+2003-12-06 Richard Sandiford <rsandifo@redhat.com>
+
+ * varasm.c (incorporeal_function_p): New.
+ (assemble_external): Use it as a filter.
+ * config/mips/mips.c (mips_output_external): Don't check for builtin
+ functions here.
+
2003-12-06 Richard Earnshaw <reanrsha@arm.com>
* arm.md (IOR (COMPARISON) (AND)): New define_splits.
static const char *strip_reg_name (const char *);
static int contains_pointers_p (tree);
+#ifdef ASM_OUTPUT_EXTERNAL
+static bool incorporeal_function_p (tree);
+#endif
static void decode_addr_const (tree, struct addr_const *);
static hashval_t const_desc_hash (const void *);
static int const_desc_eq (const void *, const void *);
}
}
+#ifdef ASM_OUTPUT_EXTERNAL
+/* True if DECL is a function decl for which no out-of-line copy exists.
+ It is assumed that DECL's assembler name has been set. */
+
+static bool
+incorporeal_function_p (tree decl)
+{
+ if (TREE_CODE (decl) == FUNCTION_DECL && DECL_BUILT_IN (decl))
+ {
+ const char *name;
+
+ if (DECL_BUILT_IN_CLASS (decl) == BUILT_IN_NORMAL
+ && DECL_FUNCTION_CODE (decl) == BUILT_IN_ALLOCA)
+ return true;
+
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+ if (strncmp (name, "__builtin_", strlen ("__builtin_")) == 0)
+ return true;
+ }
+ return false;
+}
+#endif
+
/* Output something to declare an external symbol to the assembler.
(Most assemblers don't need this, so we normally output nothing.)
Do nothing if DECL is not external. */
rtx rtl = DECL_RTL (decl);
if (GET_CODE (rtl) == MEM && GET_CODE (XEXP (rtl, 0)) == SYMBOL_REF
- && ! SYMBOL_REF_USED (XEXP (rtl, 0)))
+ && !SYMBOL_REF_USED (XEXP (rtl, 0))
+ && !incorporeal_function_p (decl))
{
/* Some systems do require some output. */
SYMBOL_REF_USED (XEXP (rtl, 0)) = 1;