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go/src/runtime/tls_mips64x.s
Austin Clements dfbf568c9f runtime: use NOFRAME on mips and mips64
This replaces frame size -4/-8 with the NOFRAME flag in mips and
mips64 assembly.

This was automated with:

sed -i -e 's/\(^TEXT.*[A-Z]\),\( *\)\$-[84]/\1|NOFRAME,\2$0/' $(find -name '*_mips*.s')

Plus a manual fix to mkduff.go.

The go binary is identical on both architectures before and after this
change.

Change-Id: I0310384d1a584118c41d1cd3a042bb8ea7227efb
Reviewed-on: https://go-review.googlesource.com/92044
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2018-02-12 21:41:32 +00:00

31 lines
729 B
ArmAsm

// 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.
// +build mips64 mips64le
#include "go_asm.h"
#include "go_tls.h"
#include "funcdata.h"
#include "textflag.h"
// If !iscgo, this is a no-op.
//
// NOTE: mcall() assumes this clobbers only R23 (REGTMP).
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
MOVB runtime·iscgo(SB), R23
BEQ R23, nocgo
MOVV R3, R23 // save R3
MOVV g, runtime·tls_g(SB) // TLS relocation clobbers R3
MOVV R23, R3 // restore R3
nocgo:
RET
TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
MOVV runtime·tls_g(SB), g // TLS relocation clobbers R3
RET
GLOBL runtime·tls_g(SB), TLSBSS, $8