RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-19 11:02:59 +02:00
Code Issues Projects Releases Wiki Activity

ARM asm parser, just issue a warning for a duplicate reg in a list.

Browse Source 
For better 'gas' compatibility.

llvm-svn: 146185
This commit is contained in:
Jim Grosbach 2011-12-08 21:34:20 +00:00
parent edfacfabb8
commit 01485b7e6e
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
View File

@ -2596,6 +2596,7 @@ parseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
Parser.Lex(); // Eat the comma.
RegLoc = Parser.getTok().getLoc();
int OldReg = Reg;
const AsmToken RegTok = Parser.getTok();
Reg = tryParseRegister();
if (Reg == -1)
return Error(RegLoc, "register expected");
@ -2609,8 +2610,13 @@ parseRegisterList(SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
if (!RC->contains(Reg))
return Error(RegLoc, "invalid register in register list");
// List must be monotonically increasing.
if (getARMRegisterNumbering(Reg) <= getARMRegisterNumbering(OldReg))
if (getARMRegisterNumbering(Reg) < getARMRegisterNumbering(OldReg))
return Error(RegLoc, "register list not in ascending order");
if (getARMRegisterNumbering(Reg) == getARMRegisterNumbering(OldReg)) {
Warning(RegLoc, "duplicated register (" + RegTok.getString() +
") in register list");
continue;
}
// VFP register lists must also be contiguous.
// It's OK to use the enumeration values directly here rather, as the
// VFP register classes have the enum sorted properly.