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52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
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Copied from Debian.
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Description: Disable SSE2 code on i386
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This patch is not complete. A high-graded solution may use automatic switching
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between SSE2 and C++ implementations based on the results of runtime checks.
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The webrtc code already provides for one of them inside its GetCPUInfo function.
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Bug-Debian: https://bugs.debian.org/892823
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Author: Nicholas Guriev <guriev-ns@ya.ru>
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Last-Update: Tue, 29 Jan 2019 23:26:38 +0300
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--- a/libtgvoip.gyp
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+++ b/libtgvoip.gyp
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@@ -871,11 +871,7 @@
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'WEBRTC_POSIX',
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],
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'conditions': [
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- [ '"<!(uname -m)" == "i686"', {
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- 'cflags_cc': [
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- '-msse2',
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- ],
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- }], ['"<!(uname -s)" == "Linux"', {
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+ [ '"<!(uname -s)" == "Linux"', {
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'defines': [
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'WEBRTC_LINUX',
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],
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--- a/webrtc_dsp/rtc_base/system/arch.h
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+++ b/webrtc_dsp/rtc_base/system/arch.h
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@@ -28,7 +28,10 @@
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#define WEBRTC_ARCH_64_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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#elif defined(_M_IX86) || defined(__i386__)
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+#if defined(__SSE2__)
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+// This macro is mostly used to detect SSE2 extension.
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#define WEBRTC_ARCH_X86_FAMILY
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+#endif
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#define WEBRTC_ARCH_X86
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#define WEBRTC_ARCH_32_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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--- a/webrtc_dsp/typedefs.h
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+++ b/webrtc_dsp/typedefs.h
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@@ -28,7 +28,10 @@
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#define WEBRTC_ARCH_64_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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#elif defined(_M_IX86) || defined(__i386__)
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+#if defined(__SSE2__)
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+// This macro is mostly used to detect SSE2 extension.
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#define WEBRTC_ARCH_X86_FAMILY
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+#endif
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#define WEBRTC_ARCH_X86
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#define WEBRTC_ARCH_32_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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