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For cpu's with Neon, set arm as well. Make unittest allow testdata unaccessable but try proc/cpuinfo

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BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/610005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@273 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-05-30 18:30:03 +00:00
parent ab41581844
commit 7afffcc4d0
4 changed files with 26 additions and 13 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 272
Version: 273
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,7 +11,7 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 272
#define LIBYUV_VERSION 273
#endif // INCLUDE_LIBYUV_VERSION_H_

21
source/cpu_id.cc
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@ -57,14 +57,15 @@ void CpuId(int cpu_info[4], int info_type) {
}
// based on libvpx arm_cpudetect.c
// For Arm, but testable on any CPU
int ArmCpuCaps(const char* cpuinfoname) {
// For Arm, but public to allow testing on any CPU
int ArmCpuCaps(const char* cpuinfo_name) {
int flags = 0;
FILE* fin = fopen(cpuinfoname, "r");
FILE* fin = fopen(cpuinfo_name, "r");
if (fin) {
char buf[512];
while (fgets(buf, 511, fin)) {
if (memcmp(buf, "Features", 8) == 0) {
flags |= kCpuInitialized;
char* p = strstr(buf, " neon");
if (p && (p[5] == ' ' || p[5] == '\n')) {
flags |= kCpuHasNEON;
@ -81,7 +82,7 @@ int ArmCpuCaps(const char* cpuinfoname) {
int cpu_info_ = 0;
int InitCpuFlags() {
#ifdef CPU_X86
#if defined(CPU_X86)
int cpu_info[4];
__cpuid(cpu_info, 1);
cpu_info_ = ((cpu_info[3] & 0x04000000) ? kCpuHasSSE2 : 0) |
@ -113,15 +114,17 @@ int InitCpuFlags() {
if (getenv("LIBYUV_DISABLE_ASM")) {
cpu_info_ = kCpuInitialized;
}
#elif defined(__linux__) && defined(__ARM_NEON__)
cpu_info_ = ArmCpuCaps("/proc/cpuinfo") | kCpuInitialized;
#elif defined(__arm__)
#if defined(__linux__) && defined(__ARM_NEON__)
// linux arm parse text file for neon detect.
cpu_info_ = ArmCpuCaps("/proc/cpuinfo");
#elif defined(__ARM_NEON__)
// gcc -mfpu=neon defines __ARM_NEON__
// Enable Neon if you want support for Neon and Arm, and use MaskCpuFlags
// to disable Neon on devices that do not have it.
cpu_info_ = kCpuHasNEON | kCpuInitialized | kCpuHasARM;
#else
cpu_info_ = kCpuInitialized | kCpuHasARM;
cpu_info_ = kCpuHasNEON;
#endif
cpu_info_ |= kCpuInitialized | kCpuHasARM;
#endif
return cpu_info_;
}

14
unit_test/cpu_test.cc
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@ -89,8 +89,18 @@ TEST_F(libyuvTest, TestCpuId) {
extern "C" int ArmCpuCaps(const char* cpuinfoname);
TEST_F(libyuvTest, TestLinuxNeon) {
EXPECT_EQ(0, ArmCpuCaps("unit_test/testdata/arm_v7.txt"));
EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("unit_test/testdata/tegra3.txt"));
int testdata = ArmCpuCaps("unit_test/testdata/arm_v7.txt");
if (testdata) {
EXPECT_EQ(kCpuInitialized,
ArmCpuCaps("unit_test/testdata/arm_v7.txt"));
EXPECT_EQ((kCpuInitialized | kCpuHasNEON),
ArmCpuCaps("unit_test/testdata/tegra3.txt"));
} else {
printf("WARNING: unable to load \"unit_test/testdata/arm_v7.txt\"\n");
}
#if defined(__linux__) && defined(__ARM_NEON__)
EXPECT_NE(0, ArmCpuCaps("/proc/cpuinfo"));
#endif
}
} // namespace libyuv