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ChangeLog
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2004-03-23 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* Makefile.in (LIBGCOV): Add _gcov_fork, _gcov_execl, _gcov_execlp,
_gcov_execle, _gcov_execv, _gcov_execvp, _gcov_execve.
* builtin-types.def (BT_PID, BT_PTR_CONST_STRING, BT_FN_PID,
BT_FN_INT_CONST_STRING_PTR_CONST_STRING,
BT_FN_INT_CONST_STRING_PTR_CONST_STRING_PTR_CONST_STRING): New.
* builtins.c (expand_builtin_fork_or_exec): New.
(expand_builtin): Call it.
* builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP,BUILT_IN_EXECLE,
BUILT_IN_EXECV, BUILT_IN_EXECVP, BUILT_IN_EXECVE, BUILT_IN_FORK): New.
* c-common.c (PID_TYPE): New macro.
(c_common_nodes_and_builtins): Initialize pid_type_node.
* calls.c (special_function_p): Do not handle fork and exec.
(expand_call): Do not handle ECF_FORK_OR_EXEC.
* gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
__gcov_execv, __gcov_execvp, __gcov_execve): Declare.
* libgcov.c (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
__gcov_execv, __gcov_execvp, __gcov_execve): New.
* tree.h (enum tree_index): Add TI_PID_TYPE.
(pid_type_node): New macro.
(ECF_FORK_OR_EXEC): Removed.
2004-04-23 Eric Botcazou <ebotcazou@libertysurf.fr>
PR optimization/13985
* cfgloopmanip.c (fix_loop_placements): New prototype.
Call fix_bb_placements on the preheader of loops that have
been reparented.
(remove_path): Adjust call to fix_loop_placements.
2004-04-23 Andrew Pinski <pinskia@physics.uc.edu>
* config/darwin7.h: New file.
* config.gcc (*-*-darwin*): Add darwin7.h if the
version is greater than 6.
* config/darwin.h (TARGET_C99_FUNCTIONS): Define.
(MATH_LIBRARY): Wrap in ifdefs.
2004-04-23 Daniel Jacobowitz <drow@mvista.com>
* config/arm/arm.c (arm_output_epilogue): Reverse the order of
loading iWMMXt registers with a frame pointer. Use post-increment
without a frame pointer.
(arm_expand_prologue): Reverse the order of saving iWMMXt registers.
2004-04-23 Paolo Bonzini <bonzini@gnu.org>
* doc/invoke.texi (Optimize Options): Refer to "unit-at-a-time
mode" rather than "-funit-at-a-time" since -O2 enables it
without requiring -f* options. Refer to -fprofile-generate and
-fprofile-use correctly. Move -funit-at-a-time among options
enabled by -O. Add information about unit-at-a-time caveats.
2004-04-22 Per Bothner <per@bothner.com>
* line-map.h (struct line_maps): New field highest_line.
(linemap_position_for_column): Make non-inline function.
(LINEMAP_POSITION_FOR_COLUMN): New macro.
* line-map.c (linemap_init): Clear highest_line field.
(linemap_add): Set highest_line field.
(linemap_line_start): Minor optimization - use highest_line field.
Reduce maximum column hint to 10000. Update highest_line field.
(linemap_position_for_column): Moved from line-map.h. Optimize a bit.
* cpphash.h (struct cpp_reader): Remove line field - instead use
line_table->highest_line.
(saved_line): Remove unused field.
(CPP_INCREMENT_FILE): Don't do linemap_lookup - just use newest map.
Use line_table's highest_line field instead of cpp_reader's line.
* cpplib.c (start_directive): Likewise use highest_line field.
(do_line, do_linemarker): Likewise just use newest map.
(_cpp_do_file_change): Don't need to set cpp_reader's line field.
* cpperror.c (cpp_error): Likewise use highest_line field.
* cppfiles.c (open_file_failed: Likewise.
(cpp_make_system_header): Likewise use newest map and highest_line.
* cppinit.c (cpp_create_reader): Don't initialize removed field.
* cpplex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
skip_line_comment, skip_whitespace, _cpp_get_fresh_line,
_cpp_lex_direct): Likewise use highest_line.
(_cpp_lex_direct): Use new LINEMAP_POSITION_FOR_COLUMN macro.
* cppmacro.c (_cpp_builtin_macro_text): Likewise use highest_line,
and use newest map.
* cpppch.c (cpp_read_state): Don't save+restore cpp_reader's line.
* cpptrad.c (_cpp_overlay_buffer): Don't save cpp_reader's line.
(copy_comment, _cpp_scan_out_logical_line): Likewise use highest_line.
2004-04-23 Alan Modra <amodra@bigpond.net.au>
PR bootstrap/14992
* gcc.c (init_gcc_specs): Test USE_LD_AS_NEEDED, not HAVE_LD_AS_NEEDED.
* config/linux.h (USE_LD_AS_NEEDED): Define.
* gcc/config/alpha/linux.h (USE_LD_AS_NEEDED): Define.
* gcc/config/arm/linux-elf.h (USE_LD_AS_NEEDED): Define.
* gcc/config/rs6000/linux.h (USE_LD_AS_NEEDED): Define.
* gcc/config/rs6000/linux64.h (USE_LD_AS_NEEDED): Define.
* gcc/config/sh/linux.h (USE_LD_AS_NEEDED): Define.
* gcc/config/sparc/linux.h (USE_LD_AS_NEEDED): Define.
