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ARM Asm parsing of Thumb2 move immediate. 

Thumb2 MOV mnemonic can accept both cc_out and predication. We don't (yet)
encode the instruction properly, but this gets the parsing part.

llvm-svn: 133945
This commit is contained in:
Jim Grosbach 2011-06-27 21:38:03 +00:00
parent 8d71a75777
commit 1a13cd77f1
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
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@ -1826,6 +1826,7 @@ static StringRef SplitMnemonic(StringRef Mnemonic,
void ARMAsmParser::
GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
bool &CanAcceptPredicationCode) {
bool isThumbOne = TM.getSubtarget<ARMSubtarget>().isThumb1Only();
bool isThumb = TM.getSubtarget<ARMSubtarget>().isThumb();
if (Mnemonic == "and" || Mnemonic == "lsl" || Mnemonic == "lsr" ||
@ -1836,7 +1837,7 @@ GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
Mnemonic == "rsb" || Mnemonic == "rsc" || Mnemonic == "orn" ||
Mnemonic == "sbc" || Mnemonic == "mla" || Mnemonic == "umull" ||
Mnemonic == "eor" || Mnemonic == "smlal" ||
(Mnemonic == "mov" && !isThumb)) {
(Mnemonic == "mov" && !isThumbOne)) {
CanAcceptCarrySet = true;
} else {
CanAcceptCarrySet = false;
@ -1856,7 +1857,7 @@ GetMnemonicAcceptInfo(StringRef Mnemonic, bool &CanAcceptCarrySet,
if (isThumb)
if (Mnemonic == "bkpt" || Mnemonic == "mcr" || Mnemonic == "mcrr" ||
Mnemonic == "mrc" || Mnemonic == "mrrc" || Mnemonic == "cdp" ||
Mnemonic == "mov")
(Mnemonic == "mov" && isThumbOne))
CanAcceptPredicationCode = false;
}