diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index d4ea689..96ebd20 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6249,6 +6249,9 @@ make_extraction (enum machine_mode mode, rtx inner, HOST_WIDE_INT pos, || orig_pos + len > GET_MODE_BITSIZE (wanted_inner_mode))) return 0; + if (orig_pos < 0) + return 0; + inner = force_to_mode (inner, wanted_inner_mode, pos_rtx || len + orig_pos >= HOST_BITS_PER_WIDE_INT |