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Basically, haswell processor should be able to count on lzcnt. (#458)

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Daniel Lemire 2020-01-22 16:52:55 -05:00 committed by GitHub
parent adaef43bc6
commit 3488c49d0a
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4 changed files with 6 additions and 3 deletions
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2
include/simdjson/portability.h
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@ -48,7 +48,7 @@
#endif
// under GCC and CLANG, we use these two macros
#define TARGET_HASWELL TARGET_REGION("avx2,bmi,pclmul")
#define TARGET_HASWELL TARGET_REGION("avx2,bmi,pclmul,lzcnt")
#define TARGET_WESTMERE TARGET_REGION("sse4.2,pclmul")
#define TARGET_ARM64

3
src/arm64/numberparsing.h
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@ -5,7 +5,8 @@
#include "simdjson/common_defs.h"
#include "simdjson/portability.h"
#include "westmere/intrinsics.h"
#include "arm64/intrinsics.h"
#include "arm64/bitmanipulation.h"
#include "simdjson/parsedjson.h"
#include "jsoncharutils.h"
#include <cmath>

3
src/haswell/numberparsing.h
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@ -5,7 +5,8 @@
#include "simdjson/common_defs.h"
#include "simdjson/portability.h"
#include "westmere/intrinsics.h"
#include "haswell/intrinsics.h"
#include "haswell/bitmanipulation.h"
#include "simdjson/parsedjson.h"
#include "jsoncharutils.h"
#include <cmath>

1
src/westmere/numberparsing.h
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@ -9,6 +9,7 @@
#include "simdjson/common_defs.h"
#include "simdjson/portability.h"
#include "westmere/intrinsics.h"
#include "westmere/bitmanipulation.h"
#include "simdjson/parsedjson.h"
#include "jsoncharutils.h"
#include <cmath>