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Detect asimd as same as Neon for Arm features. Used on Juno aarch64 linux.

Browse Source 
BUG=361
TESTED=.\libyuv_unittest --gtest_filter=libyuvTest.TestLinuxNeon
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/31439004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1088 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2014-09-22 18:30:17 +00:00
parent 9e430982a1
commit c52d66d7da
5 changed files with 24 additions and 2 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: 1086
Version: 1088
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1086
#define LIBYUV_VERSION 1088
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

6
source/cpu_id.cc
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@ -135,6 +135,12 @@ int ArmCpuCaps(const char* cpuinfo_name) {
fclose(f);
return kCpuHasNEON;
}
// aarch64 uses asimd for Neon.
p = strstr(cpuinfo_line, " asimd");
if (p && (p[6] == ' ' || p[6] == '\n')) {
fclose(f);
return kCpuHasNEON;
}
}
}
fclose(f);

1
unit_test/cpu_test.cc
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@ -126,6 +126,7 @@ TEST_F(libyuvTest, TestLinuxNeon) {
if (FileExists("../../unit_test/testdata/arm_v7.txt")) {
EXPECT_EQ(0, ArmCpuCaps("../../unit_test/testdata/arm_v7.txt"));
EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/tegra3.txt"));
EXPECT_EQ(kCpuHasNEON, ArmCpuCaps("../../unit_test/testdata/juno.txt"));
} else {
printf("WARNING: unable to load \"../../unit_test/testdata/arm_v7.txt\"\n");
}

15
unit_test/testdata/juno.txt vendored Normal file
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@ -0,0 +1,15 @@
Processor : AArch64 Processor rev 0 (aarch64)
processor : 0
processor : 1
processor : 2
processor : 3
processor : 4
processor : 5
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32
CPU implementer : 0x41
CPU architecture: AArch64
CPU variant : 0x0
CPU part : 0xd07
CPU revision : 0
Hardware : Juno