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From: Michael Meissner <meissner@gcc.gnu.org>
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Subject: [gcc(refs/users/meissner/heads/work053)] Fix xxeval predicates.
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https://gcc.gnu.org/g:dccd27046cfcefe92e4d6e7981e90272a309ec07

commit dccd27046cfcefe92e4d6e7981e90272a309ec07
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Mon May 17 21:45:40 2021 -0400

    Fix xxeval predicates.
    
    In doing the patch to move the XX* built-in functions from altivec.md to
    vsx.md, I noticed that the xxeval built-in function used the
    altivec_register_operand predicate.  Since it takes vsx registers, this
    might force the register allocate to issue a move when it could use a
    traditional floating point register.  This patch fixes that.
    
    gcc/
    2021-05-17  Michael Meissner  <meissner@linux.ibm.com>
    
            * config/rs6000/vsx.md (xxeval): Use register_predicate instead of
            altivec_register_predicate.

Diff:
---
 gcc/config/rs6000/vsx.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index a859038d399..15a8c0e22d8 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -6410,9 +6410,9 @@
 ;; XXEVAL built-in function support
 (define_insn "xxeval"
   [(set (match_operand:V2DI 0 "register_operand" "=wa")
-	(unspec:V2DI [(match_operand:V2DI 1 "altivec_register_operand" "wa")
-		      (match_operand:V2DI 2 "altivec_register_operand" "wa")
-		      (match_operand:V2DI 3 "altivec_register_operand" "wa")
+	(unspec:V2DI [(match_operand:V2DI 1 "register_operand" "wa")
+		      (match_operand:V2DI 2 "register_operand" "wa")
+		      (match_operand:V2DI 3 "register_operand" "wa")
 		      (match_operand:QI 4 "u8bit_cint_operand" "n")]
 		     UNSPEC_XXEVAL))]
    "TARGET_POWER10"