[gcc(refs/users/marxin/heads/marxin-gcc-benchmark-branch)] Add LTGT operator support for amdgcn

[Martin Liska]

https://gcc.gnu.org/g:59e6d62be2c980adfc375702792afb141a1f1a1b

commit 59e6d62be2c980adfc375702792afb141a1f1a1b
Author: Andrew Stubbs <ams@codesourcery.com>
Date:   Wed Jan 29 11:35:07 2020 +0000

    Add LTGT operator support for amdgcn
    
    Fixes ICE in testcase gcc.dg/pr81228.c
    
    2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
    
            gcc/
            * config/gcn/gcn.c (print_operand): Handle LTGT.
            * config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.

Diff:
---
 gcc/ChangeLog                | 5 +++++
 gcc/config/gcn/gcn.c         | 3 +++
 gcc/config/gcn/predicates.md | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ab1161bf438..7132bf00d0e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
+
+	* config/gcn/gcn.c (print_operand): Handle LTGT.
+	* config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.
+
 2020-01-30  Richard Biener  <rguenther@suse.de>
 
 	* tree-pretty-print.c (dump_generic_node): Wrap VECTOR_CST
diff --git a/gcc/config/gcn/gcn.c b/gcc/config/gcn/gcn.c
index c78df1d5e3e..a39e9f3fbd6 100644
--- a/gcc/config/gcn/gcn.c
+++ b/gcc/config/gcn/gcn.c
@@ -5929,6 +5929,9 @@ print_operand (FILE *file, rtx x, int code)
 	  case UNORDERED:
 	    s = "_u_";
 	    break;
+	  case LTGT:
+	    s = "_lg_";
+	    break;
 	  default:
 	    output_operand_lossage ("invalid %%xn code");
 	    return;
diff --git a/gcc/config/gcn/predicates.md b/gcc/config/gcn/predicates.md
index 2f904b1f131..7bf763a4ba5 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"))
+  (match_code "eq,ne,gt,ge,lt,le,gtu,geu,ltu,leu,ordered,unordered,ltgt"))
 
 (define_predicate "unary_operator"
   (match_code "not,popcount"))