inst,ir: cancelling inputs (#92)

Adds support for a `CancellingInputs` instruction flag, to indicate cases like `XORQ R10, R10` where the instruction actually does not depend on the value of `R10` at all. Closes #89
2019-07-28 17:58:49 -07:00
parent 8f97788836
commit d43efabdbe
16 changed files with 970 additions and 392 deletions
--- a/internal/load/load.go
+++ b/internal/load/load.go
@@ -362,6 +362,7 @@ func (l Loader) form(opcode string, f opcodesxml.Form) inst.Form {
 		ISA:              isas,
 		Operands:         ops,
 		ImplicitOperands: implicits,
+		CancellingInputs: f.CancellingInputs,
 	}
 }