1 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5 * config/arm/t-strongarm-elf: Likewise.
6 * config/arm/t-pe: Likewise.
7 * config/arm/t-arm-elf: Likewise.
8 * config/arm/t-xscale-elf: Likewise.
9 * config/arm/t-arm-coff: Likewise.
10 * config/arm/t-xscale-coff: Likewise.
11 * config/arm/t-wince-pe: Likewise.
13 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
15 * config/sh/lib1funcs-4-300.asm: Guard entire file with
18 2006-11-05 Jakub Jelinek <jakub@redhat.com>
21 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
24 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
27 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
28 as a valid 80387 constant.
29 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
30 * config/i386/i386.md (unnamed splitter): Split the load of
31 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
34 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
36 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
37 from the soft-frame, argument and virtual registers.
39 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
41 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
42 patterns for standard 80387 constants.
44 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
45 Steven Bosscher <steven@gcc.gnu.org>
48 * Makefile.in: Add fwprop.o.
49 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
50 * passes.c (init_optimization_passes): Schedule forward propagation.
51 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
53 * timevar.def (TV_FWPROP): New.
54 * common.opt (-fforward-propagate): New.
55 * opts.c (decode_options): Enable forward propagation at -O2.
56 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
57 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
58 canon_for_address, table_size): Remove.
59 (new_basic_block, insert, remove_from_table): Remove references to
61 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
62 simplification loop more straightforward by not calling fold_rtx
64 (equiv_constant): Move here a small part of fold_rtx_subreg,
65 do not call fold_rtx. Call avoid_constant_pool_reference
67 * recog.h (canonicalize_change_group): New.
69 * doc/invoke.texi (Optimization Options): Document fwprop.
70 * doc/passes.texi (RTL passes): Document fwprop.
72 2006-11-03 Geoffrey Keating <geoffk@apple.com>
74 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
75 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
76 (grokdeclarator): Likewise.
78 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
80 * tree-dump.c (dump_enable_all): Rename local variable
81 ir_type to avoid name conflicts.
82 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
83 instead of using ir_type().
84 * profile.c (tree_register_profile_hooks): Likewise.
85 * value-prof.c (tree_register_value_prof_hooks): Likewise.
86 * basic-block.h (struct edge_def): Likewise.
87 * config/arm/arm.c (legitimize_pic_address): Likewise.
88 * coretypes.h (ir_type): New enum of all intermediate languages
90 * cfghooks.c (ir_type): Rename to...
91 (current_ir_type): ...this. Distinguish between cfgrtl and
92 cfglayout mode when the current IR is RTL. Return enum ir_type.
93 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
95 2006-11-03 Paul Brook <paul@codesourcery.com>
97 * config/arm/arm.c (arm_file_start): New function.
98 (TARGET_ASM_FILE_START): Define.
99 (arm_default_cpu): New variable.
100 (arm_override_options): Set arm_default_cpu.
102 2006-11-03 David Ung <davidu@mips.com>
104 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
105 PROCESSOR_24KC and PROCESSOR_24KF.
106 * config/mips/mips.c (mips_cpu_info_table): Add processor names
107 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
108 (mips_rtx_cost_data): Add costs for the 24kc.
109 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
110 * config/mips/24k.md: Remove references to 24k and replace with
111 uses of 24kc/24kf in the appropriate reservations.
112 * doc/invoke.texi (MIPS Options): Updated.
114 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
116 * config/sh/crt1.asm: Fix #ifdef indent.
118 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
119 Merged from STMicroelectronics sources:
120 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
121 * config/sh/crt1.asm (vbr_600): Add missing #if.
122 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
123 * sh.opt (mfused-madd): New option.
124 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
125 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
126 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
127 Remove pointless handler at VBR+0.
128 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
129 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
130 fr7. Make sure the timer handler is called with the correct FPU
131 precision setting, according to the ABI.
132 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
133 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
134 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
135 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
136 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
137 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
138 zero as second operand.
139 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
140 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
141 Fixed some bugs related to negative values, in particular -0
142 and overflow at -0x80000000.
143 * config/sh/divcost-analysis: Added sh4-300 figures.
144 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
145 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
146 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
147 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
148 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
149 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
151 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
153 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
154 SH4-300 scheduling description & fixes to SH4-[12]00 description:
155 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
156 mac_mem, mem_mac, dfp_mul, fp_cmp.
157 (insn_class, dfp_comp, any_fp_comp): Update.
158 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
159 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
160 (muldf3_i): Likewise.
161 (movsi_i): Split rI08 alternative into two separate alternatives.
163 (movsi_ie, movsi_i_lowpart): Likewise.
164 (movqi_i): Split ri alternative into two separate alternatives.
166 * sh1.md (sh1_load_store, sh1_fp): Update.
167 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
168 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
169 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
170 (sh4a_fp_double_arith): Likewise.
171 * sh4-300.md: New file.
172 * sh.c (sh_handle_option): Handle m4-300* options.
173 (sh_adjust_cost): Fix latency of auto-increments.
174 Handle SH4-300 differently than other SH4s. Check for new insn types.
175 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
176 been set by an option.
177 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
178 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
179 (mbranch-cost=): Likewise.
180 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
182 * sh.md (mulsf3): Remove special expansion code.
183 (mulsf3_ie): Now a define_insn_and_split.
184 (macsf3): Allow for TARGET_SH4.
186 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
187 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
188 (expand_cbranchdi4): Likewise.
189 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
190 CONST_DOUBLE if the outer code is COMPARE.
191 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
192 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
193 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
194 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
195 Remove redundant fp_{zero,one}_operand checks.
196 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
197 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
198 (expand_cbranchdi4): Likewise.
199 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
200 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
202 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
204 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
207 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
209 * doc/invoke.texi: Fix mfp-trap-mode typo.
211 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
213 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
214 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
215 file_end_indicate_exec_stack.
216 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
218 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
219 for a non-executable stack.
220 * crti.asm: Likewise.
221 * crtn.asm: Likewise.
222 * libunwind.S: Likewise.
224 2006-11-02 Ben Elliston <bje@au.ibm.com>
226 * tree-ssa.c (warn_uninit): Use expand_location variables for
227 locus and declaration locus.
229 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
232 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
233 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
234 cmp{eq,gt,gtu}{si,di}_media.
235 (*cmpne0si_media): Remove.
236 (*movsicc_umin): Adjust gen_cmp*_media call.
237 (unordered): Change the mode of unordered and operands[1] to
239 (seq): Adjust gen_cmp*_media calls. Make the mode of
240 a temporary result of compare SImode if needed. If the mode
241 of operands[0] is DImode, extend the temporary result to DImode.
242 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
243 (sunorderd): Change the mode of match_operand and unorderd to
245 (cmpeq{sf,df}_media): Remove.
246 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
247 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
248 and compare operation to SImode.
250 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
252 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
254 (sparc64-sun-solaris2*): Likewise.
256 2006-11-02 Paul Brook <paul@codesourcery.com>
258 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
259 from priority argument. Use different section for non-default
261 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
263 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
266 * except.c (switch_to_exception_section): Do not cache the section
267 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
268 and flag_function_sections is set.
270 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
273 * builtins.c (do_mpfr_sincos): New.
274 (fold_builtin_1): Use it to fold builtin sincos.
276 2006-11-01 Roger Sayle <roger@eyesopen.com>
278 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
279 it into -D_REENTRANT.
281 2006-11-01 Roger Sayle <roger@eyesopen.com>
283 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
284 whether the assembler supports taking the difference of symbols in
285 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
286 * configure: Regenerate.
287 * config.in: Regenerate.
288 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
289 the assembler doesn't support taking the difference of symbols in
290 different sections, i.e. we're using the native solaris assembler.
292 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
293 Peter Bergner <bergner@vnet.ibm.com>
295 * doc/invoke.texi: Add cpu_type power6x
296 (RS/6000 and PowerPC Options): Add -mmfpgpr.
297 * config.gcc: Add cpu_type power6x.
298 * configure.ac: Add test for mf{t,f}gpr instructions.
299 (HAVE_AS_MFPGPR): New.
300 * config.in: Regenerate.
301 * configure: Regenerate.
302 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
303 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
304 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
305 and mftgpr attributes.
306 (define_attr "cpu"): Add power6.
307 Change instruction sequences to use new attributes.
308 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
309 (fix_truncdfsi2_mfpgpr): New.
310 (floatsidf_ppc64_mfpgpr): New.
311 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
312 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
313 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
314 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
315 (fix_truncdfsi2): Use gpc_reg_operand constraint.
316 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
317 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
318 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
319 cntlz,exts and var_delayed_compare.
320 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
321 _ARCH_PWR6X, if features enabled.
322 * config/rs6000/rs6000.opt (mmfpgpr): New.
323 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
324 (cached_can_issue_more): New variable.
325 (processor_costs): Add power6_cost.
326 (rs6000_sched_init): New function.
327 (is_dispatch_slot_restricted): Deleted.
328 (set_to_load_agen): New function.
329 (is_load_insn,is_store_insn): New functions.
330 (adjacent_mem_locations): New function.
331 (insn_must_be_first_in_group): New function.
332 (insn_must_be_last_in_group): New function.
333 (rs6000_sched_reorder): New function.
334 (rs6000_sched_reorder2): New function.
335 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
336 TARGET_SCHED_REORDER2): Define.
337 (processor_target_table): Use PROCESSOR_POWER6 for power6.
338 Add power6x. Add MASK_MFPGPR for power6x.
339 (POWERPC_MASKS): Add MASK_MFPGPR.
340 (rs6000_override_options): Set rs6000_always_hint to false
341 for power6. Set rs6000_align_branch_targets. Replace
342 rs6000_sched_groups check with rs6000_align_branch_targets.
343 Use PROCESSOR_POWER6.
344 (last_scheduled_insn): New variable.
345 (load_store_pendulum): New variable.
346 (rs6000_variable_issue): Set last_scheduled_insn and
347 cached_can_issue_more.
348 (rs6000_adjust_cost): Add power6 cost adjustments.
349 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
350 with insn_must_be_first_in_group. Add power6 priority adjustments.
351 (rs6000_issue_rate): Add CPU_POWER6.
352 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
353 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
354 (TARGET_MFPGPR): New.
355 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
356 (ASM_CPU_SPEC): Add power6x.
357 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
359 * config/rs6000/power6.md: New file.
361 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
363 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
364 HOST_WIDE_INT_PRINT to print high and low parts. Use
365 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
366 printing a hexadecimal number prefix it with 0x.
368 2006-11-01 Chris Johns <chris@contemporary.net.au>
371 * Makefile.in (install-driver): Use exeext when installing
372 $target-gcc-$version.
374 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
376 * c-common.c (flag_cpp0x): New.
377 * c-common.h (flag_cpp0x): New.
378 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
379 supported, define __GXX_EXPERIMENTAL_CPP0X__.
380 * c-opts.c (set_std_cxx0x): New.
381 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
382 * c.opt (std=c++0x): Document.
383 (std=gnu++0x): Ditto.
384 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
385 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
387 2006-11-01 Richard Guenther <rguenther@suse.de>
389 * config/i386/i386.c (ix86_expand_rint): Fix issues with
391 (ix86_expand_floorceildf_32): Likewise.
392 (ix86_expand_floorceil): Likewise.
393 (ix86_expand_trunc): Likewise.
395 2006-10-31 Andrew Pinski <pinskia@gmail.com>
397 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
400 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
402 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
404 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
406 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
408 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
409 * configure.ac (use_cxa_atexit): As a special case, don't test
410 for libc definition of __cxa_atexit on mingw32
411 * configure: Regenerate.
412 * config.gcc (i[34567]86-pc-mingw32): Default to
413 enable__cxa_atexit=yes.
415 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
417 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
419 2006-10-31 Geoffrey Keating <geoffk@apple.com>
422 * c-decl.c (start_struct): Don't create self-containing
424 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
426 * config/rs6000/rs6000-protos.h
427 (darwin_rs6000_special_round_type_align): New.
428 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
429 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
431 2006-10-31 Geoffrey Keating <geoffk@apple.com>
433 * toplev.c (compile_file): Call final_write_globals
434 even if there have been errors.
436 2006-10-31 Eric Christopher <echristo@apple.com>
437 Falk Hueffner <falk@debian.org>
439 * doc/extend.texi (__builtin_bswap32): Document.
440 (__builtin_bswap64): Ditto.
441 * doc/libgcc.texi (bswapsi2): Document.
443 * doc/rtl.texi (bswap): Document.
444 * optabs.c (expand_unop): Don't widen a bswap.
445 (init_optabs): Init bswap. Set libfuncs explicitly
446 for bswapsi2 and bswapdi2.
447 * optabs.h (OTI_bswap): New.
448 (bswap_optab): Ditto.
449 * genopinit.c (optabs): Handle bswap_optab.
450 * tree.h (tree_index): Add TI_UINT32_TYPE and
452 (uint32_type_node): New.
453 (uint64_type_node): Ditto.
454 * tree.c (build_common_tree_nodes_2): Initialize
455 uint32_type_node and uint64_type_node.
456 * builtins.c (expand_builtin_bswap): New.
457 (expand_builtin): Call.
458 (fold_builtin_bswap): New.
459 (fold_builtin_1): Call.
460 * fold-const.c (tree_expr_nonnegative_p): Return true
462 * builtin-types.def (BT_UINT32): New.
464 (BT_FN_UINT32_UINT32): Ditto.
465 (BT_FN_UINT64_UINT64): Ditto.
466 * builtins.def (BUILT_IN_BSWAP32): New.
467 (BUILT_IN_BSWAP64): Ditto.
468 * rtl.def (BSWAP): New.
469 * genattrtab.c (check_attr_value): New.
470 * libgcc2.c (__bswapSI2): New.
472 * libgcc2.h (__bswapSI2): Declare.
474 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
475 * simplify-rtx.c (simplify_const_unary_operation): Return
477 * libgcc-std.ver (__bwapsi2): Add.
479 * reload1.c (eliminate_regs_1): Add bswap.
480 (elimination_effects): Ditto.
481 * config/i386/i386.h (x86_bswap): New.
483 * config/i386/i386.c (x86_bswap): Set.
485 2006-10-31 Geoffrey Keating <geoffk@apple.com>
487 * coverage.c (coverage_checksum_string): Update comment.
488 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
489 of get_file_function_name.
490 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
491 of get_file_function_name_long.
492 * tree.c (get_file_function_name): Rename from
493 get_file_function_name_long; improve comment; handle 'I' and 'D'
494 specially when the target has ctor/dtor support; remove special
496 (get_file_function_name): Remove.
497 * tree.h (get_file_function_name): Rename from
498 get_file_function_name_long.
499 (get_file_function_name): Remove prototype.
501 2006-10-31 Geoffrey Keating <geoffk@apple.com>
503 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
504 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
506 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
507 Call dsymutil when compiling and linking one or more source files
510 2006-10-31 Geoffrey Keating <geoffk@apple.com>
513 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
515 2006-10-31 Geoffrey Keating <geoffk@apple.com>
517 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
518 inline static functions in c99 mode.
521 * doc/extend.texi (Inline): Update.
522 * c-tree.h (struct language_function): Remove field 'extern_inline'.
523 * c-decl.c (current_extern_inline): Delete.
524 (pop_scope): Adjust test for an undefined nested function.
525 Add warning about undeclared inline function.
526 (diagnose_mismatched_decls): Update comments. Disallow overriding
527 of inline functions in a translation unit in C99. Allow inline
528 declarations in C99 at any time.
529 (merge_decls): Boolize variables. Handle C99 'extern inline'
531 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
532 C99 inline semantics.
533 (start_function): Don't clear current_extern_inline. Don't set
535 (c_push_function_context): Don't push current_extern_inline.
536 (c_pop_function_context): Don't restore current_extern_inline.
539 * c-typeck.c (build_external_ref): Warn about static variables
540 used in extern inline functions.
541 * c-decl.c (start_decl): Warn about static variables declared
542 in extern inline functions.
544 2006-10-31 Roger Sayle <roger@eyesopen.com>
547 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
548 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
549 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
550 or y is an even integer.
552 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
555 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
556 * gthr-posix95.h (__gthread_active_p): Likewise.
558 2006-10-31 Richard Guenther <rguenther@suse.de>
560 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
561 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
562 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
563 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
564 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
565 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
566 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
567 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
570 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
572 * opts.c (decode_options): Disable CSE skip blocks.
574 2006-10-30 Dirk Mueller <dmueller@suse.de>
576 * c-common.h (strict_aliasing_warning): Fix whitespace.
577 * c-decl (start_function): Move code for main decl warning ..
578 * c-common.c (check_main_parameter_types): .. here.
579 * c-common.h (check_main_parameter_types): Declare.
581 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
584 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
586 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
588 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
589 be a PARALLEL containing sets. Return false when out_pat is not
592 2006-10-30 Richard Sandiford <richard@codesourcery.com>
594 * config/mips/mips.md (mul<mode>3): Split into...
595 (mulsi3, muldi3): ...these separate patterns.
597 2006-10-30 Richard Sandiford <richard@codesourcery.com>
599 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
600 but with each set of options separated by spaces.
602 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
604 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
605 dwarf_reg_size_table has been initialized.
607 2006-10-30 Roger Sayle <roger@eyesopen.com>
609 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
610 * ddg.c (print_ddg_edge): Likewise.
611 * dwarf2out.c (prune_unused_types_walk): Likewise.
612 * ifcvt.c (noce_try_cmove_arith): Likewise.
613 * langhooks.c (add_builtin_function): Likewise.
614 * reg-stack.c (subst_stack_regs_pat): Likewise.
615 * tree.c (expanded_location): Likewise.
616 * tree-dump.c (dequeue_and_dump): Likewise.
618 2006-10-30 David Daney <ddaney@avtrex.com>
620 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
622 2006-10-30 Jakub Jelinek <jakub@redhat.com>
624 PR tree-optimization/29637
625 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
626 of the innertype is the innertype itself.
628 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
630 * dwarf2out.c (file_name_acquire): Correct typo.
632 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
634 * tree.h (tree_value_handle): Remove struct value_set declaration.
635 Change value_set to bitmap_set.
636 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
637 * tree-vn.c (get_value_handle): Made inline and moved to
639 * tree-flow-inline.h: (has_stmt_ann): New function.
640 * tree-ssa-pre.c (expressions): New variable.
641 (next_expression_id): Ditto.
642 (alloc_expression_id): New function.
643 (struct value_set): Remove.
644 (get_expression_id): New function.
645 (get_or_alloc_expression_id): Ditto.
646 (expression_for_id): Ditto.
647 (clear_expression_ids): Ditto.
648 (FOR_EACH_EXPR_ID_IN_SET): New macro.
649 (bb_value_sets): Renamed to bb_bitmap_sets.
650 All value sets replaced with bitmap_sets.
652 (BB_VISITED): New macro.
653 (postorder): New variable.
654 (add_to_value): Removed.
655 (value_exists_in_set_bitmap): Ditto.
656 (value_insert_into_set_bitmap): Ditto.
660 (set_contains_value): Ditto.
661 (insert_into_set): Ditto.
663 (find_leader): Ditto.
664 (bitmap_set_subtract_from_value_set): Ditto.
665 (value_insert_into_set): Ditto.
666 (print_value_set): Ditto.
667 (debug_value_set): Ditto.
668 (constant_expr_p): New function.
669 (bitmap_remove_from_set): Ditto.
670 (bitmap_insert_into_set): Ditto.
671 (bitmap_set_free): Ditto.
673 (sorted_array_from_bitmap_set): Ditto.
674 (bitmap_set_subtract): Ditto.
675 (bitmap_set_equal): Ditto.
676 (debug_bitmap_set): Ditto.
677 (find_leader_in_sets): Ditto.
678 (bitmap_set_replace_value): Modify for bitmapped sets.
679 (phi_translate): Ditto.
680 (phi_translate_set): Ditto.
681 (bitmap_find_leader): Ditto.
682 (valid_in_sets): Ditto.
683 (union_contains_value): Ditto.
685 (compute_antic_aux): Ditto. Mark changed blocks.
686 (compute_antic): Ditto. Iterate in postorder and only over
688 (compute_rvuse_and_antic_safe): Reuse postorder.
689 (create_component_ref_by_pieces): Modify for bitmapped sets.
690 (find_or_generate_expression): Ditto.
691 (create_expression_by_pieces): Ditto.
692 (insert_into_preds_of_block): Ditto.
693 (changed_blocks): New variable.
694 (do_regular_insertion): Broken out from insert_aux.
695 (insert_aux): Modified for bitmapped sets.
696 (find_existing_value_expr): New function.
697 (create_value_expr_from): Use it.
698 (insert_extra_phis): Removed.
699 (print_bitmap_set): Renamed from bitmap_print_value_set.
700 (compute_avail): Handle RETURN_EXPR.
701 (init_pre): Modify for bitmapped sets.
702 * tree-flow.h (has_stmt_ann): New function.
704 2006-10-29 Roger Sayle <roger@eyesopen.com>
706 * builtins.c (fold_builtin_floor): Check for the availability of
707 the C99 trunc function before transforming floor into trunc.
709 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
711 * builtins.c (fold_builtin_hypot): Rearrange recursive
712 transformation before others, and also do ABS_EXPR. When
713 necessary, check flag_unsafe_math_optimizations. When necessary,
716 2006-10-29 Roger Sayle <roger@eyesopen.com>
718 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
719 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
720 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
721 Fold -X eq/ne -Y as X eq/ne Y.
723 2006-10-29 Richard Sandiford <richard@codesourcery.com>
725 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
726 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
727 rather than GENERATE_MULT3_SI in the various define_peephole2s.
728 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
729 Use an inclusive test for "mult" rather than "mul".
730 (rotr<mode>3): Depend on ISA_HAS_ROR.
731 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
733 (GENERATE_MULT3_DI): Delete.
734 (ISA_HAS_64BIT_REGS): Use consistent formatting.
735 (ISA_HAS_MUL3): New macro.
736 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
737 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
738 (ISA_HAS_CLZ_CLO): Likewise.
739 (ISA_HAS_DCLZ_DCLO): Delete.
740 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
741 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
742 the VR4120 and VR4130.
743 (ISA_HAS_MACCHI): Use consistent formatting.
744 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
745 (ISA_HAS_ROR): ...this new macro.
746 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
747 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
748 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
750 2006-10-29 Roger Sayle <roger@eyesopen.com>
752 PR tree-optimization/15458
753 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
756 2006-10-29 Richard Guenther <rguenther@suse.de>
758 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
759 (ix86_expand_truncdf_32): Likewise.
760 * config/i386/i386.c (ix86_expand_trunc): New function expanding
761 trunc inline for SSE math and -fno-trapping-math and if not
763 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
764 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
765 for expanding btrunc inline for SSE math.
767 2006-10-29 Joseph Myers <joseph@codesourcery.com>
769 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
770 Handle tuning for bi-arch i[34567]86-*-linux* like that for
771 i[34567]86-*-solaris2.1[0-9]*.
772 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
773 Define conditionally depending on TARGET_64BIT_DEFAULT.
774 (SPEC_32, SPEC_64): Define.
775 (LINK_SPEC): Use them.
776 * doc/install.texi (--enable-targets=all): Document for x86-linux.
778 2006-10-29 Richard Guenther <rguenther@suse.de>
780 * config/i386/i386-protos.h (ix86_expand_round): Declare.
781 (ix86_expand_rounddf_32): Likewise.
782 * config/i386/i386.c (ix86_expand_round): New function expanding
783 round inline for SSE math and -fno-trapping-math and if not
785 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
786 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
787 round via ix86_expand_round.
789 2006-10-29 Richard Guenther <rguenther@suse.de>
791 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
792 (ix86_expand_floorceildf_32): Likewise.
793 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
794 static helper function.
795 (ix86_expand_floorceil): Expander for floor and ceil to SSE
797 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
798 * config/i386/i386.md (floordf2): Adjust to enable floor
799 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
800 -fno-trapping-math is enabled and if not optimizing for size.
801 (floorsf2, ceildf2, ceilsf2): Likewise.
802 * config/i386/sse.md (sse_maskcmpsf3): New insn.
803 (sse2_maskcmpdf3): Likewise.
805 2006-10-29 Richard Guenther <rguenther@suse.de>
807 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
808 rint in case -fno-trapping-math is enabled.
809 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
810 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
811 (ix86_expand_sse_fabs): Likewise.
812 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
813 * config/i386/i386.md (rintdf2): Enable for SSE math if
814 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
817 2006-10-29 Richard Guenther <rguenther@suse.de>
819 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
820 to conversion optabs.
821 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
823 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
824 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
825 (lfloor_optab, lceil_optab): Adjust defines.
826 * builtins.c (expand_builtin_int_roundingfn): Adjust for
827 lfloor and lceil optabs now being conversion optabs.
828 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
829 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
830 New static helper function.
831 (ix86_expand_lfloorceil): New function to expand lfloor and
833 * config/i386/i386.md (lfloor<mode>2): Split into ...
834 (lfloorxf<mode>2): ... x87 variant
835 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
836 using ix86_expand_lfloorceil.
837 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
839 * doc/md.texi (lfloorMN, lceilMN): Document.
841 2006-10-29 Richard Sandiford <richard@codesourcery.com>
843 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
844 -mno-shared assembler option on mips targets.
845 * configure, config.in: Regenerate.
846 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
847 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
848 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
850 2006-10-29 Richard Sandiford <richard@codesourcery.com>
852 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
853 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
855 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
857 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
858 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
861 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
864 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
865 (fold_builtin_pow): Evaluate constant arguments at compile-time
867 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
868 (do_mpfr_ckconv): New helper function.
869 (do_mpfr_arg1): Use do_mpfr_ckconv.
872 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
875 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
876 (-fdump-rtl-sched): Rename to ..
877 (-fdump-rtl-sched1): here. Also fix file extension number.
879 2006-10-28 Richard Guenther <rguenther@suse.de>
881 * fold-const.c (maybe_canonicalize_comparison): Fix code
884 2006-10-28 Uros Bizjak <uros@kss-loka.si>
886 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
887 (NON_QI_REG_P): Use IN_RANGE.
888 (REX_INT_REGNO_P): Use IN_RANGE.
889 (FP_REGNO_P): Use IN_RANGE.
890 (SSE_REGNO_P): Use IN_RANGE.
891 (REX_SSE_REGNO_P): Use IN_RANGE.
892 (MMX_REGNO_P): Use IN_RANGE.
893 (STACK_REGNO_P): New macro.
894 (STACK_REG_P): Use STACK_REGNO_P.
895 (NON_STACK_REG_P): Use STACK_REGNO_P.
896 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
897 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
898 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
899 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
900 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
902 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
904 * except.h (output_function_exception_table): Add 'const char*' param.
905 * except.c (switch_to_exception_section): Add 'const char*' param.
906 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
907 and flag_function_sections is set, use a function-specific section.
908 (output_function_exception_table): Add 'const char*' param.
909 Adjust call to switch_to_exception_section.
910 * final.c (rest_of_handle_final): Adjust calls to
911 output_function_exception_table.
912 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
913 * config.in: Regenerate.
914 * configure: Likewise.
916 2006-10-28 Richard Guenther <rguenther@suse.de>
919 * fold-const.c (maybe_canonicalize_comparison_1): Helper
920 for maybe_canonicalize_comparison.
921 (maybe_canonicalize_comparison): New function for canonicalizing
923 (fold_comparison): Call it to canonicalize comparisons with
926 2006-10-28 Richard Guenther <rguenther@suse.de>
929 * builtins.c (expand_builtin_int_roundingfn_2): Expand
930 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
931 (expand_builtin): Adjust likewise.
932 * genopinit.c (optabs[]): Add lround optab.
933 * optabs.c (init_optabs): Initialize lround_optab.
934 * optabs.h (enum convert_optab_index): Add COI_lround.
935 (lround_optab): Define.
936 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
937 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
939 (ix86_expand_lround): New function.
940 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
942 * doc/md.texi (lroundMN2): Document.
944 2006-10-28 Uros Bizjak <uros@kss-loka.si>
947 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
948 argument to HOST_WIDE_INT. Update function prototype.
949 (round_frame_size): Change return type to HOST_WIDE_INT. Change
950 "size" argument to HOST_WIDE_INT. Update function prototype.
952 2006-10-28 Uros Bizjak <uros@kss-loka.si>
954 * config/i386/i386.c (output_387_ffreep): Create output from a
955 template string for !HAVE_AS_IX86_FFREEP.
957 2006-10-27 Eric Christopher <echristo@apple.com>
959 * config/darwin.c: Fix formatting and grammar.
961 2006-10-27 Jan Hubicka <jh@suse.cz>
963 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
964 to be thrown away soon when IGNORE is set.
965 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
966 indicating when return value shall not be computed.
967 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
969 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
971 * config/i386/i386.h (TARGET_GEODE):
972 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
973 (TARGET_CPU_DEFAULT_geode): New macro.
974 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
975 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
976 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
977 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
978 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
980 (TARGET_CPU_DEFAULT_NAMES): Add geode.
981 (processor_type): Add PROCESSOR_GEODE.
983 * config/i386/i386.md: Include geode.md.
986 * config/i386/i386.c (geode_cost): New initialized global
988 (m_GEODE, m_K6_GEODE): New macros.
989 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
990 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
991 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
992 x86_schedule): Use m_K6_GEODE instead of m_K6.
993 (x86_movx, x86_cmove): Set up m_GEODE.
994 (x86_integer_DFmode_moves): Clear m_GEODE.
995 (processor_target_table): Add entry for geode.
996 (processor_alias_table): Ditto.
998 * config/i386/geode.md: New file.
1000 * doc/invoke.texi: Add entry about geode processor.
1002 2006-10-27 Mike Stump <mrs@apple.com>
1004 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1005 __DYNAMIC__ from here back to ...
1006 * config/darwin.h (CPP_SPEC): ... here.
1008 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1009 Nathan Sidwell <nathan@codesourcery.com>
1011 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1012 when choosing the minimum heapsize.
1014 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1016 * gcc/unwind-dw2.h: Move cfa-related variables into
1017 struct frame_state_reg_info to ensure that the CFA is properly
1018 handled when executing DW_CFA_{remember,restore}_state.
1019 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1020 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1021 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1022 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1023 gcc/config/rs6000/linux-unwind.h,
1024 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1025 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1026 Modify to use new cfa_* fields.
1028 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1030 * config/s390/s390.c (s390_init_frame_layout): Check positive
1033 2006-10-26 Ben Elliston <bje@au.ibm.com>
1035 * gimplify.c (get_name): Remove extraneous break.
1036 (gimplify_omp_for): Initialise ret with GS_OK.
1038 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1040 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1041 Add unix98.o to link line.
1043 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1047 Calculate compile-time constants using MPFR.
1048 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1049 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1051 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1053 * config/xtensa/lib2funcs.S: Use C-style comments.
1055 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1057 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1058 (file_table_relative_p): Likewise.
1059 (dwarf2out_finish): Likewise.
1060 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1062 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1064 * tree-ssa-structalias.c (intra_create_variable_infos):
1065 Don't recreate nonlocal_all if it already exists.
1067 2006-10-25 Richard Guenther <rguenther@suse.de>
1070 * optabs.h (enum optab_index): Remove OTI_lrint.
1071 (enum convert_optab_index): Add COI_lrint.
1072 (lrint_optab): Adjust.
1073 (expand_sfix_optab): Declare.
1074 * optabs.c (expand_sfix_optab): New function.
1075 (init_optabs): Init lrint_optab as conversion optab.
1076 * genopinit.c (lrint_optab): Change to a conversion optab.
1077 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1078 expansion via conversion optab.
1079 * config/i386/i386.md (*fistdi2_1): Remove
1080 flag_unsafe_math_optimizations guard.
1081 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1082 fist<mode>2_with_temp): Likewise.
1083 (lrint<mode>2): Split into...
1084 (lrintxf<mode>2): ... x87 part
1085 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1086 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1087 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1088 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1089 * doc/md.texi (lrintMN2): Document.
1091 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1094 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1095 Use inc and dec instructions for TARGET_USE_INCDEC.
1096 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1097 ("sync_double_compare_and_swap<mode>"): Likewise.
1098 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1099 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1100 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1101 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1102 ("sync_old_add<mode>"): Likewise.
1103 ("sync_lock_test_and_set<mode>"): Likewise.
1104 ("sync_lock_test_and_set<mode>"): Likewise.
1105 ("sync_add<mode>"): Likewise.
1106 ("sync_sub<mode>"): Likewise.
1107 ("sync_ior<mode>"): Likewise.
1108 ("sync_and<mode>"): Likewise.
1109 ("sync_xor<mode>"): Likewise.
1111 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1113 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1114 (remainder_optab): Define corresponding macro.
1115 (drem_optab): Remove.
1116 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1117 drem_optab initialization.
1118 * genopinit.c (optabs): Implement remainder_optab using
1119 remainder?f3 patterns. Remove drem_optab.
1120 * builtins.c (expand_builtin_mathfn_2): Handle
1121 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1122 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1123 expand_builtin_mathfn_2.
1125 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1126 depend on flag_unsafe_math_optimizations.
1128 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1129 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1130 Do not depend on flag_unsafe_math_optimizations. Use
1131 truncxf?f expander instead of truncxf?f_i387_noop.
1133 ("fpremxf4", "fprem1xf4"): Do not depend on
1134 flag_unsafe_math_optimizations.
1135 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1136 flag_unsafe_math_optimizations. Use truncxf?f expander
1137 instead of truncxf?f_i387_noop.
1139 * doc/md.texi (fmod, remainder): Document standard named pattern.
1141 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1142 David Daney <ddaney@avtrex.com>
1145 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1147 2006-10-25 Ben Elliston <bje@au.ibm.com>
1149 * doc/extend.texi (Variable Attributes): Typo fix.
1151 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1153 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1154 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1155 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1156 (FRAME_POINTER_REGNUM): Update register number to 21.
1157 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1158 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1160 * config/i386/i386.c (regclass_map): Add fpcr entry.
1161 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1163 (print_reg): Assert REGNO (x) != FPCR_REG.
1165 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1166 (DIRFLAG_REG): Renumber.
1167 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1168 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1169 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1170 hardcoded SSE register numbers.
1172 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1173 hardcoded MMX register numbers.
1175 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1178 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1179 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1181 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1182 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1183 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1184 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1186 2006-10-24 Richard Guenther <rguenther@suse.de>
1189 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1190 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1191 for deciding optimizations in consistency with fold-const.c
1192 (fold_builtin_unordered_cmp): Likewise.
1194 2006-10-24 Richard Guenther <rguenther@suse.de>
1196 * builtins.c (fold_builtin_floor): Fold floor (x) where
1197 x is nonnegative to trunc (x).
1198 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1199 nonnegative to FIX_TRUNC_EXPR.
1201 2006-10-24 Richard Guenther <rguenther@suse.de>
1203 PR tree-optimization/29567
1204 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1205 for TRUTH_NOT_EXPR. Clarify comments.
1207 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1210 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1211 at compile-time using MPFR. Change parameter VALUE to FUNC,
1213 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1214 for overflow and underflow at all times and avoid folding in
1217 2006-10-24 Ben Elliston <bje@au.ibm.com>
1219 * reload1.c: Formatting fixes.
1221 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1223 PR tree-optimization/14784
1224 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1225 * tree-ssa-structalias.c (get_constraint_for,
1226 intra_create_variable_infos): Set is_heapvar.
1227 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1228 non-heapvar pointer variables specially.
1230 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1233 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1234 fold_builtin_tan): Fold all constant arguments. Take a "type"
1235 argument as necessary.
1236 (do_mpfr_arg1): New.
1237 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1239 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1241 * config/xtensa/lib1funcs.asm: Use C-style comments.
1243 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1245 * tree.c (local_define_builtin): Replace calls to
1246 lang_hooks.builtin_function with add_builtin_function.
1247 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1249 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1251 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1252 common code to add_builtin_function.
1253 * langhooks.c (add_builtin_function): New function.
1254 (lhd_builtin_function): New function.
1255 * langhooks.h (struct lang_hooks): Change the signature of
1257 (add_builtin_function): New function.
1258 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1259 calls to lang_hooks.builtin_function with add_builtin_function.
1260 * c-common.c (decl_builtin_1): Replace calls to
1261 lang_hooks.builtin_function with add_builtin_function.
1262 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1263 lang_hooks.builtin_function with add_builtin_function.
1264 * config/frv/frv.c (def_builtin): Replace calls to
1265 lang_hooks.builtin_function with add_builtin_function.
1266 * config/s390/s390.c (s390_init_builtins): Replace calls to
1267 lang_hooks.builtin_function with add_builtin_function.
1268 * config/sparc/sparc.c (def_builtin): Replace calls to
1269 lang_hooks.builtin_function with add_builtin_function.
1270 * config/i386/i386.c (def_builtin): Replace calls to
1271 lang_hooks.builtin_function with add_builtin_function.
1272 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1273 lang_hooks.builtin_function with add_builtin_function.
1274 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1275 lang_hooks.builtin_function with add_builtin_function.
1276 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1277 Replace calls to lang_hooks.builtin_function with
1278 add_builtin_function.
1279 * config/iq2000/iq2000.c (def_builtin):
1280 Replace calls to lang_hooks.builtin_function with
1281 add_builtin_function.
1282 * config/ia64/ia64.c (def_builtin): Replace calls to
1283 lang_hooks.builtin_function with add_builtin_function.
1284 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1285 lang_hooks.builtin_function with add_builtin_function.
1286 (altivec_init_builtins): Replace calls to
1287 lang_hooks.builtin_function with add_builtin_function.
1288 * config/arm/arm.c (def_mbuiltin): Replace calls to
1289 lang_hooks.builtin_function with add_builtin_function.
1290 (arm_init_tls_builtins): Replace calls to
1291 lang_hooks.builtin_function with add_builtin_function.
1292 * config/mips/mips.c (mips_init_builtins): Replace calls to
1293 lang_hooks.builtin_function with add_builtin_function.
1294 * config/bfin/bfin.c (def_builtin): Replace calls to
1295 lang_hooks.builtin_function with add_builtin_function.
1296 * langhooks-def.h (lhd_builtin_function): New function.
1297 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1299 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1301 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1302 BUILT_IN_STRNCAT_CHK.
1304 2006-10-23 Jan Hubicka <jh@suse.cz>
1306 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1307 don't do conversion from memmove to memcpy here.
1308 (expand_builtin_bcopy, expand_builtin): Update call of
1309 expand_builtin_memmove.
1310 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1312 2006-10-23 Paul Brook <paul@codesourcery.com>
1314 * stor-layout.c (start_record_layout): maximum_field_alignment
1315 overrides STRUCTURE_SIZE_BOUNDARY.
1317 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1319 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1320 nonlocal function symbols if flag_pic.
1322 2006-10-23 Richard Guenther <rguenther@suse.de>
1326 * builtins.c (fold_binary): Remove checks for flag_wrapv
1327 and flag_trapv where negate_expr_p covers these cases.
1329 2006-10-23 Richard Guenther <rguenther@suse.de>
1332 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1333 of two on the absolute value.
1334 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1335 and negating -C does not overflow.
1337 2006-10-23 Richard Guenther <rguenther@suse.de>
1340 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1341 only if not flag_rounding_math.
1343 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1344 Kaz Kojima <kkojima@gcc.gnu.org>
1347 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1348 SImode memory reference for the source of a movua.
1349 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1350 (movua): Use an unspec instead of sign_extract. Expect the source
1351 to have mode BLKmode.
1352 (extv, insv): Use a BLKmode rather than SImode memory reference
1353 for the source of a movua.
1355 2006-10-22 Jeff Law <law@redhat.com>
1356 Richard Guenther <rguenther@suse.de>
1358 PR tree-optimization/15911
1359 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1360 (register_edge_assert_for_1): Likewise.
1361 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1362 (find_conditional_asserts): Adjust for new function signature.
1363 (find_assert_locations): Likewise.
1365 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1367 * config/i386/tmmintrin.h: Remove the duplicated content.
1369 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1371 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1372 (x86_64-*-*): Likewise.
1374 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1375 (override_options): Check SSSE3.
1376 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1377 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1378 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1379 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1380 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1381 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1382 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1383 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1384 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1385 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1386 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1387 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1388 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1389 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1390 IX86_BUILTIN_PABSD128.
1391 (bdesc_2arg): Add SSSE3.
1392 (bdesc_1arg): Likewise.
1393 (ix86_init_mmx_sse_builtins): Support SSSE3.
1394 (ix86_expand_builtin): Likewise.
1395 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1397 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1398 (UNSPEC_PSIGN): Likewise.
1399 (UNSPEC_PALIGNR): Likewise.
1400 Include mmx.md before sse.md.
1402 * config/i386/i386.opt: Add -mssse3.
1404 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1405 (ssse3_phaddwv4hi3): Likewise.
1406 (ssse3_phadddv4si3): Likewise.
1407 (ssse3_phadddv2si3): Likewise.
1408 (ssse3_phaddswv8hi3): Likewise.
1409 (ssse3_phaddswv4hi3): Likewise.
1410 (ssse3_phsubwv8hi3): Likewise.
1411 (ssse3_phsubwv4hi3): Likewise.
1412 (ssse3_phsubdv4si3): Likewise.
1413 (ssse3_phsubdv2si3): Likewise.
1414 (ssse3_phsubswv8hi3): Likewise.
1415 (ssse3_phsubswv4hi3): Likewise.
1416 (ssse3_pmaddubswv8hi3): Likewise.
1417 (ssse3_pmaddubswv4hi3): Likewise.
1418 (ssse3_pmulhrswv8hi3): Likewise.
1419 (ssse3_pmulhrswv4hi3): Likewise.
1420 (ssse3_pshufbv16qi3): Likewise.
1421 (ssse3_pshufbv8qi3): Likewise.
1422 (ssse3_psign<mode>3): Likewise.
1423 (ssse3_psign<mode>3): Likewise.
1424 (ssse3_palignrti): Likewise.
1425 (ssse3_palignrdi): Likewise.
1426 (abs<mode>2): Likewise.
1427 (abs<mode>2): Likewise.
1429 * config/i386/tmmintrin.h: New file.
1431 * doc/extend.texi: Document SSSE3 built-in functions.
1433 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1435 2006-10-22 Ira Rosen <irar@il.ibm.com>
1437 * tree-vect-transform.c (vectorizable_load): Use the type of the
1438 return value of the mask_for_load builtin to create realign_load
1441 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1443 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1446 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1448 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1449 (UNSPEC_LDDQU): This.
1450 * config/i386/sse.md (sse3_lddqu): Updated.
1452 2006-10-21 Richard Guenther <rguenther@suse.de>
1454 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1455 (expand_builtin): Use it to expand lrint instead of
1456 expand_builtin_mathfn.
1458 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1461 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1462 flag_unsafe_math_optimizations is set.
1464 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1467 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1468 patterns to use memory input operand in x87->mem->XMM
1469 reload sequences. Skip transformation for TARGET_K8.
1471 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1473 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1474 force operand1 to register if both operands are memory operands.
1475 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1476 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1477 if both operands are memory operands.
1478 (truncdfsf2): Do not force operand1 to register if both operands
1479 are memory operands.
1481 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1483 * Makefile.in (LIBS): Add $(GMPLIBS).
1484 * doc/install.texi: Update GMP and MPFR requirements.
1485 * doc/sourcebuild.texi (need_gmp): Delete.
1487 2006-10-21 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/3511
1490 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1491 got new invariant arguments during PHI translation.
1493 2006-10-21 Richard Guenther <rguenther@suse.de>
1496 * fold-const.c (fold_comparison): Fold signed comparisons
1497 of the form X +- C1 CMP Y +- C2.
1499 2006-10-21 Richard Guenther <rguenther@suse.de>
1502 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1503 if flag_unsafe_math_optimizations is specified. We have
1504 flag_finite_math_only for that.
1505 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1506 or flag_unsafe_math_optimizations.
1508 2006-10-21 Richard Guenther <rguenther@suse.de>
1510 * builtins.c (fold_builtin_classify): Fix typo.
1512 2006-10-21 Richard Guenther <rguenther@suse.de>
1515 * simplify-rtx.c (simplify_const_relational_operation):
1516 Do not constant-fold ORDERED and UNORDERED for
1517 flag_unsafe_math_optimizations but only we do not need to
1518 honor NaNs for the given mode.
1520 2006-10-21 Richard Guenther <rguenther@suse.de>
1523 * config/i386/i386.c (classify_argument): Remove redundant
1524 walking of the BINFOs.
1525 (contains_128bit_aligned_vector_p): Likewise.
1527 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1529 * BASE-VER: Set to 4.3.0.
1531 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1533 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1534 (tree_decl_with_vis): Remove artificial_pta_var flag.
1535 * tree-flow.h (referenced_var_check_and_insert): Expose.
1536 (nonlocal_all): New prototype.
1537 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1538 (nonlocal_all): Make global.
1539 (nonlocal_lookup): Remove.
1540 (nonlocal_insert): Ditto.
1541 (create_nonlocal_var): Do not call nonlocal_insert.
1542 (get_nonlocal_id_for_type): Remove.
1543 (find_global_initializers): Mark new vars we find for renaming.
1544 (intra_create_variable_infos): Only create one nonlocal.
1545 (expand_nonlocal_solutions): Remove.
1546 (compute_points_to_sets): Don't call it.
1547 (ipa_pta_execute): Ditto.
1548 (init_alias_heapvars): Don't create nonlocal_for_type.
1549 (delete_alias_heapvars): Don't remove it.
1550 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1553 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1555 * doc/install.texi (Downloading GCC): Clarify mention of
1556 Fortran in the "full distribution" description.
1558 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1560 Fix PR tree-optimization/28778
1561 Fix PR tree-optimization/29156
1562 Fix PR tree-optimization/29415
1563 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1564 (tree_decl_with_vis): Add artificial_pta_var flag.
1565 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1566 pushed into callers.
1567 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1568 (nonlocal_all): Ditto.
1569 (struct variable_info): Add directly_dereferenced member.
1570 (var_escaped_vars): New variable.
1571 (escaped_vars_tree): Ditto.
1572 (escaped_vars_id): Ditto.
1573 (nonlocal_vars_id): Ditto.
1574 (new_var_info): Set directly_dereferenced.
1575 (graph_size): New variable
1576 (build_constraint_graph): Use graph_size.
1577 (solve_graph): Don't process constraints that cannot change the
1578 solution, don't try to propagate an empty solution to our
1580 (process_constraint): Set directly_dereferenced.
1581 (could_have_pointers): New function.
1582 (get_constraint_for_component_ref): Don't process STRING_CST.
1583 (nonlocal_lookup): New function.
1584 (nonlocal_insert): Ditto.
1585 (create_nonlocal_var): Ditto.
1586 (get_nonlocal_id_for_type): Ditto.
1587 (get_constraint_for): Allow results vector to be empty in the case
1588 of string constants.
1589 Handle results of calls properly.
1590 (update_alias_info): Update alias info stats on number and type of
1592 (find_func_aliases): Use could_have_pointers.
1593 (make_constraint_from_escaped): Renamed from
1594 make_constraint_to_anything, and changed to make constraints from
1596 (make_constraint_to_escaped): New function.
1597 (find_global_initializers): Ditto.
1598 (create_variable_info_for): Make constraint from escaped to any
1599 global variable, and from any global variable to the set of
1601 (intra_create_variable_infos): Deal with escaped instead of
1602 pointing to anything.
1603 (set_uids_in_ptset): Do type pruning on directly dereferenced
1605 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1606 (init_base_vars): Fix comment, and initialize escaped_vars.
1607 (need_to_solve): Removed.
1608 (find_escape_constraints): New function.
1609 (expand_nonlocal_solutions): Ditto.
1610 (compute_points_to_sets): Call find_escape_constraints and
1611 expand_nonlocal_solutions.
1612 (delete_points_to_sets): Don't fall off the end of the graph.
1613 (init_alias_heapvars): Initialize nonlocal_for_type and
1615 (delete_alias_heapvars): Free nonlocal_for_type and null out
1618 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1620 * fold-const.c (add_double): Rename to add_double_with_sign.
1621 Add 'unsigned_p' parameter and take it into account for the overflow.
1622 (mul_double): Rename to mul_double_with_sign.
1623 Add 'unsigned_p' parameter and take it into account for the overflow.
1624 (fold_div_compare): Call add_double_with_sign instead of add_double
1625 and mul_double_with_sign instead of mul_double, passing them the
1626 unsignedness of the type.
1627 * tree.h (add_double): Macroize.
1628 (add_double_with_sign): New prototype.
1629 (mul_double): Macroize.
1630 (mul_double_with_sign): New prototype.
1632 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1634 * config/score/crti.asm: New file.
1635 * config/score/crtn.asm: New file.
1636 * config/score/elf.h: New file.
1637 * config/score/mac.md: New file.
1638 * config/score/misc.md: New file.
1639 * config/score/mul-div.S: New file.
1640 * config/score/predicates.md: New file.
1641 * config/score/score7.md: New file.
1642 * config/score/score.c: New file.
1643 * config/score/score-conv.h: New file.
1644 * config/score/score.h: New file.
1645 * config/score/score.md: New file.
1646 * config/score/score-mdaux.c: New file.
1647 * config/score/score-mdaux.h: New file.
1648 * config/score/score-modes.def: New file.
1649 * config/score/score.opt: New file.
1650 * config/score/score-protos.h: New file.
1651 * config/score/score-version.h: New file.
1652 * config/score/t-score-elf: New file.
1653 * config.gcc: Add score*-*-* configurations(Update before).
1654 * doc/invoke.texi (Score Options): New section.
1655 * doc/md.texi (Score family): New section to document constraints.
1657 2006-10-19 Nick Clifton <nickc@redhat.com>
1659 * config/arm/arm.c: Fix spelling typo.
1661 2006-10-18 Tom Tromey <tromey@redhat.com>
1663 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1665 2006-10-18 Jan Hubicka <jh@suse.cz>
1668 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1671 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1673 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1674 TSI_SAME_STMT, since that's the desired entity.
1676 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1678 * config/s390/contraints.md: New file.
1679 * config/s390/s390-protos.h (s390_mem_constraint,
1680 s390_O_constraint_str, s390_N_constraint_str,
1681 s390_float_const_zero_p): Function prototypes added.
1682 * config/s390/s390.c (s390_extra_constraint_str,
1683 s390_const_double_ok_for_constraint_p,
1684 s390_const_ok_for_constraint_p): Functions removed.
1685 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1686 s390_float_const_zero_p): New functions.
1687 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1688 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1689 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1690 Macro definitions removed.
1691 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1692 s390_extra_constraint_str): Functions removed.
1694 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1695 Richard Sandiford <richard@codesourcery.com>
1698 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1699 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1701 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1703 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1704 (DWARF2_FRAME_REG_OUT): Likewise.
1705 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1706 (DWARF2_FRAME_REG_OUT): Likewise.
1708 2006-10-17 Paul Brook <paul@codesourcery.com>
1710 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1712 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1714 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1715 Standardize on "GNU Fortran" as the official name of the Fortran
1718 2006-10-16 Mike Stump <mrs@apple.com>
1720 * doc/invoke.texi (Darwin Options): Document -mkernel.
1721 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1723 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1724 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1725 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1726 (OS_MISSING_ALTIVEC): Add.
1727 * config/i386/i386.c (override_options): Add
1728 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1729 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1730 -mkernel, -static or -mdynamic-no-pic is given.
1731 (C_COMMON_OVERRIDE_OPTIONS): Add.
1732 * config/darwin.opt (fapple-kext): Add.
1734 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1735 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1737 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1738 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1739 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1740 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1741 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1742 (flag_mkernel): Add.
1743 (flag_apple_kext): Add.
1744 (TARGET_KEXTABI): Add.
1745 * config/darwin.c (darwin_handle_kext_attribute): Add.
1746 (DARWIN_VTABLE_P): Add.
1747 (darwin_binds_local_p): Add partial support for rebinding vtables
1749 (darwin_kextabi_p): Add.
1750 (darwin_override_options): Add.
1751 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1752 (darwin_kextabi_p): Add.
1753 (darwin_override_options): Add.
1754 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1755 __DYNAMIC__ and __STATIC__ here.
1757 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1759 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1760 Added mention of "make pdf" target, and Texinfo requirements for
1763 2006-10-16 DJ Delorie <dj@redhat.com>
1765 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1766 into the GOT in case we need a subreg of the address.
1768 2006-10-16 Richard Guenther <rguenther@suse.de>
1771 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1772 SSE builtin documentation. Document SSE2 builtins.
1774 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1776 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1777 symbol in the output file for non-shared links when -nostdlib or
1778 -nodefaultlibs isn't specified.
1780 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1781 posix thread support.
1783 2006-10-15 Jan Hubicka <jh@suse.cz>
1786 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1787 declared always_inline even when not inlining.
1789 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1790 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1791 Andrew Pinski <pinskia@gmail.com>
1794 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1796 2006-10-15 Jan Hubicka <jh@suse.cz>
1797 Richard Guenther <rguenther@suse.de>
1800 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1801 process_function_and_variable_attributes on all variables, including
1802 those discovered during cgraph construction phase.
1804 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1806 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1808 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1810 * config/i386/athlon.md (athlon_fist): Add fisttp.
1812 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1813 Ian Lance Taylor <ian@airs.com>
1816 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1817 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1820 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1822 * config/score/score.c, config/score/score.h: Fix comment
1825 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1828 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1831 2006-10-13 Eric Christopher <echristo@apple.com>
1833 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1835 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1838 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1839 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1840 alignment supported by 32-bit ELF.
1842 2006-10-13 Eric Christopher <echristo@apple.com>
1844 * config/darwin.c (darwin_emit_unwind_label): Strip
1845 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1847 2006-10-13 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/29446
1850 * tree-vrp.c (fix_equivalence_set): Remove.
1851 (extract_range_from_assert): Do not call fix_equivalence_set.
1852 (debug_value_range): Print a newline.
1853 (compare_name_with_value): For equivalence sets with
1854 inconsistent value ranges conservatively bail out.
1855 (compare_names): Likewise.
1857 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1859 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1860 and MPFR for gfortran.
1862 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1864 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1865 alignment supported by 32-bit ELF.
1867 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1871 * c-typeck.c (digest_init): Always allow initializing vectors
1872 that have static storage duration with compound literals.
1873 * tree.c (build_type_attribute_qual_variant): New, based on
1874 build_type_attribute_variant.
1875 (build_type_attribute_variant): Rewrite using the former.
1876 (make_vector_type): Use build_type_attribute_qual_variant to build
1877 type variants. Use type_hash_canon on the others.
1879 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1880 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1882 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1884 2006-10-12 Jan Hubicka <jh@suse.cz>
1887 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1888 current_function_decl is set but current_function_scope is not.
1890 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1892 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1893 emit_insn to emit eh_return_internal instruction.
1894 (eh_return_internal): Explicitly set pc.
1896 2006-10-11 Richard Guenther <rguenther@suse.de>
1898 PR tree-optimization/28230
1899 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1900 to the correct place.
1902 2006-10-11 Richard Guenther <rguenther@suse.de>
1905 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1908 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1910 * configure.ac: Added pdf to "Make-hooks"
1911 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1912 targets and *.pdf file patterns in cleanup targets.
1913 * configure: Regenerated.
1915 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1917 * config/avr/predicates.md: New file.
1918 * config/avr/avr.md: Include it.
1919 (REG_SP): New constant.
1920 (peepholes): Use predicates.
1921 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1922 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1923 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1925 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1927 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1930 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1933 * builtins.c (var_decl_component_p): New function.
1934 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1935 single entry optimization to variables and components thereof.
1937 2006-10-10 Richard Guenther <rguenther@suse.de>
1939 PR rtl-optimization/29323
1940 * except.c (set_nothrow_function_flags): For functions
1941 that do not bind local bail out early.
1943 2006-10-10 Ben Elliston <bje@au.ibm.com>
1945 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1948 2006-10-09 Richard Henderson <rth@redhat.com>
1950 Revert emutls patch.
1952 2006-10-09 Richard Guenther <rguenther@suse.de>
1955 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1958 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1961 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1962 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1963 * configure: Regenerate.
1964 * config.in: Regenerate.
1966 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1968 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1970 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1972 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1973 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1974 Remove stray newline.
1976 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1978 * config/mips/mips.c (mips_classify_symbol): Do not return
1979 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1980 (mips_in_small_data_p): Tweak comments.
1982 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1984 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1986 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1988 * gimplify.c, sched-int.h: Fix comment typos.
1990 * sched-int.h: Fix comment typos.
1992 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1994 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1996 * sched-ebb.c (begin_schedule_ready): Use them.
1997 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1998 add_to_speculative_block, create_check_block_twin, speculate_insn,
1999 fix_jump_move, move_block_after_check): Ditto.
2000 * sched-rgn.c (new_ready): Ditto.
2002 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2004 PR rtl-optimization/29128
2005 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2006 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2007 allow interblock movement of speculation checks.
2009 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2012 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2013 casted to integer type.
2014 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2015 if they are significantly more expensive than [reg + index] ones.
2017 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2019 PR tree-optimization/29330
2020 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2021 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2022 on newly allocated ddrs.
2023 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2024 to VEC (loop_p, heap) pointer.
2025 (compute_data_dependences_for_loop): Adjust caller.
2026 (free_dependence_relations): Free DDR_LOOP_NEST.
2028 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2029 free DEPENDENCE_RELATIONS and DATAREFS.
2032 * builtins.c (expand_builtin_sync_operation,
2033 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2034 Use convert_to_mode to handle promoted arguments.
2036 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2038 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2040 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2042 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2044 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2046 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2047 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2048 Use <modeconstraint> instead of "r" as operand 1 constraint.
2050 2006-10-06 Olivier Hainque <hainque@adacore.com>
2052 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2053 Don't recurse on the pointed-to type.
2054 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2055 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2056 types with components of variable size.
2058 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2060 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2062 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2064 PR tree-optimization/29290
2065 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2069 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2070 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2073 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2074 the number of vector elements fill the rest with zeros.
2076 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2078 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2079 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2082 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2084 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2085 unnamed pattern into subsi3. Use correct constraints/predicates.
2086 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2087 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2089 2006-10-05 Ira Rosen <irar@il.ibm.com>
2091 * doc/loop.texi: Add data references analysis description.
2093 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2095 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2097 2006-10-04 Richard Henderson <rth@redhat.com>
2098 Jakub Jelinek <jakub@redhat.com>
2100 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2101 * builtin-types.def (BT_WORD): Make unsigned.
2102 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2103 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2104 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2105 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2106 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2107 * cgraph.c (decide_is_variable_needed): Look at force_output.
2108 Recurse for emulated tls.
2109 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2110 checks redundant with decide_is_variable_needed.
2111 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2112 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2114 * expr.c (emutls_var_address): New.
2115 (expand_expr_real_1): Expand emulated tls.
