| 1 |
+ |
/* |
| 2 |
+ |
* compiler/codegen_x86.cpp - IA-32 code generator |
| 3 |
+ |
* |
| 4 |
+ |
* Original 68040 JIT compiler for UAE, copyright 2000-2002 Bernd Meyer |
| 5 |
+ |
* |
| 6 |
+ |
* Adaptation for Basilisk II and improvements, copyright 2000-2002 |
| 7 |
+ |
* Gwenole Beauchesne |
| 8 |
+ |
* |
| 9 |
+ |
* Basilisk II (C) 1997-2002 Christian Bauer |
| 10 |
+ |
* |
| 11 |
+ |
* This program is free software; you can redistribute it and/or modify |
| 12 |
+ |
* it under the terms of the GNU General Public License as published by |
| 13 |
+ |
* the Free Software Foundation; either version 2 of the License, or |
| 14 |
+ |
* (at your option) any later version. |
| 15 |
+ |
* |
| 16 |
+ |
* This program is distributed in the hope that it will be useful, |
| 17 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 |
+ |
* GNU General Public License for more details. |
| 20 |
+ |
* |
| 21 |
+ |
* You should have received a copy of the GNU General Public License |
| 22 |
+ |
* along with this program; if not, write to the Free Software |
| 23 |
+ |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 24 |
+ |
*/ |
| 25 |
+ |
|
| 26 |
|
/* This should eventually end up in machdep/, but for now, x86 is the |
| 27 |
|
only target, and it's easier this way... */ |
| 28 |
|
|
| 29 |
+ |
#include "flags_x86.h" |
| 30 |
+ |
|
| 31 |
|
/************************************************************************* |
| 32 |
|
* Some basic information about the the target CPU * |
| 33 |
|
*************************************************************************/ |
| 1746 |
|
} |
| 1747 |
|
LENDFUNC(WRITE,NONE,2,raw_cmp_w,(R2 d, R2 s)) |
| 1748 |
|
|
| 1749 |
+ |
LOWFUNC(WRITE,READ,2,raw_cmp_b_mi,(MEMR d, IMM s)) |
| 1750 |
+ |
{ |
| 1751 |
+ |
emit_byte(0x80); |
| 1752 |
+ |
emit_byte(0x3d); |
| 1753 |
+ |
emit_long(d); |
| 1754 |
+ |
emit_byte(s); |
| 1755 |
+ |
} |
| 1756 |
+ |
LENDFUNC(WRITE,READ,2,raw_cmp_l_mi,(MEMR d, IMM s)) |
| 1757 |
+ |
|
| 1758 |
|
LOWFUNC(WRITE,NONE,2,raw_cmp_b_ri,(R1 d, IMM i)) |
| 1759 |
|
{ |
| 1760 |
|
if (optimize_accum && isaccum(d)) |
| 1929 |
|
emit_byte(0xd0+r); |
| 1930 |
|
} |
| 1931 |
|
|
| 1932 |
+ |
static __inline__ void raw_call_m_indexed(uae_u32 base, uae_u32 r, uae_u32 m) |
| 1933 |
+ |
{ |
| 1934 |
+ |
int mu; |
| 1935 |
+ |
switch(m) { |
| 1936 |
+ |
case 1: mu=0; break; |
| 1937 |
+ |
case 2: mu=1; break; |
| 1938 |
+ |
case 4: mu=2; break; |
| 1939 |
+ |
case 8: mu=3; break; |
| 1940 |
+ |
default: abort(); |
| 1941 |
+ |
} |
| 1942 |
+ |
emit_byte(0xff); |
| 1943 |
+ |
emit_byte(0x14); |
| 1944 |
+ |
emit_byte(0x05+8*r+0x40*mu); |
| 1945 |
+ |
emit_long(base); |
| 1946 |
+ |
} |
| 1947 |
+ |
|
| 1948 |
|
static __inline__ void raw_jmp_r(R4 r) |
| 1949 |
|
{ |
| 1950 |
|
emit_byte(0xff); |
| 2455 |
|
{ 16, 7, 16, 7, 16 }, |
| 2456 |
|
{ 16, 15, 16, 7, 16 }, |
| 2457 |
|
{ 32, 7, 32, 7, 32 }, |
| 2458 |
< |
{ 16, 7, 64, 7, 16 }, |
| 2458 |
> |
{ 16, 7, 16, 7, 16 }, |
| 2459 |
|
{ 0, 0, 0, 0, 0 } |
| 2460 |
|
}; |
| 2461 |
|
|
