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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2015-12-10 14:32:21 +0100 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2015-12-10 14:32:21 +0100 |
| commit | b8a64b7f5d699776983eab2c07125523e96bc6ea (patch) | |
| tree | a9808e70899f6acf23ab79a385b0f2232a3e4e98 /gcc/config/arc/arc.h | |
| parent | 41eefe133f91ffeead07774a8f68040135e5fe1c (diff) | |
| download | gcc-b8a64b7f5d699776983eab2c07125523e96bc6ea.zip gcc-b8a64b7f5d699776983eab2c07125523e96bc6ea.tar.gz gcc-b8a64b7f5d699776983eab2c07125523e96bc6ea.tar.bz2 | |
[ARC] Add support for atomic memory built-in.
gcc/
2015-12-10 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (arc_expand_atomic_op): Prototype.
(arc_split_compare_and_swap): Likewise.
(arc_expand_compare_and_swap): Likewise.
* config/arc/arc.c (arc_init): Check usage atomic option.
(arc_pre_atomic_barrier): New function.
(arc_post_atomic_barrier): Likewise.
(emit_unlikely_jump): Likewise.
(arc_expand_compare_and_swap_qh): Likewise.
(arc_expand_compare_and_swap): Likewise.
(arc_split_compare_and_swap): Likewise.
(arc_expand_atomic_op): Likewise.
* config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): New C macro.
(ASM_SPEC): Enable mlock option when matomic is used.
* config/arc/arc.md (UNSPEC_ARC_MEMBAR): Define.
(VUNSPEC_ARC_CAS): Likewise.
(VUNSPEC_ARC_LL): Likewise.
(VUNSPEC_ARC_SC): Likewise.
(VUNSPEC_ARC_EX): Likewise.
* config/arc/arc.opt (matomic): New option.
* config/arc/constraints.md (ATO): New constraint.
* config/arc/predicates.md (mem_noofs_operand): New predicate.
* doc/invoke.texi: Document -matomic.
* config/arc/atomic.md: New file.
gcc/testsuite
2015-12-10 Claudiu Zissulescu <claziss@synopsys.com>
* lib/target-supports.exp (check_effective_target_arc_atomic): New
function.
(check_effective_target_sync_int_long): Add checks for ARC atomic
feature.
(check_effective_target_sync_char_short): Likewise.
From-SVN: r231509
Diffstat (limited to 'gcc/config/arc/arc.h')
| -rw-r--r-- | gcc/config/arc/arc.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h index d312f9f..c895725 100644 --- a/gcc/config/arc/arc.h +++ b/gcc/config/arc/arc.h @@ -88,6 +88,10 @@ along with GCC; see the file COPYING3. If not see { \ builtin_define ("__HS__"); \ } \ + if (TARGET_ATOMIC) \ + { \ + builtin_define ("__ARC_ATOMIC__"); \ + } \ if (TARGET_NORM) \ { \ builtin_define ("__ARC_NORM__");\ @@ -153,7 +157,7 @@ along with GCC; see the file COPYING3. If not see %{mcpu=ARC700|!mcpu=*:%{mrtsc}} \ %{mcpu=ARCHS:-mHS} \ %{mcpu=ARCEM:-mEM} \ -" +%{matomic:-mlock}" #if DEFAULT_LIBC == LIBC_UCLIBC /* Note that the default is to link against dynamic libraries, if they are |