2116 (expand_expr_addr_expr_1): Likewise.
2117 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2118 * output.h (emutls_finish): Declare.
2119 * toplev.c (compile_file): Call it.
2120 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2121 address before wrapping in CONST.
2122 * varasm.c (emutls_htab, emutls_object_type): New.
2123 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2124 (get_emutls_object_name, get_emutls_object_type): New.
2125 (get_emutls_init_templ_addr, emutls_decl): New.
2126 (emutls_common_1, emutls_finish): New.
2127 (assemble_variable): When emulating tls, swap decls; generate
2128 constructor for the emutls objects.
2129 (do_assemble_alias): When emulating tls, swap decl and target name.
2130 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2132 * emutls.c: New file.
2133 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2134 tls_object for real tls.
2136 2006-10-04 Zack Weinberg <zackw@panix.com>
2138 Fix bug in constraint-check generator, reported by Rask Ingemann
2140 * genpreds.c (add_constraint): Don't remove anything from the
2142 (write_tm_constrs_h): Detect whether "op" argument is used, and
2143 mark it ARG_UNUSED if it isn't.
2144 (write_insn_const_int_ok_for_constraint): Skip the part of the
2145 expression that would test whether "op" (which is not available
2146 here) is a CONST_INT.
2148 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2151 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2153 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2155 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2156 current Leopard versions.
2157 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2159 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2161 * doc/install.texi: Fix typos.
2163 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2165 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2166 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2167 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2169 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2171 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2172 arg to be struct mach_header_64* instead.
2174 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2177 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2178 side effects after the outer expression's post side effects.
2180 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2182 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2183 comments to reflect actual behavior and relationship between
2184 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2186 * doc/c-tree.texi (Working with declarations): Fix documentation
2187 of FIELD_DECL likewise.
2189 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2192 * doc/extend.texi: Add used variable attribute description.
2194 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2197 * c.opt (Woverride-init): New.
2198 * c-opts.c (c_common_post_options): Default warn_override_init to
2200 * c-typeck.c (add_pending_init, output_init_element): Warn for
2201 overriding initializers without side effects.
2202 * doc/invoke.texi (-Woverride-init): Document.
2205 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2207 PR rtl-optimization/28096
2208 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2209 assignment has already been used as a destination earlier in the block.
2211 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2213 * builtins.c (expand_builtin_setjmp): Delete.
2214 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2215 <BUILT_IN_SETJMP_SETUP>: New case.
2216 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2217 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2218 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2219 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2220 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2221 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2222 (lower_function_body): Initialize it to false. If it is set to true
2223 at the end of the processing, emit the setjmp dispatcher.
2224 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2225 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2226 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2227 on the rhs of the assignment.
2228 (lower_builtin_setjmp): New function.
2229 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2230 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2231 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2232 to detect calls that can go to non-local labels. Use specific
2233 helper to create the abnormal edges associated with them.
2234 <MODIFY_EXPR>: Likewise.
2235 (make_abnormal_goto_edges): New function extracted from...
2236 (make_goto_expr_edges): ...here. Call it for computed gotos.
2237 (simple_goto_p): Minor tweak.
2238 (tree_can_make_abnormal_goto): New predicate.
2239 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2240 (tree_purge_dead_abnormal_call_edges): New function.
2241 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2242 (tree_purge_dead_abnormal_call_edges): Likewise.
2243 (make_abnormal_goto_edges): Likewise.
2244 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2245 Purge all dead abnormal edges if the call was in the last statement.
2246 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2247 (execute_fixup_cfg): If there are non-local labels in the function,
2248 scan the basic blocks and split them at calls that can go to non-local
2249 labels or add missing abnormal call edges. Write down the CFG in the
2251 (pass_fixup_cfg): Remove TODO_dump_func flag.
2252 * unwind-sjlj.c: Poison setjmp.
2253 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2254 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2255 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2256 (DONT_USE_BUILTIN_SETJMP): Document it.
2258 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2261 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2262 to 1 when __ppc64__ is defined.
2263 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2265 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2267 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2269 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2270 * config/ia64/unwind-hpux.c: Delete.
2272 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2274 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2275 on the element before gimplifying it, instead of punting if it is of
2278 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2280 * doc/loop.texi: New file.
2281 * doc/gccint.texi: Reference loop.texi.
2282 * Makefile.in (loop.texi): Add.
2284 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2286 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2288 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2289 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2291 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2293 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2295 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2297 * doc/install.texi: Document required versions of GMP and MPFR.
2299 2006-09-27 Paul Brook <paul@codesourcery.com>
2302 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2304 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2306 * reload1.c (alter_reg): Require the alignment of the stack slot to
2307 be at least reg_max_ref_width bytes.
2308 (scan_paradoxical_subregs): Record the largest width in
2311 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2315 * tree-nested.c (struct nesting_info): Added static_chain_added.
2316 (convert_call_expr): Set static_chain_added when adding static
2317 chain. Handle OMP_PARALLEL and OMP_SECTION.
2319 2006-09-25 Matthias Klose <doko@debian.org>
2321 * doc/invoke.texi: Add missing full stop.
2323 2006-09-25 Richard Henderson <rth@redhat.com>
2325 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2326 before cgraph_function_flags_ready.
2328 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2329 Adam Nemet <anemet@caviumnetworks.com>
2331 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2332 determine_common_wider_type): New functions.
2333 (get_computation_aff): Use them to simplify arithmetic between
2334 UBASE and CBASE if they are shortened from the same type.
2336 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2339 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2340 -2147483647 - 1 instead of 0x80000000.
2342 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2344 * flags.h (HONOR_NANS): Fix typo in comment.
2346 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2348 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2350 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2354 * tree.c (merge_attributes, attribute_list_contained): If both
2355 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2357 * c-typeck.c (comptypes_internal): Don't consider aggregates
2358 in different TUs as compatible if there one set of attributes is
2359 not a subset of the other type's attributes.
2360 (composite_type): Try harder not to create a new aggregate type.
2362 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2364 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2365 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2366 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2367 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2368 than replicating condition above.
2369 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2371 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2372 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2373 the linker by default.
2375 2006-09-22 Mike Stump <mrs@apple.com>
2377 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2380 2006-09-22 Richard Guenther <rguenther@suse.de>
2383 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2384 sort of stack variables stable.
2386 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2389 * explow.c (force_reg): Set REG_POINTER flag according to
2392 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2394 PR tree-optimization/28888
2395 * tree-if-conv.c (combine_blocks): Rewritten.
2396 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2397 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2399 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2401 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2404 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2406 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2408 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2410 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2412 2006-09-21 Roger Sayle <roger@eyesopen.com>
2415 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2416 dw_fde_current_label, to be the start of the function, i.e. the same
2417 value as dw_fde_begin.
2419 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2421 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2422 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2423 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2424 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2425 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2426 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2427 (abs<mode>2, neg<mode>2): Likewise.
2428 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2429 (*mips_abs_ps): New define_insn.
2431 2006-09-20 Josh Conner <jconner@apple.com>
2434 * calls.c (expand_call): Allow reuse of structure return stack
2437 2006-09-20 Paul Brook <paul@codesourcery.com>
2439 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2442 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2444 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2445 clean up terminology.
2447 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2450 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2451 with tablejumps in them.
2453 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2456 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2457 wrap it into TARGET_EXPR.
2459 2006-09-20 Eric Christopher <echristo@apple.com>
2461 * config/i386/i386.c (x86_fisttp): Remove.
2462 * config/i386/i386.h (x86_fisttp): Ditto.
2463 (TARGET_FISTTP): Ditto.
2465 2006-09-19 Eric Christopher <echristo@apple.com>
2467 * doc/tm.texi (OBJC_JBLEN): Describe.
2468 * config/i386/darwin.h (OBJC_JBLEN): Define.
2469 * config/rs6000/darwin.h: Ditto.
2471 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2473 PR rtl-optimization/21299
2474 * reload1.c (reload): Purge invalid ASMs in the final pass.
2476 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2479 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2480 pointers as legitimate constants.
2482 2006-09-19 Paul Brook <paul@codesourcery.com>
2485 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2487 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2489 PR tree-optimization/28887
2490 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2491 component parts from the reference.
2492 (gather_memory_references_ref): Record the reference without the
2493 nonaddressable component parts.
2495 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2498 * c-opts.c (c_common_handle_option): Ignore the -std options
2499 if the input language is assembly.
2501 2006-09-17 Ira Rosen <irar@il.ibm.com>
2504 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2506 (ptr_ptr_may_alias_p): Likewise.
2507 (record_record_differ_p): New function.
2508 (base_object_differ_p): Call record_record_differ_p.
2510 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2513 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2514 away for the expr argument.
2516 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2519 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2520 before using it for dumping after vectorizing loops.
2522 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2523 Jack Howarth <howarth@bromo.med.uc.edu>
2526 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2527 skip on error_mark_node.
2528 (rs6000_darwin64_record_arg_recurse): Likewise.
2530 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2532 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2533 * doc/rtl.texi: Remove related documentation.
2535 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2537 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2540 2006-09-15 Jim Wilson <wilson@specifix.com>
2542 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2543 Handle symbol offsets same as they are handled in ia64_expand_move
2546 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2548 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2549 Add forgotten parameter to the fprintf call.
2551 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2553 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2555 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2557 * doc/contrib.texi: Add my entry.
2559 2006-09-15 Nick Clifton <nickc@redhat.com>
2561 * doc/md.texi (Processor pipeline description): Fix typo in
2562 example of how to use the absence_set directive and reword the
2563 description to make it slightly easier to read.
2565 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2567 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2568 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2569 expanding the number of iterations.
2570 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2572 * cfgrtl.c (emit_insn_at_entry): New function.
2573 * rtl.h (emit_insn_at_entry): Declare it.
2574 * integrate.c (emit_initial_value_sets): Use it.
2576 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2578 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2580 (struct loop_work and related VEC declarations): Delete.
2581 (bfin_dump_loops): Print out new member bad.
2582 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2583 (bfin_scan_loop): Don't recurse.
2584 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2585 loops. No longer need to update outer loops if the current one is
2586 found bad. Move some validitiy checks to bfin_discover_loop.
2587 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2588 but changed not to check for nesting. Also changed to use the new bad
2590 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2591 time. Use bitmap based test to discover loop nesting.
2593 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2595 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2598 2006-09-14 Richard Guenther <rguenther@suse.de>
2599 Kazu Hirata <kazu@codesourcery.com>
2601 PR middle-end/28884.
2602 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2603 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2604 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2605 with TARGET_FUNCTION_VALUE.
2607 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2610 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2612 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2614 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2617 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2620 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2623 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2625 * basic_block.h (bb_has_eh_pred): Fix comment.
2627 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2629 * flow.c (calculate_global_regs_live): Invalidate eh registers
2630 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2631 (propagate_block): Handle eh registers as if they were set at basic
2633 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2635 * global.c (global_conflicts): Make eh registers to conflict with
2636 pseudos live at basic block begin.
2637 * basic_block.h (bb_has_eh_pred): New function.
2639 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2641 PR rtl-optimization/28982
2642 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2643 index of a PRE_MODIFY or POST_MODIFY address.
2644 * reload1.c (inc_for_reload): Use find_replacement on the original
2645 base and index registers.
2647 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2649 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2650 for -Os. Update __m128 alignment requirement.
2652 2006-09-13 Jan Hubicka <jh@suse.cz>
2654 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2656 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2658 PR rtl-optimization/28243
2659 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2660 the insn to which the note was originally attached.
2662 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2663 Roger Sayle <roger@eyesopen.com>
2665 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2666 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2667 on platforms that don't use dwarf for debug info.
2669 2006-09-12 Jason Merrill <jason@redhat.com>
2672 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2673 hard_frame_pointer_rtx after using it to update the frame pointer.
2675 2006-09-12 Roger Sayle <roger@eyesopen.com>
2677 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2678 (TARGET_ASM_CLOSE_PAREN): Likewise.
2679 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2680 (TARGET_ASM_CLOSE_PAREN): Likewise.
2682 2006-09-12 Roger Sayle <roger@eyesopen.com>
2685 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2686 frame information for frames larger than 512 Kbytes on Tru64 when
2687 using the native assembler.
2689 2006-09-12 Roger Sayle <roger@eyesopen.com>
2693 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2694 and symbols. Instead use the implementation from cse.c's hash_rtx.
2696 2006-09-12 Jan Hubicka <jh@suse.cz>
2698 PR rtl-optimization/28071
2699 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2700 (vect_transform_loop): Likewise.
2701 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2702 (new_loop_vec_info): Likewise.
2703 (destroy_loop_vec_info): Likewise.
2704 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2705 (create_stmt_ann): Likewise.
2706 (create_tree_ann): Rename to ...
2707 (create_tree_common_ann): ... this one; allocate only the common part
2709 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2710 (get_value_handle): Likewise.
2711 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2712 get_tree_common_ann.
2713 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2714 (vinfo_for_stmt): Use stmt annotations.
2715 * tree-flow.h (tree_ann_common_t): New type.
2716 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2717 (tree_ann, get_tree_ann, create_tree_ann): New.
2718 * tree-flow-inline.h (get_function_ann): Do more type checking.
2719 (stmt_ann): Likewise.
2720 (tree_ann): Rename to ...
2721 (tree_common_ann): ... this one; return ony common_ann
2722 (get_tree_ann): Rename to ...
2723 (tree_common_ann): This one; return only common_ann.
2724 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2727 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2729 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2730 with_cpu by default.
2732 * dwarf2out.c (dwarf_file_data): New.
2733 (enum dw_val_class): Add dw_val_class_file.
2734 (struct dw_val_struct): Add val_file.
2735 (file_table): Change to a hash table.
2736 (file_table_emitted): Delete.
2737 (file_table_last_lookup_index): Delete.
2738 (emitcount): Delete.
2739 (last_emitted_file): New.
2740 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2741 (init_file_table): Delete.
2742 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2743 (AT_addr): Add comment.
2747 (print_die): Handle dw_val_class_file.
2748 (print_dwarf_line_table): Update for new file table structure.
2749 (attr_checksum): Do checksum a filename.
2750 (same_dw_val_p, same_attr_p): Do compare a filename.
2751 (size_of_die): Handle dw_val_class_file.
2752 (value_format): Likewise.
2753 (output_die): Likewise. Also, call maybe_emit_file here.
2754 (struct file_info): Constify filenames. Make file_idx a pointer
2755 to a struct dwarf_file_data.
2756 (struct dir_info): Constify directory names. Remove 'used' field.
2757 (struct file_name_acquire_data): New.
2758 (file_name_acquire): New.
2759 (output_file_names): Modify to handle new file data structures.
2760 (add_src_coords_attributes): Use add_AT_file.
2761 (add_call_src_coords_attributes): Likewise.
2762 (dwarf2out_imported_module_or_decl): Likewise.
2763 (gen_subprogram_die): Modify for new file data structures.
2764 (gen_variable_die): Likewise.
2765 (file_table_eq): New.
2766 (file_table_hash): New.
2767 (file_table_last_lookup): New.
2768 (lookup_filename): Rewrite to handle new file data structures.
2769 (maybe_emit_file): Rewrite to handle new file data structures.
2770 (dwarf2out_source_line): Always call lookup_filename and
2772 (dwarf2out_init): Create file_table here.
2773 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2774 (file_table_relative_p): New.
2775 (dwarf2out_finish): Change detection of relative filenames
2776 to work with new file data structures. Move output_line_info call
2777 after debug_info output.
2779 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2784 * config/i386/i386.c (override_options): Always default to 16
2785 byte stack boundary.
2787 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2790 * var-tracking.c (dump_dataflow_set): Start dumping at
2792 (clobber_variable_part): Kill only the variable part in
2793 registers holding it, leaving other variables alone.
2795 2006-09-11 Josh Triplett <josh@freedesktop.org>
2797 * doc/extend.texi (Other Builtins): Actually use the macro
2798 argument in the documentation example for
2799 __builtin_types_compatible_p.
2801 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2803 PR rtl-optimization/28726
2804 * sched-deps.c (sched_analyze_reg): New function extracted from...
2805 (sched_analyze_1): ...here. Call it to analyze references to
2806 registers. Treat again writes to a stack register as writing to the
2808 (sched_analyze_2): ...and here. Call it to analyze references to
2809 registers. Treat again reads of a stack register as reading the
2812 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2813 David Edelsohn <edelsohn@gnu.org>
2816 * config/rs6000/spe.md (frob_df_di): Remove %H.
2817 (frob_di_df): Remove %H. Change evmergelo to mr.
2818 (frob_di_df_2): Remove %H. Change evldd to two loads.
2820 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2822 * doc/cpp.texi: Fix names of charset options.
2824 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2827 * config/i386/i386.c (override_options): Use 128-bit
2828 stack boundary always for 64bits.
2830 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2832 PR rtl-optimization/28636
2833 * combine.c (force_to_mode): Test for side-effects before
2834 substituting by zero.
2835 (simplify_shift_const): Likewise for zero or other constants.
2837 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2840 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2843 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2846 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2847 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2848 returned by mode_for_size, rather than the mode of src itself,
2849 to choose between 32-bit and 64-bit patterns.
2850 (mips_mem_fits_mode_p): New function.
2851 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2852 that the size of the source matches the size of the destination.
2853 (mov_<store>l, mov_<store>r): Likewise.
2855 2006-09-10 Eric Christopher <echristo@apple.com>
2857 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2860 2006-09-09 Eric Christopher <echristo@apple.com>
2863 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2866 2006-09-09 Roger Sayle <roger@eyesopen.com>
2867 Nicolas Setton <setton@adacore.com>
2869 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2871 2006-09-10 Andreas Schwab <schwab@suse.de>
2873 * config/m68k/m68k.md (bungt_rev): New pattern.
2875 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2876 Dale Johannesen <dalej@apple.com>
2879 * regclass.c (struct reg_pref): Update documentation.
2880 (regclass): Set prefclass to NO_REGS if memory is the best option.
2881 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2883 2006-09-08 Eric Christopher <echristo@apple.com>
2885 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2886 * config/t-slibgcc-darwin: Support x86_64 multilib.
2887 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2888 Return 1 for x86_64-darwin.
2889 * config/i386/t-darwin: Add m64 multilib.
2890 (LIB2_SIDITI_CONV_FUNCS): Use.
2891 (LIB2FUNCS_EXTRA): Ditto.
2892 * config/i386/darwin.h: Support x86_64.
2893 * config/i386/i386.c (override_options): Turn on flag_pic
2894 for x86_64-darwin. Disable flag_omit_pointer.
2895 (get_pc_thunk_name): Assert !TARGET_64BIT.
2896 (legitimate_address_p): Disable machopic addressing for
2898 (legitimize_pic_address): Ditto.
2899 (ix86_expand_move): Ditto.
2900 (ix86_expand_call): Ditto.
2901 (machopic_output_stub): Ditto.
2902 * config/darwin.c (machopic_select_section): Support literal16.
2903 (machopic_select_rtx_section): Ditto.
2904 * config/darwin-sections.def: Ditto.
2905 * config/darwin-64.c: New.
2907 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2910 * c-tree.h (struct c_arg_info): Add pending_sizes.
2911 * c-parser.c (c_parser_parms_declarator,
2912 c_parser_parms_list_declarator): Initialize pending_sizes.
2913 * c-decl.c (get_parm_info): Initialize pending_sizes.
2914 (get_parm_info): Set pending_sizes.
2915 (grokdeclarator): Call put_pending_sizes for parameters for
2916 function definition only.
2918 2006-09-07 Jason Merrill <jason@redhat.com>
2921 * varasm.c (output_constant): Only strip actual no-op conversions.
2924 * config/i386/i386.c (override_options): Use 128-bit
2925 stack boundary if -msse.
2927 2006-09-07 Eric Christopher <echristo@apple.com>
2929 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2931 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2934 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2936 * dwarf2out.c: Remove strange characters from comment above
2937 dwarf2out_frame_debug_expr.
2939 2006-09-07 Eric Christopher <echristo@apple.com>
2941 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2942 * config/darwin.h: ... to here.
2944 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2946 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2948 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2949 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2951 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2952 TARGET_PARTIAL_FLAG_REG_STALL.
2953 (*ashldi3_cconly_rex64): Likewise.
2954 (*ashlsi3_cmp): Likewise.
2955 (*ashlsi3_cconly): Likewise.
2956 (*ashlsi3_cmp_zext): Likewise.
2957 (*ashlhi3_cmp): Likewise.
2958 (*ashlhi3_cconly): Likewise.
2959 (*ashlqi3_cmp): Likewise.
2960 (*ashlqi3_cconly): Likewise.
2961 (*ashrdi3_cmp_rex64): Likewise.
2962 (*ashrdi3_cconly_rex64): Likewise.
2963 (*ashrsi3_cmp): Likewise.
2964 (*ashrsi3_cconly): Likewise.
2965 (*ashrsi3_cmp_zext): Likewise.
2966 (*ashrhi3_cmp): Likewise.
2967 (*ashrhi3_cconly): Likewise.
2968 (*ashrqi3_cmp): Likewise.
2969 (*ashrqi3_cconly): Likewise.
2970 (*lshrdi3_cmp_rex64): Likewise.
2971 (*lshrdi3_cconly_rex64): Likewise.
2972 (*lshrsi3_cmp): Likewise.
2973 (*lshrsi3_cconly): Likewise.
2974 (*lshrsi3_cmp_zext): Likewise.
2975 (*lshrhi3_cmp): Likewise.
2976 (*lshrhi3_cconly): Likewise.
2977 (*lshrqi2_cmp): Likewise.
2978 (*lshrqi2_cconly): Likewise.
2980 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2983 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2984 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2985 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2986 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2987 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2988 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2989 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2990 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2991 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2992 implement only CC setting effects of shift instructions.
2994 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2996 * doc/contrib.texi: Add myself.
2998 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3001 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3002 was set by the user.
3004 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3007 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3008 (divsi_inv_m1): Use them.
3009 (UNSPEC_DIV_INV_TABLE): New constant.
3011 2006-09-06 James E Wilson <wilson@specifix.com>
3014 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3015 then call count_or_remove_death_notes.
3017 2006-09-06 Jason Merrill <jason@redhat.com>
3020 * tree-inline.c (copy_result_decl_to_var): New fn.
3021 (declare_return_variable): Use it. Call declare_inline_vars here.
3022 (expand_call_inline): Not here.
3024 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3026 * doc/contrib.texi: Update my entry.
3028 2006-09-06 Nick Clifton <nickc@redhat.com>
3030 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3032 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3035 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3036 (canonicalize_induction_variables): Likewise.
3037 (tree_unroll_loops_completely): Likewise.
3038 (tree_ssa_prefetch_arrays): Likewise.
3039 (remove_empty_loops): Likewise.
3040 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3041 TODO_cleanup_cfg instead of directly calling
3042 cleanup_tree_cfg_loop.
3043 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3045 (tree_unroll_loops_completely): Likewise.
3046 (remove_empty_loops): Likewise.
3047 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3048 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3049 of tree_ssa_unswitch_loops.
3050 (tree_ssa_loop_ivcanon): Use the return value of
3051 canonicalize_induction_variables.
3052 (tree_ssa_empty_loop): Use the return value of
3054 (tree_complete_unroll): Use the return value of
3055 tree_unroll_loops_completely.
3056 (tree_ssa_loop_prefetch): Use the return value of
3057 tree_ssa_prefetch_arrays.
3058 * passes.c (execute_todo): Before Cleanup CFG, set
3059 updating_used_alone and after cleanup CFG, call
3060 recalculate_used_alone.
3062 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3065 * tree-vect-transform.c (vectorizable_condition): Move the check
3066 for the type after the check for simple condition.
3068 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3069 Kaz Kojima <kkojima@gcc.gnu.org>
3072 * mode-switching.c (optimize_mode_switching): Make the destination
3073 block of an abnormal edge have no anticipatable mode. Don't
3074 insert mode switching code at the end of the source block of
3077 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3079 PR rtl-optimization/26847
3080 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3081 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3082 (simplify_plus_minus): Count n_constants while filling ops. Replace
3083 qsort with insertion sort. Before going through the array to simplify
3084 pairs, sort it. Delay early exit until after the first sort, exiting
3085 only if no swaps occurred. Simplify pairs in reversed order, without
3086 special-casing the first iteration. Pack ops after simplifying pairs.
3088 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3090 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3091 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3092 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3093 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3095 2006-09-05 Richard Guenther <rguenther@suse.de>
3097 PR tree-optimization/28900
3098 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3099 compound conditional before creating COND_EXPR condition.
3101 2006-09-05 Richard Guenther <rguenther@suse.de>
3103 PR tree-optimization/28905
3104 * tree-vrp.c (fix_equivalence_set): Manually implement
3105 !value_ranges_intersect_p to also handle symbolic ranges.
3107 2006-09-05 Richard Guenther <rguenther@suse.de>
3110 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3113 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3115 PR rtl-optimization/27616
3116 * cse.c (table_size): New static variable.
3117 (new_basic_block): Initialize it to 0.
3118 (remove_from_table): Decrement it.
3119 (insert): Increment it.
3120 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3121 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3122 fold_rtx_mem_1 if under the cap.
3123 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3124 the lookup of the equivalent expression and test for equality of the
3125 first operand of the equivalent expression before in turn looking up
3126 an equivalent constant for the second operand.
3128 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3131 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3132 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3133 pointer, instead of assuming it is possible to derive the
3134 correct args size from a call insn.
3136 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3139 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3140 (fold_builtin_mempcpy): Rename to...
3141 (fold_builtin_memory_op): ... this. Optimize one element copy
3143 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3145 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3146 (expand_builtin_memcpy, expand_builtin_mempcpy,
3147 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3148 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3149 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3150 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3152 2006-09-01 DJ Delorie <dj@redhat.com>
3154 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3155 (stzx_16): Likewise.
3156 ("stzx_24_<mode>"): Likewise.
3157 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3158 ("cmp<mode>_op"): New.
3159 (cmp<mode>): Change to expander; just save operands.
3161 (b<code>): Change to expander, emit compare here.
3162 (s<code>_op): Change to use split and expander.
3163 (s<code>_24_op): Likewise.
3164 (s<code>_<mode>): New.
3165 (s<code>_<mode>_24): New.
3166 (movqicc_<code>_<mode): New.
3167 (movhicc_<code>_<mode>): New.
3170 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3171 (m32c_pend_compare): New.
3172 (m32c_unpend_compare): New.
3173 (m32c_expand_scc): New.
3174 (m32c_expand_movcc): Emit the compare also.
3175 * config/m32c/predicates.md (mra_nopp_operand): New.
3177 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3178 Richard Guenther <rguenther@suse.de>
3179 Adam Nemet <anemet@caviumnetworks.com>
3182 * builtins.c (get_pointer_alignment): Handle more forms
3183 of base addresses that can be used to derive more precise
3184 information about alignment.
3186 2006-09-01 Jason Merrill <jason@redhat.com>
3189 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3192 * gimplify.c (voidify_wrapper_expr): Handle null type.
3194 2006-09-01 Josh Conner <jconner@apple.com>
3197 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3198 (execute_return_slot_opt): Use it.
3200 2006-08-31 Josh Conner <jconner@apple.com>
3203 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3204 returning aggregates.
3206 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3208 PR tree-optimization/28839
3209 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3210 blocks in that phi arguments appear.
3212 2006-08-31 Roger Sayle <roger@eyesopen.com>
3215 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3216 NULL, otherwise use an advance_loc4 to adjust relative to the
3218 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3219 (dwarf2out_switch_text_section): Reset the current label to avoid
3220 using advance_loc4 over section boundaries.
3222 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3225 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3226 r12 + SYMBOLIC_CONST.
3228 2006-08-30 Richard Guenther <rguenther@suse.de>
3230 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3232 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3234 PR rtl-optimization/27735
3235 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3236 Add new argument to keep track of whether an irreducible region
3237 was affected. All callers changed.
3238 (fix_irreducible_loops): Removed.
3239 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3240 flags were invalidated.
3242 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3244 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3245 instead of SF operands.
3246 (*fop_df_comm_sse): Likewise.
3247 (*fop_df_comm_i387): Likewise.
3248 (*fop_df_1_mixed): Likewise.
3249 (*fop_df_1_sse): Likewise.
3251 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3252 J"orn Rennecke <joern.rennecke@st.com>
3254 PR tree-optimization/17506
3255 * tree-ssa.c (warn_uninit): If warning about a location outside of
3256 the current function, note where the variable was declared.
3258 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3260 PR tree-optimization/28411
3261 * double-int.c (double_int_div): Use double_int_divmod.
3262 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3263 double_int_mod, double_int_smod, double_int_umod): New functions.
3264 * double-int.h (double_int_divmod, double_int_sdivmod,
3265 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3267 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3269 (get_computation_aff, get_computation_cost_at): Handle double_int
3270 return type of constant_multiple_of.
3272 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3275 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3276 an implicit conversion.
3278 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3280 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3282 2006-08-27 Roger Sayle <roger@eyesopen.com>
3284 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3287 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3289 * config/i386/crtfastmath.c: Fix a comment typo.
3291 2006-08-26 Roger Sayle <roger@eyesopen.com>
3293 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3294 temporary visit flags on CASE_LABEL_EXPRs.
3295 * c-common.c (match_case_to_enum): Add function comment. Avoid
3296 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3297 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3298 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3299 a constant, only warn if that constant value isn't handled.
3301 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3304 * input.h (restore_input_file_stack): Declare.
3305 (INPUT_FILE_STACK_BITS): Define.
3306 * toplev.c (fs_p, input_file_stack_history,
3307 input_file_stack_restored, restore_input_file_stack): New.
3308 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3309 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3310 (pop_srcloc): Don't free old state of stack.
3312 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3315 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3316 (PowerPC Type Attributes): New.
3318 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3320 * config/xtensa/xtensa.c (function_arg_boundary): New.
3321 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3323 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3324 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3326 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3329 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3332 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3334 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3335 (verify_local_live_at_start): Likewise.
3337 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3340 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3341 omp_add_variable): Treat sizes as variable whenever not
3344 2006-08-26 Richard Guenther <rguenther@suse.de>
3347 * fold-const.c (fold_binary): Fold temporary to correct
3348 type before constructing new comparison.
3350 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3353 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3354 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3356 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3359 * c-decl.c (start_function): Don't try to process prototype
3360 information from old declaration that isn't a function.
3362 2006-08-25 Jan Hubicka <jh@suse.cz>
3365 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3367 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3370 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3373 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3375 PR tree-optimization/16876
3376 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3377 exit if PARM doesn't match VALUE.
3379 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3381 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3382 literal_prefix directive.
3383 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3384 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3385 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3387 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3390 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3391 predicate to general_operand. Add 0->y and I->r alternatives.
3393 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3395 * doc/tm.texi: Fix a typo.
3396 * predict.c: Fix comment typos.
3398 2006-08-25 Nick Clifton <nickc@redhat.com>
3400 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3401 assertions of "cpu" and "machine".
3403 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3406 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3407 the access through a base which has an alias set of 0 cannot
3410 2006-08-24 Bill Wendling <wendling@apple.com>
3412 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3414 2006-08-24 Jan Hubicka <jh@suse.cz>
3416 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3418 2006-08-24 Jan Hubicka <jh@suse.cz>
3421 * cgraph.c: Fix comments.
3422 (cgraph_varpool_mark_needed_node): Mark only variables not already
3424 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3425 (cgraph_varpool_assembled_nodes_queue): New static variable.
3426 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3427 (cgraph_varpool_output_debug_info): New function.
3428 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3429 * Makefile.in: Add gt-cgraphunit.h
3431 2006-08-24 Jan Hubicka <jh@suse.cz>
3433 * predict.c (probability_reliable_p): New predicate.
3434 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3435 (predict_loops): Do not predict loop exit with less than 2%
3437 * basic-block.h (edge_probability_reliable_p,
3438 br_prob_note_reliable_p): Declare.
3439 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3440 prediction when static predictor is not reliable.
3441 * rs6000.c (output_cbranch): Likewise.
3443 2006-08-23 Stuart Hastings <stuart@apple.com>
3446 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3447 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3449 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3452 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3453 complex values, nor for generic vector values.
3455 2006-08-22 Richard Guenther <rguenther@suse.de>
3458 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3459 parameter. Convert arguments to arithmetic expression to the
3461 (analyze_scalar_evolution_1): Adjust caller.
3463 2006-08-22 Jan Hubicka <jh@suse.cz>
3465 Patch by Paolo Bonzini
3466 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3469 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3471 PR tree-optimization/28003
3472 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3473 before grouping aliases.
3475 2006-08-22 Roger Sayle <roger@eyesopen.com>
3477 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3478 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3480 2006-08-21 Jason Merrill <jason@redhat.com>
3483 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3484 wrapper. Loop to handle nested wrappers.
3485 (gimplify_bind_expr): Remove temp parameter.
3486 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3487 and STATEMENT_LIST on the rhs.
3488 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3489 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3490 (gimplify_target_expr): Remove special BIND_EXPR handling.
3492 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3494 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3497 2006-08-21 Olivier Hainque <hainque@adacore.com>
3499 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3500 Arrange for the temporary captures of components overlapping the lhs
3501 to happen before the lhs is possibly cleared.
3503 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3505 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3506 necessary places to pass the correct "number of registers" values
3509 2006-08-20 Jan Hubicka <jh@suse.cz>
3511 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3512 (create_name_tags): Instead of quadratic checking use hashtable.
3513 * bitmap.h: Include hashtab.h.
3514 (bitmap_hash): Declare.
3515 * bitmap.c (bitmap_hash): New function.
3517 2006-08-20 Jan Hubicka <jh@suse.cz>
3519 PR rtl-optimization/28071
3520 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3522 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3523 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3524 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3525 cgraph_decide_inlining_incrementally): Update use of
3526 cgraph_check_inline_limits.
3527 * cgraph.c (edge_hash, edge_eq): New function.
3528 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3529 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3530 cgraph_remove_node): Maintain call site hash.
3531 * cgraph.h (struct cgraph_node): Add call_site_hash.
3532 (cgraph_set_call_stmt): New function.
3534 2006-08-20 Jan Hubicka <jh@suse.cz>
3536 PR rtl-optimization/28071
3537 * reload1.c (reg_has_output_reload): Turn into regset.
3538 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3539 choose_reload_regs, emit_reload_insns): Update to new
3540 reg_has_output_reload.
3542 2006-08-20 Jan Hubicka <jh@suse.cz>
3545 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3546 function body sizes.
3547 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3549 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3552 * tree.c (handle_dll_attribute): Return early if not a
3553 var or function decl.
3555 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3558 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3559 alignment of SPE vector types.
3561 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3563 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3565 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3568 * cgraph.h (struct cgraph_node): Remove externally_visible
3570 * cgraphunit.c (process_function_and_variable_attributes): Set
3571 local.externally_visible rather than externally_visible.
3574 * c-common.c (handle_externally_visible_attribute): First look
3575 at TREE_CODE and only if it is function or var decl, check for
3576 non-public objects. Don't warn for DECL_EXTERNAL.
3577 * cgraphunit.c (process_function_and_variable_attributes): Warn
3578 if externally_visible attribute is used on non-public object.
3580 2006-08-17 Jan Hubicka <jh@suse.cz>
3582 PR tree-optimization/27865
3583 * reload1.c (forget_marked_reloads): New function.
3584 (forget_old_reloads_1): When data are passed, just mark the registers
3586 (reload_as_needed): Use the new mechanizm.
3588 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3591 * reload.h (reg_equiv_alt_mem_list): New declaration.
3592 * reload1.c (reg_equiv_alt_mem_list): New definition.
3593 (reload): Initialize it and release it.
3594 (delete_output_reload): Use it.
3595 * reload.c (push_reg_equiv_alt_mem): New function.
3596 (find_reloads_toplev): Call it.
3597 (find_reloads_address, find_reloads_address_1): Likewise.
3598 (find_reloads_subreg_address): Likewise.
3600 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3602 PR rtl-optimization/28489
3603 * sched-ebb.c (begin_schedule_ready): Create basic block
3605 (advance_target_bb): Skip empty blocks.
3606 * haifa-sched.c (bb_note): Make global.
3607 * sched-int.h (bb_note): Add prototype.
3609 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3611 PR tree-optimization/27865
3612 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3614 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3615 fold_used_pointer, pointer_used_p): New functions.
3616 (analyze_scalar_evolution_1): Use fold_used_pointer.
3617 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3618 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3621 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3624 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3625 or the INTEGER_CST. Fail on a CALL_EXPR.
3626 (fold_offsetof): Pass new argument to fold_offsetof_1.
3627 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3628 operand into an INDIRECT_REF.
3629 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3631 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR gcov/profile/26570
3634 * value-prof.c (static_values): Removed.
3635 (tree_find_values_to_profile): Do not set static_values.
3636 (find_values_to_profile): Do not free static_values.
3637 * profile.c (instrument_values): Do not free the values.
3638 (branch_prob): Free the values.
3640 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3642 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3644 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3647 * c-typeck.c (build_component_ref): Combine qualifiers of
3648 structure or union and field.
3650 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3652 PR rtl-optimization/28071
3653 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3654 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3655 * tree-into-ssa.c (struct dom_dfsnum): New.
3656 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3658 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3659 compute_global_livein.
3660 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3661 in phi nodes in the correct blocks.
3663 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3665 PR tree-optimization/28364
3666 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3668 (fold_affine_expr): New function.
3669 (may_eliminate_iv): Use fold_affine_expr.
3671 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3674 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3677 2006-08-16 Mike Stump <mrs@apple.com>
3679 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3680 * doc/cppopts.texi (-MD): Likewise.
3682 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3685 * c-common.c (handle_weak_attribute): Ignore and warn if
3686 not a FUNCTION_ or VAR_DECL.
3688 2006-07-15 Mike Stump <mrs@apple.com>
3691 * c-parser.c (c_parser_typeof_specifier): Don't use
3692 c_finish_expr_stmt, open code desired semantics instead.
3694 2006-08-15 Nick Clifton <nickc@redhat.com>
3696 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3697 fragment to tmake_file only if threads are enabled.
3698 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3699 * config/i386/t-gthr-win32: New file. ... here.
3701 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3704 * c-parser.c (c_parser_compound_statement_nostart): Reset
3705 parser->error after each statement.
3707 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3710 * omp-low.c (lower_omp_parallel): Convert t to
3711 receiver_decl's type.
3712 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3713 source before comparison.
3716 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3717 to itype in assignment to oldival2.
3719 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3723 * c-typeck.c (build_compound_expr): If the second expression
3724 is an error mark, then just return an error mark instead of
3725 creating a COMPOUND_EXPR.
3727 2006-07-14 Mike Stump <mrs@apple.com>
3729 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3731 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3733 * c-decl.c, var-tracking.c: Fix comment typos.
3735 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3737 PR rtl-optimization/28634
3738 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3739 for floating-point modes unless flag_unsafe_math_optimizations.
3741 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3742 Andrew Pinski <pinskia@physics.uc.edu>
3745 * tree.c (build_array_type): Unify array types with
3746 unspecified index_type.
3747 * c-decl.c (grokdeclarator): Make sure we do not modify a
3748 unified incomplete array type.
3749 * c-typeck.c (store_init_value): Create distinct type before
3750 filling in the index type in an initializer from a compound
3753 * c-decl.c (grokdeclarator): Remove code where we copy the
3756 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3758 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3759 into account for TODO_dump_cgraph.
3760 (TODO_update_ssa_no_phi): Likewise.
3761 (TODO_update_ssa_full_phi): Likewise.
3762 (TODO_update_ssa_only_virtuals): Likewise.
3763 (TODO_remove_unused_locals): Likewise.
3764 (TODO_set_props): Likewise.
3765 (TODO_update_stmt_usage): Likewise.
3767 2006-08-13 Dirk Mueller <dmueller@suse.de>
3769 * c-common.c (strict_aliasing_warning): Fix formatting.
3771 2006-08-13 Matthias Klose <doko@debian.org>
3773 * doc/invoke.texi: Fix spelling errors.
3775 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3777 PR rtl-optimization/23454
3778 * reorg.c (relax_delay_slots): Update comment.
3780 2006-08-11 Richard Guenther <rguenther@suse.de>
3783 * simplify-rtx.c (simplify_const_relational_operation):
3784 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3787 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3789 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3790 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3792 2006-08-10 Paul Brook <paul@codesourcery.com>
3794 * final.c (final_scan_insn): Clear current_insn_predicate before
3795 outputting inline asm.
3797 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3799 PR tree-optimization/26197
3800 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3801 get_ref_base_and_extent and overlap_subvar to add only relevant
3802 subvars as may-aliases.
3803 (add_may_alias_for_new_tag): New function, factored out of
3805 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3806 with additional argument.
3807 * tree-flow.h (new_type_alias): Takes additional argument.
3809 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3811 * gcov.c (no_data_file): New flag.
3812 (read_count_file): Set it if data file not present. Assume counts
3814 (output_lines): Don't name the data file, if there wasn't one.
3816 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3818 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3819 (rs6000_generate_compare): Tweak comments.
3820 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3822 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3824 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3825 (var_debug_decl): New function.
3826 (var_reg_set): Follow debug decl link. Add location even if
3827 reg is already known to hold some other variable.
3828 (var_mem_set): Follow debug decl link.
3829 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3830 decl link. Delete other known locations of the variable part
3832 (var_reg_delete, var_mem_delete): Delete other known locations
3833 of the variable part if requested.
3834 (same_variable_part_p): New function.
3835 (add_stores): Select MO_COPY when appropriate.
3836 (vt_initialize): Handle it.
3837 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3838 known locations for MO_SET and MO_CLOBBER.
3839 (find_variable_location_part): New function.
3840 (set_variable_part, delete_variable_part): Use it.
3841 (clobber_variable_part): New function.
3842 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3845 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3847 PR tree-optimization/26969
3848 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3849 with an empty list of PHIs.
3851 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3855 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3858 2006-08-06 Andreas Schwab <schwab@suse.de>
3860 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3861 string. Whitespace and comment fixup.
3863 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3866 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3870 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3873 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3875 2006-08-04 Jan Hubicka <jh@suse.cz>
3879 * reload.c (push_reload): Patch out the mismatching instruction;
3881 (find_reload): Bail out if the instruction was patched out.
3883 2006-08-04 Jan Hubicka <jh@suse.cz>
3885 PR tree-optimization/24888
3886 * tree-inline.c (expand_call_inline): Do not re-record variables.
3887 (declare_inline_vars): Add variable to unexpanded_var_list.
3889 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3890 Roger Sayle <roger@eyesopen.com>
3892 PR rtl-optimization/26244
3893 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3894 inner_const are negative or greater than or equal to the bitsize of
3895 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3896 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3897 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3898 CONST0_RTX (mode) when the new shift count is greater than or equal to
3899 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3902 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3904 * tree-cfg.c: Fix a comment typo.
3906 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3909 * varasm.c (output_constant): Give the front end another chance to
3910 expand constants, after stripping NOPs.
3912 2006-08-03 Jan Hubicka <jh@suse.cz>
3914 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3917 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3919 PR tree-optimization/27770
3920 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3921 declaration removed (moved to tree-flow.h).
3922 (vect_can_force_dr_alignment_p): Likewise.
3923 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3924 (moved from tree-vectorizer.h).
3925 (vect_can_force_dr_alignment_p): Likewise.
3926 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3927 from outside the vectorizer - in particular from cgraph stage.
3928 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3929 the alignment of global arrays when -fsection-anchors is enabled.
3930 * cgraphunit.c (cgraph_increase_alignment): New function.
3931 (cgraph_optimize): Call cgraph_increase_alignment.
3933 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3936 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3937 not reload a SPE symbol_ref into a lo_sum address.
3939 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3942 * dwarf2out.c (prune_unused_types_prune): Move call to
3943 prune_unused_types_update_strings to cover the parent DIE also.
3945 2006-08-02 Jan Hubicka <jh@suse.cz>
3947 PR gcov/profile/28480
3948 * tree-cfg.c (change_bb_for_stmt): New function.
3949 (tree_merge_blocks, tree_split_blocks): Use it.
3951 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3957 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3958 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3959 (cgraph_optimize): Likewise.
3961 2006-08-01 Stuart Hastings <stuart@apple.com>
3963 * rtl.h (UINTVAL) New.
3964 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3965 * testsuite/gcc.dg/20060801-1.c: New.
3967 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3970 * c-typeck.c (build_external_type): Mark used enum types.
3971 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3973 (gen_subprogram_die): Whitespace fix.
3975 2006-08-01 Jan Hubicka <jh@suse.cz>
3977 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3978 bitmap when not needed.
3979 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3982 2006-08-01 Dirk Mueller <dmueller@suse.de>
3984 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3986 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3988 * Makefile.in: Revert part of previous patch:
3989 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3992 2006-07-30 Eric Christopher <echristo@apple.com>
3995 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3996 (PowerPC Variable Attributes): New section.
3998 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4000 PR target/28126 (partial fix)
4001 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4003 2006-07-28 Jan Hubicka <jh@suse.cz>
4005 PR rtl-optimization/28071
4006 * cfgrtl.c (rtl_delete_block): Free regsets.
4007 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4009 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4011 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4012 and variables used in dependencies.
4014 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4016 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4017 %fs for -mcmodel=kernel.
4018 (stack_tls_protect_test_di): Likewise.
4020 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4022 * Makefile.in: Use mkinstalldirs.
4024 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4027 * opts-common.c (prune_options): Skip joined switches.
4029 2006-07-27 Jan Hubicka <jh@suse.cz>
4031 PR rtl-optimization/28071
4032 * cselib.c (cselib_process_insn): Don't remove useless values too
4033 often for very large hashtables.
4035 2006-07-27 Jan Hubicka <jh@suse.cz>
4037 PR rtl-optimization/28071
4038 * global.c (greg_obstack): New obstack.
4039 (allocate_bb_info): Use it.
4040 (free_bb_info): Likewise.
4041 (modify_reg_pav): Likewise.
4043 2006-07-27 Roger Sayle <roger@eyesopen.com>
4045 * builtins.c (fold_fixed_mathfn): When long and long long are the
4046 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4047 functions to their lceil*, lfloor*, lround* and lrint* forms.
4049 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4052 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4054 (rev_branch_insn): Likewise.
4056 2006-07-27 Jan Hubicka <jh@suse.cz>
4058 PR rtl-optimization/28071
4059 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4060 (reg_set_in_bb, max_reg_computed): New static variables.
4061 (regmove_optimize): Free the new array.
4062 (fixup_match_1): Update call of reg_is_remote_constant_p.
4064 2006-07-26 Jan Hubicka <jh@suse.cz>
4066 PR tree-optimization/27882
4067 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4069 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4071 (cgraph_analyze_compilation_unit): Likewise.
4072 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4073 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4074 (cgraph_early_inlinine): Make order garbage collected.
4075 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4077 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4079 * dbxout.c (output_types_sort): Add a comment.
4080 (output_used_types): Free the VEC.
4082 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4084 * function.c (reorder_fix_fragments): Delete.
4085 (reorder_blocks): Don't call it.
4086 (reorder_blocks_1): Put all subblocks under the origin block.
4088 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4090 PR rtl-optimization/27907
4091 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4094 2006-07-25 Roger Sayle <roger@eyesopen.com>
4097 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4098 bar(x) check that bar's result type can represent all the values of T.
4100 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4102 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4104 2006-07-25 Nick Clifton <nickc@redhat.com>
4106 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4107 size_lookup[] array.
4108 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4109 (ggc_pch_count_object): Likewise.
4110 (ggc_pch_alloc_object): Likewise.
4111 (ggc_pch_write_object): Likewise.
4112 (init_ggc): Do not attempt to initialize entries in the
4113 size_lookup[] array for objects whose size is greater than than
4114 the length of the array.
4116 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4118 * dbxout.c (output_used_types_helper): Push queued types
4120 (output_types_sort): New.
4121 (output_used_types): Collect used types on a VEC and sort them
4124 2006-07-24 Richard Guenther <rguenther@suse.de>
4127 * cgraph.c (cgraph_remove_node): Do not check if dumps
4129 * cgraphunit.c (cgraph_optimize): Likewise.
4131 2006-07-24 Jan Hubicka <jh@suse.cz>
4133 PR rtl-optimization/28071
4134 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4135 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4136 splitting before first stmt.
4138 2006-07-24 Jan Hubicka <jh@suse.cz>
4140 PR rtl-optimization/28071
4141 * ipa-inline.c (update_caller_keys): Remove edges that
4142 are no longer inline candidates.
4144 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4147 * dbxout.c (output_used_types_helper, output_used_types): New.
4148 (dbxout_symbol): Call output_used_types.
4150 2006-07-23 Jan Hubicka <jh@suse.cz>
4154 * cgraph.c (cgraph_varpool_nodes): Export.
4155 (decide_is_variable_needed): Ignored "used" attribute in
4156 unit-at-a-time mode.
4157 * cgraph.h (cgraph_varpool_nodes): Declare.
4158 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4159 unit-at-a-time mode.
4161 2006-07-23 Roger Sayle <roger@eyesopen.com>
4164 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4165 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4166 the __gthrw form of thr_keycreate.
4167 (__gthread_key_delete): Silence the unused argument warning.
4169 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4172 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4173 Cache the last found '\0' marker to avoid quadratic behavior.
4175 2006-07-23 Jan Hubicka <jh@suse.cz>
4177 * i386.md (subsi_3_zext): Fix output template.
4179 2006-07-21 Mike Stump <mrs@apple.com>
4181 * doc/invoke.texi (C++ Dialect Options): Note that
4182 -fvisibility-inlines-hidden doesn't affect explicitly
4183 instantiationed inline methods.
4185 2006-07-20 Roger Sayle <roger@eyesopen.com>
4187 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4188 if the target assembler is GNU binutils' gas.
4189 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4190 whether to pass GNU gas or native as command line options.
4192 2006-07-20 Jason Merrill <jason@redhat.com>
4194 * tree.c (remove_attribute): New fn.
4195 * tree.h: Declare it.
4197 2006-07-20 Paul Brook <paul@codesourcery.com>
4200 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4201 they are invalidated by this instruction.
4203 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4206 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4208 2006-07-20 Eric Christopher <echristo@apple.com>
4211 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4213 2006-07-19 Eric Christopher <echristo@apple.com>
4215 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4216 Rewrite dependencies for libgcc_s.1.dylib.
4218 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4220 * except.c (duplicate_eh_regions_1): Clear next_peer.
4222 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4224 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4225 -mlongcall does not guarantee all calls will be long.
4226 * doc/extend.texi (long_call/short_call): Document that longcall
4227 does not guarantee a long call will be used.
4228 (longcall/shortcall): Likewise.
4230 2006-07-18 Roger Sayle <roger@eyesopen.com>
4233 * expmed.c (expand_shift): Additionally check that the shift_cost
4234 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4235 before implementing a LSHIFT_EXPR as a sequence of additions.
4236 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4237 middle-end that DImode shifts need to be synthesized by expand.
4239 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4242 * tree-ssa-operands.c (access_can_touch_variable): Update
4244 Return true if ALIAS is .GLOBAL_VAR.
4246 2006-07-18 David Daney <ddaney@avtrex.com>
4248 * gcc.c (display_help): Fix typo in help text.
4250 2006-07-18 Olivier Hainque <hainque@adacore.com>
4252 * tree.h (categorize_ctor_elements): Adjust prototype and add
4253 descriptive comment, both in accordance with the interface change
4255 * varasm.c (constructor_static_from_elts_p): New function.
4256 Whether a constructor node is a valid static constant initializer
4257 if all its elements are.
4258 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4259 * output.h: Declare it.
4260 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4261 is a valid constant initializer instead of computing the number of
4262 non-constant elements. Use constructor_static_from_elts_p for this
4263 purpose. Replace the head comment with an indication that this is a
4264 helper for categorize_ctor_elements.
4265 (categorize_ctor_elements): Same interface change as for the _1
4266 helper. Former head comment from this helper moved here, adjusted to
4267 account for the interface changes.
4268 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4269 (all_zeros_p): Likewise.
4270 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4271 static versions of the constructor from the categorize_ctor_elements
4272 return value instead of the formerly computed number of non-constant
4275 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4277 * configure: Regenerate.
4278 * Makefile.in (build_libsubdir): New configure substitution
4279 (build_libobjdir): New variable.
4280 (BUILD_LIBIBERTY): Use it.
4282 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4285 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4287 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4290 * c-common.c (handle_weakref_attribute): Ignore attribute in
4291 the same conditions the alias attribute is ignored.
4293 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4295 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4296 (dbxout_begin_prologue): Increment scope_labelno.
4298 2006-07-17 Richard Henderson <rth@redhat.com>
4301 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4304 2006-07-17 Roger Sayle <roger@eyesopen.com>
4305 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4307 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4308 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4309 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4310 functions such as sbrk, write, etc.. Add function prototypes.
4311 Convert function declarations from K&R to ISO C. Cast pointers
4312 to "long" and "unsigned long" instead of "int" and "unsigned int".
4313 Convert tokens following #endif into comments.
4315 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4317 * invoke.texi: Remove mention of f77; Reformat table for
4318 inline parameter options correctly; mention that -malign-double
4319 is default on x86-64 targets.
4321 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4323 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4324 (convert_affine_scev, chrec_convert_aggressive): Use
4325 avoid_arithmetics_in_type_p. Do not check for the subtypes
4328 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4331 * optabs.c (expand_doubleword_shift): Wrap the call to
4332 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4334 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4337 * optabs.c (expand_binop): Pass next_methods rather than methods
4338 to expand_doubleword_shift.
4340 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4343 * tree.h (dump_addr): Declare.
4344 * print-tree.c (dump_addr): New function.
4345 (print_node_brief, print_node): Use it.
4346 * print-rtl.c (print_rtx): Likewise.
4347 * common.opt (-fdump-noaddr): New option.
4348 * doc/invoke.texi (-fdump-noaddr): Document.
4349 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4350 (ve_info_hash): Likewise.
4352 2006-07-13 Andrew Haley <aph@redhat.com>
4354 PR tree-optimization/19505
4355 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4356 edge leaving this block, make sure that the destination of this
4357 block has only one predecessor.
4359 2006-07-17 Richard Guenther <rguenther@suse.de>
4361 PR tree-optimization/28238
4362 * tree-inline.c (copy_bb): Check if we produced valid
4363 gimple copying and substituting a stmt. If not, gimplify
4366 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4368 * optabs.c (maybe_encapsulate_block): New function extracted from...
4369 (emit_libcall_block): ...here. Invoke it on the block of insns to
4370 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4371 (emit_no_conflict_block): Likewise.
4373 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4375 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4377 2006-07-15 Roger Sayle <roger@eyesopen.com>
4379 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4380 a new NOP_EXPR case of the switch statement.
4382 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4385 * stor-layout.c (place_field): Take the bit field with
4386 an excessive size into account in the ms-bitfiled case.
4389 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4390 the previous bit field.
4392 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4395 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4397 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4399 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4400 signal frames correctly even when the signal was installed with
4403 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4405 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4406 (dbxout_function_end): Use local label LFBB. Remove hook
4408 (dbxout_source_line): Use local label LFBB.
4409 (dbxout_block): Likewise.
4410 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4411 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4412 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4413 and DBX_OUTPUT_NFUN.
4415 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4417 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4419 2006-07-13 Jan Hubicka <jh@suse.cz>
4421 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4423 * output.h (align_variable): Declare.
4424 * varasm.c (align_variable): Export.
4425 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4426 when basic block changed.
4428 2006-07-13 Nick Clifton <nickc@redhat.com>
4430 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4431 walking the LOG_LINKS chain.
4433 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4435 * doc/invoke.texi (C++ Dialect Options): Explain difference
4436 between -fvisibility-inlines-hidden and setting hidden
4437 visibility explicitly.
4439 2006-07-12 Eric Christopher <echristo@apple.com>
4441 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4442 (stmp-lipo): Depend on libgcc.a.
4444 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4446 * tree.c: Fix a comment typo.
4448 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4450 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4452 (umulhisi3_r): Likewise.
4454 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4457 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4458 x < 19, vs wchar_t support.
4460 2006-07-12 Nick Clifton <nickc@redhat.com>
4462 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4463 instead of -isa=sh4.
4465 2006-07-12 Mike Stump <mrs@apple.com>
4467 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4469 2006-07-10 Eric Christopher <echristo@apple.com>
4471 * config/t-slibgcc-darwin: Rewrite.
4473 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4476 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4479 2006-07-08 Matthias Klose <doko@debian.org>
4481 * doc/sourcebuild.texi: Fix typo.
4483 2006-07-07 Mike Stump <mrs@apple.com>
4485 * toplev.c (process_options): Don't give -ffunction-sections may
4486 affect debugging warning for Mach-O.
4488 2006-07-07 James E Wilson <wilson@specifix.com>
4490 * config/mips/mips.md (cpu): Add sb1a.
4491 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4492 addition to sb1. Adjust comments to clarify SB-1A differences from
4494 (ir_sb1a_load): New. Modify bypasses to use it.
4495 (ir_sb1a_simple_alu): Likewise.
4496 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4497 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4498 (mips_issue_rate): Add PROCESSOR_SB1A.
4499 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4500 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4501 (TARGET_SB1): Add PROCESSOR_SB1A check.
4502 (TUNE_SB1): Likewise.
4504 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4505 * config/mips/mips.c (mips_store_data_bypass_p): New.
4506 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4507 store_data_bypass_p.
4509 2006-07-08 Paul Brook <paul@codesourcery.com>
4512 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4514 2006-07-07 Richard Guenther <rguenther@suse.de>
4517 * tree.h (build_one_cst): Declare.
4518 * tree.c (build_one_cst): New function.
4519 * tree-ssa-math-opts.c (get_constant_one): Remove.
4520 (insert_reciprocals): Use build_one_cst.
4521 * fold-const.c (fold_plusminus_mult): Likewise.
4523 2006-07-07 Roger Sayle <roger@eyesopen.com>
4525 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4526 * cfgloopanal.c (dump_graph): Likewise.
4527 * dojump.c (discard_pending_stack_adjust): Likewise.
4528 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4530 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4531 * function.c (finalize_block_changes): Likewise.
4532 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4533 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4534 * rtl.c (dump_rtx_statistics): Likewise.
4535 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4537 * varray.c (dump_varray_statistics): Likewise.
4538 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4539 decode_decimal64, encode_decimal128, decode_decimal128,
4540 decimal_real_to_decimal): Likewise.
4542 2006-07-07 Richard Guenther <rguenther@suse.de>
4544 PR tree-optimization/28187
4545 * tree-vrp.c (vrp_operand_equal_p): New function.
4546 (vrp_bitmap_equal_p): Likewise.
4547 (update_value_range): Use them to compare old and new
4550 2006-07-06 Roger Sayle <roger@eyesopen.com>
4552 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4553 a default case to switch statement to silence compiler warnings.
