1 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5 as a valid 80387 constant.
6 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
7 * config/i386/i386.md (unnamed splitter): Split the load of
8 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
11 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
13 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
14 from the soft-frame, argument and virtual registers.
16 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
18 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
19 patterns for standard 80387 constants.
21 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
22 Steven Bosscher <steven@gcc.gnu.org>
25 * Makefile.in: Add fwprop.o.
26 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
27 * passes.c (init_optimization_passes): Schedule forward propagation.
28 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
30 * timevar.def (TV_FWPROP): New.
31 * common.opt (-fforward-propagate): New.
32 * opts.c (decode_options): Enable forward propagation at -O2.
33 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
34 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
35 canon_for_address, table_size): Remove.
36 (new_basic_block, insert, remove_from_table): Remove references to
38 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
39 simplification loop more straightforward by not calling fold_rtx
41 (equiv_constant): Move here a small part of fold_rtx_subreg,
42 do not call fold_rtx. Call avoid_constant_pool_reference
44 * recog.h (canonicalize_change_group): New.
46 * doc/invoke.texi (Optimization Options): Document fwprop.
47 * doc/passes.texi (RTL passes): Document fwprop.
49 2006-11-03 Geoffrey Keating <geoffk@apple.com>
51 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
52 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
53 (grokdeclarator): Likewise.
55 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
57 * tree-dump.c (dump_enable_all): Rename local variable
58 ir_type to avoid name conflicts.
59 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
60 instead of using ir_type().
61 * profile.c (tree_register_profile_hooks): Likewise.
62 * value-prof.c (tree_register_value_prof_hooks): Likewise.
63 * basic-block.h (struct edge_def): Likewise.
64 * config/arm/arm.c (legitimize_pic_address): Likewise.
65 * coretypes.h (ir_type): New enum of all intermediate languages
67 * cfghooks.c (ir_type): Rename to...
68 (current_ir_type): ...this. Distinguish between cfgrtl and
69 cfglayout mode when the current IR is RTL. Return enum ir_type.
70 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
72 2006-11-03 Paul Brook <paul@codesourcery.com>
74 * config/arm/arm.c (arm_file_start): New function.
75 (TARGET_ASM_FILE_START): Define.
76 (arm_default_cpu): New variable.
77 (arm_override_options): Set arm_default_cpu.
79 2006-11-03 David Ung <davidu@mips.com>
81 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
82 PROCESSOR_24KC and PROCESSOR_24KF.
83 * config/mips/mips.c (mips_cpu_info_table): Add processor names
84 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
85 (mips_rtx_cost_data): Add costs for the 24kc.
86 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
87 * config/mips/24k.md: Remove references to 24k and replace with
88 uses of 24kc/24kf in the appropriate reservations.
89 * doc/invoke.texi (MIPS Options): Updated.
91 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
93 * config/sh/crt1.asm: Fix #ifdef indent.
95 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
96 Merged from STMicroelectronics sources:
97 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
98 * config/sh/crt1.asm (vbr_600): Add missing #if.
99 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
100 * sh.opt (mfused-madd): New option.
101 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
102 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
103 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
104 Remove pointless handler at VBR+0.
105 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
106 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
107 fr7. Make sure the timer handler is called with the correct FPU
108 precision setting, according to the ABI.
109 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
110 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
111 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
112 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
113 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
114 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
115 zero as second operand.
116 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
117 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
118 Fixed some bugs related to negative values, in particular -0
119 and overflow at -0x80000000.
120 * config/sh/divcost-analysis: Added sh4-300 figures.
121 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
122 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
123 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
124 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
125 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
126 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
128 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
130 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
131 SH4-300 scheduling description & fixes to SH4-[12]00 description:
132 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
133 mac_mem, mem_mac, dfp_mul, fp_cmp.
134 (insn_class, dfp_comp, any_fp_comp): Update.
135 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
136 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
137 (muldf3_i): Likewise.
138 (movsi_i): Split rI08 alternative into two separate alternatives.
140 (movsi_ie, movsi_i_lowpart): Likewise.
141 (movqi_i): Split ri alternative into two separate alternatives.
143 * sh1.md (sh1_load_store, sh1_fp): Update.
144 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
145 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
146 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
147 (sh4a_fp_double_arith): Likewise.
148 * sh4-300.md: New file.
149 * sh.c (sh_handle_option): Handle m4-300* options.
150 (sh_adjust_cost): Fix latency of auto-increments.
151 Handle SH4-300 differently than other SH4s. Check for new insn types.
152 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
153 been set by an option.
154 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
155 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
156 (mbranch-cost=): Likewise.
157 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
159 * sh.md (mulsf3): Remove special expansion code.
160 (mulsf3_ie): Now a define_insn_and_split.
161 (macsf3): Allow for TARGET_SH4.
163 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
164 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
165 (expand_cbranchdi4): Likewise.
166 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
167 CONST_DOUBLE if the outer code is COMPARE.
168 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
169 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
170 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
171 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
172 Remove redundant fp_{zero,one}_operand checks.
173 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
174 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
175 (expand_cbranchdi4): Likewise.
176 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
177 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
179 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
181 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
184 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
186 * doc/invoke.texi: Fix mfp-trap-mode typo.
188 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
190 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
191 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
192 file_end_indicate_exec_stack.
193 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
195 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
196 for a non-executable stack.
197 * crti.asm: Likewise.
198 * crtn.asm: Likewise.
199 * libunwind.S: Likewise.
201 2006-11-02 Ben Elliston <bje@au.ibm.com>
203 * tree-ssa.c (warn_uninit): Use expand_location variables for
204 locus and declaration locus.
206 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
209 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
210 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
211 cmp{eq,gt,gtu}{si,di}_media.
212 (*cmpne0si_media): Remove.
213 (*movsicc_umin): Adjust gen_cmp*_media call.
214 (unordered): Change the mode of unordered and operands[1] to
216 (seq): Adjust gen_cmp*_media calls. Make the mode of
217 a temporary result of compare SImode if needed. If the mode
218 of operands[0] is DImode, extend the temporary result to DImode.
219 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
220 (sunorderd): Change the mode of match_operand and unorderd to
222 (cmpeq{sf,df}_media): Remove.
223 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
224 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
225 and compare operation to SImode.
227 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
229 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
231 (sparc64-sun-solaris2*): Likewise.
233 2006-11-02 Paul Brook <paul@codesourcery.com>
235 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
236 from priority argument. Use different section for non-default
238 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
240 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
243 * except.c (switch_to_exception_section): Do not cache the section
244 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
245 and flag_function_sections is set.
247 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
250 * builtins.c (do_mpfr_sincos): New.
251 (fold_builtin_1): Use it to fold builtin sincos.
253 2006-11-01 Roger Sayle <roger@eyesopen.com>
255 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
256 it into -D_REENTRANT.
258 2006-11-01 Roger Sayle <roger@eyesopen.com>
260 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
261 whether the assembler supports taking the difference of symbols in
262 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
263 * configure: Regenerate.
264 * config.in: Regenerate.
265 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
266 the assembler doesn't support taking the difference of symbols in
267 different sections, i.e. we're using the native solaris assembler.
269 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
270 Peter Bergner <bergner@vnet.ibm.com>
272 * doc/invoke.texi: Add cpu_type power6x
273 (RS/6000 and PowerPC Options): Add -mmfpgpr.
274 * config.gcc: Add cpu_type power6x.
275 * configure.ac: Add test for mf{t,f}gpr instructions.
276 (HAVE_AS_MFPGPR): New.
277 * config.in: Regenerate.
278 * configure: Regenerate.
279 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
280 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
281 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
282 and mftgpr attributes.
283 (define_attr "cpu"): Add power6.
284 Change instruction sequences to use new attributes.
285 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
286 (fix_truncdfsi2_mfpgpr): New.
287 (floatsidf_ppc64_mfpgpr): New.
288 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
289 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
290 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
291 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
292 (fix_truncdfsi2): Use gpc_reg_operand constraint.
293 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
294 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
295 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
296 cntlz,exts and var_delayed_compare.
297 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
298 _ARCH_PWR6X, if features enabled.
299 * config/rs6000/rs6000.opt (mmfpgpr): New.
300 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
301 (cached_can_issue_more): New variable.
302 (processor_costs): Add power6_cost.
303 (rs6000_sched_init): New function.
304 (is_dispatch_slot_restricted): Deleted.
305 (set_to_load_agen): New function.
306 (is_load_insn,is_store_insn): New functions.
307 (adjacent_mem_locations): New function.
308 (insn_must_be_first_in_group): New function.
309 (insn_must_be_last_in_group): New function.
310 (rs6000_sched_reorder): New function.
311 (rs6000_sched_reorder2): New function.
312 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
313 TARGET_SCHED_REORDER2): Define.
314 (processor_target_table): Use PROCESSOR_POWER6 for power6.
315 Add power6x. Add MASK_MFPGPR for power6x.
316 (POWERPC_MASKS): Add MASK_MFPGPR.
317 (rs6000_override_options): Set rs6000_always_hint to false
318 for power6. Set rs6000_align_branch_targets. Replace
319 rs6000_sched_groups check with rs6000_align_branch_targets.
320 Use PROCESSOR_POWER6.
321 (last_scheduled_insn): New variable.
322 (load_store_pendulum): New variable.
323 (rs6000_variable_issue): Set last_scheduled_insn and
324 cached_can_issue_more.
325 (rs6000_adjust_cost): Add power6 cost adjustments.
326 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
327 with insn_must_be_first_in_group. Add power6 priority adjustments.
328 (rs6000_issue_rate): Add CPU_POWER6.
329 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
330 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
331 (TARGET_MFPGPR): New.
332 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
333 (ASM_CPU_SPEC): Add power6x.
334 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
336 * config/rs6000/power6.md: New file.
338 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
340 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
341 HOST_WIDE_INT_PRINT to print high and low parts. Use
342 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
343 printing a hexadecimal number prefix it with 0x.
345 2006-11-01 Chris Johns <chris@contemporary.net.au>
348 * Makefile.in (install-driver): Use exeext when installing
349 $target-gcc-$version.
351 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
353 * c-common.c (flag_cpp0x): New.
354 * c-common.h (flag_cpp0x): New.
355 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
356 supported, define __GXX_EXPERIMENTAL_CPP0X__.
357 * c-opts.c (set_std_cxx0x): New.
358 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
359 * c.opt (std=c++0x): Document.
360 (std=gnu++0x): Ditto.
361 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
362 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
364 2006-11-01 Richard Guenther <rguenther@suse.de>
366 * config/i386/i386.c (ix86_expand_rint): Fix issues with
368 (ix86_expand_floorceildf_32): Likewise.
369 (ix86_expand_floorceil): Likewise.
370 (ix86_expand_trunc): Likewise.
372 2006-10-31 Andrew Pinski <pinskia@gmail.com>
374 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
377 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
379 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
381 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
383 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
385 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
386 * configure.ac (use_cxa_atexit): As a special case, don't test
387 for libc definition of __cxa_atexit on mingw32
388 * configure: Regenerate.
389 * config.gcc (i[34567]86-pc-mingw32): Default to
390 enable__cxa_atexit=yes.
392 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
396 2006-10-31 Geoffrey Keating <geoffk@apple.com>
399 * c-decl.c (start_struct): Don't create self-containing
401 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
403 * config/rs6000/rs6000-protos.h
404 (darwin_rs6000_special_round_type_align): New.
405 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
406 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
408 2006-10-31 Geoffrey Keating <geoffk@apple.com>
410 * toplev.c (compile_file): Call final_write_globals
411 even if there have been errors.
413 2006-10-31 Eric Christopher <echristo@apple.com>
414 Falk Hueffner <falk@debian.org>
416 * doc/extend.texi (__builtin_bswap32): Document.
417 (__builtin_bswap64): Ditto.
418 * doc/libgcc.texi (bswapsi2): Document.
420 * doc/rtl.texi (bswap): Document.
421 * optabs.c (expand_unop): Don't widen a bswap.
422 (init_optabs): Init bswap. Set libfuncs explicitly
423 for bswapsi2 and bswapdi2.
424 * optabs.h (OTI_bswap): New.
425 (bswap_optab): Ditto.
426 * genopinit.c (optabs): Handle bswap_optab.
427 * tree.h (tree_index): Add TI_UINT32_TYPE and
429 (uint32_type_node): New.
430 (uint64_type_node): Ditto.
431 * tree.c (build_common_tree_nodes_2): Initialize
432 uint32_type_node and uint64_type_node.
433 * builtins.c (expand_builtin_bswap): New.
434 (expand_builtin): Call.
435 (fold_builtin_bswap): New.
436 (fold_builtin_1): Call.
437 * fold-const.c (tree_expr_nonnegative_p): Return true
439 * builtin-types.def (BT_UINT32): New.
441 (BT_FN_UINT32_UINT32): Ditto.
442 (BT_FN_UINT64_UINT64): Ditto.
443 * builtins.def (BUILT_IN_BSWAP32): New.
444 (BUILT_IN_BSWAP64): Ditto.
445 * rtl.def (BSWAP): New.
446 * genattrtab.c (check_attr_value): New.
447 * libgcc2.c (__bswapSI2): New.
449 * libgcc2.h (__bswapSI2): Declare.
451 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
452 * simplify-rtx.c (simplify_const_unary_operation): Return
454 * libgcc-std.ver (__bwapsi2): Add.
456 * reload1.c (eliminate_regs_1): Add bswap.
457 (elimination_effects): Ditto.
458 * config/i386/i386.h (x86_bswap): New.
460 * config/i386/i386.c (x86_bswap): Set.
462 2006-10-31 Geoffrey Keating <geoffk@apple.com>
464 * coverage.c (coverage_checksum_string): Update comment.
465 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
466 of get_file_function_name.
467 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
468 of get_file_function_name_long.
469 * tree.c (get_file_function_name): Rename from
470 get_file_function_name_long; improve comment; handle 'I' and 'D'
471 specially when the target has ctor/dtor support; remove special
473 (get_file_function_name): Remove.
474 * tree.h (get_file_function_name): Rename from
475 get_file_function_name_long.
476 (get_file_function_name): Remove prototype.
478 2006-10-31 Geoffrey Keating <geoffk@apple.com>
480 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
481 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
483 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
484 Call dsymutil when compiling and linking one or more source files
487 2006-10-31 Geoffrey Keating <geoffk@apple.com>
490 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
492 2006-10-31 Geoffrey Keating <geoffk@apple.com>
494 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
495 inline static functions in c99 mode.
498 * doc/extend.texi (Inline): Update.
499 * c-tree.h (struct language_function): Remove field 'extern_inline'.
500 * c-decl.c (current_extern_inline): Delete.
501 (pop_scope): Adjust test for an undefined nested function.
502 Add warning about undeclared inline function.
503 (diagnose_mismatched_decls): Update comments. Disallow overriding
504 of inline functions in a translation unit in C99. Allow inline
505 declarations in C99 at any time.
506 (merge_decls): Boolize variables. Handle C99 'extern inline'
508 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
509 C99 inline semantics.
510 (start_function): Don't clear current_extern_inline. Don't set
512 (c_push_function_context): Don't push current_extern_inline.
513 (c_pop_function_context): Don't restore current_extern_inline.
516 * c-typeck.c (build_external_ref): Warn about static variables
517 used in extern inline functions.
518 * c-decl.c (start_decl): Warn about static variables declared
519 in extern inline functions.
521 2006-10-31 Roger Sayle <roger@eyesopen.com>
524 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
525 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
526 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
527 or y is an even integer.
529 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
532 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
533 * gthr-posix95.h (__gthread_active_p): Likewise.
535 2006-10-31 Richard Guenther <rguenther@suse.de>
537 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
538 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
539 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
540 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
541 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
542 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
543 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
544 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
547 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
549 * opts.c (decode_options): Disable CSE skip blocks.
551 2006-10-30 Dirk Mueller <dmueller@suse.de>
553 * c-common.h (strict_aliasing_warning): Fix whitespace.
554 * c-decl (start_function): Move code for main decl warning ..
555 * c-common.c (check_main_parameter_types): .. here.
556 * c-common.h (check_main_parameter_types): Declare.
558 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
561 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
563 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
565 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
566 be a PARALLEL containing sets. Return false when out_pat is not
569 2006-10-30 Richard Sandiford <richard@codesourcery.com>
571 * config/mips/mips.md (mul<mode>3): Split into...
572 (mulsi3, muldi3): ...these separate patterns.
574 2006-10-30 Richard Sandiford <richard@codesourcery.com>
576 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
577 but with each set of options separated by spaces.
579 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
581 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
582 dwarf_reg_size_table has been initialized.
584 2006-10-30 Roger Sayle <roger@eyesopen.com>
586 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
587 * ddg.c (print_ddg_edge): Likewise.
588 * dwarf2out.c (prune_unused_types_walk): Likewise.
589 * ifcvt.c (noce_try_cmove_arith): Likewise.
590 * langhooks.c (add_builtin_function): Likewise.
591 * reg-stack.c (subst_stack_regs_pat): Likewise.
592 * tree.c (expanded_location): Likewise.
593 * tree-dump.c (dequeue_and_dump): Likewise.
595 2006-10-30 David Daney <ddaney@avtrex.com>
597 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
599 2006-10-30 Jakub Jelinek <jakub@redhat.com>
601 PR tree-optimization/29637
602 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
603 of the innertype is the innertype itself.
605 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
607 * dwarf2out.c (file_name_acquire): Correct typo.
609 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
611 * tree.h (tree_value_handle): Remove struct value_set declaration.
612 Change value_set to bitmap_set.
613 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
614 * tree-vn.c (get_value_handle): Made inline and moved to
616 * tree-flow-inline.h: (has_stmt_ann): New function.
617 * tree-ssa-pre.c (expressions): New variable.
618 (next_expression_id): Ditto.
619 (alloc_expression_id): New function.
620 (struct value_set): Remove.
621 (get_expression_id): New function.
622 (get_or_alloc_expression_id): Ditto.
623 (expression_for_id): Ditto.
624 (clear_expression_ids): Ditto.
625 (FOR_EACH_EXPR_ID_IN_SET): New macro.
626 (bb_value_sets): Renamed to bb_bitmap_sets.
627 All value sets replaced with bitmap_sets.
629 (BB_VISITED): New macro.
630 (postorder): New variable.
631 (add_to_value): Removed.
632 (value_exists_in_set_bitmap): Ditto.
633 (value_insert_into_set_bitmap): Ditto.
637 (set_contains_value): Ditto.
638 (insert_into_set): Ditto.
640 (find_leader): Ditto.
641 (bitmap_set_subtract_from_value_set): Ditto.
642 (value_insert_into_set): Ditto.
643 (print_value_set): Ditto.
644 (debug_value_set): Ditto.
645 (constant_expr_p): New function.
646 (bitmap_remove_from_set): Ditto.
647 (bitmap_insert_into_set): Ditto.
648 (bitmap_set_free): Ditto.
650 (sorted_array_from_bitmap_set): Ditto.
651 (bitmap_set_subtract): Ditto.
652 (bitmap_set_equal): Ditto.
653 (debug_bitmap_set): Ditto.
654 (find_leader_in_sets): Ditto.
655 (bitmap_set_replace_value): Modify for bitmapped sets.
656 (phi_translate): Ditto.
657 (phi_translate_set): Ditto.
658 (bitmap_find_leader): Ditto.
659 (valid_in_sets): Ditto.
660 (union_contains_value): Ditto.
662 (compute_antic_aux): Ditto. Mark changed blocks.
663 (compute_antic): Ditto. Iterate in postorder and only over
665 (compute_rvuse_and_antic_safe): Reuse postorder.
666 (create_component_ref_by_pieces): Modify for bitmapped sets.
667 (find_or_generate_expression): Ditto.
668 (create_expression_by_pieces): Ditto.
669 (insert_into_preds_of_block): Ditto.
670 (changed_blocks): New variable.
671 (do_regular_insertion): Broken out from insert_aux.
672 (insert_aux): Modified for bitmapped sets.
673 (find_existing_value_expr): New function.
674 (create_value_expr_from): Use it.
675 (insert_extra_phis): Removed.
676 (print_bitmap_set): Renamed from bitmap_print_value_set.
677 (compute_avail): Handle RETURN_EXPR.
678 (init_pre): Modify for bitmapped sets.
679 * tree-flow.h (has_stmt_ann): New function.
681 2006-10-29 Roger Sayle <roger@eyesopen.com>
683 * builtins.c (fold_builtin_floor): Check for the availability of
684 the C99 trunc function before transforming floor into trunc.
686 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * builtins.c (fold_builtin_hypot): Rearrange recursive
689 transformation before others, and also do ABS_EXPR. When
690 necessary, check flag_unsafe_math_optimizations. When necessary,
693 2006-10-29 Roger Sayle <roger@eyesopen.com>
695 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
696 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
697 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
698 Fold -X eq/ne -Y as X eq/ne Y.
700 2006-10-29 Richard Sandiford <richard@codesourcery.com>
702 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
703 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
704 rather than GENERATE_MULT3_SI in the various define_peephole2s.
705 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
706 Use an inclusive test for "mult" rather than "mul".
707 (rotr<mode>3): Depend on ISA_HAS_ROR.
708 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
710 (GENERATE_MULT3_DI): Delete.
711 (ISA_HAS_64BIT_REGS): Use consistent formatting.
712 (ISA_HAS_MUL3): New macro.
713 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
714 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
715 (ISA_HAS_CLZ_CLO): Likewise.
716 (ISA_HAS_DCLZ_DCLO): Delete.
717 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
718 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
719 the VR4120 and VR4130.
720 (ISA_HAS_MACCHI): Use consistent formatting.
721 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
722 (ISA_HAS_ROR): ...this new macro.
723 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
724 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
725 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
727 2006-10-29 Roger Sayle <roger@eyesopen.com>
729 PR tree-optimization/15458
730 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
733 2006-10-29 Richard Guenther <rguenther@suse.de>
735 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
736 (ix86_expand_truncdf_32): Likewise.
737 * config/i386/i386.c (ix86_expand_trunc): New function expanding
738 trunc inline for SSE math and -fno-trapping-math and if not
740 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
741 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
742 for expanding btrunc inline for SSE math.
744 2006-10-29 Joseph Myers <joseph@codesourcery.com>
746 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
747 Handle tuning for bi-arch i[34567]86-*-linux* like that for
748 i[34567]86-*-solaris2.1[0-9]*.
749 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
750 Define conditionally depending on TARGET_64BIT_DEFAULT.
751 (SPEC_32, SPEC_64): Define.
752 (LINK_SPEC): Use them.
753 * doc/install.texi (--enable-targets=all): Document for x86-linux.
755 2006-10-29 Richard Guenther <rguenther@suse.de>
757 * config/i386/i386-protos.h (ix86_expand_round): Declare.
758 (ix86_expand_rounddf_32): Likewise.
759 * config/i386/i386.c (ix86_expand_round): New function expanding
760 round inline for SSE math and -fno-trapping-math and if not
762 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
763 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
764 round via ix86_expand_round.
766 2006-10-29 Richard Guenther <rguenther@suse.de>
768 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
769 (ix86_expand_floorceildf_32): Likewise.
770 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
771 static helper function.
