Help required - ICE in GCC for my target
Hi all
I am porting GCC compiler to new 16 bit target. I am using GCC-4.0.x
For one of the target specific options, I am using PSI mode for
representing pointers.
If I compile the following test code with this target specific option
along with any of the optimization options I am getting an ICE.
Command line is
>>> target-elf-gcc -mlarge -O2 ICE.c -c
=
volatile double gd[32];
int main ()
{
int i;
int j;
for (i = 0; i < 32; i++)
if (gd[i] != i * 4 )/* In this statement If I use loop
invariant instead of 'i' in LHS or RHS of comparison program is getting
compiled */
abort ();
exit (0);
}
=
ICE I am getting is :
internal compiler error: in emit_move_insn, at expr.c:3079
I tried to debug the code and I observed that it occurs in the function
emit move instruction Emit_move_instruction(rtx X,rtx Y).
Modes of X an Y are PSI and SI respectively and because of that it is
failing.
I have also provided RTL's for "extendpsisi" and "truncsipsi" (for
converting between PSI and SI modes).
I also tried to take RTL dump , but didn't get any dump , it is failing
before generating RTL's.
Any pointers/help/direction in regard would be nice.
Is there any target specific stuff I will have to look into?
Thanking in advance
Regards,
Shrirang P Khisti
KPIT Cummins Infosystems Ltd
RE: Help required - ICE in GCC for my target
Hi Delorie Thank you very much for your reply. I have made the changes as you have mentioned, but I am getting same error. Could you please guide where I can look into Thanking you in advance Regards Shrirang Khisti KPIT Cummins Infosystems Ltd. -Original Message- From: DJ Delorie [mailto:[EMAIL PROTECTED] Sent: Thursday, December 01, 2005 11:40 AM To: Shrirang Khishti Cc: gcc@gcc.gnu.org Subject: Re: Help required - ICE in GCC for my target > I have also provided RTL's for "extendpsisi" and "truncsipsi" (for > converting between PSI and SI modes). You need extendpsisi2, truncsipsi2, and zero_extendpsisi2. The m32c port uses PSI for pointers also; you can use it as an example.
Porting problem from GCC-4.0 to GCC 4.1
Hi all I have ported GCC-4.0 for a new target. Initially I started porting with GCC-3.4 and then shifted to GCC-4.0 without any problems. Now I want to port same code for GCC-4.1 . As there are some structural differences in GCC-4.0 and gcc-4.1 back-ends specially regarding addition of .opt file. I have removed all the macros related to TARGET_SWITCHES and made appropriate entries in .opt file. With this and some other changes I build cc1. I have also updated TARGET_DEFAULT macro in target.h file. But problem that I found is that if I don't specify any target specific option target_flags are remaining zero. They are not getting set as expected for DEFAULT_TARGET and so it is giving me ICE. If I explicitly give target specific option which is on DEFAULT, then I am not having any problems. Anything is missing from my side? Any help will be appreciated Thanking in advance Regards Shrirang Khisti KPIT Cummins Infosystems Ltd.
Patch - GCC Port for Infineon xc16x
Hi all, KPIT Cummins is contributing the complete GCC port for Infineon XC16X architecture. We would like to request you to send in your comments on this port. As we are putting our best efforts on this port its quality will successively improve and fit more and more to the current GNU standards. KPIT Cummins has already signed copyright assignment with FSF. The XC16X is a new derivative of the popular C16X microcontroller family that is based on the enhanced C166S V2 architecture (http://www.infineon.com) it outperforms existing 16-bit solutions. Impressive DSP performance and advanced interrupt handling combined with an integrated powerful peripheral set and a high performance on-chip flash makes the XC16X the instrument of choice for demanding industrial and automotive applications. We have already submitted binutils port to FSF and it has got accepted http://sourceware.org/ml/binutils/2006-02/msg00230.html. Along with this patch you need to apply following patch http://sourceware.org/ml/binutils/2006-03/msg00042.html to binutils source so as to build the gcc. Here is the change log for GCC patch. GCC Version : gcc-4.2-20060218 Please find following two Patches attached with this mail Patch_gcc.tar.gz : Gcc Patch for xc16x Patch_gcc_configure.tar.gz : Patch for top level configure 2006-03-03Shrirang Khisti <[EMAIL PROTECTED]> *config.sub : Add xc16x entry xc16x*-*-*) so that GCC will understand new xc16x processor *configure.in : Add Entry for xc16x. *configure : Regenerate *gcc/config.gcc : Specify source files of xc16x for building *gcc/config/xc16x/xc16x.h: New file for xc16x macros *gcc/config/xc16x/xc16x.c: New file for target specific C routines *gcc/config/xc16x/xc16x.md : New file for xc16x machine description *gcc/config/xc16x/lib1funcs.asm : New file for library routines *gcc/config/xc16x/t-xc16x : New file - target makefile for xc16x *gcc/config/xc16x/xc16x-protos.h : New file containing prototypes of the functions *gcc/config/xc16x/xc16x-modes.def: New file defining PSI mode for xc16x -mlarge target option *gcc/doc/invoke.texi : Infineon xc16x specific target memory options are added *gcc/doc/md.texi : Infineon xc16x specific constraints specification *gcc/doc/install.texi: General information about xc16x *gcc/doc/extend.texi : Infineon xc16x specific attributes *gcc/doc/contrib.texi: Added the information about KPIT's contribution . Best Regards Shrirang Khisti KPIT Cummins Infosystems Ltd. Patch_gcc_configure.tar.gz Description: Patch_gcc_configure.tar.gz Patch_gcc.tar.gz Description: Patch_gcc.tar.gz
