diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2013-07-08 10:48:40 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2013-07-08 10:48:40 +0200 |
| commit | 8140c06592fe11cfb82c54f0dc467705381a8785 (patch) | |
| tree | 38579d40ff3a272b2669af830c79e5de77e39b55 /gcc/c-family/array-notation-common.c | |
| parent | 78d432da45406aaeb97b7485f548d07fc3ca7049 (diff) | |
| download | gcc-8140c06592fe11cfb82c54f0dc467705381a8785.zip gcc-8140c06592fe11cfb82c54f0dc467705381a8785.tar.gz gcc-8140c06592fe11cfb82c54f0dc467705381a8785.tar.bz2 | |
re PR target/57819 (Suboptimal shift patterns)
PR target/57819
* simplify-rtx.c (simplify_unary_operation_1) <case ZERO_EXTEND>:
Simplify (zero_extend:SI (subreg:QI (and:SI (reg:SI)
(const_int 63)) 0)).
* combine.c (make_extraction): Create ZERO_EXTEND or SIGN_EXTEND
using simplify_gen_unary instead of gen_rtx_*_EXTEND.
* config/i386/i386.md (*jcc_bt<mode>_1): New define_insn_and_split.
* gcc.target/i386/pr57819.c: New test.
From-SVN: r200775
Diffstat (limited to 'gcc/c-family/array-notation-common.c')
0 files changed, 0 insertions, 0 deletions