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| author | Roland Shoemaker <roland@golang.org> | 2024-07-10 17:02:34 -0500 |
|---|---|---|
| committer | Roland Shoemaker <roland@golang.org> | 2024-07-24 18:45:14 +0000 |
| commit | b5c2b1ec13f324743613bb33cbe6c664974db48e (patch) | |
| tree | 353d597e68c88a4d446652dd6750839b2513844e /src/cmd/asm | |
| parent | c0eac35a4cd3ca16d3d1fc153a155b0b18f49633 (diff) | |
| download | go-b5c2b1ec13f324743613bb33cbe6c664974db48e.tar.xz | |
cmd/internal/obj/arm64: support MSR DIT
Set the right instruction bits in asmout in order
to allow using MSR with DIT and an immediate
value. This allows us to avoid using an
intermediary register when we want to set DIT
(unsetting DIT already worked with the zero
register).
Ref: https://developer.arm.com/documentation/ddi0602/2024-06/Base-Instructions/MSR--immediate---Move-immediate-value-to-special-register-?lang=en
Change-Id: Id049a0b4e0feb534cea992553228f9b5e12ddcea
Reviewed-on: https://go-review.googlesource.com/c/go/+/597595
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'src/cmd/asm')
| -rw-r--r-- | src/cmd/asm/internal/asm/testdata/arm64.s | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/arm64.s b/src/cmd/asm/internal/asm/testdata/arm64.s index f12cdaf921..14a1c9141d 100644 --- a/src/cmd/asm/internal/asm/testdata/arm64.s +++ b/src/cmd/asm/internal/asm/testdata/arm64.s @@ -1777,6 +1777,7 @@ next: MSR R17, ZCR_EL1 // 111218d5 SYS $32768, R1 // 018008d5 SYS $32768 // 1f8008d5 + MSR $1, DIT // 5f4103d5 // TLBI instruction TLBI VMALLE1IS // 1f8308d5 |