| 4 |
|
* Based on work Copyright 1995, 1996 Bernd Schmidt |
| 5 |
|
* Changes for UAE-JIT Copyright 2000 Bernd Meyer |
| 6 |
|
* |
| 7 |
< |
* Adaptation for Basilisk II and improvements, copyright 2000-2002 |
| 7 |
> |
* Adaptation for Basilisk II and improvements, copyright 2000-2004 |
| 8 |
|
* Gwenole Beauchesne |
| 9 |
|
* |
| 10 |
< |
* Basilisk II (C) 1997-2002 Christian Bauer |
| 10 |
> |
* Basilisk II (C) 1997-2004 Christian Bauer |
| 11 |
|
* |
| 12 |
|
* This program is free software; you can redistribute it and/or modify |
| 13 |
|
* it under the terms of the GNU General Public License as published by |
| 41 |
|
#define uses_cmov global_cmov=1 |
| 42 |
|
#define mayfail global_mayfail=1 |
| 43 |
|
#define uses_fpu global_fpu=1 |
| 44 |
– |
#define uses_setzflg global_setzflg=1 |
| 44 |
|
|
| 45 |
|
int hack_opcode; |
| 46 |
|
|
| 52 |
|
static int long_opcode; |
| 53 |
|
static int global_mayfail; |
| 54 |
|
static int global_fpu; |
| 56 |
– |
static int global_setzflg; |
| 55 |
|
|
| 56 |
|
static char endstr[1000]; |
| 57 |
|
static char lines[100000]; |
| 1086 |
|
|
| 1087 |
|
case flag_addx: |
| 1088 |
|
case flag_subx: |
| 1091 |
– |
uses_setzflg; |
| 1089 |
|
uses_cmov; |
| 1090 |
|
comprintf("\tdont_care_flags();\n"); |
| 1091 |
|
{ |
| 1100 |
|
"\tint one=scratchie++;\n" |
| 1101 |
|
"\tif (needed_flags&FLAG_Z) {\n" |
| 1102 |
|
"\tmov_l_ri(zero,0);\n" |
| 1103 |
< |
"\tmov_l_ri(one,1);\n" |
| 1103 |
> |
"\tmov_l_ri(one,-1);\n" |
| 1104 |
|
"\tmake_flags_live();\n" |
| 1105 |
|
"\tcmov_l_rr(zero,one,5);\n" |
| 1106 |
|
"\t}\n"); |
| 1120 |
|
"\t%s_l(%s,%s);\n",op,dst,src); |
| 1121 |
|
break; |
| 1122 |
|
} |
| 1123 |
+ |
comprintf("\tlive_flags();\n"); |
| 1124 |
|
comprintf("\tif (needed_flags&FLAG_Z) {\n" |
| 1125 |
|
"\tcmov_l_rr(zero,one,5);\n" |
| 1126 |
< |
"\tsetzflg_l(zero);\n" |
| 1126 |
> |
"\tset_zero(zero, one);\n" /* No longer need one */ |
| 1127 |
> |
"\tlive_flags();\n" |
| 1128 |
|
"\t}\n"); |
| 1130 |
– |
comprintf("\tlive_flags();\n"); |
| 1129 |
|
comprintf("\tend_needflags();\n"); |
| 1130 |
|
duplicate_carry(); |
| 1131 |
|
comprintf("if (!(needed_flags & FLAG_CZNV)) dont_care_flags();\n"); |
| 1365 |
|
genamode (curi->dmode, "dstreg", curi->size, "dst", 1, 0); |
| 1366 |
|
start_brace(); |
| 1367 |
|
comprintf("\tint s=scratchie++;\n" |
| 1368 |
+ |
"\tint tmp=scratchie++;\n" |
| 1369 |
|
"\tmov_l_rr(s,src);\n"); |
| 1370 |
|
if (curi->size == sz_byte) |
| 1371 |
|
comprintf("\tand_l_ri(s,7);\n"); |
| 1381 |
|
case i_BCLR: op="btr"; break; |
| 1382 |
|
case i_BSET: op="bts"; break; |
| 1383 |
|
case i_BTST: op="bt"; need_write=0; break; |
| 1384 |
+ |
default: abort(); |
| 1385 |
|
} |
| 1386 |
|
comprintf("\t%s_l_rr(dst,s);\n" /* Answer now in C */ |
| 1387 |
|
"\tsbb_l(s,s);\n" /* s is 0 if bit was 0, -1 otherwise */ |
| 1388 |
|
"\tmake_flags_live();\n" /* Get the flags back */ |
| 1389 |
|
"\tdont_care_flags();\n",op); |
| 1390 |
|
if (!noflags) { |
| 1391 |
– |
uses_setzflg; |
| 1391 |
|
comprintf("\tstart_needflags();\n" |
| 1392 |
< |
"\tsetzflg_l(s);\n" |
| 1392 |
> |
"\tset_zero(s,tmp);\n" |
| 1393 |
|
"\tlive_flags();\n" |
| 1394 |
|
"\tend_needflags();\n"); |
| 1395 |
|
} |
| 2945 |
|
if (global_isaddx) flags|=8; |
| 2946 |
|
if (global_iscjump) flags|=16; |
| 2947 |
|
if (global_fpu) flags|=32; |
| 2949 |
– |
if (global_setzflg) flags|=64; |
| 2948 |
|
|
| 2949 |
|
comprintf ("}\n"); |
| 2950 |
|
|
