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target/6512: 3.1 segfault in copyprop_hardreg_forward_1 on sparc-sun-solaris2.8
- From: lucier at math dot purdue dot edu
- To: gcc-gnats at gcc dot gnu dot org
- Cc: feeley at iro dot umontreal dot ca
- Date: 30 Apr 2002 00:37:25 -0000
- Subject: target/6512: 3.1 segfault in copyprop_hardreg_forward_1 on sparc-sun-solaris2.8
- Reply-to: lucier at math dot purdue dot edu
>Number: 6512
>Category: target
>Synopsis: 3.1 segfault in copyprop_hardreg_forward_1 on sparc-sun-solaris2.8
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Mon Apr 29 17:46:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: B. Lucier
>Release: 3.1 20020429 (prerelease)
>Organization:
>Environment:
sparc-sun-solaris2.8
Solaris as/ld/sh
>Description:
Compiling this file
http://www.math.purdue.edu/~lucier/GNATS/GNATS-5/nucleic.i.gz
inside gdb results in the following segfault
Starting program: /pkgs/gcc-3.1/lib/gcc-lib/sparc-sun-solaris2.8/3.1/cc1 -fomit-frame-pointer -O1 -fschedule-insns2 -fno-strict-aliasing -fno-math-errno -mcpu=ultrasparc -mtune=ultrasparc -m32 nucleic.i
___H__20_nucleic {GC 14760k -> 4922k} {GC 6533k -> 5160k} {GC 7382k -> 5143k} {GC 7652k -> 5440k}
Program received signal SIGSEGV, Segmentation fault.
copyprop_hardreg_forward_1 (bb=0x13bd468, vd=0x1df46bc)
at ../../gcc/regrename.c:1564
1564 recog_op_alt[i][alt].class = recog_op_alt[matches][alt].class;
(gdb) p i
$1 = 0
(gdb) p alt
$2 = -1
(gdb) p matches
$3 = 16842752
(gdb) list
1559 predicated = GET_CODE (PATTERN (insn)) == COND_EXEC;
1560 for (i = 0; i < n_ops; ++i)
1561 {
1562 int matches = recog_op_alt[i][alt].matches;
1563 if (matches >= 0)
1564 recog_op_alt[i][alt].class = recog_op_alt[matches][alt].class;
1565 if (matches >= 0 || recog_op_alt[i][alt].matched >= 0
1566 || (predicated && recog_data.operand_type[i] == OP_OUT))
1567 recog_data.operand_type[i] = OP_INOUT;
1568 }
(gdb)
>How-To-Repeat:
>Fix:
???????
>Release-Note:
>Audit-Trail:
>Unformatted: