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ChangeLog.10
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Sun Mar 31 05:10:10 1996 Richard Kenner ([email protected])
* stor-layout.c (layout_decl): Don't make a bitfield an integral mode
if the mode of the field type is not MODE_INT.
* sched.c (schedule_block): CALL_INSNs don't affect fixed regs.
* flow.c (propagate_block): CALL_INSNs don't kill fixed regs.
Sat Mar 30 03:32:48 1996 Torbjorn Granlund <[email protected]>
* expmed.c (expand_divmod, case TRUNC_DIV_EXPR): Move some code
to avoid shifting by a too large count.
Fri Mar 29 15:45:51 1996 Doug Evans <[email protected]>
* configure (i[3456]86-*-sunos5*): Delete, config.sub converts
sunos5 to solaris2.
(sparc-*-sunos5*): Likewise.
(sparc64-*-{solaris2*,sunos5*}): Delete. Stick with sparc-*-solaris2*.
* sparc.h (FUNCTION_PROFILER): Save/restore %g2 around mcount call.
Fri Mar 29 14:20:31 1996 Stan Cox <[email protected]>
* i386.c (notice_update_cc): Clear cc_status if ref modified MEM.
Fri Mar 29 09:37:52 1996 Jeffrey A. Law <[email protected]>
* calls.c (expand_call): Remove current_call_is_indirect nonsense.
Add additional argument to INIT_CUMULATIVE_ARGS.
(emit_library_call): Likewise.
(emit_library_call_value): Likewise.
* expr.c (expand_builtin): Likewise.
* function.c (assign_parms): Likewise.
* pa.h (hppa_args): New field "indirect".
(INIT_CUMULATIVE_ARGS): Initialize "indirect" field.
(FUNCTION_ARG): Check "indirect" field, rather than
"current_call_is_indirect".
* a29k.h (INIT_CUMULATIVE_ARGS):New arg, INDIRECT.
* alpha.h (INIT_CUMULATIVE_ARGS): Likewise.
* arm.h (INIT_CUMULATIVE_ARGS): Likewise.
* clipper.h (INIT_CUMULATIVE_ARGS): Likewise.
* convex.h (INIT_CUMULATIVE_ARGS): Likewise.
* dsp16xx.h (INIT_CUMULATIVE_ARGS): Likewise.
* elxsi.h (INIT_CUMULATIVE_ARGS): Likewise.
* fx80.h (INIT_CUMULATIVE_ARGS): Likewise.
* gmicro.h (INIT_CUMULATIVE_ARGS): Likewise.
* h8300.h (INIT_CUMULATIVE_ARGS): Likewise.
* i370/mvs.h (INIT_CUMULATIVE_ARGS): Likewise.
* i386.h (INIT_CUMULATIVE_ARGS): Likewise.
* i860.h (INIT_CUMULATIVE_ARGS): Likewise.
* i960.h (INIT_CUMULATIVE_ARGS): Likewise.
* m68k.h (INIT_CUMULATIVE_ARGS): Likewise.
* m68k/mot3300.h (INIT_CUMULATIVE_ARGS): Likewise.
* m88k.h (INIT_CUMULATIVE_ARGS): Likewise.
* mips.h (INIT_CUMULATIVE_ARGS): Likewise.
* ns32k.h (INIT_CUMULATIVE_ARGS): Likewise.
* pdp11.h (INIT_CUMULATIVE_ARGS): Likewise.
* pyr.h (INIT_CUMULATIVE_ARGS): Likewise.
* romp.h (INIT_CUMULATIVE_ARGS): Likewise.
* rs6000.h (INIT_CUMULATIVE_ARGS): Likewise.
* sh.h (INIT_CUMULATIVE_ARGS): Likewise.
* sparc.h (INIT_CUMULATIVE_ARGS): Likewise.
* spur.h (INIT_CUMULATIVE_ARGS): Likewise.
* tahoe.h (INIT_CUMULATIVE_ARGS): Likewise.
* vax.h (INIT_CUMULATIVE_ARGS): Likewise.
* we32k.h (INIT_CUMULATIVE_ARGS): Likewise.
* mips.c (mips_expand_prologue): Add extra arg to
INIT_CUMULATIVE_ARGS call.
Thu Mar 28 18:45:49 1996 Richard Kenner <[email protected]>
* alpha.c (summarize_insn): Fix three "off-by-one" bugs in loop bounds.
Thu Mar 28 16:50:10 1996 Doug Evans <[email protected]>
* ginclude/inl-sparc.h: Deleted.
Thu Mar 28 12:07:31 1996 Jeffrey A. Law <[email protected]>
* va-h8300.h (va_arg): Don't assume sizeof (int) == 4.
* pa.c (hppa_legitimize_address): Don't lose for
(plus (plus (mult (A) (shadd_const)) (B)) (C)) if
B + C isn't a valid address for indexing.
(basereg_operand): Only accept base registers after
cse has completed. Don't accept the frame pointer if
it's likely to be eliminated.
* pa.md (unscaled indexing patterns): Add variants with
basereg and index register reversed.
(HImode and QImode loads): Add zero extended variants.
Wed Mar 27 07:45:27 1996 Richard Kenner <[email protected]>
* expmed.c (negate_rtx): Fix typo in previous change.
Tue Mar 26 13:50:43 1996 Jim Wilson <[email protected]>
* calls.c (expand_call): In convert_to_mode call, use word_mode
not SImode.
Tue Mar 26 13:44:34 1996 Doug Evans <[email protected]>
* configure: Delete unnecessary special handling of --with-cpu.
Tue Mar 26 10:41:57 1996 Jeffrey A. Law <[email protected]>
* expr.c (emit_push_insn): When doing a partial push, emit
a CLOBBER so that flow doesn't think the entire register
is live.
Tue Mar 26 10:00:52 1996 Richard Kenner <[email protected]>
* alpha.c (summarize_insn, default case): Properly use format_ptr.
Tue Mar 26 09:51:09 1996 Philippe De Muyter ([email protected])
* m68k.h (output_move_simode_const): New extern declaration.
* m68k.c (output_move_simode_const): New function.
