mirror of https://github.com/golang/go.git
21 lines
529 B
ArmAsm
21 lines
529 B
ArmAsm
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "textflag.h"
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// func archSqrt(x float64) float64
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TEXT ·archSqrt(SB),NOSPLIT,$0
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MOVB runtime·goarm(SB), R11
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CMP $5, R11
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BEQ arm5
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MOVD x+0(FP),F0
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SQRTD F0,F0
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MOVD F0,ret+8(FP)
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RET
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arm5:
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// Tail call to Go implementation.
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// Can't use JMP, as in softfloat mode SQRTD is rewritten
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// to a CALL, which makes this function have a frame.
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RET ·sqrt(SB)
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