mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
1aa89a7a3a
They now generally conform to the following argument sequence:
script.pl "$(PERLASM_SCHEME)" [ C preprocessor arguments ... ] \
$(PROCESSOR) <output file>
However, in the spirit of being able to use these scripts manually,
they also allow for no argument, or for only the flavour, or for only
the output file. This is done by only using the last argument as
output file if it's a file (it has an extension), and only using the
first argument as flavour if it isn't a file (it doesn't have an
extension).
While we're at it, we make all $xlate calls the same, i.e. the $output
argument is always quoted, and we always die on error when trying to
start $xlate.
There's a perl lesson in this, regarding operator priority...
This will always succeed, even when it fails:
open FOO, "something" || die "ERR: $!";
The reason is that '||' has higher priority than list operators (a
function is essentially a list operator and gobbles up everything
following it that isn't lower priority), and since a non-empty string
is always true, so that ends up being exactly the same as:
open FOO, "something";
This, however, will fail if "something" can't be opened:
open FOO, "something" or die "ERR: $!";
The reason is that 'or' has lower priority that list operators,
i.e. it's performed after the 'open' call.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9884)
387 lines
7.2 KiB
Raku
Executable File
387 lines
7.2 KiB
Raku
Executable File
#! /usr/bin/env perl
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# Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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# $output is the last argument if it looks like a file (it has an extension)
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# $flavour is the first argument if it doesn't look like a file
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$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
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$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
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( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
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die "can't locate ppc-xlate.pl";
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open STDOUT,"| $^X $xlate $flavour \"$output\""
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or die "can't call $xlate: $!";
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if ($flavour=~/64/) {
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$CMPLI="cmpldi";
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$SHRLI="srdi";
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$SIGNX="extsw";
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} else {
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$CMPLI="cmplwi";
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$SHRLI="srwi";
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$SIGNX="mr";
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}
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$code=<<___;
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.machine "any"
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.text
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.globl .OPENSSL_fpu_probe
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.align 4
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.OPENSSL_fpu_probe:
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fmr f0,f0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_fpu_probe,.-.OPENSSL_fpu_probe
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.globl .OPENSSL_ppc64_probe
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.align 4
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.OPENSSL_ppc64_probe:
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fcfid f1,f1
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extrdi r0,r0,32,0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_ppc64_probe,.-.OPENSSL_ppc64_probe
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.globl .OPENSSL_altivec_probe
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.align 4
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.OPENSSL_altivec_probe:
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.long 0x10000484 # vor v0,v0,v0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_altivec_probe,.-..OPENSSL_altivec_probe
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.globl .OPENSSL_crypto207_probe
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.align 4
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.OPENSSL_crypto207_probe:
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lvx_u v0,0,r1
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vcipher v0,v0,v0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe
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.globl .OPENSSL_madd300_probe
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.align 4
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.OPENSSL_madd300_probe:
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xor r0,r0,r0
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maddld r3,r0,r0,r0
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maddhdu r3,r0,r0,r0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.globl .OPENSSL_wipe_cpu
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.align 4
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.OPENSSL_wipe_cpu:
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xor r0,r0,r0
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fmr f0,f31
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fmr f1,f31
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fmr f2,f31
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mr r3,r1
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fmr f3,f31
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xor r4,r4,r4
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fmr f4,f31
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xor r5,r5,r5
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fmr f5,f31
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xor r6,r6,r6
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fmr f6,f31
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xor r7,r7,r7
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fmr f7,f31
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xor r8,r8,r8
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fmr f8,f31
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xor r9,r9,r9
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fmr f9,f31
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xor r10,r10,r10
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fmr f10,f31
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xor r11,r11,r11
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fmr f11,f31
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xor r12,r12,r12
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fmr f12,f31
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fmr f13,f31
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_wipe_cpu,.-.OPENSSL_wipe_cpu
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.globl .OPENSSL_atomic_add
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.align 4
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.OPENSSL_atomic_add:
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Ladd: lwarx r5,0,r3
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add r0,r4,r5
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stwcx. r0,0,r3
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bne- Ladd
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$SIGNX r3,r0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,2,0
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.long 0
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.size .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
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.globl .OPENSSL_rdtsc_mftb
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.align 4
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.OPENSSL_rdtsc_mftb:
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mftb r3
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_rdtsc_mftb,.-.OPENSSL_rdtsc_mftb
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.globl .OPENSSL_rdtsc_mfspr268
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.align 4
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.OPENSSL_rdtsc_mfspr268:
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mfspr r3,268
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size .OPENSSL_rdtsc_mfspr268,.-.OPENSSL_rdtsc_mfspr268
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.globl .OPENSSL_cleanse
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.align 4
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.OPENSSL_cleanse:
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$CMPLI r4,7
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li r0,0
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bge Lot
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$CMPLI r4,0
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beqlr-
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Little: mtctr r4
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stb r0,0(r3)
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addi r3,r3,1
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bdnz \$-8
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blr
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Lot: andi. r5,r3,3
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beq Laligned
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stb r0,0(r3)
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subi r4,r4,1
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addi r3,r3,1
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b Lot
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Laligned:
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$SHRLI r5,r4,2
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mtctr r5
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stw r0,0(r3)
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addi r3,r3,4
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bdnz \$-8
