URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [ia64-sync-4.c] - Diff between revs 816 and 826

Rev 816	Rev 826
`/* { dg-do compile } */`	`/* { dg-do compile } */`
`/* { dg-require-effective-target sync_int_long } */`	`/* { dg-require-effective-target sync_int_long } */`
`/* { dg-options "-O2 -finline-functions" } */`	`/* { dg-options "-O2 -finline-functions" } */`
`/* { dg-options "-march=i486" { target { { i?86-- x86_64-- } && ilp32 } } } */`	`/* { dg-options "-march=i486" { target { { i?86-- x86_64-- } && ilp32 } } } */`
`/* { dg-options "-mcpu=v9" { target sparc--* } } */`	`/* { dg-options "-mcpu=v9" { target sparc--* } } */`

`/* Test inlining __sync_bool_compare_and_swap. */`	`/* Test inlining __sync_bool_compare_and_swap. */`

`#include <stdbool.h>`	`#include <stdbool.h>`

`static bool`	`static bool`
`compare_and_swap(long *addr, long old, long new_val)`	`compare_and_swap(long *addr, long old, long new_val)`
`{`	`{`
`return __sync_bool_compare_and_swap(addr, old, new_val);`	`return __sync_bool_compare_and_swap(addr, old, new_val);`
`}`	`}`

`void`	`void`
`foo (long *address)`	`foo (long *address)`
`{`	`{`
`long he_address = *address & ~1;`	`long he_address = *address & ~1;`
`while (!compare_and_swap(address, he_address, he_address \| 1))`	`while (!compare_and_swap(address, he_address, he_address \| 1))`
`he_address = *address & ~1;`	`he_address = *address & ~1;`
`}`	`}`