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Re: [C only] PR4076 -Wunused doesn't warn about static function only called by itself

Mark Mitchell <> writes:

> Joseph S. Myers wrote:
>> On Tue, 19 Jun 2007, Manuel López-Ibáñez wrote:
>>> PING:
>> The C front-end part of this patch is OK.  I can't approve the calls.c 
>> part.
> That part is OK too.

And this fixes the bootstrap failure on ia64.  Installed as obvious.


2007-07-01  Andreas Schwab  <>

	* dwarf2out.c (initial_return_save): Define only if used.

Index: gcc/dwarf2out.c
--- gcc/dwarf2out.c	(revision 126166)
+++ gcc/dwarf2out.c	(working copy)
@@ -347,7 +347,9 @@ static void add_fde_cfi (const char *, d
 static void lookup_cfa_1 (dw_cfi_ref, dw_cfa_location *);
 static void lookup_cfa (dw_cfa_location *);
 static void reg_save (const char *, unsigned, unsigned, HOST_WIDE_INT);
 static void initial_return_save (rtx);
 static HOST_WIDE_INT stack_adjust_offset (rtx);
 static void output_cfi (dw_cfi_ref, dw_fde_ref, int);
 static void output_call_frame_info (int);
@@ -955,6 +957,7 @@ dwarf2out_return_reg (const char *label,
   reg_save (label, DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM (sreg), 0);
 /* Record the initial position of the return address.  RTL is
@@ -1012,6 +1015,7 @@ initial_return_save (rtx rtl)
     reg_save (NULL, DWARF_FRAME_RETURN_COLUMN, reg, offset - cfa.offset);
 /* Given a SET, calculate the amount of stack adjustment it
    contains.  */

Andreas Schwab, SuSE Labs,
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

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