772 (ix86_expand_floorceil): Expander for floor and ceil to SSE
774 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
775 * config/i386/i386.md (floordf2): Adjust to enable floor
776 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
777 -fno-trapping-math is enabled and if not optimizing for size.
778 (floorsf2, ceildf2, ceilsf2): Likewise.
779 * config/i386/sse.md (sse_maskcmpsf3): New insn.
780 (sse2_maskcmpdf3): Likewise.
782 2006-10-29 Richard Guenther <rguenther@suse.de>
784 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
785 rint in case -fno-trapping-math is enabled.
786 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
787 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
788 (ix86_expand_sse_fabs): Likewise.
789 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
790 * config/i386/i386.md (rintdf2): Enable for SSE math if
791 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
794 2006-10-29 Richard Guenther <rguenther@suse.de>
796 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
797 to conversion optabs.
798 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
800 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
801 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
802 (lfloor_optab, lceil_optab): Adjust defines.
803 * builtins.c (expand_builtin_int_roundingfn): Adjust for
804 lfloor and lceil optabs now being conversion optabs.
805 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
806 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
807 New static helper function.
808 (ix86_expand_lfloorceil): New function to expand lfloor and
810 * config/i386/i386.md (lfloor<mode>2): Split into ...
811 (lfloorxf<mode>2): ... x87 variant
812 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
813 using ix86_expand_lfloorceil.
814 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
816 * doc/md.texi (lfloorMN, lceilMN): Document.
818 2006-10-29 Richard Sandiford <richard@codesourcery.com>
820 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
821 -mno-shared assembler option on mips targets.
822 * configure, config.in: Regenerate.
823 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
824 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
825 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
827 2006-10-29 Richard Sandiford <richard@codesourcery.com>
829 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
830 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
832 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
834 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
835 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
838 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
841 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
842 (fold_builtin_pow): Evaluate constant arguments at compile-time
844 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
845 (do_mpfr_ckconv): New helper function.
846 (do_mpfr_arg1): Use do_mpfr_ckconv.
849 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
852 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
853 (-fdump-rtl-sched): Rename to ..
854 (-fdump-rtl-sched1): here. Also fix file extension number.
856 2006-10-28 Richard Guenther <rguenther@suse.de>
858 * fold-const.c (maybe_canonicalize_comparison): Fix code
861 2006-10-28 Uros Bizjak <uros@kss-loka.si>
863 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
864 (NON_QI_REG_P): Use IN_RANGE.
865 (REX_INT_REGNO_P): Use IN_RANGE.
866 (FP_REGNO_P): Use IN_RANGE.
867 (SSE_REGNO_P): Use IN_RANGE.
868 (REX_SSE_REGNO_P): Use IN_RANGE.
869 (MMX_REGNO_P): Use IN_RANGE.
870 (STACK_REGNO_P): New macro.
871 (STACK_REG_P): Use STACK_REGNO_P.
872 (NON_STACK_REG_P): Use STACK_REGNO_P.
873 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
874 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
875 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
876 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
877 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
879 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
881 * except.h (output_function_exception_table): Add 'const char*' param.
882 * except.c (switch_to_exception_section): Add 'const char*' param.
883 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
884 and flag_function_sections is set, use a function-specific section.
885 (output_function_exception_table): Add 'const char*' param.
886 Adjust call to switch_to_exception_section.
887 * final.c (rest_of_handle_final): Adjust calls to
888 output_function_exception_table.
889 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
890 * config.in: Regenerate.
891 * configure: Likewise.
893 2006-10-28 Richard Guenther <rguenther@suse.de>
896 * fold-const.c (maybe_canonicalize_comparison_1): Helper
897 for maybe_canonicalize_comparison.
898 (maybe_canonicalize_comparison): New function for canonicalizing
900 (fold_comparison): Call it to canonicalize comparisons with
903 2006-10-28 Richard Guenther <rguenther@suse.de>
906 * builtins.c (expand_builtin_int_roundingfn_2): Expand
907 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
908 (expand_builtin): Adjust likewise.
909 * genopinit.c (optabs[]): Add lround optab.
910 * optabs.c (init_optabs): Initialize lround_optab.
911 * optabs.h (enum convert_optab_index): Add COI_lround.
912 (lround_optab): Define.
913 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
914 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
916 (ix86_expand_lround): New function.
917 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
919 * doc/md.texi (lroundMN2): Document.
921 2006-10-28 Uros Bizjak <uros@kss-loka.si>
924 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
925 argument to HOST_WIDE_INT. Update function prototype.
926 (round_frame_size): Change return type to HOST_WIDE_INT. Change
927 "size" argument to HOST_WIDE_INT. Update function prototype.
929 2006-10-28 Uros Bizjak <uros@kss-loka.si>
931 * config/i386/i386.c (output_387_ffreep): Create output from a
932 template string for !HAVE_AS_IX86_FFREEP.
934 2006-10-27 Eric Christopher <echristo@apple.com>
936 * config/darwin.c: Fix formatting and grammar.
938 2006-10-27 Jan Hubicka <jh@suse.cz>
940 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
941 to be thrown away soon when IGNORE is set.
942 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
943 indicating when return value shall not be computed.
944 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
946 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
948 * config/i386/i386.h (TARGET_GEODE):
949 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
950 (TARGET_CPU_DEFAULT_geode): New macro.
951 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
952 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
953 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
954 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
955 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
957 (TARGET_CPU_DEFAULT_NAMES): Add geode.
958 (processor_type): Add PROCESSOR_GEODE.
960 * config/i386/i386.md: Include geode.md.
963 * config/i386/i386.c (geode_cost): New initialized global
965 (m_GEODE, m_K6_GEODE): New macros.
966 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
967 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
968 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
969 x86_schedule): Use m_K6_GEODE instead of m_K6.
970 (x86_movx, x86_cmove): Set up m_GEODE.
971 (x86_integer_DFmode_moves): Clear m_GEODE.
972 (processor_target_table): Add entry for geode.
973 (processor_alias_table): Ditto.
975 * config/i386/geode.md: New file.
977 * doc/invoke.texi: Add entry about geode processor.
979 2006-10-27 Mike Stump <mrs@apple.com>
981 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
982 __DYNAMIC__ from here back to ...
983 * config/darwin.h (CPP_SPEC): ... here.
985 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
986 Nathan Sidwell <nathan@codesourcery.com>
988 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
989 when choosing the minimum heapsize.
991 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
993 * gcc/unwind-dw2.h: Move cfa-related variables into
994 struct frame_state_reg_info to ensure that the CFA is properly
995 handled when executing DW_CFA_{remember,restore}_state.
996 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
997 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
998 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
999 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1000 gcc/config/rs6000/linux-unwind.h,
1001 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1002 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1003 Modify to use new cfa_* fields.
1005 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1007 * config/s390/s390.c (s390_init_frame_layout): Check positive
1010 2006-10-26 Ben Elliston <bje@au.ibm.com>
1012 * gimplify.c (get_name): Remove extraneous break.
1013 (gimplify_omp_for): Initialise ret with GS_OK.
1015 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1017 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1018 Add unix98.o to link line.
1020 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1023 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1024 Calculate compile-time constants using MPFR.
1025 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1026 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1028 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1030 * config/xtensa/lib2funcs.S: Use C-style comments.
1032 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1034 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1035 (file_table_relative_p): Likewise.
1036 (dwarf2out_finish): Likewise.
1037 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1039 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1041 * tree-ssa-structalias.c (intra_create_variable_infos):
1042 Don't recreate nonlocal_all if it already exists.
1044 2006-10-25 Richard Guenther <rguenther@suse.de>
1047 * optabs.h (enum optab_index): Remove OTI_lrint.
1048 (enum convert_optab_index): Add COI_lrint.
1049 (lrint_optab): Adjust.
1050 (expand_sfix_optab): Declare.
1051 * optabs.c (expand_sfix_optab): New function.
1052 (init_optabs): Init lrint_optab as conversion optab.
1053 * genopinit.c (lrint_optab): Change to a conversion optab.
1054 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1055 expansion via conversion optab.
1056 * config/i386/i386.md (*fistdi2_1): Remove
1057 flag_unsafe_math_optimizations guard.
1058 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1059 fist<mode>2_with_temp): Likewise.
1060 (lrint<mode>2): Split into...
1061 (lrintxf<mode>2): ... x87 part
1062 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1063 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1064 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1065 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1066 * doc/md.texi (lrintMN2): Document.
1068 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1071 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1072 Use inc and dec instructions for TARGET_USE_INCDEC.
1073 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1074 ("sync_double_compare_and_swap<mode>"): Likewise.
1075 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1076 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1077 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1078 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1079 ("sync_old_add<mode>"): Likewise.
1080 ("sync_lock_test_and_set<mode>"): Likewise.
1081 ("sync_lock_test_and_set<mode>"): Likewise.
1082 ("sync_add<mode>"): Likewise.
1083 ("sync_sub<mode>"): Likewise.
1084 ("sync_ior<mode>"): Likewise.
1085 ("sync_and<mode>"): Likewise.
1086 ("sync_xor<mode>"): Likewise.
1088 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1090 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1091 (remainder_optab): Define corresponding macro.
1092 (drem_optab): Remove.
1093 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1094 drem_optab initialization.
1095 * genopinit.c (optabs): Implement remainder_optab using
1096 remainder?f3 patterns. Remove drem_optab.
1097 * builtins.c (expand_builtin_mathfn_2): Handle
1098 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1099 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1100 expand_builtin_mathfn_2.
1102 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1103 depend on flag_unsafe_math_optimizations.
1105 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1106 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1107 Do not depend on flag_unsafe_math_optimizations. Use
1108 truncxf?f expander instead of truncxf?f_i387_noop.
1110 ("fpremxf4", "fprem1xf4"): Do not depend on
1111 flag_unsafe_math_optimizations.
1112 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1113 flag_unsafe_math_optimizations. Use truncxf?f expander
1114 instead of truncxf?f_i387_noop.
1116 * doc/md.texi (fmod, remainder): Document standard named pattern.
1118 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1119 David Daney <ddaney@avtrex.com>
1122 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1124 2006-10-25 Ben Elliston <bje@au.ibm.com>
1126 * doc/extend.texi (Variable Attributes): Typo fix.
1128 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1130 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1131 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1132 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1133 (FRAME_POINTER_REGNUM): Update register number to 21.
1134 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1135 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1137 * config/i386/i386.c (regclass_map): Add fpcr entry.
1138 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1140 (print_reg): Assert REGNO (x) != FPCR_REG.
1142 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1143 (DIRFLAG_REG): Renumber.
1144 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1145 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1146 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1147 hardcoded SSE register numbers.
1149 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1150 hardcoded MMX register numbers.
1152 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1155 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1156 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1158 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1159 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1160 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1161 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1163 2006-10-24 Richard Guenther <rguenther@suse.de>
1166 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1167 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1168 for deciding optimizations in consistency with fold-const.c
1169 (fold_builtin_unordered_cmp): Likewise.
1171 2006-10-24 Richard Guenther <rguenther@suse.de>
1173 * builtins.c (fold_builtin_floor): Fold floor (x) where
1174 x is nonnegative to trunc (x).
1175 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1176 nonnegative to FIX_TRUNC_EXPR.
1178 2006-10-24 Richard Guenther <rguenther@suse.de>
1180 PR tree-optimization/29567
1181 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1182 for TRUTH_NOT_EXPR. Clarify comments.
1184 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1188 at compile-time using MPFR. Change parameter VALUE to FUNC,
1190 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1191 for overflow and underflow at all times and avoid folding in
1194 2006-10-24 Ben Elliston <bje@au.ibm.com>
1196 * reload1.c: Formatting fixes.
1198 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1200 PR tree-optimization/14784
1201 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1202 * tree-ssa-structalias.c (get_constraint_for,
1203 intra_create_variable_infos): Set is_heapvar.
1204 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1205 non-heapvar pointer variables specially.
1207 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1210 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1211 fold_builtin_tan): Fold all constant arguments. Take a "type"
1212 argument as necessary.
1213 (do_mpfr_arg1): New.
1214 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1216 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1218 * config/xtensa/lib1funcs.asm: Use C-style comments.
1220 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1222 * tree.c (local_define_builtin): Replace calls to
1223 lang_hooks.builtin_function with add_builtin_function.
1224 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1226 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1228 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1229 common code to add_builtin_function.
1230 * langhooks.c (add_builtin_function): New function.
1231 (lhd_builtin_function): New function.
1232 * langhooks.h (struct lang_hooks): Change the signature of
1234 (add_builtin_function): New function.
1235 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1236 calls to lang_hooks.builtin_function with add_builtin_function.
1237 * c-common.c (decl_builtin_1): Replace calls to
1238 lang_hooks.builtin_function with add_builtin_function.
1239 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1240 lang_hooks.builtin_function with add_builtin_function.
1241 * config/frv/frv.c (def_builtin): Replace calls to
1242 lang_hooks.builtin_function with add_builtin_function.
1243 * config/s390/s390.c (s390_init_builtins): Replace calls to
1244 lang_hooks.builtin_function with add_builtin_function.
1245 * config/sparc/sparc.c (def_builtin): Replace calls to
1246 lang_hooks.builtin_function with add_builtin_function.
1247 * config/i386/i386.c (def_builtin): Replace calls to
1248 lang_hooks.builtin_function with add_builtin_function.
1249 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1250 lang_hooks.builtin_function with add_builtin_function.
1251 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1252 lang_hooks.builtin_function with add_builtin_function.
1253 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1254 Replace calls to lang_hooks.builtin_function with
1255 add_builtin_function.
1256 * config/iq2000/iq2000.c (def_builtin):
1257 Replace calls to lang_hooks.builtin_function with
1258 add_builtin_function.
1259 * config/ia64/ia64.c (def_builtin): Replace calls to
1260 lang_hooks.builtin_function with add_builtin_function.
1261 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1262 lang_hooks.builtin_function with add_builtin_function.
1263 (altivec_init_builtins): Replace calls to
1264 lang_hooks.builtin_function with add_builtin_function.
1265 * config/arm/arm.c (def_mbuiltin): Replace calls to
1266 lang_hooks.builtin_function with add_builtin_function.
1267 (arm_init_tls_builtins): Replace calls to
1268 lang_hooks.builtin_function with add_builtin_function.
1269 * config/mips/mips.c (mips_init_builtins): Replace calls to
1270 lang_hooks.builtin_function with add_builtin_function.
1271 * config/bfin/bfin.c (def_builtin): Replace calls to
1272 lang_hooks.builtin_function with add_builtin_function.
1273 * langhooks-def.h (lhd_builtin_function): New function.
1274 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1276 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1278 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1279 BUILT_IN_STRNCAT_CHK.
1281 2006-10-23 Jan Hubicka <jh@suse.cz>
1283 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1284 don't do conversion from memmove to memcpy here.
1285 (expand_builtin_bcopy, expand_builtin): Update call of
1286 expand_builtin_memmove.
1287 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1289 2006-10-23 Paul Brook <paul@codesourcery.com>
1291 * stor-layout.c (start_record_layout): maximum_field_alignment
1292 overrides STRUCTURE_SIZE_BOUNDARY.
1294 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1296 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1297 nonlocal function symbols if flag_pic.
1299 2006-10-23 Richard Guenther <rguenther@suse.de>
1303 * builtins.c (fold_binary): Remove checks for flag_wrapv
1304 and flag_trapv where negate_expr_p covers these cases.
1306 2006-10-23 Richard Guenther <rguenther@suse.de>
1309 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1310 of two on the absolute value.
1311 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1312 and negating -C does not overflow.
1314 2006-10-23 Richard Guenther <rguenther@suse.de>
1317 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1318 only if not flag_rounding_math.
1320 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1321 Kaz Kojima <kkojima@gcc.gnu.org>
1324 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1325 SImode memory reference for the source of a movua.
1326 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1327 (movua): Use an unspec instead of sign_extract. Expect the source
1328 to have mode BLKmode.
1329 (extv, insv): Use a BLKmode rather than SImode memory reference
1330 for the source of a movua.
1332 2006-10-22 Jeff Law <law@redhat.com>
1333 Richard Guenther <rguenther@suse.de>
1335 PR tree-optimization/15911
1336 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1337 (register_edge_assert_for_1): Likewise.
1338 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1339 (find_conditional_asserts): Adjust for new function signature.
1340 (find_assert_locations): Likewise.
1342 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1344 * config/i386/tmmintrin.h: Remove the duplicated content.
1346 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1348 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1349 (x86_64-*-*): Likewise.
1351 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1352 (override_options): Check SSSE3.
1353 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1354 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1355 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1356 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1357 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1358 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1359 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1360 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1361 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1362 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1363 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1364 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1365 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1366 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1367 IX86_BUILTIN_PABSD128.
1368 (bdesc_2arg): Add SSSE3.
1369 (bdesc_1arg): Likewise.
1370 (ix86_init_mmx_sse_builtins): Support SSSE3.
1371 (ix86_expand_builtin): Likewise.
1372 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1374 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1375 (UNSPEC_PSIGN): Likewise.
1376 (UNSPEC_PALIGNR): Likewise.
1377 Include mmx.md before sse.md.
1379 * config/i386/i386.opt: Add -mssse3.
1381 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1382 (ssse3_phaddwv4hi3): Likewise.
1383 (ssse3_phadddv4si3): Likewise.
1384 (ssse3_phadddv2si3): Likewise.
1385 (ssse3_phaddswv8hi3): Likewise.
1386 (ssse3_phaddswv4hi3): Likewise.
1387 (ssse3_phsubwv8hi3): Likewise.
1388 (ssse3_phsubwv4hi3): Likewise.
1389 (ssse3_phsubdv4si3): Likewise.
1390 (ssse3_phsubdv2si3): Likewise.
1391 (ssse3_phsubswv8hi3): Likewise.
1392 (ssse3_phsubswv4hi3): Likewise.
1393 (ssse3_pmaddubswv8hi3): Likewise.
1394 (ssse3_pmaddubswv4hi3): Likewise.
1395 (ssse3_pmulhrswv8hi3): Likewise.
1396 (ssse3_pmulhrswv4hi3): Likewise.
1397 (ssse3_pshufbv16qi3): Likewise.
1398 (ssse3_pshufbv8qi3): Likewise.
1399 (ssse3_psign<mode>3): Likewise.
1400 (ssse3_psign<mode>3): Likewise.
1401 (ssse3_palignrti): Likewise.
1402 (ssse3_palignrdi): Likewise.
1403 (abs<mode>2): Likewise.
1404 (abs<mode>2): Likewise.
1406 * config/i386/tmmintrin.h: New file.
1408 * doc/extend.texi: Document SSSE3 built-in functions.
1410 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1412 2006-10-22 Ira Rosen <irar@il.ibm.com>
1414 * tree-vect-transform.c (vectorizable_load): Use the type of the
1415 return value of the mask_for_load builtin to create realign_load
1418 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1420 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1423 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1425 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1426 (UNSPEC_LDDQU): This.
1427 * config/i386/sse.md (sse3_lddqu): Updated.
1429 2006-10-21 Richard Guenther <rguenther@suse.de>
1431 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1432 (expand_builtin): Use it to expand lrint instead of
1433 expand_builtin_mathfn.
1435 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1438 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1439 flag_unsafe_math_optimizations is set.
1441 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1444 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1445 patterns to use memory input operand in x87->mem->XMM
1446 reload sequences. Skip transformation for TARGET_K8.
1448 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1450 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1451 force operand1 to register if both operands are memory operands.
1452 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1453 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1454 if both operands are memory operands.
1455 (truncdfsf2): Do not force operand1 to register if both operands
1456 are memory operands.
1458 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1460 * Makefile.in (LIBS): Add $(GMPLIBS).
1461 * doc/install.texi: Update GMP and MPFR requirements.
1462 * doc/sourcebuild.texi (need_gmp): Delete.
1464 2006-10-21 Richard Guenther <rguenther@suse.de>
1466 PR tree-optimization/3511
1467 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1468 got new invariant arguments during PHI translation.
1470 2006-10-21 Richard Guenther <rguenther@suse.de>
1473 * fold-const.c (fold_comparison): Fold signed comparisons
1474 of the form X +- C1 CMP Y +- C2.
1476 2006-10-21 Richard Guenther <rguenther@suse.de>
1479 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1480 if flag_unsafe_math_optimizations is specified. We have
1481 flag_finite_math_only for that.
1482 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1483 or flag_unsafe_math_optimizations.
1485 2006-10-21 Richard Guenther <rguenther@suse.de>
1487 * builtins.c (fold_builtin_classify): Fix typo.
1489 2006-10-21 Richard Guenther <rguenther@suse.de>
1492 * simplify-rtx.c (simplify_const_relational_operation):
1493 Do not constant-fold ORDERED and UNORDERED for
1494 flag_unsafe_math_optimizations but only we do not need to
1495 honor NaNs for the given mode.
1497 2006-10-21 Richard Guenther <rguenther@suse.de>
1500 * config/i386/i386.c (classify_argument): Remove redundant
1501 walking of the BINFOs.
1502 (contains_128bit_aligned_vector_p): Likewise.
1504 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1506 * BASE-VER: Set to 4.3.0.
1508 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1510 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1511 (tree_decl_with_vis): Remove artificial_pta_var flag.
1512 * tree-flow.h (referenced_var_check_and_insert): Expose.
1513 (nonlocal_all): New prototype.
1514 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1515 (nonlocal_all): Make global.
1516 (nonlocal_lookup): Remove.
1517 (nonlocal_insert): Ditto.
1518 (create_nonlocal_var): Do not call nonlocal_insert.
1519 (get_nonlocal_id_for_type): Remove.
1520 (find_global_initializers): Mark new vars we find for renaming.
1521 (intra_create_variable_infos): Only create one nonlocal.
1522 (expand_nonlocal_solutions): Remove.
1523 (compute_points_to_sets): Don't call it.
1524 (ipa_pta_execute): Ditto.
1525 (init_alias_heapvars): Don't create nonlocal_for_type.
1526 (delete_alias_heapvars): Don't remove it.
1527 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1530 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1532 * doc/install.texi (Downloading GCC): Clarify mention of
1533 Fortran in the "full distribution" description.
1535 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1537 Fix PR tree-optimization/28778
1538 Fix PR tree-optimization/29156
1539 Fix PR tree-optimization/29415
1540 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1541 (tree_decl_with_vis): Add artificial_pta_var flag.
1542 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1543 pushed into callers.
1544 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1545 (nonlocal_all): Ditto.
1546 (struct variable_info): Add directly_dereferenced member.
1547 (var_escaped_vars): New variable.
1548 (escaped_vars_tree): Ditto.
1549 (escaped_vars_id): Ditto.
1550 (nonlocal_vars_id): Ditto.
1551 (new_var_info): Set directly_dereferenced.
1552 (graph_size): New variable
1553 (build_constraint_graph): Use graph_size.
1554 (solve_graph): Don't process constraints that cannot change the
1555 solution, don't try to propagate an empty solution to our
1557 (process_constraint): Set directly_dereferenced.
1558 (could_have_pointers): New function.
1559 (get_constraint_for_component_ref): Don't process STRING_CST.
1560 (nonlocal_lookup): New function.
