Kaveh R. GHAZI wrote:
2008-10-19 Ralph Loader <suckfish@ihug.co.nz>
PR middle-end/37807, middle-end/37809
* combine.c (force_to_mode): Do not process vector types.
* rtlanal.c (nonzero_bits1): Do not process vector types.
(num_sign_bit_copies1): Likewise.
The testcase mmx-8.c crashes on the 4.3/4.2 branches, e.g.
http://gcc.gnu.org/ml/gcc-testresults/2008-11/msg01056.html
The fix for rtl-optimization/36438 [1], [2] needs to be backported to
4.3 and 4.2 branch.
[1] http://gcc.gnu.org/PR36438
[2] http://gcc.gnu.org/ml/gcc-patches/2008-06/msg00268.html
2008-11-13 Uros Bizjak <ubizjak@gmail.com>
Backport from mainline:
2008-06-06 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/36438
* cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
for vector shifts with constant scalar shift operands.
testsuite/ChangeLog:
2008-11-13 Uros Bizjak <ubizjak@gmail.com>
Backport from mainline:
2008-06-06 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/36438
* gcc.target/i386/pr36438.c
Patch was bootstrapped and regression tested on x86_64-pc-linux-gnu
{,-m32} and committed to 4.3 branch. It will be committed to 4.2 after
regression test ends.
Uros.