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reg: support for register casting

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Adds methods for referencing sub- or super-registers. For example, for
general purpose registers you can now reference As8(), As16(), ... and
for vector AsX(), AsY(), AsZ().

Closes #1
This commit is contained in:
Michael McLoughlin
2018-12-30 18:40:45 -08:00
parent 4644d996ee
commit 18cdf50d7c
16 changed files with 558 additions and 244 deletions
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10
reg/set_test.go
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@@ -4,10 +4,10 @@ import "testing"
func TestSetRegisterIdentity(t *testing.T) {
rs := []Register{
NewVirtual(42, GP, B32),
NewVirtual(43, GP, B32),
NewVirtual(42, SSEAVX, B32),
NewVirtual(42, GP, B64),
NewVirtual(42, KindGP, B32),
NewVirtual(43, KindGP, B32),
NewVirtual(42, KindVector, B32),
NewVirtual(42, KindGP, B64),
AL, AH, CL,
AX, R13W,
EDX, R9L,
@@ -27,7 +27,7 @@ func TestSetRegisterIdentity(t *testing.T) {
}
func TestSetFamilyRegisters(t *testing.T) {
fs := []*Family{GeneralPurpose, SIMD}
fs := []*Family{GeneralPurpose, Vector}
s := NewEmptySet()
expect := 0
for _, f := range fs {