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m68k.c (m68k_use_return_insn): Update comments before function. 

gcc/
	* config/m68k/m68k.c (m68k_use_return_insn): Update comments
	before function.  Extend register save check to include all
	registers, not just integer ones.

From-SVN: r120927
This commit is contained in:
Richard Sandiford 2007-01-18 19:51:47 +00:00 committed by Richard Sandiford
parent a2bda628bf
commit 413ac1b28d
2 changed files with 9 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-01-18 Richard Sandiford <richard@codesourcery.com>
* config/m68k/m68k.c (m68k_use_return_insn): Update comments
before function. Extend register save check to include all
registers, not just integer ones.
2007-01-18 Kazu Hirata <kazu@codesourcery.com>
* config/m68k/m68k-protos.h (use_return_insn): Rename to...

7
gcc/config/m68k/m68k.c
View File

@ -1019,7 +1019,8 @@ m68k_output_function_prologue (FILE *stream,
}
}
/* Return true if this function's epilogue can be output as RTL. */
/* Return true if a simple (return) instruction is sufficient for this
instruction (i.e. if no epilogue is needed). */
bool
m68k_use_return_insn (void)
@ -1027,10 +1028,8 @@ m68k_use_return_insn (void)
if (!reload_completed || frame_pointer_needed || get_frame_size () != 0)
return false;
/* We can output the epilogue as RTL only if no registers need to be
restored. */
m68k_compute_frame_layout ();
return current_frame.reg_no ? false : true;
return current_frame.offset == 0;
}
/* This function generates the assembly code for function exit,