Message ID | CAKdSQZ=Zi_HDR8iBsSs_kgtJ+rpKCtFe=yAhbqt7VWXOSFroBg@mail.gmail.com |
---|---|
State | New |
Headers | show |
On Fri, Aug 24, 2012 at 9:22 AM, Igor Zamyatin <izamyatin@gmail.com> wrote: > Following change enables look ahead feature in the code scheduler for > Atom processors. This gives quite reasonable gain for some benchmarks > for mobile market. > > Overall compile time increase for SPEC2000 is about 1%. > > Regtested for x86_64 and also bootstrapped with "--with-arch=core2 > --with-cpu=atom" > > 2012-08-23 Yuri Rumyantsev <ysrumyan@gmail.com> > > * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add > case for Atom processor. OK. Thanks, Uros.
> OK. > Checked in http://gcc.gnu.org/ml/gcc-cvs/2012-08/msg00626.html Thanks, K
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 976bbb4..331e29a 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -24103,6 +24103,7 @@ ia32_multipass_dfa_lookahead (void) case PROCESSOR_CORE2_64: case PROCESSOR_COREI7_32: case PROCESSOR_COREI7_64: + case PROCESSOR_ATOM: /* Generally, we want haifa-sched:max_issue() to look ahead as far as many instructions can be executed on a cycle, i.e., issue_rate. I wonder why tuning for many CPUs does not do this. */