r190603 - in /trunk/gcc: ChangeLog config/sh/pr...

[olegendo at gcc dot gnu dot org]

Author: olegendo
Date: Wed Aug 22 22:52:17 2012
New Revision: 190603

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190603
Log:
	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.

	PR target/54089
	* gcc.target/sh/pr54089-2.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/sh/pr54089-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/predicates.md
    trunk/gcc/config/sh/sh.c
    trunk/gcc/config/sh/sh.md
    trunk/gcc/testsuite/ChangeLog