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| author | Richard Henderson <rth@cygnus.com> | 1998-09-20 16:29:09 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 1998-09-20 16:29:09 -0700 |
| commit | c93b03c2d88093f850864506550044b47bf2ca29 (patch) | |
| tree | 4cedb18879450264fbf3614257344386abf12fe5 /gcc/function.c | |
| parent | 823642df46db733e08f43efa826d71f9281b1317 (diff) | |
| download | gcc-c93b03c2d88093f850864506550044b47bf2ca29.zip gcc-c93b03c2d88093f850864506550044b47bf2ca29.tar.gz gcc-c93b03c2d88093f850864506550044b47bf2ca29.tar.bz2 | |
reload1.c (emit_reload_insns): Accept a new arg for the bb.
* reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
it to update bb boundaries. Update caller.
* function.c (reposition_prologue_and_epilogue_notes): Update
bb boundaries wrt the moved note.
From-SVN: r22507
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/function.c b/gcc/function.c index c75648d..99163e6 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -6239,12 +6239,19 @@ reposition_prologue_and_epilogue_notes (f) && NOTE_LINE_NUMBER (note) == NOTE_INSN_PROLOGUE_END) break; } + next = NEXT_INSN (note); prev = PREV_INSN (note); if (prev) NEXT_INSN (prev) = next; if (next) PREV_INSN (next) = prev; + + /* Whether or not we can depend on basic_block_head, + attempt to keep it up-to-date. */ + if (basic_block_head[0] == note) + basic_block_head[0] = next; + add_insn_after (note, insn); } } @@ -6283,7 +6290,14 @@ reposition_prologue_and_epilogue_notes (f) NEXT_INSN (prev) = next; if (next) PREV_INSN (next) = prev; - add_insn_after (note, PREV_INSN (insn)); + + /* Whether or not we can depend on basic_block_head, + attempt to keep it up-to-date. */ + if (n_basic_blocks + && basic_block_head[n_basic_blocks-1] == insn) + basic_block_head[n_basic_blocks-1] = note; + + add_insn_before (note, insn); } } } |