changelog.0

GCC

Tue Jul 14 02:20:38 1998  Jeffrey A Law  ([e-mail])

	* version.c: Bump to avoid problems with old spec files during
	bootstrap.

Mon Jul 13 23:11:44 1998  David S. Miller  <[e-mail]>

	* config/sparc/sparc.c (output_scc_insn): Enclose || conditions in
	parens while walking over notes.
	* config/sparc/sparc.md (reg movdi split): Clean up matching
	conditions.
	(all DI arithop splits on 32-bit): Handle immediate arguments
	correctly when they are CONST_INTs.

Mon Jul 13 23:57:21 1998  Kamil Iskra  <[e-mail]>

	* m68k/m68k.h (TARGET_SWITCHES): Clear MASK_68040_ONLY for
	-m68020-40, -m68020-60 and -m5200.

Mon Jul 13 23:52:05 1998  Weiwen Liu  <[e-mail]>

	* gcc.c (do_spec_1): Fix %O handling for secure temporary file
	creation.

Mon Jul 13 23:42:36 1998  Ralf Corsepius  <[e-mail]>

	* sh/elf.h (MAX_OFILE_ALIGNMENT): Undefine before including svr4.h.

Mon Jul 13 23:36:08 1998  Jim Wilson  <[e-mail]>

	* i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs.
	(CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them.
	(EXTRA_SPECS): Support them.
	* gcc.c: Delete %[spec] support.
	(do_spec_1, case '('): Likewise.
	(do_spec_1, case '['): Call error.
	* i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h,
	linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h,
	sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete
	%[cpp_cpu].

Mon Jul 13 23:31:04 1998  Andreas Schwab  <[e-mail]>

	* m68k.c (output_scc_di): Use cmpw #0 only for address registers.

Mon Jul 13 23:26:43 1998  Jeffrey A Law  ([e-mail])

	* tree.h (tree_common): Note front-end dependencies on layout of
	this structure.

Mon Jul 13 23:18:39 1998  Craig Burley  <[e-mail]>

	* stmt.c (expand_expr_stmt): If not assigning fresh
	value to last_expr_value, zero it, so old garbage
	doesn't get dereferenced.

Mon Jul 13 23:06:55 1998  [e-mail]  (Henning Petersen)

	* gcse.c (hash_scan_insn): Add missing argument declaration.

Mon Jul 13 18:59:13 1998  Jim Wilson  <[e-mail]>

	* configure.in (mips-sgi-irix5cross64, mips-sgi-irix5*): Remove
	HAVE_INTTYPES_H from xm_defines.  Define xm_file to mips/xm-iris5.h.
	* mips/xm-iris5.h (USG): Delete.

Mon Jul 13 17:18:47 1998  Nick Clifton  <[e-mail]>

	* cccp.c (main): Add support for parsing --help.
	(display_help): New function: display command line switches.

	* cpplib.c (cpp_handle_option): Add support for parsing --help.
	(display_help): New function: display command line switches.

	* gcc.c (main): Add support for parsing --help, and passing it on
	to the sub-processes invoked by gcc.
	(display_help): New function: display command line switches.	

	* tm.texi (TARGET_SWITCHES and TARGET_OPTIONS): Document
	'description' field added to structure.

	* toplev.c: Add support for parsing --help.
	Add documentation strings to command line option tables.
	(display_help): New function: display comman line switches.

Mon Jul 13 16:15:10 1998  John Carr  <[e-mail]>

	* sparc.c, sparc.h, sparc.md: New trampoline code.
	Allow integer operand 1 to V8+ DImode shift instructions.
	Fix bugs in V8+ wide multiply patterns.
	In 32 bit mode, split DImode register moves and logical instructions.
	Write V9 branch prediction flag.
	Use V9 conditional move more often for scc.

Mon Jul 13 15:10:09 1998  Philippe De Muyter  <[e-mail]>

	* invoke.texi(-fno-builtin): Explain that the names of built-in
	functions begin with `__builtin_', not `__'.

Mon Jul 13 19:01:52 1998  J"orn Rennecke  <[e-mail]>

	* reload1.c (reload_reg_free_before_p): Abort for RELOAD_FOR_OUTPUT.

Mon Jul 13 10:50:17 1998  Mark Mitchell  <[e-mail]>

	* cplus-dem.c (SCOPE_STRING): Remove DMGL_JAVA stuff.
	(cplus_demangle_opname): Initialize work.
	(demangle_template): Remove is_java_array.
	(do_type): Remove DMGL_JAVA stuff.
	(long_options): Remove "java".
	(main): Remove 'j' option.

Mon Jul 13 10:19:00 1998  Jeffrey A Law  ([e-mail])

	* mn10300.h (REG_CLASS_FROM_LETTER): Map 'y' to SP_REGS.
	Handle 'x' as NO_REGS for this cpu.
	(REGNO_OK_FOR_BIT_BASE_P): Define.
	(REG_OK_FOR_BIT_BASE_P): Define.
	(GO_IF_LEGITIMATE_ADDRESS): Use them.
	(REG_OK_FOR_INDEX_P): Tweak.
	* mn13000.c (REG_SAVE_BYTES): Define.
	(expand_epilogue, initial_offset): Use it.
	(secondary_reload_class): Slightly reformat.
	(output_tst): Tweak comments.
	* mn10300.md: Change 'x' to 'y' for SP_REGS.  Then add 'x' to many
	patterns.
	(addsi3): Turn into a define_expand/define_insn pair.  Rework code for
	three operand addition case to be more efficient.
	(subsi3): Turn into a define_expand/define_insn pair.

	* expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address
	is not varying for REFERENCE_TYPE or when we think we might have found
	an optimized access to the first element in an array.

Mon Jul 13 02:24:08 1998  David S. Miller  <[e-mail]>

	* regclass.c (reg_scan_mark_refs): New arg min_regno.  Only update
	regscan information for REGs with numbers greater than or equal to
	this.  All callers changed.
	(reg_scan_update): New function to efficiently update regscan
	information on the fly.
	* rtl.h: Add prototype.
	* jump.c (jump_optimize): Call it when we make a transformation
	which generates new pseudo-REGs.

Sun Jul 12 13:08:14 1998  Jeffrey A Law  ([e-mail])

	* collect2.c (main): Use "-x c" instead of "-lang-c" for force the
	compiler into C mode.

Sun Jul 12 01:27:05 1998  Jason Merrill  <[e-mail]>

	* cplus-dem.c (demangle_nested_args): Return a value.

	* tree.h (TYPE_P): New macro.

Sat Jul 11 16:19:48 1998  Mark Mitchell  <[e-mail]>

	* cplus-dem.c (string): Move definition before work_stuff.
	(work_stuff): Add volatile_type, forgetting_types,
	previous_argument, and nrepeats fields.
	(SCOPE_STRING): New macro.
	(demangle_template): Add `remember' parameter.  Add comment.
	Register the `B' code type here, if remembering.  Tidy.  Fix crash
	on NULL tmpl_argvec.  Be consistent with use of tname/trawname.
	(demangle_nested_args): New function.
	(internal_cplus_demangle): Handle volatile-qualified member
	functions.
	(mop_up): Delete the previous_argument string if present.
	(demangle_signature): Tidy.  Handle volatile-qualified member
	functions.  Handle back-references using the `B' code.  Use extra
	parameter to demangle_template and SCOPE_STRING where appropriate.
	(demangle_template_value_parm): Fix thinko; 'B' is not an integral
	code.
	(demangle_class): Use SCOPE_STRING.
	(gnu_special): Pass additional argument to demangle_template.
	Use SCOPE_STRING.
	(demangle_qualified): Save qualified types for later
	back-references.  Handle constructors and destructors for template
	types correctly.
	(do_type): Tidy.  Use SCOPE_STRING.  Pass extra argument to
	demangle_template.  Use demangled_nested_args.  Don't remember
	qualified types here; that's now done in demangle_qualified.
	Similarly for templates.
	(do_arg): Improve comment.  Handle 'n' repeat code.
	(remember_type): Check forgetting_types.
	(demangle_args): Deal with 'n' repeat codes.  Tidy.
	
Sat Jul 11 02:59:08 1998  Richard Earnshaw  <[e-mail]>

	* arm.md (extendhisi2_mem, movhi, movhi_bytes): Propagate the volatile
	and structure attribute flags to MEMs generated.
	(splits for sign-extended HI & QI mode from memory): Also propagate
	the volatile flag.

	* configure.in (thumb-*-coff*): Don't cause fixincludes to be run.

Fri Jul 10 19:06:59 1998  Michael Meissner  <[e-mail]>

	* varray.h: Include system.h if it hasn't already been included
	before to get size_t declared.

Fri Jul 10 12:53:58 1998  David S. Miller  <[e-mail]>

	* jump.c (jump_optimize): If after_regscan and our transformations
	generate new REGs, rerun reg_scan.

Fri Jul 10 11:50:43 1998  Andrew MacLeod  <[e-mail]>

	* config/i960/i960.c (i960_address_cost): MEMA operands with
	positive offsets < 4096 are free.

Fri Jul 10 12:34:37 1998  Andreas Schwab  <[e-mail]>

	* config/m68k/m68k.c (const_uint32_operand): Recognize
	CONSTANT_P_RTX.
	(const_sint32_operand): Likewise.

Thu Jul  9 22:58:59 1998  Jeffrey A Law  ([e-mail])

	* Makefile.in (alias.o): Depend on $(EXPR_H).

Thu Jul  9 18:24:56 1998  J"orn Rennecke  <[e-mail]>

	* reload1.c (choose_reload_regs): If using an equivalence from
	find_equiv_reg and reg_reloaded_valid is not set for this register,
	clear the associated spill_reg_store.

Thu Jul  9 18:12:49 1998  J"orn Rennecke  <[e-mail]>

	* reload1.c (emit_reload_insns): If an output reload copies only
	to a secondary reload register, indicate that the secondary reload
	does the actual store.

Thu Jul  9 18:01:05 1998  J"orn Rennecke  <[e-mail]>

	* reload.c (find_equiv_reg): If need_stable_sp is set,
	check if stack pointer is changed directly in a PARALLEL.