1561 (nonlocal_insert): Ditto.
1562 (create_nonlocal_var): Ditto.
1563 (get_nonlocal_id_for_type): Ditto.
1564 (get_constraint_for): Allow results vector to be empty in the case
1565 of string constants.
1566 Handle results of calls properly.
1567 (update_alias_info): Update alias info stats on number and type of
1569 (find_func_aliases): Use could_have_pointers.
1570 (make_constraint_from_escaped): Renamed from
1571 make_constraint_to_anything, and changed to make constraints from
1573 (make_constraint_to_escaped): New function.
1574 (find_global_initializers): Ditto.
1575 (create_variable_info_for): Make constraint from escaped to any
1576 global variable, and from any global variable to the set of
1578 (intra_create_variable_infos): Deal with escaped instead of
1579 pointing to anything.
1580 (set_uids_in_ptset): Do type pruning on directly dereferenced
1582 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1583 (init_base_vars): Fix comment, and initialize escaped_vars.
1584 (need_to_solve): Removed.
1585 (find_escape_constraints): New function.
1586 (expand_nonlocal_solutions): Ditto.
1587 (compute_points_to_sets): Call find_escape_constraints and
1588 expand_nonlocal_solutions.
1589 (delete_points_to_sets): Don't fall off the end of the graph.
1590 (init_alias_heapvars): Initialize nonlocal_for_type and
1592 (delete_alias_heapvars): Free nonlocal_for_type and null out
1595 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1597 * fold-const.c (add_double): Rename to add_double_with_sign.
1598 Add 'unsigned_p' parameter and take it into account for the overflow.
1599 (mul_double): Rename to mul_double_with_sign.
1600 Add 'unsigned_p' parameter and take it into account for the overflow.
1601 (fold_div_compare): Call add_double_with_sign instead of add_double
1602 and mul_double_with_sign instead of mul_double, passing them the
1603 unsignedness of the type.
1604 * tree.h (add_double): Macroize.
1605 (add_double_with_sign): New prototype.
1606 (mul_double): Macroize.
1607 (mul_double_with_sign): New prototype.
1609 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1611 * config/score/crti.asm: New file.
1612 * config/score/crtn.asm: New file.
1613 * config/score/elf.h: New file.
1614 * config/score/mac.md: New file.
1615 * config/score/misc.md: New file.
1616 * config/score/mul-div.S: New file.
1617 * config/score/predicates.md: New file.
1618 * config/score/score7.md: New file.
1619 * config/score/score.c: New file.
1620 * config/score/score-conv.h: New file.
1621 * config/score/score.h: New file.
1622 * config/score/score.md: New file.
1623 * config/score/score-mdaux.c: New file.
1624 * config/score/score-mdaux.h: New file.
1625 * config/score/score-modes.def: New file.
1626 * config/score/score.opt: New file.
1627 * config/score/score-protos.h: New file.
1628 * config/score/score-version.h: New file.
1629 * config/score/t-score-elf: New file.
1630 * config.gcc: Add score*-*-* configurations(Update before).
1631 * doc/invoke.texi (Score Options): New section.
1632 * doc/md.texi (Score family): New section to document constraints.
1634 2006-10-19 Nick Clifton <nickc@redhat.com>
1636 * config/arm/arm.c: Fix spelling typo.
1638 2006-10-18 Tom Tromey <tromey@redhat.com>
1640 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1642 2006-10-18 Jan Hubicka <jh@suse.cz>
1645 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1648 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1650 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1651 TSI_SAME_STMT, since that's the desired entity.
1653 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1655 * config/s390/contraints.md: New file.
1656 * config/s390/s390-protos.h (s390_mem_constraint,
1657 s390_O_constraint_str, s390_N_constraint_str,
1658 s390_float_const_zero_p): Function prototypes added.
1659 * config/s390/s390.c (s390_extra_constraint_str,
1660 s390_const_double_ok_for_constraint_p,
1661 s390_const_ok_for_constraint_p): Functions removed.
1662 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1663 s390_float_const_zero_p): New functions.
1664 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1665 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1666 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1667 Macro definitions removed.
1668 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1669 s390_extra_constraint_str): Functions removed.
1671 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1672 Richard Sandiford <richard@codesourcery.com>
1675 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1676 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1678 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1680 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1681 (DWARF2_FRAME_REG_OUT): Likewise.
1682 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1683 (DWARF2_FRAME_REG_OUT): Likewise.
1685 2006-10-17 Paul Brook <paul@codesourcery.com>
1687 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1689 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1691 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1692 Standardize on "GNU Fortran" as the official name of the Fortran
1695 2006-10-16 Mike Stump <mrs@apple.com>
1697 * doc/invoke.texi (Darwin Options): Document -mkernel.
1698 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1700 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1701 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1702 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1703 (OS_MISSING_ALTIVEC): Add.
1704 * config/i386/i386.c (override_options): Add
1705 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1706 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1707 -mkernel, -static or -mdynamic-no-pic is given.
1708 (C_COMMON_OVERRIDE_OPTIONS): Add.
1709 * config/darwin.opt (fapple-kext): Add.
1711 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1712 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1714 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1715 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1716 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1717 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1718 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1719 (flag_mkernel): Add.
1720 (flag_apple_kext): Add.
1721 (TARGET_KEXTABI): Add.
1722 * config/darwin.c (darwin_handle_kext_attribute): Add.
1723 (DARWIN_VTABLE_P): Add.
1724 (darwin_binds_local_p): Add partial support for rebinding vtables
1726 (darwin_kextabi_p): Add.
1727 (darwin_override_options): Add.
1728 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1729 (darwin_kextabi_p): Add.
1730 (darwin_override_options): Add.
1731 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1732 __DYNAMIC__ and __STATIC__ here.
1734 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1736 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1737 Added mention of "make pdf" target, and Texinfo requirements for
1740 2006-10-16 DJ Delorie <dj@redhat.com>
1742 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1743 into the GOT in case we need a subreg of the address.
1745 2006-10-16 Richard Guenther <rguenther@suse.de>
1748 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1749 SSE builtin documentation. Document SSE2 builtins.
1751 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1753 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1754 symbol in the output file for non-shared links when -nostdlib or
1755 -nodefaultlibs isn't specified.
1757 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1758 posix thread support.
1760 2006-10-15 Jan Hubicka <jh@suse.cz>
1763 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1764 declared always_inline even when not inlining.
1766 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1767 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1768 Andrew Pinski <pinskia@gmail.com>
1771 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1773 2006-10-15 Jan Hubicka <jh@suse.cz>
1774 Richard Guenther <rguenther@suse.de>
1777 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1778 process_function_and_variable_attributes on all variables, including
1779 those discovered during cgraph construction phase.
1781 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1783 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1785 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1787 * config/i386/athlon.md (athlon_fist): Add fisttp.
1789 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1790 Ian Lance Taylor <ian@airs.com>
1793 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1794 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1797 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1799 * config/score/score.c, config/score/score.h: Fix comment
1802 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1805 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1808 2006-10-13 Eric Christopher <echristo@apple.com>
1810 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1812 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1815 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1816 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1817 alignment supported by 32-bit ELF.
1819 2006-10-13 Eric Christopher <echristo@apple.com>
1821 * config/darwin.c (darwin_emit_unwind_label): Strip
1822 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1824 2006-10-13 Richard Guenther <rguenther@suse.de>
1826 PR tree-optimization/29446
1827 * tree-vrp.c (fix_equivalence_set): Remove.
1828 (extract_range_from_assert): Do not call fix_equivalence_set.
1829 (debug_value_range): Print a newline.
1830 (compare_name_with_value): For equivalence sets with
1831 inconsistent value ranges conservatively bail out.
1832 (compare_names): Likewise.
1834 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1836 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1837 and MPFR for gfortran.
1839 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1841 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1842 alignment supported by 32-bit ELF.
1844 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1848 * c-typeck.c (digest_init): Always allow initializing vectors
1849 that have static storage duration with compound literals.
1850 * tree.c (build_type_attribute_qual_variant): New, based on
1851 build_type_attribute_variant.
1852 (build_type_attribute_variant): Rewrite using the former.
1853 (make_vector_type): Use build_type_attribute_qual_variant to build
1854 type variants. Use type_hash_canon on the others.
1856 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1857 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1859 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1861 2006-10-12 Jan Hubicka <jh@suse.cz>
1864 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1865 current_function_decl is set but current_function_scope is not.
1867 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1869 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1870 emit_insn to emit eh_return_internal instruction.
1871 (eh_return_internal): Explicitly set pc.
1873 2006-10-11 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/28230
1876 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1877 to the correct place.
1879 2006-10-11 Richard Guenther <rguenther@suse.de>
1882 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1885 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1887 * configure.ac: Added pdf to "Make-hooks"
1888 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1889 targets and *.pdf file patterns in cleanup targets.
1890 * configure: Regenerated.
1892 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1894 * config/avr/predicates.md: New file.
1895 * config/avr/avr.md: Include it.
1896 (REG_SP): New constant.
1897 (peepholes): Use predicates.
1898 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1899 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1900 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1902 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1904 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1907 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1910 * builtins.c (var_decl_component_p): New function.
1911 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1912 single entry optimization to variables and components thereof.
1914 2006-10-10 Richard Guenther <rguenther@suse.de>
1916 PR rtl-optimization/29323
1917 * except.c (set_nothrow_function_flags): For functions
1918 that do not bind local bail out early.
1920 2006-10-10 Ben Elliston <bje@au.ibm.com>
1922 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1925 2006-10-09 Richard Henderson <rth@redhat.com>
1927 Revert emutls patch.
1929 2006-10-09 Richard Guenther <rguenther@suse.de>
1932 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1935 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1938 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1939 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1940 * configure: Regenerate.
1941 * config.in: Regenerate.
1943 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1945 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1947 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1949 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1950 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1951 Remove stray newline.
1953 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1955 * config/mips/mips.c (mips_classify_symbol): Do not return
1956 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1957 (mips_in_small_data_p): Tweak comments.
1959 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1961 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1963 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1965 * gimplify.c, sched-int.h: Fix comment typos.
1967 * sched-int.h: Fix comment typos.
1969 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1971 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1973 * sched-ebb.c (begin_schedule_ready): Use them.
1974 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1975 add_to_speculative_block, create_check_block_twin, speculate_insn,
1976 fix_jump_move, move_block_after_check): Ditto.
1977 * sched-rgn.c (new_ready): Ditto.
1979 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1981 PR rtl-optimization/29128
1982 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1983 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1984 allow interblock movement of speculation checks.
1986 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1989 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1990 casted to integer type.
1991 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1992 if they are significantly more expensive than [reg + index] ones.
1994 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1996 PR tree-optimization/29330
1997 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1998 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1999 on newly allocated ddrs.
2000 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2001 to VEC (loop_p, heap) pointer.
2002 (compute_data_dependences_for_loop): Adjust caller.
2003 (free_dependence_relations): Free DDR_LOOP_NEST.
2005 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2006 free DEPENDENCE_RELATIONS and DATAREFS.
2009 * builtins.c (expand_builtin_sync_operation,
2010 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2011 Use convert_to_mode to handle promoted arguments.
2013 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2015 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2017 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2019 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2021 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2023 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2024 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2025 Use <modeconstraint> instead of "r" as operand 1 constraint.
2027 2006-10-06 Olivier Hainque <hainque@adacore.com>
2029 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2030 Don't recurse on the pointed-to type.
2031 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2032 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2033 types with components of variable size.
2035 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2037 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2039 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2041 PR tree-optimization/29290
2042 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2046 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2047 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2050 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2051 the number of vector elements fill the rest with zeros.
2053 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2055 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2056 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2059 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2061 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2062 unnamed pattern into subsi3. Use correct constraints/predicates.
2063 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2064 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2066 2006-10-05 Ira Rosen <irar@il.ibm.com>
2068 * doc/loop.texi: Add data references analysis description.
2070 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2072 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2074 2006-10-04 Richard Henderson <rth@redhat.com>
2075 Jakub Jelinek <jakub@redhat.com>
2077 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2078 * builtin-types.def (BT_WORD): Make unsigned.
2079 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2080 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2081 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2082 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2083 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2084 * cgraph.c (decide_is_variable_needed): Look at force_output.
2085 Recurse for emulated tls.
2086 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2087 checks redundant with decide_is_variable_needed.
2088 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2089 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2091 * expr.c (emutls_var_address): New.
2092 (expand_expr_real_1): Expand emulated tls.
2093 (expand_expr_addr_expr_1): Likewise.
2094 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2095 * output.h (emutls_finish): Declare.
2096 * toplev.c (compile_file): Call it.
2097 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2098 address before wrapping in CONST.
2099 * varasm.c (emutls_htab, emutls_object_type): New.
2100 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2101 (get_emutls_object_name, get_emutls_object_type): New.
2102 (get_emutls_init_templ_addr, emutls_decl): New.
2103 (emutls_common_1, emutls_finish): New.
2104 (assemble_variable): When emulating tls, swap decls; generate
2105 constructor for the emutls objects.
2106 (do_assemble_alias): When emulating tls, swap decl and target name.
2107 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2109 * emutls.c: New file.
2110 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2111 tls_object for real tls.
2113 2006-10-04 Zack Weinberg <zackw@panix.com>
2115 Fix bug in constraint-check generator, reported by Rask Ingemann
2117 * genpreds.c (add_constraint): Don't remove anything from the
2119 (write_tm_constrs_h): Detect whether "op" argument is used, and
2120 mark it ARG_UNUSED if it isn't.
2121 (write_insn_const_int_ok_for_constraint): Skip the part of the
2122 expression that would test whether "op" (which is not available
2123 here) is a CONST_INT.
2125 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2128 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2130 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2132 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2133 current Leopard versions.
2134 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2136 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2138 * doc/install.texi: Fix typos.
2140 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2142 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2143 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2144 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2146 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2148 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2149 arg to be struct mach_header_64* instead.
2151 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2154 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2155 side effects after the outer expression's post side effects.
2157 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2159 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2160 comments to reflect actual behavior and relationship between
2161 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2163 * doc/c-tree.texi (Working with declarations): Fix documentation
2164 of FIELD_DECL likewise.
2166 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2169 * doc/extend.texi: Add used variable attribute description.
2171 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2174 * c.opt (Woverride-init): New.
2175 * c-opts.c (c_common_post_options): Default warn_override_init to
2177 * c-typeck.c (add_pending_init, output_init_element): Warn for
2178 overriding initializers without side effects.
2179 * doc/invoke.texi (-Woverride-init): Document.
2182 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2184 PR rtl-optimization/28096
2185 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2186 assignment has already been used as a destination earlier in the block.
2188 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2190 * builtins.c (expand_builtin_setjmp): Delete.
2191 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2192 <BUILT_IN_SETJMP_SETUP>: New case.
2193 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2194 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2195 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2196 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2197 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2198 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2199 (lower_function_body): Initialize it to false. If it is set to true
2200 at the end of the processing, emit the setjmp dispatcher.
2201 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2202 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2203 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2204 on the rhs of the assignment.
2205 (lower_builtin_setjmp): New function.
2206 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2207 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2208 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2209 to detect calls that can go to non-local labels. Use specific
2210 helper to create the abnormal edges associated with them.
2211 <MODIFY_EXPR>: Likewise.
2212 (make_abnormal_goto_edges): New function extracted from...
2213 (make_goto_expr_edges): ...here. Call it for computed gotos.
2214 (simple_goto_p): Minor tweak.
2215 (tree_can_make_abnormal_goto): New predicate.
2216 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2217 (tree_purge_dead_abnormal_call_edges): New function.
2218 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2219 (tree_purge_dead_abnormal_call_edges): Likewise.
2220 (make_abnormal_goto_edges): Likewise.
2221 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2222 Purge all dead abnormal edges if the call was in the last statement.
2223 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2224 (execute_fixup_cfg): If there are non-local labels in the function,
2225 scan the basic blocks and split them at calls that can go to non-local
2226 labels or add missing abnormal call edges. Write down the CFG in the
2228 (pass_fixup_cfg): Remove TODO_dump_func flag.
2229 * unwind-sjlj.c: Poison setjmp.
2230 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2231 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2232 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2233 (DONT_USE_BUILTIN_SETJMP): Document it.
2235 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2238 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2239 to 1 when __ppc64__ is defined.
2240 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2242 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2244 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2246 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2247 * config/ia64/unwind-hpux.c: Delete.
2249 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2251 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2252 on the element before gimplifying it, instead of punting if it is of
2255 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2257 * doc/loop.texi: New file.
2258 * doc/gccint.texi: Reference loop.texi.
2259 * Makefile.in (loop.texi): Add.
2261 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2263 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2265 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2266 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2268 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2270 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2272 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2274 * doc/install.texi: Document required versions of GMP and MPFR.
2276 2006-09-27 Paul Brook <paul@codesourcery.com>
2279 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2281 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2283 * reload1.c (alter_reg): Require the alignment of the stack slot to
2284 be at least reg_max_ref_width bytes.
2285 (scan_paradoxical_subregs): Record the largest width in
2288 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2292 * tree-nested.c (struct nesting_info): Added static_chain_added.
2293 (convert_call_expr): Set static_chain_added when adding static
2294 chain. Handle OMP_PARALLEL and OMP_SECTION.
2296 2006-09-25 Matthias Klose <doko@debian.org>
2298 * doc/invoke.texi: Add missing full stop.
2300 2006-09-25 Richard Henderson <rth@redhat.com>
2302 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2303 before cgraph_function_flags_ready.
2305 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2306 Adam Nemet <anemet@caviumnetworks.com>
2308 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2309 determine_common_wider_type): New functions.
2310 (get_computation_aff): Use them to simplify arithmetic between
2311 UBASE and CBASE if they are shortened from the same type.
2313 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2316 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2317 -2147483647 - 1 instead of 0x80000000.
2319 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2321 * flags.h (HONOR_NANS): Fix typo in comment.
2323 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2325 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2327 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2331 * tree.c (merge_attributes, attribute_list_contained): If both
2332 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2334 * c-typeck.c (comptypes_internal): Don't consider aggregates
2335 in different TUs as compatible if there one set of attributes is
2336 not a subset of the other type's attributes.
2337 (composite_type): Try harder not to create a new aggregate type.
2339 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2341 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2342 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2343 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2344 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2345 than replicating condition above.
2346 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2348 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2349 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2350 the linker by default.
2352 2006-09-22 Mike Stump <mrs@apple.com>
2354 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2357 2006-09-22 Richard Guenther <rguenther@suse.de>
2360 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2361 sort of stack variables stable.
2363 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2366 * explow.c (force_reg): Set REG_POINTER flag according to
2369 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2371 PR tree-optimization/28888
2372 * tree-if-conv.c (combine_blocks): Rewritten.
2373 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2374 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2376 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2378 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2381 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2383 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2385 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2387 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2389 2006-09-21 Roger Sayle <roger@eyesopen.com>
2392 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2393 dw_fde_current_label, to be the start of the function, i.e. the same
2394 value as dw_fde_begin.
2396 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2398 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2399 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2400 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2401 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2402 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2403 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2404 (abs<mode>2, neg<mode>2): Likewise.
2405 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2406 (*mips_abs_ps): New define_insn.
2408 2006-09-20 Josh Conner <jconner@apple.com>
2411 * calls.c (expand_call): Allow reuse of structure return stack
2414 2006-09-20 Paul Brook <paul@codesourcery.com>
2416 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2419 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2421 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2422 clean up terminology.
2424 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2427 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2428 with tablejumps in them.
2430 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2433 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2434 wrap it into TARGET_EXPR.
2436 2006-09-20 Eric Christopher <echristo@apple.com>
2438 * config/i386/i386.c (x86_fisttp): Remove.
2439 * config/i386/i386.h (x86_fisttp): Ditto.
2440 (TARGET_FISTTP): Ditto.
2442 2006-09-19 Eric Christopher <echristo@apple.com>
2444 * doc/tm.texi (OBJC_JBLEN): Describe.
2445 * config/i386/darwin.h (OBJC_JBLEN): Define.
2446 * config/rs6000/darwin.h: Ditto.
2448 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2450 PR rtl-optimization/21299
2451 * reload1.c (reload): Purge invalid ASMs in the final pass.
2453 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2456 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2457 pointers as legitimate constants.
2459 2006-09-19 Paul Brook <paul@codesourcery.com>
2462 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2464 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2466 PR tree-optimization/28887
2467 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2468 component parts from the reference.
2469 (gather_memory_references_ref): Record the reference without the
2470 nonaddressable component parts.
2472 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2475 * c-opts.c (c_common_handle_option): Ignore the -std options
2476 if the input language is assembly.
2478 2006-09-17 Ira Rosen <irar@il.ibm.com>
2481 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2483 (ptr_ptr_may_alias_p): Likewise.
2484 (record_record_differ_p): New function.
2485 (base_object_differ_p): Call record_record_differ_p.
2487 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2490 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2491 away for the expr argument.
2493 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2496 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2497 before using it for dumping after vectorizing loops.
2499 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2500 Jack Howarth <howarth@bromo.med.uc.edu>
2503 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2504 skip on error_mark_node.
2505 (rs6000_darwin64_record_arg_recurse): Likewise.
2507 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2509 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2510 * doc/rtl.texi: Remove related documentation.
2512 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2514 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2517 2006-09-15 Jim Wilson <wilson@specifix.com>
2519 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2520 Handle symbol offsets same as they are handled in ia64_expand_move
2523 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2525 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2526 Add forgotten parameter to the fprintf call.
2528 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2530 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2532 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2534 * doc/contrib.texi: Add my entry.
2536 2006-09-15 Nick Clifton <nickc@redhat.com>
2538 * doc/md.texi (Processor pipeline description): Fix typo in
2539 example of how to use the absence_set directive and reword the
2540 description to make it slightly easier to read.
2542 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2544 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2545 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2546 expanding the number of iterations.
2547 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2549 * cfgrtl.c (emit_insn_at_entry): New function.
2550 * rtl.h (emit_insn_at_entry): Declare it.
2551 * integrate.c (emit_initial_value_sets): Use it.
2553 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2555 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2557 (struct loop_work and related VEC declarations): Delete.
2558 (bfin_dump_loops): Print out new member bad.
2559 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2560 (bfin_scan_loop): Don't recurse.
2561 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2562 loops. No longer need to update outer loops if the current one is
2563 found bad. Move some validitiy checks to bfin_discover_loop.
2564 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2565 but changed not to check for nesting. Also changed to use the new bad
2567 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2568 time. Use bitmap based test to discover loop nesting.
2570 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2572 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2575 2006-09-14 Richard Guenther <rguenther@suse.de>
2576 Kazu Hirata <kazu@codesourcery.com>
2578 PR middle-end/28884.
2579 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2580 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2581 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2582 with TARGET_FUNCTION_VALUE.
2584 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2587 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2589 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2591 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2594 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2597 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2600 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2602 * basic_block.h (bb_has_eh_pred): Fix comment.
2604 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2606 * flow.c (calculate_global_regs_live): Invalidate eh registers
2607 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2608 (propagate_block): Handle eh registers as if they were set at basic
2610 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2612 * global.c (global_conflicts): Make eh registers to conflict with
2613 pseudos live at basic block begin.
