diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2015-06-09 19:08:19 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-06-09 19:08:19 +0000 |
| commit | 798321d8eb5630cd4a8f490a4f25e32ef195fb07 (patch) | |
| tree | a59f5569ef36d00388c0428426abef26aa9105b6 /lib/Sema/SemaStmtAsm.cpp | |
| parent | 5e20cdd81c44a443562a09007668ffdf76c455af (diff) | |
Diffstat (limited to 'lib/Sema/SemaStmtAsm.cpp')
| -rw-r--r-- | lib/Sema/SemaStmtAsm.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Sema/SemaStmtAsm.cpp b/lib/Sema/SemaStmtAsm.cpp index 9f48616ea5bf..d19d8819d8e2 100644 --- a/lib/Sema/SemaStmtAsm.cpp +++ b/lib/Sema/SemaStmtAsm.cpp @@ -154,6 +154,14 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, if (CheckNakedParmReference(OutputExpr, *this)) return StmtError(); + // Bitfield can't be referenced with a pointer. + if (Info.allowsMemory() && OutputExpr->refersToBitField()) + return StmtError(Diag(OutputExpr->getLocStart(), + diag::err_asm_bitfield_in_memory_constraint) + << 1 + << Info.getConstraintStr() + << OutputExpr->getSourceRange()); + OutputConstraintInfos.push_back(Info); // If this is dependent, just continue. @@ -230,6 +238,14 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, if (CheckNakedParmReference(InputExpr, *this)) return StmtError(); + // Bitfield can't be referenced with a pointer. + if (Info.allowsMemory() && InputExpr->refersToBitField()) + return StmtError(Diag(InputExpr->getLocStart(), + diag::err_asm_bitfield_in_memory_constraint) + << 0 + << Info.getConstraintStr() + << InputExpr->getSourceRange()); + // Only allow void types for memory constraints. if (Info.allowsMemory() && !Info.allowsRegister()) { if (CheckAsmLValue(InputExpr, *this)) |