Re: GCC4.3.3: Bootstrap comparison failure!

2009-05-22 Thread chenyang
>> I tried --save-temps and the resulting .s files were identical. >> I found that the problem was introduced by "as". >> I ran "as" twice with the same arguments. The two resulting .o files >> were different. >> I upgraded the binutils to the latest version: 2.19. The problem >> hasn't gone away.

Re: GCC4.3.3: Bootstrap comparison failure!

2009-05-21 Thread Ian Lance Taylor
chenyang writes: >> Try running your commands with the --save-temps options and compare the >> resulting .s files.  Also, try running the commands with the >> -fdump-tree-all -fdump-rtl-all options and see where the dump files >> first differ. >> > I tried --save-temps and the resulting .s files

Re: GCC4.3.3: Bootstrap comparison failure!

2009-05-21 Thread chenyang
Thanks, Ian, > These kinds of issues are always difficult to debug.  There have been a > couple of patches to stabilize different sorts which I don't think are > in 4.3.3.  That could conceivably cause differences if address space > randomization is turned on.  I don't know of any specific bug rep

Re: GCC4.3.3: Bootstrap comparison failure!

2009-05-20 Thread Ian Lance Taylor
chenyang writes: > I got a "Bootstrap comparison failure!" error when building gcc 4.3.3: These kinds of issues are always difficult to debug. There have been a couple of patches to stabilize different sorts which I don't think are in 4.3.3. That could conceivably cause differences if address