sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs to gas if it supports .register pseudo.

	* config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
	to gas if it supports .register pseudo.

From-SVN: r32366

gcc/ChangeLog

@@ -34,6 +34,9 @@
 	* config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
 	floating point instructions for epilogue delay.
 
+	* config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
+	to gas if it supports .register pseudo.
+
 2000-03-06  Mark Mitchell  <mark@codesourcery.com>
 
 	* function.c (free_temps_for_rtl_expr): Don't free slots

gcc/config/sparc/sparc.h

@@ -310,7 +310,11 @@ Unrecognized value in TARGET_CPU_DEFAULT.
    This is what GAS uses.  Add %(asm_arch) to ASM_SPEC to enable.  */
 
 #define ASM_ARCH32_SPEC "-32"
+#ifdef HAVE_AS_REGISTER_PSEUDO_OP
+#define ASM_ARCH64_SPEC "-64 -no-undeclared-regs"
+#else
 #define ASM_ARCH64_SPEC "-64"
+#endif
 #define ASM_ARCH_DEFAULT_SPEC \
 (DEFAULT_ARCH32_P ? ASM_ARCH32_SPEC : ASM_ARCH64_SPEC)