Commit 76fd58d0 authored by Carey Williams's avatar Carey Williams
Browse files

Revert "[ARM] Allocatable Global Register Variables for ARM" 

This reverts commit 2d739f98.
parent c313a6bd

clang/docs/ClangCommandLineReference.rst

+0 −21
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@@ -2430,31 +2430,10 @@ Enable XNACK (AMDGPU only) 


ARM

---



.. option:: -ffixed-r6



Reserve the r6 register (ARM only)



.. option:: -ffixed-r7



Reserve the r7 register (ARM only)



.. option:: -ffixed-r8



Reserve the r8 register (ARM only)



.. option:: -ffixed-r9



Reserve the r9 register (ARM only)



.. option:: -ffixed-r10



Reserve the r10 register (ARM only)



.. option:: -ffixed-r11



Reserve the r11 register (ARM only)



.. option:: -mexecute-only, -mno-execute-only, -mpure-code



Disallow generation of data access to code sections (ARM only)

clang/include/clang/Basic/DiagnosticDriverKinds.td

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@@ -464,10 +464,6 @@ def warn_drv_msp430_hwmult_no_device : Warning<"no MCU device specified, but " 
  "specify a MSP430 device, or -mhwmult to set hardware multiply type "

  "explicitly.">, InGroup<InvalidCommandLineArgument>;



// Frame pointer reservation.

def err_reserved_frame_pointer : Error<

  "'%0' has been specified but '%1' is used as the frame pointer for this target">;



def warn_drv_libstdcxx_not_found : Warning<

  "include path for libstdc++ headers not found; pass '-stdlib=libc++' on the "

  "command line to use the libc++ standard library instead">,

clang/include/clang/Basic/DiagnosticGroups.td

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@@ -1120,6 +1120,3 @@ def CrossTU : DiagGroup<"ctu">; 
def CTADMaybeUnsupported : DiagGroup<"ctad-maybe-unsupported">;



def FortifySource : DiagGroup<"fortify-source">;
 


// Register reservation.

def FixedRegs : DiagGroup<"fixed-registers">;

clang/include/clang/Basic/DiagnosticSemaKinds.td

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@@ -7743,8 +7743,6 @@ let CategoryName = "Inline Assembly Issue" in { 
  def err_asm_unknown_register_name : Error<"unknown register name '%0' in asm">;

  def err_asm_invalid_global_var_reg : Error<"register '%0' unsuitable for "

    "global register variables on this target">;

  def err_asm_missing_fixed_reg_opt : Error<"-ffixed-%0 is required for "

    "global named register variable declaration">;

  def err_asm_register_size_mismatch : Error<"size of register '%0' does not "

    "match variable size">;

  def err_asm_bad_register_type : Error<"bad type for named register variable">;

clang/include/clang/Basic/TargetInfo.h

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@@ -938,12 +938,6 @@ public: 
    return true;

  }



  /// Check if the register is reserved globally

  ///

  /// This function returns true if the register passed in RegName is reserved

  /// using the corresponding -ffixed-RegName option.

  virtual bool isRegisterReservedGlobally(StringRef) const { return true; }



  // validateOutputConstraint, validateInputConstraint - Checks that

  // a constraint is valid and provides information about it.

  // FIXME: These should return a real error instead of just true/false.