[gcc(refs/users/meissner/heads/work171-bugs)] Do not add -mfloat128 to the tests.

[Michael Meissner via Gcc-cvs]

https://gcc.gnu.org/g:9cbff1336d43a8c13fc6d77ee93d165f6bc86de6

commit 9cbff1336d43a8c13fc6d77ee93d165f6bc86de6
Author: Michael Meissner <meiss...@linux.ibm.com>
Date:   Mon Jul 15 19:06:08 2024 -0400

    Do not add -mfloat128 to the tests.
    
    2024-07-15  Michael Meissner  <meiss...@linux.ibm.com>
    
    gcc/testsuite/
    
            PR target/115800
            PR target/113652
            * lib/target-supports.exp (check_ppc_float128_sw_available): Do not 
add
            -mfloat128 on PowerPC tests.
            (check_ppc_float128_hw_available): Likewise.
            (check_effective_target_ppc_ieee128_ok): Likewise.
            (add_options_for___float128): Likewise.
            (check_effective_target_power10_ok): Likewise.
            (check_effective_target_powerpc_float128_sw_ok): Likewise.
            (check_effective_target_powerpc_float128_hw_ok): Likewise.

Diff:
---
 gcc/testsuite/lib/target-supports.exp | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/gcc/testsuite/lib/target-supports.exp 
b/gcc/testsuite/lib/target-supports.exp
index ca5276873064..8ab8f6a10586 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2979,7 +2979,6 @@ proc check_ppc_float128_sw_available { } {
             || [istarget *-*-darwin*]} {
            expr 0
        } else {
-           set options "-mfloat128"
            check_runtime_nocache ppc_float128_sw_available {
                volatile __float128 x = 1.0q;
                volatile __float128 y = 2.0q;
@@ -3005,7 +3004,7 @@ proc check_ppc_float128_hw_available { } {
             || [istarget *-*-darwin*]} {
            expr 0
        } else {
-           set options "-mfloat128 -mfloat128-hardware -mcpu=power9"
+           set options "-mfloat128-hardware -mcpu=power9"
            check_runtime_nocache ppc_float128_hw_available {
                volatile __float128 x = 1.0q;
                volatile __float128 y = 2.0q;
@@ -3030,7 +3029,6 @@ proc check_effective_target_ppc_ieee128_ok { } {
             || [istarget *-*-vxworks*]} {
            expr 0
        } else {
-           set options "-mfloat128"
            check_runtime_nocache ppc_ieee128_ok {
                int main()
                {
@@ -3946,9 +3944,6 @@ proc check_effective_target___float128 { } {
 }
 
 proc add_options_for___float128 { flags } {
-    if { [istarget powerpc*-*-linux*] } {
-       return "$flags -mfloat128"
-    }
     return "$flags"
 }
 
@@ -7217,8 +7212,9 @@ proc check_effective_target_power10_ok { } {
     }
 }
 
-# Return 1 if this is a PowerPC target supporting -mfloat128 via either
-# software emulation on power7/power8 systems or hardware support on power9.
+# Return 1 if this is a PowerPC target supporting IEEE 128-bit floating point
+# via either software emulation on power7/power8 systems or hardware support on
+# power9.
 
 proc check_effective_target_powerpc_float128_sw_ok { } {
     if { [istarget powerpc*-*-*]
@@ -7234,14 +7230,14 @@ proc check_effective_target_powerpc_float128_sw_ok { } {
                    __float128 z = x + y;
                    return (z == 3.0q);
                }
-           } "-mfloat128"]
+           }]
     } else {
        return 0
     }
 }
 
-# Return 1 if this is a PowerPC target supporting -mfloat128 via hardware
-# support on power9.
+# Return 1 if this is a PowerPC target supporting IEEE 128-bit floating point
+# via hardware support on power9.
 
 proc check_effective_target_powerpc_float128_hw_ok { } {
     if { [istarget powerpc*-*-*]