|
|
/*
|
/*
|
===============================================================================
|
===============================================================================
|
|
|
This C source file is part of TestFloat, Release 2a, a package of programs
|
This C source file is part of TestFloat, Release 2a, a package of programs
|
for testing the correctness of floating-point arithmetic complying to the
|
for testing the correctness of floating-point arithmetic complying to the
|
IEC/IEEE Standard for Floating-Point.
|
IEC/IEEE Standard for Floating-Point.
|
|
|
Written by John R. Hauser. More information is available through the Web
|
Written by John R. Hauser. More information is available through the Web
|
page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
|
page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
|
|
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
|
|
Derivative works are acceptable, even for commercial purposes, so long as
|
Derivative works are acceptable, even for commercial purposes, so long as
|
(1) they include prominent notice that the work is derivative, and (2) they
|
(1) they include prominent notice that the work is derivative, and (2) they
|
include prominent notice akin to these four paragraphs for those parts of
|
include prominent notice akin to these four paragraphs for those parts of
|
this code that are retained.
|
this code that are retained.
|
|
|
Modified for use with or1ksim's testsuite.
|
Modified for use with or1ksim's testsuite.
|
|
|
Contributor Julius Baxter <julius.baxter@orsoc.se>
|
Contributor Julius Baxter <julius.baxter@orsoc.se>
|
|
|
|
|
===============================================================================
|
===============================================================================
|
*/
|
*/
|
/*
|
/*
|
#include <stdlib.h>
|
#include <stdlib.h>
|
#include <signal.h>
|
#include <signal.h>
|
#include <string.h>
|
#include <string.h>
|
*/
|
*/
|
#include "support.h" // OR1k support C library
|
#include "support.h" // OR1k support C library
|
#include "milieu.h"
|
#include "milieu.h"
|
#include "fail.h"
|
#include "fail.h"
|
#include "softfloat.h"
|
#include "softfloat.h"
|
#include "testCases.h"
|
#include "testCases.h"
|
#include "testLoops.h"
|
#include "testLoops.h"
|
#include "systflags.h"
|
#include "systflags.h"
|
#include "testFunction.h"
|
#include "testFunction.h"
|
/*
|
/*
|
static void catchSIGINT( int signalCode )
|
static void catchSIGINT( int signalCode )
|
{
|
{
|
|
|
if ( stop ) exit( EXIT_FAILURE );
|
if ( stop ) exit( EXIT_FAILURE );
|
stop = TRUE;
|
stop = TRUE;
|
|
|
}
|
}
|
*/
|
*/
|
|
|
// Running this bare metal standalone for OR1K - hard set the configuration
|
// Running this bare metal standalone for OR1K - hard set the configuration
|
int
|
int
|
main( int argc, char **argv )
|
main( int argc, char **argv )
|
{
|
{
|
// char *argPtr; // Unused variable
|
// char *argPtr; // Unused variable
|
flag functionArgument;
|
flag functionArgument;
|
uint8 functionCode;
|
uint8 functionCode;
|
int8 operands, roundingPrecision, roundingMode;
|