(singlemove_string): Call it.
* m68k.md (fullword move): Likewise.
Tue Mar 26 05:43:06 1996 Torbjorn Granlund <[email protected]>
* vax.md (insv matcher): Call CC_STATUS_INIT.
* vax.h (NOTICE_UPDATE_CC): Handle ZERO_EXTRACT destination.
Mon Mar 25 19:18:08 1996 Jason Merrill <[email protected]>
* function.c (expand_function_start): Don't set up context_display
unless current_function_needs_context.
Mon Mar 25 18:48:18 1996 Philippe De Muyter <[email protected]>
* fold-const.c (fold, case BIT_IOR_EXPR): Recognize rotates
with variable count.
Mon Mar 25 18:05:28 1996 Jim Wilson <[email protected]>
* Makefile.in (libgcc1-test): Undo Feb 12 change.
Mon Mar 25 08:09:59 1996 Richard Kenner ([email protected])
* objc/thread-single.c (objc_mutex_unlock): Properly declare thread_id.
Mon Mar 25 08:02:50 1996 Philippe De Muyter <[email protected]>
* configure (m68k-motorola-sysv*): Fixed indentation.
Sun Mar 24 08:16:42 1996 Richard Kenner ([email protected])
* expmed.c (negate_rtx): Don't try to negate a constant ourself;
instead call simplify_unary_operation.
Sun Mar 24 07:29:06 1996 Richard Henderson <[email protected]>
* gcc.c (process_command): Instead of hardcoding non-empty
switches_need_spaces to turn on "o" and "L", make the string
contain the switches that need the spaces.
* m68k/ccur-GAS.h (SWITCHES_NEED_SPACES): Change definition
correspondingly.
Sat Mar 23 18:34:44 1996 Harry Dolan <[email protected]>
* i860/paragon.h (LIB_SPEC): Always output -lmach.
Sat Mar 23 18:25:39 1996 J"orn Rennecke ([email protected])
* c-typeck.c (set_init_index): Check for use outside an array
initializer.
* defaults.h (ASM_OUTPUT_ADDR_DIFF_ELT): Delete.
* pdp11.h (ASM_OUTPUT_ADDR_DIFF_ELT): Don't define.
Sat Mar 23 15:55:35 1996 Doug Evans <[email protected]>
* combine.c (make_extraction): In BITS_BIG_ENDIAN correction of POS,
need to treat MEM and REG differently.
* sparc.h (SPARC_SIMM{10,11,13}_P): Define.
(SMALL_INT): Use SPARC_SIMM13_P.
(CONST_OK_FOR_LETTER_P): Support new letters L,M.
* sparc.c (arith11_operand): Use SPARC_SIMM11_P.
(arith10_operand): Use SPARC_SIMM10_P.
* sparc.md (*mov{qi,hi,si,di}_cc_sp64): Fix constraints.
(*mov{qi,hi,si,di}_cc_reg_sp64): Likewise.
Sat Mar 23 07:47:19 1996 Andreas Schwab <[email protected]>
* m68k/linux.h (TRAMPOLINE_TEMPLATE): Correct first instruction.
* m68k/m68kv4.h (TRAMPOLINE_TEMPLATE): Likewise.
Sat Mar 23 07:06:55 1996 Richard Kenner ([email protected])
* bc-emit.c (bc_emit_instruction): Add missing va_end call.
* c-typeck.c (build_array_ref): Give error if subscripting a function.
Fri Mar 22 09:11:45 1996 Richard Kenner ([email protected])
* local-alloc.c (optimize_reg_copy_1): Only update reg_live_length
if it is non-negative.
Thu Mar 21 14:42:26 1996 Doug Evans <[email protected]>
* sparc/splet.h (STARTFILE_SPEC,LINK_SPEC): Define.
Wed Mar 20 17:23:18 1996 Jim Wilson <[email protected]>
* cse.c (note_mem_written): Delete obsolete code for handling
(mem (scratch)).
* mips.c (mips_expand_prologue): In initialization of fnargs, delete
special treatment of METHOD_TYPE.
Wed Mar 20 17:07:45 1996 Doug Evans <[email protected]>
* sparc/sol2.h (ASM_CPU_SPEC): Recognize -mcpu=v8plus, not v9.
Fix typo in ultrasparc entry.
* sparc.h (CPP_CPU_SPEC): Add v8plus entry.
(ASM_CPU_SPEC): Likewise.
* sparc.c (fcc_reg_operand): Ensure correct mode.
(icc_or_fcc_reg_operand): Likewise.
(gen_v9_scc): IF_THEN_ELSE must have a mode.
(print_operand): New operand code `x' for all condition codes.
New operand codes `c,d' for reversed conditional moves.
* sparc.md (movqicc,movhicc): New named patterns.
(movdicc): if_then_else must have a mode.
(movsicc,movsfcc,movdfcc,movtfcc): Likewise.
Change condition to TARGET_V9, not TARGET_ARCH64.
Fail if DImode compare and ! TARGET_ARCH64.
(conditional move matchers): Rewrite.
Wed Mar 20 16:12:29 1996 Stan Cox <[email protected]>
* i386.h (HARD_REGNO_MODE_OK): Relax QImode constraint to
avoid a reload problem.
Wed Mar 20 13:12:22 1996 Jeffrey A. Law <[email protected]>
* pa.c (hppa_legitimize_address): Don't lose for x[n-const]
when n-const will not be shifted. Don't pessimize code for
x[n-const] when const is small.
Wed Mar 20 11:42:32 1996 Markus Theissinger <[email protected]>
* m68k/sun3.h (LIB_SPEC): Don't link /usr/lib/bb_link.o with `gcc -a'.
(__bb_init_func): Deleted.
(BLOCK_PROFILER_CODE): Don't set macro to nothing.
* m68k/xm-sun3.h: New file.
* configure (m68k-sun-sunos*): Use it.
* xm-linux.h (HAVE_POPEN): New define.
Wed Mar 20 11:28:37 1996 Andreas Schwab <[email protected]>
* m68k/linux.h (ASM_SPEC): Deleted.
(STRUCT_VALUE_REGNUM): Redefine as register a0.
