From a041d523de389b65b98a5373a8034041db2a8d83 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Thu, 2 Apr 2026 06:23:30 +0000
Subject: *: Remove

---
 internal/cpu/LICENSE      | 27 ---------------------------
 internal/cpu/cpu.go       |  9 ---------
 internal/cpu/cpu_amd64.go | 34 ----------------------------------
 internal/cpu/cpu_amd64.s  | 22 ----------------------
 internal/cpu/cpu_other.go |  3 ---
 5 files changed, 95 deletions(-)
 delete mode 100644 internal/cpu/LICENSE
 delete mode 100644 internal/cpu/cpu.go
 delete mode 100644 internal/cpu/cpu_amd64.go
 delete mode 100644 internal/cpu/cpu_amd64.s
 delete mode 100644 internal/cpu/cpu_other.go

(limited to 'internal/cpu')

diff --git a/internal/cpu/LICENSE b/internal/cpu/LICENSE
deleted file mode 100644
index 2a7cf70d..00000000
--- a/internal/cpu/LICENSE
+++ /dev/null
@@ -1,27 +0,0 @@
-Copyright 2009 The Go Authors.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google LLC nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/internal/cpu/cpu.go b/internal/cpu/cpu.go
deleted file mode 100644
index ab4cc0bd..00000000
--- a/internal/cpu/cpu.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// Package cpu provides routines for CPU feature detection.
-package cpu
-
-// X86 contains x86 CPU feature flags detected at runtime.
-//
-//nolint:gochecknoglobals
-var X86 struct {
-	HasAVX2 bool
-}
diff --git a/internal/cpu/cpu_amd64.go b/internal/cpu/cpu_amd64.go
deleted file mode 100644
index 7fe59633..00000000
--- a/internal/cpu/cpu_amd64.go
+++ /dev/null
@@ -1,34 +0,0 @@
-//go:build amd64 && !purego
-
-package cpu
-
-const (
-	cpuidOSXSAVE = 1 << 27
-	cpuidAVX     = 1 << 28
-	cpuidAVX2    = 1 << 5
-)
-
-// cpuid is implemented in cpu_amd64.s.
-func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
-
-// xgetbv with ecx = 0 is implemented in cpu_amd64.s.
-func xgetbv() (eax, edx uint32)
-
-func init() { //nolint:gochecknoinits
-	maxID, _, _, _ := cpuid(0, 0)
-	if maxID < 7 {
-		return
-	}
-
-	_, _, ecx1, _ := cpuid(1, 0)
-
-	osSupportsAVX := false
-
-	if ecx1&cpuidOSXSAVE != 0 {
-		eax, _ := xgetbv()
-		osSupportsAVX = eax&(1<<1) != 0 && eax&(1<<2) != 0
-	}
-
-	_, ebx7, _, _ := cpuid(7, 0)
-	X86.HasAVX2 = osSupportsAVX && ecx1&cpuidAVX != 0 && ebx7&cpuidAVX2 != 0
-}
diff --git a/internal/cpu/cpu_amd64.s b/internal/cpu/cpu_amd64.s
deleted file mode 100644
index 250a34e2..00000000
--- a/internal/cpu/cpu_amd64.s
+++ /dev/null
@@ -1,22 +0,0 @@
-//go:build amd64 && !purego
-
-#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
diff --git a/internal/cpu/cpu_other.go b/internal/cpu/cpu_other.go
deleted file mode 100644
index 969c68ef..00000000
--- a/internal/cpu/cpu_other.go
+++ /dev/null
@@ -1,3 +0,0 @@
-//go:build !amd64 || purego
-
-package cpu
-- 
cgit v1.3.1-10-gc9f91