From-SVN: r21770

From-SVN: r21768

sparc.c (ultra_code_from_mask, [...]): New functions to describe UltraSPARC pipeline exactly to Haifa.

	* config/sparc/sparc.c (ultra_code_from_mask,
	ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
	ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
	ultrasparc_sched_init, ultrasparc_variable_issue,
	ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
	functions to describe UltraSPARC pipeline exactly to Haifa.
	(ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
	as there is nothing the scheduler can do about it.  Indicate that
	REG_DEP_OUTPUT's collide.  Fixup formatting.
	* config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
	divide costs on Ultra for DImode.
	(MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
	Define.
	* config/sparc/sparc.md (ieu_unnamed function unit): Rename to
	ieuN and add call_no_delay_slot to type list.
	(cti function unit): New unit for branches on UltraSPARC.
	(subx/addx insns): Set type to misc.
	(sidi zero/sign extension insns on arch64): Set type to shift.
	(sign_extendhidi2_insn): Set type to sload.

From-SVN: r21767

        * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
        (output_epilog): Use if != 0 for offset.
        (rs6000_fatal_bad_address): Prepare for Intl.
        * rs6000.h (rs6000_fatal_bad_address): Declare.
        * rs6000.md (movsfcc, movdfcc): Use else if.
        (elf_high): Use {liu|lis}.
        (elf_low): Use {cal|la}.  Remove %a template from old mnemonics.
        (movsi): Use rs6000_fatal_bad_address.

From-SVN: r21766

8
        * reload.c (find_equiv_reg): Reject equivalences separated
        by a volatile instruction.

From-SVN: r21763

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        * reload.c (find_equiv_reg): Reject equivalences separated
        by a volatile instruction.

From-SVN: r21762

From-SVN: r21760

From-SVN: r21758

From-SVN: r21757

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        * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.

From-SVN: r21754

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        * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.

From-SVN: r21753

From-SVN: r21752

Sat Aug 15 20:22:33 1998  H.J. Lu  (hjl@gnu.org)
        * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
        return type.
        * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.

From-SVN: r21751

	* config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
	write-only modifier from operand 1 constraint.

From-SVN: r21749

	* config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
	emitting a XOR of -1 at the end, emit a NOT instead for combine's
	sake.
	(sparc_emit_set_const64): Likewise, also when computing trailing
	bits do not negate low_bits and make fast_int an int.

From-SVN: r21748

From-SVN: r21746

        * loop.c (add_label_notes): Do not ignore references to labels
        before dispatch tables.  Mirrors Apr 8 change to mark_jump_label.
        * gcse.c (add_label_notes): Similarly.

From-SVN: r21744

From-SVN: r21742

(
        * m68k.md (adddi_dilshr32): One of the operands must be a register.
        (adddi_dishl32): Similarly.

From-SVN: r21739

 
        * m68k.md (adddi_dilshr32): One of the operands must be a register.
        (adddi_dishl32): Similarly.

From-SVN: r21738

From-SVN: r21735

	* i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
	* alias.c (memrefs_conflict_p): Add braces to shut up warnings.
	* cse.c (cse_basic_block): Add parens to shut up warnings.

From-SVN: r21734

	* config/sparc/sparc.c (sparc_emit_set_const64_quick2,
	sparc_emit_set_const64_longway, const64_is_2insns,
	create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
	in 64-bit constant formation.
	* config/sparc/sparc.md (snesi_zero_extend split): Generate
	rtl for addx not subx.
	(define_insn movdi_const64_special): Make available even when
	HOST_BITS_PER_WIDE_INT is not 64.
	(movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
	(losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
	(cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
	instances of operand 1 inside a QI subreg.
	(xordi3_sp64_dbl): Remove '%' constraint for op1.
	(one_cmpldi2_sp64): Fix output string.
	(one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
	alternative case.
	(unnamed arch64 ashift DI): Truncate shift count if greater than
	63, not 31.

From-SVN: r21733

expr.c (store_expr): Don't optimize away load-store pair when either source or destination have a...

	* expr.c (store_expr): Don't optimize away load-store pair
	when either source or destination have a side effect.

From-SVN: r21732

	* genrecog.c (add_to_sequence): Fatal error if the modes of the operands
	of SET are incompatible.
	* alpha.md: Fix max and min patterns so modes of SET operands match.

From-SVN: r21731

Good eyes Brendan...

From-SVN: r21730

	* test_installed: new script for testing already-installed
 	gcc/g++/g77

From-SVN: r21728

	* configure.in: Avoid [[ by using test and changequote.
	* configure: Rebuild.

From-SVN: r21726

	* rtl.def (CONSTANT_P_RTX): Fix typo in string name.
	* config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
	seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
	split, snedi_zero_trunc and split, seqsi_zero_extend and split,
	seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
	movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
	split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
	Fix mismatching modes in SET operands.
	(conditional move patterns): Fix formatting.
	(unnamed subx arch64 pattern): Remove duplicate insn.

From-SVN: r21725

	* config/sparc/sparc.c (const64_operand, const64_high_operand):
	Get it right when HOST_BITS_PER_WIDE_INT is not 64.
	(input_operand): Fixup test for what we accept for constant
	integers.
	(sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
	set VOIDmode.
	(safe_constDI): Remove.
	(sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
	gen_safe_XOR64): New functions.
	(sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
	sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
	them.
	* config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
	available when HOST_BITS_PER_WIDE_INT is not 64.
	(define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
	move before movdi_insn_sp64 pattern.
	(define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
	(define_insn sethi_di_medlow, seth44, setm44, sethh): Use
	symbolic_operand as predicate for second operand.
	(DImode minus split on arch32, negsi2 expander, one_cmplsi2
	expander): Give set VOIDmode.

From-SVN: r21724

From-SVN: r21723

�
        * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.

From-SVN: r21722

From-SVN: r21719

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        * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.

From-SVN: r21717

 
        * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.

From-SVN: r21716

X
        * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
        point.
        (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.

From-SVN: r21715

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        * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
        point.
        (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.

From-SVN: r21714

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        * install.texi: Various SCO OpenServer tweaks.

[[Split portion of a mixed commit.]]

From-SVN: r21710.2

 
        * install.texi: Various SCO OpenServer tweaks.

From-SVN: r21709

From-SVN: r21708