(STATIC_CHAIN_REGNUM): Redefine as register a1.
(TRAMPOLINE_TEMPLATE): Redefine to use the right register.
Wed Mar 20 08:04:34 1996 Richard Kenner ([email protected])
* libgcc2.c (__dummy): New function.
* Makefile.in (LIB2FUNCS): Add __dummy.
* expr.c (expand_builtin, case BUILT_IN_SETJMP): Call "setjmp"
pattern, if any.
Call dummy function pointed to by static chain pointer.
(expand_builtin, case BUILT_IN_LONJMP): Ignore second expression.
Set address of __dummy into static chain pointer.
Copy the label to return to into a pseudo earlier.
* stupid.c (last_setjmp_suid, regs_crosses_setjmp): New variables.
(stupid_life_analysis, stupid_mark_refs): Use them to track which
regs are live over a setjmp; don't allocate such regs.
Tue Mar 19 22:02:07 1996 Jason Merrill <[email protected]>
* cplus-dem.c (demangle_template): Fix for non-mangled pointer
arguments.
Tue Mar 19 13:54:06 1996 Jeffrey A. Law <[email protected]>
* pa.c (compute_frame_size): Update comments to reflect reality.
(hppa_expand_prologue): Don't save registers which aren't
used, even if it creates holes. Partially undoes changes from
early March.
(hppa_expand_epilogue): Likewise.
Tue Mar 19 08:25:17 1996 J"orn Rennecke ([email protected])
* stmt.c (struct case_node): New member balance.
(add_case_node): New function.
(pushcase, pushcase_range): Use it.
(case_tree2list): New function.
(expand_end_case): Use it.
Tue Mar 19 07:44:22 1996 Stephen L Moshier ([email protected])
* regstack.c (move_for_stack_reg): Avoid stack overflow while
storing XFmode from fp reg to memory.
Tue Mar 19 07:38:03 1996 Richard Kenner ([email protected])
* m68k.h (MASK_*): New macros.
(OVERRIDE_OPTIONS): Use them.
(TARGET_SWITCHES): Likewise.
Treat -m68332 like -m68000.
Mon Mar 18 20:04:13 1996 Richard Earnshaw ([email protected])
* expmed.c (emit_store_flag): If expanding (GE X 0) will need two
insns, don't use subtarget for the result of the first insn.
Move a likely constant to the start of a condition.
Mon Mar 18 19:48:14 1996 Philippe De Muyter <[email protected]>
* m68k.h (CONST_OK_FOR_LETTER_VALUE): New constraint 'M'.
* m68k.c (output_function_epilogue): Restore registers using sp+
instead of fp(n) in leaf functions.
(USE_MOVQ, use_movq): Function replaced by macro.
* m68k.md (pushexthisi_const, movsi_const0): New names.
(andsi3, iorsi3): Allow only 'M', not 'K' constants, if dest is 'd'.
Mon Mar 18 19:33:20 1996 Fila Kolodny <[email protected]>
* i370/t-mvs: New file.
* configure (i370-*-mvs*): Use it.
* i370/mvs.h (FUNCTION_PROLOGUE): LE/370 takes 120 bytes for DSA.
Have only one copy of timestamp and PPA2 per object module.
Only have unnamed CSECT to match IBM C.
Mon Mar 18 19:26:21 1996 Paul Russell ([email protected])
* combine.c (simplify_if_then_else): Allow for case that
condition might no longer be a condition.
Mon Mar 18 19:14:42 1996 Richard Kenner ([email protected])
* c-typeck.c (build_conditional_expr): If OP1 is null, set
both OP1 and ORIG_OP1 to IFEXP.
* c-iterate.c (iterator_loop_epilogue): Don't clear DECL_RTL
for a static decl.
Mon Mar 18 08:02:25 1996 Stephen L Moshier <[email protected]>
* alpha.c (summarize_insn, case SUBREG, CONST_*): New cases.
Sun Mar 17 16:55:00 1996 Doug Evans <[email protected]>
* combine.c (find_split_point): Handle NULL return from
make_extraction.
(make_field_assignment): Likewise.
Sat Mar 16 18:56:47 1996 Richard Kenner ([email protected])
* tree.c (substitute_in_expr, case COMPONENT_REF): Ignore
if inner PLACEHOLDER_EXPR has not yet been initialized.
* i386.c (standard_80386_constant_p): -0.0 is not 0.0.
* i386.md (insv): Restore missing end of comment.
* combine.c (make_extraction): Correct typo in force_to_mode
call in previous change.
Return 0 if pos+len out of range of want desired mode.
Sat Mar 16 16:20:43 1996 David Mosberger-Tang <[email protected]>
* alpha.md (trap): New attribute.
Modify patterns for all floating-point trap generating instructions.
* alpha.h (CPP_SPEC): Added -mieee and -mieee-with-inexact.
(alpha_trap_precision, alpha_fp_rounding_mode, alpha_fp_trap_mode):
New enum types.
(target_flags, alpha_tp, alpha_fprm, alpha_fptm): New external vars.
(alpha_fprm_string, alpha_fptm_string, alpha_tp_string): Likewise.
(TARGET_IEEE{,_WITH_INEXACT,_CONFORMANT}): New macros.
(MASK_IEEE{,_WITH_INEXACT,_CONFORMANT}): Likewise.
(MASK_FP, MASK_FPREGS,
(TARGET_SWITCHES): Added "ieee-conformant", "ieee", and
"ieee-with-inexact"; use MASK symbols.
(TARGET_OPTIONS): New macro.
(OVERRIDE_OPTIONS, FINAL_PRESCAN_{INSN,LABEL}): New macros.
(PRINT_OPERAND_PUNCT_VALID_P): Allow operand codes for FP insns.
(CC1_SPEC): New macro.
* alpha.c (alpha_tp, alpha_fprm, alpha_fptm): New variables.
(alpha_tp_string, alpha_fprm_string, alpha_fptm_string
(trap_pending): Likewise.
(override_options, summarize_insn, final_prescan_insn): New functions.
(print_operand): Handle cases '&', '\'', ')', and '+'.
