3 Commits

Author	SHA1	Message	Date
Josh Bleecher Snyder	096c900f9e	crypto/aes: fix vet warnings in gcm_amd64.s ... Notably, this fixes two incorrect argument sizes. Update #11041 Change-Id: Ie4a3b1a59cd6a6707f6d2f4d3be978fc70322b46 Reviewed-on: https://go-review.googlesource.com/22091 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>	2016-04-14 20:06:30 +00:00
Ilya Tocar	1d1f2fb4c6	cmd/internal/obj/x86: add new instructions, cleanup. ... Add several instructions that were used via BYTE and use them. Instructions added: PEXTRB, PEXTRD, PEXTRQ, PINSRB, XGETBV, POPCNT. Change-Id: I5a80cd390dc01f3555dbbe856a475f74b5e6df65 Reviewed-on: https://go-review.googlesource.com/18593 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>	2016-01-13 14:04:44 +00:00
Vlad Krasnov	efeeee38c9	crypto/aes: dedicated asm version of AES-GCM ... The existing implementation didn't use the CLMUL instructions for fast and constant time binary-field multiplication. With this change, amd64 CPUs that support both AES and CLMUL instructions will use an optimised asm implementation. benchmark old ns/op new ns/op delta BenchmarkAESGCMSeal8K 91723 3200 -96.51% BenchmarkAESGCMOpen8K 91487 3324 -96.37% BenchmarkAESGCMSeal1K 11873 546 -95.40% BenchmarkAESGCMOpen1K 11833 594 -94.98% benchmark old MB/s new MB/s speedup BenchmarkAESGCMSeal8K 89.31 2559.62 28.66x BenchmarkAESGCMOpen8K 89.54 2463.78 27.52x BenchmarkAESGCMSeal1K 86.24 1872.49 21.71x BenchmarkAESGCMOpen1K 86.53 1721.78 19.90x Change-Id: Idd63233098356d8b353d16624747b74d0c3f193e Reviewed-on: https://go-review.googlesource.com/10484 TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Adam Langley <agl@golang.org>	2015-08-29 21:02:38 +00:00