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| author | Jim Grosbach <grosbach@apple.com> | 2010-10-29 21:56:51 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-10-29 21:56:51 +0000 |
| commit | 3df518e67edaf358154af394cc99d21435b7b118 (patch) | |
| tree | 7f1710010760e04bc3fc253d3da092ec67e0e5f0 /lib/Target | |
| parent | 8e0a3eb95784c76f3a73abf815a0143613068f72 (diff) | |
| download | external_llvm-3df518e67edaf358154af394cc99d21435b7b118.zip external_llvm-3df518e67edaf358154af394cc99d21435b7b118.tar.gz external_llvm-3df518e67edaf358154af394cc99d21435b7b118.tar.bz2 | |
add FIXME
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117718 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 9bcced3..ecca95c 100644 --- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -718,6 +718,11 @@ bool ARMAsmParser::ParseInstruction(StringRef Name, SMLoc NameLoc, // FIXME: We need a way to check whether a prefix supports predication, // otherwise we will end up with an ambiguity for instructions that happen to // end with a predicate name. + // FIXME: Likewise, some arithmetic instructions have an 's' prefix which + // indicates to update the condition codes. Those instructions have an + // additional immediate operand which encodes the prefix as reg0 or CPSR. + // Just checking for a suffix of 's' definitely creates ambiguities; e.g, + // the SMMLS instruction. unsigned CC = StringSwitch<unsigned>(Head.substr(Head.size()-2)) .Case("eq", ARMCC::EQ) .Case("ne", ARMCC::NE) |