* emit-rtl.c (global_rtl): Update comment.
(const_double_htab, const_double_htab_hash,
const_double_htab_hash, lookup_const_double): New.
(const_int_htab_hash, const_int_htab_eq): Remove const
qualifiers, which cause tons of warnings with RTL checking on.
(gen_rtx_CONST_DOUBLE): Deleted.
(const_double_from_real_value): New function - bears some
resemblance to the former immed_real_const_1.
(immed_double_const): Moved here from varasm.c and
simplified.
(gen_rtx_REG): Make REGNO unsigned to squelch warnings.
(gen_rtx_SUBREG): Use gen_rtx_raw_SUBREG.
(gen_rtx): Use immed_double_const.
(init_emit_once): Initialize the const_double_htab. Use
REAL_VALUE_FROM_INT where possible. Can now use
CONST_DOUBLE_FROM_REAL_VALUE when setting up const_tiny_rtx.
* varasm.c (struct varasm_status): Remove x_const_double_chain.
(const_double_chain, immed_real_const, clear_const_double_mem): Delete.
(immed_double_const, immed_real_const_1): Moved to emit-rtl.c.
(init_varasm_status, mark_varasm_status): Don't touch
x_const_double_chain.
* output.h: Delete prototype for clear_const_double_mem.
* real.h: Make REAL_VALUE_TYPE a macro again. Remove leading
'0' slot from all CONST_DOUBLE_FORMAT definitions. Prototype
const_double_from_real_value, not immed_real_const_1, and use
it to define CONST_DOUBLE_FROM_REAL_VALUE. Define new macro
CONST_DOUBLE_ATOF.
* rtl.h (CONST_DOUBLE_CHAIN): Kill.
(CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Adjust.
(gen_rtx_CONST_DOUBLE, immed_real_const): Delete prototypes.
(gen_rtx_REG): Second arg is unsigned.
* gengenrtl.c (special_rtx): Take out CONST_DOUBLE.
(excluded_rtx): New, return true for CONST_DOUBLE.
(genmacro): Write nothing for excluded codes.
* combine.c (combine_simplify_rtx): Use CONST_DOUBLE_FROM_REAL_VALUE.
* expr.c (expand_expr): Likewise.
* ggc-common.c (ggc_mark_rtx_children_1): Don't mark the
CONST_DOUBLE_CHAIN.
* toplev.c (rest_of_compilation): Don't call
clear_const_double_mem.
* config/rs6000/rs6000.c (rs6000_float_const): Delete.
(rs6000_hash_constant): Remove CONST_DOUBLE special case.
(toc_hash_eq): Remove CONST_DOUBLE and LABEL_REF special cases.
* config/rs6000/rs6000-protos.h: Don't prototype rs6000_float_const.
* config/c4x/c4x.md, config/rs6000/rs6000.md: Use CONST_DOUBLE_ATOF.
* config/dsp16xx/dsp16xx.md, config/mips/mips.md,
config/pa/pa.md: Use CONST_DOUBLE_FROM_REAL_VALUE.
* config/sparc/sparc.md, config/sparc/sparc.c: Use immed_double_const.
From-SVN: r53409
* gensupport.c (n_comma_elts): Moved here from genattrtab.c.
(scan_comma_elt): New function. Accepts whitespace in comma lists.
* gensupport.h: Prototype new routines.
* genattr.c (gen_attr): Use scan_comma_elt. Avoid unnecessary
use of printf.
* genattrtab.c (n_comma_elts): Moved to gensupport.c.
(next_comma_elt): Use scan_comma_elt.
* config/i386/i386.md: Use new attribute notation to break up
long lines in define_attr forms.
From-SVN: r53403
* expr.c (compress_float_constant): New.
(emit_move_insn): Use it.
(float_extend_from_mem): New.
(init_expr_once): Initialize it.
* real.c (exact_real_truncate): New.
* config/i386/i386.h (CONST_COSTS): Assume CONST_DOUBLE gets
dropped into memory; penalize for size.
(RTX_COSTS): FLOAT_EXTEND is free.
* config/i386/i386.md (extendsfdf2, extendsfxf2, extendsftf2,
extenddfxf2, extenddftf2): Accept constants and drop them to memory.
From-SVN: r53401
* config/os/gnu-linux/bits/os_defines.h (__glibcpp_long_bits): Define
to 64 for hppa 64-bit port.
(__glibcpp_long_double_bits): Define to 64 for all hppa ports.
From-SVN: r53388
* i386.md (testsi to testqi spliters): New.
2002-01-14 Josef Zlomek <zlomek@matfyz.cz>
cfg.c (dump_edge_info): added dumping of EDGE_CAN_FALLTHRU.
Wed Jan 9 2002 Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz>
* basic-block.h: New flag EDGE_CAN_FALLTHRU
* cfganal.c (set_edge_can_fallthru_flag): New function; marks the edges
that can be made fallthru.
