generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ec/asm/ecp_nistz256-sparcv9.pl: get corner logic right.

Browse Source 
RT#4284

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Andy Polyakov 2016-03-07 23:50:01 +01:00
parent b564031677
commit 1a66190888
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
crypto/ec/asm/ecp_nistz256-sparcv9.pl
View File

@ -722,6 +722,7 @@ ecp_nistz256_point_double:
mov $rp,$rp_real mov $rp,$rp_real
mov $ap,$ap_real mov $ap,$ap_real
.Lpoint_double_shortcut:
ld [$ap+32],@acc[0] ld [$ap+32],@acc[0]
ld [$ap+32+4],@acc[1] ld [$ap+32+4],@acc[1]
ld [$ap+32+8],@acc[2] ld [$ap+32+8],@acc[2]
@ -994,7 +995,7 @@ ecp_nistz256_point_add:
be,pt %icc,.Ladd_proceed ! (in1infty || in2infty)? be,pt %icc,.Ladd_proceed ! (in1infty || in2infty)?
nop nop
andcc $t2,$t2,%g0 andcc $t2,$t2,%g0
be,pt %icc,.Ladd_proceed ! is_equal(S1,S2)? be,pt %icc,.Ladd_double ! is_equal(S1,S2)?
nop nop
ldx [%fp+STACK_BIAS-8],$rp ldx [%fp+STACK_BIAS-8],$rp
@ -1025,6 +1026,13 @@ ecp_nistz256_point_add:
b .Ladd_done b .Ladd_done
nop nop
.align 16
.Ladd_double:
ldx [%fp+STACK_BIAS-8],$rp_real
mov $ap_real,$ap
b .Lpoint_double_shortcut
add %sp,32*(12-4)+32,%sp ! difference in frame sizes
.align 16 .align 16
.Ladd_proceed: .Ladd_proceed:
add %sp,LOCALS+$R,$bp add %sp,LOCALS+$R,$bp
@ -2016,6 +2024,7 @@ ecp_nistz256_point_double_vis3:
save %sp,-STACK64_FRAME-32*10,%sp save %sp,-STACK64_FRAME-32*10,%sp
mov $rp,$rp_real mov $rp,$rp_real
.Ldouble_shortcut_vis3:
mov -1,$minus1 mov -1,$minus1
mov -2,$poly3 mov -2,$poly3
sllx $minus1,32,$poly1 ! 0xFFFFFFFF00000000 sllx $minus1,32,$poly1 ! 0xFFFFFFFF00000000
@ -2536,8 +2545,8 @@ ecp_nistz256_point_add_vis3:
be,pt %xcc,.Ladd_proceed_vis3 ! (in1infty || in2infty)? be,pt %xcc,.Ladd_proceed_vis3 ! (in1infty || in2infty)?
nop nop
andcc $t2,$t2,%g0 andcc $t2,$t2,%g0
be,pt %xcc,.Ladd_proceed_vis3 ! is_equal(S1,S2)? be,a,pt %xcc,.Ldouble_shortcut_vis3 ! is_equal(S1,S2)?
nop add %sp,32*(12-10)+32,%sp ! difference in frame sizes
st %g0,[$rp_real] st %g0,[$rp_real]
st %g0,[$rp_real+4] st %g0,[$rp_real+4]