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wire up a few more things, down to 4 test failures, all

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about handling $stub, lo/hi etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119082 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-11-14 21:51:37 +00:00
parent fd6688f59a
commit b2e477f546
2 changed files with 39 additions and 19 deletions
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54
lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
View File

@ -13,14 +13,12 @@
#define DEBUG_TYPE "asm-printer"
#include "PPCInstPrinter.h"
#include "PPCPredicates.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
//#include "llvm/MC/MCAsmInfo.h"
//#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "PPCGenRegisterNames.inc"
#include "PPCGenInstrNames.inc"
using namespace llvm;
#define GET_INSTRUCTION_NAME
@ -84,6 +82,34 @@ void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
printInstruction(MI, O);
}
void PPCInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O,
const char *Modifier) {
assert(Modifier && "Must specify 'cc' or 'reg' as predicate op modifier!");
unsigned Code = MI->getOperand(OpNo).getImm();
if (StringRef(Modifier) == "cc") {
switch ((PPC::Predicate)Code) {
default: assert(0 && "Invalid predicate");
case PPC::PRED_ALWAYS: return; // Don't print anything for always.
case PPC::PRED_LT: O << "lt"; return;
case PPC::PRED_LE: O << "le"; return;
case PPC::PRED_EQ: O << "eq"; return;
case PPC::PRED_GE: O << "ge"; return;
case PPC::PRED_GT: O << "gt"; return;
case PPC::PRED_NE: O << "ne"; return;
case PPC::PRED_UN: O << "un"; return;
case PPC::PRED_NU: O << "nu"; return;
}
}
assert(StringRef(Modifier) == "reg" &&
"Need to specify 'cc' or 'reg' as predicate op modifier!");
// Don't print the register for 'always'.
if (Code == PPC::PRED_ALWAYS) return;
printOperand(MI, OpNo+1, O);
}
void PPCInstPrinter::printS5ImmOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
char Value = MI->getOperand(OpNo).getImm();
@ -117,20 +143,10 @@ void PPCInstPrinter::printU16ImmOperand(const MCInst *MI, unsigned OpNo,
void PPCInstPrinter::printS16X4ImmOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
if (MI->getOperand(OpNo).isImm()) {
if (MI->getOperand(OpNo).isImm())
O << (short)(MI->getOperand(OpNo).getImm()*4);
return;
}
assert(0 && "Unhandled operand");
#if 0
O << "lo16(";
printOp(MI->getOperand(OpNo), O);
if (TM.getRelocationModel() == Reloc::PIC_)
O << "-\"L" << getFunctionNumber() << "$pb\")";
else
O << ')';
#endif
printOperand(MI, OpNo, O);
}
void PPCInstPrinter::printBranchOperand(const MCInst *MI, unsigned OpNo,
@ -140,10 +156,14 @@ void PPCInstPrinter::printBranchOperand(const MCInst *MI, unsigned OpNo,
// Branches can take an immediate operand. This is used by the branch
// selection pass to print $+8, an eight byte displacement from the PC.
O << "$+" << MI->getOperand(OpNo).getImm()*4;
O << "$+";
printAbsAddrOperand(MI, OpNo, O);
}
void PPCInstPrinter::printAbsAddrOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
O << (int)MI->getOperand(OpNo).getImm()*4;
}
void PPCInstPrinter::printcrbitm(const MCInst *MI, unsigned OpNo,

4
lib/Target/PowerPC/InstPrinter/PPCInstPrinter.h
View File

@ -42,7 +42,7 @@ public:
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printPredicateOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O, const char *Modifier) {}
raw_ostream &O, const char *Modifier);
void printS5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
@ -55,7 +55,7 @@ public:
void printCallOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
printOperand(MI, OpNo, O);
}
void printAbsAddrOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {}
void printAbsAddrOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
void printcrbitm(const MCInst *MI, unsigned OpNo, raw_ostream &O);