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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/57098] ICE: in extract_insn, at recog.c:2154 (unrecognizable insn) with -mcmodel=large -msse4 and __builtin_shuffle()
Date: Mon, 29 Apr 2013 15:26:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Keywords: ice-on-valid-code
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X-Bugzilla-Who: ubizjak at gmail dot com
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P3
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X-Bugzilla-Target-Milestone: 4.7.4
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57098

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |ubizjak at gmail dot com
                   |gnu.org                     |
   Target Milestone|---                         |4.7.4

--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2013-04-29 15:26:09 UTC ---
A bunch of validize_mem calls are missing. Patch in testing:

--cut here--
Index: i386.c
===================================================================
--- i386.c      (revision 198401)
+++ i386.c      (working copy)
@@ -20559,7 +20559,7 @@ ix86_expand_vec_perm (rtx operands[])
              vec[i * 2 + 1] = const1_rtx;
            }
          vt = gen_rtx_CONST_VECTOR (maskmode, gen_rtvec_v (w, vec));
-         vt = force_const_mem (maskmode, vt);
+         vt = validize_mem (force_const_mem (maskmode, vt));
          t1 = expand_simple_binop (maskmode, PLUS, t1, vt, t1, 1,
                                    OPTAB_DIRECT);

@@ -20756,7 +20756,7 @@ ix86_expand_vec_perm (rtx operands[])
       for (i = 0; i < 16; ++i)
        vec[i] = GEN_INT (i/e * e);
       vt = gen_rtx_CONST_VECTOR (V16QImode, gen_rtvec_v (16, vec));
-      vt = force_const_mem (V16QImode, vt);
+      vt = validize_mem (force_const_mem (V16QImode, vt));
       if (TARGET_XOP)
        emit_insn (gen_xop_pperm (mask, mask, mask, vt));
       else
@@ -20767,7 +20767,7 @@ ix86_expand_vec_perm (rtx operands[])
       for (i = 0; i < 16; ++i)
        vec[i] = GEN_INT (i % e);
       vt = gen_rtx_CONST_VECTOR (V16QImode, gen_rtvec_v (16, vec));
-      vt = force_const_mem (V16QImode, vt);
+      vt = validize_mem (force_const_mem (V16QImode, vt));
       emit_insn (gen_addv16qi3 (mask, mask, vt));
     }

--cut here--