diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCSubtarget.h')
-rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.h | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h index 55fec1cb6d99..d96c2893aee9 100644 --- a/lib/Target/PowerPC/PPCSubtarget.h +++ b/lib/Target/PowerPC/PPCSubtarget.h @@ -78,7 +78,7 @@ protected: /// stackAlignment - The minimum alignment known to hold of the stack frame on /// entry to the function and which must be maintained by every function. - unsigned StackAlignment; + Align StackAlignment; /// Selected instruction itineraries (one entry per itinerary class.) InstrItineraryData InstrItins; @@ -166,7 +166,7 @@ public: /// getStackAlignment - Returns the minimum alignment known to hold of the /// stack frame on entry to the function and which must be maintained by every /// function for this subtarget. - unsigned getStackAlignment() const { return StackAlignment; } + Align getStackAlignment() const { return StackAlignment; } /// getDarwinDirective - Returns the -m directive specified for the cpu. /// @@ -210,7 +210,11 @@ public: /// instructions, regardless of whether we are in 32-bit or 64-bit mode. bool has64BitSupport() const { return Has64BitSupport; } // useSoftFloat - Return true if soft-float option is turned on. - bool useSoftFloat() const { return !HasHardFloat; } + bool useSoftFloat() const { + if (isAIXABI() && !HasHardFloat) + report_fatal_error("soft-float is not yet supported on AIX."); + return !HasHardFloat; + } /// use64BitRegs - Return true if in 64-bit mode or if we should use 64-bit /// registers in 32-bit mode when possible. This can only true if @@ -277,11 +281,11 @@ public: bool hasDirectMove() const { return HasDirectMove; } bool isQPXStackUnaligned() const { return IsQPXStackUnaligned; } - unsigned getPlatformStackAlignment() const { + Align getPlatformStackAlignment() const { if ((hasQPX() || isBGQ()) && !isQPXStackUnaligned()) - return 32; + return Align(32); - return 16; + return Align(16); } // DarwinABI has a 224-byte red zone. PPC32 SVR4ABI(Non-DarwinABI) has no @@ -316,6 +320,9 @@ public: bool isSVR4ABI() const { return !isDarwinABI() && !isAIXABI(); } bool isELFv2ABI() const; + bool is64BitELFABI() const { return isSVR4ABI() && isPPC64(); } + bool is32BitELFABI() const { return isSVR4ABI() && !isPPC64(); } + /// Originally, this function return hasISEL(). Now we always enable it, /// but may expand the ISEL instruction later. bool enableEarlyIfConversion() const override { return true; } @@ -337,9 +344,8 @@ public: bool enableSubRegLiveness() const override; - /// classifyGlobalReference - Classify a global variable reference for the - /// current subtarget accourding to how we should reference it. - unsigned char classifyGlobalReference(const GlobalValue *GV) const; + /// True if the GV will be accessed via an indirect symbol. + bool isGVIndirectSymbol(const GlobalValue *GV) const; bool isXRaySupported() const override { return IsPPC64 && IsLittleEndian; } }; |