1 2005-11-28 Roger Sayle <roger@eyesopen.com>
2 Uros Bizjak <uros@kss-loka.si>
5 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
6 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
7 when flag_unsafe_math_optimizations is set and
8 we don't care about NaNs or Infinities.
10 Move x/expN(y) and x/pow(y,z) transformation into common
11 flag_unsafe_math_optimizations section.
13 2005-11-27 Mark Mitchell <mark@codesourcery.com>
15 * gcc.c (main): Change type of argv to "char **".
17 2005-11-28 Alan Modra <amodra@bigpond.net.au>
19 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
21 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
22 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
23 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
24 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
25 output locals to sbss if !rs6000_elf_in_small_data_p.
26 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
28 2005-11-28 Alan Modra <amodra@bigpond.net.au>
31 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
33 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
34 indexed_or_indirect_address.
35 (indexed_or_indirect_address): Don't test for base reg. Call
36 address_operand last. Make it a special predicate.
38 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
40 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
42 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
45 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
47 (negate_expr): Likewise.
49 2005-11-27 Andreas Schwab <schwab@suse.de>
51 * config/m68k/m68k.c: Reindent and fix whitespace, remove
54 2005-11-27 Steven Bosscher <stevenb@suse.de>
56 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
57 has EH predecessor edges.
59 2005-11-26 Eric Christopher <echristo@apple.com>
61 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
62 register stalls by zero extending to the full register.
64 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
66 * config/floatunsisf.c, config/floatunsidf.c,
67 config/floatunsixf.c, config/floatunsitf.c: New files.
68 * config/ia64/t-hpux: Add floatunsitf.c.
69 * config/ia64/ia64.c (ia64_init_libfuncs): Use
70 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
72 2005-11-26 Richard Henderson <rth@redhat.com>
74 * c-lex.c (pragma_lex): Rename from c_lex.
75 * c-pch.c: Update for pragma_lex rename.
76 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
77 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
78 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
79 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
80 * doc/tm.texi: Likewise.
82 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
85 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
86 when overflow is undefined.
88 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
90 * doc/md.texi (Insn Canonicalizations): Refer to the
91 function commutative_operand_precedence for further rules.
93 2005-11-25 Roger Sayle <roger@eyesopen.com>
96 * expmed.c (choose_mult_variant): Return immediately when mult_cost
97 is less than zero. Limit mult_cost to a reasonable upper bound for
98 the synthetic multiplication sequence.
100 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
104 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
105 Lookup the explicit replacement functions for any unlocked
106 stdio builtin transformations.
108 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
110 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
112 * targhooks.c (default_secondary_reload): Don't require operand 2
113 for an input reload to be earlyclobber.
115 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
117 * fold-const.c (negate_mathfn_p): Fix comment and add support
118 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
121 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
124 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
125 _Q_ulltoq for unsigned conversions from SImode and DImode to
128 2005-11-25 Alan Modra <amodra@bigpond.net.au>
130 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
131 (__floatundidf, __floatundisf): Likewise.
133 2005-11-25 David Edelsohn <edelsohn@gnu.org>
135 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
136 (rs6000_override_options): Remove initialization of
138 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
139 (rs6000_emit_stack_tie): Same.
140 (emit_frame_save): Same.
141 (gen_frame_mem_offset): Same.
142 (rs6000_emit_prologue): Same.
143 (rs6000_emit_epilogue): Same.
145 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
148 * fold-const.c (fold_build): Convert bool_var != 1 and
149 bool_var == 0 to !bool_var.
151 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
154 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
155 for C being INTEGER_CST. Likewise for !=.
157 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
160 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
161 unsigned conversions from SImode to TFmode.
163 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
165 * expr.c (expand_expr_real_1): Fix error in last change.
167 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
169 * caller-save.c: (this_insn_sets): Move into:
170 (save_call_clobbered_regs).
171 (mark_set_regs): Get this_insn_sets from data.
173 (save_call_clobbered_regs): Take sets of the return value by
174 sibcalls into account.
176 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
179 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
180 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
181 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
182 (memory_move_secondary_cost, init_reg_autoinc): Remove
183 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
184 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
185 secondary_reload_class call.
186 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
188 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
189 (push_secondary_reload): Use secondary_reload target hook.
190 (secondary_reload_class, scratch_reload_class): New functions.
191 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
192 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
193 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
194 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
195 (secondary_reload_class, scratch_reload_class): Declare.
196 * reload1.c: Include target.h.
197 (reload_adjust_reg_for_temp): New function.
198 (reload_adjust_reg_for_icode): Likewise.
199 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
200 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
202 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
203 for inheritance. Support case when both secondary & tertiary reloads
204 are for intermediate registers.
205 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
206 with secondary_reload_class call. Support case when both secondary
207 & tertiary reloads are for intermediate registers.
208 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
209 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
210 * target.h (secondary_reload_info): New struct / typedef.
211 (struct gcc_target): New member secondary_reload.
212 * targhooks.c Include reload.h, optabs.h and recog.h.
213 (default_secondary_reload): New function.
214 * targhooks.h (default_secondary_reload): Declare.
215 * doc/tm.texi: Document secondary_reload target hook. Update
216 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
217 * doc/md.texi: Likewise.
219 * sh-protos.h (sh_secondary_reload): Declare.
220 * sh.c (TARGET_SECONDARY_RELOAD): Override.
221 (sh_secondary_reload): New function.
222 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
223 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
224 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
225 (HAVE_SECONDARY_RELOADS): Define.
226 * sh.md (reload_indf): Rename to:
228 (reload_outdf): Rename to:
229 (reload_outdf__RnFRm).
230 (reload_insf): Rename to:
232 (reload_insi): Rename to:
233 (reload_insi__i_fpul).
235 2005-11-24 Uros Bizjak <uros@kss-loka.si>
237 * configure.ac: Require at least texinfo 4.4.
238 * configure: Regenerate.
240 * doc/install.texi (Tools/packages necessary for building GCC):
241 Update required version of texinfo to at least 4.4.
242 (Installing GCC: Building): Update required version of texinfo
244 (Installing GCC: Final installation): Update required version
245 of texi2dvi to at least 4.4.
246 (Host/target specific installation notes for GCC): Update required
247 version of texinfo to at least 4.4.
249 2005-11-24 Richard Guenther <rguenther@suse.de>
250 Dirk Mueller <dmueller@suse.de>
253 * c-common.h (strict_aliasing_warning): Declare.
254 * c-common.c (strict_aliasing_warning): New function,
256 * c-typeck.c (build_c_cast): ... here.
258 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
260 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
262 (swap_commutative_operands_with_target): New.
264 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
266 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
267 also when doing PRE, rather than only for global CPROP.
269 2005-11-24 Ben Elliston <bje@au.ibm.com>
271 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
272 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
274 (expand_twoval_unop): Likewise.
275 (widen_clz): Likewise.
276 (expand_parity): Likewise.
277 (expand_unop): Likewise.
278 (emit_cmp_and_jmp_insn_1): Likewise.
279 (prepare_float_lib_cmp): Likewise.
281 2005-11-24 Ben Elliston <bje@au.ibm.com>
283 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
284 Remove unused `class' variable.
286 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
289 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
290 C/C++ diagnostic function warn_array_subscript_with_type_char.
291 * c-common.h (warn_array_subscript_with_type_char): Declare.
292 * c-common.c (warn_array_subscript_with_type_char): Define.
294 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
297 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
298 compiling at the intersection of C and C++.
300 2005-11-23 Mark Mitchell <mark@codesourcery.com>
302 * doc/invoke.texi: For man pages, include gcc-vers.texi.
303 List @file in the option summary. Include the libiberty
304 documentation for @file.
305 * gcc.c (main): Call expandargv.
306 * Makefile.in (gcc-vers.texi): Define srcdir.
308 2005-11-23 Diego Novillo <dnovillo@redhat.com>
310 * passes.c (init_optimization_passes): Document
311 sequencing of passes.
313 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
315 * config/m68k/predicates.md (pcrel_address, extend_operator,
316 post_inc_operand, pre_dec_operand): Remove redundant
318 (const_uint32_operand, const_sint32_operand): Use gcc_assert
320 (valid_dbcc_comparison_p): Rewrite in the lisp style.
322 2005-11-23 Ben Elliston <bje@au.ibm.com>
324 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
326 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
328 Preparatory work for PR target/21623:
329 * alpha.c (secondary_reload_class): Rename to:
330 (alpha_secondary_reload_class).
331 * alpha.h, alpha-protos.h: Likewise.
332 * mn10300.c (secondary_reload_class): Rename to:
333 (mn10300_secondary_reload_class).
334 * mn10300.h, mn10300-protos.h: Likewise.
335 * pa.c (secondary_reload_class): Rename to:
336 (pa_secondary_reload_class).
337 * pa.h, pa-protos.h: Likewise.
338 * rs6000.c (secondary_reload_class): Rename to:
339 rs6000_secondary_reload_class.
340 * rs6000.h, rs6000-protos.h: Likewise.
342 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
345 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
347 2005-11-22 Ian Lance Taylor <ian@airs.com>
349 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
351 (prepare_cmp_insn): Likewise.
353 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
356 * m68k.md (zero_extendsidi2): Force operands[1] to a register
357 if both operands[0] and operands[1] are memory.
359 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
362 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
363 COMPARISON_CLASS_P and an integral types create create a new
364 expression with the new type and fold that.
366 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
369 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
370 to SUBTARGET_OS_CPP_BUILTINS.
372 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
374 * arm.c (emit_set_insn): New function.
375 (arm_split_constant): Call it.
376 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
377 (arm_legitimize_address): Likewise. Use plus_constant.
378 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
379 (thumb_expand_prologue): Likewise.
380 (arm_gen_load_multiple): Use VOIDmode in SET.
381 (arm_gen_store_multiple): Likewise.
382 (vfp_emit_fstmx): Likewise. Use plus_constant.
383 (emit_multi_reg_push): Likewise.
384 (emit_sfm): Use plus_constant.
386 2005-11-23 Alan Modra <amodra@bigpond.net.au>
389 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
392 2005-11-22 Alan Modra <amodra@bigpond.net.au>
395 * expmed.c (store_bit_field): Don't attempt to insv a field
398 2005-11-22 Alan Modra <amodra@bigpond.net.au>
401 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
402 explicit sign extension, not a (char) cast.
404 2005-11-22 Ben Elliston <bje@au.ibm.com>
406 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
407 GET_MODE_CLASS (x) == MODE_FLOAT.
408 * config/i386/i386.c: Likewise.
409 * config/rs6000/xcoff.h: Likewise.
410 * config/rs6000/linux64.h: Likewise.
411 * config/rs6000/rs6000.c: Likewise.
412 * config/rs6000/rs6000.h: Likewise.
413 * config/rs6000/predicates.md: Likewise.
414 * config/rs6000/sysv4.h: Likewise.
416 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
418 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
421 * config/alpha/freebsd.h, config/alpha/linux.h,
422 config/arm/linux-elf.h, config/bfin/bfin.h,
423 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
424 config/i386/beos-elf.h, config/i386/gnu.h,
425 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
426 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
427 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
428 config/rs6000/linux64.h, config/rs6000/sysv4.h,
429 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
430 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
431 config/sparc/linux.h, config/sparc/linux64.h,
432 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
434 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
435 are both defined when either flag -fpic or -fPIC are used.
437 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
439 * config/fp-bit.c (clzusi): New function.
440 (si_to_float, usi_to_float): Use it to compute proper shift.
441 (usi_to_float): Preserve guard bits when shifting right.
442 * libgcc-std.ver (GCC_4.2.0): New version.
443 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
444 __floatundisf): New functions.
445 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
446 __floatundisf): Declare.
447 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
448 _floatundixf, and _floatunditf.
449 * optabs.c (expand_float): If target does not define a pattern for
450 signed or unsigned conversion, use an unsigned libcall instead of
452 (init_optabs): Initialize ufloat_optab.
454 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
456 * config/rs6000/rs6000.opt (mmulhw): New option.
457 * doc/invoke.texi (-mmulhw): Document.
458 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
460 * config/rs6000/rs6000.md: Add half-word multiply and
461 multiply-accumulate instructions for 405 and 440.
463 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
465 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
466 which matches behavior of gcc 4.0 and older for RTEMS targets. The
467 default now includes a linker group which makes the RTEMS one nest.
469 2005-11-22 Ben Elliston <bje@au.ibm.com>
471 * cse.c (fold_rtx): Typo fix.
472 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
474 2005-11-21 Richard Henderson <rth@redhat.com>
476 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
477 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
479 * c-tree.h (lookup_name): Move declaration ...
480 * c-common.h (lookup_name): ... here.
481 * config/darwin-c.c: Include c-common.h.
482 * config/t-darwin: Update dependencies.
484 2005-11-22 Ben Elliston <bje@au.ibm.com>
486 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
487 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
488 * genopinit.c (gen_insn): Likewise.
489 * reload.c (find_equiv_reg): Likewise.
490 * loop.c (load_mems): Likewise.
491 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
492 * cse.c (find_comparison_args, fold_rtx): Likewise.
493 * dwarf2out.c (add_const_value_attribute): Likewise.
494 * expr.c (convert_move): Likewise.
495 * recog.c (general_operand, register_operand): Likewise.
496 * reg-stack.c (replace_reg): Likewise.
497 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
498 * c-common.c (handle_vector_size_attribute): Likewise.
499 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
500 (simplify_binary_operation_1): Likewise.
501 (simplify_const_binary_operation): Likewise.
502 (simplify_relational_operation): Likewise.
503 (simplify_const_relational_operation): Likewise.
504 (simplify_immed_subreg): Likewise.
505 * emit-rtl.c (gen_lowpart_common): Likewise.
506 * expmed.c (expand_mult): Likewise.
507 * stor-layout.c (layout_type): Likewise.
509 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
512 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
513 cst2 only for SPE vectors.
515 2005-11-21 David Edelsohn <edelsohn@gnu.org>
518 * config/rs6000/predicates.md (vrsave_operation): Check
519 UNSPEC_VOLATILE value.
521 2005-11-21 Jan Hubicka <jh@suse.cz>
523 PR tree-optimization/24653
524 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
526 2005-11-21 Uros Bizjak <uros@kss-loka.si>
528 * config/i386/predicates.md (ax_reg_operand): New predicate.
529 (memory_displacement_only_operand): New predicate.
530 * config/i386/i386.md ("modrm" attribute): Return 0 if one
531 operand is AX register and the other operand is memory operand
532 with displacement only.
534 2005-11-21 Uros Bizjak <uros@kss-loka.si>
536 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
537 if we don't care about NaNs or Infinities.
539 2005-11-20 Ian Lance Taylor <ian@airs.com>
541 PR rtl-optimization/24883
542 * combine.c (combinable_i3pat): When checking whether the
543 destination of i3 is used in i3, consider paradoxical subregs.
545 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
548 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
550 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
552 * combine.c (try_combine): Do not run subst on i1src and i2src in
553 the case of generating a PARALLEL for a comparison.
555 2005-11-20 Richard Henderson <rth@redhat.com>
558 * tree-sra.c (struct sra_elt): Add all_no_warning.
559 (struct sra_walk_fns) <use>: Add use_all argument.
560 (sra_walk_expr): Pass it.
561 (sra_walk_modify_expr): Likewise.
562 (scalarize_ldst): Likewise.
563 (scan_use): Update for new argument.
564 (mark_no_warning): New.
565 (scalarize_use): Use it.
567 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
569 * expr.c (expand_expr_real): Use usmul_optab for widening
570 signed * unsigned multiplies.
571 * genopinit.c (optabs): Add usmul_widen_optab.
572 * optabs.c (init_optabs): Likewise.
573 * optabs.h (enum optab_index): Add OTI_usmul_widen.
574 (usmul_widen_optab): Define.
575 * config/bfin/bfin.md (usmulhisi3): New pattern.
577 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
579 2005-11-20 Graham Stott <btinternet.com>
581 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
583 2005-11-20 Andreas Schwab <schwab@suse.de>
586 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
589 2005-11-19 Richard Henderson <rth@redhat.com>
592 * tree-gimple.c (is_gimple_id): Export.
593 * tree-gimple.h (is_gimple_id): Declare.
594 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
595 (get_default_value): Use it.
596 (maybe_fold_stmt_indirect): Likewise.
598 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
600 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
601 than VR1 or vice-versa.
603 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
607 * reload.c (find_reloads_address_1): Mention dependency on
609 * reload1.c (gen_reload): For IN with an unary operation, try
610 moving inner expression to OUT if trivial SET is not valid.
611 Confirm that the result is valid. Move common code block into...
612 (emit_insn_if_valid_for_reload): New function.
614 2005-11-19 Richard Guenther <rguenther@suse.de>
616 * fold-const.c (fold_indirect_ref_1): Make sure we fold
617 ARRAY_REFs of constant strings.
619 2005-11-19 Jakub Jelinek <jakub@redhat.com>
621 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
624 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
626 * combine.c (make_compound_operation): Swap operands of
627 commutative operation if necessary before returning.
629 2005-11-19 Richard Guenther <rguenther@suse.de>
632 * fold-const.c (fold_plusminus_mult_expr): New function.
633 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
634 cases, remove now unnecessary code.
636 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
638 * gensupport.c (old_preds): Rename to std_preds, add special field.
639 (struct old_pred_table): Rename to struct std_pred_table, add special
641 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
642 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
643 (init_predicate_table): Adjust, and set along the way whether a
644 predicate is special.
646 2005-11-18 Mark Mitchell <mark@codesourcery.com>
648 * BASE-VER: Change to 4.2.0.
650 2005-11-18 James E Wilson <wilson@specifix.com>
652 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
655 2005-11-18 Mike Stump <mrs@apple.com>
657 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
658 * config/darwin-c.c (darwin_pragma_unused): Likewise.
659 * c-decl.c (lookup_name_two) Remove.
660 * c-tree.h (lookup_name_two): Remove.
661 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
662 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
663 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
664 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
666 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
669 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
670 when not generating code to use that co-processor.
672 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
674 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
675 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
676 these functions are now in tree-phinodes.c.
678 2005-11-18 Jie Zhang <jie.zhang@analog.com>
680 * config/bfin/bfin.md (trap): New pattern.
682 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
684 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
687 * expr.c (expand_expr_real): Don't call record_block_change unless
688 ib_boundaries_block is non-null
690 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
692 * fold-const.c (build_range_check): Use proper type for subtraction
693 when merging lower bound.
695 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
697 PR rtl-optimization/24497
698 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
701 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
703 * tree-scalar-evolution.c (expression_expensive_p): New function.
704 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
706 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
708 * config/bfin/crtlibid.s: New file.
710 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
713 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
714 when not using sjlj exceptions.
715 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
716 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
717 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
718 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
719 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
720 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
721 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
722 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
723 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
724 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
725 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
726 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
727 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
729 * config/pa/hpux-unwind.h: New file.
731 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
733 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
734 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
735 * varasm.c (do_assemble_alias): Adjust call.
736 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
738 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
740 2005-11-17 James E Wilson <wilson@specifix.com>
742 * tree.def (FUNCTION_DECL): Correct typo in comment.
744 2005-11-17 Richard Henderson <rth@redhat.com>
746 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
747 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
748 and DW_CFA_def_cfa_sf.
749 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
750 (dbx_reg_number): Don't assert particular registers here.
751 (based_loc_descr): ... do it here instead. Fold in ...
752 (eliminate_reg_to_offset): ... this function.
753 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
754 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
755 * unwind-dw2.c (execute_cfa_program): Apply data align factor
756 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
757 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
758 (instantiate_virtual_regs): Likewise.
759 * var-tracking.c (adjust_stack_reference): Likewise.
760 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
762 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
764 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
765 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
766 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
768 ($(T)crtlibid.o): New rule.
770 2005-11-16 Richard Guenther <rguenther@suse.de>
773 * fold-const.c (extract_array_ref): Return byte offset
775 (fold_binary): Fold &x[a] CMP &x[b] to
776 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
779 2005-11-16 Richard Henderson <rth@redhat.com>
782 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
783 parts of an SSA_NAME.
785 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
788 * arm.md (split for movsf with immediate): Restrict split to insns
789 that set a general register.
791 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
793 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
795 * unwind-dw2.c (uw_advance_context): Likewise.
796 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
797 _Unwind_SjLj_Unregister.
798 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
800 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
802 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
804 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
806 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
807 langhook to get a DImode integer type.
809 2005-11-16 Richard Henderson <rth@redhat.com>
810 J"orn Rennecke <joern.rennecke@st.com>
811 Ulrich Weigand <uweigand@de.ibm.com>
815 * reload1.c (reg_equiv_invariant): New.
816 (reload): Allocate, initialize, and free it.
817 (calculate_needs_all_insns): Check it when skipping equivalence
819 (alter_reg): Likewise.
820 (eliminate_regs_1): Rename from eliminate_regs. Add new
821 may_use_invariant argument; only use reg_equiv_invariant when true.
822 (eliminate_regs): New.
823 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
824 a context for which may_use_invariant may be true.
826 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
828 * fold-const.c (const_binop): Don't constant fold the operation
829 if the result has overflowed and flag_trapping_math.
830 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
832 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
834 * config/arm/unwind-arm.c (abort): Add prototype here.
835 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
836 (struct phase1_vrs): Add prev_sp.
837 (unwind_phase2_forced): Save the original core registers instead of
838 modifying entry_vrs. Take a new flag argument for resuming unwinding
839 and set action flags accordingly. Always set _US_END_OF_STACK when
840 get_eit_entry fails. Unwind before calling the stop function.
841 (_Unwind_GetCFA): New function.
842 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
843 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
844 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
845 just call unwind_phase2_forced.
846 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
847 * config/arm/unwind-arm.h (abort): Remove prototype.
848 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
850 (_Unwind_GetCFA): New prototype.
851 * config/arm/pr-support.c (abort): Add prototype here.
852 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
854 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
855 not schedule the prologue with non-call exceptions and EABI.
857 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
859 * config/arm/unwind-arm.h: Reorder interface function declarations.
860 (_URC_END_OF_STACK): New enumeration value.
861 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
862 (struct _Unwind_Control_Block): Document reserved field use.
863 (_Unwind_Stop_Fn): New typedef.
864 (_Unwind_ForcedUnwind): Declare.
865 (_Unwind_Resume_or_Rethrow): Declare.
866 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
868 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
869 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
870 (UCB_FORCED_STOP_ARG): New.
871 (search_EIT_table): Update boundary condition checks.
872 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
873 (unwind_phase2): Replace for with do..while.
874 (unwind_phase2_forced): New.
875 (__gnu_Unwind_RaiseException): Replace for with do..while.
876 (__gnu_Unwind_ForcedUnwind): New.
877 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
878 Use appropriate phase2 unwinder.
879 (__gnu_Unwind_Resume_or_Rethrow): New.
880 (__gnu_unwind_pr_common): Cope with forced unwinding.
882 2005-11-16 David Edelsohn <edelsohn@gnu.org>
885 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
887 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
888 roundsf2): Remove "s" from mnemonic.
890 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
892 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
894 * config/bfin/crtn.s: Change epilogues to match.
895 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
896 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
899 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
902 * doc/invoke.texi: Distinguish between free and fixed form instead of
903 Fortran and Fortran 90/95. Remove ratfor from the list of supported
905 * gcc.c (default_compilers): Remove double entries, add entries for
906 suffixes '.F90' and '.F95'.
908 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
910 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
911 in the stack probing loop.
913 2005-11-15 David Edelsohn <edelsohn@gnu.org>
915 * configure.ac: Use .machine power5 not power5x.
916 * configure: Regenerate.
918 2005-11-15 Mike Stump <mrs@apple.com>
920 * c-decl.c (lookup_name_two): Add.
921 * c-tree.h (lookup_name_two): Likewise.
922 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
923 * config/darwin-c.c (darwin_pragma_unused): Likewise.
925 2005-11-16 Alan Modra <amodra@bigpond.net.au>
927 PR rtl-optimization/23392
928 * regrename.c (enum scan_actions) Add mark_access.
929 (scan_actions_name): Ditto.
930 (scan_rtx_reg): Handle mark_access.
931 (scan_rtx_address): Do nothing for mark_access.
932 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
933 and regs in REG_INC notes before closing chains for dead regs.
934 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
935 opening chains for new writes.
937 2005-11-15 David Edelsohn <edelsohn@gnu.org>
939 * c.opt (ffixed-line-length-none): New.
941 2005-11-15 Steve Ellcey <sje@cup.hp.com>
943 * mklibgcc.in: Change contents of eh_dummy.c.
945 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
947 * loop.c (scan_loop): Do not insert temporaries for hard registers.
949 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
951 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
953 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
955 2005-11-15 Jan Hubicka <jh@suse.cz>
957 * invoke.texi (large-unit-insns): Document.
958 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
959 * params.def (large-unit-insns): New param.
961 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
964 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
965 special register for operand 3. Reindent constraints to align
968 2005-11-14 David Edelsohn <edelsohn@gnu.org>
970 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
971 -mpopcntb, -mfprnd. Add -mcpu=power5+.
972 * configure.ac: Add test for FP rounding instructions.
973 * configure: Regenerate.
974 * config.in: Regenerate.
975 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
976 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
978 * config/rs6000/rs6000.opt (mfprnd): New.
979 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
980 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
981 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
982 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
984 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
986 (btrunc<mode>2): New.
991 2005-11-14 Geoffrey Keating <geoffk@apple.com>
993 * gcc.c (version_compare_spec_function): Use fatal() rather than
996 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
997 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
998 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1000 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1003 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1004 on -mmacosx-version-min setting.
1006 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1009 * tree-vrp.c (infer_value_range): Return false if STMT is a
1010 block terminator and its basic block has no successors.
1012 2005-11-14 Mike Stump <mrs@apple.com>
1014 * config/i386/i386.c (override_options): -masm=intel isn't
1015 supported on darwin.
1016 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1018 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1020 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1021 vfork after including auto-host.h.
1023 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1025 PR rtl-optimization/22002
1026 * combine.c (distribute_notes): Detect cases where a reg dies
1027 two or more times in a bb, including on the insn we are combining,
1028 and place the death note on the correct range.
1030 2005-11-14 Dale Johannesen <dalej@apple.com>
1032 * expmed.c (store_bit_field): Add offset unconditionally for
1034 (extract_bit_field): Don't force extzv or extv operand into
1035 a register if field is too big.
1037 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1039 * config/arm/arm.c (pic_labelno): New.
1040 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1041 LABEL_REF. Pass only the labelno to PIC insns.
1042 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1043 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1044 * arm.md (UNSPEC_PIC_LABEL): New constant.
1045 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1046 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1047 Use the correct label prefix.
1049 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1051 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1054 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1056 * loop-invariant.c: Include tm_p.h.
1057 * Makefile.in: Updated.
1059 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1061 * pa.c (store_reg): Revise generation of frame notes in large frames.
1062 (set_reg_plus_d): Likewise.
1064 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1066 PR tree-optimization/24709
1067 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1070 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1072 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1073 and duplicate declaration of pthread_self.
1075 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1076 Ian Lance Taylor <ian@airs.com>
1079 * calls.c (expand_call): If TARGET is a MEM and some part of the
1080 argument area has been saved, force TARGET to a register.
1082 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1084 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1087 2005-11-13 Jason Merrill <jason@redhat.com>
1090 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1091 lazily declared methods.
1092 (force_decl_die): Stop if forcing out the context already make a
1094 (force_type_die): Likewise.
1096 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1099 * builtins.c (integer_valued_real_p): Add break in
1100 REAL_CST having TREE_OVERFLOW set.
1102 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1104 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1105 addressing modes during calculation of costs.
1107 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1109 * function.c (assign_stack_local_1): Restrict sanity check
1110 on frame size overflow to 32-bit and above platforms.
1112 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1114 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1115 * config/cris/cris.c: Include reload.h.
1116 (cris_initial_elimination_offset): New function.
1117 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1120 2005-11-12 Richard Guenther <rguenther@suse.de>
1122 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1124 2005-11-12 Jan Hubicka <jh@suse.cz>
1126 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1127 to compare against 0 when possible.
1129 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1131 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1132 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1133 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1134 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1137 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1139 * recog.c (constrain_operands) <case 'g'>: For a match, require
1140 that a non-register matches general_operand when strict >= 0.
1142 2005-11-11 Steven Bosscher <stevenb@suse.de>
1144 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1147 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1149 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1150 (memory_address_same): New.
1151 (dse_optimize_stmt): Call memory_address_same.
1153 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1156 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1157 ZERO_EXTEND>: New cases.
1159 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1161 * longlong.h (__clz_tab): Always provide.
1163 2005-11-11 Steven Bosscher <stevenb@suse.de>
1166 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1168 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1169 before check_maybe_invariant.
1170 (move_invariant_reg): Use gen_move_insn instead of replacing
1171 SET_DEST with the temporary for the invariant.
1172 (move_loop_invariants): If checking is enabled, do internal
1173 consistency checks after completing the pass.
1175 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1178 * common.opt (Wvolatile-register-var): New.
1179 * varasm.c (make_decl_rtl): Only emit warning when option
1180 specified. Clarify warning message.
1181 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1183 * doc/md.texi (copysign): Document standard named pattern.
1185 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1187 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1188 bytes when align is 2.
1189 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1190 by the first instruction of the loop.
1192 2005-11-11 Jason Merrill <jason@redhat.com>
1195 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1198 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1200 PR rtl-optimization/22509
1201 * local-alloc.c (memref_used_between_p): Check whether a function call
1202 could not reference the memref.
1204 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1206 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1207 algorithm so as to choose the best, not the worst, alternative.
1208 Reset accumulated register class before processing next alternative.
1210 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1213 * calls.c (expand_call): Copy a return value to a plain register
1216 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1219 * varasm.c (assemble_name): Recompute name only for transparent
1222 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1224 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1226 2005-11-04 Jeff Law <law@redhat.com>
1229 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1230 perform reassociation if the parent statement will not die as
1231 a result of the optimization.
1233 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1235 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1236 delete_old_heap_vars.
1237 * tree-dfa.c (referenced_var_remove): Remove function.
1238 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1239 (delete_tree_ssa): Remove call to delete_old_heapvars.
1240 Add call to delete_alias_heapvars.
1241 * tree-flow.h (referenced_var_remove): Remove prototype
1242 (init_alias_heapvars): New prototype.
1243 (delete_alias_heapvars): Ditto.
1244 * Makefile.in (tree-ssa-structalias.o): Add
1245 gt-tree-ssa-structalias.o
1246 (GTFILES): Add tree-ssa-structalias.h and
1247 tree-ssa-structalias.c.
