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author | geoffk <geoffk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-08-02 00:53:59 +0000 |
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committer | geoffk <geoffk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-08-02 00:53:59 +0000 |
commit | efc2922d7c58278878cd89408050d4c7a9c0df4c (patch) | |
tree | 51e7cfa73194f407e18d5c607f8f9f28b8c01196 /gcc/cppmacro.c | |
parent | 8c75b6d416f92cf7fe17d6762d4c988de29e6dc3 (diff) | |
download | ppe42-gcc-efc2922d7c58278878cd89408050d4c7a9c0df4c.tar.gz ppe42-gcc-efc2922d7c58278878cd89408050d4c7a9c0df4c.zip |
* rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
* rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
* flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
insns if they have a REG_MAYBE_DEAD note attached.
* config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
(rs6000_emit_load_toc_table): TOC loads may go dead.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35414 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cppmacro.c')
0 files changed, 0 insertions, 0 deletions