On Wed, Sep 18, 2019 at 8:04 PM H.J. Lu <hjl.to...@gmail.com> wrote: > > On Skylake, SImode store cost isn't less than half cost of 128-bit vector > store. This patch increases Skylake SImode pseudo register store cost to > make it the same as QImode and HImode. > > gcc/ > > PR target/91446 > * config/i386/x86-tune-costs.h (skylake_cost): Increase SImode > pseudo register store cost from 3 to 6 to make it the same as > QImode and HImode. > > gcc/testsuite/ > > PR target/91446 > * gcc.target/i386/pr91446.c: New test. > > OK for trunk?
I assume these tunings are backed by some benchmark results. So, OK. Thanks, Uros.
