diff options
Diffstat (limited to 'clang/lib/Basic/Targets.cpp')
| -rw-r--r-- | clang/lib/Basic/Targets.cpp | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index 511817f324c..8ff30d9a048 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -1901,8 +1901,12 @@ public: bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &info) const override; + bool validateOutputSize(StringRef Constraint, unsigned Size) const override; + bool validateInputSize(StringRef Constraint, unsigned Size) const override; + virtual bool validateOperandSize(StringRef Constraint, unsigned Size) const; + std::string convertConstraint(const char *&Constraint) const override; const char *getClobbers() const override { return "~{dirflag},~{fpsr},~{flags}"; @@ -3053,8 +3057,24 @@ X86TargetInfo::validateAsmConstraint(const char *&Name, } } +bool X86TargetInfo::validateOutputSize(StringRef Constraint, + unsigned Size) const { + // Strip off constraint modifiers. + while (Constraint[0] == '=' || + Constraint[0] == '+' || + Constraint[0] == '&') + Constraint = Constraint.substr(1); + + return validateOperandSize(Constraint, Size); +} + bool X86TargetInfo::validateInputSize(StringRef Constraint, unsigned Size) const { + return validateOperandSize(Constraint, Size); +} + +bool X86TargetInfo::validateOperandSize(StringRef Constraint, + unsigned Size) const { switch (Constraint[0]) { default: break; case 'y': @@ -3124,8 +3144,8 @@ public: if (RegNo == 1) return 2; return -1; } - bool validateInputSize(StringRef Constraint, - unsigned Size) const override { + bool validateOperandSize(StringRef Constraint, + unsigned Size) const override { switch (Constraint[0]) { default: break; case 'R': @@ -3142,7 +3162,7 @@ public: return Size <= 64; } - return X86TargetInfo::validateInputSize(Constraint, Size); + return X86TargetInfo::validateOperandSize(Constraint, Size); } }; } // end anonymous namespace |
