function testConversion0(resultType, opcode, paramType, op, expect) {
if (resultType === 'i64' ) {
wasmFullPassI64(`(module
(func $run (param ${paramType}) (result ${resultType})
(${opcode} (local.get 0))
)
)`, expect, {}, `${paramType}.const ${op}`);
// The same, but now the input is a constant.
wasmFullPassI64(`(module
(func $run (result ${resultType})
(${opcode} (${paramType}.const ${op}))
)
)`, expect);
} else if (paramType === 'i64' ) {
wasmFullPass(`(module
(func $f (param ${paramType}) (result ${resultType})
(${opcode} (local.get 0))
)
(func (export "run" ) (result ${resultType})
i64.const ${op}
call $f
)
)`, expect, {});
} else {
wasmFullPass(`(module
(func (param ${paramType}) (result ${resultType})
(${opcode} (local.get 0)))
(export "run" (func 0))
)`, expect, {}, op);
}
for (var bad of ['i32' , 'f32' , 'f64' , 'i64' ]) {
if (bad !== resultType) {
wasmFailValidateText(
`(module (func (param ${paramType}) (result ${bad}) (${opcode} (local.get 0))))`,
mismatchError(resultType, bad)
);
}
if (bad !== paramType) {
wasmFailValidateText(
`(module (func (param ${bad}) (result ${resultType}) (${opcode} (local.get 0))))`,
mismatchError(bad, paramType)
);
}
}
}
function testConversion(resultType, opcode, paramType, op, expect) {
testConversion0(resultType, `${resultType}.${opcode}`, paramType, op, expect);
}
function testSignExtension(resultType, opcode, paramType, op, expect) {
testConversion0(resultType, `${resultType}.${opcode}`, paramType, op, expect);
}
function testTrap(resultType, opcode, paramType, op) {
let func = wasmEvalText(`(module
(func
(param ${paramType})
(result ${resultType})
(${resultType}.${opcode} (local.get 0))
)
(func
(param ${paramType})
local.get 0
call 0
drop
)
(export "" (func 1))
)`).exports["" ];
let expectedError = op === 'nan' ? /invalid conversion to integer/ : /integer overflow/;
assertErrorMessage(() => func(jsify(op)), Error, expectedError);
}
var p = Math.pow;
testConversion('i32' , 'wrap_i64' , 'i64' , '0x100000028' , 40);
testConversion('i32' , 'wrap_i64' , 'i64' , -10, -10);
testConversion('i32' , 'wrap_i64' , 'i64' , "0xffffffff7fffffff" , 0x7fffffff);
testConversion('i32' , 'wrap_i64' , 'i64' , "0xffffffff00000000" , 0);
testConversion('i32' , 'wrap_i64' , 'i64' , "0xfffffffeffffffff" , -1);
testConversion('i32' , 'wrap_i64' , 'i64' , "0x1234567801abcdef" , 0x01abcdef);
testConversion('i32' , 'wrap_i64' , 'i64' , "0x8000000000000002" , 2);
testConversion('i64' , 'extend_i32_s' , 'i32' , 0, 0);
testConversion('i64' , 'extend_i32_s' , 'i32' , 1234, 1234);
testConversion('i64' , 'extend_i32_s' , 'i32' , -567, -567);
testConversion('i64' , 'extend_i32_s' , 'i32' , 0x7fffffff, "0x000000007fffffff" );
testConversion('i64' , 'extend_i32_s' , 'i32' , 0x80000000, "0xffffffff80000000" );
testConversion('i64' , 'extend_i32_u' , 'i32' , 0, 0);
testConversion('i64' , 'extend_i32_u' , 'i32' , 1234, 1234);
testConversion('i64' , 'extend_i32_u' , 'i32' , -567, "0x00000000fffffdc9" );
testConversion('i64' , 'extend_i32_u' , 'i32' , -1, "0x00000000ffffffff" );
testConversion('i64' , 'extend_i32_u' , 'i32' , 0x7fffffff, "0x000000007fffffff" );
testConversion('i64' , 'extend_i32_u' , 'i32' , 0x80000000, "0x0000000080000000" );
testConversion('f32' , 'convert_i64_s' , 'i64' , 1, 1.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , -1, -1.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , 0, 0.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x7fffffffffffffff" , 9223372036854775807.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x8000000000000000" , -9223372036854775808.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x11db9e76a2483" , 314159275180032.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x7fffffff" , 2147483648.0); // closest approx.