4555 2006-07-06 Roger Sayle <roger@eyesopen.com>
4558 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4559 the configured assembler supports the x87's ffreep mnemonic.
4560 * configure: Regenerate.
4561 * config.in: Regenerate.
4563 * config/i386/i386.c (output_387_ffreep): New function.
4564 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4565 (output_387_reg_move): Likewise.
4567 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4569 Port to hosts whose 'sort' and 'tail' implementations
4570 treat operands with leading '+' as file names, as POSIX
4571 has required since 2001. However, make sure the code still
4572 works on pre-POSIX hosts.
4573 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4574 which says you should use "tail -c +N" rather than "tail +Nc".
4575 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4577 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4579 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4582 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4585 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4586 PRE_{INC,DEC} of TFmode.
4588 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4589 Alan Modra <amodra@bigpond.net.au>
4592 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4595 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4598 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4599 Remove duplicate gtu.
4601 2006-07-05 Jason Merrill <jason@redhat.com>
4605 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4606 * c-common.c (handle_packed_attribute): So don't copy it here.
4607 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4609 2006-07-05 Mike Stump <mrs@apple.com>
4611 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4613 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4616 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4618 2006-07-05 Richard Guenther <rguenther@suse.de>
4621 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4622 TARGET_SSE2 targets if using SSE math.
4623 (*absdf2_1): Likewise.
4625 2006-07-05 Richard Guenther <rguenther@suse.de>
4627 PR tree-optimization/28162
4628 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4629 make sure to convert the operands to the correct type.
4631 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4633 PR tree-optimization/28218
4635 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4636 to calculate and free the dominator information.
4638 2006-07-04 Peter O'Gorman <peter@pogma.com>
4640 * mklibgcc.in: chmod 644 before ranlib during install.
4642 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4643 J"orn Rennecke <joern.rennecke@st.com>
4645 * configure.ac (.eh_frame data check): Use diff -b.
4647 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4650 * Makefile.in (BUILD_RTL): Add build/vec.o.
4651 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4652 (build/genextract): Delete.
4653 (build/genautomata): Likewise.
4655 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4658 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4659 128-bit IBM long doubles for ABI_V4.
4661 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4663 * tree.c (range_in_array_bounds_p): New predicate.
4664 * tree.h (range_in_array_bounds_p): Declare it.
4665 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4666 return a less conservative answer.
4667 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4668 and flag 'is_group'.
4669 (IS_ELEMENT_FOR_GROUP): New macro.
4670 (FOR_EACH_ACTUAL_CHILD): Likewise.
4671 (next_child_for_group): New helper function.
4672 (can_completely_scalarize_p): Take into account groups.
4673 (sra_hash_tree): Handle RANGE_EXPR.
4674 (sra_elt_eq): Likewise.
4675 (lookup_element): Be prepared for handling groups.
4676 (is_valid_const_index): Delete.
4677 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4678 instead of is_valid_const_index.
4679 <ARRAY_RANGE_REF>: New case.
4680 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4681 is_valid_const_index.
4682 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4683 (scan_dump): Dump info for groups too.
4684 (decide_instantiation_1): Likewise.
4685 (decide_block_copy): Assert that the element is not a group.
4686 Propagate decision to groups.
4687 (generate_one_element_ref): Handle RANGE_EXPR.
4688 (mark_no_warning): Iterate over actual childs.
4689 (generate_copy_inout): Likewise.
4690 (generate_element_copy): Likewise.
4691 (generate_element_zero): Likewise.
4692 (generate_element_init_1): Likewise.
4693 (dump_sra_elt_name): Handle RANGE_EXPR.
4695 2006-07-03 Roger Sayle <roger@eyesopen.com>
4697 PR tree-optimization/26251
4698 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4699 (thread_block): When optimizing for size refuse to thread jumps
4700 that would require duplication of blocks other than redirection
4703 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4705 * configure.ac: Fix thinko in previous check-in.
4706 * configure: Regenerate.
4708 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4711 * configure.ac (for lang...): Simplify nesting of conditionals.
4712 Test subdir_requires for non-enabled languages. Move processing
4713 of lang_opt_files and lang_tree_fiels below that test.
4714 * configure: Regenerate.
4715 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4717 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4719 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4721 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4723 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4726 2006-06-29 Jason Merrill <jason@redhat.com>
4733 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4734 * c-common.c (c_determine_visibility): Handle it here.
4735 * c-decl.c (finish_decl): Call c_determine_visibility for
4737 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4739 * varasm.c (default_assemble_visibility): Likewise.
4740 * c-common.c (handle_visibility_attribute): Complain about trying
4741 to give visibility to an already defined class, or trying to change
4742 declared visibility. Always attach the attribute.
4747 * attribs.c (decl_attributes): Ignore type-in-place attributes
4748 once the type has been defined.
4750 2006-06-29 Roger Sayle <roger@eyesopen.com>
4753 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4754 to indicate the cpplib has issued an error message for us.
4756 2006-06-29 Asher Langton <langton2@llnl.gov>
4759 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4760 insert a label at the end of an function under Mach-O.
4762 2006-06-29 Eric Christopher <echristo@apple.com>
4763 Evan Cheng <evan.cheng@apple.com>
4765 * predicates.md (vector_all_ones_operand): New.
4766 (nonimmediate_or_sse_const_operand): Ditto.
4767 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4768 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4769 (standard_sse_mode_p): Ditto.
4770 (standard_sse_constant_p): Add case for -1 vector.
4771 (ix86_expand_vector_move): Try to use.
4772 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4773 Call standard_sse_constant_opcode.
4774 (*movv4sf_internal): Ditto.
4775 (*movv2df_internal): Ditto.
4777 2006-06-29 Roger Sayle <roger@eyesopen.com>
4779 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4780 of XEXP to extract the operands of a MATCH_CODE rtx.
4782 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4784 * tree.c (tree_size): Do not waste tail padding in
4785 struct tree_string and make the size be the same as
4786 build_string will generate.
4788 2006-06-28 Jason Merrill <jason@redhat.com>
4791 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4792 may_aliases already in the tag's annotations to the bitmap.
4794 2006-06-28 Roger Sayle <roger@eyesopen.com>
4796 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4798 2006-06-28 Roger Sayle <roger@eyesopen.com>
4800 * genpreds.c (generate_switch_p): New function.
4801 (add_mode_tests): Push the new mode test down inside an AND expr
4802 if this allows the switch-suitable MATCH_CODE to be near the root.
4803 (write_match_code_switch): New function to write a MATCH_CODE as
4805 (write_predicate_stmts): New function to write a predicate RTX
4806 expression as a sequence of statements.
4807 (write_one_predicate_function): Use write_predicate_stmts.
4808 (write_tm_constrs_h): Likewise.
4810 2006-06-26 Fred Fish <fnf@specifix.com>
4812 * config/mips/t-sb1: New file.
4813 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4816 2006-06-26 DJ Delorie <dj@redhat.com>
4818 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4820 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4821 Jayant Sonar <jayants@kpitcummins.com>
4822 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4824 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4825 (subsi3, subsi3_1, subsi3_2): New.
4826 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4827 * config/m32c/mov.md (SI mov peephole): New.
4828 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4829 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4831 2006-06-26 Olivier Hainque <hainque@adacore.com>
4833 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4834 a CALL_EXPR target function declaration.
4836 2006-06-26 Richard Guenther <rguenther@suse.de>
4838 * tree.c (build_string): Do not waste tail padding in
4841 2006-06-26 Richard Guenther <rguenther@suse.de>
4843 * ggc-page.c (init_ggc): Add missing element to size_lookup
4847 2006-06-23 Richard Guenther <rguenther@suse.de>
4849 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4850 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4851 alignment requests instead. Add verification code.
4852 Add struct tree_function_decl and struct tree_binfo size to
4853 extra_order_size_table. Add missing element to size_lookup
4856 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4859 * fold-const.c (const_binop): Be prepared for self returning zero.
4860 Simplify code handling complex values.
4862 2006-06-24 Olivier Hainque <hainque@adacore.com>
4864 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4865 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4868 2006-06-24 Olivier Hainque <hainque@adacore.com>
4870 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4871 ARRAY_REF, so have the callback called for the low bound expression.
4873 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4875 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4876 * c-typeck.c (c_common_type): Disallow operations on decimal float
4877 types and other float types.
4878 * convert.c (convert_to_real): Don't ignore conversions involving
4879 decimal float types.
4881 2006-06-23 Olivier Hainque <hainque@adacore.com>
4883 * tree.c (max_int_size_in_bytes): New function, inspired from
4884 code in function.c:assign_temp.
4885 * tree.h (max_int_size_in_bytes): Declare.
4886 * function.c (assign_temp): Use it.
4887 * gimplify.c (create_tmp_var): Relax the assertions on the type
4888 properties, not mandating constant size any more.
4889 (force_constant_size): New static function.
4890 (gimple_add_tmp_var): Use it, forcing variable size to a
4891 constant upper bound if it is not constant on entry.
4893 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4896 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4897 for initialization and setting of one_only flag to ...
4898 (i386_pe_encode_section_info): ...here.
4899 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4900 Recheck that the symbol has not been defined.
4902 2006-06-23 Richard Guenther <rguenther@suse.de>
4904 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4905 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4906 alignment requests instead. Add verification code.
4907 Add struct tree_function_decl and struct tree_binfo size to
4908 extra_order_size_table. Add missing element to size_lookup
4911 2006-06-22 Roger Sayle <roger@eyesopen.com>
4912 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4915 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4916 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4918 2006-06-23 Ben Elliston <bje@au.ibm.com>
4920 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4921 negate dn -- manipulate it directly.
4923 2006-06-22 Roger Sayle <roger@eyesopen.com>
4924 Steven Bosscher <stevenb.gcc@gmail.com>
4927 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4928 generated by gen_move_insn to add REG_LABEL notes if necessary.
4930 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4932 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4933 (leaf_entry): Remove use of MIN_ESA.
4935 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4937 PR rtl-optimization/28121
4938 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4941 2006-06-21 DJ Delorie <dj@redhat.com>
4943 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4945 (mulhisi3_r): Likewise.
4947 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4950 * coverage.c (coverage_counter_alloc): Leave the index type
4952 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4955 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4957 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4958 section from the "Options for Code Generation Conventions".
4960 2006-06-21 Richard Henderson <rth@redhat.com>
4964 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4966 (global_symbolic_operand): Allow weak symbols, even if local_p.
4968 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4970 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4971 (find_interesting_uses_address): Punt if above function returns true.
4973 2006-06-21 Richard Guenther <rguenther@suse.de>
4975 * configure: Regenerated.
4977 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4979 * config/mips/mips.c (function_arg): Where one part of a
4980 complex argument is in registers and the other part in the stack,
4981 return a REG not a PARALLEL.
4983 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4985 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4986 when cross-compiling. Do not substitute libstdcxx_incdir.
4987 * configure: Regenerated.
4989 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4991 * varasm.c (mergeable_string_section): Check for embedded NULs and
4992 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4993 rather than TREE_STRING_LENGTH bytes.
4995 2006-06-21 Richard Guenther <rguenther@suse.de>
4997 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4998 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5001 2006-06-21 Richrad Guenther <rguenther@suse.de>
5003 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5004 Limit iteration over the dominators.
5006 2006-06-20 Roger Sayle <roger@eyesopen.com>
5008 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5009 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5011 2006-06-20 Richard Guenther <rguenther@suse.de>
5012 Michael Matz <matz@suse.de>
5014 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5016 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5017 * et-forest.h (et_free_pools): Prototype new function.
5018 * et-forest.c (et_free_tree_force): Free parent occurrence.
5019 (et_free_pools): New function.
5020 * dominance.c (free_dominance_info): Free et-forest alloc
5023 2006-06-20 Roger Sayle <roger@eyesopen.com>
5025 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5026 integer modes, attempt to directly construct an integer constant.
5028 * fold-const.c (native_encode_vector): Determine the size of each
5029 element from the vector type instead of the first vector element.
5031 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5032 if all of its elements/components are constant.
5033 (build_constructor_from_list): Likewise.
5035 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5037 PR tree-optimization/27331
5038 * tree-data-ref.c (free_data_ref): New function.
5039 (create_data_ref): Fail if the data reference has unknown access
5041 (free_data_refs): Use free_data_ref.
5043 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5046 * tree-inline.c (setup_one_parameter): Strip useless
5047 type conversion before adding it to the IR.
5048 (declare_return_variable): Likewise.
5050 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5053 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5055 2006-06-19 Mike Stump <mrs@apple.com>
5057 * tree.c (variably_modified_type_p): VM arguments don't make the
5060 2006-06-19 Richard Guenther <rguenther@suse.de>
5062 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5063 type conversions after folding.
5065 2006-06-19 Richard Guenther <rguenther@suse.de>
5067 * ggc-page.c (extra_order_size_tab): Add entries with
5068 size of struct function and basic_block.
5069 (size_lookup): Extend to cover sizes up to 511.
5070 (ggc_alloc_stat): Adjust user.
5071 (ggc_pch_count_object): Likewise.
5072 (ggc_pch_alloc_object): Likewise.
5073 (ggc_pch_write_object): Likewise.
5075 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5077 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5078 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5081 2006-06-19 Denis Chertykov <denisc@overta.ru>
5083 * config/avr/libgcc.S : Correct my wrong previous commit.
5085 2006-06-19 Roger Sayle <roger@eyesopen.com>
5088 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5089 have stripped a SUBREG from the shift count, so we may need to
5090 convert_to_mode back to the type's mode before calling make_tree.
5091 Use new_amount instead of amount to avoid expanding a tree twice.
5093 2006-06-19 Richard Guenther <rguenther@suse.de>
5096 * fold-const.c (operand_equal_p): Check if the argument types
5097 have the same precision before stripping NOPs.
5099 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5101 Fix PR tree-optimization/27341
5102 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5104 * tree-complex.c (pass_lower_complex): Update SMT usage.
5106 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5108 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5109 Add a new alternative to the constraint strings. Add move of
5110 operand 1 to 3 to the splitter definition.
5111 ("doloop_si_long"): Second contraint alternative removed.
5113 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5115 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5116 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5118 (AVR_HAVE_MOVW) Define.
5119 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5120 (ASM_SPEC): Add avr25.
5121 (LINK_SPEC): Add avr25.
5122 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5123 (base_arch_s): Add new member 'have_movw_lpmx'.
5124 (avr_arch_types): Init 'have_movw_lpmx'.
5125 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5126 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5127 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5128 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5129 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5131 (avr_file_start): Do not output '.arh' derective.
5132 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5133 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5134 * config/avr/avr.md (mcu_enhanced): Delete.
5135 (mcu_have_movw): Define.
5136 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5137 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5138 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5139 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5140 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5141 attiny861 and at86rf401 devices.
5143 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5145 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5148 2006-06-17 Karl Berry <karl@gnu.org>
5150 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5151 doc/gccint.texi, doc/install.texi (@dircategory): Use
5152 "Software development" instead of "Programming", following
5153 the Free Software Directory.
5155 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5157 * config/i386/i386.c (legitimate_tls_address)
5158 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5159 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5160 (*tls_dynamic_gnu2_combine_64): Likewise.
5162 2006-06-16 Richard Guenther <rguenther@suse.de>
5165 * fold-const.c (negate_expr_p): Do not introduce undefined
5166 overflow in negating INTEGER_CSTs.
5167 (fold_negate_expr): Rename from negate_expr. Revert last
5168 change for folding BIT_NOT_EXPR. Change semantics to
5169 return NULL_TREE for non-simplified negations. Do not
5170 strip type conversions and unify type handling.
5171 (negate_expr): New function, wrap around fold_negate_expr
5172 but ensure building a tree always. Strip type conversions
5173 here, fold to result type.
5174 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5176 2006-06-16 Roger Sayle <roger@eyesopen.com>
5179 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5180 that (would) return their results in stack registers.
5182 2006-06-16 Michael Matz <matz@suse.de>
5183 Richard Guenther <rguenther@suse.de>
5185 * fold-const.c (fold_truthop): Only return new tree node if
5186 we canonicalized something.
5188 2006-06-16 Richard Guenther <rguenther@suse.de>
5190 * function.h (enum function_frequency): Move declaration
5191 out of struct function.
5192 (struct function): Move bool fields and the enum to the bitfield
5193 section. Reorder elements to avoid padding. Remove unused
5194 fields left over from the RTL inliner removal.
5195 * function.c (free_after_compilation): Do not zero removed fields.
5196 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5197 (ipa-type-escape.o): Likewise.
5199 2006-06-16 Richard Guenther <rguenther@suse.de>
5201 * cgraph.h (struct cgraph_local_info): Turn bool elements
5203 (struct cgraph_node): Likewise.
5204 (struct cgraph_varpool_node): Likewise.
5206 2006-06-15 Richard Guenther <rguenther@suse.de>
5208 * fold-const.c (fold_truth_not_expr): Rename from
5209 invert_truthvalue. Give it fold_* semantics to avoid
5211 (invert_truthvalue): New function. Wrapper around
5212 fold_truth_not_expr.
5213 (optimize_minmax_comparison): Avoid creating garbage.
5214 (fold_unary): Use fold_truth_not_expr for folding
5216 (fold_ternary): Replace uses of invert_truthvalue with
5217 fold_truth_not_expr where applicable.
5218 * tree.h (fold_truth_not_expr): Prototype.
5220 2006-06-16 Richard Guenther <rguenther@suse.de>
5222 PR tree-optimization/27781
5223 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5224 * ipa-pure-const.c (target.h): Include.
5225 (analyze_function): Do not analyze functions that do not
5228 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5231 * tree-dfa.c (referenced_vars_dup_list): Remove.
5232 (find_referenced_vars): Remove assert.
5233 (referenced_var_check_and_insert): Replace dup list with assert.
5234 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5235 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5237 2006-06-15 Richard Guenther <rguenther@suse.de>
5239 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5240 extra unused identifiers if not dumping.
5241 (create_variable_info_for): Likewise.
5243 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5245 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5246 (derive_constant_upper_bound): Derive more precise upper bound in
5247 common cases. Return type changed to double_int.
5248 (record_estimate): Reflect the changed return type of
5249 derive_constant_upper_bound.
5250 * double-int.c (double_int_zext, double_int_sext): Fix.
5252 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5254 * configure.ac (CFLAGS): Get them from the toplevel or from the
5255 configure invocation.
5256 * configure: Regenerate.
5257 * Makefile.in (CFLAGS): Substitute value provided by configure.
5259 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5262 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5263 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5264 rather than calling add_stmt on it.
5265 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5267 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5270 * reload1.c (reload): Remove registers returned by update_eliminables
5271 from used_spill_regs.
5273 2006-06-13 DJ Delorie <dj@redhat.com>
5275 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5277 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5279 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5280 html__strip_dir, html__mkdir_p. Enhance install-html target.
5281 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5282 * configure: Regenerate.
5284 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5286 * fold-const.c (fold_cond_expr_with_comparison): Check for
5287 Objective-C++ as language in deciding COND_EXPR transformation.
5289 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5292 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5293 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5294 * config/sh/lib1funcs.h (SL, SL1): Define.
5295 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5296 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5297 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5298 (OBJS_Os_4_200): New variable.
5299 ($(T)libgcc-Os-4-200.a): Use it.
5300 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5301 when dividing 1 and/or by 0.
5303 2006-06-13 Roger Sayle <roger@eyesopen.com>
5305 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5306 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5307 * configure: Regenerate.
5309 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5311 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5312 for real instruction.
5314 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5317 * haifa-sched.c (check_cfg): Handle special case.
5319 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5322 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5323 Add debug_info parameter. Chain the vars to the BLOCK instead
5324 of the BIND_EXPR if debug info are requested for them.
5325 (pop_gimplify_context): Adjust for above change.
5326 (gimple_add_tmp_var): Likewise.
5327 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5329 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5330 (convert_local_reference): Likewise.
5331 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5332 (finalize_nesting_tree_1): Request that debug info be emitted
5333 for debug_var_chain.
5335 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5337 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5338 for PR target/27863.
5340 2006-06-13 Richard Guenther <rguenther@suse.de>
5343 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5345 2006-06-13 Richard Guenther <rguenther@suse.de>
5347 PR tree-optimization/27830
5348 * tree-inline.c (copy_body_r): For copying the operand
5349 of an ADDR_EXPR make sure to fold &* afterwards.
5351 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5353 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5354 lvalues in the fb_none case with side-effects.
5356 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5358 * tree-flow.h: Remove the prototype for
5359 compute_phi_arg_on_exit.
5360 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5361 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5364 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5366 * builtins.c (expand_builtin_return_addr): Only use
5367 frame_pointer_rtx when count == 0 and we are expanding
5368 __builtin_return_address.
5370 2006-06-12 Fred Fish <fnf@specifix.com>
5372 * config/mips/mips.c (mips_file_start): Create special section
5373 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5375 2006-06-11 Eric Christopher <echristo@apple.com>
5378 * stor-layout.c (place_field): Remove check for
5379 remaining_in_alignment when aligning at the end of a run.
5381 2006-06-11 Eric Christopher <echristo@apple.com>
5384 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5387 2006-06-11 Roger Sayle <roger@eyesopen.com>
5390 Revert incorrect fix for PR target/27158
5391 2006-05-08 Roger Sayle <roger@eyesopen.com>
5392 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5393 of a reg_equiv_constant if the result is a legitimate constant.
5395 2006-06-11 Roger Sayle <roger@eyesopen.com>
5398 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5399 extract a CONST_VECTOR element and interpret it as an integer.
5400 (vspltis_constant): Use const_vector_elt_as_int instead of the
5401 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5402 * config/rs6000/predicates.md (easy_vector_const): Consider
5403 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5405 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5408 * stor-layout.c (update_alignment_for_field): Don't add extra
5409 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5412 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5414 * config/mips/t-rtems: Add EL/EB multilib variants.
5416 2006-06-09 Mike Stump <mrs@apple.com>
5418 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5420 2006-06-09 David Daney <ddaney@avtrex.com>
5422 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5424 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5426 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5428 2006-06-09 Richard Guenther <rguenther@suse.de>
5430 PR tree-optimization/26998
5431 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5432 of signed types, only TYPE_MIN_VALUE is special, but for both,
5433 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5434 in this case, as is -fwrapv.
5436 2006-06-08 Mike Stump <mrs@apple.com>
5439 * config/darwin.c (darwin_asm_output_anchor): Disable
5440 -fsection-anchors on darwin for now.
5441 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5442 * rs6000/rs6000.c (optimization_options): Likewise.
5444 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5447 * config/i386/i386.c (classify_argument): Skip fields with invalid
5450 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5452 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5453 (cse_insn): Likewise for the stack_pointer_rtx.
5455 2006-06-08 Roger Sayle <roger@eyesopen.com>
5457 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5458 conditions from floating point comparisons.
5460 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5463 * expmed.c (struct alg_hash_entry): Fix type of field T
5464 to match synth_mult argument.
5465 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5467 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5470 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5473 2006-06-08 Richard Guenther <rguenther@suse.de>
5476 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5477 only, if overflow is defined and not trapping.
5478 (negate_expr): Likewise.
5480 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5482 PR tree-optimization/27872
5483 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5484 flag on the new exit edge of the unrolled loop.
5486 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5488 PR rtl-optimization/26449
5489 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5491 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5494 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5495 referenced_variables with matching DECL_UID's.
5496 (find_referenced_vars): Make sure duplicate list is empty to start.
5497 (referenced_var_p): Remove.
5498 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5499 Check if var is in the list, and add if needed. Update the duplicate
5500 list if a different var is in the list with the same DECL_UID.
5501 (add_referenced_var): Call routine to check and insert.
5502 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5503 * tree-flow.h (referenced_vars_dup_list): External declaration.
5505 2006-06-07 Fred Fish <fnf@specifix.com>
5507 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5510 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5513 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5514 the imaginary and real parts of a clobbered register.
5515 Emit insn to set the imaginary part.
5517 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5519 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5520 in lieu of unwind-dw2-fde.c.
5522 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5524 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5526 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5529 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5530 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5531 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5532 V4SImode temporaries and operations instead.
5534 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5536 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5539 2006-06-06 Mike Stump <mrs@apple.com>
5541 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5542 installing during build.
5544 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5546 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5548 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5549 * config/ia64/ia64.c (params.h): New header.
5550 (ia64_optimization_options): New function to adjust parameters.
5551 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5552 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5553 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5555 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5557 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5559 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5562 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5564 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5565 Victor Kaplansky <victork@il.ibm.com>
5567 PR tree-optimization/26360
5568 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5571 2006-06-04 Roger Sayle <roger@eyesopen.com>
5572 Andrew Pinski <pinskia@physics.uc.edu>
5575 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5576 for LABEL_DECL before calling DECL_WEAK.
5579 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5580 LABEL_DECL and PARM_DECL.
5582 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5586 * c-decl.c (grokdeclarator): Disallow variably modified types at
5587 file scope. Avoid marking shared array type of constant size as
5590 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5593 * c-common.c (fold_offsetof_1): Handle static members.
5595 2006-06-04 Eric Christopher <echristo@apple.com>
5597 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5598 (debug_rli): Output value for remaining_in_alignment.
5599 (update_alignment_for_field): Unconditionalize
5600 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5601 extra alignment code.
5602 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5603 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5604 * tree.h (record_layout_info_s): Remove prev_packed.
5605 * doc/extend.texi (ms_struct): Add documentation of format.
5607 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5609 * tree.h: Declare folding_initializer.
5610 * builtins.c (fold_builtin_constant_p): Give definite answer
5611 if folding inside an initializer.
5612 * fold-const.c: Define folding_initializer.
5613 (START_FOLD_INIT): Save and then set folding_initializer.
5614 (END_FOLD_INIT): Restore folding_initializer.
5616 2006-06-04 Richard Guenther <rguenther@suse.de>
5618 PR tree-optimization/27039
5619 * fold-const.c (fold_comparison): Handle pointer comparison
5620 again for all comparison codes. Compare offsets in signed
5622 (fold_binary): Move code from here.
5624 2006-06-03 Roger Sayle <roger@eyesopen.com>
5627 * config/i386/i386.c (construct_container): Split static issued_error
5628 flag into issued_sse_arg_error, issued_sse_ret_error and
5629 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5630 requires the use of x87 registers and the user explicitly
5631 specified the -mno-80387 command line option.
5633 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5635 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5636 HAVE_DECL_SIGALTSTACK.
5638 (segv_handler): Use MC_FLD.
5639 * configure.ac: Check for a sigaltstack declaration.
5640 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5641 * configure: Regenerate.
5642 * config.in: Regenerate.
5644 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5647 * Makefile.in (stmp-fixinc): Fix typo.
5649 2006-06-02 Roger Sayle <roger@eyesopen.com>
5651 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5652 are type correct. Clean-up.
5653 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5654 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5656 2006-06-01 DJ Delorie <dj@redhat.com>
5658 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5659 shift, as we've disabled the "switch" insn that needs it.
5661 2006-06-01 Per Bothner <bothner@bothner.com>
5663 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5664 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5665 * c-ppoutput.c (cb_define): Don't increment line 0.
5667 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5669 * doc/invoke.texi: Add cpu_type power6.
5670 * config.gcc: Add cpu_type power6.
5671 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5672 to power5+ with Altivec.
5673 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5674 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5676 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5678 * config/avr/avr.h (SET_ASM_OP): Define.
5680 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5682 * config/bfin/bfin.c: Fix comment typos.
5684 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5687 * doc/install.texi: Document --enable-bootstrap and
5688 --disable-bootstrap.
5690 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5692 * doc/install.texi: Document that InfoZIP can replace jar.
5694 2006-05-31 Roger Sayle <roger@eyesopen.com>
5696 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5697 isn't available, directly generate the simpler x87 patterns without
5698 the (use (const_int 0)).
5699 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5700 implementation isn't available.
5701 (*negdf2_1): Likewise.
5702 (*negxf2_1): XF mode negation is always done using the x87.
5703 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5705 2006-05-31 Roger Sayle <roger@eyesopen.com>
5707 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5708 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5710 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5712 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5714 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5715 * config/bfin/bfin.c (basic-block.h): Include.
5716 (struct machine_function): New.
5717 (bfin_init_machine_status): New.
5718 (override_options): Initialize init_machine_status.
5719 (bfin_hardware_loop): New.
5720 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5721 (DEF_VEC_P (loop_info)): New.
5722 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5723 (struct loop_info): New.
5724 (loop_info): New typedef.
5725 (struct loop_work): New.
5726 (loop_work): New typedef.
5727 (DEF_VEC_O (loop_work)): New.
5728 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5729 (bfin_dump_loops): New.
5730 (bfin_bb_in_loop): New.
5731 (bfin_scan_loop): New.
5732 (bfin_optimize_loop): New.
5733 (bfin_reorg_loops): New.
5734 (bfin_reorg): Use bfin_reorg_loops.
5735 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5737 (I_REGNO_P): Simplify.
5738 (DP_REGNO_P, DPREG_P): New macros.
5739 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5740 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5741 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5742 Add LT_REGS, LC_REGS, LB_REGS.
5743 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5745 (REGNO_REG_CLASS): Deal with loop registers.
5746 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5748 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5749 New constants for loop registers.
5750 (UNSPEC_LSETUP_END): New.
5751 (seq_insns): New define_attr. Set it for appropriate insns.
5752 (movsi_insn): Add alternatives for move from/to
5753 loop count registers.
5754 (doloop_end): New define_expand.
5755 (loop_end): New define_insn.
5756 (define_split for bad doloop_end): New.
5757 (lsetup_with_autoinit): New define_insn.
5758 (lsetup_without_autoinit): New define_insn.
5759 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5760 * config/bfin/predicates.md (lc_register_operand): New.
5761 (lt_register_operand): New.
5762 (lb_register_operand): New.
5763 (nondp_register_operand): New.
5764 (nondp_reg_or_memory_operand): New.
5765 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5767 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5769 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5770 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5772 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5774 * Makefile.in (CATALOGS): Add po/ prefix.
5775 * configure: Regenerated.
5777 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5780 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5781 a shift operand before calling shift_op. Avoid redundant call of
5784 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5785 DJ Delorie <dj@redhat.com>
5787 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5788 we're inserting is a singlt-bit constant.
5790 2006-05-30 Roger Sayle <roger@eyesopen.com>
5792 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5793 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5795 2006-05-30 Roger Sayle <roger@eyesopen.com>
5797 PR tree-optimization/23452
5798 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5799 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5800 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5801 complex values and with -ffast-math for FP complex values.
5803 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5805 * c-common.h: Remove the prototype for yyparse.
5806 * rtl.h: Remove the prototype for init_loop.
5808 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5810 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5813 2006-05-30 Roger Sayle <roger@eyesopen.com>
5815 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5817 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5818 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5820 2006-05-30 Dirk Mueller <dmueller@suse.de>
5823 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5824 for CONSTANT_CLASS_P expresisons.
5826 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5829 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5831 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5833 PR tree-optimization/27779
5834 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5835 initial_condition instead of CHREC_LEFT.
5837 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5839 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5840 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5841 Make prototypes ISO C90.
5843 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5844 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5846 * see.c (see_analyze_one_def): Correct check.
5847 (see_get_extension_data): Check if extension is parallel.
5848 (see_get_extension_reg): Likewise.
5850 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5853 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5854 into register for (code == GTU).
5856 2006-05-29 Roger Sayle <roger@eyesopen.com>
5858 PR tree-optimization/24964
5859 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5860 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5861 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5862 abs(x)*abs(x) as x*x for scalar floating point modes.
5864 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5867 * lambda-code.c (perfect_nestify): Don't copy statements
5868 in the inner loop: move them to the inner loop header.
5870 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5873 * c-tree.texi: Document OpenMP directives and clauses.
5875 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5877 * varasm.c (globalize_decl): Fix indentation.
5879 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5882 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5883 pass_fre, pass_store_ccp, pass_copy_prop,
5884 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5885 pass_return_slot, pass_object_size, pass_lim,
5886 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5887 pass_loop_prefetch and pass_stdarg.
5889 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5891 * config/bfin/bfin.opt (mfdpic): New option.
5892 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5893 (EXTRA_MULTILIB_PARTS): Likewise.
5894 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5895 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5897 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5898 (CRT_CALL_STATIC_FUNCTION): New.
5899 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5901 (CRT_CALL_STATIC_FUNCTION): New.
5902 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5904 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5905 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5906 (initialize_trampoline): Changed to handle FD-PIC code generation.
5907 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5908 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5909 (override_options): Disallow -mid-shared-library -mfdpic combination.
5910 Can't do unaligned ops if FD-PIC.
5911 Turn off flag_pic if trying to generate non-id-shared-library
5912 non-fdpic code, since it's not supported.
5913 (bfin_assemble_integer): New function.
5914 (TARGET_ASM_INTEGER): Define.
5915 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5917 * config/bfin/crtn.s: Restore them.
5918 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5920 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5921 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5922 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5923 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5924 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5926 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5927 FDPIC_REGS and FDPIC_FPTR_REGS.
5928 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5929 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5930 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5931 (load_funcdescsi): New pattern.
5932 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5933 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5934 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5936 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5938 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5941 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5943 * tree-flow.h: Remove the prototype for add_type_alias.
5944 * tree-ssa-alias.c (add_type_alias): Remove.
5946 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5948 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5949 config/fr30/fr30.md, config/i386/i386-interix.h,
5950 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5951 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5952 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5953 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5954 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5955 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5956 Follow spelling conventions.
5957 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5958 Follow spelling conventions.
5960 2006-05-27 Richard Guenther <rguenther@suse.de>
5963 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5964 to produce a constant of value 1 of generic type.
5966 2006-05-27 Dirk Mueller <dmueller@suse.de>
5968 * cgraphunit.c (decide_is_function_needed): Fix wrong
5971 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5973 PR rtl-optimization/27661
5974 * reload.c (find_reloads): When reloading a VOIDmode constant
5975 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5976 use Pmode as mode of the reload register.
5978 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5980 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5981 is enabled at -O and above.
5983 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5986 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5989 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5992 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5993 for anonymous variables explicitly declared by front ends.
5995 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5997 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5998 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5999 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6000 ref-all pointers, run a finalization pass for them.
6001 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6002 (finalize_ref_all_pointers): New function.
6003 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6004 regular pointer type to a ref-all pointer type.
6005 (get_tmt_for): Return the special memory tag for ref-all pointers.
6007 2006-05-25 Richard Guenther <rguenther@suse.de>
6010 * fold-const.c (fold_binary): Do not look at the stripped
6011 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6013 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6015 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6016 for LT and GT if the computed range is effectively empty.
6018 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6021 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6022 mips_quad_format formats instead of ieee_single_format,
6023 ieee_double_format and ieee_quad_format formats, respectively.
6025 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6027 PR tree-optimization/27639
6028 PR tree-optimization/26719
6029 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6030 call to scev_probably_wraps_p.
6031 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6032 used_in_pointer_arithmetic_p, convert_step): Removed.
6033 (nowrap_type_p): New function.
6034 (scev_probably_wraps_p): Rewritten.
6035 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6036 chrec_convert if chrec_convert_aggressive might have been used.
6037 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6038 scev_direction): New functions.
6039 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6040 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6041 instead of convert_step.
6042 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6043 (convert_step): Declaration removed.
6044 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6046 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6048 * df-core.c: Added to header comments.
6049 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6050 df_ur_bb_info, df_urec_bb_info): Added comments.
6051 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6052 urec, ri problems): Fixed header comments.
6053 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6054 code from df_rd_transfer_function.
6056 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6058 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6059 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6060 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6062 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6064 * expr.c (undefined_operand_subword_p): New.
6065 (emit_move_multi_word): Do not generate move from undefined bits
6066 of a paradoxical subreg.
6068 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6070 PR rtl-optimization/27736
6071 * combine.c (replaced_rhs_value): New variable.
6072 (combine_instructions): Set it.
6073 (distribute_notes): When distributing a note in replaced_rhs_insn,
6074 check whether the value was used in replaced_rhs_value.
6076 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6079 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6080 add_referenced_var instead of add_referenced_tmp_var.
6081 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6082 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6084 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6085 tree_optimize_tail_calls_1): Use add_referenced_var.
6086 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6087 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6088 Use add_referenced_var.
6089 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6090 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6091 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6092 Use add_referenced_var.
6093 * tree-dfa.c (struct walk_state): Remove.
6094 (find_referenced_vars): Remove walk state and vars_found hash table.
6095 (make_rename_temp): Use add_referenced_var.
6096 (find_vars_r): Pass less parameters to add_referenced_var.
6097 (referenced_var_p): New. Is var in referenced_var hash table.
6098 (referenced_var_insert): Assert var isn't already in hash table.
6099 (add_referenced_var): Don't need walk_state parameter. Add var if it
6100 isn't already in the hash table.
6101 (add_referenced_tmp_var): Remove.
6102 (find_new_referenced_vars_1): Use add_referenced_var.
6103 * tree-ssa-pre.c (create_expression_by_pieces,
6104 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6105 Use add_referenced_var.
6106 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6107 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6108 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6110 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6111 vect_create_data_ref_ptr, vect_create_destination_var,
6112 vect_init_vector, vect_build_loop_niters,
6113 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6114 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6115 Use add_referenced_var.
6116 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6117 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6118 (add_referenced_var): Add prototype.
6119 * tree-ssa-structalias.c (get_constraint_for,
6120 intra_create_variable_infos): Use add_referenced_var.
6122 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6124 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6125 big-endian paradoxical subregs.
6126 * var-tracking.c (struct micro_operation_def): Document that,
6127 for modify micro operations, insn is the subsequent instruction.
6128 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6129 (var_reg_set, var_mem_set): ... new functions.
6130 (add_stores): Record subsequent insn.
6131 (compute_bb_dataflow): Use new functions for MO_USE.
6132 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6133 notes after the insn, and modify notes before the insn known
6134 to be the subsequent one.
6135 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6137 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6140 * config/i386/i386.c (ix86_expand_builtin): Use
6141 gen_sse3_monitor64 for TARGET_64BIT.
6143 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6145 PR rtl-optimization/26375
6146 PR rtl-optimization/26855
6147 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6149 (df_ru_bb_local_compute): Reversed statements and removed bogus
6150 comment explaining why they should be in wrong order.
6151 (df_ru_dump, df_rd_dump): Enhanced debug info.
6152 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6154 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6155 reaching uses and fixed space problem.
6157 2006-05-23 Jan Hubicka <jh@suse.cz>
6159 * cgraphunit.c (decide_is_function_needed): Also nested functions
6160 and functions declared inline can be optimized out at -O0.
6162 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6164 * doc/install.texi (Configuration): Remove reference to CrossGCC
6168 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6171 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6172 ix86_compare_emitted is non-NULL.
6174 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6177 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6180 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6182 PR rtl-optimization/25514
6183 * combine.c (replaced_rhs_insn): New variable.
6184 (combine_instructions): Set replaced_rhs_insn when trying to replace
6185 a SET_SRC with a REG_EQUAL note.
6186 (distribute_notes): Use replaced_rhs_insn when determining the live
6187 range of a REG_DEAD register.
6189 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6190 Anatoly Sokolov <aesok@post.ru>
6192 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6193 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6194 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6195 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6196 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6197 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6198 at90usb647, at90usb1286 and at90usb1287 devices.
6199 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6200 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6202 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6204 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6206 2006-05-22 Richard Guenther <rguenther@suse.de>
6209 2006-01-31 Richard Guenther <rguenther@suse.de>
6210 Paolo Bonzini <bonzini@gnu.org>
6212 * doc/install.texi (--disable-libgcc-math): Document.
6214 2006-05-22 Richard Guenther <rguenther@suse.de>
6217 2006-01-31 Richard Guenther <rguenther@suse.de>
6219 * doc/invoke.texi (-msselibm): Document.
6220 * target.h (expand_library_builtin): New target hook.
6221 * builtins.c (expand_builtin): Use expand_library_builtin.
6222 (default_expand_library_builtin): New function.
6223 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6224 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6225 (link_gcc_math_spec): Declare.
6226 (static_specs): Add link_gcc_math_spec.
6227 * expr.h (default_expand_library_builtin): Declare.
6228 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6229 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6230 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6231 * config/i386/i386.opt (msselibm): New target option.
6232 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6233 (ix86_init_sse_abi_builtins): New function.
6234 (ix86_expand_library_builtin): Likewise.
6235 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6236 (override_options): Handle error conditions wrt -msselibm.
6237 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6238 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6239 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6242 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6245 * c-common.c (self_promoting_args_p): Skip erroneous args.
6248 * c-decl.c (finish_struct): Skip erroneous fields.
6250 2006-05-22 Nick Clifton <nickc@redhat.com>
6252 * config/cris/cris.opt (march): Remove VarExists attribute.
6253 (max-stackframe=): Likewise.
6255 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6257 * doc/rtl.texi: Fix a typo.
6258 * see.c: Fix comment typos.
6260 * tree-ssa-structalias.h (alias_info): Remove num_references.
6262 2006-05-21 Mike Stump <mrs@apple.com>
6264 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6266 (darwin_pragma_options): Use BAD instead.
6267 (darwin_pragma_unused): Likewise.
6268 (darwin_pragma_ms_struct): Likewise.
6270 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6272 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6274 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6276 PR rtl-optimization/27671
6277 * simplify-rtx.c (simplify_relational_operation_1): Fix
6278 simplifications of (eq/ne (xor x y) y) and
6279 (eq/ne (xor x y) x).
6281 PR tree-optimization/26622.
6282 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6285 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6287 * tree-cfg.c: Prune whitespace.
6288 (debug_tree_cfg): Point to correct header containing the
6291 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6294 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6296 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6299 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6300 or sorry count is non zero.
6302 2006-05-20 Andreas Schwab <schwab@suse.de>
6304 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6306 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6307 Kenneth Zadeck <zadeck@naturalbridge.com>
6309 PR rtl-optimization/26855
6311 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6313 (df_scan_alloc): Added code to properly handle multiword hard
6314 registers and add all_blocks parameter.
6315 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6316 code to properly handle multiword hard registers.
6317 (df_rescan_blocks): Added code to remove deleted blocks from
6319 (df_ref_create_structure, df_ref_record): Added code to properly
6321 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6322 and set DF_REF_PARTIAL.
6323 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6324 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6325 (df_scan_add_problem): Added flags parameter.
6326 (df_ref_create_structure): Changed switching structure.
6327 (df_bb_refs_record): Fixed case where duplicate artificial refs
6328 were created. Changed location of flags.
6329 (df_record_entry_block_defs): Added code to make stack pointer
6330 live in entry block. Refined cases where frame pointer is needed.
6331 Changed location of flags.
6332 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6333 (df_set_state): Removed function.
6334 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6335 df_insn_create_insn_record, df_insn_refs_delete,
6336 df_ref_create_structure): Formatting changes.
6337 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6338 df_delete_basic_block): New function.
6339 (df_init): Changed location of flags.
6340 (df_add_problem): Added flags parameter and the way flags are
6342 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6343 debug_df_chain): Improved debugging output.
6344 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6345 (df_refs_chain_dump): Removed df parameter.
6346 (df_iterative_dataflow): Added consistency check.
6347 (df_prune_to_subcfg): Made public.
6348 (df_analyze_problem): Added blocks_to_init parameter and made
6350 (df_ref_record, df_bb_refs_record, df_mark_reg,
6351 df_record_exit_block_uses): Whitespace changes.
6352 (df_dump): Whitespace changes.
6353 * df.h: Some reordering to remove forward references.
6354 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6355 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6356 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6357 (dataflow.flags): New field.
6358 (df.flag): Deleted field.
6359 (df_alloc_function): Added additional bitmap parameter.
6360 (df_dependent_problem_function): New type.
6361 (df_problem.changeable_flags): New field.
6362 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6363 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6364 (df_mw_hardreg): New struct.
6365 (DF_INSN_UID_MWS): New macro.
6366 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6368 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6369 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6370 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6371 (df_set_state): Removed function.
6372 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6373 * df-problems.c (df_chain_dump): Removed df parameter.
6374 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6375 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6377 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6378 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6379 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6380 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6381 DF_REF_MUST_CLOBBER cases.
6382 (df_ru_bb_local_compute_process_def,
6383 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6384 df_lr_bb_local_compute, df_ur_bb_local_compute,
6385 df_chain_create_bb): Made subreg aware.
6386 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6387 df_lr_bb_local_compute, df_lr_bb_local_compute,
6388 df_chain_create_bb): Cleanup to use proper macros.
6389 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6390 code to fixup bitvectors.
6391 (df_ri_alloc): Cleared lifetime.
6392 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6393 df_create_unused_note): New function.
6394 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6395 REG_DEAD and REG_UNUSED notes as well as register information.
6396 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6397 df_chains_dump): Fixed crash if problem was never run.
6398 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6399 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6400 df_ri_add_problem): Processes flags in uniform manner.
6401 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6402 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6403 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6404 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6405 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6406 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6407 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6408 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6409 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6410 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6411 * see.c (see_initialize_data): Ditto.
6412 * final.c (rest_of_clean_state) Added regstack_completed.
6413 * rtl.h (regstack_completed): Ditto.
6414 * reg-stack.c (regstack_completed): Ditto.
6416 2006-05-19 Mike Stump <mrs@apple.com>
6418 * c-tree.h (default_conversion): Remove.
6419 * c-common.h (default_conversion): Add.
6421 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6423 * tree-vrp.c (valid_value_p): New function.
6424 (adjust_range_with_scev): Fail if the value of bound is not
6427 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6429 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6430 (mips_fallback_frame_state): Use syscall numbers to determine
6431 the appropriate li instruction for the current ABI. Only use
6432 __NR_sigreturn for o32.
6434 2006-05-19 Nicolas Setton <setton@adacore.com>
6436 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6437 * langhooks.c (lhd_dwarf_name): New function.
6438 * langhooks-def.h (lhd_dwarf_name): Declare.
6439 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6440 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6441 * ada/misc.c (gnat_dwarf_name): New function.
6442 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6444 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6446 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6448 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6449 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6450 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6451 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6452 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6453 determine the size of Wtype, etc.
6454 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6455 (swfloatfuncs): New variable.
6456 (dwfloatfuncs): Likewise.
6457 (lib2funcs): Remove floating-point conversion functions from
6458 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6459 the set of conversion routines needed. Allow entries to specify
6460 an object name, filename and word size. Update users accordingly.
6461 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6462 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6466 2006-02-08 Roger Sayle <roger@eyesopen.com>
6469 * config/fixtfdi.c: New libgcc source file.
6470 * config/fixunstfdi.c: New source file.
6471 * config/floatditf.c: New source file.
6472 * config/floatunditf.c: New souce file.
6473 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6474 files above instead of config/mips/_tilib.c.
6475 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6477 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6479 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6480 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6482 2006-05-18 Mike Stump <mrs@apple.com>
6484 Fix up vla, vm and [*] sematics.
6490 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6491 (c_vla_unspec_p): Add.
6492 (c_vla_type_p): Add.
6493 * c-decl.c (struct c_scope): Add had_vla_unspec.
6494 (build_array_declarator): Add support for [*].
6495 (grokdeclarator): Likewise.
6496 (grokparms): Likewise.
6497 (get_parm_info): Likewise.
6498 * c-objc-common.c (c_vla_unspec_p): Likewise.
6499 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6500 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6501 typeof when argument is a variably modified type not inside sizeof or alignof.
6502 (c_parser_direct_declarator_inner): Propagate errors.
6503 (c_parser_sizeof_expression): Add support for [*].
6504 (c_parser_parms_declarator): Initialize had_vla_unspec.
6505 (c_parser_parms_list_declarator): Likewise.
6506 * c-typeck.c (c_vla_type_p): Add.
6507 (composite_type): Add support for vla compositing.
6508 (comptypes_internal): Add support for vla compatibility.
6509 (c_expr_sizeof_expr): Evaluate vla arguments.
6510 * tree.c (variably_modified_type_p): Update comment for [*].
6512 2006-05-18 Michael Matz <matz@suse.de>
6515 * config.host: Make assignments to host_xmake_file cumulative.
6516 * config.host (*-darwin*): Test $host, not $target.
6518 2006-05-12 Stuart Hastings <stuart@apple.com>
6520 * config/i386/i386.opt (-mstackrealign): New flag.
6521 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6522 (ix86_handle_cconv_attribute): Emit error when
6523 force_align_arg_pointer attribute collides with too many regparms.
6524 (ix86_function_regparm): Limit regparms when used with
6525 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6526 Support stack-realigning prologue in non-main functions. Emit
6527 warning for nested functions under -mstackrealign, emit error for
6528 nested functions with force_align_arg_pointer attribute.
6529 * doc/extend.texi (force_align_arg_pointer): Document it.
6530 * doc/invoke.texi (-mstackrealign): Document it.
6532 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6534 PR rtl-optimization/27477
6535 * combine.c (try_combine): Don't split a parallel consisting
6536 of two sets into two individual sets if both sets reference
6539 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6541 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6542 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6544 * doc/options.texi (VarExists): Updated.
6546 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6548 * unwind-dw2.c: Add declarations for uw_update_context and
6550 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6551 detected, advance frame state and context once to skip over stub.
6553 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6557 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6558 Call rewrite_into_loop_closed_ssa only when something changed.
6559 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6560 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6561 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6562 Test for perfect_nest_p here. Fix formating.
6563 (replace_uses_equiv_to_x_with_y): Fix formating.
6564 (stmt_uses_op): Removed.
6565 (can_convert_to_perfect_nest): Removed loopivs parameter.
6566 Complete the test by checking the scalar dependences.
6567 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6570 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6573 From Dan Kegel <dank@kegel.com>:
6574 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6576 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6578 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6579 if the element type is variably modified without recursing.
6581 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6584 * tree-loop-linear.c (try_interchange_loops): Test for
6585 no data dependences.
6587 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6589 PR tree-optimization/27548
6590 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6591 range of ssa names that appear on abnormal edges.
6592 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6593 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6595 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6598 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6600 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6603 * tree.h (OMP_PARALLEL_COMBINED): Define.
6604 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6605 (new_omp_context): Add is_combined_parallel argument.
6606 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6607 new_omp_context caller.
6608 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6609 Adjust gimplify_scan_omp_clauses callers.
6610 (omp_is_private): Issue errors if iteration variable is firstprivate
6611 or reduction in the current context.
6612 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6613 on combined parallel workshare constructs.
6615 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6617 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6618 (gcc-options.o): New rule.
6620 * optc-gen.awk: Protect variables for gcc-options.o with
6621 #ifdef GCC_DRIVER/#endif.
6623 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6625 Fix PR tree-optimization/27373
6626 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6627 (forward_propagate_addr_expr): Update call.
6629 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6631 * doc/options.texi: Move the Negative option.
6633 2006-05-16 Richard Guenther <rguenther@suse.de>
6635 PR tree-optimization/22303
6636 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6638 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6639 ccp_fold did not simplify the statement.
6641 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6644 * Makefile.in (GCC_OBJS): New.
6645 (OBJS-common): Add opts-common.o.
6646 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6647 (cpp$(exeext)): Likewise.
6648 (gcc.o): Also depend on opts.h.
6649 (opts-common.o): New.
6651 * common.opt (gcoff): Add Negative(gdwarf-2).
6652 (gdwarf-2): Add Negative(gstabs).
6653 (gstabs): Add Negative(gstabs+).
6654 (gstabs+): Add Negative(gvms).
6655 (gvms): Add Negative(gxcoff).
6656 (gxcoff): Add Negative(gxcoff+).
6657 (gxcoff+): Add Negative(gcoff).
6658 * config/i386/i386.opt (m32): Add Negative(m64).
6659 (m64): Add Negative(m32).
6661 * doc/options.texi: Document the Negative option.
6663 * gcc.c: Include "opts.h".
6664 (main): Call prune_options after expandargv.
6666 * optc-gen.awk: Generate common declarations for all flag
6667 variables in options.c. Output the neg_index field.
6669 * opts.c (find_opt): Moved to ...
6670 * opts-common.c: Here. New file.
6672 * opts.h (cl_option): Add a neg_index field.
6674 (prune_options): Likewise.
6676 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6679 * omp-low.c (expand_omp_parallel): Don't assert
6680 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6681 instead search for it.
6684 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6687 2006-05-16 Andreas Schwab <schwab@suse.de>
6689 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6692 2006-05-15 Roger Sayle <roger@eyesopen.com>
6695 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6696 integer constants other than zero are only legitimate on TARGET_64BIT.
6697 <CONST_VECTOR> Only zero vectors are legitimate.
6698 (ix86_cannot_force_const_mem): Integral and vector constants can
6699 always be put in the constant pool.
6701 2006-05-16 DJ Delorie <dj@redhat.com>
6703 * crtstuff.c (__dso_handle): Set section from
6704 TARGET_LBIGCC_SDATA_SECTION if defined.
6705 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6706 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6708 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6711 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6714 2006-05-16 Ben Elliston <bje@au.ibm.com>
6716 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6718 2006-05-15 Per Bothner <per@bothner.com>
6720 * tree.c: (last_annotated_node): Use source_locus typedef.
6721 This permits bootstrapping with --enable-mapped-location.
6723 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6725 PR tree-optimization/26830
6726 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6727 (info_for_ssa_name, current_info_for_ssa_name_age,
6728 blocks_to_update): New variables.
6729 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6730 (clear_ssa_name_info, initialize_flags_in_bb,
6731 mark_block_for_update): New functions.
6732 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6733 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6734 prepare_def_site_for): Use mark_block_for_update.
6735 (mark_def_interesting): Assert that the processed block is marked in
6736 blocks_to_update. Do not take blocks argument.
6737 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6739 (rewrite_update_init_block, rewrite_update_stmt): Only process
6740 blocks with statements to rewrite.
6741 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6742 (update_ssa): Initialize and free blocks_to_update. Do not
6743 clear flags on statements. Do not use blocks bitmap.
6744 * tree.h (SSA_NAME_AUX): Removed.
6745 (struct tree_ssa_name): Removed aux field.
6746 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6748 2006-05-15 Richard Guenther <rguenther@suse.de>
6750 PR tree-optimization/27603
6751 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6752 Do computations in original type.
6754 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6756 * see.c: Code style changes such as redundant paranthesis,
6757 redundant intialization of local variables etc.
6758 (see_main): Declared now as static.
6759 * doc/invoke.texi: Update that -fsee is not enabled by
6762 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6764 * omp-low.c (check_omp_nesting_restrictions): New function.
6765 (scan_omp_1): Call it.
6768 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6769 construct, return *VAR.
6771 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6773 PR rtl-optimization/27406
6774 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6777 2006-05-14 Roger Sayle <roger@eyesopen.com>
6779 PR rtl-optimization/27538
6780 * combine.c (expand_compound_operation): Call gen_lowpart
6781 before calling simplify_shift_const.
6783 2006-05-14 Roger Sayle <roger@eyesopen.com>
6785 PR rtl-optimization/22563
6786 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6787 a fixed width bitfield, always force the intermediates into psuedos.
6789 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6792 * mkconfig.sh: Use operator = instead of == for test.
6794 2006-05-13 Nick Clifton <nickc@redhat.com>
6796 * dwarf2out.c (dbx_reg_number): Check return value from
6797 LEAF_REG_REMAP and only use it if it is valid.
6798 (multiple_reg_loc_descriptor): Likewise.
6800 2006-05-13 Richard Guenther <rguenther@suse.de>
6802 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6805 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6807 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6808 information attached to non-INSNs such as NOTEs.
6809 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6811 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6813 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6815 * config/s390/s390.md: Adjust comment describing On constraint.
6817 2006-05-11 Jan Hubicka <jh@suse.cz>
6819 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6820 to be output at -O0.
6822 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6825 * fold-const.c (size_binop): Move sanity check for arguments to
6826 the beginning of the function.
6829 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6832 2006-05-11 Richard Guenther <rguenther@suse.de>
6835 * fold-const.c (fold_unary): Handle intermediate conversion
6836 to a pointer type like intermediate conversion to an integer
6837 type in folding of (T1)(T2)var to var.
6838 Match the code to the comment in the final conversion for
6839 (T1)(T2)var to (T1)var regarding to type precision. Rather
6840 than disallow T1 being of pointer type, assert that both T1
6841 and var are of pointer type or not. Make sure not to fall
6842 over the frontends lazyness wrt array to pointer decay though.
6844 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6846 * arm.c (arm_struct_value_rtx): Delete.
6847 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6848 (arm_init_cumulative_args): Always initialize nregs to zero.
6850 2006-05-10 Richard Guenther <rguenther@suse.de>
6852 PR tree-optimization/27532
6853 * tree-object-size.c (plus_expr_object_size): Fix typo.
6855 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6858 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6859 ashrdi_const, ashrdi3): Use a scratch register.
6861 2006-05-10 Richard Guenther <rguenther@suse.de>
6863 PR tree-optimization/27302
6864 * fold-const.c (operand_equal_p): For two comparisons,
6865 try comparison of one comparison code swapped if that yields
6868 2006-05-10 Ben Elliston <bje@au.ibm.com>
6870 * tree-pretty-print.c (pretty_print_string): No need to handle
6871 '\0' as a special character.
6873 * tree.h: Include "hashtab.h".
6874 (iterative_hash_expr): Use hashval_t in its prototype.
6875 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6877 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6880 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6881 (hppa*64*-*-hpux11*): Ditto.
6882 (hppa[12]*-*-hpux11*): Ditto.
6884 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6887 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6889 2006-05-09 Michael Matz <matz@suse.de>
6891 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6892 host_extra_gcc_objs and host_xmake_file.
6893 (<*-*-linux*>): Don't overwrite host_xmake_file.
6894 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6895 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6896 (host_detect_local_cpu): Declare.
6897 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6898 * config/i386/i386.c (override_options): Handle -mtune=native
6900 * config/i386/x-i386: New file.
6901 * config/i386/driver-i386.c: New file.
6902 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6905 2006-05-09 Dirk Mueller <dmueller@suse.de>
6906 Richard Guenther <rguenther@suse.de>
6909 * fold-const.c (fold_read_from_constant_string): Relax check
6910 for matching types to matching modes.
6912 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6914 PR rtl-optimization/27335
6915 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6918 2006-05-08 Chao-ying Fu <fu@mips.com>
6919 Richard Sandiford <richard@codesourcery.com>
6921 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6922 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6923 * config/mips/mips.md (UNSPEC_SCC): New constant.
6924 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6925 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6926 (mips_emit_compare): Use it.
6927 (mips_expand_vcondv2sf): New function.
6929 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6931 Fix PR tree-optimization/27093
6932 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6933 renaming when they become not-used_alone.
6935 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6937 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6938 relocation and relocation stubs.
6940 2006-05-08 Eric Christopher <echristo@apple.com>
6942 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6945 2006-05-08 Jan Hubicka <jh@suse.cz>
6948 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6949 unused static functions are needed.
