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| author | Clinton Popetz <cpopetz@cygnus.com> | 2000-02-10 00:20:41 +0000 |
|---|---|---|
| committer | Clinton Popetz <cpopetz@gcc.gnu.org> | 2000-02-09 19:20:41 -0500 |
| commit | 3a75e42e813997b8144619d6031b729690639922 (patch) | |
| tree | 682124d0b741a49426f840f20b828a7a2e83c2a8 /gcc | |
| parent | 7e3b6e312a9f2060a707ab279e236fc464d9f518 (diff) | |
| download | gcc-3a75e42e813997b8144619d6031b729690639922.zip gcc-3a75e42e813997b8144619d6031b729690639922.tar.gz gcc-3a75e42e813997b8144619d6031b729690639922.tar.bz2 | |
function.c (thread_prologue_and_epilogue_insns): Don't delete the edge from a block that both jumps and falls through to the...
* function.c (thread_prologue_and_epilogue_insns): Don't delete
the edge from a block that both jumps and falls through to the
fallthru block.
From-SVN: r31878
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/function.c | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c9a4a9..42cc6b6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2000-02-09 Clinton Popetz <cpopetz@cygnus.com> + + * function.c (thread_prologue_and_epilogue_insns): Don't delete + the edge from a block that both jumps and falls through to the + fallthru block. + 2000-02-09 Scott Bambrough <scottb@netwinder.org> * config/arm/arm.md (movsi): In PIC mode, make sure that a diff --git a/gcc/function.c b/gcc/function.c index 8b97be0..f9d2788 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -6727,6 +6727,12 @@ thread_prologue_and_epilogue_insns (f) continue; if (JUMP_LABEL (jump)) LABEL_NUSES (JUMP_LABEL (jump))--; + + /* If this block has only one successor, it both jumps + and falls through to the fallthru block, so we can't + delete the edge. */ + /*if (bb->succ->succ_next == NULL) + continue;*/ } else continue; |