[PATCH] D135935: [X86] Add WRMSRNS instructions.

[Freddy, Ye via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG3ee58e2f355f: [X86] Add WRMSRNS instructions. (authored by FreddyYe).

Changed prior to commit:
  https://reviews.llvm.org/D135935?vs=468390&id=468782#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135935/new/

https://reviews.llvm.org/D135935

Files:
  llvm/docs/ReleaseNotes.rst
  llvm/lib/Target/X86/X86InstrSystem.td
  llvm/test/MC/Disassembler/X86/wrmsrns.txt
  llvm/test/MC/X86/wrmsrns.s


Index: llvm/test/MC/X86/wrmsrns.s
===================================================================
--- /dev/null
+++ llvm/test/MC/X86/wrmsrns.s
@@ -0,0 +1,8 @@
+// RUN: llvm-mc -triple x86_64 --show-encoding %s | FileCheck %s
+// RUN: llvm-mc -triple x86_64 -x86-asm-syntax=intel -output-asm-variant=1 --show-encoding %s | FileCheck %s
+// RUN: llvm-mc -triple i386 --show-encoding %s | FileCheck %s
+// RUN: llvm-mc -triple i386 -x86-asm-syntax=intel -output-asm-variant=1 --show-encoding %s | FileCheck %s
+
+// CHECK: wrmsrns
+// CHECK: encoding: [0x0f,0x01,0xc6]
+          wrmsrns
Index: llvm/test/MC/Disassembler/X86/wrmsrns.txt
===================================================================
--- /dev/null
+++ llvm/test/MC/Disassembler/X86/wrmsrns.txt
@@ -0,0 +1,8 @@
+# RUN: llvm-mc --disassemble %s -triple=x86_64 | FileCheck %s --check-prefixes=ATT
+# RUN: llvm-mc --disassemble %s -triple=x86_64 -x86-asm-syntax=intel --output-asm-variant=1 | FileCheck %s --check-prefixes=INTEL
+# RUN: llvm-mc --disassemble %s -triple=i386 | FileCheck %s --check-prefixes=ATT
+# RUN: llvm-mc --disassemble %s -triple=i386 -x86-asm-syntax=intel --output-asm-variant=1 | FileCheck %s --check-prefixes=INTEL
+
+# ATT:   wrmsrns
+# INTEL: wrmsrns
+0x0f,0x01,0xc6
Index: llvm/lib/Target/X86/X86InstrSystem.td
===================================================================
--- llvm/lib/Target/X86/X86InstrSystem.td
+++ llvm/lib/Target/X86/X86InstrSystem.td
@@ -425,6 +425,8 @@
 let SchedRW = [WriteSystem] in {
 let Uses = [EAX, ECX, EDX] in
 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
+let Uses = [EAX, ECX, EDX] in
+def WRMSRNS : I<0x01, MRM_C6, (outs), (ins), "wrmsrns", []>, PS;
 let Defs = [EAX, EDX], Uses = [ECX] in
 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
 
Index: llvm/docs/ReleaseNotes.rst
===================================================================
--- llvm/docs/ReleaseNotes.rst
+++ llvm/docs/ReleaseNotes.rst
@@ -137,6 +137,7 @@
 --------------------------
 
 * Add support for the ``RDMSRLIST and WRMSRLIST`` instructions.
+* Add support for the ``WRMSRNS`` instruction.
 
 Changes to the OCaml bindings
 -----------------------------


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