(output_prolog): Emit ".eflag 48" if TARGET_IEEE_CONFORMANT.
(output_epilog): Call final_prescan_insn before emitting epilog.
* final.c (final_scan_insn, case CODE_LABEL): Invoke
FINAL_PRESCAN_INSN if FINAL_SCAN_LABEL is defined.
* alpha/{linux.h,x-linux,xm-linux.h}: New files.
* configure (alpha-*-linux*): New case.
* alpha.c (output_prolog): Set alpha_function_needs_gp if profiling
and TARGET_PROFILING_NEEDS_GP defined.
Thu Mar 14 22:28:20 1996 David Edelsohn <[email protected]>
* rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Fix last change.
* aix41.h (LINK_SPEC): add -bnoentry if shared and no explicit entry.
Thu Mar 14 12:47:33 1996 Jim Wilson <[email protected]>
* mips.h (ASM_OUTPUT_DOUBLE_INT): Use 'X' if CONST_INT and
HOST_BITS_PER_WIDE_INT == 64.
* mips.c (mips_expand_prologue): Change TYPE_NEEDS_CONSTRUCTING to
TREE_ADDRESSABLE;
Thu Mar 14 11:21:37 1996 Michael Meissner <[email protected]>
* rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): For 32-bit mode,
allow TImode variables with int offsets, so that structures
greater than 8 bytes and less than or equal to 16 bytes can be
instantiated correctly.
* rs6000.c (rs6000_valid_type_attribute_p): Add exception
attribute for Windows NT.
* win-nt.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete, merge into
ASM_DECLARE_FUNCTION_NAME.
(ASM_DECLARE_FUNCTION_NAME): Add support for exception attribute
setting fields 3 & 4 of the structured exception handling table.
Thu Mar 14 01:53:19 1996 Jeffrey A. Law <[email protected]>
* pa.h (ASM_DECLARE_FUNCTION_NAME): Change TYPE_NEEDS_CONSTRUCTING
to TREE_ADDRESSABLE. From Jim Wilson.
Wed Mar 13 13:40:32 1996 Jim Wilson <[email protected]>
* c-tree.h (warn_sign_compare): Add extern to declaration.
Wed Mar 13 13:37:00 1996 Doug Evans <[email protected]>
* configure: Use cross-make and build-make if building
cross compiler with cross compiler.
Wed Mar 13 12:00:34 1996 Michael Meissner <[email protected]>
* i386/cygwin32.h (ASM_OUTPUT_ALIGN): Correct defination.
* rs6000/{win-nt,cygwin32}.h (STARTFILE_SPEC): Add crti.o before
all objects.
(ENDFILE_SPEC): Add crtn.o after all objects.
* configure (powerpcle-*-cygwin32): Use t-winnt, not t-cygin32
* rs6000/t-cygwin32: Delete, no longer used.
* rs6000/t-winnt ({,INSTALL_}LIBGCC): Build and install crti.o and
crtn.o.
* rs6000/win-nt.h (EXTRA_SECTION_FUNCTIONS): Add ctors_section and
dtors_section.
(INVOKE__main): Define, so that __main is called.
(ASM_OUTPUT_{CONSTRUCTOR,DESTRUCTOR}): Define to put pointers to
the constructor/destructor in the appropriate section.
* nt-c{i,n}.asm: New files to be linked before/after all of the users'
objects.
Wed Mar 13 00:42:17 1996 Per Bothner <[email protected]>
* dbxout.c (dbxout_type): Better "variant" handling to ignore
const/volatile but not typedef names. Improves Feb 12 change.
Tue Mar 12 17:25:14 1996 David Mosberger-Tang <[email protected]>
* glimits.h (__LONG_MAX__): On Alpha, use 64 bit value.
Tue Mar 12 15:07:49 1996 Torbjorn Granlund <[email protected]>
* m68k.c (valid_dbcc_comparison_p): Don't test cc_prev_status here.
(flags_in_68881): New function.
* m68k.md (dbra peepholes): Use flags_in_68881.
Tue Mar 12 13:54:15 1996 Richard Kenner ([email protected])
* sparc.md (nonlocal_goto): Emit barrier after jump.
(setjmp{,_64,_32}): New patterns.
Tue Mar 12 12:43:27 1996 Jim Wilson <[email protected]>
* i960.h (ROUND_TYPE_SIZE): Return round_up result instead of
COMPUTED.
* expr.c (expand_expr, case COMPONENT_REF): For unaligned object in
an aligned union, delete check for EXPAND_SUM.
* expr.h (clear_storage): Add comment terminator.
Mon Mar 11 19:07:50 1996 Jeffrey A. Law <[email protected]>
* recog.c (constrain_operands, case 'V'): Don't call
offsettable_memref_p before reload has completed.
Mon Mar 11 16:06:13 1996 Doug Evans <[email protected]>
* h8300.h (SP_AND_G_REGS): Renamed from SP_AND_G_REG.
(CC_DONE_CBIT): Delete.
(CC_OVERFLOW_0,CC_OVERFLOW_UNUSABLE,CC_NO_CARRY): Define.
* h8300.c (cond_string): Delete CC_DONE_CBIT handling.
(notice_update_cc): Delete CC_CBIT, CC_WHOOPS. Add CC_SET_ZN_C0.
(restore_compare_p): New function.
(shift_one): Use shll instead of shal so overflow bit is usable.
Set cc_valid bits to cc_status.flags values.
(emit_a_shift): Set cc_status.flags.
* h8300.md (attr cc): Delete whoops,cbit. Add set_zn_c0.
(all patterns) Update cc attr setting.
(tstqi,tsthi,tstsi): Delete CC_DONE_CBIT handling.
(addhi3,subhi3): Change define_expand to define_insn.
(branch_true,branch_false): Check if compare needs to be restored.
Mon Mar 11 13:55:23 1996 Michael Meissner <[email protected]>
* rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Add 'H' for movdi
patterns in 32 bit that generate 3 instructions.
(num_insns_constant): Add declaration.
* rs6000.c (num_insns_constant{,_wide}) Functions to determine the
number of insns it takes to generate an integer constant.
