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author | Tamar Christina <tamar.christina@arm.com> | 2022-08-30 07:48:21 +0100 |
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committer | Tamar Christina <tamar.christina@arm.com> | 2022-08-30 07:48:21 +0100 |
commit | 368dbb23c5efaf86b2b18945508d379713c0d12c (patch) | |
tree | 8f86795a98b4410de7c3203affbc54050a69357b | |
parent | 0b47752e7e5169370c84eb30016b3aeac06ddc5e (diff) | |
download | gcc-368dbb23c5efaf86b2b18945508d379713c0d12c.zip gcc-368dbb23c5efaf86b2b18945508d379713c0d12c.tar.gz gcc-368dbb23c5efaf86b2b18945508d379713c0d12c.tar.bz2 |
middle-end: intialize regnum in store_bit_field_1
This initializes regnum to 0 for when undefined_p.
0 is the right default as it's supposed to get the lowpart
when undefined.
gcc/ChangeLog:
* expmed.cc (store_bit_field_1): Initialize regnum to 0.
-rw-r--r-- | gcc/expmed.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/expmed.cc b/gcc/expmed.cc index 8d7418b..cdc0adb 100644 --- a/gcc/expmed.cc +++ b/gcc/expmed.cc @@ -794,7 +794,7 @@ store_bit_field_1 (rtx str_rtx, poly_uint64 bitsize, poly_uint64 bitnum, words or to cope with mode punning between equal-sized modes. In the latter case, use subreg on the rhs side, not lhs. */ rtx sub; - HOST_WIDE_INT regnum; + HOST_WIDE_INT regnum = 0; poly_uint64 regsize = REGMODE_NATURAL_SIZE (GET_MODE (op0)); if (known_eq (bitnum, 0U) && known_eq (bitsize, GET_MODE_BITSIZE (GET_MODE (op0)))) |