diff options
Diffstat (limited to 'vendor/golang.org/x/sys/cpu')
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu.go | 38 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_arm.go | 7 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_arm64.go | 7 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_gc_x86.go | 16 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_gccgo.c | 43 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_gccgo.go | 26 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_mips64x.go | 9 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_mipsx.go | 9 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_ppc64x.go | 9 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_s390x.go | 7 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_x86.go | 55 | ||||
-rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_x86.s | 27 |
12 files changed, 0 insertions, 253 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu.go b/vendor/golang.org/x/sys/cpu/cpu.go deleted file mode 100644 index 3d88f8667..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu.go +++ /dev/null @@ -1,38 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package cpu implements processor feature detection for -// various CPU architectures. -package cpu - -// CacheLinePad is used to pad structs to avoid false sharing. -type CacheLinePad struct{ _ [cacheLineSize]byte } - -// X86 contains the supported CPU features of the -// current X86/AMD64 platform. If the current platform -// is not X86/AMD64 then all feature flags are false. -// -// X86 is padded to avoid false sharing. Further the HasAVX -// and HasAVX2 are only set if the OS supports XMM and YMM -// registers in addition to the CPUID feature bit being set. -var X86 struct { - _ CacheLinePad - HasAES bool // AES hardware implementation (AES NI) - HasADX bool // Multi-precision add-carry instruction extensions - HasAVX bool // Advanced vector extension - HasAVX2 bool // Advanced vector extension 2 - HasBMI1 bool // Bit manipulation instruction set 1 - HasBMI2 bool // Bit manipulation instruction set 2 - HasERMS bool // Enhanced REP for MOVSB and STOSB - HasFMA bool // Fused-multiply-add instructions - HasOSXSAVE bool // OS supports XSAVE/XRESTOR for saving/restoring XMM registers. - HasPCLMULQDQ bool // PCLMULQDQ instruction - most often used for AES-GCM - HasPOPCNT bool // Hamming weight instruction POPCNT. - HasSSE2 bool // Streaming SIMD extension 2 (always available on amd64) - HasSSE3 bool // Streaming SIMD extension 3 - HasSSSE3 bool // Supplemental streaming SIMD extension 3 - HasSSE41 bool // Streaming SIMD extension 4 and 4.1 - HasSSE42 bool // Streaming SIMD extension 4 and 4.2 - _ CacheLinePad -} diff --git a/vendor/golang.org/x/sys/cpu/cpu_arm.go b/vendor/golang.org/x/sys/cpu/cpu_arm.go deleted file mode 100644 index d93036f75..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_arm.go +++ /dev/null @@ -1,7 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package cpu - -const cacheLineSize = 32 diff --git a/vendor/golang.org/x/sys/cpu/cpu_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_arm64.go deleted file mode 100644 index 1d2ab2902..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_arm64.go +++ /dev/null @@ -1,7 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package cpu - -const cacheLineSize = 64 diff --git a/vendor/golang.org/x/sys/cpu/cpu_gc_x86.go b/vendor/golang.org/x/sys/cpu/cpu_gc_x86.go deleted file mode 100644 index f7cb46971..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_gc_x86.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build 386 amd64 amd64p32 -// +build !gccgo - -package cpu - -// cpuid is implemented in cpu_x86.s for gc compiler -// and in cpu_gccgo.c for gccgo. -func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) - -// xgetbv with ecx = 0 is implemented in cpu_x86.s for gc compiler -// and in cpu_gccgo.c for gccgo. -func xgetbv() (eax, edx uint32) diff --git a/vendor/golang.org/x/sys/cpu/cpu_gccgo.c b/vendor/golang.org/x/sys/cpu/cpu_gccgo.c deleted file mode 100644 index e363c7d13..