[committed] C-SKY: Add missing builtin defines for soft float abi.

[Xianmiao Qu via Gcc-patches]

The builtin defines for soft float abi are:
'__csky_soft_float_abi__' and '__CSKY_SOFT_FLOAT_ABI__'.

gcc/
        * config/csky/csky.cc (csky_cpu_cpp_builtins): Add builtin
        defines for soft float abi.
---
 gcc/config/csky/csky.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gcc/config/csky/csky.cc b/gcc/config/csky/csky.cc
index b0e50cfef3e..ddc6954dad1 100644
--- a/gcc/config/csky/csky.cc
+++ b/gcc/config/csky/csky.cc
@@ -396,6 +396,11 @@ csky_cpu_cpp_builtins (cpp_reader *pfile)
          builtin_define ("__csky_hard_float_abi__");
          builtin_define ("__CSKY_HARD_FLOAT_ABI__");
        }
+      else
+       {
+         builtin_define ("__csky_soft_float_abi__");
+         builtin_define ("__CSKY_SOFT_FLOAT_ABI__");
+       }
       if (TARGET_SINGLE_FPU)
        {
          builtin_define ("__csky_hard_float_fpu_sf__");
-- 
2.32.1 (Apple Git-133)