media/base/simd/empty_register_state_mmx.asm - Issue 12082087: Replace or exclude MMX intrinsics in yuv_convert_simd_x86 due to lack of VS2010 support for them in…

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Unified Diff: media/base/simd/empty_register_state_mmx.asm

Issue 12082087: Replace or exclude MMX intrinsics in yuv_convert_simd_x86 due to lack of VS2010 support for them in… (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Localize use of new macro and yasm emms to yuv_convert.cc Created 7 years, 11 months ago

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Index: media/base/simd/empty_register_state_mmx.asm

diff --git a/media/base/simd/empty_register_state_mmx.asm b/media/base/simd/empty_register_state_mmx.asm

new file mode 100644

index 0000000000000000000000000000000000000000..07ca6ed7f34248c6d42559b8c1ddc69db05d2114

--- /dev/null

+++ b/media/base/simd/empty_register_state_mmx.asm

@@ -0,0 +1,20 @@

+; Use of this source code is governed by a BSD-style license that can be

+; found in the LICENSE file.

+%include "x86inc.asm"

+; This file uses MMX instructions as an alternative to _mm_empty() which

+; is not fully supported across all toolchains.

scherkus (not reviewing) 2013/02/01 01:13:17 nit: want to add TODO + mention 173450?

wolenetz 2013/02/01 02:42:07 Done.

+ SECTION_TEXT

+ CPU MMX

+%define SYMBOL EmptyRegisterState_MMX

+ global mangle(SYMBOL) PRIVATE

+ align function_align

+mangle(SYMBOL):

+ emms

+ ret

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