| // Copyright 2020 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --experimental-wasm-simd --enable-sse3 --enable-ssse3 --enable-sse4-1 |
| |
| load('test/mjsunit/wasm/wasm-module-builder.js'); |
| |
| // This test is shrunk from a test case provided at https://crbug.com/v8/10831. |
| // This exercises a aligned-load bug in ia32. Some SIMD operations were using |
| // instructions that required aligned operands (like movaps and movapd), but we |
| // don't have the right memory alignment yet, see https://crbug.com/v8/9198, |
| // resulting in a SIGSEGV when running the generated code. |
| const builder = new WasmModuleBuilder(); |
| builder.addType(makeSig([], [kWasmI32])); |
| // Generate function 1 (out of 1). |
| builder.addFunction(undefined, 0 /* sig */) |
| .addBodyWithEnd([ |
| // signature: i_v |
| // body: |
| kExprI32Const, 0xfc, 0xb6, 0xed, 0x02, // i32.const |
| kSimdPrefix, kExprI8x16Splat, // i8x16.splat |
| kExprI32Const, 0xfc, 0x00, // i32.const |
| kSimdPrefix, kExprI8x16Splat, // i8x16.splat |
| kSimdPrefix, kExprI64x2Sub, 0x01, // i64x2.sub |
| kExprI32Const, 0x00, // i32.const |
| kSimdPrefix, kExprI8x16Splat, // i8x16.splat |
| kExprI32Const, 0x81, 0x96, 0xf0, 0xe3, 0x07, // i32.const |
| kSimdPrefix, kExprI8x16Splat, // i8x16.splat |
| kSimdPrefix, kExprF64x2Max, 0x01, // f64x2.max |
| kSimdPrefix, kExprI64x2Sub, 0x01, // i64x2.sub |
| kExprI32Const, 0x00, // i32.const |
| kSimdPrefix, kExprI8x16Splat, // i8x16.splat |
| kExprI32Const, 0x00, // i32.const |
| kExprI32Const, 0x0b, // i32.const |
| kExprI32LtU, // i32.lt_u |
| kSimdPrefix, kExprI8x16ReplaceLane, 0x00, // i8x16.replace_lane |
| kExprI32Const, 0xfc, 0xf8, 0x01, // i32.const |
| kSimdPrefix, kExprI8x16Splat, // i8x16.splat |
| kSimdPrefix, kExprF64x2Max, 0x01, // f64x2.max |
| kSimdPrefix, kExprI16x8MaxS, 0x01, // i16x8.max_s |
| kSimdPrefix, kExprV8x16AllTrue, // v8x16.all_true |
| kExprEnd, // end @70 |
| ]); |
| builder.addExport('main', 0); |
| const instance = builder.instantiate(); |
| print(instance.exports.main()); |
