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Add more unimplemented asm modifiers and some documentation of what they 

do.

Part of rdar://9119939.

llvm-svn: 132015
This commit is contained in:
Eric Christopher 2011-05-24 22:27:43 +00:00
parent 8a54c3d4ce
commit d4562566b4
1 changed files with 13 additions and 3 deletions
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16
llvm/lib/Target/ARM/ARMAsmPrinter.cpp
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@ -416,9 +416,19 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
return false;
}
// Fallthrough to unsupported.
case 'Q':
case 'R':
case 'H':
case 'B': // Bitwise inverse of integer or symbol without a preceding #.
case 'L': // The low 16 bits of an immediate constant.
case 'm': // The base register of a memory operand.
case 'M': // A register range suitable for LDM/STM.
case 'p': // The high single-precision register of a VFP double-precision
// register.
case 'e': // The low doubleword register of a NEON quad register.
case 'f': // The high doubleword register of a NEON quad register.
case 'h': // A range of VFP/NEON registers suitable for VLD1/VST1.
case 'A': // A memory operand for a VLD1/VST1 instruction.
case 'Q': // The least significant register of a pair.
case 'R': // The most significant register of a pair.
case 'H': // The highest-numbered register of a pair.
// These modifiers are not yet supported.
return true;
}