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[X86] Add RDPID instruction for assembler and disassembler. 

llvm-svn: 316332
This commit is contained in:
Craig Topper 2017-10-23 15:53:16 +00:00
parent 32da2f9245
commit 5f0339d2f3
6 changed files with 26 additions and 3 deletions
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6
llvm/lib/Target/X86/X86InstrInfo.td
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@ -2195,13 +2195,13 @@ let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
"rdseed{w}\t$dst",
[(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
[(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, PS;
def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
"rdseed{l}\t$dst",
[(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
[(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, PS;
def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
"rdseed{q}\t$dst",
[(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
[(set GR64:$dst, EFLAGS, (X86rdseed))]>, PS;
}
//===----------------------------------------------------------------------===//

9
llvm/lib/Target/X86/X86InstrSystem.td
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@ -635,3 +635,12 @@ let Defs = [EFLAGS] in {
let Uses = [RAX, RBX, RCX, RDX], Defs = [RAX, RBX, RCX] in {
def GETSEC : I<0x37, RawFrm, (outs), (ins), "getsec", []>, TB;
}
//===----------------------------------------------------------------------===//
// RDPID Instruction
def RDPID32 : I<0xC7, MRM7r, (outs GR32:$src), (ins),
"rdpid\t$src", []>, XS,
Requires<[Not64BitMode]>;
def RDPID64 : I<0xC7, MRM7r, (outs GR64:$src), (ins),
"rdpid\t$src", []>, XS,
Requires<[In64BitMode]>;

3
llvm/test/MC/Disassembler/X86/simple-tests.txt
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@ -964,3 +964,6 @@
0x8f 0xe9 0x78 0x80 0x09
# CHECK: vfrczps %ymm2, %ymm4
0x8f 0xe9 0x7c 0x80 0xe2
# CHECK: rdpid %rax
0xf3 0x0f 0xc7 0xf8

3
llvm/test/MC/Disassembler/X86/x86-32.txt
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@ -808,3 +808,6 @@
0x2e 0x67 0x66 0x89 0x1c
# CHECK: movw %bx, %cs:(%si)
0x2e 0x66 0x67 0x89 0x1c
# CHECK: rdpid %eax
0xf3 0x0f 0xc7 0xf8

4
llvm/test/MC/X86/x86-32.s
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@ -1097,3 +1097,7 @@ data16
// CHECK: lgdtl 4(%eax)
// CHECK: encoding: [0x0f,0x01,0x50,0x04]
data16 lgdt 4(%eax)
// CHECK: rdpid %eax
// CHECK: encoding: [0xf3,0x0f,0xc7,0xf8]
rdpid %eax

4
llvm/test/MC/X86/x86-64.s
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@ -1527,3 +1527,7 @@ nopq 0xdeadbeef(%rbx,%rcx,8)
// CHECK: nopq %rax
// CHECK: encoding: [0x48,0x0f,0x1f,0xc0]
nopq %rax
// CHECK: rdpid %rax
// CHECK: encoding: [0xf3,0x0f,0xc7,0xf8]
rdpid %rax