1248 (s-gtype): Add gt-tree-ssa-structalias.h.
1249 * tree-ssa-structalias.c (heapvars): Remove.
1250 (oldheapvars): Remove.
1251 (heapvar_for_stmt): New variable.
1252 (heapvar_lookup): New function.
1253 (heapvar_insert): Ditto.
1254 (get_constraint_for): See if we have an old heapvar
1256 (init_alias_heapvars): New function.
1257 (delete_alias_heapvars): Ditto.
1258 Add include of gt-tree-ssa-structalias.h.
1260 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1263 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1265 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1267 * tree.c (int_fits_type_p): Only look at the base type
1268 if it has the same precision as the original type.
1270 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1273 * varasm.c (assemble_alias): Use %q+D in the error
1274 message instead of %J and %qD.
1276 2005-11-10 Richard Guenther <rguenther@suse.de>
1278 * gcse.c (free_ldst_entry): Only free hashtable if
1281 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1283 * function.c (assign_stack_local_1): Issue an error message if
1284 the frame size overflows in the signed target arithmetics.
1286 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1288 * tree.c (build_qualified_type): Chain the new type to the original
1289 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1290 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1291 (build_pointer_type_for_mode): Only return unqualified types.
1292 (build_reference_type_for_mode): Likewise.
1294 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1296 * Makefile.in (gnucompare): Do comparison of all files using one of
1297 the chosen methods and only afterwards decide if just warning should
1298 be issued or comparison failure raised.
1300 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1302 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1303 (noce_try_abs): Negate if the comparison is reversed.
1304 Look only one instruction backwards for a REG_EQUAL note.
1306 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1309 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1310 gthr-tpf.h: Define __gthrw. For all identifiers that might
1311 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1312 and prefix all uses with __ghtrw.
1314 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1317 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1318 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1319 * c-common.c (handle_weakref_attribute): New.
1320 (c_common_attribute_table): Add weakref.
1321 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1323 * configure, config.in: Rebuilt.
1324 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1325 * doc/extend.texi: Document weakref attribute.
1326 * varasm.c (ultimate_transparent_alias_target): New
1327 (assemble_name): Use it.
1328 (weak_finish_1): Split out of...
1329 (weak_finish): ... and deal with weakrefs in...
1330 (weakref_targets): ... new list.
1331 (globalize_decl): Clean up weakref_targets.
1332 (do_assemble_alias): Handle weakrefs.
1333 (finish_aliases_1): Do not reject weakrefs to external symbols.
1334 (assemble_alias): Handle weakrefs.
1336 2005-11-09 Richard Guenther <rguenther@suse.de>
1338 PR tree-optimization/24716
1339 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1340 t_bool to track results from follow_ssa_edge.
1342 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1344 * final.c (force_source_line): New global variable.
1345 (final_scan_insn): Set it to true instead of clearing last_filename.
1346 (notice_source_line): Return true if force_source_line is true,
1347 unless source info is absent.
1349 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1352 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1353 a linkage name for a variable if it a register variable.
1354 * c-decl.c (grokdeclarator): Global register variables
1355 should be set as PUBLIC.
1357 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1360 * config/s390/s390.c (struct s390_frame_layout): New fields
1361 first_save_gpr_slot and last_save_gpr_slot.
1362 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1363 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1364 first_save_gpr and last_save_gpr with the _slot variants.
1365 (s390_register_info): Calculate first_save_gpr_slot and
1366 last_save_gpr_slot using regs_ever_live.
1368 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1371 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1372 for a function containing a landing pad.
1374 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1377 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1380 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1382 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1383 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1385 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1388 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1390 (call,load,store): New insn types.
1391 (mem_access, branch_access): Adjust reservation conditions.
1392 (define_delay): Adjust condition.
1393 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1395 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1396 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1398 (call_internal, call_value_internal, return_internal,
1399 return_interrupt_internal, eh_return_internal, indirect_jump,
1400 tablejump): Set call insn type.
1401 (blockage, ei, di): Use appropriate unspec const.
1402 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1403 (ms1_get_attr_type): Adjust to give load & store types.
1404 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1405 backwards past a barrier.
1406 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1408 (struct branch_info, struct label_info): New.
1410 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1411 (ms1_machine_reorg): New.
1412 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1413 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1414 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1415 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1418 2005-11-09 Per Bothner <per@bothner.com>
1419 Uros Bizjak <uros@kss-loka.si>
1422 * toplev.c (process_options): Initialize debug_hooks early
1423 in case lang_hooks.post_options ends up calling a debug_hook.
1425 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1427 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1428 DBX_REGISTER_NUMBER being contiguous.
1430 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1431 Diego Novillo <dnovillo@redhat.com>
1434 * tree-vrp.c (register_edge_assert_for): Do not register
1435 always-false predicates.
1437 2005-11-08 Devang Patel <dpatel@apple.com>
1439 PR tree-optimization/23115
1440 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1443 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1445 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1448 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1450 Fix PR tree-optimization/23382
1452 * tree-ssa-alias.c (compute_may_aliases): Call
1453 delete_old_heap_vars.
1454 * tree-dfa.c (referenced_var_remove): New function.
1455 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1456 * tree-flow.h (referenced_var_remove): Add prototype.
1457 (delete_old_heap_vars): Ditto.
1458 * tree-ssa-structalias.c (heapvars): New variable.
1459 (oldheapvars): Ditto.
1460 (get_constraint_for): Put heap vars on heapvars list.
1461 (delete_old_heap_vars): New function.
1463 2005-11-08 Jason Merrill <jason@redhat.com>
1465 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1467 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1470 * reg-stack.c (reg_to_stack): Update register liveness also
1471 for flag_sched2_use_traces.
1473 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1476 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1477 override prior explicit -mno-powerpc-gfxopt.
1479 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1481 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1482 if the bitsize is zero.
1483 * doc/md.texi (Standard Pattern Names): Document it.
1485 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1486 (TARGET_PASS_BY_REFERENCE): Likewise.
1488 2005-11-07 Ian Lance Taylor <ian@airs.com>
1490 PR rtl-optimization/24683
1491 * config/i386/i386.c (legitimize_pic_address): If constant operand
1492 to PLUS is too large, put it in a register.
1494 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1496 * configure.ac: Enable checking assembler dwarf2 support for bfin
1498 * configure: Regenerate.
1500 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1504 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1505 gen_easy_vector_constant_add_self): Delete.
1506 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1508 (output_vec_const_move): Use gen_easy_altivec_constant.
1509 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1510 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1511 (easy_vector_constant_add_self): Rewritten.
1512 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1513 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1514 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1515 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1516 Macroize and adjust for the other changes.
1518 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1522 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1523 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1525 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1527 PR rtl-optimization/23567
1528 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1529 (noce_process_if_block): Don't do any optimizations except
1530 if (cond) x = x; if !set_b and write into orig_x may trap
1531 or fault. Remove the MEM_READONLY_P check.
1533 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1536 * tree-vrp.c (fix_equivalence_set): New.
1537 (extract_range_from_assert): Call it.
1539 2005-11-05 Ian Lance Taylor <ian@airs.com>
1542 * combine.c (apply_distributive_law): Don't distribute across a
1545 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1547 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1548 config/ms1/ms1.h, config/rs6000/predicates.md,
1549 config/s390/s390.c, params.def, postreload-gcse.c,
1550 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1551 tree-vrp.c, tree.c: Fix comment typos.
1552 * doc/invoke.texi: Fix typos.
1554 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1556 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1557 for testing whether the data_dependence_relation contains distance
1558 vectors. Iterate over all distance vectors of the ddr.
1559 * lambda.h: Define a vec of lambda_vector pointers.
1560 * tree-data-ref.c (dump_data_dependence_relation,
1561 dump_data_dependence_direction): Iterate over all distance and
1562 direction vectors of the ddr.
1563 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1565 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1566 of distance/direction vectors instead of a single one.
1567 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1568 lambda_vectors with a vec of lambda_vectors.
1569 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1570 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1571 DDR_NUM_DIST_VECTS): New.
1572 * tree-loop-linear.c (gather_interchange_stats): Test for the
1573 existence of distance vectors only after having checked that there
1574 is a dependence. Iterate over all distance vectors of the ddr.
1575 (linear_transform_loops): Use dump_data_dependence_relation.
1576 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1577 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1578 distance vectors of the ddr.
1580 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1582 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1583 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1584 IS_INTHANDLER; all callers changed.
1585 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1587 (do_link, do_unlink): New argument ALL; all callers changed.
1588 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1589 If function isn't leaf, save and restore all registers.
1590 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1593 2005-11-05 Jan Hubicka <jh@suse.cz>
1595 PR rtl-optimization/23490
1596 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1597 max-flow-memory-location): Document.
1598 * flow.c: Include params.h
1599 (MAX_MEM_SET_LIST_LEN): Kill.
1600 (add_to_mem_set_list): Use new param.
1601 * cse.c (cse_basic_block): Replace 1000 by new param.
1602 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1603 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1604 * predict.c (predict_loops): Use new param.
1605 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1607 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1608 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1609 Do not hold memory returned by cgraph_node_name across other call.
1611 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1614 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1617 2005-11-04 Jeff Law <law@redhat.com>
1620 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1621 * tree-ssa-dom.c: Include params.h.
1622 (thread_across_edge): If there are too many statements in the
1623 target block, then do not thread through it.
1624 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1625 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1627 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1630 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1631 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1633 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1636 * tree-scalar-evolution.c (instantiate_parameters_1,
1637 instantiate_parameters, resolve_mixers): Compute the size of an
1638 expression to be instantiated and give up the instantiation if the
1639 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1641 2005-11-04 Richard Guenther <rguenther@suse.de>
1643 * tree-flow.h (ref_contains_indirect_ref): Rename to
1644 array_ref_contains_indirect_ref.
1645 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1646 (array_ref_contains_indirect_ref): Make comment match the code
1648 (ref_contains_array_ref): Likewise.
1649 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1650 ref_contains_indirect_ref.
1651 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1652 Rename calls to ref_contains_indirect_ref.
1654 2005-11-04 Paul Brook <paul@codesourcery.com>
1656 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1657 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1658 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1659 * config/arm/arm.md: Use match_operand in peephole input templates
1660 and match_dup in peephole output templates.
1662 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1664 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1667 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1668 Daniel Jacobowitz <dan@codesourcery.com>
1670 * longlong.h (add_ssaaaa): Clobber condition code register
1672 (sub_ddmmss): Likewise.
1673 (umul_ppmm): Likewise.
1675 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1676 Paul Brook <paul@codesourcery.com>
1677 Phil Blundell <pb@reciva.com>
1679 * configure.ac: Add test for ARM TLS support.
1680 * configure: Regenerated.
1681 * config/arm/arm-protos.h (legitimize_tls_address)
1682 (arm_tls_referenced_p, tls_mentioned_p)
1683 (arm_output_addr_const_extra): New prototypes.
1684 (thumb_legitimize_pic_address): Delete.
1685 * config/arm/arm.c: Include "gt-arm.h".
1686 (enum tls_reloc): New.
1687 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1688 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1689 (arm_call_tls_get_addr, legitimize_tls_address)
1690 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1691 (arm_init_tls_builtins, arm_emit_tls_decoration)
1692 (arm_output_addr_const_extra): New functions.
1693 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1694 (TARGET_HAVE_TLS): Define.
1695 (target_thread_pointer): New.
1696 (arm_override_options): Handle -mtp=.
1697 (legitimize_pic_address): Ignore UNSPECs.
1698 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1700 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1701 (tls_get_addr_libfunc): New variable.
1702 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1703 (arm_init_builtins): Call arm_init_tls_builtins.
1704 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1705 (arm_encode_section_info): Call default_encode_section_info.
1706 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1707 (enum arm_tp_type): New.
1708 (target_thread_pointer): Add declaration.
1709 (LEGITIMATE_CONSTANT_P): Handle TLS.
1710 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1711 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1712 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1713 * config/arm/arm.md: Add UNSPEC_TLS.
1714 (movsi): Handle TLS.
1715 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1717 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1718 (load_tp_hard, load_tp_soft): New insns.
1719 * arm.opt: Add -mtp=.
1720 * doc/invoke.texi (ARM Options): Document -mtp.
1722 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1724 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1725 * config/arm/libunwind.S: Include "lib1funcs.asm".
1726 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1727 (LIB2ADDEH): Add libunwind.S.
1728 (LIB2ADDEHDEP): Add lib1funcs.asm.
1729 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1731 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1734 * gcc/c.opt: Add a -lang-fortran option.
1735 * gcc/c-opts.c: Add a lang_fortran flag.
1736 (c_common_init_options): Handling the -lang-fortran option.
1737 (c_common_handle_option): Add a case for Fortran options in
1738 preprocessing. Remove cases for -ffixed-form and
1739 -ffixed-line-length. Add a case for -lang-fortran.
1741 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1743 * config/rs6000/rs6000.c: Include params.h
1744 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1745 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1746 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1747 (UNSPEC_VPKUWSS): Delete.
1748 (altivec_vpkuhss): Delete.
1749 (altivec_vpkuwss): Delete.
1750 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1752 (neg_eq0<mode>): Remove final condition.
1753 (neg_eq<mode>): Remove condition and split-condition.
1755 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1757 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1758 Use associated print macros.
1760 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1763 * diagnostic.c (diagnostic_set_info_translated): New function.
1764 (diagnostic_set_info): Use it. Add comment.
1765 * diagnostic.h (diagnostic_set_info_translated): Declare.
1767 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1769 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1770 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1771 reference only if 'public' is true.
1772 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1773 emit the .hidden directive only if the indirect reference is public.
1774 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1775 Pass it to dw2_force_const_mem.
1776 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1777 * dwarf2out.c (output_cfi): Adjust calls to above function.
1778 (output_call_frame_info): Likewise.
1779 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1780 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1782 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1784 PR tree-optimization/24483
1785 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1786 field to elts if possible.
1788 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1791 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1794 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1796 Fix PR tree-optimization/24351
1798 * tree-ssa-structalias.c (struct variable_info): Add
1800 (get_varinfo_fc): New function to follow collapsing.
1801 (new_var_info): Set collapsed_to to NULL.
1802 (dump_constraint): Follow collapsing.
1803 (build_constraint_graph): Handle collapsing.
1804 (do_simple_structure_copy): Return false if something bad
1806 (collapse_rest_of_var): New function.
1807 (do_structure_copy): Collapse if do_simple_structure_copy returns
1810 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1813 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1814 expressions to a statement list instead of gimplifying them.
1816 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1818 PR rtl-optimization/23585
1819 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1820 that can't trap plus a constant integer, if the mode has zero size.
1822 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1825 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1827 ("*insv<mode>_reg_extimm"): Likewise.
1829 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1832 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1833 c_common_type_for_mode returns an unnamed type.
1835 2005-11-02 Richard Henderson <rth@redhat.com>
1839 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1840 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1841 * function.c (assign_parms): Use calls.internal_arg_pointer.
1842 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1844 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1845 (TARGET_CALLS): Add it.
1846 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1847 * targhooks.c (default_internal_arg_pointer): New.
1848 * targhooks.h (default_internal_arg_pointer): Declare.
1849 * tree.h (dwarf2out_reg_save_reg): Declare.
1850 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1851 * config/i386/i386.c (dbx_register_map): Add return column.
1852 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1853 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1854 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1855 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1856 (ix86_save_reg): Save force_align_arg_pointer.
1857 (ix86_emit_save_regs): Make regno unsigned.
1858 (ix86_emit_save_regs_using_mov): Likewise.
1859 (ix86_expand_prologue): Handle force_align_arg_pointer.
1860 (ix86_expand_epilogue): Likewise.
1861 * config/i386/i386.h: (dbx_register_map): Update.
1862 (dbx64_register_map, svr4_dbx_register_map): Update.
1863 (struct machine_function): Add force_align_arg_pointer.
1864 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1865 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1866 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1868 2005-11-02 Jan Hubicka <jh@suse.cz>
1871 * i386.md: Add peep2 for simplyfing array accesses.
1873 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1876 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1877 * config/s390/s390.c (s390_decompose_shift_count): New function.
1878 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1879 (print_shift_count_operand): Use s390_decompose_shift_count.
1880 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1881 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1883 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1886 * loop.c (loop_givs_rescan): Use force_operand to expand
1889 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1892 * fold-const.c (build_range_check): Use unsigned when signed
1893 overflow is undefined also. If etype is subtype, make sure that
1894 the subtraction is in the supertype.
1896 2005-11-02 Richard Henderson <rth@redhat.com>
1899 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1902 2005-11-01 Richard Henderson <rth@redhat.com>
1905 * loop.c (scan_loop): Do not propagate computations to a hard
1906 register destination with SMALL_REGISTER_CLASSES.
1908 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1910 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1911 costs for MULT inside PLUS or MINUS.
1913 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1915 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1916 (TRAMPOLINE_SIZE): Round up to 60.
1917 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1919 2005-10-31 James E. Wilson <wilson@specifix.com>
1922 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1923 ifdef. Put ifdefs around call in gen_subprogram_die.
1924 (compute_frame_pointer_to_cfa_displacement): Likewise.
1925 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1928 PR rtl-optimization/17356
1929 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1930 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1932 2005-10-31 Jan Hubicka <jh@suse.cz>
1935 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1938 * i386.c (legitimize_pic_address): Deal with large immediates.
1941 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1942 from symbol names while computing checkup.
1945 * predict.c (predict_loops): Do not estimate more than
1946 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1947 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1949 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1951 PR tree-optimization/19097
1952 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1954 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1956 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1958 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1961 * tree-inline.c (setup_one_parameter): If the init_stmt
1962 is NULL, don't insert the statement.
1964 2005-10-30 Jan Hubicka <jh@suse.cz>
1966 PR tree-optimization/24172
1967 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1969 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1971 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1972 constants for hosts with long != 32 bits.
1974 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1977 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1979 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1981 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1982 (TARGET_MS1_16_002): New.
1983 (TARGET_MS1_16_003): New.
1985 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1986 ("*decrement_and_branch_until_zero_no_clobber"): New.
1987 Add corresponding splitter for decrement_and_branch_until_zero
1989 Key all decrement_and_branch_until_zero patterns off of
1992 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1995 * tree-complex.c (extract_component): Treat RESULT_DECL
1996 like the rest of the decls.
1998 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2000 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2001 indirect call to _mcount if the function needs a static chain.
2003 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2004 Caroline Tice <ctice@apple.com>
2006 PR rtl-optimization/24460
2007 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2008 (dwarf2out_switch_text_section): Set it to true instead of
2009 incrementing separate_line_info_table_in_use.
2010 (output_loc_list): Additionally test have_switched_text_sections.
2011 (output_ranges): Likewise.
2012 (dwarf2out_finish): Likewise.
2013 * varasm.c (assemble_start_function): Do not call
2014 insert_section_boundary_note.
2015 (assemble_end_function): If flag_reorder_blocks_and_partition,
2016 switch to the function's section before emitting the .size directive.
2017 * bb-reorder.c (insert_section_boundary_note): Staticify.
2018 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2019 * output.h (insert_section_boundary_note): Delete.
2021 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2024 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2025 instead of pointer equality when comparing types.
2027 2005-10-24 James E. Wilson <wilson@specifix.com>
2029 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2030 add_dependence_list_and_free calls.
2032 2005-10-24 Steven Bosscher <stevenb@suse.de>
2034 * contrib.texi: Add the names of the LLNL folks who donated
2035 Cray pointer support for gfortran.
2037 2005-10-24 Steven Bosscher <stevenb@suse.de>
2039 PR tree-optimization/24225
2040 * profile.c (branch_prob): Look from end to start through a
2041 basic block when looking for a locus.
2043 2005-10-24 Richard Henderson <rth@redhat.com>
2045 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2047 (hppa_expand_prologue): Likewise.
2049 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2051 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2052 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2053 * pa.h (NO_PROFILE_COUNTERS): Define.
2054 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2055 (funcdef_nos): New vector to hold label numbers of deferred profile
2057 (output_deferred_profile_counters): New function.
2058 (hppa_profile_hook): Push label number onto funcdef_nos.
2059 (pa_hpux_file_end): Call output_deferred_profile_counters if
2060 NO_DEFERRED_PROFILE_COUNTERS is false.
2062 * pa-protos.h (get_deferred_plabel): New prototype.
2063 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2065 (output_call): Adjust calls.
2067 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2069 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2070 peculiarity of GOT/TOC section usage.
2072 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2075 * c-common.c (constant_string_class_name): Add documentation.
2077 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2080 * recog.c (peephole2_optimize): Increment peep2_current_count
2081 only when the slot is empty.
2083 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2086 * except.c (output_function_exception_table): Call
2087 assemble_external_libcall if we need a personality function.
2089 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2091 PR rtl-optimization/24460
2092 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2093 set the basic block for barriers.
2095 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2097 * var-tracking.c (vt_initialize): Initialize post.
2099 2005-10-21 Devang Patel <dpatel@apple.com>
2102 * c-common.c (vector_types_convertible_p): Check vector element type.
2104 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2106 * config/sh/sh.c (prepare_move_operands): Handle the address
2107 constant which is a tls symbolic address plus a constant.
2109 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2112 * gcc.c (main): Use the correct counter for erroring out
2113 about mulitple files.
2115 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2118 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2119 use r2 for 64-bit tls .got access.
2121 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2123 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2126 2005-10-20 Steven Bosscher <stevenb@suse.de>
2128 PR tree-optimization/24307
2129 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2131 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2134 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2136 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2137 is ready, stop marking functions, but still mark variables.
2139 2005-10-20 Richard Guenther <rguenther@suse.de>
2142 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2145 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2147 PR rtl-optimization/23585
2148 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2149 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2150 (may_trap_p_1): New predicate extracted from...
2151 (may_trap_p): ... here. Invoke may_trap_p_1.
2152 (may_trap_or_fault_p): New predicate.
2153 * rtl.h (may_trap_or_fault_p): Declare it.
2154 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2155 instead of may_trap_p.
2156 (steal_delay_list_from_fallthrough): Likewise.
2157 (fill_simple_delay_slots): Likewise.
2158 (fill_slots_from_thread): Likewise.
2159 * function.c (pad_to_arg_alignment): Rework comment about
2160 SPARC_STACK_BOUNDARY_HACK.
2161 * config/sparc/sparc.h: Likewise.
2163 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2165 * config/s390/s390.c (s390_expand_insv): New.
2166 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2167 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2168 ("icm_hi"): Remove mode attribute.
2169 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2171 ("*extracthi", "*extractqi"): Remove.
2172 (extv<mode>", "*extzv<mode>"): New.
2173 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2174 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2176 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2178 * cfgexpand.c (discover_nonconstant_array_refs_r,
2179 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2180 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2181 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2182 discover_nonconstant_array_refs.
2184 2005-10-19 Steven Bosscher <stevenb@suse.de>
2187 * c-decl.c (pop_scope): Don't warn about an unused variable
2188 if it is marked with TREE_NO_WARNING.
2189 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2190 somenow mismatch and olddecl is to be replaced.
2192 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2195 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2196 whether registers live on the edge can be saved/restored.
2198 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2200 * config/sh/sh.c (fixup_mova): Skip notes.
2202 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2204 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2205 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2206 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2207 (s390_initial_elimination_offset): Likewise.
2208 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2209 register on TARGET_ZARCH targets.
2210 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2211 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2212 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2213 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2215 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2217 * config/s390/s390.md: Comment describing output modifiers updated.
2218 * config/s390/s390.c (print_operand): Likewise.
2220 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2222 * config/s390/s390.c (override_options): Added check for -mstack-size
2224 * doc/invoke.texi: Mention that limit in the documenation.
2226 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2229 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2231 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2233 Fix PR tree-optimization/24231
2235 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2236 (compute_avail): Ditto.
2238 2005-10-18 Richard Henderson <rth@redhat.com>
2241 * config/i386/i386.c (legitimate_constant_p): Check
2242 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2244 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2245 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2246 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2248 (print_operand_address): Likewise.
2249 * config/i386/predicates.md (x86_64_immediate_operand): Test
2250 SYMBOL_REF_TLS_MODEL properly inside CONST.
2251 (x86_64_zext_immediate_operand): Likewise.
2252 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2253 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2254 * config/i386/i386-protos.h: Remove predicates.md entries.
2256 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2258 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2259 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2261 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2262 Ian Lance Taylor <ian@airs.com>
2265 * fold-const.c (fold_widened_comparison): Do not allow range based
2266 constant folding when right operand cannot be unwidened.
2268 2005-10-17 Richard Henderson <rth@redhat.com>
2270 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2271 with a memory clobber.
2273 2005-10-17 James E Wilson <wilson@specifix.com>
2275 PR rtl-optimization/17356
2276 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2277 checking for EDGE_EH.
2279 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2281 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2282 the slot on an even boundary for any type with 16-byte alignment.
2284 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2287 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2288 after register allocation.
2290 2005-10-17 DJ Delorie <dj@redhat.com>
2292 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2295 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2298 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2301 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2303 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2304 to 2 if it's already non-zero.
2305 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2306 is set and warn about it if flag_schedule_insns is 1.
2308 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2310 * config/crx/crx.md: Compare-and-branch instructions need to
2313 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2316 * config/i386/i386.md (*pushdi2_rex64 splitter)
2317 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2318 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2319 flow2 pass only when (optimize > 0 && flag_peephole2).
2321 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2324 * gcc.c (have_c): New static variable.
2326 (process_command): Remove declation of have_c.
2327 Set have_o to 1 when handling -o.
2328 (main): Add a fatel error if there are multiple
2329 files specified and -o and -c/-S is passed witout
2330 -combine or multiple languages.
2332 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2334 Fix PR tree-optimization/22444
2335 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2336 Assert that we don't hit something with subvars.
2337 (setup_pointers_and_addressables): Don't add things with subvars,
2338 because we'll already process the subvars for aliasing purposes.
2340 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2343 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2344 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2345 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2346 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2347 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2348 swapped, alternatives for the R constraint.
2351 * builtins.c (get_builtin_sync_mode): Make unlimited
2352 mode_for_size request.
2354 2005-10-15 Richard Henderson <rth@redhat.com>
2356 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2357 (gimplify_expr): ... here.
2358 (gimplify_compound_lval): Use it in initial scan loop. Allow
2359 fb_lvalue in base expression.
2361 2005-10-15 Richard Henderson <rth@redhat.com>
2364 * builtins.c (expand_builtin_trap): Export.
2365 * expr.h (expand_builtin_trap): Declare.
2366 * expr.c (expand_assignment): Emit a trap for integral offsets
2367 from registers that weren't reduced to bitpos.
2369 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2370 (mark_array_ref_addressable): Remove.
2371 * tree-flow.h (mark_array_ref_addressable): Remove.
2372 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2374 2005-10-15 James E Wilson <wilson@specifix.com>
2377 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2378 (add_dependence_list_and_free): Likewise.
2379 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2382 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2386 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2387 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2389 (vrp_visit_phi_node): Only prevent infinite iterations when
2390 the previous result and the new result are both VR_RANGEs.
2392 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2394 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2397 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2400 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2403 2005-10-14 Per Bothner <per@bothner.com>
2405 PR preprocessor/21250
2406 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2408 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2411 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2412 overflow flags. Refactor some conditionals.
2414 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2417 * tree-dfa.c (add_referenced_var): Only look at decls which
2418 have TREE_CONSTANT or TREE_READONLY set instead of if
2419 !TREE_PUBLIC or !TREE_CONSTANT.
2421 2005-10-13 James E Wilson <wilson@specifix.com>
2423 * doc/invoke.texi: For -x, add f95-cpp-input.
2424 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2426 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2428 PR tree-optimization/24262
2429 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2430 in loop all the time.
2432 2005-10-12 Richard Henderson <rth@redhat.com>
2435 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2436 * function.c (assign_parm_find_data_types): Don't support it.
2437 * print-tree.c (print_node): Likewise.
2438 * c-common.c (handle_transparent_union_attribute): Likewise.
2439 Use build_duplicate_type.
2440 * tree-inline.c (remap_type_1): Split out of remap_type;
2441 properly remap aggregate fields.
2442 (build_duplicate_type): New.
2443 * doc/extend.texi (Variable Attributes): Remove documentation
2444 for transparent_union.
2446 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2449 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2450 (gen_stack_pointer_dec): Likewise.
2452 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2456 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2458 (struct cxx): Add adjust_class_at_definition target hook.
2459 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2460 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2461 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2462 hook_void_tree. Add to TARGET_CXX.
2463 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2465 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2466 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2467 instead of attribute. Check for dllexport override. Warn if
2468 inconsistent dll linkage. Don't lose old dllimport if decl has
2469 had address referenced. Tweak lookup of dllimport atribute.
2470 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2471 for target specific rules. Don't add dllimport attribute if
2472 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2473 dllimport attribute.
2474 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2475 * varasm.c (initializer_constant_valid_p): Replace
2476 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2480 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2481 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2482 (i[34567]86-*-mingw32*): Likewise.
2484 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2485 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2487 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2488 C++-specific code. Change return value to bool.
2489 (i386_pe_dllimport_p): Likewise.
2490 (associated_type): Simplify and make language-independent
2491 (i386_pe_encode_section_info): Replace override of ambiguous
2492 dllimport symbol refs with a gcc_assert.
2493 (i386_pe_valid_dllimport_attribute_p): Define.
2494 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2495 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2496 i386_pe_adjust_class_at_definition.
2497 * config/i386/winnt-stubs.c: New file. Define stub versions of
2498 lang-specific functions.
2499 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2500 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2501 i386_pe_adjust_class_at_definition.
2502 (i386_pe_valid_dllimport_attribute_p): Declare.
2503 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2504 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2505 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2508 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2509 dllimport attribute with test of DECL_DLLIMPORT_P.
2511 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2513 * combine.c (make_extraction): Correct offset computation.
2515 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2517 * config/cris/t-linux (LIMITS_H_TEST): Define.
2519 2005-10-12 Richard Henderson <rth@redhat.com>
2522 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2524 2005-10-12 Richard Guenther <rguenther@suse.de>
2526 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2528 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2531 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2532 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2535 2005-10-12 Richard Guenther <rguenther@suse.de>
2538 * varasm.c (output_constant): Correct typo from previous
2541 2005-10-11 Ian Lance Taylor <ian@airs.com>
2543 PR rtl-optimization/13931
2544 * combine.c: Revert patch of 2003-05-14, and:
2545 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2546 completely killed in the appropriate insn.
2547 (distribute_notes): Don't skip multiple hard register test for
2548 elim_i1 and elim_i2.
2550 2005-10-11 Richard Henderson <rth@redhat.com>
2553 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2554 to initialize a transparent union instead of a nop_expr.
