[gcc/devel/omp/gcc-12] amdgcn: Fix expansion of builtin for vector fabs operation

[Kwok Yeung <kcy@gcc.gnu.org>]

https://gcc.gnu.org/g:a3c04a367a90597e729874ccadb9ce004d76f515

commit a3c04a367a90597e729874ccadb9ce004d76f515
Author: Kwok Cheung Yeung <kcy@codesourcery.com>
Date:   Tue Nov 1 23:05:44 2022 +0000

    amdgcn: Fix expansion of builtin for vector fabs operation
    
    2022-11-01  Kwok Cheung Yeung  <kcy@codesourcery.com>
    
            * config/gcn/gcn.cc (gcn_expand_builtin_1): Fix expansion of
            GCN_BUILTIN_FABSV.

Diff:
---
 gcc/ChangeLog.omp     | 5 +++++
 gcc/config/gcn/gcn.cc | 4 +---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp
index b636fa5baf4..467a2497fb2 100644
--- a/gcc/ChangeLog.omp
+++ b/gcc/ChangeLog.omp
@@ -1,3 +1,8 @@
+2022-11-01  Kwok Cheung Yeung  <kcy@codesourcery.com>
+
+	* config/gcn/gcn.cc (gcn_expand_builtin_1): Fix expansion of
+	GCN_BUILTIN_FABSV.
+
 2022-11-01  Marcel Vollweiler  <marcel@codesourcery.com>
 
 	* omp-expand-metadirective.cc (omp_expand_metadirective): Add already
diff --git a/gcc/config/gcn/gcn.cc b/gcc/config/gcn/gcn.cc
index d24e7aec9ef..08dd3d618c6 100644
--- a/gcc/config/gcn/gcn.cc
+++ b/gcc/config/gcn/gcn.cc
@@ -4365,13 +4365,11 @@ gcn_expand_builtin_1 (tree exp, rtx target, rtx /*subtarget */ ,
       {
 	if (ignore)
 	  return target;
-	rtx exec = get_exec (-1);
 	rtx arg = force_reg (V64DFmode,
 			     expand_expr (CALL_EXPR_ARG (exp, 0), NULL_RTX,
 					  V64DFmode,
 					  EXPAND_NORMAL));
-	emit_insn (gen_absv64df2_exec
-		   (target, arg, gcn_gen_undef (V64DFmode), exec));
+	emit_insn (gen_absv64df2 (target, arg));
 	return target;
       }
     case GCN_BUILTIN_LDEXPVF: