6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-21 23:17:16 +00:00
Code Issues Projects Releases Wiki Activity

Plugin new subtarget backend into the build.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23870 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2005-10-21 19:05:19 +00:00
parent 4bb9cbb730
commit f5fc2cbd6b
7 changed files with 53 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/Target/PowerPC/PPCSubtarget.cpp
+13 -58
View File
@@ -16,6 +16,7 @@
#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/SubtargetFeature.h"
#include "PPCGenSubtarget.inc"
using namespace llvm;
PPCTargetEnum llvm::PPCTarget = TargetDefault;
@@ -29,59 +30,14 @@ namespace llvm {
" Enable Darwin codegen"),
clEnumValEnd),
cl::location(PPCTarget), cl::init(TargetDefault));
}
enum PowerPCFeature {
PowerPCFeature64Bit = 1 << 0,
PowerPCFeatureAltivec = 1 << 1,
PowerPCFeatureFSqrt = 1 << 2,
PowerPCFeatureGPUL = 1 << 3,
PowerPCFeature64BRegs = 1 << 4
};
/// Sorted (by key) array of values for CPU subtype.
static const SubtargetFeatureKV PowerPCSubTypeKV[] = {
{ "601" , "Select the PowerPC 601 processor", 0 },
{ "602" , "Select the PowerPC 602 processor", 0 },
{ "603" , "Select the PowerPC 603 processor", 0 },
{ "603e" , "Select the PowerPC 603e processor", 0 },
{ "603ev" , "Select the PowerPC 603ev processor", 0 },
{ "604" , "Select the PowerPC 604 processor", 0 },
{ "604e" , "Select the PowerPC 604e processor", 0 },
{ "620" , "Select the PowerPC 620 processor", 0 },
{ "7400" , "Select the PowerPC 7400 (G4) processor",
PowerPCFeatureAltivec },
{ "7450" , "Select the PowerPC 7450 (G4+) processor",
PowerPCFeatureAltivec },
{ "750" , "Select the PowerPC 750 (G3) processor", 0 },
{ "970" , "Select the PowerPC 970 (G5 - GPUL) processor",
PowerPCFeature64Bit | PowerPCFeatureAltivec |
PowerPCFeatureFSqrt | PowerPCFeatureGPUL },
{ "g3" , "Select the PowerPC G3 (750) processor", 0 },
{ "g4" , "Select the PowerPC G4 (7400) processor",
PowerPCFeatureAltivec },
{ "g4+" , "Select the PowerPC G4+ (7450) processor",
PowerPCFeatureAltivec },
{ "g5" , "Select the PowerPC g5 (970 - GPUL) processor",
PowerPCFeature64Bit | PowerPCFeatureAltivec |
PowerPCFeatureFSqrt | PowerPCFeatureGPUL },
{ "generic", "Select instructions for a generic PowerPC processor", 0 }
};
/// Length of PowerPCSubTypeKV.
static const unsigned PowerPCSubTypeKVSize = sizeof(PowerPCSubTypeKV)
/ sizeof(SubtargetFeatureKV);
/// Sorted (by key) array of values for CPU features.
static SubtargetFeatureKV PowerPCFeatureKV[] = {
{ "64bit" , "Should 64 bit instructions be used" , PowerPCFeature64Bit },
{ "64bitregs", "Should 64 bit registers be used" , PowerPCFeature64BRegs },
{ "altivec", "Should Altivec instructions be used" , PowerPCFeatureAltivec },
{ "fsqrt" , "Should the fsqrt instruction be used", PowerPCFeatureFSqrt },
{ "gpul" , "Should GPUL instructions be used" , PowerPCFeatureGPUL }
};
/// Length of PowerPCFeatureKV.
static const unsigned PowerPCFeatureKVSize = sizeof(PowerPCFeatureKV)
}
/// Length of FeatureKV.
static const unsigned FeatureKVSize = sizeof(FeatureKV)
/ sizeof(SubtargetFeatureKV);
/// Length of SubTypeKV.
static const unsigned SubTypeKVSize = sizeof(SubTypeKV)
/ sizeof(SubtargetFeatureKV);
#if defined(__APPLE__)
@@ -131,12 +87,11 @@ PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS)
#endif
uint32_t Bits =
SubtargetFeatures::Parse(FS, CPU,
PowerPCSubTypeKV, PowerPCSubTypeKVSize,
PowerPCFeatureKV, PowerPCFeatureKVSize);
IsGigaProcessor = (Bits & PowerPCFeatureGPUL ) != 0;
Is64Bit = (Bits & PowerPCFeature64Bit) != 0;
HasFSQRT = (Bits & PowerPCFeatureFSqrt) != 0;
Has64BitRegs = (Bits & PowerPCFeature64BRegs) != 0;
SubTypeKV, SubTypeKVSize, FeatureKV, FeatureKVSize);
IsGigaProcessor = (Bits & FeatureGPUL ) != 0;
Is64Bit = (Bits & Feature64Bit) != 0;
HasFSQRT = (Bits & FeatureFSqrt) != 0;
Has64BitRegs = (Bits & Feature64BitRegs) != 0;
// Set the boolean corresponding to the current target triple, or the default
// if one cannot be determined, to true.