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| author | sirl <sirl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-01-08 01:07:31 +0000 |
|---|---|---|
| committer | sirl <sirl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-01-08 01:07:31 +0000 |
| commit | e07cc1193abbf50775e7de2230bd054f3d7b339c (patch) | |
| tree | bfbaaae5a31ab8a3e3280e6cecf3e872280db3c1 | |
| parent | 9ca3c224d830e3b014bc036414d4b9a1af717dcd (diff) | |
| download | ppe42-gcc-e07cc1193abbf50775e7de2230bd054f3d7b339c.tar.gz ppe42-gcc-e07cc1193abbf50775e7de2230bd054f3d7b339c.zip | |
2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
after reload.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38790 138bc75d-0d04-0410-961f-82ee72b054a4
| -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 a9c499a5b17..53aa75358d6 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 af4d4863100..d6c24aacb8f 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 |
