From f6d8f384a24b358f3021f0e6a2e75779631e891b Mon Sep 17 00:00:00 2001 From: kenner Date: Sat, 27 Nov 2004 01:01:12 +0000 Subject: * 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 --- gcc/expmed.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'gcc/expmed.c') 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); } } -- cgit v1.2.1