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| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-01-13 06:54:54 +0000 |
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| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-01-13 06:54:54 +0000 |
| commit | 4289fc47ac0887f6585ffb4e20358057b5728b0c (patch) | |
| tree | 6cbad2a7fea3f837e9b192843516e7ffceaa5290 /gcc/expmed.c | |
| parent | 02b8280916dd8a31edfe281dfffe42d183c776bc (diff) | |
| download | gcc-4289fc47ac0887f6585ffb4e20358057b5728b0c.tar.gz | |
2009-01-13 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk r143328
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@143329 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 50eb45fa651..9ee5f29883d 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -749,6 +749,16 @@ store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, if (pat) { emit_insn (pat); + + /* If the mode of the insertion is wider than the mode of the + target register we created a paradoxical subreg for the + target. Truncate the paradoxical subreg of the target to + itself properly. */ + if (!TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (GET_MODE (op0)), + GET_MODE_BITSIZE (op_mode)) + && (REG_P (xop0) + || GET_CODE (xop0) == SUBREG)) + convert_move (op0, xop0, true); return true; } delete_insns_since (last); |