RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-05 18:49:06 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[X86][PKU] Add {RD,WR}PKRU encoding

Browse Source 
Differential Revision: http://reviews.llvm.org/D15711

llvm-svn: 256366
This commit is contained in:
Asaf Badouh 2015-12-24 08:25:00 +00:00
parent 423b83228e
commit 593a27ca5c
5 changed files with 34 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/llvm/IR/IntrinsicsX86.td
View File

@ -3896,6 +3896,14 @@ let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty], []>;
}
//===----------------------------------------------------------------------===//
// Support protection key
let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
def int_x86_rdpkru : GCCBuiltin <"__builtin_ia32_rdpkru">,
Intrinsic<[llvm_i32_ty], [], [IntrNoMem]>;
def int_x86_wrpkru : GCCBuiltin<"__builtin_ia32_wrpkru">,
Intrinsic<[], [llvm_i32_ty], [IntrNoMem]>;
}
//===----------------------------------------------------------------------===//
// Half float conversion

12
lib/Target/X86/MCTargetDesc/X86BaseInfo.h
View File

@ -707,12 +707,12 @@ namespace X86II {
case X86II::MRM_E3: case X86II::MRM_E4: case X86II::MRM_E5:
case X86II::MRM_E8: case X86II::MRM_E9: case X86II::MRM_EA:
case X86II::MRM_EB: case X86II::MRM_EC: case X86II::MRM_ED:
case X86II::MRM_EE: case X86II::MRM_F0: case X86II::MRM_F1:
case X86II::MRM_F2: case X86II::MRM_F3: case X86II::MRM_F4:
case X86II::MRM_F5: case X86II::MRM_F6: case X86II::MRM_F7:
case X86II::MRM_F8: case X86II::MRM_F9: case X86II::MRM_FA:
case X86II::MRM_FB: case X86II::MRM_FC: case X86II::MRM_FD:
case X86II::MRM_FE: case X86II::MRM_FF:
case X86II::MRM_EE: case X86II::MRM_EF: case X86II::MRM_F0:
case X86II::MRM_F1: case X86II::MRM_F2: case X86II::MRM_F3:
case X86II::MRM_F4: case X86II::MRM_F5: case X86II::MRM_F6:
case X86II::MRM_F7: case X86II::MRM_F8: case X86II::MRM_F9:
case X86II::MRM_FA: case X86II::MRM_FB: case X86II::MRM_FC:
case X86II::MRM_FD: case X86II::MRM_FE: case X86II::MRM_FF:
return -1;
}
}

6
lib/Target/X86/X86InstrSystem.td
View File

@ -549,6 +549,12 @@ let Defs = [RAX, RSI, RDI], Uses = [RAX, RSI, RDI] in {
}
let Defs = [RAX, RDX, RSI], Uses = [RAX, RSI] in
def MONTMUL : I<0xa6, MRM_C0, (outs), (ins), "montmul", []>, TB;
//==-----------------------------------------------------------------------===//
// PKU - enable protection key
let Defs = [EAX, EDX], Uses = [ECX] in
def RDPKRU : I<0x01, MRM_EE, (outs), (ins), "rdpkru", []>, TB;
let Uses = [EAX, ECX, EDX] in
def WRPKRU : I<0x01, MRM_EF, (outs), (ins), "wrpkru", []>, TB;
//===----------------------------------------------------------------------===//
// FS/GS Base Instructions

8
test/MC/X86/X86_64-pku.s Normal file
View File

@ -0,0 +1,8 @@
// RUN: llvm-mc -triple x86_64-unknown-unknown -mattr=+pku --show-encoding < %s | FileCheck %s
// CHECK: rdpkru
// CHECK: encoding: [0x0f,0x01,0xee]
rdpkru
// CHECK: wrpkru
// CHECK: encoding: [0x0f,0x01,0xef]
wrpkru

12
utils/TableGen/X86RecognizableInstr.cpp
View File

@ -796,12 +796,12 @@ void RecognizableInstr::emitInstructionSpecifier() {
case X86Local::MRM_E3: case X86Local::MRM_E4: case X86Local::MRM_E5:
case X86Local::MRM_E8: case X86Local::MRM_E9: case X86Local::MRM_EA:
case X86Local::MRM_EB: case X86Local::MRM_EC: case X86Local::MRM_ED:
case X86Local::MRM_EE: case X86Local::MRM_F0: case X86Local::MRM_F1:
case X86Local::MRM_F2: case X86Local::MRM_F3: case X86Local::MRM_F4:
case X86Local::MRM_F5: case X86Local::MRM_F6: case X86Local::MRM_F7:
case X86Local::MRM_F9: case X86Local::MRM_FA: case X86Local::MRM_FB:
case X86Local::MRM_FC: case X86Local::MRM_FD: case X86Local::MRM_FE:
case X86Local::MRM_FF:
case X86Local::MRM_EE: case X86Local::MRM_EF: case X86Local::MRM_F0:
case X86Local::MRM_F1: case X86Local::MRM_F2: case X86Local::MRM_F3:
case X86Local::MRM_F4: case X86Local::MRM_F5: case X86Local::MRM_F6:
case X86Local::MRM_F7: case X86Local::MRM_F9: case X86Local::MRM_FA:
case X86Local::MRM_FB: case X86Local::MRM_FC: case X86Local::MRM_FD:
case X86Local::MRM_FE: case X86Local::MRM_FF:
// Ignored.
break;
}