diff options
| author | Andrew Lenharth <andrewl@lenharth.org> | 2006-08-17 16:07:50 +0000 |
|---|---|---|
| committer | Andrew Lenharth <andrewl@lenharth.org> | 2006-08-17 16:07:50 +0000 |
| commit | d337295fb0f724d9da1e029260f68ef09b25e1fe (patch) | |
| tree | 04a61414fe982c4dfbac63d91fe8b1e09bb98532 | |
| parent | c63e56ee5f00da39563c174262872ec5e96a4bb5 (diff) | |
Add the 'c' constraint as needed by the linux kernel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29747 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index e1e3ef38f9..7a47959934 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -4186,6 +4186,7 @@ X86TargetLowering::getConstraintType(char ConstraintLetter) const { case 'Y': case 'S': case 'D': + case 'c': return C_RegisterClass; default: return TargetLowering::getConstraintType(ConstraintLetter); } @@ -4201,11 +4202,15 @@ getRegClassForInlineAsmConstraint(const std::string &Constraint, default: break; // Unknown constraint letter case 'S': // ESI if (VT == MVT::i32) - return make_vector<unsigned>(X86::ESI,0); + return make_vector<unsigned>(X86::ESI,0); break; case 'D': // EDI if (VT == MVT::i32) - return make_vector<unsigned>(X86::EDI,0); + return make_vector<unsigned>(X86::EDI,0); + break; + case 'c': // ECX + if (VT == MVT::i32) + return make_vector<unsigned>(X86::ECX, 0); break; case 'A': // EAX/EDX if (VT == MVT::i32 || VT == MVT::i64) |