* src/vm/jit/x86_64/codegen.h: Generate mfence instruction.

[cacao.git] / src / vm / jit / x86_64 / emit.c

diff --git a/src/vm/jit/x86_64/emit.c b/src/vm/jit/x86_64/emit.c
index 9f1a35f957927e066c8dffc525698325ef438688..83dcdc4011a402309c2521b526df17de7232bc94 100644 (file)
--- a/src/vm/jit/x86_64/emit.c
+++ b/src/vm/jit/x86_64/emit.c
@@ -2573,6 +2573,13 @@ void emit_rdtsc(codegendata *cd)
        *(cd->mcodeptr++) = 0x31;
 }
 
+void emit_mfence(codegendata *cd)
+{
+       *(cd->mcodeptr++) = 0x0f;
+       *(cd->mcodeptr++) = 0xae;
+       *(cd->mcodeptr++) = 0xf0;
+}
+
 
 /*
  * These are local overrides for various environment variables in Emacs.
@@ -2585,4 +2592,5 @@ void emit_rdtsc(codegendata *cd)
  * c-basic-offset: 4
  * tab-width: 4
  * End:
+ * vim:noexpandtab:sw=4:ts=4:
  */