[gcc r14-8493] gcn/gcn-valu.md: Disable fold_left_plus for TARGET_RDNA2_PLUS [PR113615]

[Tobias Burnus]

https://gcc.gnu.org/g:7cc2262ec9a410dc56d1c1c6b950c922e14f621d

commit r14-8493-g7cc2262ec9a410dc56d1c1c6b950c922e14f621d
Author: Tobias Burnus <tburnus@baylibre.com>
Date:   Mon Jan 29 13:51:25 2024 +0100

    gcn/gcn-valu.md: Disable fold_left_plus for TARGET_RDNA2_PLUS [PR113615]
    
    gcc/ChangeLog:
    
            PR target/113615
            * config/gcn/gcn-valu.md (fold_left_plus_<mode>): Only
            define for !TARGET_RDNA2_PLUS.
    
    Signed-off-by: Tobias Burnus <tburnus@baylibre.com>

Diff:
---
 gcc/config/gcn/gcn-valu.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/config/gcn/gcn-valu.md b/gcc/config/gcn/gcn-valu.md
index cd027f8b3693..23b441f8e8b6 100644
--- a/gcc/config/gcn/gcn-valu.md
+++ b/gcc/config/gcn/gcn-valu.md
@@ -4274,7 +4274,8 @@
  [(match_operand:<SCALAR_MODE> 0 "register_operand")
   (match_operand:<SCALAR_MODE> 1 "gcn_alu_operand")
   (match_operand:V_FP 2 "gcn_alu_operand")]
-  "can_create_pseudo_p ()
+  "!TARGET_RDNA2_PLUS
+   && can_create_pseudo_p ()
    && (flag_openacc || flag_openmp
        || flag_associative_math)"
   {