2556 2005-10-11 Richard Henderson <rth@redhat.com>
2558 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2559 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2560 (tree_ssa_dce_loop): Call scev_reset.
2563 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2564 * tree-ssa-dce.c: Include cfgloop.h.
2565 (tree_ssa_dce_loop, pass_dce_loop): New.
2566 * tree-pass.h (pass_dce_loop): Declare it.
2567 * passes.c (init_optimization_passes): Use it.
2569 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2572 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2573 Only apply the optimization for rounding builtins if the inner
2574 cast is also an extension.
2576 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2579 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2580 mark_new_vars_to_rename instead of update_stmt.
2582 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2584 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2586 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2588 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2589 for setting MMX register to 0 rather than mmx.
2591 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2594 * configure.ac: Move gas check from mips specific case to common case.
2595 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2596 * configure: Regenerate
2597 * doc/install.texi: Update.
2599 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2602 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2604 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2606 * gcc.c (do_spec_1): Accept numeric characters in file name
2609 2005-10-10 Nick Clifton <nickc@redhat.com>
2611 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2612 describing the deleted arm_gen_rotated_half_load function.
2614 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2616 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2619 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2621 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2623 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2624 (EXTRA_MULTILIB_PARTS): Define.
2625 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2626 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2627 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2628 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2629 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2630 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2632 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2634 PR tree-optimization/24226
2635 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2636 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2637 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2640 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2642 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2644 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2647 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2648 Rewrite for no need for the early clobber.
2650 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2652 Merge from csl-arm-branch:
2653 2005-09-07 Paul Brook <paul@codesourcery.com>
2654 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2657 2005-04-30 Paul Brook <paul@codesourcery.com>
2658 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2659 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2661 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2662 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2663 (arm_override_options): Use TARGET_AAPCS_BASED.
2664 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2665 (PTRDIFF_TYPE): Use int for AAPCS.
2666 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2667 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2668 (DEFAULT_SHORT_ENUMS): Delete.
2669 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2671 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2672 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2673 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2674 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2676 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2677 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2679 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2680 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2682 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2683 * config.gcc (arm*-*-linux-gnueabi): Add it.
2684 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2686 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2687 * config/arm/linux-eabi.h: New file.
2688 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2689 (LINUX_TARET_LINK_SPEC): Likewise.
2690 (LINK_SPEC): Use it.
2691 * config/arm/t-linux-eabi: New file.
2693 2005-10-08 Steven Bosscher <stevenb@suse.de>
2696 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2698 (PARAM_SMS_DFA_HISTORY): Likewise.
2700 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2703 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2704 (load_register_parameters): Call it.
2705 (check_sibcall_argument_overlap_1): Likewise.
2706 (store_one_arg): Likewise.
2708 2005-10-07 James E. Wilson <wilson@specifix.com>
2710 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2711 DImode not VECINT24 for operand 2.
2714 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2718 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2719 fr_spill): Use destination_operand for operand 0.
2721 2005-10-07 DJ Delorie <dj@redhat.com>
2723 * varasm.c (output_constant): Limit error to expanding
2726 2005-10-07 Richard Guenther <rguenther@suse.de>
2729 * fold-const.c (fold_binary): Fix operand types during folding
2730 of X op (A, Y). Evaluation order of the side-effects of
2731 X and A are frontend-defined, so ensure we honour that even for
2732 tcc_comparison class operands; eased by removing duplicate code.
2734 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2736 * stor-layout.c (layout_type): Do not allow alignment of array
2737 elements to be greater than their size.
2739 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2741 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2743 (hppa*-*-linux*): Ditto.
2744 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2745 * config/host-hpux.c: New.
2746 * config/x-hpux: New.
2747 * config/pa/x-hpux: Remove.
2748 * config/pa/x-linux: Remove.
2749 * config/pa/pa-host.c: Remove.
2751 2005-10-07 Jeff Law <law@redhat.com>
2753 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2754 determine whether or not to try and thread outgoing edges.
2756 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2758 * config/rs6000/rs6000.md (eqsi_power): New.
2759 (neg_eq0si): Add TARGET_POWER to final condition.
2762 2005-10-06 Richard Henderson <rth@redhat.com>
2764 * config/rs6000/rs6000.c: Revert last change.
2766 2005-10-06 Richard Henderson <rth@redhat.com>
2768 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2769 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2771 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2775 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2776 out return_label and naked_return_label.
2778 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2780 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2783 2005-10-06 Richard Henderson <rth@redhat.com>
2786 * tree-inline.c (declare_return_variable): Handle modify_dest not
2789 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2791 Fix PR tree-optimization/22488
2792 * tree-ssa-structalias.c (check_for_overlaps): New function.
2793 (create_variable_info_for): Use it.
2795 2005-10-06 Richard Henderson <rth@redhat.com>
2798 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2799 (dwarf2out_start_source_file): Print it.
2801 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2803 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2805 2005-10-06 Richard Henderson <rth@redhat.com>
2808 * mode-switching.c (optimize_mode_switching): Clear transp bit
2809 for block with incomming abnormal edges.
2811 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2812 (fpscr_set_from_mem): Use them.
2813 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2814 (fpscr postinc splitters): Rewrite as peephole2+split.
2816 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2818 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2819 (eq<mode>_compare): Same.
2821 2005-10-06 Richard Guenther <rguenther@suse.de>
2823 PR tree-optimization/24238
2824 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2826 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2828 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2829 here. Use AC_PATH_PROG for environment variables instead of
2831 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2833 * configure: Regenerated.
2835 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2838 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2839 then force it into a register.
2840 (call_value): Likewise.
2842 2005-10-06 Richard Henderson <rth@redhat.com>
2845 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2846 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2847 under pass_vectorize.
2849 2005-10-05 Devang Patel <dpatel@apple.com>
2852 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2853 handling constants. Check NAMESPACE_DECL context for constants.
2855 2005-10-05 Eric Christopher <echristo@apple.com>
2857 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2859 2005-10-05 Richard Henderson <rth@redhat.com>
2862 * tree-cfg.c (mark_array_ref_addressable_1): New.
2863 (mark_array_ref_addressable): New.
2864 * tree-flow.h (mark_array_ref_addressable): Declare.
2865 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2867 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2871 * reload.c (subst_reloads): When adding a REG_LABEL to a
2872 jump instruction, also update JUMP_LABEL.
2874 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2876 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2877 * bb-reorder.c (copy_bb_p): Use it.
2878 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2880 2005-10-05 Richard Henderson <rth@redhat.com>
2883 * toplev.c (process_options): Warn about unsupported combinations
2884 of unwind tables and omit-frame-pointer.
2885 * config/i386/i386.c (override_options): Similarly. Enable
2886 accumulate-outgoing-args if not explicitly disabled.
2888 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2890 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2891 Handle big endian vs. small endian.
2892 (vec_initv2sf): Handle big endian vs. small endian.
2893 (*vec_extractv2sf_1): Ditto.
2895 2005-10-05 Dale Johannesen <dalej@apple.com>
2897 * convert.c (convert_to_real): Don't convert
2898 (float)floor(double d) to floorf((float)d).
2900 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2902 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2904 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2906 PR tree-optimization/18587
2907 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2908 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2909 build_vuses): Change to VEC type.
2910 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2911 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2912 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2913 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2914 (get_name_decl): New. Return DECL_UID of base variable.
2915 (operand_build_cmp): New. qsort comparison routine.
2916 (operand_build_sort_virtual): New. Sort virtual build vector.
2917 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2918 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2919 (FINALIZE_BASE): Use get_name_decl.
2920 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2921 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2922 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2923 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2924 direct VEC_* manipulations.
2925 (build_ssa_operands): Call operand_build_sort_virtual.
2926 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2927 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2928 with direct VEC_* manipulations.
2929 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2930 with direct VEC manipulations.
2932 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2934 PR tree-optimization/21419
2935 PR tree-optimization/24146
2936 PR tree-optimization/24151
2938 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2939 (build_asm_expr): Call it if outputs are read-only.
2940 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2942 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2943 Paolo Bonzini <bonzini@gnu.org>
2947 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2948 enable the instructions and not just the built-ins.
2949 * doc/invoke.texi (x86 Options): Likewise.
2951 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2953 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2955 * doc/invoke.texi (Option Summary): Correct spelling
2956 of -mmacosx-version-min.
2958 2005-10-04 Devang Patel <dpatel@apple.com>
2960 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2963 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2965 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2966 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2968 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2970 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2971 ("TE","tg"): New mode attributes.
2972 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2973 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2974 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2975 dword_mode and one for GPRmode.
2977 2005-10-04 Ian Lance Taylor <ian@airs.com>
2979 PR preprocessor/13726
2980 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2981 any comments passed in.
2983 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2985 * tree.c (annotate_with_file_line): Fix typo.
2987 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2990 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2991 type used to access data in the inlined length == 1 case, use
2992 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2993 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2995 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2997 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2998 TARGET_SSE3 and only for TARGET_80387.
2999 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3000 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3001 Do not depend on TARGET_80387.
3003 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3005 * tree.c (last_annotated_node): Change type to location_t*.
3006 (annotate_with_file_line): Reflect the change of
3007 last_annotated_node type.
3009 2005-10-04 Richard Guenther <rguenther@suse.de>
3012 * c-decl.c (grokdeclarator): Don't write to fields
3015 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3018 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3020 * varasm.c (make_decl_rtl): If a register variable does not
3021 have a set user assmbler name, error out.
3022 Decode the asmspec is now name+1 bypassing '*'.
3024 2005-10-04 Steven Bosscher <stevenb@suse.de>
3026 PR tree-optimization/23049
3027 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3028 of a COND_EXPR is folded before calling fold on the whole rhs of a
3029 conditional assignment.
3030 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3031 document that a COND_EXPR may appear there.
3033 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3036 * tree-vrp.c (extract_range_from_assert): If the new numeric
3037 range created out of the assertion contradicts the existing
3038 numeric range of the ASSERT_EXPR variable, make the new range
3041 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3043 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3044 from T_REGS to FP register class.
3046 2005-10-03 Richard Henderson <rth@redhat.com>
3049 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3050 before creating a new one.
3052 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3054 * config/rs6000/t-aix43 (LDFLAGS): New.
3055 * config/rs6000/t-aix52 (LDFLAGS): New.
3057 2005-10-03 Ian Lance Taylor <ian@airs.com>
3059 * gimplify.c (find_single_pointer_decl_1): New static function.
3060 (find_single_pointer_decl): New static function.
3061 (internal_get_tmp_var): For a formal variable, set restrict base
3062 information if appropriate.
3063 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3065 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3066 (DECL_GET_RESTRICT_BASE): Define.
3067 (SET_DECL_RESTRICT_BASE): Define.
3068 (decl_restrict_base_lookup): Declare.
3069 (decl_restrict_base_insert): Declare.
3070 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3071 * tree.c (restrict_base_for_decl): New static variable.
3072 (init_ttree): Initialize restrict_base_for_decl.
3073 (copy_node_stat): Copy restrict base information.
3074 (decl_restrict_base_lookup): New function.
3075 (decl_restrict_base_insert): New function.
3076 (print_restrict_base_statistics): New static function.
3077 (dump_tree_statistics): Call print_restrict_base_statistics.
3079 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3082 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3083 case of anti-ranges.
3085 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3088 * c-typeck.c (tagged_tu_seen): Rename to ...
3089 (tagged_tu_seen_cache): this and add val field.
3090 (comptypes): Move functional to comptypes_internal
3091 and free tagged_tu_seen.
3092 (comptypes_internal): New function and call comptypes_internal
3093 instead of comptypes. Speed up by sibcalling
3094 tagged_types_tu_compatible_p.
3095 (alloc_tagged_tu_seen): New function
3096 (free_all_tagged_tu_seen_up_to): New function.
3097 (tagged_types_tu_compatible_p): Return the val of the seen two
3099 Add that the two types are the same to tagged_tu_seen_base
3100 if they are and call comptypes_internal instead of comptypes.
3101 <case UNION_TYPE>: Speed up common type where the fields are
3103 (function_types_compatible_p): Call comptypes_internal instead of
3105 (type_lists_compatible_p): Likewise.
3106 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3108 2005-10-02 Matthias Klose <doko@debian.org>
3110 * doc/invoke.texi: Fix typo and speling error.
3112 2005-10-01 Richard Henderson <rth@redhat.com>
3114 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3116 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3118 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3119 using --start-group and --end-group.
3121 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3123 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3124 FIXME note regarding quirky semantics.
3126 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3129 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3130 non-null range as a last resort.
3132 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3133 Diego Novillo <dnovillo@redhat.com>
3136 * tree-vrp.c (extract_range_from_assert): For !=
3137 assertions, only build an anti-range if LIMIT is a
3138 single-valued range.
3140 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3142 * arm.md (movqi): On thumb when optimizing, handle loading from
3143 memory by describing this as taking a subreg of a zero-extended load
3144 into an SImode register.
3147 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3149 * reload1.c (merge_assigned_reloads): Do not change any
3150 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3152 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3154 * Makefile.in (LIPO_FOR_TARGET): Define.
3155 (STRIP_FOR_TARGET): Define.
3157 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3158 before creating new ones. Do symlinks before creating the actual
3161 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3162 to work out which multilibs are actually being built.
3164 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3166 * tree-vect-transform.c, config/ms1/ms1.md,
3167 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3168 Follow spelling conventions.
3169 * doc/invoke.texi, doc/md.texi: Fix typos.
3171 2005-09-30 Andrew Macleod <amacleod@redat.com>
3173 PR tree-optimization/21430
3174 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3175 use operands, and set stmt pointer if need be.
3176 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3177 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3180 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3183 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3185 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3187 * optabs.c (expand_binop): Initialize first_pass_p.
3189 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3192 * c-decl.c (c_write_global_declarations_1): If any
3193 wrapup_global_declaration_2 call returned true, restart the loop.
3195 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3197 Fix PR tree-optimization/24117
3198 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3199 before considering whether to use anyoffset.
3201 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3205 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3207 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3209 (swap_commutative_operands_with_target): New.
3211 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3214 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3217 2005-09-29 Steven Bosscher <stevenb@suse.de>
3219 PR tree-optimization/23911
3220 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3221 and IMAGPART_EXPR too.
3223 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3226 * expmed.c (expand_shift): Move logic to reverse rotation
3227 direction when rotating by constants ...
3228 * optabs.c (expand_binop): ... here.
3229 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3230 (ix86_rotrdi3): New pattern.
3231 (rotldi3): Handle 32-bit mode.
3232 (ix86_rotldi3): New pattern.
3234 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3237 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3238 check for numbers that need no bit twiddle.
3240 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3242 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3243 multilib to be built.
3245 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3246 (stage1-start): Delete old libgcc and libunwind before moving
3247 anything into the stage directory.
3248 (stage2-start): Likewise.
3249 (stage3-start): Likewise.
3250 (stage4-start): Likewise.
3251 (stageprofile-start): Likewise.
3252 (stagefeedback-start): Likewise.
3253 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3254 header in tm_file and CPU-specific t-darwin in tmake_file.
3255 (i[34567]86-*-darwin*): Don't change tm_file.
3256 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3257 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3258 shared library stub for target OS version.
3259 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3260 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3261 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3262 (libgcc_s.%.dylib): New.
3264 (install-darwin-libgcc-stubs): New.
3265 (INSTALL_LIBGCC): New append.
3266 * config/i386/darwin-libgcc.10.4.ver: New.
3267 * config/i386/darwin-libgcc.10.5.ver: New.
3268 * config/i386/t-darwin: New.
3269 * config/rs6000/darwin-libgcc.10.4.ver: New.
3270 * config/rs6000/darwin-libgcc.10.5.ver: New.
3271 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3272 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3274 2005-09-28 Paul Brook <paul@codesourcery.com>
3276 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3279 2005-09-28 Richard Guenther <rguenther@suse.de>
3281 PR tree-optimization/23853
3282 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3283 host_integerp to verify misalignment value.
3285 2005-09-28 Richard Henderson <rth@redhat.com>
3287 * builtins.c (get_builtin_sync_mode): New.
3288 (expand_builtin_sync_operation): Pass in mode argument.
3289 (expand_builtin_compare_and_swap): Likewise.
3290 (expand_builtin_lock_test_and_set): Likewise.
3291 (expand_builtin_lock_release): Likewise.
3292 (expand_builtin): Update to match.
3294 2005-09-28 Nick Clifton <nickc@redhat.com>
3296 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3297 formatting. Add check to PLUS case to ensure that the offset is
3298 within an acceptable range.
3300 * config/v850/v850.md (casesi): Disable the generation of the
3301 switch pattern as it is not being handled properly at the moment.
3303 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3304 for when the high words are identical.
3306 2005-09-27 Richard Henderson <rth@redhat.com>
3308 * pretty-print.c (pp_base_format): Fix typo for %>.
3310 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3311 Devang Patel <dpatel@apple.com>
3313 PR tree-optimization/23625
3314 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3315 LABEL_EXPR, assertion check.
3317 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3319 * optabs.c (no_conflict_move_test): Check if a result of a
3320 to-be-moved insn would be clobbered by an originally
3323 2005-09-27 Jeff Law <law@redhat.com>
3325 * passes.c (init_optimization_passes): Replace copy propagation
3326 passes immediately after DOM with phi-only copy propagation
3327 pases. Add phi-only copy propagation pass after first DOM pass.
3328 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3329 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3330 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3331 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3332 to init_copy_prop. Callers updated.
3333 (do_phi_only_copy_prop): New function.
3334 (pass_phi_only_copy_prop): New pass descriptor.
3336 2005-09-27 Nick Clifton <nickc@redhat.com>
3338 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3340 2005-09-26 Jason Merrill <jason@redhat.com>
3343 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3345 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3347 2005-09-26 James E Wilson <wilson@specifix.com>
3349 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3350 copyright. Add gcc copyright plus libgcc exception.
3351 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3353 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3355 2005-09-26 Jeff Law <law@redhat.com>
3357 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3358 about when to iterate.
3360 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3363 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3364 for __complex__ double in -mcpu=G5 mode.
3366 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3368 PR tree-optimization/23942
3369 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3370 * tree-scalar-evolution.c: Include params.h.
3372 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3373 follow_ssa_edge_in_condition_phi_branch,
3374 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3375 Change return type to t_bool. Use a parameter to limit the size of
3376 trees that are walked before stopping
3377 (analyze_evolution_in_loop): Initialize the limit to 0.
3378 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3379 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3381 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3384 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3385 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3387 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3389 * combine.c (make_extraction): Check for valid use of subreg.
3391 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3394 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3395 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3396 ("fist<mode>2_with_temp"): Use only register operands.
3398 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3400 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3401 CALL_INSN_FUNCTION_USAGE.
3403 2005-09-26 Richard Guenther <rguenther@suse.de>
3406 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3407 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3408 (ldst_entry): Use the hashtable instead of list-walking.
3409 (find_rtx_in_ldst): Likewise.
3410 (free_ldst_entry): Free the hashtable.
3411 (compute_ld_motion_mems): Create the hashtable.
3412 (trim_ld_motion_mems): Remove entry from hashtable if
3413 removing it from list.
3414 (compute_store_table): Likewise^2.
3415 (store_motion): Free hashtable in case we did not see
3418 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3420 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3421 and arg1 if we are passing them to fold_build2.
3423 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3426 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3429 2005-09-25 Richard Henderson <rth@redhat.com>
3431 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3432 SYMBOL_REF_TLS_MODEL to be correct.
3434 2005-09-24 Richard Henderson <rth@redhat.com>
3436 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3437 end of function. Reindent.
3439 2005-09-24 Ian Lance Taylor <ian@airs.com>
3441 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3442 NEGATE_EXPR/BIT_NOT_EXPR case.
3444 2005-09-24 Richard Henderson <rth@redhat.com>
3446 * c-common.c (handle_mode_attribute): When not modifying in place,
3447 create subtypes for enumerations.
3448 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3449 * gimplify.c (create_tmp_from_val): Likewise.
3451 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3453 * config/i386/i386.md (*tls_global_dynamic_64,
3454 *tls_local_dynamic_base_64): Add missing mode to call.
3455 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3457 2005-09-24 Jan Hubicka <jh@suse.cz>
3459 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3460 (cgraph_clone_node): Likewise.
3461 * cgraph.h (cgraph_clone_edge): Update prototype.
3462 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3463 duplicated prototypes; add updating argument.
3464 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3465 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3467 (cgraph_mark_inline_edge): Likewise.
3468 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3469 (cgraph_flatten_node): Likewise.
3470 (cgraph_decide_recursive_inlining): Likewise.
3471 (cgraph_decide_inlining_of_small_function): Likewise.
3472 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3474 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3475 Pete Steinmetz <steinmtz@us.ibm.com>
3477 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3478 (rldic.): Set type to "compare".
3480 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3481 mfjmpr for MFCTR/MFLR.
3482 (movdf_hardfloat64): Same.
3483 (movdf_softfloat64): Same. Correct order of store and move types.
3484 (movti_string): Set type to store_ux/load_ux.
3485 (load_multiple): Set type to load_ux.
3486 (store_multiple): Set type to store_ux.
3487 (movmemsi): Set type to store_ux.
3488 (output_cbranch direct_return): Set type to jmpreg.
3489 (stmw): Set type to store_ux.
3490 (lmw): Set type to load_ux.
3491 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3492 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3493 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3494 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3495 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3496 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3497 (rios1-fpstore): Increase latency to 3.
3498 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3499 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3501 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3502 Andrew Pinski <pinskia@physics.uc.edu>
3504 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3505 operand2 constraint to "b".
3506 (sync_<fetchop_name>di_internal): Same.
3507 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3509 (sync_old_<fetchop_name>di_internal): Same.
3510 (sync_new_<fetchop_name>si_internal): Same.
3511 (sync_new_<fetchop_name>di_internal): Same.
3513 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3516 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3517 case, define as macros.
3519 PR rtl-optimization/23837
3520 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3521 clobber / clobber match between dest and p->first.
3523 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3524 (no_conflict_move_test): Update comments.
3526 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3528 * doc/install.texi: Update URL for Jacks.
3529 * doc/sourcebuild.texi: Likewise.
3531 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3534 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3535 registers when choosing register preferences.
3536 (movdf_hardfloat64): Same.
3538 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3540 * expmed.c (expand_shift): Don't use the target of the rotate as
3541 target for the first expanded shift insn.
3542 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3544 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3546 PR tree-optimization/22438
3547 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3548 preserved iv rhs rewriting specially.
3550 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3552 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3553 estimate_only is true.
3554 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3555 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3556 tree-ssa-structalias.c
3557 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3558 ref_contains_indirect_ref.
3559 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3561 2005-09-21 DJ Delorie <dj@redhat.com>
3563 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3565 (mn10300_return_in_memory): Support variable size types also.
3566 (mn10300_pass_by_reference): Likewise.
3567 (mn10300_function_value): New.
3568 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3569 (FUNCTION_OUTGOING_VALUE): Likewise.
3570 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3571 * doc/invoke.texi: Document it.
3573 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3576 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3577 force integer op1 into register for XFmode compares.
3579 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3582 * expmed.c (alg_code): Add alg_impossible.
3583 (alg_hash_entry): Add cost.
3584 (synth_mult): Record alg_impossible in the hash table if
3585 multiplication by a given integer is impossble within the
3586 limit. Speed up using alg_impossible.
3588 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3590 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3591 argument. Allow and set any offset if needs_anyoffset is passed
3593 (get_constraint_for): Add argument here too.
3595 (do_structure_copy): Pass NULL to get_constraint_for.
3596 (handle_ptr_arith): Ditto.
3597 (find_func_aliases): Ditto.
3599 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3601 PR rtl-optimization/23898
3602 * output.h (get_attr_min_length): Declare.
3603 * final.c (get_attr_length_1): New function, broken out of:
3605 (get_attr_min_length): New function.
3606 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3607 (duplicate_computed_gotos): Likewise.
3608 * genattr.c (insn_min_length): Generate declaration.
3609 * genattrtab.c (min_fn, min_attr_value): New functions.
3610 (make_length_attrs): Generate insn_min_length.
3612 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3614 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3616 2005-09-20 Richard Henderson <rth@redhat.com>
3618 PR tree-optimization/24059
3619 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3622 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3624 * c.opt (fextended-identifiers): New.
3625 * c-opts.c (c_common_handle_option): Handle
3626 -fextended-identifiers.
3627 * doc/cpp.texi: Update documentation of extended identifiers.
3628 * doc/cppopts.texi (-fextended-identifiers): Document.
3630 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3632 PR tree-optimization/23929
3633 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3636 PR tree-optimization/23818
3637 * tree-stdarg.c (execute_optimize_stdarg): Call
3638 calculate_dominance_info.
3640 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3642 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3643 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3644 (compute_overlap_steps_for_affine_1_2): Use
3645 get_number_of_iters_for_loop.
3646 (analyze_subscript_affine_affine): Check whether difference is
3648 Use get_number_of_iters_for_loop.
3649 Check whether overlap occurs outside of bounds.
3650 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3652 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3654 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3655 base register if possible.
3657 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3659 PR tree-optimization/18463
3660 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3661 converting it directly is not possible.
3662 (chrec_convert_aggressive): New function.
3663 * tree-chrec.h (chrec_convert_aggressive): Declare.
3664 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3665 Fold chrec conversions aggressively if asked to.
3666 (instantiate_parameters): Modified because of changes in
3667 instantiate_parameters_1.
3669 2005-09-19 Richard Henderson <rth@redhat.com>
3671 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3672 (reduc_splus_v2df): New.
3674 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3676 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3677 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3679 2005-09-19 Richard Henderson <rth@redhat.com>
3681 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3684 2005-09-19 Richard Henderson <rth@redhat.com>
3686 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3687 (ia64_expand_dot_prod_v8qi): New.
3688 * config/ia64/ia64-protos.h: Update.
3689 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3690 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3691 sdot_prodv8qi, sdot_prodv4hi): New.
3692 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3694 2005-09-19 Richard Henderson <rth@redhat.com>
3697 * real.c (exact_real_truncate): Return false if the format cannot
3698 represent the number as a normal.
3700 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3701 for a memory source.
3703 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3705 * tree-ssa-operands.c (swap_tree_operands): Export.
3706 * tree.h (swap_tree_operands): Declare.
3707 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3708 Call swap_tree_operands.
3710 2005-09-19 Richard Henderson <rth@redhat.com>
3712 * tree-flow.h (merge_alias_info): Declare.
3713 * tree-ssa-copy.c (merge_alias_info): Export.
3714 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3715 (vect_create_data_ref_ptr): Use create_iv directly.
3716 (vectorizable_load): Use correct types for integer constants.
3717 (vect_generate_tmps_on_preheader): Likewise.
3718 (vect_gen_niters_for_prolog_loop): Likewise.
3720 2005-09-19 Steven Bosscher <stevenb@suse.de>
3722 PR rtl-optimization/23943
3723 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3725 2005-09-18 Jan Hubicka <jh@suse.cz>
3727 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3729 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3731 * varasm.c (output_constant): Do not abort on conversions to union
3732 types between different sizes.
3734 2005-09-18 Richard Guenther <rguenther@suse.de>
3737 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3740 2005-09-18 Paul Brook <paul@codesourcery.com>
3742 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3744 2005-09-17 Richard Henderson <rth@redhat.com>
3746 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3747 * tree-ssa-loop.c (pass_vect_dce): Remove.
3748 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3751 2005-09-17 Richard Henderson <rth@redhat.com>
3753 * tree-pass.h (pass_vect_dce): Declare.
3754 * passes.c (init_optimization_passes): Add it.
3755 * tree-flow.h (tree_ssa_dce): Declare.
3756 * tree-ssa-dce.c (tree_ssa_dce): Export.
3757 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3758 (gate_tree_vectorize): ... here.
3759 (pass_vect_dce): New.
3761 2005-09-17 Jan Hubicka <jh@suse.cz>
3763 * except.c (struct eh_status): Turn region_array into vec.
3764 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3765 convert_from_eh_region_ranges, find_exception_handler_labels,
3766 current_function_has_exception_handlers, assign_filter_values,
3767 build_post_landing_pads, dw2_build_landing_pads,
3768 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3769 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3770 foreach_reachable_handler, can_throw_internal_1,
3771 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3773 (duplicate_eh_region_1): Update region_array.
3774 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3776 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3779 * expmed.c (expand_mult): Substitute simple register for op0 when
3782 2005-09-17 Richard Henderson <rth@redhat.com>
3784 * expr.c (emit_move_via_integer): Add force argument, pass it on
3785 to emit_move_change_mode. Update callers.
3786 (emit_move_complex): Pass true to new force argument.
3787 * function.c (expand_function_end): Move expand_eh_return call
3788 earlier. Merge sub-word complex values into a pseudo before
3789 copying to the return hard register.
3791 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3793 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3794 between different sizes.
3796 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3800 * passes.c (init_optimization_passes): Register dump files for
3803 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3805 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3806 * config/s390/s390.c (s390_overlap_p): New function.
3807 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3808 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3811 2005-09-16 Richard Guenther <rguenther@suse.de>
3813 * ipa-pure-const.c (static_execute): Free auxiliar information.
3814 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3815 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3817 2005-09-15 DJ Delorie <dj@redhat.com>
3819 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3821 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3823 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3825 (swap_commutative_operands_with_target): New.
3827 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3829 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3832 (estimate_iters_using_array): New function.
3833 * tree-data-ref.h (estimate_iters_using_array): Prototype
3834 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3835 Use estimate_iters_using_array instead of analyze_array.
3837 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3839 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3842 2005-09-15 Michael Matz <matz@suse.de>
3844 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3846 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3848 PR tree-optimization/23835
3849 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3850 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3852 2005-09-14 Richard Henderson <rth@redhat.com>
3854 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3855 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3857 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3859 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3860 in the ARRAY_TYPE case.
3862 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3864 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3866 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3869 * tree-vect-transform.c (vectorizable_operation): Return false for
3870 scalar shift operations and for vector shift operations with
3871 non-invariant shift arguments. Use scalar tree operand op1 as
3872 a shift operand when vector shift insn pattern uses scalar shift
3874 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3876 2005-09-14 Olivier Hainque <hainque@adacore.com>
3878 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3879 value if it has side-effects.
3881 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3884 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3886 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3888 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3889 passed as NAME as if it were label at start of function code.
3891 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3893 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3896 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3898 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3899 as early clobber. Rewrite so the PIC register is not implicitly used.
3901 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3903 * tree.c (annotate_with_file_line): Compare line numbers before
3906 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3909 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3910 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3912 2005-09-13 Ian Lance Taylor <ian@airs.com>
3914 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3915 than a HOST_WIDEST_INT to gen_doloop_begin.
