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Added more tests

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This commit is contained in:
Eduard Urbach 2024-06-26 12:55:22 +02:00
parent 871ebc147f
commit 47d94acd43
Signed by: eduard
GPG key ID: 49226B848C78F6C8
5 changed files with 116 additions and 38 deletions
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src/build/arch/x64/Move_test.go Normal file
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package x64_test
import (
"testing"
"git.akyoto.dev/cli/q/src/build/arch/x64"
"git.akyoto.dev/cli/q/src/build/cpu"
"git.akyoto.dev/go/assert"
)
func TestMoveRegisterNumber(t *testing.T) {
usagePatterns := []struct {
Register cpu.Register
Number int
Code []byte
}{
{x64.RAX, 0x7FFFFFFF, []byte{0xB8, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RCX, 0x7FFFFFFF, []byte{0xB9, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RDX, 0x7FFFFFFF, []byte{0xBA, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RBX, 0x7FFFFFFF, []byte{0xBB, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RSP, 0x7FFFFFFF, []byte{0xBC, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RBP, 0x7FFFFFFF, []byte{0xBD, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RSI, 0x7FFFFFFF, []byte{0xBE, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.RDI, 0x7FFFFFFF, []byte{0xBF, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R8, 0x7FFFFFFF, []byte{0x41, 0xB8, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R9, 0x7FFFFFFF, []byte{0x41, 0xB9, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R10, 0x7FFFFFFF, []byte{0x41, 0xBA, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R11, 0x7FFFFFFF, []byte{0x41, 0xBB, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R12, 0x7FFFFFFF, []byte{0x41, 0xBC, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R13, 0x7FFFFFFF, []byte{0x41, 0xBD, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R14, 0x7FFFFFFF, []byte{0x41, 0xBE, 0xFF, 0xFF, 0xFF, 0x7F}},
{x64.R15, 0x7FFFFFFF, []byte{0x41, 0xBF, 0xFF, 0xFF, 0xFF, 0x7F}},
}
for _, pattern := range usagePatterns {
t.Logf("mov %s, %x", pattern.Register, pattern.Number)
code := x64.MoveRegisterNumber32(nil, pattern.Register, uint32(pattern.Number))
assert.DeepEqual(t, code, pattern.Code)
}
}
func TestMoveRegisterRegister(t *testing.T) {
usagePatterns := []struct {
Left cpu.Register
Right cpu.Register
Code []byte
}{
{x64.RAX, x64.R15, []byte{0x4C, 0x89, 0xF8}},
{x64.RCX, x64.R14, []byte{0x4C, 0x89, 0xF1}},
{x64.RDX, x64.R13, []byte{0x4C, 0x89, 0xEA}},
{x64.RBX, x64.R12, []byte{0x4C, 0x89, 0xE3}},
{x64.RSP, x64.R11, []byte{0x4C, 0x89, 0xDC}},
{x64.RBP, x64.R10, []byte{0x4C, 0x89, 0xD5}},
{x64.RSI, x64.R9, []byte{0x4C, 0x89, 0xCE}},
{x64.RDI, x64.R8, []byte{0x4C, 0x89, 0xC7}},
{x64.R8, x64.RDI, []byte{0x49, 0x89, 0xF8}},
{x64.R9, x64.RSI, []byte{0x49, 0x89, 0xF1}},
{x64.R10, x64.RBP, []byte{0x49, 0x89, 0xEA}},
{x64.R11, x64.RSP, []byte{0x49, 0x89, 0xE3}},
{x64.R12, x64.RBX, []byte{0x49, 0x89, 0xDC}},
{x64.R13, x64.RDX, []byte{0x49, 0x89, 0xD5}},
{x64.R14, x64.RCX, []byte{0x49, 0x89, 0xCE}},
{x64.R15, x64.RAX, []byte{0x49, 0x89, 0xC7}},
}
for _, pattern := range usagePatterns {
t.Logf("mov %s, %s", pattern.Left, pattern.Right)
code := x64.MoveRegisterRegister64(nil, pattern.Left, pattern.Right)
assert.DeepEqual(t, code, pattern.Code)
}
}