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  1. 30 Jan, 1999 17 commits
  3. 29 Jan, 1999 10 commits
  5. 28 Jan, 1999 9 commits
  7. 27 Jan, 1999 4 commits
    • Move `normal_memory_operand' from gcc2 merge into the operand · 39157bcc 
      predicates section of the file.

From-SVN: r24890
      Richard Henderson committed
    • rtl.h (insn_first_p): Declare. · 3ec2b590 
      	* rtl.h (insn_first_p): Declare.
	* rtlanal.c (insn_first_p): New function.
	* loop.h (varray.h): Include.
	(struct induction): Change combined_with to unsigned.
	New members derived, ix and last_use.
	(reg_iv_type, reg_iv_info): Now varray_type.  All references changed.
	(REG_IV_TYPE, REG_IV_INFO): Define.
	(first_increment_giv, last_increment_giv): Declare.
	* loop.c (loop_number_loop_cont): New static variable.
	(loop_number_cont_dominator): Likewise.
	(reg_iv_type, reg_iv_info): Now varray_type.
	(first_increment_giv, last_increment_giv): New variables.
	(compute_luids, verify_dominator, find_life_end): New functions.
	(cmp_recombine_givs_stats, recombine_givs): Likewise.
	(loop_optimize): Allocate loop_number_loop_cont and
	loop_number_cont_dominator.  Use compute_luids.
	(find_and_verify_loops): Initialize loop_number_loop_cont and
	loop_number_cont_dominator.
	(strength_reduce): Try to find bivs that can be expressed as givs
	of another biv, and to convert biv increments into givs.
	Call recombine_givs.  Handle derived givs.
	(record_biv): New argument location.  All callers changed.
	(record_giv): Initialize derived and last_use fields.
	(basic_induction_var): New argument location.  All callers changed.
	(combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
	Increment combined_with instead of setting to 1.
	* unroll.c (derived_regs): New static variable.
	(unroll_loop): Initialize it.
	Allocate local_regno according to max_reg_num.
	(copy_loop_body): Cope with derived givs.
	(find_splittable_givs): Check for Givs made from biv increments.
	Set derived_regs for givs.
	* Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .

From-SVN: r24889
      J"orn Rennecke committed
    • Add new test · a9c70c22 
      From-SVN: r24888
      Michael Meissner committed
    • function.c (purge_addressof_1): Handle case when a register has been used in a wider mode. · d91dfff4 
      	* function.c (purge_addressof_1): Handle case when a register
	has been used in a wider mode.

From-SVN: r24887
      J"orn Rennecke committed