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-rw-r--r--gcc/ChangeLog3
-rw-r--r--gcc/config/sparc/sparc.h4
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 82f31b6..8fc53ee 100644
--- a/gcc/ChangeLog
+++ b/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
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index 58b465a..b720bf8 100644
--- a/gcc/config/sparc/sparc.h
+++ b/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)