* gcc/config/sparc/linux64.h (USE_LD_AS_NEEDED): Define.
2004-04-22 Per Bothner <per@bothner.com>
* cppinit.c (cpp_read_main_file): Return NULL rather than false.
Fixes PR preprocessor/15067.
2004-04-23 Andreas Schwab <schwab@suse.de>
* config/ia64/ia64intrin.h: Add intermediate cast to void * to
avoid aliasing warning.
2004-04-22 Jan Hubicka <jh@suse.cz>
Mostafa Hagog <mustafa@il.ibm.com>
* cfgloopmanip.c (scale_bbs_frequencies): Use RDIV macro
* cfgloopanal.c (expected_loop_iterations): Change the return value
2004-04-22 Jakub Jelinek <jakub@redhat.com>
* cselib.h (struct elt_loc_list): Remove canon_loc field.
* cselib.c (new_elt_loc_list): Remove canon_loc initialization.
(cselib_invalidate_mem): Remove all canon_loc and canon_x
traces.
2004-04-22 Josef Zlomek <zlomekj@suse.cz>
Revert
2004-04-20 Josef Zlomek <zlomekj@suse.cz>
* var-tracking.c (variable_part_different_p): Variable parts
differ when the most recent locations differ.
2004-04-22 Richard Sandiford <rsandifo@redhat.com>
* doc/invoke.texi: Remove the MIPS -membedded-pic option.
* config/mips/mips-protos.h (embedded_pic_fnaddr_reg): Delete.
(embedded_pic_offset): Delete.
* config/mips/mips.h (MASK_EMBEDDED_PIC): Delete. Shuffle other
MASK_* constants.
(TARGET_EMBEDDED_PIC): Delete.
(TARGET_SWITCHES): Remove -m{no-,}embedded-pic.
(ASM_SPEC): Remove -membedded-pic.
(ASM_OUTPUT_ADDR_DIFF_ELT): Remove embedded-pic handling.
(ASM_OUTPUT_CASE_LABEL): Likewise.
* config/mips/vxworks.h (ASM_SPEC): Remove -membedded-pic.
* config/mips/windiss.h (ASM_SPEC): Likewise.
* config/mips/mips.c (struct machine_function): Remove
embedded_pic_fnaddr_rtx.
(TARGET_ENCODE_SECTION_INFO): Remove override.
(embedded_pic_fnaddr_reg, embedded_pic_offset): Delete.
(override_options): Remove -membedded-pic handling.
(print_operand): Remove handling of '%S'.
(mips_select_section: Remove -membedded-pic handling.
(mips_encode_section_info): Delete.
(mips_output_conditional_branch): Remove mention of -membedded-pic.
* config/mips/mips.md (define_attr length, movsi, movdi, jump): Remove
-membedded-pic handling.
(casesi, casesi_internal, casesi_internal_di, get_fnaddr): Delete.
2004-04-22 Alan Modra <amodra@bigpond.net.au>
* var-tracking.c (frame_base_decl): Remove useless GTY.
2004-04-21 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.c (rs6000_override_options): Error when
user wants altivec and e500 instructions.
2004-04-21 H.J. Lu <hongjiu.lu@intel.com>
PR target/14813
* config/ia64/crtend.asm: Move pointer to __do_global_ctors_aux
in .init_array section to ...
* config/ia64/crtbegin.asm: Here.
* config/ia64/crtend.asm: Mark __do_global_ctors_aux global
and hidden if HAVE_INITFINI_ARRAY is defined.
2004-04-21 James E Wilson <wilson@specifixinc.com>
* config/mips/mips-protos.h (fp_register_operand, lo_operand): Declare.
* config/mips/mips.c (mips_multipass_dfa_lookahead): Declare.
(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): New.
(fp_register_operand, lo_operand): New.
(mips_rtx_costs): Add TUNE_SB1 support.
(mips_issue_rate): Add comment. Add PROCESSOR_SB1 support.
(mips_use_dfa_pipeline_interface): Add PROCESSOR_SB1 support.
(mips_multipass_dfa_lookahead): New.
* config/mips/mips.h (MASK_FP_EXCEPTIONS, TARGET_FP_EXCEPTIONS,
TUNE_SB1): New.
(TARGET_SWITCHES): Add -mfp-exceptions support.
(TARGET_FP_EXCEPTIONS_DEFAULT): New.
(BRANCH_COST): Fix whitespace.
* config/mips/mips.md: Include sb1.md.
* config/mips/sb1.md: New file.
* doc/invoke.texi: Document -mfp-exceptions.
* Makefile.in (fixinc.sh): Don't set or export WARN_CFLAGS. Fix
comment.
* fixinc/Makefile.in (FL_LIST): Don't mention WARN_CFLAGS.
(fixincl.o-warn): Delete.
2004-04-21 Andrew Pinski <pinskia@physics.uc.edu>
* config/rs6000/rs6000 (print_operand) ['z']:
Change ifdef of TARGET_MACHO to if TARGET_MACHO.
2004-04-21 Daniel Jacobowitz <drow@mvista.com>
* config.gcc: Support --with-arch=iwmmxt for ARM.
2004-04-21 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expmed.c (expand_mult_highpart_optab): Use narrower version of OP1
in two more places; remove unneeded force_reg
2004-04-21 Andrew Pinski <pinskia@physics.uc.edu>
* config/rs6000/rs6000.c (symbol_ref_operand): Remove hack
for TARGET_MACHO.