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andi. r4,r4,3
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bne Little
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,2,0
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.long 0
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.size .OPENSSL_cleanse,.-.OPENSSL_cleanse
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globl .CRYPTO_memcmp
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.align 4
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.CRYPTO_memcmp:
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$CMPLI r5,0
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li r0,0
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beq Lno_data
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mtctr r5
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Loop_cmp:
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lbz r6,0(r3)
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addi r3,r3,1
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lbz r7,0(r4)
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addi r4,r4,1
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xor r6,r6,r7
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or r0,r0,r6
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bdnz Loop_cmp
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Lno_data:
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li r3,0
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sub r3,r3,r0
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extrwi r3,r3,1,0
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,3,0
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.long 0
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.size .CRYPTO_memcmp,.-.CRYPTO_memcmp
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___
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{
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my ($out,$cnt,$max)=("r3","r4","r5");
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my ($tick,$lasttick)=("r6","r7");
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my ($diff,$lastdiff)=("r8","r9");
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$code.=<<___;
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.globl .OPENSSL_instrument_bus_mftb
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.align 4
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.OPENSSL_instrument_bus_mftb:
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mtctr $cnt
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mftb $lasttick # collect 1st tick
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li $diff,0
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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Loop: mftb $tick
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sub $diff,$tick,$lasttick
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mr $lasttick,$tick
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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addi $out,$out,4 # ++$out
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bdnz Loop
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mr r3,$cnt
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,2,0
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.long 0
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.size .OPENSSL_instrument_bus_mftb,.-.OPENSSL_instrument_bus_mftb
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.globl .OPENSSL_instrument_bus2_mftb
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.align 4
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.OPENSSL_instrument_bus2_mftb:
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mr r0,$cnt
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slwi $cnt,$cnt,2
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mftb $lasttick # collect 1st tick
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li $diff,0
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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mftb $tick # collect 1st diff
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sub $diff,$tick,$lasttick
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mr $lasttick,$tick
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mr $lastdiff,$diff
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Loop2:
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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addic. $max,$max,-1
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beq Ldone2
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mftb $tick
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sub $diff,$tick,$lasttick
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mr $lasttick,$tick
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cmplw 7,$diff,$lastdiff
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mr $lastdiff,$diff
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mfcr $tick # pull cr
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not $tick,$tick # flip bits
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rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
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sub. $cnt,$cnt,$tick # conditional --$cnt
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add $out,$out,$tick # conditional ++$out
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bne Loop2
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Ldone2:
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srwi $cnt,$cnt,2
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sub r3,r0,$cnt
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,3,0
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.long 0
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.size .OPENSSL_instrument_bus2_mftb,.-.OPENSSL_instrument_bus2_mftb
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.globl .OPENSSL_instrument_bus_mfspr268
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.align 4
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.OPENSSL_instrument_bus_mfspr268:
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mtctr $cnt
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mfspr $lasttick,268 # collect 1st tick
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li $diff,0
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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Loop3: mfspr $tick,268
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sub $diff,$tick,$lasttick
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mr $lasttick,$tick
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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addi $out,$out,4 # ++$out
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bdnz Loop3
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mr r3,$cnt
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,2,0
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.long 0
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.size .OPENSSL_instrument_bus_mfspr268,.-.OPENSSL_instrument_bus_mfspr268
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.globl .OPENSSL_instrument_bus2_mfspr268
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.align 4
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.OPENSSL_instrument_bus2_mfspr268:
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mr r0,$cnt
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slwi $cnt,$cnt,2
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mfspr $lasttick,268 # collect 1st tick
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li $diff,0
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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mfspr $tick,268 # collect 1st diff
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sub $diff,$tick,$lasttick
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mr $lasttick,$tick
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mr $lastdiff,$diff
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Loop4:
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dcbf 0,$out # flush cache line
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lwarx $tick,0,$out # load and lock
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add $tick,$tick,$diff
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stwcx. $tick,0,$out
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stwx $tick,0,$out
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addic. $max,$max,-1
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beq Ldone4
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mfspr $tick,268
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sub $diff,$tick,$lasttick
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mr $lasttick,$tick
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cmplw 7,$diff,$lastdiff
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mr $lastdiff,$diff
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mfcr $tick # pull cr
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not $tick,$tick # flip bits
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rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
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sub. $cnt,$cnt,$tick # conditional --$cnt
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add $out,$out,$tick # conditional ++$out
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bne Loop4
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Ldone4:
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srwi $cnt,$cnt,2
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sub r3,r0,$cnt
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,3,0
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.long 0
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.size .OPENSSL_instrument_bus2_mfspr268,.-.OPENSSL_instrument_bus2_mfspr268
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___
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}
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$code =~ s/\`([^\`]*)\`/eval $1/gem;
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print $code;
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close STDOUT;
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