Added support for new condition code modeling scheme (i.e. physical register dependency). These are a bunch of instructions that are duplicated so the x86 backend can support both the old and new schemes at the same time. They will be deleted after
all the kinks are worked out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42285 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 0cf65b0..e510369 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -21,6 +21,7 @@
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/SSARegMap.h"
+#include "llvm/Target/TargetOptions.h"
using namespace llvm;
X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
@@ -385,28 +386,68 @@
case X86::JNP: return X86::COND_NP;
case X86::JO: return X86::COND_O;
case X86::JNO: return X86::COND_NO;
+ // TEMPORARY
+ case X86::NEW_JE: return X86::COND_E;
+ case X86::NEW_JNE: return X86::COND_NE;
+ case X86::NEW_JL: return X86::COND_L;
+ case X86::NEW_JLE: return X86::COND_LE;
+ case X86::NEW_JG: return X86::COND_G;
+ case X86::NEW_JGE: return X86::COND_GE;
+ case X86::NEW_JB: return X86::COND_B;
+ case X86::NEW_JBE: return X86::COND_BE;
+ case X86::NEW_JA: return X86::COND_A;
+ case X86::NEW_JAE: return X86::COND_AE;
+ case X86::NEW_JS: return X86::COND_S;
+ case X86::NEW_JNS: return X86::COND_NS;
+ case X86::NEW_JP: return X86::COND_P;
+ case X86::NEW_JNP: return X86::COND_NP;
+ case X86::NEW_JO: return X86::COND_O;
+ case X86::NEW_JNO: return X86::COND_NO;
+
}
}
unsigned X86::GetCondBranchFromCond(X86::CondCode CC) {
+ if (!NewCCModeling) {
+ switch (CC) {
+ default: assert(0 && "Illegal condition code!");
+ case X86::COND_E: return X86::JE;
+ case X86::COND_NE: return X86::JNE;
+ case X86::COND_L: return X86::JL;
+ case X86::COND_LE: return X86::JLE;
+ case X86::COND_G: return X86::JG;
+ case X86::COND_GE: return X86::JGE;
+ case X86::COND_B: return X86::JB;
+ case X86::COND_BE: return X86::JBE;
+ case X86::COND_A: return X86::JA;
+ case X86::COND_AE: return X86::JAE;
+ case X86::COND_S: return X86::JS;
+ case X86::COND_NS: return X86::JNS;
+ case X86::COND_P: return X86::JP;
+ case X86::COND_NP: return X86::JNP;
+ case X86::COND_O: return X86::JO;
+ case X86::COND_NO: return X86::JNO;
+ }
+ }
+
switch (CC) {
default: assert(0 && "Illegal condition code!");
- case X86::COND_E: return X86::JE;
- case X86::COND_NE: return X86::JNE;
- case X86::COND_L: return X86::JL;
- case X86::COND_LE: return X86::JLE;
- case X86::COND_G: return X86::JG;
- case X86::COND_GE: return X86::JGE;
- case X86::COND_B: return X86::JB;
- case X86::COND_BE: return X86::JBE;
- case X86::COND_A: return X86::JA;
- case X86::COND_AE: return X86::JAE;
- case X86::COND_S: return X86::JS;
- case X86::COND_NS: return X86::JNS;
- case X86::COND_P: return X86::JP;
- case X86::COND_NP: return X86::JNP;
- case X86::COND_O: return X86::JO;
- case X86::COND_NO: return X86::JNO;
+ case X86::COND_E: return X86::NEW_JE;
+ case X86::COND_NE: return X86::NEW_JNE;
+ case X86::COND_L: return X86::NEW_JL;
+ case X86::COND_LE: return X86::NEW_JLE;
+ case X86::COND_G: return X86::NEW_JG;
+ case X86::COND_GE: return X86::NEW_JGE;
+ case X86::COND_B: return X86::NEW_JB;
+ case X86::COND_BE: return X86::NEW_JBE;
+ case X86::COND_A: return X86::NEW_JA;
+ case X86::COND_AE: return X86::NEW_JAE;
+ case X86::COND_S: return X86::NEW_JS;
+ case X86::COND_NS: return X86::NEW_JNS;
+ case X86::COND_P: return X86::NEW_JP;
+ case X86::COND_NP: return X86::NEW_JNP;
+ case X86::COND_O: return X86::NEW_JO;
+ case X86::COND_NO: return X86::NEW_JNO;
}
}