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cc65/test/val/mult1.c
2023-11-06 11:04:00 +01:00

124 lines
3.4 KiB
C

/*
!!DESCRIPTION!!
!!ORIGIN!! SDCC regression tests
!!LICENCE!! GPL, read COPYING.GPL
*/
#include <stdio.h>
#include <limits.h>
#define TESTLIT 0x05
unsigned char success=0;
unsigned char failures=0;
unsigned char dummy=0;
signed char c1,c2,c3;
unsigned char uc1,uc2,uc3;
unsigned int ui1,ui2,ui3;
signed int i1,i2;
void done()
{
dummy++;
}
void m1(void)
{
c1 = c1*5; /* char = char * lit */
c2 = c1*c3; /* char = char * char */
uc1 = uc1*3; /* uchar = uchar * lit */
uc2 = uc1*uc3; /* uchar = uchar * uchar */
if(c2 != 25)
failures++;
if(uc2 != 36)
failures++;
}
void m2(unsigned char uc)
{
uc2 = uc1 * uc;
if(uc2 != 0x20)
failures++;
}
void m3(unsigned char uc)
{
volatile unsigned char vuc;
/* uchar = uchar * lit */
/* testing literal multiply with same source and destination */
vuc = uc;
uc2 = 0;
uc1 = vuc; uc1 = uc1*0; if( uc1 != 0 ) failures++;
uc1 = vuc; uc1 = uc1*1; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*2; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*3; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*4; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*5; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*6; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*7; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*8; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*9; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*10; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*11; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*12; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*13; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*14; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*15; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*16; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*17; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*18; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*19; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*20; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*21; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*22; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*23; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*24; if( uc1 != (uc2+=TESTLIT) ) failures++;
uc1 = vuc; uc1 = uc1*31; if( uc1 != ((31*TESTLIT) & 0xff) ) failures++;
uc1 = vuc; uc1 = uc1*32; if( uc1 != ((32*TESTLIT) & 0xff) ) failures++;
uc1 = vuc; uc1 = uc1*64; if( uc1 != ((64*TESTLIT) & 0xff) ) failures++;
uc1 = vuc; uc1 = uc1*128;if( uc1 != ((128*TESTLIT)& 0xff) ) failures++;
/* testing literal multiply with different source and destination */
uc1 = vuc*1; if( uc1 != ((1*TESTLIT) & 0xff) ) failures++;
uc1 = vuc*2; if( uc1 != ((2*TESTLIT) & 0xff) ) failures++;
uc1 = vuc*4; if( uc1 != ((4*TESTLIT) & 0xff) ) failures++;
}
int main(void)
{
dummy = 0;
c1 = 1;
c3 = 5;
uc1 = 2;
uc3 = 6;
m1();
uc1 = 0x10;
m2(2);
ui1 = uc1*uc2; /* uint = uchar * uchar */
i1 = c1*c2; /* int = char * char */
ui3 = ui1*ui2; /* uint = uint * unit */
m3(TESTLIT);
success = failures;
done();
printf("failures: %d\n",failures);
return failures;
}