[test] SRE ILGenerator test for methodref and fieldref token caching

[mono.git] / mono / metadata / mono-endian.h

diff --git a/mono/metadata/mono-endian.h b/mono/metadata/mono-endian.h
index 1617f054dabb3fab95a442aac743bd5b039723f4..8704dc5959d768ec585df4cd4a2ce9596505d978 100644 (file)
--- a/mono/metadata/mono-endian.h
+++ b/mono/metadata/mono-endian.h
@@ -1,3 +1,7 @@
+/**
+ * \file
+ */
+
 #ifndef _MONO_METADATA_ENDIAN_H_
 #define _MONO_METADATA_ENDIAN_H_ 1
 
@@ -11,11 +15,70 @@ typedef union {
 typedef union {
        guint64 ival;
        double fval;
+       unsigned char cval [8];
 } mono_rdouble;
 
-#define read16(x) GUINT16_FROM_LE (*((guint16 *) (x)))
-#define read32(x) GUINT32_FROM_LE (*((guint32 *) (x)))
-#define read64(x) GUINT64_FROM_LE (*((guint64 *) (x)))
+#if defined(__s390x__)
+
+#define read16(x)      s390x_read16(*(guint16 *)(x))
+#define read32(x)      s390x_read32(*(guint32 *)(x))
+#define read64(x)      s390x_read64(*(guint64 *)(x))
+
+static __inline__ guint16
+s390x_read16(guint16 x)
+{
+       guint16 ret;
+
+       __asm__ ("      lrvr    %0,%1\n"
+                "      sra     %0,16\n"
+                : "=r" (ret) : "r" (x));
+
+       return(ret);
+}
+
+static __inline__ guint32
+s390x_read32(guint32 x)
+{
+       guint32 ret;
+
+       __asm__ ("      lrvr    %0,%1\n"
+                : "=r" (ret) : "r" (x));
+
+       return(ret);
+}
+
+static __inline__ guint64
+s390x_read64(guint64 x)
+{
+       guint64 ret;
+
+       __asm__ ("      lrvgr   %0,%1\n"
+                : "=r" (ret) : "r" (x));
+
+       return(ret);
+}
+
+#else
+
+# if NO_UNALIGNED_ACCESS
+
+guint16 mono_read16 (const unsigned char *x);
+guint32 mono_read32 (const unsigned char *x);
+guint64 mono_read64 (const unsigned char *x);
+
+#define read16(x) (mono_read16 ((const unsigned char *)(x)))
+#define read32(x) (mono_read32 ((const unsigned char *)(x)))
+#define read64(x) (mono_read64 ((const unsigned char *)(x)))
+
+# else
+
+#define read16(x) GUINT16_FROM_LE (*((const guint16 *) (x)))
+#define read32(x) GUINT32_FROM_LE (*((const guint32 *) (x)))
+#define read64(x) GUINT64_FROM_LE (*((const guint64 *) (x)))
+
+# endif
+
+#endif
 
 #define readr4(x,dest) \
        do {    \