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Hook up vector int_ctlz for AVX512.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211024 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron McInally 2014-06-16 14:12:28 +00:00
parent dfcd461d62
commit 5d57928a32
3 changed files with 32 additions and 0 deletions
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5
lib/Target/X86/X86ISelLowering.cpp
View File

@ -1439,6 +1439,11 @@ void X86TargetLowering::resetOperationActions() {
setOperationAction(ISD::OR, MVT::v16i32, Legal);
setOperationAction(ISD::XOR, MVT::v16i32, Legal);
if (Subtarget->hasCDI()) {
setOperationAction(ISD::CTLZ, MVT::v8i64, Legal);
setOperationAction(ISD::CTLZ, MVT::v16i32, Legal);
}
// Custom lower several nodes.
for (int i = MVT::FIRST_VECTOR_VALUETYPE;
i <= MVT::LAST_VECTOR_VALUETYPE; ++i) {

9
lib/Target/X86/X86InstrAVX512.td
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@ -4378,6 +4378,15 @@ def : Pat<(int_x86_avx512_mask_lzcnt_q_512 VR512:$src2, VR512:$src1,
(VPLZCNTQrrk VR512:$src1,
(v8i1 (COPY_TO_REGCLASS GR8:$mask, VK8WM)), VR512:$src2)>;
def : Pat<(v16i32 (ctlz (memopv16i32 addr:$src))),
(VPLZCNTDrm addr:$src)>;
def : Pat<(v16i32 (ctlz (v16i32 VR512:$src))),
(VPLZCNTDrr VR512:$src)>;
def : Pat<(v8i64 (ctlz (memopv8i64 addr:$src))),
(VPLZCNTQrm addr:$src)>;
def : Pat<(v8i64 (ctlz (v8i64 VR512:$src))),
(VPLZCNTQrr VR512:$src)>;
def : Pat<(store (i1 -1), addr:$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))>;

18
test/CodeGen/X86/avx512-intrinsics.ll
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@ -356,6 +356,24 @@ define <8 x i64> @test_mask_lzcnt_q(<8 x i64> %a, <8 x i64> %b, i8 %mask) {
ret <8 x i64> %res
}
define <16 x i32> @test_ctlz_d(<16 x i32> %a) {
; CHECK-LABEL: test_ctlz_d
; CHECK: vplzcntd
%res = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %a, i1 false)
ret <16 x i32> %res
}
declare <16 x i32> @llvm.ctlz.v16i32(<16 x i32>, i1) nounwind readonly
define <8 x i64> @test_ctlz_q(<8 x i64> %a) {
; CHECK-LABEL: test_ctlz_q
; CHECK: vplzcntq
%res = call <8 x i64> @llvm.ctlz.v8i64(<8 x i64> %a, i1 false)
ret <8 x i64> %res
}
declare <8 x i64> @llvm.ctlz.v8i64(<8 x i64>, i1) nounwind readonly
define <16 x float> @test_x86_mask_blend_ps_512(i16 %a0, <16 x float> %a1, <16 x float> %a2) {
; CHECK: vblendmps
%res = call <16 x float> @llvm.x86.avx512.mask.blend.ps.512(<16 x float> %a1, <16 x float> %a2, i16 %a0) ; <<16 x float>> [#uses=1]