* config.gcc (powerpc*-*-*, rs6000-*-*-*): Don't bother including

	softfloat.h.
	* config/rs6000/vxppc.h (CPP_ENDIAN_BIG_SPEC): Delete.
	(CPP_ENDIAN_LITTLE_SPEC): Delete.
	* config/rs6000/sysv4le.h (CPP_ENDIAN_DEFAULT_SPEC): Delete.
	* config/rs6000/sysv4.h (CPP_SYSV_SPEC): Delete _SOFT_FLOAT setting,
	__LONG_DOUBLE_128__ setting, _CALL_* setting.
	(CPP_DEFAULT_SPEC): Delete.
	(CPP_FLOAT_DEFAULT_SPEC): Delete.
	(CPP_LONGDOUBLE_DEFAULT_SPEC): Delete.
	(CPP_SYSV_DEFAULT_SPEC): Delete.
	(CPP_ENDIAN_BIG_SPEC): Delete.
	(CPP_ENDIAN_LITTLE_SPEC): Delete.
	(CPP_ENDIAN_SPEC): Delete.
	(CPP_SPEC): Don't include cpp_endian, cpp_cpu.
	(SUBTARGET_EXTRA_SPECS): Delete cpp_sysv_default, cpp_endian_default,
	cpp_endian, cpp_endian_big, cpp_endian_little, cpp_float_default,
	cpp_longdouble_default.
	* config/rs6000/softfloat.h: Delete.
	* config/rs6000/rs6000.h (CPP_CPU_SPEC): Delete.
	(EXTRA_SPECS): Delete cpp_cpu.
	(TARGET_CPU_CPP_BUILTINS): New.
	* config/rs6000/rs6000-protos.h (rs6000_cpu_cpp_builtins): New
	prototype.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): New.
	* config/rs6000/linux64.h (CPP_PREDEFINES): Remove endianness defines.
	(CPP_DEFAULT_SPEC): Delete.
	* config/rs6000/eabiaix.h (CPP_SYSV_DEFAULT_SPEC): Delete.
	* config/rs6000/darwin.h (CPP_PREDEFINES): Don't define __BIG_ENDIAN__.
	* config/rs6000/beos.h (CPP_SPEC): Remove cpp_cpu.
	(CPP_DEFAULT_SPEC): Delete.
	* config/rs6000/aix51.h (CPP_SPEC): Remove cpp_cpu, -D_ARCH_PPC.
	(CPLUSPLUS_CPP_SPEC): Likewise.
	(CPP_CPU_SPEC): Delete.
	(CPP_DEFAULT_SPEC): Delete.
	* config/rs6000/aix43.h (CPP_SPEC): Remove cpp_cpu, -D_ARCH_PPC.
	(CPLUSPLUS_CPP_SPEC): Likewise.
	(CPP_CPU_SPEC): Delete.
	(CPP_DEFAULT_SPEC): Delete.
	* config/rs6000/aix41.h (CPP_SPEC): Remove cpp_cpu.
	(CPP_DEFAULT_SPEC): Delete.
	* config/rs6000/aix.h (CPP_SPEC): Remove cpp_cpu.
	(CPP_DEFAULT_SPEC): Delete.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54534 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 58 insertions, 0 deletions

diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 15cd5a6c338..ab31cc58f7c 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -69,3 +69,61 @@ rs6000_pragma_longcall (pfile)
 
   rs6000_default_long_calls = (n == integer_one_node);
 }
+
+/* Handle defining many CPP flags based on TARGET_xxx.  As a general
+   policy, rather than trying to guess what flags a user might want a
+   #define for, it's better to define a flag for everything.  */
+
+#define builtin_define(TXT) cpp_define (pfile, TXT)
+#define builtin_assert(TXT) cpp_assert (pfile, TXT)
+
+void
+rs6000_cpu_cpp_builtins (pfile)
+     cpp_reader *pfile;
+{
+  if (TARGET_POWER2)
+    builtin_define ("_ARCH_PWR2");
+  else if (TARGET_POWER)
+    builtin_define ("_ARCH_PWR");
+  if (TARGET_POWERPC)
+    builtin_define ("_ARCH_PPC");
+  if (TARGET_POWERPC64)
+    builtin_define ("_ARCH_PPC64");
+  if (! TARGET_POWER && ! TARGET_POWER2 && ! TARGET_POWERPC)
+    builtin_define ("_ARCH_COM");
+  if (TARGET_ALTIVEC)
+    builtin_define ("__ALTIVEC__");
+  if (TARGET_SOFT_FLOAT)
+    builtin_define ("_SOFT_FLOAT");
+  if (BYTES_BIG_ENDIAN)
+    {
+      builtin_define ("__BIG_ENDIAN__");
+      builtin_define ("_BIG_ENDIAN");
+      builtin_assert ("machine=bigendian");
+    }
+  else
+    {
+      builtin_define ("__LITTLE_ENDIAN__");
+      builtin_define ("_LITTLE_ENDIAN");
+      builtin_assert ("machine=littleendian");
+    }
+  if (TARGET_LONG_DOUBLE_128)
+    builtin_define ("__LONG_DOUBLE_128__");
+
+  switch (rs6000_current_abi)
+    {
+    case ABI_V4:
+      builtin_define ("_CALL_SYSV");
+      break;
+    case ABI_AIX_NODESC:
+      builtin_define ("_CALL_AIX");
+      break;
+    case ABI_AIX:
+      builtin_define ("_CALL_AIXDESC");
+      builtin_define ("_CALL_AIX");
+      break;
+    case ABI_DARWIN:
+      builtin_define ("_CALL_DARWIN");
+      break;
+    }
+}