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Remove unused code from ghash-x86_64.pl.

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Thanks to Brian Smith for pointing these out in
https://boringssl-review.googlesource.com/c/boringssl/+/38724.

Change-Id: I715da0778346fcc45aab19855050e18fe95a9185
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/41144
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
This commit is contained in:
David Benjamin 2020-04-30 17:46:16 -04:00 committed by CQ bot account: commit-bot@chromium.org
parent eeb5bb3561
commit dc06e320d8
1 changed files with 0 additions and 28 deletions
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28
crypto/fipsmodule/modes/asm/ghash-x86_64.pl
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@ -117,37 +117,11 @@ open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
$do4xaggr=1;
# common register layout
$nlo="%rax";
$nhi="%rbx";
$Zlo="%r8";
$Zhi="%r9";
$tmp="%r10";
$rem_4bit = "%r11";
$Xi="%rdi";
$Htbl="%rsi";
sub LB() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/ or
$r =~ s/%[er]([sd]i)/%\1l/ or
$r =~ s/%[er](bp)/%\1l/ or
$r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm
{ my $opcode = $AUTOLOAD; $opcode =~ s/.*:://;
my $arg = pop;
$arg = "\$$arg" if ($arg*1 eq $arg);
$code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n";
}
$code=<<___;
.text
.extern OPENSSL_ia32cap_P
___
# per-function register layout
$inp="%rdx";
$len="%rcx";
######################################################################
@ -1308,8 +1282,6 @@ $code.=<<___;
.byte 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0xc2
.L7_mask:
.long 7,0,7,0
.L7_mask_poly:
.long 7,0,`0xE1<<1`,0
.align 64
.asciz "GHASH for x86_64, CRYPTOGAMS by <appro\@openssl.org>"