[gcc(refs/users/aoliva/heads/testme)] use E_*mode instead of just *mode

[Alexandre Oliva]

https://gcc.gnu.org/g:7f7413a3d4417e549272c6f7be70946eeb0a4ae3

commit 7f7413a3d4417e549272c6f7be70946eeb0a4ae3
Author: Alexandre Oliva <oliva@adacore.com>
Date:   Tue Sep 15 15:13:00 2020 -0300

    use E_*mode instead of just *mode
    
    g++ 4.8.5 rejected cases with SFmode and DFmode, presumably due to
    some bug in the constexpr implementation.
    
    for  gcc/ChangeLog
    
            * config/rs6000/rs6000.c (have_compare_and_set_mask): Use
            E_*mode in cases.

Diff:
---
 gcc/config/rs6000/rs6000.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 6d0c5509b0e..b32fe916f09 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -15190,8 +15190,8 @@ have_compare_and_set_mask (machine_mode mode)
 {
   switch (mode)
     {
-    case SFmode:
-    case DFmode:
+    case E_SFmode:
+    case E_DFmode:
       return TARGET_P9_MINMAX;
 
     default: