diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -2004,12 +2004,17 @@ emit_group_load (dst, orig_src, ssize) } else if (GET_CODE (src) == CONCAT) { - if (bytepos == 0 - && bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 0)))) - tmps[i] = XEXP (src, 0); - else if (bytepos == (HOST_WIDE_INT) GET_MODE_SIZE (GET_MODE (XEXP (src, 0))) - && bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 1)))) - tmps[i] = XEXP (src, 1); + if ((bytepos == 0 + && bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 0)))) + || (bytepos == (HOST_WIDE_INT) GET_MODE_SIZE (GET_MODE (XEXP (src, 0))) + && bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 1))))) + { + tmps[i] = XEXP (src, bytepos != 0); + if (! CONSTANT_P (tmps[i]) + && (GET_CODE (tmps[i]) != REG || GET_MODE (tmps[i]) != mode)) + tmps[i] = extract_bit_field (tmps[i], bytelen * BITS_PER_UNIT, + 0, 1, NULL_RTX, mode, mode, ssize); + } else if (bytepos == 0) { rtx mem = assign_stack_temp (GET_MODE (src), |