Fixes PR97.

[cacao.git] / src / vm / jit / i386 / md.h

diff --git a/src/vm/jit/i386/md.h b/src/vm/jit/i386/md.h
index 568f8e934d0115ac9bb15754eedc4e32cbb2346e..f5f2f915781ef1aea746413b348c4a65a1ed2f9a 100644 (file)
--- a/src/vm/jit/i386/md.h
+++ b/src/vm/jit/i386/md.h
@@ -85,7 +85,8 @@ inline static void *md_codegen_get_pv_from_pc(void *ra)
 
 inline static void md_cacheflush(void *addr, int nbytes)
 {
-       /* do nothing */
+       // Compiler optimization barrier (see PR97).
+       __asm__ __volatile__ ("" : : : "memory");
 }
 
 
@@ -97,7 +98,8 @@ inline static void md_cacheflush(void *addr, int nbytes)
 
 inline static void md_icacheflush(void *addr, int nbytes)
 {
-       /* do nothing */
+       // Compiler optimization barrier (see PR97).
+       __asm__ __volatile__ ("" : : : "memory");
 }
 
 
@@ -109,7 +111,8 @@ inline static void md_icacheflush(void *addr, int nbytes)
 
 inline static void md_dcacheflush(void *addr, int nbytes)
 {
-       /* do nothing */
+       // Compiler optimization barrier (see PR97).
+       __asm__ __volatile__ ("" : : : "memory");
 }
 
 #endif /* _VM_JIT_I386_MD_H */