6a3e92e9a9
Implement conversion of an i8x16 node to a f32x4 node. Bug: v8:10507 Change-Id: Ifefffb779dbf25b57eae278afe41c11b41c949ac Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2185472 Reviewed-by: Deepti Gandluri <gdeepti@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#67659}
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
// Copyright 2020 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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#include "src/wasm/compilation-environment.h"
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#include "src/wasm/wasm-tier.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/wasm/wasm-run-utils.h"
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#include "test/common/wasm/flag-utils.h"
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#include "test/common/wasm/wasm-macro-gen.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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namespace test_run_wasm_simd {
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#define WASM_SIMD_TEST(name) \
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void RunWasm_##name##_Impl(LowerSimd lower_simd, \
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ExecutionTier execution_tier); \
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TEST(RunWasm_##name##_simd_lowered) { \
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EXPERIMENTAL_FLAG_SCOPE(simd); \
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RunWasm_##name##_Impl(kLowerSimd, ExecutionTier::kTurbofan); \
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} \
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void RunWasm_##name##_Impl(LowerSimd lower_simd, ExecutionTier execution_tier)
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WASM_SIMD_TEST(I8x16ToF32x4) {
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WasmRunner<int32_t, int32_t> r(execution_tier, lower_simd);
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float* g = r.builder().AddGlobal<float>(kWasmS128);
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byte param1 = 0;
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BUILD(r,
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WASM_SET_GLOBAL(
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0, WASM_SIMD_UNOP(kExprF32x4Sqrt,
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WASM_SIMD_I8x16_SPLAT(WASM_GET_LOCAL(param1)))),
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WASM_ONE);
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// Arbitrary pattern that doesn't end up creating a NaN.
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r.Call(0x5b);
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float f = bit_cast<float>(0x5b5b5b5b);
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float actual = ReadLittleEndianValue<float>(&g[0]);
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float expected = std::sqrt(f);
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CHECK_EQ(expected, actual);
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}
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} // namespace test_run_wasm_simd
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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