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MFi386: thread specific fpu state optimizations

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This commit is contained in:
peter 2003-10-30 19:04:58 +00:00
parent bc68df01ed
commit 2476026730
1 changed files with 3 additions and 1 deletions
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4
sys/amd64/amd64/vm_machdep.c
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@ -205,7 +205,8 @@ void
cpu_thread_exit(struct thread *td)
{
npxexit(td);
if (td == PCPU_GET(fpcurthread))
npxdrop();
}
void
@ -265,6 +266,7 @@ cpu_set_upcall(struct thread *td, struct thread *td0)
* more analysis) (need a good safe default).
*/
bcopy(td0->td_pcb, pcb2, sizeof(*pcb2));
pcb2->pcb_flags &= ~(PCB_NPXTRAP|PCB_NPXINITDONE);
/*
* Create a new fresh stack for the new thread.