Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/guality/pr43077-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* PR debug/43077 */ /* { dg-do run } */ /* { dg-options "-g -fno-ipa-icf" } */ int varb; int __attribute__((noinline)) fn1 (void) { int vara = (varb == 3); /* { dg-final { gdb-test .+1 "vara" "0" } } */ asm volatile ("" : : "g" (vara)); /* { dg-final { gdb-test . "varb" "2" } } */ return 0; } int __attribute__((noinline)) fn2 (void) { int vara = (varb == 3); /* { dg-final { gdb-test .+1 "vara" "1" } } */ asm volatile ("" : : "g" (vara)); /* { dg-final { gdb-test . "varb" "3" } } */ return 0; } int __attribute__((noinline)) foo (unsigned long *p, unsigned long *q) { int ret; asm volatile ("" : "=r" (ret), "=r" (*p), "=r" (*q) : "0" (1), "1" (2), "2" (3)); return ret; } int __attribute__((noinline)) fn3 (void) { unsigned long a = 0, b = 0, c = 0; a = foo (&b, &c); /* { dg-final { gdb-test .+6 "a" "1" } } */ /* { dg-final { gdb-test .+5 "b" "2" } } */ /* { dg-final { gdb-test .+4 "c" "3" } } */ unsigned long vara = a; /* { dg-final { gdb-test .+3 "vara" "1" } } */ unsigned long varb = b; /* { dg-final { gdb-test .+2 "varb" "2" } } */ unsigned long varc = c; /* { dg-final { gdb-test .+1 "varc" "3" } } */ asm volatile ("" : : "g" (vara), "g" (varb), "g" (varc)); return a; } int main (void) { asm volatile ("" : "=r" (varb) : "0" (2)); fn1 (); asm volatile ("" : "=r" (varb) : "0" (3)); fn2 (); fn3 (); return 0; }