| Message ID | 1462457367-15445-1-git-send-email-pfsmorigo@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
On Thu, May 05, 2016 at 11:09:27AM -0300, Paulo Flabiano Smorigo wrote: > It gives significant improvements ( ~+15%) on some modes. > > These code has been adopted from OpenSSL project in collaboration > with the original author (Andy Polyakov <appro@openssl.org>). > > Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> Patch applied. Thanks.
diff --git a/drivers/crypto/vmx/ppc-xlate.pl b/drivers/crypto/vmx/ppc-xlate.pl index b999733..9f4994c 100644 --- a/drivers/crypto/vmx/ppc-xlate.pl +++ b/drivers/crypto/vmx/ppc-xlate.pl @@ -139,6 +139,26 @@ my $vmr = sub { " vor $vx,$vy,$vy"; }; +# Some ABIs specify vrsave, special-purpose register #256, as reserved +# for system use. +my $no_vrsave = ($flavour =~ /aix|linux64le/); +my $mtspr = sub { + my ($f,$idx,$ra) = @_; + if ($idx == 256 && $no_vrsave) { + " or $ra,$ra,$ra"; + } else { + " mtspr $idx,$ra"; + } +}; +my $mfspr = sub { + my ($f,$rd,$idx) = @_; + if ($idx == 256 && $no_vrsave) { + " li $rd,-1"; + } else { + " mfspr $rd,$idx"; + } +}; + # PowerISA 2.06 stuff sub vsxmem_op { my ($f, $vrt, $ra, $rb, $op) = @_;
It gives significant improvements ( ~+15%) on some modes. These code has been adopted from OpenSSL project in collaboration with the original author (Andy Polyakov <appro@openssl.org>). Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> --- drivers/crypto/vmx/ppc-xlate.pl | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)