nspr/pr/include/prbit.h - Issue 68173008: Update to NSPR 4.10.2.

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Unified Diff: nspr/pr/include/prbit.h

Issue 68173008: Update to NSPR 4.10.2. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/nss/

Patch Set: Update README.chromium Created 7 years, 1 month ago

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Index: nspr/pr/include/prbit.h

===================================================================

--- nspr/pr/include/prbit.h (revision 233722)

+++ nspr/pr/include/prbit.h (working copy)

@@ -9,8 +9,12 @@

#include "prtypes.h"

PR_BEGIN_EXTERN_C

-/* replace compare/jump/add/shift sequence with x86 BSF/BSR instruction */

-#if defined(_WIN32) && (_MSC_VER >= 1300) && (defined(_M_IX86) || defined(_M_AMD64))

+/*

+** Replace compare/jump/add/shift sequence with compiler built-in/intrinsic

+** functions.

+*/

+#if defined(_WIN32) && (_MSC_VER >= 1300) && \

+ (defined(_M_IX86) || defined(_M_AMD64) || defined(_M_ARM))

unsigned char _BitScanForward(unsigned long * Index, unsigned long Mask);

unsigned char _BitScanReverse(unsigned long * Index, unsigned long Mask);

# pragma intrinsic(_BitScanForward,_BitScanReverse)

@@ -133,7 +137,7 @@

#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64) || \

- defined(_M_X64))

+ defined(_M_X64) || defined(_M_ARM))

#include <stdlib.h>

#pragma intrinsic(_rotl, _rotr)

#define PR_ROTATE_LEFT32(a, bits) _rotl(a, bits)

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