[Gmp-commit] /var/hg/gmp: mpn/x86_64/coreihwl/gcd_11.asm: Move the fix outsid...

[mercurial at gmplib.org]

details:   /var/hg/gmp/rev/2f96fbd0cb6f
changeset: 17811:2f96fbd0cb6f
user:      Marco Bodrato <bodrato at mail.dm.unipi.it>
date:      Wed Aug 14 01:54:56 2019 +0200
description:
mpn/x86_64/coreihwl/gcd_11.asm: Move the fix outside the loop

diffstat:

 mpn/x86_64/coreihwl/gcd_11.asm |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (19 lines):

diff -r bb86e66536d5 -r 2f96fbd0cb6f mpn/x86_64/coreihwl/gcd_11.asm
--- a/mpn/x86_64/coreihwl/gcd_11.asm	Wed Aug 14 01:06:08 2019 +0200
+++ b/mpn/x86_64/coreihwl/gcd_11.asm	Wed Aug 14 01:54:56 2019 +0200
@@ -76,13 +76,14 @@
 	mov	v0, %rax	C
 	sub	u0, v0		C
 	jz	L(end)		C
+	mov	u0, %r9		C
 
 	ALIGN(16)		C
 L(top):	bsf	v0, %rcx	C
-	mov	u0, %r9		C
 	sub	%rax, u0	C u - v
 	cmovc	v0, u0		C u = |u - v|
 	cmovc	%r9, %rax	C v = min(u,v)
+	shrx(	%rcx, u0, %r9)	C
 	shrx(	%rcx, u0, u0)	C
 	mov	%rax, v0	C
 	sub	u0, v0		C v - u