2614 * basic_block.h (bb_has_eh_pred): New function.
2616 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2618 PR rtl-optimization/28982
2619 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2620 index of a PRE_MODIFY or POST_MODIFY address.
2621 * reload1.c (inc_for_reload): Use find_replacement on the original
2622 base and index registers.
2624 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2626 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2627 for -Os. Update __m128 alignment requirement.
2629 2006-09-13 Jan Hubicka <jh@suse.cz>
2631 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2633 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2635 PR rtl-optimization/28243
2636 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2637 the insn to which the note was originally attached.
2639 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2640 Roger Sayle <roger@eyesopen.com>
2642 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2643 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2644 on platforms that don't use dwarf for debug info.
2646 2006-09-12 Jason Merrill <jason@redhat.com>
2649 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2650 hard_frame_pointer_rtx after using it to update the frame pointer.
2652 2006-09-12 Roger Sayle <roger@eyesopen.com>
2654 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2655 (TARGET_ASM_CLOSE_PAREN): Likewise.
2656 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2657 (TARGET_ASM_CLOSE_PAREN): Likewise.
2659 2006-09-12 Roger Sayle <roger@eyesopen.com>
2662 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2663 frame information for frames larger than 512 Kbytes on Tru64 when
2664 using the native assembler.
2666 2006-09-12 Roger Sayle <roger@eyesopen.com>
2670 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2671 and symbols. Instead use the implementation from cse.c's hash_rtx.
2673 2006-09-12 Jan Hubicka <jh@suse.cz>
2675 PR rtl-optimization/28071
2676 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2677 (vect_transform_loop): Likewise.
2678 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2679 (new_loop_vec_info): Likewise.
2680 (destroy_loop_vec_info): Likewise.
2681 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2682 (create_stmt_ann): Likewise.
2683 (create_tree_ann): Rename to ...
2684 (create_tree_common_ann): ... this one; allocate only the common part
2686 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2687 (get_value_handle): Likewise.
2688 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2689 get_tree_common_ann.
2690 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2691 (vinfo_for_stmt): Use stmt annotations.
2692 * tree-flow.h (tree_ann_common_t): New type.
2693 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2694 (tree_ann, get_tree_ann, create_tree_ann): New.
2695 * tree-flow-inline.h (get_function_ann): Do more type checking.
2696 (stmt_ann): Likewise.
2697 (tree_ann): Rename to ...
2698 (tree_common_ann): ... this one; return ony common_ann
2699 (get_tree_ann): Rename to ...
2700 (tree_common_ann): This one; return only common_ann.
2701 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2704 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2706 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2707 with_cpu by default.
2709 * dwarf2out.c (dwarf_file_data): New.
2710 (enum dw_val_class): Add dw_val_class_file.
2711 (struct dw_val_struct): Add val_file.
2712 (file_table): Change to a hash table.
2713 (file_table_emitted): Delete.
2714 (file_table_last_lookup_index): Delete.
2715 (emitcount): Delete.
2716 (last_emitted_file): New.
2717 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2718 (init_file_table): Delete.
2719 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2720 (AT_addr): Add comment.
2724 (print_die): Handle dw_val_class_file.
2725 (print_dwarf_line_table): Update for new file table structure.
2726 (attr_checksum): Do checksum a filename.
2727 (same_dw_val_p, same_attr_p): Do compare a filename.
2728 (size_of_die): Handle dw_val_class_file.
2729 (value_format): Likewise.
2730 (output_die): Likewise. Also, call maybe_emit_file here.
2731 (struct file_info): Constify filenames. Make file_idx a pointer
2732 to a struct dwarf_file_data.
2733 (struct dir_info): Constify directory names. Remove 'used' field.
2734 (struct file_name_acquire_data): New.
2735 (file_name_acquire): New.
2736 (output_file_names): Modify to handle new file data structures.
2737 (add_src_coords_attributes): Use add_AT_file.
2738 (add_call_src_coords_attributes): Likewise.
2739 (dwarf2out_imported_module_or_decl): Likewise.
2740 (gen_subprogram_die): Modify for new file data structures.
2741 (gen_variable_die): Likewise.
2742 (file_table_eq): New.
2743 (file_table_hash): New.
2744 (file_table_last_lookup): New.
2745 (lookup_filename): Rewrite to handle new file data structures.
2746 (maybe_emit_file): Rewrite to handle new file data structures.
2747 (dwarf2out_source_line): Always call lookup_filename and
2749 (dwarf2out_init): Create file_table here.
2750 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2751 (file_table_relative_p): New.
2752 (dwarf2out_finish): Change detection of relative filenames
2753 to work with new file data structures. Move output_line_info call
2754 after debug_info output.
2756 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2761 * config/i386/i386.c (override_options): Always default to 16
2762 byte stack boundary.
2764 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2767 * var-tracking.c (dump_dataflow_set): Start dumping at
2769 (clobber_variable_part): Kill only the variable part in
2770 registers holding it, leaving other variables alone.
2772 2006-09-11 Josh Triplett <josh@freedesktop.org>
2774 * doc/extend.texi (Other Builtins): Actually use the macro
2775 argument in the documentation example for
2776 __builtin_types_compatible_p.
2778 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2780 PR rtl-optimization/28726
2781 * sched-deps.c (sched_analyze_reg): New function extracted from...
2782 (sched_analyze_1): ...here. Call it to analyze references to
2783 registers. Treat again writes to a stack register as writing to the
2785 (sched_analyze_2): ...and here. Call it to analyze references to
2786 registers. Treat again reads of a stack register as reading the
2789 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2790 David Edelsohn <edelsohn@gnu.org>
2793 * config/rs6000/spe.md (frob_df_di): Remove %H.
2794 (frob_di_df): Remove %H. Change evmergelo to mr.
2795 (frob_di_df_2): Remove %H. Change evldd to two loads.
2797 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2799 * doc/cpp.texi: Fix names of charset options.
2801 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2804 * config/i386/i386.c (override_options): Use 128-bit
2805 stack boundary always for 64bits.
2807 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2809 PR rtl-optimization/28636
2810 * combine.c (force_to_mode): Test for side-effects before
2811 substituting by zero.
2812 (simplify_shift_const): Likewise for zero or other constants.
2814 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2817 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2820 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2823 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2824 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2825 returned by mode_for_size, rather than the mode of src itself,
2826 to choose between 32-bit and 64-bit patterns.
2827 (mips_mem_fits_mode_p): New function.
2828 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2829 that the size of the source matches the size of the destination.
2830 (mov_<store>l, mov_<store>r): Likewise.
2832 2006-09-10 Eric Christopher <echristo@apple.com>
2834 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2837 2006-09-09 Eric Christopher <echristo@apple.com>
2840 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2843 2006-09-09 Roger Sayle <roger@eyesopen.com>
2844 Nicolas Setton <setton@adacore.com>
2846 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2848 2006-09-10 Andreas Schwab <schwab@suse.de>
2850 * config/m68k/m68k.md (bungt_rev): New pattern.
2852 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2853 Dale Johannesen <dalej@apple.com>
2856 * regclass.c (struct reg_pref): Update documentation.
2857 (regclass): Set prefclass to NO_REGS if memory is the best option.
2858 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2860 2006-09-08 Eric Christopher <echristo@apple.com>
2862 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2863 * config/t-slibgcc-darwin: Support x86_64 multilib.
2864 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2865 Return 1 for x86_64-darwin.
2866 * config/i386/t-darwin: Add m64 multilib.
2867 (LIB2_SIDITI_CONV_FUNCS): Use.
2868 (LIB2FUNCS_EXTRA): Ditto.
2869 * config/i386/darwin.h: Support x86_64.
2870 * config/i386/i386.c (override_options): Turn on flag_pic
2871 for x86_64-darwin. Disable flag_omit_pointer.
2872 (get_pc_thunk_name): Assert !TARGET_64BIT.
2873 (legitimate_address_p): Disable machopic addressing for
2875 (legitimize_pic_address): Ditto.
2876 (ix86_expand_move): Ditto.
2877 (ix86_expand_call): Ditto.
2878 (machopic_output_stub): Ditto.
2879 * config/darwin.c (machopic_select_section): Support literal16.
2880 (machopic_select_rtx_section): Ditto.
2881 * config/darwin-sections.def: Ditto.
2882 * config/darwin-64.c: New.
2884 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2887 * c-tree.h (struct c_arg_info): Add pending_sizes.
2888 * c-parser.c (c_parser_parms_declarator,
2889 c_parser_parms_list_declarator): Initialize pending_sizes.
2890 * c-decl.c (get_parm_info): Initialize pending_sizes.
2891 (get_parm_info): Set pending_sizes.
2892 (grokdeclarator): Call put_pending_sizes for parameters for
2893 function definition only.
2895 2006-09-07 Jason Merrill <jason@redhat.com>
2898 * varasm.c (output_constant): Only strip actual no-op conversions.
2901 * config/i386/i386.c (override_options): Use 128-bit
2902 stack boundary if -msse.
2904 2006-09-07 Eric Christopher <echristo@apple.com>
2906 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2908 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2911 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2913 * dwarf2out.c: Remove strange characters from comment above
2914 dwarf2out_frame_debug_expr.
2916 2006-09-07 Eric Christopher <echristo@apple.com>
2918 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2919 * config/darwin.h: ... to here.
2921 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2923 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2925 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2926 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2928 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2929 TARGET_PARTIAL_FLAG_REG_STALL.
2930 (*ashldi3_cconly_rex64): Likewise.
2931 (*ashlsi3_cmp): Likewise.
2932 (*ashlsi3_cconly): Likewise.
2933 (*ashlsi3_cmp_zext): Likewise.
2934 (*ashlhi3_cmp): Likewise.
2935 (*ashlhi3_cconly): Likewise.
2936 (*ashlqi3_cmp): Likewise.
2937 (*ashlqi3_cconly): Likewise.
2938 (*ashrdi3_cmp_rex64): Likewise.
2939 (*ashrdi3_cconly_rex64): Likewise.
2940 (*ashrsi3_cmp): Likewise.
2941 (*ashrsi3_cconly): Likewise.
2942 (*ashrsi3_cmp_zext): Likewise.
2943 (*ashrhi3_cmp): Likewise.
2944 (*ashrhi3_cconly): Likewise.
2945 (*ashrqi3_cmp): Likewise.
2946 (*ashrqi3_cconly): Likewise.
2947 (*lshrdi3_cmp_rex64): Likewise.
2948 (*lshrdi3_cconly_rex64): Likewise.
2949 (*lshrsi3_cmp): Likewise.
2950 (*lshrsi3_cconly): Likewise.
2951 (*lshrsi3_cmp_zext): Likewise.
2952 (*lshrhi3_cmp): Likewise.
2953 (*lshrhi3_cconly): Likewise.
2954 (*lshrqi2_cmp): Likewise.
2955 (*lshrqi2_cconly): Likewise.
2957 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2960 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2961 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2962 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2963 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2964 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2965 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2966 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2967 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2968 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2969 implement only CC setting effects of shift instructions.
2971 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2973 * doc/contrib.texi: Add myself.
2975 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2978 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2979 was set by the user.
2981 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2984 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2985 (divsi_inv_m1): Use them.
2986 (UNSPEC_DIV_INV_TABLE): New constant.
2988 2006-09-06 James E Wilson <wilson@specifix.com>
2991 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2992 then call count_or_remove_death_notes.
2994 2006-09-06 Jason Merrill <jason@redhat.com>
2997 * tree-inline.c (copy_result_decl_to_var): New fn.
2998 (declare_return_variable): Use it. Call declare_inline_vars here.
2999 (expand_call_inline): Not here.
3001 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3003 * doc/contrib.texi: Update my entry.
3005 2006-09-06 Nick Clifton <nickc@redhat.com>
3007 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3009 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3012 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3013 (canonicalize_induction_variables): Likewise.
3014 (tree_unroll_loops_completely): Likewise.
3015 (tree_ssa_prefetch_arrays): Likewise.
3016 (remove_empty_loops): Likewise.
3017 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3018 TODO_cleanup_cfg instead of directly calling
3019 cleanup_tree_cfg_loop.
3020 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3022 (tree_unroll_loops_completely): Likewise.
3023 (remove_empty_loops): Likewise.
3024 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3025 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3026 of tree_ssa_unswitch_loops.
3027 (tree_ssa_loop_ivcanon): Use the return value of
3028 canonicalize_induction_variables.
3029 (tree_ssa_empty_loop): Use the return value of
3031 (tree_complete_unroll): Use the return value of
3032 tree_unroll_loops_completely.
3033 (tree_ssa_loop_prefetch): Use the return value of
3034 tree_ssa_prefetch_arrays.
3035 * passes.c (execute_todo): Before Cleanup CFG, set
3036 updating_used_alone and after cleanup CFG, call
3037 recalculate_used_alone.
3039 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3042 * tree-vect-transform.c (vectorizable_condition): Move the check
3043 for the type after the check for simple condition.
3045 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3046 Kaz Kojima <kkojima@gcc.gnu.org>
3049 * mode-switching.c (optimize_mode_switching): Make the destination
3050 block of an abnormal edge have no anticipatable mode. Don't
3051 insert mode switching code at the end of the source block of
3054 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3056 PR rtl-optimization/26847
3057 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3058 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3059 (simplify_plus_minus): Count n_constants while filling ops. Replace
3060 qsort with insertion sort. Before going through the array to simplify
3061 pairs, sort it. Delay early exit until after the first sort, exiting
3062 only if no swaps occurred. Simplify pairs in reversed order, without
3063 special-casing the first iteration. Pack ops after simplifying pairs.
3065 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3067 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3068 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3069 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3070 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3072 2006-09-05 Richard Guenther <rguenther@suse.de>
3074 PR tree-optimization/28900
3075 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3076 compound conditional before creating COND_EXPR condition.
3078 2006-09-05 Richard Guenther <rguenther@suse.de>
3080 PR tree-optimization/28905
3081 * tree-vrp.c (fix_equivalence_set): Manually implement
3082 !value_ranges_intersect_p to also handle symbolic ranges.
3084 2006-09-05 Richard Guenther <rguenther@suse.de>
3087 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3090 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3092 PR rtl-optimization/27616
3093 * cse.c (table_size): New static variable.
3094 (new_basic_block): Initialize it to 0.
3095 (remove_from_table): Decrement it.
3096 (insert): Increment it.
3097 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3098 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3099 fold_rtx_mem_1 if under the cap.
3100 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3101 the lookup of the equivalent expression and test for equality of the
3102 first operand of the equivalent expression before in turn looking up
3103 an equivalent constant for the second operand.
3105 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3108 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3109 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3110 pointer, instead of assuming it is possible to derive the
3111 correct args size from a call insn.
3113 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3116 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3117 (fold_builtin_mempcpy): Rename to...
3118 (fold_builtin_memory_op): ... this. Optimize one element copy
3120 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3122 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3123 (expand_builtin_memcpy, expand_builtin_mempcpy,
3124 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3125 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3126 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3127 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3129 2006-09-01 DJ Delorie <dj@redhat.com>
3131 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3132 (stzx_16): Likewise.
3133 ("stzx_24_<mode>"): Likewise.
3134 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3135 ("cmp<mode>_op"): New.
3136 (cmp<mode>): Change to expander; just save operands.
3138 (b<code>): Change to expander, emit compare here.
3139 (s<code>_op): Change to use split and expander.
3140 (s<code>_24_op): Likewise.
3141 (s<code>_<mode>): New.
3142 (s<code>_<mode>_24): New.
3143 (movqicc_<code>_<mode): New.
3144 (movhicc_<code>_<mode>): New.
3147 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3148 (m32c_pend_compare): New.
3149 (m32c_unpend_compare): New.
3150 (m32c_expand_scc): New.
3151 (m32c_expand_movcc): Emit the compare also.
3152 * config/m32c/predicates.md (mra_nopp_operand): New.
3154 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3155 Richard Guenther <rguenther@suse.de>
3156 Adam Nemet <anemet@caviumnetworks.com>
3159 * builtins.c (get_pointer_alignment): Handle more forms
3160 of base addresses that can be used to derive more precise
3161 information about alignment.
3163 2006-09-01 Jason Merrill <jason@redhat.com>
3166 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3169 * gimplify.c (voidify_wrapper_expr): Handle null type.
3171 2006-09-01 Josh Conner <jconner@apple.com>
3174 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3175 (execute_return_slot_opt): Use it.
3177 2006-08-31 Josh Conner <jconner@apple.com>
3180 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3181 returning aggregates.
3183 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3185 PR tree-optimization/28839
3186 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3187 blocks in that phi arguments appear.
3189 2006-08-31 Roger Sayle <roger@eyesopen.com>
3192 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3193 NULL, otherwise use an advance_loc4 to adjust relative to the
3195 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3196 (dwarf2out_switch_text_section): Reset the current label to avoid
3197 using advance_loc4 over section boundaries.
3199 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3202 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3203 r12 + SYMBOLIC_CONST.
3205 2006-08-30 Richard Guenther <rguenther@suse.de>
3207 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3209 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3211 PR rtl-optimization/27735
3212 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3213 Add new argument to keep track of whether an irreducible region
3214 was affected. All callers changed.
3215 (fix_irreducible_loops): Removed.
3216 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3217 flags were invalidated.
3219 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3221 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3222 instead of SF operands.
3223 (*fop_df_comm_sse): Likewise.
3224 (*fop_df_comm_i387): Likewise.
3225 (*fop_df_1_mixed): Likewise.
3226 (*fop_df_1_sse): Likewise.
3228 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3229 J"orn Rennecke <joern.rennecke@st.com>
3231 PR tree-optimization/17506
3232 * tree-ssa.c (warn_uninit): If warning about a location outside of
3233 the current function, note where the variable was declared.
3235 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3237 PR tree-optimization/28411
3238 * double-int.c (double_int_div): Use double_int_divmod.
3239 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3240 double_int_mod, double_int_smod, double_int_umod): New functions.
3241 * double-int.h (double_int_divmod, double_int_sdivmod,
3242 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3244 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3246 (get_computation_aff, get_computation_cost_at): Handle double_int
3247 return type of constant_multiple_of.
3249 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3252 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3253 an implicit conversion.
3255 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3257 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3259 2006-08-27 Roger Sayle <roger@eyesopen.com>
3261 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3264 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3266 * config/i386/crtfastmath.c: Fix a comment typo.
3268 2006-08-26 Roger Sayle <roger@eyesopen.com>
3270 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3271 temporary visit flags on CASE_LABEL_EXPRs.
3272 * c-common.c (match_case_to_enum): Add function comment. Avoid
3273 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3274 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3275 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3276 a constant, only warn if that constant value isn't handled.
3278 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3281 * input.h (restore_input_file_stack): Declare.
3282 (INPUT_FILE_STACK_BITS): Define.
3283 * toplev.c (fs_p, input_file_stack_history,
3284 input_file_stack_restored, restore_input_file_stack): New.
3285 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3286 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3287 (pop_srcloc): Don't free old state of stack.
3289 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3292 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3293 (PowerPC Type Attributes): New.
3295 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3297 * config/xtensa/xtensa.c (function_arg_boundary): New.
3298 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3300 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3301 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3303 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3306 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3309 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3311 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3312 (verify_local_live_at_start): Likewise.
3314 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3317 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3318 omp_add_variable): Treat sizes as variable whenever not
3321 2006-08-26 Richard Guenther <rguenther@suse.de>
3324 * fold-const.c (fold_binary): Fold temporary to correct
3325 type before constructing new comparison.
3327 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3330 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3331 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3333 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3336 * c-decl.c (start_function): Don't try to process prototype
3337 information from old declaration that isn't a function.
3339 2006-08-25 Jan Hubicka <jh@suse.cz>
3342 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3344 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3347 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3350 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3352 PR tree-optimization/16876
3353 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3354 exit if PARM doesn't match VALUE.
3356 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3358 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3359 literal_prefix directive.
3360 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3361 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3362 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3364 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3367 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3368 predicate to general_operand. Add 0->y and I->r alternatives.
3370 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3372 * doc/tm.texi: Fix a typo.
3373 * predict.c: Fix comment typos.
3375 2006-08-25 Nick Clifton <nickc@redhat.com>
3377 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3378 assertions of "cpu" and "machine".
3380 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3383 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3384 the access through a base which has an alias set of 0 cannot
3387 2006-08-24 Bill Wendling <wendling@apple.com>
3389 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3391 2006-08-24 Jan Hubicka <jh@suse.cz>
3393 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3395 2006-08-24 Jan Hubicka <jh@suse.cz>
3398 * cgraph.c: Fix comments.
3399 (cgraph_varpool_mark_needed_node): Mark only variables not already
3401 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3402 (cgraph_varpool_assembled_nodes_queue): New static variable.
3403 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3404 (cgraph_varpool_output_debug_info): New function.
3405 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3406 * Makefile.in: Add gt-cgraphunit.h
3408 2006-08-24 Jan Hubicka <jh@suse.cz>
3410 * predict.c (probability_reliable_p): New predicate.
3411 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3412 (predict_loops): Do not predict loop exit with less than 2%
3414 * basic-block.h (edge_probability_reliable_p,
3415 br_prob_note_reliable_p): Declare.
3416 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3417 prediction when static predictor is not reliable.
3418 * rs6000.c (output_cbranch): Likewise.
3420 2006-08-23 Stuart Hastings <stuart@apple.com>
3423 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3424 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3426 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3429 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3430 complex values, nor for generic vector values.
3432 2006-08-22 Richard Guenther <rguenther@suse.de>
3435 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3436 parameter. Convert arguments to arithmetic expression to the
3438 (analyze_scalar_evolution_1): Adjust caller.
3440 2006-08-22 Jan Hubicka <jh@suse.cz>
3442 Patch by Paolo Bonzini
3443 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3446 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3448 PR tree-optimization/28003
3449 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3450 before grouping aliases.
3452 2006-08-22 Roger Sayle <roger@eyesopen.com>
3454 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3455 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3457 2006-08-21 Jason Merrill <jason@redhat.com>
3460 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3461 wrapper. Loop to handle nested wrappers.
3462 (gimplify_bind_expr): Remove temp parameter.
3463 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3464 and STATEMENT_LIST on the rhs.
3465 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3466 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3467 (gimplify_target_expr): Remove special BIND_EXPR handling.
3469 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3471 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3474 2006-08-21 Olivier Hainque <hainque@adacore.com>
3476 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3477 Arrange for the temporary captures of components overlapping the lhs
3478 to happen before the lhs is possibly cleared.
3480 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3482 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3483 necessary places to pass the correct "number of registers" values
3486 2006-08-20 Jan Hubicka <jh@suse.cz>
3488 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3489 (create_name_tags): Instead of quadratic checking use hashtable.
3490 * bitmap.h: Include hashtab.h.
3491 (bitmap_hash): Declare.
3492 * bitmap.c (bitmap_hash): New function.
3494 2006-08-20 Jan Hubicka <jh@suse.cz>
3496 PR rtl-optimization/28071
3497 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3499 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3500 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3501 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3502 cgraph_decide_inlining_incrementally): Update use of
3503 cgraph_check_inline_limits.
3504 * cgraph.c (edge_hash, edge_eq): New function.
