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Subtarget feature can now set any variable to any value

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25678 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-27 08:09:42 +00:00
parent 0cfcc1e807
commit 19c9550744
6 changed files with 22 additions and 21 deletions
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4
lib/Target/Alpha/Alpha.td
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@ -20,9 +20,9 @@ include "../Target.td"
// Subtarget Features
//===----------------------------------------------------------------------===//
def FeatureCIX : SubtargetFeature<"CIX", "bool", "HasCT",
def FeatureCIX : SubtargetFeature<"CIX", "HasCT", "true",
"Enable CIX extentions">;
def FeatureFIX : SubtargetFeature<"FIX", "bool", "HasF2I",
def FeatureFIX : SubtargetFeature<"FIX", "HasF2I", "true",
"Enable FIX extentions">;
//===----------------------------------------------------------------------===//

10
lib/Target/PowerPC/PPC.td
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@ -19,15 +19,15 @@ include "../Target.td"
// PowerPC Subtarget features.
//
def Feature64Bit : SubtargetFeature<"64bit", "bool", "Is64Bit",
def Feature64Bit : SubtargetFeature<"64bit","Is64Bit", "true",
"Enable 64-bit instructions">;
def Feature64BitRegs : SubtargetFeature<"64bitregs", "bool", "Has64BitRegs",
def Feature64BitRegs : SubtargetFeature<"64bitregs","Has64BitRegs", "true",
"Enable 64-bit registers [beta]">;
def FeatureAltivec : SubtargetFeature<"altivec", "bool", "HasAltivec",
def FeatureAltivec : SubtargetFeature<"altivec","HasAltivec", "true",
"Enable Altivec instructions">;
def FeatureGPUL : SubtargetFeature<"gpul", "bool", "IsGigaProcessor",
def FeatureGPUL : SubtargetFeature<"gpul","IsGigaProcessor", "true",
"Enable GPUL instructions">;
def FeatureFSqrt : SubtargetFeature<"fsqrt", "bool", "HasFSQRT",
def FeatureFSqrt : SubtargetFeature<"fsqrt","HasFSQRT", "true",
"Enable the fsqrt instruction">;
//===----------------------------------------------------------------------===//

6
lib/Target/Sparc/Sparc.td
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@ -21,13 +21,13 @@ include "../Target.td"
//
def FeatureV9
: SubtargetFeature<"v9", "bool", "IsV9",
: SubtargetFeature<"v9", "IsV9", "true",
"Enable SPARC-V9 instructions">;
def FeatureV8Deprecated
: SubtargetFeature<"deprecated-v8", "bool", "V8DeprecatedInsts",
: SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true",
"Enable deprecated V8 instructions in V9 mode">;
def FeatureVIS
: SubtargetFeature<"vis", "bool", "IsVIS",
: SubtargetFeature<"vis", "IsVIS", "true",
"Enable UltraSPARC Visual Instruction Set extensions">;
//===----------------------------------------------------------------------===//

6
lib/Target/SparcV8/SparcV8.td
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@ -21,13 +21,13 @@ include "../Target.td"
//
def FeatureV9
: SubtargetFeature<"v9", "bool", "IsV9",
: SubtargetFeature<"v9", "IsV9", "true",
"Enable SPARC-V9 instructions">;
def FeatureV8Deprecated
: SubtargetFeature<"deprecated-v8", "bool", "V8DeprecatedInsts",
: SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true",
"Enable deprecated V8 instructions in V9 mode">;
def FeatureVIS
: SubtargetFeature<"vis", "bool", "IsVIS",
: SubtargetFeature<"vis", "IsVIS", "true",
"Enable UltraSPARC Visual Instruction Set extensions">;
//===----------------------------------------------------------------------===//

10
lib/Target/Target.td
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@ -287,20 +287,20 @@ class Target {
//===----------------------------------------------------------------------===//
// SubtargetFeature - A characteristic of the chip set.
//
class SubtargetFeature<string n, string t, string a, string d> {
class SubtargetFeature<string n, string a, string v, string d> {
// Name - Feature name. Used by command line (-mattr=) to determine the
// appropriate target chip.
//
string Name = n;
// Type - Type of attribute to be set by feature.
//
string Type = t;
// Attribute - Attribute to be set by feature.
//
string Attribute = a;
// Value - Value the attribute to be set to by feature.
//
string Value = v;
// Desc - Feature description. Used by command line (-mattr=) to display help
// information.
//

7
utils/TableGen/SubtargetEmitter.cpp
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@ -473,10 +473,11 @@ void SubtargetEmitter::ParseFeaturesFunction(std::ostream &OS) {
Record *R = Features[i];
std::string Instance = R->getName();
std::string Name = R->getValueAsString("Name");
std::string Type = R->getValueAsString("Type");
std::string Value = R->getValueAsString("Value");
std::string Attribute = R->getValueAsString("Attribute");
OS << " " << Attribute << " = (Bits & " << Instance << ") != 0;\n";
OS << " if ((Bits & " << Instance << ") != 0) "
<< Attribute << " = " << Value << ";\n";
}
if (HasItineraries) {