59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
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// Copyright 2024 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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function MakeBody(lane_width) {
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let select_instr = lane_width == 8 ? kExprI8x16RelaxedLaneSelect :
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lane_width == 16 ? kExprI16x8RelaxedLaneSelect :
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lane_width == 32 ? kExprI32x4RelaxedLaneSelect :
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lane_width == 64 ? kExprI64x2RelaxedLaneSelect : null;
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assertNotNull(select_instr);
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return [
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// Value A: all 0-bits.
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kExprI32Const, 0x00,
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kSimdPrefix, kExprI8x16Splat,
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// Value B: all 1-bits.
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...wasmI32Const(0xFF),
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kSimdPrefix, kExprI8x16Splat,
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// Mask: a wild mix of bit patterns.
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...wasmS128Const([0x80, 0x7F, 0xC0, 0x3F, 0x40, 0x9F, 0x20, 0x1F,
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0x70, 0xA0, 0xFF, 0x00, 0xFF, 0xFF, 0x10, 0x01]),
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// The main point of the test: use the mask to select lanes.
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kSimdPrefix, ...select_instr,
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// Let's see which lanes were selected for each byte.
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kSimdPrefix, kExprI8x16BitMask, 0x01,
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];
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}
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builder.addFunction('test8', kSig_i_v).exportFunc().addBody(MakeBody(8));
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builder.addFunction('test16', kSig_i_v).exportFunc().addBody(MakeBody(16));
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builder.addFunction('test32', kSig_i_v).exportFunc().addBody(MakeBody(32));
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builder.addFunction('test64', kSig_i_v).exportFunc().addBody(MakeBody(64));
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const instance = builder.instantiate();
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let test8 = instance.exports.test8;
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let test16 = instance.exports.test16;
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let test32 = instance.exports.test32;
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let test64 = instance.exports.test64;
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let test8_result = test8();
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let test16_result = test16();
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let test32_result = test32();
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let test64_result = test64();
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%WasmTierUpFunction(test8);
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%WasmTierUpFunction(test16);
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%WasmTierUpFunction(test32);
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%WasmTierUpFunction(test64);
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assertEquals(test8_result, test8());
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assertEquals(test16_result, test16());
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assertEquals(test32_result, test32());
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assertEquals(test64_result, test64());
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