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re PR bootstrap/39454 (Bootstrap failure on sparcv9-linux with profiledbootstrap)
authorJakub Jelinek <jakub@redhat.com>
Sat, 14 Mar 2009 08:10:55 +0000 (09:10 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Sat, 14 Mar 2009 08:10:55 +0000 (09:10 +0100)
commit39b2ac744aa646a35dee80b7b4d47d21b7a30d2b
tree846f43789220854350a5292b7c8ad1aa4e0e2c86tree | snapshot
parent037e4a3ed3ea9214e434b5664bb1fa72cb2dda34commit | diff
re PR bootstrap/39454 (Bootstrap failure on sparcv9-linux with profiledbootstrap)

PR bootstrap/39454
* cse.c (fold_rtx): Don't modify original const_arg1 when
canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
separate variable instead.
* rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
from out of range shift counts.
(num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.

From-SVN: r144857
gcc/ChangeLog diff | blob | blame | history
gcc/cse.c diff | blob | blame | history
gcc/rtlanal.c diff | blob | blame | history
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