From 4dee636d21d9ce54386cdfbb824e5eb2a9c1af0d Mon Sep 17 00:00:00 2001 From: Nicolas Geoffray Date: Fri, 23 Jan 2015 18:23:14 +0000 Subject: Support callee-save registers on ARM. Change-Id: I7c519b7a828c9891b1141a8e51e12d6a8bc84118 --- compiler/optimizing/code_generator.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'compiler/optimizing/code_generator.h') diff --git a/compiler/optimizing/code_generator.h b/compiler/optimizing/code_generator.h index 85d18c0b43..45f02e53dc 100644 --- a/compiler/optimizing/code_generator.h +++ b/compiler/optimizing/code_generator.h @@ -129,6 +129,20 @@ class CodeGenerator { size_t GetNumberOfFloatingPointRegisters() const { return number_of_fpu_registers_; } virtual void SetupBlockedRegisters(bool is_baseline) const = 0; + virtual void ComputeSpillMask() { + core_spill_mask_ = allocated_registers_.GetCoreRegisters() & core_callee_save_mask_; + DCHECK_NE(core_spill_mask_, 0u) << "At least the return address register must be saved"; + fpu_spill_mask_ = allocated_registers_.GetFloatingPointRegisters() & fpu_callee_save_mask_; + } + + static uint32_t ComputeRegisterMask(const int* registers, size_t length) { + uint32_t mask = 0; + for (size_t i = 0, e = length; i < e; ++i) { + mask |= (1 << registers[i]); + } + return mask; + } + virtual void DumpCoreRegister(std::ostream& stream, int reg) const = 0; virtual void DumpFloatingPointRegister(std::ostream& stream, int reg) const = 0; virtual InstructionSet GetInstructionSet() const = 0; -- cgit v1.2.3-59-g8ed1b