int8 operands, roundingPrecision, roundingMode;
|
|
|
fail_programName = "testfloat";
|
fail_programName = "testfloat";
|
//if ( argc <= 1 ) goto writeHelpMessage;
|
//if ( argc <= 1 ) goto writeHelpMessage;
|
testCases_setLevel( 1 );
|
testCases_setLevel( 1 );
|
trueName = "soft";
|
trueName = "soft";
|
testName = "syst";
|
testName = "syst";
|
errorStop = FALSE;
|
errorStop = FALSE;
|
forever = FALSE;
|
forever = FALSE;
|
maxErrorCount = 20;
|
maxErrorCount = 20;
|
trueFlagsPtr = &float_exception_flags;
|
trueFlagsPtr = &float_exception_flags;
|
testFlagsFunctionPtr = syst_float_flags_clear;
|
testFlagsFunctionPtr = syst_float_flags_clear;
|
tininessModeName = 0;
|
tininessModeName = 0;
|
functionArgument = FALSE;
|
functionArgument = FALSE;
|
functionCode = 0;
|
functionCode = 0;
|
operands = 0;
|
operands = 0;
|
roundingPrecision = 0;
|
roundingPrecision = 0;
|
roundingMode = 0;
|
roundingMode = 0;
|
// "all" setting:
|
// "all" setting:
|
functionArgument = TRUE;
|
functionArgument = TRUE;
|
functionCode = 0;
|
functionCode = 0;
|
operands = 0;
|
operands = 0;
|
/*
|
/*
|
--argc;
|
--argc;
|
++argv;
|
++argv;
|
while ( argc && ( argPtr = argv[ 0 ] ) ) {
|
while ( argc && ( argPtr = argv[ 0 ] ) ) {
|
if ( argPtr[ 0 ] == '-' ) ++argPtr;
|
if ( argPtr[ 0 ] == '-' ) ++argPtr;
|
if ( strcmp( argPtr, "help" ) == 0 ) {
|
if ( strcmp( argPtr, "help" ) == 0 ) {
|
writeHelpMessage:
|
writeHelpMessage:
|
fputs(
|
fputs(
|
"testfloat [<option>...] <function>\n"
|
"testfloat [<option>...] <function>\n"
|
" <option>: (* is default)\n"
|
" <option>: (* is default)\n"
|
" -help --Write this message and exit.\n"
|
" -help --Write this message and exit.\n"
|
" -list --List all testable functions and exit.\n"
|
" -list --List all testable functions and exit.\n"
|
" -level <num> --Testing level <num> (1 or 2).\n"
|
" -level <num> --Testing level <num> (1 or 2).\n"
|
" * -level 1\n"
|
" * -level 1\n"
|
" -errors <num> --Stop each function test after <num> errors.\n"
|
" -errors <num> --Stop each function test after <num> errors.\n"
|
" * -errors 20\n"
|
" * -errors 20\n"
|
" -errorstop --Exit after first function with any error.\n"
|
" -errorstop --Exit after first function with any error.\n"
|
" -forever --Test one function repeatedly (implies `-level 2').\n"
|
" -forever --Test one function repeatedly (implies `-level 2').\n"
|
" -checkNaNs --Check for bitwise correctness of NaN results.\n"
|
" -checkNaNs --Check for bitwise correctness of NaN results.\n"
|
#ifdef FLOATX80
|
#ifdef FLOATX80
|
" -precision32 --Only test rounding precision equivalent to float32.\n"
|
" -precision32 --Only test rounding precision equivalent to float32.\n"
|
" -precision64 --Only test rounding precision equivalent to float64.\n"
|
" -precision64 --Only test rounding precision equivalent to float64.\n"
|
" -precision80 --Only test maximum rounding precision.\n"
|
" -precision80 --Only test maximum rounding precision.\n"
|
#endif
|
#endif
|
" -nearesteven --Only test rounding to nearest/even.\n"
|
" -nearesteven --Only test rounding to nearest/even.\n"
|
" -tozero --Only test rounding to zero.\n"
|
