[gcc(refs/users/meissner/heads/work028)] Revert patch.

[gcc(refs/users/meissner/heads/work028)] Revert patch.

[Michael Meissner]

https://gcc.gnu.org/g:8576ee5421210d55c28dfef7c3fe552765341c34

commit 8576ee5421210d55c28dfef7c3fe552765341c34
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Nov 20 21:51:37 2020 -0500

    Revert patch.
    
    gcc/testsuite/
    2020-11-15  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert.
            PR target/70117
            * gcc.target/powerpc/pr70117.c: Add support for long double being
            IEEE 128-bit.

Diff:
---
 gcc/testsuite/gcc.target/powerpc/pr70117.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/gcc/testsuite/gcc.target/powerpc/pr70117.c b/gcc/testsuite/gcc.target/powerpc/pr70117.c
index 928efe39c7b..3bbd2c595e0 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr70117.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr70117.c
@@ -9,11 +9,9 @@
    128-bit floating point, because the type is not enabled on those
    systems.  */
 #define LDOUBLE __ibm128
-#define IBM128_MAX ((__ibm128) 1.79769313486231580793728971405301199e+308L)
 
 #elif defined(__LONG_DOUBLE_IBM128__)
 #define LDOUBLE long double
-#define IBM128_MAX LDBL_MAX
 
 #else
 #error "long double must be either IBM 128-bit or IEEE 128-bit"
@@ -77,10 +75,10 @@ main (void)
   if (__builtin_isnormal (ld))
     __builtin_abort ();
 
-  ld = IBM128_MAX;
+  ld = LDBL_MAX;
   if (!__builtin_isnormal (ld))
     __builtin_abort ();
-  ld = -IBM128_MAX;
+  ld = -LDBL_MAX;
   if (!__builtin_isnormal (ld))
     __builtin_abort ();

[gcc(refs/users/meissner/heads/work028)] Revert patch.

[Michael Meissner]

https://gcc.gnu.org/g:b4d793468f0bdab76f69efdead20f7dd8f3b644a

commit b4d793468f0bdab76f69efdead20f7dd8f3b644a
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Nov 20 22:26:21 2020 -0500

    Revert patch.
    
    gcc/testsuite/
    2020-11-17  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert patch.
            * c-c++-common/dfp/convert-bfp-11.c: Require IBM 128-bit long
            double.
            * lib/target-supports.exp (check_ppc_long_double_ibm): New
            function.
            (is-effective-target): Add ppc_long_double_ibm.

Diff:
---
 gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c |  1 -
 gcc/testsuite/lib/target-supports.exp           | 19 -------------------
 2 files changed, 20 deletions(-)

diff --git a/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c b/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c
index 87f6716afb3..95c433d2c24 100644
--- a/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c
+++ b/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c
@@ -1,5 +1,4 @@
 /* { dg-skip-if "" { ! "powerpc*-*-linux*" } } */
-/* { dg-require-effective-target ppc_long_double_ibm } */
 
 /* Test decimal float conversions to and from IBM 128-bit long double. 
    Checks are skipped at runtime if long double is not 128 bits.
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index cac5a86671a..22acda2a74f 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2336,24 +2336,6 @@ proc check_effective_target_ppc_ieee128_ok { } {
     }]
 }
 
-# Return 1 if the target is a powerpc with the long double format uses the IBM
-# extended double format.
-
-proc check_ppc_long_double_ibm { } {
-    return [check_cached_effective_target ppc_long_double_ibm {
-	check_runtime_nocache ppc_long_double_ibm {
-	    int main()
-	    {
-	      #ifndef __LONG_DOUBLE_IBM128__
-		return 1;
-	      #else
-		return 0;
-	      #endif
-	    }
-	}
-    }]
-}
-
 # Return 1 if the target supports executing VSX instructions, 0
 # otherwise.  Cache the result.
 
@@ -7957,7 +7939,6 @@ proc is-effective-target { arg } {
 	  "power10_hw"     { set selected [check_power10_hw_available] }
 	  "ppc_float128_sw" { set selected [check_ppc_float128_sw_available] }
 	  "ppc_float128_hw" { set selected [check_ppc_float128_hw_available] }
-	  "ppc_long_double_ibm" { set selected [check_ppc_long_double_ibm] }
 	  "ppc_recip_hw"   { set selected [check_ppc_recip_hw_available] }
 	  "ppc_cpu_supports_hw" { set selected [check_ppc_cpu_supports_hw_available] }
 	  "ppc_mma_hw"     { set selected [check_ppc_mma_hw_available] }

[gcc(refs/users/meissner/heads/work028)] Revert patch.

[Michael Meissner]

https://gcc.gnu.org/g:618f87534e0058e9dd367ca5bff095459238afa4

commit 618f87534e0058e9dd367ca5bff095459238afa4
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Nov 20 22:24:54 2020 -0500

    Revert patch.
    
    gcc/testsuite/
    2020-11-15  Michael Meissner  <meissner@linux.ibm.com>
    
            Revert
            PR target/70117
            * gcc.target/powerpc/pr70117.c: Add support for long double being
            IEEE 128-bit.

Diff:
---
 gcc/testsuite/gcc.target/powerpc/pr70117.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/gcc/testsuite/gcc.target/powerpc/pr70117.c b/gcc/testsuite/gcc.target/powerpc/pr70117.c
index 78e5784b405..3bbd2c595e0 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr70117.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr70117.c
@@ -9,12 +9,9 @@
    128-bit floating point, because the type is not enabled on those
    systems.  */
 #define LDOUBLE __ibm128
-#define IBM128_MAX (((long double) 0x1.fffffffffffffp+1023)		\
-		    + ((long double) 0x1.ffffffffffffep+969));
 
 #elif defined(__LONG_DOUBLE_IBM128__)
 #define LDOUBLE long double
-#define IBM128_MAX LDBL_MAX
 
 #else
 #error "long double must be either IBM 128-bit or IEEE 128-bit"
@@ -78,10 +75,10 @@ main (void)
   if (__builtin_isnormal (ld))
     __builtin_abort ();
 
-  ld = IBM128_MAX;
+  ld = LDBL_MAX;
   if (!__builtin_isnormal (ld))
     __builtin_abort ();
-  ld = -IBM128_MAX;
+  ld = -LDBL_MAX;
   if (!__builtin_isnormal (ld))
     __builtin_abort ();