(print_operand): For TARGET_MACHO check to see if we need a stub
and output one if we need it.
PR debug/15033
* dwarf2out.c (rtl_for_decl_location): Check for NULL
rtl.
2004-04-20 James E Wilson <wilson@specifixinc.com>
* config/ia64/ia64.md (call_value_nogp): Add constraints for op0.
(vall_value_gp): Likewise.
2004-04-20 DJ Delorie <dj@redhat.com>
* dwarf2out.c (rtl_for_decl_location): Adjust rtl for byte
variables stored in word registers, then in memory.
2004-04-20 Eric Christopher <echristo@redhat.com>
* cp/parser.c (cp_parser_declaration): Move translate
up before tokens are lexed.
2004-04-20 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_asin and OTI_acos.
(asin_optab, acos_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize asin_optab and acos_optab.
* genopinit.c (optabs): Implement asin_optab and acos_optab
using asin?f2 and acos?f2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_ASIN{,F,L}
using asin_optab, and BUILT_IN_ACOS{,F,L} using acos_optab.
(expand_builtin): Expand BUILT_IN_ASIN{,F,L} and BUILT_IN_ACOS{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
acossf2, acosxf2): New expanders to implement asin, asinf, asinl,
acos, acosf and acosl built-ins as inline x87 intrinsics.
2004-04-20 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_legitimate_address_p): Use rtx_equal_p.
2004-04-20 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_expand_prologue): Fix size calculation.
2004-04-20 Paolo Bonzini <bonzini@gnu.org>
Revert part of 2004-04-17 change that moved -frename-registers
to -O1. -frename-registers is buggy.
* toplev.c (flag_rename_registers): Initialize to 0.
* doc/invoke.texi (Optimize options): Move -frename-registers
to "Not triggered by any -O level" section. Adjust commentary
accordingly.
2004-04-20 Anil Paranjpe <anilp1@kpitcummins.com>
* toplev.c (compile_file): Move targetm.asm_out.file_end call to end.
2004-04-20 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.c (mips_legitimize_move): Generate special patterns
for mflo and mfhi instructions.
(mips_output_move): Remove mflo and mfhi handling.
* config/mips/mips.md (UNSPEC_MFHILO): New unspec.
(*mulsidi3_64bit): Update for new mfhi/mflo representation.
Likewise various define_peephole2s.
(*movdi_32bit, *movdi_64bit, *movsi_internal): Merge x<-J and x<-d
alternatives.
(*movdi_64bit, *movdi_64bit_mips16, *mov[shq]i_internal)
(*mov[shq]i_mips16): Remove mflo and mfhi alternatives.
(mfhilo_di, mfhilo_si): New patterns.
2004-04-20 Josef Zlomek <zlomekj@suse.cz>
* function.c (assign_parms): Force
MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.
2004-04-20 Josef Zlomek <zlomekj@suse.cz>
* var-tracking.c (variable_part_different_p): Variable parts differ
when the most recent locations differ.
2004-04-19 James E Wilson <wilson@specifixinc.com>
* rtl.h (reg_set_last): Delete declaration.
* rtlanal.c (reg_set_last): Delete.
2004-04-19 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_convert): Make function extern/public.
* tree.h (fold_convert): Prototype here.
* builtins.c (expand_builtin_strstr, expand_builtin_strchr,
expand_builtin_strrchr, expand_builtin_strpbrk,
expand_builtin_mempcpy, expand_builtin_bcopy,
expand_builtin_bzero, expand_builtin_memcmp,
expand_builtin_strcmp, expand_builtin_strncmp,
stabilize_va_list, expand_builtin_sprintf,
fold_trunc_transparent_mathfn, fold_builtin_logarithm,
fold_builtin_exponent, fold_builtin_mempcpy,
fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".
2004-04-19 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.
(move_from_CR_gt_bit): New.
(cceq_ior_compare): Name previously unnamed pattern. Disable for
E500.
(cceq_rev_compare): Name previously unnamed pattern. Allow for
E500.
* config/rs6000/spe.md (cmpsfeq_gpr): Rewrite as unspec.
(tstsfeq_gpr): Same.
(cmpsfgt_gpr): Same.
(tstsfgt_gpr): Same.
(cmpsflt_gpr): Same.
(tstsflt_gpr): Same.
(e500_cceq_ior_compare): New.
(e500_flip_gt_bit): New.
* config/rs6000/rs6000.c (ccr_bit): Remove E500 specific code.
(print_operand): Add 'c' and 'D'.
(rs6000_generate_compare): Rewrite to generate correct rtl.
(rs6000_emit_sCOND): Handle E500.
(output_cbranch): Adjust for changes in rs6000_generate_compare.
(output_e500_flip_gt_bit): New.
* config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit):
Protoize.
2004-04-19 Eric Christopher <echristo@redhat.com>
* config/mips/mips.h (DWARF2_ADDR_SIZE): New.
2004-04-19 David Edelsohn <edelsohn@gnu.org>
* doc/install.texi (*-ibm-aix*): Add AIX 5.1 assembler and archiver
fix information.
2004-04-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* doc/install.texi (Specific, mips-sgi-irix5): Fix IRIX 5.3 IDO
download URL.
2004-04-19 Daniel Jacobowitz <drow@mvista.com>
* stor-layout.c (layout_decl): Check DECL_PACKED before calling
ADJUST_FIELD_ALIGN. Check maximum_field_alignment after.
