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diff --git a/openpower/sv/cr_ops.mdwn b/openpower/sv/cr_ops.mdwn
index 942158bc174849f25aba6feab40c0cd9946223ce..9bb7a31b1d847ea2c7c1171ce387a8d4127ee498 100644 (file)
--- a/openpower/sv/cr_ops.mdwn
+++ b/openpower/sv/cr_ops.mdwn
@@ -185,3 +185,8 @@ elements thereafter:
     for i in VL-1 downto 0 # reverse gear
          CR[4+i].ge &= CR[5+i].ge
 
+# cmp and other compare operations
+
+`cmp` and `cmpi` etc take GPRs as sources and create a CR Field as a result.
+With `ELWIDTH_SRC` applying to the source operands this is perfectly fine.
+