3917 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3919 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3921 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3923 PR tree-optimize/23817
3924 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3926 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3929 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3930 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3931 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3932 (restore_stack_nonlocal): Likewise.
3933 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3935 2005-09-12 Ian Lance Taylor <ian@airs.com>
3938 * c.opt (ffriend-injection): New C++ option.
3939 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3940 (C++ Dialect Options): Document -ffriend-injection.
3942 2005-09-12 Josh Conner <jconner@apple.com>
3945 * ipa-reference.c (static_execute): Don't mark variables in
3946 named sections TREE_READONLY.
3948 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3950 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3953 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3955 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3956 V_MUST_DEF instead of just the first_use_p.
3957 Don't mark the virtual variables for renaming on the statement which
3959 (pass_dse): Remove TODO_update_ssa.
3961 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3964 * stor-layout.c (compute_record_mode): For records with a single
3965 field, actually check the field's mode size against the type size.
3967 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3968 registers for TARGET_SHMEDIA.
3969 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3970 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3971 of GENERAL_REGS and FP_REGS.
3973 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3975 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3977 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3979 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3980 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3981 are omitted. Exclude stack_tie insn too.
3983 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3985 PR rtl-optimization/23098
3986 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3988 * config/rs6000/rs6000.md (movdf splitter): Use
3989 const_double_operand predicate for TARGET_POWERPC64.
3990 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3991 SYMBOL_REF method to ABI_V4.
3993 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3994 replace_equiv_address.
3995 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3996 rs6000_sr_alias_set and MEM_NOTRAP.
3997 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3999 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4001 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4002 handle CALL_EXPR again.
4004 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4006 * arm/predicates.md (alignable_memory_operand): Delete.
4008 2005-09-10 Richard Henderson <rth@redhat.com>
4011 * dbxout.c (dbxout_expand_expr): New.
4012 (dbxout_symbol): Use it.
4014 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4016 * arm.c (arm_gen_rotated_half_load): Delete.
4017 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4018 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4019 (thumb_set_return_address): Likewise.
4020 (thumb_load_double_from_address): Use adjust_address.
4021 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4022 (extendhsisi2_mem, movhi_bytes): Use change_address.
4023 (movhi): Use widen_memory_access.
4024 (reload_out_df): Use replace_equiv_address.
4025 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4027 2005-09-09 Richard Henderson <rth@redhat.com>
4030 * dbxout.c: Include expr.h.
4031 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4032 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4033 * Makefile.in (dbxout.o): Add EXPR_H.
4035 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4037 PR tree-optimization/23509
4038 * tree-cfg.c (replace_uses_by): Use replace_exp.
4039 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4040 pointers have name_mem_tag or type_mem_tag set.
4042 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4044 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4045 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4046 of wrongly accessing operands.
4048 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4050 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4051 * tree-chrec.c: Include tree-scalar-evolution.h.
4052 (chrec_convert): Instantiate the base and step before calling
4053 scev_probably_wraps_p that would fail on parametric evolutions.
4054 Collect all the fails into a single section failed_to_convert,
4055 print a diagnostic, and return chrec_dont_know instead of calling
4057 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4058 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4060 (scev_const_prop): Don't replace the definition of a loop closed ssa
4061 phi node by itself, or by another loop closed ssa phi node.
4062 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4063 that base and step are defined.
4065 2005-09-09 Richard Guenther <rguenther@suse.de>
4068 * fold-const.c (fold_ternary): Check truth_value_p before
4069 calling invert_truthvalue.
4071 2005-09-09 Nick Clifton <nickc@redhat.com>
4073 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4074 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4075 dimension of these arrays.
4076 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4078 * longlong.h: Only provide a prototype for the __clz_tab[] array
4079 if this header has not been included from libgcc2.h.
4080 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4082 Provide prototypes for exported functions.
4083 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4086 2005-09-08 Josh Conner <jconner@apple.com>
4090 * expr.c (expand_expr_addr_expr_1): Don't invoke
4091 expand_simple_binop for EXPAND_INITIALIZER.
4093 2005-09-08 Richard Henderson <rth@redhat.com>
4096 * toplev.c (wrapup_global_declaration_1): Split out ...
4097 (wrapup_global_declaration_2): ... from ...
4098 (wrapup_global_declarations): ... here. Return bool.
4099 (check_global_declaration_1): Split out ...
4100 (check_global_declarations): from here.
4101 (emit_debug_global_declarations): New.
4102 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4103 check_global_declaration_1, emit_debug_global_declarations): Declare.
4104 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4105 of decls. Call wrapup_global_declaration_1,
4106 wrapup_global_declaration_2, check_global_declaration_1 directly.
4107 (c_write_global_declarations_2): New.
4109 (c_write_global_declarations): Call c_write_global_declarations_2.
4110 * langhooks.c (write_global_declarations): Call
4111 emit_debug_global_declarations.
4113 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4114 remove decls that have DECL_RTL_SET_P.
4115 * passes.c (rest_of_decl_compilation): Invoke
4116 cgraph_varpool_finalize_decl for all but functions.
4118 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4120 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4121 the result of a conversion if the new min and max cannot be compared.
4123 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4125 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4126 (override_options): Setting s390_sr_alias_set removed.
4127 (save_fpr, save_gprs): Set alias set to vararg or frame.
4128 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4129 s390_sr_alias_set with get_frame_alias_set ().
4130 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4131 get_varargs_alias_set ().
4133 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4137 * c-parser.c (c_parser_objc_method_definition): If the next
4138 token is not "{", error out and don't start the function.
4140 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4142 * tree-vrp.c (extract_range_from_expr): Move the check for non
4143 nullness after the check for gimple invariant.
4145 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4147 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4149 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4152 * config/m32r.md (movmemsi_internal): Canonicalize order of
4153 operands in PLUS component of template.
4155 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4157 * reload1.c (fixup_eh_region_note): Remove assertion.
4158 (fixup_abnormal_edges): Reverted removal of call to
4159 find_many_sub_basic_blocks made on 2005-08-31.
4161 2005-09-07 Richard Henderson <rth@redhat.com>
4163 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4164 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4165 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4166 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4167 rearrange for better packing.
4168 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4169 (lookup_cfa_1): Remove inline marker.
4170 (cfa_equal_p): Split out of ...
4171 (def_cfa_1): ... here. Use INVALID_REGNUM.
4172 (build_cfa_loc): Handle !cfa->indirect.
4173 (frame_pointer_cfa_offset): New.
4174 (dbx_reg_number): Assert register elimination performed; do
4175 leaf register remapping.
4176 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4177 (eliminate_reg_to_offset): New.
4178 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4179 for verifiably local stack frame addresses; re-base to CFA.
4180 (mem_loc_descriptor): Remove can_use_fbreg argument.
4181 (concat_loc_descriptor, loc_descriptor): Likewise.
4182 (containing_function_has_frame_base): Remove.
4183 (rtl_for_decl_location): Don't do register elimination or
4184 leaf register remapping here.
4185 (secname_for_decl): Split out from ..
4186 (add_location_or_const_value_attribute): ... here.
4187 (convert_cfa_to_loc_list): New.
4188 (compute_frame_pointer_to_cfa_displacement): New.
4189 (gen_subprogram_die): Use them.
4190 * tree.h (frame_base_decl): Remove.
4191 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4192 (prologue_stack_adjust): Remove.
4193 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4194 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4195 (set_frame_base_location): Remove.
4196 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4197 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4198 (vt_add_function_parameters): Don't eliminate_regs.
4199 (vt_initialize): Don't create frame_base_decl.
4201 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4203 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4204 version of GNU binutils for 4.x and later.
4206 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4208 * ggc-page.c (ggc_push_context): Remove.
4209 (ggc_pop_context): Likewise.
4210 * ggc.h (ggc_push_context): Remove.
4211 (ggc_pop_context): Likewise.
4213 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4216 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4217 returning from an interrupt handler.
4219 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4222 * config/arc/arc.c (output_shift): Add check for loop count when
4225 2005-09-06 Steven Bosscher <stevenb@suse.de>
4227 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4229 (abs_replacement): Likewise.
4230 (pass_phiopt): Remove TODO_update_ssa.
4232 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4235 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4236 if "return with no value, in function returning non-void" warning
4238 * tree-cfg.c (execute_warn_function_return): Don't look at
4239 RETURN_EXPRs with TREE_NO_WARNING set.
4242 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4243 for internal functions doesn't use registers used by global registers
4244 variables. Use fewer register parameters if there are global register
4247 2005-09-06 Olivier Hainque <hainque@adacore.com>
4248 Eric Botcazou <ebotcazou@adacore.com>
4251 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4252 when we would be extracting outside its bit span (bitpos+bitsize
4253 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4254 Ada unchecked conversions.
4256 2005-09-06 Steven Bosscher <stevenb@suse.de>
4258 * tree-ssa-pre.c (try_look_through_load): New function.
4259 (compute_avail): Use it to try to look through loads for some
4260 more useful expressions.
4262 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4264 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4265 condition for detecting cases like (a&a) and (a^a).
4267 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4269 * common.opt: Add option ftree-vect-loop-version.
4270 * params.def: Add --param vect-max-version-checks.
4271 * doc/invoke.texi: Document ftree-vect-loop-version and
4272 --param vect-max-version-checks.
4273 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4274 may_misalign_stmts and defines for accessors.
4275 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4276 LOOP_VINFO_MAY_MISALIGN_STMTS.
4277 (destroy_loop_vec_info): VEC_free for
4278 LOOP_VINFO_MAY_MISALIGN_STMTS.
4279 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4280 Update documentation.
4281 (vect_update_misalignment_for_peel): New.
4282 (vect_enhance_data_refs_alignment): Update to choose loop
4283 peeling or loop versioning if appropriate for the (potentially)
4284 unaligned data references in the loop.
4285 (vect_analyze_data_refs_alignment): Remove call to
4286 vect_enhance_data_refs_alignment so the checks can be done
4288 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4289 and move up call to vect_analyze_data_refs_alignment.
4290 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4291 (vect_transform_loop): Add call to loop_version.
4293 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4295 PR rtl-optimization/23098
4296 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4297 * simplify-rtx.c (constant_pool_reference_p): New function.
4298 * rtl.h (constant_pool_reference_p): New prototype.
4299 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4300 constant_pool_reference_p in condition and
4301 avoid_constant_pool_reference in preparation statements.
4303 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4305 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4306 STRICT_LOW_PART SETs.
4308 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4311 * except.c (sjlj_emit_function_enter): Find the function begin
4312 note even when it's not in first basic block.
4314 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4316 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4317 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4318 * aclocal.m4: Regenerate.
4320 2005-09-05 DJ Delorie <dj@redhat.com>
4322 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4325 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4327 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4328 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4329 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4330 Follow spelling conventions.
4331 * doc/invoke.texi: Follow spelling conventions.
4333 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4335 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4336 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4337 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4339 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4342 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4343 (output_stack_adjust): Use gen_tmp_stack_mem.
4344 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4345 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4346 (sh_get_pr_initial_val): Likewise.
4347 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4348 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4349 * sh.md (divsi_inv_m0): Use gen_const_mem.
4350 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4351 (movdf_i4+1): Use gen_tmp_stack_mem.
4352 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4353 (fpu_switch+2): Likewise.
4354 (movv4sf_i, movv16sf_i): Use adjust_address.
4355 (symGOT_load): Set MEM_NOTRAP_P bit.
4357 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4360 * pa.c (emit_move_sequence): Fix typo in last change.
4362 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4364 PR rtl-optimization/23454
4365 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4368 2005-09-03 Richard Henderson <rth@redhat.com>
4369 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4372 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4375 2005-09-02 Nicolas Pitre <nico@cam.org>
4377 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4378 to bit_count to 32 bits.
4380 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4383 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4384 generating synthetic loads from volatile lvalues.
4386 005-09-02 Nick Clifton <nickc@redhat.com>
4388 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4389 __ctzhi2, __clzhi2): New functions.
4391 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4394 * tree-nested.c (struct var_map_elt): Mark with GTY.
4395 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4397 (lookup_field_for_decl): Allocate new element in GC memory.
4398 (lookup_tramp_for_decl): Likewise.
4399 (convert_nl_goto_reference): Likewise
4400 (create_nesting_tree): Allocate info in GC memory. Likewise for
4402 (free_nesting_tree): Free with ggc_free instead of free.
4403 (root): New static variable.
4404 (lower_nested_functions): Remove root as local variable. And zero out
4405 root at the end of the function.
4407 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4409 PR rtl-optimization/20365
4410 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4411 to short. New member ix.
4412 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4413 (simplify_plus_minus): Initialize ix members before calling qsort.
4415 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4417 PR tree-optimization/23626
4418 * tree-cfg.c (replace_uses_by): Clean up eh info.
4420 2005-09-01 DJ Delorie <dj@redhat.com>
4422 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4425 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4427 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4428 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4431 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4433 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4434 do not issue warning for a variable definition following
4437 2005-09-01 Richard Henderson <rth@redhat.com>
4440 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4441 conversion to CONST_VECTOR.
4443 2005-09-01 Richard Henderson <rth@redhat.com>
4446 * reload1.c (reload_as_needed): Check !CALL_P before calling
4447 fixup_eh_region_note.
4448 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4450 2005-09-01 DJ Delorie <dj@redhat.com>
4452 * varasm.c (output_constant): Let the target resolve
4453 conversions of addresses to non-default pointer sizes.
4455 2005-09-01 Nicolas Pitre <nico@cam.org>
4457 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4458 to alow matching ARM pre-indexed addressing mode.
4459 (arm_override_options): Remove now irrelevant comment.
4461 2005-09-01 Phil Edwards <phil@codesourcery.com>
4463 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4464 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4465 * config/i386/vxworks.h: Likewise.
4466 * config/i386/t-vxworksae: New file, for VxWorks AE.
4467 * config/i386/vxworksae.h: Likewise.
4469 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4471 PR tree-optimization/23410
4472 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4473 sequence is not wrapping during the first step.
4475 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4478 * dwarf2out.c (base_type_die): Compare char_type_node with
4479 TYPE_MAIN_VARIANT (type), not type.
4481 2005-09-01 Richard Guenther <rguenther@suse.de>
4483 PR tree-optimization/15366
4484 * common.opt: Add -finline-functions-called-once.
4485 Put -fearly-inlining in alphabetically ordered place.
4486 * doc/invoke.texi: Document new option.
4487 * ipa-inline.c (cgraph_decide_inlining): Honour
4488 flag_inline_functions_called_once.
4490 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4492 PR rtl-optimization/23478
4493 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4494 (alloc_qty): Initialize it.
4495 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4496 (combine_regs): Combine also n_throwing_calls_crossed fields.
4497 (find_free_reg): Don't attempt to caller-save pseudos crossing
4498 calls that might throw.
4499 * global.c (struct allocno): Add throwing_calls_crossed field.
4500 (global_alloc): Revert 2005-08-22 change. Initialize
4501 throwing_calls_crossed.
4502 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4505 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4508 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4509 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4510 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4511 (and64_2_operand): Tweak to use predicate.
4512 (and_operand): Adjust for mask_operand changes.
4513 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4514 (print_operand): Likewise.
4515 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4516 (mask64_1or2_operand): Delete.
4517 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4518 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4519 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4520 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4521 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4522 (rotldi3_internal4): Likewise.
4523 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4524 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4525 (ashldi3_internal7): Likewise.
4526 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4527 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4528 (anddi3 split): Don't match mask64_operand.
4529 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4530 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4531 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4532 't' splitter predicate.
4533 (movdi_internal64 + 2): Revert 2005-06-11 change.
4535 2005-08-31 DJ Delorie <dj@redhat.com>
4537 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4538 (m32c_asm_integer): Add support for 32 bit pointers.
4540 2005-08-31 Richard Henderson <rth@redhat.com>
4542 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4543 component-like references for setting MEM_NOTRAP_P.
4545 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4546 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4548 2005-08-31 Richard Henderson <rth@redhat.com>
4550 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4551 into a pseudo before applying gen_lowpart.
4553 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4555 * doc/install.texi (Specific): Update cctools version required
4556 for full functionality.
4557 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4558 linkers as -macosx_version_min.
4560 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4563 * sh.c (print_operand, %R and %S): Add handling of floating point
4564 registers, memory, constants and invalid operands.
4566 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4568 * ipa-pure-const.c: Change dump name.
4570 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4573 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4574 to "reg_or_0_operand".
4575 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4577 2005-08-31 Dale Johannesen <dalej@apple.com>
4579 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4580 loops that count down.
4582 2005-08-31 Richard Henderson <rth@redhat.com>
4585 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4586 (fixup_eh_region_note): New.
4587 (reload_as_needed): Call it.
4588 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4589 don't call find_many_sub_basic_blocks; call verify_flow_info.
4590 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4591 (keep_stack_depressed): Likewise.
4592 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4594 2005-08-31 Richard Henderson <rth@redhat.com>
4596 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4599 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4601 * expr.c (expand_expr_real_1): Compare size of address
4602 mode to target's address mode size in deciding expansion of
4603 the constant address.
4605 2005-08-31 Richard Guenther <rguenther@suse.de>
4608 * expr.c (all_zeros_p): New function.
4609 (expand_expr_real_1): Handle the case of an all-zero
4610 non-addressable constructor separately.
4612 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4614 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4615 arguments, adjust all callers.
4616 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4618 2005-08-30 Richard Henderson <rth@redhat.com>
4621 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4622 whenever the mode sizes match.
4624 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4626 * calls.c (load_register_parameters): Fix comment typo.
4627 * expr.c (emit_push_insn): Comment formatting.
4629 2005-08-30 Ian Lance Taylor <ian@airs.com>
4631 * config/i386/x-cygwin (host-cygwin): Change dependency from
4632 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4634 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4636 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4639 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4642 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4643 call to ggc_collect.
4645 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4648 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4649 beginning. Remove $(INCLUDES) from all the rules, if following
4650 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4652 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4655 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4656 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4657 not constant, but maxlen is, don't set len to maxlen, rather
4658 set maxlen to len if len is a constant.
4660 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4662 PR tree-optimization/23475
4663 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4666 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4668 Fix PR middle-end/22455
4670 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4671 Checksum only the parts of the tree that exist for the tree code.
4673 2005-08-28 Dale Johannesen <dalej@apple.com>
4675 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4677 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4679 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4681 2005-08-28 Richard Henderson <rth@redhat.com>
4683 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4684 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4687 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4690 * builtins.c (get_memory_rtx): Don't strip nops
4691 in between COMPONENT_REFs.
4693 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4696 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4698 (gimplify_modify_expr): Check for zero sized types and gimplify the
4699 rhs and lhs as statements.
4701 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4704 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4705 state for return address column of signal frames.
4707 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4710 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4711 bytes >= 2 not bytes == 2.
4712 (expand_block_move): Same.
4714 2005-08-27 Richard Guenther <rguenther@suse.de>
4717 * config/i386/sse.md (sse2_movsd): Add missing closing
4720 2005-08-27 Paul Brook <paul@codesourcery.com>
4722 * genrecog.c (enum decision_type): Add DT_num_insns.
4723 (struct decision_test): Add u.num_insns.
4724 (add_to_sequence): Add DT_num_insns test.
4725 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4726 (write_cond, debug_decision_2): Ditto.
4727 (change_state): Assume peep2_next_insn never fails.
4728 Remove "afterward" argument.
4729 (write afterward, write_tree): Update to match.
4730 * recog.c (peep2_current_count): New variable.
4731 (peep2_next_insn): Check it.
4732 (peephole2_optimize): Set peep2_current_count.
4733 * recog.h (peep2_current_count): Declare.
4735 2005-08-26 Josh Conner <jconner@apple.com>
4738 * ipa-pure-const.c (check_tree): Check for volatile-ness
4739 when considering a dereference.
4741 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4743 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4745 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4747 PR rtl-optimization/23561
4748 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4749 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4750 at most LEN bytes long memory fits into the field.
4751 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4752 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4753 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4755 2005-08-26 Richard Henderson <rth@redhat.com>
4758 * loop.c (biased_biv_may_wrap_p): New.
4759 (maybe_eliminate_biv_1): Use it to suppress non-equality
4760 comparison transformations. Delete disabled code.
4762 2005-08-26 Ian Lance Taylor <ian@airs.com>
4764 * combine.c (make_extraction): Avoid reference outside object.
4766 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4768 * stor-layout.c (finalize_type_size): Restore behaviour for
4769 non-aggregate types to the status quo ante of the patch for
4770 pr 23467. Document why it matters.
4772 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4775 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4776 array by one element, initialize the BT_LAST element with NULL.
4778 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4780 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4781 optimizing for size.
4783 (compare_plus_eqsi): Same.
4784 (plus_eqsi_compare): Same.
4785 (neg_eq0<mode>): Same.
4786 (neg_eq<mode>): Same.
4788 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4791 2005-08-26 Nick Clifton <nickc@redhat.com>
4793 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4794 TARGET_EP is not defined.
4795 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4796 TARGET_EP is enabled.
4797 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4798 * config/v850/v850.md (save_all_interrupt): Only use the EP
4799 register if TARGET_EP is defined.
4800 (restore_all_interrupt): Likewise.
4801 * config/v850/lib1funcs.asm: Update functions so that the EP
4802 register is only used if __EP__ is defined.
4804 2005-08-26 David Ung <davidu@mips.com>
4806 * config/mips/mips.c (mips_expand_prologue): Handle case when
4807 generating for MIPS16 and the outgoing argument area is more than
4808 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4811 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4813 * config/crx/crx.md: Make doloop_end pattern usage controllable
4814 via mloop-nesting=<max-nesting> command line switch. Make sure
4815 the combiner cannot use doloop_end_<mode> in an illegal way.
4816 * config/crx/crx.c: Use regs up to r6 for argument passing.
4817 Refine crx_address_cost (non cst4 displacements are expensive).
4818 * config/crx/crx.opt: Add switch for mloop-nesting=.
4820 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4822 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4823 (UNSPEC_MVST): New constant.
4825 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4827 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4828 Reject operands containing eliminable registers.
4829 * testsuite/gcc.dg/20050825-1.c: New testcase.
4831 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4832 Jan Hubicka <jh@suse.cz>
4834 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4836 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4838 PR tree-optimization/23546
4839 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4842 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4844 * params.def (PARAM_MIN_SPEC_PROB): New.
4845 * sched-rgn.c (MIN_PROBABILITY): Delete.
4846 (compute_trg_info): Convert to PARAM_VALUE.
4847 * doc/invoke.texi (param): Document min-spec-prob.
4849 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4851 * config/darwin.h: define __PIC__
4852 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4853 TARGET_OS_CPP_BUILTINS macro.
4855 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4857 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4860 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4862 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4864 * cfghooks.c (duplicate_block): Added position where to place
4865 new block as argument.
4866 * cfghooks.h (duplicate_block): Declaration changed.
4867 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4869 * cfglayout.h (copy_bbs): Declaration changed.
4870 * cfgloop.h (loop_version): Declaration changed.
4871 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4872 position to copy_bbs.
4873 (loop_version): Pass position to duplicate_loop_to_header_edge.
4874 Add place_after argument and position new blocks according to
4876 * modulo-sched.c (sms_schedule): Pass place_after argument
4878 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4879 * tree-cfg.c (split_edge_bb_loc): New function.
4880 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4881 to determine position of new blocks.
4882 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4884 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4885 argument to duplicate_block.
4886 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4887 Pass position to copy_bbs.
4889 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4891 * fold-const.c (ptr_difference_const): Use
4892 cst_and_fits_in_hwi instead of host_integerp.
4894 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4896 * config/darwin.c (gen_pic_offset): New.
4897 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4900 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4902 PR tree-optimization/23486
4903 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4905 2005-08-23 Phil Edwards <phil@codesourcery.com>
4907 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4908 remove use_collect2.
4909 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4911 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4912 configuration files to override the default value.
4914 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4915 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4916 * config/vx-common.h: New file, split out from...
4917 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4918 * config/vxworksae.h: New file, for VxWorks AE.
4919 * config/vxworks.opt: New file.
4920 * config/vxlib.c: Update for VxWorks 6.
4922 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4923 other MULTILIB_* variables appropriately.
4924 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4925 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4926 * config/rs6000/vxworks.h: Update for VxWorks 6.
4927 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4929 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4932 * config/darwin.c (machopic_select_section): Remove the hack to
4933 mark "::operator new" and "::operator delete" for coalescing
4934 even though they are not weak.
4936 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4938 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4939 * configure: Regenerate.
4941 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4944 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4946 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4947 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4950 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4952 * config/rs6000/predicates.md (equality_operator): New.
4953 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4954 comparison with a large constant.
4956 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4958 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4960 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4962 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4963 registers is even, and we have a hardware double precision fp,
4965 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4966 size of current argument when checking if argument was passed in
4969 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4972 * stor-layout.c (finalize_type_size): Dont override
4973 existing alignment with a smaller alignment from the mode.
4975 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4977 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4978 * lambda.h (lambda_vector_lexico_pos): ... here.
4979 * tree-data-ref.c (build_classic_dist_vector): Return false when
4980 the distance vector is lexicographically negative.
4982 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4984 PR tree-optimization/23511
4985 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4986 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4988 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4990 PR tree-optimization/22043
4991 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4992 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4993 If ALLOW_FLEXARR, handle types ending with flexible array member.
4994 Pass false as second argument to recursive count_type_elements calls.
4995 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4996 argument to count_type_elements call.
4997 * tree-sra.c (decide_block_copy): Likewise.
4998 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4999 for a constant-sized object, set cleared as well. Pass true as
5000 second argument to count_type_elements call.
5002 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5005 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5006 from legitimate_small_data_p, and make global. Update use.
5007 Remove forward declaration.
5008 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5010 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5012 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5014 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5015 of scratch intermediates.
5016 (eq<mode>_compare): Same.
5017 (neg_eq0<mode>): New.
5018 (neg_eq<mode>): Convert to define_insn_and_split.
5020 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5023 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5024 stdarg functions, set/clear the fp marker even when no variable
5026 * config/rs6000/sysv4.opt (mprototype): Describe.
5028 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5030 PR rtl-optimization/23478
5031 * regs.h (reg_info): Add throw_calls_crossed.
5032 (REG_N_THROWING_CALLS_CROSSED): Define.
5033 * flow.c (allocate_reg_life_data): Initialize
5034 REG_N_THROWING_CALLS_CROSSED.
5035 (propagate_one_insn, attempt_auto_inc): Update
5036 REG_N_THROWING_CALLS_CROSSED.
5037 * global.c (global_alloc): Don't allocate pseudos across
5038 calls that may throw.
5040 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5043 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5044 value is inbetween the range if we did not find an exact match.
5046 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5048 * doc/invoke.texi (Option Summary): Add ms1 options.
5049 * doc/extend.texi: Document interrupt handler attribute for ms1.
5050 * doc/md.texi: Document ms1 constraints.
5051 * config.gcc: Add ms1-*-elf.
5052 * config/ms1/ms1.h: New.
5053 * config/ms1/ms1.c: New.
5054 * config/ms1/ms1.md: New.
5055 * config/ms1/ms1-protos.h: New.
5056 * config/ms1/ABI.txt: New.
5057 * config/ms1/crti.asm: New.
5058 * config/ms1/crtn.asm: New.
5059 * config/ms1/lib2extra-funcs.c: New.
5060 * config/ms1/t-ms1: New.
5061 * config/ms1/ms1.opt: New.
5063 2005-08-22 Ira Rosen <irar@il.ibm.com>
5065 * config/rs6000/altivec.md (xorv4sf3): New.
5066 (negv4sf2, neg<mode>2): Likewise.
5068 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5071 * config/ia64/ia64.md (divsi3): Check divide by zero.
5072 (udivsi3): Likewise.
5074 (udivdi3): Likewise.
5076 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5078 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5079 up to elem_bitsize bits, not max_bitsize.
5081 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5083 PR tree-optimization/23433
5084 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5085 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5087 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5089 PR tree-optimization/23434
5090 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5091 the iteration bound is not an INTEGER_CST.
5093 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5095 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5096 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5097 NULL if need_epilog_adjust is false.
5098 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5099 Case 3 always peels first itration, not just for PLUS case, and no need
5100 to use scalar_initial_def here. Create an epilog adjustment only if
5101 scalar_initial_def is not NULL.
5103 (vectorizable_reduction): Remove assert.
5105 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5108 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5109 (__moddi3): Likewise.
5110 (__udivdi3): Likewise.
5111 (__umoddi3): Likewise.
5112 (__divsi3): Likewise.
5113 (__modsi3): Likewise.
5114 (__udivsi3): Likewise.
5115 (__umodsi3): Likewise.
5117 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5119 * tree-pass.h (TDF_GRAPH): Define.
5120 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5121 * passes.c (finish_optimization_passes): Only call
5122 finish_graph_dump_file if TDF_GRAPH is set.
5123 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5124 NULL. Set TDF_GRAPH bit.
5125 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5127 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5129 * arm.h (arm_stack_offsets): Add locals_base field.
5130 * arm.c (arm_get_frame_offsets): Compute it.
5131 (thumb_compute_initial_elimination offset): Make the Thumb frame
5132 pointer point to the base of the local variables.
5133 (thumb_expand_prologue): Update accordingly.
5134 (thumb_expand_epilogue): Likewise.
5136 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5137 mode of clobbered scratch to DImode. Handle a case that's known to
5140 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5142 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5143 (gt0<mode>_compare): Delete.
5144 (neg_gt0<mode>): Delete.
5146 2005-08-19 Eric Christopher <echristo@apple.com>
5148 * optabs.h: Change CTI_ to COI_.
5151 2005-08-19 James E Wilson <wilson@specifix.com>
5153 * builtins.c (expand_builtin_return_addr): Set
5154 current_function_accesses_prior_frames when count != 0. Use
5155 frame_pointer_rtx when count == 0.
5156 * function.h (struct function): Add accesses_prior_frames field.
5157 (current_function_accesses_prior_frames): Define.
5158 * reload1.c (init_elim_table): Check
5159 current_function_accesses_prior_frames.
5160 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5162 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5164 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5165 indicator. Return true if the flowgraph changed during
5168 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5171 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5172 conditional expression before testing its value.
5174 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5176 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5178 2005-08-19 Devang Patel <dpatel@apple.com>
5180 PR tree-optimization/23048
5181 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5182 third parameter. Check whether latch is dominated by exit
5184 (if_convertible_loop_p): Supply exit block itself to
5185 if_convertible_bb_p.
5187 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5190 * arm.md (arm_load_pic_register): Change argument to the mask of
5191 saved registers. Call thumb_find_work_register if we need a
5192 scratch register on Thumb.
