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Fix FPU tos value (found with save/restore logs browsing

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This commit is contained in:
Stanislav Shwartsman 2006-06-08 19:56:30 +00:00
parent 1be86095ab
commit 84124f29d2
1 changed files with 4 additions and 4 deletions
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8
bochs/cpu/i387.h
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@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// $Id: i387.h,v 1.31 2005-06-09 17:42:34 vruppert Exp $ // $Id: i387.h,v 1.32 2006-06-08 19:56:30 sshwarts Exp $
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2004 Stanislav Shwartsman // Copyright (c) 2004 Stanislav Shwartsman
@ -117,13 +117,13 @@ BX_CPP_INLINE void i387_t::FPU_settagi(int tag, int stnr)
BX_CPP_INLINE void i387_t::FPU_push(void) BX_CPP_INLINE void i387_t::FPU_push(void)
{ {
tos--; tos = (tos - 1) & 7;
} }
BX_CPP_INLINE void i387_t::FPU_pop(void) BX_CPP_INLINE void i387_t::FPU_pop(void)
{ {
twd |= 3 << ((tos & 7)*2); twd |= 3 << (tos*2);
tos++; tos = (tos + 1) & 7;
} }
BX_CPP_INLINE void i387_t::FPU_save_regi(floatx80 reg, int tag, int stnr) BX_CPP_INLINE void i387_t::FPU_save_regi(floatx80 reg, int tag, int stnr)