(easy_fp_constant): Allow DImode in easy constants. Use
num_insns_constant_wide.
(input_operand): Allow any CONST_{INT,DOUBLE}'s for {SI,DI}mode.
* rs6000.md (movdi): Generate a normal movdi using a CONST_DOUBLE
for 32 bit mode rather than using SUBREG's. For 64 bit mode,
break large integer constants into smaller pieces. Add various
define_splits to handle loading the various DImode constants.
Mon Mar 11 06:54:19 1996 Richard Kenner ([email protected])
* combine.c (make_extraction): Use proper mode for INNER in all cases.
(simplify_comparison, case ZERO_EXTRACT): For bits big endian and
no extzv, use BITS_PER_WORD.
* fx80.md, gmicro.md, i386.md, m68k.md, tahoe.md, vax.md:
Use proper modes and predicates for {sign,zero}_extract.
Sun Mar 10 06:23:52 1996 J"orn Rennecke ([email protected])
* emit-rtl.c (free_insn): New variable.
(init_emit, restore_emit_status): Clear it.
(gen_sequence): Store insn in free_insn when sequence length is 1.
(make_insn_raw): Use free_insn if available and still in the
rtl generation phase.
Fri Mar 8 15:37:31 1996 Mike Stump <[email protected]>
* expr.c (expand_expr, case TARGET_EXPR): Delay putting the cleanup
on the cleanup chain until after the subexpression has been expanded.
Fri Mar 8 16:14:51 1996 J"orn Rennecke ([email protected])
* i386.c (ix86_binary_operator_ok): One memory operand is OK.
This is independent of commutativity.
Fri Mar 8 14:07:43 1996 Jim Wilson <[email protected]>
* expr.c (store_constructor_field): Call store_field if bitpos is
nonzero and target is not a MEM.
* jump.c (jump_optimize): When handle a USE insn before an
unconditional jump, disable the optimization if the USE is the
only insn in the loop.
* sh.c (reg_unused_after): Return 0 if see a JUMP_INSN.
Fri Mar 8 12:08:36 1996 Doug Evans <[email protected]>
* sparc/lynx.h (CPP_SPEC): Use %(cpp_cpu).
* sparc/sparc.md (move_pic_label_si,move_label_di): Rewrite length
attr calcs to be more conservative.
Thu Mar 7 19:14:21 1996 Doug Evans <[email protected]>
* sparc/t-splet: New file.
* sparc/splet.h: New file.
* configure (sparclet-*-aout*): Use them.
* sparc.h (MASK_LIVE_G0,TARGET_LIVE_G0): Define.
(FIRST_PSEUDO_REGISTER): Add 1 for %icc (now 101).
(FIXED_REGISTERS,CALL_USED_REGISTERS): Update.
(FIXED_REGISTERS): %g0 is fixed by default.
(SPARC_{FIRST,LAST}_V9_FCC_REG): Define.
(SPARC_{ICC,FCC}_REG): Define.
(CONDITIONAL_REGISTER_USAGE): Don't fix %fcc0 if v8.
(REG_CLASS_CONTENTS): Reg 0 is an int reg, reg 100 is %icc.
(REGNO_REG_CLASS): Rewrite to use global `sparc_regno_reg_class'.
(REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER,LEAF_REGISTERS): Add %icc.
(REG_CLASS_FROM_LETTER): Handle 'c' for FPCC_REGS in non-v9 case.
(REGNO_OK_FOR_{BASE,INDEX}_P): Treat %g0 as a normal reg.
(REG_OK_FOR_{BASE,INDEX}_P,EXTRA_CONSTRAINT): Likewise.
(REGISTER_NAMES): Add %icc.
(ADDITIONAL_REGISTER_NAMES): Use SPARC_ICC_REG.
* sparc.c (leaf_reg_remap): Add %icc=100.
(reg_or_0_operand): Don't allow 0 if TARGET_LIVE_G0.
(fcc_reg_operand): Renamed from ccfp_reg_operand.
Use SPARC_FCC_REG. Don't treat reg 0 as an fcc reg. Don't match
modes if `mode' argument is VOIDmode.
(icc_or_fcc_reg_operand): New function.
(gen_compare_reg): Use SPARC_FCC_REG for v8 fp compares.
Use SPARC_ICC_REG for int compares.
(eligible_for_epilogue_delay): Don't allow anything if TARGET_LIVE_G0.
Delete unnecessary test for %g0.
(emit_move_sequence): Don't emit (set (mem) (const_int 0)) if
TARGET_LIVE_G0.
(output_scc_insn): Label moved to operand 3. Condition code reg
moved to operand 2.
(sparc_mode_class): Enum C_MODE renamed to CC_MODE.
(hard_32bit_mode_classes): Set reg 0 to S_MODES. Add entry for %icc.
(hard_64bit_mode_classes): Set reg 0 to D_MODES. Add entry for %icc.
(sparc_regno_reg_class): New global.
(sparc_init_modes): Initialize it.
(output_cbranch): Delete fp_cond_reg argument.
(print_operand, MEM op): Don't print "%g0+" if TARGET_LIVE_G0.
(sparc_flat_eligible_for_epilogue_delay): Don't allow anything if
TARGET_LIVE_G0.
* sparc.md (live_g0): New attribute.
(*): Integer condition code register is now reg 100.
Use SPARC_ICC_REG instead of hardcoding reg 100 where possible.
Non-v9 floating point condition code register is now reg 96.
(*cmp{sf,df,tf}_{fpe,fp}_sp{32,64}): Combine v9/non-v9 cases.
(*{normal,inverted}_{,fp,fpe}_branch): Update call to output_cbranch.
(*mov{qi,hi,si}_insn): Don't use if TARGET_LIVE_G0.
(*mov{qi,hi,si}_insn_liveg0): New patterns.
(*mov{si,di,sf,df,tf}_ccfp{,e}_sp64): ccfp_reg_operand renamed to
fcc_reg_operand.
(*negdi2_sp32,negsi2,one_cmplsi2,ffssi2): Ensure %%g0 is 0 if
TARGET_LIVE_G0.
(*one_cmpldi2_sp32): Move operand 1 to rs1 and use 0 as rs2.
