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

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From-SVN: r126170
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Andreas Schwab 2007-07-01 15:28:34 +00:00 committed by Andreas Schwab
parent d4d7f1d1bb
commit 36bd43039b
2 changed files with 8 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2007-07-01 Andreas Schwab <schwab@suse.de>
* dwarf2out.c (initial_return_save): Define only if used.
2007-07-01 Richard Sandiford <richard@codesourcery.com>
Unreverting Richard's Revert of:

4
gcc/dwarf2out.c
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@ -347,7 +347,9 @@ static void add_fde_cfi (const char *, dw_cfi_ref);
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);
#ifdef DWARF2_UNWIND_INFO
static void initial_return_save (rtx);
#endif
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, unsigned int sreg)
reg_save (label, DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM (sreg), 0);
}
#ifdef DWARF2_UNWIND_INFO
/* Record the initial position of the return address. RTL is
INCOMING_RETURN_ADDR_RTX. */
@ -1012,6 +1015,7 @@ initial_return_save (rtx rtl)
if (reg != DWARF_FRAME_RETURN_COLUMN)
reg_save (NULL, DWARF_FRAME_RETURN_COLUMN, reg, offset - cfa.offset);
}
#endif
/* Given a SET, calculate the amount of stack adjustment it
contains. */