diff options
Diffstat (limited to 'src/cpu/x86/vm/c1_FrameMap_x86.hpp')
| -rw-r--r-- | src/cpu/x86/vm/c1_FrameMap_x86.hpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/cpu/x86/vm/c1_FrameMap_x86.hpp b/src/cpu/x86/vm/c1_FrameMap_x86.hpp index 17f2386c0..642701c28 100644 --- a/src/cpu/x86/vm/c1_FrameMap_x86.hpp +++ b/src/cpu/x86/vm/c1_FrameMap_x86.hpp @@ -130,4 +130,15 @@ return _caller_save_xmm_regs[i]; } + static int adjust_reg_range(int range) { + // Reduce the number of available regs (to free r12) in case of compressed oops + if (UseCompressedOops) return range - 1; + return range; + } + + static int nof_caller_save_cpu_regs() { return adjust_reg_range(pd_nof_caller_save_cpu_regs_frame_map); } + static int last_cpu_reg() { return adjust_reg_range(pd_last_cpu_reg); } + static int last_byte_reg() { return adjust_reg_range(pd_last_byte_reg); } + #endif // CPU_X86_VM_C1_FRAMEMAP_X86_HPP + |