(patterns that use %g0 in rs2): Use 0 immediate value instead.
(patterns that read %g0): Don't use if TARGET_LIVE_G0.
Thu Mar 7 15:39:16 1996 Jim Wilson <[email protected]>
* sh.h (PASS_IN_REG_P): Change < to <=.
* va-sh.h (va_start): Change __SH3E___ to __SH3E__.
(va_arg): Add little-endian SH3E support. Fix big-endian version
to work for arguments smaller than the word size.
Thu Mar 7 10:37:37 1996 Jeffrey A. Law <[email protected]>
* lib2funcs.asm: Remove entry/exit routines. Move them into...
* ee.asm: New file. Entry/exit code.
* ee_fp.asm: New file. Entry/exit code with frame pointer.
* t-pa: Corresponding changes.
* t-pro: Corresponding changes.
* pa.c: Fix misc small typos/thinkos in recent changes.
Wed Mar 6 17:36:03 1996 Jason Merrill <[email protected]>
* cplus-dem.c (demangle_template): Fix for address-of-extern arguments.
Wed Mar 6 15:12:55 1996 Jeffrey A. Law <[email protected]>
* t-pro (dp-bit rule): Fix typo.
* lib2funcs.asm (__outline_prologue): Remove frame pointer
support.
(__outline_prologue_fp): Out of line prologue with frame pointer.
(__outline_epilogue, outline_epilogue_fp): Similarly.
* pa.c (compute_frame_size): Allocate enough space to avoid holes
in the callee register saves. Remove some special handling of %r3.
(hppa_expand_prologue): Don't do an out of line prologue/epilogue
if it would take more insns than an inline prologue/epilogue.
Don't leave holes in the callee register save set.
(hppa_expand_prologue): Corresponding changes. Pass stack size
to out of line epilogue code.
* pa.h (FRAME_POINTER_REQUIRED): Revert last change.
* pa.md (outline_prologue_call): Handle outline prologues which
don't need frame pointers.
(outline_epilogue_call): Similarly.
* t-pro: Reenable multilib code. Build a set of libraries that
optimize for space.
Wed Mar 6 14:28:14 1996 Jim Wilson <[email protected]>
* Makefile.in (USER_H): Add ginclude/va-sh.h.
* ginclude/stdarg.h, ginclude/varargs.h: Use va-sh.h.
* ginclude/va-sh.h: New file.
* sh.h (PASS_IN_REG_P): Fix typo in last change.
Wed Mar 6 11:42:06 1996 David Edelsohn <[email protected]>
* rs6000.h (enum processor_type): Remove PROCESSOR_PPC602.
(RTX_COSTS): Remove PROCESSOR_PPC602. PPC603 MULT cost depends
on constant and domain.
* rs6000.c (processor_target_table): 602 uses PROCESSOR_PPC603.
(get_issue_rate): Remove CPU_PPC602.
* rs6000.md (function units): Remove PPC602. Add store and
fpstore type attribute values. Update patterns.
Tue Mar 5 18:43:43 1996 Richard Henderson <[email protected]>
* m68k/coff.h (ASM_OUTPUT_SECTION_NAME): New define.
* m68k/{aux-crt1.c,aux-crt[2n].asm}: New files.
* m68k/{aux-exit.c,aux-low.gld,aux-mcount.c}: More new files.
* m68k/{aux.h,auxgnu.h,auxstd.h}: Even more new files.
* m68k/{t-aux,xm-aux.h}: The rest of the new files.
* m68k/sgs.h (ASM_OUTPUT_CASE_END): Add missing semicolon.
(switch_table_difference_label_flag): Make extern.
* fixincludes (sys/param.h): Fix c89 __asm statements.
* configure (m68k-apple-aux*): New target.
Tue Mar 5 17:38:19 1996 Doug Evans <[email protected]>
* sparc.md (*mov{qi,hi,si}_insn): Simplify length attribute.
(*movsi_insn): Use fpload/fpstore attributes for fp loads/stores.
%r1 -> %1 for fpstore alternative.
(*movsf_insn,*movsf_no_f_insn): %r1 -> %1.
Tue Mar 5 17:19:17 1996 Jason Merrill <[email protected]>
* expr.c (expand_expr, case *_DECL): If we make a non-local
reference from a function with DECL_NO_STATIC_CHAIN set, abort.
(expand_expr, case ADDR_EXPR): We don't need a trampoline for a
function with DECL_NO_STATIC_CHAIN set.
* function.c (lookup_static_chain): If we're checking on a function
that doesn't need a static chain, return 0.
(init_function_start): We don't need context if DECL_NO_STATIC_CHAIN
is set.
* tree.c (staticp): Check DECL_NO_STATIC_CHAIN on nested functions.
Tue Mar 5 15:04:29 1996 Jim Wilson <[email protected]>
* sh.md (push_e, pop_e): Add TARGET_SH3E to condition.
* sh.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
* sh.c (find_barrier): Set si_limit to 1018 instead of 1020, and
hi_limit to 510 instead of 512.
Tue Mar 5 13:39:44 1996 Doug Evans <[email protected]>
* loop.c (init_loop): Use pseudo reg in add_cost computation
so cost doesn't vary depending on whether reg 0 happens to be
fixed or not.
Tue Mar 5 09:32:24 1996 J"orn Rennecke ([email protected])
* reg-stack.c (record_label_references): Check for undefined label.
Tue Mar 5 09:22:20 1996 Scott Christley ([email protected])
* objc/objc-api.h, objc/runtime.h: Include objc/thread.h.
* objc/class.c (__objc_init_class_tables): Surround sarray access
with mutex lock/unlock.
(__objc_add_class_to_hash, objc_lookup_class): Likewise.
(objc_get_class, objc_get_next_class): Likewise.
(__objc_resolve_class_links, class_pose_as): Likewise.
* objc/init.c (__objc_runtime_mutux, __objc_runtime_thread_alive):
New variables.
(objc_init_statics, __objc_init_protocols): Surround sarray access
with mutex lock/unlock
(__objc_exec_class): Likewise.
Initialization for thread-safe global variables.
