Re: GCC-generated code and i386 condition codes behavior

2005-11-04 Thread Bryan Ford
Hi Richard, On Wednesday 26 October 2005 00:30, Richard Henderson wrote: > On Mon, Oct 24, 2005 at 03:39:53PM -0500, Bryan Ford wrote: > > My question: does GCC-generated code ever actually depend on this aspect > > of the x86 architecture - i.e., on instructions that architectur

GCC-generated code and i386 condition codes behavior

2005-10-24 Thread Bryan Ford
I have a question about GCC's handling of the condition codes (specifically the CF, ZF, NF, OF, PF bits in bits in EFLAGS) on the i386 that will hopefully be trivial to anyone familiar with the implementation of the i386 target. My impression is that GCC generally treats the i386 condition code