3505 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3506 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3507 cgraph_remove_node): Maintain call site hash.
3508 * cgraph.h (struct cgraph_node): Add call_site_hash.
3509 (cgraph_set_call_stmt): New function.
3511 2006-08-20 Jan Hubicka <jh@suse.cz>
3513 PR rtl-optimization/28071
3514 * reload1.c (reg_has_output_reload): Turn into regset.
3515 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3516 choose_reload_regs, emit_reload_insns): Update to new
3517 reg_has_output_reload.
3519 2006-08-20 Jan Hubicka <jh@suse.cz>
3522 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3523 function body sizes.
3524 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3526 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3529 * tree.c (handle_dll_attribute): Return early if not a
3530 var or function decl.
3532 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3535 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3536 alignment of SPE vector types.
3538 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3540 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3542 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3545 * cgraph.h (struct cgraph_node): Remove externally_visible
3547 * cgraphunit.c (process_function_and_variable_attributes): Set
3548 local.externally_visible rather than externally_visible.
3551 * c-common.c (handle_externally_visible_attribute): First look
3552 at TREE_CODE and only if it is function or var decl, check for
3553 non-public objects. Don't warn for DECL_EXTERNAL.
3554 * cgraphunit.c (process_function_and_variable_attributes): Warn
3555 if externally_visible attribute is used on non-public object.
3557 2006-08-17 Jan Hubicka <jh@suse.cz>
3559 PR tree-optimization/27865
3560 * reload1.c (forget_marked_reloads): New function.
3561 (forget_old_reloads_1): When data are passed, just mark the registers
3563 (reload_as_needed): Use the new mechanizm.
3565 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3568 * reload.h (reg_equiv_alt_mem_list): New declaration.
3569 * reload1.c (reg_equiv_alt_mem_list): New definition.
3570 (reload): Initialize it and release it.
3571 (delete_output_reload): Use it.
3572 * reload.c (push_reg_equiv_alt_mem): New function.
3573 (find_reloads_toplev): Call it.
3574 (find_reloads_address, find_reloads_address_1): Likewise.
3575 (find_reloads_subreg_address): Likewise.
3577 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3579 PR rtl-optimization/28489
3580 * sched-ebb.c (begin_schedule_ready): Create basic block
3582 (advance_target_bb): Skip empty blocks.
3583 * haifa-sched.c (bb_note): Make global.
3584 * sched-int.h (bb_note): Add prototype.
3586 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3588 PR tree-optimization/27865
3589 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3591 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3592 fold_used_pointer, pointer_used_p): New functions.
3593 (analyze_scalar_evolution_1): Use fold_used_pointer.
3594 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3595 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3598 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3601 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3602 or the INTEGER_CST. Fail on a CALL_EXPR.
3603 (fold_offsetof): Pass new argument to fold_offsetof_1.
3604 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3605 operand into an INDIRECT_REF.
3606 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3608 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3610 PR gcov/profile/26570
3611 * value-prof.c (static_values): Removed.
3612 (tree_find_values_to_profile): Do not set static_values.
3613 (find_values_to_profile): Do not free static_values.
3614 * profile.c (instrument_values): Do not free the values.
3615 (branch_prob): Free the values.
3617 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3619 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3621 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3624 * c-typeck.c (build_component_ref): Combine qualifiers of
3625 structure or union and field.
3627 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3629 PR rtl-optimization/28071
3630 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3631 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3632 * tree-into-ssa.c (struct dom_dfsnum): New.
3633 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3635 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3636 compute_global_livein.
3637 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3638 in phi nodes in the correct blocks.
3640 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3642 PR tree-optimization/28364
3643 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3645 (fold_affine_expr): New function.
3646 (may_eliminate_iv): Use fold_affine_expr.
3648 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3651 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3654 2006-08-16 Mike Stump <mrs@apple.com>
3656 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3657 * doc/cppopts.texi (-MD): Likewise.
3659 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3662 * c-common.c (handle_weak_attribute): Ignore and warn if
3663 not a FUNCTION_ or VAR_DECL.
3665 2006-07-15 Mike Stump <mrs@apple.com>
3668 * c-parser.c (c_parser_typeof_specifier): Don't use
3669 c_finish_expr_stmt, open code desired semantics instead.
3671 2006-08-15 Nick Clifton <nickc@redhat.com>
3673 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3674 fragment to tmake_file only if threads are enabled.
3675 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3676 * config/i386/t-gthr-win32: New file. ... here.
3678 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3681 * c-parser.c (c_parser_compound_statement_nostart): Reset
3682 parser->error after each statement.
3684 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3687 * omp-low.c (lower_omp_parallel): Convert t to
3688 receiver_decl's type.
3689 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3690 source before comparison.
3693 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3694 to itype in assignment to oldival2.
3696 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3700 * c-typeck.c (build_compound_expr): If the second expression
3701 is an error mark, then just return an error mark instead of
3702 creating a COMPOUND_EXPR.
3704 2006-07-14 Mike Stump <mrs@apple.com>
3706 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3708 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3710 * c-decl.c, var-tracking.c: Fix comment typos.
3712 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3714 PR rtl-optimization/28634
3715 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3716 for floating-point modes unless flag_unsafe_math_optimizations.
3718 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3719 Andrew Pinski <pinskia@physics.uc.edu>
3722 * tree.c (build_array_type): Unify array types with
3723 unspecified index_type.
3724 * c-decl.c (grokdeclarator): Make sure we do not modify a
3725 unified incomplete array type.
3726 * c-typeck.c (store_init_value): Create distinct type before
3727 filling in the index type in an initializer from a compound
3730 * c-decl.c (grokdeclarator): Remove code where we copy the
3733 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3735 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3736 into account for TODO_dump_cgraph.
3737 (TODO_update_ssa_no_phi): Likewise.
3738 (TODO_update_ssa_full_phi): Likewise.
3739 (TODO_update_ssa_only_virtuals): Likewise.
3740 (TODO_remove_unused_locals): Likewise.
3741 (TODO_set_props): Likewise.
3742 (TODO_update_stmt_usage): Likewise.
3744 2006-08-13 Dirk Mueller <dmueller@suse.de>
3746 * c-common.c (strict_aliasing_warning): Fix formatting.
3748 2006-08-13 Matthias Klose <doko@debian.org>
3750 * doc/invoke.texi: Fix spelling errors.
3752 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3754 PR rtl-optimization/23454
3755 * reorg.c (relax_delay_slots): Update comment.
3757 2006-08-11 Richard Guenther <rguenther@suse.de>
3760 * simplify-rtx.c (simplify_const_relational_operation):
3761 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3764 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3766 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3767 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3769 2006-08-10 Paul Brook <paul@codesourcery.com>
3771 * final.c (final_scan_insn): Clear current_insn_predicate before
3772 outputting inline asm.
3774 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3776 PR tree-optimization/26197
3777 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3778 get_ref_base_and_extent and overlap_subvar to add only relevant
3779 subvars as may-aliases.
3780 (add_may_alias_for_new_tag): New function, factored out of
3782 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3783 with additional argument.
3784 * tree-flow.h (new_type_alias): Takes additional argument.
3786 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3788 * gcov.c (no_data_file): New flag.
3789 (read_count_file): Set it if data file not present. Assume counts
3791 (output_lines): Don't name the data file, if there wasn't one.
3793 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3795 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3796 (rs6000_generate_compare): Tweak comments.
3797 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3799 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3801 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3802 (var_debug_decl): New function.
3803 (var_reg_set): Follow debug decl link. Add location even if
3804 reg is already known to hold some other variable.
3805 (var_mem_set): Follow debug decl link.
3806 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3807 decl link. Delete other known locations of the variable part
3809 (var_reg_delete, var_mem_delete): Delete other known locations
3810 of the variable part if requested.
3811 (same_variable_part_p): New function.
3812 (add_stores): Select MO_COPY when appropriate.
3813 (vt_initialize): Handle it.
3814 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3815 known locations for MO_SET and MO_CLOBBER.
3816 (find_variable_location_part): New function.
3817 (set_variable_part, delete_variable_part): Use it.
3818 (clobber_variable_part): New function.
3819 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3822 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3824 PR tree-optimization/26969
3825 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3826 with an empty list of PHIs.
3828 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3832 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3835 2006-08-06 Andreas Schwab <schwab@suse.de>
3837 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3838 string. Whitespace and comment fixup.
3840 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3843 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3847 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3850 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3852 2006-08-04 Jan Hubicka <jh@suse.cz>
3856 * reload.c (push_reload): Patch out the mismatching instruction;
3858 (find_reload): Bail out if the instruction was patched out.
3860 2006-08-04 Jan Hubicka <jh@suse.cz>
3862 PR tree-optimization/24888
3863 * tree-inline.c (expand_call_inline): Do not re-record variables.
3864 (declare_inline_vars): Add variable to unexpanded_var_list.
3866 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3867 Roger Sayle <roger@eyesopen.com>
3869 PR rtl-optimization/26244
3870 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3871 inner_const are negative or greater than or equal to the bitsize of
3872 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3873 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3874 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3875 CONST0_RTX (mode) when the new shift count is greater than or equal to
3876 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3879 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3881 * tree-cfg.c: Fix a comment typo.
3883 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3886 * varasm.c (output_constant): Give the front end another chance to
3887 expand constants, after stripping NOPs.
3889 2006-08-03 Jan Hubicka <jh@suse.cz>
3891 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3894 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3896 PR tree-optimization/27770
3897 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3898 declaration removed (moved to tree-flow.h).
3899 (vect_can_force_dr_alignment_p): Likewise.
3900 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3901 (moved from tree-vectorizer.h).
3902 (vect_can_force_dr_alignment_p): Likewise.
3903 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3904 from outside the vectorizer - in particular from cgraph stage.
3905 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3906 the alignment of global arrays when -fsection-anchors is enabled.
3907 * cgraphunit.c (cgraph_increase_alignment): New function.
3908 (cgraph_optimize): Call cgraph_increase_alignment.
3910 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3913 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3914 not reload a SPE symbol_ref into a lo_sum address.
3916 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3919 * dwarf2out.c (prune_unused_types_prune): Move call to
3920 prune_unused_types_update_strings to cover the parent DIE also.
3922 2006-08-02 Jan Hubicka <jh@suse.cz>
3924 PR gcov/profile/28480
3925 * tree-cfg.c (change_bb_for_stmt): New function.
3926 (tree_merge_blocks, tree_split_blocks): Use it.
3928 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3934 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3935 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3936 (cgraph_optimize): Likewise.
3938 2006-08-01 Stuart Hastings <stuart@apple.com>
3940 * rtl.h (UINTVAL) New.
3941 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3942 * testsuite/gcc.dg/20060801-1.c: New.
3944 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3947 * c-typeck.c (build_external_type): Mark used enum types.
3948 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3950 (gen_subprogram_die): Whitespace fix.
3952 2006-08-01 Jan Hubicka <jh@suse.cz>
3954 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3955 bitmap when not needed.
3956 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3959 2006-08-01 Dirk Mueller <dmueller@suse.de>
3961 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3963 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3965 * Makefile.in: Revert part of previous patch:
3966 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3969 2006-07-30 Eric Christopher <echristo@apple.com>
3972 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3973 (PowerPC Variable Attributes): New section.
3975 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3977 PR target/28126 (partial fix)
3978 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3980 2006-07-28 Jan Hubicka <jh@suse.cz>
3982 PR rtl-optimization/28071
3983 * cfgrtl.c (rtl_delete_block): Free regsets.
3984 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3986 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3988 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3989 and variables used in dependencies.
3991 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3993 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3994 %fs for -mcmodel=kernel.
3995 (stack_tls_protect_test_di): Likewise.
3997 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3999 * Makefile.in: Use mkinstalldirs.
4001 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4004 * opts-common.c (prune_options): Skip joined switches.
4006 2006-07-27 Jan Hubicka <jh@suse.cz>
4008 PR rtl-optimization/28071
4009 * cselib.c (cselib_process_insn): Don't remove useless values too
4010 often for very large hashtables.
4012 2006-07-27 Jan Hubicka <jh@suse.cz>
4014 PR rtl-optimization/28071
4015 * global.c (greg_obstack): New obstack.
4016 (allocate_bb_info): Use it.
4017 (free_bb_info): Likewise.
4018 (modify_reg_pav): Likewise.
4020 2006-07-27 Roger Sayle <roger@eyesopen.com>
4022 * builtins.c (fold_fixed_mathfn): When long and long long are the
4023 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4024 functions to their lceil*, lfloor*, lround* and lrint* forms.
4026 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4029 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4031 (rev_branch_insn): Likewise.
4033 2006-07-27 Jan Hubicka <jh@suse.cz>
4035 PR rtl-optimization/28071
4036 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4037 (reg_set_in_bb, max_reg_computed): New static variables.
4038 (regmove_optimize): Free the new array.
4039 (fixup_match_1): Update call of reg_is_remote_constant_p.
4041 2006-07-26 Jan Hubicka <jh@suse.cz>
4043 PR tree-optimization/27882
4044 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4046 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4048 (cgraph_analyze_compilation_unit): Likewise.
4049 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4050 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4051 (cgraph_early_inlinine): Make order garbage collected.
4052 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4054 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4056 * dbxout.c (output_types_sort): Add a comment.
4057 (output_used_types): Free the VEC.
4059 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4061 * function.c (reorder_fix_fragments): Delete.
4062 (reorder_blocks): Don't call it.
4063 (reorder_blocks_1): Put all subblocks under the origin block.
4065 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4067 PR rtl-optimization/27907
4068 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4071 2006-07-25 Roger Sayle <roger@eyesopen.com>
4074 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4075 bar(x) check that bar's result type can represent all the values of T.
4077 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4079 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4081 2006-07-25 Nick Clifton <nickc@redhat.com>
4083 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4084 size_lookup[] array.
4085 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4086 (ggc_pch_count_object): Likewise.
4087 (ggc_pch_alloc_object): Likewise.
4088 (ggc_pch_write_object): Likewise.
4089 (init_ggc): Do not attempt to initialize entries in the
4090 size_lookup[] array for objects whose size is greater than than
4091 the length of the array.
4093 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4095 * dbxout.c (output_used_types_helper): Push queued types
4097 (output_types_sort): New.
4098 (output_used_types): Collect used types on a VEC and sort them
4101 2006-07-24 Richard Guenther <rguenther@suse.de>
4104 * cgraph.c (cgraph_remove_node): Do not check if dumps
4106 * cgraphunit.c (cgraph_optimize): Likewise.
4108 2006-07-24 Jan Hubicka <jh@suse.cz>
4110 PR rtl-optimization/28071
4111 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4112 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4113 splitting before first stmt.
4115 2006-07-24 Jan Hubicka <jh@suse.cz>
4117 PR rtl-optimization/28071
4118 * ipa-inline.c (update_caller_keys): Remove edges that
4119 are no longer inline candidates.
4121 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4124 * dbxout.c (output_used_types_helper, output_used_types): New.
4125 (dbxout_symbol): Call output_used_types.
4127 2006-07-23 Jan Hubicka <jh@suse.cz>
4131 * cgraph.c (cgraph_varpool_nodes): Export.
4132 (decide_is_variable_needed): Ignored "used" attribute in
4133 unit-at-a-time mode.
4134 * cgraph.h (cgraph_varpool_nodes): Declare.
4135 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4136 unit-at-a-time mode.
4138 2006-07-23 Roger Sayle <roger@eyesopen.com>
4141 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4142 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4143 the __gthrw form of thr_keycreate.
4144 (__gthread_key_delete): Silence the unused argument warning.
4146 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4149 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4150 Cache the last found '\0' marker to avoid quadratic behavior.
4152 2006-07-23 Jan Hubicka <jh@suse.cz>
4154 * i386.md (subsi_3_zext): Fix output template.
4156 2006-07-21 Mike Stump <mrs@apple.com>
4158 * doc/invoke.texi (C++ Dialect Options): Note that
4159 -fvisibility-inlines-hidden doesn't affect explicitly
4160 instantiationed inline methods.
4162 2006-07-20 Roger Sayle <roger@eyesopen.com>
4164 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4165 if the target assembler is GNU binutils' gas.
4166 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4167 whether to pass GNU gas or native as command line options.
4169 2006-07-20 Jason Merrill <jason@redhat.com>
4171 * tree.c (remove_attribute): New fn.
4172 * tree.h: Declare it.
4174 2006-07-20 Paul Brook <paul@codesourcery.com>
4177 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4178 they are invalidated by this instruction.
4180 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4183 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4185 2006-07-20 Eric Christopher <echristo@apple.com>
4188 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4190 2006-07-19 Eric Christopher <echristo@apple.com>
4192 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4193 Rewrite dependencies for libgcc_s.1.dylib.
4195 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4197 * except.c (duplicate_eh_regions_1): Clear next_peer.
4199 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4201 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4202 -mlongcall does not guarantee all calls will be long.
4203 * doc/extend.texi (long_call/short_call): Document that longcall
4204 does not guarantee a long call will be used.
4205 (longcall/shortcall): Likewise.
4207 2006-07-18 Roger Sayle <roger@eyesopen.com>
4210 * expmed.c (expand_shift): Additionally check that the shift_cost
4211 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4212 before implementing a LSHIFT_EXPR as a sequence of additions.
4213 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4214 middle-end that DImode shifts need to be synthesized by expand.
4216 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4219 * tree-ssa-operands.c (access_can_touch_variable): Update
4221 Return true if ALIAS is .GLOBAL_VAR.
4223 2006-07-18 David Daney <ddaney@avtrex.com>
4225 * gcc.c (display_help): Fix typo in help text.
4227 2006-07-18 Olivier Hainque <hainque@adacore.com>
4229 * tree.h (categorize_ctor_elements): Adjust prototype and add
4230 descriptive comment, both in accordance with the interface change
4232 * varasm.c (constructor_static_from_elts_p): New function.
4233 Whether a constructor node is a valid static constant initializer
4234 if all its elements are.
4235 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4236 * output.h: Declare it.
4237 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4238 is a valid constant initializer instead of computing the number of
4239 non-constant elements. Use constructor_static_from_elts_p for this
4240 purpose. Replace the head comment with an indication that this is a
4241 helper for categorize_ctor_elements.
4242 (categorize_ctor_elements): Same interface change as for the _1
4243 helper. Former head comment from this helper moved here, adjusted to
4244 account for the interface changes.
4245 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4246 (all_zeros_p): Likewise.
4247 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4248 static versions of the constructor from the categorize_ctor_elements
4249 return value instead of the formerly computed number of non-constant
4252 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4254 * configure: Regenerate.
4255 * Makefile.in (build_libsubdir): New configure substitution
4256 (build_libobjdir): New variable.
4257 (BUILD_LIBIBERTY): Use it.
4259 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4262 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4264 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4267 * c-common.c (handle_weakref_attribute): Ignore attribute in
4268 the same conditions the alias attribute is ignored.
4270 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4272 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4273 (dbxout_begin_prologue): Increment scope_labelno.
4275 2006-07-17 Richard Henderson <rth@redhat.com>
4278 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4281 2006-07-17 Roger Sayle <roger@eyesopen.com>
4282 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4284 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4285 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4286 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4287 functions such as sbrk, write, etc.. Add function prototypes.
4288 Convert function declarations from K&R to ISO C. Cast pointers
4289 to "long" and "unsigned long" instead of "int" and "unsigned int".
4290 Convert tokens following #endif into comments.
4292 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4294 * invoke.texi: Remove mention of f77; Reformat table for
4295 inline parameter options correctly; mention that -malign-double
4296 is default on x86-64 targets.
4298 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4300 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4301 (convert_affine_scev, chrec_convert_aggressive): Use
4302 avoid_arithmetics_in_type_p. Do not check for the subtypes
4305 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4308 * optabs.c (expand_doubleword_shift): Wrap the call to
4309 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4311 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4314 * optabs.c (expand_binop): Pass next_methods rather than methods
4315 to expand_doubleword_shift.
4317 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4320 * tree.h (dump_addr): Declare.
4321 * print-tree.c (dump_addr): New function.
4322 (print_node_brief, print_node): Use it.
4323 * print-rtl.c (print_rtx): Likewise.
4324 * common.opt (-fdump-noaddr): New option.
4325 * doc/invoke.texi (-fdump-noaddr): Document.
4326 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4327 (ve_info_hash): Likewise.
4329 2006-07-13 Andrew Haley <aph@redhat.com>
4331 PR tree-optimization/19505
4332 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4333 edge leaving this block, make sure that the destination of this
4334 block has only one predecessor.
4336 2006-07-17 Richard Guenther <rguenther@suse.de>
4338 PR tree-optimization/28238
4339 * tree-inline.c (copy_bb): Check if we produced valid
4340 gimple copying and substituting a stmt. If not, gimplify
4343 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4345 * optabs.c (maybe_encapsulate_block): New function extracted from...
4346 (emit_libcall_block): ...here. Invoke it on the block of insns to
4347 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4348 (emit_no_conflict_block): Likewise.
4350 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4352 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4354 2006-07-15 Roger Sayle <roger@eyesopen.com>
4356 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4357 a new NOP_EXPR case of the switch statement.
4359 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4362 * stor-layout.c (place_field): Take the bit field with
4363 an excessive size into account in the ms-bitfiled case.
4366 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4367 the previous bit field.
4369 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4372 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4374 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4376 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4377 signal frames correctly even when the signal was installed with
4380 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4382 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4383 (dbxout_function_end): Use local label LFBB. Remove hook
4385 (dbxout_source_line): Use local label LFBB.
4386 (dbxout_block): Likewise.
4387 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4388 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4389 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4390 and DBX_OUTPUT_NFUN.
4392 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4394 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4396 2006-07-13 Jan Hubicka <jh@suse.cz>
4398 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4400 * output.h (align_variable): Declare.
4401 * varasm.c (align_variable): Export.
4402 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4403 when basic block changed.
4405 2006-07-13 Nick Clifton <nickc@redhat.com>
4407 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4408 walking the LOG_LINKS chain.
4410 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4412 * doc/invoke.texi (C++ Dialect Options): Explain difference
4413 between -fvisibility-inlines-hidden and setting hidden
4414 visibility explicitly.
4416 2006-07-12 Eric Christopher <echristo@apple.com>
4418 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4419 (stmp-lipo): Depend on libgcc.a.
4421 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4423 * tree.c: Fix a comment typo.
4425 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4427 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4429 (umulhisi3_r): Likewise.
4431 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4434 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4435 x < 19, vs wchar_t support.
4437 2006-07-12 Nick Clifton <nickc@redhat.com>
4439 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4440 instead of -isa=sh4.
4442 2006-07-12 Mike Stump <mrs@apple.com>
4444 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4446 2006-07-10 Eric Christopher <echristo@apple.com>
4448 * config/t-slibgcc-darwin: Rewrite.
4450 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4453 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4456 2006-07-08 Matthias Klose <doko@debian.org>
4458 * doc/sourcebuild.texi: Fix typo.
4460 2006-07-07 Mike Stump <mrs@apple.com>
4462 * toplev.c (process_options): Don't give -ffunction-sections may
4463 affect debugging warning for Mach-O.