5193 (arm_expand_prologue): Pass empty register set to
5194 arm_load_pic_register.
5195 (thumb_expand_prologue): Pass live_regs_mask directly to
5196 arm_load_pic_register.
5197 * arm-protos.h (arm_load_pic_register): Update prototype.
5199 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5201 * sh.c (find_sole_member): New function.
5202 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5203 if the record's alignment is larger than the size of its only member.
5205 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5208 * arm.c (thumb_legitimize_reload_address): New function.
5209 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5210 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5212 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5214 * config/crx/crx.c: Implement crx_decompose_address. Reject
5215 symbolic displacements since CRX register relative adressing
5216 mode can't handle unsigned 32-bit values as displacements.
5217 * config/crx/crx.h: Simplify definitions, remove redundant
5218 parenthesis and obsolete macros.
5219 * config/crx/crx.opt: Add new switch for debugging addresses.
5220 * config/crx/crx-protos.h: Add new declarations for above.
5222 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5225 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5228 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5230 * collect2.c (dup2): Delete.
5231 * configure.ac: Don't check for dup2.
5233 * config.in, configure: Regenerate.
5235 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5237 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5238 record with the type of its only member.
5240 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5242 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5243 define_insn_and_split.
5244 (plus_ltu<mode>_compare): Same.
5245 (gtu<mode>_compare): Same.
5246 (plus_gtu<mode>_compare): Same.
5248 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5250 PR tree-optimization/22228
5251 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5253 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5254 are recorded in vect_vnames_to_rename for renaming.
5255 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5256 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5257 in vect_vnames_to_rename.
5258 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5259 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5261 2005-08-18 Jan Hubicka <jh@suse.cz>
5264 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5265 info only for local statics, not for member variables.
5267 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5269 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5271 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5273 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5275 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5278 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5280 2005-08-17 James E Wilson <wilson@specifix.com>
5282 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5285 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5287 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5288 (leu<mode>_compare): Same.
5289 (plus_leu<mode>): Same.
5290 (neg_leu<mode>): Same.
5291 (and_neg_leu<mode): Same.
5292 (ltu<mode>_compare): Same.
5293 (plus_ltu<mode>): Same.
5295 (geu<mode>_compare): Same.
5296 (plus_geu<mode>): Same.
5297 (neg_geu<mode>): Same.
5298 (and_neg_geu<mode>): Same.
5299 (plus_gt<mode>): Same.
5300 (gtu<mode>_compare): Same.
5301 (plus_gtu<mode>): Same.
5303 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5305 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5306 Move call_table_data to end. Delete spurious .text.
5307 (callt_save_all_interrupt): Fix comment typo.
5309 2005-08-17 James E Wilson <wilson@specifix.com>
5310 Kevin Winchester <winchester@amirix.com>
5313 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5315 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5318 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5319 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5321 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5323 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5324 record with the type of its only member if the modes don't match.
5326 * varasm.c (decode_reg_name): Skip empty additional register names.
5328 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5330 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5331 lsm_tmp_name_length): New.
5332 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5333 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5335 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5336 Andreas Krebbel <krebbel1@de.ibm.com>
5338 * config.gcc: Added z9-109 switch.
5339 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5340 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5341 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5342 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5343 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5344 for "z9_109" cpu attribute.
5345 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5346 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5347 (s390_handle_arch_option): Added z9-109 switch.
5348 (override_options): Set respective cost function for z9-109.
5349 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5350 (legitimate_reload_constant_p): Accept extended immediates.
5351 (print_operand): Three new output modifiers added: k, m and o.
5352 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5353 (s390_output_mi_thunk): Use extended immediate when possible.
5354 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5355 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5356 (CONSTRAINT_LEN): Added length of O constraint.
5357 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5358 * config/s390/s390.md ("cpu"): New value z9_109 added.
5359 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5360 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5361 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5362 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5363 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5364 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5365 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5366 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5367 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5368 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5369 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5370 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5371 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5372 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5373 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5375 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5376 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5377 insns for TARGET_EXTIMM.
5379 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5381 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5383 2005-08-17 Nick Clifton <nickc@redhat.com>
5385 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5386 Call default_encode_section_info.
5388 2005-08-17 Steven Bosscher <stevenb@suse.de>
5390 PR tree-optimization/21574
5391 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5392 constant, return CONSTANT.
5393 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5394 (ccp_fold, visit_assignment): Likewise.
5395 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5397 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5399 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5400 fold_buildN instead of buildN then fold_initializer or fold.
5401 (build_unary_op): Likewise.
5402 (build_binary_op): Likewise.
5403 * fold-const.c (fold_initializer): Remove.
5404 (fold_build1_initializer): New function.
5405 (fold_build2_initializer): New function.
5406 (fold_build3_initializer): New function.
5407 * tree.h (fold_initializer): Remove.
5408 (fold_build1_initializer): New function.
5409 (fold_build2_initializer): New function.
5410 (fold_build3_initializer): New function.
5412 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5414 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5415 (try_move_mult_to_index): Call fold_build2 instead of build2.
5416 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5417 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5418 fold_binary_to_constant.
5419 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5421 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5422 check if A == gcd (A, B). Remove TYPE argument.
5423 (analyze_offset) Use fold_build2 instead of fold (build.
5424 (create_data_ref): Likewise.
5425 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5426 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5429 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5431 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5432 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5434 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5437 * gimplify.c (zero_sized_type): New function.
5438 (gimplify_modify_expr_rhs): If we have a zero sized type,
5439 replace the statement with an empty statement.
5441 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5443 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5446 2005-08-16 Ian Lance Taylor <ian@airs.com>
5448 * doc/tm.texi (Label Output): Correct typo.
5450 2005-08-16 Steven Bosscher <stevenb@suse.de>
5453 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5454 force_operand will work later on using have_insn_for.
5456 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5458 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5460 2005-08-16 Ian Lance Taylor <ian@airs.com>
5463 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5464 vector type, don't try to construct it element by element. Add an
5465 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5467 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5469 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5471 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5473 * doc/invoke.texi (Precompiled Headers): Document some more options
5474 which are known to be safe.
5476 2005-08-16 James E Wilson <wilson@specifix.com>
5478 PR tree-optimization/21105
5479 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5480 TREE_OVERFLOW check.
5482 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5484 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5485 (neg_ltu<mode>): Same.
5487 (neg_gtu<mode>): Same.
5489 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5491 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5492 (fold_builtin_isdigit): Use fold_buildN.
5493 (build_function_call_expr): Likewise.
5494 * c-typeck.c (c_finish_loop): Likewise.
5496 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5497 Richard Shann <rshann@superh.com>
5499 PR middle-end/20396:
5500 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5502 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5504 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5506 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5509 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5510 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5513 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5516 * fold-const.c (build_range_check): Disable optimization for function
5517 pointer expressions on targets that require function pointer
5520 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5522 * simplify-rtx.c (simplify_const_relational_operation): When
5523 extracting arguments of a COMPARE, recompute the mode as well.
5525 2005-08-15 Ian Lance Taylor <ian@airs.com>
5527 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5529 2005-08-15 DJ Delorie <dj@redhat.com>
5531 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5533 (movsi_splittable): Allow, but split, moves to the stack.
5534 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5537 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5539 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5540 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5541 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5543 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5544 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5545 Delete HOST_PTR_PRINTF.
5547 * configure, config.in: Regenerate.
5549 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5551 * config/rs6000/rs6000.md (QHSI): New mode macro.
5552 (wd): Extend mode attr for QImode and HImode
5553 (dbits): New mode attr.
5554 (zero_extend<mode>di2): Convert to mode macro.
5556 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5559 * doc/invoke.texi (-mgnu-ld): Update description.
5562 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5565 * Makefile.in (tree-chrec.o): Depends on real.h.
5566 * tree-chrec.c: Include real.h.
5567 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5568 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5569 * tree-scalar-evolution.c (add_to_evolution_1,
5570 interpret_rhs_modify_expr): Ditto.
5572 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5575 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5576 step is negative compute the estimation from init downwards to zero.
5578 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5580 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5582 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5584 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5586 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5587 Accept double-word constants that can be split.
5588 * config/s390/s390.md ("movti"): Use 'P' constraint.
5589 ("*movdi_31", "*movdf_31"): Likewise.
5591 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5593 Fix PR tree-optimization/22615
5595 * tree-ssa-structalias.c (solution_set_add): Handle
5596 first_vi_for_offset returning NULL.
5597 (do_da_constraint): Ditto.
5598 (do_sd_constraint): Ditto.
5599 (do_ds_constraint): Ditto
5600 (find_func_aliases): Ditto.
5601 (build_constraint_graph): RHS is allowed be ANYTHING.
5602 (first_vi_for_offset): Return NULL if we couldn't find anything at
5605 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5607 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5608 over memory as first operand.
5610 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5613 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5614 available for setting it.
5616 2005-08-14 Ira Rosen <irar@il.ibm.com>
5618 PR tree-optimization/23320
5619 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5620 data-refs' types instead of base object nullness. Add check for
5621 pointer type data-refs before first location comparison. Remove
5624 2005-08-14 Andreas Schwab <schwab@suse.de>
5626 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5628 2005-08-13 James E Wilson <wilson@specifix.com>
5630 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5631 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5632 -fstack-protector-all, --param ssp-buffer-size): Document.
5633 (-Wvariadic-macros): Alphabetize.
5634 (-fsched-stalled-insns-dep): Add missing 'f'.
5636 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5639 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5641 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5642 or indirect address operand.
5643 (EXTRA_ADDRESS_CONSTRAINT): New.
5644 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5646 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5648 PR tree-optimization/22236
5649 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5650 successors and predecessors.
5651 * tree-chrec.c (chrec_convert): Before converting, check that
5652 sequences don't wrap.
5653 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5654 (analyze_array): Extern.
5655 (find_data_references_in_loop): Remove call to
5656 compute_estimated_nb_iterations.
5657 * tree-data-ref.h (analyze_array): Declared.
5658 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5659 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5660 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5661 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5663 * tree-ssa-loop-ivcanon.c: Fix documentation.
5664 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5665 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5666 (infer_loop_bounds_from_undefined): New.
5667 (estimate_numbers_of_iterations_loop): Use
5668 infer_loop_bounds_from_undefined.
5669 (used_in_pointer_arithmetic_p): New.
5670 (scev_probably_wraps_p): Pass an extra parameter. Call
5671 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5672 (convert_step): Fix documentation.
5673 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5674 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5675 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5676 scev_probably_wraps_p.
5678 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5680 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5681 (s390_register_info): Ignore clobbered_regs information for fixed
5682 registers, and only fixed registers.
5683 (s390_init_frame_layout): Remove redundant call.
5685 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5687 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5688 description of -Wold-style-casts.
5690 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5691 Jakub Jelinek <jakub@redhat.com>
5693 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5694 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5695 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5696 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5697 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5698 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5699 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5700 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5701 ("stack_protect_set", "stack_protect_test"): New expanders.
5702 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5703 "stack_protect_testdi"): New insn definitions.
5705 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5707 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5709 2005-08-12 Paul Brook <paul@codesourcery.com>
5711 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5713 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5715 * config/s390/predicates.md (setmem_operand): New predicate.
5716 (shift_count_operand): Accept ANDs with special constants as
5718 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5719 with special constants.
5720 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5721 shift_count_operand with setmem_operand.
5723 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5725 * config/s390/s390.c (s390_extract_part, s390_single_part):
5727 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5728 (s390_output_mi_thunk): Don't use lg on 31 bit.
5729 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5730 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5732 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5734 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5735 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5736 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5737 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5738 with one of the new macros.
5740 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5742 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5743 Don't set save_return_addr_p.
5744 (s390_register_info): Make clobbered_regs not depending on
5747 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5749 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5750 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5752 2005-08-11 James E. Wilson <wilson@specifix.com>
5754 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5756 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5758 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5759 locations gathered by var-tracking in single entry loc_list
5760 over loc_descriptor_from_tree.
5762 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5763 pass it down to loc_descriptor.
5764 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5765 (containing_function_has_frame_base): Move earlier in the file.
5766 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5767 instead of always assuming fbreg can't be used.
5769 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5771 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5772 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5773 Accept address wrapped in AND for Altivec.
5774 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5775 Strip AND wrapping offset address for Altivec.
5777 2005-08-11 Richard Henderson <rth@redhat.com>
5780 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5781 before using TYPE_IS_SIZETYPE.
5783 2005-08-11 Richard Henderson <rth@redhat.com>
5786 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5787 insn types not present on ev4.
5788 (alphaev5_insn_pipe): Similarly.
5790 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5793 * arm.c (arm_override_options): If the user has selected callee-super-
5794 interworking, then enable normal interworking.
5796 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5798 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5801 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5803 * doc/rtl.texi: Fix two typos.
5805 2005-08-11 Richard Guenther <rguenther@suse.de>
5808 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5809 cases where we call to/from functions returning void.
5811 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5814 * tree.c (build_pointer_type_for_mode): Robustify.
5816 2005-08-10 James E Wilson <wilson@specifix.com>
5818 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5819 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5821 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5824 2005-08-10 Eric Christopher <echristo@apple.com>
5826 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5827 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5830 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5833 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5834 for the high part when generating dynamic-no-pic code.
5836 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5838 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5839 (x86_64-*-linux*): Likewise.
5841 * config/i386/crtfastmath.c: New file.
5842 * config/i386/t-crtfm: Likewise.
5844 * config/i386/linux.h (ENDFILE_SPEC): New.
5845 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5847 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5850 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5852 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5853 (vec_shl, vec_shr): Document new operations.
5854 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5856 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5858 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5859 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5860 change predicate to indexed_or_indirect_address.
5862 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5864 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5865 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5866 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5867 and __aeabi_uwrite8.
5868 * config/arm/unaligned-funcs.c: New file.
5869 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5871 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5873 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5875 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5876 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5878 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5879 * final.c (pass_shorten_branches): Add dump.
5880 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5881 (pass_life): Rename dump.
5882 (rest_of_handle_flow2): Remove initial verify_flow_info.
5883 * function.c (pass_instantiate_virtual_regs): Add dump.
5884 * integrate.c (pass_initial_value_sets): Add dump.
5885 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5886 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5887 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5888 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5889 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5890 gate_rtl_unrool_and_peel_loops): New.
5891 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5892 rtl_doloop): Do not look at flags.
5893 * mode-switching.c (pass_mode_switching): Add dump.
5894 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5895 pass_split_before_regstack): Add dump.
5896 * regmove.c (pass_stack_adjustments): Add dump.
5897 * tree-optimize.c (pass_fixup_cfg): Add dump.
5899 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5902 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5903 deciding which instruction sequence to use.
5905 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5907 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5908 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5910 2005-08-09 Richard Guenther <rguenther@suse.de>
5912 * c-common.c (builtin_function_2): Remove.
5913 (def_builtin_1): New function.
5914 (c_common_nodes_and_builtins): Use def_builtin_1 to
5915 build builtin functions.
5917 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5919 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5920 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5921 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5924 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5926 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5927 fold_binary instead of fold_build2 since we don't care about the
5929 (loop_niter_by_eval): Likewise.
5930 (compare_trees): Likewise.
5931 (proved_non_wrapping_p): Likewise.
5933 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5937 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5938 if the if is really empty.
5940 2005-08-09 Steven Bosscher <stevenb@suse.de>
5942 PR tree-optimization/23234
5943 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5944 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5945 argument of the new enum.
5946 (execute_cse_reciprocals): Add reciprocals for function arguments
5947 on the unique successor edge of the entry block. Update other calls
5948 to execute_cse_reciprocals_1.
5950 2005-08-08 Richard Henderson <rth@redhat.com>
5953 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5955 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5957 * expr.c (write_complex_part): Return after handling MEM.
5959 2005-08-08 Josh Conner <jconner@apple.com>
5961 PR rtl-optimization/23241
5962 * combine.c (simplify_comparison): Fix error in determining
5963 whether to lift a subreg from comparison.
5965 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5968 * config/rs6000/altivec.md (vec_init<mode>): New.
5969 (vec_set<mode>): New.
5970 (vec_extract<mode>): New.
5971 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5972 (rs6000_expand_vector_set): New.
5973 (rs6000_expand_vector_extract): New.
5974 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5975 for Altivec modes before reload.
5976 (altivec_expand_vec_init_builtin): New.
5977 (get_element_number): New.
5978 (altivec_expand_vec_set_builtin): New.
5979 (altivec_expand_vec_ext_builtin): New.
5980 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5982 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5984 * config/rs6000/rs6000.h (rs6000_builtins): Add
5985 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5986 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5987 * config/rs6000/rs6000-protos.h: Declare new functions.
5989 2005-08-08 Jan Hubicka <jh@suse.cz>
5991 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5992 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5993 * i386.md (movdi*): Use pic_32bit_operand.
5994 * predicates.md (pic_32bit_operand): New.
5996 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5999 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6001 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6003 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6004 (test_for_singularity): Use fold_build2.
6006 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6008 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6010 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6012 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6013 (COMMON_ASM_OP) Define.
6014 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6015 (ix86_encode_section_info): Likewise.
6016 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6017 SUBTARGET_ENCODE_SECTION_INFO.
6019 2005-08-06 Richard Henderson <rth@redhat.com>
6022 * tree-nested.c (convert_local_reference): Save and restore val_only
6023 around component_ref and friends. Clear walk_subtrees by default.
6025 2005-08-06 Peter O'Gorman <peter@pogma.com>
6028 * gcc.c (process_command): Check the argument to -b has a dash.
6029 * doc/invoke.texi: Update -b and -V docs.
6031 2005-08-06 James E Wilson <wilson@specifix.com>
6033 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6035 2005-08-06 Michael Matz <matz@suse.de>
6037 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6038 member only if only one insn is associated with the value.
6040 2005-08-06 Nick Clifton <nickc@redhat.com>
6042 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6044 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6045 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6046 Check symbol flags instead of symbol name mangling.
6047 (xstormy16_asm_output_aligned_common): Likewise. Also
6048 simplify code since the bss100_section cass is the only case
6049 where the below100 code will be triggered.
6050 (xstormy16_encode_section_info): Encode below100 attribute
6051 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6053 (xstormy16_strip_name_encoding): Delete - this function is no
6055 (TARGET_STRIP_NAME_ENCODING): Undefine.
6056 * config/stormy16/stormy16-protos.h: Delete prototype for
6057 xstormy16_strip_name_encoding.
6059 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6061 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6062 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6063 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6064 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6065 config/alpha/predicates.md, config/arc/arc.h,
6066 config/arm/arm.h, config/arm/ieee754-df.S,
6067 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6068 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6069 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6070 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6071 config/m68hc11/m68hc11.h, config/mips/mips.c,
6072 config/mips/mips.h, config/mips/openbsd.h,
6073 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6074 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6075 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6076 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6077 config/sparc/linux.h, config/sparc/linux64.h,
6078 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6079 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6080 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6081 typos. Follow spelling conventions.
6083 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6086 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6087 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6088 specially. Check for side effects only for COND_EXPR.
6089 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6090 return with TREE_NO_WARNING.
6092 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6094 PR rtl-optimization/23233
6095 * loop.c (combine_movables): Require the modes to be the same.
6096 (move_movables): Remove handling of cases where the replacement
6097 had a different mode to the original.
6099 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6101 PR tree-optimization/23128
6102 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6103 subtraction wrap, and set TREE_OVERFLOW if they do.
6105 2005-08-05 Richard Henderson <rth@redhat.com>
6108 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6109 FORCED_LABEL labels.
6111 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6114 * reload.c (find_reloads_subreg_address): Pass down TYPE
6115 unchanged. Change all callers except find_reloads_toplev.
6117 2005-08-05 Michael Matz <matz@suse.de>
6119 * genattrtab.c (current_alternative_string): Remove.
6120 (SIMPLIFY_ALTERNATIVE): Ditto.
6121 (attr_alt_bit_p): Ditto.
6122 (alternative_name): Make const char *.
6123 (evaluate_eq_attr): Remove use of above things.
6124 (simplify_test_exp): Ditto.
6125 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6126 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6128 2005-08-04 James E Wilson <wilson@specifix.com>
6130 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6131 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6132 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6133 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6134 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6136 2005-08-04 Richard Henderson <rth@redhat.com>
6139 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6140 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6141 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6142 if we'd have to instantiate too many members.
6144 2005-08-04 Richard Henderson <rth@redhat.com>
6147 * tree-outof-ssa.c (coalesce_asm_operands): New.
6148 (coalesce_ssa_name): Use it. Split out ...
6149 (coalesce_phi_operands, coalesce_result_decls): ... these.
6151 2005-08-04 Paul Brook <paul@codesourcery.com>
6153 * read-rtl.c (read_quoted_string): Break if EOF.
6155 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6157 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6158 (fold_build2): Likewise.
6159 (fold_build3): Likewise.
6160 (fold_build1_stat): New function prototype.
6161 (fold_build2_stat): Likewise.
6162 (fold_build3_stat): Likewise.
6163 * fold-const.c (fold_build1): Rename to ..
6164 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6165 through to build1_stat.
6166 (fold_build2): Rename to ..
6167 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6168 through to build2_stat.
6169 (fold_build3): Rename to ..
6170 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6171 through to build3_stat.
6173 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6174 Ian Lance Taylor <ian@airs.com>
6176 * function.c (assign_stack_local_1): Do not correct stack slot
6177 address if allocation size is smaller than mode size.
6179 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6182 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6183 (tree_merge_blocks): Propagate anything allowed by
6185 Clarify documentation.
6186 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6187 SSA form, schedule an update if necessary.
6189 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6191 * doc/install.texi (Binaries): Remove broken link to
6192 Sinix/Reliant Unix binaries.
6194 2005-08-03 Richard Henderson <rth@redhat.com>
6197 * function.c (stack_protect_epilogue): Export.
6198 * tree.h (stack_protect_epilogue): Declare.
6199 * calls.c (expand_call): Call it.
6201 2005-08-03 Eric Christopher <echristo@apple.com>
6203 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6204 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6207 2005-08-04 Jan Hubicka <jh@suse.cz>
6209 * profile.c (branch_prob): Split edges with goto locus on them
6210 to get proper line counts.
6211 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6213 2005-08-03 Paul Brook <paul@codesourcery.com>
6215 * function.c (assign_parms): Round current_function_args_size
6216 to PARM_BOUNDARY, not STACK_BOUNDARY.
6218 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6220 * config/i386/i386.c (x86_elf_aligned_common)
6221 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6223 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6225 PR tree-optimization/23157
6226 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6227 before emitting them.
6229 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6231 PR tree-optimization/19899
6232 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6233 * tree-scalar-evolution.c: Include real.h.
6234 (add_to_evolution): Build constant -1 of correct type.
6236 2005-08-03 Jan Hubicka <jh@suse.cz>
6238 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6239 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6240 profile updating for complette unrolling.
6241 * loop-unroll.c (peel_loop_completely): Use it.
6242 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6243 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6246 2005-08-03 Paul Brook <paul@codesourcery.com>
6248 * combine.c (can_change_dest_mode): New function.
6249 (try_combine, simplify_set): Use it.
6251 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6253 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6256 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6258 * doc/install.texi (Specific): Adjust link to openavr.org.
6259 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6260 (Binaries): Adjust HP-UX Porting Center link.
6261 (Binaries): Adjust Free Software Foundation ordering link.
6263 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6265 * convert.c (convert_to_integer): Use fold_build1 instead of
6266 build1 when converting an integer to an integer.
6268 2005-08-02 Richard Henderson <rth@redhat.com>
6270 * combine.c (combine_instructions): Don't use reg_equal/equiv
6271 results if the mode doesn't match.
6273 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6275 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6276 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6278 2005-08-02 Richard Henderson <rth@redhat.com>
6281 * explow.c (memory_address): Remove special-case for
6282 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6284 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6287 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6288 number of calls to cleanup_tree_cfg_1.
6290 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6292 * doc/invoke.texi: document file extensions .F90 and .F95
6294 2005-08-02 Richard Guenther <rguenther@suse.de>
6296 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6297 positive if its first argument is positive.
6299 2005-08-02 Richard Guenther <rguenther@suse.de>
6301 PR tree-optimization/23177
6302 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6305 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6307 PR tree-optimization/23129
6308 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6309 varying for divisions with anti-ranges.
6311 2005-08-02 Jan Hubicka <jh@suse.cz>
6313 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6314 * tree-ssa-threadupdate.c (thread_block): Add it here.
6316 2005-08-01 James E Wilson <wilson@specifix.com>
6318 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6319 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6320 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6322 * config/mips/predicates.md (const_call_insn_operand): Add check for
6323 SYMBOL_REF_LONG_CALL_P.
6324 * doc/extend.texi (long_call): Document the new attribute.
6326 2005-08-01 Ian Lance Taylor <ian@airs.com>
6327 Richard Henderson <rth@redhat.com>
6329 * Makefile.in (RTL_BASE_H): Add real.h.
6330 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6332 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6334 * rtl.c (rtl_check_failed_code_mode): New.
6335 * rtl.h (struct rtx_def): Add u.rv.
6336 (XCMWINT, XCNMPRV): New.
6337 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6338 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6340 2005-08-01 Richard Henderson <rth@redhat.com>
6342 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6343 with auto-inc codes.
6345 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6347 2005-08-01 Jan Hubicka <jh@suse.cz>
6349 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6350 * i386.c: Include dwarf2.h
6351 (asm_preferred_eh_data_format): New.
6352 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6354 2005-08-01 Ian Lance Taylor <ian@airs.com>
6356 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6357 randomize_va_space for virtual address randomization control.
6359 2005-08-01 Steven Bosscher <stevenb@suse.de>
6361 * common.opt (flag_ipa_cp): Put in right place to maintain
6364 2005-08-01 Jan Hubicka <jh@suse.cz>
6366 * profile.c (compute_value_histograms): Fix thinko.
6367 * value-prof.c: Include toplev.h
6368 (check_counter): New function.
6369 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6370 tree_mod_subtract_transform): Add sanity check.
6372 2005-08-01 Richard Guenther <rguenther@suse.de>
6374 PR tree-optimization/23133
6375 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6376 current functions parameter decls to find defs to cse
6379 2005-08-01 Richard Guenther <rguenther@suse.de>
6381 PR tree-optimization/23109
6382 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6383 If trapping math is in effect, use post-dominator information
6384 to check if we'd in any case reach a trapping point before
6385 doing the reciprocal insertion.
6386 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6387 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6388 expressions are invariant only if trapping math is not in effect.
6390 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6392 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6393 cgraph_function_versioning): New declarations.
6394 * cgraphunit.c: Add include to ipa-prop.h.
6395 (update_call_expr, cgraph_copy_node_for_versioning,
6396 cgraph_function_versioning): New functions.
6397 * integrate.c (copy_decl_for_inlining): Remove.
6398 * ipa-prop.h (ipa_replace_map): New struct.
6399 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6400 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6401 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6402 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6403 ipcp_iterate_stage, ipcp_method_scale_print,
6404 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6405 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6406 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6407 ipcp_update_bb_counts, ipcp_update_profiling,
6408 ipcp_update_edges_counts): New functions.
6409 (ipcp_method_cval_init): Remove restriction regarding local methods.
6410 (ipcp_init_stage): Add ipcp_method_compute_scale.
6411 (ipcp_insert_stage): Add versioning.
6412 (ipcp_structures_print): Add ipcp_method_scale_print.
6413 (ipcp_driver): Dump profiling info.
6414 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6415 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6416 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6417 (struct inline_data): Add versioning_p, ipa_info, new fields.
6418 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6419 declare_return_variable): Replace calls to copy_decl_for_inlining with
6421 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6423 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6424 Add argument VERSIONING.
6425 (copy_arguments_for_versioning, copy_static_chain,
6426 function_versionable_p, tree_versionable_function_p,
6427 tree_function_versioning, replace_ref_tree): New functions.
6428 * tree-inline.h: Include varray.h.
6429 (tree_versionable_function_p, tree_function_versioning,
6430 tree copy_decl_for_dup): New declarations.
6432 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6434 * ipa-cp.c: New file. Contains IPCP specific functionality.
6435 * ipa-prop.h: New file. Contains structures/definitions that can be
6436 used by several interprocedural data flow optimizations (and also IPCP).
6437 * ipa-prop.c: New file.
6438 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6439 * common.opt: Add ipa-cp flag.
6440 * timevar.def: Add IPCP optimization.
6441 * tree-optimize.c (init_tree_optimization_passes): Schedule
6443 * tree-pass.h (pass_ipa_cp): Declare.
6445 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6447 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6448 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6449 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6450 config/i386/i386.c, config/mips/mips.h,
6451 config/rs6000/rs6000.h, config/sh/sh.c,
6452 config/stormy16/stormy16.c: Fix comment typos.
6454 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6457 * c-typeck.c (build_binary_op): Use common_type wrapper on
6459 (common_type): Update comment.
6461 2005-07-31 Steven Bosscher <stevenb@suse.de>
6464 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6465 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6466 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6468 2005-07-31 Jan Hubicka <jh@suse.cz>
6470 * pretty-print.h (pp_widest_integer): New macro.
6471 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6474 2005-07-31 Jan Hubicka <jh@suse.cz>
6476 * output.h (enum section_category): Export from varasm.c
6477 (categorize_decl_for_section): Likewise.
6478 * varasm.c (enum section_category): Kill.
6479 (categorize_decl_for_section): Make global.
6480 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6482 * i386.c (ix86_section_threshold): New static variable.
6483 (ix86_in_large_data_p, ix86_encode_section_info,
6484 x86_64_elf_unique_section,
6485 x86_64_elf_select_section): New functions.
6486 (TARGET_ENCODE_SECTION_INFO): Define
6487 (override_options): Enable medium model for PIC.
6488 (ix86_expand_prologue): Expand gen_set_got_rex64.
6489 (legitimate_constant_p): Handle new UNSPECs.
6490 (legitimate_pic_address_disp_p): Likewise.
6491 (legitimize_pic_address): Lower MEDIUM model addressing.
6492 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6493 (enum cmodel): Add MEDIUM_PIC.
6494 (SYMBOL_REF_FAR_ADDR_P): New macro.
6495 (SYMBOL_FLAG_FAR_ADDR): New flag.
6496 * i386.md (movdi): Support medium model.
6497 (set_got_rex64): New pattern.
6498 * i386.opt (mlarge-data-threshold): New flag.
6499 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6500 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6501 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6502 TARGET_ASM_UNIQUE_SECTION): New.
6504 * invoke.texi (-mlarge_data_threshold): Document
6506 2005-07-31 Jan Hubicka <jh@suse.cz>
6508 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6509 (coalesce_vars): Likewise.
