note_mem_written, not before.

From-SVN: r11786

CC_NO_OVERFLOW.

From-SVN: r11785

From-SVN: r11784

(movqi): Allow moving "i" into "a".
(zero_extendsidi2): Alternatives merged.
(extendplussidi): Fixed when operands 0 and 1 share a register.
(adddi_sexthishl32): Constraints reordered for better reload.
(adddi3,subdi_sexthishl32,subdi3,negdi2): Likewise.
(ashldi_sexthi): Accept "m" as operand 0.
(ashldi_const32): Alternatives merged.
(ashift patterns): Output "lsl" instead of "asl".
(beq0_di): If condition codes already set, output only branch insn.
(bne0_di,bge0_di,blt0_di): Likewise.

From-SVN: r11783

From-SVN: r11782

From-SVN: r11781

(SET_ASM_OP): Define.

From-SVN: r11780

From-SVN: r11779

before jump2.

From-SVN: r11778

(rest_of_compilation): Set it.

From-SVN: r11777

From-SVN: r11776

(expand_field_assignment): Take SUBREG_WORD into account when have
STRICT_LOW_PART.
(make_extraction): Make a STRICT_LOW_PART at any low-order word.

From-SVN: r11775

        * flags.h (flag_function_sections): Declare.
        * toplev.c (flag_function_sections): Define.
        (compile_file): Add warnings when -ffunction-sections is
        used with -g, or profiling.  Disable -ffunction-sections
        when profiling is used.  Add warning when -ffunction-sections
        is used on a target that doesn't support it.
        * varasm.c (named_section): Make a copy of the section name
        in case the original is in temporary storage.
        (function_section): Set DECL_SECTION_NAME for each function
        if flag_function_sections is on and the target supports it.
        * dbxout.c (dbxout_function_end): New function.
        (dbxout_function): Call dbxout_function_end if using extensions
        and flag_function_sections is on.
        * sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Prefix a function
        section's name with ".text%" when -ffunction-sections.

From-SVN: r11774

clobbered in I2.

From-SVN: r11773

From-SVN: r11772

From-SVN: r11771

From-SVN: r11770

check_for_full_enumeration_handling.

From-SVN: r11769

signed range tests.

From-SVN: r11768

Pass mode to REAL_VALUE_FROM_INT.
(build_real_from_int_cst): Properly deal with truncation.

From-SVN: r11767

From-SVN: r11766

From-SVN: r11765

From-SVN: r11764

From-SVN: r11763

(combine_instructions): In initial scan of insns, handle a REG_INC note's affect on sign bit copies and nonzero bits.

(combine_instructions): In initial scan of insns, handle a REG_INC
note's affect on sign bit copies and nonzero bits.
(set_nonzero_bits_and_sign_copies): Treat a zero SET arg as a CLOBBER.

From-SVN: r11762

From-SVN: r11761

(MULTLIB_DEFAULTS): Always little-endian for now.

From-SVN: r11760

From-SVN: r11759

(ASM_OUTPUT_FLOAT): Print the value in hex.

From-SVN: r11758

From-SVN: r11757

From-SVN: r11756

	* arm/arm.c (use_return_insn): Don't use return for naked functions.
	(arm_valid_machine_decl_attribute): New function.
	(arm_naked_function_p): New function.
	(output_func_prologue): Naked functions don't have prologues.
	(arm_expand_prologue): Likewise.
	(output_func_epilogue): Likewise with epilogues.

From-SVN: r11755

        * h8300/h8300.c (adds_subs_operand): Fix thinko in last change.

        * h8300/h8300.md (subhi3): Turn into a define_expand.
        (subhi3 using adds_subs): New pattern.
        (H8300 subhi): Derived from old subhi pattern.  Simplified.
        (H8300H subhi): Likewise.
        (subsi using adds_subs): New pattern.  Only used on H8300H.
        (subsi_h8300): Allow "a" registers as destination.
        (subsi_h8300h): Allow "a" registers as destination.  Simplify.

        * h8300/h8300.md (bcs_qiqi, bcs_hihi, bs_hiqi): Fix thinkos
        in last change.

From-SVN: r11754

everything is handled in FUNCTION_PROLOGUE.

From-SVN: r11753

Remove change of Nov 26; again use normal mechanism for SImode.
(alpha_emit_set_const): New function.

From-SVN: r11752

        * h8300.md: Add more comments about things which seem
        wrong, stupid, or just don't make any sense yet.

        * h8300.c (adds_subs_operand): New function.
        (output_adds_subs): New function.
        * h8300.md (addhi3): Turn into a define_expand.
        (addhi3 using adds_subs): New pattern.
        (H8300 addhi): Derived from old addhi pattern.  Simplified.
        (H8300H addhi): Likewise.
        (addsi using adds_subs): New pattern.  Only used on H8300H.
        (addsi_h8300): Allow "a" registers as destination.
        (addsi_h8300h):  Simplify.  Allow "a" registers as destination.

        * h8300.md (bcs): New attribute type.
        (default_length): Compute correct length for bcs insns.
        (bcs_qiqi, bcs_hihi, bs_hiqi): Use new type and update
        to account for correct length computation.

        * h8300.md (movhi_internal): Demand at least one operand to
        be a register.
        (movsi_h8300): Optimize loading certain constants.
        (movsi_h8300h): Likewise.

        * h8300.h (NO_FUNCTION_CSE): Comment out.
        (FUNCTION_ARG_REGNO_P): Properly define for TARGET_QUICKCALL.
        (RETURN_IN_MEMORY): Don't return small structs in regs.

From-SVN: r11751

* config.guess:  Combine two OSF1 rules.
Also recognize field test versions.  From mjr@zk3.dec.com.
* config.guess (dgux):  Use /usr/bin/uname rather than uname,
because GNU uname does not support -p.  From pmr@pajato.com.

From-SVN: r11712

From-SVN: r11711

From-SVN: r11710

        * h8300/h8300.c (const_costs): -4 and 4 are cheap on the h8300h.
        (notice_update_cc): Remove references to "value2" field.

From-SVN: r11709