Thu Jul  9 10:38:14 1998  Jeffrey A Law  ([e-mail])

	* jump.c (duplicate_loop_exit_test): Fix thinko.

Thu Jul  9 01:30:37 1998  Joel Sherrill  <[e-mail]>
			  Ralf Corsepius  <[e-mail]>

	* config/i386/rtemself.h: Updated to keep in sync with
	config/i386/linux.h.

	* configure.in: Added sh-rtemself.
	* configure: Rebuilt.
	* config/sh/rtems.h: Removed -D__ELF__ since it is now COFF.
	* config/sh/rtemself.h: New file.

	* config/rs6000/rtems.h: Defined STARTFILE_DEFAULT_SPEC.

Wed Jul  8 21:43:14 1998  Jeffrey A Law  ([e-mail])

	* configure.in: Check if the assembler supports ".balign" and
	".p2align" and define HAVE_GAS_BALIGN_AND_P2ALIGN appropriately.
	* acconfig.h (HAVE_GAS_BALIGN_AND_P2ALIGN): New tag.
	* i386/gas.h (ASM_OUTPUT_ALIGN): If the assembler has support for
	".balign" then use it.

	* print-rtl.c (print_rtx): Revert previous patch.

	* jump.c (duplicate_loop_exit_test): Do not duplicate the loop exit
	test if the exit code has an insn with ASM_OPERANDS.

	* i386/cygwin32.h (STDIO_PROTO): Fix typo.
	* m32r.h (STDIO_PROTO): Fix typo.

	* pa.h (LEGITIMIZE_RELOAD_ADDRESS): Handle addresses created by
	LEGITIMIZE_RELOAD_ADDRESS.
	* tm.texi (LEGITIMIZE_RELOAD_ADDRESS): Note that this macro must be
	able to handle addresses created by previous invocations of the macro.

	* flow.c (find_auto_inc): Remove most recent change.  Real bug was
	elsewhere.

	* cse.c (count_reg_usage): Count registers used in addresses of
	CLOBBERs.

Wed Jul  8 15:08:29 1998  Jim Wilson  <[e-mail]>

	* Makefile.in (STAGESTUFF): Readd line lost during June 9 FSF merge.

	* configure.in (mips64orion-*-rtems*): Use elf64.h not elfl64.h.

1998-07-08  Vladimir N. Makarov  <[e-mail]>

	* config/fp-bit.c (__gexf2, __fixxfsi, __floatsixf): Add function
	stubs.

	* toplev.c (lang_options): Add -Wlong-long, -Wno-long-long
	options.
	* c-decl.c (warn_long_long): Define.
	(c_decode_option): Parse -Wlong-long, -Wno-long-long options.
	(grokdeclarator): Add flag `warn_long_long' as guard for
	warning "ANSI C does not support `long long'".
	* invoke.texi: Add description of options -Wlong-long,
	-Wno-long-long.
	* gcc.1: The same as above.
	
Wed Jul  8 02:43:34 1998  Jeffrey A Law  ([e-mail])

	* rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART.  If
	either argument is CONSTANT_P, then return zero.
	* reload.c (reg_overlap_mentioned_for_reload_p): Similarly.

	* configure.in: Also look at $srcdir/gas/configure to find a
	gas version #.

Wed Jul  8 00:28:22 1998  Carlo Wood  <[e-mail]>

	* dsp16xx.h : Clean up of macro OPTIMIZATION_OPTIONS

Tue Jul  7 21:18:14 1998  Mumit Khan  <[e-mail]>

	* i386/cygwin32.h (ASM_DECLARE_FUNCTION_NAME): Merge duplicate
	definitions from last two patches.

Tue Jul  7 23:03:34 1998  J"orn Rennecke  <[e-mail]>

	* reload1.c (choose_reload_regs): Don't set reload_override_in
	if EQUIV is clobbered in INSN and the reload is done after INSN.

Tue Jul  7 21:23:36 1998  J"orn Rennecke  <[e-mail]>

	* expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN
	to the first insn of the sequence.

Tue Jul  7 21:05:25 1998  J"orn Rennecke  <[e-mail]>

	* cse.c (cse_insn): Don't make change without validation.

Tue Jul  7 11:40:05 1998  Jeffrey A Law  ([e-mail])

	* mn10200.md (various zero/sign extension patterns): Zero and sign
	extensions which use "sub" clobber cc0.

Tue Jul  7 09:12:08 1998  Jeff Law  ([e-mail])

	* version.c: Bump for snapshot.

Tue Jul  7 10:07:20 1998  Jeffrey A Law  ([e-mail])

	* print-rtl.c (print_rtx): Use REAL_VALUE_TYPE instead of "double".

Tue Jul  7 08:41:27 1998  Richard Henderson  ([e-mail])

	* print-rtl.c (print_rtx): Only print fp values when REAL_VALUE_TYPE
	is a double.

Tue Jul  7 00:31:58 1998  Jeff Law  ([e-mail])

	* version.c: Bump for snapshot.