46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
package arm_test
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import (
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"testing"
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"git.urbach.dev/cli/q/src/arm"
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"git.urbach.dev/cli/q/src/cpu"
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"git.urbach.dev/go/assert"
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)
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func TestMulRegisterRegister(t *testing.T) {
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usagePatterns := []struct {
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Destination cpu.Register
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Source cpu.Register
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Operand cpu.Register
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Code uint32
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}{
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{arm.X0, arm.X1, arm.X2, 0x9B027C20},
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}
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for _, pattern := range usagePatterns {
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t.Logf("mul %s, %s, %s", pattern.Destination, pattern.Source, pattern.Operand)
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code := arm.MulRegisterRegister(pattern.Destination, pattern.Source, pattern.Operand)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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func TestMultiplySubtract(t *testing.T) {
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usagePatterns := []struct {
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Destination cpu.Register
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Source cpu.Register
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Operand cpu.Register
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Extra cpu.Register
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Code uint32
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}{
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{arm.X0, arm.X1, arm.X2, arm.X3, 0x9B028C20},
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{arm.X3, arm.X0, arm.X2, arm.X1, 0x9B028403},
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}
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for _, pattern := range usagePatterns {
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t.Logf("msub %s, %s, %s, %s", pattern.Destination, pattern.Source, pattern.Operand, pattern.Extra)
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code := arm.MultiplySubtract(pattern.Destination, pattern.Source, pattern.Operand, pattern.Extra)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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