4465 2006-07-07 James E Wilson <wilson@specifix.com>
4467 * config/mips/mips.md (cpu): Add sb1a.
4468 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4469 addition to sb1. Adjust comments to clarify SB-1A differences from
4471 (ir_sb1a_load): New. Modify bypasses to use it.
4472 (ir_sb1a_simple_alu): Likewise.
4473 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4474 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4475 (mips_issue_rate): Add PROCESSOR_SB1A.
4476 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4477 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4478 (TARGET_SB1): Add PROCESSOR_SB1A check.
4479 (TUNE_SB1): Likewise.
4481 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4482 * config/mips/mips.c (mips_store_data_bypass_p): New.
4483 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4484 store_data_bypass_p.
4486 2006-07-08 Paul Brook <paul@codesourcery.com>
4489 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4491 2006-07-07 Richard Guenther <rguenther@suse.de>
4494 * tree.h (build_one_cst): Declare.
4495 * tree.c (build_one_cst): New function.
4496 * tree-ssa-math-opts.c (get_constant_one): Remove.
4497 (insert_reciprocals): Use build_one_cst.
4498 * fold-const.c (fold_plusminus_mult): Likewise.
4500 2006-07-07 Roger Sayle <roger@eyesopen.com>
4502 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4503 * cfgloopanal.c (dump_graph): Likewise.
4504 * dojump.c (discard_pending_stack_adjust): Likewise.
4505 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4507 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4508 * function.c (finalize_block_changes): Likewise.
4509 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4510 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4511 * rtl.c (dump_rtx_statistics): Likewise.
4512 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4514 * varray.c (dump_varray_statistics): Likewise.
4515 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4516 decode_decimal64, encode_decimal128, decode_decimal128,
4517 decimal_real_to_decimal): Likewise.
4519 2006-07-07 Richard Guenther <rguenther@suse.de>
4521 PR tree-optimization/28187
4522 * tree-vrp.c (vrp_operand_equal_p): New function.
4523 (vrp_bitmap_equal_p): Likewise.
4524 (update_value_range): Use them to compare old and new
4527 2006-07-06 Roger Sayle <roger@eyesopen.com>
4529 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4530 a default case to switch statement to silence compiler warnings.
4532 2006-07-06 Roger Sayle <roger@eyesopen.com>
4535 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4536 the configured assembler supports the x87's ffreep mnemonic.
4537 * configure: Regenerate.
4538 * config.in: Regenerate.
4540 * config/i386/i386.c (output_387_ffreep): New function.
4541 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4542 (output_387_reg_move): Likewise.
4544 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4546 Port to hosts whose 'sort' and 'tail' implementations
4547 treat operands with leading '+' as file names, as POSIX
4548 has required since 2001. However, make sure the code still
4549 works on pre-POSIX hosts.
4550 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4551 which says you should use "tail -c +N" rather than "tail +Nc".
4552 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4554 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4556 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4559 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4562 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4563 PRE_{INC,DEC} of TFmode.
4565 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4566 Alan Modra <amodra@bigpond.net.au>
4569 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4572 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4575 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4576 Remove duplicate gtu.
4578 2006-07-05 Jason Merrill <jason@redhat.com>
4582 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4583 * c-common.c (handle_packed_attribute): So don't copy it here.
4584 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4586 2006-07-05 Mike Stump <mrs@apple.com>
4588 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4590 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4593 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4595 2006-07-05 Richard Guenther <rguenther@suse.de>
4598 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4599 TARGET_SSE2 targets if using SSE math.
4600 (*absdf2_1): Likewise.
4602 2006-07-05 Richard Guenther <rguenther@suse.de>
4604 PR tree-optimization/28162
4605 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4606 make sure to convert the operands to the correct type.
4608 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4610 PR tree-optimization/28218
4612 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4613 to calculate and free the dominator information.
4615 2006-07-04 Peter O'Gorman <peter@pogma.com>
4617 * mklibgcc.in: chmod 644 before ranlib during install.
4619 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4620 J"orn Rennecke <joern.rennecke@st.com>
4622 * configure.ac (.eh_frame data check): Use diff -b.
4624 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4627 * Makefile.in (BUILD_RTL): Add build/vec.o.
4628 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4629 (build/genextract): Delete.
4630 (build/genautomata): Likewise.
4632 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4635 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4636 128-bit IBM long doubles for ABI_V4.
4638 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4640 * tree.c (range_in_array_bounds_p): New predicate.
4641 * tree.h (range_in_array_bounds_p): Declare it.
4642 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4643 return a less conservative answer.
4644 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4645 and flag 'is_group'.
4646 (IS_ELEMENT_FOR_GROUP): New macro.
4647 (FOR_EACH_ACTUAL_CHILD): Likewise.
4648 (next_child_for_group): New helper function.
4649 (can_completely_scalarize_p): Take into account groups.
4650 (sra_hash_tree): Handle RANGE_EXPR.
4651 (sra_elt_eq): Likewise.
4652 (lookup_element): Be prepared for handling groups.
4653 (is_valid_const_index): Delete.
4654 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4655 instead of is_valid_const_index.
4656 <ARRAY_RANGE_REF>: New case.
4657 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4658 is_valid_const_index.
4659 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4660 (scan_dump): Dump info for groups too.
4661 (decide_instantiation_1): Likewise.
4662 (decide_block_copy): Assert that the element is not a group.
4663 Propagate decision to groups.
4664 (generate_one_element_ref): Handle RANGE_EXPR.
4665 (mark_no_warning): Iterate over actual childs.
4666 (generate_copy_inout): Likewise.
4667 (generate_element_copy): Likewise.
4668 (generate_element_zero): Likewise.
4669 (generate_element_init_1): Likewise.
4670 (dump_sra_elt_name): Handle RANGE_EXPR.
4672 2006-07-03 Roger Sayle <roger@eyesopen.com>
4674 PR tree-optimization/26251
4675 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4676 (thread_block): When optimizing for size refuse to thread jumps
4677 that would require duplication of blocks other than redirection
4680 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4682 * configure.ac: Fix thinko in previous check-in.
4683 * configure: Regenerate.
4685 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4688 * configure.ac (for lang...): Simplify nesting of conditionals.
4689 Test subdir_requires for non-enabled languages. Move processing
4690 of lang_opt_files and lang_tree_fiels below that test.
4691 * configure: Regenerate.
4692 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4694 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4696 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4698 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4700 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4703 2006-06-29 Jason Merrill <jason@redhat.com>
4710 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4711 * c-common.c (c_determine_visibility): Handle it here.
4712 * c-decl.c (finish_decl): Call c_determine_visibility for
4714 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4716 * varasm.c (default_assemble_visibility): Likewise.
4717 * c-common.c (handle_visibility_attribute): Complain about trying
4718 to give visibility to an already defined class, or trying to change
4719 declared visibility. Always attach the attribute.
4724 * attribs.c (decl_attributes): Ignore type-in-place attributes
4725 once the type has been defined.
4727 2006-06-29 Roger Sayle <roger@eyesopen.com>
4730 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4731 to indicate the cpplib has issued an error message for us.
4733 2006-06-29 Asher Langton <langton2@llnl.gov>
4736 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4737 insert a label at the end of an function under Mach-O.
4739 2006-06-29 Eric Christopher <echristo@apple.com>
4740 Evan Cheng <evan.cheng@apple.com>
4742 * predicates.md (vector_all_ones_operand): New.
4743 (nonimmediate_or_sse_const_operand): Ditto.
4744 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4745 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4746 (standard_sse_mode_p): Ditto.
4747 (standard_sse_constant_p): Add case for -1 vector.
4748 (ix86_expand_vector_move): Try to use.
4749 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4750 Call standard_sse_constant_opcode.
4751 (*movv4sf_internal): Ditto.
4752 (*movv2df_internal): Ditto.
4754 2006-06-29 Roger Sayle <roger@eyesopen.com>
4756 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4757 of XEXP to extract the operands of a MATCH_CODE rtx.
4759 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4761 * tree.c (tree_size): Do not waste tail padding in
4762 struct tree_string and make the size be the same as
4763 build_string will generate.
4765 2006-06-28 Jason Merrill <jason@redhat.com>
4768 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4769 may_aliases already in the tag's annotations to the bitmap.
4771 2006-06-28 Roger Sayle <roger@eyesopen.com>
4773 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4775 2006-06-28 Roger Sayle <roger@eyesopen.com>
4777 * genpreds.c (generate_switch_p): New function.
4778 (add_mode_tests): Push the new mode test down inside an AND expr
4779 if this allows the switch-suitable MATCH_CODE to be near the root.
4780 (write_match_code_switch): New function to write a MATCH_CODE as
4782 (write_predicate_stmts): New function to write a predicate RTX
4783 expression as a sequence of statements.
4784 (write_one_predicate_function): Use write_predicate_stmts.
4785 (write_tm_constrs_h): Likewise.
4787 2006-06-26 Fred Fish <fnf@specifix.com>
4789 * config/mips/t-sb1: New file.
4790 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4793 2006-06-26 DJ Delorie <dj@redhat.com>
4795 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4797 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4798 Jayant Sonar <jayants@kpitcummins.com>
4799 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4801 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4802 (subsi3, subsi3_1, subsi3_2): New.
4803 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4804 * config/m32c/mov.md (SI mov peephole): New.
4805 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4806 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4808 2006-06-26 Olivier Hainque <hainque@adacore.com>
4810 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4811 a CALL_EXPR target function declaration.
4813 2006-06-26 Richard Guenther <rguenther@suse.de>
4815 * tree.c (build_string): Do not waste tail padding in
4818 2006-06-26 Richard Guenther <rguenther@suse.de>
4820 * ggc-page.c (init_ggc): Add missing element to size_lookup
4824 2006-06-23 Richard Guenther <rguenther@suse.de>
4826 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4827 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4828 alignment requests instead. Add verification code.
4829 Add struct tree_function_decl and struct tree_binfo size to
4830 extra_order_size_table. Add missing element to size_lookup
4833 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4836 * fold-const.c (const_binop): Be prepared for self returning zero.
4837 Simplify code handling complex values.
4839 2006-06-24 Olivier Hainque <hainque@adacore.com>
4841 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4842 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4845 2006-06-24 Olivier Hainque <hainque@adacore.com>
4847 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4848 ARRAY_REF, so have the callback called for the low bound expression.
4850 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4852 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4853 * c-typeck.c (c_common_type): Disallow operations on decimal float
4854 types and other float types.
4855 * convert.c (convert_to_real): Don't ignore conversions involving
4856 decimal float types.
4858 2006-06-23 Olivier Hainque <hainque@adacore.com>
4860 * tree.c (max_int_size_in_bytes): New function, inspired from
4861 code in function.c:assign_temp.
4862 * tree.h (max_int_size_in_bytes): Declare.
4863 * function.c (assign_temp): Use it.
4864 * gimplify.c (create_tmp_var): Relax the assertions on the type
4865 properties, not mandating constant size any more.
4866 (force_constant_size): New static function.
4867 (gimple_add_tmp_var): Use it, forcing variable size to a
4868 constant upper bound if it is not constant on entry.
4870 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4873 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4874 for initialization and setting of one_only flag to ...
4875 (i386_pe_encode_section_info): ...here.
4876 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4877 Recheck that the symbol has not been defined.
4879 2006-06-23 Richard Guenther <rguenther@suse.de>
4881 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4882 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4883 alignment requests instead. Add verification code.
4884 Add struct tree_function_decl and struct tree_binfo size to
4885 extra_order_size_table. Add missing element to size_lookup
4888 2006-06-22 Roger Sayle <roger@eyesopen.com>
4889 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4892 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4893 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4895 2006-06-23 Ben Elliston <bje@au.ibm.com>
4897 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4898 negate dn -- manipulate it directly.
4900 2006-06-22 Roger Sayle <roger@eyesopen.com>
4901 Steven Bosscher <stevenb.gcc@gmail.com>
4904 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4905 generated by gen_move_insn to add REG_LABEL notes if necessary.
4907 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4909 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4910 (leaf_entry): Remove use of MIN_ESA.
4912 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4914 PR rtl-optimization/28121
4915 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4918 2006-06-21 DJ Delorie <dj@redhat.com>
4920 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4922 (mulhisi3_r): Likewise.
4924 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4927 * coverage.c (coverage_counter_alloc): Leave the index type
4929 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4932 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4934 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4935 section from the "Options for Code Generation Conventions".
4937 2006-06-21 Richard Henderson <rth@redhat.com>
4941 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4943 (global_symbolic_operand): Allow weak symbols, even if local_p.
4945 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4947 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4948 (find_interesting_uses_address): Punt if above function returns true.
4950 2006-06-21 Richard Guenther <rguenther@suse.de>
4952 * configure: Regenerated.
4954 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4956 * config/mips/mips.c (function_arg): Where one part of a
4957 complex argument is in registers and the other part in the stack,
4958 return a REG not a PARALLEL.
4960 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4962 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4963 when cross-compiling. Do not substitute libstdcxx_incdir.
4964 * configure: Regenerated.
4966 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4968 * varasm.c (mergeable_string_section): Check for embedded NULs and
4969 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4970 rather than TREE_STRING_LENGTH bytes.
4972 2006-06-21 Richard Guenther <rguenther@suse.de>
4974 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4975 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4978 2006-06-21 Richrad Guenther <rguenther@suse.de>
4980 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4981 Limit iteration over the dominators.
4983 2006-06-20 Roger Sayle <roger@eyesopen.com>
4985 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4986 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4988 2006-06-20 Richard Guenther <rguenther@suse.de>
4989 Michael Matz <matz@suse.de>
4991 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4993 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4994 * et-forest.h (et_free_pools): Prototype new function.
4995 * et-forest.c (et_free_tree_force): Free parent occurrence.
4996 (et_free_pools): New function.
4997 * dominance.c (free_dominance_info): Free et-forest alloc
5000 2006-06-20 Roger Sayle <roger@eyesopen.com>
5002 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5003 integer modes, attempt to directly construct an integer constant.
5005 * fold-const.c (native_encode_vector): Determine the size of each
5006 element from the vector type instead of the first vector element.
5008 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5009 if all of its elements/components are constant.
5010 (build_constructor_from_list): Likewise.
5012 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5014 PR tree-optimization/27331
5015 * tree-data-ref.c (free_data_ref): New function.
5016 (create_data_ref): Fail if the data reference has unknown access
5018 (free_data_refs): Use free_data_ref.
5020 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5023 * tree-inline.c (setup_one_parameter): Strip useless
5024 type conversion before adding it to the IR.
5025 (declare_return_variable): Likewise.
5027 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5030 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5032 2006-06-19 Mike Stump <mrs@apple.com>
5034 * tree.c (variably_modified_type_p): VM arguments don't make the
5037 2006-06-19 Richard Guenther <rguenther@suse.de>
5039 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5040 type conversions after folding.
5042 2006-06-19 Richard Guenther <rguenther@suse.de>
5044 * ggc-page.c (extra_order_size_tab): Add entries with
5045 size of struct function and basic_block.
5046 (size_lookup): Extend to cover sizes up to 511.
5047 (ggc_alloc_stat): Adjust user.
5048 (ggc_pch_count_object): Likewise.
5049 (ggc_pch_alloc_object): Likewise.
5050 (ggc_pch_write_object): Likewise.
5052 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5054 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5055 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5058 2006-06-19 Denis Chertykov <denisc@overta.ru>
5060 * config/avr/libgcc.S : Correct my wrong previous commit.
5062 2006-06-19 Roger Sayle <roger@eyesopen.com>
5065 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5066 have stripped a SUBREG from the shift count, so we may need to
5067 convert_to_mode back to the type's mode before calling make_tree.
5068 Use new_amount instead of amount to avoid expanding a tree twice.
5070 2006-06-19 Richard Guenther <rguenther@suse.de>
5073 * fold-const.c (operand_equal_p): Check if the argument types
5074 have the same precision before stripping NOPs.
5076 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5078 Fix PR tree-optimization/27341
5079 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5081 * tree-complex.c (pass_lower_complex): Update SMT usage.
5083 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5085 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5086 Add a new alternative to the constraint strings. Add move of
5087 operand 1 to 3 to the splitter definition.
5088 ("doloop_si_long"): Second contraint alternative removed.
5090 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5092 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5093 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5095 (AVR_HAVE_MOVW) Define.
5096 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5097 (ASM_SPEC): Add avr25.
5098 (LINK_SPEC): Add avr25.
5099 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5100 (base_arch_s): Add new member 'have_movw_lpmx'.
5101 (avr_arch_types): Init 'have_movw_lpmx'.
5102 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5103 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5104 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5105 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5106 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5108 (avr_file_start): Do not output '.arh' derective.
5109 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5110 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5111 * config/avr/avr.md (mcu_enhanced): Delete.
5112 (mcu_have_movw): Define.
5113 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5114 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5115 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5116 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5117 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5118 attiny861 and at86rf401 devices.
5120 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5122 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5125 2006-06-17 Karl Berry <karl@gnu.org>
5127 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5128 doc/gccint.texi, doc/install.texi (@dircategory): Use
5129 "Software development" instead of "Programming", following
5130 the Free Software Directory.
5132 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5134 * config/i386/i386.c (legitimate_tls_address)
5135 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5136 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5137 (*tls_dynamic_gnu2_combine_64): Likewise.
5139 2006-06-16 Richard Guenther <rguenther@suse.de>
5142 * fold-const.c (negate_expr_p): Do not introduce undefined
5143 overflow in negating INTEGER_CSTs.
5144 (fold_negate_expr): Rename from negate_expr. Revert last
5145 change for folding BIT_NOT_EXPR. Change semantics to
5146 return NULL_TREE for non-simplified negations. Do not
5147 strip type conversions and unify type handling.
5148 (negate_expr): New function, wrap around fold_negate_expr
5149 but ensure building a tree always. Strip type conversions
5150 here, fold to result type.
5151 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5153 2006-06-16 Roger Sayle <roger@eyesopen.com>
5156 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5157 that (would) return their results in stack registers.
5159 2006-06-16 Michael Matz <matz@suse.de>
5160 Richard Guenther <rguenther@suse.de>
5162 * fold-const.c (fold_truthop): Only return new tree node if
5163 we canonicalized something.
5165 2006-06-16 Richard Guenther <rguenther@suse.de>
5167 * function.h (enum function_frequency): Move declaration
5168 out of struct function.
5169 (struct function): Move bool fields and the enum to the bitfield
5170 section. Reorder elements to avoid padding. Remove unused
5171 fields left over from the RTL inliner removal.
5172 * function.c (free_after_compilation): Do not zero removed fields.
5173 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5174 (ipa-type-escape.o): Likewise.
5176 2006-06-16 Richard Guenther <rguenther@suse.de>
5178 * cgraph.h (struct cgraph_local_info): Turn bool elements
5180 (struct cgraph_node): Likewise.
5181 (struct cgraph_varpool_node): Likewise.
5183 2006-06-15 Richard Guenther <rguenther@suse.de>
5185 * fold-const.c (fold_truth_not_expr): Rename from
5186 invert_truthvalue. Give it fold_* semantics to avoid
5188 (invert_truthvalue): New function. Wrapper around
5189 fold_truth_not_expr.
5190 (optimize_minmax_comparison): Avoid creating garbage.
5191 (fold_unary): Use fold_truth_not_expr for folding
5193 (fold_ternary): Replace uses of invert_truthvalue with
5194 fold_truth_not_expr where applicable.
5195 * tree.h (fold_truth_not_expr): Prototype.
5197 2006-06-16 Richard Guenther <rguenther@suse.de>
5199 PR tree-optimization/27781
5200 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5201 * ipa-pure-const.c (target.h): Include.
5202 (analyze_function): Do not analyze functions that do not
5205 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5208 * tree-dfa.c (referenced_vars_dup_list): Remove.
5209 (find_referenced_vars): Remove assert.
5210 (referenced_var_check_and_insert): Replace dup list with assert.
5211 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5212 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5214 2006-06-15 Richard Guenther <rguenther@suse.de>
5216 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5217 extra unused identifiers if not dumping.
5218 (create_variable_info_for): Likewise.
5220 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5222 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5223 (derive_constant_upper_bound): Derive more precise upper bound in
5224 common cases. Return type changed to double_int.
5225 (record_estimate): Reflect the changed return type of
5226 derive_constant_upper_bound.
5227 * double-int.c (double_int_zext, double_int_sext): Fix.
5229 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5231 * configure.ac (CFLAGS): Get them from the toplevel or from the
5232 configure invocation.
5233 * configure: Regenerate.
5234 * Makefile.in (CFLAGS): Substitute value provided by configure.
5236 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5239 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5240 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5241 rather than calling add_stmt on it.
5242 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5244 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5247 * reload1.c (reload): Remove registers returned by update_eliminables
5248 from used_spill_regs.
5250 2006-06-13 DJ Delorie <dj@redhat.com>
5252 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5254 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5256 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5257 html__strip_dir, html__mkdir_p. Enhance install-html target.
5258 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5259 * configure: Regenerate.
5261 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5263 * fold-const.c (fold_cond_expr_with_comparison): Check for
5264 Objective-C++ as language in deciding COND_EXPR transformation.
5266 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5269 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5270 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5271 * config/sh/lib1funcs.h (SL, SL1): Define.
5272 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5273 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5274 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5275 (OBJS_Os_4_200): New variable.
5276 ($(T)libgcc-Os-4-200.a): Use it.
5277 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5278 when dividing 1 and/or by 0.
5280 2006-06-13 Roger Sayle <roger@eyesopen.com>
5282 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5283 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5284 * configure: Regenerate.
5286 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5288 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5289 for real instruction.
5291 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5294 * haifa-sched.c (check_cfg): Handle special case.
5296 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5299 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5300 Add debug_info parameter. Chain the vars to the BLOCK instead
5301 of the BIND_EXPR if debug info are requested for them.
5302 (pop_gimplify_context): Adjust for above change.
5303 (gimple_add_tmp_var): Likewise.
5304 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5306 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5307 (convert_local_reference): Likewise.
5308 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5309 (finalize_nesting_tree_1): Request that debug info be emitted
5310 for debug_var_chain.
5312 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5314 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5315 for PR target/27863.
5317 2006-06-13 Richard Guenther <rguenther@suse.de>
5320 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5322 2006-06-13 Richard Guenther <rguenther@suse.de>
5324 PR tree-optimization/27830
5325 * tree-inline.c (copy_body_r): For copying the operand
5326 of an ADDR_EXPR make sure to fold &* afterwards.
5328 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5330 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5331 lvalues in the fb_none case with side-effects.
5333 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5335 * tree-flow.h: Remove the prototype for
5336 compute_phi_arg_on_exit.
5337 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5338 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5341 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5343 * builtins.c (expand_builtin_return_addr): Only use
5344 frame_pointer_rtx when count == 0 and we are expanding
5345 __builtin_return_address.
5347 2006-06-12 Fred Fish <fnf@specifix.com>
5349 * config/mips/mips.c (mips_file_start): Create special section
5350 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5352 2006-06-11 Eric Christopher <echristo@apple.com>
5355 * stor-layout.c (place_field): Remove check for
5356 remaining_in_alignment when aligning at the end of a run.
