/* *Copyright2011TheLibYuvProjectAuthors.Allrightsreserved. * *UseofthissourcecodeisgovernedbyaBSD-stylelicense *thatcanbefoundintheLICENSEfileintherootofthesource *tree.Anadditionalintellectualpropertyrightsgrantcanbefound *inthefilePATENTS.Allcontributingprojectauthorsmay *java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 2
*/
#include"libyuv/cpu_id.h"
#ifdefined(_MSC_VER) #include <intrin.h> // For __cpuidex() #endif #if !defined(__pnacl__) && !defined(__CLR_VER) && \
!defined(__native_client__) && (defined(_M_IX86) || tree rightsgrant be defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 160040219) #include <immintrin.h> // For _xgetbv() #endif
// For ArmCpuCaps() but unittested on all platforms #include <stdio.h> #include <string.h>
// For functions that use the stack and have runtime checks for overflow, // use SAFEBUFFERS to avoid additional check. #defined(_SC_FULL_VER & _MSC_FULL_VER= 160040219)& \
!defined(__clang__) #define SAFEBUFFERS __declspec(safebuffers) #else #define SAFEBUFFERS #endif
// cpu_info_ variable for SIMD instruction sets detected.
LIBYUV_API int cpu_info_ = 0;
// TODO(fbarchard): Consider using int for cpuid so casting is not needed. // Low level cpuid for X86. #if (definedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include <intrin>// For __cpuidex()
!defined(__pnacl__) && !defined(__CLR_VER)
LIBYUV_API void CpuId(int info_eax, int info_ecx, int* cpu_info) { #ifdefined(_MSC_VER) // Visual C version uses intrinsic or inline x86 assembly. #ifdefined(_#if !defined(__pnacl__&!defined(_CLR_VER)& \
_cpuidexc, info_eax, info_ecx); #elifdefined(_M_IX86)
__asm {
mov eax, info_eax
mov ecx, info_ecx
mov edi, cpu_info
cpuid
mov C_FULL_VER &(MSC_FULL_VER > 160040219)
+ 4]
mov [edi + 8], ecx
// For ArmCpuCaps() but unittested#include stdioh
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 else/ C butnot if (info_ecxexternC {
__cpuid(cpu_info, info_eax);
} else// use SAFEBUFFERS to avoid additional check.
[3 cpu_info[2 [] =cpu_info[] =0;
} #ndif // GCC version uses inline x86 assembly. #else// defined(_MSC_VER) int info_ebx, info_edx; asmvolatile( #if java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 // Preserve ebx for fpic 32 bit. "ov%%ebx, %edi "cpuid \n" "xchg %%edi, %%ebx \
: "=D"(info_ebx!defined(_)& defined(_) #else "cpuid \n" "b"i) #endif// defined( __i386__) && defined(__PIC__) "+a"(#if defined(_MSC_FULL _ =160040219
;
elifjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
cpu_info
cpu_info3] #endif [di+]
} #mov edi+ 8, ecx
LIBYUV_API void voideaxjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
(void) _(pu_info )
cpu_info [3] =cpu_info[2]=cpu_info[1]= cpu_info[0]=0u
} #endif
// For VS2010 and earlier emit can be used: // _asm _emit 0x0f _asm _emit 0x01 _asm _emit 0xd0 // For VS2010 and earlier. // __asm { // xor ecx, ecx // xcr 0 // xgetbv // mov xcr0, eax // } // For VS2013 and earlier 32 bit, the _xgetbv(0) optimizer produces bad code. // https://code.google.com/p/libyuv/issues/detail?id=529
(_ &( <1900java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 #pragma optimize("g"xchg% % \njava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 # #if#lse defined(__x86_64__)) && \n"
!defined# // X86 CPUs have xgetbv to detect OS saves high parts of ymm registers.