2004-04-19 Andrew PInski <pinskia@physics.uc.edu>
* builtins.c (fold_builtin_cabs): Remove fndecl parameter.
(fold_builtin): Update caller to match.
PR bootstrap/15009
* bb-reorder.c (fix_up_fall_thru_edges): Init cond_jump.
PR bootstrap/14999
* builtins.c (fold_builtin_cabs): Mark fndecl as unused.
2004-04-19 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* varasm.c (compare_constant, case VIEW_CONVERT_EXPR): Add case.
* expmed.c (expand_mult_highpart_adjust): Make OP1 valid for MODE.
(expand_mult_highpart_optab): Likewise.
(expand_mult_highpart): Make OP1 valid for WIDER_MODE, not MODE.
2004-04-19 Paul Brook <paul@codesourcery.com>
* config/arm/arm.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
floatunssisf2, floatunssidf2): New patterns.
2004-04-18 Mark Mitchell <mark@codesourcery.com>
PR other/14918
* doc/invoke.texi (-fprofile-generate): Document requirement to
use -fprofile-generate when linking.
* doc/extend.texi (Strong Using): Warn users against using this
feature.
2004-04-18 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips-protos.h (m16_usym8_4, m16_usym5_4): Delete.
* config/mips/mips.h (mips_entry, mips_string_length): Delete.
(CONSTANT_POOL_BEFORE_FUNCTION, ASM_OUTPUT_POOL_EPILOGUE): Undefine.
* config/mips/mips.c (struct mips16_constant): Renamed from struct
constant. Propogate change throughout file.
(struct machine_function): Remove insns_len.
(mips_string_length, mips16_strings, string_constants): Delete.
(mips_classify_symbol): Return SYMBOL_CONSTANT_POOL for LABEL_REFs
when generating mips16 code. Remove special mips16 treatment of
string constants.
(mips_symbolic_constant_p): Allow mips16 constant pool accesses
to have the form LABEL+CONSTANT.
(mips_symbolic_address_p): Fix comment.
(m16_usym8_4, m16_usym5_4): Delete.
(mips_output_function_epilogue): Remove mips16 string handling.
(mips_output_mi_thunk): Call mips16_lay_out_constants.
(mips_select_section, mips_encode_section_info): Remove mips16
string handling.
(struct mips16_constant_pool): New.
(add_constant): Take a mips16_constant_pool structure. Keep pool
sorted into order of ascending mode size. Keep track of the highest
possible start address, taking padding and the masking of the base PC
value into account.
(dump_constants_1): New function, split out from dump_constants.
Handle vector constants. Use gen_consttable_{int,float} rather than
separate functions for each mode.
(dump_constants): Simplify. Use GET_MODE_ALIGNMENT. Use gen_align
rather than separate functions for each alignment.
(mips_find_symbol): Delete.
(mips16_insn_length): New function, split out from
mips16_lay_out_constants.
(mips16_rewrite_pool_refs): New function.
(mips16_lay_out_constants): Rework. Remove string handling.
Always create an inline constant pool.
* config/mips/mips.md (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT)
(UNSPEC_ALIGN): New constants.
(UNSPEC_CONSTTABLE_[QHSD]I, UNSPEC_CONSTTABLE_[SD]F): Delete.
(UNSPEC_ALIGN_[248]): Delete.
(consttable_int, consttable_float, align): New patterns.
(consttable_[qhsd]i, consttable_[sd]f, align_[248]): Delete.
2004-04-17 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/altivec.h (vec_any_numeric): Correct typo in
__unn_args_eq.
2004-04-17 Alan Modra <amodra@bigpond.net.au>
PR target/14715
* config/rs6000/rs6000.c (rs6000_stack_info): Make parm_size agree
with STARTING_FRAME_OFFSET.
2004-04-17 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.h (PREDICATE_CODES): Add macc_msac_operand.
* config/mips/mips.c (macc_msac_operand): New function.
* config/mips/mips.md (*msac): Move after *macc.
(*msac2): New. Generalize macc-related peepholes so that they apply
to msac too.
2004-04-17 Paolo Bonzini <bonzini@gnu.org>
* opts.c (decode_options): Do not enable flag_rename_registers
and flag_web at -O3.
* toplev.c (flag_rename_registers): Initialize
flag_rename_registers and flag_web to
AUTODETECT_FLAG_VAR_TRACKING.
(default_debug_hooks): New global.
(process_options): Initialize default_debug_hooks. Warn if
-fvar-tracking specified but not supported by the current
debug format. Do not run var tracking at -O0 or if not
supported by the current debug format, even if
-fvar-tracking was given. If -fno-rename-registers
is not specified, always run register renaming if var
tracking is supported by the default debugging information
format for the target, and we are at -O1 or higher; similarly
for -fweb, but only at -O2 or higher.
* doc/invoke.texi (Optimize Options): Document this.
2004-04-17 Richard Sandiford <rsandifo@redhat.com>
* configure.ac (gcc_cv_ld_as_needed): Use AC_CACHE_CHECK.
* configure: Regenerate.
2004-04-17 Richard Sandiford <rsandifo@redhat.com>
* gcc.c (used_arg): Check whether an option has been removed.
2004-04-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* config.gcc (i[34567]86-*-solaris2*): Default to DWARF-2
debugging on Solaris 7 and up.
