diff options
Diffstat (limited to 'gcc-4.7/gcc/reginfo.c')
| -rw-r--r-- | gcc-4.7/gcc/reginfo.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/gcc-4.7/gcc/reginfo.c b/gcc-4.7/gcc/reginfo.c index 635312655..f3a08f523 100644 --- a/gcc-4.7/gcc/reginfo.c +++ b/gcc-4.7/gcc/reginfo.c @@ -1222,17 +1222,7 @@ reg_scan_mark_refs (rtx x, rtx insn) /* If this is setting a register from a register or from a simple conversion of a register, propagate REG_EXPR. */ if (REG_P (dest) && !REG_ATTRS (dest)) - { - rtx src = SET_SRC (x); - - while (GET_CODE (src) == SIGN_EXTEND - || GET_CODE (src) == ZERO_EXTEND - || GET_CODE (src) == TRUNCATE - || (GET_CODE (src) == SUBREG && subreg_lowpart_p (src))) - src = XEXP (src, 0); - - set_reg_attrs_from_value (dest, src); - } + set_reg_attrs_from_value (dest, SET_SRC (x)); /* ... fall through ... */ |