6951 2006-05-08 Roger Sayle <roger@eyesopen.com>
6954 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6955 of a reg_equiv_constant if the result is a legitimate constant.
6957 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6960 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6961 standard 80387 constants, raise the cost to prevent
6962 compress_float_constant() to generate load from memory.
6964 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6966 * config/arm/constraints.md (c): Fix a typo.
6968 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6971 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6974 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6976 (_mm_mwait): Likewise.
6978 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6980 (sse3_monitor): Make it 32bit only.
6981 (sse3_monitor64): New. 64bit monitor.
6983 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6986 * config/i386/i386.c (classify_argument): Skip fields with invalid
6989 2006-05-07 Richard Guenther <rguenther@suse.de>
6991 PR tree-optimization/27409
6992 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6993 Do not try to find zero-sized subvars.
6995 2006-05-07 Richard Guenther <rguenther@suse.de>
6997 PR tree-optimization/27136
6998 * tree-ssa-loop-niter.c (get_val_for): Correct function
6999 comment, assert requirements.
7000 (loop_niter_by_eval): Stop processing if the iterated
7001 value did not simplify.
7003 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7005 * opts.c (flag_see): remove its setting at -O3.
7007 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7009 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7010 * arm/constraints.md: New file.
7011 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7012 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7013 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7014 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7015 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7016 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7017 * arm.md: Include constraints.md.
7018 (thumb_movsi_insn): Use satisfies_constraint_J.
7019 (movhi, movqi): Use satisfies_constraint_I.
7021 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7023 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7024 for atmeg a645 device.
7026 2006-05-06 Richard Guenther <rguenther@suse.de>
7028 PR tree-optimization/27151
7029 * tree-vect-transform.c (vectorizable_condition): Punt on
7030 values that have a different type than the condition.
7032 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7035 * c-parser.c (c_parser_cast_expression): Only insert casts into
7036 hash table if pointer.
7037 * function.c (used_types_insert_helper): Rename from
7039 (used_types_insert): Call used_types_insert_helper.
7040 * function.h (used_types_insert): Accept only one argument.
7042 2006-05-05 David Edelsohn <edesohn@gnu.org>
7044 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7045 scratch with output modifier.
7047 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7050 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7051 with output modifier.
7053 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7056 * config/mips/mips.c (mips_symbolic_address_p): Return true
7057 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7058 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7060 2006-05-04 Richard Guenther <rguenther@suse.de>
7062 PR tree-optimization/14287
7063 PR tree-optimization/14844
7064 PR tree-optimization/19792
7065 PR tree-optimization/21608
7066 PR tree-optimization/27090
7067 * tree-ssa-pre.c (try_combine_conversion): New function.
7068 (compute_avail): After constructing the value-handle
7069 expression, use try_combine_conversion to combine NOP_EXPRs
7070 with previous value-handle expressions and use the result if it
7073 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7075 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7077 2006-05-04 Jan Hubicka <jh@suse.cz>
7080 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7082 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7084 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7085 that this only matches CONST_INTs. All users changed to VOIDmode
7088 * config/bfin/bfin.c: Include "optabs.h".
7089 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7091 (enum bfin_builtins): Add a number of fractional and vector builtins.
7092 (bfin_init_builtins): Likewise.
7093 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7094 (safe_vector_operand, bfin_expand_binop_builtin,
7095 bfin_expand_unop_builtin): New functions.
7096 (bfin_expand_builtin): Handle the new builtins.
7097 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7100 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7103 * Makefile.in (OBJS-common): Add see.o.
7104 (see.o): Add dependencies.
7105 * common.opt (fsee): New flag for the see optimization was added.
7106 * opts.c (flag_see): Initialized.
7107 * passes.c (init_optimization_passes, pass_see): New pass.
7108 * rtl.h (see_main): Declaration as extern.
7109 * timevar.def (TV_SEE): New.
7110 * tree-pass.h (pass_see): Declaration as extern.
7111 * invoke.texi (-fsee): Document.
7112 * recog.c (validate_simplify_insn): New function.
7113 * recog.h (validate_simplify_insn): Declaration as extern.
7114 * df-problems.c (df_chain_dump): Check for NULL.
7116 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7117 Daniel Berlin <dberlin@dberlin.org>
7119 * cfgrtl.c (insert_insn_bb_end_new): New function.
7120 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7122 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7124 * df.h (struct web_entry): Moved from web.c.
7125 (union_defs): Declaration as extern.
7126 (unionfind_root): Likewise.
7127 (unionfind_union): Likewise.
7128 * web.c (struct web_entry): Moved to df.h.
7129 (unionfind_root): Remove static declaration.
7130 (unionfind_union): Likewise.
7131 (union_defs): Likewise and generalize to use callback function.
7132 (web_main): Update arguments for union_defs function call.
7134 2006-05-04 Richard Guenther <rguenther@suse.de>
7136 PR tree-optimization/26447
7137 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7138 produce SSA_NAME copies before the store stmt to avoid
7139 breaking exception handling.
7141 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7144 * gimplify.c (omp_is_private): If var is shared in some outer context,
7145 return false instead of true. Stop searching on parallel context
7148 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7151 * coverage.c: Use get_gcov_unsigned_t() instead of
7152 unsigned_type_node all over.
7154 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7156 PR tree-optimization/27381
7157 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7158 maintain the same immediate_use links.
7159 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7160 node rather than segfaulting.
7162 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7165 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7166 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7167 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7169 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7171 Fix PR tree-optimization/26626
7172 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7174 * tree-ssa-operands.c (access_can_touch_variable): Allow
7175 typecasting through union pointers.
7177 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7180 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7181 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7182 to find if var will be a global variable even in the nested context.
7183 (omp_copy_decl): Only check for global variable at the end, it might
7184 be overridden in outer contexts.
7185 (scan_sharing_clauses): For global variables don't create a field.
7186 (lower_rec_input_clauses): Do nothing for global shared variables.
7187 Emit a barrier at the end of ILIST if there were any decls in both
7188 firstprivate and lastprivate clauses.
7189 (lower_send_clauses): Do nothing for global variables except for
7192 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7194 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7195 of the correct signedness is returned.
7197 2006-05-02 Jeff Law <law@redhat.com>
7199 PR tree-optimization/27364
7200 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7201 multiply expressions.
7203 2006-05-02 Tom Tromey <tromey@redhat.com>
7205 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7207 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7210 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7211 -mthumb -fPIC are used.
7213 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7214 Joshua Kinard <kumba@gentoo.org>
7217 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7218 with 64-bit pointers.
7220 2006-05-02 Paul Brook <paul@codesourcery.com>
7222 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7224 (create_fix_barrier): Check that a suitable barrier location is
7226 (arm_reorg): Include ftmp->address in allowable range of addresses.
7228 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7231 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7234 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7237 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7238 around RESULT_DECL for result passed by reference.
7239 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7240 * omp-low.c (use_pointer_for_field): Don't look at
7241 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7242 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7243 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7244 time or var for passing by reference for
7245 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7246 TREE_ADDRESSABLE variables when passing by reference.
7248 * omp-low.c (dump_omp_region): Fix output formatting.
7251 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7252 (expand_omp_parallel): Likewise.
7253 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7256 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7257 on statement list containing also constructors and destructors.
7258 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7261 * except.c (duplicate_eh_regions): Fix clearing of
7262 cfun->eh->region_array entries.
7264 2006-05-01 DJ Delorie <dj@redhat.com>
7266 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7268 (gcc_cv_objdump): Likewise.
7269 * configure: Regenerated.
7271 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7274 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7275 templates for case 3 and 4.
7277 2006-05-01 DJ Delorie <dj@redhat.com>
7279 * vec.c: Include bconfig.h when appropriate.
7280 * Makefile.in (build/vec.o): Adjust dependencies.
7281 * mkconfig.sh: Make sure config.h isn't used for build machine
7284 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7286 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7288 (mark_phi_for_rewrite): New function.
7289 (insert_phi_nodes_for, mark_use_interesting): Call
7290 mark_phi_for_rewrite.
7291 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7292 (update_ssa): Initialize and free phis_to_rewrite.
7294 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7296 PR rtl-optimization/27291
7297 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7298 folded to a constant.
7300 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7302 PR tree-optimization/27283
7303 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7304 not whole # of iteration descriptions.
7305 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7306 uses abnormal ssa name.
7307 (niter_for_single_dom_exit): Ditto.
7308 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7309 return just the number of iterations.
7311 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7313 PR tree-optimization/27144
7314 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7315 (record_estimate): Only record constant upper bound.
7316 (infer_loop_bounds_from_undefined): Call
7317 compute_estimated_nb_iterations just once.
7318 (proved_non_wrapping_p): Renamed to ...
7319 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7320 (convert_step_widening, scev_probably_wraps_p): Call
7321 n_of_executions_at_most instead of proved_non_wrapping_p.
7322 (substitute_in_loop_info): Do not replace values in bounds.
7323 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7326 2006-05-01 Richard Henderson <rth@redhat.com>
7329 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7330 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7333 2006-05-01 Roger Sayle <roger@eyesopen.com>
7335 * c-typeck.c (parser_build_binary_op): Don't call the function
7336 unsigned_conversion_warning to spot operand/result type overflow.
7337 (build_binary_op): Instead, call convert_and_check instead of
7338 convert to report the problem when the operands are promoted.
7339 * c-common.c (unsigned_conversion_warning): Make static.
7340 * c-common.h (unsigned_conversion_warning): Delete prototype.
7342 2006-05-01 Richard Guenther <rguenther@suse.de>
7344 PR tree-optimization/26726
7345 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7347 (find_interesting_uses_address): ... we work around here
7348 by folding INDIRECT_REFs in the substituted base.
7350 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7352 * omp-low.c (dump_omp_region): Add newlines.
7354 2006-04-30 Roger Sayle <roger@eyesopen.com>
7356 * common.opt (Woverflow): New command line option.
7357 * c-common.c (constant_expression_warning): Check warn_overflow.
7358 (overflow_waring): Pass OPT_Woverflow to warning.
7359 (unsigned_conversion_warning): Likewise.
7360 (convert_and_check): Likewise.
7361 * doc/invoke.texi: Document new command line option.
7363 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7365 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7366 TARGET_NO_FP_IN_TOC for section anchors.
7367 (optimization_options): Enable section anchors for all
7368 non-"Objective" languages.
7370 2006-04-28 Eric Christopher <echristo@apple.com>
7372 * config/darwin-c.c (darwin_ms_struct): Move this
7373 (darwin_set_default_type_attributes): and this...
7374 * config/darwin.c: ... here.
7375 * config/darwin.h (darwin_ms_struct): Declare.
7377 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7381 2006-04-28 Roger Sayle <roger@eyesopen.com>
7384 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7385 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7386 an unsigned HOST_WIDE_INT.
7387 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7389 (really_start_incremental_init): No need to call convert because
7390 bitsize_zero_node is already of type bitsizetype.
7391 (push_init_level): Extract the value of constructor_index as an
7392 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7393 (process_init_element): Likewise.
7395 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7397 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7398 value before passing to make_relative_prefix.
7400 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7403 * builtins.c (expand_builtin_memset): Expand val in original mode.
7405 2006-04-27 Eric Christopher <echristo@apple.com>
7407 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7408 with #ifndef/#endif.
7409 * config/darwin-c.c (darwin_ms_struct): New.
7410 (darwin_pragma_ms_struct): Ditto.
7411 (darwin_set_default_type_attributes): Ditto.
7412 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7413 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7414 Register ms_struct pragma.
7415 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7416 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7417 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7418 darwin_set_default_type_attributes if TARGET_MACHO.
7420 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7422 PR tree-optimization/26854
7423 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7424 * doc/tree-ssa.texi: Update immuse iterator documentation.
7425 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7426 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7427 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7428 first_safe_imm_use, next_safe_imm_use): Remove.
7429 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7430 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7431 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7432 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7433 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7434 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7435 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7436 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7437 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7438 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7439 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7440 (perfect_nestify): Use new iterator.
7441 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7443 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7444 (next_imm_name): New field in struct immediate_use_iterator_d.
7445 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7446 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7447 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7448 * tree-cfg.c (replace_uses_by): Use new iterator.
7449 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7450 * tree-ssa-operands.c (correct_use_link): Remove.
7451 (finalize_ssa_use_ops): No longer call correct_use_link.
7453 2006-04-27 Stuart Hastings <stuart@apple.com>
7455 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7456 * config/t-darwin (crt3.o): Use it.
7457 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7458 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7459 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7460 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7461 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7464 2006-04-27 Roger Sayle <roger@eyesopen.com>
7466 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7467 size, force the intermediate into a new pseudo rather instead of
7468 performing both a bitwise AND and a bitwise IOR in memory.
7470 2006-04-27 Richard Guenther <rguenther@suse.de>
7472 PR rtl-optimization/26685
7473 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7474 this one "max-flow-memory-locations".
7476 2006-04-27 Richard Guenther <rguenther@suse.de>
7478 PR tree-optimization/25148
7479 * tree-vrp.c (compare_values): Remove code dealing with
7480 comparisons against type min/max value. Honour overflow
7481 and negative constants in code dealing with comparisons
7482 of plus and minus expressions.
7483 (value_inside_range): Use fold_binary with LE_EXPR and
7484 GE_EXPR rather than compare_values.
7486 2006-04-27 Dirk Mueller <dmueller@suse.de>
7488 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7491 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7493 * basic-block.h (safe_insert_insn_on_edge): Removed.
7494 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7496 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7497 Paolo Bonzini <bonzini@gnu.org>
7500 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7501 (simplify_and_const_int): Same.
7503 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7505 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7507 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7510 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7511 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7512 cgraph_global_info_ready.
7515 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7518 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7519 either decl or init is error_mark_node.
7522 * tree-flow.h (struct omp_region): Add sched_kind.
7523 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7524 instead of extracting omp for data.
7525 (expand_omp_for): Save extracted sched_kind.
7527 2006-04-25 Roger Sayle <roger@eyesopen.com>
7529 * expmed.c (store_bit_field): Also check whether the bitsize is
7530 valid for the machine's "insv" instruction before moving the
7531 target into a pseudo for use with the insv.
7532 * config/i386/predicates.md (const8_operand): New predicate.
7533 * config/i386/i386.md (extv, extzv, insv): Use the new
7534 const8_operand predicate where appropriate.
7536 2006-04-25 DJ Delorie <dj@redhat.com>
7538 * doc/install.texi (Specific): Clarify that this is not a list of
7539 supported hosts or targets.
7541 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7543 PR rtl-optimization/26725
7544 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7545 block's BB_DIRTY flag.
7547 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7549 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7552 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7553 to print an integer.
7555 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7557 * varasm.c (align_variable): New function.
7558 (get_block_for_decl): Apply align_variable to DECL before
7559 calculating section information.
7560 (assemble_variable): Split out alignment computation.
7562 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7564 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7567 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7569 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7570 MODE_PARTIAL_INT mode.
7571 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7572 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7574 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7575 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7577 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7579 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7581 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7582 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7583 MACFLAG_IH): Likewise.
7584 (movstricthi_1): Renamed from "*movstricthi".
7585 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7586 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7587 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7588 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7589 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7590 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7591 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7592 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7593 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7594 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7595 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7596 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7597 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7598 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7599 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7601 * doc/rtl.texi (ss_ashift): Improve wording.
7603 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7605 * dwarf2out.c (verify_marks_clear): New.
7606 (prune_unused_types): Call verify_marks_clear initially, not
7609 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7611 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7612 * doc/rtl.texi: Document them.
7613 * simplify-rtx.c (simplify_unary_operation,
7614 simplify_binary_operation_1): Don't abort when we see them.
7616 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7619 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7620 * configure.ac: Completely disregard languages that are not
7622 * configure: Regenerated.
7624 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7625 Richard Guenther <rguenther@suse.de>
7627 PR tree-optimization/27236
7628 * tree-inline.c (copy_body_r): Make sure to copy
7629 TREE_THIS_VOLATILE flag.
7631 2006-04-24 Richard Guenther <rguenther@suse.de>
7634 * tree-complex.c (update_parameter_components): Don't handle
7635 unused parameters which have no default def.
7637 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7638 Richard Guenther <rguenther@suse.de>
7640 PR tree-optimization/27218
7641 * tree-inline.c (expand_call_inline): Strip useless type
7642 conversions for the return slot address.
7644 2006-04-24 Richard Guenther <rguenther@suse.de>
7646 * cfgloop.h (struct loops): Remove unused field array. Reorder
7648 (LOOP_PREFETCH): Remove.
7650 2006-04-24 Richard Guenther <rguenther@suse.de>
7652 PR tree-optimization/22525
7653 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7654 variable, adjust types of generated expressions.
7656 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7658 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7659 (tree-vect-patterns.o): Likewise.
7661 (cselib.o): Likewise.
7662 (loop-doloop.o): Likewise.
7663 (regclass.o): Likewise.
7664 (reload1.o): Likewise.
7665 (explow.o): Replace target.h with $(TARGET_H).
7666 (ipa-prop.o): Likewise.
7667 (ipa-cp.o): Likewise.
7668 (ipa-inline.o): Likewise.
7669 (reorg.o): Likewise.
7670 (reg-stack.o): Likewise.
7672 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7674 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7676 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7678 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7680 * configure.ac: Completely disregard languages that are not
7682 * configure: Regenerated.
7685 * c-common.h (c_build_bitfield_integer_type): Declare.
7686 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7687 * c-common.c (c_build_bitfield_integer_type): ... here.
7689 2006-04-23 Roger Sayle <roger@eyesopen.com>
7692 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7693 a SImode SUBREG of a floating point register after no_new_pseudos.
7695 2006-04-23 Roger Sayle <roger@eyesopen.com>
7697 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7698 identify potentially eliminable registers to additionally catch
7699 VIRTUAL_INCOMING_ARGS_REGNUM.
7700 (addsi3): Update the conditions on when to use addsi_small_int.
7702 2006-04-23 Roger Sayle <roger@eyesopen.com>
7705 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7706 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7707 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7709 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7711 * fold-const.c (range_predecessor): Use operand_equal_p
7712 as the predicate for equality.
7713 (range_successor): Likewise.
7715 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7718 * config/soft-fp/op-common.h: Fix a typo.
7720 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7723 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7724 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7726 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7728 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7730 * doc/tm.texi: Fix a typo.
7732 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7734 * dwarf2out.c (struct die_struct): Document that die_sib makes
7735 a circular linked list.
7736 (FOR_EACH_CHILD): New.
7737 (reverse_die_lists): Delete.
7738 (reverse_all_dies): Delete.
7739 (add_dwarf_attr): Correct documentation.
7740 (remove_child_with_prev): New.
7741 (remove_child_TAG): Update for change to die_struct, use
7742 remove_child_with_prev.
7743 (add_child_die): Update for change to die_struct.
7744 (splice_child_die): Use remove_child_with_prev and add_child_die.
7745 (print_die): Use FOR_EACH_CHILD.
7746 (die_checksum): Likewise.
7747 (assign_symbol_names): Likewise.
7748 (output_location_lists): Likewise.
7749 (build_abbrev_table): Likewise.
7750 (calc_die_sizes): Likewise.
7751 (mark_dies): Likewise.
7752 (unmark_dies): Likewise.
7753 (unmark_all_dies): Likewise.
7754 (output_die): Likewise.
7755 (prune_unused_types_mark): Likewise.
7756 (prune_unused_types_walk): Likewise.
7757 (same_die_p): Update for change to die_struct.
7758 (break_out_includes): Likewise.
7759 (prune_unused_types_prune): Likewise.
7760 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7761 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7763 (dwarf2out_finish): Don't call reverse_all_dies.
7765 2006-04-21 Eric Christopher <echristo@apple.com>
7767 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7768 in comments and function names.
7770 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7773 * c-typeck.c (digest_init): Robustify.
7775 * c-typeck.c (pop_init_level): Simplify.
7777 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7779 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7781 2006-04-21 Paul Brook <paul@codesourcery.com>
7783 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7784 hardware floating point.
7786 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7788 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7791 2006-04-21 Nick Clifton <nickc@redhat.com>
7793 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7796 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7799 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7800 C++ lang type in traceback table for Objective-C++.
7802 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7804 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7806 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7808 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7811 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7812 were errors. Remove check for erroneous objects.
7814 2006-04-20 Jeff Law <law@redhat.com>
7816 PR tree-optimization/26854
7817 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7818 checking for zero or one use.
7819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7820 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7821 * tree-ssa-reassoc.c (negate_value): Similarly.
7822 (reassociate_bb): Similarly.
7824 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7826 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7827 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7828 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7830 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7832 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7833 fp regs if the last fp arg doesn't fit in regs.
7835 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7838 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7839 that the last insn has the REG_INC note.
7841 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7842 Nathan Sidwell <nathan@codesourcery.com>
7845 * stor-layout.c (update_alignment_for_field): Do not align
7847 (place_union_field): Place union field at the start of the union.
7848 (place_field): Move ERROR_MARK check later, and use the current
7849 allocation position to maintain monotonicity.
7851 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7853 * dominance.c: Include timevar.h.
7854 (calculate_dominance_info): Use TV_DOMINANCE.
7855 * timevar.def (TV_DOMINANCE): New timevar.
7856 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7858 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7860 PR rtl-optimization/14261
7861 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7862 move would be an INSV insn.
7863 (noce_process_if_block): Don't optimize if the destination is a
7864 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7866 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7868 * config/s390/s390.md: Add comments with the instructions emitted
7869 by an insn pattern if macros are used.
7871 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7873 PR rtl-optimization/26026
7874 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7875 is a known power of two shifted left a variable amount.
7877 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7879 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7880 to hash table twice when the debug_str section has SECTION_MERGE.
7882 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7884 * config/soft-fp: New directory. From glibc.
7885 * config/soft-fp/t-softfp: New.
7886 * config/soft-fp/README: New.
7887 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7888 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7889 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7890 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7891 * config.gcc: Use rs6000/t-fprules-fpbit or
7892 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7894 * config/rs6000/sfp-machine.h: New. Based on glibc.
7895 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7897 * config/rs6000/t-fprules: Remove fp-bit rules.
7898 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7899 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7900 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7901 (softfp_wrap_start, softfp_wrap_end): New.
7903 2006-04-18 DJ Delorie <dj@redhat.com>
7905 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7907 2006-04-18 Devang Patel <dpatel@apple.com>
7909 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7911 2006-04-18 Nick Clifton <nickc@redhat.com>
7913 * config/sh/t-symbian: Add rule to build sh-c.o
7914 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7915 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7916 (sh_symbian_encode_section_info): Likewise.
7918 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7920 * builtins.c (expand_builtin_strcmp): Cover label definition of
7921 do_libcall with HAVE_cmpstrnsi.
7923 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7925 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7927 * function.h (temp_slot_p): New.
7928 (function): Change the type of x_used_temp_slots to
7929 VEC(temp_slot_p,gc) *.
7931 2006-04-18 Nick Clifton <nickc@redhat.com>
7933 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7934 flag_strength_reduce.
7936 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7938 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7942 Partial revert of revision 112637
7943 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7944 Dale Johannesen <dalej@apple.com>
7947 * regclass.c (struct reg_pref): Update documentation.
7948 (regclass): Set prefclass to NO_REGS if memory is the best option.
7949 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7951 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7953 PR tree-optimization/26821
7954 * tree-ssa-math-opts.c (get_constant_one): New.
7955 (insert_reciprocals): Use it.
7957 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7959 * dwarf2out.c (free_AT): Delete.
7960 (remove_AT): Update string ref counts.
7961 (remove_child_TAG): Don't call free_die.
7963 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7964 or DW_TAG_GNU_EINCL.
7965 (prune_unused_types_walk_attribs): Reset string refcounts.
7966 (prune_unused_types_update_strings): New.
7967 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7968 call free_die. Do call prune_unused_types_update_strings.
7969 (prune_unused_types): Empty debug_str_hash.
7971 2006-04-17 Roger Sayle <roger@eyesopen.com>
7973 * expr.c (expand_assignment): Optimize away no-op moves where the
7974 source and destination are equal and have no side-effects.
7976 2006-04-17 Richard Guenther <rguenther@suse.de>
7979 * reload.c (push_reload): Guard calls to get_secondary_mem
7982 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7984 * alias.c (reg_base_value, old_reg_base_value): Change the
7985 type to VEC(rtx,gc) *.
7986 (REG_BASE_VALUE, find_base_value, record_set,
7987 init_alias_analysis): Use VEC instead of VARRAY.
7989 * alias.c (alias_sets): Change the type to
7990 VEC(alias_set_entry,gc) *.
7991 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7992 VEC instead of VARRAY.
7993 (last_alias_set): Remove.
7995 * cgraph.h (cgraph_edge_p): New.
7996 Update the prototype of cgraph_function_versioning.
7997 * cgraphunit.c (cgraph_copy_node_for_versioning,
7998 cgraph_function_versioning): Use VEC instead of VARRAY.
7999 * ipa-cp.c (ipcp_insert_stage): Likewise.
8001 2006-04-16 Roger Sayle <roger@eyesopen.com>
8004 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8005 "A op B" or "A op C", we may need to convert A to the type of B and C.
8007 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8009 * target.h (struct gcc_target): Add mode_rep_extended.
8010 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8011 (init_num_sign_bit_copies_in_rep): Initialize it using
8013 (truncate_to_mode): Use it.
8014 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8015 * targhooks.h (default_mode_rep_extended): Declare it.
8016 * targhooks.c (default_mode_rep_extended): Define it.
8017 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8018 default_mode_rep_extended.
8019 (TARGET_INITIALIZER): Include it.
8020 * doc/tm.texi (Misc): Document it.
8021 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8022 (mips_truncated_to_mode): New function.
8024 2006-04-16 Roger Sayle <roger@eyesopen.com>
8027 * expr.c (compress_float_constant): Copy the narrow constant into
8028 a new pseudo before extending it to its final width.
8030 2006-04-16 Roger Sayle <roger@eyesopen.com>
8031 Andrew Pinski <pinskia@gcc.gnu.org>
8032 Dale Johannesen <dalej@apple.com>
8035 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8036 special case code to implement V8HImode and V16QImode with SSE2.
8038 2006-04-15 Roger Sayle <roger@eyesopen.com>
8040 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8041 trees are constructed with a suitable tree type.
8043 2006-04-15 Roger Sayle <roger@eyesopen.com>
8045 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8046 (integer_onep): Likewise.
8047 (integer_all_onesp): Likewise.
8048 (integer_pow2p): Likewise.
8049 (integer_nonzerop): Likewise.
8050 (real_zerop): Likewise.
8051 (real_onep): Likewise.
8052 (real_twop): Likewise.
8053 (real_minus_onep): Likewise.
8054 (int_size_in_bytes): Likewise.
8055 (host_integerp): Likewise.
8057 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8059 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8060 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8061 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8063 * tree-ssa-structalias.h (alias_info): Remove num_references.
8065 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8067 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8068 (output_bvb patterns): Likewise.
8069 * pa.c (output_bb): Use 'bb' insn for long branch case.
8070 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8071 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8072 1. Correct length operand for alternatives 1 and 2.
8073 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8074 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8076 2006-04-14 Roger Sayle <roger@eyesopen.com>
8078 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8079 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8080 were accidentally reverted by r112959.
8082 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8085 * except.h (eh_region_outermost): New prototype.
8086 * except.c (eh_region_outermost): New function.
8087 * tree-cfg.c (find_outermost_region_in_block): Use it.
8089 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8091 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8093 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8094 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8095 (init_reload, reload): Use VEC instead of VARRAY.
8096 * reload.h: Update the prototype for
8097 reg_equiv_memory_loc_varray.
8099 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8100 Eric Botcazou <ebotcazou@libertysurf.fr>
8102 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8105 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8108 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8109 to expand fallback builtin function call.
8111 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8114 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8115 and emit libcall here in case the builtin fails.
8116 (expand_builtin_strcmp): Always emit the libcall here on failure.
8118 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8120 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8121 * flow.c (reg_n_info): Change the type to
8122 VEC(reg_info_p,heap) *.
8123 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8125 * regs.h (reg_info_p): New.
8126 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8127 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8128 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8131 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8133 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8135 * params.h (MAX_SCHED_READY_INSNS): New macro.
8136 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8137 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8138 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8139 the ready list for 1 cycle during the first scheduling pass.
8140 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8142 2006-04-13 Richard Henderson <rth@redhat.com>
8145 * gimple-low.c (lower_omp_directive): Remove dead code.
8146 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8147 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8148 * omp-low.c (struct omp_region): Move to tree-flow.h.
8149 (root_omp_region): Export.
8150 (omp_regions, lookup_omp_region): Remove.
8151 (determine_parallel_type): Update for struct omp_region changes.
8152 (dump_omp_region): Dump regions with block numbers.
8153 (new_omp_region): Take type and block instead of stmt; malloc
8155 (free_omp_region_1, free_omp_regions): New.
8156 (expand_parallel_call): Take entry_stmt as argument; update for
8157 changes to omp_region.
8158 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8159 (remove_exit_barriers): New.
8160 (expand_omp_parallel): Update for struct omp_region changes.
8161 (expand_omp_synch): Likewise.
8162 (expand_omp): Likewise.
8163 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8164 (expand_omp_for_static_chunk): Likewise.
8165 (expand_omp_for): Likewise.
8166 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8167 (expand_omp_sections): Similarly, with GOMP_sections_end.
8168 (expand_omp_single): New.
8169 (build_omp_regions_1): Update for OMP_CONTINUE.
8170 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8171 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8172 OMP_SECTIONS_SECTIONS.
8173 (lower_omp_single_simple): Don't emit barrier here.
8174 (lower_omp_single_copy): Likewise.
8175 (lower_omp_single): Fix bindings, and lower to straightline now.
8176 (lower_omp_master, lower_omp_ordered): Likewise.
8177 (lower_omp_critical): Likewise.
8178 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8179 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8180 omp edges, free it afterward.
8181 (make_omp_sections_edges): Remove.
8182 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8183 (move_stmt_r): Handle OMP_CONTINUE.
8184 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8185 statement pointers to basic blocks. Add type member.
8186 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8187 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8188 * tree-inline.c (estimate_num_insns_1): Likewise.
8189 * tree-pretty-print.c (dump_generic_node): Likewise.
8190 * tree-ssa-operands.c (get_expr_operands): Likewise.
8191 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8192 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8193 (OMP_CONTINUE): New.
8194 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8195 (OMP_SECTIONS_SECTIONS): Remove.
8196 (OMP_SECTION_LAST): New.
8197 (OMP_RETURN_NOWAIT): New.
8199 2006-04-13 Roger Sayle <roger@eyesopen.com>
8201 * fold-const.c (native_encode_vector, native_interpret_real):
8202 Correct obvious mistakes in the previous check-in.
8204 2006-04-13 Roger Sayle <roger@eyesopen.com>
8206 * fold-const.c (native_encode_expr): New function to encode
8207 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8208 or VECTOR_CST into a specified buffer.
8209 (native_encode_int): New function.
8210 (native_encode_real): New function.
8211 (native_encode_complex): New function.
8212 (native_encode_vector): New function.
8213 (native_interpret_expr): Inverse of native_encode_expr to convert
8214 a target representation into an INTEGER_CST, REAL_CST etc...
8215 (native_interpret_int): New function.
8216 (native_interpret_real): New function.
8217 (native_interpret_complex): New function.
8218 (native_interpret_vector): New function.
8219 (fold_view_convert_expr): New function to constant fold/evaluate
8220 a VIEW_CONVERT_EXPR of a suitable constant expression.
8221 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8222 Change call of build1 to fold_build1 when constructing a
8225 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8226 Ulrich Weigand <uweigand@de.ibm.com>
8229 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8232 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8235 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8236 optimize to lo_sum for DFmode if !TARGET_FPRS.
8238 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8240 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8241 delete_alias_info, compute_flow_sensitive_aliasing,
8242 group_aliases): Use VEC instead of VARRAY.
8243 * tree-ssa-structalias.c (update_alias_info): Likewise.
8244 * tree-ssa-structalias.h (alias_info): Change the type of
8245 processed_ptrs to VEC(tree,heap) *.
8247 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8250 * config/sh/lib1funcs.h: New file, broken out of:
8251 * config/sh/lib1funcs.asm.
8252 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8254 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8255 * config/sh/lib1funcs-Os-4-200.asm: New file.
8256 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8257 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8258 (EXTRA_MULTILIB_PARTS): Include it.
8259 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8260 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8261 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8262 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8265 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8267 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8268 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8269 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8271 * tree-ssa-live.h: Include vecprim.h.
8272 (tree_partition_associator_d): Change the type of
8273 first_partition to VEC(int,heap) *.
8274 (tpa_first_partition): Use VEC instead of VARRAY.
8276 * Makefile.in (GTFILES): Move functions.h after tree.h.
8277 * function.c (reset_block_changes, record_block_change,
8278 check_block_change, free_block_changes): Use VEC instead of
8280 * function.h (function): Change the type of
8281 ib_boundaries_block to VEC(tree,gc) *.
8282 * tree-inline.c (copy_cfg_body): Initialize
8283 ib_boundaries_block to NULL instead of (varray_type) 0.
8285 2006-04-12 Roger Sayle <roger@eyesopen.com>
8287 * expr.c (emit_group_store): Correct operand order in call to
8288 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8289 a SUBREG_BYTE of zero.
8291 2006-04-12 Richard Guenther <rguenther@suse.de>
8293 * profile.c (compute_branch_probabilities): Remove code
8294 encapsulated in !ir_type (), which are remanents of the
8295 removed RTL profiling code.
8296 * rtl-profile.c: Remove.
8298 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8300 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8301 magic NULL_RTX comment.
8302 (function_arg): Store entire fp arg to mem if any part should go
8304 (rs6000_arg_partial_bytes): Adjust for above change.
8306 2006-04-11 Roger Sayle <roger@eyesopen.com>
8308 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8309 if it hasn't been initialized by dwarf2out_init.
8311 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8313 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8314 symbolic constants in branch patterns.
8316 2006-04-11 Roger Sayle <roger@eyesopen.com>
8318 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8320 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8322 PR rtl-optimization/27073
8323 * gcse.c (try_replace_reg): Revert last change. Continue to search
8324 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8327 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8329 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8330 aggregate types other than record and union types.
8331 (function_arg): Likewise.
8332 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8334 (function_value): In 64-bit mode, return objects that require it
8337 2006-04-11 Roger Sayle <roger@eyesopen.com>
8339 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8341 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8343 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8345 2006-04-03 Jeff Law <law@redhat.com>
8348 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8349 alias information too.
8351 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8353 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8355 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8358 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8359 (premark_used_types_helper): New.
8360 (premark_used_types): New.
8361 (gen_subprogram_die): Call premark_used_types.
8362 (prune_unused_types_walk): Do not prune perennial dies.
8363 * function.c (used_types_insert): New.
8364 * function.h (struct function): Add used_types_hash field.
8365 (used_types_insert): Add prototype.
8366 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8367 * c-parser.c (c_parser_cast_expression): Save casted types in used
8370 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8373 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8374 rs6000_explicit_options.float_gprs.
8376 2006-04-10 Roger Sayle <roger@eyesopen.com>
8378 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8379 from ix86_expand_vector_init_low_nonzero. Take an additional
8380 one_var argument indicating which element is non-zero. Support
8381 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8382 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8383 with one_var instead of ix86_expand_vector_init_low_nonzero.
8385 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8387 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8388 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8389 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8390 build/genextract.o): Depend on vecprim.h.
8391 * cfglayout.c, df-problems.c, function.c, genextract.c,
8392 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8393 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8397 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8399 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8400 Declare VECs of this type.
8401 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8402 (remove_children): Delete.
8403 (add_dwarf_attr): Use VEC routines.
8404 (add_AT_flag): Update for changes to add_dwarf_attr.
8405 (add_AT_int): Likewise.
8406 (add_AT_unsigned): Likewise.
8407 (add_AT_long_long): Likewise.
8408 (add_AT_vec): Likewise.
8409 (add_AT_string): Likewise.
8410 (add_AT_die_ref): Likewise.
8411 (add_AT_fde_ref): Likewise.
8412 (add_AT_loc): Likewise.
8413 (add_AT_loc_list): Likewise.
8414 (add_AT_addr): Likewise.
8415 (add_AT_lbl_id): Likewise.
8416 (add_AT_lineptr): Likewise.
8417 (add_AT_macptr): Likewise.
8418 (add_AT_offset): Likewise.
8419 (add_AT_range_list): Likewise.
8420 (get_AT): Use VEC_iterate.
8421 (remove_AT): Use VEC_ordered_remove.
8422 (free_die): Fold remove_children into here; have it use VEC_iterate.
8423 (print_die): Use VEC_iterate on attrs.
8424 (reverse_die_lists): Don't reverse attr lists.
8425 (die_checksum): Use VEC_iterate on attrs.
8426 (same_die_p): Likewise.
8427 (output_location_lists): Likewise.
8428 (build_abbrev_table): Likewise.
8429 (size_of_die): Likewise.
8430 (unmark_all_dies): Likewise.
8431 (output_abbrev_section): Likewise.
8432 (output_die): Likewise.
8433 (prune_unused_types_walk_attribs): Likewise.
8435 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8437 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8439 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8442 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8444 2006-04-09 Roger Sayle <roger@eyesopen.com>
8446 * expr.c (store_constructor): Don't bother clearing target if
8447 we're about to assign a vector to it using vec_init_optab.
8449 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8451 * tree-ssa-alias.c (lhs_may_store_to): New function.
8452 (recalculate_used_alone): Handle LHS of calls.
8454 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8458 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8459 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8460 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8461 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8462 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8463 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8464 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8465 stubs. Add ".align 8" directives before all ".dword" directives.
8466 (GTHREAD_USE_WEAK): Revise comment.
8467 (TARGET_ATTRIBUTE_WEAK): Define.
8468 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8469 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8470 * stublib.c: New file.
8475 * pa.md (cbranch patterns): Revise arguments used in calls to
8476 output_cbranch, output_bb and output_bvd. Add long branch length
8478 (fbranch patterns): Handle long branches.
8479 (jump): Revise length check. Revise arguments for output_lbranch call.
8480 Add long branch length attributes.
8481 (decrement_and_branch_until_zero): Add long branch length attributes.
8482 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8483 Likewise. Revise arguments for output_parallel_addb and
8484 output_parallel_movb calls.
8485 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8486 output_parallel_movb and output_parallel_addb): Update prototypes.
8487 * pa.c (output_cbranch): Revise arguments. Correct handling of
8488 nullification in long branches.
8489 (output_lbranch): Add new argument to control extraction of delay
8491 (output_bb): Handle long branches.
8492 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8493 output_parallel_addb): Likewise.
8495 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8497 PR rtl-optimization/27073
8498 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8501 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8503 * tree.h (tree_memory_tag): Add old_used_alone.
8504 (SMT_OLD_USED_ALONE): New macro.
8505 * tree-ssa-alias.c (recalculate_used_alone): Stop
8506 marking things for renaming unnecessarily.
8508 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8510 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8511 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8512 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8513 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8514 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8515 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8516 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8517 spelling convensions.
8518 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8519 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8520 typos. Follow spelling conventions.
8522 2006-04-07 DJ Delorie <dj@redhat.com>
8524 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8525 passed on the stack.
8526 (m32c_init_cumulative_args): When a function returns a structure,
8527 always pass the pointer to that return area on the stack.
8528 (m32c_function_arg_advance): Don't increment the parameter number
8529 if we're processing the returned structure pointer.
8530 (pushm_info): Reverse order of registers.
8532 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8534 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8535 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8536 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8537 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8539 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8540 chrec_fold_multiply): Same.
8541 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8542 force_expr_to_var_cost): Same.
8543 * tree-mudflap.c (mf_xform_derefs_1): Same.
8544 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8546 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8548 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8549 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8552 2006-04-07 Jan Hubicka <jh@suse.cz>
8554 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8556 2006-04-07 Richard Guenther <rguenther@suse.de>
8558 PR tree-optimization/26135
8559 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8560 loads for store copy-prop.
8561 (copy_prop_visit_stmt): Likewise.
8563 2006-04-05 Robert Millan <robertmh@gnu.org>
8565 * config/i386/linux.h: Add a comment to mark macros that are
8566 being overriden in config/k*bsd-gnu.h.
8567 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8569 * config/knetbsd-gnu.h: Ditto.
8571 2006-04-06 Jan Hubicka <jh@suse.cz>
8575 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8578 2006-04-06 Mike Stump <mrs@apple.com>
8580 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8581 for HAVE_nonlocal_goto to be consistent.
8582 (expand_builtin_nonlocal_goto): Likewise.
8583 (expand_builtin_strcmp): Use #ifdef instead of #if
8584 for HAVE_cmpstrnsi to be consistent.
8586 2006-04-05 DJ Delorie <dj@redhat.com>
8588 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8591 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8593 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8594 got-relative addressing for anything but SImode.
8596 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8597 even if the calling function doesn't modify them.
8599 2006-04-05 Richard Guenther <rguenther@suse.de>
8601 PR tree-optimization/26919
8602 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8603 to cgraph_estimate_size_after_inlining.
8605 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8607 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8609 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8611 PR tree-optimization/26996
8612 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8613 VECTOR_TYPE variables.
8615 2006-04-05 Richard Guenther <rguenther@suse.de>
8617 PR tree-optimization/26763
8618 * fold-const.c (fold_comparison): Move folding of
8619 PTR + CST CMP PTR + CST ...
8620 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8622 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8624 * doc/install.texi (Prerequisites): Refine some wording on
8625 bootstrapping and ksh.
8626 Move the version numbers of DejaGnu here from the testing section
8627 and fix casing of names.
8628 Fix markup and clarify wording for autogen requirements.
8629 Refer to GCJ instead of just java.
8630 Refer to SVN instead of CVS.
8631 Describe diffutils as useful instead of necessary.
8632 (Downloading the source): Refer to SVN instead of CVS.
8633 Adjust a link to our web site accordingly.
8634 (Configuration): Fix casing of Bison.
8635 (Building): Refer to SVN instead of CVS.
8636 Fix a sentence on the use of Bison and remove duplicate (and
8637 incorrect) version number of Bison requirement.
8638 Remove one redundant list of packages needed for building.
8639 (Specific): Avoid reference to CVS.
8641 2006-04-04 Eric Christopher <echristo@apple.com>
8643 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8644 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8645 (rs6000_handle_struct_attribute): New.
8646 (rs6000_ms_bitfield_layout_p): Ditto.
8648 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8650 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8651 NULL for dso parameter to atexit_common.
8653 2006-04-04 Eric Christopher <echristo@apple.com>
8655 * config/i386/i386.c (machopic_output_stub): Output \t
8656 between instructions and operands.
8658 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8660 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8661 satisfies_constraint_[IL] to explicit tests on value.
8663 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8665 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8666 set_nb_iterations_in_loop): Use build_int_cst instead of
8668 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8669 build_int_cst instead of convert.
8671 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8673 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8674 new value 2 for incoming.
8675 * function.c (expand_function_start): Call struct_value_rtx
8677 * config/sparc/sparc.md: Comment updated_return.
8678 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8679 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8680 struct return if sparc_std_struct_return and incoming is 2.
8681 (print_operand): Do not adjust return if
8682 sparc_std_struct_return.
8684 2006-04-04 Roger Sayle <roger@eyesopen.com>
8686 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8687 convert in the middle-end.
8688 * expr.c (store_expr, store_constructor, get_inner_reference,
8689 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8691 * tree.c (build_range_type): Likewise.
8693 2006-04-04 Tom Tromey <tromey@redhat.com>
8695 * doc/install.texi (Prerequisites): Mention jar.
8697 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8699 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8702 2006-04-04 Matthias Klose <doko@debian.org>
8704 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8708 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8711 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8713 * doc/extend.texi (Function Attributes): Rewrite visibility
8714 attribute documentation.
8715 * doc/invoke.texi (C++ Dialect Options): Rewrite
8716 -fvisibility-inlines-hidden documentation to describe something
8717 entirely different, although in practise compatible.
8718 (Code Gen Options): Warn about system headers in -fvisibility=
8721 * doc/extend.texi (Other Builtins): Document that
8722 __builtin_nan is a compile-time constant only when its argument
8725 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8727 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8728 trying to remove TRUNCATE check if all bits outside the new mode
8729 are identical to the sign bit.
8731 2006-04-03 Jeff Law <law@redhat.com>
8733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8734 and operand scanning in some common cases.
8736 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8737 Dale Johannesen <dalej@apple.com>
8740 * regclass.c (struct reg_pref): Update documentation.
8741 (regclass): Set prefclass to NO_REGS if memory is the best option.
8742 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8743 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8744 into account. For non-registers, equate an empty preferred
8745 reload class to a `!' in the constraint; move the if clause to
8746 do so after those that reject the insn.
8747 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8749 (find_dummy_reload): Likewise.
8750 * doc/tm.texi (Register Classes): Document what it means
8751 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8752 * config/i386/i386.c (ix86_preferred_reload_class): Force
8753 using SSE registers (and return NO_REGS for floating-point
8754 constants) if math is done with SSE.
8755 (ix86_preferred_output_reload_class): New.
8756 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8757 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8758 * config/i386/i386.md: Remove # register preferences.
8760 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8763 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8764 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8765 the type of nb_iter.
8766 (instantiate_parameters_1): Convert the operands before calling
8767 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8768 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8770 2006-04-02 Roger Sayle <roger@eyesopen.com>
8772 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8773 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8775 * dojump.c (do_jump): Likewise.
8776 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8777 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8778 gimplify_boolean_expr): Likewise.
8779 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8780 * varasm.c (array_size_for_constructor): Likewise.
8781 * tree-object-size.c (compute_object_offset): Likewise.
8783 2006-04-02 Roger Sayle <roger@eyesopen.com>
8786 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8787 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8789 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8791 PR tree-optimization/26939
8792 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8794 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8796 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8797 at_stmt. Convert the type of operands before calling
8798 build_polynomial_chrec.
8799 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8801 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8802 (instantiate_parameters_1): Convert the type of operands before calling
8803 build_polynomial_chrec.
8804 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8805 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8806 reset_evolution_in_loop): Insert asserts to check the types of the
8808 (chrec_type): Moved...
8809 (eq_evolutions_p): Use operand_equal_p.
8810 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8811 the types of the operands.
8812 (chrec_type): ...here.
8813 * tree-data-ref.c (create_data_ref): Convert the operands before
8814 calling chrec_replace_initial_condition.
8815 (same_access_functions, analyze_subscript_affine_affine,
8816 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8817 (compute_subscript_distance, analyze_ziv_subscript,
8818 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8819 analyze_miv_subscript): Convert the operands before calling
8820 chrec_fold_minus or chrec_fold_plus.
8822 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8824 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8825 the dependence_relations vector.
8826 (compute_data_dependences_for_loop): Adjust call to
8827 compute_all_dependences.
8829 2006-04-01 Roger Sayle <roger@eyesopen.com>
8830 Richard Henderson <rth@redhat.com>
8832 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8833 gimple_boolify on the condition before calling gimplify_expr.
8835 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8837 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8838 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8839 the frame size. Update to use the new macros.
8840 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8841 * config/xtensa/ieee754-df.S: Likewise.
8843 2006-03-31 Richard Henderson <rth@redhat.com>
8845 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8846 (make_edges): ... here. Control fallthru creation with a local
8847 variable. Do not play with fake edges.
8848 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8849 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8852 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8854 * dwarf2.h (DW64_CIE_ID): Define.
8855 * dwarf2out.c (DWARF_CIE_ID): Define.
8856 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8857 length header. Use DWARF_CIE_ID.
8858 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8859 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8861 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8863 * config/sh/linux-atomic.asm: New file.
8864 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8866 2006-03-31 DJ Delorie <dj@redhat.com>
8868 * config/m32c/cond.md: Set condition flags properly throughout.
8869 * config/m32c/minmax.md: Likewise.
8870 * config/m32c/prologue.md: Likewise.
8871 * config/m32c/bitops.md: Likewise.
8872 * config/m32c/muldiv.md: Likewise.
8873 * config/m32c/mov.md: Likewise.
8874 * config/m32c/addsub.md: Likewise.
8875 * config/m32c/m32c.md: Likewise.
8876 * config/m32c/jump.md: Likewise.
8877 * config/m32c/shift.md: Likewise.
8879 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8880 conditionally output the pattern for this.
8881 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8882 (m32c_compare_redundant): New.
8883 (m32c_output_compare): New.
8884 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8886 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8887 dest, not src. Allow other 4-byte modes.
8889 2006-03-30 Denis Chertykov <denisc@overta.ru>
8891 * doc/md.texi: Refer to avr/constraints.md instead of
8894 2006-03-30 Roger Sayle <roger@eyesopen.com>
8896 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8897 signed vs. unsigned comparison failures on some hosts.
8899 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8902 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8903 change to FLOAT_REGS.
8905 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8906 (rs6000_override_options): Use it.
8907 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8908 only for -mabi=spe/no-spe and -mabi=altivec.
8910 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8912 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8915 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8917 * Makefile.in: Rename docdir to gcc_docdir.
8919 2006-03-30 Roger Sayle <roger@eyesopen.com>
8922 * expr.c (emit_group_store): Optimize group stores into a pseudo
8923 register by using a paradoxical subreg to initialize the destination
8924 if the first or last member of the group specifies a "low part".
8926 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8929 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8930 * target.h (struct gcc_target.speculate_insn): Change type of the
8931 second parameter to 'int'.
8932 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8933 the second operand of the DEPS_LIST.
8934 (copy_DEPS_LIST_list): Update reference to the second operand of the
8936 * rtl.h (alloc_DEPS_LIST): Update signature.
8937 * sched-int.h (ds_t): Change typedef to 'int'.
8938 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8940 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8942 * haifa-sched.c (try_ready): Change condition to restore
8943 non-speculative pattern of the instruction.
8944 (process_insn_depend_be_in_spec): Code to keep probability of the
8945 speculative dependence non-decreasing.
8947 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8949 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8950 (single_move_for_movmem): ... this. Also change all uses.
8951 (bfin_expand_strmov): Renamed to...
8952 (bfin_expand_movmem): ... this. Also change all uses.
8953 * config/bfin/bfin.md (movstrsi): Renamed to...
8954 (movstrsi): ...this.
8956 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8958 PR tree-optimization/26830
8960 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8961 (copy_prop_visit_stmt): Remove write-only variable ann.
8962 (init_copy_prop): Check variable loop depth here. Do not simulate
8963 memory-tag and virtual operand PHIs except for store copy prop.
8965 2006-03-30 Richard Guenther <rguenther@suse.de>
8967 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8968 variants with double arguments.
8970 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8972 * genpreds.c (write_tm_constrs_h): Delete variable p.
8973 * genconditions.c (write_header): Add tm-constrs.h to included
8975 * genpeep.c (main): Add toplev.h to included headers.
8976 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8977 (build/genpeep.o): Add toplev.h dependency.
8978 * config/rs6000/constraints.md: Add "W" constraint.
8980 2006-03-29 Roger Sayle <roger@eyesopen.com>
8982 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8983 sizes by correctly testing whether the size fits a host integer.
8984 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8985 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8986 SImode range for the default sizetype and bitsizetype.
8988 2006-03-29 Roger Sayle <roger@eyesopen.com>
8990 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8991 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8992 quickly if the argument is already of the correct type.
8993 Call fold_build1 instead of build1. Tidy up blank lines.
8995 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8997 * genemit.c (main): Add tm-constrs.h to included headers.
8998 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8999 * genpeep.c (main): Add tm-constrs.h to included headers.
9000 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9001 (write_tm_constrs_h): this and write complete file.
9002 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9003 (write_insn_preds_c): Add tm-constrs.h to included headers.
9004 (gen_constrs): New variable.
9005 (parse_option): Parse "-c".
9006 (main): Invoke write_tm_constrs_h.
9007 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9008 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9009 (object_out_file): Add tm-constrs.h dependency.
9010 (insn-emit.o): Same.
9011 (insn-output.o): Same.
9012 (insn-peep.o): Same.
9013 (insn-preds.o): Same.
9014 (insn-recog.o): Same.
9015 (tm-constsr.h): New target.
9016 (s-constrs-h): New target.
9018 * config/rs6000/constraints.md: New file.
9019 * config/rs6000/rs6000.c: Include tm-constrs.h.
9020 (num_insn_constant_wide): Convert to satisfies_constraint.
9021 (rs6000_rtx_costs): Convert to satisfies_constraint.
9022 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9023 (CONST_OK_FOR_LETTER_P): Delete.
9024 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9025 (EXTRA_CONSTRAINT): Delete.
9026 (EXTRA_MEMORY_CONSTRAINT): Delete.
9027 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9028 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9029 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9030 satisfies_constraint.
9032 * config/i386/i386.c: Include tm-constrs.h.
9034 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9036 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9037 * tree-data-ref.c (find_data_references_in_loop,
9038 compute_data_dependences_for_loop): Use pointers to VEC.
9039 (analyze_all_data_dependences): Adjust calls.
9040 * tree-data-ref.h (find_data_references_in_loop,
9041 compute_data_dependences_for_loop): Adjust declarations.
9042 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9043 compute_data_dependences_for_loop.
9045 2006-03-29 Paul Brook <paul@codesourcery.com>
9047 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9050 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9052 PR tree-optimization/26859
9053 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9055 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9056 for the step after fold_convert.
9058 2006-03-29 Paul Brook <paul@codesourcery.com>
9060 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9061 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9063 2006-03-29 Paul Brook <paul@codesourcery.com>
9066 * targhooks.c (default_narrow_bitfield): New fuction.
9067 * targhooks.h (default_narrow_bitfield): add prototype.
9068 * target.h (gcc_target): Add narrow_volatile_bitfield.
9069 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9070 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9071 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9072 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9074 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9076 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9078 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9079 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9080 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9081 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9082 (s390_function_arg_float): Allow SDmode and DDmode values to be
9083 passed in floating point registers.
9084 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9085 check with SCALAR_FLOAT_MODE_P.
9086 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9088 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9090 PR tree-optimization/25985
9091 * tree-ssa-loop-niter.c (number_of_iterations_le,
9092 number_of_iterations_ne): Make comments more precise.
9093 (number_of_iterations_cond): Add only_exit argument. Use the
9094 fact that signed variables do not overflow only when only_exit
9096 (loop_only_exit_p): New.
9097 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9098 number_of_iterations_cond.
9100 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9102 PR tree-optimization/26643
9103 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9106 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9108 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9109 (divsi3_i4_int): Likewise.
9111 2006-03-28 Roger Sayle <roger@eyesopen.com>
9113 * expr.c (emit_group_store): Only create a new pseudo reg if the
9114 quantity it needs to hold isn't already a suitable pseudo.
9116 2006-03-28 Jeff Law <law@redhat.com>
9118 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9119 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9121 2006-03-28 Roger Sayle <roger@eyesopen.com>
9123 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9124 the equivalent ~X & Y, and the symmetry related transformations.
9125 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9126 ~X & Y, and symmetry related transforms.
9128 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9130 Revert my 2006-03-27 patches.
9132 2006-03-28 Roger Sayle <roger@eyesopen.com>
9134 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9135 ~(T1)X, when T1 and T2 are integer types of the same precision
9136 and (T2)X isn't an extension.
9138 2006-03-28 Jeff Law <law@redhat.com>
9140 PR tree-optimization/26796
9141 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9142 need EH edge cleanups rather than purging them immediately.
9143 (eliminate_degenerate_phis): Handle queued EH cleanups.
9145 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9147 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9150 2006-03-27 Roger Sayle <roger@eyesopen.com>
9153 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9154 cast BIT_NOT_EXPR operand to the correct type.
9156 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9158 * tree-loop-linear.c: Don't include varray.h.
9159 (gather_interchange_stats, try_interchange_loops,
9160 linear_transform_loops): Use VEC instead of VARRAY.
9161 * lambda-mat.c: Don't include varray.h.
9162 * tree-chrec.c: Same.
9163 * lambda-trans.c: Same.
9164 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9165 VEC instead of VARRAY.
9166 * tree-vectorizer.h: Idem.
9167 * tree-data-ref.c (dump_data_references,
9168 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9169 initialize_data_dependence_relation, finalize_ddr_dependent,
9170 compute_all_dependences, find_data_references_in_loop,
9171 compute_data_dependences_for_loop, analyze_all_data_dependences,
9172 free_dependence_relation, free_dependence_relations,
9173 free_data_refs): Idem.
9174 * tree-data-ref.h (data_reference_p, subscript_p): New.
9175 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9176 VEC instead of VARRAY.
9177 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9178 (find_data_references_in_loop, compute_data_dependences_for_loop,
9179 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9180 dump_data_dependence_relations, free_dependence_relations,
9181 free_data_refs): Adjust declaration.
9182 (lambda_transform_legal_p): Move declaration here...
9183 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9184 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9185 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9186 vect_analyze_data_refs): Use VEC instead of VARRAY.
9187 * lambda.h (lambda_transform_legal_p): ...from here.
9188 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9189 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9190 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9191 tree-chrec.o): Don't depend on VARRAY_H.
9193 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9195 * rtl.def (Copyright): Update date.
9196 (DEPS_LIST): Change type of the second operand to 'int'.
9197 * target.h (Copyright): Update date.
9198 (struct gcc_target.speculate_insn): Change type of the second parameter
9200 * lists.c (Copyright): Update date.
9201 (alloc_DEPS_LIST): Change signature. Update reference to the second
9202 operand of the DEPS_LIST.
9203 (copy_DEPS_LIST_list): Update reference to the second operand of the
9205 * rtl.h (Copyright): Update date.
9206 (alloc_DEPS_LIST): Update signature.
9207 * sched-int.h (Copyright): Update date.
9208 (ds_t): Change typedef to 'int'.
9209 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9211 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9213 * haifa-sched.c (Copyright): Update date.
9214 (try_ready): Change condition to restore non-speculative pattern
9216 (process_insn_depend_be_in_spec): Code to keep probability of the
9217 speculative dependence non-decreasing.
9219 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9221 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9222 shut up the compiler.
9224 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9226 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9227 to use lib prefix for target.
9228 ($(T)libic_invalidate_array_4-200.a): Likewise.
9229 ($(T)libic_invalidate_array_4a.a): Likewise.
9231 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9232 J"orn Rennecke <joern.rennecke@st.com>
9234 * superh.opt: New file.
9235 * sh.c (boardtype, osruntime): Remove.
9236 * superh.h (SUBTARGET_OPTIONS): Remove.
9237 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9239 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9240 arguments with ^ and/or [].
9242 * config.gcc (sh-*-*): Add quoting to account for quirk of
9244 Replace == with = in enable_incomplete_targets test.
9246 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9247 with MASK_LITTLE_ENDIAN.
9249 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9250 * config/sh/sh.opt: Added to some comments.
9251 * config/sh/superh.h: Removed some chaff.