2004-04-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* doc/install.texi (Specific, mips-sgi-irix5): Reflect working
IRIX 5 port.
Remove -save-temps workaround, handled automatically.
Require GNU binutils 2.15 for debugging.
Remove SGI make warnings since GNU make is now required.
(Specific, mips-sgi-irix6): Some markup fixes.
Describe MIPSpro C problems and workarounds.
Mention working O32 ABI support.
Recommend GNU as 2.15 for O32 with debugging.
Remove description of fixed structure pass/return bug.
2004-04-16 DJ Delorie <dj@redhat.com>
* sdbout.c (sdbout_one_type): Use TYPE_VALUES for enums, not
TYPE_FIELDS.
(sdbout_finish): Don't free deferred_global_decls; it's GC'd.
2004-04-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.md: Remove unnecessary declarations for asm_out_file.
* pa64-regs.h (DBX_REGISTER_NUMBER): Simplify and correct mapping of
SAR register. Fix comment.
(ADDITIONAL_REGISTER_NAMES): Correct register number of SAR register
(%cr11).
* pa64-hpux.h (LIB_SPEC): Fix library specification used with GNU ld.
2004-04-16 Nick Clifton <nickc@redhat.com>
* config/arm/arm.c (arm_override_options): Revert previous patch.
* config/arm/t-xscale-elf: Disable iwmmxt multilibs until they can
be safely built.
2004-04-16 Kazuhiro Inaoka <inaoka dot kazuhiro at renesas dot com>
* config/m32r/m32r.h (BIG_ENDIAN_BIT): Deleted to fix endian
bug.
(TARGET_LITTLE_ENDIAN, TARGET_BIG_ENDIAN,
TARGET_DEFAULT): Changed. Ditto.
(LITTLE_ENDIAN_BIT, TARGET_CPU_DEFAULT,
TARGET_ENDIAN_DEFAULT): Added. Ditto.
* config/m32r/little.h (TARGET_LITTLE_ENDIAN): Deleted.
(TARGET_ENDIAN_DEFAULT): Added.
2004-04-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.def (BUILT_IN_ISDIGIT, BUILT_IN_ISXDIGIT): Mark with
ATTR_CONST_NOTHROW_LIST.
2004-04-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR/middle-end 14915
* builtins.c (expand_builtin_signbit): Test BYTES_BIG_ENDIAN, not
BITS_BIG_ENDIAN.
2004-04-15 Pat Haugen <pthaugen@us.ibm.com>
* ra-debug.c (ra_print_rtx): Add break's to case legs.
2004-04-14 James E Wilson <wilson@specifixinc.com>
* Makefile.in (fixinc.sh): Set WARN_CFLAGS to empty string.
2004-04-14 Nathanael Nerode <neroden@gcc.gnu.org>
* libada-mk.in: New file.
* configure.ac: Create libada-mk from libada-mk.in.
* configure: Regenerate.
2004-04-14 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Add new OTI_logb and OTI_ilogb.
(logb_optab, ilogb_optab): Define corresponding macros.
* optabs.c (init_optabs): Initialize logb_optab and ilogb_optab.
* genopinit.c (optabs): Implement logb_optab and ilogb_optab
using logb?f2 and ilogb?i2 patterns.
* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOGB{,F,L}
using logb_optab, and BUILT_IN_ILOGB{,F,L} using ilogb_optab.
(expand_builtin): Expand BUILT_IN_LOGB{,F,L} and BUILT_IN_ILOGB{,F,L}
using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_XTRACT_FRACT
and UNSPEC_XTRACT_EXP.
* config/i386/i386.md (*fxtractdf3, *fxtractsf3, *fxtractxf3): New
patterns to implement fxtract x87 instruction.
(logbdf2, logbsf2, logbxf2, ilogbsi2): New expanders to implement
logb, logbf, logbl, ilogb, ilogbf and ilogbl built-ins as inline x87
intrinsics.
(UNSPEC_XTRACT_FRACT, UNSPEC_XTRACT_EXP): New unspecs to represent
x87's fxtract insn.
2004-04-14 Eric Christopher <echristo@redhat.com>
* config/mips/t-elf: Enable multilibs by default.
2004-04-14 Andreas Tobler <a.tobler@schweiz.ch>
* bb-reorder.c (fix_crossing_conditional_branches): Adjust the
previous fix to check HAVE_return at runtime too.
2004-04-14 Nick Clifton <nickc@redhat.com>
* config/arm/arm.c (arm_override_options): If the user has not
specified an ABI, then default to AAPCS for the iWMMXt processor.
* config/arm/t-xscale-elf: Remove redundant multilib specifications.
* config/arm/t-xscale-coff: Likewise.
2004-04-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (fold_builtin_isdigit): New.
(fold_builtin): Handle BUILT_IN_ISDIGIT.
* defaults.h: Add TARGET_DIGIT0 and sort.
* doc/tm.texi: Add TARGET_BS and TARGET_DIGIT0.
2004-04-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (fold_builtin_cabs, fold_builtin): Use
`mathfn_built_in' to determine the new builtin.
* fold-const.c (fold): Likewise.
2004-04-14 Richard Sandiford <rsandifo@redhat.com>
* doc/invoke.texi: Rename MIPS's -mfix-vr4122-bugs to -mfix-vr4120.
* config/mips/mips.h (MASK_FIX_VR4120): Renamed from MASK_FIX_VR4122.
