diff options
| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-27 01:01:12 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-27 01:01:12 +0000 |
| commit | f6d8f384a24b358f3021f0e6a2e75779631e891b (patch) | |
| tree | 8d0dff310443267538186659b8b0d591fe1694bc /gcc/expmed.c | |
| parent | 4d1d1bcff742cfe34d5fbb0305e0aa3b64af31c3 (diff) | |
| download | gcc-f6d8f384a24b358f3021f0e6a2e75779631e891b.tar.gz | |
* expmed.c (extract_bit_field): When extracting from non-integer mode,
force a SUBREG into a register because we may be taking a further
SUBREG of it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91361 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index eeab02fadcf..37d6768b266 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -1163,13 +1163,12 @@ extract_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, enum machine_mode imode = int_mode_for_mode (GET_MODE (op0)); if (imode != GET_MODE (op0)) { - if (MEM_P (op0)) - op0 = adjust_address (op0, imode, 0); - else - { - gcc_assert (imode != BLKmode); - op0 = gen_lowpart (imode, op0); - } + op0 = gen_lowpart (imode, op0); + + /* If we got a SUBREG, force it into a register since we aren't going + to be able to do another SUBREG on it. */ + if (GET_CODE (op0) == SUBREG) + op0 = force_reg (imode, op0); } } |