http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57735
Bug ID: 57735
Summary: ICE with -mtune=xscale (error: could not split insn)
when building webkit
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: Martin.Jansa at gmail dot com
Created attachment 30391
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30391&action=edit
JSGlobalObjectFunctions.cpp.tar.bz2
I'll try to attach smaller test-case later, but real-world reproducer follows:
/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/bin/xscalete-oe-linux-gnueabi/arm-oe-linux-gnueabi-g++
-v
Using built-in specs.
COLLECT_GCC=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/bin/xscalete-oe-linux-gnueabi/arm-oe-linux-gnueabi-g++
COLLECT_LTO_WRAPPER=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/xscalete-oe-linux-gnueabi/gcc/arm-oe-linux-gnueabi/4.8.1/lto-wrapper
Target: arm-oe-linux-gnueabi
Configured with:
/OE/shr-core/tmp-eglibc/work-shared/gcc-4.8.1-r0/gcc-4.8.1/configure
--build=x86_64-linux --host=x86_64-linux --target=arm-oe-linux-gnueabi
--prefix=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr
--exec_prefix=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr
--bindir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/bin/xscalete-oe-linux-gnueabi
--sbindir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/bin/xscalete-oe-linux-gnueabi
--libexecdir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/xscalete-oe-linux-gnueabi
--datadir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/share
--sysconfdir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/etc
--sharedstatedir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/com
--localstatedir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/var
--libdir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/lib/xscalete-oe-linux-gnueabi
--includedir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/include
--oldincludedir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/include
--infodir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/share/info
--mandir=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr/share/man
--disable-silent-rules --disable-dependency-tracking
--with-libtool-sysroot=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux
--with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix
--disable-multilib --enable-c99 --enable-long-long --enable-symvers=gnu
--enable-libstdcxx-pch --program-prefix=arm-oe-linux-gnueabi-
--without-local-prefix --enable-target-optspace --enable-lto --enable-libssp
--disable-bootstrap --disable-libmudflap --with-system-zlib
--with-linker-hash-style=gnu --enable-linker-build-id --with-ppl=no
--with-cloog=no --enable-checking=release --enable-cheaders=c_global
--with-float=soft
--with-gxx-include-dir=/OE/shr-core/tmp-eglibc/sysroots/spitz/usr/include/c++
--with-sysroot=/OE/shr-core/tmp-eglibc/sysroots/spitz
--with-build-sysroot=/OE/shr-core/tmp-eglibc/sysroots/spitz
--enable-poison-system-directories --disable-libunwind-exceptions
--with-mpfr=/OE/shr-core/tmp-eglibc/sysroots/x86_64-linux/usr
--with-system-zlib --disable-nls
Thread model: posix
gcc version 4.8.1 (GCC)
/OE/shr-core/tmp-eglibc/work/xscalete-oe-linux-gnueabi/webkit-efl/1.9.3+svnr120144-r3/src/Source/JavaScriptCore/runtime/JSGlobalObjectFunctions.cpp:150:1:
error: could not split insn
}
^
(insn 505 8094 507 (set (reg:SI 1 r1 [orig:494 D.142559 ] [494])
(plus:SI (reg/v:SI 5 r5 [orig:157 character ] [157])
(const_int -17179934720 [0xfffffffbffff0000])))
/OE/shr-core/tmp-eglibc/work/xscalete-oe-linux-gnueabi/webkit-efl/1.9.3+svnr120144-r3/src/Source/JavaScriptCore/runtime/JSGlobalObjectFunctions.cpp:108
5 {*arm_addsi3}
(nil))
/OE/shr-core/tmp-eglibc/work/xscalete-oe-linux-gnueabi/webkit-efl/1.9.3+svnr120144-r3/src/Source/JavaScriptCore/runtime/JSGlobalObjectFunctions.cpp:150:1:
internal compiler error: in final_scan_insn, at final.c:2897
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
{standard input}: Assembler messages:
{standard input}: Error: open CFI at the end of file; missing .cfi_endproc
directive
Removing -mtune=xscale is enough to pass that (the same source builds fine for
other devices I'm using), using -mtune=arm926ej-s also works.
Attached archive contains 3 files:
-rw-r--r-- 1 bitbake bitbake 1932165 Jun 27 17:37
CMakeFiles/javascriptcore_efl.dir/runtime/JSGlobalObjectFunctions.cpp.E #
preprocessed source
-rw-r--r-- 1 bitbake bitbake 3809 Jun 27 17:45
CMakeFiles/javascriptcore_efl.dir/runtime/JSGlobalObjectFunctions.cpp.cmd #
command line used
-rw-r--r-- 1 bitbake bitbake 28308 Jun 27 17:46
CMakeFiles/javascriptcore_efl.dir/runtime/JSGlobalObjectFunctions.cpp.log #
output with couple of warnings before that ICE
Sorry for packing it, I wasn't sure if you would prefer 2MB preprocessed
attachment.
