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From: "glaubitz at physik dot fu-berlin.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/65153] New: sh: "insn does not satisfy its constraints" when compiling libmcrypt
Date: Sat, 21 Feb 2015 09:52:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65153

            Bug ID: 65153
           Summary: sh: "insn does not satisfy its constraints" when
                    compiling libmcrypt
           Product: gcc
           Version: 4.9.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: glaubitz at physik dot fu-berlin.de
            Target: sh*-*-*

Hi!

Another regression in gcc-4.9.2, this time when trying to compile libmcrypt
2.5.8:

libtool: link: ( cd ".libs" && rm -f "arcfour.la" && ln -s "../arcfour.la"
"arcfour.la" )
/bin/sh ../../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H  -I.
-I../.. -I. -I../..  -I../../lib    -g -O2 -c -o cast-256.lo cast-256.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../.. -I. -I../.. -I../../lib -g
-O2 -c cast-256.c  -fPIC -DPIC -o .libs/cast-256.o
cast-256.c: In function 'cast_256_LTX__mcrypt_set_key':
cast-256.c:409:1: error: insn does not satisfy its constraints:
 }
 ^
(insn 143 142 144 12 (set (reg/v:SI 7 r7 [orig:227 t ] [227])
        (ior:SI (reg:SI 1 r1)
            (reg:SI 13 r13 [orig:718 D.4992 ] [718]))) cast-256.c:387 130
{*iorsi3_compact}
     (expr_list:REG_DEAD (reg:SI 13 r13 [orig:718 D.4992 ] [718])
        (nil)))
cast-256.c:409:1: internal compiler error: in copyprop_hardreg_forward_1, at
regcprop.c:775
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.
Preprocessed source stored into /tmp/ccwCPfub.out file, please attach this to
your bugreport.

Full build log can be found in [1]. Attaching the precompiled source file
ccwCPfub.out.

Adrian

> [1] http://buildd.debian-ports.org/status/fetch.php?pkg=libmcrypt&arch=sh4&ver=2.5.8-3.3&stamp=1424499784