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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [c-c++-common/] [simulate-thread/] [bitfields-4.c] - Rev 690
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/* { dg-do link } */ /* { dg-options "--param allow-store-data-races=0" } */ /* { dg-final { simulate-thread } } */ #include <stdio.h> #include <stdlib.h> #include "../../gcc.dg/simulate-thread/simulate-thread.h" struct bits { char a; int b:7; int c:9; unsigned char d; } *p; static int global = 0; void simulate_thread_other_threads() { global++; p->d = global % 256; } int simulate_thread_step_verify() { if (p->d != global % 256) { printf("FAIL: invalid intermediate result\n"); return 1; } return 0; } int simulate_thread_final_verify() { if (p->c != 55) { printf("FAIL: invalid final result\n"); return 1; } return 0; } /* Store into <c> should not clobber <d>. */ /* We should not use a 32-bit move to store into p->, but a smaller move. */ __attribute__((noinline)) void simulate_thread_main() { p -> c = 55; } int main() { p = (struct bits *) calloc (1, sizeof (struct bits)); simulate_thread_main(); simulate_thread_done(); return 0; }
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