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< __FBSDID("$FreeBSD: head/sys/i386/isa/npx.c 158996 2006-05-28 04:40:45Z davidxu $");
---
> __FBSDID("$FreeBSD: head/sys/i386/isa/npx.c 159027 2006-05-29 02:58:37Z davidxu $");
945,979d944
< /*
< * POSIX requires new thread to inherit floating-point environment.
< */
< void
< npx_fork_thread(struct thread *td, struct thread *newtd)
< {
< union savefpu *state;
< u_int32_t mxcsr;
< u_int32_t cw;
<
< if (!(td->td_pcb->pcb_flags & PCB_NPXINITDONE)) {
< newtd->td_pcb->pcb_flags &= ~PCB_NPXINITDONE;
< return;
< }
<
< state = &newtd->td_pcb->pcb_save;
< /* get control word */
< if (npxgetregs(td, state))
< return;
< if (cpu_fxsr) {
< mxcsr = state->sv_xmm.sv_env.en_mxcsr;
< cw = state->sv_xmm.sv_env.en_cw;
< } else {
< cw = state->sv_87.sv_env.en_cw;
< mxcsr = 0;
< }
< bcopy(&npx_cleanstate, state, sizeof(*state));
< if (cpu_fxsr) {
< state->sv_xmm.sv_env.en_cw = cw;
< state->sv_xmm.sv_env.en_mxcsr = mxcsr;
< } else
< state->sv_87.sv_env.en_cw = cw;
< newtd->td_pcb->pcb_flags |= PCB_NPXINITDONE;
< }
<