diff options
| author | Joel Sing <joel@sing.id.au> | 2020-03-16 02:51:54 +1100 |
|---|---|---|
| committer | Joel Sing <joel@sing.id.au> | 2020-03-25 00:06:40 +0000 |
| commit | efb0ac4ce6a95435f8fba8c7f77becf083e8eaad (patch) | |
| tree | 64b275c1fd1c509402d52ae3394aa8333f90997d /src/cmd/compile/internal/ssa/rewriteRISCV64.go | |
| parent | 9f343b1942356e0c87c6994118be298f634e6b4d (diff) | |
| download | go-efb0ac4ce6a95435f8fba8c7f77becf083e8eaad.tar.gz go-efb0ac4ce6a95435f8fba8c7f77becf083e8eaad.zip | |
cmd/compile: provide Add/Cas/Exchange atomic intrinsics on riscv64
Provide Add32, Add64, Cas32, Cas64, Exchange32 and Exchange64 atomic
intrinsics on riscv64.
Updates #36765
Change-Id: I9a3b7d2ce3d49f699171fd76a0fed891d149a6bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/223559
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteRISCV64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteRISCV64.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteRISCV64.go b/src/cmd/compile/internal/ssa/rewriteRISCV64.go index ef0b953f2b2..09c44e264e1 100644 --- a/src/cmd/compile/internal/ssa/rewriteRISCV64.go +++ b/src/cmd/compile/internal/ssa/rewriteRISCV64.go @@ -47,6 +47,24 @@ func rewriteValueRISCV64(v *Value) bool { case OpAndB: v.Op = OpRISCV64AND return true + case OpAtomicAdd32: + v.Op = OpRISCV64LoweredAtomicAdd32 + return true + case OpAtomicAdd64: + v.Op = OpRISCV64LoweredAtomicAdd64 + return true + case OpAtomicCompareAndSwap32: + v.Op = OpRISCV64LoweredAtomicCas32 + return true + case OpAtomicCompareAndSwap64: + v.Op = OpRISCV64LoweredAtomicCas64 + return true + case OpAtomicExchange32: + v.Op = OpRISCV64LoweredAtomicExchange32 + return true + case OpAtomicExchange64: + v.Op = OpRISCV64LoweredAtomicExchange64 + return true case OpAtomicLoad32: v.Op = OpRISCV64LoweredAtomicLoad32 return true |