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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
This commit is contained in:
Clinton Popetz 2000-02-10 00:20:41 +00:00 committed by Clinton Popetz
parent 7e3b6e312a
commit 3a75e42e81
2 changed files with 12 additions and 0 deletions
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6
gcc/ChangeLog
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@ -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

6
gcc/function.c
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@ -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;