mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 19:29:31 +00:00
Add asmprintergen support for the last X86 instruction that needs it: pcrelative calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15657 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
8198fcfc5d
commit
e4ead0ce62
@ -115,6 +115,10 @@ namespace {
|
||||
}
|
||||
}
|
||||
|
||||
void printCallOperand(const MachineInstr *MI, unsigned OpNo, MVT::ValueType VT) {
|
||||
printOp(MI->getOperand(OpNo), true); // Don't print "OFFSET".
|
||||
}
|
||||
|
||||
void printMemoryOperand(const MachineInstr *MI, unsigned OpNo,
|
||||
MVT::ValueType VT) {
|
||||
switch (VT) {
|
||||
@ -618,6 +622,9 @@ void X86AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
|
||||
if (printInstruction(MI))
|
||||
return; // Printer was automatically generated
|
||||
|
||||
MI->dump();
|
||||
abort();
|
||||
|
||||
unsigned Opcode = MI->getOpcode();
|
||||
const TargetInstrInfo &TII = *TM.getInstrInfo();
|
||||
const TargetInstrDescriptor &Desc = TII.get(Opcode);
|
||||
|
@ -29,6 +29,10 @@ def f32mem : X86MemOperand<f32>;
|
||||
def f64mem : X86MemOperand<f64>;
|
||||
def f80mem : X86MemOperand<f80>;
|
||||
|
||||
// PCRelative calls need special operand formatting.
|
||||
let PrintMethod = "printCallOperand" in
|
||||
def calltarget : Operand<i32>;
|
||||
|
||||
// Format specifies the encoding used by the instruction. This is part of the
|
||||
// ad-hoc solution used to emit machine instruction encodings by our machine
|
||||
// code emitter.
|
||||
@ -196,7 +200,7 @@ def JG : IBr<0x8F, (ops i32imm:$dst), "jg $dst">, TB;
|
||||
let isCall = 1 in
|
||||
// All calls clobber the non-callee saved registers...
|
||||
let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6] in {
|
||||
def CALLpcrel32 : X86Inst<"call", 0xE8, RawFrm, NoMem, NoImm>; // FIXME: 'call' doesn't allow 'OFFSET'
|
||||
def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst">;
|
||||
def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call $dst">;
|
||||
def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call $dst">;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user