" -tozero --Only test rounding to zero.\n"
|
" -down --Only test rounding down.\n"
|
" -down --Only test rounding down.\n"
|
" -up --Only test rounding up.\n"
|
" -up --Only test rounding up.\n"
|
" -tininessbefore --Underflow tininess detected before rounding.\n"
|
" -tininessbefore --Underflow tininess detected before rounding.\n"
|
" -tininessafter --Underflow tininess detected after rounding.\n"
|
" -tininessafter --Underflow tininess detected after rounding.\n"
|
" <function>:\n"
|
" <function>:\n"
|
" int32_to_<float> <float>_add <float>_eq\n"
|
" int32_to_<float> <float>_add <float>_eq\n"
|
" <float>_to_int32 <float>_sub <float>_le\n"
|
" <float>_to_int32 <float>_sub <float>_le\n"
|
" <float>_to_int32_round_to_zero <float>_mul <float>_lt\n"
|
" <float>_to_int32_round_to_zero <float>_mul <float>_lt\n"
|
#ifdef BITS64
|
#ifdef BITS64
|
" int64_to_<float> <float>_div <float>_eq_signaling\n"
|
" int64_to_<float> <float>_div <float>_eq_signaling\n"
|
" <float>_to_int64 <float>_rem <float>_le_quiet\n"
|
" <float>_to_int64 <float>_rem <float>_le_quiet\n"
|
" <float>_to_int64_round_to_zero <float>_lt_quiet\n"
|
" <float>_to_int64_round_to_zero <float>_lt_quiet\n"
|
" <float>_to_<float>\n"
|
" <float>_to_<float>\n"
|
" <float>_round_to_int\n"
|
" <float>_round_to_int\n"
|
" <float>_sqrt\n"
|
" <float>_sqrt\n"
|
#else
|
#else
|
" <float>_to_<float> <float>_div <float>_eq_signaling\n"
|
" <float>_to_<float> <float>_div <float>_eq_signaling\n"
|
" <float>_round_to_int <float>_rem <float>_le_quiet\n"
|
" <float>_round_to_int <float>_rem <float>_le_quiet\n"
|
" <float>_sqrt <float>_lt_quiet\n"
|
" <float>_sqrt <float>_lt_quiet\n"
|
#endif
|
#endif
|
" -all1 --All 1-operand functions.\n"
|
" -all1 --All 1-operand functions.\n"
|
" -all2 --All 2-operand functions.\n"
|
" -all2 --All 2-operand functions.\n"
|
" -all --All functions.\n"
|
" -all --All functions.\n"
|
" <float>:\n"
|
" <float>:\n"
|
" float32 --Single precision.\n"
|
" float32 --Single precision.\n"
|
" float64 --Double precision.\n"
|
" float64 --Double precision.\n"
|
#ifdef FLOATX80
|
#ifdef FLOATX80
|
" floatx80 --Extended double precision.\n"
|
" floatx80 --Extended double precision.\n"
|
#endif
|
#endif
|
#ifdef FLOAT128
|
#ifdef FLOAT128
|
" float128 --Quadruple precision.\n"
|
" float128 --Quadruple precision.\n"
|
#endif
|
#endif
|
,
|
,
|
stdout
|
stdout
|
);
|
);
|
return EXIT_SUCCESS;
|
return EXIT_SUCCESS;
|
}
|
}
|
else if ( strcmp( argPtr, "list" ) == 0 ) {
|
else if ( strcmp( argPtr, "list" ) == 0 ) {
|
for ( functionCode = 1;
|
for ( functionCode = 1;
|
functionCode < NUM_FUNCTIONS;
|
functionCode < NUM_FUNCTIONS;
|
++functionCode
|
++functionCode
|
) {
|
) {
|
if ( functionExists[ functionCode ] ) {
|
if ( functionExists[ functionCode ] ) {
|
puts( functions[ functionCode ].name );
|
puts( functions[ functionCode ].name );
|
}
|
}
|
}
|
}
|
return EXIT_SUCCESS;
|
return EXIT_SUCCESS;
|
}
|
}
|
else if ( strcmp( argPtr, "level" ) == 0 ) {
|
else if ( strcmp( argPtr, "level" ) == 0 ) {
|
if ( argc < 2 ) goto optionError;
|
if ( argc < 2 ) goto optionError;
|
testCases_setLevel( atoi( argv[ 1 ] ) );
|
