[gcc(refs/users/meissner/heads/work078)] Revert patch.

[Michael Meissner]

https://gcc.gnu.org/g:aefa2b5452ec2d9abb80abd70061fc6a2f95c644

commit aefa2b5452ec2d9abb80abd70061fc6a2f95c644
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Wed Feb 16 15:23:32 2022 -0500

    Revert patch.
    
    Define __SIZEOF_FLOAT128__ and __SIZEOF_IBM128__.
    
    Define the sizes of the PowerPC specific types __float128 and __ibm128 if those
    types are enabled.
    
    2022-02-16  Michael Meissner  <meissner@the-meissners.org>
    
    gcc/
            Revert patch.
            PR target/99708
            * config/rs6000/rs6000-c.cc (rs6000_cpu_cpp_builtins): Define
            __SIZEOF_IBM128__ if the IBM 128-bit long double type is created.
            Define __SIZEOF_FLOAT128__ if we have float128 support.
    
    gcc/testsuite/
            Revert patch.
            PR target/99708
            * gcc.target/powerpc/pr99708.c: New test.

Diff:
---
 gcc/config/rs6000/rs6000-c.cc              |  7 +------
 gcc/testsuite/gcc.target/powerpc/pr99708.c | 21 ---------------------
 2 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc
index 17f3d1d92eb..15251efc209 100644
--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -622,13 +622,8 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile)
     builtin_define ("__RSQRTE__");
   if (TARGET_FRSQRTES)
     builtin_define ("__RSQRTEF__");
-  if (ibm128_float_type_node)
-    builtin_define ("__SIZEOF_IBM128__");
   if (TARGET_FLOAT128_TYPE)
-    {
-      builtin_define ("__FLOAT128_TYPE__");
-      builtin_define ("__SIZEOF_FLOAT128__=16");
-    }
+    builtin_define ("__FLOAT128_TYPE__");
 #ifdef TARGET_LIBC_PROVIDES_HWCAP_IN_TCB
   builtin_define ("__BUILTIN_CPU_SUPPORTS__");
 #endif
diff --git a/gcc/testsuite/gcc.target/powerpc/pr99708.c b/gcc/testsuite/gcc.target/powerpc/pr99708.c
deleted file mode 100644
index d478f7bc4c0..00000000000
--- a/gcc/testsuite/gcc.target/powerpc/pr99708.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* { dg-do run } */
-/* { require-effective-target ppc_float128_sw } */
-/* { dg-options "-O2 -mvsx -mfloat128" } */
-
-/*
- * PR target/99708
- *
- * Verify that __SIZEOF_FLOAT128__ and __SIZEOF_IBM128__ are properly defined.
- */
-
-#include <stdlib.h>
-
-int main (void)
-{
-  if (__SIZEOF_FLOAT128__ != sizeof (__float128)
-      || __SIZEOF_IBM128__ != sizeof (__ibm128))
-    abort ();
-
-  return 0;
-}
-