diff options
| author | Deepankar Bhattacharjee <deepankar.b@in.ibm.com> | 2021-09-20 10:45:15 -0400 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2022-11-11 10:04:10 +0100 |
| commit | 41e2d8784195d4a1c730fea9f3c197f34a11cb97 (patch) | |
| tree | 2cc2ef2c8ab0147659e8df95b02bd13213a774f0 /crypto/ppccpuid.pl | |
| parent | 659b645d15dbd189a27c64658dd3b6e6f4a426a8 (diff) | |
chacha20 performance optimizations for ppc64le with 8x lanes,
Performance increase around 50%.
Co-authored-by: Madhusudhanan Duraisamy <madurais@in.ibm.com>
Co-authored-by: Nilamjyoti Goswami <nilamgoswami@in.ibm.com>
Co-authored-by: Siva Sundar Anbareeswaran <srisivasundar@in.ibm.com>
Reviewed-by: Danny Tsen <dtsen@us.ibm.com>
Tested-by: Danny Tsen <dtsen@us.ibm.com>
Signed-off-by: Danny <dtsen@us.ibm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16637)
(cherry picked from commit f596bbe4da779b56eea34d96168b557d78e1149a)
Diffstat (limited to 'crypto/ppccpuid.pl')
| -rwxr-xr-x | crypto/ppccpuid.pl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl index c6555df5d8..706164adba 100755 --- a/crypto/ppccpuid.pl +++ b/crypto/ppccpuid.pl @@ -81,6 +81,17 @@ $code=<<___; .long 0 .byte 0,12,0x14,0,0,0,0,0 +.globl .OPENSSL_brd31_probe +.align 4 +.OPENSSL_brd31_probe: + xor r0,r0,r0 + brd r3,r0 + blr + .long 0 + .byte 0,12,0x14,0,0,0,0,0 +.size .OPENSSL_brd31_probe,.-.OPENSSL_brd31_probe + + .globl .OPENSSL_wipe_cpu .align 4 .OPENSSL_wipe_cpu: |