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x80000000" , 2147483648.0);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x80000001" , 2147483648.0); // closest approx.
// Interesting values at the boundaries.
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x358a09a000000002" , 3857906751034621952);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x8000004000000001" , -9223371487098961920);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0xffdfffffdfffffff" , -9007200328482816);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x0020000020000001" , 9007200328482816);
testConversion('f32' , 'convert_i64_s' , 'i64' , "0x7fffff4000000001" , 9223371487098961920);
testConversion('f64' , 'convert_i64_s' , 'i64' , 1, 1.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , -1, -1.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , 0, 0.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , "0x7fffffffffffffff" , 9223372036854775807.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , "0x8000000000000000" , -9223372036854775808.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , "0x10969d374b968e" , 4669201609102990);
testConversion('f64' , 'convert_i64_s' , 'i64' , "0x7fffffff" , 2147483647.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , "0x80000000" , 2147483648.0);
testConversion('f64' , 'convert_i64_s' , 'i64' , "0x80000001" , 2147483649.0);
testConversion('f32' , 'convert_i64_u' , 'i64' , 1, 1.0);
testConversion('f32' , 'convert_i64_u' , 'i64' , 0, 0.0);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x7fffffffffffffff" , 9223372036854775807.0);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x8000000000000000" , 9223372036854775808.0);
testConversion('f32' , 'convert_i64_u' , 'i64' , -1, 18446744073709551616.0);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0xffff0000ffff0000" , 18446462598732840000.0);
// Interesting values at the boundaries.
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x100404900000008" , 72128280609685500);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x7fffff4000000001" , 9223371487098962000);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x0020000020000001" , 9007200328482816);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x7fffffbfffffffff" , 9223371487098961920);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0x8000008000000001" , 9223373136366403584);
testConversion('f32' , 'convert_i64_u' , 'i64' , "0xfffffe8000000001" , 18446742974197923840);
testConversion('f64' , 'convert_i64_u' , 'i64' , 1, 1.0);
testConversion('f64' , 'convert_i64_u' , 'i64' , 0, 0.0);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0x7fffffffffffffff" , 9223372036854775807.0);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0x8000000000000000" , 9223372036854775808.0);
testConversion('f64' , 'convert_i64_u' , 'i64' , -1, 18446744073709551616.0);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0xffff0000ffff0000" , 18446462603027743000.0);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0xbf869c3369c26401" , 13800889852755077000);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0x7fffff4000000001" , 9223371212221054976);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0x8000008000000001" , 9223372586610589696);
