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🌱 A minimal programming language and compiler. git.urbach.dev/cli/q
high-performance programming-language compiler
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import ( "testing"
"git.urbach.dev/cli/q/src/arm" "git.urbach.dev/cli/q/src/cpu" "git.urbach.dev/go/assert")
func TestMulRegisterRegister(t *testing.T) { usagePatterns := []struct { Destination cpu.Register Source cpu.Register Operand cpu.Register Code uint32 }{ {arm.X0, arm.X1, arm.X2, 0x9B027C20}, }
for _, pattern := range usagePatterns { t.Logf("mul %s, %s, %s", pattern.Destination, pattern.Source, pattern.Operand) code := arm.MulRegisterRegister(pattern.Destination, pattern.Source, pattern.Operand) assert.Equal(t, code, pattern.Code) }}
func TestMultiplySubtract(t *testing.T) { usagePatterns := []struct { Destination cpu.Register Source cpu.Register Operand cpu.Register Extra cpu.Register Code uint32 }{ {arm.X0, arm.X1, arm.X2, arm.X3, 0x9B028C20}, {arm.X3, arm.X0, arm.X2, arm.X1, 0x9B028403}, }
for _, pattern := range usagePatterns { t.Logf("msub %s, %s, %s, %s", pattern.Destination, pattern.Source, pattern.Operand, pattern.Extra) code := arm.MultiplySubtract(pattern.Destination, pattern.Source, pattern.Operand, pattern.Extra) assert.Equal(t, code, pattern.Code) }}