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Re: Another BOOTSTRAP failure on sparc-sun-solaris2.10, stage2 miscompiled

From: David Edelsohn <dje at watson dot ibm dot com>
To: "Kaveh R. GHAZI" <ghazi at caip dot rutgers dot edu>
Cc: gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org
Date: Sun, 09 Sep 2007 15:33:24 -0400
Subject: Re: Another BOOTSTRAP failure on sparc-sun-solaris2.10, stage2 miscompiled
References: <Pine.GSO.4.58.0709091508450.20647@caipclassic.rutgers.edu> <200709091913.l89JDJGa008660@makai.watson.ibm.com> <Pine.GSO.4.58.0709091515580.20702@caipclassic.rutgers.edu>

>>>>> Kaveh R GHAZI writes:

Kaveh> Program received signal SIGSEGV, Segmentation fault.
Kaveh> 0x002cf780 in reload_combine_note_store (dst=0xff0b90e0, set=<value
Kaveh> optimized out>, data=0x0)
Kaveh> at ../../egcc-SVN20070909/gcc/postreload.c:1018
Kaveh> 1018              reg_state[i].store_ruid = reload_combine_ruid;
Kaveh> (gdb)

       That is the exact same failure and line for AIX.  Apparently all
Big Endian targets are affected.

Kaveh> Any luck figuring out which patch broke it?

	Not yet.

	Candidates include:

r128239 (honza's simple dce/addressing passes) and then r128272 (the
iv-opt patch), and Richi's sccvn patch.

David

References:
- Another BOOTSTRAP failure on sparc-sun-solaris2.10, stage2 miscompiled
  - From: Kaveh R. GHAZI
- Re: Another BOOTSTRAP failure on sparc-sun-solaris2.10, stage2 miscompiled
  - From: David Edelsohn
- Re: Another BOOTSTRAP failure on sparc-sun-solaris2.10, stage2 miscompiled
  - From: Kaveh R. GHAZI

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