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[AVX512] VPERMQ/VPERMPD/VPERMIL single op shuffles are not variable shuffles 

These variants all take an immediate shuffle mask value and should be scheduled as such.

llvm-svn: 330747
This commit is contained in:
Simon Pilgrim 2018-04-24 17:59:54 +00:00
parent 5b84d81764
commit cf0199a289
1 changed files with 5 additions and 4 deletions
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9
llvm/lib/Target/X86/X86InstrAVX512.td
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@ -5585,6 +5585,7 @@ let Predicates = [HasAVX512, NoVLX] in {
//===-------------------------------------------------------------------===//
// Variable Bit Shifts
//===-------------------------------------------------------------------===//
multiclass avx512_var_shift<bits<8> opc, string OpcodeStr, SDNode OpNode,
X86FoldableSchedWrite sched, X86VectorVTInfo _> {
let ExeDomain = _.ExeDomain in {
@ -5754,7 +5755,6 @@ defm : avx512_var_shift_int_lowering_mb<"VPSRAVQ", v2i64x_info, [HasVLX]>;
defm : avx512_var_shift_int_lowering_mb<"VPSRAVQ", v4i64x_info, [HasVLX]>;
defm : avx512_var_shift_int_lowering_mb<"VPSRAVQ", v8i64_info, [HasAVX512]>;
// Use 512bit VPROL/VPROLI version to implement v2i64/v4i64 + v4i32/v8i32 in case NoVLX.
let Predicates = [HasAVX512, NoVLX] in {
def : Pat<(v2i64 (rotl (v2i64 VR128X:$src1), (v2i64 VR128X:$src2))),
@ -5860,6 +5860,7 @@ let Predicates = [HasAVX512, NoVLX] in {
//===-------------------------------------------------------------------===//
// 1-src variable permutation VPERMW/D/Q
//===-------------------------------------------------------------------===//
multiclass avx512_vperm_dq_sizes<bits<8> opc, string OpcodeStr, SDNode OpNode,
X86FoldableSchedWrite sched, AVX512VLVectorVTInfo _> {
let Predicates = [HasAVX512] in
@ -5915,10 +5916,10 @@ defm VPERMPD : avx512_vperm_dq_sizes<0x16, "vpermpd", X86VPermv,
WriteFVarShuffle256, avx512vl_f64_info>, VEX_W;
defm VPERMQ : avx512_vpermi_dq_sizes<0x00, MRMSrcReg, MRMSrcMem, "vpermq",
X86VPermi, WriteVarShuffle256, avx512vl_i64_info>,
X86VPermi, WriteShuffle256, avx512vl_i64_info>,
EVEX, AVX512AIi8Base, EVEX_CD8<64, CD8VF>, VEX_W;
defm VPERMPD : avx512_vpermi_dq_sizes<0x01, MRMSrcReg, MRMSrcMem, "vpermpd",
X86VPermi, WriteFVarShuffle256, avx512vl_f64_info>,
X86VPermi, WriteFShuffle256, avx512vl_f64_info>,
EVEX, AVX512AIi8Base, EVEX_CD8<64, CD8VF>, VEX_W;
//===----------------------------------------------------------------------===//
// AVX-512 - VPERMIL
@ -5972,7 +5973,7 @@ multiclass avx512_permil<string OpcodeStr, bits<8> OpcImm, bits<8> OpcVar,
AVX512VLVectorVTInfo _, AVX512VLVectorVTInfo Ctrl>{
defm NAME: avx512_permil_vec_common<OpcodeStr, OpcVar, WriteFVarShuffle, _, Ctrl>;
defm NAME: avx512_shift_rmi_sizes<OpcImm, MRMSrcReg, MRMSrcMem, OpcodeStr,
X86VPermilpi, WriteFVarShuffle, _>,
X86VPermilpi, WriteFShuffle, _>,
EVEX, AVX512AIi8Base, EVEX_CD8<_.info128.EltSize, CD8VF>;
}