Declarations for thread-safe functions and global variables
* objc/sendmsg.c (get_imp, __objc_responds_to):
Surround sarray access with mutex lock/unlock.
(__objc_init_install_dtable): Likewise.
(__objc_update_dispatch_table_for_class): Likewise.
(__objc_print_dtable_stats): Likewise.
* objc/selector.c (sel_get_typed_uid, sel_get_any_typed_uid): Likewise.
(sel_get_any_uid, sel_get_name, sel_register_name): Likewise.
(sel_register_typed_name): Likewise.
* objc/sarray.h (union sversion): New.
(struct sarray): Maintain multiple versions.
(sarray_remove_garbage): Add prototype.
* objc/sarray.c (sarray_{remove,free}_garbage): New functions.
(sarray_at_put, sarray_new, sarray_lazy_copy):
Modify/copy sarray structure/data in a thread-safe manner
(sarray_{realloc,free}): Reallocate/free sarray structure/data in a
thread-safe manner.
* objc/THREADS, objc/thread.c, objc/thread.h: New files.
* objc/thread-{decosf1,irix,solaris,win32,single}.c: New files.
* objc/objc-list.h: Renamed from objc/list.h.
* objc/Makefile: Changes to compile new files and name renaming.
* objc/makefile.dos: Likewise.
Tue Mar 5 07:51:31 1996 Richard Kenner ([email protected])
* bc-emit.c, bc-optab.c (free): Delete declaration of library function.
* c-decl.c (duplicate_decl): If making decl non-external, copy
context from old to new.
Tue Mar 5 02:27:35 1996 Jeffrey A. Law <[email protected]
* lib2funcs.asm (__outline_prologue): New "function".
(__outline_epilogue): New "function".
* pa.h (TARGET_SPACE): Define.
(target_flags): Add -mspace and -mno-space. Enable/disable
space saving optimizations.
(FRAME_POINTER_REQUIRED): Frame pointers are always required
when generating out of line prologues and epilogues.
* pa.c (compute_frame_size): Handle out of line prologues/epilogues.
(hppa_expand_prologue): If optimizing for space, emit an out of
line prologue.
(hppa_expand_epilogue): Similarly.
(override_options): Optimizing for space is not compatable with
either profiling or PIC code generation.
* pa.md (outline_prologue_call): New pattern.
(outline_epilogue_call): Likewise.
Tue Mar 5 02:17:32 1996 Doug Evans <[email protected]>
* sparc.md (*cmp{si,di}_insn): %r0 -> %0.
(DFmode move define_split): Ensure registers not extended v9 fp regs.
(*mov{sf,df,tf}_cc_reg_sp64): %r3 -> %3.
Mon Mar 4 18:46:37 1996 Manfred Hollstein <[email protected]>
* Makefile.in (CRT0STUFF_T_CFLAGS): New macro.
(stamp-crt0, crt0.o, mcrt0.o): New goals.
(STAGESTUFF): stamp-crt0 added.
* collect2.c (main): Check new define DEFAULT_A_OUT_NAME.
* m68k.c (print_operand): Emit .l as scale factor #ifdef MOTOROLA.
* m68k/mot3300-crt0.S, m68k/mot3300Mcrt0.S: New files.
* m68k/mot3300g.h: Deleted.
* m68k/mot3300.h (FUNCTION_PROFILER): Emit label references
corresponding to those generated by ASM_OUTPUT_INTERNAL_LABEL.
(MOTOROLA, MOTOROLA_BSR, ...): Define #ifndef USE_GAS.
(ASM_SPEC): Define properly #ifdef USE_GAS.
(LIB_SPEC): -L/usr/lib/libp deleted.
(STARTFILE_SPEC): -L/usr/lib/libp added.
(DEFAULT_A_OUT_NAME): Define.
(LINK_SPEC): Pass -v if GNU ld is used.
(LOCAL_LABEL_PREFIX): Local labels start with .L using GAS, else L%.
(USER_LABEL_PREFIX): Undefine.
(FUNCTION_PROFILER): Call asm_fprintf instead of normal fprintf.
(ASM_APP_ON, ASM_FILE_START): GAS supports it.
(CTORS_.../DTORS_...): Define if GNU ld is used.
(ASM_FILE_START): Define properly for Motorola and GNU as syntax.
(TARGET_VERSION): Re-define only #ifndef USE_GAS.
(CALL_USED_REGISTERS): Deleted.
(GLOBAL_ASM_OP): Re-define only #ifndef USE_GAS.
(ASM_{LONG,SHORT,CHAR,BYTE,BYTE_OP}): New macros.
(ASM_OUTPUT_{DOUBLE,LONG_DOUBLE,FLOAT,INT,SHORT}): Use them.
(ASM_OUTPUT_{CHAR,BYTE,ASCII,FLOAT_OPERAND,DOUBLE_OPERAND}): Likewise.
(ALIGN_ASM_OP, SKIP_ASM_OP): New macros.
(ASM_OUTPUT_{ALIGN,SKIP}): Use them.
(ASM_OUTPUT_SOURCE_FILENAME): Define only if not using GNU as.
(ASM_{GENERATE,OUTPUT}_INTERAL_LABEL): Provide proper definitions for
Motorola and GNU as syntax.
(ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Changed for portability between
Motorola and GNU as syntax.
(ASM_OUTPUT_{CASE_LABEL,OPCODE}): Define only if not using GNU as.
(ASM_OUTPUT_CASE_FETCH, ASM_RETURN_CASE_JUMP): New macros.
(ASM_OUTPUT_{COMMON,LOCAL}): Proper defns for Motorola and gas syntax.
(SDB_...): Define only for Motorola as.
(ALT_LIBM): New define to tell g++.c about an alternative name for
`-lm'.
(MATH_LIBRARY, NEED_ATEXIT, HAVE_ATEXIT, EXIT_BODY): New macros.
* m68k/t-mot3300, m68k/t-mot3300-{gald,gas,gld}: New files.
* m68k/x-mot3300-gas: New file.
* m68k/xm-mot3300.h (USG): Set to 1.
