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| author | Franz Sirl <Franz.Sirl-kernel@lauterbach.com> | 2001-01-08 01:07:31 +0000 |
|---|---|---|
| committer | Franz Sirl <sirl@gcc.gnu.org> | 2001-01-08 01:07:31 +0000 |
| commit | a701949a727ff74cd907540c5a8f28a5204bba4e (patch) | |
| tree | bfbaaae5a31ab8a3e3280e6cecf3e872280db3c1 | |
| parent | 6a9d31a7d48bbae78a24a1395199d5c4c048d642 (diff) | |
| download | gcc-a701949a727ff74cd907540c5a8f28a5204bba4e.zip gcc-a701949a727ff74cd907540c5a8f28a5204bba4e.tar.gz gcc-a701949a727ff74cd907540c5a8f28a5204bba4e.tar.bz2 | |
rs6000.h (EPILOGUE_USES): New, mark link register after reload.
2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
after reload.
From-SVN: r38790
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a9c499a..53aa753 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register + after reload. + 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * builtins.def (BUILT_IN_FPRINTF): New entry. diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index af4d486..d6c24aa 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -1559,6 +1559,14 @@ typedef struct rs6000_args its backpointer, which we maintain. */ #define EXIT_IGNORE_STACK 1 +/* Define this macro as a C expression that is nonzero for registers + that are used by the epilogue or the return' pattern. The stack + and frame pointer registers are already be assumed to be used as + needed. */ + +#define EPILOGUE_USES(REGNO) \ + (reload_completed && (REGNO) == LINK_REGISTER_REGNUM) + /* This macro generates the assembly code for function exit, on machines that need it. If FUNCTION_EPILOGUE is not defined then individual return instructions are generated for each |