compare_st_st 408 arch/x86/math-emu/reg_compare.c compare_st_st(FPU_rm); compare_st_st 414 arch/x86/math-emu/reg_compare.c if (!compare_st_st(FPU_rm)) compare_st_st 425 arch/x86/math-emu/reg_compare.c if (!compare_st_st(1))