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_gccgo.c +++ /dev/null @@ -1,43 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build 386 amd64 amd64p32 -// +build gccgo - -#include <cpuid.h> -#include <stdint.h> - -// Need to wrap __get_cpuid_count because it's declared as static. -int -gccgoGetCpuidCount(uint32_t leaf, uint32_t subleaf, - uint32_t *eax, uint32_t *ebx, - uint32_t *ecx, uint32_t *edx) -{ - return __get_cpuid_count(leaf, subleaf, eax, ebx, ecx, edx); -} - -// xgetbv reads the contents of an XCR (Extended Control Register) -// specified in the ECX register into registers EDX:EAX. -// Currently, the only supported value for XCR is 0. -// -// TODO: Replace with a better alternative: -// -// #include <xsaveintrin.h> -// -// #pragma GCC target("xsave") -// -// void gccgoXgetbv(uint32_t *eax, uint32_t *edx) { -// unsigned long long x = _xgetbv(0); -// *eax = x & 0xffffffff; -// *edx = (x >> 32) & 0xffffffff; -// } -// -// Note that _xgetbv is defined starting with GCC 8. -void -gccgoXgetbv(uint32_t *eax, uint32_t *edx) -{ - __asm(" xorl %%ecx, %%ecx\n" - " xgetbv" - : "=a"(*eax), "=d"(*edx)); -} diff --git a/vendor/golang.org/x/sys/cpu/cpu_gccgo.go b/vendor/golang.org/x/sys/cpu/cpu_gccgo.go deleted file mode 100644 index ba49b91bd..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_gccgo.go +++ /dev/null @@ -1,26 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build 386 amd64 amd64p32 -// +build gccgo - -package cpu - -//extern gccgoGetCpuidCount -func gccgoGetCpuidCount(eaxArg, ecxArg uint32, eax, ebx, ecx, edx *uint32) - -func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) { - var a, b, c, d uint32 - gccgoGetCpuidCount(eaxArg, ecxArg, &a, &b, &c, &d) - return a, b, c, d -} - -//extern gccgoXgetbv -func gccgoXgetbv(eax, edx *uint32) - -func xgetbv() (eax, edx uint32) { - var a, d uint32 - gccgoXgetbv(&a, &d) - return a, d -} diff --git a/vendor/golang.org/x/sys/cpu/cpu_mips64x.go b/vendor/golang.org/x/sys/cpu/cpu_mips64x.go deleted file mode 100644 index 6165f1212..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_mips64x.go +++ /dev/null @@ -1,9 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build mips64 mips64le - -package cpu - -const cacheLineSize = 32 diff --git a/vendor/golang.org/x/sys/cpu/cpu_mipsx.go b/vendor/golang.org/x/sys/cpu/cpu_mipsx.go deleted file mode 100644 index 1269eee88..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_mipsx.go +++ /dev/null @@ -1,9 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build mips mipsle - -package cpu - -const cacheLineSize = 32 diff --git a/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go b/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go deleted file mode 100644 index d10759a52..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_ppc64x.go +++ /dev/null @@ -1,9 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build ppc64 ppc64le - -package cpu - -const cacheLineSize = 128 diff --git a/vendor/golang.org/x/sys/cpu/cpu_s390x.go b/vendor/golang.org/x/sys/cpu/cpu_s390x.go deleted file mode 100644 index 684c4f005..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_s390x.go +++ /dev/null @@ -1,7 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package cpu - -const cacheLineSize = 256 diff --git a/vendor/golang.org/x/sys/cpu/cpu_x86.go b/vendor/golang.org/x/sys/cpu/cpu_x86.go deleted file mode 100644 index 71e288b06..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_x86.go +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build 386 amd64 amd64p32 - -package cpu - -const cacheLineSize = 64 - -func init() { - maxID, _, _, _ := cpuid(0, 0) - - if maxID < 1 { - return - } - - _, _, ecx1, edx1 := cpuid(1, 0) - X86.HasSSE2 = isSet(26, edx1) - - X86.HasSSE3 = isSet(0, ecx1) - X86.HasPCLMULQDQ = isSet(1, ecx1) - X86.HasSSSE3 = isSet(9, ecx1) - X86.HasFMA = isSet(12, ecx1) - X86.HasSSE41 = isSet(19, ecx1) - X86.HasSSE42 = isSet(20, ecx1) - X86.HasPOPCNT = isSet(23, ecx1) - X86.HasAES = isSet(25, ecx1) - X86.HasOSXSAVE = isSet(27, ecx1) - - osSupportsAVX := false - // For XGETBV, OSXSAVE bit is required and sufficient. - if X86.HasOSXSAVE { - eax, _ := xgetbv() - // Check if XMM and YMM registers have OS support. - osSupportsAVX = isSet(1, eax) && isSet(2, eax) - } - - X86.HasAVX = isSet(28, ecx1) && osSupportsAVX - - if maxID < 7 { - return - } - - _, ebx7, _, _ := cpuid(7, 0) - X86.HasBMI1 = isSet(3, ebx7) - X86.HasAVX2 = isSet(5, ebx7) && osSupportsAVX - X86.HasBMI2 = isSet(8, ebx7) - X86.HasERMS = isSet(9, ebx7) - X86.HasADX = isSet(19, ebx7) -} - -func isSet(bitpos uint, value uint32) bool { - return value&(1<<bitpos) != 0 -} diff --git a/vendor/golang.org/x/sys/cpu/cpu_x86.s b/vendor/golang.org/x/sys/cpu/cpu_x86.s deleted file mode 100644 index 47f084128..000000000 --- a/vendor/golang.org/x/sys/cpu/cpu_x86.s +++ /dev/null @@ -1,27 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build 386 amd64 amd64p32 -// +build !gccgo - -#include "textflag.h" - -// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) -TEXT ·cpuid(SB), NOSPLIT, $0-24 - MOVL eaxArg+0(FP), AX - MOVL ecxArg+4(FP), CX - CPUID - MOVL AX, eax+8(FP) - MOVL BX, ebx+12(FP) - MOVL CX, ecx+16(FP) - MOVL DX, edx+20(FP) - RET - -// func xgetbv() (eax, edx uint32) -TEXT ·xgetbv(SB),NOSPLIT,$0-8 - MOVL $0, CX - XGETBV - MOVL AX, eax+0(FP) - MOVL DX, edx+4(FP) - RET |