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bn: Drop unnecessary use of r9

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This is done in other versions due to the possibility of an early
return.  However, there is no early return here.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15798)
This commit is contained in:
Martin Schwenke 2021-06-16 14:58:08 +10:00 committed by Pauli
parent 450d980480
commit 77bd294bd0
1 changed files with 0 additions and 3 deletions
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crypto/bn/asm/ppc64-mont-fixed.pl
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@ -72,8 +72,6 @@ my $np = "r6";
my $n0 = "r7";
my $num = "r8";
$rp = "r9"; # $rp is reassigned
my $c0 = "r10";
my $bp0 = "r11";
my $bpi = "r11";
@ -188,7 +186,6 @@ sub mul_mont_fixed($)
.globl .${fname}
.align 5
.${fname}:
mr $rp,r3
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