Add Intel encodings for the bint instructions.

Convert b1 to i32 or i64 by zero-extending the byte.
2017-07-19 12:01:28 -07:00
parent 421a88123d
commit 1a662575a5
4 changed files with 40 additions and 0 deletions
--- a/lib/cretonne/meta/isa/intel/recipes.py
+++ b/lib/cretonne/meta/isa/intel/recipes.py
@@ -224,6 +224,14 @@ urm = TailRecipe(
        modrm_rr(in_reg0, out_reg0, sink);
        ''')

+# XX /r. Same as urm, but input limited to ABCD.
+urm_abcd = TailRecipe(
+        'urm_abcd', Unary, size=1, ins=ABCD, outs=GPR,
+        emit='''
+        PUT_OP(bits, rex2(in_reg0, out_reg0), sink);
+        modrm_rr(in_reg0, out_reg0, sink);
+        ''')
+
 # XX /r, for regmove instructions.
 rmov = TailRecipe(
        'ur', RegMove, size=1, ins=GPR, outs=(),