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Instructions with variable operands (variable_ops) can have a number required

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operands. e.g.
def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst, variable_ops),
                "call {*}$dst", [(X86call GR32:$dst)]>;
TableGen should emit operand informations for the "required" operands.

Added a target instruction info flag M_VARIABLE_OPS to indicate the target
instruction may have more operands in addition to the minimum required
operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28791 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2006-06-15 07:22:16 +00:00
parent d7c2c86239
commit 8d3af5e7d0
4 changed files with 25 additions and 13 deletions
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lib/CodeGen/MachineInstr.cpp
+2 -1
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@@ -91,7 +91,8 @@ MachineInstr *MachineInstr::removeFromParent() {
///
bool MachineInstr::OperandsComplete() const {
int NumOperands = TargetInstrDescriptors[Opcode].numOperands;
if (NumOperands >= 0 && getNumOperands() >= (unsigned)NumOperands)
if ((TargetInstrDescriptors[Opcode].Flags & M_VARIABLE_OPS) == 0 &&
getNumOperands() >= (unsigned)NumOperands)
return true; // Broken: we have all the operands of this instruction!
return false;
}