(TARGET_FIX_VR4120): Likewise TARGET_FIX_VR4122.
(TARGET_SWITCHES): Replace -mfix-vr4122-bugs with -mfix-vr4120.
(ASM_SPEC): Update accordingly.
* config/mips/mips.c: Update after above renaming.
* config/mips/mips.md, config/mips/t-vr, config/mips/vr.h: Likewise.
* config/mips/vr4120-div.S: Renamed from vr4122-div.S.
2004-04-13 James E Wilson <wilson@specifixinc.com>
* c-opt.c (c_common_post_options): If this_input_filename is NULL,
increment errorcount and return false instead of true.
2004-04-13 Uros Bizjak <uros@kss-loka.si>:
* optabs.c (expand_twoval_unop): Reorder function arguments.
* builtins.c (expand_builtin_mathfn_3): Update calls to
expand_twoval_unop.
* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_TAN_ONE
and UNSPEC_TAN_TAN. Add missing comment.
* config/i386/i386.md (*tandf3_1, *tansf3_1, *tanxf3_1): New
patterns to implement fptan x87 instruction.
(tandf2, tansf2, tanxf2): New expanders to implement tan, tanf
and tanl built-ins as inline x87 intrinsics. Define corresponding
peephole2 optimizers for 'fptan; fstp %st(0); fld1' sequence.
(UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): New unspecs to represent
x87's fptan insn.
2004-03-13 Richard Henderson <rth@redhat.com>
* bb-reorder.c (fix_crossing_unconditional_branches): Use Pmode
for LABEL_REFs.
* defaults.h (HOT_TEXT_SECTION_NAME): Add leading dot.
(UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Likewise.
* doc/invoke.texi: Update to match.
* varasm.c (unlikely_text_section): Use assemble_align instead of
ASM_OUTPUT_ALIGN. Use it in the correct place with an approximately
correct alignment argument.
2004-04-13 Ulrich Weigand <uweigand@de.ibm.com>
* reload1.c (emit_reload_insns): Set reg_has_output_reload to one
after setting reg_last_reload_reg for optional output reloads.
2004-04-12 Fariborz Jahanian <fjahanian@apple.com>
* config/rs6000/altivec.h (vec_mergeh, vec_mergel):
Definition of these two macros are corrected by adding
matchine right paren.
2004-04-12 Jonathan Larmour <jifl@eCosCentric.com>
* fix-header.c: kill(), putenv() and tzset() are POSIX not ANSI.
2004-04-12 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (output_387_reg_move): New function.
* config/i386/i386-protos.h (output_387_reg_move): Prototype here.
* config/i386/i386.md (*movsf_1, *movsf1_nointerunit,
*movdf_nointeger, *movdf_integer, *movxf_nointeger, *movxf_integer,
*extendsfdf2_1, *extendsfxf2_1, *extenddfxf2_1, truncdfsf2_noop,
truncxfsf2_noop, truncxfdf2_noop): Call output_387_reg_move.
2004-04-12 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* c-decl.c (finish_decl): Make a decl_stmt for a variable-sized
TYPE_DECL.
* c-semantics.c (genrtl_decl_stmt): Handle TYPE_DECL.
* stmt.c (expand_decl): Remove redundant expansion of TYPE_DOMAIN.
* stor-layout.c (variable_size): Don't check for MINUS_EXPR.
Use skip_simple_arithmetic to find SAVE_EXPR.
(force_type_save_exprs, force_type_save_exprs_1): New functions.
* tree-inline.c (remap_type, case POINTER_TYPE, case REFERENCE_TYPE):
Properly chain multiple pointers.
(copy_tree_r): Copy a TYPE_DECL.
* tree.c (variably_modified_type_p): Add some missing tests and
make some other minor changes.
* tree.h (force_type_save_exprs): New declaration.
2004-04-12 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_binary_operation) <UDIV, DIV, UMOD, MOD>:
Remove fall throughs. Convert 0/x and 0%x into x&0 when x has
side-effects. Don't convert x/1.0 into x if we honor signaling NaNs.
Convert x/-1.0 into -x if we don't honor signaling NaNs. Convert
x/-1 into -x. Optimize x%1 into x&0 if x has side-effects. Optimize
x%-1 into 0 (or x&0 if x has side-effects).
2004-04-11 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.md: Document why a pattern is not
available.
* config/rs6000/rs6000.c (rs6000_emit_cmove): Disable comparisons
of floats on the E500.
(branch_positive_comparison_operator): Do not allow NE even on the
E500.
2004-04-11 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.c (rs6000_assemble_integer): Change
in_text_unlikely_section to in_unlikely_text_section.
2004-04-11 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_binary_op_with_conditional_arg): Tweak
calling convention to allow a NULL_TREE to be returned. Factor
sanity checks from callers, return NULL_TREE when appropriate.
(fold): Handle COMPOUND_EXPR operands of binary expressions
before COND_EXPR operands. Use reorder_operands_p(a,b) to check
whether a op (b,c) can be rewritten as (b, a op c). Simplify
calls to fold_binary_op_with_conditional_arg.
2004-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* config/mips/iris5.h (current_section_flags): Add
in_unlikely_executed_text and default case.
2004-04-11 Andreas Tobler <a.tobler@schweiz.ch>
* bb-reorder.c (fix_crossing_conditional_branches): Fix bootstrap
failure on solaris. Place ifdef HAVE_return around gen_ret call.