5358 2006-06-11 Eric Christopher <echristo@apple.com>
5361 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5364 2006-06-11 Roger Sayle <roger@eyesopen.com>
5367 Revert incorrect fix for PR target/27158
5368 2006-05-08 Roger Sayle <roger@eyesopen.com>
5369 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5370 of a reg_equiv_constant if the result is a legitimate constant.
5372 2006-06-11 Roger Sayle <roger@eyesopen.com>
5375 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5376 extract a CONST_VECTOR element and interpret it as an integer.
5377 (vspltis_constant): Use const_vector_elt_as_int instead of the
5378 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5379 * config/rs6000/predicates.md (easy_vector_const): Consider
5380 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5382 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5385 * stor-layout.c (update_alignment_for_field): Don't add extra
5386 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5389 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5391 * config/mips/t-rtems: Add EL/EB multilib variants.
5393 2006-06-09 Mike Stump <mrs@apple.com>
5395 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5397 2006-06-09 David Daney <ddaney@avtrex.com>
5399 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5401 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5403 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5405 2006-06-09 Richard Guenther <rguenther@suse.de>
5407 PR tree-optimization/26998
5408 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5409 of signed types, only TYPE_MIN_VALUE is special, but for both,
5410 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5411 in this case, as is -fwrapv.
5413 2006-06-08 Mike Stump <mrs@apple.com>
5416 * config/darwin.c (darwin_asm_output_anchor): Disable
5417 -fsection-anchors on darwin for now.
5418 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5419 * rs6000/rs6000.c (optimization_options): Likewise.
5421 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5424 * config/i386/i386.c (classify_argument): Skip fields with invalid
5427 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5429 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5430 (cse_insn): Likewise for the stack_pointer_rtx.
5432 2006-06-08 Roger Sayle <roger@eyesopen.com>
5434 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5435 conditions from floating point comparisons.
5437 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5440 * expmed.c (struct alg_hash_entry): Fix type of field T
5441 to match synth_mult argument.
5442 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5444 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5447 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5450 2006-06-08 Richard Guenther <rguenther@suse.de>
5453 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5454 only, if overflow is defined and not trapping.
5455 (negate_expr): Likewise.
5457 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5459 PR tree-optimization/27872
5460 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5461 flag on the new exit edge of the unrolled loop.
5463 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5465 PR rtl-optimization/26449
5466 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5468 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5471 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5472 referenced_variables with matching DECL_UID's.
5473 (find_referenced_vars): Make sure duplicate list is empty to start.
5474 (referenced_var_p): Remove.
5475 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5476 Check if var is in the list, and add if needed. Update the duplicate
5477 list if a different var is in the list with the same DECL_UID.
5478 (add_referenced_var): Call routine to check and insert.
5479 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5480 * tree-flow.h (referenced_vars_dup_list): External declaration.
5482 2006-06-07 Fred Fish <fnf@specifix.com>
5484 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5487 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5490 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5491 the imaginary and real parts of a clobbered register.
5492 Emit insn to set the imaginary part.
5494 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5496 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5497 in lieu of unwind-dw2-fde.c.
5499 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5501 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5503 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5506 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5507 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5508 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5509 V4SImode temporaries and operations instead.
5511 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5513 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5516 2006-06-06 Mike Stump <mrs@apple.com>
5518 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5519 installing during build.
5521 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5523 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5525 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5526 * config/ia64/ia64.c (params.h): New header.
5527 (ia64_optimization_options): New function to adjust parameters.
5528 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5529 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5530 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5532 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5534 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5536 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5539 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5541 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5542 Victor Kaplansky <victork@il.ibm.com>
5544 PR tree-optimization/26360
5545 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5548 2006-06-04 Roger Sayle <roger@eyesopen.com>
5549 Andrew Pinski <pinskia@physics.uc.edu>
5552 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5553 for LABEL_DECL before calling DECL_WEAK.
5556 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5557 LABEL_DECL and PARM_DECL.
5559 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5563 * c-decl.c (grokdeclarator): Disallow variably modified types at
5564 file scope. Avoid marking shared array type of constant size as
5567 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5570 * c-common.c (fold_offsetof_1): Handle static members.
5572 2006-06-04 Eric Christopher <echristo@apple.com>
5574 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5575 (debug_rli): Output value for remaining_in_alignment.
5576 (update_alignment_for_field): Unconditionalize
5577 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5578 extra alignment code.
5579 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5580 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5581 * tree.h (record_layout_info_s): Remove prev_packed.
5582 * doc/extend.texi (ms_struct): Add documentation of format.
5584 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5586 * tree.h: Declare folding_initializer.
5587 * builtins.c (fold_builtin_constant_p): Give definite answer
5588 if folding inside an initializer.
5589 * fold-const.c: Define folding_initializer.
5590 (START_FOLD_INIT): Save and then set folding_initializer.
5591 (END_FOLD_INIT): Restore folding_initializer.
5593 2006-06-04 Richard Guenther <rguenther@suse.de>
5595 PR tree-optimization/27039
5596 * fold-const.c (fold_comparison): Handle pointer comparison
5597 again for all comparison codes. Compare offsets in signed
5599 (fold_binary): Move code from here.
5601 2006-06-03 Roger Sayle <roger@eyesopen.com>
5604 * config/i386/i386.c (construct_container): Split static issued_error
5605 flag into issued_sse_arg_error, issued_sse_ret_error and
5606 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5607 requires the use of x87 registers and the user explicitly
5608 specified the -mno-80387 command line option.
5610 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5612 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5613 HAVE_DECL_SIGALTSTACK.
5615 (segv_handler): Use MC_FLD.
5616 * configure.ac: Check for a sigaltstack declaration.
5617 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5618 * configure: Regenerate.
5619 * config.in: Regenerate.
5621 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5624 * Makefile.in (stmp-fixinc): Fix typo.
5626 2006-06-02 Roger Sayle <roger@eyesopen.com>
5628 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5629 are type correct. Clean-up.
5630 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5631 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5633 2006-06-01 DJ Delorie <dj@redhat.com>
5635 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5636 shift, as we've disabled the "switch" insn that needs it.
5638 2006-06-01 Per Bothner <bothner@bothner.com>
5640 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5641 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5642 * c-ppoutput.c (cb_define): Don't increment line 0.
5644 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5646 * doc/invoke.texi: Add cpu_type power6.
5647 * config.gcc: Add cpu_type power6.
5648 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5649 to power5+ with Altivec.
5650 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5651 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5653 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5655 * config/avr/avr.h (SET_ASM_OP): Define.
5657 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5659 * config/bfin/bfin.c: Fix comment typos.
5661 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5664 * doc/install.texi: Document --enable-bootstrap and
5665 --disable-bootstrap.
5667 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5669 * doc/install.texi: Document that InfoZIP can replace jar.
5671 2006-05-31 Roger Sayle <roger@eyesopen.com>
5673 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5674 isn't available, directly generate the simpler x87 patterns without
5675 the (use (const_int 0)).
5676 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5677 implementation isn't available.
5678 (*negdf2_1): Likewise.
5679 (*negxf2_1): XF mode negation is always done using the x87.
5680 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5682 2006-05-31 Roger Sayle <roger@eyesopen.com>
5684 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5685 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5687 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5689 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5691 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5692 * config/bfin/bfin.c (basic-block.h): Include.
5693 (struct machine_function): New.
5694 (bfin_init_machine_status): New.
5695 (override_options): Initialize init_machine_status.
5696 (bfin_hardware_loop): New.
5697 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5698 (DEF_VEC_P (loop_info)): New.
5699 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5700 (struct loop_info): New.
5701 (loop_info): New typedef.
5702 (struct loop_work): New.
5703 (loop_work): New typedef.
5704 (DEF_VEC_O (loop_work)): New.
5705 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5706 (bfin_dump_loops): New.
5707 (bfin_bb_in_loop): New.
5708 (bfin_scan_loop): New.
5709 (bfin_optimize_loop): New.
5710 (bfin_reorg_loops): New.
5711 (bfin_reorg): Use bfin_reorg_loops.
5712 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5714 (I_REGNO_P): Simplify.
5715 (DP_REGNO_P, DPREG_P): New macros.
5716 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5717 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5718 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5719 Add LT_REGS, LC_REGS, LB_REGS.
5720 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5722 (REGNO_REG_CLASS): Deal with loop registers.
5723 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5725 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5726 New constants for loop registers.
5727 (UNSPEC_LSETUP_END): New.
5728 (seq_insns): New define_attr. Set it for appropriate insns.
5729 (movsi_insn): Add alternatives for move from/to
5730 loop count registers.
5731 (doloop_end): New define_expand.
5732 (loop_end): New define_insn.
5733 (define_split for bad doloop_end): New.
5734 (lsetup_with_autoinit): New define_insn.
5735 (lsetup_without_autoinit): New define_insn.
5736 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5737 * config/bfin/predicates.md (lc_register_operand): New.
5738 (lt_register_operand): New.
5739 (lb_register_operand): New.
5740 (nondp_register_operand): New.
5741 (nondp_reg_or_memory_operand): New.
5742 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5744 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5746 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5747 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5749 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5751 * Makefile.in (CATALOGS): Add po/ prefix.
5752 * configure: Regenerated.
5754 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5757 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5758 a shift operand before calling shift_op. Avoid redundant call of
5761 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5762 DJ Delorie <dj@redhat.com>
5764 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5765 we're inserting is a singlt-bit constant.
5767 2006-05-30 Roger Sayle <roger@eyesopen.com>
5769 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5770 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5772 2006-05-30 Roger Sayle <roger@eyesopen.com>
5774 PR tree-optimization/23452
5775 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5776 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5777 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5778 complex values and with -ffast-math for FP complex values.
5780 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5782 * c-common.h: Remove the prototype for yyparse.
5783 * rtl.h: Remove the prototype for init_loop.
5785 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5787 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5790 2006-05-30 Roger Sayle <roger@eyesopen.com>
5792 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5794 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5795 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5797 2006-05-30 Dirk Mueller <dmueller@suse.de>
5800 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5801 for CONSTANT_CLASS_P expresisons.
5803 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5806 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5808 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5810 PR tree-optimization/27779
5811 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5812 initial_condition instead of CHREC_LEFT.
5814 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5816 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5817 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5818 Make prototypes ISO C90.
5820 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5821 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5823 * see.c (see_analyze_one_def): Correct check.
5824 (see_get_extension_data): Check if extension is parallel.
5825 (see_get_extension_reg): Likewise.
5827 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5830 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5831 into register for (code == GTU).
5833 2006-05-29 Roger Sayle <roger@eyesopen.com>
5835 PR tree-optimization/24964
5836 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5837 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5838 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5839 abs(x)*abs(x) as x*x for scalar floating point modes.
5841 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5844 * lambda-code.c (perfect_nestify): Don't copy statements
5845 in the inner loop: move them to the inner loop header.
5847 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5850 * c-tree.texi: Document OpenMP directives and clauses.
5852 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5854 * varasm.c (globalize_decl): Fix indentation.
5856 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5859 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5860 pass_fre, pass_store_ccp, pass_copy_prop,
5861 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5862 pass_return_slot, pass_object_size, pass_lim,
5863 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5864 pass_loop_prefetch and pass_stdarg.
5866 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5868 * config/bfin/bfin.opt (mfdpic): New option.
5869 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5870 (EXTRA_MULTILIB_PARTS): Likewise.
5871 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5872 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5874 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5875 (CRT_CALL_STATIC_FUNCTION): New.
5876 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5878 (CRT_CALL_STATIC_FUNCTION): New.
5879 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5881 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5882 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5883 (initialize_trampoline): Changed to handle FD-PIC code generation.
5884 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5885 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5886 (override_options): Disallow -mid-shared-library -mfdpic combination.
5887 Can't do unaligned ops if FD-PIC.
5888 Turn off flag_pic if trying to generate non-id-shared-library
5889 non-fdpic code, since it's not supported.
5890 (bfin_assemble_integer): New function.
5891 (TARGET_ASM_INTEGER): Define.
5892 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5894 * config/bfin/crtn.s: Restore them.
5895 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5897 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5898 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5899 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5900 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5901 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5903 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5904 FDPIC_REGS and FDPIC_FPTR_REGS.
5905 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5906 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5907 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5908 (load_funcdescsi): New pattern.
5909 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5910 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5911 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5913 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5915 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5918 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5920 * tree-flow.h: Remove the prototype for add_type_alias.
5921 * tree-ssa-alias.c (add_type_alias): Remove.
5923 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5925 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5926 config/fr30/fr30.md, config/i386/i386-interix.h,
5927 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5928 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5929 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5930 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5931 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5932 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5933 Follow spelling conventions.
5934 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5935 Follow spelling conventions.
5937 2006-05-27 Richard Guenther <rguenther@suse.de>
5940 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5941 to produce a constant of value 1 of generic type.
5943 2006-05-27 Dirk Mueller <dmueller@suse.de>
5945 * cgraphunit.c (decide_is_function_needed): Fix wrong
5948 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5950 PR rtl-optimization/27661
5951 * reload.c (find_reloads): When reloading a VOIDmode constant
5952 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5953 use Pmode as mode of the reload register.
5955 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5957 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5958 is enabled at -O and above.
5960 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5963 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5966 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5969 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5970 for anonymous variables explicitly declared by front ends.
5972 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5974 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5975 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5976 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5977 ref-all pointers, run a finalization pass for them.
5978 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5979 (finalize_ref_all_pointers): New function.
5980 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5981 regular pointer type to a ref-all pointer type.
5982 (get_tmt_for): Return the special memory tag for ref-all pointers.
5984 2006-05-25 Richard Guenther <rguenther@suse.de>
5987 * fold-const.c (fold_binary): Do not look at the stripped
5988 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5990 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5992 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5993 for LT and GT if the computed range is effectively empty.
5995 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5998 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5999 mips_quad_format formats instead of ieee_single_format,
6000 ieee_double_format and ieee_quad_format formats, respectively.
6002 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6004 PR tree-optimization/27639
6005 PR tree-optimization/26719
6006 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6007 call to scev_probably_wraps_p.
6008 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6009 used_in_pointer_arithmetic_p, convert_step): Removed.
6010 (nowrap_type_p): New function.
6011 (scev_probably_wraps_p): Rewritten.
6012 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6013 chrec_convert if chrec_convert_aggressive might have been used.
6014 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6015 scev_direction): New functions.
6016 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6017 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6018 instead of convert_step.
6019 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6020 (convert_step): Declaration removed.
6021 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6023 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6025 * df-core.c: Added to header comments.
6026 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6027 df_ur_bb_info, df_urec_bb_info): Added comments.
6028 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6029 urec, ri problems): Fixed header comments.
6030 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6031 code from df_rd_transfer_function.
6033 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6035 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6036 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6037 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6039 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6041 * expr.c (undefined_operand_subword_p): New.
6042 (emit_move_multi_word): Do not generate move from undefined bits
6043 of a paradoxical subreg.
6045 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6047 PR rtl-optimization/27736
6048 * combine.c (replaced_rhs_value): New variable.
6049 (combine_instructions): Set it.
6050 (distribute_notes): When distributing a note in replaced_rhs_insn,
6051 check whether the value was used in replaced_rhs_value.
6053 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6056 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6057 add_referenced_var instead of add_referenced_tmp_var.
6058 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6059 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6061 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6062 tree_optimize_tail_calls_1): Use add_referenced_var.
6063 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6064 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6065 Use add_referenced_var.
6066 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6067 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6068 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6069 Use add_referenced_var.
6070 * tree-dfa.c (struct walk_state): Remove.
6071 (find_referenced_vars): Remove walk state and vars_found hash table.
6072 (make_rename_temp): Use add_referenced_var.
6073 (find_vars_r): Pass less parameters to add_referenced_var.
6074 (referenced_var_p): New. Is var in referenced_var hash table.
6075 (referenced_var_insert): Assert var isn't already in hash table.
6076 (add_referenced_var): Don't need walk_state parameter. Add var if it
6077 isn't already in the hash table.
6078 (add_referenced_tmp_var): Remove.
6079 (find_new_referenced_vars_1): Use add_referenced_var.
6080 * tree-ssa-pre.c (create_expression_by_pieces,
6081 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6082 Use add_referenced_var.
6083 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6084 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6085 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6087 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6088 vect_create_data_ref_ptr, vect_create_destination_var,
6089 vect_init_vector, vect_build_loop_niters,
6090 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6091 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6092 Use add_referenced_var.
6093 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6094 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6095 (add_referenced_var): Add prototype.
6096 * tree-ssa-structalias.c (get_constraint_for,
6097 intra_create_variable_infos): Use add_referenced_var.
6099 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6101 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6102 big-endian paradoxical subregs.
6103 * var-tracking.c (struct micro_operation_def): Document that,
6104 for modify micro operations, insn is the subsequent instruction.
6105 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6106 (var_reg_set, var_mem_set): ... new functions.
6107 (add_stores): Record subsequent insn.
6108 (compute_bb_dataflow): Use new functions for MO_USE.
6109 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6110 notes after the insn, and modify notes before the insn known
6111 to be the subsequent one.
6112 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6114 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6117 * config/i386/i386.c (ix86_expand_builtin): Use
6118 gen_sse3_monitor64 for TARGET_64BIT.
6120 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6122 PR rtl-optimization/26375
6123 PR rtl-optimization/26855
6124 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6126 (df_ru_bb_local_compute): Reversed statements and removed bogus
6127 comment explaining why they should be in wrong order.
6128 (df_ru_dump, df_rd_dump): Enhanced debug info.
6129 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6131 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6132 reaching uses and fixed space problem.
6134 2006-05-23 Jan Hubicka <jh@suse.cz>
6136 * cgraphunit.c (decide_is_function_needed): Also nested functions
6137 and functions declared inline can be optimized out at -O0.
6139 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6141 * doc/install.texi (Configuration): Remove reference to CrossGCC
6145 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6148 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6149 ix86_compare_emitted is non-NULL.
6151 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6154 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6157 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6159 PR rtl-optimization/25514
6160 * combine.c (replaced_rhs_insn): New variable.
6161 (combine_instructions): Set replaced_rhs_insn when trying to replace
6162 a SET_SRC with a REG_EQUAL note.
6163 (distribute_notes): Use replaced_rhs_insn when determining the live
6164 range of a REG_DEAD register.
6166 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6167 Anatoly Sokolov <aesok@post.ru>
6169 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6170 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6171 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6172 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6173 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6174 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6175 at90usb647, at90usb1286 and at90usb1287 devices.
6176 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6177 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6179 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6181 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6183 2006-05-22 Richard Guenther <rguenther@suse.de>
6186 2006-01-31 Richard Guenther <rguenther@suse.de>
6187 Paolo Bonzini <bonzini@gnu.org>
6189 * doc/install.texi (--disable-libgcc-math): Document.
6191 2006-05-22 Richard Guenther <rguenther@suse.de>
6194 2006-01-31 Richard Guenther <rguenther@suse.de>
6196 * doc/invoke.texi (-msselibm): Document.
6197 * target.h (expand_library_builtin): New target hook.
6198 * builtins.c (expand_builtin): Use expand_library_builtin.
6199 (default_expand_library_builtin): New function.
6200 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6201 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6202 (link_gcc_math_spec): Declare.
6203 (static_specs): Add link_gcc_math_spec.
6204 * expr.h (default_expand_library_builtin): Declare.
6205 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6206 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6207 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6208 * config/i386/i386.opt (msselibm): New target option.
6209 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6210 (ix86_init_sse_abi_builtins): New function.
6211 (ix86_expand_library_builtin): Likewise.
6212 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6213 (override_options): Handle error conditions wrt -msselibm.
6214 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6215 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6216 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6219 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6222 * c-common.c (self_promoting_args_p): Skip erroneous args.
6225 * c-decl.c (finish_struct): Skip erroneous fields.
6227 2006-05-22 Nick Clifton <nickc@redhat.com>
6229 * config/cris/cris.opt (march): Remove VarExists attribute.
6230 (max-stackframe=): Likewise.
6232 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6234 * doc/rtl.texi: Fix a typo.
6235 * see.c: Fix comment typos.
6237 * tree-ssa-structalias.h (alias_info): Remove num_references.
6239 2006-05-21 Mike Stump <mrs@apple.com>
6241 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6243 (darwin_pragma_options): Use BAD instead.
6244 (darwin_pragma_unused): Likewise.
6245 (darwin_pragma_ms_struct): Likewise.
6247 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6249 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6251 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6253 PR rtl-optimization/27671
6254 * simplify-rtx.c (simplify_relational_operation_1): Fix
6255 simplifications of (eq/ne (xor x y) y) and
6256 (eq/ne (xor x y) x).
6258 PR tree-optimization/26622.
6259 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6262 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6264 * tree-cfg.c: Prune whitespace.
6265 (debug_tree_cfg): Point to correct header containing the
6268 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6271 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6273 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6276 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6277 or sorry count is non zero.
6279 2006-05-20 Andreas Schwab <schwab@suse.de>
6281 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6283 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6284 Kenneth Zadeck <zadeck@naturalbridge.com>
6286 PR rtl-optimization/26855
6288 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6290 (df_scan_alloc): Added code to properly handle multiword hard
6291 registers and add all_blocks parameter.
6292 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6293 code to properly handle multiword hard registers.
6294 (df_rescan_blocks): Added code to remove deleted blocks from
6296 (df_ref_create_structure, df_ref_record): Added code to properly
6298 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6299 and set DF_REF_PARTIAL.
6300 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6301 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6302 (df_scan_add_problem): Added flags parameter.
6303 (df_ref_create_structure): Changed switching structure.
6304 (df_bb_refs_record): Fixed case where duplicate artificial refs
6305 were created. Changed location of flags.
6306 (df_record_entry_block_defs): Added code to make stack pointer
6307 live in entry block. Refined cases where frame pointer is needed.
6308 Changed location of flags.
6309 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6310 (df_set_state): Removed function.
6311 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6312 df_insn_create_insn_record, df_insn_refs_delete,
6313 df_ref_create_structure): Formatting changes.
6314 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6315 df_delete_basic_block): New function.
6316 (df_init): Changed location of flags.
6317 (df_add_problem): Added flags parameter and the way flags are
6319 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6320 debug_df_chain): Improved debugging output.
6321 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6322 (df_refs_chain_dump): Removed df parameter.
6323 (df_iterative_dataflow): Added consistency check.
6324 (df_prune_to_subcfg): Made public.
6325 (df_analyze_problem): Added blocks_to_init parameter and made
6327 (df_ref_record, df_bb_refs_record, df_mark_reg,
6328 df_record_exit_block_uses): Whitespace changes.
6329 (df_dump): Whitespace changes.
6330 * df.h: Some reordering to remove forward references.
6331 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6332 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6333 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6334 (dataflow.flags): New field.
6335 (df.flag): Deleted field.
6336 (df_alloc_function): Added additional bitmap parameter.
6337 (df_dependent_problem_function): New type.
6338 (df_problem.changeable_flags): New field.
6339 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6340 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6341 (df_mw_hardreg): New struct.
6342 (DF_INSN_UID_MWS): New macro.
6343 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6345 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6346 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6347 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6348 (df_set_state): Removed function.
6349 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6350 * df-problems.c (df_chain_dump): Removed df parameter.
