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| author | Kenny Root <kroot@google.com> | 2015-09-25 02:29:14 +0000 |
|---|---|---|
| committer | Kenny Root <kroot@google.com> | 2015-09-25 02:29:14 +0000 |
| commit | b8494591d1b1a143f3b192d845c238bbf3bc629d (patch) | |
| tree | dd743d9d64af3145fe96b8d5fc2f3427544794bd /src/crypto/sha/asm/sha1-586.pl | |
| parent | a04d78d392463df4e69a64360c952ffa5abd22f7 (diff) | |
| download | external_boringssl-b8494591d1b1a143f3b192d845c238bbf3bc629d.zip external_boringssl-b8494591d1b1a143f3b192d845c238bbf3bc629d.tar.gz external_boringssl-b8494591d1b1a143f3b192d845c238bbf3bc629d.tar.bz2 | |
Revert "Revert "external/boringssl: sync with upstream.""
This reverts commit a04d78d392463df4e69a64360c952ffa5abd22f7.
Underlying issue was fixed.
Change-Id: I49685b653d16e728eb38e79e02b2c33ddeefed88
Diffstat (limited to 'src/crypto/sha/asm/sha1-586.pl')
| -rw-r--r-- | src/crypto/sha/asm/sha1-586.pl | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/crypto/sha/asm/sha1-586.pl b/src/crypto/sha/asm/sha1-586.pl index 4895eb3..e0b5d83 100644 --- a/src/crypto/sha/asm/sha1-586.pl +++ b/src/crypto/sha/asm/sha1-586.pl @@ -66,9 +66,9 @@ # switch to AVX alone improves performance by as little as 4% in # comparison to SSSE3 code path. But below result doesn't look like # 4% improvement... Trouble is that Sandy Bridge decodes 'ro[rl]' as -# pair of µ-ops, and it's the additional µ-ops, two per round, that +# pair of µ-ops, and it's the additional µ-ops, two per round, that # make it run slower than Core2 and Westmere. But 'sh[rl]d' is decoded -# as single µ-op by Sandy Bridge and it's replacing 'ro[rl]' with +# as single µ-op by Sandy Bridge and it's replacing 'ro[rl]' with # equivalent 'sh[rl]d' that is responsible for the impressive 5.1 # cycles per processed byte. But 'sh[rl]d' is not something that used # to be fast, nor does it appear to be fast in upcoming Bulldozer |