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Remove unused cp_nistz256_mul_by_2.

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Change-Id: I7fbe3effec27a18c5c42e6140df9ebd6229e06df
Reviewed-on: https://boringssl-review.googlesource.com/13020
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
This commit is contained in:
Brian Smith
2017-01-13 01:28:33 +00:00
committed by CQ bot account: commit-bot@chromium.org
parent cb42354ac3
commit a2bdbb60ec
1 changed files with 0 additions and 45 deletions
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crypto/ec/asm/p256-x86_64-asm.pl
-45
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@@ -78,57 +78,12 @@ $code.=<<___;
___
{
################################################################################
# void ecp_nistz256_mul_by_2(uint64_t res[4], uint64_t a[4]);
my ($a0,$a1,$a2,$a3)=map("%r$_",(8..11));
my ($t0,$t1,$t2,$t3,$t4)=("%rax","%rdx","%rcx","%r12","%r13");
my ($r_ptr,$a_ptr,$b_ptr)=("%rdi","%rsi","%rdx");
$code.=<<___;
.type ecp_nistz256_mul_by_2,\@function,2
.align 64
ecp_nistz256_mul_by_2:
push %r12
push %r13
mov 8*0($a_ptr), $a0
xor $t4,$t4
mov 8*1($a_ptr), $a1
add $a0, $a0 # a0:a3+a0:a3
mov 8*2($a_ptr), $a2
adc $a1, $a1
mov 8*3($a_ptr), $a3
lea .Lpoly(%rip), $a_ptr
mov $a0, $t0
adc $a2, $a2
adc $a3, $a3
mov $a1, $t1
adc \$0, $t4
sub 8*0($a_ptr), $a0
mov $a2, $t2
sbb 8*1($a_ptr), $a1
sbb 8*2($a_ptr), $a2
mov $a3, $t3
sbb 8*3($a_ptr), $a3
sbb \$0, $t4
cmovc $t0, $a0
cmovc $t1, $a1
mov $a0, 8*0($r_ptr)
cmovc $t2, $a2
mov $a1, 8*1($r_ptr)
cmovc $t3, $a3
mov $a2, 8*2($r_ptr)
mov $a3, 8*3($r_ptr)
pop %r13
pop %r12
ret
.size ecp_nistz256_mul_by_2,.-ecp_nistz256_mul_by_2
################################################################################
# void ecp_nistz256_neg(uint64_t res[4], uint64_t a[4]);
.globl ecp_nistz256_neg