* cfgrtl.c (force_nonfallthru_and_redirect): Remove ifdef
HAVE_return and place it around the place where it is needed.
2004-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* varasm.c (text_section): Use TEXT_SECTION_ASM_OP and
ASM_OUTPUT_ALIGN instead of SECTION_FORMAT_STRING
and NORMAL_TEXT_SECTION_NAME.
(unlikely_text_section): Check targetm.have_named_sections
instead of TARGET_ASM_NAMED_SECTION and use TEXT_SECTION_ASM_OP
instead of SECTION_FORMAT_STRING.
* config/mips/iris5.h (current_section_name): Add
in_unlikely_executed_text case and move the abort into the switch.
* config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME): Remove.
(NORMAL_TEXT_SECTION_NAME): Remove.
(UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
(SECTION_FORMAT_STRING): Remove.
* defaults.h (SECTION_FORMAT_STRING): Remove.
* tm.texi (NORMAL_TEXT_SECTION_NAME): Remove.
(SECTION_FORMAT_STRING): Remove.
2004-04-10 Joseph S. Myers <jsm@polyomino.org.uk>
* c-typeck.c (common_type): Prefer long long to long when same
precision.
2004-04-09 Zack Weinberg <zack@codesourcery.com>
PR 14887
* config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Look only at
mode argument.
* config/ia64/ia64.c (ia64_hpux_file_end): Check
TREE_SYMBOL_REFERENCED on DECL_ASSEMBLER_NAME, not DECL_NAME.
2004-04-09 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (mode_signbit_p): New function to check whether
an RTX is an immediate constant that represents the most significant
bit of a given machine mode.
(simplify_unary_operation) <NOT>: Optimize ~(X+C) as X ^ ~C, where
C is the sign bit.
(simplify_binary_operation) <PLUS>: Optimize (X^C1) + C2 as X^(C1^C2)
when C2 is the sign bit.
(simplify_binary_operation) <XOR>: Canonicalize X^C as X+C when C
is the sign bit. Optimize (X+C1) ^ C2 as X^(C1^C2) when C1 is the
sign bit.
2004-04-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (mathfn_built_in): Check TYPE_MAIN_VARIANT, not
TYPE_MODE.
2004-04-09 Andrew Pinski <pinskia@physics.uc.edu>
* c-common.c (handle_noreturn_attribute): Use TYPE_READONLY instead
of TREE_READONLY for types.
2004-04-09 Caroline Tice <ctice@apple.com>
* basic-block.h (struct edge_def): Add new field, crossing_edge.
(struct basic_block_def): Add new field, partition.
(UNPARTITIONED, HOT_PARTITION, COLD_PARTITION): New constant macro
definitions.
(partition_hot_cold_basic_blocks): Add extern function
declaration.
* bb-reorder.c (function.h, obstack.h, expr.h, regs.h): Add four new
include statements.
(N_ROUNDS): Increase the maximum number of rounds by 1.
(branch_threshold): Add array value for new round.
(exec_threshold): Add array value for new round.
(push_to_next_round_p): New function.
(add_unlikely_executed_notes): New function.
(find_rarely_executed_basic_blocks_and_crossing_edges): New function.
(mark_bb_for_unlikely_executed_section): New function.
(add_labels_and_missing_jumps): New function.
(add_reg_crossing_jump_notes): New function.
(fix_up_fall_thru_edges): New function.
(find_jump_block): New function.
(fix_crossing_conditional_branches): New function.
(fix_crossing_unconditional_branches): New function.
(fix_edges_for_rarely_executed_code): New function.
(partition_hot_cold_basic_blocks): New function.
(find_traces): Add an extra round for partitioning hot/cold
basic blocks.
(find_traces_1_round): Add a parameter. Modify to push all cold blocks,
and only cold blocks, into the last (extra) round of collecting traces.
(better_edge_p): Add a parameter. Modify to favor non-crossing edges
over crossing edges.
(bb_to_key): Add code to correctly identify cold blocks when
doing partitioning.
(connect_traces): Modify to connect all the non-cold traces first, then
go back and connect up all the cold traces.
(reorder_basic_blocks): Add call to add_unlikely_executed_notes.
* cfg.c (entry_exit_blocks): Add initialization for partition field in
entry and exit blocks.
* cfgbuild.c (make_edges): Update current_function_has_computed_jump
if we are doing hot/cold partitioning.
* cfgcleanup.c (cfglayout.h): Add new include statement.
(try_simplify_condjump): Modify to not attempt on blocks with jumps
that cross section boundaries.
(try_forward_edges): Likewise.
(merge_blocks_move_predecessor_nojumps): Likewise.
(merge_blocks_move_successor_nojumps): Likewise.
(merge_blocks_move): Likewise.
(try_crossjump_to_edge): Modify to not attempt after we have done
the block partitioning.
(try_crossjump_bb): Modify to not attempt on blocks with jumps that
cross section boundaries.
(try_optimize_cfg): Likewise.
* cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
jumps that cross section boundaries.
* cfglayout.c (flags.h): Add new include statement.
(update_unlikely_executed_notes): New function.
(fixup_reorder_chain): Add code so when a new jumping basic block is
added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
updated appropriately.
(duplicate_insn_chain): Add code to duplicate the new NOTE insn
introduced by this optimization.
* cfglayout.h (scan_ahead_for_unlikely_executed_note): Add new
extern function declaration.
