re PR target/20813 (ICE in gen_reg_rtx for 3 spec tests)

	PR target/20813
	* config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
	* config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
	rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
	(rs6000_init_libfuncs): Set TFmode optabs to xlq names if
	TARGET_XL_COMPAT.
	* doc/invoke.texi (PowerPC options): Change rs64a to rs64.

From-SVN: r98562

gcc/ChangeLog

+2005-04-22 David Edelsohn  <edelsohn@gnu.org>
+
+	PR target/20813
+	* config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
+	* config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
+	rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
+	(rs6000_init_libfuncs): Set TFmode optabs to xlq names if
+	TARGET_XL_COMPAT.
+	* doc/invoke.texi (PowerPC options): Change rs64a to rs64.
+
 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).

gcc/config/rs6000/default64.h

@@ -21,4 +21,5 @@ Boston, MA 02111-1307, USA.  */
 
 #undef TARGET_DEFAULT
 #define TARGET_DEFAULT \
-  (MASK_POWERPC | MASK_POWERPC64 | MASK_64BIT | MASK_NEW_MNEMONICS)
+  (MASK_POWERPC | MASK_PPC_GFXOPT | \
+   MASK_POWERPC64 | MASK_64BIT | MASK_NEW_MNEMONICS)

gcc/config/rs6000/rs6000.c

@@ -1161,14 +1161,15 @@ rs6000_override_options (const char *default_cpu)
 	  POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_MFCRF | MASK_POWERPC64},
 	 {"powerpc", PROCESSOR_POWERPC, POWERPC_BASE_MASK},
 	 {"powerpc64", PROCESSOR_POWERPC64,
-	  POWERPC_BASE_MASK | MASK_POWERPC64},
+	  POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_POWERPC64},
 	 {"rios", PROCESSOR_RIOS1, MASK_POWER | MASK_MULTIPLE | MASK_STRING},
 	 {"rios1", PROCESSOR_RIOS1, MASK_POWER | MASK_MULTIPLE | MASK_STRING},
 	 {"rios2", PROCESSOR_RIOS2,
 	  MASK_POWER | MASK_POWER2 | MASK_MULTIPLE | MASK_STRING},
 	 {"rsc", PROCESSOR_PPC601, MASK_POWER | MASK_MULTIPLE | MASK_STRING},
 	 {"rsc1", PROCESSOR_PPC601, MASK_POWER | MASK_MULTIPLE | MASK_STRING},
-	 {"rs64a", PROCESSOR_RS64A, POWERPC_BASE_MASK | MASK_POWERPC64},
+	 {"rs64", PROCESSOR_RS64A,
+	  POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_POWERPC64}
       };
 
   const size_t ptt_size = ARRAY_SIZE (processor_target_table);
@@ -8139,11 +8140,21 @@ rs6000_init_libfuncs (void)
 	  set_conv_libfunc (ufix_optab, SImode, TFmode, "_quitrunc");
 	}
 
-      /* Standard AIX/Darwin/64-bit SVR4 quad floating point routines.  */
-      set_optab_libfunc (add_optab, TFmode, "__gcc_qadd");
-      set_optab_libfunc (sub_optab, TFmode, "__gcc_qsub");
-      set_optab_libfunc (smul_optab, TFmode, "__gcc_qmul");
-      set_optab_libfunc (sdiv_optab, TFmode, "__gcc_qdiv");
+      /* AIX/Darwin/64-bit Linux quad floating point routines.  */
+      if (!TARGET_XL_COMPAT)
+	{
+	  set_optab_libfunc (add_optab, TFmode, "__gcc_qadd");
+	  set_optab_libfunc (sub_optab, TFmode, "__gcc_qsub");
+	  set_optab_libfunc (smul_optab, TFmode, "__gcc_qmul");
+	  set_optab_libfunc (sdiv_optab, TFmode, "__gcc_qdiv");
+	}
+      else
+	{
+	  set_optab_libfunc (add_optab, TFmode, "_xlqadd");
+	  set_optab_libfunc (sub_optab, TFmode, "_xlqsub");
+	  set_optab_libfunc (smul_optab, TFmode, "_xlqmul");
+	  set_optab_libfunc (sdiv_optab, TFmode, "_xlqdiv");
+	}
     }
   else
     {

gcc/doc/invoke.texi

@@ -10565,7 +10565,7 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
 @samp{860}, @samp{970}, @samp{8540}, @samp{common}, @samp{ec603e}, @samp{G3},
 @samp{G4}, @samp{G5}, @samp{power}, @samp{power2}, @samp{power3},
 @samp{power4}, @samp{power5}, @samp{powerpc}, @samp{powerpc64},
-@samp{rios}, @samp{rios1}, @samp{rios2}, @samp{rsc}, and @samp{rs64a}.
+@samp{rios}, @samp{rios1}, @samp{rios2}, @samp{rsc}, and @samp{rs64}.
 
 @option{-mcpu=common} selects a completely generic processor.  Code
 generated under this option will run on any POWER or PowerPC processor.