From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- src/runtime/sys_wasm.s | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 src/runtime/sys_wasm.s (limited to 'src/runtime/sys_wasm.s') diff --git a/src/runtime/sys_wasm.s b/src/runtime/sys_wasm.s new file mode 100644 index 0000000..1e73ada --- /dev/null +++ b/src/runtime/sys_wasm.s @@ -0,0 +1,94 @@ +// Copyright 2018 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. + +#include "textflag.h" + +TEXT runtime·wasmDiv(SB), NOSPLIT, $0-0 + Get R0 + I64Const $-0x8000000000000000 + I64Eq + If + Get R1 + I64Const $-1 + I64Eq + If + I64Const $-0x8000000000000000 + Return + End + End + Get R0 + Get R1 + I64DivS + Return + +TEXT runtime·wasmTruncS(SB), NOSPLIT, $0-0 + Get R0 + Get R0 + F64Ne // NaN + If + I64Const $0x8000000000000000 + Return + End + + Get R0 + F64Const $0x7ffffffffffffc00p0 // Maximum truncated representation of 0x7fffffffffffffff + F64Gt + If + I64Const $0x8000000000000000 + Return + End + + Get R0 + F64Const $-0x7ffffffffffffc00p0 // Minimum truncated representation of -0x8000000000000000 + F64Lt + If + I64Const $0x8000000000000000 + Return + End + + Get R0 + I64TruncF64S + Return + +TEXT runtime·wasmTruncU(SB), NOSPLIT, $0-0 + Get R0 + Get R0 + F64Ne // NaN + If + I64Const $0x8000000000000000 + Return + End + + Get R0 + F64Const $0xfffffffffffff800p0 // Maximum truncated representation of 0xffffffffffffffff + F64Gt + If + I64Const $0x8000000000000000 + Return + End + + Get R0 + F64Const $0. + F64Lt + If + I64Const $0x8000000000000000 + Return + End + + Get R0 + I64TruncF64U + Return + +TEXT runtime·exitThread(SB), NOSPLIT, $0-0 + UNDEF + +TEXT runtime·osyield(SB), NOSPLIT, $0-0 + UNDEF + +TEXT runtime·growMemory(SB), NOSPLIT, $0 + Get SP + I32Load pages+0(FP) + GrowMemory + I32Store ret+8(FP) + RET -- cgit v1.2.3