+ sign = (x >> (len-1)) & 1;
+
+ temp = sign_unext (x, len-1);
+
+ return (temp << 1) | sign;
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_3 (unsigned as3)
+{
+ return (( (as3 & 4) << (13-2))
+ | ((as3 & 3) << (13+1)));
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_12 (unsigned as12)
+{
+ return (( (as12 & 0x800) >> 11)
+ | ((as12 & 0x400) >> (10 - 2))
+ | ((as12 & 0x3ff) << (1 + 2)));
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_14 (unsigned as14)
+{
+ return (( (as14 & 0x1fff) << 1)
+ | ((as14 & 0x2000) >> 13));
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_16 (unsigned as16)
+{
+ unsigned s, t;
+
+ /* Unusual 16-bit encoding, for wide mode only. */
+ t = (as16 << 1) & 0xffff;
+ s = (as16 & 0x8000);
+ return (t ^ s ^ (s >> 1)) | (s >> 15);
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_17 (unsigned as17)
+{
+ return (( (as17 & 0x10000) >> 16)
+ | ((as17 & 0x0f800) << (16 - 11))
+ | ((as17 & 0x00400) >> (10 - 2))
+ | ((as17 & 0x003ff) << (1 + 2)));
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_21 (unsigned as21)
+{
+ return (( (as21 & 0x100000) >> 20)
+ | ((as21 & 0x0ffe00) >> 8)
+ | ((as21 & 0x000180) << 7)
+ | ((as21 & 0x00007c) << 14)
+ | ((as21 & 0x000003) << 12));
+}
+
+static inline unsigned ATTRIBUTE_UNUSED
+re_assemble_22 (unsigned as22)
+{
+ return (( (as22 & 0x200000) >> 21)
+ | ((as22 & 0x1f0000) << (21 - 16))
+ | ((as22 & 0x00f800) << (16 - 11))
+ | ((as22 & 0x000400) >> (10 - 2))
+ | ((as22 & 0x0003ff) << (1 + 2)));
+}
+
+
+/* Handle field selectors for PA instructions.
+ The L and R (and LS, RS etc.) selectors are used in pairs to form a
+ full 32 bit address. eg.
+
+ LDIL L'start,%r1 ; put left part into r1
+ LDW R'start(%r1),%r2 ; add r1 and right part to form address
+
+ This function returns sign extended values in all cases.
+*/
+
+static inline bfd_signed_vma ATTRIBUTE_UNUSED
+hppa_field_adjust (bfd_vma sym_val,
+ bfd_signed_vma addend,
+ enum hppa_reloc_field_selector_type_alt r_field)
+{
+ bfd_signed_vma value;
+
+ value = sym_val + addend;
+ switch (r_field)
+ {
+ case e_fsel:
+ /* F: No change. */
+ break;
+
+ case e_nsel:
+ /* N: null selector. I don't really understand what this is all
+ about, but HP's documentation says "this indicates that zero
+ bits are to be used for the displacement on the instruction.
+ This fixup is used to identify three-instruction sequences to
+ access data (for importing shared library data)." */
+ value = 0;
+ break;
+
+ case e_lsel:
+ case e_nlsel:
+ /* L: Select top 21 bits. */
+ value = value >> 11;
+ break;
+
+ case e_rsel:
+ /* R: Select bottom 11 bits. */
+ value = value & 0x7ff;
+ break;
+
+ case e_lssel:
+ /* LS: Round to nearest multiple of 2048 then select top 21 bits. */
+ value = value + 0x400;
+ value = value >> 11;
+ break;