Integer add with carry instructions.

Integer addition with carry in/out/both.
2016-09-23 13:32:26 -07:00
parent acf41a7c09
commit b1bd3140db
7 changed files with 103 additions and 6 deletions
--- a/meta/cretonne/formats.py
+++ b/meta/cretonne/formats.py
@@ -30,6 +30,10 @@ BinaryOverflow = InstructionFormat(value, value, multiple_results=True)
 # The fma instruction has the same constraint on all inputs.
 Ternary = InstructionFormat(value, value, value, typevar_operand=1)

+# Carry in *and* carry out for `iadd_carry` and friends.
+TernaryOverflow = InstructionFormat(
+        value, value, value, multiple_results=True, boxed_storage=True)
+
 InsertLane = InstructionFormat(value, ('lane', uimm8), value)
 ExtractLane = InstructionFormat(value, ('lane', uimm8))