| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/runtime/ |
| Current File : //opt/golang/1.22.0/src/runtime/time_windows_amd64.s |
// Copyright 2011 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.
//go:build !faketime
#include "go_asm.h"
#include "textflag.h"
#include "time_windows.h"
TEXT time·now(SB),NOSPLIT,$0-24
MOVQ $_INTERRUPT_TIME, DI
MOVQ time_lo(DI), AX
IMULQ $100, AX
MOVQ AX, mono+16(FP)
MOVQ $_SYSTEM_TIME, DI
MOVQ time_lo(DI), AX
MOVQ $116444736000000000, DI
SUBQ DI, AX
IMULQ $100, AX
// generated code for
// func f(x uint64) (uint64, uint64) { return x/1000000000, x%1000000000 }
// adapted to reduce duplication
MOVQ AX, CX
MOVQ $1360296554856532783, AX
MULQ CX
ADDQ CX, DX
RCRQ $1, DX
SHRQ $29, DX
MOVQ DX, sec+0(FP)
IMULQ $1000000000, DX
SUBQ DX, CX
MOVL CX, nsec+8(FP)
RET