commit ea811ce38ae2127554f0aca9cd34aca6e42f814d
Author: Kwok Cheung Yeung <kcy@codesourcery.com>
Date:   Thu Apr 2 07:47:28 2020 -0700

    amdgcn: Support unordered floating-point comparison operators
    
    2020-04-02  Kwok Cheung Yeung  <kcy@codesourcery.com>
    
    	gcc/
    	* config/gcn/gcn.c (print_operand): Handle unordered comparison
    	operators.
    	* config/gcn/predicates.md (gcn_fp_compare_operator): Add unordered
    	comparison operators.

diff --git a/gcc/config/gcn/gcn.c b/gcc/config/gcn/gcn.c
index 12438cf..38b5b98 100644
--- a/gcc/config/gcn/gcn.c
+++ b/gcc/config/gcn/gcn.c
@@ -6007,6 +6007,21 @@ print_operand (FILE *file, rtx x, int code)
 	  case UNORDERED:
 	    s = "_u_";
 	    break;
+	  case UNEQ:
+	    s = "_nlg_";
+	    break;
+	  case UNGE:
+	    s = "_nlt_";
+	    break;
+	  case UNGT:
+	    s = "_nle_";
+	    break;
+	  case UNLE:
+	    s = "_ngt_";
+	    break;
+	  case UNLT:
+	    s = "_nge_";
+	    break;
 	  case LTGT:
 	    s = "_lg_";
 	    break;
diff --git a/gcc/config/gcn/predicates.md b/gcc/config/gcn/predicates.md
index 7bf763a..91e5ca1 100644
--- a/gcc/config/gcn/predicates.md
+++ b/gcc/config/gcn/predicates.md
@@ -165,7 +165,7 @@
   (match_code "eq,ne,gt,ge,lt,le,gtu,geu,ltu,leu"))
 
 (define_predicate "gcn_fp_compare_operator"
-  (match_code "eq,ne,gt,ge,lt,le,gtu,geu,ltu,leu,ordered,unordered,ltgt"))
+  (match_code "eq,ne,gt,ge,lt,le,gtu,geu,ltu,leu,ordered,unordered,uneq,unge,ungt,unle,unlt,ltgt"))
 
 (define_predicate "unary_operator"
   (match_code "not,popcount"))