[armel] unrecognizable insn with -mthumb

[Matthias Klose]

Binary package hint: gcc-4.4

seen with 4.4.2-3ubuntu1; either using -O0 _or_ -marm doesn't show the ICE

$ gcc -DHAVE_CONFIG_H -I. -I../../../storage/myisam -I../../include -I../../../include -I../../include -I../../../regex -I../../../sql -I../../../storage/myisam -O2 -DBIG_JOINS=1 -fno-strict-aliasing -DUNIV_LINUX -MT mi_check.o -MD -MP -MF .deps/mi_check.Tpo -c -o mi_check.o ../../../storage/myisam/mi_check.c -save-temps
../../../storage/myisam/mi_check.c: In function 'chk_index_down':
../../../storage/myisam/mi_check.c:640: error: unrecognizable insn:
(insn 251 250 96 9 ../../../storage/myisam/mi_check.c:608 (set (reg:SI 3 r3 [+4 ])
        (and:SI (not:SI (ashiftrt:SI (reg:SI 1 r1 [175])
                    (const_int 31 [0x1f])))
            (reg:SI 3 r3 [+4 ]))) -1 (nil))
../../../storage/myisam/mi_check.c:640: internal compiler error: in extract_insn, at recog.c:2048
Please submit a full bug report,
with preprocessed source if appropriate.

[Dave Martin (dave-martin-arm)]

Patch posted upstream which should hopefully fix this:

http://gcc.gnu.org/ml/gcc-patches/2009-12/msg00118.html

[Matthias Klose (doko)]

fixed in gcc-4.4 4.4.2-1ubuntu2

[Matthias Klose (doko)]

mysql currently rebuilding, passed the build stage

[Dave Martin (dave-martin-arm)]

Appears fixed in fixed in 4.4.2-5ubuntu1