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Require __SSE2__ for i386 to use SSE2

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Kenneth Heafield 2015-06-11 14:43:10 -04:00
parent 47c793ca46
commit 0d54286d3f
1 changed files with 2 additions and 1 deletions
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3
util/integer_to_string.cc
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@ -7,6 +7,7 @@ Local modifications:
4. Remove test hook
5. Non-x86 support from the branch_lut code
6. Rename functions
7. Require __SSE2__ on i386
Copyright (C) 2014 Milo Yip
@ -66,7 +67,7 @@ const char gDigitsLut[200] = {
// SSE2 implementation according to http://0x80.pl/articles/sse-itoa.html
// Modifications: (1) fix incorrect digits (2) accept all ranges (3) write to user provided buffer.
#if defined(i386) || defined(__amd64) || defined(_M_IX86) || defined(_M_X64)
#if defined(__amd64) || defined(_M_X64) || (defined(__SSE2__) && (defined(_M_IX86) || defined(i386)))
#include <emmintrin.h>