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[Bug middle-end/48043] pr47201: var-tracking loc_order_check fails for type punning examples
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 9 Mar 2011 19:35:08 +0000
- Subject: [Bug middle-end/48043] pr47201: var-tracking loc_order_check fails for type punning examples
- Auto-submitted: auto-generated
- References: <bug-48043-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48043
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-09 19:34:58 UTC ---
bb 2 op 19 insn 30 MO_VAL_SET (concat/u:SF (value/u:SI 12:5945
@0x243ae38/0x2445870)
(reg:SF 17 %f2))
Either we should SUBREG this to the VALUE's mode, or allow different modes. If
we do the latter, then we'll need to SUBREG it at vt_expand_loc_callback time.