// Copyright 2018 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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TEXT runtime·wasmMove(SB), NOSPLIT, $0-0
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loop:
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Loop
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// *dst = *src
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Get R0
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Get R1
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I64Load $0
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I64Store $0
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// n--
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Get R2
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I32Const $1
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I32Sub
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Set R2
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// n == 0
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Get R2
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I32Eqz
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If
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Return
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End
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// dst += 8
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Get R0
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I32Const $8
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I32Add
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Set R0
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// src += 8
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Get R1
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I32Const $8
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I32Add
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Set R1
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Br loop
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End
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UNDEF
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TEXT runtime·wasmZero(SB), NOSPLIT, $0-0
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loop:
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Loop
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// *dst = 0
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Get R0
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I64Const $0
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I64Store $0
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// n--
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Get R1
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I32Const $1
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I32Sub
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Set R1
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// n == 0
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Get R1
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I32Eqz
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If
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Return
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End
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// dst += 8
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Get R0
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I32Const $8
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I32Add
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Set R0
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Br loop
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End
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UNDEF
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TEXT runtime·wasmDiv(SB), NOSPLIT, $0-0
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Get R0
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I64Const $-0x8000000000000000
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I64Eq
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If
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Get R1
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I64Const $-1
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I64Eq
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If
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I64Const $-0x8000000000000000
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Return
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End
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End
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Get R0
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Get R1
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I64DivS
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Return
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TEXT runtime·wasmTruncS(SB), NOSPLIT, $0-0
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Get R0
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Get R0
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F64Ne // NaN
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If
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I64Const $0x8000000000000000
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Return
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End
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Get R0
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F64Const $9223372036854775807.
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F64Gt
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If
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I64Const $0x8000000000000000
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Return
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End
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Get R0
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F64Const $-9223372036854775808.
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F64Lt
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If
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I64Const $0x8000000000000000
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Return
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End
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Get R0
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I64TruncSF64
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Return
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TEXT runtime·wasmTruncU(SB), NOSPLIT, $0-0
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Get R0
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Get R0
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F64Ne // NaN
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If
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I64Const $0x8000000000000000
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Return
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End
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Get R0
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F64Const $18446744073709551615.
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F64Gt
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If
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I64Const $0x8000000000000000
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Return
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End
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Get R0
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F64Const $0.
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F64Lt
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If
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I64Const $0x8000000000000000
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Return
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End
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Get R0
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I64TruncUF64
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Return
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TEXT runtime·exitThread(SB), NOSPLIT, $0-0
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UNDEF
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TEXT runtime·osyield(SB), NOSPLIT, $0-0
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UNDEF
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TEXT runtime·usleep(SB), NOSPLIT, $0-0
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RET // TODO(neelance): implement usleep
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TEXT runtime·currentMemory(SB), NOSPLIT, $0
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Get SP
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CurrentMemory
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I32Store ret+0(FP)
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RET
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TEXT runtime·growMemory(SB), NOSPLIT, $0
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Get SP
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I32Load pages+0(FP)
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GrowMemory
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I32Store ret+8(FP)
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RET
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TEXT ·wasmExit(SB), NOSPLIT, $0
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CallImport
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RET
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TEXT ·wasmWrite(SB), NOSPLIT, $0
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CallImport
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RET
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TEXT ·nanotime(SB), NOSPLIT, $0
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CallImport
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RET
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TEXT ·walltime(SB), NOSPLIT, $0
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CallImport
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RET
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TEXT ·scheduleTimeoutEvent(SB), NOSPLIT, $0
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CallImport
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RET
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TEXT ·clearTimeoutEvent(SB), NOSPLIT, $0
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CallImport
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RET
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TEXT ·getRandomData(SB), NOSPLIT, $0
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CallImport
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RET
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