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| author | Richard Sandiford <richard@codesourcery.com> | 2007-01-18 19:51:47 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2007-01-18 19:51:47 +0000 |
| commit | 413ac1b28d3047fca4931f002ffa5a5dded32a2c (patch) | |
| tree | dcab30f27c351d477449ab94aff6e8067c573cbf | |
| parent | a2bda628bf32b60322b88d214da6a43fe666ffc7 (diff) | |
| download | gcc-413ac1b28d3047fca4931f002ffa5a5dded32a2c.zip gcc-413ac1b28d3047fca4931f002ffa5a5dded32a2c.tar.gz gcc-413ac1b28d3047fca4931f002ffa5a5dded32a2c.tar.bz2 | |
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
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/m68k/m68k.c | 7 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bea01b0..f7d4ef0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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... diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 1bfa686..a2f9f01 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -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, |