111 lines
4.1 KiB
C
111 lines
4.1 KiB
C
/* Header file for common parts of the testsuite
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Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
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All rights reserved.
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Redistribution and use in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the Sony Computer Entertainment Inc nor the names
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of its contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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/* FIXME: Don't use altivec style initializers. */
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#ifndef _TESTUTILS_H_
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#include <altivec.h>
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#define vec_uchar16 vector unsigned char
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#define vec_char16 vector signed char
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#define vec_ushort8 vector unsigned short
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#define vec_short8 vector signed short
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#define vec_uint4 vector unsigned int
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#define vec_int4 vector signed int
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#define vec_ullong2 vector unsigned long long
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#define vec_llong2 vector signed long long
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#define vec_float4 vector float
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#define vec_double2 vector double
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extern unsigned int hide_uint( unsigned int x );
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extern int hide_int( int x );
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extern float hide_float( float x );
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extern float make_float( unsigned int x );
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inline vec_int4 vec_splat_int( int x )
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{
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return (vec_int4){x, x, x, x};
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}
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inline vec_float4 vec_splat_float( float x )
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{
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return (vec_float4){x, x, x, x};
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}
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inline vec_uint4 bitDiff_f4(vec_float4 ref, vec_float4 vals) {
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vec_int4 refi = (vec_int4)ref;
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vec_int4 valsi = (vec_int4)vals;
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vec_int4 diff = vec_sub( refi, valsi );
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vec_int4 negdiff = vec_sub( vec_splat_int(0), diff );
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vec_uint4 lz;
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diff = vec_sel( negdiff, diff, vec_cmpgt( diff, vec_splat_int(0) ) );
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lz = vec_sub( (vec_uint4)vec_splat_int(158), vec_sr( (vec_uint4)vec_ctf( diff, 0 ), (vec_uint4)vec_splat_int(23) ) );
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lz = vec_sel( lz, (vec_uint4)vec_splat_int(32), vec_cmpeq( diff, vec_splat_int(0) ) );
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return vec_sub( (vec_uint4)vec_splat_int(32), lz );
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}
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inline vec_uint4 ulpDiff_f4(vec_float4 ref, vec_float4 vals) {
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vec_int4 refi = (vec_int4)ref;
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vec_int4 valsi = (vec_int4)vals;
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vec_int4 diff = vec_sub( refi, valsi );
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vec_int4 negdiff = vec_sub( vec_splat_int(0), diff );
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return (vec_uint4)( vec_sel( negdiff, diff, vec_cmpgt( diff, vec_splat_int(0) ) ) );
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}
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inline int allequal_int4( vec_int4 x, vec_int4 y )
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{
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return ( vec_all_eq( x, y ) );
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}
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inline int allequal_float4( vec_float4 x, vec_float4 y )
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{
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return ( vec_all_eq( x, y ) );
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}
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inline int allequal_ulps_float4( vec_float4 x, vec_float4 y, int tolerance )
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{
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vec_uint4 vtol = (vec_uint4)vec_splat_int( tolerance );
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vec_uint4 ulps = ulpDiff_f4( x, y );
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return vec_all_le( ulps, vtol );
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}
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inline int allequal_bits_float4( vec_float4 x, vec_float4 y, int tolerance )
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{
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vec_uint4 vtol = (vec_uint4)vec_splat_int( tolerance );
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vec_uint4 bits = bitDiff_f4( x, y );
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return vec_all_le( bits, vtol );
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}
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#endif
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