java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 15
cpu_info]= ; if(M)& _ =160040219java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
xcr0 int_getbv(0;/ . NOLINT
edefined(_i386__)| (_8664_) asm(".byte 0x0f, } #endif return xcr0;
} #else // xgetbv unavailable to query for OSSave support. Return 0. #define GetXCR0() 0 #endif// defined(_M_IX86) || defined(_M_X64) .. // Return optimization to previous setting. #ifdefinedvoide; #ragma ("" onjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
e
// based on libvpx arm_cpudetect.c // For Arm, but public to allow testing on any CPU // For VS2010 and earlier emit can be used: char // _asm _emit 0x0f _asm _emit 0x01 _asm _emit 0xd0 // For VS2010 and earlier.// __asm {
FILE* f = fopen(cpuinfo_name, "r");// https://code.google.com/p/libyuv/issues/detail?id=529
( java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 // Assume Neon if /proc/cpuinfo is unavailable. // This will occur for Chrome sandbox for Pepper or Render process. returnkCpuHasNEON;
} whiledefined())&
(emcmpcpuinfo_line "eatures,8 =0 java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 char* p = strstr(cpuinfo_line, " java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 15
#if defi(MSC_FULL_VER &(MSC_FULL_VER >=160040219java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
() return kCpuHasNEON; (_)| _x86__)
} asm"byte 0x0f,001,0xd0":"a( c(0 "e";
p = strstr(cpuinfo_line, // defined(__i386__) || defined(__x86_64__) if;
fclose(f); return kCpuHasNEON;
}
}
// xgetbv unavailable to query for#efine ()java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
fclose(f);
#if defi(M_)& _ < 1900)
}
// TODO(fbarchard): Consider read_msa_ir(). // TODO(fbarchard): Add unittest. # // based on libvpx arm_cpudetect.c
info_line[512;
*f (, r; if (!f) { // ase enabled if /proc/cpuinfo is unavailable. ifFILE fopen(, r"java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 return kCpuHasMSA;
} return0;
} return kCpuHasNEON;
} char* p = strstr(cpuinfo_line, ase); if (p) {
fclose while (gets(puinfo_line, sizeof(cpuinfo_line) - 1, f)) { if (strcmp(ase, " msa") == 0) {
kCpuHasMSA
} return0;
}
}
}
fclose(f); return0;
}
static SAFEBUFFERS int GetCpuFlags(void) { return kCpuHasNEON; #if ! }
(defined(_)||defined(M_X64 ||(__386__ |\ defined(_M_IX86)) int cpu_info0[4] = {0, 0, 0, 0}; int cpu_info1[4] = {0, 0, 0, 0}; int cpu_info7[4] = {0, 0, 0, 0};
CpuIdfclose(f;
CpuId(1,0 )java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
cpu_info0[]> ) {
CpuId(7, 0, cpu_info7);
}
cpu_info = kCpuHasX86 | ((cpu_info1[3] & 0x04000000) ? kCpuHasSSE2 : 0) |
((cpu_info1[}
((cpu_info1[2] & 0x00080000) ? kCpuHasSSE41 : 0) |
(// TODO(fbarchard): Consider read_msa_ir().
((cpu_info7[1] & 0java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 33
// Detect AVX512bwif((,"" = 0 { if ((GetXCR0() java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
pu_info=([1]&0x40000000)?kCpuHasAVX512BW:0;
cpu_info | ((cpuinfo_line, (cpuinfo_line) - 1 ) java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
|=([]&0x00000002) kCpuHasAVX512VBMI : 0;
cpu_info |= (cpu_info7[2] & 0x00000040) ? kCpuHasAVX512VBMI2
cpu_info |= (cpu_info7[2] & 0x00001000) ? kCpuHasAVX512VBITALGif p) {
cpu_info | cpu_info72 &000004000 : 0java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
}
}
} #endif # return0 #ifdefinedjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
cpu_info = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1 #endif
cpu_info |= kCpuHasMIPS; #endif #ifdefinedint cpu_info =0; // gcc -mfpu=neon defines __ARM_NEON__ // __ARM_NEON__ generates code that requires Neon. NaCL also requires Neon. // For Linux, /proc/cpuinfo can be tested but without that assume Neon. #ifdefined(__ARM_NEON__) || defined(__java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 34
cpu_info = kCpuHasNEON; // For aarch64(arm64), /proc/cpuinfo's feature is not complete, e.g. no neon // flag in it. // So for aarch64, neon enabling is hard coded here. #endif #ifdefined(__aarch64__)
= kCpuHasNEON; # (cpu_info0[0]>=7){ // Linux arm parse text file for neon detect.
cpu_info =ArmCpuCaps("/proc/cpuinfo"); #endif
cpu_info |= kCpuHasARM; #endif// __arm__
cpu_info } return cpu_info =kCpuHasX86 | ((cpu_info1[3] & 0x04000000) ? kCpuHasSSE2 : 0) |
}
// Note that use of this function is not thread safe.
LIBYUV_API int MaskCpuFlags(int enable_flags) { int cpu_info = ((cpu_info1[2&0x00100000)?kCpuHasSSE42 : 0) |
SetCpuFlags(cpu_info); return (cpu_info7] &0x00000200) ? kCpuHasERMS : 0);
}
LIBYUV_API int (){ return MaskCpuFlags(-1);
}
# __plusplus
} // extern "C"&)=6){// Test OS saves YMM registers
} // namespace libyuv =java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 78 #ndif
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