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AVX-512: store and truncstore for i1 values 

llvm-svn: 206897
This commit is contained in:
Elena Demikhovsky 2014-04-22 14:13:10 +00:00
parent c9db838267
commit acc5c9e83e
3 changed files with 35 additions and 3 deletions
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1
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -14393,6 +14393,7 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const {
case X86ISD::UNPCKH: return "X86ISD::UNPCKH";
case X86ISD::VBROADCAST: return "X86ISD::VBROADCAST";
case X86ISD::VBROADCASTM: return "X86ISD::VBROADCASTM";
case X86ISD::VEXTRACT: return "X86ISD::VEXTRACT";
case X86ISD::VPERMILP: return "X86ISD::VPERMILP";
case X86ISD::VPERM2X128: return "X86ISD::VPERM2X128";
case X86ISD::VPERMV: return "X86ISD::VPERMV";

12
llvm/lib/Target/X86/X86InstrAVX512.td
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@ -4265,3 +4265,15 @@ def : Pat<(int_x86_avx512_mask_conflict_q_512 VR512:$src2, VR512:$src1,
def : Pat<(store (i1 -1), addr:$dst), (MOV8mi addr:$dst, (i8 1))>;
def : Pat<(store (i1 1), addr:$dst), (MOV8mi addr:$dst, (i8 1))>;
def : Pat<(store (i1 0), addr:$dst), (MOV8mi addr:$dst, (i8 0))>;
def : Pat<(store VK1:$src, addr:$dst),
(KMOVWmk addr:$dst, (COPY_TO_REGCLASS VK1:$src, VK16))>;
def truncstorei1 : PatFrag<(ops node:$val, node:$ptr),
(truncstore node:$val, node:$ptr), [{
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
}]>;
def : Pat<(truncstorei1 GR8:$src, addr:$dst),
(MOV8mr addr:$dst, GR8:$src)>;

25
llvm/test/CodeGen/X86/avx512-mov.ll
View File

@ -153,12 +153,31 @@ define void @test18(i8 * %addr, <8 x i64> %data) {
ret void
}
; CHECK-LABEL: store_i1
; CHECK-LABEL: store_i1_1
; CHECK: movb
; CHECK: movb
; CHECK: ret
define void @store_i1() {
define void @store_i1_1() {
store i1 true, i1 addrspace(3)* undef, align 128
store i1 false, i1 addrspace(2)* undef, align 128
ret void
}
}
; CHECK-LABEL: store_i1_2
; CHECK: movb
; CHECK: ret
define void @store_i1_2(i64 %a, i64 %b) {
%res = icmp eq i64 %a, %b
store i1 %res, i1 addrspace(3)* undef, align 128
ret void
}
; CHECK-LABEL: store_i1_3
; CHECK: kmovw
; CHECK: ret
define void @store_i1_3(i16 %a) {
%a_vec = bitcast i16 %a to <16 x i1>
%res = extractelement <16 x i1> %a_vec, i32 4
store i1 %res, i1 addrspace(3)* undef, align 128
ret void
}