testConversion('f64' , 'convert_i64_u' , 'i64' , "0xfffffe8000000001" , 18446742424442109952);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 0.0, 0);
testConversion('i64' , 'trunc_f64_s' , 'f64' , "-0.0" , 0);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 1.0, 1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 1.1, 1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 1.5, 1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 1.99, 1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 40.1, 40);
testConversion('i64' , 'trunc_f64_s' , 'f64' , -1.0, -1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , -1.1, -1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , -1.5, -1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , -1.99, -1);
testConversion('i64' , 'trunc_f64_s' , 'f64' , -2.0, -2);
testConversion('i64' , 'trunc_f64_s' , 'f64' , 4294967296.1, "0x100000000" );
testConversion('i64' , 'trunc_f64_s' , 'f64' , -4294967296.8, "0xffffffff00000000" );
testConversion('i64' , 'trunc_f64_s' , 'f64' , 9223372036854774784.8, "0x7ffffffffffffc00" );
testConversion('i64' , 'trunc_f64_s' , 'f64' , -9223372036854775808.3, "0x8000000000000000" );
testConversion('i64' , 'trunc_f64_u' , 'f64' , 0.0, 0);
testConversion('i64' , 'trunc_f64_u' , 'f64' , "-0.0" , 0);
testConversion('i64' , 'trunc_f64_u' , 'f64' , 1.0, 1);
testConversion('i64' , 'trunc_f64_u' , 'f64' , 1.1, 1);
testConversion('i64' , 'trunc_f64_u' , 'f64' , 1.5, 1);
testConversion('i64' , 'trunc_f64_u' , 'f64' , 1.99, 1);
testConversion('i64' , 'trunc_f64_u' , 'f64' , -0.9, 0);
testConversion('i64' , 'trunc_f64_u' , 'f64' , 40.1, 40);
testConversion('i64' , 'trunc_f64_u' , 'f64' , 4294967295, "0xffffffff" );
testConversion('i64' , 'trunc_f64_u' , 'f64' , 4294967296.1, "0x100000000" );
testConversion('i64' , 'trunc_f64_u' , 'f64' , 1e8, "0x5f5e100" );
testConversion('i64' , 'trunc_f64_u' , 'f64' , 1e16, "0x2386f26fc10000" );
testConversion('i64' , 'trunc_f64_u' , 'f64' , 9223372036854775808, "0x8000000000000000" );
testConversion('i64' , 'trunc_f64_u' , 'f64' , 18446744073709549568.1, -2048);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 0.0, 0);
testConversion('i64' , 'trunc_f32_s' , 'f32' , "-0.0" , 0);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 1.0, 1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 1.1, 1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 1.5, 1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 1.99, 1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 40.1, 40);
testConversion('i64' , 'trunc_f32_s' , 'f32' , -1.0, -1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , -1.1, -1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , -1.5, -1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , -1.99, -1);
testConversion('i64' , 'trunc_f32_s' , 'f32' , -2.0, -2);
testConversion('i64' , 'trunc_f32_s' , 'f32' , 4294967296.1, "0x100000000" );
testConversion('i64' , 'trunc_f32_s' , 'f32' , -4294967296.8, "0xffffffff00000000" );
testConversion('i64' , 'trunc_f32_s' , 'f32' , 9223371487098961920.0, "0x7fffff8000000000" );
testConversion('i64' , 'trunc_f32_s' , 'f32' , -9223372036854775808.3, "0x8000000000000000" );
