diff options
Diffstat (limited to 'gcc/regcprop.cc')
| -rw-r--r-- | gcc/regcprop.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/regcprop.cc b/gcc/regcprop.cc index 4fa1305..98ab3f7 100644 --- a/gcc/regcprop.cc +++ b/gcc/regcprop.cc @@ -332,6 +332,10 @@ copy_value (rtx dest, rtx src, struct value_data *vd) if (vd->e[sr].mode == VOIDmode) set_value_regno (sr, vd->e[dr].mode, vd); + else if (!ordered_p (GET_MODE_PRECISION (vd->e[sr].mode), + GET_MODE_PRECISION (GET_MODE (src)))) + return; + /* If we are narrowing the input to a smaller number of hard regs, and it is in big endian, we are really extracting a high part. Since we generally associate a low part of a value with the value itself, |