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Make nsUTF8ToUnicode use SSE.h (Bug 513422) r=vlad

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This commit is contained in:
L. David Baron 2010-05-21 13:17:58 -07:00
parent 01794a91eb
commit 4acfdbd9de
1 changed files with 6 additions and 21 deletions
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27
intl/uconv/src/nsUTF8ToUnicode.cpp
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@ -35,27 +35,12 @@
*
* ***** END LICENSE BLOCK ***** */
// So SSE.h will include emmintrin.h in an appropriate way:
#define MOZILLA_SSE_INCLUDE_HEADER_FOR_SSE2
#include "nsUCSupport.h"
#include "nsUTF8ToUnicode.h"
#if defined(__GNUC__) && defined(__SSE2__)
// on x86_64 environment or using -msse2 such as MacOS X
#define GCC_SSE2
#endif
#if (defined(_M_IX86) || defined(_M_AMD64)) && defined(_MSC_VER) && _MSC_VER >= 1400
#define WIN_SSE2
#endif
#if defined(GCC_SSE2) || defined(WIN_SSE2)
#include "emmintrin.h"
#endif
#if defined(GCC_SSE2) || defined(_M_AMD64)
// x86_64 supports SSE2 instruction.
#define __sse2_available 1
#elif defined(WIN_SSE2)
extern "C" int __sse2_available;
#endif
#include "mozilla/SSE.h"
#define UNICODE_BYTE_ORDER_MARK 0xFEFF
@ -146,14 +131,14 @@ NS_IMETHODIMP nsUTF8ToUnicode::Reset()
// number of bytes left in src and the number of unichars available in
// dst.)
#if defined(GCC_SSE2) || defined(WIN_SSE2)
#ifdef MOZILLA_COMPILE_WITH_SSE2
static inline void
Convert_ascii_run (const char *&src,
PRUnichar *&dst,
PRInt32 len)
{
if (len > 15 && __sse2_available) {
if (len > 15 && mozilla::use_sse2()) {
__m128i in, out1, out2;
__m128d *outp1, *outp2;
__m128i zeroes;