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Make fpfault() faster if 68020/30 only, and the code smaller if 68040/60-only.

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This commit is contained in:
is 1997-06-05 20:57:13 +00:00
parent e1af84cc37
commit 7b1633fee3
1 changed files with 3 additions and 1 deletions
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4
sys/arch/amiga/amiga/locore.s
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@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.83 1997/06/05 20:13:37 is Exp $ */
/* $NetBSD: locore.s,v 1.84 1997/06/05 20:57:13 is Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -333,6 +333,7 @@ _fpfault:
movl _curpcb,a0 | current pcb
lea a0@(PCB_FPCTX),a0 | address of FP savearea
fsave a0@ | save state
#if defined(M68020) || defined(M68030)
#if defined(M68060) || defined(M68040)
movb _machineid+3,d0
andb #0x90,d0 | AMIGA_68060 | AMIGA_68040
@ -344,6 +345,7 @@ _fpfault:
movb a0@(1),d0 | get frame size
bset #3,a0@(0,d0:w) | set exc_pend bit of BIU
Lfptnull:
#endif
fmovem fpsr,sp@- | push fpsr as code argument
frestore a0@ | restore state
movl #T_FPERR,sp@- | push type arg