OpenRISC 1000

The Terinary Operator does not generate conditional logic as expected. "If" works as expected.

Using GCC 4.5.1-or32-1.0rc4

Testcase: http://www.wuala.com/Deathbob/Files/OR32/Toolchain_T_OP_Error.zip/

Regards, Thomas

volatile uint32_t const SDRAM_GOOD = (uint32_t const)0x01000000; volatile uint32_t const SDRAM_BAD = (uint32_t const)0x02000000;

int main (int argc, char *argv []) { unsigned long i; unsigned long j; unsigned long bob = 0xdeadbeef;

/ This should work / for(i = 0; i < 480; ++i) { for(j = 0; j < 800; ++j) { if(i == 0) { SDRAM_GOODi*800+j = 0x00FFFFFF; } else { SDRAM_GOODi*800+j = (uint8_t)(j+bob+i); } } }

/ This does not work / for(i = 0; i < 480; ++i) { for(j = 0; j < 800; ++j) { SDRAM_BADi*800+j = (i == 0)?0x00FFFFFF:((uint8_t)(j+bob+i)); } }

/ Compare the two / for(i = 0; i < 480; ++i) { for(j = 0; j < 800; ++j) { if (SDRAM_GOODi*800+j != SDRAM_BADi*800+j) { printf ("SDRAM_GOOD%6d = 0x%08x, SDRAM_BAD%6d = 0x%08x\n", i800+j, SDRAM_GOOD[i800+j], i800+j, SDRAM_BAD[i800+j]); } } } }