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* unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP constants. * unwind-dw2.c (struct _Unwind_Context): Add by_value array. (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr): Handle regs stored by value. (_Unwind_SetGRValue, _Unwind_GRByValue): New functions. (execute_cfa_program): Handle DW_CFA_val_offset, DW_CFA_val_offset_sf and DW_CFA_val_expression. (uw_update_context_1): Handle REG_SAVED_REG with regs stored by value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP. (uw_install_context_1): Handle target regs stored by value. * gcc.target/i386/cleanup-1.c: New test. * gcc.target/i386/cleanup-2.c: New test. From-SVN: r111705
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