+2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expmed.c (extract_bit_field_1): Pass the full width of the
+ structure to get_best_reg_extraction_insn.
+
2013-02-01 David Edelsohn <dje.gcc@gmail.com>
PR target/54601
enum extraction_pattern pattern = unsignedp ? EP_extzv : EP_extv;
extraction_insn extv;
if (!MEM_P (op0)
- && get_best_reg_extraction_insn (&extv, pattern, bitnum + bitsize,
+ /* ??? We could limit the structure size to the part of OP0 that
+ contains the field, with appropriate checks for endianness
+ and TRULY_NOOP_TRUNCATION. */
+ && get_best_reg_extraction_insn (&extv, pattern,
+ GET_MODE_BITSIZE (GET_MODE (op0)),
tmode))
{
rtx result = extract_bit_field_using_extv (&extv, op0, bitsize, bitnum,