[Bug c/58400] New: gcc for h8300 internal compiler error: insn does not satisfy its constraints at fs/ext4/mballoc.c: In function 'mb_free_blocks':

["gang.chen at asianux dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58400

            Bug ID: 58400
           Summary: gcc for h8300 internal compiler error: insn does not
                    satisfy its constraints at  fs/ext4/mballoc.c: In
                    function 'mb_free_blocks':
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gang.chen at asianux dot com

For Linux kernel next-20130828 version:


The command line:

  /usr/local/bin/h8300-gchen-elf-gcc -Wp,-MD,fs/ext4/.mballoc.o.d  -nostdinc
-isystem /usr/local/lib/gcc/h8300-gchen-elf/4.9.0/include
-I/root/linux-next/arch/h8300/include -Iarch/h8300/include/generated  -Iinclude
-I/root/linux-next/arch/h8300/include/uapi -Iarch/h8300/include/generated/uapi
-I/root/linux-next/include/uapi -Iinclude/generated/uapi -include
/root/linux-next/include/linux/kconfig.h -D__KERNEL__ -Wall -Wundef
-Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
-Werror-implicit-function-declaration -Wno-format-security
-fno-delete-null-pointer-checks -Os -Wno-maybe-uninitialized -mh -mint32
-fno-builtin -g -D__linux__ -DUTS_SYSNAME=\"uClinux\" -fno-reorder-blocks
-fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=1024
-fno-stack-protector -Wno-unused-but-set-variable -fomit-frame-pointer -g
-femit-struct-debug-baseonly -fno-var-tracking
-fno-inline-functions-called-once -Wdeclaration-after-statement
-Wno-pointer-sign -fno-strict-overflow -fconserve-stack -Werror=implicit-int
-Werror=strict-prototypes -DCC_HAVE_ASM_GOTO   -DMODULE  -D"KBUILD_STR(s)=#s"
-D"KBUILD_BASENAME=KBUILD_STR(mballoc)"  -D"KBUILD_MODNAME=KBUILD_STR(ext4)" -c
-o fs/ext4/.tmp_mballoc.o fs/ext4/mballoc.c


The issue:

fs/ext4/mballoc.c: In function 'mb_free_blocks':
fs/ext4/mballoc.c:1459:1: error: insn does not satisfy its constraints:
 }
 ^
(insn 453 831 454 59 (parallel [
            (set (cc0)
                (compare (zero_extract:SI (zero_extend:SI (mem/c:QI (plus:SI
(reg/f:SI 7 sp)
                                    (const_int 32 [0x20])) [0 %sfp+-20 S1
A32]))
                        (const_int 1 [0x1])
                        (and:SI (reg:SI 5 r5)
                            (const_int 7 [0x7])))
                    (const_int 0 [0])))
            (clobber (scratch:QI))
        ]) fs/ext4/mballoc.c:1322 113 {*tstsi_variable_bit_qi}
     (nil))