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| author | Patrick Steuer <patrick.steuer@de.ibm.com> | 2019-09-19 15:31:27 +0200 |
|---|---|---|
| committer | Patrick Steuer <patrick.steuer@de.ibm.com> | 2019-09-25 15:53:53 +0200 |
| commit | 19bd1fa1ef17ff0ac071402cb6b002f1c29e37b9 (patch) | |
| tree | 721bd78ca88377bc1246e656d3c2d9f30ac46021 /crypto/s390xcpuid.pl | |
| parent | 2281be2ed4a7df462677661d30b13826ae6b3e26 (diff) | |
s390x assembly pack: accelerate X25519, X448, Ed25519 and Ed448
using PCC and KDSA instructions.
Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10004)
Diffstat (limited to 'crypto/s390xcpuid.pl')
| -rwxr-xr-x | crypto/s390xcpuid.pl | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/crypto/s390xcpuid.pl b/crypto/s390xcpuid.pl index 4906e0366a..0f63f7edcb 100755 --- a/crypto/s390xcpuid.pl +++ b/crypto/s390xcpuid.pl @@ -495,6 +495,62 @@ s390x_kdsa: ___ } +################ +# void s390x_flip_endian32(unsigned char dst[32], const unsigned char src[32]) +{ +my ($dst,$src) = map("%r$_",(2..3)); +$code.=<<___; +.globl s390x_flip_endian32 +.type s390x_flip_endian32,\@function +.align 16 +s390x_flip_endian32: + lrvg %r0,0(%r0,$src) + lrvg %r1,8(%r0,$src) + lrvg %r4,16(%r0,$src) + lrvg %r5,24(%r0,$src) + stg %r0,24(%r0,$dst) + stg %r1,16(%r0,$dst) + stg %r4,8(%r0,$dst) + stg %r5,0(%r0,$dst) + br $ra +.size s390x_flip_endian32,.-s390x_flip_endian32 +___ +} + +################ +# void s390x_flip_endian64(unsigned char dst[64], const unsigned char src[64]) +{ +my ($dst,$src) = map("%r$_",(2..3)); +$code.=<<___; +.globl s390x_flip_endian64 +.type s390x_flip_endian64,\@function +.align 16 +s390x_flip_endian64: + stmg %r6,%r9,6*$SIZE_T($sp) + + lrvg %r0,0(%r0,$src) + lrvg %r1,8(%r0,$src) + lrvg %r4,16(%r0,$src) + lrvg %r5,24(%r0,$src) + lrvg %r6,32(%r0,$src) + lrvg %r7,40(%r0,$src) + lrvg %r8,48(%r0,$src) + lrvg %r9,56(%r0,$src) + stg %r0,56(%r0,$dst) + stg %r1,48(%r0,$dst) + stg %r4,40(%r0,$dst) + stg %r5,32(%r0,$dst) + stg %r6,24(%r0,$dst) + stg %r7,16(%r0,$dst) + stg %r8,8(%r0,$dst) + stg %r9,0(%r0,$dst) + + lmg %r6,%r9,6*$SIZE_T($sp) + br $ra +.size s390x_flip_endian64,.-s390x_flip_endian64 +___ +} + $code.=<<___; .section .init brasl $ra,OPENSSL_cpuid_setup |