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Fix for SH gcc.c-torture/compile/991229-3.c failure:

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* loop.c (reg_in_basic_block_p): Don't abort when falling through
	to the end of the function.

From-SVN: r32229
This commit is contained in:
J"orn Rennecke 2000-02-28 11:38:10 +00:00 committed by Joern Rennecke
parent 18c038b9ca
commit 035a6890e9
2 changed files with 11 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
* loop.c (reg_in_basic_block_p): Don't abort when falling through
to the end of the function.
2000-02-27 Mark Mitchell <mark@codesourcery.com>
* emit-rtl.c (remove_unncessary_notes): Remove notes for empty

8
gcc/loop.c
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@ -1284,8 +1284,12 @@ reg_in_basic_block_p (insn, reg)
}
}
/* The "last use" doesn't follow the "first use"?? */
abort ();
/* The "last use" that was recorded can't be found after the first
use. This can happen when the last use was deleted while
processing an inner loop, this inner loop was then completely
unrolled, and the outer loop is always exited after the inner loop,
so that everything after the first use becomes a single basic block. */
return 1;
}
/* Compute the benefit of eliminating the insns in the block whose