9253 * config/sh/sh.opt: Add m4-[1234]00* options.
9254 * config/sh/sh.c (sh_handle_option): Likewise.
9255 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9256 (ic_invalidate_array_4-100.o): New rule.
9257 ($(T)libic_invalidate_array_4-100.a): Likewise.
9258 (ic_invalidate_array_4-200.o): Likewise.
9259 ($(T)libic_invalidate_array_4-200.a): Likewise.
9260 (ic_invalidate_array_4a.o): Likewise.
9261 ($(T)libic_invalidate_array_4a.a): Likewise.
9262 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9263 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9265 * config/sh/crt1.asm: Merged in profiling code.
9266 * config/sh/superh.h (STARTFILE_SPEC): Override.
9267 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9268 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9269 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9271 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9272 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9273 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9275 * sh.opt (mpretend-cmove): New option.
9276 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9277 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9278 (movsicc): Add TARGET_PRETEND_CMOVE code.
9280 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9282 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9283 s390_class_max_nregs): New function prototypes.
9284 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9285 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9286 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9287 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9289 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9291 * dwarf2out.c (add_location_or_const_value_attribute): Call
9292 tree_add_const_value_attribute if nothing else works.
9293 (reference_to_unused): New.
9294 (rtl_for_decl_init): Use reference_to_unused to decide whether
9295 to output an initializer.
9297 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9300 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9301 peephole removing spe frob_di_df_2.
9303 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9305 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9306 (subscript_dependence_tester_1): Declared.
9307 (print_dir_vectors, print_dist_vectors): New.
9308 (debug_data_dependence_relation): New.
9309 (dump_data_dependence_relation): Print more details.
9310 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9311 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9312 (save_dist_v, save_dir_v, add_outer_distances,
9313 build_classic_dist_vector_1): New.
9314 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9315 Don't test for lambda_vector_lexico_pos.
9316 (same_access_functions, add_multivariate_self_dist,
9317 add_other_self_distances, dir_from_dist): New.
9318 (build_classic_dir_vector): Replace implementation almost identical to
9319 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9321 (subscript_dependence_tester_1): New.
9322 (subscript_dependence_tester): Handle the lexicographically negative
9323 distance vectors by recomputing the dependence relation.
9324 (compute_affine_dependence): Remove parameter loop_nest_depth.
9325 (compute_self_dependence): Don't call compute_subscript_distance.
9326 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9327 Add a parameter for the loop_nest.
9328 (find_loop_nest_1, find_loop_nest): New.
9329 (compute_data_dependences_for_loop): Compute the loop nest, and give
9330 up if the nest is not well formed.
9331 * tree-data-ref.h (loop_p): New.
9332 (struct data_dependence_relation): Replace size_vect field with
9333 loop_nest, a vec of loops.
9334 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9335 (DDR_LOOP_NEST): New.
9336 (print_dir_vectors, print_dist_vectors,
9337 debug_data_dependence_relation): Declared.
9338 (index_in_loop_nest): New.
9339 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9340 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9343 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9345 * simplify-rtx.c (simplify_relational_operation): Call
9346 simplify_relational_operation_1 even if mode is VOIDmode.
9348 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9350 PR tree-optimization/26804
9351 * tree.h (DECL_CALL_CLOBBERED): New macro.
9352 (tree_decl_common): Add call_clobbered_flag.
9353 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9354 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9355 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9356 (mark_non_addressable): Ditto.
9357 * tree-ssa.c (verify_call_clobbered): New function.
9358 (verify_alias_info): Use it.
9359 * tree-pass.h (pass_reset_cc_flags): New prototype.
9360 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9361 (reset_cc_flags): New function.
9362 * passes.c (init_optimization_passes): Call reset_cc_flags after
9363 initializing referenced_vars.
9365 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9366 Roger Sayle <roger@eyesopen.com>
9369 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9370 to 1.0 for non-real operands. Implement A / A optimization for
9373 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9375 * config/i386/i386.c (size_cost): Correct the comment for
9376 cost of storing fp registers.
9377 (i386_cost): Likewise.
9378 (i486_cost): Likewise.
9379 (pentium_cost): Likewise.
9380 (pentiumpro_cost): Likewise.
9381 (k6_cost): Likewise.
9382 (athlon_cost): Likewise.
9383 (k8_cost): Likewise.
9384 (pentium4_cost): Likewise.
9385 (nocona_cost): Likewise.
9386 (generic64_cost): Likewise.
9387 (generic32_cost): Likewise.
9389 2006-03-24 Denis Chertykov <denisc@overta.ru>
9391 * config/avr/avr-protos.h (extra_constraint): Delete.
9392 (extra_constraint_Q): New declaration.
9393 * config/avr/constraints.md: New file.
9394 * config/avr/avr.md: Include it.
9395 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9396 (TMP_REGNO, ZERO_REGNO): Likewise.
9397 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9398 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9399 (extra_constraint): Delete.
9400 (extra_constraint_Q): Test for memory constraint 'Q'.
9401 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9402 (REG_CLASS_FROM_LETTER): Delete.
9403 (CONST_OK_FOR_LETTER_P): Delete.
9404 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9405 (EXTRA_CONSTRAINT): Delete.
9406 (TMP_REGNO): Delete.
9407 (ZERO_REGNO): Delete.
9409 2006-03-24 Jeff Law <law@redhat.com>
9411 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9412 directly. Call mark_new_vars_to_rename slightly earlier.
9414 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9416 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9418 (gen_compile_unit_die): Use new language types for Objective-C and
9420 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9421 DW_LANG_C_plus_plus.
9424 * config/t-darwin (crt3.o): Work around bug 26840.
9425 * config/darwin-crt3.c: Rewrite.
9426 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9428 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9430 * doc/invoke.texi: Document -femit-class-debug-always
9431 * common.opt: Add -femit-class-debug-always.
9433 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9435 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9436 index and base register.
9437 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9438 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9439 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9440 REGNO_OK_FOR_INDEX_P.
9441 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9443 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9444 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9445 REG_OK_FOR_BASE_P): Definitions removed.
9447 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9450 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9451 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9452 set yet or weren't marked as local yet.
9454 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9456 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9459 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9461 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9462 (rs6000_legitimate_small_data_p): Delete.
9463 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9464 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9465 and make static. Add forward declaration. Update uses.
9466 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9467 of offsettable_memref_p.
9468 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9469 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9471 2006-03-24 Jeff Law <law@redhat.com>
9473 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9474 around bug in immediate-use iterator.
9476 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9479 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9480 or __LITTLE_ENDIAN__.
9482 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9484 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9485 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9486 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9487 * config/sh/sh.opt (mdiv=): Amend description.
9488 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9489 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9490 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9491 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9492 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9493 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9494 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9495 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9496 TARGET_DIVIDE_CALL_FP.
9498 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9500 * haifa-sched.c (choose_ready): Fix type of the local variable.
9501 Move local variables. Add comment.
9502 (check_reg_live): Change signature. Make callable from debugger.
9503 * sched-int.h (check_reg_live): Update signature.
9504 * sched-ebb.c (check_reg_live): Update parameters.
9505 * sched-rgn.c (check_reg_live): Ditto.
9506 (region_head_or_leaf_p): Check pointer before dereferencing.
9507 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9508 before reload on optimization levels below 1.
9510 2006-03-23 Richard Henderson <rth@redhat.com>
9512 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9516 * config/alpha/predicates.md (local_symbolic_operand): Reject
9519 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9522 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9523 expressions which have overflowed constants.
9525 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9527 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9529 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9531 * cfgloopmanip.c (create_loop_notes): Removed.
9532 * final.c (final_scan_insn): Do not handle loop notes.
9533 * jump.c (squeeze_notes): Ditto.
9534 * cfglayout.c (skip_insns_after_block,
9535 duplicate_insn_chain): Ditto.
9536 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9538 * cfgloop.h (create_loop_notes): Declaration removed.
9540 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9542 * varasm.c (output_constant_pool): Restore fnname and fndecl
9544 (assemble_start_function): Adjust call accordingly.
9545 (assemble_end_function): Likewise.
9547 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9550 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9553 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9555 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9558 * system.h (ICE_EXIT_CODE): New macro.
9559 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9560 (diagnostic_action_after_output): Likewise.
9561 * gcc.c (fatal_ice): New function.
9562 (execute): Use it instead of fatal.
9563 (fancy_abort): Likewise.
9564 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9566 2006-03-22 Jeff Law <law@redhat.com>
9568 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9569 iv_analyze_result returning false.
9571 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9573 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9575 2006-03-22 Richard Henderson <rth@redhat.com>
9578 * except.c (duplicate_eh_regions_0): New.
9579 (duplicate_eh_region_1): Duplicate the children of the node as
9580 well as the node itself. Link them up properly.
9581 (duplicate_eh_region_2): Merge into ...
9582 (duplicate_eh_regions): ... here. Take copy_region argument, and
9583 copy only a sub-tree if asked. Simplify copying and fixup.
9584 (eh_region_outer_p): New.
9585 * except.h (duplicate_eh_regions): Update decl.
9586 (eh_region_outer_p): Declare.
9587 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9588 (lower_omp_master): Likewise.
9589 (lower_omp_ordered): Likewise.
9590 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9591 (move_stmt_r): Use it to remap labels. Handle recursion vs
9592 remap_decls_p properly.
9593 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9594 (find_outermost_region_in_block): New.
9595 (new_label_mapper): New.
9596 (move_sese_region_to_fn): Copy eh information to the new function
9598 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9600 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9603 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9605 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9606 into shared libraries.
9608 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9610 * doc/md.texi: Refer to i386/constraints.md instead of
9612 * config/i386/constraints.md: New file, extracted from...
9613 * config/i386/predicates.md: ...here.
9614 * config/i386/i386.md: Include constraints.md.
9616 2006-03-21 Jason Merrill <jason@redhat.com>
9618 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9621 * expr.c (init_block_move_fn): Force default visibility.
9622 (init_block_clear_fn): Likewise.
9623 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9624 * targhooks.c (default_external_stack_protect_fail): Likewise.
9626 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9628 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9629 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9630 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9631 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9632 (loadgp): Use mips_current_loadgp_style.
9633 (loadgp_noshared): New pattern.
9634 (sibcall_internal): Use MIPS_CALL.
9635 (sibcall_value_internal): Likewise.
9636 (sibcall_value_multiple_internal): Likewise.
9637 (call_internal): Likewise.
9638 (call_value_internal): Likewise.
9639 (call_value_multiple_internal): Likewise.
9640 (call_split): Use MIPS_CALL and add an 'S' constraint.
9641 (call_value_split): Likewise.
9642 (call_value_multiple_split): Likewise.
9643 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9644 (-mshared): New option.
9645 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9646 (mips_current_loadgp_style): Declare.
9647 * config/mips/mips.c (mips_classify_symbol): Avoid using
9648 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9649 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9650 TARGET_ABSOLUTE_ABICALLS.
9651 (override_options): Adjust comments. Improve the warning that is
9652 issued when -mabicalls and -G are used together.
9653 (mips_file_start): Remove comment.
9654 (mips_current_loadgp_style): New function.
9655 (mips_gnu_local_gp): New variable.
9656 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9658 (mips_output_function_prologue): Use mips_current_laodgp_style.
9659 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9660 the cprestore instruction.
9661 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9662 live for TARGET_ABSOLUTE_ABICALLS.
9663 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9664 (ASM_SPEC): Pass down -mshared and -mno-shared.
9665 (MIPS_CALL): New macro.
9666 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9668 * doc/invoke.texi (-mabicalls): Update documentation.
9669 (-mshared): Document.
9671 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9673 * config/ia64/unwind-hpux.c: New file.
9674 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9676 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9679 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9681 2006-03-21 Jeff Law <law@redhat.com>
9683 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9684 type conversions of a VR_VARYING source to a wider type.
9686 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9688 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9689 tm_file on Solaris 10 and later.
9690 (sparc64-*-solaris2*): Likewise.
9691 (sparc-*-solaris2*): Likewise.
9692 * config/sol26.h: Rename to config/sol2-6.h.
9693 * config/sol2-10.h: New file.
9695 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9698 * tree-ssa-pre.c (create_component_ref_by_pieces):
9701 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9704 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9705 return it immediately.
9707 2006-03-21 Michael Matz <matz@suse.de>
9709 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9711 (remove_arc, add_arc): Update num_out_arcs member.
9712 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9714 (cache_presence): New function.
9715 (compare_states_for_equiv): New function.
9716 (state_is_differed): Don't take number of outargs, adjust callers.
9717 Use new invariant for speeding up.
9718 (init_equiv_class): Create initial classes based on sorted
9720 (partition_equiv_class): Don't track out_arcs_num.
9721 (evaluate_equiv_classes): Call cache_presence on all states and
9724 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9726 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9727 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9728 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9729 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9731 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9732 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9733 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9734 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9735 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9737 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9738 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9739 (REGNO_REG_CLASS): ARGP is in PREGS.
9740 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9742 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9743 to deal with those addresses.
9744 * addresses.h: New file.
9745 * caller-save.c: Include "addresses.h".
9746 (init_caller_save): Use new base_reg_class function.
9747 * rtl-factoring.c: Include "addresses.h".
9748 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9749 * recog.c: Include "addresses.h".
9750 (preprocess_constraints): Use new base_reg_class function.
9751 * regrename.c: Include "addresses.h".
9752 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9753 functions. Keep track of a new var INDEX_CODE to compute valid
9755 (replace_oldest_value_addr): Likewise.
9756 (replace_oldest_value_mem): Use base_reg_class.
9757 * reload.c: Include "addresses.h".
9758 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9759 (find_reloads): Use new base_reg_class function.
9760 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9761 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9762 all callers and prototype changed.
9763 * reload1.c: Include "addresses.h".
9764 (maybe_fix_stack_asms): Use base_reg_class.
9765 * regclass.c: Include "addresses.h".
9766 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9767 (init_reg_autoinc): Use new base_reg_class function.
9768 (record_reg_classes): Likewise.
9769 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9770 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9771 Use new args to compute necessary class.
9773 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9774 regrename.o, rtl-factoring.o): Update dependencies.
9775 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9776 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9777 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9778 REG_OK_FOR_INDEX_P): Delete documentation.
9780 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9782 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9783 from V7 to V9 for Solaris 7 and above.
9785 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9787 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9788 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9789 argument pointers may not alias any other storage.
9790 * common.opt: Define option -fargument-noalias-anything.
9791 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9792 alias semantics is specified by flag_argument_noalias > 2.
9794 2006-03-20 Jeff Law <law@redhat.com>
9796 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9797 (pass_phi_only_cprop): Declare.
9798 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9800 * tree-ssa-dom.c (degenerate_phi_result): New function.
9801 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9802 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9803 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9804 (eliminate_degenerate_phis): Likewise.
9805 (pass_phi_only_cprop): New pass descriptor.
9806 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9807 support code. Callers updated.
9808 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9809 (store_copy_prop): Likewise.
9810 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9812 2006-03-20 Jason Merrill <jason@redhat.com>
9815 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9816 (push_visibility, pop_visibility): Likewise.
9817 * c-pragma.h: Declare them.
9819 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9821 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9823 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9824 parameter and use get_ebb_head_tail.
9825 (sh_md_init_global): Adjust uses of find_regmode_weight.
9827 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9829 * function.h (struct function) <x_tail_recursion_reentry>:
9830 Rename to x_stack_check_probe_note.
9831 (tail_recursion_reentry): Rename to stack_check_probe_note.
9832 * function.c: Replace tail_recursion_reentry with
9833 stack_check_probe_note everywhere.
9834 (expand_function_start): Only emit a note for
9835 stack_check_probe_note with -fstack-protect.
9836 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9838 * emit-rtl.c (remove_unnecessary_notes): Remove.
9839 (pass_remove_unnecessary_notes): Remove.
9840 * rtl.h (remove_unnecessary_notes): Remove prototype.
9841 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9842 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9843 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9845 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9848 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9849 (valid_in_set): Handle ARRAY_REF.
9850 Change "if min_variant or VH" to asserts.
9851 (create_component_ref_by_pieces): Handle ARRAY_REF.
9852 (create_expression_by_pieces): Likewise.
9853 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9855 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9857 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9858 is operand of switch, not str[0].
9860 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9862 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9863 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9865 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9867 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9868 end of insn_extra_address_constraint declaration.
9870 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9872 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9873 (no-sum-in-toc): Same.
9874 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9876 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9877 NO_FP_IN_TOC for -fPIC instead of mask.
9879 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9880 (BOOT_LDFLAGS): Delete.
9882 * config/rs6000/t-aix52: Same.
9884 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9885 (stmsi[345678]_power): New.
9887 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9889 * config/ia64/ia64.opt: Add empty line to end of file.
9891 2006-03-17 Richard Guenther <rguenther@suse.de>
9894 * builtins.c (get_pointer_alignment): For component style references
9895 adjust alignment to the component type alignment. Make sure
9896 to adjust alignment for component access of constants.
9898 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9900 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9903 2006-03-17 Paul Brook <paul@codesourcery.com>
9905 * doc/install.texi: Docuemnt --with-mode.
9906 * config.gcc: Add --with-mode for arm*-*-*.
9907 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9909 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9911 * sh.c (max_labelno_before_reorg): New variable.
9912 (sh_reorg): Initialize it.
9913 (find_barrier): Check max_labelno_before_reorg before using
9914 label_to_alignment. Take length of explicit alignment insns
9915 into account. When seeing a UNSPECV_CONST_END, return it.
9917 * sh.c (fixup_mova): Set mode of affected label to QImode.
9918 (untangle_mova): New function.
9919 (find_barrier): Use it. Check mode of label before decrementing
9921 (sh_reorg): Likewise.
9922 Set mode of all insns back to VOIDmode.
9924 * sh.c (MOVA_LABELREF): New macro.
9925 (mova_p, fixup_mova, sh_reorg): Use it.
9926 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9927 ADDR_DIFF_VEC matches mova.
9929 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9931 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9932 with ATTRIBUTE_UNUSED.
9934 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9936 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9937 pointer, instead of assuming it is possible to derive the
9938 correct args size from a call insn.
9940 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9942 * rtl.h (CONST_INT_P): Define.
9943 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9944 instead of GET_CODE(x) == CONST_INT.
9945 (vax_rtx_costs): Likewise.
9946 (vax_output_int_move): Likewise.
9947 (vax_output_int_add): Likewise.
9948 (legitimate_constant_address_p): Likewise.
9949 (index_term_p): Likewise.
9950 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9951 * config/vax/vax.md (and<mode>3): Likewise.
9952 (ashrsi3): Likewise.
9954 (movstricthi): Likewise.
9955 (movstrictqi): Likewise.
9956 (rotrsi3): Likewise.
9957 (five unnamed insns): Likewise.
9959 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9961 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9962 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9963 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9964 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9965 Pass to ASM_OUTPUT_DWARF_OFFSET.
9966 * dwarf2out.c (debug_frame_section): New.
9967 (output_call_frame_info): Use debug_frame_section. Pass it to
9968 dw2_asm_output_offset.
9969 (output_die): Pass appropriate section to dw2_asm_output_offset.
9970 (output_compilation_unit_header): Likewise.
9971 (output_pubnames): Likewise.
9972 (output_aranges): Likewise.
9973 (enum dw_val_class): Break dw_val_class_lbl_offset into
9974 dw_val_class_lineptr and dw_val_class_macptr.
9975 (add_AT_lbl_offset): Delete.
9976 (add_AT_lineptr): New.
9977 (add_AT_macptr): New.
9978 (AT_lbl): Expect a lineptr or macptr.
9979 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9980 (attr_checksum): Likewise.
9981 (same_dw_val_p): Likewise.
9982 (size_of_die): Likewise.
9983 (value_format): Likewise.
9984 (output_die): Likewise.
9985 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9987 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9988 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9989 * config/darwin-protos.h (darwin_file_start): New.
9990 (darwin_asm_output_dwarf_offset): New.
9991 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9992 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9994 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9995 if not EH section; simplify.
9996 (darwin_file_start): New.
9997 (darwin_asm_output_dwarf_offset): New.
9998 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10000 (DEBUG_INFO_SECTION): Likewise.
10001 (DEBUG_ABBREV_SECTION): Likewise.
10002 (DEBUG_ARANGES_SECTION): Likewise.
10003 (DEBUG_MACINFO_SECTION): Likewise.
10004 (DEBUG_LINE_SECTION): Likewise.
10005 (DEBUG_LOC_SECTION): Likewise.
10006 (DEBUG_PUBNAMES_SECTION): Likewise.
10007 (DEBUG_STR_SECTION): Likewise.
10008 (DEBUG_RANGES_SECTION): Likewise.
10009 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10010 (ASM_OUTPUT_DWARF_OFFSET): New.
10012 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10014 * config.gcc (tm_defines): Always add to previous value rather
10017 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10019 * config/mips/predicates.md (splittable_const_int_operand): New,
10020 split from move_operand.
10021 (splittable_symbolic_operand): New.
10022 (move_operand): Add commentary. Use splittable_const_int_operand.
10023 Inline mips_atomic_symbolic_constant_p.
10024 * config/mips/mips.md: Add combine splitters for handling moves
10025 of splittable_const_int_operands and splittable_symbolic_operands.
10026 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10027 (mips_split_symbol): Declare.
10028 (mips_move_integer): Declare.
10029 * config/mips/mips.c (mips_split_p): Make global.
10030 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10031 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10032 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10033 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10034 (mips_offset_within_object_p): Handle block symbols.
10035 (mips_atomic_symbolic_constant_p): Delete.
10036 (mips_cannot_force_const_mem): Return false for constants that
10037 mips_legitimize_move can handle.
10038 (mips_use_blocks_for_constant_p): New function.
10039 (mips_split_symbol): Make global.
10040 (mips_move_integer): Likewise. Add a temporary register argument.
10041 (mips_legitimize_const_move): Use splittable_const_int_operand and
10042 splittable_symbolic_operand.
10043 (mips_use_anchors_for_symbol_p): New function.
10044 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10045 (mips_split_p): Declare.
10047 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10049 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10050 (mips*-*-linux*): Likewise.
10052 2006-03-16 Roger Sayle <roger@eyesopen.com>
10053 Daniel Speyer <dspeyer@wam.umd.edu>
10055 PR middle-end/18259
10056 * tree-dump.c (dump_real): New function.
10057 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10058 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10059 (tree-dump.o): Add $(REAL_H) to the dependencies.
10061 2006-03-16 Roger Sayle <roger@eyesopen.com>
10063 PR middle-end/21781
10064 * real.c (real_from_string): If the mantissa is zero, don't bother
10065 parsing the exponent as the result should always be zero.
10067 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10069 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10071 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10073 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10074 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10075 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10076 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10077 ia64_sched_finish_global): New static functions to implement
10078 hooks from gcc_target.sched.
10079 (spec_check_no, max_uid, pending_data_specs): New static variables.
10080 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10081 ia64_spec_check_src_p): New static functions.
10082 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10083 (TARGET_SCHED_ADJUST_COST): Removed.
10084 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10085 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10086 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10087 TARGET_SCHED_GEN_CHECK,
10088 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10089 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10090 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10091 Fixed to handle speculation checks.
10092 (rtx_needs_barrier): Fixed to handle speculative loads and
10094 (ia64_variable_issue): Added code to count speculative loads and their
10096 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10098 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10100 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10102 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10103 (ia64_reorg): Reset stops_p to NULL after it is freed.
10104 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10105 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10106 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10108 (data_speculative, control_speculative, check_load): New attributes.
10109 (mov<mode>_advanced, mov<mode>_speculative,
10110 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10111 zero_extend<mode>di2_speculative,
10112 zero_extend<mode>di2_speculative_advanced): New patterns for
10113 data and control speculative loads.
10114 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10116 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10117 New pattern for data and control speculation checks.
10118 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10119 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10120 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10121 Auxiliary definitions for the patterns.
10122 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10123 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10125 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10127 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10128 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10129 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10130 New resource constraints.
10131 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10133 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10134 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10135 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10136 msched-in-control-spec, msched-ldc, msched-control-ldc,
10137 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10138 msched-prefer-non-control-spec-insns,
10139 msched-count-spec-in-critical-path): New flags to tune speculative
10141 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10142 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10143 msched-in-control-spec, msched-ldc, msched-control-ldc,
10144 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10145 msched-prefer-non-control-spec-insns,
10146 msched-count-spec-in-critical-path): Document new flags.
10148 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10150 * target.h (struct spec_info_def): New opaque declaration.
10151 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10152 speculate_insn, needs_block_p, gen_check,
10153 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10154 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10155 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10156 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10157 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10158 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10160 (TARGET_SCHED): Use new macros.
10161 * rtl.h (copy_DEPS_LIST_list): New prototype.
10162 * sched-int.h (struct sched_info): Change signature of new_ready field,
10163 adjust all initializations. New fields: add_remove_insn,
10164 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10165 region_head_or_leaf_p.
10166 (struct spec_info_def): New structure declaration.
10167 (spec_info_t): New typedef.
10168 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10169 recovery_block, orig_pat.
10170 (glat_start, glat_end): New variables declaraions.
10171 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10173 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10174 DETACH_LIFE_INFO, USE_GLAT.
10175 (enum SPEC_SCHED_FLAGS): New enumeration.
10176 (NOTE_NOTE_BB_P): New macro.
10177 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10178 attach_life_info, debug_spec_status, check_reg_live): New functions.
10179 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10180 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10182 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10183 * ddg.c (get_block_head_tail): Adjust all uses.
10184 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10185 (sms_sched_info): Initialize new fields.
10186 (contributes_to_priority): Removed.
10187 * haifa-sched.c (params.h): New include.
10188 (get_block_head_tail): Adjust all uses.
10189 (ISSUE_POINTS): New macro.
10190 (glat_start, glat_end): New global variables.
10191 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10192 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10193 old_last_basic_block, before_recovery, current_sched_info_var,
10194 rgn_n_insns, luid): New static variables.
10195 (insn_cost1): New function. Move logic from insn_cost to here.
10196 (find_insn_reg_weight1): New function. Move logic from
10197 find_insn_reg_weight to here.
10198 (reemit_notes, move_insn, max_issue): Change signature.
10199 (move_insn1): Removed.
10200 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10201 extend_bb): New static functions to support extension of scheduler's
10203 (generate_recovery_code, process_insn_depend_be_in_spec,
10204 begin_speculative_block, add_to_speculative_block,
10205 init_before_recovery, create_recovery_block, create_check_block_twin,
10206 fix_recovery_deps): New static functions to support
10207 generation of recovery code.
10208 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10209 restore_bb_notes, move_block_after_check, move_succs): New static
10210 functions to support ebb scheduling.
10211 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10212 functions to support handling of register live information.
10213 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10214 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10215 add_jump_dependencies): New static functions.
10216 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10217 consistancy checking.
10218 (debug_spec_status): New function to call from debugger.
10219 (priority): Added code to handle speculation checks.
10220 (rank_for_schedule): Added code to distinguish speculative instructions.
10221 (schedule_insn): Added code to handle speculation checks.
10222 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10223 Fixed to handle ebbs.
10224 (move_insn): Added code to handle ebb scheduling.
10225 (max_issue): Added code to use ISSUE_POINTS of instructions.
10226 (choose_ready): Added code to choose between speculative and
10227 non-speculative instructions.
10228 (schedule_block): Added code to handle ebb scheduling and scheduling of
10229 speculative instructions.
10230 (sched_init): Initialize new variables.
10231 (sched_finish): Free new variables. Print statistics.
10232 (try_ready): Added code to handle speculative instructions.
10233 * lists.c (copy_DEPS_LIST_list): New function.
10234 * sched-deps.c (extend_dependency_caches): New function. Move logic
10235 from create_dependency_caches to here.
10236 (get_dep_weak, ds_merge): Make global.
10237 * genattr.c (main): Code to output prototype for
10238 dfa_clear_single_insn_cache.
10239 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10240 (output_dfa_clean_insn_cache_func): Code to output
10241 dfa_clear_single_insn_cache function.
10242 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10244 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10246 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10247 New static variables.
10248 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10249 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10251 (ebb_sched_info): Initialize new fields.
10252 (get_block_head_tail): Adjust all uses.
10253 (compute_jump_reg_dependencies): Fixed to use glat_start.
10254 (schedule_ebb): Code to remove unreachable last block.
10255 (schedule_ebbs): Added code to update register live information.
10256 * sched-rgn.c (region_sched_info): Initialize new fields.
10257 (get_block_head_tail): Adjust all uses.
10258 (last_was_jump): Removed. Adjust users.
10259 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10260 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10261 Implement new hooks.
10262 (check_dead_notes1): New static function.
10263 (struct region): New fields: dont_calc_deps, has_real_ebb.
10264 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10265 (BB_TO_BLOCK): Fixed to handle EBBs.
10266 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10267 (ebb_head): New static variable.
10268 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10269 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10271 (compute_dom_prob_ps): New assertion.
10272 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10273 global_live_at_start.
10274 (init_ready_list): New assertions.
10275 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10276 (new_ready): Add support for BEGIN_CONTROL speculation.
10277 (schedule_insns): Fixed code that updates register live information
10279 (schedule_region): Fixed to handle EBBs.
10280 (init_regions): Use extend_regions and check_dead_notes1.
10281 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10282 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10283 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10284 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10285 TARGET_SCHED_GEN_CHECK,
10286 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10287 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10288 * doc/invoke.texi (max-sched-insn-conflict-delay,
10289 sched-spec-prob-cutoff): Document.
10291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10293 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10294 inter_tick, queue_index.
10295 (struct sched_info): Change signature of init_ready_list field.
10296 Adjust all initializations.
10297 (RESOLVED_DEPS): New access macro.
10298 (ready_add): Remove prototype.
10299 (try_ready): Add prototype.
10300 * sched-rgn.c (init_ready_list): Use try_ready.
10301 (schedule_region): Initialize
10302 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10303 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10304 (init_ready_list): Use try_ready.
10305 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10306 * lists.c (remove_list_elem): Remove `static'.
10307 (remove_free_INSN_LIST_elem): New function.
10308 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10309 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10310 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10312 (readyp): New variable.
10313 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10314 change_queue_index, resolve_dep): New static functions.
10315 (try_ready): New function. Adjust callers in sched-rgn.c and
10316 sched-ebb.c to use it instead of ready_add.
10317 (clock_var): Move at the begining of file.
10318 (rank_for_schedule): Fix typo.
10319 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10320 (ready_lastpos): Enforce assertion.
10321 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10322 update all callers.
10323 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10324 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10325 (queue_to_ready): Use free_INSN_LIST_list.
10326 (early_queue_to_ready): Fix typo.
10327 (schedule_block): Init readyp. Move init_ready_list call after the
10328 initialization of clock_var. Fix error in rejecting insn by
10329 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10330 that previously corrected INSN_TICKs. Add code for handling
10332 (set_priorities): Fix typo.
10333 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10334 Clarify comment and code that keeps current_sched_info->next_tail
10337 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10339 * sched-rgn.c (extend_rgns): New static function.
10340 (find_rgns): Use it.
10341 (gather_region_statistics, print_region_statistics): New static
10343 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10344 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10346 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10347 Andrey Belevantsev <abel@ispras.ru>
10349 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10350 * lists.c (unused_deps_list): New variable.
10351 (free_list): Add assertions to verify the proper distinguishing
10352 between INSN_LISTs and DEPS_LISTs.
10353 (find_list_elem, remove_list_elem, remove_list_node): New static
10355 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10356 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10357 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10358 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10360 (free_INSN_LIST_node): Likewise.
10361 * modulo-sched.c (current_sched_info): Initialize flags field.
10362 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10363 * rtl.def (DEPS_LIST): Define.
10364 * rtl.h: Declare new functions from lists.c.
10365 * sched-deps.c (spec_dependency_cache): New static variable.
10366 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10367 (add_dependence): Change return type to void. Move the logic to ...
10368 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10369 (delete_all_dependences): Add comment about forward_dependency_cache.
10370 Handle spec_dependency_cache. Handle DEPS_LISTs.
10371 (fixup_sched_groups): Clarify the change of priority of output
10372 and anti dependencies.
10373 (sched_analyze_2): Adjust add_dependence calls to create data
10374 speculative dependence.
10375 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10376 Adjust all callers. Handle DEPS_LISTS.
10377 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10378 presence of speculation.
10379 (init_dependency_caches, free_dependency_caches):
10380 Handle spec_dependency_cache.
10381 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10382 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10383 New static functions.
10384 (add_or_update_back_dep, add_or_update_back_forw_dep,
10385 add_back_forw_dep, delete_back_forw_dep): New functions.
10386 * sched-int.h (ds_t, dw_t): New typedefs.
10387 (struct sched_info): Add new field flags.
10388 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10389 Prototype new sched-deps.c functions.
10390 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10391 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10392 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10393 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10394 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10395 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10397 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10399 * sched-rgn.c (current_sched_info): Initialize flags field.
10400 (schedule_insns): Initialize current_sched_info before the sched_init
10402 * sched-ebb.c (current_sched_info): Initialize flags field.
10403 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10404 Call add_or_update_back_dep instead of add_dependence.
10405 Create control speculative dependencies.
10406 (schedule_insns): Initialize current_sched_info before the sched_init
10409 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10411 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10413 (sh_fallback_frame_state): Likewise.
10415 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10417 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10418 Do switch on default_use_cxa_atexit.
10419 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10420 * config/darwin-crt3.o: New.
10421 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10422 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10423 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10425 * config/rs6000/t-darwin: Move crt2.o building to here.
10426 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10427 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10430 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10432 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10433 from '! xxx' to '!xxx' for coding-style conformance.
10434 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10435 (EXTRA_CONSTRAINT): Likewise.
10436 * config/vax/vax.md (four unnamed insns): Likewise.
10438 2006-03-15 Paul Brook <paul@codesourcery.com>
10440 * config/arm/arm.c (minipool_pad): New.
10441 (add_minipool_forward_ref): Include pool alignment padding in address
10443 (push_minipool_fix): Set minipool_pad.
10444 (minipool_pad): Ditto.
10446 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10448 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10449 instead of GET_CODE() == MEM and REG_P() instead of
10451 (print_operand_address): Likewise.
10452 (vax_address_cost): Likewise.
10453 (vax_rtx_costs): Likewise.
10454 (vax_notice_update_cc): Likewise.
10455 (vax_output_int_add): Likewise.
10456 (INDEX_REGISTER_P): Likewise.
10457 (BASE_REGISTER_P): Likewise.
10458 (nonindexed_address_p): Likewise.
10459 (vax_mode_dependent_address_p): Likewise.
10460 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10461 (PRINT_OPERAND): Likewise.
10462 * config/vax/vax.md (ashlsi3): Likewise.
10463 (ashlsi3): Likewise.
10464 (some more unnamed insns): Likewise.
10466 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10468 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10469 iterator-style macro.
10470 (mark_control_dependent_edges_necessary): Update the use of
10471 EXECUTE_IF_CONTROL_DEPENDENT.
10473 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10475 * config/sh/predicates.md (cache_address_operand): Special.
10476 (ua_address_operand): Likewise.
10478 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10480 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10482 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10484 2006-03-15 Andreas Schwab <schwab@suse.de>
10486 * gensupport.c (identify_predicable_attribute): Don't free p_false
10487 when it is still in use.
10489 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10491 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10492 the default setting here.
10494 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10496 * tree-pass.h (pass_cfg): Remove.
10497 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10498 * passes.c (pass_cfg): Don't run it.
10500 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10502 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10503 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10505 (stack_regs_mentioned): Update the uses of
10506 stack_regs_mentioned_data. Don't access the array beyond its
10508 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10509 Don't include gt-reg-stack.h.
10511 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10512 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10514 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10516 PR middle-end/26684
10517 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10520 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10522 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10524 2006-03-14 Richard Guenther <rguenther@suse.de>
10526 PR tree-optimization/26672
10527 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10530 2006-03-14 Richard Guenther <rguenther@suse.de>
10532 PR tree-optimization/26667
10533 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10534 node for the callees. Always allow inlining if it will shrink
10537 2006-03-14 Richard Guenther <rguenther@suse.de>
10539 PR middle-end/26659
10540 * builtins.c (get_pointer_alignment): Prefer alignment
10541 information from decls over that from types.
10543 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10546 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10548 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10550 * config/rs6000/rs6000.opt (mdlmzb): New option.
10551 (msched-prolog, msched-epilog): Use Var not Mask.
10552 * doc/invoke.texi (-mdlmzb): Document.
10553 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10555 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10556 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10558 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10560 PR rtl-optimization/25739
10561 * bt-load.c (augment_live_range): Free tos pointer.
10563 * gensupport.c (identify_predicable_attribute): Free
10565 * gcov.c (create_file_names): Free name pointer.
10567 2006-03-13 Roger Sayle <roger@eyesopen.com>
10569 PR middle-end/26557
10570 * stmt.c (emit_case_nodes): Handle the case where the index is a
10571 CONST_INT, where the comparison mode is specified by the index type.
10573 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10575 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10578 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10580 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10581 (*branch_fp_inverted): Likewise.
10583 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10585 PR middle-end/25989
10586 * omp-low.c (expand_omp_for_generic): Mark istart0
10587 and iend0 as addressable.
10589 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10591 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10593 2006-03-13 Jeff Law <law@redhat.com>
10595 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10596 virtual operands are interesting.
10597 (vrp_visit_stmt): Corresponding changes.
10599 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10601 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10603 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10604 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10605 * config/bfin/crti.S: Use it instead of __PIC__.
10606 * config/bfin/crtn.S: Likewise.
10608 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10609 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10611 Lose 'G' modifier for call operand.
10612 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10613 recognize 'G' modifier.
10615 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10617 PR middle-end/18859
10618 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10619 * stmt.c (expand_case): Likewise.
10621 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10623 PR rtl-optimization/26254
10624 * loop-invariant.c (seq_insns_valid_p): New function.
10625 (move_invariant_reg): Only emit new code if it is valid.
10627 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10629 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10631 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10632 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10633 (commit_one_edge_insertion): Do not look for loop notes.
10635 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10637 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10638 flag_test_coverage out of loop.
10640 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10642 * final.c (shorten_branches): Remove outdated comment, and turn
10643 the if branch that guards it to continue.
10645 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10647 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10648 * cfgloop.h (struct loop): Remove unused fields.
10650 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10652 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10653 (-dL, -fdump-rtl-loop2): Update the dump file names
10655 * doc/invoke.texi: Update dump file names.
10657 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10659 * predict.c (estimate_probability): Remove.
10660 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10661 * basic-block.h (estimate_probability): Remove prototype.
10662 * passes.c (finish_optimization_passes): Dump branch prediction or
10663 profiling heuristics to the .profile tree dump.
10664 (init_optimization_passes): Unqueue pass_branch_prob.
10666 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10668 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10670 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10671 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10673 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10675 * function.h (frame_offset_overflow): Declare.
10676 * function.c (frame_offset_overflow): New function.
10677 (assign_stack_local_1): Call it to detect that the offset overflows.
10678 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10680 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10682 * config/sh/sh.c: Include alloc-pool.h.
10683 (label_ref_list_pool): New alloc pool.
10684 (label_ref_list_t): New type for lists of labels.
10685 (struct pool_node): Make wend a label_ref_list_t.
10686 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10688 (dump_table): Likewise.
10689 (sh_reorg): Set up the alloc pool before using add_constant and
10690 dump_table, and destroy it when finishing.
10692 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10694 * config/mips/mips.c: Remove redundant comment.
10696 2006-03-10 Jason Merrill <jason@redhat.com>
10699 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10700 the target was declared 'register'.
10702 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10704 * genpreds.c (write_insn_constraint_len): Change definition of
10705 insn_constraint_len to return size_t to match the declaration.
10707 2006-03-10 DJ Delorie <dj@redhat.com>
10709 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10711 (m32c_expand_insv): Fix test for an AND mask.
10713 2006-03-10 Richard Guenther <rguenther@suse.de>
10715 PR middle-end/26565
10716 * builtins.c (get_pointer_alignment): Handle component
10717 references for field alignment.
10719 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10721 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10722 when building with libgloss.
10723 (sh*elf): Implement --without-fp option.
10724 (sh64-superh-linux*): Don't multilib.
10726 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10728 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10730 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10732 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10733 Set it when one of the replacement functions returned true.
10734 Return TODO_cleanup_cfg if cfgchanged is true.
10735 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10737 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10739 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10740 instead of gen_lowpart.
10742 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10744 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10746 (mips_output_order_conditional_branch): Declare.
10747 * config/mips/mips.h (MIPS_BRANCH): New macro.
10748 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10749 for the comparison. Use gen_condjump.
10750 (mips_output_conditional_branch): Rework interface to take the
10751 asm templates for a direct branch and the inverse of a direct branch.
10752 (mips_output_order_conditional_branch): New function.
10753 (mips_builtin_branch_and_move): New function.
10754 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10755 branch condition. Use gen_single_cc as the condition for
10756 __builtin_mips_upper_* or __builtin_mips_lower_*.
10757 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10758 Use VOIDmode for the branch condition.
10759 * config/mips/predicates.md (order_operator): New predicate.
10760 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10761 (branch_fp): Rename to...
10762 (*branch_fp): ...this. Remove mode from comparison operator.
10763 Use new mips_output_conditional_branch interface.
10764 (branch_fp_inverted): Rename to...
10765 (*branch_fp_inverted): ...this and update as for *branch_fp.
10766 (*branch_zero<mode>): Rename to...
10767 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10768 Use mips_output_order_conditional_branch. Only accept ordered
10770 (*branch_zero<mode>_inverted): Rename to...
10771 (*branch_order<mode>_inverted): ...this and update as for
10772 *branch_order<mode>.
10773 (*branch_equality<mode>): Accept zero as the second operand to
10774 the equality operator. Use the new mips_output_conditional_branch
10776 (*branch_equality<mode>_inverted): Likewise.
10777 (condjump): New expander.
10778 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10780 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10781 (bc1any2t, bc1any2f): Likewise.
10782 (single_cc): New expander.
10783 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10785 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10787 * doc/md.texi: Update documentation of MIPS constraints.
10788 * config/mips/constraints.md: New file.
10789 * config/mips/mips.md: Include it.
10790 * config/mips/mips.c (mips_char_to_class): Delete.
10791 (override_options): Don't initialize mips_char_to_class.
10792 * config/mips/mips.h (mips_char_to_class): Delete.
10793 (REG_CLASS_FROM_LETTER): Delete.
10794 (CONST_OK_FOR_LETTER_P): Delete.
10795 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10796 (EXTRA_CONSTRAINT_Y): Delete.
10797 (EXTRA_CONSTRAINT_STR): Delete.
10798 (CONSTRAINT_LEN): Delete.
10799 (EXTRA_MEMORY_CONSTRAINT): Delete.
10801 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10803 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10804 original fn's eh regions.
10806 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10808 * fold-const.c (build_range_check): Make sure to use a valid type to
10809 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10812 (range_predecessor): New static function.
10813 (range_successor): Likewise.
10814 (merge_ranges): Use them to compute predecessors and successors of
10817 2006-03-09 Roger Sayle <roger@eyesopen.com>
10819 PR middle-end/26561
10820 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10821 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10823 2006-03-08 DJ Delorie <dj@redhat.com>
10825 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10826 (addpsi3): Expand to include memory operands. Remove
10827 reload-specific splits.
10828 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10829 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10830 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10831 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10832 (shift1_qi, shift1_hi, insv): New.
10833 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10834 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10835 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10837 * config/m32c/m32c-protos.h: Update as needed.
10838 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10839 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10840 Fail for unrecognized R* constraints.
10841 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10842 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10843 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10845 (m32c_init_libfuncs): New.
10846 (m32c_legitimate_address_p): Add debug wrapper.
10847 (m32c_rtx_costs): New.
10848 (m32c_address_cost): New.
10849 (conversions): Add 'B' prefix.
10850 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10851 operands, or word regnames for QI operands. 'B' prints bit
10853 (m32c_expand_setmemhi): New.
10854 (m32c_expand_movmemhi): New.
10855 (m32c_expand_movstr): New.
10856 (m32c_expand_cmpstr): New.
10857 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10858 (m32c_expand_neg_mulpsi3): Handle non-ints.
10859 (m32c_cmp_flg_0): New.
10860 (m32c_expand_movcc): New.
10861 (m32c_expand_insv): New.
10862 (m32c_scc_pattern): New.
10863 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10864 a0/a1 out of SIregs.
10865 (STORE_FLAG_VALUE): New.
10866 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10869 * config/m32c/mov.md: Make constraints more liberal.
10870 (zero_extendqihi2): Optimize r0/r1 case.
10871 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10872 * config/m32c/predicates.md (m32c_any_operand): New.
10873 (m32c_nonimmediate_operand): New.
10874 (m32c_hl_operand): New.
10875 (m32c_r3_operand): New.
10878 (memsym_operand): New.
10879 (memimmed_operand): New.
10880 (a_qi_operand): New.
10881 (m32c_eqne_operator): New.
10882 (m32c_1bit8_operand): New.
10883 (m32c_1bit16_operand): New.
10884 (m32c_1mask8_operand): New.
10885 (m32c_1mask16_operand): New.
10886 * config/m32c/blkmov.md: New file.
10887 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10889 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10891 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10892 unsigned to fix signed/unsigned comparison issue in
10893 DWARF2_FRAME_REG_OUT.
10894 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10895 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10897 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10898 of ptr into the ENABLE_CHECKING section.
10900 2006-03-08 Jeff Law <law@redhat.com>
10902 * tree-vrp.c (infer_value_range): Only count pointer uses
10903 and dereferences if -fdelete-null-pointer-checks is enabled.
10905 * tree-vrp.c (find_assert_locations): Infer value ranges for
10906 single use pointers, but do not create ASSERT_EXPRs for them.
10907 When a non-null range is inferred for a pointer, backwards
10908 propagate that range to other equivalent pointers through the
10911 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10914 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10915 language hook targets.
10916 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10917 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10918 if language hook targets were missing.
10920 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10922 * tree-ssa-opfinalize.h: Removed.
10923 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10925 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10926 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10927 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10928 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10929 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10930 finalize_ssa_v_must_def_ops): New.
10932 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10934 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10935 block as parameter.
10937 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10939 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10941 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10942 addresses with offsets; reorganize.
10944 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10945 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10946 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10948 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10951 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10953 2006-03-08 Ben Elliston <bje@au.ibm.com>
10955 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10957 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10960 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10963 2006-03-07 Richard Guenther <rguenther@suse.de>
10965 PR tree-optimization/26587
10966 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10968 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10970 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10972 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10974 * hooks.c (hook_bool_mode_rtx_true): New function.
10975 * hooks.h (hook_bool_mode_rtx_true): Declare.
10976 * toplev.c (compile_file): Call output_shared_constant_pool.
10977 * varasm.c (shared_constant_pool): New variable.
10978 (assemble_start_function, assemble_end_function): Remove arguments
10979 from call to output_constant_pool.
10980 (create_constant_pool): New function, split out from...
10981 (init_varasm_status): ...here.
10982 (force_const_mem): Choose between the shared and per-function constant
10983 pools. Set current_function_uses_const_pool when reusing old entries
10984 as well as when creating new ones.
10985 (mark_constant): Ignore data argument.
10986 (mark_constants): Remove pool argument.
10987 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10988 to decide whether the function uses a constant pool.
10989 (output_constant_pool_contents): New function, split out from...
10990 (output_constant_pool): ...here.
10991 (output_shared_constant_pool): New function.
10992 (init_varasm_once): Initialize shared_constant_pool.
10993 * output.h (output_constant_pool): Delete.
10994 (output_shared_constant_pool): Declare.
10995 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10996 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10998 2006-03-06 Nick Clifton <nickc@redhat.com>
11000 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11001 flag_strength_reduce.
11003 2006-03-06 Ben Elliston <bje@au.ibm.com>
11005 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11006 x86_64-*-linux* configurations.
11008 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11009 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11011 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11013 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11015 * basic-block.h: Remove the extern for
11016 rediscover_loops_after_threading.
11018 * cfgloop.c (cancel_loop): Make it static.
11019 * cfgloop.h: Remove the prototype for cancel_loop.
11021 * flow.c (recompute_reg_usage): Make it static.
11022 * rtl.h: Remove the prototype for recompute_reg_usage.
11024 * function.c (use_return_register): Make it static.
11025 * function.h: Remove the prototype.
11027 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11029 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11031 * recog.h: Remove the prototype for
11032 validate_change_maybe_volatile.
11034 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11036 * rtlanal.c (replace_reg): Remove.
11037 * rtl.h: Remove the prototype for replace_reg.
11039 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11041 * regclass.c (reg_scan_update): Remove.
11042 (reg_scan_mark_refs): Remove the last argument.
11043 * rtl.h: Remove the prototype for reg_scan_update.
11045 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11047 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11048 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11049 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11050 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11051 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11052 loop-invariant.c, omp-low.c, opts.c, passes.c,
11053 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11054 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11055 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11056 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11057 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11058 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11060 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11062 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11063 * dwarf2out.h: Remove the prototype for
11064 dwarf2out_add_library_unit_info.
11066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11068 * tree.c (add_var_to_bind_expr): Remove.
11069 * tree.h: Remove the prototype for add_var_to_bind_expr.
11071 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11073 * regclass.c (n_non_fixed_regs): Remove.
11074 (init_reg_sets_1, globalize_reg): Remove all uses of
11076 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11080 * rtlanal.c (insns_safe_to_move_p): Remove.
11081 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11083 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11085 * expmed.c (expand_mult_add): Remove.
11086 * expr.h: Remove the prototype for expand_mult_add.
11088 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11090 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11091 and REG_SAVED_VAL_EXP constants.
11092 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11093 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11094 Handle regs stored by value.
11095 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11096 (execute_cfa_program): Handle DW_CFA_val_offset,
11097 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11098 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11099 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11100 (uw_install_context_1): Handle target regs stored by value.
11102 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11104 * tree-sra.c (tree_sra): Return todoflags;
11105 (generate_one_element): Set TODO_update_smt_usage if needed.
11106 (pass_sra): Remove TODO_update_smt_usage.
11107 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11109 (tree_ssa_forward_propagate_single_use_vars): Return
11110 TODO_update_smt_usage if we need to update SMT usage.
11111 (pass_forwprop): Remove TODO_update_smt_usage.
11113 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11115 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11116 (correct_use_link): Remove reference to get_stmt_operands.
11117 (update_stmt_operands): Likewise.
11118 (get_modify_expr_operands): New function factored out of
11119 parse_ssa_operands and get_expr_operands.
11120 Try to create V_MUST_DEFs for LHS by default.
11121 (get_expr_operands) <case MODIFY_EXPR>: Call
11122 get_modify_expr_operands.
11123 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11124 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11125 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11126 get_modify_expr_operands.
11128 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11130 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11131 * tree-flow.h: Remove the prototype for
11132 referenced_var_lookup_if_exists.
11134 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11136 PR rtl-optimization/26345
11138 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11140 2006-03-03 Roger Sayle <roger@eyesopen.com>
11142 PR tree-optimization/26524
11143 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11144 fold_convert to create a constant of the appropriate type.
11146 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11148 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11149 SYMBOL_REF_IN_BLOCK_P.
11150 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11151 of SYMBOL_FLAG_IN_BLOCK.
11152 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11153 instead of SYMBOL_REF_IN_BLOCK_P.
11154 * explow.c (use_anchored_address): Likewise.
11155 * rtl.c (rtx_size): Likewise.
11156 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11157 instead of SYMBOL_FLAG_IN_BLOCK.
11158 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11159 SYMBOL_REF_IN_BLOCK_P.
11160 (assemble_variable): Likewise.
11161 (output_constant_def_contents): Likewise.
11162 (output_constant_pool): Likewise.
11163 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11164 instead of SYMBOL_FLAG_IN_BLOCK.
11165 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11166 SYMBOL_REF_IN_BLOCK_P.
11167 (SYMBOL_REF_BLOCK): Likewise.
11168 (SYMBOL_REF_OFFSET): Likewise.
11169 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11170 SYMBOL_REF_IN_BLOCK_P.
11171 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11172 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11173 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11174 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11176 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11178 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11180 2006-03-02 Roger Sayle <roger@eyesopen.com>
11182 * simplify-rtx.c (simplify_unary_operation): When simplifying
11183 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11184 that we perform the right shift in the appropriate mode, and
11185 then extend or truncate the result to requested mode.
11187 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11189 * gengtype.c (main): Handle double_int type.
11190 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11191 * double-int.c: New file.
11192 * double-int.h: New file.
11193 * system.h: Include doubleint.h.
11194 * Makefile.in (SYSTEM_H): Include double-int.h.
11195 (double-int.o): Add.
11197 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11200 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11203 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11205 * tree-vrp.c (remove_range_assertions): Do not update statements
11208 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11210 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11212 * gcse.c (rest_of_handle_gcse): Ditto.
11213 * except.c (gate_handle_eh): Ditto.
11214 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11215 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11217 2006-03-02 Eric Christopher <echristo@apple.com>
11219 * config/i386/i386.c (machopic_output_stub): Add indirection to
11222 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11226 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11228 Sun Niagara specific optimizations.
11229 * config.gcc: Recognize niagara as target.
11230 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11231 (TARGET_CPU_niagara): Define.
11232 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11233 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11234 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11235 (ASM_CPU_SPEC): Likewise.
11236 (PROCESSOR_NIAGARA): New enum entry.
11237 (REGISTER_MOVE_COST): Handle Niagara.
11238 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11239 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11240 (sparc_override_options): Recognize "niagara", set appropriate
11241 default MASK_* values for it, and align functions to 32-bytes
11242 by default just like ULTRASPARC/ULTRASPARC3.
11243 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11244 (sparc64_initialize_trampoline): Likewise.
11245 (sparc_use_sched_lookahead): Use zero for niagara.
11246 (sparc_issue_rate): Use one for niagara.
11247 * config/sparc/niagara.md: New file.
11248 * config/sparc/sparc.md: Include it.
11249 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11250 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11251 when default cpu is niagara.
11252 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11253 (ASM_CPU_SPEC): Likewise.
11254 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11255 when default cpu is niagara.
11256 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11257 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11258 just like v9/ultrasparc/ultrasparc3.
11259 * doc/invoke.texi: Add documentation for "niagara" and improve
11260 existing documentation for ultrasparc variants.
11262 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11264 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11266 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11268 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11269 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11270 and say that only one is needed.
11271 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11272 * target.h (have_switchable_bss_sections): New hook.
11273 * explow.c (use_anchored_address): Check that the symbol is in a block.
11274 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11275 (bss_noswitch_section): New variables.
11276 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11277 (get_noswitch_section): New function.
11278 (get_block_for_section): Allow SECT to be null.
11279 (unlikely_text_section_p): Use SECTION_STYLE.
11280 (bss_initializer_p): New function.
11281 (get_variable_section): Move earlier in file. Take a new argument,
11282 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11283 Return one of the new *_sections in such cases.
11284 (get_block_for_decl): New function, extracting some logic from
11285 use_blocks_for_decl_p.
11286 (change_symbol_section): Remove in favor of...
11287 (change_symbol_block): ...this new function.
11288 (use_blocks_for_decl_p): Remove checks now performed by
11289 get_block_for_decl.
11290 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11291 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11292 (emit_local, emit_bss, emit_common): ...these new functions.
11293 Return true if the alignment was honored.
11294 (emit_tls_common): New function.
11295 (asm_emit_uninitialised): Delete.
11296 (assemble_variable_noswitch): New function, split out from...
11297 (assemble_variable): ...here. Don't make decisions about common
11298 variables here. Globalize all public decls that go into non-common
11299 sections. Check whether SYMBOL_REF_BLOCK is null.
11300 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11301 (output_constant_pool): Likewise.
11302 (init_varasm_once): Initialize the new section variables.
11303 (have_global_bss_p): New function.
11304 (categorize_decl_for_section): Use bss_initializer_p.
11305 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11306 (place_block_symbol): Assert that the symbol must be in a block.
11307 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11308 (TARGET_INITIALIZER): Include it.
11309 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11310 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11311 (SECTION_MACH_DEP): Bump by two.
11312 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11313 (unnamed_section): Mention SECTION_UNNAMED in comment.
11314 (named_section): Likewise SECTION_NAMED.
11315 (noswitch_section_callback): New type.
11316 (noswitch_section): New structure.
11317 (section): Add a noswitch_section alternative.
11318 (SECTION_STYLE): New macro.
11319 (tls_comm_section, comm_section, lcomm_section): Declare.
11320 (bss_noswitch_section, have_global_bss_p): Declare.
11321 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11322 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11324 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11325 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11328 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11330 * tree-vrp.c (execute_vrp): Return value.
11331 * regrename.c (rest_of_handle_regrename): Ditto.
11332 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11333 * tree-complex.c (tree_lower_complex): Ditto.
11334 (tree_lower_complex_O0): Ditto.
11335 * tracer.c (rest_of_handle_tracer): Ditto.
11336 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11337 * postreload.c (rest_of_handle_postreload): Ditto.
11338 * tree-tailcall.c (execute_tail_recursion): Ditto.
11339 (execute_tail_calls): Ditto.
11340 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11341 * tree.h (init_function_for_compilation): Ditto.
11342 * ipa-cp.c (ipcp_driver): Ditto.
11343 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11344 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11345 * final.c (compute_alignments): Ditto.
11346 (rest_of_handle_final): Ditto.
11347 (rest_of_handle_shorten_branches): Ditto.
11348 (rest_of_clean_state): Ditto.
11349 * omp-low.c (execute_expand_omp): Ditto.
11350 (execute_lower_omp): Ditto.
11351 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11352 * ipa-reference.c (static_execute): Ditto.
11353 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11354 * reorg.c (rest_of_handle_delay_slots): Ditto.
11355 (rest_of_handle_machine_reorg): Ditto.
11356 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11357 * flow.c (recompute_reg_usage): Ditto.
11358 (rest_of_handle_remove_death_notes): Ditto.
11359 (rest_of_handle_life): Ditto.
11360 (rest_of_handle_flow2): Ditto.
11361 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11362 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11363 (do_ssa_store_ccp): Ditto.
11364 (execute_fold_all_builtins): Ditto.
11365 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11366 * modulo-sched.c (rest_of_handle_sms): Ditto.
11367 * ipa-pure-const.c (static_execute): Ditto.
11368 * cse.c (rest_of_handle_cse): Ditto.
11369 (rest_of_handle_cse2): Ditto.
11370 * web.c (rest_of_handle_web): Ditto.
11371 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11372 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11373 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11374 * tree-nrv.c (tree_nrv): Ditto.
11375 (execute_return_slot_opt): Ditto.
11376 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11377 (create_structure_vars): Ditto.
11378 * loop-init.c (rtl_loop_init): Ditto.
11379 (rtl_loop_done): Ditto.
11380 (rtl_move_loop_invariants): Ditto.
