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Unified Diff: base/cpu_unittest.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/cpu_unittest.cc
diff --git a/base/cpu_unittest.cc b/base/cpu_unittest.cc
deleted file mode 100644
index 18bf959a55edaac568e4feebd8bf018321657034..0000000000000000000000000000000000000000
--- a/base/cpu_unittest.cc
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/cpu.h"
-#include "build/build_config.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-// Tests whether we can run extended instructions represented by the CPU
-// information. This test actually executes some extended instructions (such as
-// MMX, SSE, etc.) supported by the CPU and sees we can run them without
-// "undefined instruction" exceptions. That is, this test succeeds when this
-// test finishes without a crash.
-TEST(CPU, RunExtendedInstructions) {
-#if defined(ARCH_CPU_X86_FAMILY)
- // Retrieve the CPU information.
- base::CPU cpu;
-
-// TODO(jschuh): crbug.com/168866 Find a way to enable this on Win64.
-#if defined(OS_WIN) && !defined(_M_X64)
- ASSERT_TRUE(cpu.has_mmx());
-
- // Execute an MMX instruction.
- __asm emms;
-
- if (cpu.has_sse()) {
- // Execute an SSE instruction.
- __asm xorps xmm0, xmm0;
- }
-
- if (cpu.has_sse2()) {
- // Execute an SSE 2 instruction.
- __asm psrldq xmm0, 0;
- }
-
- if (cpu.has_sse3()) {
- // Execute an SSE 3 instruction.
- __asm addsubpd xmm0, xmm0;
- }
-
- if (cpu.has_ssse3()) {
- // Execute a Supplimental SSE 3 instruction.
- __asm psignb xmm0, xmm0;
- }
-
- if (cpu.has_sse41()) {
- // Execute an SSE 4.1 instruction.
- __asm pmuldq xmm0, xmm0;
- }
-
- if (cpu.has_sse42()) {
- // Execute an SSE 4.2 instruction.
- __asm crc32 eax, eax;
- }
-#elif defined(OS_POSIX) && defined(__x86_64__)
- ASSERT_TRUE(cpu.has_mmx());
-
- // Execute an MMX instruction.
- __asm__ __volatile__("emms\n" : : : "mm0");
-
- if (cpu.has_sse()) {
- // Execute an SSE instruction.
- __asm__ __volatile__("xorps %%xmm0, %%xmm0\n" : : : "xmm0");
- }
-
- if (cpu.has_sse2()) {
- // Execute an SSE 2 instruction.
- __asm__ __volatile__("psrldq $0, %%xmm0\n" : : : "xmm0");
- }
-
- if (cpu.has_sse3()) {
- // Execute an SSE 3 instruction.
- __asm__ __volatile__("addsubpd %%xmm0, %%xmm0\n" : : : "xmm0");
- }
-
- if (cpu.has_ssse3()) {
- // Execute a Supplimental SSE 3 instruction.
- __asm__ __volatile__("psignb %%xmm0, %%xmm0\n" : : : "xmm0");
- }
-
- if (cpu.has_sse41()) {
- // Execute an SSE 4.1 instruction.
- __asm__ __volatile__("pmuldq %%xmm0, %%xmm0\n" : : : "xmm0");
- }
-
- if (cpu.has_sse42()) {
- // Execute an SSE 4.2 instruction.
- __asm__ __volatile__("crc32 %%eax, %%eax\n" : : : "eax");
- }
-#endif
-#endif
-}
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