Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/ia64-sync-4.c @ 132:d34655255c78
update gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 10:21:07 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-require-effective-target sync_int_long } */ /* { dg-options "-O2 -finline-functions" } */ /* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ /* { dg-options "-mcpu=v9" { target sparc*-*-* } } */ /* Test inlining __sync_bool_compare_and_swap. */ #include <stdbool.h> static bool compare_and_swap(long *addr, long old, long new_val) { return __sync_bool_compare_and_swap(addr, old, new_val); } void foo (long *address) { long he_address = *address & ~1; while (!compare_and_swap(address, he_address, he_address | 1)) he_address = *address & ~1; }