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author | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-02 22:07:29 +0000 |
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committer | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-11-02 22:07:29 +0000 |
commit | c9d595cef8d1d1b0677b0b3d5e9d5482b43ffc77 (patch) | |
tree | 04d584e03506b2591f14368fcdc5c2b03335fc1e /gcc | |
parent | 88f55321c655c64c54402318675b2d138a5718e4 (diff) | |
download | ppe42-gcc-c9d595cef8d1d1b0677b0b3d5e9d5482b43ffc77.tar.gz ppe42-gcc-c9d595cef8d1d1b0677b0b3d5e9d5482b43ffc77.zip |
* expmed.c (store_bit_field): Use simplify_gen_subreg to make
SUBREG so we avoid SUBREGing memory.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46721 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/expmed.c | 7 |
2 files changed, 6 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c2c619f3d3c..986b0d0886f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-11-02 Aldy Hernandez <aldyh@redhat.com> + + * expmed.c (store_bit_field): Use simplify_gen_subreg to make + SUBREG so we avoid SUBREGing memory. + 2001-11-02 DJ Delorie <dj@redhat.com> * config/rs6000/rs6000.c (rs6000_emit_move): Make sure that diff --git a/gcc/expmed.c b/gcc/expmed.c index b08a8c60c46..10c514164fe 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -638,12 +638,7 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) if we must narrow it, be sure we do it correctly. */ if (GET_MODE_SIZE (GET_MODE (value)) < GET_MODE_SIZE (maxmode)) - { - /* Avoid making subreg of a subreg, or of a mem. */ - if (GET_CODE (value1) != REG) - value1 = copy_to_reg (value1); - value1 = gen_rtx_SUBREG (maxmode, value1, 0); - } + value1 = simplify_gen_subreg (maxmode, value1, GET_MODE (value1), 0); else value1 = gen_lowpart (maxmode, value1); } |