From a6d2976a97625bea66e80fb63384a68ab79983ae Mon Sep 17 00:00:00 2001 From: John David Anglin Date: Tue, 25 Jan 2005 02:05:39 +0000 Subject: re PR middle-end/19330 (FAIL: gcc.c-torture/execute/20010605-2.c execution, -O1) PR middle-end/19330 * expmed.c (extract_bit_field): Use adjust_address instead of gen_lowpart when op0 is a MEM. From-SVN: r94198 --- gcc/expmed.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'gcc/expmed.c') diff --git a/gcc/expmed.c b/gcc/expmed.c index dcd77ac..47b3d0d 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -1158,12 +1158,18 @@ 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)) { - op0 = gen_lowpart (imode, op0); + if (MEM_P (op0)) + op0 = adjust_address (op0, imode, 0); + else + { + gcc_assert (imode != BLKmode); + 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); + /* 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 v1.1