Re: [arm-gnu] Internal Compiler Error

[Richard Earnshaw <rearnsha@xxxxxxxxxxx>]

On Fri, 2005-08-12 at 14:32, Lucas Correia Villa Real wrote:
> On Thursday 11 August 2005 16:59, you wrote:
> > On Thursday 11 August 2005 20:41, Lucas Correia Villa Real wrote:
> > > On Thursday 11 August 2005 12:14, you wrote:
> > > > This is either a bug in the compiler, or an incorrect inline assembly
> > > > statement.
> > >
> > > I told you before
> >
> > I have no recollection or record of previous conversations with you.
> 
> Sorry, I must have missed something. I sent a message to 
> arm-gnu@xxxxxxxxxxxxxxxx, which you promptly answered a few minutes after. 
> 
> > > that I've seen my target headers being included on the
> > > output of the .i file I've sent to you. However, I'm compiling it with
> > > the -nostdinc directive. Looks weird..
> >
> > The whole point of preprocessed source (.i) files is that they are
> > self-contaied and include all the header files included by the original
> > source file.
> >
> > If those headers are proprietary, then I'm afraid we can't help you until
> > you can come up with a redistributable testcase.
> 
> The program in question is BusyBox. I got an internal compiler error when 
> ftpgetput.c was reached, and I was instructed by you to send you the 
> preprocessed source file, which was what I've done.
> 
> I'm not sure why the problem happened here, as the compile command seems to be 
> ok:
> 
> arm-none-linux-gnueabi-gcc -I/Files/Compile/Sources/busybox-1.00/include 
> -I/Files/Compile/Sources/busybox-1.00/include 
> -I/Files/Compile/Sources/busybox-1.00/libbb -D_LARGEFILE_SOURCE 
> -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wstrict-prototypes 
> -Wshadow -Os -fstrict-aliasing -fomit-frame-pointer -D_GNU_SOURCE -DNDEBUG   
> -nostdinc -I/Depot/SiriuStar//System/Links/Headers 
> -I/Depot/ToolChains/ARM-CodeSourcery-3.4.3/lib/gcc/arm-none-linux-gnueabi/3.4.3/include 
> -I/Depot/ToolChains/ARM-CodeSourcery-3.4.3/lib/arm-none-linux-gnueabi/libc/usr/include  
> -c 
> -o /Files/Compile/Sources/busybox-1.00/networking/ftpgetput.o /Files/Compile/Sources/busybox-1.00/networking/ftpgetput.c
> 
> So, it's only including the proper headers: the ones from the toolchain, from 
> busybox itself and from the target directory, where uClibc headers which was 
> previously compiled for the same target (ARM PXA - SiriuStar board) are 
> stored. No stdinc on the game, and this is the error generated from this 
> command:
> 
> /Files/Compile/Sources/busybox-1.00/networking/ftpgetput.c: In function 
> `xconnect_ftpdata':
> /Files/Compile/Sources/busybox-1.00/networking/ftpgetput.c:103: internal 
> compiler error: in arm_print_operand, at config/arm/arm.c:11390
> 
> I've uploaded the preprocessed source to make things better for you:
> http://www.cscience.org/~lucasvr/etc/ftpgetput.i
> 
> Do you have any suggestion on what can I try to do to fix this problem? Thanks 
> for your patience and attention, again.

A quick look at the preprocessed file shows that it contains an invalid
asm statement:

__asm__ ("rorw $8, %w0" : "=r" (__v) : "0" (__x) : "cc"); __v; 

This is an x86 instruction, not an ARM one.  It looks like either you've
misconfigured your application or that it will need porting to the ARM.

R.