code = x86.StoreDynamicNumber(c.code, operands.Address.Base, operands.Address.OffsetRegister, operands.Address.Length, operands.Number)
}
case *asm.MemoryLabel:
case asm.TypeMemoryLabel:
operands := c.assembler.Param.MemoryLabel[x.Index]
start := len(c.code)
if operands.Address.OffsetRegister == math.MaxUint8 {
@ -27,14 +30,13 @@ func (c *compiler) store(x asm.Instruction) {
size := 4
opSize := len(c.code) - size - start
memLabel := x.Data.(*asm.MemoryLabel)
c.codePointers = append(c.codePointers, &pointer{
Position: Address(len(c.code) - size),
OpSize: uint8(opSize),
Size: uint8(size),
Resolve: func() Address {
destination, exists := c.codeLabels[memLabel.Label]
destination, exists := c.codeLabels[operands.Label]
if !exists {
panic("unknown label")
@ -43,7 +45,9 @@ func (c *compiler) store(x asm.Instruction) {
return config.BaseAddress + c.codeStart + destination
},
})
case *asm.MemoryRegister:
case asm.TypeMemoryRegister:
operands := c.assembler.Param.MemoryRegister[x.Index]
if operands.Address.OffsetRegister == math.MaxUint8 {
c.code = x86.StoreRegister(c.code, operands.Address.Base, operands.Address.Offset, operands.Address.Length, operands.Register)
} else {