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Add a FIXME and two asserts for now in the ARMAsmParser when it sees .code 16 or

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.code 32 if the TargetMachine's isThumb() boolean does not match.  The correct
fix is to switch ARM subtargets at that point and is tracked by rdar://8856789
which is bigger task.

llvm-svn: 123353
This commit is contained in:
Kevin Enderby 2011-01-13 01:07:01 +00:00
parent f4ec824435
commit 1f82daa2d8
1 changed files with 12 additions and 2 deletions
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14
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -1351,10 +1351,20 @@ bool ARMAsmParser::ParseDirectiveCode(SMLoc L) {
return Error(Parser.getTok().getLoc(), "unexpected token in directive");
Parser.Lex();
if (Val == 16)
// FIXME: We need to be able switch subtargets at this point so that
// MatchInstructionImpl() will work when it gets the AvailableFeatures which
// includes Feature_IsThumb or not to match the right instructions. This is
// blocked on the FIXME in llvm-mc.cpp when creating the TargetMachine.
if (Val == 16){
assert(TM.getSubtarget<ARMSubtarget>().isThumb() &&
"switching between arm/thumb not yet suppported via .code 16)");
getParser().getStreamer().EmitAssemblerFlag(MCAF_Code16);
else
}
else{
assert(!TM.getSubtarget<ARMSubtarget>().isThumb() &&
"switching between thumb/arm not yet suppported via .code 32)");
getParser().getStreamer().EmitAssemblerFlag(MCAF_Code32);
}
return false;
}