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Date: Wed, 14 Nov 2007 08:51:00 -0000
Subject: [Bug target/34091]  New: [4.2/4.3 Regression] ICE in reload_cse_simplify_operands, at postreload.c:392
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From: "tbm at cyrius dot com" <gcc-bugzilla@gcc.gnu.org>
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gcc 4.1 can compile the attached source without any problems, but gcc-4.2
(at -O) and trunk (20070916, at -O2) ICE.

paer% gcc-4.2 -c -O s_texfilter.i
swrast/s_texfilter.c: In function ‘sample_lambda_2d’:
swrast/s_texfilter.c:1420: error: insn does not satisfy its constraints:
(insn 2621 1258 1259 96 (set (mem/c:HI (plus:SI (reg/f:SI 30 %r30)
                (const_int -474 [0xfffffe26])) [0 S2 A16])
        (reg:HI 68 %fr22)) 53 {*pa.md:3126} (nil)
    (nil))
swrast/s_texfilter.c:1420: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:392
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.2/README.Bugs>.
paer%

paer% /usr/lib/gcc-snapshot/bin/gcc -c -O2 s_texfilter.i
swrast/s_texfilter.c: In function 'sample_lambda_2d':
swrast/s_texfilter.c:1420: error: insn does not satisfy its constraints:
(insn 2415 1100 1137 102 swrast/s_texfilter.c:164 (set (mem/c:HI (plus:SI
(reg/f:SI 30 %r30)
                (const_int -458 [0xfffffe36])) [601 S2 A16])
        (reg:HI 78 %fr27)) 53 {*pa.md:3184} (nil))
swrast/s_texfilter.c:1420: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:395
Please submit a full bug report,


-- 
           Summary: [4.2/4.3 Regression] ICE in
                    reload_cse_simplify_operands, at postreload.c:392
           Product: gcc
           Version: 4.2.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
GCC target triplet: hppa-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34091