6510 * tree-ssa-live.c (coalesce_cost): New.
6511 (build_tree_conflict_graph): Use coalesce_cost.
6512 * tree-ssa-live.h (coalesce_cost): Declare.
6514 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6516 * arm.md (all peepholes for post-increment operations): Delete.
6517 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6518 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6519 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6520 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6521 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6523 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6525 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6528 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6531 * doc/invoke.texi: Document -rdynamic.
6533 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6536 * c-parser.c (c_parser_parms_list_declarator): Call
6537 mark_forward_parm_decls.
6538 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6539 decls with visibility structure.
6541 2005-07-30 Paul Brook <paul@codesourcery.com>
6543 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6545 2005-07-30 Paul Brook <paul@codesourcery.com>
6547 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6549 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6551 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6553 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6556 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6557 nested function declarators.
6558 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6559 (grokparms): Call warn_if_shadowing for parameters used within the
6561 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6562 not used within the parameter list.
6563 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6565 2005-07-30 Jan Hubicka <jh@suse.cz>
6567 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6568 * i386.c (ix86_fixup_binary_operands): Likewise.
6569 (ix86_expand_unary_operator): Likewise.
6570 (ix86_expand_fp_absneg_operator): Likewise.
6571 * optabs.c (expand_vec_cond_expr): Validate dest.
6573 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6576 * real.c (real_from_string): Also set last bit if there is a
6577 nonzero hex digit beyond GCC's internal precision after ".".
6579 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6581 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6582 define_constants. Change duplicate values to unassigned numbers.
6583 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6584 (*altivec_vspltsf): New.
6585 (altivec_vperm_v4sf): Delete.
6586 (altivec_vperm_<mode>): Use mode macro V.
6587 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6588 (altivec_predicate_v4sf): Delete.
6589 (altivec_predicate_<mode>): Use mode macro V.
6590 (*altivec_lvesfx): New.
6591 (*altivec_stvesfx): New.
6592 (vec_realign_load_v4sf): Delete.
6593 (vec_realign_load_<mode>): Use mode macro V.
6594 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6597 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6600 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6602 * configure: Regenerated.
6604 2005-07-29 Paul Brook <paul@codesourcery.com>
6606 * doc/install.texi: Add link to GFortran binaries wiki page.
6608 2005-07-29 David Ung <davidu@mips.com>
6610 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6611 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6612 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6613 * config/mips/mips.md (cpu): Add 5kf name.
6614 (includes): Includes 5k.md.
6615 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6616 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6619 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6622 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6623 (cleanup_tree_cfg): ... here.
6624 Call cleanup_tree_cfg_1 until there are no more cleanups to
6627 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6629 * tree-vrp.c (compare_range_with_value): Return true or false
6630 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6631 EQ_EXPR respectively.
6633 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6635 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6638 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6640 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6641 (tree_ssa_dominator_optimize): Increment it.
6642 (dump_dominator_optimization_stats): Print it.
6644 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6645 Steven Bosscher <stevenb@suse.de>
6647 PR rtl-optimization/23117
6648 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6649 when head == tail. Tidy comment.
6651 2005-07-28 Richard Henderson <rth@redhat.com>
6653 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6654 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6655 * jump.c (rtx_renumbered_equal_p): Likewise.
6656 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6657 CONST_INT and CONST_DOUBLE.
6658 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6659 * reload.c (operands_match_p): Special case CONST_INT and
6660 CONST_DOUBLE; check mode earlier.
6662 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6665 * c-typeck.c (convert_for_assignment): Do not check
6666 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6668 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6671 * c-typeck.c (composite_type): Prefer constant size arrays to
6674 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6677 * real.c (real_from_string): Set last bit if there is a nonzero
6678 hex digit beyond GCC's internal precision.
6680 2005-07-28 Richard Henderson <rth@redhat.com>
6683 * cfgcleanup.c (try_forward_edges): Watch out for end of
6686 2005-07-28 James E Wilson <wilson@specifixinc.com>
6689 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6691 2005-07-28 Jan Hubicka <jh@suse.cz>
6693 * Makefile.in (rtl-profile.o): Kill all traces of it.
6694 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6695 * coverage.h (rtl_coverage_counter_ref): Kill.
6696 * opts.c (flag_speculative_prefetching_set): Kill.
6697 (flag_loop_optimize_set): New.
6698 (common_handle_option): Disable loop optimizer when profiling;
6699 do not handle speculative prefetching.
6700 * passes.c (init_optimization_passes): Replace pass_profiling combo
6701 by branch_prob pass.
6702 * profile.c (compute_value_histograms): Update for simplified value
6704 (rtl_register_profile_hooks): Kill.
6705 (pass_profiling): Kill.
6706 (rest_of_handle_branch_prob): Do not profile.
6707 * toplev.c (process_options): Remove speculative prefetching.
6708 * toplev.h (flag_tree_based_profiling): Kill.
6709 * tree-profile.c (prepare_instrumented_value,
6710 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6711 tree_gen_one_value_profiler, do_tree_profiling): Update for
6712 simplified datastructures.
6713 * value-prof.c: Add comment that speculative prefetching was dropped;
6714 update rest of file for simplified datastructures.
6715 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6716 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6717 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6718 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6719 rtl_mod_subtract, gen_speculative_prefetch,
6720 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6721 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6722 (gate_handle_value_profile_transformations,
6723 rest_of_handle_value_profile_transformations,
6724 pass_value_profile_transformations): Kill.
6725 * value-prof.h (histogram_value_t): Remove IL based unions.
6726 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6727 rtl_profile_hooks): Remove hooks.
6729 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6731 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6732 (cgraph_clone_node): Likewise.
6733 * cgraph.h (cgraph_clone_edge): Update prototype.
6734 (cgraph_clone_node): Likewise.
6735 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6737 (lookup_recursive_calls): Consider profile.
6738 (cgraph_decide_recursive_inlining): Fix updating; use new
6739 probability argument; use profile.
6740 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6741 * tree-inline.c (copy_bb): Update clal of clone_edge.
6742 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6744 * invoke.texi (min-inline-recursive-probability): Document.
6746 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6748 * doc/install.texi (Configuration): Update Valgrind homepage.
6750 2005-07-28 Richard Henderson <rth@redhat.com>
6753 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6754 labels we want to delete.
6755 (cfg_layout_merge_blocks): Likewise.
6757 2005-07-28 Richard Henderson <rth@redhat.com>
6760 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6761 when expanding to nothing.
6763 2005-07-28 Josh Conner <jconner@apple.com>
6765 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6766 (cgraph_decide_inlining_of_small_functions): Likewise.
6768 2005-07-28 Josh Conner <jconner@apple.com>
6770 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6771 direction of badness if negative.
6772 (cgraph_default_inline_p): Add reason to parameters, and assign it
6774 (cgraph_decide_inlining_of_small_functions): New parameter in call
6775 to cgraph_default_inline_p.
6776 (cgraph_decide_inlining_incrementally): Likewise.
6777 * cgraphunit.c (decide_is_function_needed): Likewise.
6778 * cgraph.h (cgraph_default_inline_p): Likewise.
6780 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6782 * builtins.c: Fix comment typo(s).
6783 * genautomata.c: Likewise.
6784 * gimplify.c: Likewise.
6785 * tree-dfa.c: Likewise.
6786 * tree-flow-inline.h: Likewise.
6787 * tree-into-ssa.c: Likewise.
6788 * tree-ssa-alias.c: Likewise.
6789 * tree-ssa-ccp.c: Likewise.
6790 * tree-ssa-copy.c: Likewise.
6791 * tree-ssa-dce.c: Likewise.
6792 * tree-ssa-dom.c: Likewise.
6793 * tree-ssa-operands.c: Likewise.
6794 * tree-tailcall.c: Likewise.
6795 * tree-vectorizer.c: Likewise.
6796 * tree-vrp.c: Likewise.
6799 2005-07-28 Jeff Law <law@redhat.com>
6801 * tree-vrp.c (test_for_singularity): Extracted from ...
6802 (simplify_cond_using_ranges): Attempt to simplify a relational
6803 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6805 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6807 PR tree-optimization/22506
6808 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6809 phis whose argument is constant.
6811 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6813 PR rtl-optimization/18992
6814 Back out this patch:
6815 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6816 PR optimization/12142
6817 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6818 uses of the register in the SET_SRC. Remove unnecessary argument.
6820 Replace it with this:
6821 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6822 if flag_non_call_exceptions is set and the insn may trap, pass
6823 pc_rtx as dest for recursion.
6824 In SET_SRC part of SET case, if dest is already set, pass it down
6827 2005-07-28 Jan Hubicka <jh@suse.cz>
6829 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6830 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6831 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6833 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6834 profile when available.
6836 2005-07-28 Jan Beulich <jbeulich@novell.com>
6838 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6839 (ia64_print_operand): Describe and handle 'X'.
6840 (ia64_register_move_cost): Also handle FP_REGS.
6841 (ia64_preferred_reload_class): Likewise.
6842 (ia64_secondary_reload_class): Likewise.
6843 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6844 it. Also check for ITANIUM_CLASS_FLDP.
6845 * config/ia64/ia64.h (FP_REGNO_P): New.
6846 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6847 (reg_class): Add FP_REGS.
6848 (REG_CLASS_NAMES): Adjust for it.
6849 (REG_CLASS_CONTENTS): Likewise.
6850 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6851 (REG_CLASS_FROM_LETTER): Handle 'x'.
6852 (CLASS_MAX_NREGS): Handle FP_REGS.
6853 (MEMORY_MOVE_COST): Likewise.
6854 * config/ia64/ia64.md (itanium_class): Add fldp.
6855 (type): Handle fldp.
6856 (movti_internal): More allowable operand combinations. Use ldfp8 when
6857 splitting unnecessary. Remove predicable attribute. Adjust
6858 itanium_class attribute.
6859 (smuldi3_highpart): Remove outdated comment.
6860 (mulditi3, umulditi3, rotlti3): New expanders.
6861 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6862 (absti2): Disabled new insn for future reference.
6863 Respective new splitters.
6864 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6865 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6866 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6868 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6870 PR rtl-optimization/23047
6871 * simplify-rtx.c (simplify_const_relational_operation): Respect
6872 flag_wrapv for comparisons with ABS.
6874 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6876 PR tree-optimization/22493
6877 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6878 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6880 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6882 * config/frv/frv.opt (moptimize-membar): New.
6884 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6886 * config/frv/frv.h: Remove machine_function definition.
6888 * config/frv/frv.c (struct frv_io): New.
6889 (struct machine_function): Moved from frv.h. Add has_membar_p.
6890 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6891 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6892 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6893 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6894 (frv_reorg): Call frv_optimize_membar when appropriate.
6895 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6896 (frv_expand_builtin): Adjust calls accordingly.
6897 (frv_io_address_cookie): New function.
6898 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6899 load or store rather than a special insn. Add ccnstant address and
6900 io-type operands to the membar.
6901 (frv_ifcvt_modify_tests): Unsign regno.
6902 (frv_ifcvt_modify_tests): Same.
6904 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6905 UNSPEC_OPTIONAL_MEMBAR constant.
6906 (builtin_read_<mode>): Delete.
6907 (builtin_write_<mode>): Delete.
6908 ("optional_membar_<mode>"): Add operand.
6910 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6911 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6912 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6913 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6914 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6915 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6916 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6917 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6918 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6920 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6922 * df.c (df_uses_record): Handle SCRATCH.
6924 2005-07-28 Steven Bosscher <stevenb@suse.de>
6927 * passes.c (rest_of_decl_compilation): If decl is a type and
6928 we have encountered errors, don't emit debug information.
6930 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6932 * params.def: Fixed comment.
6934 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6937 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6938 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6939 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6941 2005-07-27 Steven Bosscher <stevenb@suse.de>
6944 * varasm.c (assemble_start_function): Don't do anything that may
6945 require a CFG if the current function is a thunk.
6947 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6949 * doc/install.texi (Prerequisites): Mention that perl is needed
6950 to do export control in libstdc++ targetting Darwin.
6952 2005-07-27 Steven Bosscher <stevenb@suse.de>
6954 PR rtl-optimization/17808
6955 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6956 (sched_insns_conditions_mutex_p): Split out from...
6957 (add_dependence): ...here. But don't call it from here.
6958 (add_dependence_list): Check sched_insns_conditions_mutex_p
6959 before calling add_dependence.
6960 (add_dependence_list_and_free): Likewise.
6961 (fixup_sched_groups): Likewise.
6962 (sched_analyze_1): Likewise.
6963 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6964 (sched_analyze): Likewise.
6965 (sched_analyze_insn): Likewise.
6966 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6967 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6968 dependencies on all COND_EXEC insns to jumps ending basic blocks
6969 when doing intrablock scheduling.
6970 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6972 2005-07-27 Jeff Law <law@redhat.com>
6974 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6975 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6976 equivalency sets, correctly handle the case were vr0 has an
6977 equivalency set, but vr1 does not.
6979 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6981 PR tree-optimization/23073
6982 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6983 vect_print_dump_info before fprintf.
6985 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6987 PR tree-optimize/22348
6988 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6989 Fold the partial computation.
6991 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6993 PR tree-optimization/22325
6994 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6996 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6998 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6999 (force_var_cost): ... this function.
7000 (compute_phi_arg_on_exit): Export.
7002 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7004 PR tree-optimization/20773
7005 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7008 2005-07-27 Richard Guenther <rguenther@suse.de>
7010 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7011 Avoid pushing again if current struct contains only
7012 fields we decomposed.
7014 2005-07-27 Jan Hubicka <jh@suse.cz>
7016 PR tree-optimization/22574
7017 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7020 * tree-tailcall.c (decrease_profile): New function.
7021 (eliminate_tail_call): Use it.
7023 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7024 visibility flags correctly in whole program mode.
7026 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7028 PR rtl-optimization/22472
7029 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7031 2005-07-26 Steven Bosscher <stevenb@suse.de>
7033 PR tree-optimization/22504
7034 * tree-complex.c (expand_complex_addition): Use 'code' instead
7035 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7037 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7039 * config.gcc (cpu_type): Add frv case.
7040 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7041 (supported_defaults): Add fr550 case.
7043 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7046 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7047 whether a pointer of type T * may point to objects of type T *.
7049 2005-07-26 DJ Delorie <dj@redhat.com>
7051 * configure: Regenerate.
7053 2005-07-26 Dale Johannesen <dalej@apple.com>
7055 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7057 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7059 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7060 Clarify use of "build" in name.
7062 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7064 * doc/extend.texi (Raw read/write Functions): New section.
7065 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7066 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7067 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7068 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7069 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7070 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7071 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7072 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7073 * config/frv/frv.c: Add bdesc_loads global.
7074 Add bdesc_stores global.
7075 (frv_init_builtins): Add support for __builtin_{read/write}*.
7076 (frv_volatile_memref): New.
7077 (frv_expand_load_builtin): New.
7078 (frv_expand_store_builtin): New.
7079 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7080 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7081 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7082 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7083 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7084 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7085 (builtin_read_<mode>): New.
7086 (builtin_write_<mode>): New.
7087 (builtin_write64): New.
7088 (optional_membar_<mode>): New.
7090 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7092 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7093 (rather than units) against HOST_BITS_PER_WIDE_INT.
7095 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7097 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7098 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7099 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7100 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7103 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7104 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7105 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7107 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7109 2005-07-26 Richard Guenther <rguenther@suse.de>
7111 PR tree-optimization/22486
7112 * fold-const.c (fold_unary): Fold away useless component
7113 references of the form (T *)&T.x, if the address
7116 2005-07-25 James E Wilson <wilson@specifixinc.com>
7118 * dwarf2out.c (add_call_src_coords_attributes): New.
7119 (gen_inlined_subroutine_die): Call it.
7120 (maybe_emit_file, init_file_table): Add comments.
7121 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7123 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7124 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7125 * tree.h (BLOCK_SOURCE_LOCATION): New.
7126 (struct tree_block): New field locus.
7128 2005-07-26 Andreas Schwab <schwab@suse.de>
7130 PR rtl-optimization/23043
7131 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7132 when allocating a struct unoccr.
7134 2005-07-25 Richard Henderson <rth@redhat.com>
7137 * tree-complex.c (gate_no_optimization): True if errors.
7138 * Makefile.in (tree-complex.o): Update dependencies.
7140 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7142 * config/frv/predicates.md (integer_register_operand): Use
7145 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7148 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7150 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7152 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7154 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7155 types when flag_unsafe_math_optimizations is true.
7157 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7159 * gcc.c (option_map): Add --sysroot.
7160 (process_command): Handle --sysroot.
7161 (display_help): Document it.
7162 * doc/cppopts.tex (-isysroot): Document.
7163 * doc/invoke.texi (--sysroot): Document.
7164 * doc/install.texi (--with-build-sysroot): Document.
7166 * Makefile.in (inhibit_libc): New variable.
7167 (INHIBIT_LIBC_CFLAGS): Likewise.
7168 (LIBGCC2_CFLAGS): Include
7169 $(INHIBIT_LIBC_CFLAGS).
7170 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7171 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7172 ($(T)crtend.o): Likewise.
7173 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7174 ($(T)crtendS.o): Likewise.
7175 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7176 ($(T)crtendT.o): Likewise.
7177 (stmp-fixinc): Do not complain about missing headers if
7179 * configure.ac (inhibit_libc): Set it to true/false.
7180 (--with-build-sysroot): New option. Use it to set
7182 * configure: Regenerated.
7184 2005-07-25 Manfred Hollstein <mh@suse.com>
7186 * calls.c (store_one_arg): Fix unsigned comparison warning.
7188 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7191 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7192 (ggc_print_statistics): Initialize variable before use.
7194 2005-07-25 Richard Guenther <rguenther@suse.de>
7196 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7197 calling with a PHI_NODE argument.
7199 * tree-flow-inline.h (overlap_subvar): Protect against
7202 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7204 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7205 * configure: Regenerate.
7207 2005-07-25 Ira Rosen <irar@il.ibm.com>
7209 * expr.c (highest_pow2_factor): Make extern.
7210 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7211 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7212 record_array_differ_p, array_ptr_differ_p): Likewise.
7213 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7214 additional cases. Call the above functions.
7215 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7216 base_object_differ_p when there are two base objects. Otherwise, compare
7217 base address and offset. Call may_alias_p.
7218 (dump_data_reference): Use a correct field name.
7219 (analyze_array): Make static. Initialize new data-ref fields.
7220 (analyze_indirect_ref): New function.
7221 (init_data_ref): Initialize new data-ref fields.
7222 (strip_conversion): Moved from tree-vect-analyze.c.
7223 (analyze_offset_expr, get_ptr_offset, address_analysis,
7224 object_analysis): Likewise.
7225 (analyze_offset): New function.
7226 (create_data_ref): Likewise.
7227 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7228 dimensions for ARRAY_REFs only.
7229 (build_classic_dist_vector): Make static.
7230 (access_functions_are_affine_or_constant_p): Call macro to get the
7231 address of access functions.
7232 (compute_all_dependences): Add new parameter
7233 compute_self_and_read_read_dependences. Compute self and read-read
7234 dependences if it is true.
7235 (find_data_references_in_loop): Call create_data_ref. Initialize new
7237 (compute_data_dependences_for_loop): Add new parameter
7238 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7239 compute nb_loops. Call compute_all_dependences,
7240 build_classic_dist_vector and build_classic_dir_vector with correct
7242 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7243 with correct parameters. Compare dimensions for ARRAY_REFs only.
7244 (free_data_refs): Call macro to free access functions.
7245 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7246 fields from stmt_vinfo.
7247 (struct base_object_info): New structure.
7248 (struct data_reference): Move fields to base_object_info. Add fields
7249 first_location and object_info for above structures. Move fields from
7250 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7251 aligned_to. Add macros to access the new fields.
7252 Update functions declarations.
7253 * tree-flow.h (is_aliased_with): Declare.
7254 * tree-loop-linear.c (linear_transform_loops): Call
7255 compute_data_dependences_for_loop with correct parameters.
7256 * tree-ssa-alias.c (is_aliased_with): New function.
7257 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7258 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7259 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7260 vect_base_addr_differ_p, compute_subscript_distance and
7261 build_classic_dist_vector. Add printings. Check absolute value of
7263 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7265 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7266 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7267 to bytes. Add printing.
7268 (vect_compute_data_refs_alignment): Go through loads and stores in one
7270 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7271 vect_analyze_data_ref_access): Likewise.
7272 (vect_analyze_pointer_ref_access): Remove.
7273 (vect_address_analysis, vect_object_analysis): Likewise.
7274 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7275 and analyze data-refs in the loop.
7276 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7277 fields of data-ref instead of stmt. Add init to the offset from the
7279 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7280 (vect_update_init_of_dr): Likewise.
7281 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7282 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7284 (new_loop_vec_info): Initialize new fields.
7285 (destroy_loop_vec_info): Free new fields.
7286 (vect_strip_conversion): Remove.
7287 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7288 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7289 datarefs. Add new field ddrs.
7290 Add macros for the new fields access.
7291 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7292 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7293 Remove their macros.
7294 * tree.h (highest_pow2_factor): Declare.
7296 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7298 * calls.c (store_one_arg): Check for sibling call MEM arguments
7299 from already clobbered incoming argument area.
7301 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7303 * c-common.c (check_missing_format_attribute): New.
7304 * c-common.h (check_missing_format_attribute): Likewise.
7305 * c-typeck.c (convert_for_assignment): Use it.
7307 2005-07-24 Andreas Schwab <schwab@suse.de>
7309 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7310 register use a word move. Correct operand of ext.w in 68000 code.
7312 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7314 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7315 variables as declarations, rather than definitions.
7317 2005-07-24 Ira Rosen <irar@il.ibm.com>
7319 PR tree-optimization/22526
7320 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7323 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7325 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7326 that C99 reserve for future use. Use it to define clog10,
7327 clog10f and clog10l.
7329 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7331 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7332 * configure.ac: Check for -Wmissing-format-attribute.
7334 * configure: Regenerate.
7336 2005-07-23 Richard Henderson <rth@redhat.com>
7338 PR tree-optimization/22623
7339 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7341 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7344 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7346 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7348 * Makefile.in (C_TREE_H): Update dependencies.
7349 * c-tree.h: Include toplev.h.
7350 * diagnostic.h (diagnostic_set_info): Add format attribute.
7351 * rtl-error.c (diagnostic_for_asm): Likewise.
7353 2005-07-23 Chao-ying Fu <fu@mips.com>
7355 * config/mips/mips-dsp.md: New file.
7356 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7357 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7359 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7360 MIPS_BUILTIN_BPOSGE32.
7361 (mips_expand_builtin_direct): Add one parameter to indicate that
7362 builtin functions need to return a value.
7363 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7365 (mips_regno_to_class): Add classes for 12 new DSP registers.
7366 (mips_subword): Change to check four HI registers.
7367 (mips_output_move): Output move to and from 6 new DSP accumulators.
7368 (override_options): Make sure -mdsp and -mips16 are not used together.
7369 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7371 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7373 (print_operand): Add 'q' for printing DSP accumulators.
7374 (mips_cannot_change_mode_class): Check ACC_REGS.
7375 (mips_secondary_reload_class): Check ACC_REGS.
7376 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7377 (mips_register_move_cost): Check ACC_REGS.
7378 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7379 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7380 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7381 (dsp_bdesc): New array.
7382 (bdesc_arrays): Add DSP builtin function table.
7383 (mips_prepare_builtin_arg): Check predicate again after
7385 (mips_expand_builtin): Add one more parameter to
7386 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7387 MIPS_BUILTIN_BPOSGE32.
7388 (mips_init_builtins): Initialize new function types.
7389 (mips_expand_builtin_direct): Check if builtin functions need to
7390 return a value and pass operands properly.
7391 (mips_expand_builtin_bposge): New function.
7392 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7393 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7394 (FIRST_PSEUDO_REGISTER): Increase to 188.
7395 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7396 Update for 12 new DSP registers.
7397 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7398 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7399 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7400 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7401 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7402 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7403 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7404 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7405 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7406 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7407 (REGISTER_NAMES): Add names for 12 new DSP registers.
7408 * config/mips/mips.md: Include mips-dsp.md.
7409 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7410 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7411 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7412 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7413 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7414 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7415 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7416 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7417 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7418 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7419 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7420 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7421 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7422 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7423 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7424 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7425 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7426 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7427 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7428 (UNSPEC_RDDSP): New constants.
7429 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7430 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7432 * config/mips/mips.opt (-mdsp): New option.
7433 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7434 (reg_imm10_operand): New predicates.
7435 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7436 * doc/invoke.texi (-mdsp): Document new option.
7438 2005-07-22 DJ Delorie <dj@redhat.com>
7440 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7442 * tree-inline.c (inlinable_function_p): Likewise.
7444 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7447 * toplev.c (check_global_declarations): Do not mark undefined
7448 variables as DECL_IGNORED_P.
7449 * varasm.c (first_global_object_name): GTY it.
7450 (weak_global_object_name): Likewise.
7451 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7452 a string to go into {weak,first}_global_object_name.
7454 2005-07-22 DJ Delorie <dj@redhat.com>
7456 * c-format.c (check_function_format): Change warning control
7457 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7459 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7461 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7462 &PTR->FLD a dereference of PTR.
7463 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7464 a potential dereference of PTR.
7466 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7468 PR rtl-optimization/20370
7469 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7470 call allocate_reg_info if necessary.
7472 PR rtl-optimization/21848
7473 * calls.c (emit_library_call_value_1): For const functions, add
7474 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7476 PR rtl-optimization/22445
7477 * cselib.c (target.h): Include.
7478 (rtx_equal_for_cselib_p): Allow commutative matches.
7479 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7480 Remove MODE parameter. Changed all callers.
7482 PR rtl-optimization/22258
7483 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7485 (try_combine): Use likely_spilled_retval_p.
7487 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7489 * config.gcc: Add crx-elf support.
7491 * doc/contrib.texi: Mention crx.
7492 * doc/extend.texi: Document crx extensions.
7493 * doc/install.texi: Document crx install.
7494 * doc/invoke.texi: Document crx options.
7495 * doc/md.texi: Document crx constraints.
7497 * config/crx/crx-protos.h: New file.
7498 * config/crx/crx.c: New file.
7499 * config/crx/crx.h: New file.
7500 * config/crx/crx.md: New file.
7501 * config/crx/crx.opt: New file.
7502 * config/crx/t-crx: New file.
7504 2005-07-22 Manfred Hollstein <mh@suse.com>
7506 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7508 (int_add_graph_edge): Likewise.
7509 (collapse_nodes): Likewise.
7510 (process_unification_queue): Likewise.
7512 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7513 Laurent GUERBY <laurent@guerby.net>
7515 PR tree-optimization/22336
7516 * function.c (record_block_change): Check for
7517 cfun->ib_boundaries_block.
7519 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7521 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7522 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7524 2005-07-21 DJ Delorie <dj@redhat.com>
7526 * toplev.c (warn_deprecated_use): Add warning control to warning
7528 * c-typeck.c (parser_build_binary_op): Likewise.
7529 (c_finish_if_stmt): Likewise.
7530 * c-common.c (check_function_sentinel): Likewise.
7531 (check_nonnull_arg): Likewise.
7533 2005-07-21 Richard Henderson <rth@redhat.com>
7536 * tree-complex.c (complex_ssa_name_components): New.
7537 (cvc_lookup): Allow entry not found.
7538 (create_components): Remove.
7539 (create_one_component_var, get_component_var): New.
7540 (get_component_ssa_name, set_component_ssa_name): New.
7541 (extract_component): Use get_component_ssa_name.
7542 (update_complex_components): Use set_component_ssa_name.
7543 (update_complex_components_on_edge): Likewise.
7544 (update_phi_components): Create new PHI nodes directly, instead
7545 of adding insns to edges.
7546 (tree_lower_complex): Allocate and free complex_variable_components
7547 and complex_ssa_name_components here.
7549 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7551 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7552 revert to returning false.
7554 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7557 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7559 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7562 * config/i386/i386.md (cmpxf): Change operand constraints
7563 to "nonmemory_operand".
7565 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7567 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7569 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7572 * fold-const.c (fold_build1): Add checksum for the operands.
7573 (fold_build2): Likewise.
7574 (fold_build3): Likewise.
7576 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7579 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7581 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7583 * common.opt (-fforward-propagate): Committed by mistake,
7586 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7588 * reg-stack.c: Fix comment typo(s).
7589 * tree-ssa-operands.c: Likewise.
7590 * tree-vectorizer: Likewise.
7592 2005-07-21 Nick Clifton <nickc@redhat.com>
7594 * config/sh/symbian.c: Replace C++ style line comments with C
7595 style line comments.
7596 (symbian_add_attribute): Do not use a ? operator on the LHS of
7598 (sh_symbian_handle_dll_attribute): Change the type of the
7599 method vector to "VEC(tree,gc)*" and use vector accessor
7600 macros to walk over the elements.
7601 (symbian_export_vtable_and_rtti_p): Likewise.
7602 (symbian_class_needs_attribute_p): Likewise.
7604 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7607 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7608 initialize targetm.resolve_overloaded_builtin here.
7609 (altivec_expand_overloaded_builtin): Make it non-static.
7610 * config/rs6000/rs6000-protos.h
7611 (altivec_expand_overloaded_builtin): New prototype.
7612 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7613 targetm.resolve_overloaded_builtin here.
7614 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7616 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7617 Zdenek Dvorak <dvorakz@suse.cz>
7619 PR tree-optimization/19210
7620 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7622 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7623 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7624 rely on unproven assumptions.
7625 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7626 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7627 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7628 to number_of_iterations_exit.
7629 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7630 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7631 * tree-ssa-loop-niter.c (find_loop_niter,
7632 estimate_numbers_of_iterations_loop): Likewise.
7633 (number_of_iterations_exit): Honor the new options.
7634 * doc/invoke.texi (Wunsafe-loop-optimizations,
7635 funsafe-loop-optimizations): Document them.
7637 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7639 PR rtl-optimization/22167
7640 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7642 2005-07-20 Adam Nemet <anemet@lnxw.com>
7644 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7645 __do_global_dtors_aux longcall.
7647 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7649 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7650 (old_special_pred_table): Don't reference
7651 SPECIAL_MODE_PREDICATES.
7652 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7653 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7654 * config/sh/predicates.h: Don't mention
7655 SPECIAL_MODE_PREDICATES.
7656 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7659 2005-07-20 DJ Delorie <dj@redhat.com>
7661 * config.gcc: Add m32c-elf support.
7663 * doc/contrib.texi: Mention m32c.
