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require '_h2ph_pre.ph';
no warnings qw(redefine misc);
if(!defined (&_BYTESWAP_H) && !defined (&_NETINET_IN_H) && !defined (&_ENDIAN_H)) {
die("Never use <bits/byteswap.h> directly; include <byteswap.h> instead.");
}
unless(defined(&_BITS_BYTESWAP_H)) {
eval 'sub _BITS_BYTESWAP_H () {1;}' unless defined(&_BITS_BYTESWAP_H);
require 'features.ph';
require 'bits/types.ph';
require 'bits/wordsize.ph';
eval 'sub __bswap_constant_16 {
my($x) = @_;
eval q(( (((($x) >> 8) & 0xff) | ((($x) & 0xff) << 8))));
}' unless defined(&__bswap_constant_16);
require 'bits/byteswap-16.ph';
eval 'sub __bswap_constant_32 {
my($x) = @_;
eval q((((($x) & 0xff000000) >> 24) | ((($x) & 0xff0000) >> 8) | ((($x) & 0xff00) << 8) | ((($x) & 0xff) << 24)));
}' unless defined(&__bswap_constant_32);
if(defined(&__GNUC__)) {
if( &__GNUC_PREREQ (4, 3)) {
eval 'sub __bswap_32 {
my($__bsx) = @_;
eval q({ &__builtin_bswap32 ($__bsx); });
}' unless defined(&__bswap_32);
}
elsif((defined(&__GNUC__) ? &__GNUC__ : undef) >= 2) {
if((defined(&__WORDSIZE) ? &__WORDSIZE : undef) == 64|| (defined (&__i486__) || defined (&__pentium__) || defined (&__pentiumpro__) || defined (&__pentium4__) || defined (&__k8__) || defined (&__athlon__) || defined (&__k6__) || defined (&__nocona__) || defined (&__core2__) || defined (&__geode__) || defined (&__amdfam10__))) {
eval 'sub __bswap_32 {
my($x) = @_;
eval q(\\"(assembly code)\\");
}' unless defined(&__bswap_32);
} else {
eval 'sub __bswap_32 {
my($x) = @_;
eval q(\\"(assembly code)\\");
}' unless defined(&__bswap_32);
}
} else {
eval 'sub __bswap_32 {
my($x) = @_;
eval q(( &__extension__ ({ \'unsigned int __x\' = ($x); &__bswap_constant_32 ( &__x); })));
}' unless defined(&__bswap_32);
}
} else {
eval 'sub __bswap_32 {
my($__bsx) = @_;
eval q({ &__bswap_constant_32 ($__bsx); });
}' unless defined(&__bswap_32);
}
if( &__GNUC_PREREQ (2, 0)) {
eval 'sub __bswap_constant_64 {
my($x) = @_;
eval q(( &__extension__ (((($x) & 0xff00000000000000) >> 56) | ((($x) & 0xff000000000000) >> 40) | ((($x) & 0xff0000000000) >> 24) | ((($x) & 0xff00000000) >> 8) | ((($x) & 0xff000000) << 8) | ((($x) & 0xff0000) << 24) | ((($x) & 0xff00) << 40) | ((($x) & 0xff) << 56))));
}' unless defined(&__bswap_constant_64);
if( &__GNUC_PREREQ (4, 3)) {
eval 'sub __bswap_64 {
my($__bsx) = @_;
eval q({ &__builtin_bswap64 ($__bsx); });
}' unless defined(&__bswap_64);
}
elsif((defined(&__WORDSIZE) ? &__WORDSIZE : undef) == 64) {
eval 'sub __bswap_64 {
my($x) = @_;
eval q(\\"(assembly code)\\");
}' unless defined(&__bswap_64);
} else {
eval 'sub __bswap_64 {
my($x) = @_;
eval q(( &__extension__ ({ \'union union\' { &__extension__ &__uint64_t &__ll; \'unsigned int __l\'[2]; } &__w, &__r; &if ( &__builtin_constant_p ($x)) ($__r->{__ll}) = &__bswap_constant_64 ($x); &else { ($__w->{__ll}) = ($x); ($__r->{__l[0]}) = &__bswap_32 ( ($__w->{__l[1]})); ($__r->{__l[1]}) = &__bswap_32 ( ($__w->{__l[0]})); } ($__r->{__ll}); })));
}' unless defined(&__bswap_64);
}
}
elsif((defined(&__GLIBC_HAVE_LONG_LONG) ? &__GLIBC_HAVE_LONG_LONG : undef)) {
eval 'sub __bswap_constant_64 {
my($x) = @_;
eval q((((($x) & 0xff00000000000000) >> 56) | ((($x) & 0xff000000000000) >> 40) | ((($x) & 0xff0000000000) >> 24) | ((($x) & 0xff00000000) >> 8) | ((($x) & 0xff000000) << 8) | ((($x) & 0xff0000) << 24) | ((($x) & 0xff00) << 40) | ((($x) & 0xff) << 56)));
}' unless defined(&__bswap_constant_64);
eval 'sub __bswap_64 {
my($__bsx) = @_;
eval q({ &__bswap_constant_64 ($__bsx); });
}' unless defined(&__bswap_64);
}
}
1;