sdcc/support/regression/tests/bug1505956.c

   1 /*
   2    bug3037889.c
   3    All mnemonics need to be on separate lines now. So this is no longer allowed
   4    #define NOP2 __asm nop nop __endasm;
   5  */
   6
   7 #include <testfwk.h>
   8
   9 #if defined __SDCC_mcs51 || defined __SDCC_ds390
  10
  11 #define TEST_MACRO_20() { \
  12         /*this macro has 20 instructions in it*/ \
  13         __asm \
  14                 nop \
  15                 nop \
  16                 nop \
  17                 nop \
  18                 nop \
  19                 nop \
  20                 nop \
  21                 nop \
  22                 nop \
  23                 nop \
  24                 nop \
  25                 nop \
  26                 nop \
  27                 nop \
  28                 nop \
  29                 nop \
  30                 nop \
  31                 nop \
  32                 nop \
  33                 nop \
  34         __endasm; \
  35 }
  36
  37 volatile unsigned char testvar = 0;
  38
  39 void bug1406219 (void)
  40 {
  41         if ( testvar > 0 )
  42         {
  43                 /* this code generates an error :
  44 ?ASxxxx-Error-<a> in line 493 of err.asm
  45               <a> machine specific addressing or addressing mode error
  46 removing err.rel
  47
  48         (the generated jnc cannot branch the entire distance of the if statement.)
  49 */
  50
  51                 TEST_MACRO_20();
  52                 TEST_MACRO_20();
  53
  54                 TEST_MACRO_20();
  55                 TEST_MACRO_20();
  56
  57                 TEST_MACRO_20();
  58                 TEST_MACRO_20();
  59
  60                 TEST_MACRO_20();
  61         }
  62         testvar = 0;
  63 }
  64
  65 // macro with __asm/__endasm pair
  66 #define NOP1 do { __asm nop __endasm; } while (0)
  67
  68 // multi-line macro with __asm/__endasm pair and operands
  69 #define NOP2 do { __asm cpl a \
  70                                                 cpl a \
  71                                 __endasm; } while (0)
  72
  73 #define NOP4 do { __asm inc a \
  74                                                 inc a \
  75                                                 dec a \
  76                                                 dec a \
  77                                 __endasm; } while (0)
  78 #define NOP8 do { NOP4; NOP4; } while (0)
  79 #define NOP16 do { NOP8; NOP8; } while (0)
  80 #define NOP32 do { NOP16; NOP16; } while (0)
  81 #define NOP64 do { NOP32; NOP32; } while (0)
  82
  83
  84 volatile char t;
  85
  86 void bug1505956 (void)
  87 {
  88         volatile unsigned char i;
  89
  90         for( i=0; i<100; i++ )
  91         {
  92                 t++;
  93                 NOP64;
  94                 NOP32;
  95                 NOP16;
  96                 NOP8;
  97 //              NOP4;
  98                 NOP2;
  99 //              NOP1;
 100         }
 101
 102         t++;
 103 }
 104
 105 // macro without __asm/__endasm pair
 106 #define GETC        \
 107     clr a           \
 108     movc a,@a+dptr
 109
 110 void bug_DS400_ROM (void)
 111 {
 112     __asm
 113         GETC    ;comment
 114     __endasm;
 115 }
 116
 117 // macro with other macro
 118 #define ADDRESS _count
 119 #define RECURSIVE __asm inc ADDRESS \
 120                         inc ADDRESS \
 121                   __endasm
 122
 123 void bug3407198 (void)
 124 {
 125         RECURSIVE;
 126 }
 127
 128 #else
 129
 130 #define RECURSIVE
 131
 132 #endif
 133
 134 __data char count = 0;
 135
 136 // __asm ... __endasm must stay one C statement
 137 char bug3407279 (char x)
 138 {
 139         if (x)
 140                 RECURSIVE;
 141         return count;
 142 }
 143
 144 void testBug(void)
 145 {
 146         ASSERT(bug3407279(0) == 0);
 147 }
 148