Ian Lance Taylor writes:
> pa...@matos-sorge.com (Paulo J. Matos) writes:
>
>> I am trying to find where IRA, is deleting trivial insn like:
>> (set r1 r1)
>
> Search for "Discard obvious no-ops" in the function reload in the file
> gcc/reload1.c.
Thanks, that's exactly it.
--
PMatos
pa...@matos-sorge.com (Paulo J. Matos) writes:
> I am trying to find where IRA, is deleting trivial insn like:
> (set r1 r1)
Search for "Discard obvious no-ops" in the function reload in the file
gcc/reload1.c.
Ian
Hi,
I am trying to find where IRA, is deleting trivial insn like:
(set r1 r1)
The problem I am facing is that I have managed to convince GCC to handle
moves that clobber RCC like:
(parallel [(set reg1 reg2) (clobber rcc)])
However, I am getting loads of insn like:
(parallel [(set r1 r2) (clobb