diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index abd6458..08cacab 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3361,13 +3361,15 @@ find_split_point (rtx *loc, rtx insn) rtx dest = XEXP (SET_DEST (x), 0); enum machine_mode mode = GET_MODE (dest); unsigned HOST_WIDE_INT mask = ((HOST_WIDE_INT) 1 << len) - 1; + rtx or_mask; if (BITS_BIG_ENDIAN) pos = GET_MODE_BITSIZE (mode) - len - pos; + or_mask = gen_int_mode (src << pos, mode); if (src == mask) SUBST (SET_SRC (x), - simplify_gen_binary (IOR, mode, dest, GEN_INT (src << pos))); + simplify_gen_binary (IOR, mode, dest, or_mask)); else { rtx negmask = gen_int_mode (~(mask << pos), mode); @@ -3375,7 +3377,7 @@ find_split_point (rtx *loc, rtx insn) simplify_gen_binary (IOR, mode, simplify_gen_binary (AND, mode, dest, negmask), - GEN_INT (src << pos))); + or_mask)); } SUBST (SET_DEST (x), dest); |