aboutsummaryrefslogtreecommitdiff
path: root/include/clang/Basic/TargetInfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/clang/Basic/TargetInfo.h')
-rw-r--r--include/clang/Basic/TargetInfo.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index 76006d4292e8..4559cf2f64be 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -240,6 +240,14 @@ public:
return getTypeWidth(IntMaxType);
}
+ /// getRegisterWidth - Return the "preferred" register width on this target.
+ uint64_t getRegisterWidth() const {
+ // Currently we assume the register width on the target matches the pointer
+ // width, we can introduce a new variable for this if/when some target wants
+ // it.
+ return LongWidth;
+ }
+
/// getUserLabelPrefix - This returns the default value of the
/// __USER_LABEL_PREFIX__ macro, which is the prefix given to user symbols by
/// default. On most platforms this is "_", but it is "" on some, and "." on
@@ -295,6 +303,11 @@ public:
/// __builtin_va_list, which is target-specific.
virtual const char *getVAListDeclaration() const = 0;
+ /// isValidClobber - Returns whether the passed in string is
+ /// a valid clobber in an inline asm statement. This is used by
+ /// Sema.
+ bool isValidClobber(llvm::StringRef Name) const;
+
/// isValidGCCRegisterName - Returns whether the passed in string
/// is a valid register name according to GCC. This is used by Sema for
/// inline asm statements.
@@ -396,6 +409,11 @@ public:
const char * const Register;
};
+ struct AddlRegName {
+ const char * const Names[5];
+ const unsigned RegNum;
+ };
+
virtual bool useGlobalsForAutomaticVariables() const { return false; }
/// getCFStringSection - Return the section to use for CFString
@@ -511,6 +529,7 @@ public:
// getRegParmMax - Returns maximal number of args passed in registers.
unsigned getRegParmMax() const {
+ assert(RegParmMax < 7 && "RegParmMax value is larger than AST can handle");
return RegParmMax;
}
@@ -566,6 +585,11 @@ protected:
unsigned &NumNames) const = 0;
virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
unsigned &NumAliases) const = 0;
+ virtual void getGCCAddlRegNames(const AddlRegName *&Addl,
+ unsigned &NumAddl) const {
+ Addl = 0;
+ NumAddl = 0;
+ }
virtual bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const= 0;
};