RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 19:42:54 +02:00
Code Issues Projects Releases Wiki Activity

Add a comment to explain what's really going on.

Browse Source 
llvm-svn: 163005
This commit is contained in:
Chad Rosier 2012-08-31 17:24:10 +00:00
parent 5e5a7c4932
commit 9367dbd900
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -5347,6 +5347,12 @@ validateInstruction(MCInst &Inst,
case ARM::tMUL: {
// The second source operand must be the same register as the destination
// operand.
//
// In this case, we must directly check the parsed operands because the
// cvtThumbMultiply() function is written in such a way that it guarantees
// this first statement is always true for the new Inst. Essentially, the
// destination is unconditionally copied into the second source operand
// without checking to see if it matches what we actually parsed.
if (Operands.size() == 6 &&
(((ARMOperand*)Operands[3])->getReg() !=
((ARMOperand*)Operands[5])->getReg()) &&