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/* bug-3547.c
Codegen for sm83 could generate an "ex de, hl" (a Z80 instruction not supported on SM83) when passing a struct as function argument while register hl holds another variable.
This would then result in an error message from the assembler.
*/
#include <testfwk.h>
#pragma disable_warning 85
#if !defined(__SDCC_pdk14) && !(defined(__SDCC_mcs51) && defined(__SDCC_MODEL_SMALL)) // Lack of memory
#define LINE_SIZE 32
#define POINT_AMOUNT 14
#define SIDE_AMOUNT 22
typedef struct
{
int x;
int y;
int z;
} Point3D;
void render(Point3D p1, Point3D p2)
{
}
void f(void)
{
unsigned int angles[3] = {47, 10, 0};
const unsigned char sides[][2] = {
{7, 8},
{8, 9},
{8, 10},
{10, 11},
{11, 9},
{9, 6},
{6, 0},
{0, 1},
{1, 7},
{7, 4},
{6, 5},
{0, 3},
{1, 2},
{4, 5},
{5, 12},
{12, 4},
{13, 2},
{13, 3},
{13, 12},
{5, 3},
{3, 2},
{2, 4}};
Point3D points[POINT_AMOUNT] = {
{LINE_SIZE, LINE_SIZE, 0}, //0
{0, LINE_SIZE, 0}, //1
{0, LINE_SIZE, LINE_SIZE}, //2
{LINE_SIZE, LINE_SIZE, LINE_SIZE}, //3
{0, 0, LINE_SIZE}, //4
{LINE_SIZE, 0, LINE_SIZE}, //5
{LINE_SIZE, 0, 0}, //6
{0, 0, 0}, //7
{LINE_SIZE / 4, 0, 0}, //8
{(LINE_SIZE / 4) + (LINE_SIZE /4), 0, 0}, //9
{LINE_SIZE / 4, 0, LINE_SIZE/2},//10
{(LINE_SIZE / 4) + (LINE_SIZE /4), 0, LINE_SIZE/2},//11
{(LINE_SIZE / 2), 0, LINE_SIZE + (LINE_SIZE/2)}, //12
{(LINE_SIZE / 2), LINE_SIZE, LINE_SIZE + (LINE_SIZE/2)}}; //13
while (1)
{
for (unsigned char i = 0; i < SIDE_AMOUNT; i++)
{
render(points[sides[i][0]], points[sides[i][1]]); // Invalid assembler instruction generated here.
}
}
}
#endif
void
testBug (void)
{
}
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