static void restore_native_fp_fxrstor(CPUState *env) { struct fpxstate *fp = &fpx1; int i, j, fptag; fp->fpuc = env->fpuc; fp->fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; fptag = 0; for(i = 0; i < 8; i++) fptag |= (env->fptags[i] << i); fp->fptag = fptag ^ 0xff; j = env->fpstt; for(i = 0;i < 8; i++) { memcpy(&fp->fpregs1[i * 16], &env->fpregs[j].d, 10); j = (j + 1) & 7; } if (env->cpuid_features & CPUID_SSE) { fp->mxcsr = env->mxcsr; /* XXX: check if DAZ is not available */ fp->mxcsr_mask = 0xffff; memcpy(fp->xmm_regs, env->xmm_regs, CPU_NB_REGS * 16); } asm volatile ("fxrstor %0" : "=m" (*fp)); }