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| author | James Molloy <james.molloy@arm.com> | 2012-04-17 08:18:00 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2012-04-17 08:18:00 +0000 |
| commit | 72aadc057c3fb92b5ccbc4c856306abd3b9d3b83 (patch) | |
| tree | 255dae91488f1e65e0d0ca4810677f9c59009dd4 /lib | |
| parent | 86df062791d50b35ae274bbeb8fe2f37944e284a (diff) | |
| download | external_llvm-72aadc057c3fb92b5ccbc4c856306abd3b9d3b83.zip external_llvm-72aadc057c3fb92b5ccbc4c856306abd3b9d3b83.tar.gz external_llvm-72aadc057c3fb92b5ccbc4c856306abd3b9d3b83.tar.bz2 | |
Fix bad EXTRACT_SUBREG in instruction selection for extending-loads on NEON.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154915 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMInstrNEON.td | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td index 7a368bf..fd8ac0b 100644 --- a/lib/Target/ARM/ARMInstrNEON.td +++ b/lib/Target/ARM/ARMInstrNEON.td @@ -5634,6 +5634,7 @@ multiclass Lengthen_HalfSingle<string DestLanes, string DestTy, string SrcTy, // extload, zextload and sextload for a lengthening load followed by another // lengthening load, to quadruple the initial length. +// // Lengthen_Double<"4", "i32", "i8", "8", "i16", "4", "i32", qsub_0> = // Pat<(v4i32 (extloadvi8 addrmode5:$addr)) // (EXTRACT_SUBREG (VMOVLuv4i32 @@ -5644,28 +5645,63 @@ multiclass Lengthen_HalfSingle<string DestLanes, string DestTy, string SrcTy, // qsub_0)>; multiclass Lengthen_Double<string DestLanes, string DestTy, string SrcTy, string Insn1Lanes, string Insn1Ty, string Insn2Lanes, - string Insn2Ty, SubRegIndex RegType> { + string Insn2Ty> { + def _Any : Pat<(!cast<ValueType>("v" # DestLanes # DestTy) + (!cast<PatFrag>("extloadv" # SrcTy) addrmode5:$addr)), + (!cast<Instruction>("VMOVLuv" # Insn2Lanes # Insn2Ty) + (EXTRACT_SUBREG (!cast<Instruction>("VMOVLuv" # Insn1Lanes # Insn1Ty) + (INSERT_SUBREG (f64 (IMPLICIT_DEF)), (VLDRS addrmode5:$addr), + ssub_0)), dsub_0))>; + def _Z : Pat<(!cast<ValueType>("v" # DestLanes # DestTy) + (!cast<PatFrag>("zextloadv" # SrcTy) addrmode5:$addr)), + (!cast<Instruction>("VMOVLuv" # Insn2Lanes # Insn2Ty) + (EXTRACT_SUBREG (!cast<Instruction>("VMOVLuv" # Insn1Lanes # Insn1Ty) + (INSERT_SUBREG (f64 (IMPLICIT_DEF)), (VLDRS addrmode5:$addr), + ssub_0)), dsub_0))>; + def _S : Pat<(!cast<ValueType>("v" # DestLanes # DestTy) + (!cast<PatFrag>("sextloadv" # SrcTy) addrmode5:$addr)), + (!cast<Instruction>("VMOVLsv" # Insn2Lanes # Insn2Ty) + (EXTRACT_SUBREG (!cast<Instruction>("VMOVLsv" # Insn1Lanes # Insn1Ty) + (INSERT_SUBREG (f64 (IMPLICIT_DEF)), (VLDRS addrmode5:$addr), + ssub_0)), dsub_0))>; +} + +// extload, zextload and sextload for a lengthening load