7664 * doc/extend.texi: Document m32c extensions.
7665 * doc/install.texi: Mention m32c.
7666 * doc/invoke.texi: Document m32c options.
7667 * doc/md.texi: Document m32c constraints.
7669 * config/m32c/addsub.md: New file.
7670 * config/m32c/bitops.md: New file.
7671 * config/m32c/cond.md: New file.
7672 * config/m32c/jump.md: New file.
7673 * config/m32c/m32c-lib1.S: New file.
7674 * config/m32c/m32c-lib2.c: New file.
7675 * config/m32c/m32c-modes.def: New file.
7676 * config/m32c/m32c-pragma.c: New file.
7677 * config/m32c/m32c-protos.h: New file.
7678 * config/m32c/m32c.abi: New file.
7679 * config/m32c/m32c.c: New file.
7680 * config/m32c/m32c.h: New file.
7681 * config/m32c/m32c.md: New file.
7682 * config/m32c/m32c.opt: New file.
7683 * config/m32c/minmax.md: New file.
7684 * config/m32c/mov.md: New file.
7685 * config/m32c/muldiv.md: New file.
7686 * config/m32c/predicates.md: New file.
7687 * config/m32c/prologue.md: New file.
7688 * config/m32c/shift.md: New file.
7689 * config/m32c/t-m32c: New file.
7691 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7693 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7694 (stack_protect_set, stack_protect_test): New expanders.
7695 (stack_protect_set_si, stack_protect_set_si_media,
7696 stack_protect_set_di_media, stack_protect_test_si,
7697 stack_protect_test_si_media, stack_protect_test_di_media):
7700 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7702 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7704 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7706 * tree.h (tree_expr_nonzero_p): Export.
7707 * fold-const.c (tree_expr_nonzero_p): Likewise.
7708 Return true for CALL_EXPRs that are alloca calls.
7709 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7711 * tree-flow.h (expr_computes_nonzero): Remove.
7712 * tree-vrp.c (expr_computes_nonzero): Remove.
7713 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7714 (extract_range_from_unary_expr): Likewise.
7715 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7716 tree_expr_nonzero_p.
7718 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7720 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7721 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7722 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7723 All callers changed.
7724 (frame_related_constant_load): New arg "related" which controls
7725 setting of RTX_FRAME_RELATED_P. All callers changed.
7726 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7727 (bfin_expand_prologue): Add stack limit checking.
7728 * config/bfin/bfin.md (trapifcc): New pattern.
7730 * config/bfin/bfin.c: Include "langhooks.h".
7731 (def_builtin): Go through lang_hooks to call builtin_function.
7733 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7734 * config/bfin/predicates.md (symbol_ref_operand): New.
7735 (call_insn_operand): Delete. All callers changed to use
7736 register_no_elim_operand.
7737 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7739 (function_arg): Use it to generate the call's operand 2.
7740 (bfin_longcall_p): New function.
7741 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7742 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7743 determine if the address needs to be in a REG.
7744 (bfin_handle_longcall_attribute): New function.
7745 (bfin_attribute_table): Add "longcall" and "shortcall".
7746 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7747 (CUMULATIVE_ARGS): New member call_cookie.
7748 (PREDICATE_CODES): Add symbol_ref_operand.
7749 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7750 extra USE to the pattern.
7751 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7752 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7753 sibcall_value_insn; now the new patterns handle direct calls and the
7754 old ones indirect calls.
7755 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7757 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7759 * doc/trouble.texi: Update section on handling of empty loops.
7761 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7763 * config.gcc: Remove support for sparc-*-openbsd*,
7764 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7766 * config.host: Remove support for i860-*-sysv4* as a host.
7767 * config/i860/*, config/ip2k/*, config/ns32k/*,
7768 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7769 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7770 mention obsolete ports.
7772 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7774 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7776 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7777 of frame_pointer_rtx.
7778 (sh_expand_epilogue): Likewise.
7779 (sh_set_return_address): Likewise.
7780 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7781 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7782 offsets from FRAME_POINTER_REGNUM.
7783 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7784 (sh_register_names): Add initializer for sfp.
7785 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7786 (VALID_REGISTER_P): Likewise.
7787 (FIRST_PSEUDO_REGISTER): Update.
7788 (DWARF_FRAME_REGISTERS): Define.
7789 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7790 (HARD_FRAME_POINTER_REGNUM): Define.
7791 (FRAME_POINTER_REGNUM): Redefine.
7792 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7793 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7794 from FRAME_POINTER_REGNUM.
7795 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7796 FRAME_POINTER_REGNUM.
7797 (REG_CLASS_CONTENTS): Add sfp.
7798 (REG_ALLOC_ORDER): Likewise.
7799 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7800 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7801 of frame_pointer_rtx.
7802 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7804 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7806 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7807 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7808 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7810 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7813 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7815 Make CONSTRUCTOR use VEC to store initializers.
7816 * c-common.c (complete_array_type): Update to cope with VEC in
7818 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7819 (pp_c_constructor_elts): New function.
7820 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7821 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7822 struct constructor_stack, struct initializer_stack,
7823 constructor_elements, push_init_level, pop_init_level,
7824 add_pending_init, find_init_member, output_init_element): Update to
7825 cope with VEC in CONSTRUCTOR_ELTS.
7826 * coverage.c (build_fn_info_value, build_ctr_info_value,
7827 build_gcov_info): Likewise.
7828 * expr.c (categorize_ctor_elements_1, store_constructor,
7829 expand_expr_real_1): Likewise.
7830 * fold-const.c (fold_ternary): Likewise.
7831 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7832 gimplify_init_constructor, gimplify_expr): Likewise.
7833 * tree-dump.c (dequeue_and_dump): Likewise.
7834 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7836 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7838 * tree-sra.c (generate_element_init_1): Likewise.
7839 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7840 * tree-ssa-operands.c (get_expr_operands): Likewise.
7841 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7842 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7843 (get_initial_def_for_reduction): Likewise.
7844 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7845 value handle in annotations.
7846 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7847 tree_node_structure): Add support for constr_kind.
7848 (build_vector_from_ctor, build_constructor_single,
7849 build_constructor_from_list): New functions.
7850 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7851 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7852 Update to cope with VEC in CONSTRUCTOR_ELTS.
7853 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7854 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7855 CONSTRUCTOR_APPEND_ELT): New macros.
7856 (struct constructor_elt, struct tree_constructor): New data types.
7857 (union tree_node): Add tree_constructor field.
7858 * treestruct.def: Define TS_CONSTRUCTOR.
7859 * varasm.c (const_hash_1, compare_constant, copy_constant,
7860 compute_reloc_for_constant, output_addressed_constants,
7861 initializer_constant_valid_p, output_constant,
7862 array_size_for_constructor, output_constructor): Update to cope with
7863 VEC in CONSTRUCTOR_ELTS.
7864 * vec.h (VEC_empty, VEC_copy): New macros.
7866 2005-07-19 Devang Patel <dpatel@apple.com>
7868 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7870 2005-07-19 Richard Henderson <rth@redhat.com>
7873 * gimplify.c (gimplify_expr): Use main variant type for the temp
7874 destination for a discarded volatile read.
7875 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7876 casts between non-void types that change volatility.
7878 2005-07-15 DJ Delorie <dj@redhat.com>
7880 * toplev.h: Add comment about the first parameter for warning().
7881 * errors.h: Likewise.
7883 * c.opt (Wpragmas): New.
7884 * doc/invoke.texi: Document it.
7886 * function.c (do_warn_unused_parameter): Add warning control to
7888 * c-decl.c (warn_if_shadowing): Likewise.
7889 * c-lex.c (cb_def_pragma): Likewise.
7890 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7891 (pop_alignment): Likewise.
7892 (handle_pragma_pack): Likewise.
7893 (apply_pragma_weak): Likewise.
7894 (handle_pragma_weak): Likewise.
7895 (handle_pragma_redefine_extname): Likewise.
7896 (add_to_renaming_pragma_list): Likewise.
7897 (handle_pragma_extern_prefix): Likewise.
7898 (maybe_apply_renaming_pragma): Likewise.
7899 (handle_pragma_visibility): Likewise.
7901 * config/c4x/c4x-c.c (BAD): Likewise.
7902 (c4x_parse_pragma): Likewise.
7903 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7904 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7905 (rs6000_pragma_longcall): Likewise.
7906 * config/v850/v850-c.c (pop_data_area): Likewise.
7907 (ghs_pragma_section): Likewise.
7908 (ghs_pragma_section): Likewise.
7909 (ghs_pragma_interrupt): Likewise.
7910 (ghs_pragma_starttda): Likewise.
7911 (ghs_pragma_startsda): Likewise.
7912 (ghs_pragma_startzda): Likewise.
7913 (ghs_pragma_endtda): Likewise.
7914 (ghs_pragma_endsda): Likewise.
7915 (ghs_pragma_endzda): Likewise.
7917 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7918 Kenneth Zadeck <zadeck@naturalbridge.com>
7920 * Makefile.in: Removed tree-promote-statics.c
7921 * tree-promote-statics.c: Removed.
7922 * common.opt: Removed flag-promote-statics.
7924 * passes.c: Removed tree-promote-statics pass.
7925 * tree-pass.h: Ditto.
7926 * timevar.def: Removed TV_PROMOTE_STATICS.
7929 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7931 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7933 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7935 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7938 * c-common.c (check_function_arguments): Call
7939 'check_function_format' if either -Wformat or
7940 -Wmissing-format-attribute are specified.
7941 * c-format.c (check_function_format): Check -Wformat before
7942 calling 'check_format_info'.
7943 * c-opts.c (c_common_post_options): Don't warn for
7944 -Wmissing-format-attribute without -Wformat.
7945 * c-typeck.c (convert_for_assignment): Detect additional cases for
7946 -Wmissing-format-attribute.
7947 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7950 2005-07-19 Richard Guenther <rguenther@suse.de>
7952 * config/i386/i386.md (lrint<mode>2): Use temporary
7953 instead of clobbering non-existent memory.
7955 2005-07-19 Nick Clifton <nickc@redhat.com>
7957 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7958 statement to avoid displaying ASCII control characters.
7960 2005-07-19 Ben Elliston <bje@au.ibm.com>
7962 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7963 * cfganal.c (find_edge_index): Ditto.
7964 * combine.c (combine_instructions): Ditto.
7965 * ddg.c (create_scc): Ditto.
7966 (find_successors): Ditto.
7967 (find_predecessors): Ditto.
7968 (find_nodes_on_paths): Ditto.
7969 (longest_simple_path): Ditto.
7970 * flow.c (update_life_info): Ditto.
7971 (count_or_remove_death_notes): Ditto.
7972 (clear_log_links): Ditto.
7973 * modulo-sched.c (generate_reg_moves): Ditto.
7974 (find_max_asap): Ditto.
7975 (find_max_hv_min_mob): Ditto.
7976 (find_max_dv_min_mob): Ditto.
7977 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7978 * sched-rgn.c (extract_edgelst): Ditto.
7979 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7980 (dump_update_ssa): Ditto.
7981 (ssa_names_to_replace) Ditto.
7982 (switch_virtuals_to_full_rewrite): Ditto.
7983 (update_ssa): Ditto.
7984 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7986 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7988 Fix PR tree-optimization/22483
7990 * tree-complex.c (create_components): Use
7991 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7992 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7993 * tree-flow.h (safe_referenced_var_iterator): New structure.
7994 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7995 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7996 safe_referenced_var iterator.
7997 (add_type_alias): Ditto.
7999 2005-07-19 Steven Bosscher <stevenb@suse.de>
8001 * loop-init.c (rest_of_handle_loop2): Remove.
8002 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8003 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8004 (pass_rtl_loop_init, pass_rtl_loop_done,
8005 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8006 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8007 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8008 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8009 pass_tree_loop_done, and pass_tree_unswitch.
8010 (gate_loop): Rename to gate_tree_loop.
8011 * passes.c (init_optimization_passes): Update for renamed tree
8012 loop passes. Add the new loop2 passes as subpasses of loop2.
8013 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8014 Update for the renamed tree loop passes.
8016 2005-07-18 Ian Lance Taylor <ian@airs.com>
8019 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8020 blocks when optimizing.
8022 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8024 * common.opt (frename-registers): Initialize to 2.
8026 (fgcse-after-reload): Ditto.
8027 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8028 (process_options): Only change flag_web, flag_rename_registers,
8029 and flag_rerun_cse_after_loop if not explicitly set by user.
8031 2005-07-18 Jan Beulich <jbeulich@novell.com>
8033 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8034 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8035 in 64-bit mode the same as DImode in 32-bit mode.
8036 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8037 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8038 mode. Add new mode parameter.
8039 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8040 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8041 x86_64_shift_adj): New expanders.
8042 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8043 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8045 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8046 DImode shift splitters.
8047 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8048 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8051 2005-07-18 Jan Beulich <jbeulich@novell.com>
8053 * i386.md (movdi_extzv_1): New.
8054 (zero_extendhidi2): Combine alternatives and never force use of
8056 (zero_extendqidi2): Likewise. Don't restrict input selection.
8058 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8060 Fix PR tree-optimization/22531
8061 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8064 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8066 * tree-promote-statics.c (pass_promote_statics): Change dump file
8069 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8071 * tree-optimize.c (init_tree_optimization_passes): Add
8072 pass_eliminate_useless_stores pass.
8073 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8074 * tree-ssa-pre.c (is_copy_stmt): New function.
8075 (follow_copies_till_vuse): Ditto.
8076 (do_eustores): Ditto.
8077 (gate_eustores): Ditto.
8079 2005-07-16 Richard Henderson <rth@redhat.com>
8081 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8083 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8084 Kenneth Zadeck <zadeck@naturalbridge.com>
8086 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8087 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8088 ipa-type-escape.h, tree-promote-statics.c
8089 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8090 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8091 tree-promote-statics.c: new files.
8092 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8093 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8094 int nonlocal_set_p, mark_constant_function): Deleted.
8095 (rest_of_handle_cfg): Removed call to mark_constant_function.
8096 (nonoverlapping_component_refs_p): Added calls to support
8097 type based aliasing.
8098 * tree-ssa-alias.c (may_alias_p,
8099 compute_flow_insensitive_aliasing): Ditto.
8100 * calls.c (flags_from_decl_or_type): Removed reference to
8102 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8103 too many arguments. This is necessary for Spec 2000.
8104 * cgraph.h (const_function, pure_function): Removed.
8105 * common.opt: Added "fipa-pure-const", "fipa-reference",
8106 "fipa-type-escape", and "ftree-promote-static".
8108 * passes.c: Added ipa and tree-promote-statics passes.
8109 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8110 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8111 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8112 * tree-flow.h: Added exposed sra calls and addition of
8113 reference_vars_info field for FUNCTION_DECLS.
8114 * tree-pass.h: Added passes.
8115 * tree-sra.c: (sra_init_cache): New function.
8116 (sra_insert_before, sra_insert_after) Made public.
8117 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8119 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8120 aliasing. (may_alias_p): Added code to use type escape analysis to
8122 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8123 code to prune clobbers of static variables based on information
8124 produced in ipa-reference pass. Changed call clobbering so that
8125 statics are not marked as clobbered if the call does not clobber
8128 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8130 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8133 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8135 * doc/install.texi (*-*-solaris2*): Document recommended version
8136 of GNU binutils and mention GNU linker problem on Solaris 10.
8138 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8141 * c-decl.c (c_build_bitfield_integer_type): New function.
8142 (finish_struct): Call it.
8143 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8145 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8147 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8150 2005-07-16 Jan Hubicka <jh@suse.cz>
8152 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8153 (scale_bbs_frequencies_int): Watch roundoff errors.
8154 * predict.c (return_prediction): Initialize return_stmt.
8156 2005-07-16 Jan Hubicka <jh@suse.cz>
8158 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8159 after RTL profiling.
8161 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8164 * fold-const.c (build_range_check): Convert high/low to etype
8165 if we are only comparing against exp.
8167 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8169 Fix PR tree-optimization/22376
8170 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8172 (need_to_solve): New function.
8173 (compute_points_to_sets): Use it.
8175 2005-07-15 Jan Hubicka <jh@suse.cz>
8177 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8178 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8180 2005-07-15 Richard Guenther <rguenther@suse.de>
8182 * c-common.c (handle_flatten_attribute): New function.
8183 Add flatten function attribute.
8184 * doc/extend.texi: Document flatten function attribute.
8185 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8186 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8188 (cgraph_decide_inlining): Handle functions with flatten
8191 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8193 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8194 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8195 UNSPEC_XCHG, UNSPEC_AND): New.
8196 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8197 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8198 * config/rs6000/sync.md (FETCHOP): New code macro.
8199 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8201 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8202 (sync_compare_and_swap<mode>): Same.
8203 (sync_lock_test_and_set<mode>): Same.
8204 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8205 for QImode and HImode, and not PPC405.
8206 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8207 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8208 (sync_<fetchop>{si,di}_internal): New.
8209 (sync_nand{si,di}_internal): New.
8210 (sync_old_<fetchop>{si,di}_internal): New.
8211 (sync_old_nand{si,di}_internal): New
8212 (sync_new_<fetchop>{si,di}_internal): New.
8213 (sync_new_nand{si,di}_internal): New.
8214 (atomic_and{si,di}): New.
8215 (sync_new_nand{si,di}_internal): New.
8216 (atomic_and{si,di}): New.
8217 (sync_add<mode>_internal): Delete.
8218 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8219 (sync_sub<mode>_internal): Delte.
8220 (sync_subshort_internal): New.
8221 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8222 (sync_anddi_internal): Delete.
8223 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8224 (sync_booldi_internal): Delete.
8225 (sync_boolc<mode>_internal): Delete.
8226 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8227 (sync_boolc<mode>_internal2): Delete.
8228 (sync_boolcc<mode>_internal): Delete.
8229 (isync, lwsync): Use unspec instead of unspec_volatile.
8230 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8231 Revert UNSPEC_VOLATILE.
8232 (rs6000_split_atomic_op): New.
8233 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8235 2005-07-14 Eric Christopher <echristo@redhat.com>
8237 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8238 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8240 2005-07-14 Eric Christopher <echristo@redhat.com>
8242 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8244 2005-07-14 Steven Bosscher <stevenb@suse.de>
8246 PR tree-optimization/22230
8247 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8248 the computation of the four cross productions for "range op range".
8250 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8251 Ulrich Weigand <uweigand@de.ibm.com>
8254 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8257 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8259 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8261 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8263 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8265 2005-07-14 Richard Guenther <rguenther@suse.de>
8268 * config/i386/i386-protos.h (ix86_function_value): Change
8269 prototype to match new target hook.
8270 * config/i386/i386.c (ix86_value_regno): Change prototype
8271 to take extra type argument.
8272 (TARGET_FUNCTION_VALUE): Define.
8273 (ix86_function_ok_for_sibcall): Pass extra argument to
8274 ix86_value_regno, check return slot rtx for exact match.
8275 (ix86_function_value): Take extra parameter. Dispatch to
8276 ix86_value_regno with fndecl/fntype as provided.
8277 (ix86_value_regno): Handle extra type argument.
8278 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8280 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8281 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8282 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8283 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8284 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8286 2005-07-14 Richard Guenther <rguenther@suse.de>
8288 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8289 * calls.c (expand_call): Pass fntype to hard_function_value.
8290 (emit_library_call_value_1): Likewise.
8291 * explow.c: Include target.h.
8292 (hard_function_value): Take extra argument, the fntype.
8293 Use new target hook for function_value.
8294 * expr.h (hard_function_value): Change prototype.
8295 * function.c (aggregate_value_p): Pass 0 as fntype to
8296 hard_function_value.
8297 (assign_parms): Use new target hook for function_value.
8298 Pass 0 as fntype to hard_function_value.
8299 (expand_function_end): Likewise.
8300 * reg-stack.c: Include target.h.
8301 (stack_result): Use new target hook for function_value.
8302 * target-def.h: New target hook function_value.
8303 * target.h: Likewise.
8304 * targhooks.c (default_function_value): New function.
8305 * targhooks.h (default_function_value): Declare.
8307 2005-07-13 Ian Lance Taylor <ian@airs.com>
8309 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8311 2005-07-14 Jan Hubicka <jh@suse.cz>
8313 * tree-dfa.c (dump_variable): Use default_def function.
8314 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8315 * tree-ssa.c (verify_use): Likewise.
8316 * tree-ssanames.c (release_ssa_name): Likewise.
8317 * tree-tailcall.c (eliminate_tail_call): Likewise.
8318 (tree_optimize_tail_calls_1): Likewise.
8319 * tree-vrp.c (get_value_range): Likewise.
8321 2005-07-14 Ben Elliston <bje@au.ibm.com>
8323 * gcc.c (main): Compare language[0] with '*' when iterating over
8326 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8328 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8329 "s390_emit_compare". Add handling of CCZ1mode.
8330 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8331 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8333 (s390_branch_condition_mask): Add CCZ1mode handling.
8334 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8335 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8336 Use CCZ1mode instead of CCZmode.
8337 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8339 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8341 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8343 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8345 2005-07-13 Eric Christopher <echristo@redhat.com>
8347 * config/mips/mips.c (mips_canonicalize_comparison): New.
8348 (mips_emit_int_relational): Use.
8350 2005-07-13 Eric Christopher <echristo@redhat.com>
8352 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8354 * config/s390/s390.md: Include tpf.md. Move tpf specific
8356 * config/s390/tpf.md: To here.
8357 * config/s390/s390.opt: Move tpf specific options...
8358 * config/s390/tpf.opt: to here. Add mmain option.
8359 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8360 * config/s390/tpf.h: Rewrite.
8362 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8364 * doc/tm.texi: Remove @xref{Cross-profiling}.
8366 2005-07-13 Jeff Law <law@redhat.com>
8368 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8369 expressions, test their _DECL operands for pointer equality rather
8370 than using operand_equal_p.
8372 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8374 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8375 (TARGET_POSIX_IO): This.
8376 * config/darwin.h: Likewise.
8377 * config/freebsd.h: Likewise.
8378 * config/linux.h: Likewise.
8379 * config/lynx.h: Likewise.
8380 * config/netbsd.h: Likewise.
8381 * config/rs6000/linux64.h: Likewise.
8382 * config/rs6000/linux.h: Likewise.
8383 * config/s390/tpf.h: Likewise.
8384 * config/sh/embed-elf.h: Likewise.
8385 * config/sparc/linux64.h: Likewise.
8386 * config/sparc/linux.h: Likewise.
8387 * config/svr4.h: Likewise.
8388 * gcov-io.h: Likewise.
8390 * doc/tm.texi: Updated.
8392 * libgcov.c (create_file_directory): Defined only if
8393 TARGET_POSIX_IO is defined.
8394 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8397 2005-07-13 Jan Hubicka <jh@suse.cz>
8399 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8401 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8403 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8404 structure as argument.
8406 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8408 PR tree-optimization/21921
8409 * tree-iterator.c (tsi_link_before): Support the case when
8410 tsi_end_p (tsi) == true.
8412 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8414 PR tree-optimization/22442
8415 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8418 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8420 PR rtl-optimization/20376
8421 * toplev.c (process_options): Enable -fweb and -frename-registers when
8423 * doc/invoke.texi: Update the information about when -fweb and
8424 -frename-registers are enabled.
8426 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8429 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8430 if *rhs_p is not a SSA_NAME.
8432 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8434 Fix PR tree-optimization/22422
8435 * tree-ssa-structalias.c (struct variable_info): Add flag for
8437 (get_varinfo): Now a static function.
8438 (new_varinfo): init has_union and is_special_var to false.
8439 (solution_set_add): Check has_union.
8440 (do_da_constraint): Move temporary variable so it gets reset
8442 Also check for special variable.
8443 (do_ds_constraint): Ditto.
8444 (do_sd_constraint): Ditto.
8445 (do_structure_copy): Check for special variable.
8446 (find_func_aliases): Ditto.
8447 (init_base_vars): Set special vars properly.
8449 2005-07-13 Jan Hubicka <jh@suse.cz>
8451 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8454 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8455 (get_expr_operands): Fix thinko wrt flags and subvars.
8457 PR tree-optimize/22379
8458 * tree-inline.c (expand_call_inline): Do not output sorry in early
8461 2005-07-12 Dale Johannesen <dalej@apple.com>
8463 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8465 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8468 * host-linux.h: Include limits.h.
8470 2005-07-12 Dale Johannesen <dalej@apple.com>
8472 * expr.c (compress_float_constant): Add cost check.
8473 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8475 2005-07-12 Dale Johannesen <dalej@apple.com>
8477 * gcc.target/i386/compress-float-sse.c: New.
8478 * gcc.target/i386/compress-float-sse-pic.c: New.
8479 * gcc.target/i386/compress-float-387.c: New.
8480 * gcc.target/i386/compress-float-387-pic.c: New.
8481 * gcc.dg/compress-float-ppc.c: New.
8482 * gcc.dg/compress-float-ppc-pic.c: New.
8484 2005-07-12 Eric Christopher <echristo@redhat.com>
8486 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8488 * config/s390/s390.md: Include tpf.md. Move tpf specific
8490 * config/s390/tpf.md: To here.
8491 * config/s390/s390.opt: Move tpf specific options...
8492 * config/s390/tpf.opt: to here. Add mmain option.
8493 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8494 * config/s390/tpf.h: Rewrite.
8496 2005-07-12 Eric Christopher <echristo@redhat.com>
8498 * gcc.c (struct infile): Update comment for language.
8499 (main): Rewrite input file resetting code.
8501 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8504 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8505 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8506 (lookup_avail_expr): Use constant_boolean_node instead
8507 of boolean_false_node/boolean_true_node.
8509 2005-07-12 Ben Elliston <bje@au.ibm.com>
8511 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8512 and use it when printing num_edges.
8514 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8516 * doc/extend.texi (Blackfin Built-in Functions): New section.
8517 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8520 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8522 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8523 s/cmpstrsi/cmpstrnsi
8524 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8526 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8527 (init_optabs): Initialize cmpstrn_optab.
8528 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8529 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8530 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8531 * config/i386/i386.md: s/cmpstr/cmpstrn
8532 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8533 * doc/md.texi: Update documentation.
8535 2005-07-11 Richard Henderson <rth@redhat.com>
8537 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8538 build_va_arg_indirect_ref.
8539 (alpha_gimplify_va_arg): Likewise.
8540 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8541 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8542 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8543 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8544 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8545 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8547 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8549 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8551 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8552 * passes.c (init_optimization_passes): Add pass_empty_loop.
8553 * tree-pass.h (pass_empty_loop): Declare.
8554 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8555 try_remove_empty_loop, remove_empty_loops): New functions.
8556 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8557 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8559 2005-07-12 Peter Barada <peter@the-baradas.com>
8563 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8564 in address registers.
8565 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8566 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8567 alternative of addsi3_5200.
8569 2005-07-11 Ian Lance Taylor <ian@airs.com>
8571 * config/mips/mips.md (ffs<mode>2): Remove.
8573 2005-07-11 Ian Lance Taylor <ian@airs.com>
8575 * doc/tree-ssa.texi (Cleanups): Improve description of
8577 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8579 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8581 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8582 * tree.h (DECL_ARGUMENT_FLD): New macro.
8584 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8586 Fix PR tree-optimization/22404
8588 * tree-ssa-structalias.c (create_variable_info_for): Use
8591 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8593 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8594 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8595 for second comparison operand.
8596 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8598 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8599 (define_insn_reservation "alu"): Likewise.
8600 (csync, ssync): Now of type sync.
8601 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8602 -mcsync-anomaly -mspecld-anomaly.
8603 * config/bfin/bfin.opt (mcsync): Remove.
8604 (mcsync-anomaly, mspecld-anomaly): Add.
8605 * config/bfin/bfin.c: Include "insn-codes.h".
8606 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8607 (TARGET_DEFAULT_TARGET_FLAGS): New.
8608 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8610 2005-07-11 Steven Bosscher <stevenb@suse.de>
8612 * basic-block.h: Give the BB flags enum a name, bb_flags.
8613 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8614 * cfgcleanup.c (enum bb_flags): Remove here.
8615 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8616 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8617 (update_forwarder_flag): Likewise.
8618 (thread_jump): Likewise.
8619 (try_forward_edges): Likewise.
8620 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8621 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8622 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8624 2005-07-11 Richard Guenther <rguenther@suse.de>
8626 * config/i386/i386.opt: New target option -msseregparm.
8627 * config/i386/i386.c (override_options): Error out for
8628 -msseregparm but no SSE support.
8629 (ix86_function_sseregparm): Check for global sseregparm.
8630 * doc/invoke.texi: Document -msseregparm.
8632 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8634 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8635 (m32rle-*-linux*): Ditto.
8637 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8639 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8640 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8643 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8647 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8648 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8650 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8652 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8653 (varmap): Heapify varmap.
8654 (constraints): Heapify constraints.
8655 (struct constraint_graph): Heapify succs and preds.
8656 (constraint_vec_find): Update for heapification.
8657 (constraint_set_union): Ditto.
8658 (insert_into_complex): Ditto.
8659 (constraint_edge_vec_find): Ditto.
8660 (erase_graph_self_edge): Ditto.
8661 (add_graph_edge): Ditto.
8662 (get_graph_weights): Ditto.
8663 (merge_graph_nodes): Ditto.
8664 (build_constraint_graph): Ditto.
8665 (topo_visit): Ditto.
8666 (solve_graph): Ditto.
8667 (create_variable_info_for): Ditto.
8668 (init_base_vars): Ditto.
8669 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8670 (condese_varmap_nodes): Free complex vector.
8671 (clear_edges_for_node): Clear succs and preds vector.
8673 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8675 * tree-ssa-structalias.c (update_alias_info): Change counting of
8676 references to not include vdefs.
8678 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8680 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8683 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8685 * pa.c (pa_commutative_p): Make PLUS commutative when
8686 TARGET_NO_SPACE_REGS is true.
8688 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8690 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8691 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8692 * tree-dfa.c (dump_subvars_for): New.
8693 (debug_subvars_for): New.
8694 (dump_variable): Show subvariables if VAR has them.
8695 * tree-flow-inline.h (get_subvar_at): New.
8696 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8697 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8699 (struct subvar): Change fields offset and size to unsigned
8701 (dump_subvars_for): Declare.
8702 (debug_subvars_for): Declare.
8703 (get_subvar_at): Declare.
8704 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8705 to unsigned HOST_WIDE_INT *.
8706 (overlap_subvar): Likewise.
8707 * tree-gimple.c (is_gimple_reg): Always return false for
8708 SFTs and memory tags.
8709 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8711 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8712 (compute_may_aliases): Call compute_points_to_sets.
