FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-13 04:41:17 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

sparc64: Use fsrc2 instead of fsrc1 in sparc64 hash crypto drivers.

Browse Source 
On SPARC-T4 fsrc2 has 1 cycle of latency, whereas fsrc1 has 11 cycles.

True story.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-08-28 20:55:19 -07:00
parent 81658ad0d9
commit 45dfe237a8
4 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/crypto/md5_asm.S
View File

@ -62,7 +62,7 @@ ENTRY(md5_sparc64_transform)
.word 0x81b02800 .word 0x81b02800
subcc %o2, 1, %o2 subcc %o2, 1, %o2
fsrc1 %f26, %f10 fsrc2 %f26, %f10
bne,pt %xcc, 1b bne,pt %xcc, 1b
add %o1, 0x40, %o1 add %o1, 0x40, %o1

2
arch/sparc/crypto/sha1_asm.S
View File

@ -64,7 +64,7 @@ ENTRY(sha1_sparc64_transform)
.word 0x81b02820 .word 0x81b02820
subcc %o2, 1, %o2 subcc %o2, 1, %o2
fsrc1 %f26, %f10 fsrc2 %f26, %f10
bne,pt %xcc, 1b bne,pt %xcc, 1b
add %o1, 0x40, %o1 add %o1, 0x40, %o1

2
arch/sparc/crypto/sha256_asm.S
View File

@ -70,7 +70,7 @@ ENTRY(sha256_sparc64_transform)
.word 0x81b02840 .word 0x81b02840
subcc %o2, 1, %o2 subcc %o2, 1, %o2
fsrc1 %f26, %f10 fsrc2 %f26, %f10
bne,pt %xcc, 1b bne,pt %xcc, 1b
add %o1, 0x40, %o1 add %o1, 0x40, %o1

2
arch/sparc/crypto/sha512_asm.S
View File

@ -94,7 +94,7 @@ ENTRY(sha512_sparc64_transform)
.word 0x81b02860 .word 0x81b02860
subcc %o2, 1, %o2 subcc %o2, 1, %o2
fsrc1 %f50, %f18 fsrc2 %f50, %f18
bne,pt %xcc, 1b bne,pt %xcc, 1b
add %o1, 0x80, %o1 add %o1, 0x80, %o1