11381 (rtl_unswitch): Ditto.
11382 (rtl_unroll_and_peel_loops): Ditto.
11383 (rtl_doloop): Ditto.
11384 * gimple-low.c (lower_function_body): Ditto.
11385 (mark_used_blocks): Ditto.
11386 * tree-ssa-sink.c (execute_sink_code): Ditto.
11387 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11388 (cgraph_early_inlining): Ditto.
11389 * global.c (rest_of_handle_global_alloc): Ditto.
11390 * jump.c (cleanup_barriers): Ditto.
11391 (purge_line_number_notes): Ditto.
11392 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11393 (rest_of_handle_if_after_reload): Ditto.
11394 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11395 (tree_ssa_loop_im): Ditto.
11396 (tree_ssa_loop_unswitch): Ditto.
11397 (tree_vectorize): Ditto.
11398 (tree_linear_transform): Ditto.
11399 (tree_ssa_loop_ivcanon): Ditto.
11400 (tree_ssa_empty_loop): Ditto.
11401 (tree_ssa_loop_bounds): Ditto.
11402 (tree_complete_unroll): Ditto.
11403 (tree_ssa_loop_prefetch): Ditto.
11404 (tree_ssa_loop_ivopts): Ditto.
11405 (tree_ssa_loop_done): Ditto.
11406 * predict.c (tree_estimate_probability): Ditto.
11407 * recog.c (split_all_insns_noflow): Ditto.
11408 (rest_of_handle_peephole2): Ditto.
11409 (rest_of_handle_split_all_insns): Ditto.
11410 * tree-eh.c (lower_eh_constructs): Ditto.
11411 * regmove.c (rest_of_handle_regmove): Ditto.
11412 (rest_of_handle_stack_adjustments): Ditto.
11413 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11414 * function.c (instantiate_virtual_regs): Ditto.
11415 (init_function_for_compilation): Ditto.
11416 (rest_of_handle_check_leaf_regs): Ditto.
11417 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11418 (rest_of_handle_gcse): Ditto.
11419 * ipa-type-escape.c (type_escape_execute): Ditto.
11420 * alias.c (rest_of_handle_cfg): Ditto.
11421 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11422 * profile.c (rest_of_handle_branch_prob): Ditto.
11423 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11424 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11425 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11426 * tree-dfa.c (find_referenced_vars): Ditto.
11427 * except.c (set_nothrow_function_flags): Ditto.
11428 (convert_to_eh_region_ranges): Ditto.
11429 (rest_of_handle_eh): Ditto.
11430 * emit-rtl.c (unshare_all_rtl): Ditto.
11431 (remove_unnecessary_notes): Ditto.
11432 * except.h (set_nothrow_function_flags): Ditto.
11433 (convert_to_eh_region_ranges): Ditto.
11434 * cfgexpand.c (tree_expand_cfg): Ditto.
11435 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11436 * tree-ssa-pre.c (do_pre): Ditto.
11437 (execute_fre): Ditto.
11438 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11439 (rest_of_handle_jump2): Ditto.
11440 * tree-sra.c (tree_sra): Ditto.
11441 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11442 (execute_mudflap_function_decls): Ditto.
11443 * tree-ssa-copy.c (do_copy_prop): Ditto.
11444 (do_store_copy_prop): Ditto.
11445 * ipa-prop.h (ipcp_driver): Ditto.
11446 * cfglayout.c (insn_locators_initialize): Ditto.
11447 * tree-ssa-forwprop.c
11448 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11449 * cfglayout.h (insn_locators_initialize): Ditto.
11450 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11451 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11452 (execute_late_warn_uninitialized): Ditto.
11453 * rtl.h (cleanup_barriers): Ditto.
11454 (split_all_insns_noflow): Ditto.
11455 (purge_line_number_notes): Ditto.
11456 (unshare_all_rtl): Ditto.
11457 (remove_unnecessary_notes): Ditto.
11458 (recompute_reg_usage): Ditto.
11459 (variable_tracking_main): Ditto.
11460 * integrate.c (emit_initial_value_sets): Ditto.
11461 * integrate.h (emit_initial_value_sets): Ditto.
11462 * tree-optimize.c (execute_free_datastructures): Ditto
11463 (execute_free_cfg_annotations): Ditto.
11464 (execute_fixup_cfg): Ditto.
11465 (execute_cleanup_cfg_pre_ipa): Ditto.
11466 (execute_cleanup_cfg_post_optimizing): Ditto.
11467 (execute_init_datastructures): Ditto.
11468 * tree-object-size.c (compute_object_sizes): Ditto.
11469 * combine.c (rest_of_handle_combine): Ditto.
11470 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11471 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11472 (rest_of_handle_reorder_blocks): Ditto.
11473 (rest_of_handle_partition_blocks): Ditto.
11474 * var-tracking.c (variable_tracking_main): Ditto.
11475 * tree-profile.c (tree_profiling): Ditto.
11476 * tree-vect-generic.c (expand_vector_operations): Ditto.
11477 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11478 * sched-rgn.c (rest_of_handle_sched): Ditto.
11479 (rest_of_handle_sched2): Ditto.
11480 * basic-block.h (free_bb_insn): Ditto.
11481 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11482 * tree-cfg.c (execute_build_cfg): Ditto.
11483 (remove_useless_stmts): Ditto.
11484 (split_critical_edges): Ditto.
11485 (execute_warn_function_return): Ditto.
11486 (execute_warn_function_noreturn): Ditto.
11487 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11488 * cfgrtl.c (free_bb_for_insn): Ditto.
11489 * passes.c (execute_one_pass): Run additional
11490 todos returned by execute function.
11491 * tree-pass.h (struct tree_opt_pass): Make execute
11494 2006-03-02 Richard Guenther <rguenther@suse.de>
11496 * tree-ssa-alias.c (find_used_portions): Consider taking
11497 the address as making the variable not write-only.
11499 2006-03-02 Nick Clifton <nickc@redhat.com>
11501 * config.gcc (default_use_cxa_atexit): Extend the description of
11502 this configure variable. Set its default value to "yes" for
11503 Linux, NetBSD and ELF targets on the assumption that they will
11504 use C libraries with the __cxa_atexit function.
11506 2006-03-02 Ben Elliston <bje@au.ibm.com>
11508 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11509 parameter as unused to suppress a build warning.
11511 2006-03-02 Ben Elliston <bje@au.ibm.com>
11513 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11516 2006-03-01 Roger Sayle <roger@eyesopen.com>
11519 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11520 declared name, the weak reference name, and the typeof name.
11521 (__gthrw): Avoid expanding the declared name suffix.
11522 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11524 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11526 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11528 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11529 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11530 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11531 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11532 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11533 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11534 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11535 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11536 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11537 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11538 (DW_END_default, DW_END_big, DW_END_little): New.
11539 (DW_END_lo_user, DW_END_hi_user): Define.
11540 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11541 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11542 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11545 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11547 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11549 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11551 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11553 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11555 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11556 to 'symbol_mem_tag'.
11558 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11561 2006-03-01 Roger Sayle <roger@eyesopen.com>
11563 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11565 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11568 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11569 MACHO_DYNAMIC_NO_PIC_P.
11570 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11572 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11575 * config/darwin-protos.h (darwin_asm_output_anchor):
11577 * config/darwin-sections.def (cstring_section):
11578 Add SECTION_MERGE to the flags.
11579 (literal4_section): Likewise.
11580 (literal8_section): Likewise.
11581 (objc_selector_refs_section): Likewise.
11582 (objc_cls_refs_section): Likewise.
11583 * config/darwin.c (darwin_asm_output_anchor): New
11585 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11587 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11589 Fix PR tree-optimization/26443
11590 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11591 to todo and PROP_tmt_usage to properties_destroyed.
11592 * tree-ssa-ccp.c (pass_ccp): Ditto.
11593 (pass_store_ccp): Ditto.
11594 * tree-ssa-dom.c (pass_dominator): Ditto.
11596 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11598 * tree-ssa-operands.c: Cleanup whitespace.
11599 (get_asm_expr_operands): Move before first invocation.
11600 (get_indirect_ref_operands): Likewise.
11601 (get_tmr_operands): Likewise.
11602 (get_call_expr_operands): Likewise.
11603 (append_def): Likewise.
11604 (append_use): Likewise.
11605 (append_v_may_def): Likewise.
11606 (append_v_must_def): Likewise.
11607 (add_call_clobber_ops): Likewise.
11608 (add_call_read_ops): Likewise.
11609 (add_stmt_operand): Likewise.
11610 (add_virtual_operand): Likewise.
11611 (build_ssa_operands): Likewise.
11613 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11615 PR middle-end/26022
11617 PR middle-end/24437
11618 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11619 with a call expr to ...
11620 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11622 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11624 * tree-vrp.c (extract_range_from_assert): Remove special
11625 handling for types with super-types.
11627 2006-03-01 Ben Elliston <bje@au.ibm.com>
11629 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11630 and powerpc64-*-linux* configurations.
11631 * config/t-dfprules: New file.
11633 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11634 Compile dfp-bit.c from the source directory using -DWIDTH and
11635 $DFP_CFLAGS to control the compilation of that file, rather than
11636 generating width-specific versions in the build directory.
11637 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11638 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11640 2006-02-28 Zack Weinberg <zackw@panix.com>
11642 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11645 2006-02-28 Eric Christopher <echristo@apple.com>
11647 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11648 Set up IN_LIBGCC definition of TARGET_64BIT.
11649 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11651 2006-02-28 Roger Sayle <roger@eyesopen.com>
11653 PR middle-end/14752
11654 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11655 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11656 cases via the construction of "expr != 0".
11658 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11660 * alias.c (alias_invariant, alias_invariant_size): Remove.
11661 (record_base_value): Remove.
11662 (memrefs_conflict_p): Don't look at alias_invariant.
11663 (end_alias_analysis): Don't free it.
11664 * alias.h (record_base_value): Remove prototype.
11666 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11667 Adam Nemet <anemet@caviumnetworks.com>
11669 * rtl.h (truncated_to_mode): Declare it.
11670 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11671 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11672 (RTL_HOOKS_INITIALIZER): Include it.
11673 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11674 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11675 reg_truncated_to_mode.
11676 * rtlanal.c (truncated_to_mode): Define it.
11677 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11679 2006-02-28 Jeff Law <law@redhat.com>
11681 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11682 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11683 the range allowed by TYPE_PRECISION.
11685 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11687 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11689 PR tree-optimization/26419
11690 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11693 2006-02-27 Zack Weinberg <zackw@panix.com>
11695 * doc/md.texi: Fix typo in previous change.
11697 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11701 2006-02-27 Zack Weinberg <zackw@panix.com>
11703 * rtl.def (define_constraint, define_register_constraint)
11704 (define_memory_constraint, define_address_constraint): New MD forms.
11705 * gensupport.c (process_rtx): Put define_constraint etc on the
11707 * genpreds.c (process_define_predicate): Adjust comment. Validate
11708 the name, and call validate_exp to validate the expression.
11709 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11710 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11711 all callers changed.
11712 (validate_exp, needs_variable, struct constraint_data)
11713 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11714 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11715 (const_dbl_constraints, constraint_max_namelen)
11716 (have_register_constraints, have_memory_constraints)
11717 (have_address_constraints, have_address_constraints)
11718 (have_extra_constraints, have_const_int_constraints)
11719 (have_const_dbl_constraints, mangle, add_constraint)
11720 (process_define_constraint, process_define_register_constraint)
11721 (write_enum_constraint_num, write_lookup_constraint)
11722 (write_insn_constraint_len, write_regclass_for_constraint)
11723 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11724 (write_insn_extra_memory_constraint)
11725 (write_insn_extra_address_constraint)
11726 (write_satisfies_constraint_fns): New.
11727 (write_tm_preds_h): If we have new-style constraint definitions,
11728 prototype the functions generated from them, and define the
11729 old constraint interface (still used by generic code) in terms of
11731 (write_insn_preds_c): If we have new-style constraint definitions,
11732 generate all relevant functions from those definitions.
11733 (main): Handle define_constraint etc.
11734 * genoutput.c (struct constraint_data, indep_constraints)
11735 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11736 (mdep_constraint_len): New data structures and functions, defined
11737 #ifdef USE_MD_CONSTRAINTS.
11738 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11739 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11740 use new logic to validate operand constraints against constraint
11742 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11744 * defaults.h: If none of the old-style constraint macros are
11745 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11746 old-style macros; and poison REG_CLASS_FROM_LETTER,
11747 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11749 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11750 * doc/md.texi: Document new constraint-definition mechanism and the
11751 C interface it provides. Remove references to old mechanism
11752 elsewhere in the document.
11753 (Machine Constraints): Use pathnames relative to gcc directory,
11754 i.e. config/ARCH/FILE. Change i386 section to refer to
11755 config/i386/predicates.md; update that section to match docstrings.
11756 * doc/tm.texi: Move all documentation of the old constraint-
11757 definition macros to their own section, clearly mark as obsolete.
11759 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11760 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11762 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11763 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11764 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11765 constraint strings.
11766 (splits and peepholes): Use satisfies_constraint_*.
11767 * config/i386/i386.c (memory_address_length)
11768 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11770 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11772 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11773 scalar operation to be put back into the loop.
11775 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11778 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11779 (extract_cie_info): Handle S flag in augmentation string.
11780 (execute_cfa_program): If context->signal_frame, execute also
11781 fs->pc == context->ra instructions.
11782 (uw_frame_state_for): If context->signal_frame, don't subtract one
11783 from context->ra to find FDE.
11784 (uw_update_context_1): Set context->signal_frame to
11786 (_Unwind_GetIPInfo): New function.
11787 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11788 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11790 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11791 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11792 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11793 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11794 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11795 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11796 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11797 x86_64_fallback_frame_state): Set fs->signal_frame.
11798 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11799 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11800 (frob_update_context): Likewise. Workaround missing S flag in
11801 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11802 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11803 Remove the psw_addr + 1 hack.
11805 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11807 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11808 with aggregates here.
11809 (find_func_aliases): Remove code for &<aggregate> from here.
11811 2006-02-26 Roger Sayle <roger@eyesopen.com>
11813 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11814 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11815 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11816 as (X & C) ne/eq 0.
11818 2006-02-26 Roger Sayle <roger@eyesopen.com>
11820 PR middle-end/19983
11821 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11823 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11825 * opts.c (decode_options): Do not handle flag_strength_reduce.
11826 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11827 and OPT_fstrength_reduce.
11828 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11829 flag_prefetch_loop_arrays for being nonzero.
11830 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11832 (fprefetch-loop-arrays-rtl): Removed.
11833 (flag_prefetch_loop_arrays): Do not specify the value.
11835 * doc/passes.texi: Update documentation of loop optimizer
11837 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11838 -frerun-loop-opt): Remove.
11840 2006-02-26 Richard Guenther <rguenther@suse.de>
11842 PR tree-optimization/26421
11843 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11844 in function calls that are ADDR_EXPRs as using the whole structure.
11846 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11848 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11849 * tree-pass.h (pass_loop_optimize): Remove.
11850 * passes.c (pass_loop_optimize): Never run it.
11851 * toplev.c (backend_init): Don't call init_loop.
11852 * opts.c (flag_loop_optimize_set): Remove.
11853 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11854 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11855 the old RTL loop optimizer when profiling enabled.
11856 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11857 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11858 pre-headers for the sake of the old RTL loop optimizer.
11859 * Makefile.in: Remove all references to loop.o.
11861 * doc/invoke.texi: Remove all references to -floop-optimize
11862 and -frerun-loop-opt.
11864 2006-02-26 Zack Weinberg <zackw@panix.com>
11866 * doc/md.texi (Machine Constraints): Refer to all files with paths
11867 relative to gcc directory (i.e. config/CPU/file). Add missing
11868 @table @code ... @end table to M32C subsection.
11870 2006-02-26 Roger Sayle <roger@eyesopen.com>
11872 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11874 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11876 2006-02-26 Roger Sayle <roger@eyesopen.com>
11877 James A. Morrison <phython@gcc.gnu.org>
11879 PR middle-end/21137
11880 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11881 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11882 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11883 signedness of the shift operation.
11885 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11887 PR tree-optimization/26359
11888 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11890 2006-02-25 Roger Sayle <roger@eyesopen.com>
11892 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11893 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11894 as X == 0, and some symmetry related transformations.
11895 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11897 2006-02-25 Roger Sayle <roger@eyesopen.com>
11899 PR middle-end/23673
11900 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11901 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11902 symmetry related transformations. Fold (X^C1) == C2 as
11905 2006-02-25 Juergen Weigert <jw@suse.de>
11906 Richard Guenther <rguenther@suse.de>
11908 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11910 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11912 * combine.c (gen_lowpart_or_truncate): Call
11913 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11915 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11917 * doc/invoke.texi: Move -fopenmp description to "Options for
11919 Remove reference to -lgomp.
11921 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11923 * doc/install.texi: Require GNU tar version 1.14.
11925 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11927 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11928 * doc/invoke.texi (C++ Dialect Options): Document
11929 -fno-use-cxa-get-exception-ptr.
11930 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11931 * configure: Regenerate.
11932 * c.opt (fuse-cxa-get-exception-ptr): New.
11933 * c-opts.c (c_common_handle_option): Handle
11934 OPT_fuse_cxa_get_exception_ptr.
11935 * c-common.c (flag_use_cxa_atexit): Update documentation.
11936 (flag_use_cxa_get_exception_ptr): New.
11937 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11938 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11940 (C_COMMON_OVERRIDE_OPTIONS): New.
11942 2006-02-24 Roger Sayle <roger@eyesopen.com>
11944 PR middle-end/24952
11945 * combine.c (try_combine): Explicitly check whether GET_CODE is
11946 a SET or a CLOBBER, instead on checking that it isn't a USE.
11948 2006-02-24 Roger Sayle <roger@eyesopen.com>
11950 * fold-const.c (fold_comparison): New subroutine of fold_binary
11951 containing transformations common to both the equality and
11952 ordering relational operators, factored out of fold_binary.
11953 (fold_binary): Separate out the equality operators (EQ_EXPR
11954 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11955 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11956 transformations common to both.
11957 (fold_div_compare): Fix latent bugs in the previously unreachable
11958 LT_EXPR and GE_EXPR cases.
11960 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11962 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11963 decl libname for clog to __clog on AIX.
11965 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11967 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11970 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11971 output traceback table for thunks. Localise rs6000_stack_info call.
11973 2006-02-23 Roger Sayle <roger@eyesopen.com>
11974 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11976 * gthr-posix.h (__gthrw): Fix typo in comment.
11978 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11980 * doc/cpp.texi (Character sets): Document that we do support
11981 input files to be in any character set.
11983 2006-02-23 Jeff Law <law@redhat.com>
11985 * tree.h (PHI_ARG_NONZERO): Remove.
11986 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11987 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11988 node to the new node.
11990 PR tree-optimization/26425
11991 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11992 min/max, then assume its varying.
11994 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11996 PR rtl-optimization/26316
11997 * rtlanal.c (enum may_trap_p_flags): New.
11998 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11999 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12000 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12001 (may_trap_after_code_motion_p): New function.
12002 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12003 (find_invariant_insn): Use may_trap_after_code_motion_p.
12004 * rtl.h (may_trap_after_code_motion_p): Declare.
12006 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12008 * emit-rtl.c (immed_double_const): Cleanup.
12010 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12012 Fix PR tree-optimization/26376
12013 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12016 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12018 PR middle-end/26412
12019 * gimplify.c (omp_add_variable): Guard variable size decl test with
12020 DECL_SIZE (decl) check.
12022 2006-02-23 Richard Guenther <rguenther@suse.de>
12024 PR middle-end/26439
12025 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12026 like aggregate types.
12028 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12030 * configure.ac: Add --with{,out}-long-double-128 configure option.
12031 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12032 * configure: Rebuilt.
12033 * config.in: Rebuilt.
12034 * doc/install.texi (Options specification): Document
12035 --with-long-double-128.
12037 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12038 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12039 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12040 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12042 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12044 * config/s390/s390.c (override_options): Handle
12045 TARGET_DEFAULT_LONG_DOUBLE_128.
12047 * config/alpha/alpha.c (override_options): Handle
12048 TARGET_DEFAULT_LONG_DOUBLE_128.
12050 * config/sparc/sparc.c (sparc_override_options): Handle
12051 TARGET_DEFAULT_LONG_DOUBLE_128.
12053 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12055 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12056 (real-install-headers-tar, real-install-headers-cpio)
12057 (real-install-headers-cp): New targets.
12059 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12061 * tree.h (variable_section): Delete.
12062 * varasm.c (variable_section): Delete.
12064 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12066 * install.texi: Add notes on install.texi2html.
12067 (Building in parallel): Do not use footnotes.
12069 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12072 * doc/install.texi (Configuration): Document --disable-libgomp.
12074 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12076 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12078 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12080 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12081 (vec_extractv2df_0_sse): New.
12083 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12085 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12086 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12087 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12088 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12089 to the result of the expression.
12090 (def_cfa_1): Adjust.
12091 (frame_pointer_cfa_offset): Rename to...
12092 (frame_pointer_fb_offset): ... this. Adjust all uses.
12093 (convert_cfa_to_loc_list): Rename to...
12094 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12095 Pass it on to build_cfa_loc.
12096 (compute_frame_pointer_to_cfa_displacement): Rename to...
12097 (compute_frame_pointer_to_fb_displacement): ... this. New
12098 offset parameter. Use it in computation.
12099 (gen_subprogram_die): Compute cfa_fb_offset with the new
12100 macro, and use it to compute the fb loc list and the
12103 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12105 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12106 replaced with register_operand.
12107 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12108 non-DREG is expensive.
12109 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12110 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12113 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12115 * doc/install.texi2html: Use set -e.
12117 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12119 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12120 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12121 * doc/invoke.texi (-fshared-data): Delete.
12122 * common.opt (fshared-data): Delete.
12123 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12124 (assemble_static_space): Remove #if 0 code.
12125 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12126 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12127 * config/cris/cris.h: Remove FIXME.
12129 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12131 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12134 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12136 PR middle-end/26379
12137 * combine.c (simplify_shift_const_1): Disable nested shifts
12138 optimization for vector shifts.
12140 2006-02-20 Roger Sayle <roger@eyesopen.com>
12142 PR tree-optimization/26361
12143 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12144 of unsigned integer types.
12146 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12148 * tree-chrec.c (eq_evolutions_p): New.
12149 * tree-chrec.h (eq_evolutions_p): Declared.
12150 * tree-data-ref.c: Fix formatting.
12151 (datadep_stats, dependence_stats): New.
12153 (print_direction_vector): New.
12154 (dump_data_dependence_relation): Use print_direction_vector.
12155 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12156 (compute_subscript_distance): Static.
12157 (initialize_data_dependence_relation): Static. Get the number
12158 of loops surrounding the references from the callers, and initialize
12159 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12160 base_object_differ_p analyzers.
12161 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12162 compute_overlap_steps_for_affine_1_2,
12163 analyze_subscript_affine_affine): Count the classified dependences.
12164 Print a message when a test failed.
12165 (can_use_analyze_subscript_affine_affine): New.
12166 (analyze_siv_subscript): Compute the data dependences on symbolic
12167 scevs that verify can_use_analyze_subscript_affine_affine.
12168 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12169 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12170 Handle symbolic scevs.
12171 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12173 (subscript_dependence_tester): Moved...
12174 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12175 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12176 DDR_SIZE_VECT instead of getting it in parameter.
12177 (subscript_dependence_tester): ... here. Take as a parameter
12178 loop_nest_depth. Call build_classic_dist_vector and
12179 build_classic_dir_vector.
12180 (compute_affine_dependence): Update subscript_dependence_tester
12181 parameters. Update datadep_stats counters. Call
12182 compute_subscript_distance.
12183 (compute_self_dependence): Save the dist and dir vectors. Call
12184 compute_subscript_distance.
12185 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12186 (compute_all_dependences): Reorder parameters as they were before
12187 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12188 compute_subscript_distance. Update the use of
12189 compute_affine_dependence and initialize_data_dependence_relation.
12190 (find_data_references_in_loop): Handle COMPONENT_REF.
12191 (compute_data_dependences_for_loop): Initialize dependence_stats.
12192 Don't call build_classic_dist_vector and build_classic_dir_vector.
12193 Update the parameters of initialize_data_dependence_relation and
12194 compute_all_dependences. Print the statistics from datadep_stats.
12195 (analyze_all_data_dependences): Static. Not used until the pass for
12196 checking the data dependences is contributed.
12197 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12198 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12199 (initialize_data_dependence_relation, compute_affine_dependence,
12200 analyze_all_data_dependences, compute_subscript_distance): Removed.
12201 (print_direction_vector): New.
12202 * lambda.h (gcd): ... here.
12203 (lambda_vector_gcd): Moved here from gcd_vector.
12204 * lambda-code.c (gcd, gcd_vector): Removed.
12205 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12206 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12208 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12210 * ipa-type-escape.c: Tidy some comments and white space.
12211 * tree-ssa-operands.c: Likewise.
12213 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12216 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12217 (dump_decl_name): Do not walk the decl tree chains.
12218 * tree-pass.h (TDF_CHAIN): Remove.
12220 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12222 * Makefile.in (C): Remove
12224 (.PHONY): Remove C and PROTO
12226 2006-02-20 Roger Sayle <roger@eyesopen.com>
12228 PR middle-end/26236
12229 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12230 deprecated CHAR_TYPE tree code.
12232 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12234 * configure.ac (target_list): Add install-info, dvi, html.
12235 * configure: Regenerate.
12237 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12238 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12239 treelang/Make-lang.in: Do not use double-colon rules.
12241 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12243 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12244 (TMT_USED_ALONE): New macro.
12245 * tree-pass.h (PROP_tmt_usage): New property.
12246 (TODO_update_tmt_usage): New todo.
12247 * tree-ssa-alias.c (updating_used_alone): New variable.
12248 (recalculate_used_alone): New function.
12249 (compute_may_aliases): Set updating_used_alone, call
12250 recalculate_used_alone.
12251 * tree-sra.c (pass_sra): Note that this pass destroys
12252 PROP_tmt_usage, and add TODO_update_tmt_usage.
12253 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12254 * tree-flow.h (updating_used_alone): Prototype.
12255 (recalculate_used_alone): Ditto.
12256 * passes.c (execute_todo): Add code to set updating_used_alone,
12257 and call recalculate.
12258 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12259 for clobber if used alone, and add assert to verify used_alone
12262 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12264 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12265 for non tls symbols added.
12266 (legitimize_address): Do nothing for PLUS expressions if one of the
12267 addends is a tls symbol reference.
12269 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12273 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12275 * Makefile.in (BOOTSTRAPPING): New.
12276 (quickstrap): New definition if BOOTSTRAPPING=yes.
12278 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12279 * configure.ac: Substitute all_selected_languages with the languages
12280 that were configured. For all the other variables except
12281 lang_specs_files, include all the languages in the tree.
12282 * configure: Regenerate.
12284 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12285 if there is one. Run the commands to run fixincludes in the same
12288 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12289 * doc/install.texi: Document exact conventions for searching target tools.
12290 Document --with-build-time-tools. Document toplevel bootstrap. Document
12291 something more about building an Ada cross-compiler. Don't list GNU Make
12292 requirements which affect all platforms.
12294 2006-02-19 Roger Sayle <roger@eyesopen.com>
12296 PR middle-end/19543
12297 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12298 only equivalent if the have both the same mode and precision.
12300 2006-02-20 Ben Elliston <bje@au.ibm.com>
12302 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12304 2006-02-19 Roger Sayle <roger@eyesopen.com>
12305 Steven Bosscher <stevenb.gcc@gmail.com>
12307 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12308 constant pool references to identify stack mode constants.
12309 * rtlanal.c (constant_pool_constant_p): New predicate to check
12310 whether operand is a floating point constant in the pool.
12311 * rtl.h (constant_pool_constant_p): Prototype here.
12312 * loop.c (scan_loop): Avoid hoisting constants from the constant
12313 pool on STACK_REGS targets.
12314 (load_mems): Likewise.
12315 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12316 loads into x87 registers expensive in terms of register pressure.
12318 2006-02-19 Roger Sayle <roger@eyesopen.com>
12320 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12321 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12323 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12325 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12326 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12328 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12330 * doc/invoke.texi: Document -fipa-pta.
12331 * common.opt: Add ipa-pta option.
12332 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12333 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12334 (do_ds_constraint): Ditto.
12335 (get_constraint_for): Only add to referenced_vars if
12336 referenced_vars exists.
12337 (insert_into_field_list): Rewrite to do this unsorted.
12338 (insert_into_field_list_sorted): Rename old insert_into_field_list
12340 (create_function_info_for): Use insert_into_field_list_sorted.
12341 (create_variable_info_for): Rewrite so it uses unsorted version,
12342 since the field list is sorted.
12343 (intra_create_variable_infos): Only add to referenced_vars if
12344 referenced_vars exists.
12345 (ipa_pta_execute): Init heapvars, and delete when done.
12346 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12348 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12350 * doc/install.texi: Add missing `@samp'.
12352 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12354 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12357 2006-02-18 Mark Wielaard <mark@klomp.org>
12359 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12360 who added new 4.1 features, bug fixes and integration support.
12362 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12365 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12366 MEM for ABI_V4 pic.
12368 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12370 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12371 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12372 (copy_insn_1): Likewise. Don't copy each field individually.
12374 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12376 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12377 * rtl.c (rtx_size): Rename variable to...
12378 (rtx_code_size): ...this.
12379 (rtx_size): New function.
12380 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12381 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12383 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12384 * rtl.h (rtx_code_size): New variable.
12385 (rtx_size): Change from a variable to a function.
12386 (RTX_SIZE): Rename to...
12387 (RTX_CODE_SIZE): ...this.
12390 PR tree-optimization/17106
12391 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12392 (Anchored Addresses): New section.
12393 * doc/invoke.texi (-fsection-anchors): Document.
12394 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12395 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12396 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12397 * hooks.c (hook_bool_mode_rtx_false): New function.
12398 * hooks.h (hook_bool_mode_rtx_false): Declare.
12399 * gengtype.c (create_optional_field): New function.
12400 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12401 SYMBOL_REF_IN_BLOCK_P is true.
12402 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12403 (min_anchor_offset, max_anchor_offset): Likewise.
12404 (use_anchors_for_symbol_p): New hook.
12405 * toplev.c (compile_file): Call output_object_blocks.
12406 (target_supports_section_anchors_p): New function.
12407 (process_options): Check that -fsection-anchors is only used on
12408 targets that support it and when -funit-at-a-time is in effect.
12409 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12410 if the decl doesn't have one.
12411 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12412 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12413 of force_const_mem through use_anchored_address.
12414 (expand_expr_constant): New function.
12415 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12416 calling expand_expr for INDIRECT_REF.
12417 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12418 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12419 * expr.h (use_anchored_address): Declare.
12420 * loop-unroll.c: Don't declare rtx vectors here.
12421 * explow.c: Include output.h.
12422 (validize_mem): Call use_anchored_address.
12423 (use_anchored_address): New function.
12424 * common.opt (-fsection-anchors): New switch.
12425 * varasm.c (object_block_htab, anchor_labelno): New variables.
12426 (hash_section, object_block_entry_eq, object_block_entry_hash)
12427 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12428 (use_blocks_for_decl_p, change_symbol_section): New functions.
12429 (get_variable_section): New function, split out from assemble_variable.
12430 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12431 use_blocks_for_decl_p say so. Use change_symbol_section if the
12432 symbol has already been created.
12433 (assemble_variable_contents): New function, split out from...
12434 (assemble_variable): ...here. Don't output any code for
12435 block symbols; just pass them to place_block_symbol.
12436 Use get_variable_section and assemble_variable_contents.
12437 (get_constant_alignment, get_constant_section, get_constant_size): New
12438 functions, split from output_constant_def_contents.
12439 (build_constant_desc): Create a block symbol if use_object_blocks_p
12440 says so. Or into SYMBOL_REF_FLAGS.
12441 (assemble_constant_contents): New function, split from...
12442 (output_constant_def_contents): ...here. Don't output any code
12443 for block symbols; just pass them to place_section_symbol.
12444 Use get_constant_section and get_constant_alignment.
12445 (force_const_mem): Create a block symbol if use_object_blocks_p and
12446 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12447 (output_constant_pool_1): Add an explicit alignment argument.
12448 Don't switch sections here.
12449 (output_constant_pool): Adjust call to output_constant_pool_1.
12450 Switch sections here instead. Don't output anything for block symbols;
12451 just pass them to place_block_symbol.
12452 (init_varasm_once): Initialize object_block_htab.
12453 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12454 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12455 (place_block_symbol, get_section_anchor, output_object_block)
12456 (output_object_block_htab, output_object_blocks): New functions.
12457 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12458 (TARGET_ASM_OUT): Include it.
12459 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12460 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12461 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12462 (TARGET_INITIALIZER): Include them.
12463 * rtl.c (rtl_check_failed_block_symbol): New function.
12464 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12465 (block_symbol, object_block): New structures.
12466 (rtx_def): Add a block_symbol field to the union.
12467 (BLOCK_SYMBOL_CHECK): New macro.
12468 (rtl_check_failed_block_symbol): Declare.
12469 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12470 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12471 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12472 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12473 * output.h (output_section_symbols): Declare.
12474 (object_block): Name structure.
12475 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12476 (default_use_anchors_for_symbol_p): Declare.
12477 * Makefile.in (RTL_BASE_H): Add vec.h.
12478 (explow.o): Depend on output.h.
12479 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12480 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12481 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12482 (rs6000_use_blocks_for_constant_p): New function.
12484 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12486 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12488 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12491 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12494 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12496 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12500 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12502 PR middle-end/26334
12503 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12504 instead of DECL_REGISTER.
12506 2006-02-18 Olivier Hainque <hainque@adacore.com>
12509 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12511 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12514 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12515 * opth-gen.awk: Handle Var and InverseMask together.
12516 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12517 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12518 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12519 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12521 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12522 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12523 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12524 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12525 LINUX_DYNAMIC_LINKER): Define.
12526 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12527 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12529 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12530 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12531 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12533 (TARGET_C99_FUNCTIONS): Don't define.
12534 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12535 GLIBC_DYNAMIC_LINKER.
12536 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12537 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12538 GLIBC_DYNAMIC_LINKER64): Define.
12539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12540 LINUX_DYNAMIC_LINKER64.
12541 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12543 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12545 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12547 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12548 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12549 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12551 and LINUX_DYNAMIC_LINKER32.
12552 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12554 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12556 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12558 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12559 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12560 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12561 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12562 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12563 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12564 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12565 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12566 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12567 LINUX_DYNAMIC_LINKER): Define.
12568 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12569 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12570 GLIBC_DYNAMIC_LINKER64): Define.
12571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12572 LINUX_DYNAMIC_LINKER64.
12573 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12574 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12575 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12576 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12577 LINUX_DYNAMIC_LINKER): Define.
12578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12579 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12580 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12581 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12582 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12583 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12584 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12585 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12586 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12587 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12589 * doc/invoke.texi (-muclibc): Remove caveat about supported
12592 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12594 * doc/cpp.texi (__TIMESTAMP__): Document.
12596 2006-02-17 Roger Sayle <roger@eyesopen.com>
12598 PR middle-end/25600
12599 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12600 C is one less than the width of X (and related transformations).
12601 * simplify-rtx.c (simplify_unary_operation_1): Transform
12602 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12603 depending on STORE_FLAG_VALUE, were C is one less then the
12606 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12608 Fix PR tree-optimization/26341
12609 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12610 about NAME_MEMORY_TAG's.
12612 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12615 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12616 with hardware float support, and software float support. Add fcpy
12617 alternative to hardware patterns. Add alternatives to copy between
12618 general and floating-point registers to the 32-bit pattern.
12619 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12620 secondary reload to load a QI or HI mode constant into a floating
12622 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12623 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12625 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12628 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12630 (load_macho_picbase_di): Likewise.
12632 2006-02-16 Jeff Law <law@redhat.com>
12634 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12635 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12636 (ssa_name_nonzero_p): Likewise.
12637 (get_value_range): Return NULL if VRP is not running.
12638 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12639 VRP routines do not discover a range.
12640 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12641 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12642 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12643 (tree_expr_nonnegative_p): Similarly.
12644 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12645 (restore_nonzero_vars_to_original_value): Remove.
12646 (unsafe_associative_fp_binop): Remove.
12647 (tree_ssa_dominator_optimize): Remove initialization and
12648 finalization of nonzero_vars and nonzero_vars_stack.
12649 (dom_opt_initialize_block): No longer push marker on
12650 nonzero_vars_stack.
12651 (dom_opt_finalize_block): No longer call
12652 restore_nonzero_vars_to_original_value.
12653 (record_equivalences_from_phis): No longer look for
12654 nonzero PHI arguments.
12655 (cprop_into_successor_phis): No longer propagate nonzero
12656 property into PHI arguments. Lose unused argument. Caller
12658 (record_equivalences_from_stmt): No longer record nonzero
12659 values for SSA_NAMEs.
12660 (lookup_avail_expr): No longer use nonzero_vars.
12662 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12663 for sizetype when sizetype is unsigned.
12665 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12667 PR rtl-optimization/25603
12668 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12669 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12670 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12671 with new meaning of SETS.
12673 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12678 * config/linux.opt: New file.
12679 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12680 LINUX_DYNAMIC_LINKER): Define.
12681 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12682 * config.gcc (*-*-linux*): Define extra_options.
12683 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12684 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12685 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12686 GLIBC_DYNAMIC_LINKER.
12687 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12688 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12689 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12691 * doc/invoke.texi (GNU/Linux Options): New section.
12693 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12695 * config/sparc/sparc.md (setjmp): Rewrite.
12696 (setjmp_32): Delete.
12697 (setjmp_64): Likewise.
12699 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12701 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12704 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12706 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12709 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12711 PR rtl-optimization/26296
12712 * Makefile.in (loop-invariant.c): Add except.h dependency.
12713 * loop-invariant.c: Include except.h.
12714 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12716 2005-02-16 Paul Brook <paul@codesourcery.com>
12718 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12721 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12723 PR rtl-optimization/25636
12724 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12725 when deciding whether an insn is an initializing insn.
12727 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12729 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12730 (tree_code_size): Ditto.
12731 * tree.h (struct tree_memory_tag): Remove parent_var.
12732 (struct tree_struct_field_tag): New.
12735 (union tree_node): Add sft member.
12736 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12738 (create_sft): Add size and offset argument, set SFT_OFFSET and
12740 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12741 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12742 * tree-flow-inline.h (get_subvar_at): Update for
12743 SFT_OFFSET/SFT_SIZE.
12744 (var_can_have_subvars): Ditto.
12745 (overlap_subvar): Ditto.
12746 * print-tree.c (print_node): Print out interesting things for
12748 * tree-flow.h (struct subvar): Remove offset and size members.
12749 * tree-ssa-operands.c (get_expr_operands): Update for
12750 get_indirect_ref_operands changes.
12751 (get_indirect_ref_operands): Call add_virtual_operand instead of
12752 add_stmt_operand. Only recurse on base var if requested.
12753 (access_can_touch_variable): New function.
12754 (add_stmt_operand): Split virtual operand handling into ...
12755 (add_virtual_operand): Here. Add offset, size, and for_clobber
12756 arguments. Prune alias sets.
12757 (add_call_clobber_ops): Call add_virtual_operand.
12759 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12761 PR middle-end/26300
12762 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12764 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12765 than TREE_CODE as index into omp_clause_num_ops array.
12767 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12769 PR rtl-optimization/26184
12770 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12772 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12773 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12774 must_precede, must_follow and tobe_scheduled.
12777 * opts.c (common_handle_option): Free new_option pointer.
12778 * df-core.c (df_analyze): Free postorder pointer.
12780 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12782 * Makefile.in: Fix the examples about the use of stamps
12784 2006-02-15 Michael Matz <matz@suse.de>
12786 PR middle-end/22275
12788 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12789 influenced by maximum_field_alignment or DECL_PACKED.
12790 (update_alignment_for_field): Ditto.
12791 (place_field): Ditto.
12792 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12795 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12797 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12798 (debug_flow_info): Pass it.
12799 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12800 * bb-reorder.c (reorder_basic_blocks): Likewise.
12801 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12802 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12803 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12804 * gcse.c (gcse_main, bypass_jumps): Likewise.
12805 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12806 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12807 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12808 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12809 * rtl.h (dump_flow_info): Adjust prototype.
12810 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12811 * var-tracking.c (variable_tracking_main): Likewise.
12812 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12813 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12816 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12818 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12821 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12823 PR tree-optimization/26209
12824 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12825 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12827 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12829 2006-02-14 Roger Sayle <roger@eyesopen.com>
12831 PR middle-end/23670
12832 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12833 (X,Y) and the corresponding symmetry related transformations.
12834 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12835 (X,Y) and its symmetry related transformations.
12837 2006-02-14 Roger Sayle <roger@eyesopen.com>
12839 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12842 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12844 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12846 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12849 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12850 support COMDAT group.
12851 * configure: Regenerate.
12853 2006-02-14 Roger Sayle <roger@eyesopen.com>
12855 PR middle-end/26279
12856 PR middle-end/26280
12857 PR middle-end/26283
12858 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12860 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12862 Fix PR tree-optimization/26260
12864 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12866 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12867 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12868 * tree-ssa-structalias.c (create_variable_info_for): Use
12869 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12871 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12873 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12875 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12876 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12877 of the ending condition.
12878 * tree-ssa-loop-manip.c: Include params.h.
12879 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12880 tree_unroll_loop): New functions.
12881 * tree-pass.h (pass_loop_prefetch): Declare.
12882 * loop.c (rest_of_handle_loop_optimize): Test for
12883 -fprefetch-loop-arrays-rtl.
12884 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12885 * timevar.def (TV_TREE_PREFETCH): New timevar.
12886 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12887 pass_loop_prefetch): New.
12888 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12889 (cleanup_tree_cfg_loop): Call scev_reset.
12890 * common.opt (fprefetch-loop-arrays-rtl): Add.
12891 * tree-ssa-loop-prefetch.c: New file.
12892 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12893 (new_temp_expr_table): Initialize expr_vars.
12894 (free_temp_expr_table): Cleanup expr_vars.
12895 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12896 expressions from being merged into one.
12897 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12898 (struct tree_niter_desc): Add control, bound and cmp fields.
12899 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12901 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12902 (tree-cfgcleanup.o): Add SCEV_H dependency.
12903 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12904 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12906 2006-02-14 Richard Guenther <rguenther@suse.de>
12908 PR tree-optimization/26258
12909 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12910 in PHI argument processing.
12912 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12914 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12915 new expression in the requested machine mode.
12917 2006-02-13 Roger Sayle <roger@eyesopen.com>
12919 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12920 directly, instead let do_compare_rtx_and_jump handle this for us.
12921 * expr.c (expand_expr_real_1): Likewise.
12922 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12923 before do_jump_by_parts_greater.
12924 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12925 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12927 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12929 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12931 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12933 PR rtl-optimization/26235
12934 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12935 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12938 2006-02-13 Jeff Law <law@redhat.com>
12940 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12943 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12945 PR middle-end/26092
12946 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12947 twice if decl is a builtin. When trying again, call get_callee_fndecl
12948 first to verify it is still a builtin.
12950 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12952 * dwarf2out.c (base_type_die): Don't add AT_name here.
12953 (subrange_type_die): Don't add AT_name here.
12954 (modified_type_die): Rearrange code flow. Do add AT_name here.
12956 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12958 PR rtl-optimization/26247
12959 PR rtl-optimization/26248
12960 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12962 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12964 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12965 * config/fixtfdi.c: Likewise.
12966 * config/fixunstfdi.c: Likewise.
12967 * config/floatditf.c: Likewise.
12969 2006-02-13 Roger Sayle <roger@eyesopen.com>
12971 PR middle-end/24427
12972 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12973 into (X,C2) if C1 is a subset of the bits of C2. Transform
12974 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12976 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12978 2006-02-13 Josh Conner <jconner@apple.com>
12981 * varasm.c (function_section): Check for section name before
12982 calling select_section on targets that define
12983 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12984 unlikely_text_section instead of hot_function_section if
12985 first_function_block_is_cold.
12987 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12989 PR middle-end/25335
12990 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12992 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12994 PR rtl-optimization/26222
12995 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12996 after tree->rtl expansion.
12997 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12998 before passing it to emit_move_insn.
13000 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13002 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13004 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13005 Clarify documentation.
13006 * c-common.h (warn_write_strings): Remove.
13007 * c-common.c (warn_write_strings): Likewise.
13008 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13011 2006-02-12 Roger Sayle <roger@eyesopen.com>
13013 PR middle-end/25724
13014 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13015 (do_jump_parts_zero_rtx): New function renamed from
13016 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13017 (do_jump_parts_equality_rtx): New function split out from
13018 do_jump_parts_equality. Old implementation renamed as above.
13019 Call do_jump_parts_zero_rtx if either operand is zero.
13020 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13021 do all of the heavy lifting.
13022 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13023 calling either do_jump_by_parts_greater_rtx or
13024 do_jump_by_parts_equality_rtx.
13025 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13026 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13027 moved to do_compare_rtx_and_jump, call it directly.
13028 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13029 mode argument. Call do_compare_rtx_and_jump.
13030 (emit_case_nodes): Update calls to do_jump_if_equal.
13032 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13034 PR rtl-optimization/26225
13035 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13037 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13039 PR rtl-optimization/26232
13040 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13042 2006-02-11 Jason Merrill <jason@redhat.com>
13045 * tree-inline.c (declare_return_variable): Just don't use the
13046 modify target if it's a gimple complex reg and the return slot
13049 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13051 * doc/contrib.texi: Update my entry.
13053 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13055 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13057 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13059 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13062 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13064 * doc/invoke.texi (-floop-optimize2): Removed.
13065 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13066 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13067 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13068 * common.opt (floop-optimize2): Removed.
13069 (fmove-loop-invariants): Enabled by default.
13071 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13073 * tree-if-conv.c (combine_blocks): Free the result of
13074 get_loop_exit_edges.
13076 2006-02-10 Jeff Law <law@redhat.com>
13078 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13080 PR tree-optimization/26213
13081 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13082 loop trying to follow SSA_NAME_VALUE chains.
13084 2006-02-10 Richard Guenther <rguenther@suse.de>
13086 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13087 deal with structures that end in implicitly variable sized arrays.
13089 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13091 PR rtl-optimization/24762
13092 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13095 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13097 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13098 (struct ivopts_data): Add regs_used field.
13099 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13100 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13101 instead of loop_data->regs_used;
13102 (free_loop_data): Do not free aux fields for loops.
13103 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13104 and tree_ssa_iv_optimize_finalize.
13106 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13108 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13110 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13113 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13114 computing the effective result type.
13116 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13118 PR inline-asm/16194
13119 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13120 (tree_overlaps_hard_reg_set): Declare.
13121 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13122 type and signature to match function type expected by walk_tree.
13123 (tree_overlaps_hard_reg_set): New function.
13124 (decl_conflicts_with_clobbers_p): Rename to:
13125 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13126 Use tree_overlaps_hard_reg_set. Changed caller.
13127 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13128 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13129 * cris.c (cris_md_asm_clobbers): Likewise.
13131 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13133 * reload1.c (emit_input_reload_insns): Delete code that tries to
13134 inherit using find_equiv_reg.
13136 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13138 * c-common.h (flag_const_strings): Don't declare.
13139 * c-common.c (flag_const_strings): Remove.
13140 * c.opt (fconst_strings): Remove.
13141 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13142 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13143 (c_common_init_options): Don't set flag_const_strings.
13144 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13146 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13148 * arm.md (tlobits_cbranch): New pattern.
13149 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13150 testing a single bit.
13152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13155 * tree-ssa-pre.c (create_component_ref_by_pieces):
13156 Handle RETURN_DECL like VAR_DECL.
13158 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13160 PR middle-end/26134
13161 * fold-const.c (fold_indirect_ref_1): Fold
13162 "*(foo *)&complexfoo" to "__real__ complexfoo"
13163 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13165 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13167 * tree-flow-inline.h (var_can_have_subvars):
13168 Volatile variables should not have subvariables.
13170 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13173 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13174 multiplying unsigned values.
13177 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13179 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13181 2006-02-08 Jason Merrill <jason@redhat.com>
13184 * tree.def: Elaborate on difference from MODIFY_EXPR.
13185 * doc/c-tree.texi (INIT_EXPR): Likewise.
13186 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13187 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13188 (gimplify_target_expr): Likewise.
13189 (gimplify_cond_expr): Remove target handling.
13190 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13191 (gimplify_expr): Clobber it here.
13192 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13193 Do return slot optimization if we have an INIT_EXPR.
13196 * tree-inline.c (declare_return_variable): Also clear
13197 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13200 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13202 PR middle-end/22439
13203 * gimplify.c (gimplify_one_sizepos): Fix typo.
13205 2006-02-08 Jeff Law <law@redhat.com>
13207 PR tree-optimization/21417
13208 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13209 across a backedge if the control statement at the end of the
13210 block is data dependent on other statements in the same block.
13211 (record_temporary_equivalences_from_stmts): Remove over-conservative
13212 test for threading across backedges.
13214 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13215 control statement, handle all three special cases in the same
13216 manner as they all have the same desired solution. No longer
13217 special case edge flag updating when the post dominator is
13220 2006-02-08 Roger Sayle <roger@eyesopen.com>
13222 * tree.def (CHAR_TYPE): Remove.
13223 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13224 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13225 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13226 (gen_string_type_die): Delete unreachable function.
13228 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13229 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13230 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13231 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13232 * builtins.c (type_to_class): Likewise.
13233 * fold-const.c (fold_convert, build_range_check,
13234 merge_ranges): Likewise.
13235 * expr.c (count_type_elements): Likewise.
13236 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13237 * stor-layout.c (layout_type): Likewise.
13238 * ipa-type-escape.c (type_to_consider): Likewise.
13239 * gimplify.c (omp_firstprivatize_type_sizes,
13240 gimplify_type_sizes): Likewise.
13241 * explow.c (promote_mode): Likewise.
13242 * tree-sra.c (is_sra_scalar_type): Likewise.
13243 * varasm.c (output_constant): Likewise.
13244 * tree-inline.c (remap_type_1): Likewise.
13245 * convert.c (convert_to_pointer, convert_to_real,
13246 convert_to_integer, convert_to_complex): Likewise.
13248 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13250 * df-scan.c (df_def_record_1): A set destination may
13251 be a parallel regardless of mode.
13253 2006-02-08 Roger Sayle <roger@eyesopen.com>
13256 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13257 * config/mips/_tilib.c: Remove.
13258 * config/fixtfdi.c: New libgcc source file.
13259 * config/fixunstfdi.c: New source file.
13260 * config/floatditf.c: New source file.
13261 * config/floatunditf.c: New souce file.
13262 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13263 files above instead of config/mips/_tilib.c.
13264 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13266 2006-02-08 Jeff Law <law@redhat.com>
13268 PR tree-optimization/26169
13269 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13272 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13274 * df.h (DF_REG_SIZE): Return the length of the initialized
13277 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13279 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13280 __muldf3): Return a correctly signed zero.
13282 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13284 * passes.c (register_one_dump_file): Accept the current properties
13285 instead of pass number. Adjust call to dump_register. Remove
13287 (register_dump_files): Now a wrapper around...
13288 (register_dump_files_1): ... this one. Do not modify the pass
13290 (next_pass_1): Cosmetic fix.
13291 (execute_todo): Keep second parameter only. Use curr_properties
13292 instead of fetching it from the pass structure. Check and set
13294 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13295 instead of fetching it from the pass structure. Fix calls to
13296 execute_todo. Update curr_properties and initialize .vcg RTL dump
13297 after running the pass. Reset last_verified.
13298 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13300 (FIRST_AUTO_NUMBERED_DUMP): New.
13301 (dump_register): Remove "num" parameter, assign it within the
13303 (get_dump_file_name): Modify template for dumps.
13304 * tree-dump.h (dump_register): Adjust prototype.
13305 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13306 (PROP_trees): Add PROP_gimple_lomp.
13307 (TODO_set_props): New.
13308 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13309 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13310 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13312 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13314 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13315 (sparc64-*-linux*): Likewise.
13316 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13317 * config/sparc/t-linux: New file.
13318 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13319 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13320 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13321 -m32 -mlong-double-128.
13323 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13324 * config/alpha/t-linux: New file.
13325 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13327 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13328 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13329 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13330 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13331 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13332 (CPP_ARCH32_SPEC): Remove.
13334 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13336 PR tree-optimization/26145
13337 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13340 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13343 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13344 >= 240000 when generating code for SOM runtime.
13345 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13346 to $$dyncall when generating code for SOM runtime..
13348 2006-02-07 Dirk Mueller <dmueller@suse.com>
13351 * doc/invoke.texi (-Wsequence-point): Update documentation
13352 that -Wsequence-point is implemented for C++ as well.
13354 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13356 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13357 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13358 (LIB_SPEC): Likewise.
13359 * doc/invoke.texi (SPARC options): Document -pthread.
13361 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13363 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13366 2006-02-07 Roger Sayle <roger@eyesopen.com>
13368 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13369 Correct comment describing BOOLEAN_TYPE.
13371 2006-02-07 Dirk Mueller <dmueller@suse.com>
13373 * c.opt: C++ frontend supports -Wdiv-by-zero.
13374 * c-opts.c (c_common_handle_option): Remove dead case.
13376 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13378 * configure.ac (TLS assembler check): Do not enable TLS by
13379 default on SPARC/Solaris before version 10.
13380 * configure: Regenerate.
13382 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13384 * doc/invoke.texi (xl-compat): Document conversion and support
13387 2006-02-07 Jeff Law <law@redhat.com>
13389 * tree-vrp.c (find_conditional_asserts): Update comments.
13390 (simplify_stmt_for_jump_threading): New.
13391 (identify_jump_threads, finalize_jump_threads): New.
13392 (vrp_finalize): Call identify_jump_threads.
13393 (execute_vrp): Call finalize_jump_threads.
13394 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13395 (vrp_element, vrp_data, vrp_element_p): Remove.
13396 (vrp_hash_elt, vrp_variables_stack): Remove.
13397 (vrp_hash, vrp_eq, record_range): Remove.
13398 (simplify_cond_and_lookup_avail_expr): Remove.
13399 (extract_range_from_cond): Remove.
13400 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13401 (simplify_stmt_for_jump_threading): New.
13402 (dom_thread_across_edge): New wrapper.
13403 (tree_ssa_dominator_optimize): No longer initialize or
13404 finalize any of the VRP datastructures. Remove iteration
13405 step and simplify as a result of removal of iteration step.
13406 (pass_dominator): Perform a cfg cleanup after DOM.
13407 (dom_opt_finalize_block): Use the new common routines
13408 for threading jumps. Simplify stack management slightly.
13409 No longer need to unwind VRP state.
13410 (record_equivalences_from_incoming_edge): No longer record
13412 (eliminate_redundant_computations): No longer call
13413 simplify_cond_and_lookup_avail_expr.
13414 * tree-flow.h (potentially_threadable_block): Prototype.
13415 (thread_across_edge): Likewise.
13416 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13417 (tree-ssa-threadedge.o): Add dependencies.
13418 * tree-ssa-threadedge.c: New file.
13419 * passes.c (init_optimization_passes): Merge PHIs before
13420 calling VRP. Run VRP again late in the SSA optimization pipeline.
13422 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13424 * df-core.c (df_set_blocks): Do not dereference function pointers.
13425 (df_finish1): Likewise.
13426 (df_hybrid_search_forward): Likewise.
13427 (df_hybrid_search_backward): Likewise.
13428 (df_iterative_dataflow): Likewise.
13429 (df_analyze_problem): Likewise.
13430 (df_compact_blocks): Likewise.
13431 (df_dump): Likewise.
13432 * df-scan.c (df_rescan_blocks): Likewise.
13433 (df_record_entry_block_defs): Likewise.
13435 * genconditions.c (write_conditions): Guard the definition of
13436 'insn_conditions' with the check on GCC version.
13437 (write_writer): Guard the traversal 'insn_conditions' with
13438 the check on GCC version.
13440 2006-02-07 Richard Guenther <rguenther@suse.de>
13444 2006-01-30 Richard Guenther <rguenther@suse.de>
13446 * gimplify.c (gimplify_target_expr): Handle easy cases
13447 without creating a temporary.
13449 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13451 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13452 use of float in probability computations. Use edge probabilities
13453 in place of statically computed probabilities.
13454 (min_spec_prob): New static variable.
13455 (schedule_insns): Initialize it.
13456 (GET_SRC_PROB): Removed.
13457 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13459 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13462 * config/ia64/unwind-ia64.c: Revert last change.
13463 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13464 (INCOMING_FRAME_SP_OFFSET): Define.
13466 2006-02-06 Roger Sayle <roger@eyesopen.com>
13468 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13470 2006-02-07 Ben Elliston <bje@au.ibm.com>
13472 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13473 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13474 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13475 (ix86_return_in_memory): Handle TDmode.
13476 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13477 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13479 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13481 * reorg.c (dbr_schedule): Use dump_file instead of file.
13483 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13486 * config/ia64/predicates.md (extr_len_operand): New predicate.
13487 * config/ia64/ia64.md (extv): Tighten constraints.
13489 (*tbit_and_2): Ditto.
13490 (*tbit_and_3): Ditto.
13491 (*tbit_or_2): Ditto.
13492 (*tbit_or_3): Ditto.
13493 (*bit_zero): Ditto.
13496 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13499 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13501 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13503 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13504 loop_optimizer_init and loop_optimizer_finalize
13505 * tree-ssa-sink.c (execute_sink_code): Ditto.
13506 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13507 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13508 tree_ssa_loop_done): Ditto.
13509 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13510 * sched-ebb.c: Include output.h.
13511 (schedule_ebbs): Do not use dump argument.
13512 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13513 * loop.c (loop_dump_stream): Removed.
13514 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13516 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13517 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13518 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13519 loop_iterations, strength_reduce, record_biv, record_giv,
13520 final_giv_value, check_final_value, check_ext_dependent_givs,
13521 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13522 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13523 dump_file instead of loop_dump_stream.
13524 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13525 argument dump_file.
13526 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13528 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13529 * haifa-sched.c: Include output.h
13530 (schedule_insns, sched_init): Do not use dump argument.
13531 * mode-switching.c (optimize_mode_switching): Ditto.
13532 * modulo-sched.c (stats_file): Removed.
13533 (print_node_sched_params): Do not call argument dump_file.
13534 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13535 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13537 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13539 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13540 rtl_loop_init, rtl_loop_done): Ditto.
13541 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13542 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13544 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13545 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13546 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13547 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13548 * emit-rtl.c (renumber_insns): Ditto.
13549 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13550 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13551 * regclass.c (regclass): Ditto.