testConversion('i64' , 'trunc_f32_u' , 'f32' , 0.0, 0);
testConversion('i64' , 'trunc_f32_u' , 'f32' , "-0.0" , 0);
testConversion('i64' , 'trunc_f32_u' , 'f32' , 1.0, 1);
testConversion('i64' , 'trunc_f32_u' , 'f32' , 1.1, 1);
testConversion('i64' , 'trunc_f32_u' , 'f32' , 1.5, 1);
testConversion('i64' , 'trunc_f32_u' , 'f32' , 1.99, 1);
testConversion('i64' , 'trunc_f32_u' , 'f32' , -0.9, 0);
testConversion('i64' , 'trunc_f32_u' , 'f32' , 40.1, 40);
testConversion('i64' , 'trunc_f32_u' , 'f32' , 1e8, "0x5f5e100" );
testConversion('i64' , 'trunc_f32_u' , 'f32' , 4294967296, "0x100000000" );
testConversion('i64' , 'trunc_f32_u' , 'f32' , 18446742974197923840.0, "0xffffff0000000000" );
testTrap('i64' , 'trunc_f64_s' , 'f64' , 9223372036854776000.0);
testTrap('i64' , 'trunc_f64_s' , 'f64' , -9223372036854778000.0);
testTrap('i64' , 'trunc_f64_s' , 'f64' , "nan" );
testTrap('i64' , 'trunc_f64_s' , 'f64' , "inf" );
testTrap('i64' , 'trunc_f64_s' , 'f64' , "-inf" );
testTrap('i64' , 'trunc_f64_u' , 'f64' , -1);
testTrap('i64' , 'trunc_f64_u' , 'f64' , 18446744073709551616.0);
testTrap('i64' , 'trunc_f64_u' , 'f64' , "nan" );
testTrap('i64' , 'trunc_f64_u' , 'f64' , "inf" );
testTrap('i64' , 'trunc_f64_u' , 'f64' , "-inf" );
testTrap('i64' , 'trunc_f32_s' , 'f32' , 9223372036854776000.0);
testTrap('i64' , 'trunc_f32_s' , 'f32' , -9223372586610630000.0);
testTrap('i64' , 'trunc_f32_s' , 'f32' , "nan" );
testTrap('i64' , 'trunc_f32_s' , 'f32' , "inf" );
testTrap('i64' , 'trunc_f32_s' , 'f32' , "-inf" );
testTrap('i64' , 'trunc_f32_u' , 'f32' , 18446744073709551616.0);
testTrap('i64' , 'trunc_f32_u' , 'f32' , -1);
testTrap('i64' , 'trunc_f32_u' , 'f32' , "nan" );
testTrap('i64' , 'trunc_f32_u' , 'f32' , "inf" );
testTrap('i64' , 'trunc_f32_u' , 'f32' , "-inf" );
testConversion('i64' , 'reinterpret_f64' , 'f64' , 40.09999999999968, "0x40440ccccccccca0" );
testConversion('f64' , 'reinterpret_i64' , 'i64' , "0x40440ccccccccca0" , 40.09999999999968);
var u64max = '0xffffffffffffffff' ;
var s64max = '0x7fffffffffffffff' ;
var s64min = '-0x8000000000000000' ;
var s32max = 2147483647;
var s32min = -2147483648;
testConversion('i32' , 'trunc_sat_f32_s' , 'f32' , NaN, 0);
testConversion('i32' , 'trunc_sat_f32_s' , 'f32' , Infinity, s32max);
testConversion('i32' , 'trunc_sat_f32_s' , 'f32' , -Infinity, s32min);
testConversion('i32' , 'trunc_sat_f32_s' , 'f32' , p(2, 31), s32max);
testConversion('i32' , 'trunc_sat_f32_s' , 'f32' , -p(2, 31) - 256, s32min);
testConversion('i32' , 'trunc_sat_f64_s' , 'f64' , NaN, 0);
testConversion('i32' , 'trunc_sat_f64_s' , 'f64' , Infinity, s32max);
testConversion('i32' , 'trunc_sat_f64_s' , 'f64' , -Infinity, s32min);
testConversion('i32' , 'trunc_sat_f64_s' , 'f64' , p(2, 31), s32max);
testConversion('i32' , 'trunc_sat_f64_s' , 'f64' , -p(2, 31) - 1, s32min);
testConversion('i32' , 'trunc_sat_f32_u' , 'f32' , NaN, 0);
testConversion('i32' , 'trunc_sat_f32_u' , 'f32' , Infinity, -1);
testConversion('i32' , 'trunc_sat_f32_u' , 'f32' , -Infinity, 0);
testConversion('i32' , 'trunc_sat_f32_u' , 'f32' , -1, 0);
testConversion('i32' , 'trunc_sat_f32_u' , 'f32' , p(2, 32), -1);
testConversion('i32' , 'trunc_sat_f64_u' , 'f64' , NaN, 0);
testConversion('i32' , 'trunc_sat_f64_u' , 'f64' , Infinity, -1);
