live insns deleted by delete_trivially_dead_insns()
Steven Bosscher
stevenb.gcc@gmail.com
Tue May 8 07:07:00 GMT 2007
On 5/8/07, Paolo Bonzini <paolo.bonzini@lu.unisi.ch> wrote:
>
> > But without libcall notes, we just see a call_insn and a set to a hard
> > register, and we have no way to tell that the call_insn is dead and
> > can safely be removed.
>
> Even if CONST_OR_PURE_CALL_P is set to 1??? :-(
I don't know, but in any case __tls_get_addr is neither pure nor const
(and for non-TLS libcalls, we don't have to know because we never make
them dead anyway ;-).
Gr.
Steven
More information about the Gcc
mailing list