* cfgrtl.c (can_delete_note_p): Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
list of notes that can be deleted.
(create_basic_block_structure): Add initialization for partition field.
(rtl_can_merge_blocks): Modify to test blocks for jumps that cross
section boundaries.
(try_redirect_by_replacing_jump): Modify to not attempt on jumps that
cross section boundaries.
(commit_one_edge_insertion): Add code so newly created basic block
ends up in correct (hot or cold) section. Modify to disallow
insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
(rtl_verify_flow_info_1): Add code to verify that no fall_thru edge
crosses section boundaries.
(cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
cross section boundaries.
(force_nonfallthru_and_redirect): Modify to make sure new basic block
ends up in correct section, with correct notes attached.
* common.opt (freorder-blocks-and-partition): Add new flag for this
optimization.
* dbxout.c (dbx_function_end): Add code to make sure scope labels at
the end of functions are written into the correct (hot or cold)
section.
(dbx_source_file): Add code so writing debug file information
doesn't incorrectly change sections.
* defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
in partitioning hot/cold basic blocks into separate sections.
(SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
section partitioning.
(HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
conditional branches can span all of memory.
(HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
unconditional branches can span all of memory.
* final.c (scan_ahead_for_unlikely_executed_note): New function.
(final_scan_insn): Add code to check for NOTE instruction indicating
whether basic block belongs in hot or cold section, and to make sure
the current basic block is being written to the appropriate section.
Also added code to ensure that jump table basic blocks end up in the
correct section.
* flags.h (flag_reorder_blocks_and_partition): New flag.
* ifcvt.c (find_if_case_1): Modify to not attempt if conversion if
one of the branches has a jump that crosses between sections.
(find_if_case_2): Likewise.
(ifcvt): Modify to not attempt to mark loop exit edges after
hot/cold partitioning has occurred.
* opts.c (decode_options): Code to handle new flag,
flag_reorder_blocks_and_partition; also to turn it off if
flag_exceptions is on.
(common_handle_option): Code to handle new flag,
flag_reorder_blocks_and_partition.
* output.h (unlikely_text_section): New extern function declaration.
(in_unlikely_text_section): New extern function declaration.
* passes.c (rest_of_handle_stack_regs): Add
flag_reorder_blocks_and_partition as an 'or' condition for calling
reorder_basic_blocks.
(rest_of_handle_reorder_blocks): Add flag_reorder_blocks_and_partition
as an 'or' condition for calling reorder_basic_blocks.
(rest_of_compilation): Add call to partition_hot_cold_basic_blocks.
* print-rtl.c (print_rtx): Add code for handling new note,
NOTE_INSN_UNLIKELY_EXECUTED_CODE
* rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
(REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
cross between section boundaries.
* rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note instruction,
indicating the basic block containing it belongs in the cold section.
(REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
between hot and cold sections.
* toplev.c (flag_reorder_blocks_and_partition): Add code to
initialize this flag, and to tie it to the command-line option
freorder-blocks-and-partition.
* varasm.c (cfglayout.h): Add new include statement.
(unlikely_section_label_printed): New global variable, used for
determining when to output section name labels for cold sections.
(in_section): Add in_unlikely_executed_text to enum data structure.
(text_section): Modify code to use SECTION_FORMAT_STRING and
NORMAL_TEXT_SECTION_NAME macros.
(unlikely_text_section): New function.
(in_unlikely_text_section): New function.
(function_section): Add code to make sure beginning of function is
written into correct section (hot or cold).
(assemble_start_function): Add code to make sure stuff is written to
the correct section.
(assemble_zeros): Add in_unlikely_text_section as an 'or' condition
to an if statement that was checking 'in_text_section'.
(assemble_variable): Add 'in_unlikely_text_section' as an 'or'
condition to an if statement that was checking 'in_text_section'.
(default_section_type_flags_1): Add check: if in cold section
flags = SECTION_CODE.
* config/darwin.c (darwin_asm_named_section): Modify to use
SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
* config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
specifically for the i386.
(HAS_LONG_UNCOND_BRANCH): Defined this macro specifically for the i386.
* config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
text string to something more informative.
(NORMAL_TEXT_SECTION_NAME): Add new definition.
(SECTION_FORMAT_STRING): Add new definition.
* config/rs6000/rs6000.c (rs6000_assemble_integer): Add
'!in_unlikely_text_section' as an 'and' condition to an if statement
that was already checking '!in_text_section'.
* config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
sure these are properly defined for linux on ppc.
* doc/invoke.texi (freorder-blocks-and-partition): Add documentation
for this new flag.
* doc/rtl.texi (REG_CROSSING_JUMP): Add documentation for new
reg_note.
* doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
these new macros.
2004-04-08 Roger Sayle <roger@eyesopen.com>
* function.c (gen_mem_addressof): When changing the RTX from a REG
to a MEM, clear MEM_VOLATILE_P which was formerly REG_USERVAR_P.
2004-04-08 Roger Sayle <roger@eyesopen.com>
PR target/14888
* config/i386/i386.md (truncdfsf2_noop, truncxfsf2_noop,
truncxfdf2_noop): Provide dummy "fmov" implementations.
2004-04-08 Ian Lance Taylor <ian@wasabisystems.com>
* gcc.c (default_compilers): Add missing initializers.
* config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
Return 1 if file was successfully mapped.
2004-04-08 Geoffrey Keating <geoffk@apple.com>