8713 (collect_points_to_info_for): Remove.
8714 (compute_points_to_and_addr_escape): Remove.
8715 (delete_alias_info): Call delete_points_to_sets.
8716 (compute_flow_sensitive_aliasing): If the call to
8717 find_what_p_points_to returns false, call set_pt_anything.
8718 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8719 (set_pt_anything): Clear pi->pt_vars.
8720 (set_pt_malloc): Remove.
8721 (merge_pointed_to_info): Remove.
8722 (add_pointed_to_expr): Remove.
8723 (add_pointed_to_var): Remove.
8724 (collect_points_to_info_r): Remove.
8725 (is_escape_site): Make extern.
8727 (create_overlap_variables_for): Call it.
8728 * tree-ssa-copy.c (merge_alias_info): Never merge
8729 flow-sensitive alias information.
8730 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8731 offset and size to be unsigned HOST_WIDE_INT.
8732 (add_to_addressable_set): Rename from note_addressable.
8733 Set TREE_ADDRESSABLE as the variables are added to the set.
8735 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8736 operands into VUSEs when adding V_MAY_DEFs for members in an
8738 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8739 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8740 (struct variable_info): Add bitfield is_heap_var.
8741 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8742 (new_var_info): Initialize is_heap_var.
8743 (get_constraint_for): Add HEAP variables to the symbol table.
8744 Mark them with is_heap_var.
8745 (update_alias_info): New. Taken mostly from the old
8746 compute_points_to_and_addr_escape.
8747 (handle_ptr_arith): New.
8748 (find_func_aliases): Call update_alias_info.
8749 Call handle_ptr_info for tcc_binary expressions.
8750 Call mark_stmt_modified.
8751 (create_variable_info_for): If DECL has subvars, do not create
8752 variables for its subvars. Always add all the fields.
8753 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8754 SFTs, then add all the SFTs of the structure.
8755 If VI->DECL is an aggregate with subvariables, add the SFT at
8757 (find_what_p_points_to): If VI is an artificial variable,
8758 translate to bitfields in SSA_NAME_PTR_INFO.
8759 If the solution is empty, set pi->pt_vars to NULL
8760 (init_base_vars): Create ANYOFFSET.
8761 (compute_points_to_sets): Rename from create_alias_vars.
8763 (pass_build_pta): Remove.
8764 (delete_points_to_sets): Rename from delete_alias_vars.
8765 (pass_del_pta): Remove.
8766 * tree-ssa-structalias.h (struct alias_info): Move from
8768 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8769 NUM_REFERENCES_SET): Likewise.
8770 (compute_points_to_sets, delete_points_to_sets): Declare.
8772 2005-07-09 Richard Henderson <rth@redhat.com>
8774 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8775 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8776 alpha_split_lock_test_and_set_12): New functions.
8777 * config/alpha/alpha-protos.h: Update.
8778 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8779 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8780 * config/alpha/sync.md (I12MODE): New.
8781 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8782 (sync_<fetchop_name><I48MODE>): Likewise.
8783 (sync_nand<I48MODE>): Likewise.
8784 (sync_old_<fetchop_name><I48MODE>): Likewise.
8785 (sync_new_<fetchop_name><I48MODE>): Likewise.
8786 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8787 (sync_compare_and_swap<I48MODE>): Likewise.
8788 (sync_lock_test_and_set<I48MODE>): Likewise.
8789 (sync_compare_and_swap<I12MODE>): New.
8790 (sync_compare_and_swap<I12MODE>_1): New.
8791 (sync_lock_test_and_set<I12MODE>): New.
8792 (sync_lock_test_and_set<I12MODE>_1): New.
8794 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8798 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8800 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8802 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8803 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8805 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8808 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8810 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8812 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8813 memory_operand constraint.
8814 (store_conditional_<mode>): Same.
8815 (sync_compare_and_swap<mode>): Same.
8816 (sync_lock_test_and_set<mode>): Same.
8818 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8820 Rewrite PIC support to more closely model actual instructions.
8821 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8822 (cris_symbol): Remove prototypes for removed functions.
8823 (cris_pic_symbol_type_of, cris_valid_pic_const)
8824 (cris_expand_pic_call_address): Prototypes for new functions.
8825 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8827 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8829 <case ':'>: Add case for new punctuation character.
8830 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8831 emitting (extra) PIC modifier.
8832 <case UNSPEC>: Do not assert for PLT.
8833 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8834 (cris_expand_prologue, cris_expand_epilogue): Check
8835 for pic_offset_table_rtx usage instead of taking
8836 current_function_uses_pic_offset_table as the final word.
8837 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8838 Remove flag_pic difference.
8839 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8840 the moral equivalents of...
8841 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8843 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8844 (cris_handle_option): Mark ARG as unused.
8845 (cris_expand_pic_call_address): New worker function for "call",
8847 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8848 output PIC constructs here.
8849 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8850 as symbol-specific modifers, not whole or part of operands.
8851 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8852 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8853 constants and flag_pic.
8854 (CONSTANT_INDEX_P): Adjust for new functions.
8855 (enum cris_pic_symbol_type): New helper type.
8856 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8857 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8858 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8860 ("movsi"): Emit actual instructions for GOT and relative access.
8861 ("*movsi_got_load"): New pattern to set up the register holding
8863 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8864 Adjust FIXME for 'S'.
8865 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8866 Use "movs" for -fpic cases.
8867 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8868 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8869 ("call", "call_value"): Just call cris_expand_pic_call_address for
8871 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8872 Remove special pattern.
8873 ("*expanded_call_side", "*expanded_call_value_side"): New
8875 (gotplt-to-plt, gotplt-to-plt-side-call)
8876 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8878 * config/cris/cris/predicates.md
8879 ("cris_general_operand_or_gotless_symbol"): Remove unused
8881 ("cris_general_operand_or_symbol"): Adjust for new functions.
8883 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8885 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8887 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8889 * Makefile.in (TREE_H): Add treestruct.def.
8890 (c-decl.o): Add pointer-set.h
8891 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8892 visibility on regular DECL's.
8893 (merge_decls): Fix the copying of decl nodes of various types for
8894 the new structures. Don't update RTL, section name, weak status,
8895 etc, on DECL's without RTL.
8896 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8897 Don't check volatile on non-variable types.
8898 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8899 to check whether we have seen arguments.
8900 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8901 flag is checked before field (flag is common, field is not).
8902 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8903 TS_DECL_COMMON could have an origin.
8904 (add_location_or_const_value_attribute): Don't check section name
8905 on non-var/function decls.
8906 (dwarf2out_var_location): Reverse order of tests.
8907 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8908 with DECL_WRTL_CHECK.
8909 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8910 * fold-const.c (fold_binary): Don't check weakness on
8911 non-var/function decls.
8912 (tree_expr_nonzero_p): Ditto.
8913 (fold_checksum_tree): Use tree_decl_extra as sizeof
8915 * ggc-page.c (extra_order_size_table): Add sizes for
8916 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8918 * gimplify.c (gimplify_bind_expr): Only set
8919 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8920 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8922 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8923 * langhooks.h (init_ts). New langhook.
8924 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8925 * print-tree.c (print_node): Update to only print fields that
8926 exist in the structures the passed decl has.
8927 * toplev.c (wrapup_global_declarations): Don't reset
8928 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8929 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8930 * tree-inline.c (remap_decl): Ditto.
8931 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8932 * tree-pretty-print.c (print_declaration): Don't print
8933 DECL_REGISTER on things that don't contain it.
8934 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8935 non-var/function decls.
8936 * tree.c (tree_contains_struct): New structure.
8937 (init_priority_for_decl): New hashtable.
8938 (tree_int_map): New structure.
8939 (tree_int_map_eq): New function.
8940 (tree_int_map_marked_p): Ditto.
8941 (tree_int_map_hash): Ditto.
8942 (tree_map): Move to tree.h.
8943 (tree_map_eq): Externalize.
8944 (tree_map_hash): Ditto.
8945 (tree_map_marked_p): Ditto.
8946 (init_ttree): Set up tree_contains_struct and call langhook.
8947 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8948 (tree_code_size): Update for new structures.
8949 (tree_node_structure): Update for new structures.
8950 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8952 (copy_node_stat): Copy init priority.
8953 (build_decl_stat): Ditto for visibility.
8954 (ts_enum_names): New.
8955 (tree_contains_struct_check_failed): New function.
8956 (decl_init_priority_lookup): Ditto.
8957 (decl_init_priority_insert): Ditto.
8958 * treestruct.def: New file.
8959 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8960 (CONTAINS_STRUCT_CHECK): Ditto.
8961 (tree_contains_struct_check_failed): New prototype.
8962 (DECL_CHECK): Removed.
8963 (DECL_MINIMAL_CHECK): New.
8964 (DECL_COMMON_CHECK): Ditto.
8965 (DECL_WRTL_CHECK): Ditto.
8966 (DECL_NON_COMMON_CHECK): Ditto.
8967 (DECL_WITH_VIS_CHECK): Ditto.
8968 (VAR_OR_FUNCTION_DECL_P): Ditto
8969 (struct tree_decl_minimal): New structure.
8970 (struct tree_decl_common): Ditto.
8971 (struct tree_decl_with_rtl): Ditto.
8972 (struct tree_decl_with_vis): Ditto.
8973 (struct tree_decl_non_common): Ditto.
8974 (struct tree_field_decl): Ditto.
8975 (struct tree_parm_decl): Ditto.
8976 (struct tree_var_decl): Ditto.
8977 (struct tree_function_decl): Ditto.
8978 (struct tree_const_decl): Ditto.
8979 (struct tree_result_decl): Ditto.
8980 (union tree_node): Add new structures.
8981 * var-tracking.c (track_expr_p): Reverse order of tests.
8983 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8985 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8987 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8988 * system.h: Poison FINALIZE_PIC.
8989 * doc/tm.texi (FINALIZE_PIC): Remove.
8991 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8994 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8995 to the correct type if we have a MODIFY_EXPR.
8997 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8999 PR tree-optimization/22360
9000 * tree.c (upper_bound_in_type): Fix calculations for casting
9001 to a non-wider signed type and casting a signed value to a
9002 wider unsigned type.
9003 (lower_bound_in_type): Fix calculations for casting to a
9004 non-wider signed type.
9006 PR tree-optimization/20139
9007 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9009 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9010 fold_cond_expr_cond.
9011 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9012 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9014 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9017 * tree-complex.c (expand_complex_libcall): Produce
9018 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9020 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9022 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9023 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9024 b" assert and inserted fastpath code for this case.
9025 (bitmap_ior): Removed "a != b" assert.
9027 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9029 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9030 (ENDFILE_SPEC): Likewise.
9031 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9033 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9034 a large stack frame at epilogue.
9036 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9038 * final.c: Include sdbout.h when required.
9040 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9042 * config.gcc (*-*-darwin*): Only one target-specific header file
9044 (powerpc-*-darwin*): Add version-specific header files.
9045 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9046 * config.in: Regenerate.
9047 * configure: Regenerate.
9048 * gcc.c: Include xregex.h.
9049 (version_compare_spec_function): New.
9050 (spec_function): Add version-compare.
9051 (replace_outfile_spec_function): Reformat comment.
9052 (compare_version_strings): New.
9053 * config/darwin-c.c (version_as_macro): New.
9054 (builtin_define): New.
9055 (darwin_cpp_builtins): New.
9056 * config/darwin-protos.h (darwin_cpp_builtins): New.
9057 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9058 (LIB_SPEC): Make unconditional, update comment.
9059 (TARGET_C99_FUNCTIONS): Define.
9060 * config/darwin.opt: Sort.
9061 (mmacosx-version-min=): New.
9062 * config/darwin7.h: Delete.
9063 * config/darwin8.h: Delete.
9064 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9065 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9066 (TARGET_C99_FUNCTIONS): Define.
9067 * config/rs6000/darwin7.h: New.
9068 * config/rs6000/darwin8.h: New.
9069 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9070 (-mmacosx-version-min): Document.
9072 2005-07-07 Ian Lance Taylor <ian@airs.com>
9074 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9076 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9079 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9081 2005-07-07 Khem Raj <kraj@mvista.com>
9083 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9084 in bytes, not words.
9086 2005-07-07 Paul Brook <paul@codesourcery.com>
9088 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9089 DEFAULT_FUNCTION_ARG_PADDING to upward.
9091 2005-07-07 Richard Henderson <rth@redhat.com>
9093 * function.c (locate_and_pad_parm): Record parameter alignment in
9094 stack_alignment_needed.
9096 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9098 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9099 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9100 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9101 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9102 (define_attr "type"): Add isync, sync, load_l, store_c.
9103 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9104 Create scratch volatile MEM.
9105 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9107 (load_locked_<mode>): New.
9108 (store_conditional_<mode>): New.
9109 (sync_compare_and_swap<mode>): Replace with splitter.
9110 (sync_lock_test_and_set<mode>): Replace with splitter.
9111 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9113 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9114 is ics. Attribute isync.
9115 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9117 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9118 and UNSPECV_SYNC_OP.
9119 (emit_unlikely_jump): New.
9120 (emit_load_locked): New.
9121 (emit_store_conditional): New.
9122 (rs6000_split_compare_and_swap): New.
9123 (rs6000_split_lock_test_and_set): New.
9124 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9125 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9126 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9127 rs6000_split_lock_test_and_set): Declare.
9128 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9129 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9130 store_c, isync, sync.
9132 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9134 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9135 filenames to gtyp-gen.h.
9136 (s-typ-gen): Use it in place of for loops.
9138 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9140 * hooks.c (hook_bool_rtx_int_false): New function.
9141 * hooks.h (hook_bool_rtx_int_false): Declare.
9142 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9143 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9144 * target.h (struct gcc_target): Add commutative_p member.
9145 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9146 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9147 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9148 (pa_commutative_p): New function.
9149 * jump.c (target.h): Include.
9150 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9151 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9153 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9155 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9156 (s390_expand_setmem): New.
9157 * config/s390/s390.c: Likewise.
9158 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9160 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9161 general_operand. Call new function "s390_expand_setmem".
9162 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9163 ("setmem_long", "*setmem_long"): ... this.
9165 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9167 * config/s390/s390.c: (optimization_options): Enable
9168 TARGET_MVCLE at -Os.
9169 * doc/invoke.texi: Document changes in default behaviour.
9170 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9172 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9174 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9175 defined by back-end.
9177 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9179 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9180 all sets in the pattern.
9181 * config/rs6000/rs6000.md (stack_protect_testsi,
9182 stack_protect_testdi): Likewise.
9184 2005-07-06 Jeff Law <law@redhat.com>
9186 * tree-vrp.c (simplify_using_ranges): Kill.
9187 (vrp_finalize): Remove call to simplify_using_ranges.
9188 (simplify_stmt_using_ranges): New function extracted from
9189 simplify_using_ranges.
9190 (simplify_div_or_mod_using_ranges): Likewise.
9191 (simplify_abs_using_ranges): Likewise.
9192 (simplify_cond_using_ranges): New function.
9193 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9194 * tree-ssa-propagate.c (substitute_and_fold): Call
9195 simplify_stmt_using_ranges if we have range information.
9197 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9199 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9200 ia64_flag_schedule_isns2.
9202 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9203 reading/writing general registers.
9204 (ia64_function_arg): Revert 2005-06-18 change.
9206 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9208 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9209 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9211 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9213 * function.c (expand_function_end): Revert part of 2005-06-27
9214 patch. Do sjlj_emit_function_exit_after after return_label.
9216 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9218 * doc/install.texi (--disable-libssp): New.
9220 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9222 * doc/invoke.texi: Update -fforce-mem documentation.
9223 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9224 code for -fforce-mem.
9225 * expmed.c: (store_bit_field,store_fixed_bit_field,
9226 extract_bit_field): Ditto.
9227 * expr.c: (convert_move): Ditto.
9228 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9229 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9230 emit_conditional_add,expand_float,expand_fix): Ditto.
9231 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9232 (common_handle_option): Issue warning when -fforce-mem specified.
9234 2005-07-06 Paul Brook <paul@codesourcery.com>
9236 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9238 * configure: Regenerate.
9240 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9242 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9244 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9246 Fix PR tree-optimization/22319
9247 Fix PR tree-optimization/22140
9248 Fix PR tree-optimization/22310
9250 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9251 variable sized types.
9252 Use correct type for intermediate structure on *a = *b structure
9255 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9257 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9259 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9260 (machine_function): Move typedef to...
9261 * config/rs6000/rs6000.c (machine_function): ... here. Add
9262 varargs_save_offset field.
9263 (rs6000_stack_t): Remove varargs_size field.
9264 (setup_incoming_varargs): Allocate varargs save area using
9265 assign_stack_local, try to make it as small as possible.
9266 Save offset from virtual_stack_vars_rtx to the save area
9267 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9268 instead of magic 8 when fp word byte size is used.
9269 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9270 instead of -RS6000_VARARGS_SIZE.
9271 (rs6000_stack_info, debug_stack_info,
9272 rs6000_initial_elimination_offset): Remove all traces of
9274 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9275 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9276 RS6000_VARARGS_AREA.
9278 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9280 PR tree-optimization/21963
9281 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9282 constant_multiple_of in the same way get_computation_cost_at does.
9284 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9286 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9287 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9288 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9289 and return its previous value.
9290 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9291 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9293 (stack_protect_set, stack_protect_test): New expanders.
9294 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9295 stack_protect_testdi): New insns.
9296 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9297 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9299 2005-07-06 Jeff Law <law@redhat.com>
9301 * tree-ssa-dce.c (cfg_altered): New global.
9302 (tree_dce_init): Initialize cfg_altered.
9303 (remove_dead_stmt): If we remove an edge in the CFG, then set
9305 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9308 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9310 * Makefile.in (stamp-collect-ld): Use
9311 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9312 ./collect-ld if it already exists.
9313 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9314 Don't remove ./nm if it already exists.
9316 2005-07-05 Devang Patel <dpatel@apple.com>
9318 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9319 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9320 * tree-vectorizer.c (vect_loop_location): New.
9321 (vect_print_dump_info): Use vect_loop_location.
9322 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9323 (vectorize_loops): Set vect_loop_location.
9324 * tree-vect-analyze.c (vect_analyze_offset_expr,
9325 vect_determin_vectorization_factor, vect_analyze_operations,
9326 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9327 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9328 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9329 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9330 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9331 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9332 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9333 vect_analyze_loop): Adjust vect_print_dump_info API.
9334 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9335 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9336 vect_finish_stmt_generation, vectorizable_assignment,
9337 vectorizable_operation, vectorizable_store, vectorizable_load,
9338 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9339 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9340 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9341 vect_transform_loop): Same.
9342 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9343 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9346 2005-07-05 Randolph Chung <tausq@debian.org>
9348 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9349 * configure: Regenerate.
9350 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9351 (pa_tls_referenced_p): Declare.
9352 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9353 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9354 (legitimize_tls_address): New.
9355 (hppa_legitimize_address): Handle TLS addresses.
9356 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9357 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9358 (emit_move_sequence): Handle TLS addresses.
9359 (pa_encode_section_info): Call default handler to handle common
9361 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9362 (CONSTANT_ADDRESS_P): Reject TLS operands.
9363 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9364 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9365 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9366 (UNSPEC_TLSLE): Define new constants.
9367 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9368 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9369 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9370 (tie_symbolic_operand, tle_symbolic_operand): New
9372 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9374 * aclocal.m4: Update macros for autoconf 2.59 style.
9375 * configure.ac: Likewise.
9377 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9379 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9380 (function_arg): Pass small aggregates in general registers on 32-bit
9382 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9384 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9386 * Makefile.in (final.o): Fix dependencies.
9388 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9392 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9393 * langhooks.c (lhd_expr_to_decl): New.
9394 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9396 (LANG_HOOKS_INITIALIZER): Update.
9397 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9398 expr_to_decl langhook.
9399 * c-tree.h (c_expr_to_decl): Declare.
9400 * c-typeck.c (c_expr_to_decl): New.
9401 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9403 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9405 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9408 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9409 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9411 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9413 * Makefile.in: Adjust dependencies.
9414 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9415 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9416 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9417 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9418 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9419 rest_of_compilation.
9421 * bb-reorder.c (gate_duplicate_computed_gotos,
9422 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9423 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9424 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9425 pass_partition_blocks): New.
9426 * bt-load.c (gate_handle_branch_target_load_optimize,
9427 rest_of_handle_branch_target_load_optimize,
9428 pass_branch_target_load_optimize): New.
9429 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9431 * cfglayout.c (pass_insn_locators_initialize): New.
9432 * cfgrtl.c (pass_free_cfg): New.
9433 * combine.c (gate_handle_combine, rest_of_handle_combine,
9435 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9436 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9437 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9438 * except.c (pass_set_nothrow_function_flags,
9439 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9441 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9442 rest_of_handle_shorten_branches, pass_shorten_branches,
9443 rest_of_clean_state, pass_clean_state): New.
9444 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9445 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9446 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9448 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9449 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9450 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9451 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9453 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9454 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9455 pass_rtl_ifcvt, gate_handle_if_after_combine,
9456 rest_of_handle_if_after_combine, pass_if_after_combine,
9457 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9458 pass_if_after_reload): New.
9459 * integrate.c (pass_initial_value_sets): New.
9460 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9461 pass_purge_lineno_notes): New.
9462 * mode-switching.c (rest_of_handle_mode_switching,
9463 pass_mode_switching): New.
9464 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9465 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9467 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9468 pass_loop_optimize): New.
9469 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9471 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9473 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9474 pass_postreload_cse): New.
9475 * profile.c (gate_handle_profiling, pass_profiling,
9476 rest_of_handle_branch_prob, pass_branch_prob): New.
9477 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9478 pass_split_before_regstack, gate_handle_split_before_regstack,
9479 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9480 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9481 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9482 pass_stack_regs): New.
9483 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9484 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9485 pass_stack_adjustments): New.
9486 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9487 pass_regrename): New.
9488 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9489 pass_delay_slots, gate_handle_machine_reorg,
9490 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9491 * rtl.h (extern void purge_line_number_notes): New.
9492 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9493 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9495 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9497 * value-prof.c (gate_handle_value_profile_transformations,
9498 rest_of_handle_value_profile_transformations,
9499 pass_value_profile_transformations): New.
9500 * var-tracking.c (gate_handle_var_tracking,
9501 pass_variable_tracking): New.
9502 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9504 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9505 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9506 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9507 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9508 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9509 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9510 rest_of_handle_gcse2, rest_of_handle_regmove,
9511 rest_of_handle_tracer, rest_of_handle_if_conversion,
9512 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9513 rest_of_handle_web, rest_of_handle_branch_prob,
9514 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9515 rest_of_handle_jump_bypass, rest_of_handle_combine,
9516 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9517 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9518 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9519 rest_of_handle_mode_switching, rest_of_handle_jump,
9520 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9521 rest_of_handle_flow2, rest_of_handle_jump2,
9522 rest_of_handle_peephole2, rest_of_handle_postreload,
9523 rest_of_handle_shorten_branches, rest_of_clean_state,
9524 rest_of_compilation): Remove.
9526 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9527 * passes.c (dump_flags, in_gimple_form, all_passes,
9528 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9529 register_dump_files, next_pass_1, last_verified, execute_todo,
9530 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9531 from tree-optimize.c.
9532 (init_optimization_passes): Moved from tree-optimize.c,
9533 adding the RTL optimizations.
9534 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9535 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9536 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9537 register_dump_files, next_pass_1, last_verified, execute_todo,
9538 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9539 init_tree_optimization_passes, ipa_passes): Delete.
9540 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9542 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9543 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9545 (ipa_passes): Remove.
9546 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9547 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9548 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9549 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9550 (dump_info_p, dump_flag): Moved to tree-dump.h.
9552 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9554 * passes.c (finish_optimization_passes): Use dump_begin
9555 and dump_end, TDI_end.
9556 (gate_rest_of_compilation): New.
9557 (pass_rest_of_compilation): Use it.
9558 (gate_postreload, pass_postreload): New.
9559 * toplev.c (general_init): Rename init_tree_optimization_passes.
9560 * toplev.h (init_tree_optimization_passes): Rename to
9561 init_optimizations_passes.
9562 * tree-dump.c (dump_flag): Make static.
9563 (dump_files): Remove RTL dumps.
9564 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9565 pass_cleanup_cfg, pass_free_cfg_annotations,
9566 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9567 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9568 * tree-pretty-print.c: Include tree-pass.h.
9569 * cgraph.c: Include tree-dump.h.
9571 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9573 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9574 Only fall back to saying it points to readonly memory if
9577 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9579 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9580 * config/m32r/m32r.c (m32r_compute_frame_size,
9581 m32r_expand_prologue): Take current_function_profile into
9582 account whenever we reference
9583 current_function_uses_pic_offset_table.
9584 (m32r_finalize_pic): Remove.
9585 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9587 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9589 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9590 instead of $<. Don't remove ./as if it already exists.
9592 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9595 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9596 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9597 for complex modes when generating code for PA 1.0.
9598 (VALID_FP_MODE_P): New macro.
9599 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9600 sets for all general and floating point modes. Align wide floating
9601 point modes to even register boundaries to comply with architectural
9603 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9604 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9605 (VALID_FP_MODE_P): New macro.
9606 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9607 sets for all general and floating point modes. Align wide floating
9608 point modes to even register boundaries to comply with architectural
9611 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9613 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9616 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9618 * tree-ssa-structalias.c: Don't include expr.h.
9620 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9622 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9625 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9627 Fix PR tree-optimization/22279
9629 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9632 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9634 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9636 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9638 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9639 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9640 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9641 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9642 config/stormy16/stormy16.c, config/v850/v850.c,
9643 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9644 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9645 Avoid "." or "\n" at end of diagnostics and capital letters at
9646 start of diagnostics.
9647 * combine.c, cse.c: Don't translate dump file output.
9648 * toplev.c (print_version): Only translate output if going to
9651 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9653 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9654 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9657 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9659 * pa.c (fix_range): Fix typo in comment.
9661 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9663 * tree-vrp.c (extract_range_from_assert): Replace
9664 fold (build (...)) with fold_build2.
9666 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9668 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9669 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9670 (format_types_orig, handle_format_attribute): Add support for
9673 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9675 * varasm.c (assemble_variable): Fix format specifier thinko.
9677 2005-07-03 Ira Rosen <irar@il.ibm.com>
9679 PR tree-optimization/22029 (and 22135)
9680 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9681 a phi node before calling dump_vops.
9683 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9685 * tree-dump.h (dump_string_field): Declare.
9686 * tree-dump.c: Use it instead of dump_string.
9687 (dump_string_field): Make non-static.
9689 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9691 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9692 up the minimal CFG stuff always when optimize > 0. Call
9693 split_all_insns_noflow in PIC case if needed.
9695 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9696 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9699 * c-decl.c (c_write_global_declarations): Dump contents of
9701 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9702 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9703 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9704 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9707 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9709 * c-common.h (GCC_DIAG_STYLE): Define.
9710 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9711 version for format checking to 4.1.
9712 * c-format.c: Include toplev.h after c-common.h.
9713 (enum format_type): Add gcc_tdiag_format_type.
9714 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9715 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9716 (format_types_orig): Add gcc_tdiag.
9717 (init_dynamic_diag_info): Support gcc_tdiag formats.
9718 (handle_format_attribute): Likewise.
9719 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9720 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9721 version for format checking to 4.1.
9722 (warning0, warning, error, pedwarn, sorry): Use
9724 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9725 (finish_aliases_1): Do not use %qE.
9726 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9727 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9728 Correct format bugs.
9729 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9730 parameter to unsigned HOST_WIDE_INT.
9731 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9733 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9736 * expr.c (write_complex_part): Use adjust_address for MEM.
9737 (read_complex_part): Same.
9739 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9741 Fix PR tree-optimization/22280
9743 * tree-sra.c (generate_element_init): Remove useless loop.
9745 2005-07-02 Richard Henderson <rth@redhat.com>
9747 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9749 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9751 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9754 * fold-const.c (fold_binary): Handle the return value of
9755 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9756 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9758 2005-07-02 Jeff Law <law@redhat.com>
9760 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9761 a eliminate type conversion which feeds an equality comparison
9762 if the original type or either operand in the comparison is a
9765 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9767 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9768 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9770 * config/avr/avr.c: Do not use '`' as left quote.
9771 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9772 Remove "." from end of diagnostics. Make diagnostics start with
9775 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9776 Joseph S. Myers <joseph@codesourcery.com>
9778 * toplev.c (default_tree_printer): Handle setting location with
9780 * c-objc.common.c (c_tree_printer): Likewise.
9781 * c-format.c (gcc_diag_flag_specs): Add '+'.
9782 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9783 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9785 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9786 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9787 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9788 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9789 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9790 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9791 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9792 format arguments where %J is used without %D.
9794 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9796 * gcc.c (LINK_SSP_SPEC): Define.
9797 (link_ssp_spec): New variable.
9798 (LINK_COMMAND_SPEC): Add %(link_ssp).
9799 (static_specs): Add link_ssp_spec.
9800 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9801 * configure: Rebuilt.
9802 * config.in: Rebuilt.
9804 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9805 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9806 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9807 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9808 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9809 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9810 -0x7008(2) instead of reading __stack_chk_guard variable.
9811 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9813 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9814 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9815 if TARGET_THREAD_SSP_OFFSET is defined.
9816 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9817 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9820 2005-06-27 Richard Henderson <rth@redhat.com>
9821 * libgcc-std.ver (GCC_4.1.0): New.
9822 * libgcc.h (__stack_chk_guard): Declare.
9823 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9824 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9825 * mklibgcc.in (lib2funcs): Add them.
9827 2005-07-01 Richard Henderson <rth@redhat.com>
9829 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9830 void * before struct sigcontext *.
9831 (x86_fallback_frame_state): Likewise.
9833 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9835 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9837 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9840 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9841 we check for SSA_NAME for.
9843 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9845 Fix PR tree-optimization/22071
9847 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9849 (get_constraint_for_component_ref): Use it.
9851 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9854 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9855 print out the last new line.
9857 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9859 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9860 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9861 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9862 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9863 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9864 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9865 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9866 (enum reg_class): New member CC0_REGS.
9867 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9868 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9869 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9870 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9871 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9872 Adjust for register now described.
9874 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9877 * config/i386/i386.md (stack_protect_test_si,
9878 stack_protect_test_di): Add earlyclobber for scratch 3.
9879 * config/rs6000/rs6000.md (stack_protect_testsi,
9880 stack_protect_testdi): Add earlyclobber for scratch 3,
9881 remove earlyclobber from scratch 4.
9883 Older entries for 2005 can be found in ChangeLog-2005.