13552 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13553 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13554 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13555 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13557 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13558 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13560 * gcse.c (gcse_file, debug_stderr): Removed.
13561 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13562 rest_of_handle_gcse): Do not use dump argument.
13563 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13564 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13565 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13566 compute_code_hoist_vbeinout, compute_code_hoist_data,
13567 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13568 compute_store_table, build_store_vectors, insert_insn_start_bb,
13569 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13570 store_motion): Use dump_file instead of gcse_file.
13571 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13572 * profile.c (profile_dump_file): Removed.
13573 (branch_prob): Use dump_file instead of profile_dump_file.
13574 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13576 * tree-ssa-copy.c (dump_copy_of): Ditto.
13577 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13578 dump file to life_analysis.
13579 * bt-load.c (branch_target_load_optimize): Ditto.
13580 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13582 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13583 regclass, dbr_schedule): Declaration changed.
13584 * sched-int.h (sched_init): Declaration changed.
13585 * tree-profile.c (tree_profile_dump_file): Removed.
13586 (tree_profile_hooks): Removed profile_dump_file hook.
13587 * rtl-profile (rtl_profile_dump_file): Removed.
13588 (rtl_profile_hooks): emoved profile_dump_file hook.
13589 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13591 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13592 * tree-cfg.c (build_tree_cfg): Ditto.
13593 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13594 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13595 Declaration changed.
13596 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13597 life_analysis and schedule_insns.
13598 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13600 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13602 * config/mips/mips.c (mips_reorg): Ditto.
13603 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13606 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13608 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13609 (s390_mangle_fundamental_type): New.
13610 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13613 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13614 (alpha_mangle_fundamental_type): New.
13615 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13618 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13620 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13622 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13623 (sparc_mangle_fundamental_type): New.
13625 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13627 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13628 (s390x-*-linux*): Likewise.
13629 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13630 * config/s390/t-linux: New file.
13632 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13634 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13635 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13637 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13639 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13640 (ANTIC_SAFE_LOADS): New macro.
13641 (find_or_generate_expression): Add prototype.
13642 (set_contains_value): Allow null set for sake of not always having
13643 to allocate ANTIC_SAFE_LOADS.
13644 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13645 Allow COMPONENT_REF too.
13646 (valid_in_set): Allow COMPONENT_REF.
13647 Check ANTIC_SAFE_LOADS too.
13648 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13649 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13651 (can_PRE_operation): Add COMPONENT_REF.
13652 (create_component_ref_by_pieces): New function.
13653 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13654 (insert_aux): Move AGGREGATE_TYPE_P check here.
13655 (compute_avail): Set bb local stmt uids.
13656 (pass_pre): Use TODO_update_ssa_only_virtuals.
13658 2006-02-06 Ben Elliston <bje@au.ibm.com>
13660 * configure.ac: Unconditionally disable decimal float by default.
13661 * configure: Regenerate.
13663 2006-02-06 Ben Elliston <bje@au.ibm.com>
13665 * read-rtl.c (read_name): Terminate reading on EOF.
13667 2006-02-06 Ben Elliston <bje@au.ibm.com>
13669 * dfp.c (decimal_real_arithmetic): Change second argument type
13670 from int to enum tree_code. Do not always return true, but now
13671 return result of any call to decimal_do helper functions.
13672 * dfp.h (decimal_real_arithmetic): Update prototype.
13674 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13676 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13678 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13681 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13684 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13686 * tree-vrp.c (cfg_loops): Removed.
13687 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13688 Use current_loops instead of cfg_loops. Pass flags to
13689 loop_optimizer_init.
13690 * cfgloopmanip.c (fix_loop_structure): Update only available
13692 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13693 loop_optimizer_init.
13694 * modulo-sched.c (build_loops_structure): Removed.
13695 (sms_schedule): Use loop_optimizer_init.
13696 * loop-init.c (loop_optimizer_init): Use flags to determine
13697 which properties of loops to prepare.
13698 (rtl_loop_init): Pass flags to loop_optimizer_init.
13699 * tree-ssa-sink.c (execute_sink_code): Ditto.
13700 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13701 * tree-ssa-pre.c (init_pre): Ditto.
13702 * cfgloop.h (LOOPS_NORMAL): New.
13703 (loop_optimizer_init): Declaration changed.
13705 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13707 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13708 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13710 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13712 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13714 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13715 * pa/t-pa64: Delete quadlib.c rule.
13716 * pa/x-ada: Revert last change.
13717 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13719 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13721 PR rtl-optimization/26087
13722 * rtlanal.c (canonicalize_condition): Do not cross basic block
13725 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13728 * config/ia64/ia64.c: Include debug.h.
13729 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13730 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13731 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13732 (process_epilogue, process_set, process_for_unwind_directive):
13733 Output unwind info only if requested. Add CFA info if requested.
13734 Add new arguments as needed. Adjust callers.
13735 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13737 (DWARF2_FRAME_INFO): Define to zero.
13738 * config/ia64/unwind-ia64.c: Remove code that compensated for
13739 the CFA offset error fixed above.
13740 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13741 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13742 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13743 -funwind-tables and -fexceptions to enable frame info.
13744 (dwarf2out_frame_init): Define initial CFA even if
13745 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13746 DWARF2_UNWIND_INFO is nonzero, not just defined.
13747 (dwarf2out_frame_finish): Output non-EH call frame info only
13748 if DWARF2_FRAME_INFO is nonzero.
13749 (convert_cfa_to_loc_list,
13750 compute_frame_pointer_to_cfa_displacement): Define even if
13751 unwind info is not supported.
13752 (gen_subprogram_die): Use the above unconditionally. Remove
13753 legacy alternate code.
13754 * toplev.c (compile_file): Compile in call to
13755 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13756 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13758 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13759 Jakub Jelinek <jakub@redhat.com>
13761 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13762 IBM extended float format long double as "g" on powerpc*-linux.
13764 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13767 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13768 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13770 2006-02-03 Jason Merrill <jason@redhat.com>
13773 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13775 PR middle-end/25977
13776 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13777 on the return slot if it's an NRV.
13779 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13781 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13782 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13783 rewrite_use): Do not handle USE_OUTER.
13784 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13785 add_iv_outer_candidates, may_replace_final_value,
13786 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13787 (find_interesting_uses_op): Functionality of
13788 find_interesting_uses_outer_or_nonlin moved here.
13789 (find_interesting_uses_outside): Use find_interesting_uses_op.
13791 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13794 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13796 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13797 Ulrich Weigand <uweigand@de.ibm.com>
13800 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13801 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13802 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13803 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13805 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13806 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13807 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13808 Define secondary reloads for TFmode moves.
13809 (constant_modes): Add TFmode.
13810 (NR_C_MODES): Set to 8.
13811 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13813 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13814 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13815 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13816 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13817 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13818 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13819 (FPR mode macro): Add TFmode.
13820 (DSF mode macro): New.
13821 (<de>, <dee> mode attributes): Removed.
13822 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13823 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13824 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13825 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13826 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13827 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13828 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13829 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13830 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13831 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13832 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13833 "*negabs<mode>2", "sqrt<mode>2"):
13834 Changed <de> to <xde>. R constraint replaced by <Rf>.
13835 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13837 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13838 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13839 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13841 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13842 "extenddftf2", "extendsftf2"): New expanders.
13843 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13844 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13845 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13846 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13848 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13849 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13850 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13851 __floatditf): Add a GCC_4.1.0 symbol version tag.
13852 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13855 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13858 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13859 Use targetm.binds_local_p instead of TREE_PUBLIC.
13861 2006-02-02 Roger Sayle <roger@eyesopen.com>
13863 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13864 on INTEGER_TYPEs to indicate that it denotes a character type.
13865 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13866 signed_char_type_node, unsigned_char_type_node and char_type_node.
13867 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13868 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13869 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13871 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13872 Daniel Berlin <dberlin@dberlin.org>
13874 * tree-tailcall.c (arg_needs_copy_p): New function.
13875 (eliminate_tail_call): Use arg_needs_copy_p.
13876 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13877 (add_virtual_phis): New function.
13879 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13881 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13882 #ignore instead of #scratch for %g7 .register directive.
13884 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13886 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13889 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13891 * flow.c (calculate_global_regs_live): Assert that there aren't any
13894 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13896 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13897 what its name says.
13898 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13899 bsi_after_labels iterator.
13900 * tree-if-conv.c (find_phi_replacement_condition,
13901 replace_phi_with_cond_modify_expr): Likewise.
13902 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13903 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13905 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13907 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13909 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13912 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13913 array after growing it.
13915 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13917 PR middle-end/24901
13918 * fold-const.c (fold_checksum_tree): Change type of buf.
13920 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13922 * reload.c (push_secondary_reload): Initialize t_icode.
13924 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13926 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13927 -msoft-float -mlong-double-128 only issue a warning, but don't
13928 swich to DFmode long double.
13930 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13932 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13933 has a constant equivalent, iterate over equivalents for arg0,
13934 calling simplify_relational_operation and if there's a result
13935 cheaper than X, apply fold_rtx and return the result.
13937 2006-02-01 Jan Hubicka <jh@suse.cz>
13939 * opts.c (no_unit_at_a_time_default): New global variable.
13940 (decode_options): Use it.
13941 * opts.h (no_unit_at_a_time_default): Declare.
13943 2006-02-01 Paul Brook <paul@codesourcery.com>
13945 * function.c (assign_parm_setup_reg): Use function argument promotion
13947 * expr.c (expand_expr_real_1): Use function argument promotion rules
13950 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13952 * gcc.c (process_command): Change j to 'unsigned int'.
13954 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13956 PR middle-end/26001
13957 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13958 Use the corrected index for the character
13959 out of the string constant.
13961 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13963 * mode-switching.c (optimize_mode_switching): Fix size
13964 allocated for bb_info[n_entities].
13966 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13968 * gcc.c (main): Correct type that is allocated for
13969 explicit_link_files.
13971 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13973 * config/s390/s390.c (init_alignment_context): Set
13974 ALIAS_SET_MEMORY_BARRIER on the MEM.
13975 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13977 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13979 PR middle-end/25933
13980 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13982 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13985 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13987 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13988 * regrename.c: Ditto.
13989 * tree-ssa-loop-im.c: Ditto.
13990 * tree-dump.c: Ditto.
13991 * tree-complex.c: Ditto.
13992 * genrecog.c: Ditto.
13993 * tree-ssa-threadupdate.c: Ditto.
13995 * java/class.c: Ditto.
13996 * java/jcf-parse.c: Ditto.
13997 * java/resource.c: Ditto.
13998 * java/except.c: Ditto.
13999 * java/jvspec.c: Ditto.
14000 * java/jcf-write.c: Ditto.
14001 * java/jcf-path.c: Ditto.
14002 * java/gjavah.c: Ditto.
14003 * java/zextract.c: Ditto.
14004 * java/jcf-io.c: Ditto.
14005 * java/jcf.h: Ditto.
14006 * java/buffer.c: Ditto.
14007 * java/lang.c: Ditto.
14008 * java/parse-scan.y: Ditto.
14009 * java/lex.c: Ditto.
14010 * java/lex.h: Ditto.
14011 * cfgloopmanip.c: Ditto.
14012 * postreload-gcse.c: Ditto.
14013 * tree-ssa-loop-manip.c: Ditto.
14014 * postreload.c: Ditto.
14015 * tree-ssa-loop-ch.c: Ditto.
14018 * cppspec.c: Ditto.
14019 * diagnostic.c: Ditto.
14021 * genoutput.c: Ditto.
14023 * cfghooks.c: Ditto.
14024 * cfgloopanal.c: Ditto.
14025 * objc/objc-act.c: Ditto.
14027 * genextract.c: Ditto.
14028 * genautomata.c: Ditto.
14029 * pretty-print.c: Ditto.
14030 * genemit.c: Ditto.
14031 * cgraphunit.c: Ditto.
14033 * df-scan.c: Ditto.
14034 * haifa-sched.c: Ditto.
14035 * dominance.c: Ditto.
14037 * tree-ssa-loop-ivopts.c: Ditto.
14038 * df-core.c: Ditto.
14039 * mode-switching.c: Ditto.
14040 * modulo-sched.c: Ditto.
14042 * ipa-pure-const.c: Ditto.
14044 * fix-header.c: Ditto.
14046 * tree-stdarg.c: Ditto.
14047 * ipa-utils.c: Ditto.
14048 * loop-init.c: Ditto.
14049 * ipa-inline.c: Ditto.
14050 * cfganal.c: Ditto.
14052 * alloc-pool.c: Ditto.
14053 * dwarf2out.c: Ditto.
14055 * genattrtab.c: Ditto.
14056 * tree-ssa-loop-ivcanon.c: Ditto.
14057 * predict.c: Ditto.
14058 * timevar.c: Ditto.
14060 * fortran/gfortranspec.c: Ditto.
14061 * regmove.c: Ditto.
14062 * local-alloc.c: Ditto.
14063 * langhooks.c: Ditto.
14064 * function.c: Ditto.
14065 * tree-vectorizer.c: Ditto.
14067 * ipa-type-escape.c: Ditto.
14069 * tree-if-conv.c: Ditto.
14070 * profile.c: Ditto.
14072 * tree-data-ref.c: Ditto.
14073 * loop-unroll.c: Ditto.
14074 * treelang/treetree.c: Ditto.
14076 * bt-load.c: Ditto.
14077 * ggc-common.c: Ditto.
14079 * coverage.c: Ditto.
14081 * tree-cfgcleanup.c: Ditto.
14082 * tree-ssa-pre.c: Ditto.
14083 * cfgcleanup.c: Ditto.
14084 * loop-invariant.c: Ditto.
14085 * loop-iv.c: Ditto.
14086 * ipa-prop.c: Ditto.
14087 * print-tree.c: Ditto.
14088 * conflict.c: Ditto.
14089 * ggc-page.c: Ditto.
14090 * sched-deps.c: Ditto.
14091 * regclass.c: Ditto.
14092 * tree-object-size.c: Ditto.
14093 * combine.c: Ditto.
14094 * bb-reorder.c: Ditto.
14095 * resource.c: Ditto.
14096 * var-tracking.c: Ditto.
14097 * cfgloop.c: Ditto.
14098 * df-problems.c: Ditto.
14099 * reg-stack.c: Ditto.
14101 * gccspec.c: Ditto.
14102 * sched-rgn.c: Ditto.
14103 * tree-ssa-structalias.c: Ditto.
14104 * tree-ssa-reassoc.c: Ditto.
14105 * config/darwin-c.c: Ditto.
14106 * config/darwin.c: Ditto.
14107 * config/arm/arm.c: Ditto.
14109 * collect2.c: Ditto.
14110 * reload1.c: Ditto.
14112 2006-01-31 Nicolas Pitre <nico@cam.org>
14114 * arm.md (smaxsi3): Make aware of smax_m1.
14117 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14119 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14121 2006-01-31 Richard Guenther <rguenther@suse.de>
14123 * doc/invoke.texi (-msselibm): Document.
14124 * target.h (expand_library_builtin): New target hook.
14125 * builtins.c (expand_builtin): Use expand_library_builtin.
14126 (default_expand_library_builtin): New function.
14127 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14128 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14129 (link_gcc_math_spec): Declare.
14130 (static_specs): Add link_gcc_math_spec.
14131 * expr.h (default_expand_library_builtin): Declare.
14132 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14133 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14134 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14135 * config/i386/i386.opt (msselibm): New target option.
14136 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14137 (ix86_init_sse_abi_builtins): New function.
14138 (ix86_expand_library_builtin): Likewise.
14139 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14140 (override_options): Handle error conditions wrt -msselibm.
14141 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14142 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14143 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14146 2006-01-31 Richard Guenther <rguenther@suse.de>
14147 Paolo Bonzini <bonzini@gnu.org>
14149 * doc/install.texi (--disable-libgcc-math): Document.
14151 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14153 * expr.h (expand_normal): new inline function.
14154 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14155 * dojump.c: use it.
14156 * dwarf2out.c: use it.
14159 * expmed.c: use it.
14160 * except.c: use it.
14161 * config/sparc/sparc.c: use it.
14162 * config/i386/i386.c: use it.
14163 * config/rs6000/rs6000.c: use it.
14164 * config/arm/arm.c: use it.
14165 * config/mips/mips.c: use it.
14166 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14168 2006-01-30 Roger Sayle <roger@eyesopen.com>
14170 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14171 argv to the appropriate type.
14173 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14175 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14178 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14181 * config/s390/s390.c (struct machine_function): New flag
14182 decomposed_literal_pool_addresses_ok_p.
14183 (s390_reorg): Set it before final stage of literal pool transforms.
14184 (s390_decompose_address): Only accept displacements of the form
14185 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14187 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14189 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14190 the comparison routine return.
14192 2006-01-30 Michael Matz <matz@suse.de>
14194 * global.c (find_reg): Only evict for global regs.
14195 Take n_refs into account and dump more info.
14197 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14200 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14201 (pragma_trap, pragma_nosave_low_regs): Likewise.
14202 (current_function_anonymous_args): Likewise.
14203 (sh_deferred_function_attributes): New variable.
14204 (sh_deferred_function_attributes_tail): Likewise.
14205 (print_operand): For '@', look up trap_exit attribute.
14206 (calc_live_regs): Look up trapa_handler attribute. For trapa
14207 handlers, save/restore fpscr, but don't do any other
14208 interrupt-specific saves.
14209 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14210 Fix check for partially saved registers to check for SHmedia.
14211 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14212 (sh_output_function_epilogue): Don't clear any of the removed
14214 (sh_insert_attributes): Don't check pragma_interrupt.
14215 Insert deferred attributes. Check that interrupt attribute is
14216 present for other attributes that require its presence.
14217 (sh_attribute_table): Add new attributes trapa_handler and
14219 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14220 Don't check for pragma_interrupt. Don't store argument.
14221 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14222 (sh_deferred_function_attributes): Declare.
14223 (sh_deferred_function_attributes_tail): Likewise.
14224 * sh.md (sp_switch_1): Add operand. Change generator caller.
14225 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14226 (*return_i): Don't use when trap_exit attribute is in effect.
14227 (*return_trapa): New insn pattern.
14228 * sh-c.c: New file.
14229 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14230 setting c_target_objs and cxx_target_objs.
14231 * t-sh: Add rule for sh-c.o.
14233 2006-01-30 Richard Guenther <rguenther@suse.de>
14236 * gimplify.c (gimplify_target_expr): Handle easy cases
14237 without creating a temporary.
14239 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14241 * vec.h (safe_grow): Remove duplicated line.
14243 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14246 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14247 (expand_omp): ... here.
14248 (expand_omp_parallel): Only remove barriers for combined
14249 parallel+workshare constructs.
14251 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14255 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14256 * tree.c (build_qualified_type): Chain the new type to the original
14257 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14258 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14259 (build_pointer_type_for_mode): Only return unqualified types.
14260 (build_reference_type_for_mode): Likewise.
14262 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14264 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14265 * Makefile.in (CXX_COMPAT_WARN): Define.
14266 * configure: Regenerate.
14268 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14271 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14274 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14276 * toplev.c: Fix thinko.
14278 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14279 Marcin Dalecki <martin@dalecki.de>
14281 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14282 (push_srcloc): Use XNEW.
14283 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14285 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14287 * df-core.c (df_set_blocks): Deleted all variable.
14289 2006-01-28 Ian Lance Taylor <ian@airs.com>
14291 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14292 cgraph_output_pending_asms.
14294 2006-01-28 Zack Weinberg <zackw@panix.com>
14296 * c.opt: Add -W(no-)overlength-strings.
14297 * doc/invoke.texi: Document it.
14298 * c-opts.c (c_common_handle_option): -pedantic implies
14299 -Woverlength-strings, if not explicitly disabled already.
14300 (c_common_post_options): -Woverlength-strings defaults to off, and
14301 is always off for C++.
14302 * c-common.c (fix_string_type): Issue warning about strings longer
14303 than is portable only if warn_overlength_strings. Rearrange code
14304 a little for clarity.
14305 * configure.in: Check for -Wno-overlength-strings as well before
14306 enabling -pedantic in stage 1.
14307 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14308 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14310 * genconditions.c (write_header, write_one_condition)
14311 (write_conditions, write_writer): Consolidate very long strings
14312 that were broken up to fit in C89 portable limit. Don't use
14313 printf when fputs will do.
14315 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14317 * combine.c (simplify_comparison <AND>): Check
14318 TRULY_NOOP_TRUNCATION before start using a subreg.
14320 * config/mips/mips.md (*branch_zero<mode>,
14321 *branch_zero<mode>_inverted, *branch_equality<mode>,
14322 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14323 Remove mode check from comparisons.
14325 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14327 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14329 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14331 * expmed.c (const_mult_add_overflow_p): Remove.
14332 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14334 * recog.c (validate_replace_rtx_subexp): Remove.
14335 * recog.h: Remove the prototype for
14336 validate_replace_rtx_subexp.
14338 * integrate.h: Remove the prototype for
14339 copy_decl_for_inlining.
14340 * rtl.h: Remove the prototype for mark_constant_function.
14341 * tree-vectorizer.h: Remove the prototype for
14342 vect_strip_conversion.
14344 * modulo-sched.c (create_partial_schedule,
14345 free_partial_schedule, reset_partial_schedule): Make them
14348 * hooks.c (hook_bool_rtx_int_false): Remove.
14349 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14351 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14353 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14354 and -mlong-double-128 are incompatible.
14355 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14356 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14357 (TARGET_LIBGCC2_CFLAGS): Define.
14358 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14359 (TARGET_LIBGCC2_CFLAGS): Same.
14360 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14362 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14365 * c-typeck.c (build_binary_op): Perform implicit casts of
14366 operands before shortening them.
14368 * cfgloopmanip.c (split_loop_bb): Remove.
14369 * cfgloop.h: Remove the prototype for split_loop_bb.
14371 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14372 * cfgloop.h: Remove the prototype for
14373 flow_loop_outside_edge_p.
14375 * emit-rtl.c (init_virtual_regs): Make it static.
14376 * function.h: Remove the prototype for init_virtual_regs.
14378 * recog.c (peephole2_optimize): Make it static.
14379 * recog.h: Remove the prototype for peephole2_optimize.
14381 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14383 * df-scan.c (df_record_entry_block_defs): Check if
14384 INCOMING_RETURN_ADDR_RTX is defined.
14386 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14387 Kenneth Zadeck <zadeck@naturalbridge.com>
14389 PR rtl-optimization/24762
14390 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14391 * targhooks.c (hook_void_bitmap): New hook prototype.
14392 * targhoohs.h (hook_void_bitmap): Ditto.
14393 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14394 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14395 * target.h (live_on_entry): New function pointer.
14396 * df-scan.c (df_all_hard_regs): Removed.
14397 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14398 (df_scan_free_internal): Added df->entry_block_defs.
14399 (df_scan_alloc): Ditto.
14400 (df_scan_dump): Ditto.
14401 (df_uses_record): Plumbed flag field properly thru calls.
14402 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14403 This part fixes PR24762.
14404 (df_bb_refs_record): Added code to make the frame and arg
14405 pointers live in EH blocks.
14406 (df_refs_record): Added call to df_record_entry_block_defs.
14407 (df_record_entry_block_defs): New function.
14408 * df-core.c: Added comments to describe new artifical defs.
14409 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14410 (entry_block_defs): New field in struct df.
14411 (df_all_hard_regs): Deleted.
14412 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14413 * df-problems.c (df_ru_bb_local_compute_process_def):
14414 Added code to handle artifical defs in the entry to a function.
14415 (df_ru_bb_local_compute): Ditto.
14416 (df_rd_bb_local_compute_process_def): Ditto.
14417 (df_rd_bb_local_compute): Ditto.
14418 (df_lr_bb_local_compute): Ditto.
14419 (df_ur_bb_local_compute): Ditto.
14420 (df_urec_bb_local_compute): Ditto.
14421 (df_chain_create_bb): Ditto.
14422 (df_ur_local_finalize): Removed entry.
14423 (df_urec_init): Ditto.
14424 (df_urec_local_finalize): Ditto.
14425 (df_ri_bb_compute): Added detection of last use of pseudos.
14426 * Makefile.in (df-scan.o): Updated dependencies.
14427 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14428 * config/mips/mips.c (mips_set_live_on_entry): Added.
14429 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14431 * dce.c (marked_insn_p): Added code to handle artifical defs.
14433 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14435 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14437 (_mm_cvtsi128_si64): Likewise.
14438 (_mm_cvtsd_si64): Likewise.
14439 (_mm_cvttsd_si64): Likewise.
14440 (_mm_cvtsi64_sd): Likewise.
14441 (_mm_cvtsi64_si128): Likewise.
14442 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14443 (_mm_cvtsi64_m64): Likewise.
14444 (_m_to_int64): Likewise.
14445 (_mm_cvtm64_si64): Likewise.
14446 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14447 (_mm_cvttss_si64): Likewise.
14448 (_mm_cvtsi64_ss): Likewise.
14449 (_mm_cvtss_f32): Likewise.
14451 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14453 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14454 for pragma redefine_extname.
14456 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14459 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14460 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14461 -mno-minimal-toc to previous content.
14462 (bispecs): Remove goal.
14463 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14464 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14465 compatibility aliases on powerpc-*-*gnu*.
14466 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14467 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14468 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14469 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14470 (ldblspecs): New goal.
14471 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14472 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14474 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14475 L_sf_to_tf or L_df_to_tf is defined.
14477 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14478 Alan Modra <amodra@bigpond.net.au>
14481 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14482 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14483 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14484 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14485 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14486 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14487 (rs6000_override_options): Initialize rs6000_ieeequad.
14488 Initialize TFmode format to ibm_extended_format if not
14490 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14492 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14493 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14494 (function_arg_advance): IBM long double passed in two FPRs, not
14496 (function_arg): IBM long double passed in FPRs.
14497 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14498 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14499 Only multireg GPR aligned.
14500 (rs6000_init_libfuncs): Enable IBM long double functions if not
14502 (rs6000_generate_compare): Use IBM long double compare if not
14504 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14505 (TARGET_IEEEQUAD): Define.
14506 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14507 not TARGET_IEEEQUAD.
14508 * config/rs6000/rs6000.md: Enable TFmode patterns if
14510 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14511 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14512 and -mlong-double-128 are incompatible.
14513 * doc/invoke.texi (-mabi): Collect options together. Add
14514 ibmlongdouble and ieeelongdouble.
14516 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14518 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14520 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14521 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14522 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14523 * rtl.h (rtunion_def): Remove rt_ptr.
14525 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14526 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14527 * config/i386/winnt.c (i386_pe_mark_dllexport)
14528 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14530 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14532 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14534 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14538 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14539 pthread_key_delete. From John David Anglin. gthrw-ify
14540 pthread_getunique_np only if it it's not a macro. Delete
14542 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14543 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14544 __gthread_objc_condition_signal, __gthread_key_delete): Add
14545 "__attribute__ ((__unused__))" to unused arguments.
14546 (__gthread_recursive_mutex_init_function): Add missing return.
14547 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14548 gthr-posix95.h: Use macro-based approach for name redirection
14549 on targets missing weakref.
14551 2006-01-26 Zack Weinberg <zackw@panix.com>
14553 * genconditions.c (write_header): In generated code, #ifdef out
14554 all includes and fake declarations, except includes of bconfig.h
14555 and system.h, unless GCC_VERSION >= 3001. Do not include
14556 gensupport.h in any case.
14557 (write_conditions): Generate a definition of struct c_test. Add
14558 a comment to the generated #endif.
14559 (write_one_condition): Escape backslashes in string too.
14560 (write_writer): Generated code must escape backslashes and quote
14561 marks (but not newlines) in the strings it writes.
14562 * Makefile.in (build/gencondmd.o): Update dependencies.
14564 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14567 * Makefile.in (insn-automata.o): Add header file dependencies.
14568 * genautomata.c: Add includes.
14570 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14573 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14575 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14577 * configure.ac: Expect target tools paths to be passed from the toplevel
14578 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14580 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14582 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14585 * c.opt (Wpointer-sign): Init to -1.
14586 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14587 OPT_pedantic, to 0 otherwise.
14588 * doc/invoke.texi: Update.
14590 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14592 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14593 constants provided by 80387 instructions in the destination mode.
14595 2006-01-26 Richard Guenther <rguenther@suse.de>
14596 Andrew Pinski <pinskia@physics.uc.edu>
14599 partial PR tree-opt/17064
14600 * tree-ssa-structalias.c (intra_create_variable_infos):
14601 Create heap variables for incoming parameters if
14602 flag_argument_noalias > 1.
14603 (find_what_p_points_to): Look through default defs of
14606 2006-01-26 Jeff Law <law@redhat.com>
14609 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14610 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14611 within the VR_RANGE, use the VR_RANGE as the result, not the
14613 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14614 bounds for the type.
14616 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14618 * tree-ssa-alias.c (maybe_create_global_var): Change
14619 subvar walking to an assertion that we don't have subvar'd variables.
14621 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14624 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14625 Use a new variable, inner. PARM_DECLs are always non-weak.
14627 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14629 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14630 --disable-checking.
14632 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14634 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14636 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14638 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14639 (smax_insn, smin_insn, smax_0, smin_0): New.
14641 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14644 * config/cris/cris.c (cris_order_for_addsi3): New function.
14645 * config/cris/cris-protos.h: Prototype it.
14646 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14647 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14648 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14649 (split for "op.S1 [rx=rx+i],ry (swapped)")
14650 (split for "op(s|u).S1 [rx=rx+i],ry")
14651 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14652 Apply cris_order_for_addsi3 when generating addsi3 insns.
14654 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14656 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14657 (TREE_BLOCK): Add call to EXPR_CHECK.
14659 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14662 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14663 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14664 (dump_omp_clauses): ... here.
14665 (dump_generic_node): Handle OMP_CLAUSE.
14666 * tree.c (omp_clause_num_ops): New.
14667 (omp_clause_code_name): New.
14668 (tree_code_size): Handle OMP_CLAUSE.
14669 (tree_size): Likewise.
14670 (make_node): Document handling of OMP_CLAUSE.
14671 (tree_node_structure): Handle OMP_CLAUSE.
14672 (omp_clause_check_failed): New.
14673 (omp_clause_range_check_failed): New.
14674 (omp_clause_operand_check_failed): New.
14675 (build_omp_clause): New.
14676 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14677 * tree.h (enum omp_clause_code): Declare.
14678 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14679 (OMP_CLAUSE_RANGE_CHECK): Define.
14680 (OMP_CLAUSE_ELT_CHECK): Define.
14681 (omp_clause_check_failed): Declare.
14682 (omp_clause_operand_check_failed): Declare.
14683 (omp_clause_range_check_failed): Declare.
14684 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14685 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14686 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14687 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14688 (OMP_CLAUSE_IF_EXPR): Likewise.
14689 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14690 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14691 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14692 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14693 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14694 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14695 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14696 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14697 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14698 (OMP_CLAUSE_CODE): Define.
14699 (OMP_CLAUSE_SET_CODE): Define.
14700 (OMP_CLAUSE_CODE): Define.
14701 (OMP_CLAUSE_OPERAND): Define.
14702 (struct tree_omp_clause): Declare.
14703 (union tree_node): Add field 'omp_clause'.
14704 * treestruct.def (TS_OMP_CLAUSE): Define.
14705 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14706 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14707 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14708 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14709 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14710 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14711 (OMP_CLAUSE): Define.
14712 * print-tree.c (print_node): Handle OMP_CLAUSE.
14713 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14714 * c-typeck.c: Likewise.
14715 * gimplify.c: Likewise.
14716 * c-omp.c: Likewise.
14717 * tree-nested.c: Likewise.
14718 * tree-inline.c: Likewise.
14719 * c-parser.c: Likewise.
14720 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14723 2006-01-25 Roger Sayle <roger@eyesopen.com>
14725 PR rtl-optimization/25703
14726 * combine.c (try_combine): Handle zero_extract and strict_low_part
14727 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14729 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14731 * global.c: Fix comment typos.
14733 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14736 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14737 Use output_addr_const instead of assemble_name.
14739 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14741 * Makefile.in (sched-vis.o): Update dependencies.
14742 * haifa-sched.c (sched_finish): Clear current_sched_info.
14743 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14744 (dump_flow_info): Call it.
14745 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14747 * basic-block.h (dump_bb_info): Declare.
14748 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14749 option, and apply options only for dump files whose TDF_RTL,
14750 TDF_TREE, or TDF_IPA bits match.
14751 * rtl.h: Declare new functions exported from sched-vis.c.
14752 * sched-vis.c: Enable also if scheduling is not used.
14753 (print_value): Print the mode of registers if not inside scheduling.
14754 (print_insn): Make it work outside the scheduler. Beautify the output
14756 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14758 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14760 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14761 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14762 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14763 depending on the value of CONSTANT_POOL_ADDRESS_P.
14764 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14766 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14767 rather than SYMBOL_REF_DECL.
14768 (rtx_constant_pool): Remove const_rtx_sym_htab.
14769 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14770 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14771 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14772 Remove handling of const_rtx_sym_htab.
14773 (find_pool_constant): Delete.
14774 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14775 rather than find_pool_constant.
14776 (get_pool_constant_for_function): Delete.
14777 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14778 find_pool_constant.
14779 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14780 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14781 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14782 (SYMBOL_REF_CONSTANT): New macro.
14783 (get_pool_constant_for_function): Delete.
14784 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14785 rather than SYMBOL_REF_DECL.
14786 (i386_pe_mark_dllimport): Likewise.
14787 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14788 rather than SYMBOL_REF_DECL.
14789 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14790 (machopic_indirect_call_target): Likewise.
14792 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14794 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14796 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14798 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14800 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14802 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14804 2006-01-24 David Daney <ddaney@avtrex.com>
14807 * configure.ac (enable_tls): New enable option.
14808 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14809 * configure: Regenerate.
14810 * doc/install.texi (--enable-tls): Document new option.
14811 (--disable-tls): Ditto.
14813 2006-01-24 Richard Henderson <rth@redehat.com>
14815 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14816 * alias.c (true_dependence): Respect it.
14817 (canon_true_dependence, write_dependence_p): Likewise.
14818 * builtins.c (get_builtin_sync_mem): Set it.
14820 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14822 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14825 2006-01-24 DJ Delorie <dj@redhat.com>
14827 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14828 for storing constants in single-bit bitfields.
14830 2006-01-25 Ben Elliston <bje@au.ibm.com>
14832 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14834 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14837 * tree-ssa-pre.c (phi_translate): Return NULL
14838 for AGGREGATE_TYPE's.
14840 2006-01-24 Zack Weinberg <zackw@panix.com>
14842 * genautomata.c (process_state_for_insn_equiv_partition):
14843 Use xcalloc for insn_arcs_array.
14844 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14845 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14847 2006-01-24 Richard Henderson <rth@redhat.com>
14849 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14850 update all callers.
14852 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14854 PR rtl-optimization/25890
14855 PR rtl-optimization/25905
14856 * combine.c (expand_compound_operation, expand_field_assignment):
14857 Fail if the bitfield's final position is out of bounds.
14859 2006-01-24 Ian Lance Taylor <ian@airs.com>
14861 PR middle-end/25930
14862 * cgraphunit.c (cgraph_output_in_order): Don't clear
14863 cgraph_asm_nodes until after asm strings have been output.
14865 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14867 * fix-header.c (read_scan_file): Add new parameter imultilib when
14868 calling register_include_chains.
14870 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14872 * omp-low.c: Update documentation.
14874 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14875 Daniel Berlin <dberlin@dberlin.org>
14879 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14880 return from the function.
14882 2006-01-22 Zack Weinberg <zackw@panix.com>
14884 * rtl.def (match_code): Add second argument.
14885 * genpreds.c (write_extract_subexp): New function.
14886 (write_match_code): Add path argument. Use write_extract_subexp.
14887 (write_predicate_expr): Pass path to write_match_code.
14888 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14889 not perform a mode test.
14890 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14891 a subexpression does not constrain the top-level code set.
14892 * read-rtl.c (read_rtx_variadic): New function.
14893 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14894 * doc/md.texi: Document new notation.
14895 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14896 (cmpsi_operand): ... here, using new notation.
14898 2006-01-22 Zack Weinberg <zackw@panix.com>
14900 * varray.c: Remove GENERATOR_FILE #ifdefs.
14902 2006-01-22 Zack Weinberg <zackw@panix.com>
14904 * genautomata.c (output_reserved_units_table): Emit nothing if
14905 description->query_units_num is zero. Remove extra blank line.
14906 (output_cpu_unit_reservation_p): Short circuit
14907 if description->query_units_num is zero.
14909 2006-01-22 Zack Weinberg <zackw@panix.com>
14911 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14912 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14913 nor any of the random handful of variables that used to be necessary
14914 when this program was linked with rtlanal.o. Prune set of forward
14915 function declarations.
14916 (struct attr_desc): Remove static_p field.
14917 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14918 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14919 (attr_string): Do not read the character one past the length of
14921 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14922 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14923 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14924 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14925 (make_automaton_attrs): New.
14926 (main): Do not call into genautomata. Call local gen_bypass
14927 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14928 Remove special case for insn_alts.
14929 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14930 varray.h (leftover from previous change). Prune set of forward
14931 function declarations. Remove state_alts fields from all
14932 structures. Remove state_alts_table from struct automaton.
14933 Make everything except main static. Do not maintain num_dfa_decls.
14934 Do not maintain state_alts fields of various structures.
14935 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14936 (add_arc): Remove state_alts argument. All callers updated.
14937 (output_reserved_units_table): Emit #ifdef here...
14938 (output_tables): ...not here. Don't generate state_alts tables.
14939 (expand_automata): Don't generate attributes.
14940 (write_automata): Don't generate state_alts functions.
14941 (main): New function.
14942 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14943 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14944 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14945 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14946 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14947 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14948 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14949 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14951 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14952 * genattrtab.h: Delete file.
14953 * Makefile.in (OBJS-common): Add insn-automata.o.
14954 (insn-automata.o): New rule.
14955 (simple_generated_c): Add insn-automata.c.
14956 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14957 (genprogmd): Add automata.
14958 (build/genattrtab): Needs no extra objects nor libraries.
14959 (build/genautomata): Needs build/vec.o and -lm.
14961 2006-01-22 Zack Weinberg <zackw@panix.com>
14963 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14964 (output_dfa_max_issue_rate, locked_states_num): Delete.
14965 (struct automaton): Add locked_states field.
14966 (output_dead_lock_vect): Save number of locked states in
14967 automaton->locked_states. If it is zero, don't print anything.
14968 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14969 (output_internal_dead_lock_func): Only test the dead_lock_vect
14970 for automata that have locked states.
14971 (output_statistics): Always print the number of locked states for
14972 each automaton. Calculate total number of locked states here.
14973 (write_automata): Don't call output_dfa_max_issue_rate.
14974 * genattrtab.c: Define length_unit_log as a const variable.
14975 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14976 max_insn_queue_index const.
14977 * final.c (length_unit_log): Declare const.
14978 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14980 2006-01-22 Zack Weinberg <zackw@panix.com>
14982 * genautomata.c: Include vec.h, not varray.h.
14983 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14984 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14985 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14986 VEC_* macros operating on appropriately typed vectors, or to
14987 malloced arrays when the size is known in advance. Const-ify
14988 many char* variables and function arguments. No functional changes.
14989 * Makefile.in (build/varray.o): Delete rule.
14990 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14991 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14993 2006-01-22 Zack Weinberg <zackw@panix.com>
14995 * gensupport.c: Define get_insn_name and record_insn_name here.
14996 (read_md_rtx): Call record_insn_name as appropriate.
14997 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14998 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14999 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15001 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15002 (BUILD_VARRAY): Delete.
15003 (genprognormal): Rename genprogmd. Fold in all programs from
15004 genprognoprint; also attrtab.
15005 (build/genattrtab): Just mention genautomata.o and varray.o.
15006 Reorganize a bit, add comments to make the categories clearer.
15008 2006-01-22 Zack Weinberg <zackw@panix.com>
15010 * genconditions.c (condition_table, add_condition): Delete.
15011 (write_conditions): Don't emit n_insn_conditions nor
15012 insn_elision_unavailable. Issue the gcc version #ifdef here,
15013 inside the table, with no #else clause ...
15014 (write_header): ...not here.
15015 (write_writer): New function.
15016 (main): Don't initialize condition_table. Use add_c_test.
15018 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15019 files on the command line.
15020 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15021 Return -1 if there is no entry in the table, don't abort.
15022 (add_c_test, traverse_c_tests): New functions.
15023 * gensupport.h (insn_elision_unavailable, insn_conditions)
15024 (n_insn_conditions): Delete declarations.
15025 (add_c_test, traverse_c_tests): Declare.
15026 * read-rtl.c: Include gensupport.h.
15027 (read_conditions): New function.
15028 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15029 (read_rtx_1): If we get EOF when we were looking for an initial
15030 open paren, return 0. Call read_conditions when appropriate.
15031 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15032 dummy-conditions.o. Eliminate references to insn-conditions.o,
15033 or change them to build/gencondmd.o, as appropriate. Remove
15034 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15035 from $(simple_generated_c). For all files remaining in those
15036 two lists, add insn-conditions.md to the generator command line.
15037 Give insn-constants.h/s-constants their own rules. Add rules
15038 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15039 (build/read-rtl.o): Depend on gensupport.h.
15040 (genprognormal): Include preds.
15041 (genprogearly): Rename genprognoprint; only difference is now that
15042 they don't link with $(BUILD_PRINT).
15043 * dummy-conditions.c: Delete.
15045 2006-01-22 Zack Weinberg <zackw@panix.com>
15047 * genextract.c: Don't include insn-config.h. Do include vec.h.
15048 Declare vectors of int, char, and locstr.
15049 (locstr): New typedef.
15050 (struct extraction): Make all array fields into bare pointers.
15051 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15052 (insn_code_number): Delete.
15053 (accum_extract): New struct.
15054 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15055 (gen_insn): Take insn_code_number as an argument. Use an
15056 accum_extract structure instead of loading data directly into
15057 a struct extraction, and having to know how big it might get.
15058 (walk_rtx): Operate entirely on an accum_extract structure.
15059 (print_path): Avoid unnecessary use of printf.
15060 (print_header): New function, split out of main. Distinguish
15061 more carefully between an unrecognizable insn and an insn that
15062 has the code number of a define_expand.
15063 (main): Pass insn_code_number to gen_insn. Call print_header
15064 only after parsing. Avoid unnecessary use of printf.
15065 * Makefile.in (build/vec.o): New rule.
15066 (build/genextract): Depend on build/vec.o.
15067 (build/genextract.o): Don't depend on insn-config.h.
15069 2006-01-22 Zack Weinberg <zackw@panix.com>
15071 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15072 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15073 practical. Eliminate per-generator-program link rules.
15075 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15077 PR middle-end/24437
15078 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15079 with a call expr to ...
15080 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15082 2006-01-23 Richard Guenther <rguenther@suse.de>
15084 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15085 before make_edge with conditional EDGE_TRUE_VALUE.
15087 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15088 Jan Hubicka <jh@suse.cz>
15089 Richard Guenther <rguenther@suse.de>
15091 PR rtl-optimization/25654
15092 * cfgexpand.c (aggregate_contains_union_type): New function.
15093 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15094 for structure variables that contain a union type.
15096 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15098 * gengtype.c (new_structure): Return the structure.
15099 (create_option): Add an extra "next" argument.
15100 (create_field): New function.
15101 (adjust_field_rtx_def): Use create_option and create_field.
15102 Remove a now-unnecessary call to find_structure.
15103 (adjust_field_tree_def): Likewise.
15104 (note_yacc_type): Remove an unnecessary call to find_structure.
15105 * gengtype.h (new_structure): Return the structure.
15106 (create_option): Add an extra argument.
15107 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15108 (option): Adjust calls to create_option.
15110 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15112 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15114 2006-01-22 Paul Brook <paul@codesourcery.com>
15115 Peter Barada <peter@the-baradas.com>
15117 * config/m68k/m68k.md: Add Coldfire FPU support.
15118 Define FP mode macro and associated attributes.
15119 Use it for float mode patterns.
15120 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15121 (LIBCALL_VALUE): Use m68k_libcall_value.
15122 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15123 (m68k_function_value): Ditto.
15124 (emit_move_sequence): Ditto.
15125 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15126 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15127 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15128 (MULTILIB_EXCEPTIONS): Ditto.
15129 * config/m68k/m68k.opt: Add mcfv4e.
15130 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15131 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15132 (m68k_output_function_prologue): Save ColdFire FPU registers.
15133 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15134 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15135 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15136 ColdFire FPU registers.
15137 (m68k_libcall_value, m68k_function_value): New functions.
15138 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15139 (LIBCALL_VALUE): Use m68k_libcall_value.
15140 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15141 (MASK_COLDFIRE): Add MASK_CFV4E.
15142 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15143 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15144 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15145 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15146 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15147 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15148 * doc/invoke.tex: Document -mcfv4e on m68k.
15150 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15152 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15155 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15158 * c-opts.c (c_common_handle_option): Don't include
15159 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15160 * doc/invoke.texi (C++ Dialect Options): Document that
15161 -Wnon-virtual-dtor is no longer included in -Wall.
15163 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15165 * gcov.c (print_version), gcov-dump.c (print_version),
15166 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15169 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15171 * df-scan.c (problem_SCAN): Added NULL reset function.
15172 (df_scan_reset_blocks): Added code to call reset block function
15173 (df_bb_refs_delete) Fixed comment.
15174 (df_insn_refs_delete): Made tolerant of deleting non existent info
15175 for dataflow problems that need to be reset.
15176 * df-core.c (df_set_blocks): Ditto.
15177 * df.h (struct df_problem): Added reset_fun.
15178 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15179 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15180 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15181 functions to clear out all references to def-use or use-def chains.
15183 2006-01-21 Ben Elliston <bje@au.ibm.com>
15185 * varasm.c (assemble_real): Initialise data array.
15187 2006-01-20 Paul Brook <paul@codesourcery.com>
15189 Merge from csl-arm-branch.
15190 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15191 * config/arm/arm.md (movdi): Force operands[1] to a register
15192 if we have a non-register source.
15193 (*arm_movdi, *movdf_soft_insn): Require that one of the
15194 operands be a register.
15195 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15196 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15198 2006-01-20 DJ Delorie <dj@redhat.com>
15200 * varasm.c (initializer_constant_valid_p): Allow pointers
15201 initialized from integer constants of lesser precision.
15202 (output_constant): Allow non-int-sized pointer modes to be
15203 initialized from integer constants.
15205 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15208 * cppdefault.h (struct default_include): Add multilib flag.
15209 * cppdefault.c (cpp_include_defaults): Set it.
15210 * c.opt (-imultilib): New option.
15211 * c-opts.c (imultilib): New.
15212 (c_common_handle_option): Handle -imultilib.
15213 (c_common_post_options): Likewise.
15214 * c-incpath.c (add_standard_paths, register_include_chains):
15216 * c-incpath.h (register_include_chains): Add extra parameter.
15217 * gcc.c (do_spec_1): Generate -imultilib option.
15218 (The Specs Language): Update %I description.
15219 (process_command): Update copyright notice.
15220 * doc/cppopts.texi (-imultilib): Document.
15221 * doc/invoke.texi (-imultilib): Include in option summary.
15222 (%I): Update specs documentation.
15224 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15226 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15228 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15230 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15233 2006-01-20 Richard Guenther <rguenther@suse.de>
15234 Steven Bosscher <stevenb.gcc@gmail.com>
15236 PR rtl-optimization/24626
15237 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15238 EDGE_TRUE_VALUE if in RTL mode.
15241 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15242 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15244 2006-01-20 Dirk Mueller <dmueller@suse.com>
15247 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15248 instead of a special NOP marker.
15249 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15250 NOP marker handling.
15251 * c-common.h (empty_body_warning): Add forward declaration.
15252 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15253 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15255 2006-01-20 Paul Brook <paul@codesourcery.com>
15257 * Makefile.in (lang_checks): Keep going if mkdir fails.
15259 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15261 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15262 be able to clean out basic block when not necessary.
15263 (df_scan_free): Fixed to properly delete information if df is
15264 unused before calling df_finish.
15265 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15266 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15268 (df_bb_refs_delete): New function.
15269 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15270 * df-core.c (df_set_blocks): Added code to properly clean out
15271 unused blocks if they are not part of the blocks to consider.
15272 Added additional null check.
15273 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15274 be able to clean out basic block when not necessary
15275 * df.h (df_free_bb_function): Ditto.
15276 (df_bb_refs_delete): New function.
15277 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15278 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15279 basic block parameter to be able to clean out basic block when not
15281 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15282 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15283 Fixed to properly delete information if df is unused before
15286 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15288 PR rtl-optimization/25799
15289 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15290 Corrected confluence operator to remove bits from op2 before oring
15291 with op1 rather than removing bits from op1.
15292 (df_ru_transfer_function): Corrected test on wrong bitmap which
15293 caused infinite loop. Both of these problems were introduced in
15294 the dataflow rewrite.
15296 2006-01-19 DJ Delorie <dj@redhat.com>
15298 * reload1.c (find_reload_regs): Note the details of reload
15299 failures in the dump file.
15300 (spill_failure): Likewise.
15302 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15304 * loop-iv.c: Include df.h and hashtab.h.
15305 (enum iv_grd_result): New enum.
15306 (DF_REF_IV, DF_REF_IV_SET): New macros.
15307 (struct biv_entry): New.
15308 (df, bivs): New global variables.
15309 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15310 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15312 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15313 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15314 analyzed_for_bivness_p, record_biv): New functions.
15315 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15316 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15317 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15319 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15321 (iv_number_of_iterations): Use new interface to iv analysis.
15322 * loop-unroll.c: Do not include varray.h.
15323 (analyze_iv_to_split_insn): Use new interface to iv
15325 * loop-unswitch.c (may_unswitch_on): Ditto.
15326 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15328 (df_bb_modify): Realloc tables to the new index.
15329 (df_find_use): New function.
15330 * df.h (df_find_use): Declare.
15331 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15333 * cfgloop.h (struct rtx_iv): Remove analysed field.
15334 (iv_get_reaching_def): Removed.
15335 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15336 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15337 (loop-iv.o): Add df.h and hashtab.h dependency.
15338 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15340 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15343 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15345 (__floatundisf, __floatundidf): Likewise.
15346 * libgcc2.h (IS_IBM_EXTENDED): Define.
15348 2006-01-19 DJ Delorie <dj@redhat.com>
15350 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15352 2006-01-19 Paul Brook <paul@codesourcery.com>
15354 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15355 as nothrow when unwinding tables are disabled.
15357 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15360 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15361 of bit-field" when in system header.
15363 2006-01-19 DJ Delorie <dj@redhat.com>
15365 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15366 the 16 bit shift limit of the m16c.
15368 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15371 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15372 * config/i386/i386.c (output_set_got): Output the label if we have one
15373 for the TARGET_DEEP_BRANCH_PREDICTION case.
15375 2006-01-19 Jan Hubicka <jh@suse.cz>
15376 H.J. Lu <hongjiu.lu@intel.com>
15377 Evandro Menezes <evandro.menezes@amd.com>
15379 * invoke.texi (generic): Document
15381 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15382 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15383 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15384 (x86_use_incdec, x86_pad_returns): New variables
15385 (TARGET_CPU_DEFAULT_generic): New constant
15386 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15387 (enum processor_type): Add generic32 and generic64.
15388 * i386.md (cpu attribute): Add generic32/generic64
15389 (movhi splitter): Behave sanely when both partial_reg_dependency and
15390 partial_reg_stall are set.
15391 (K8 splitters): Enable for generic as well.
15392 * predicates.md (incdec_operand): Use TARGET_INCDEC
15393 (aligned_operand): Avoid memory mismatch stalls.
15394 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15395 * ppro.md: Enable for generic32
15396 * i386.c (generic64_cost, generic32_cost): New.
15397 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15398 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15399 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15400 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15401 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15402 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15403 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15404 x86_accumulate_outgoing_args, x86_prologue_using_move,
15405 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15406 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15407 Enable for generic.
15408 (x86_use_incdec, x86_pad_returns): New.
15409 (override_options): Add generic32 and generic64, translate "generic"
15410 to generic32/generic64 and "i686" to "generic32", refuse
15411 "generic32"/"generic64" as arch target.
15412 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15413 (ix86_reorg): Honor PAD_RETURNS.
15415 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15417 * tree-pretty-print.c (dump_generic_node): Handle
15418 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15419 * cgraph.c (cgraph_expand_queue): Rename from
15420 cgraph_analyze_queue. Update all users.
15421 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15422 cgraph_expand_queue.
15423 (cgraph_expand_all_functions): Likewise.
15424 (cgraph_finalize_pending_functions): Remove. Update callers.
15426 * tree.h (OMP_DIRECTIVE_P): Define.
15427 (OMP_PARALLEL_FN): Define.
15428 (OMP_PARALLEL_DATA_ARG): Define.
15429 (OMP_SECTIONS_SECTIONS): Define.
15430 * tree-pass.h (pass_expand_omp): Declare.
15431 * omp-low.c (struct omp_region): Declare.
15432 (struct omp_context): Remove fields 'parallel_type',
15433 'parallel_start_ix' and 'parallel_start_additional_args'.
15435 (struct omp_for_data): Rename from struct expand_omp_for_data.
15436 (omp_regions): New static variable.
15437 (root_omp_region): New static variable.
15438 (find_omp_clause): Make static.
15439 (is_in_combined_parallel_ctx): Remove.
15440 (is_combined_parallel): New.
15441 (extract_omp_for_data): Move earlier in the file.
15442 (workshare_safe_to_combine_p): New.
15443 (get_ws_args_for): New.
15444 (determine_parallel_type): Move earlier in the file.
15445 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15447 (omp_copy_decl): Likewise.
15448 (create_omp_child_function): Likewise.
15449 (lookup_omp_region): New.
15450 (dump_omp_region): New.
15451 (debug_omp_region): New.
15452 (debug_all_omp_regions): New.
15453 (new_omp_region): New.
15454 (scan_omp_parallel): If parallel_nesting_level > 1, the
15455 directive is nested within another parallel directive.
15456 Set OMP_PARALLEL_FN.
15457 (scan_omp_for): Do not try to handle combined parallel+for
15459 Remove FIXME comment.
15460 (scan_omp_nested): Remove.
15461 (scan_omp_1): Do not call scan_omp_nested when
15462 parallel_nesting_level is > 1.
15463 Do not change the DECL_CONTEXT of local variables found.
15464 (lookup_decl_in_outer_ctx): New.
15465 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15466 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15467 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15468 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15469 If CTX is nested, lookup VAR in the outer context when
15470 building copy assignment.
15471 (lower_send_clauses): Rename from expand_send_clauses.
15472 If CTX is nested, lookup VAR in the outer context when
15473 building copy assignments.
15474 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15475 If CTX is nested, lookup VAR in the outer context when
15476 building copy assignments.
15477 (expand_parallel_call): Rename from build_parallel_call.
15478 Handle combined parallel+workshare cases.
15479 Re-implement to emit code into the CFG.
15481 (expand_omp_parallel): Re-implement to emit code into the CFG.
15482 Call move_sese_region_to_fn to outline the sub-graph
15483 containing the parallel region.
15484 (expand_omp_for_1): Remove.
15485 (expand_omp_for_generic): Re-implement to emit code into the
15487 (expand_omp_for_static_nochunk): Likewise.
15488 (expand_omp_for_static_chunk): Likewise.
15489 (expand_omp_for): Likewise.
15490 (expand_omp_sections): Likewise.
15491 (remove_exit_barriers): New.
15492 (expand_omp_synch): New.
15494 (build_omp_regions_1): New.
15495 (build_omp_regions): New.
15496 (execute_expand_omp): New.
15497 (gate_expand_omp): New.
15498 (pass_expand_omp): Define.
15499 (lower_omp_sections): Rename from expand_omp_sections.
15500 Set OMP_SECTIONS_SECTIONS.
15501 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15502 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15503 (lower_omp_single): Rename from expand_omp_simple.
15504 (lower_omp_master): Rename from expand_omp_master.
15505 (lower_omp_ordered): Rename from expand_omp_ordered.
15506 (lower_omp_critical): Rename from expand_omp_critical.
15507 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15508 (lower_omp_for): Re-implement.
15509 (lower_omp_parallel): Re-implement.
15510 (lower_regimplify): Rename from expand_regimplify.
15511 (lower_omp_1): Rename from expand_omp_1.
15512 If there are syntax errors in the program, replace every
15513 OpenMP directive with NOP.
15514 Call lower_omp_* instead of expand_omp_*.
15515 (lower_omp): Rename from expand_omp.
15517 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15518 * tree-gimple.h (enum omp_parallel_type): Remove.
15519 (gimple_boolify): Declare extern.
15520 (find_omp_clause, determine_parallel_type): Remove.
15522 * gimple-low.c (lower_omp_directive): New.
15523 (lower_stmt): Call it.
15524 (record_vars_into): Move from ...
15525 (record_vars): ... here.
15526 Call record_vars_into with current_function_decl.
15528 * gimplify.c (struct gimplify_ctx): Remove fields
15529 combined_pre_p and combined_ctxp. Update users.
15530 (get_formal_tmp_var): Add documentation.
15531 (gimple_boolify): Make extern.
15532 (gimplify_expr_in_ctx): Remove. Update callers.
15533 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15534 will always be a BIND_EXPR.
15535 (gimplify_expr): Handle OMP_RETURN_EXPR.
15536 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15537 (OMP_PARALLEL): Add 3 operands.
15538 (OMP_SECTIONS): Add 1 operand.
15539 (OMP_RETURN_EXPR): Define.
15541 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15542 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15543 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15544 creating a circular free list.
15545 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15547 * tree-flow.h (move_sese_region_to_fn): Declare.
15548 (record_vars_into): Declare.
15549 * tree-cfg.c (make_omp_sections_edges): New.
15550 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15551 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15552 OMP_SECTIONS and OMP_SECTION.
15553 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15554 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15555 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15556 (gather_blocks_in_sese_region): New.
15557 (struct move_stmt_d): Declare.
15558 (move_stmt_r): New.
15559 (move_block_to_fn): New.
15560 (move_sese_region_to_fn): New.
15562 * passes.c (init_optimization_passes): Schedule
15563 pass_expand_omp after pass_init_datastructures.
15565 * tree-ssa-operands.c (get_expr_operands): Handle
15566 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15567 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15569 2006-01-19 Jeff Law <law@redhat.com>
15571 * tree-vrp.c (extract_range_from_assert): Refine the result range
15572 if the variable referenced by the ASSERT_EXPR has a range and
15573 either the tentative result range or the previous range is a
15576 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15578 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15580 2006-01-19 Jan Hubicka <jh@suse.cz>
15582 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15584 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15586 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15587 (expand_compound_operation, expand_field_assignment): Fail if the
15588 bit lengths of an extract operation are out of range.
