On Fri, 17 Aug 2007, Rask Ingemann Lambertsen wrote:
>We start out with (eq (plus X A) 0):
>I want to hear some opinions on which form we should choose as the
> canonical one. I'm proposing two forms:
>
> 1) (eq (neg X) Y) because the change to simplify_comparison will be simpler.
> 2) (e
We start out with (eq (plus X A) 0):
simplify_comparison (code=EQ, pop0=0xbfd722b4, pop1=0xbfd722b0) at
/home/rask/cvssrc/ia16-gcc/gcc/combine.c:9915
(gdb) call debug_rtx (*pop0)
(plus:SI (reg/v:SI 59 [ b ])
(mem/c/i:SI (reg/f:SI 16 argp) [2 a+0 S4 A32]))
(gdb) call debug_rtx (*pop1)
(co