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);