followed by another +// lengthening load, to quadruple the initial length, but which ends up only +// requiring half the available lanes (a 64-bit outcome instead of a 128-bit). +// +// Lengthen_HalfDouble<"2", "i32", "i8", "8", "i16", "4", "i32"> = +// Pat<(v4i32 (extloadvi8 addrmode5:$addr)) +// (EXTRACT_SUBREG (VMOVLuv4i32 +// (EXTRACT_SUBREG (VMOVLuv8i16 (INSERT_SUBREG (f64 (IMPLICIT_DEF)), +// (VLDRS addrmode5:$addr), +// ssub_0)), +// dsub_0)), +// dsub_0)>; +multiclass Lengthen_HalfDouble<string DestLanes, string DestTy, string SrcTy, + string Insn1Lanes, string Insn1Ty, string Insn2Lanes, + string Insn2Ty> { def _Any : Pat<(!cast<ValueType>("v" # DestLanes # DestTy) (!cast<PatFrag>("extloadv" # SrcTy) addrmode5:$addr)), (EXTRACT_SUBREG (!cast<Instruction>("VMOVLuv" # Insn2Lanes # Insn2Ty) (EXTRACT_SUBREG (!cast<Instruction>("VMOVLuv" # Insn1Lanes # Insn1Ty) (INSERT_SUBREG (f64 (IMPLICIT_DEF)), (VLDRS addrmode5:$addr), ssub_0)), dsub_0)), - RegType)>; + dsub_0)>; def _Z : Pat<(!cast<ValueType>("v" # DestLanes # DestTy) (!cast<PatFrag>("zextloadv" # SrcTy) addrmode5:$addr)), (EXTRACT_SUBREG (!cast<Instruction>("VMOVLuv" # Insn2Lanes # Insn2Ty) (EXTRACT_SUBREG (!cast<Instruction>("VMOVLuv" # Insn1Lanes # Insn1Ty) (INSERT_SUBREG (f64 (IMPLICIT_DEF)), (VLDRS addrmode5:$addr), ssub_0)), dsub_0)), - RegType)>; + dsub_0)>; def _S : Pat<(!cast<ValueType>("v" # DestLanes # DestTy) (!cast<PatFrag>("sextloadv" # SrcTy) addrmode5:$addr)), (EXTRACT_SUBREG (!cast<Instruction>("VMOVLsv" # Insn2Lanes # Insn2Ty) (EXTRACT_SUBREG (!cast<Instruction>("VMOVLsv" # Insn1Lanes # Insn1Ty) (INSERT_SUBREG (f64 (IMPLICIT_DEF)), (VLDRS addrmode5:$addr), ssub_0)), dsub_0)), - RegType)>; + dsub_0)>; } defm : Lengthen_Single<"8", "i16", "i8">; // v8i8 -> v8i16 @@ -5676,12 +5712,12 @@ defm : Lengthen_HalfSingle<"4", "i16", "i8", "8", "i16">; // v4i8 -> v4i16 defm : Lengthen_HalfSingle<"2", "i16", "i8", "8", "i16">; // v2i8 -> v2i16 defm : Lengthen_HalfSingle<"2", "i32", "i16", "4", "i32">; // v2i16 -> v2i32 -// Double lengthening - v4i8 -> v4i16 -> v4i32 -defm : Lengthen_Double<"4", "i32", "i8", "8", "i16", "4", "i32", qsub_0>; +// Double lengthening - v4i8 -> v4i16 -> v4i32 +defm : Lengthen_Double<"4", "i32", "i8", "8", "i16", "4", "i32">; // v2i8 -> v2i16 -> v2i32 -defm : Lengthen_Double<"2", "i32", "i8", "8", "i16", "4", "i32", dsub_0>; +defm : Lengthen_HalfDouble<"2", "i32", "i8", "8", "i16", "4", "i32">; // v2i16 -> v2i32 -> v2i64 -defm : Lengthen_Double<"2", "i64", "i16", "4", "i32", "2", "i64", qsub_0>; +defm : Lengthen_Double<"2", "i64", "i16", "4", "i32", "2", "i64">; // Triple lengthening - v2i8 -> v2i16 -> v2i32 -> v2i64 def : Pat<(v2i64 (extloadvi8 addrmode5:$addr)), |