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-rw-r--r--tcg/s390x/tcg-target-con-set.h8
-rw-r--r--tcg/s390x/tcg-target.c.inc4
2 files changed, 7 insertions, 5 deletions
diff --git a/tcg/s390x/tcg-target-con-set.h b/tcg/s390x/tcg-target-con-set.h
index cbad91b2b5..9a42037499 100644
--- a/tcg/s390x/tcg-target-con-set.h
+++ b/tcg/s390x/tcg-target-con-set.h
@@ -8,6 +8,9 @@
* C_On_Im(...) defines a constraint set with <n> outputs and <m> inputs.
* Each operand should be a sequence of constraint letters as defined by
* tcg-target-con-str.h; the constraint combination is inclusive or.
+ *
+ * C_Nn_Om_Ik(...) defines a constraint set with <n + m> outputs and <k>
+ * inputs, except that the first <n> outputs must use new registers.
*/
C_O0_I1(r)
C_O0_I2(r, r)
@@ -41,6 +44,5 @@ C_O2_I1(o, m, r)
C_O2_I2(o, m, 0, r)
C_O2_I2(o, m, r, r)
C_O2_I3(o, m, 0, 1, r)
-C_O2_I4(r, r, 0, 1, rA, r)
-C_O2_I4(r, r, 0, 1, ri, r)
-C_O2_I4(r, r, 0, 1, r, r)
+C_N1_O1_I4(r, r, 0, 1, ri, r)
+C_N1_O1_I4(r, r, 0, 1, rA, r)
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
index a878acd8ca..a94f7908d6 100644
--- a/tcg/s390x/tcg-target.c.inc
+++ b/tcg/s390x/tcg-target.c.inc
@@ -3229,11 +3229,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_add2_i32:
case INDEX_op_sub2_i32:
- return C_O2_I4(r, r, 0, 1, ri, r);
+ return C_N1_O1_I4(r, r, 0, 1, ri, r);
case INDEX_op_add2_i64:
case INDEX_op_sub2_i64:
- return C_O2_I4(r, r, 0, 1, rA, r);
+ return C_N1_O1_I4(r, r, 0, 1, rA, r);
case INDEX_op_st_vec:
return C_O0_I2(v, r);