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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 | 31f23b48ba4003f78ddad42a8ccc544b64d5f08d (patch) | |
| tree | 7c1e4d06ee61187ed760e3997c1b372f77c51ab2 /llvm/lib | |
| parent | 7149fab4d37b94cd6a7627fb15ab698e4519b9ef (diff) | |
| download | bcm5719-llvm-31f23b48ba4003f78ddad42a8ccc544b64d5f08d.tar.gz bcm5719-llvm-31f23b48ba4003f78ddad42a8ccc544b64d5f08d.zip | |
add FIXME
llvm-svn: 117718
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 9bcced35f96..ecca95ccadd 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/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) |
