[PR middle-end/18628] do not fold to label load from tablejump to reg

[Alexandre Oliva]

On Mar 10, 2005, Richard Henderson <rth@gcc.gnu.org> wrote:

> On Wed, Mar 09, 2005 at 07:26:37AM -0300, Alexandre Oliva wrote:
>> +		/* If it's not a REG, the REG_EQUAL note is inappropriate.  */
>> +		if (REG_P (SET_DEST (set)))
>> +		  set_unique_reg_note (insn, REG_EQUAL, label);

> I don't think this is a good idea at all.  This is just
> asking for reload to recreate a reference to the deleted label.

Here's a patch with that bit removed, along with the change in
cse_init that it required.  Ok?

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-- 
Alexandre Oliva             http://www.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}