15589 (make_extraction): Compute wanted_inner_mode based on the position
15590 and length of the extraction. Make it extraction_mode for non-constant
15591 positions, and do not modify offset in that case. When generating a
15592 new MEM, use a mode that can hold the extraction while keeping correct
15593 alignment. Remove code that supported MEMs wrapped by USEs.
15594 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15596 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15598 * config/s390/s390.md ("Y", "y"): New mode attribute.
15599 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15600 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15601 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15602 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15603 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15604 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15605 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15606 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15607 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15608 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15609 "addsi3", "subsi3"): Insn patterns removed.
15610 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15611 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15612 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15613 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15614 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15615 "*sub<mode>3_cconly2"): New insn patterns.
15616 ("addsi3", "subsi3"): New expanders.
15618 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15620 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15621 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15622 existing STMT_VINFO_VECTYPE if available.
15623 (vect_mark_relevant): Add special handling for stmts that are
15624 marked as STMT_VINFO_IN_PATTERN_P.
15625 (vect_analyze_loop): Call vect_pattern_recog.
15626 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15627 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15629 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15630 (vect_recog_func_ptr): New function-pointer type.
15631 * tree-vect-patterns.c: New file.
15632 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15633 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15634 (vect_pattern_recog_1): New functions.
15635 (vect_pattern_recog_funcs): New array of function pointers.
15637 * tree-vectorizer.h (ternary_op): New enum value.
15638 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15639 declaration. Revised documentation. Removed redundant dump prints.
15640 Removed redundant argument. Added support for reduction patterns.
15641 (vectorizable_reduction): Added support for reduction patterns.
15642 (vect_transform_stmt): Added support for patterns.
15644 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15645 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15646 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15647 (expand_widen_pattern_expr): New function.
15648 (init_optabs): Initialize new optabs udot_prod_optab,
15650 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15651 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15652 (expand_widen_pattern_expr): New function declaration.
15653 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15655 * tree-inline.c (estimate_num_insns_1): Added cases for new
15656 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15657 * tree-pretty-print.c (dump_generic_node): Likewise.
15658 (op_prio): Likewise.
15659 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15660 * tree-ssa-operands.c (get_expr_operands): Added case for
15662 * tree-vect-patterns.c (widened_name_p): New function.
15663 (vect_recog_dot_prod_pattern): Added function implementation.
15664 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15665 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15666 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15667 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15669 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15670 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15671 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15672 (init_optabs): Initialize new optabs widen_ssum_optab,
15674 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15675 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15676 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15677 use instead of type of def.
15678 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15679 function implementation.
15680 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15681 widen_ssumv8hi): New.
15683 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15686 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15689 * c-decl.c (add_flexible_array_elts_to_size): New function.
15690 (finish_decl): Use it.
15692 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15694 * diagnostic.h: Include options.h.
15695 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15696 dependancies for diagnostic.h.
15697 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15699 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15701 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15702 (ssa_ro_call_cache_valid): Ditto.
15703 * tree-ssa-alias.c (sort_tags_by_id): New function.
15704 (init_transitive_clobber_worklist): Ditto.
15705 (add_to_worklist): Ditto.
15706 (mark_aliases_call_clobbered): Ditto.
15707 (compute_tag_properties): Ditto.
15708 (set_initial_properties): Ditto.
15709 (compute_call_clobbered): Ditto.
15710 (compute_may_aliases): Call compute_call_clobbered and grouping.
15711 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15712 (compute_flow_insensitive_aliasing): Grouping now happens in our
15714 (setup_pointers_and_addressables): Remove clobbering related code.
15715 (add_may_alias): Ditto.
15716 (replace_may_alias): Ditto.
15717 (get_nmt_for): Ditto.
15718 (create_global_var):
15719 (is_escape_site): Return an escape_type enumeration.
15720 * tree-flow-inline.h (is_call_clobbered): Global var does not
15721 imply call clobbered.
15722 (mark_call_clobbered): Take a reason for marking this. Remove
15723 marking of globalness, and cache invalidation.
15724 (clear_call_clobbered): Remove cache invalidation code.
15725 * tree-dfa.c (dump_variable): If details is on, dump the reason
15727 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15729 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15730 (struct var_ann_d): Ditto.
15731 (enum escape_type): New.
15732 (mark_call_clobbered): Adjust prototype.
15733 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15734 are never call clobbered.
15735 Record reasons for escaping.
15736 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15737 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15738 (ssa_ro_call_cache_valid): Ditto.
15739 (clobbered_v_may_defs): Ditto.
15740 (clobbered_vuses): Ditto.
15741 (ro_call_vuses): Ditto.
15742 (clobber_stats): New.
15743 (init_ssa_operands): Zero out clobber stats.
15744 (fini_ssa_operands): Print out clobber stats.
15745 (get_call_expr_operands): Pass callee fndecl to
15746 add_call_read_ops).
15747 (add_call_clobber_ops): Remove use of cache.
15748 Add use of PURE_CONST information.
15749 (add_call_read_ops): Remove use of cache.
15750 Add use of static not_read information.
15752 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15754 Introduce TLS descriptors for i386 and x86_64.
15755 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15756 (TARGET_ANY_GNU_TLS): New macro.
15757 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15758 (struct machine_function): Add tls_descriptor_call_expanded_p.
15759 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15760 (ix86_current_function_calls_tls_descriptor): Likewise.
15761 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15762 (override_options): Introduce gnu2 tls dialect.
15763 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15765 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15767 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15768 (ix86_init_machine_status): Initialize new field.
15769 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15770 (ix86_tls_module_base): New.
15771 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15772 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15773 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15774 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15775 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15776 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15777 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15778 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15779 * config/i386/predicates.md (tls_modbase_operand): New.
15780 (tp_or_register_operand): New.
15782 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15784 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15785 (look_for_address_of): Ditto.
15786 (ipa_init): Walk the function decls.
15787 (static_execute): Don't set readonly on FUNCTION_DECL's.
15789 2006-01-18 Roger Sayle <roger@eyesopen.com>
15791 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15792 for shifts where the source and destination registers are different.
15794 2006-01-18 Paul Brook <paul@codesourcery.com>
15796 Merge from csl-arm-branch.
15797 2005-03-14 Julian Brown <julian@codesourcery.com>
15798 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15799 (aeabi_llsl): Likewise.
15800 (ashrdi3): Likewise.
15801 (aeabi_lasr): Likewise.
15802 (lshrdi3): Likewise.
15803 (aeabi_llsr): Likewise.
15804 2005-03-10 Julian Brown <julian@codesourcery.com>
15805 * config.gcc: Disable shared libgcc for SymbianOS.
15806 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15808 2006-01-18 DJ Delorie <dj@redhat.com>
15810 * c-pragma.c (handle_pragma_diagnostic): New.
15811 (init_pragma): Register it.
15812 * doc/extend.texi: Document it.
15814 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15815 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15816 (diagnostic_context): Add classify_diagnostic[].
15817 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15818 as errors if they're overridden to DK_WARNING.
15819 (diagnostic_initialize): Initialize classify_diagnostic[].
15820 (diagnostic_set_kind_override): New.
15821 (diagnostic_report_diagnostic): Check for kind changes.
15822 * opts.c (common_handle_option): Take lang_mask. Update callers.
15823 Handle OPT_Werror_.
15824 * common.opt (Werror=): New.
15825 * doc/invoke.texi: Document -Werror=*
15827 2006-01-18 Jeff Law <law@redhat.com>
15829 * tree-vrp.c (test_for_singularity): Correct test for new
15830 min limit. Use operand_equal_p rather than pointer equality
15831 for testing if new min/max values are equal.
15833 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15834 using range information until after propagation and folding.
15836 2006-01-18 Richard Henderson <rth@redhat.com>
15837 Aldy Hernandez <aldyh@redhat.com>
15838 Jakub Jelinek <jakub@redhat.com>
15839 Diego Novillo <dnovillo@redhat.com>
15841 * omp-low.c: New file.
15842 * c-omp.c: New file.
15844 2006-01-18 Richard Henderson <rth@redhat.com>
15845 Jakub Jelinek <jakub@redhat.com>
15846 Diego Novillo <dnovillo@redhat.com>
15848 * doc/invoke.texi: Document -fopenmp.
15849 * tree-dump.h (debug_function): Declare.
15850 * hooks.c (hook_bool_tree_bool_false): New function.
15851 (hook_tree_tree_null): Remove.
15852 (hook_tree_tree_tree_null): New.
15853 * hooks.h: Update to match.
15854 * tree-pretty-print.c (debug_tree_chain): New.
15855 (print_generic_expr): Handle TDF_CHAIN.
15856 (dump_generic_node): Handle BLOCK.
15857 Do not abort with incomplete SWITCH_EXPRs.
15858 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15859 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15860 print space after directive name.
15861 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15862 Handle OMP_MASTER and OMP_ORDERED.
15863 Handle printing of OMP_BODY just in one place, goto
15864 dump_omp_body in the rest of OMP_* nodes that have
15866 Don't handle clause nodes here. Update omp statements to
15867 use dump_omp_clauses.
15868 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15869 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15870 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15871 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15872 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15873 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15874 Adjust output for GOMP_PARALLEL.
15875 (dump_omp_clauses): New.
15876 (print_declaration): Dump DECL_VALUE_EXPR.
15877 (op_symbol_1): Split out of op_symbol.
15878 (dumping_stmts): Remove. Update all users.
15879 * cgraph.c (cgraph_analyze_queue): New.
15880 (cgraph_add_new_function): New.
15881 * cgraph.h (cgraph_analyze_queue): Declare.
15882 (cgraph_add_new_function): Declare.
15883 (cgraph_lower_function): Remove.
15884 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15885 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15886 and TYPE_P nodes in its default clause.
15887 (empty_body_p): New.
15888 (tree_range_check_failed): New.
15889 (build5_stat): New.
15890 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15891 OMP_CLAUSE_REDUCTION_MERGE,
15892 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15893 OMP_CLAUSE_PRIVATE_DEBUG,
15894 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15895 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15896 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15897 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15898 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15899 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15900 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15901 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15902 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15903 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15904 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15905 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15906 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15907 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15908 (TREE_RANGE_CHECK): New.
15909 (empty_body_p): Declare.
15910 (enum omp_clause_default_kind): New.
15911 (build_string_literal): Declare.
15912 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15913 (build5_stat, build5): Declare.
15914 * tree-pass.h (TDF_CHAIN): Define.
15915 * tree-pass.h (PROP_gimple_lomp): Define.
15916 (pass_lower_omp): Declare.
15917 * diagnostic.h (debug_tree_chain): Declare.
15918 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15920 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15921 * builtins.c (build_string_literal): Make extern.
15922 * gcc.c (include_spec_function): New.
15923 (static_spec_functions): Add it.
15924 (main): Move load of libgomp.spec ...
15925 (LINK_COMMAND_SPEC): ... here.
15926 (link_gomp_spec): New.
15927 (static_specs): Include it.
15928 (LINK_COMMAND_SPEC): Add link_gomp.
15929 (GOMP_SELF_SPECS): New.
15930 (driver_self_specs): Include it.
15931 (switch_matches): Don't mark inline.
15932 (main): Load libgomp.spec.
15933 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15934 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15935 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15936 * tree-gimple.h (enum omp_parallel): Declare.
15937 (determine_parallel_type): Declare.
15938 (omp_firstprivatize_variable): Declare.
15939 (omp_reduction_init): Declare.
15940 (diagnose_omp_structured_block_errors): Declare.
15941 (struct walk_stmt_info): Add want_return_expr.
15942 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15943 (find_omp_clause): Declare.
15944 (insert_field_into_struct): Declare.
15945 (struct walk_stmt_info): Move from tree-nested.c
15946 (walk_stmts): Declare.
15947 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15949 * cgraphunit.c (cgraph_lower_function): Make static.
15950 (cgraph_finalize_pending_functions): New.
15951 (cgraph_finalize_function): Call it.
15952 (cgraph_finalize_compilation_unit): Likewise.
15953 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15954 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15955 (BT_FN_UINT_UINT): New.
15956 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15957 DEF_FUNCTION_TYPE_VAR_4): Document.
15958 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15959 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15960 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15961 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15962 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15963 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15964 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15965 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15966 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15967 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15968 into separate files.
15969 (DEF_GOMP_BUILTIN): New.
15970 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15971 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15972 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15973 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15974 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15975 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15976 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15977 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15978 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15979 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15980 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15981 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15982 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15983 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15984 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15985 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15986 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15987 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15988 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15989 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15990 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15991 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15992 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15993 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15994 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15995 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15996 * sync-builtins.def: New file, moved from builtins.def.
15997 * omp-builtins.def: New file, moved from builtins.def.
15998 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15999 * gimple-low.c (lower_function_body): Clear data.
16000 (lower_stmt): Do not handle COMPOUND_EXPR.
16001 Remove call to print_node_brief.
16002 * c-tree.h (c_finish_omp_clauses): New prototype.
16003 (C_DECL_THREADPRIVATE_P): Define.
16004 (lookup_name_no_remap, c_omp_remap_private): Remove
16005 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16006 (check_for_loop_decls): Update decl.
16007 (lookup_name_no_remap, c_omp_remap_private): Declare.
16008 (build_indirect_ref, build_modify_expr, pushdecl,
16009 pushdecl_top_level): Move to c-common.h.
16010 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16011 before the switch, but just in the 2 places that need it.
16012 * c-decl.c (diagnose_mismatched_decls): Do not check for
16013 mismatched thread-local attributes when OLDDECL is marked
16014 threadprivate and NEWDECL has no thread-local attributes.
16015 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16016 (c_gimple_diagnostics_recursively): Rename from
16017 c_warn_unused_result_recursively. Invoke
16018 diagnose_omp_structured_block_errors.
16019 (check_for_loop_decls): Return a singular decl found.
16020 * langhooks.c (lhd_omp_predetermined_sharing): Return
16021 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16022 (lhd_omp_firstprivatize_type_sizes): New.
16023 (lhd_omp_assignment): New.
16024 (lhd_omp_predetermined_sharing): New.
16025 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16026 (struct lang_hooks_for_types): Add
16027 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16028 omp_predetermined_sharing, omp_disregard_value_expr,
16029 omp_private_debug_clause, omp_clause_default_ctor,
16030 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16031 (c_finish_omp_clauses): New.
16032 (c_finish_bc_stmt): Diagnose break within omp for.
16033 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16034 (build_unary_op): Return error_mark after reporting
16036 (build_modify_expr): Likewise.
16037 * gimplify.c: Include optabs.h and pointer-set.h.
16038 (enum gimplify_omp_var_data): Declare.
16039 (struct gimplify_omp_ctx): Declare.
16040 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16042 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16043 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16044 (splay_tree_compare_decl_uid): New.
16045 (new_omp_context): New.
16046 (delete_omp_context): New.
16047 (gimple_add_tmp_var): Call omp_add_variable.
16048 (gimplify_bind_expr): Likewise.
16049 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16050 true, disregard DECL_VALUE_EXPR on the decl if any.
16051 (gimplify_expr_in_ctx): New.
16052 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16053 omp_add_variable, omp_notice_variable, omp_is_private
16054 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16055 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16056 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16057 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16058 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16059 gimplify_omp_atomic): New.
16060 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16061 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16062 OMP_CRITICAL and OMP_ATOMIC.
16063 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16064 * c-pragma.h (enum pragma_kind): Add
16065 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16066 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16067 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16068 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16069 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16070 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16071 PRAGMA_OMP_THREADPRIVATE.
16072 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16073 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16074 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16075 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16076 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16077 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16078 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16079 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16080 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16081 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16082 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16083 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16084 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16086 (struct nesting_info): Add field_map,
16087 suppress_expansion, debug_var_chain.
16088 (create_nesting_tree): Initialize them.
16089 (lookup_field_for_decl): Use field_map.
16090 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16091 (convert_local_omp_clauses): New.
16092 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16093 (walk_body): Split out of walk_function.
16094 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16095 (convert_nonlocal_reference): Handle omp statements.
16096 (convert_local_reference): Likewise.
16097 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16098 (unnest_nesting_tree): New.
16099 (lower_nested_functions): Call it.
16100 (insert_field_into_struct): Make extern.
16101 (struct walk_stmt_info): Move to tree-gimple.h.
16102 (walk_stmts): Make extern.
16103 * omp-builtins.def: New file.
16104 * tree-iterator.c (expr_only): Clarify comment.
16105 * c-common.h (pushdecl_top_level, pushdecl,
16106 build_modify_expr, build_indirect_ref,
16107 c_finish_omp_master, c_finish_omp_critical,
16108 c_finish_omp_ordered, c_finish_omp_barrier,
16109 c_finish_omp_atomic, c_finish_omp_flush,
16110 c_finish_omp_for, c_split_parallel_clauses,
16111 omp_clause_default_kind, c_omp_sharing_predetermined,
16112 c_omp_remap_decl): Declare.
16113 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16114 (OBJS-common): Add omp-low.o.
16115 (c-omp.o, omp-low.o): Add.
16116 (gimplify.o): Add dependency on $(OPTABS_H).
16117 (GTFILES): Add omp-low.c.
16118 (gt-stringpool.h): Add.
16119 * tree-cfg.c (set_bb_for_stmt): Do not update the
16120 block-to-labels map if we are currently expanding to RTL.
16121 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16123 Handle IDENTIFIER_NODE.
16124 (tree_verify_flow_info): Do not ICE when emitting error
16125 messages about invalid labels.
16126 (dump_function_to_file): Reset CFUN before emitting the body
16128 (debug_function): New.
16129 * passes.c (init_optimization_passes): Schedule
16131 * langhooks-def.h (lhd_omp_predetermined_sharing,
16132 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16134 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16135 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16136 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16137 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16138 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16139 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16140 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16141 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16142 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16143 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16144 (LANG_HOOK_DECLS): Use them.
16146 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16147 Richard Henderson <rth@redhat.com>
16148 Jakub Jelinek <jakub@redhat.com>
16149 Diego Novillo <dnovillo@redhat.com>
16151 * c-parser.c (pragma_omp_clause): Define.
16152 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16153 (c_parser_compound_statement): Likewise.
16154 (c_parser_statement): Likewise.
16155 (c_parser_pragma): Handle omp pragmas.
16156 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16157 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16158 (c_parser_omp_clause_name, check_no_duplicate_clause,
16159 c_parser_omp_variable_list,
16160 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16161 c_parser_omp_clause_copyprivate,
16162 c_parser_omp_clause_default,
16163 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16164 c_parser_omp_clause_lastprivate,
16165 c_parser_omp_clause_nowait,
16166 c_parser_omp_clause_num_threads,
16167 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16168 c_parser_omp_clause_reduction,
16169 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16170 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16171 c_parser_omp_atomic, c_parser_omp_barrier,
16172 c_parser_omp_critical, c_parser_omp_flush,
16173 c_parser_omp_for_loop, c_parser_omp_for,
16174 c_parser_omp_master, c_parser_omp_ordered,
16175 c_parser_omp_sections_scope, c_parser_omp_sections,
16176 c_parser_omp_parallel, c_parser_omp_single,
16177 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16178 * c-pragma.c (init_pragma): Do omp pragma registration here.
16179 * c.opt (fopenmp): New flag.
16181 2006-01-18 Eric Christopher <echristo@apple.com>
16183 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16184 * config/darwin.h (GOMP_SELF_SPECS): Define.
16186 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16188 * rtl.h: Remove the prototype for reg_alloc.
16190 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16193 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16194 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16195 sjlj and dwarf2 exception handling.
16196 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16197 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16198 * pa/pa.c (function_value): Treat complex and vector types as
16200 (function_arg): Likewise. Only pass scalar floats in the floating
16201 point argument registers.
16202 * pa/t-slibgcc-dwarf-ver: New file.
16203 * pa/t-slibgcc-sjlj-ver: New file.
16204 * pa/t-slibgcc-elf-ver: Delete file.
16206 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16208 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16209 unlikely_test_section_p test.
16211 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16213 * mode-switching.c (optimize_mode_switching): Make it static.
16214 * basic-block.h: Remove the prototype for
16215 optimize_mode_switching.
16217 * modulo-sched.c (sms_schedule): Make it static.
16218 * rtl.h: Remove the prototype for sms_schedule.
16220 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16221 * rtl.h: Remove the prototype for gcse_after_reload_main.
16223 * reg-stack.c (reg_to_stack): Make it static.
16224 * rtl.h: Remove the prototype for reg_to_stack.
16226 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16228 * rtl.h: Remove the prototypes for regrename_optimize and
16229 copyprop_hardreg_forward.
16231 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16233 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16234 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16235 Test against the appropriate null constant for the mode.
16236 If 'fixup_overlap' is true, swap the operands if they overlap.
16237 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16238 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16239 alpha_split_tmode_pair and adjust for above change.
16240 * config/alpha/alpha.md (movtf_internal): Adjust call to
16241 alpha_split_tfmode_pair and rely on it to swap the operands.
16242 (movti_internal): New insn and post-reload splitter.
16243 (movti): New expander.
16245 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16247 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16250 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16252 * rtlanal.c (global_reg_mentioned_p_1,
16253 global_reg_mentioned_p): Remove.
16254 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16256 * flow.c (initialize_uninitialized_subregs): Make it static.
16257 * rtl.h: Remove the prototype for
16258 initialize_uninitialized_subregs.
16260 * function.c (instantiate_virtual_regs): Make it static.
16261 * function.h: Remove the prototype for
16262 instantiate_virtual_regs.
16264 * regmove.c (regmove_optimize, combine_stack_adjustments):
16266 * rtl.h: Remove the prototypes for regmove_optimize and
16267 combine_stack_adjustments.
16269 2006-01-17 Roger Sayle <roger@eyesopen.com>
16271 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16272 (size_cost): Encode costs in bytes so that a reg-reg addition is
16273 equivalent to COSTS_N_INSNS(1).
16274 (override_options): Use the size_cost.branch_cost as the default
16275 ix86_branch_cost when optimizing for size.
16277 2006-01-18 Ben Elliston <bje@au.ibm.com>
16279 * Makefile.in (D32PBIT_FUNCS): New.
16280 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16281 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16282 D64PBIT_FUNCS and D128PBIT_FUNCS.
16283 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16284 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16286 (decnumber_dep): Define.
16287 * doc/libgcc.texi (Decimal float library routines): New node.
16288 * config/dfp-bit.h, config/dfp-bit.c: New files.
16290 2006-01-18 Ben Elliston <bje@au.ibm.com>
16292 * expr.c (emit_move_change_mode): Always adjust addresses, not
16293 just during reload. Copy replacements only during reload.
16294 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16295 emit_move_via_integer.
16297 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16299 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16300 instead of $(srcdir) and ${srcdir}.
16302 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16305 PR middle-end/11135
16306 * arm.h (struct machine_function): Add pic_reg.
16307 * arm.c (arm_pic_register): Make unsigned.
16308 (arm_override_options): Only set arm_pic_register if
16309 TARGET_SINGLE_PIC_BASE.
16310 (use_return_insn): Only test for a pic register if it is fixed.
16311 (arm_compute_save_reg0_reg12_mask): Likewise.
16312 (thumb_compute_save_reg_mask): Likewise.
16313 (legitimate_pic_operand): Factor out some known invariants.
16314 (legitimize_pic_address): If we don't have a fixed pic register,
16315 then set up a pseudo in the function entry sequence. Handle the
16316 pic base being in a pseudo.
16317 (arm_load_pic_register): Handle the pic register being in a pseudo.
16318 (arm_expand_prologue): Only set up the pic register if it is fixed.
16319 (thumb_expand_prologue): Likewise.
16320 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16321 (pic_load_addr_based_insn): Likewise.
16322 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16325 2006-01-18 Ben Elliston <bje@au.ibm.com>
16327 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16328 decimal float modes for all floating point registers.
16330 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16331 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16333 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16336 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16337 even when the pointer is not NULL.
16339 2006-01-16 Ian Lance Taylor <ian@airs.com>
16341 * common.opt (ftoplevel-reorder): New option.
16342 * cgraph.c (cgraph_asm_nodes): New global variable.
16343 (cgraph_asm_last_node): New static variable.
16344 (cgraph_order): New global variable.
16345 (cgraph_create_node): Set new order field.
16346 (cgraph_varpool_node): Likewise.
16347 (decide_is_variable_needed): Return true if not
16348 flag_toplevel_reorder.
16349 (cgraph_add_asm_node): New function.
16350 * cgraph.h (struct cgraph_node): Add order field.
16351 (struct cgraph_varpool_node): Add order field.
16352 (struct cgraph_asm_node): Define.
16353 (cgraph_asm_nodes, cgraph_order): Declare.
16354 (cgraph_add_asm_node): Declare.
16355 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16357 (cgraph_varpool_assemble_pending_decls): Call it.
16358 (cgraph_output_pending_asms): New static function.
16359 (cgraph_finalize_compilation_unit): Call it.
16360 (struct cgraph_order_sort): Define.
16361 (cgraph_output_in_order): New static function.
16362 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16363 !flag_toplevel_reorder case.
16364 * c-parser.c: Include "cgraph.h".
16365 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16367 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16368 than -fno-unit-at-a-time.
16369 * doc/invoke.texi (Option Summary): Mention
16370 -fno-toplevel-reorder.
16371 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16372 -funit-at-a-time documentation.
16374 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16375 Kazu Hirata <kazu@codesourcery.com>
16377 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16379 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16381 * Makefile.in (FUNCTION_H): New. Use it instead of
16382 function.h throughout the file.
16383 * function.h: Include tree.h.
16385 2006-01-17 Ben Elliston <bje@au.ibm.com>
16387 * recog.c: Separate some functions with whitespace.
16389 2006-01-16 Richard Henderson <rth@redhat.com>
16391 Merge from gomp branch:
16392 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16393 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16394 and rename from struct inline_data. Rename callee* to dst*;
16395 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16396 transform_new_cfg, transform_return_to_modify, and
16397 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16399 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16400 (copy_decl_for_dup): Remove.
16401 * tree-inline.c (struct inline_data): Move to header.
16402 (insert_decl_map): Export.
16403 (remap_decl): Update for member name changes. Use copy_decl hook.
16404 Allow for replacement to be a non-decl. Remove dead code.
16405 (remap_type_1): Check for existing mapping.
16406 (remap_type): Export.
16407 (remap_decls): Update for member name changes.
16408 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16409 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16410 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16411 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16412 (tree_function_versioning, build_duplicate_type): Likewise.
16413 (copy_body_r): Likewise. Export.
16414 (copy_decl_for_dup): Split into ...
16415 (copy_decl_for_dup_finish, copy_decl_to_var,
16416 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16417 (replace_ref_tree, inlining_p): Remove.
16419 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16421 * ifcvt.c (if_convert): Make it static.
16422 * rtl.h: Remove the prototype for if_convert.
16424 * local-alloc.c (local_alloc): Make it static.
16425 * rtl.h: Remove the prototype for local_alloc.
16427 * loop.c (loop_optimize): Make it static.
16428 * cfgloop.h: Remove the prototype for loop_optimize.
16431 2006-01-16 DJ Delorie <dj@redhat.com>
16433 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16436 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16438 * pa.md: Disparage copies between general and floating-point registers
16439 in 32-bit move patterns.
16441 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16444 * Makefile.in (check-%): Depend on site.exp instead of
16445 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16448 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16450 * global.c (global_alloc): Make it static.
16451 * rtl.h: Remove the prototype for global_alloc.
16453 2006-01-16 Richard Guenther <rguenther@suse.de>
16455 * tree-ssa-alias.c (struct used_part): Add write_only field.
16456 (get_or_create_used_part_for): Initialize it to true.
16457 (create_overlap_variables_for): Don't create structure variables
16458 for structures that only are written to.
16459 (find_used_portions): Handle MODIFY_EXPR to track whether a
16460 structure is only written to.
16462 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16464 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16466 * basic-block.h: Remove the prototype for
16467 partition_hot_cold_basic_blocks.
16469 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16471 * cppspec.c (lang_specific_spec_functions): Remove.
16472 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16473 * gcc.h (lang_specific_spec_functions): Remove.
16474 * gccspec.c (lang_specific_spec_functions): Remove.
16476 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16478 * combine.c (record_value_for_reg): Invalidate registers
16480 (record_dead_and_set_regs_1): Likewise, by passing them to
16481 record_value_for_reg.
16482 (record_dead_and_set_regs): Invalidate stores made by a
16483 call. We do not combine across a call, but we still
16484 relied on equivalences.
16486 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16488 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16489 vrp_int_const_binop returning non-constant nodes.
16491 2006-01-16 Paul Brook <paul@codesourcery.com>
16493 * config/m68k/m68k.c (output_move_const_into_data_reg):
16494 Output correct mnemonic for mvz and mvs.
16496 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16498 * rtl-factoring.c: Add sequence abstraction algorithm.
16499 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16500 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16502 (block_has_preserve_label): New function.
16503 * common.opt: Register new pass.
16504 * Makefile.in: Ditto.
16506 * timevar.def: Ditto.
16507 * tree-pass.h: Ditto.
16508 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16509 * rtl.h (make_jump_insn_raw): Add forward decl.
16510 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16512 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16513 Roger Sayle <roger@eyesopen.com>
16515 * fold-const.c (fold_minmax): New static function.
16516 (fold_binary) <MIN_EXPR>: Call it.
16517 <MAX_EXPR>: Likewise.
16518 * stor-layout.c (place_field): Use DECL_SIZE consistently
16519 in the computation of the new record size.
16521 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16523 * cse.c (cse_condition_code_reg): Make it static.
16524 * rtl.h: Remove the prototype for cse_condition_code_reg.
16526 * combine.c (combine_instructions): Make it static.
16527 * rtl.h: Remove the prototype for combine_instructions.
16529 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16532 * tree.c (get_file_function_name_long): Concatenate the first global
16533 object name with a string derived from the input filename of the object
16536 2006-01-16 Ben Elliston <bje@au.ibm.com>
16538 * config/i386/winnt-stubs.c: Update FSF address.
16539 * config/xtensa/ieee754-df.S: Ditto.
16540 * config/xtensa/ieee754-sf.S: Ditto.
16542 2006-01-14 Ian Lance Taylor <ian@airs.com>
16544 * ifcvt.c (noce_init_if_info): New static function, broken out of
16545 noce_process_if_block.
16546 (noce_process_if_block): Call noce_init_if_info.
16547 (check_cond_move_block): New static function.
16548 (cond_move_process_if_block): New static function.
16549 (process_if_block): Call cond_move_process_if_block.
16551 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16553 * cselib.c (hash_table): Rename to cselib_hash_table.
16554 (cselib_clear_table, discard_useless_values,
16555 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16556 cselib_init, cselib_finish): Adjust uses of hash_table.
16558 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16560 PR tree-optimization/25485
16561 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16562 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16563 is known to be false and true, respectively.
16565 2006-01-14 Richard Guenther <rguenther@suse.de>
16567 PR tree-optimization/22548
16568 PR tree-optimization/22555
16569 PR tree-optimization/22501
16570 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16571 * params.def (salias-max-array-elements): New parameter.
16572 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16573 * doc/invoke.texi (salias-max-array-elements): Document.
16574 * tree-flow-inline.h (var_can_have_subvars): We also handle
16576 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16578 * tree-ssa-structalias.c (params.h): Include.
16579 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16580 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16581 (get_constraint_for): For ADDR_EXPR operating on something
16582 containing an ARRAY_REF, add all subvars to the solution.
16583 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16584 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16585 for creating MUST_DEFs.
16586 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16588 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16590 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16592 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16593 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16594 number_of_iterations_le): New functions.
16595 (number_of_iterations_special): Removed.
16596 (number_of_iterations_exit): Do not use number_of_iterations_special.
16597 * tree.c (unsigned_type_for): Always return integer type.
16599 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16600 Richard Guenther <rguenther@suse.de>
16602 PR rtl-optimization/24257
16603 * gcse.c (find_moveable_store): Only consider a store movable
16604 when the SET_SRC of the insn can be assigned to a register.
16606 2006-01-14 Ian Lance Taylor <ian@airs.com>
16608 * tree.c (tree_not_class_check_failed): New function.
16609 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16610 (tree_not_class_check_failed): Declare.
16612 2006-01-13 Ian Lance Taylor <ian@airs.com>
16614 * reload1.c (do_output_reload): Add assertion rejecting a
16617 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16619 * combine.c (struct reg_stat): Add new fields truncation_label and
16621 (record_value_for_reg): Reset truncated_to_mode.
16622 (record_truncated_value): New function.
16623 (check_promoted_subreg): Call it. Rename to check_conversions.
16624 (combine_instructions): Rename check_promoted_subreg to
16626 (reg_truncated_to_mode): New function.
16627 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16628 (gen_lowpart_or_truncate): New function.
16629 (force_to_mode): Use it instead of gen_lowpart.
16631 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16633 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16634 VAR is a tag, not its type tag.
16636 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16638 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16639 alternatives to match style of other entries.
16640 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16642 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16644 PR tree-optimization/25771
16645 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16648 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16651 * tree-inline.c (declare_return_variable): If the return variable
16652 was marked as a non gimple complex, set the return slot variable
16653 to be a non gimple comple variable.
16655 2006-01-13 Richard Guenther <rguenther@suse.de>
16657 * builtins.c (expand_builtin_sincos): New function.
16658 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16660 (expand_builtin): Expand sincos using expand_builtin_sincos.
16662 2006-01-12 DJ Delorie <dj@redhat.com>
16664 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16665 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16666 so that constant shifts can be split.
16667 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16668 (m32c_valid_pointer_mode): Make static.
16669 (shift_gen_func_for): New.
16670 (m32c_prepare_shift): Use it. Split large const shifts into
16672 * config/m32c/predicates.md (shiftcount_operand): Allow more
16674 (longshiftcount_operand): New.
16675 * doc/md.texi (Machine Constraints): Document In6.
16677 2006-01-13 Ben Elliston <bje@au.ibm.com>
16679 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16680 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16683 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16685 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16686 to try to avoid clobbering pieces of structures when we know
16687 something about the whole structure.
16688 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16690 2006-01-13 Ben Elliston <bje@au.ibm.com>
16692 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16693 return in memory, as this is no limitation is no longer present.
16695 2006-01-12 DJ Delorie <dj@redhat.com>
16697 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16698 mova with fb, and for fb+0 -> An.
16700 * config/m32c/mov.md (peephole2): Fix enabling logic.
16702 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16703 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16704 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16705 FINI_ARRAY_SECTION_ASM_OP): Define.
16707 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16709 (m32c_legitimize_reload_address): New logic to reload FB to An.
16710 (m32c_output_reg_push): Add newline.
16711 (m32c_output_reg_pop): Likewise.
16713 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16715 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16717 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16719 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16721 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16723 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16726 2006-01-11 Ben Elliston <bje@au.ibm.com>
16728 * rtlanal.c (find_reg_note): Assert insn is not null.
16730 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16732 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16735 2006-01-11 Jeff Law <law@redhat.com>
16737 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16739 (mark_threaded_blocks, register_jump_thread): New functions.
16740 (thread_through_all_blocks): Remove unwanted argument. No
16741 longer rely on e->aux to communicate thread target info.
16742 Call mark_threaded_blocks. Release the threaded_blocks
16743 bitmap and threaded_edges vector when complete.
16744 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16745 (threaded_blocks): Remove.
16746 (tree_ssa_dominator_optimize): Remove initialization and
16747 finalization of threaded_blocks. Simplify call to
16748 thread_through_all_blocks.
16749 (thread_across_edge): Call register_jump_thread rather than
16750 storing thread information into e->aux.
16751 (free_all_edge_infos): Simplify now that e->aux is no longer
16752 used to communicate with thread_through_all_blocks.
16753 * tree-flow.h (thread_through_all_blocks): Update prototype.
16754 (register_jump_thread): Prototype.
16756 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16758 * df-core.c (df_compact_blocks, df_bb_replace): Use
16759 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16761 2006-01-11 Richard Guenther <rguenther@suse.de>
16763 PR tree-optimization/25734
16764 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16765 stop propagation after successful propagation to the LHS.
16767 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16769 * basic-block.h (control_flow_graph): Change the type of
16770 x_basic_block_info to VEC(basic_block,gc) *.
16771 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16773 (SET_BASIC_BLOCK): New.
16774 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16775 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16776 * cfgbuild.c (find_basic_blocks): Likewise.
16777 * cfglayout.c (fixup_reorder_chain): Likewise.
16778 * cfgrtl.c (create_basic_block_structure,
16779 rtl_create_basic_block): Likewise.
16780 * ifcvt.c (find_if_case_1): Likewise.
16781 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16784 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16786 * Makefile.in: Removed rotted odf.c entry.
16788 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16791 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16792 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16793 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16794 output pattern modifier, not %e.
16795 * config/cris/cris.c (cris_op_str): Update comment about pattern
16797 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16798 before falling through into...
16799 <case 'E'>: Redefined from old 'e' case.
16801 2006-01-11 Jan Hubicka <jh@suse.cz>
16804 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16806 2006-01-11 Jan Hubicka <jh@suse.cz>
16808 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16809 * i386.c (x86_decompose_lea): Kill.
16810 (ix86_rtx_costs): Kill.
16812 2006-01-11 Jan Hubicka <jh@suse.cz>
16814 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16815 * cgraph.h (cgraph_node): Add inline_decl.
16816 (cgraph_insert_node_to_hashtable): Declare.
16817 (save_inline_function_body): Declare.
16818 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16820 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16821 (cgraph_function_versioning): Update call of tree_function_versioning.
16822 (save_inline_function_body): New function.
16823 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16824 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16825 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16826 (cgraph_default_inline_p): Likewise.
16827 (cgraph_decide_inlining_incrementally): Likewise.
16828 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16829 (copy_bb): Kill saving; do updating of clones.
16830 (copy_cfg_body): Kill saving.
16831 (initialize_inlined-parameters): Likewise.
16832 (expand_call_inline): Likewise.
16834 (tree_function_versioning): New parameter "update_clones".
16835 (inlining_p): Kill saving.
16836 * tree-inline.h (tree_function_versioning): Update prototype.
16837 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16840 2006-01-11 Ian Lance Taylor <ian@airs.com>
16842 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16843 Allow undoing set of machine mode.
16844 (do_SUBST): Use enums instead of is_int.
16845 (do_SUBST_MODE): New function.
16846 (SUBST_MODE): New macro.
16847 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16848 reg and trying to replace reg_regno_rtx with a new register.
16849 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16850 (simplify_set): Use SUBST_MODE.
16851 (distribute_notes): Remove code that tried to update reg notes
16852 for regno_reg_rtx changes.
16854 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16856 PR tree-optimization/23109
16857 PR tree-optimization/23948
16858 PR tree-optimization/24123
16860 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16861 * tree-cfg.c (single_noncomplex_succ): New.
16862 * tree-flow.h (single_noncomplex_succ): Declare it.
16863 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16864 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16865 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16866 insert_bb, register_division_in, insert_reciprocals,
16867 replace_reciprocal, free_bb): New.
16868 (execute_cse_reciprocals_1): Rewritten.
16869 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16870 Do not commit any edge insertion. Always compute dominators and
16871 create the allocation pool.
16872 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16873 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16874 * targhooks.c (default_min_divistions_for_recip_mul): New.
16875 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16876 * passes.c (init_optimization_passes): Run recip after tree loop
16878 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16880 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16881 Kenneth Zadeck <zadeck@naturalbridge.com>
16883 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16884 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16885 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16886 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16887 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16888 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16889 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16890 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16891 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16892 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16893 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16894 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16895 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16896 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16897 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16898 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16899 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16900 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16901 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16902 DF_SCAN_POST_ALLOC): New macros.
16903 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16904 df_free_bb_function, df_local_compute_function, df_init_function,
16905 df_dataflow_function, df_confluence_function_0,
16906 df_confluence_function_n, df_transfer_function,
16907 df_finalizer_function, df_free_function, df_dump_problem_function,
16908 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16909 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16910 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16911 df_urec_bb_info, ) New types.
16912 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16914 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16915 df_analyze_simple_change_some_blocks,
16916 df_analyze_simple_change_one_block, df_compact_blocks,
16917 df_bb_replace, df_bb_regno_last_use_find,
16918 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16919 df_insn_regno_def_p, df_find_def, df_find_use,
16920 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16921 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16922 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16923 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16924 debug_df_chain, df_get_dependent_problem, df_chain_create,
16925 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16926 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16927 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16928 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16929 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16930 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16931 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16932 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16933 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16934 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16935 df_reorganize_refs, df_set_state, df_hard_reg_init,
16936 df_read_modify_subreg_p) New public functions.
16937 * df-core.c: The core dataflow solver and glue routines for rtl
16939 (df_init, df_add_problem, df_set_blocks, df_finish,
16940 df_hybrid_search_forward, df_hybrid_search_backward,
16941 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16942 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16943 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16944 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16945 df_reg_defined, df_find_use, df_reg_used, df_dump,
16946 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16947 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16948 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16949 debug_df_useno, reset_df_after_reload): New functions.
16950 * df-scan.c: The scanning fuctions, once in df.c, completely
16951 rewritten so that they now fully model the functionality of
16952 register usage at the backend.
16953 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16954 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16955 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16956 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16957 df_get_artificial_defs, df_get_artificial_uses,
16958 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16959 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16960 df_refs_delete, df_reorganize_refs, df_set_state,
16961 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16962 df_def_record_1, df_defs_record, df_uses_record,
16963 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16964 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16965 df_record_exit_block_uses, df_hard_reg_init): New functions.
16967 * df-problems.c: Seven concrete dataflow problems that use the
16968 scanning in df-scan.c and are solved by the engine in df-core.c.
16969 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16970 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16971 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16972 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16973 df_ru_free_bb_info, df_ru_alloc,
16974 df_ru_bb_local_compute_process_def,
16975 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16976 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16977 df_ru_transfer_function, df_ru_free, df_ru_dump,
16978 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16979 df_rd_free_bb_info, df_rd_alloc,
16980 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16981 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16982 df_rd_transfer_function, df_rd_free, df_rd_dump,
16983 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16984 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16985 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16986 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16987 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16988 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16989 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16990 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16991 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16992 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16993 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16994 df_urec_mark_reg_use_for_earlyclobber,
16995 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16996 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16997 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16998 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16999 df_chain_create_bb_process_use, df_chain_create_bb,
17000 df_chain_finalize, df_chain_free, df_chains_dump,
17001 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17002 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17003 df_reg_lifetime): New functions.
17004 * df.c: Deleted file.
17005 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17006 consistent with new df api.
17007 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17008 rest_of_handle_sms): Ditto.
17009 * web.c (unionfind_union, union_defs, entry_register, web_main):
17011 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17012 invariant_expr_equal_p, find_defs, check_dependencies,
17013 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17014 free_inv_motion_data, move_loop_invariants): Ditto.
17015 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17016 Update dependencies.
17017 (odf.c): Added defective entry that was deleted later in day.
17018 * sched-deps.c (sched_analyze_1): Ditto.
17020 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17022 * tree-ssa-operands.c (get_expr_operands): Record addressable
17023 variables directly. Do not call add_stmt_operands for CONST_DECLs
17025 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17026 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17028 2006-01-11 Ben Elliston <bje@au.ibm.com>
17030 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17031 function returns true in the positive case.
17033 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17036 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17037 for SI, DI, SF and DF modes. Add alternatives to copy between
17038 general and floating point registers to the 32-bit patterns.
17039 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17040 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17041 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17042 generating 64-bit code.
17043 * config/pa/pa.c (output_move_double): Handle copies between general
17044 and floating registers.
17046 2006-01-10 Stuart Hastings <stuart@apple.com>
17048 * config/i386/i386.md (set_got): Update.
17049 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17050 (builtin_setjmp_receiver): Mach-O support.
17051 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17052 (GOT_SYMBOL_NAME): Define.
17053 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17054 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17055 * config/i386/i386.c (override_options): Revise for Darwin.
17056 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17057 support. (darwin_x86_file_end): New. (output_set_got): Add label
17058 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17059 * config/i386/i386-protos.h (output_set_got): Likewise.
17060 * config/darwin.c (machopic_legitimize_pic_address): Update
17063 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17065 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17066 when MODE isn't BLKmode.
17068 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17070 PR rtl-optimization/25367
17071 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17073 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17076 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17077 for a negative bound.
17079 2006-01-10 Richard Guenther <rguenther@suse.de>
17081 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17082 Never override with anything constraint.
17084 2006-01-10 Jan Beulich <jbeulich@novell.com>
17086 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17087 256 bits when optimize_size.
17089 2006-01-10 Jan Beulich <jbeulich@novell.com>
17091 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17093 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17094 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17097 2006-01-10 Ben Elliston <bje@au.ibm.com>
17099 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17101 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17102 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17103 (USE_FP_FOR_ARG): Reject decimal float modes.
17104 (function_arg_advance): Likewise.
17105 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17106 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17107 point types in AltiVec vectors.
17108 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17109 (rs6000_libcall_value): Likewise.
17111 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17113 * config/xtensa/ieee754-df.S: New file.
17114 * config/xtensa/ieee754-sf.S: New file.
17115 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17116 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17117 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17119 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17121 * config/sh/predicates.md (binary_float_operator,
17122 binary_logical_operator, commutative_float_operator,
17123 equality_comparison_operator, greater_comparison_operator,
17124 less_comparison_operator, logical_operator,
17125 noncommutative_float_operator, shift_operator,
17126 symbol_ref_operand, unary_float_operator): Remove redundant
17129 2006-01-09 Jeff Law <law@redhat.com>
17131 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17132 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17133 now unused arguments. Callers updated.
17134 (eliminate_redundant_computations): Remove now unused arguments,
17136 (local_fold): Remove, no longer used.
17137 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17139 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17140 (simplify_cond): New function.
17141 (forward_propagate_into_cond): Call simplify_cond.
17143 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17145 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17146 (*vec_extractv2di_1_sse): New.
17148 2006-01-09 Ben Elliston <bje@au.ibm.com>
17150 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17152 2006-01-08 Richard Guenther <rguenther@suse.de>
17154 * tree-ssa-structalias.c (get_constraint_for): Remove
17155 anyoffset argument.
17156 (get_constraint_for_component_ref): Likewise.
17157 (do_deref): Likewise.
17158 (get_constraint_for): Likewise.
17159 (do_structure_copy): Likewise.
17160 (handle_ptr_arith): Likewise.
17161 (find_func_aliases): Likewise. Remove unused need_anyoffset
17164 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17165 Kaz Kojima <kkojima@gcc.gnu.org>
17167 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17168 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17169 (EXTRA_CONSTRAINT_C16): Remove.
17170 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17171 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17172 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17173 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17174 constants of SHmedia. Handle nested constant expressions of
17176 (andcosts): Fix the costs for SHmedia constants.
17177 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17178 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17179 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17180 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17181 (movv4hi_i, movv2si_i): Likewise.
17182 (movsi_const): Adjust the second operand of ior so to match with
17183 the Csu constraint.
17184 (movdi_const, movdi_const_32bit): Likewise.
17185 (movdi_const_16bit+1): Don't sign-extend LOW.
17186 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17188 (*double_shori): Fix the split condition. Use GEN_INT instead
17189 of get_int_mode calls. Mask lower 16-bit of the argument of
17191 (sym2GOTPLT): Remove.
17192 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17194 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17195 instead of EXTRA_CONSTRAINT_C16.
17197 2006-01-07 Ian Lance Taylor <ian@airs.com>
17198 David Edelsohn <edelsohn@gnu.org>
17200 PR rtl-optimization/25662
17201 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17202 for constant operands instead of simplify_gen_binary.
17203 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17204 after trying simplify_binary_operation
17206 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17208 * tree.c (iterative_hash_expr): Hash decls based on UID.
17210 2006-01-06 Eric Christopher <echristo@apple.com>
17212 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17213 (TARGET_UNWIND_EMIT): Fix spelling.
17214 * target.h (gcc_target): Add except_table_label.
17215 * except.c (output_function_exception_table): Use.
17216 * varasm.c (default_emit_except_table_label): New.
17217 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17219 (asm_out): Add here.
17220 * output.h (default_emit_except_table_label): Prototype.
17221 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17222 * config/darwin.c (darwin_emit_except_table_label): Define.
17223 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17225 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17227 PR tree-optimization/18527
17228 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17229 number_of_iterations_special, number_of_iterations_exit):
17230 Move base and step of an iv to a single structure. Add
17231 no_overflow flag, and use it in # of iterations analysis.
17232 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17233 folded_casts argument.
17234 (simple_iv): Pass base and step in a structure. Set no_overflow
17236 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17237 Evaluate expensiveness of computing # of iterations instead of
17238 the final expression.
17239 * tree-scalar-evolution.h (affine_iv): New structure.
17240 (simple_iv): Declaration changed.
17241 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17242 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17243 find_givs_in_stmt): Changed due to simple_iv change.
17245 2006-01-06 Jeff Law <law@redhat.com>
17248 * tree-cfg.c (bsi_replace): Rename final argument from
17249 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17250 change (stmt -> orig_stmt).
17251 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17252 (bsi_remove): Add new argument. Remove EH information
17254 (verify_eh_throw_table_statements): New function.
17255 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17257 * tree-optimize.c (execute_free_cfg_annotations): Verify
17258 the EH throw statement table after removing annotations.
17259 * except.h (verify_eh_throw_table_statements): Prototype.
17260 * tree-flow.h (bsi_remove): Update prototype.
17261 * tree-vrp.c (remove_range_assertions): Add new argument to
17263 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17264 * tree-complex.c (expand_complex_div_wide): Likewise.
17265 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17266 * tree-tailcall.c (eliminate_tailcall): Likewise.
17267 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17268 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17269 * tree-nrv.c (tree_nrv): Likewise.
17270 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17271 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17272 (combine_blocks): Likewise.
17273 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17274 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17275 (cleanup_control_flow): Likewise.
17276 (remove_forwarder_block): Likewise.
17277 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17278 * tree-sra.c (sra_replace): Likewise.
17279 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17280 (forward_propagate_single_use_vars): Likewise.
17281 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17282 * tree-inline.c (expand_call_inline): Likewise.
17283 * tree-vect-transform.c (vect_transform_loop): Likewise.
17284 * tree-outof-ssa.c (rewrite_trees): Likewise.
17285 * tree-cfg.c (make_goto_expr_edges): Likewise.
17286 (cleanup_dead_labels): Likewise.
17287 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17288 (bsi_move_before, bsi_move_after): Likewise.
17289 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17290 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17292 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17295 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17297 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17298 on non gimple variables. Also add checks at the top for decls and
17300 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17302 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17303 and IMAGPART_EXPR for creating MUST_DEFs.
17304 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17305 and NAME_MEMORY_TAG separately from the DECLs.
17307 2006-01-06 Richard Guenther <rguenther@suse.de>
17309 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17310 annotation, if necessary.
17311 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17312 redundant calls to update_stmt.
17313 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17316 2006-01-05 Richard Henderson <rth@redhat.com>
17318 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17320 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17322 * c-typeck.c: Update copyright date.
17324 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17326 * c-typeck.c (build_c_cast): Always warn when casting
17327 from a pointer to an integer of different size, even if
17328 the node was constant.
17330 2006-01-05 Richard Guenther <rguenther@suse.de>
17332 PR tree-optimization/22555
17333 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17334 if one structure field is an array.
17335 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17336 operands even if we found a subvar, but ignore VOPs in this
17338 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17340 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17342 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17344 PR middle-end/24998
17345 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17347 2006-01-05 Richard Guenther <rguenther@suse.de>
17348 Diego Novillo <dnovillo@redhat.com>
17350 * tree-pass.h (TODO_remove_unused_locals): Define.
17351 * gimple-low.c (expand_var_p, remove_useless_vars,
17352 pass_remove_useless_vars): Remove. Update all users.
17353 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17354 (remove_unused_locals): New function.
17355 * tree-flow.h (remove_unused_locals): Declare.
17356 * passes.c (execute_todo): Call remove_unused_locals if
17357 TODO_remove_unused_locals is set.
17358 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17359 * tree-ssa-dce.c (pass_dce): Likewise.
17360 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17362 2006-01-05 Richard Guenther <rguenther@suse.de>
17364 * tree-flow.h (struct fieldoff): Decompose field to
17365 type, size and decl.
17366 * tree-ssa-alias.c (create_sft): Take type as parameter.
17367 (create_overlap_variables_for): Store type, size and decl
17368 in the fieldoff structure.
17369 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17370 of struct fieldoff.
17371 (push_fields_onto_fieldstack): Likewise.
17372 (create_variable_info_for): Likewise. Use offset for the
17373 SFT name if the decl is not available.
17375 2006-01-04 Paul Brook <paul@codesourcery.com>
17377 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17379 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17381 * lambda-code.c (can_put_in_inner_loop): Relax
17383 (can_put_after_inner_loop): New function.
17384 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17385 (perfect_nestify): Change to make copies and modify uses.
17387 2006-01-04 Richard Henderson <rth@redhat.com>
17389 Merge from gomp branch:
17390 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17391 via integer constant.
17392 (pragma_lex): Remove.
17393 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17394 rather than parsing it.
17395 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17396 handle_pragma_extern_prefix): Add %< %> quotes.
17397 (registered_pragmas): New.
17398 (c_register_pragma_1): New.
17399 (c_register_pragma): Use it.
17400 (c_register_pragma_with_expansion): Likewise.
17401 (c_invoke_pragma_handler): New.
17402 (init_pragma): Use cpp_register_deferred_pragma directly for
17404 * c-pragma.h (enum pragma_kind): New.
17405 (pragma_handler): New.
17406 (c_invoke_pragma_handler): Declare.
17407 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17409 * c-common.h (c_common_pch_pragma): Update decl.
17410 * Makefile.in (c-parser.o): Update dependencies.
17411 (GTFILES): Add c-pragma.h.
17412 * c-parser.c (struct c_token): Add pragma_kind.
17413 (struct c_parser): Add in_pragma.
17414 (c_lex_one_token): Always initialize keyword and pragma_kind.
17415 Extract data for CPP_PRAGMA.
17416 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17417 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17418 Don't allow CPP_PRAGMA_EOL if in_pragma.
17419 (c_parser_consume_pragma): New.
17420 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17421 (c_parser_skip_to_end_of_parameter): Likewise.
17422 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17423 (c_parser_skip_to_pragma_eol): New.
17424 (c_parser_external_declaration): Handle CPP_PRAGMA.
17425 (c_parser_compound_statement_nostart): Likewise.
17426 (c_parser_statement_after_labels): Likewise.
17427 (c_parser_pragma): New.
17428 (pragma_lex): Likewise.
17429 (c_parser_pragma_pch_preprocess): New.
17430 (c_parser_new): Merge into ...
17431 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17433 2006-01-04 Jeff Law <law@redhat.com>
17436 * tree-cfg.c (bsi_replace): Remove the original statement
17437 from the EH throw statement table.
17439 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17441 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17442 make the prototype extern "C" and add throw ().
17445 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17446 and pos non-negative and pos + len <= 32.
17447 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17448 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17449 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17452 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17453 as well as sizes not multiple of component size.
17456 * function.c (instantiate_expr): New function.
17457 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17458 walk its DECL_VALUE_EXPR with instantiate_expr.
17460 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17461 DW_OP_deref{,_size} if address isn't going to be added.
17463 2006-01-04 Ben Elliston <bje@au.ibm.com>
17465 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17466 * config/fp-bit.c: Likewise.
17468 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17470 * dominance.c: Add comment about why we use DFS numbering
17473 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17474 Richard Henderson <rth@redhat.com>
17476 Merge from gomp-branch:
17477 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17478 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17480 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17482 PR rtl-optimization/25578
17483 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17484 pass a parameter to simplify_shift_const if changing ASHIFTRT
17487 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17489 * builtins.c (get_builtin_sync_mem): New function.
17490 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17491 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17492 Call get_builtin_sync_mem to generate mem rtx.
17494 2006-01-03 Richard Guenther <rguenther@suse.de>
17497 * stmt.c (add_case_node): Make sure to clear overflow flags
17500 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17502 Merge from gomp-branch.
17503 * config/sparc/sync.md: New file.
17504 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17505 UNSPECV_LDSTUB): New constants.
17506 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17507 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17508 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17511 2006-01-03 Roger Sayle <roger@eyesopen.com>
17513 * combine.c (reg_subword_p): New predicate to test whether the
17514 destination of a set refers to a subword/piece of a register.
17515 (try_combine): Generalize the code to merge the setting of a
17516 pseudo to a constant followed by a set of a subword of that
17517 register to a constant.
17519 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17521 * basic-block.h (control_flow_graph): Change the type of
17522 x_label_to_block_map to VEC(basic_block,gc) *.
17523 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17524 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17526 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17527 VEC(basic_block,heap) *.
17528 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17529 ssa_prop_fini): Adjust the uses of cfg_blocks.
17531 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17533 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17535 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17536 hashing trees instead of a pointer hash.
17537 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17538 compare for MEM_EXPR.
17540 PR rtl-optimization/25130
17541 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17542 when comparing MEMs for GCSE
17544 2006-01-03 Ben Elliston <bje@au.ibm.com>
17546 * targhooks.h (default_decimal_float_supported_p): Declare.
17547 * targhooks.c (default_decimal_float_supported_p): Define.
17548 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17549 `default_decimal_float_supported_p'.
17550 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17552 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17554 * combine.c (apply_distributive_law <SUBREG>): Check
17555 TRULY_NOOP_TRUNCATION.
17557 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17559 * dwarf2out.c (have_switched_text_section): Delete.
17560 (have_multiple_function_sections): New.
17561 (have_location_lists): Make 'bool'.
17562 (add_AT_loc_list): Use 'true' not '1'.
17563 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17564 (output_loc_list): Use have_multiple_function_sections.
17565 (output_ranges): Likewise.
17566 (dwarf2out_begin_function): Set have_multiple_function_sections if
17568 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17569 Check function_section rather than DECL_SECTION_NAME.
17570 (dwarf2out_finish): Use have_multiple_function_sections.
17571 Don't clear have_location_lists.
17573 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17574 Jan Hubicka <jh@suse.cz>
17576 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17577 case of conditional jump jumping to the next instruction.
17578 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17579 cases of conditional jump jumping to the next instruction.
17581 2006-01-02 Jan Hubicka <jh@suse.cz>
17583 * i386.c (*_cost): Add COSTS_N_INSNS.
17584 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17586 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17589 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17591 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17593 * config/arm/arm.c (all_fpus): Fix comment typo.
17594 * config/darwin.c: Likewise.
17595 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17596 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17597 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17599 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17601 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17602 (rs6000_split_compare_and_swapqhi): New.
17603 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17604 (sync_compare_and_swapqhi_internal): New.
17605 * config/rs6000/rs6000-protos.h: Declare.