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reg_alloc: Use std::exchange

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MerryMage
2018-01-26 01:51:04 +00:00
parent e0c12ec2ad
commit 4ce9c65cfb
1 changed files with 2 additions and 2 deletions
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4
src/backend_x64/reg_alloc.cpp
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@@ -6,6 +6,7 @@
#include <algorithm>
#include <numeric>
#include <utility>
#include <xbyak.h>
@@ -487,8 +488,7 @@ void RegAlloc::Move(HostLoc to, HostLoc from) {
EmitMove(to, from);
LocInfo(to) = LocInfo(from);
LocInfo(from) = {};
LocInfo(to) = std::exchange(LocInfo(from), {});
}
void RegAlloc::CopyToScratch(HostLoc to, HostLoc from) {