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| author | Oleg Endo <olegendo@gcc.gnu.org> | 2012-10-15 22:08:07 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2012-10-15 22:08:07 +0000 |
| commit | 26943929c00ae27dcd63706c642bc3d827adcf4a (patch) | |
| tree | 4345633a0ae1c37863cf324ef3c7e80f33d28125 /gcc/expr.c | |
| parent | 14df3f361e5aaa4145ab242886e3a857d4ae078c (diff) | |
| download | gcc-26943929c00ae27dcd63706c642bc3d827adcf4a.zip gcc-26943929c00ae27dcd63706c642bc3d827adcf4a.tar.gz gcc-26943929c00ae27dcd63706c642bc3d827adcf4a.tar.bz2 | |
re PR target/51244 ([SH] Inefficient conditional branch and code around T bit)
PR target/51244
* config/sh/sh-protos.h (set_of_reg): New struct.
(sh_find_set_of_reg, sh_is_logical_t_store_expr,
sh_try_omit_signzero_extend): Declare...
* config/sh/sh.c (sh_find_set_of_reg, sh_is_logical_t_store_expr,
sh_try_omit_signzero_extend): ...these new functions.
* config/sh/sh.md (*logical_op_t): New insn_and_split.
(*zero_extend<mode>si2_compact): Use sh_try_omit_signzero_extend
in splitter.
(*extend<mode>si2_compact_reg): Convert to insn_and_split.
Use sh_try_omit_signzero_extend in splitter.
(*mov<mode>_reg_reg): Disallow t_reg_operand as operand 1.
(*cbranch_t): Rewrite combine part in splitter using new
sh_find_set_of_reg function.
PR target/51244
* gcc.target/sh/pr51244-17.c: New.
From-SVN: r192481
Diffstat (limited to 'gcc/expr.c')
0 files changed, 0 insertions, 0 deletions