testCases_setLevel( atoi( argv[ 1 ] ) );
|
--argc;
|
--argc;
|
++argv;
|
++argv;
|
}
|
}
|
else if ( strcmp( argPtr, "level1" ) == 0 ) {
|
else if ( strcmp( argPtr, "level1" ) == 0 ) {
|
testCases_setLevel( 1 );
|
testCases_setLevel( 1 );
|
}
|
}
|
else if ( strcmp( argPtr, "level2" ) == 0 ) {
|
else if ( strcmp( argPtr, "level2" ) == 0 ) {
|
testCases_setLevel( 2 );
|
testCases_setLevel( 2 );
|
}
|
}
|
else if ( strcmp( argPtr, "errors" ) == 0 ) {
|
else if ( strcmp( argPtr, "errors" ) == 0 ) {
|
if ( argc < 2 ) {
|
if ( argc < 2 ) {
|
optionError:
|
optionError:
|
fail( "`%s' option requires numeric argument", argv[ 0 ] );
|
fail( "`%s' option requires numeric argument", argv[ 0 ] );
|
}
|
}
|
maxErrorCount = atoi( argv[ 1 ] );
|
maxErrorCount = atoi( argv[ 1 ] );
|
--argc;
|
--argc;
|
++argv;
|
++argv;
|
}
|
}
|
else if ( strcmp( argPtr, "errorstop" ) == 0 ) {
|
else if ( strcmp( argPtr, "errorstop" ) == 0 ) {
|
errorStop = TRUE;
|
errorStop = TRUE;
|
}
|
}
|
else if ( strcmp( argPtr, "forever" ) == 0 ) {
|
else if ( strcmp( argPtr, "forever" ) == 0 ) {
|
testCases_setLevel( 2 );
|
testCases_setLevel( 2 );
|
forever = TRUE;
|
forever = TRUE;
|
}
|
}
|
else if ( ( strcmp( argPtr, "checkNaNs" ) == 0 )
|
else if ( ( strcmp( argPtr, "checkNaNs" ) == 0 )
|
|| ( strcmp( argPtr, "checknans" ) == 0 ) ) {
|
|| ( strcmp( argPtr, "checknans" ) == 0 ) ) {
|
checkNaNs = TRUE;
|
checkNaNs = TRUE;
|
}
|
}
|
#ifdef FLOATX80
|
#ifdef FLOATX80
|
else if ( strcmp( argPtr, "precision32" ) == 0 ) {
|
else if ( strcmp( argPtr, "precision32" ) == 0 ) {
|
roundingPrecision = 32;
|
roundingPrecision = 32;
|
}
|
}
|
else if ( strcmp( argPtr, "precision64" ) == 0 ) {
|
else if ( strcmp( argPtr, "precision64" ) == 0 ) {
|
roundingPrecision = 64;
|
roundingPrecision = 64;
|
}
|
}
|
else if ( strcmp( argPtr, "precision80" ) == 0 ) {
|
else if ( strcmp( argPtr, "precision80" ) == 0 ) {
|
roundingPrecision = 80;
|
roundingPrecision = 80;
|
}
|
}
|
#endif
|
#endif
|
else if ( ( strcmp( argPtr, "nearesteven" ) == 0 )
|
else if ( ( strcmp( argPtr, "nearesteven" ) == 0 )
|
|| ( strcmp( argPtr, "nearest_even" ) == 0 ) ) {
|
|| ( strcmp( argPtr, "nearest_even" ) == 0 ) ) {
|
roundingMode = ROUND_NEAREST_EVEN;
|
roundingMode = ROUND_NEAREST_EVEN;
|
}
|
}
|
else if ( ( strcmp( argPtr, "tozero" ) == 0 )
|
else if ( ( strcmp( argPtr, "tozero" ) == 0 )
|
|| ( strcmp( argPtr, "to_zero" ) == 0 ) ) {
|
|| ( strcmp( argPtr, "to_zero" ) == 0 ) ) {
|
roundingMode = ROUND_TO_ZERO;
|
roundingMode = ROUND_TO_ZERO;
|
}
|
}
|
else if ( strcmp( argPtr, "down" ) == 0 ) {
|
else if ( strcmp( argPtr, "down" ) == 0 ) {
|
roundingMode = ROUND_DOWN;
|
roundingMode = ROUND_DOWN;
|
}
|
}
|
else if ( strcmp( argPtr, "up" ) == 0 ) {
|
else if ( strcmp( argPtr, "up" ) == 0 ) {
|
roundingMode = ROUND_UP;
|
roundingMode = ROUND_UP;
|
}
|
}
|
else if ( strcmp( argPtr, "tininessbefore" ) == 0 ) {
|
else if ( strcmp( argPtr, "tininessbefore" ) == 0 ) {
|
float_detect_tininess = float_tininess_before_rounding;
|
float_detect_tininess = float_tininess_before_rounding;
|
}
|
}
|
else if ( strcmp( argPtr, "tininessafter" ) == 0 ) {
