VFP_FPEXC_EX
if ((fpexc & VFP_FPEXC_EX) == 0) {
if (fpexc & VFP_FPEXC_EX) {
armreg_fpexc_write(fpexc & ~(VFP_FPEXC_EX|VFP_FPEXC_FSUM));
if (fregs->vfp_fpexc & VFP_FPEXC_EX) {
armreg_fpexc_write((fpexc | VFP_FPEXC_EN) & ~VFP_FPEXC_EX);
if (fpexc & VFP_FPEXC_EX) {
fpexc &= ~VFP_FPEXC_EX;