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Re: [patch] Stabilize store motion


On Thu, May 12, 2005 at 07:46:21PM +0200, Zdenek Dvorak wrote:

> This patch makes us use a fixed order instead, which should
> help (hopefully, I was not able to reproduce the failure, so I
> could not verify the patch fixes the problem).
> 
It fixes the bootstrap failure I was having on the small memory
x86 box (the big memory box was working fine, and that may have
been the difference).

> 	* tree-ssa-loop-im.c (struct mem_ref): Add field "next".
> 	(struct hmr_data, hoist_memory_reference, memref_del,
> 	struct fmrv_data): Removed.
> 	(hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
> 	(gather_mem_refs, gather_mem_refs_stmt): Add new references to the
> 	list.
> 	(find_more_ref_vops): Traverse the list of memory references.
> 	(determine_lsm_loop): Work with the list of memory references instead
> 	of traversing the hashtable.
> 
OK.


Diego.


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