* configure (m68k-motorola-sysv*): Keep track of new different
combinations (--with-gnu-...), and provide proper definitions for
tm_file, xmake_file, tmake_file, use_collect2, and extra_parts.
* gbl-ctors.h (HAVE_ATEXIT): Define if NEED_ATEXIT is defined.
(atexit): Use `int atexit' prototype also if NEED_ATEXIT is defined.
(on_exit): According to man on_exit on the Sun it returns int not void.
* libgcc2.c (L_bb/atexit, onexit): Declarations replaced by
#include'ing "gbl-ctors.h".
(L_exit/atexit): New function.
(L_exit/exit): Call any registered functions.
Mon Mar 4 18:03:38 1996 Bryan Ford ([email protected])
* configure (i[3456]86-moss-msdos*): New target.
* i386/moss.h: New file.
Mon Mar 4 17:38:50 1996 Jim Wilson <[email protected]>
* sh.h (PASS_IN_REG_P): Don't reject BLKmode for SH3e.
For SH3e, do reject parameter that won't fit entirely in registers.
* sh.md (mulhisi3-2, mulhisi3-1, mulsidi3_i, umulsidi3_i,
smulsi3_highpart, umulsi3_highpart): Renames operands 1/2 to 0/1.
(mulsidi3, umulsidi3): Add support for TARGET_LITTLE_ENDIAN.
* sh.c (machine_dependent_reorg): In TARGET_RELAX code, when scan
forward from LINK, fail if pass a CODE_LABEL before finding INSN.
Fail if SCAN not INSN is a JUMP_INSN.
Mon Mar 4 11:27:10 1996 Michael Meissner <[email protected]>
* rs6000.h (CALL_LONG): Change CALL_xx values from an enumeration
to bitmasks. Add CALL_LONG to support longcall attributes.
(rs6000_args): Call_cookie field is now an int.
(rs6000_longcall_ref): Add declaration.
* rs6000.c (init_cumulative_args): Add support for longcall
attributes to always call through a pointer.
(function_arg): Ditto.
(rs6000_valid_type_attribute_p): Ditto.
(rs6000_longcall_ref): New function for long calls.
* rs6000.md (call insns): Add support for longcall attributes.
Mon Mar 4 08:42:14 1996 J"orn Rennecke ([email protected])
* real.c (significand_size): Don't test the modes, but their sizes.
* dwarfout.c (xstrdup): Moved from here.
* toplev.c (xstrdup): New function.
* tree.h (xstrdup): Declare.
* bc-emit.c (bc_xstrdup): Delete.
* expr.c (bc_strdup): Delete.
(bc_load_externaddr_id): Use xstrdup instead of bc_xstrdup.
* function.c (bc_expand_function_start): Likewise.
* 1750a.c (strdup): Delete.
(float_label): Use xstrdup instead of strdup.
* 1750a.h (xstrdup): Declare instead of instead of strdup.
(ASM_OUTPUT_LABEL): Use xstrdup instead of strdup.
(FIX_FRAME_POINTER_ADDRESS): Don't use DEPTH in string.
Mon Mar 4 08:23:23 1996 Richard Kenner <[email protected]>
* xm-we32k.h (NO_WAIT_H): Deleted.
* collect2.c: Never include wait.h.
Sat Mar 2 22:43:07 1996 Torbjorn Granlund <[email protected]>
* configure (code for making links): Work around sh bug on FreeBSD.
Sat Mar 2 13:40:29 1996 Jeffrey A. Law <[email protected]>
* h8300.h (BIGGEST_FIELD_ALIGNMENT): Replace uses of
TARGET_ALIGN_STRUCT_300 with TARGET_ALIGN_300.
(BIGGEST_ALIGNMENT): Likewise.
Sat Mar 2 08:04:50 1996 Richard Kenner ([email protected])
* calls.c (expand_call): If passing by invisible ref, not const.
* sparc.c (SKIP_CALLERS_UNIMP_P): Make agree with test used in call.
* expr.c (do_jump, case COMPOUND_EXPR): Call preserve_temp_slots.
* fold-const.c (fold, case *_DIV_EXPR): Ignore SAVE_EXPR if has RTL.
Fri Mar 1 17:59:17 1996 Jeffrey A. Law <[email protected]>
* optabs.c (emit_cmp_insn): Immediately copy the return
value from the library call into a pseudo register.
(emit_float_lib_cmp): Likewise.
Fri Mar 1 14:37:40 1996 Michael Meissner <[email protected]>
* rs6000/sysv4.h (BSS_SECTION_ASM_OP): Define.
(*_SECTION_ASM_OP): Change tab after .section into a space.
(ASM_OUTPUT_INT): Ditto.
(ASM_OUTPUT_ALIGNED_LOCAL): Rewrite to use bss_section.
(ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and
ASM_OUTPUT_ALIGNED_LOCAL.
* rs6000/win-nt.h (BSS_SECTION_ASM_OP): Define.
(ASM_OUTPUT_ALIGNED_LOCAL): Define.
(ASM_OUTPUT_LOCAL): Don't define any more.
(ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and
ASM_OUTPUT_ALIGNED_LOCAL.
Thu Feb 29 17:33:12 1996 Jim Wilson <[email protected]>
* c-typeck.c (push_init_level): When output padding to align structure
field, set constructor_unfilled_fields.
* dbxout.c (dbxout_type, case METHOD_TYPE): Add CHARS (1) call
after emitting second '#' character.
Thu Feb 29 13:59:27 1996 Doug Evans <[email protected]>
* h8300.h (ASM_OUTPUT_BSS): Define.
* m68k/coff.h (BSS_SECTION_ASM_OP): Define.
(ASM_OUTPUT_ALIGNED_BSS): Define.
* m68k/m68k-aout.h (BSS_SECTION_ASM_OP): Define.
(ASM_OUTPUT_BSS): Define.
Thu Feb 29 13:39:39 1996 Per Bothner <[email protected]>
* varasm.c (compare_constant_1): For a SET_TYPE CONSTRUCTOR,
first extract and compare the set length.
* varasm.c (record_constant_1): For SET_TYPE CONSTRUCTOR,
permanent_obstack.next_free is *end* of available space.