cli/q
Code Issues 1 Pull Requests Activity

Implemented array storage

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This commit is contained in:
Eduard Urbach
2024-07-20 17:35:26 +02:00
parent d35c07ed1c
commit 155df7c44c
17 changed files with 150 additions and 45 deletions
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4
src/build/arch/x64/Load.go
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@ -3,6 +3,6 @@ package x64
import "git.akyoto.dev/cli/q/src/build/cpu"
// LoadRegister loads from memory into a register.
func LoadRegister(code []byte, destination cpu.Register, offset byte, numBytes byte, source cpu.Register) []byte {
return memoryAccess(code, 0x8A, 0x8B, source, offset, numBytes, destination)
func LoadRegister(code []byte, destination cpu.Register, offset byte, length byte, source cpu.Register) []byte {
return memoryAccess(code, 0x8A, 0x8B, source, offset, length, destination)
}

6
src/build/arch/x64/Load_test.go
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@ -13,7 +13,7 @@ func TestLoadRegister(t *testing.T) {
Destination cpu.Register
Source cpu.Register
Offset byte
NumBytes byte
Length byte
Code []byte
}{
// No offset
@ -150,8 +150,8 @@ func TestLoadRegister(t *testing.T) {
}
for _, pattern := range usagePatterns {
t.Logf("load %dB %s, [%s+%d]", pattern.NumBytes, pattern.Destination, pattern.Source, pattern.Offset)
code := x64.LoadRegister(nil, pattern.Destination, pattern.Offset, pattern.NumBytes, pattern.Source)
t.Logf("load %dB %s, [%s+%d]", pattern.Length, pattern.Destination, pattern.Source, pattern.Offset)
code := x64.LoadRegister(nil, pattern.Destination, pattern.Offset, pattern.Length, pattern.Source)
assert.DeepEqual(t, code, pattern.Code)
}
}

10
src/build/arch/x64/Store.go
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@ -7,10 +7,10 @@ import (
)
// StoreNumber stores a number into the memory address included in the given register.
func StoreNumber(code []byte, register cpu.Register, offset byte, numBytes byte, number int) []byte {
code = memoryAccess(code, 0xC6, 0xC7, register, offset, numBytes, 0b000)
func StoreNumber(code []byte, register cpu.Register, offset byte, length byte, number int) []byte {
code = memoryAccess(code, 0xC6, 0xC7, register, offset, length, 0b000)
switch numBytes {
switch length {
case 8, 4:
return binary.LittleEndian.AppendUint32(code, uint32(number))
@ -22,6 +22,6 @@ func StoreNumber(code []byte, register cpu.Register, offset byte, numBytes byte,
}
// StoreRegister stores the contents of the `source` register into the memory address included in the given register.
func StoreRegister(code []byte, register cpu.Register, offset byte, numBytes byte, source cpu.Register) []byte {
return memoryAccess(code, 0x88, 0x89, register, offset, numBytes, source)
func StoreRegister(code []byte, register cpu.Register, offset byte, length byte, source cpu.Register) []byte {
return memoryAccess(code, 0x88, 0x89, register, offset, length, source)
}

12
src/build/arch/x64/Store_test.go
View File

@ -12,7 +12,7 @@ func TestStoreNumber(t *testing.T) {
usagePatterns := []struct {
Register cpu.Register
Offset byte
NumBytes byte
Length byte
Number int
Code []byte
}{
@ -150,8 +150,8 @@ func TestStoreNumber(t *testing.T) {
}
for _, pattern := range usagePatterns {
t.Logf("store %dB [%s+%d], %d", pattern.NumBytes, pattern.Register, pattern.Offset, pattern.Number)
code := x64.StoreNumber(nil, pattern.Register, pattern.Offset, pattern.NumBytes, pattern.Number)
t.Logf("store %dB [%s+%d], %d", pattern.Length, pattern.Register, pattern.Offset, pattern.Number)
code := x64.StoreNumber(nil, pattern.Register, pattern.Offset, pattern.Length, pattern.Number)
assert.DeepEqual(t, code, pattern.Code)
}
}
@ -160,7 +160,7 @@ func TestStoreRegister(t *testing.T) {
usagePatterns := []struct {
RegisterTo cpu.Register
Offset byte
NumBytes byte
Length byte
RegisterFrom cpu.Register
Code []byte
}{
@ -298,8 +298,8 @@ func TestStoreRegister(t *testing.T) {
}
for _, pattern := range usagePatterns {
t.Logf("store %dB [%s+%d], %s", pattern.NumBytes, pattern.RegisterTo, pattern.Offset, pattern.RegisterFrom)
code := x64.StoreRegister(nil, pattern.RegisterTo, pattern.Offset, pattern.NumBytes, pattern.RegisterFrom)
t.Logf("store %dB [%s+%d], %s", pattern.Length, pattern.RegisterTo, pattern.Offset, pattern.RegisterFrom)
code := x64.StoreRegister(nil, pattern.RegisterTo, pattern.Offset, pattern.Length, pattern.RegisterFrom)
assert.DeepEqual(t, code, pattern.Code)
}
}