[Bug bootstrap/72829] [7 Regression] ICE in extract_constrain_insn, at recog.c:2211 (error: insn does not satisfy its constraints) on 32-bit BE powerpc

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72829

Segher Boessenkool  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 CC||segher at gcc dot gnu.org
 Resolution|--- |DUPLICATE

--- Comment #2 from Segher Boessenkool  ---
This looks to be the same as PR73650 (which has a patch on gcc-patches).  If
not, please reopen.

*** This bug has been marked as a duplicate of bug 73650 ***

[Bug bootstrap/72829] [7 Regression] ICE in extract_constrain_insn, at recog.c:2211 (error: insn does not satisfy its constraints) on 32-bit BE powerpc

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72829

Richard Biener  changed:

   What|Removed |Added

   Target Milestone|--- |7.0

[Bug bootstrap/72829] [7 Regression] ICE in extract_constrain_insn, at recog.c:2211 (error: insn does not satisfy its constraints) on 32-bit BE powerpc

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72829

Arseny Solokha  changed:

   What|Removed |Added

   See Also|https://gcc.gnu.org/bugzill |
   |a/show_bug.cgi?id=69847 |

--- Comment #1 from Arseny Solokha  ---
(In reply to Arseny Solokha from comment #0)
> I believe this could be either a fallout after PR69847, or a result of
> turning LRA on by default.

The latter:

% powerpc-e500v2-linux-gnuspe-gcc-7.0.0-alpha20160731 -c -O2 -mlra -o tt tt.c 
tt.c: In function 'internal_strncpy':
tt.c:17:1: error: insn does not satisfy its constraints:
 }
 ^
(insn 101 97 118 7 (parallel [
(set (reg:CC 75 7 [209])
(compare:CC (reg/v:SI 4 4 [orig:194 n ] [194])
(const_int 0 [0])))
(set (reg:SI 66 ctr [orig:208 n ] [208])
(reg/v:SI 4 4 [orig:194 n ] [194]))
]) 453 {*movsi_internal2}
 (nil))
tt.c:17:1: internal compiler error: in extract_constrain_insn, at recog.c:2211