testConversion('i32' , 'trunc_sat_f64_u' , 'f64' , -Infinity, 0);
testConversion('i32' , 'trunc_sat_f64_u' , 'f64' , -1, 0);
testConversion('i32' , 'trunc_sat_f64_u' , 'f64' , p(2, 32), -1);
testConversion('i64' , 'trunc_sat_f64_s' , 'f64' , 9223372036854776000.0, s64max);
testConversion('i64' , 'trunc_sat_f64_s' , 'f64' , -9223372036854778000.0, s64min);
testConversion('i64' , 'trunc_sat_f64_s' , 'f64' , 'nan' , '0' );
testConversion('i64' , 'trunc_sat_f64_s' , 'f64' , 'inf' , s64max);
testConversion('i64' , 'trunc_sat_f64_s' , 'f64' , '-inf' , s64min);
testConversion('i64' , 'trunc_sat_f64_u' , 'f64' , -1, '0' );
testConversion('i64' , 'trunc_sat_f64_u' , 'f64' , 18446744073709551616.0, u64max);
testConversion('i64' , 'trunc_sat_f64_u' , 'f64' , 'nan' , '0' );
testConversion('i64' , 'trunc_sat_f64_u' , 'f64' , 'inf' , u64max);
testConversion('i64' , 'trunc_sat_f64_u' , 'f64' , '-inf' , '0' );
testConversion('i64' , 'trunc_sat_f32_s' , 'f32' , 9223372036854776000.0, s64max);
testConversion('i64' , 'trunc_sat_f32_s' , 'f32' , -9223372586610630000.0, s64min);
testConversion('i64' , 'trunc_sat_f32_s' , 'f32' , 'nan' , '0' );
testConversion('i64' , 'trunc_sat_f32_s' , 'f32' , 'inf' , s64max);
testConversion('i64' , 'trunc_sat_f32_s' , 'f32' , '-inf' , s64min);
testConversion('i64' , 'trunc_sat_f32_u' , 'f32' , 18446744073709551616.0, u64max);
testConversion('i64' , 'trunc_sat_f32_u' , 'f32' , -1, '0' );
testConversion('i64' , 'trunc_sat_f32_u' , 'f32' , 'nan' , '0' );
testConversion('i64' , 'trunc_sat_f32_u' , 'f32' , 'inf' , u64max);
testConversion('i64' , 'trunc_sat_f32_u' , 'f32' , '-inf' , '0' );
testSignExtension('i32' , 'extend8_s' , 'i32' , 0x7F, 0x7F);
testSignExtension('i32' , 'extend8_s' , 'i32' , 0x80, -0x80);
testSignExtension('i32' , 'extend16_s' , 'i32' , 0x7FFF, 0x7FFF);
testSignExtension('i32' , 'extend16_s' , 'i32' , 0x8000, -0x8000);
testSignExtension('i64' , 'extend8_s' , 'i64' , 0x7F, 0x7F);
testSignExtension('i64' , 'extend8_s' , 'i64' , 0x80, -0x80);
testSignExtension('i64' , 'extend16_s' , 'i64' , 0x7FFF, 0x7FFF);
testSignExtension('i64' , 'extend16_s' , 'i64' , 0x8000, -0x8000);
testSignExtension('i64' , 'extend_i32_s' , 'i32' , 0x7FFFFFFF, 0x7FFFFFFF);
testSignExtension('i64' , 'extend_i32_s' , 'i32' , "0x80000000" , "0xFFFFFFFF80000000" );
// i32.trunc_s* : all values in ] -2**31 - 1; 2**31 [ are acceptable.
// f32:
testConversion('i32' , 'trunc_f32_s' , 'f32' , 40.1, 40);
testConversion('i32' , 'trunc_f32_s' , 'f32' , p(2, 31) - 128, p(2, 31) - 128); // last f32 value exactly representable < 2**31.
testConversion('i32' , 'trunc_f32_s' , 'f32' , -p(2, 31), -p(2,31)); // last f32 value exactly representable > -2**31 - 1.
testTrap('i32' , 'trunc_f32_s' , 'f32' , 'nan' );
testTrap('i32' , 'trunc_f32_s' , 'f32' , 'inf' );
testTrap('i32' , 'trunc_f32_s' , 'f32' , '-inf' );
testTrap('i32' , 'trunc_f32_s' , 'f32' , p(2, 31));
testTrap('i32' , 'trunc_f32_s' , 'f32' , -p(2,31) - 256);
testConversion('i32' , 'trunc_f64_s' , 'f64' , 40.1, 40);
testConversion('i32' , 'trunc_f64_s' , 'f64' , p(2,31) - 0.001, p(2,31) - 1); // example value near the top.
testConversion('i32' , 'trunc_f64_s' , 'f64' , -p(2,31) - 0.999, -p(2,31)); // example value near the bottom.
