Commit 9474483a authored Apr 27, 2012 by Andy Polyakov

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

parent a7086099

crypto/ppccpuid.pl

+2 −2

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