|
else if ( strcmp( argPtr, "tininessafter" ) == 0 ) {
|
float_detect_tininess = float_tininess_after_rounding;
|
float_detect_tininess = float_tininess_after_rounding;
|
}
|
}
|
else if ( strcmp( argPtr, "all1" ) == 0 ) {
|
else if ( strcmp( argPtr, "all1" ) == 0 ) {
|
functionArgument = TRUE;
|
functionArgument = TRUE;
|
functionCode = 0;
|
functionCode = 0;
|
operands = 1;
|
operands = 1;
|
}
|
}
|
else if ( strcmp( argPtr, "all2" ) == 0 ) {
|
else if ( strcmp( argPtr, "all2" ) == 0 ) {
|
functionArgument = TRUE;
|
functionArgument = TRUE;
|
functionCode = 0;
|
functionCode = 0;
|
operands = 2;
|
operands = 2;
|
}
|
}
|
else if ( strcmp( argPtr, "all" ) == 0 ) {
|
else if ( strcmp( argPtr, "all" ) == 0 ) {
|
functionArgument = TRUE;
|
functionArgument = TRUE;
|
functionCode = 0;
|
functionCode = 0;
|
operands = 0;
|
operands = 0;
|
}
|
}
|
else {
|
else {
|
for ( functionCode = 1;
|
for ( functionCode = 1;
|
functionCode < NUM_FUNCTIONS;
|
functionCode < NUM_FUNCTIONS;
|
++functionCode
|
++functionCode
|
) {
|
) {
|
if ( strcmp( argPtr, functions[ functionCode ].name ) == 0 ) {
|
if ( strcmp( argPtr, functions[ functionCode ].name ) == 0 ) {
|
break;
|
break;
|
}
|
}
|
}
|
}
|
if ( functionCode == NUM_FUNCTIONS ) {
|
if ( functionCode == NUM_FUNCTIONS ) {
|
fail( "Invalid option or function `%s'", argv[ 0 ] );
|
fail( "Invalid option or function `%s'", argv[ 0 ] );
|
}
|
}
|
if ( ! functionExists[ functionCode ] ) {
|
if ( ! functionExists[ functionCode ] ) {
|
fail(
|
fail(
|
"Function `%s' is not supported or cannot be tested",
|
"Function `%s' is not supported or cannot be tested",
|
argPtr
|
argPtr
|
);
|
);
|
}
|
}
|
functionArgument = TRUE;
|
functionArgument = TRUE;
|
}
|
}
|
--argc;
|
--argc;
|
++argv;
|
++argv;
|
}
|
}
|
*/
|
*/
|
if ( ! functionArgument ) fail( "Function argument required" );
|
if ( ! functionArgument ) fail( "Function argument required" );
|
// (void) signal( SIGINT, catchSIGINT );
|
// (void) signal( SIGINT, catchSIGINT );
|
// (void) signal( SIGTERM, catchSIGINT );
|
// (void) signal( SIGTERM, catchSIGINT );
|
if ( functionCode ) {
|
if ( functionCode ) {
|
if ( forever ) {
|
if ( forever ) {
|
if ( ! roundingPrecision ) roundingPrecision = 80;
|
if ( ! roundingPrecision ) roundingPrecision = 80;
|
if ( ! roundingMode ) roundingMode = ROUND_NEAREST_EVEN;
|
if ( ! roundingMode ) roundingMode = ROUND_NEAREST_EVEN;
|
}
|
}
|
testFunction( functionCode, roundingPrecision, roundingMode );
|
testFunction( functionCode, roundingPrecision, roundingMode );
|
}
|
}
|
else {
|
else {
|
|
|
for ( functionCode = 1;
|
for ( functionCode = 1;
|
functionCode < NUM_FUNCTIONS;
|
functionCode < NUM_FUNCTIONS;
|
++functionCode
|
++functionCode
|
) {
|
) {
|
if ( functionExists[ functionCode ] ) {
|
if ( functionExists[ functionCode ] ) {
|
testFunction(
|
testFunction(
|
functionCode, roundingPrecision, roundingMode );
|
functionCode, roundingPrecision, roundingMode );
|
}
|
}
|
}
|
}
|
|
|
}
|
}
|
exitWithStatus();
|
exitWithStatus();
|
|
|
// Should never reach here
|
// Should never reach here
|
return 1;
|
return 1;
|
|
|
}
|
}
|
|
|
|
|
