eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; IPRT - ASMAtomicUoDecU32().
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; Copyright (C) 2014 Oracle Corporation
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eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; of the Common Development and Distribution License Version 1.0
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eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync;*******************************************************************************
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync;* Header Files *
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync;*******************************************************************************
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; Atomically decrement an unsigned 32-bit value, unordered.
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; @param pu32 x86:esp+4 gcc:rdi msc:rcx
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync; @returns the new decremented value.
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsyncBEGINPROC_EXPORTED ASMAtomicUoDecU32
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync mov eax, -1
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync%ifdef RT_ARCH_AMD64
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync %ifdef ASM_CALL64_MSC
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync xadd [rcx], eax
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync xadd [rdi], eax
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync%elifdef RT_ARCH_X86
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync mov ecx, [esp + 04h]
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsync xadd [ecx], eax
eda35f91dbe2b4e221daaab631ef5eb225224185vboxsyncENDPROC ASMAtomicUoDecU32