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Diffstat (limited to 'includes/stg/SMP.h')
-rw-r--r--includes/stg/SMP.h37
1 files changed, 20 insertions, 17 deletions
diff --git a/includes/stg/SMP.h b/includes/stg/SMP.h
index e4ae6121fa..4020aef0d9 100644
--- a/includes/stg/SMP.h
+++ b/includes/stg/SMP.h
@@ -13,7 +13,7 @@
#pragma once
-#if arm_HOST_ARCH && defined(arm_HOST_ARCH_PRE_ARMv6)
+#if defined(arm_HOST_ARCH) && defined(arm_HOST_ARCH_PRE_ARMv6)
void arm_atomic_spin_lock(void);
void arm_atomic_spin_unlock(void);
#endif
@@ -186,14 +186,15 @@ EXTERN_INLINE void
write_barrier(void) {
#if defined(NOSMP)
return;
-#elif i386_HOST_ARCH || x86_64_HOST_ARCH
+#elif defined(i386_HOST_ARCH) || defined(x86_64_HOST_ARCH)
__asm__ __volatile__ ("" : : : "memory");
-#elif powerpc_HOST_ARCH || powerpc64_HOST_ARCH || powerpc64le_HOST_ARCH
+#elif defined(powerpc_HOST_ARCH) || defined(powerpc64_HOST_ARCH) \
+ || defined(powerpc64le_HOST_ARCH)
__asm__ __volatile__ ("lwsync" : : : "memory");
-#elif sparc_HOST_ARCH
+#elif defined(sparc_HOST_ARCH)
/* Sparc in TSO mode does not require store/store barriers. */
__asm__ __volatile__ ("" : : : "memory");
-#elif (arm_HOST_ARCH) || aarch64_HOST_ARCH
+#elif defined(arm_HOST_ARCH) || defined(aarch64_HOST_ARCH)
__asm__ __volatile__ ("dmb st" : : : "memory");
#else
#error memory barriers unimplemented on this architecture
@@ -204,17 +205,18 @@ EXTERN_INLINE void
store_load_barrier(void) {
#if defined(NOSMP)
return;
-#elif i386_HOST_ARCH
+#elif defined(i386_HOST_ARCH)
__asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory");
-#elif x86_64_HOST_ARCH
+#elif defined(x86_64_HOST_ARCH)
__asm__ __volatile__ ("lock; addq $0,0(%%rsp)" : : : "memory");
-#elif powerpc_HOST_ARCH || powerpc64_HOST_ARCH || powerpc64le_HOST_ARCH
+#elif defined(powerpc_HOST_ARCH) || defined(powerpc64_HOST_ARCH) \
+ || defined(powerpc64le_HOST_ARCH)
__asm__ __volatile__ ("sync" : : : "memory");
-#elif sparc_HOST_ARCH
+#elif defined(sparc_HOST_ARCH)
__asm__ __volatile__ ("membar #StoreLoad" : : : "memory");
-#elif arm_HOST_ARCH
+#elif defined(arm_HOST_ARCH)
__asm__ __volatile__ ("dmb" : : : "memory");
-#elif aarch64_HOST_ARCH
+#elif defined(aarch64_HOST_ARCH)
__asm__ __volatile__ ("dmb sy" : : : "memory");
#else
#error memory barriers unimplemented on this architecture
@@ -225,18 +227,19 @@ EXTERN_INLINE void
load_load_barrier(void) {
#if defined(NOSMP)
return;
-#elif i386_HOST_ARCH
+#elif defined(i386_HOST_ARCH)
__asm__ __volatile__ ("" : : : "memory");
-#elif x86_64_HOST_ARCH
+#elif defined(x86_64_HOST_ARCH)
__asm__ __volatile__ ("" : : : "memory");
-#elif powerpc_HOST_ARCH || powerpc64_HOST_ARCH || powerpc64le_HOST_ARCH
+#elif defined(powerpc_HOST_ARCH) || defined(powerpc64_HOST_ARCH) \
+ || defined(powerpc64le_HOST_ARCH)
__asm__ __volatile__ ("lwsync" : : : "memory");
-#elif sparc_HOST_ARCH
+#elif defined(sparc_HOST_ARCH)
/* Sparc in TSO mode does not require load/load barriers. */
__asm__ __volatile__ ("" : : : "memory");
-#elif arm_HOST_ARCH
+#elif defined(arm_HOST_ARCH)
__asm__ __volatile__ ("dmb" : : : "memory");
-#elif aarch64_HOST_ARCH
+#elif defined(aarch64_HOST_ARCH)
__asm__ __volatile__ ("dmb sy" : : : "memory");
#else
#error memory barriers unimplemented on this architecture