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[Hexagon] Remove -mhvx-double and the corresponding subtarget feature

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Specifying the HVX vector length should be done via the -mhvx-length
option.

llvm-svn: 329079
This commit is contained in:
Krzysztof Parzyszek 2018-04-03 16:06:36 +00:00
parent d3874c8694
commit 2d539eff53
3 changed files with 31 additions and 49 deletions
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25
lib/Target/Hexagon/Hexagon.td
View File

@ -36,18 +36,11 @@ def ExtensionHVXV62: SubtargetFeature<"hvxv62", "HexagonHVXVersion",
def ExtensionHVXV65: SubtargetFeature<"hvxv65", "HexagonHVXVersion", def ExtensionHVXV65: SubtargetFeature<"hvxv65", "HexagonHVXVersion",
"Hexagon::ArchEnum::V65", "Hexagon HVX instructions", "Hexagon::ArchEnum::V65", "Hexagon HVX instructions",
[ExtensionHVX,ExtensionHVXV60, ExtensionHVXV62]>; [ExtensionHVX,ExtensionHVXV60, ExtensionHVXV62]>;
def ExtensionHVX64B
: SubtargetFeature<"hvx-length64b", "UseHVX64BOps", "true",
"Hexagon HVX 64B instructions", [ExtensionHVX]>;
def ExtensionHVX128B
: SubtargetFeature<"hvx-length128b", "UseHVX128BOps", "true",
"Hexagon HVX 128B instructions", [ExtensionHVX]>;
// This is an alias to ExtensionHVX128B to accept the hvx-double as def ExtensionHVX64B: SubtargetFeature<"hvx-length64b", "UseHVX64BOps",
// an acceptable subtarget feature. "true", "Hexagon HVX 64B instructions", [ExtensionHVX]>;
def ExtensionHVXDbl def ExtensionHVX128B: SubtargetFeature<"hvx-length128b", "UseHVX128BOps",
: SubtargetFeature<"hvx-double", "UseHVX128BOps", "true", "true", "Hexagon HVX 128B instructions", [ExtensionHVX]>;
"Hexagon HVX 128B instructions", [ExtensionHVX128B]>;
def FeaturePackets: SubtargetFeature<"packets", "UsePackets", "true", def FeaturePackets: SubtargetFeature<"packets", "UsePackets", "true",
"Support for instruction packets">; "Support for instruction packets">;
@ -55,9 +48,9 @@ def FeatureLongCalls: SubtargetFeature<"long-calls", "UseLongCalls", "true",
"Use constant-extended calls">; "Use constant-extended calls">;
def FeatureMemNoShuf: SubtargetFeature<"mem_noshuf", "HasMemNoShuf", "false", def FeatureMemNoShuf: SubtargetFeature<"mem_noshuf", "HasMemNoShuf", "false",
"Supports mem_noshuf feature">; "Supports mem_noshuf feature">;
def FeatureNVJ : SubtargetFeature<"nvj", "UseNewValueJumps", "true", def FeatureNVJ: SubtargetFeature<"nvj", "UseNewValueJumps", "true",
"Support for new-value jumps", [FeaturePackets]>; "Support for new-value jumps", [FeaturePackets]>;
def FeatureDuplex : SubtargetFeature<"duplex", "EnableDuplex", "true", def FeatureDuplex: SubtargetFeature<"duplex", "EnableDuplex", "true",
"Enable generation of duplex instruction">; "Enable generation of duplex instruction">;
def FeatureReservedR19: SubtargetFeature<"reserved-r19", "ReservedR19", def FeatureReservedR19: SubtargetFeature<"reserved-r19", "ReservedR19",
"true", "Reserve register R19">; "true", "Reserve register R19">;
@ -81,10 +74,8 @@ def UseHVXV62 : Predicate<"HST->useHVXOps()">,
def UseHVXV65 : Predicate<"HST->useHVXOps()">, def UseHVXV65 : Predicate<"HST->useHVXOps()">,
AssemblerPredicate<"ExtensionHVXV65">; AssemblerPredicate<"ExtensionHVXV65">;
def Hvx64 : HwMode<"+hvx-length64b">; def Hvx64: HwMode<"+hvx-length64b">;
def Hvx64old : HwMode<"-hvx-double">; def Hvx128: HwMode<"+hvx-length128b">;
def Hvx128 : HwMode<"+hvx-length128b">;
def Hvx128old : HwMode<"+hvx-double">;
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// Classes used for relation maps. // Classes used for relation maps.

52
lib/Target/Hexagon/HexagonRegisterInfo.td
View File

@ -270,36 +270,28 @@ let Namespace = "Hexagon" in {
// HVX types // HVX types
def VecI1 def VecI1: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], [v512i1, v1024i1, v512i1]>;
[v512i1, v512i1, v1024i1, v1024i1, v512i1]>; def VecI8: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
def VecI8 [v64i8, v128i8, v64i8]>;
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], def VecI16: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
[v64i8, v64i8, v128i8, v128i8, v64i8]>; [v32i16, v64i16, v32i16]>;
def VecI16 def VecI32: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], [v16i32, v32i32, v16i32]>;
[v32i16, v32i16, v64i16, v64i16, v32i16]>;
def VecI32 def VecPI8: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], [v128i8, v256i8, v128i8]>;
[v16i32, v16i32, v32i32, v32i32, v16i32]>; def VecPI16: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
def VecPI8 [v64i16, v128i16, v64i16]>;
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], def VecPI32: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
[v128i8, v128i8, v256i8, v256i8, v128i8]>; [v32i32, v64i32, v32i32]>;
def VecPI16
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], def VecQ8: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
[v64i16, v64i16, v128i16, v128i16, v64i16]>; [v64i1, v128i1, v64i1]>;
def VecPI32 def VecQ16: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode], [v32i1, v64i1, v32i1]>;
[v32i32, v32i32, v64i32, v64i32, v32i32]>; def VecQ32: ValueTypeByHwMode<[Hvx64, Hvx128, DefaultMode],
def VecQ8 [v16i1, v32i1, v16i1]>;
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode],
[v64i1, v64i1, v128i1, v128i1, v64i1]>;
def VecQ16
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode],
[v32i1, v32i1, v64i1, v64i1, v32i1]>;
def VecQ32
: ValueTypeByHwMode<[Hvx64, Hvx64old, Hvx128, Hvx128old, DefaultMode],
[v16i1, v16i1, v32i1, v32i1, v16i1]>;
// HVX register classes // HVX register classes

3
lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
View File

@ -342,8 +342,7 @@ FeatureBitset Hexagon_MC::completeHVXFeatures(const FeatureBitset &S) {
break; break;
} }
bool UseHvx = false; bool UseHvx = false;
for (unsigned F : {ExtensionHVX, ExtensionHVX64B, ExtensionHVX128B, for (unsigned F : {ExtensionHVX, ExtensionHVX64B, ExtensionHVX128B}) {
ExtensionHVXDbl}) {
if (!FB.test(F)) if (!FB.test(F))
continue; continue;
UseHvx = true; UseHvx = true;