// f64:
testTrap('i32' , 'trunc_f64_s' , 'f64' , 'nan' );
testTrap('i32' , 'trunc_f64_s' , 'f64' , 'inf' );
testTrap('i32' , 'trunc_f64_s' , 'f64' , '-inf' );
testTrap('i32' , 'trunc_f64_s' , 'f64' , p(2,31));
testTrap('i32' , 'trunc_f64_s' , 'f64' , -p(2,31) - 1);
// i32.trunc_u* : all values in ] -1; 2**32 [ are acceptable.
// f32:
testConversion('i32' , 'trunc_f32_u' , 'f32' , 40.1, 40);
testConversion('i32' , 'trunc_f32_u' , 'f32' , p(2,31), p(2,31)|0);
testConversion('i32' , 'trunc_f32_u' , 'f32' , p(2,32) - 256, (p(2,32) - 256)|0); // last f32 value exactly representable < 2**32.
testConversion('i32' , 'trunc_f32_u' , 'f32' , -0.99, 0); // example value near the bottom.
testTrap('i32' , 'trunc_f32_u' , 'f32' , 'nan' );
testTrap('i32' , 'trunc_f32_u' , 'f32' , 'inf' );
testTrap('i32' , 'trunc_f32_u' , 'f32' , '-inf' );
testTrap('i32' , 'trunc_f32_u' , 'f32' , -1);
testTrap('i32' , 'trunc_f32_u' , 'f32' , p(2,32));
// f64:
testConversion('i32' , 'trunc_f64_u' , 'f64' , 40.1, 40);
testConversion('i32' , 'trunc_f64_u' , 'f64' , p(2,32) - 0.001, (p(2,32) - 1)|0); // example value near the top.
testConversion('i32' , 'trunc_f64_u' , 'f64' , -0.99999, 0); // example value near the bottom.
testTrap('i32' , 'trunc_f64_u' , 'f64' , 'nan' );
testTrap('i32' , 'trunc_f64_u' , 'f64' , 'inf' );
testTrap('i32' , 'trunc_f64_u' , 'f64' , '-inf' );
testTrap('i32' , 'trunc_f64_u' , 'f64' , -1);
testTrap('i32' , 'trunc_f64_u' , 'f64' , p(2,32));
// Other opcodes.
testConversion('i32' , 'reinterpret_f32' , 'f32' , 40.1, 1109419622);
testConversion('f32' , 'reinterpret_i32' , 'i32' , 40, 5.605193857299268e-44);
testConversion('f32' , 'convert_i32_s' , 'i32' , 40, 40);
testConversion('f32' , 'convert_i32_u' , 'i32' , 40, 40);
testConversion('f64' , 'convert_i32_s' , 'i32' , 40, 40);
testConversion('f64' , 'convert_i32_u' , 'i32' , 40, 40);
testConversion('f32' , 'demote_f64' , 'f64' , 40.1, 40.099998474121094);
testConversion('f64' , 'promote_f32' , 'f32' , 40.1, 40.099998474121094);
// Non-canonical NaNs.
// Wasm v1.1 spec 4.3.4 "Conversions", subsection demote(z): if z is a NaN but
// not canonical, return any NaN. That is, the sign is arbitrary and the
// payload is arbitrary, except that the most significant bit of the payload
// must be set. We check simply that a quiet NaN is returned and ignore the
// sign and payload.
wasmFullPass(`
(module
(func (result i32)
(i32.and
(i32.const 0x7FC00000)
(i32.reinterpret_f32
(f32.demote_f64 (f64.const -nan:0x4444444444444)))))
(export "run" (func 0)))`,
0x7FC00000);
// Wasm v1.1 spec 4.3.4 "Conversions", subsection promote(z): if z is a NaN but
// not canonical, return any NaN. See above.
wasmFullPass(`
(module
(func (result i64)
(i64.and
(i64.const 0x7FF8000000000000)
(i64.reinterpret_f64 (f64.promote_f32 (f32.const -nan:0x222222)))))
(export "run" (func 0)))`,
0x7FF8_0000_0000_0000n);
Messung V0.5 C=93 H=92 G=92
¤ Dauer der Verarbeitung: 0.35 Sekunden
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