diff options
Diffstat (limited to 'gcc/integrate.c')
| -rw-r--r-- | gcc/integrate.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/gcc/integrate.c b/gcc/integrate.c index 9b7a4e74d51..ff9d33f20c4 100644 --- a/gcc/integrate.c +++ b/gcc/integrate.c @@ -2411,19 +2411,14 @@ subst_constants (loc, insn, map, memonly) valid. We handle two cases: extracting a full word in an integral mode and extracting the low part. */ subst_constants (&inner, NULL_RTX, map, 0); - - if (GET_MODE_CLASS (GET_MODE (x)) == MODE_INT - && GET_MODE_SIZE (GET_MODE (x)) == UNITS_PER_WORD - && GET_MODE (SUBREG_REG (x)) != VOIDmode) - new = operand_subword (inner, SUBREG_BYTE (x) / UNITS_PER_WORD, - 0, GET_MODE (SUBREG_REG (x))); - - cancel_changes (num_changes); - if (new == 0 && subreg_lowpart_p (x)) - new = gen_lowpart_common (GET_MODE (x), inner); + new = simplify_gen_subreg (GET_MODE (x), inner, + GET_MODE (SUBREG_REG (x)), + SUBREG_BYTE (x)); if (new) validate_change (insn, loc, new, 1); + else + cancel_changes (num_changes); return; } |