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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 527f822a..3bf9a38 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,27 @@ +2012-08-22 Oleg Endo <olegendo@gcc.gnu.org> + + PR target/54089 + * config/sh/predicates (p27_rshift_count_operand, + not_p27_rshift_count_operand): New predicates. + * config/sh/sh.c (sh_ashlsi_clobbers_t_reg_p, + sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p): Handle special + case when shift amount is 31. + (gen_ashift): Emit gen_shlr instead of gen_lshrsi3_m. + * config/sh/sh.md (ashlsi3_d): Set type to 'dyn_shift' instead + of 'arith'. + (ashlsi_c): Rename to shll. Adapt calls to gen_ashlsi_c throughout + the file. + (lshrsi3): Remove clobber from expander. Use shift_count_operand + instead of nonmemory_operand predicate for second operand. Add + handling of case lshrsi3_n_clobbers_t. + (lshrsi3_k): Use p27_rshift_count_operand for second operand. + (lshrsi3_d): Make insn_and_split. Split dynamic shift to constant + shift sequences if beneficial. + (lshrsi3_n): Make insn_and_split. Split constant shift sequence to + dynamic shift if beneficial. + (lshrsi3_n_clobbers_t): New insn_and_split. + (lshrsi3_m): Delete. + 2012-08-22 Steven Bosscher <steven@gcc.gnu.org> * tracer.c (mark_bb_seen): Use SBITMAP_SIZE. |