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ppccpuid.pl: branch hints in OPENSSL_cleanse impact small block performance

of digest algorithms, mosty SHA, on Power7. Mystery of century, why SHA,
why slower algorithm are affected more...
PR: 2794
Submitted by: Ashley Lai
master
Andy Polyakov 10 years ago
parent
commit
9474483ab7
1 changed files with 2 additions and 2 deletions
  1. +2
    -2
      crypto/ppccpuid.pl

+ 2
- 2
crypto/ppccpuid.pl View File

@ -105,7 +105,7 @@ Ladd: lwarx r5,0,r3
Little: mtctr r4
stb r0,0(r3)
addi r3,r3,1
bdnz- \$-8
bdnz \$-8
blr
Lot: andi. r5,r3,3
beq Laligned
@ -118,7 +118,7 @@ Laligned:
mtctr r5
stw r0,0(r3)
addi r3,r3,4
bdnz- \$-8
bdnz \$-8
andi. r4,r4,3
bne Little
blr


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