[gcc(refs/users/meissner/heads/work077)] Revert patch.

[Michael Meissner <meissner@gcc.gnu.org>]

https://gcc.gnu.org/g:cb15f87ef42a151ff287489ff7da1218beddd0b3

commit cb15f87ef42a151ff287489ff7da1218beddd0b3
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Mon Jan 31 15:56:39 2022 -0500

    Revert patch.
    
    2022-01-26  Michael Meissner  <meissner@the-meissners.org>
    
    gcc/
            Revert patch.
            * config/rs6000/rs6000.cc (TARGET_IEEEQUAD_DEFAULT): If the
            compiler used to build the current compiler defaults to IEEE
            128-bit long double,  make that the default for this build.

Diff:
---
 gcc/config/rs6000/rs6000.cc | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 3b4c496df56..666dec694a8 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -91,22 +91,14 @@
      explicitly redefine TARGET_IEEEQUAD and TARGET_IEEEQUAD_DEFAULT to 0, so
      those systems will not pick up this default.  This needs to be after all
      of the include files, so that POWERPC_LINUX and POWERPC_FREEBSD are
-     properly defined.
-
-     If we are being built by a compiler that uses IEEE 128-bit as the default
-     long double and no explicit long double format was selected, then also
-     default long double to IEEE 128-bit.  */
+     properly defined.  */
 #ifndef TARGET_IEEEQUAD_DEFAULT
 #if !defined (POWERPC_LINUX) && !defined (POWERPC_FREEBSD)
 #define TARGET_IEEEQUAD_DEFAULT 1
 #else
-#ifdef __LONG_DOUBLE_IEEE128__
-#define TARGET_IEEEQUAD_DEFAULT 1
-#else
 #define TARGET_IEEEQUAD_DEFAULT 0
 #endif
 #endif
-#endif
 
 /* Don't enable PC-relative addressing if the target does not support it.  */
 #ifndef PCREL_SUPPORTED_BY_OS