[gcc/devel/c++-coroutines] pa.md: Revert change to use ordered_comparison_operator instead of...

[Iain D Sandoe]

https://gcc.gnu.org/g:cf319b3f5455df7fd97f213d8cf251492eea3bae

commit cf319b3f5455df7fd97f213d8cf251492eea3bae
Author: John David Anglin <danglin@gcc.gnu.org>
Date:   Mon Jan 6 23:48:42 2020 +0000

    pa.md: Revert change to use ordered_comparison_operator instead of...
    
    	* config/pa/pa.md: Revert change to use ordered_comparison_operator
    	instead of cmpib_comparison_operator in cmpib patterns.
    	* config/pa/predicates.md (cmpib_comparison_operator): Revert removal
    	of cmpib_comparison_operator.  Revise comment.
    
    From-SVN: r279927

Diff:
---
 gcc/ChangeLog               | 7 +++++++
 gcc/config/pa/pa.md         | 4 ++--
 gcc/config/pa/predicates.md | 6 ++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 80ace59..1ba98e4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
+
+	* config/pa/pa.md: Revert change to use ordered_comparison_operator
+	instead of cmpib_comparison_operator in cmpib patterns.
+	* config/pa/predicates.md (cmpib_comparison_operator): Revert removal
+	of cmpib_comparison_operator.  Revise comment.
+
 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index c2fa44c..6350c68 100644
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -1524,7 +1524,7 @@
 (define_insn ""
   [(set (pc)
 	(if_then_else
-	 (match_operator 3 "ordered_comparison_operator"
+	 (match_operator 3 "cmpib_comparison_operator"
 			 [(match_operand:DI 1 "reg_or_0_operand" "rM")
 			  (match_operand:DI 2 "arith5_operand" "rL")])
 	 (label_ref (match_operand 0 "" ""))
@@ -1553,7 +1553,7 @@
 (define_insn ""
   [(set (pc)
 	(if_then_else
-	 (match_operator 3 "ordered_comparison_operator"
+	 (match_operator 3 "cmpib_comparison_operator"
 			 [(match_operand:DI 1 "reg_or_0_operand" "rM")
 			  (match_operand:DI 2 "arith5_operand" "rL")])
 	 (pc)
diff --git a/gcc/config/pa/predicates.md b/gcc/config/pa/predicates.md
index 424a3b9..42a236c 100644
--- a/gcc/config/pa/predicates.md
+++ b/gcc/config/pa/predicates.md
@@ -662,6 +662,12 @@
   (and (match_code "symbol_ref")
        (match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
 
+;; True iff OP is an operator suitable for use in a double-word cmpib
+;; instruction.
+
+(define_predicate "cmpib_comparison_operator"
+  (match_code "eq,ne,lt,le,leu,gt,gtu,ge"))
+
 ;; True iff OP is an operator suitable for use in a movb instruction.
 
 (define_predicate "movb_comparison_operator"