Mon Nov 12 16:25:53 CET 2001 Jan Hubicka <jh@suse.cz>
* cfglayout.c (cleanup_unconditional_jumps): New static function.
(cfg_layout_initialize): Use it.
Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
From-SVN: r53383
* config/rs6000/rs6000.c (rs6000_default_long_calls,
rs6000_longcall_switch, rs6000_set_default_type_attributes): New.
(TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Set it.
(rs6000_override_options): Handle -m(no-)longcall.
(init_cumulative_args, output_mi_thunk): Check for both
longcall and shortcall attributes on the function.
(rs6000_attribute_table): Add "shortcall".
(rs6000_handle_longcall_attribute): Update comment.
(altivec_expand_unop_builtin, altivec_expand_binop_builtin,
altivec_expand_ternop_builtin): Add default clauses to switches
to silence warnings.
* config/rs6000/rs6000.h: Declare rs6000_longcall_switch and
rs6000_default_long_calls. Define REGISTER_TARGET_PRAGMAS.
(TARGET_OPTIONS): Add longcall and no-longcall.
* config/rs6000/rs6000.md (call_nonlocal_sysv,
call_value_nonlocal_sysv): Split by alternatives. One pair
accepts only SYMBOL_REFs and rejects if CALL_LONG is set in
the call cookie. The other pair accepts only LR/CTR and has
no restriction.
* config.gcc (rs6000-*-* | powerpc*-*-* trailer stanza):
Set c_target_objs, cxx_target_objs; add t-rs6000-c-rule to
tmake_file.
* config/rs6000/rs6000-c.c: New file.
* config/rs6000/t-rs6000-c-rule: New file.
* config/rs6000/rs6000-protos.c: Add multiple-include guard.
Prototype rs6000_pragma_longcall.
* doc/extend.texi: Document shortcall attribute.
* doc/invoke.texi: Document -mlongcall, -mno-longcall.
From-SVN: r53382
* final.c (end_final): Tidy whitespace. Don't honor flag_pack_struct.
Convert integers constants as needed. Replace "nwords" field with
"sizeof_bb".
(final): Save profile data if cfun->arc_profile, not profile_arc_flag.
* function.h: Fix typo in comment.
* libgcc2.c (struct bb): Replace "nwords" with "sizeof_bb".
From-SVN: r53374
* loop.c: (PREFETCH_EXTREME_DIFFERENCE, PREFETCH_BEFORE_LOOP): New.
(PREFETCH_CONDITIONAL): Renamed from PREFETCH_NOT_ALWAYS.
(struct prefetch_info): Fix spelling of member bytes_accessed.
(emit_prefetch_instructions): Make dump messages more regular;
restructure code to add more dump messages; use new macros for
heuristics. (There are no code generation changes in any of this).
From-SVN: r53371
2002-05-09 David S. Miller <davem@redhat.com>
* rtl.h (struct rtx_def): Document unchanging and in_struct flags
more accurately.
(INSN_ANNULLED_BRANCH_P): Only valid for JUMP_INSN and CALL_INSN, fix
comment.
(INSN_FROM_TARGET_P): Valid also for CALL_INSN.
* doc/rtl.texi: Document these macros more accurately.
* recog.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P for
JUMP_INSNs and CALL_INSNs.
* resource.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P
or INSN_FROM_TARGET_P if the code is appropriate.
From-SVN: r53360
* config/avr/avr.c (print_operand): Check that addr is a SYMBOL_REF
before using SYMBOL_REF_FLAG (addr).
* config/avr/avr-protos.h (avr_io_address_p): Declare.
* config/avr/avr.c (io_address_p): Rename to avr_io_address_p.
Make non-static. Update all callers.
* config/avr/avr.md (*cbi, *sbi, *sbix_branch, *sbix_branch_bit7):
New insns to clear/set/test a single bit in I/O address space.
From-SVN: r53359
* i386.md (type attribute): Add "rotate" for rotate insns.
(rotate insns): Set type to "rotate".
(various attributes and function units): Treat rotate like shift.
(pent_pair attribute): Only rotates by one bit position are
pairable.
(sbb insns): Explicitly set pent_pair attribute on a couple
that were missing it.
From-SVN: r53338
Zack Weinberg
Kaveh R. Ghazi
David S. Miller
Tom Tromey
Zack Weinberg
Jason Merrill
Richard Henderson
Marek Michalkiewicz
Jason Merrill
GCC Administrator
Mark Wielaard
John David Anglin
Neil Booth
Jan Hubicka
Marek Michalkiewicz
Kazu Hirata
Tim Josling
Roger Sayle
Janis Johnson
Rainer Orth
Philipp Thomas
Jeffrey A Law
Jakub Jelinek
Richard Sandiford
Federico G. Schwindt