Add configuration-specific options for --target=powerpc-xilinx-eabi.

From-SVN: r146016

gcc/ChangeLog

+2009-04-13  Michael Eager <eager@eagercon.com>
+
+	* config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
+	_XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
+	* config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
+	* config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
+	remove duplicate config
+
 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 
 	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump

gcc/config.gcc

@@ -1775,7 +1775,7 @@ powerpc-*-eabialtivec*)
 	use_gcc_stdint=wrap
 	;;
 powerpc-xilinx-eabi*)
-	tm_file="${tm_file} dbxelf.h elfos.h usegas.h svr4.h freebsd-spec.h newlib-stdint.h rs6000/sysv4.h rs6000/eabi.h rs6000/singlefp.h"
+	tm_file="${tm_file} dbxelf.h elfos.h usegas.h svr4.h freebsd-spec.h newlib-stdint.h rs6000/sysv4.h rs6000/eabi.h rs6000/singlefp.h rs6000/xfpu.h rs6000/xilinx.h"
 	extra_options="${extra_options} rs6000/sysv4.opt"
 	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcgas rs6000/t-ppccomm"
 	use_gcc_stdint=wrap
@@ -1899,12 +1899,6 @@ powerpcle-*-eabi*)
 	extra_options="${extra_options} rs6000/sysv4.opt"
 	use_gcc_stdint=wrap
 	;;
-powerpc-xilinx-eabi*)
- 	tm_file="${tm_file} dbxelf.h elfos.h usegas.h svr4.h freebsd-spec.h newlib-stdint.h rs6000/sysv4.h rs6000/eabi.h rs6000/singlefp.h rs6000/xfpu.h"
-  	extra_options="${extra_options} rs6000/sysv4.opt"
-  	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcgas rs6000/t-ppccomm"
-	use_gcc_stdint=wrap
-  	;;
 rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*)
 	tm_file="rs6000/biarch64.h ${tm_file} rs6000/aix.h rs6000/aix43.h rs6000/xcoff.h rs6000/aix-stdint.h"
 	tmake_file=rs6000/t-aix43

gcc/config/rs6000/rs6000-c.c

@@ -347,6 +347,26 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfile)
   /* Let the compiled code know if 'f' class registers will not be available.  */
   if (TARGET_SOFT_FLOAT || !TARGET_FPRS)
     builtin_define ("__NO_FPRS__");
+
+  /* Generate defines for Xilinx FPU. */
+  if (rs6000_xilinx_fpu) 
+    {
+      builtin_define ("_XFPU");
+      if (rs6000_single_float && ! rs6000_double_float)
+	{
+	  if (rs6000_simple_fpu) 
+	    builtin_define ("_XFPU_SP_LITE"); 
+	  else 
+	    builtin_define ("_XFPU_SP_FULL");
+	}
+      if (rs6000_double_float)
+	{
+	  if (rs6000_simple_fpu) 
+	    builtin_define ("_XFPU_DP_LITE");
+	  else
+	    builtin_define ("_XFPU_DP_FULL");
+        }
+    }
 }