jump.c (jump_optimize): Correctly identify branches to the end of a function so that they may be turned...

	* jump.c (jump_optimize): Correctly identify branches to the end
	of a function so that they may be turned into RETURN insns.

From-SVN: r4903

From-SVN: r4902

(HARD_REG_ELT_TYPE): New unsigned type to
avoid signed arithmetic overflow.
(HARD_REG_SET): Define as HARD_REG_ELT_TYPE, or array thereof.
(HARD_CONST): Always cast to HARD_REG_ELT_TYPE.
(*_HARD_REG_*): Use unsigned HARD_CONST and HARD_REG_ELT_TYPE
types instead of assuming HOST_WIDE_INT.

From-SVN: r4901

From-SVN: r4900

From-SVN: r4899

From-SVN: r4898

	* pa.md (dbra and movb patterns): Fix constraints so that FP
	registers are never preferred.

From-SVN: r4897

From-SVN: r4896

From-SVN: r4895

(__gnuc_va_list): Replace __va_f and __va_r with __va_reg.
(__va_list, _SYS_INT_STDARG_H): New defines.
(va_arg): Corresponding changes.

From-SVN: r4894

From-SVN: r4893

From-SVN: r4892

        * pa.md (default length define_attr): Lengths are in bytes now.
        (asm_attributes): Likewise.
        (delay slot attributes): Deal with lengths in bytes.
        (explicit length computations): Compute length in bytes.

From-SVN: r4891

        * pa.c (compute_movstrsi_length): Return length in bytes.
        (pa_adjust_insn_length): Return adjustment in bytes.
        (output_cbranch): Handle lengths as bytes.
        (output_bb, output_dbra, output_movb): Likewise.

From-SVN: r4890

From-SVN: r4889

pa.c (pa_adjust_insn_length): dbra and movb insns which have their output in a FP register do not need adjustment.

        * pa.c (pa_adjust_insn_length): dbra and movb insns which have
        their output in a FP register do not need adjustment.
        (output_cbranch, output_bb): Handle conditional jump to the
        following instruction.
        (output_dbra): New function extracted from dbra pattern.
        (output_movb): New function.
        (eq_neq_comparison_operator): New function.
        (movb_comparison_operator): New function.

From-SVN: r4888

        * pa.md (dbra pattern): Use output_dbra.
        (dbra pattern #2): New pattern.  Also use output_dbra.
        (movb, inverted movb): New patterns.

From-SVN: r4887

From-SVN: r4886

From-SVN: r4885

From-SVN: r4884

From-SVN: r4883

Use REAL_VALUE_TO_DECIMAL to generate decimal string.
(REAL_ARITHMETIC): Define.

From-SVN: r4882

(STARTING_FRAME_OFFSET): Set to -16.

From-SVN: r4881

(simple_if): Save stmt_count, and print empty body
warning here.
(if_prefix): Don't save stmt_count here.
(stmt): Don't print empty body warning here.

From-SVN: r4880

From-SVN: r4879

From-SVN: r4878

From-SVN: r4877

From-SVN: r4876

        * pa.c (pa_adjust_insn_length): Rewrite so that it only adjusts
        insns which really need adjustment.
        (output_cbranch): Rework so that output templates are simpler.
        Use shorter sequence for long backwards conditional branches with
        a filled delay slot that is nullified.  More agressively use "skip"
        instructions.  More agressively nullify the delay slot if nothing
        useful could be placed there.
        (output_bb): Likewise.
	(forward_branch_p): New function.

From-SVN: r4875

        * pa.md (conditional branches): Use the full displacement range
        for the branch target.  Update length computations to match current
        reality.
        (branch on bit patterns): Likewise.
        (decrement_and_branch_until_zero): Re-enable pattern.  Rewrite to
        be simpler and more efficient.  Also handle case where loop counter
        is in a FP register.

From-SVN: r4874

cases found in sequent PTX-2.0.x headers.

From-SVN: r4873

From-SVN: r4872

messages instead of "vfork" when vfork is defined to fork.

From-SVN: r4871

(sparc_type_code): Recognize SET_TYPE.  For special
Fortran/Pascal types, just return qualifiers instead of aborting.

From-SVN: r4870

From-SVN: r4869

least as many sign bit copies as bits in mask.

From-SVN: r4868

(fold, COND_EXPR case):  All simplified results
must go through pedantic_non_lvalue.
(pedantic_non_lvalue): New function.

From-SVN: r4867

From-SVN: r4866

must go through pedantic_non_lvalue.

From-SVN: r4865

From-SVN: r4864