35 lines
884 B
Go
35 lines
884 B
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 TestStoreRegister(t *testing.T) {
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usagePatterns := []struct {
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Source cpu.Register
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Base cpu.Register
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Offset int
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Length byte
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Code uint32
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}{
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{arm.X0, arm.X1, -8, 1, 0x381F8020},
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{arm.X1, arm.X0, -8, 1, 0x381F8001},
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{arm.X0, arm.X1, -8, 2, 0x781F8020},
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{arm.X1, arm.X0, -8, 2, 0x781F8001},
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{arm.X0, arm.X1, -8, 4, 0xB81F8020},
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{arm.X1, arm.X0, -8, 4, 0xB81F8001},
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{arm.X0, arm.X1, -8, 8, 0xF81F8020},
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{arm.X1, arm.X0, -8, 8, 0xF81F8001},
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}
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for _, pattern := range usagePatterns {
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t.Logf("stur %s, [%s, #%d] %db", pattern.Source, pattern.Base, pattern.Offset, pattern.Length)
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code := arm.StoreRegister(pattern.Source, pattern.Base, pattern.Offset, pattern.Length)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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