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Fix FMOVEM emulation; postincrement modes use different ordering than 

predecrement modes, per 68K Programmer's Manual p. 5-88.  Pointed out
by Takeshi Nakayama <takeshi@sakabe.nuie.nagoya-u.ac.jp>, verified by me.
This commit is contained in:
scottr 1996-10-04 18:07:24 +00:00
parent 6f72cdccd4
commit d12b257695
1 changed files with 6 additions and 3 deletions
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9
sys/arch/m68k/fpe/fpu_emulate.c
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@ -1,4 +1,4 @@
/* $NetBSD: fpu_emulate.c,v 1.6 1996/05/15 07:31:55 leo Exp $ */
/* $NetBSD: fpu_emulate.c,v 1.7 1996/10/04 18:07:24 scottr Exp $ */
/*
* Copyright (c) 1995 Gordon W. Ross
@ -445,7 +445,7 @@ fpu_emul_fmovm(fe, insn)
int word1, sig;
int reglist, regmask, regnum;
int fpu_to_mem, order;
int w1_post_incr; /* XXX - FP regs order? */
int w1_post_incr;
int *fpregs;
insn->is_advance = 4;
@ -487,7 +487,10 @@ fpu_emul_fmovm(fe, insn)
}
while ((0 <= regnum) && (regnum < 8)) {
regmask = 1 << regnum;
if (w1_post_incr)
regmask = 0x80 >> regnum;
else
regmask = 1 << regnum;
if (regmask & reglist) {
if (fpu_to_mem) {
sig = fpu_store_ea(frame, insn, &insn->is_ea0,