On 06/11/10 10:48, Bernd Schmidt wrote:
On 06/11/2010 06:32 PM, Jeff Law wrote:
But shouldn't having an invariant form just decrease the priority
for pseudo 59 to get a hard register? The NO_REGS preferencing will
totally disable register allocation for pseudo 59.
And that's intende
On 06/11/2010 06:32 PM, Jeff Law wrote:
> But shouldn't having an invariant form just decrease the priority
> for pseudo 59 to get a hard register? The NO_REGS preferencing will
> totally disable register allocation for pseudo 59.
And that's intended, because from the costs we've concluded that
On 06/10/10 14:44, Bernd Schmidt wrote:
On 06/10/2010 10:37 PM, Jeff Law wrote:
Compile the attached with -O2 on x86-unknown-linux-gnu and review the
.ira dump for main()
starting the processing of deferred insns
ending the processing of deferred insns
df_analyze called
Building IRA IR
star
Compile the attached with -O2 on x86-unknown-linux-gnu and review the
.ira dump for main()
starting the processing of deferred insns
ending the processing of deferred insns
df_analyze called
Building IRA IR
starting the processing of deferred insns
ending the processing of deferred insns
df_an
On 06/10/2010 10:37 PM, Jeff Law wrote:
>
> Compile the attached with -O2 on x86-unknown-linux-gnu and review the
> .ira dump for main()
>
> starting the processing of deferred insns
> ending the processing of deferred insns
> df_analyze called
> Building IRA IR
> starting the processing of defer
