文件操作 - vfp_arm.s
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文件: /usr/share/go-1.23/src/cmd/dist/vfp_arm.s
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// Copyright 2015 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 gc #include "textflag.h" // try to run "vmov.f64 d0, d0" instruction TEXT ·useVFPv1(SB),NOSPLIT,$0 WORD $0xeeb00b40 // vmov.f64 d0, d0 RET // try to run VFPv3-only "vmov.f64 d0, #112" instruction TEXT ·useVFPv3(SB),NOSPLIT,$0 WORD $0xeeb70b00 // vmov.f64 d0, #112 RET // try to run ARMv6K (or above) "ldrexd" instruction TEXT ·useARMv6K(SB),NOSPLIT,$32 MOVW R13, R2 BIC $15, R13 WORD $0xe1bd0f9f // ldrexd r0, r1, [sp] WORD $0xf57ff01f // clrex MOVW R2, R13 RET
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