6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-31 08:16:47 +00:00
Code Issues Projects Releases Wiki Activity

Explicitly disallow predication in Thumb1 assembly.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138562 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2011-08-25 17:23:55 +00:00
parent ebc1db0fac
commit 0c49ac05cd
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
View File

@@ -2952,6 +2952,12 @@ bool ARMAsmParser::ParseInstruction(StringRef Name, SMLoc NameLoc,
Mnemonic = splitMnemonic(Mnemonic, PredicationCode, CarrySetting, Mnemonic = splitMnemonic(Mnemonic, PredicationCode, CarrySetting,
ProcessorIMod); ProcessorIMod);
// In Thumb1, only the branch (B) instruction can be predicated.
if (isThumbOne() && PredicationCode != ARMCC::AL && Mnemonic != "b") {
Parser.EatToEndOfStatement();
return Error(NameLoc, "conditional execution not supported in Thumb1");
}
Operands.push_back(ARMOperand::CreateToken(Mnemonic, NameLoc)); Operands.push_back(ARMOperand::CreateToken(Mnemonic, NameLoc));
// FIXME: This is all a pretty gross hack. We should automatically handle // FIXME: This is all a pretty gross hack. We should automatically handle