6351 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6352 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6354 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6355 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6356 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6357 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6358 DF_REF_MUST_CLOBBER cases.
6359 (df_ru_bb_local_compute_process_def,
6360 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6361 df_lr_bb_local_compute, df_ur_bb_local_compute,
6362 df_chain_create_bb): Made subreg aware.
6363 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6364 df_lr_bb_local_compute, df_lr_bb_local_compute,
6365 df_chain_create_bb): Cleanup to use proper macros.
6366 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6367 code to fixup bitvectors.
6368 (df_ri_alloc): Cleared lifetime.
6369 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6370 df_create_unused_note): New function.
6371 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6372 REG_DEAD and REG_UNUSED notes as well as register information.
6373 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6374 df_chains_dump): Fixed crash if problem was never run.
6375 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6376 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6377 df_ri_add_problem): Processes flags in uniform manner.
6378 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6379 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6380 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6381 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6382 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6383 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6384 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6385 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6386 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6387 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6388 * see.c (see_initialize_data): Ditto.
6389 * final.c (rest_of_clean_state) Added regstack_completed.
6390 * rtl.h (regstack_completed): Ditto.
6391 * reg-stack.c (regstack_completed): Ditto.
6393 2006-05-19 Mike Stump <mrs@apple.com>
6395 * c-tree.h (default_conversion): Remove.
6396 * c-common.h (default_conversion): Add.
6398 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6400 * tree-vrp.c (valid_value_p): New function.
6401 (adjust_range_with_scev): Fail if the value of bound is not
6404 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6406 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6407 (mips_fallback_frame_state): Use syscall numbers to determine
6408 the appropriate li instruction for the current ABI. Only use
6409 __NR_sigreturn for o32.
6411 2006-05-19 Nicolas Setton <setton@adacore.com>
6413 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6414 * langhooks.c (lhd_dwarf_name): New function.
6415 * langhooks-def.h (lhd_dwarf_name): Declare.
6416 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6417 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6418 * ada/misc.c (gnat_dwarf_name): New function.
6419 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6421 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6423 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6425 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6426 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6427 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6428 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6429 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6430 determine the size of Wtype, etc.
6431 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6432 (swfloatfuncs): New variable.
6433 (dwfloatfuncs): Likewise.
6434 (lib2funcs): Remove floating-point conversion functions from
6435 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6436 the set of conversion routines needed. Allow entries to specify
6437 an object name, filename and word size. Update users accordingly.
6438 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6439 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6443 2006-02-08 Roger Sayle <roger@eyesopen.com>
6446 * config/fixtfdi.c: New libgcc source file.
6447 * config/fixunstfdi.c: New source file.
6448 * config/floatditf.c: New source file.
6449 * config/floatunditf.c: New souce file.
6450 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6451 files above instead of config/mips/_tilib.c.
6452 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6454 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6456 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6457 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6459 2006-05-18 Mike Stump <mrs@apple.com>
6461 Fix up vla, vm and [*] sematics.
6467 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6468 (c_vla_unspec_p): Add.
6469 (c_vla_type_p): Add.
6470 * c-decl.c (struct c_scope): Add had_vla_unspec.
6471 (build_array_declarator): Add support for [*].
6472 (grokdeclarator): Likewise.
6473 (grokparms): Likewise.
6474 (get_parm_info): Likewise.
6475 * c-objc-common.c (c_vla_unspec_p): Likewise.
6476 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6477 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6478 typeof when argument is a variably modified type not inside sizeof or alignof.
6479 (c_parser_direct_declarator_inner): Propagate errors.
6480 (c_parser_sizeof_expression): Add support for [*].
6481 (c_parser_parms_declarator): Initialize had_vla_unspec.
6482 (c_parser_parms_list_declarator): Likewise.
6483 * c-typeck.c (c_vla_type_p): Add.
6484 (composite_type): Add support for vla compositing.
6485 (comptypes_internal): Add support for vla compatibility.
6486 (c_expr_sizeof_expr): Evaluate vla arguments.
6487 * tree.c (variably_modified_type_p): Update comment for [*].
6489 2006-05-18 Michael Matz <matz@suse.de>
6492 * config.host: Make assignments to host_xmake_file cumulative.
6493 * config.host (*-darwin*): Test $host, not $target.
6495 2006-05-12 Stuart Hastings <stuart@apple.com>
6497 * config/i386/i386.opt (-mstackrealign): New flag.
6498 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6499 (ix86_handle_cconv_attribute): Emit error when
6500 force_align_arg_pointer attribute collides with too many regparms.
6501 (ix86_function_regparm): Limit regparms when used with
6502 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6503 Support stack-realigning prologue in non-main functions. Emit
6504 warning for nested functions under -mstackrealign, emit error for
6505 nested functions with force_align_arg_pointer attribute.
6506 * doc/extend.texi (force_align_arg_pointer): Document it.
6507 * doc/invoke.texi (-mstackrealign): Document it.
6509 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6511 PR rtl-optimization/27477
6512 * combine.c (try_combine): Don't split a parallel consisting
6513 of two sets into two individual sets if both sets reference
6516 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6518 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6519 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6521 * doc/options.texi (VarExists): Updated.
6523 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6525 * unwind-dw2.c: Add declarations for uw_update_context and
6527 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6528 detected, advance frame state and context once to skip over stub.
6530 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6534 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6535 Call rewrite_into_loop_closed_ssa only when something changed.
6536 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6537 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6538 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6539 Test for perfect_nest_p here. Fix formating.
6540 (replace_uses_equiv_to_x_with_y): Fix formating.
6541 (stmt_uses_op): Removed.
6542 (can_convert_to_perfect_nest): Removed loopivs parameter.
6543 Complete the test by checking the scalar dependences.
6544 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6547 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6550 From Dan Kegel <dank@kegel.com>:
6551 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6553 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6555 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6556 if the element type is variably modified without recursing.
6558 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6561 * tree-loop-linear.c (try_interchange_loops): Test for
6562 no data dependences.
6564 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6566 PR tree-optimization/27548
6567 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6568 range of ssa names that appear on abnormal edges.
6569 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6570 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6572 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6575 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6577 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6580 * tree.h (OMP_PARALLEL_COMBINED): Define.
6581 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6582 (new_omp_context): Add is_combined_parallel argument.
6583 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6584 new_omp_context caller.
6585 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6586 Adjust gimplify_scan_omp_clauses callers.
6587 (omp_is_private): Issue errors if iteration variable is firstprivate
6588 or reduction in the current context.
6589 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6590 on combined parallel workshare constructs.
6592 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6594 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6595 (gcc-options.o): New rule.
6597 * optc-gen.awk: Protect variables for gcc-options.o with
6598 #ifdef GCC_DRIVER/#endif.
6600 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6602 Fix PR tree-optimization/27373
6603 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6604 (forward_propagate_addr_expr): Update call.
6606 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6608 * doc/options.texi: Move the Negative option.
6610 2006-05-16 Richard Guenther <rguenther@suse.de>
6612 PR tree-optimization/22303
6613 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6615 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6616 ccp_fold did not simplify the statement.
6618 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6621 * Makefile.in (GCC_OBJS): New.
6622 (OBJS-common): Add opts-common.o.
6623 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6624 (cpp$(exeext)): Likewise.
6625 (gcc.o): Also depend on opts.h.
6626 (opts-common.o): New.
6628 * common.opt (gcoff): Add Negative(gdwarf-2).
6629 (gdwarf-2): Add Negative(gstabs).
6630 (gstabs): Add Negative(gstabs+).
6631 (gstabs+): Add Negative(gvms).
6632 (gvms): Add Negative(gxcoff).
6633 (gxcoff): Add Negative(gxcoff+).
6634 (gxcoff+): Add Negative(gcoff).
6635 * config/i386/i386.opt (m32): Add Negative(m64).
6636 (m64): Add Negative(m32).
6638 * doc/options.texi: Document the Negative option.
6640 * gcc.c: Include "opts.h".
6641 (main): Call prune_options after expandargv.
6643 * optc-gen.awk: Generate common declarations for all flag
6644 variables in options.c. Output the neg_index field.
6646 * opts.c (find_opt): Moved to ...
6647 * opts-common.c: Here. New file.
6649 * opts.h (cl_option): Add a neg_index field.
6651 (prune_options): Likewise.
6653 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6656 * omp-low.c (expand_omp_parallel): Don't assert
6657 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6658 instead search for it.
6661 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6664 2006-05-16 Andreas Schwab <schwab@suse.de>
6666 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6669 2006-05-15 Roger Sayle <roger@eyesopen.com>
6672 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6673 integer constants other than zero are only legitimate on TARGET_64BIT.
6674 <CONST_VECTOR> Only zero vectors are legitimate.
6675 (ix86_cannot_force_const_mem): Integral and vector constants can
6676 always be put in the constant pool.
6678 2006-05-16 DJ Delorie <dj@redhat.com>
6680 * crtstuff.c (__dso_handle): Set section from
6681 TARGET_LBIGCC_SDATA_SECTION if defined.
6682 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6683 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6685 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6688 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6691 2006-05-16 Ben Elliston <bje@au.ibm.com>
6693 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6695 2006-05-15 Per Bothner <per@bothner.com>
6697 * tree.c: (last_annotated_node): Use source_locus typedef.
6698 This permits bootstrapping with --enable-mapped-location.
6700 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6702 PR tree-optimization/26830
6703 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6704 (info_for_ssa_name, current_info_for_ssa_name_age,
6705 blocks_to_update): New variables.
6706 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6707 (clear_ssa_name_info, initialize_flags_in_bb,
6708 mark_block_for_update): New functions.
6709 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6710 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6711 prepare_def_site_for): Use mark_block_for_update.
6712 (mark_def_interesting): Assert that the processed block is marked in
6713 blocks_to_update. Do not take blocks argument.
6714 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6716 (rewrite_update_init_block, rewrite_update_stmt): Only process
6717 blocks with statements to rewrite.
6718 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6719 (update_ssa): Initialize and free blocks_to_update. Do not
6720 clear flags on statements. Do not use blocks bitmap.
6721 * tree.h (SSA_NAME_AUX): Removed.
6722 (struct tree_ssa_name): Removed aux field.
6723 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6725 2006-05-15 Richard Guenther <rguenther@suse.de>
6727 PR tree-optimization/27603
6728 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6729 Do computations in original type.
6731 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6733 * see.c: Code style changes such as redundant paranthesis,
6734 redundant intialization of local variables etc.
6735 (see_main): Declared now as static.
6736 * doc/invoke.texi: Update that -fsee is not enabled by
6739 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6741 * omp-low.c (check_omp_nesting_restrictions): New function.
6742 (scan_omp_1): Call it.
6745 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6746 construct, return *VAR.
6748 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6750 PR rtl-optimization/27406
6751 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6754 2006-05-14 Roger Sayle <roger@eyesopen.com>
6756 PR rtl-optimization/27538
6757 * combine.c (expand_compound_operation): Call gen_lowpart
6758 before calling simplify_shift_const.
6760 2006-05-14 Roger Sayle <roger@eyesopen.com>
6762 PR rtl-optimization/22563
6763 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6764 a fixed width bitfield, always force the intermediates into psuedos.
6766 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6769 * mkconfig.sh: Use operator = instead of == for test.
6771 2006-05-13 Nick Clifton <nickc@redhat.com>
6773 * dwarf2out.c (dbx_reg_number): Check return value from
6774 LEAF_REG_REMAP and only use it if it is valid.
6775 (multiple_reg_loc_descriptor): Likewise.
6777 2006-05-13 Richard Guenther <rguenther@suse.de>
6779 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6782 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6784 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6785 information attached to non-INSNs such as NOTEs.
6786 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6788 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6790 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6792 * config/s390/s390.md: Adjust comment describing On constraint.
6794 2006-05-11 Jan Hubicka <jh@suse.cz>
6796 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6797 to be output at -O0.
6799 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6802 * fold-const.c (size_binop): Move sanity check for arguments to
6803 the beginning of the function.
6806 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6809 2006-05-11 Richard Guenther <rguenther@suse.de>
6812 * fold-const.c (fold_unary): Handle intermediate conversion
6813 to a pointer type like intermediate conversion to an integer
6814 type in folding of (T1)(T2)var to var.
6815 Match the code to the comment in the final conversion for
6816 (T1)(T2)var to (T1)var regarding to type precision. Rather
6817 than disallow T1 being of pointer type, assert that both T1
6818 and var are of pointer type or not. Make sure not to fall
6819 over the frontends lazyness wrt array to pointer decay though.
6821 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6823 * arm.c (arm_struct_value_rtx): Delete.
6824 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6825 (arm_init_cumulative_args): Always initialize nregs to zero.
6827 2006-05-10 Richard Guenther <rguenther@suse.de>
6829 PR tree-optimization/27532
6830 * tree-object-size.c (plus_expr_object_size): Fix typo.
6832 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6835 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6836 ashrdi_const, ashrdi3): Use a scratch register.
6838 2006-05-10 Richard Guenther <rguenther@suse.de>
6840 PR tree-optimization/27302
6841 * fold-const.c (operand_equal_p): For two comparisons,
6842 try comparison of one comparison code swapped if that yields
6845 2006-05-10 Ben Elliston <bje@au.ibm.com>
6847 * tree-pretty-print.c (pretty_print_string): No need to handle
6848 '\0' as a special character.
6850 * tree.h: Include "hashtab.h".
6851 (iterative_hash_expr): Use hashval_t in its prototype.
6852 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6854 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6857 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6858 (hppa*64*-*-hpux11*): Ditto.
6859 (hppa[12]*-*-hpux11*): Ditto.
6861 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6864 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6866 2006-05-09 Michael Matz <matz@suse.de>
6868 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6869 host_extra_gcc_objs and host_xmake_file.
6870 (<*-*-linux*>): Don't overwrite host_xmake_file.
6871 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6872 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6873 (host_detect_local_cpu): Declare.
6874 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6875 * config/i386/i386.c (override_options): Handle -mtune=native
6877 * config/i386/x-i386: New file.
6878 * config/i386/driver-i386.c: New file.
6879 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6882 2006-05-09 Dirk Mueller <dmueller@suse.de>
6883 Richard Guenther <rguenther@suse.de>
6886 * fold-const.c (fold_read_from_constant_string): Relax check
6887 for matching types to matching modes.
6889 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6891 PR rtl-optimization/27335
6892 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6895 2006-05-08 Chao-ying Fu <fu@mips.com>
6896 Richard Sandiford <richard@codesourcery.com>
6898 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6899 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6900 * config/mips/mips.md (UNSPEC_SCC): New constant.
6901 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6902 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6903 (mips_emit_compare): Use it.
6904 (mips_expand_vcondv2sf): New function.
6906 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6908 Fix PR tree-optimization/27093
6909 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6910 renaming when they become not-used_alone.
6912 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6914 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6915 relocation and relocation stubs.
6917 2006-05-08 Eric Christopher <echristo@apple.com>
6919 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6922 2006-05-08 Jan Hubicka <jh@suse.cz>
6925 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6926 unused static functions are needed.
6928 2006-05-08 Roger Sayle <roger@eyesopen.com>
6931 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6932 of a reg_equiv_constant if the result is a legitimate constant.
6934 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6937 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6938 standard 80387 constants, raise the cost to prevent
6939 compress_float_constant() to generate load from memory.
6941 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6943 * config/arm/constraints.md (c): Fix a typo.
6945 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6948 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6951 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6953 (_mm_mwait): Likewise.
6955 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6957 (sse3_monitor): Make it 32bit only.
6958 (sse3_monitor64): New. 64bit monitor.
6960 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6963 * config/i386/i386.c (classify_argument): Skip fields with invalid
6966 2006-05-07 Richard Guenther <rguenther@suse.de>
6968 PR tree-optimization/27409
6969 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6970 Do not try to find zero-sized subvars.
6972 2006-05-07 Richard Guenther <rguenther@suse.de>
6974 PR tree-optimization/27136
6975 * tree-ssa-loop-niter.c (get_val_for): Correct function
6976 comment, assert requirements.
6977 (loop_niter_by_eval): Stop processing if the iterated
6978 value did not simplify.
6980 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6982 * opts.c (flag_see): remove its setting at -O3.
6984 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6986 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6987 * arm/constraints.md: New file.
6988 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6989 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6990 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6991 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6992 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6993 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6994 * arm.md: Include constraints.md.
6995 (thumb_movsi_insn): Use satisfies_constraint_J.
6996 (movhi, movqi): Use satisfies_constraint_I.
6998 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7000 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7001 for atmeg a645 device.
7003 2006-05-06 Richard Guenther <rguenther@suse.de>
7005 PR tree-optimization/27151
7006 * tree-vect-transform.c (vectorizable_condition): Punt on
7007 values that have a different type than the condition.
7009 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7012 * c-parser.c (c_parser_cast_expression): Only insert casts into
7013 hash table if pointer.
7014 * function.c (used_types_insert_helper): Rename from
7016 (used_types_insert): Call used_types_insert_helper.
7017 * function.h (used_types_insert): Accept only one argument.
7019 2006-05-05 David Edelsohn <edesohn@gnu.org>
7021 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7022 scratch with output modifier.
7024 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7027 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7028 with output modifier.
7030 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7033 * config/mips/mips.c (mips_symbolic_address_p): Return true
7034 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7035 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7037 2006-05-04 Richard Guenther <rguenther@suse.de>
7039 PR tree-optimization/14287
7040 PR tree-optimization/14844
7041 PR tree-optimization/19792
7042 PR tree-optimization/21608
7043 PR tree-optimization/27090
7044 * tree-ssa-pre.c (try_combine_conversion): New function.
7045 (compute_avail): After constructing the value-handle
7046 expression, use try_combine_conversion to combine NOP_EXPRs
7047 with previous value-handle expressions and use the result if it
7050 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7052 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7054 2006-05-04 Jan Hubicka <jh@suse.cz>
7057 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7059 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7061 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7062 that this only matches CONST_INTs. All users changed to VOIDmode
7065 * config/bfin/bfin.c: Include "optabs.h".
7066 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7068 (enum bfin_builtins): Add a number of fractional and vector builtins.
7069 (bfin_init_builtins): Likewise.
7070 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7071 (safe_vector_operand, bfin_expand_binop_builtin,
7072 bfin_expand_unop_builtin): New functions.
7073 (bfin_expand_builtin): Handle the new builtins.
7074 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7077 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7080 * Makefile.in (OBJS-common): Add see.o.
7081 (see.o): Add dependencies.
7082 * common.opt (fsee): New flag for the see optimization was added.
7083 * opts.c (flag_see): Initialized.
7084 * passes.c (init_optimization_passes, pass_see): New pass.
7085 * rtl.h (see_main): Declaration as extern.
7086 * timevar.def (TV_SEE): New.
7087 * tree-pass.h (pass_see): Declaration as extern.
7088 * invoke.texi (-fsee): Document.
7089 * recog.c (validate_simplify_insn): New function.
7090 * recog.h (validate_simplify_insn): Declaration as extern.
7091 * df-problems.c (df_chain_dump): Check for NULL.
7093 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7094 Daniel Berlin <dberlin@dberlin.org>
7096 * cfgrtl.c (insert_insn_bb_end_new): New function.
7097 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7099 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7101 * df.h (struct web_entry): Moved from web.c.
7102 (union_defs): Declaration as extern.
7103 (unionfind_root): Likewise.
7104 (unionfind_union): Likewise.
7105 * web.c (struct web_entry): Moved to df.h.
7106 (unionfind_root): Remove static declaration.
7107 (unionfind_union): Likewise.
7108 (union_defs): Likewise and generalize to use callback function.
7109 (web_main): Update arguments for union_defs function call.
7111 2006-05-04 Richard Guenther <rguenther@suse.de>
7113 PR tree-optimization/26447
7114 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7115 produce SSA_NAME copies before the store stmt to avoid
7116 breaking exception handling.
7118 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7121 * gimplify.c (omp_is_private): If var is shared in some outer context,
7122 return false instead of true. Stop searching on parallel context
7125 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7128 * coverage.c: Use get_gcov_unsigned_t() instead of
7129 unsigned_type_node all over.
7131 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7133 PR tree-optimization/27381
7134 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7135 maintain the same immediate_use links.
7136 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7137 node rather than segfaulting.
7139 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7142 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7143 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7144 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7146 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7148 Fix PR tree-optimization/26626
7149 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7151 * tree-ssa-operands.c (access_can_touch_variable): Allow
7152 typecasting through union pointers.
7154 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7157 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7158 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7159 to find if var will be a global variable even in the nested context.
7160 (omp_copy_decl): Only check for global variable at the end, it might
7161 be overridden in outer contexts.
7162 (scan_sharing_clauses): For global variables don't create a field.
7163 (lower_rec_input_clauses): Do nothing for global shared variables.
7164 Emit a barrier at the end of ILIST if there were any decls in both
7165 firstprivate and lastprivate clauses.
7166 (lower_send_clauses): Do nothing for global variables except for
7169 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7171 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7172 of the correct signedness is returned.
7174 2006-05-02 Jeff Law <law@redhat.com>
7176 PR tree-optimization/27364
7177 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7178 multiply expressions.
7180 2006-05-02 Tom Tromey <tromey@redhat.com>
7182 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7184 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7187 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7188 -mthumb -fPIC are used.
7190 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7191 Joshua Kinard <kumba@gentoo.org>
7194 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7195 with 64-bit pointers.
7197 2006-05-02 Paul Brook <paul@codesourcery.com>
7199 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7201 (create_fix_barrier): Check that a suitable barrier location is
7203 (arm_reorg): Include ftmp->address in allowable range of addresses.
7205 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7208 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7211 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7214 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7215 around RESULT_DECL for result passed by reference.
7216 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7217 * omp-low.c (use_pointer_for_field): Don't look at
7218 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7219 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7220 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7221 time or var for passing by reference for
7222 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7223 TREE_ADDRESSABLE variables when passing by reference.
7225 * omp-low.c (dump_omp_region): Fix output formatting.
7228 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7229 (expand_omp_parallel): Likewise.
7230 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7233 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7234 on statement list containing also constructors and destructors.
7235 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7238 * except.c (duplicate_eh_regions): Fix clearing of
7239 cfun->eh->region_array entries.
7241 2006-05-01 DJ Delorie <dj@redhat.com>
7243 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7245 (gcc_cv_objdump): Likewise.
7246 * configure: Regenerated.
7248 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7251 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7252 templates for case 3 and 4.
7254 2006-05-01 DJ Delorie <dj@redhat.com>
7256 * vec.c: Include bconfig.h when appropriate.
7257 * Makefile.in (build/vec.o): Adjust dependencies.
7258 * mkconfig.sh: Make sure config.h isn't used for build machine
7261 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7263 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7265 (mark_phi_for_rewrite): New function.
7266 (insert_phi_nodes_for, mark_use_interesting): Call
7267 mark_phi_for_rewrite.
7268 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7269 (update_ssa): Initialize and free phis_to_rewrite.
7271 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7273 PR rtl-optimization/27291
7274 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7275 folded to a constant.
7277 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7279 PR tree-optimization/27283
7280 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7281 not whole # of iteration descriptions.
7282 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7283 uses abnormal ssa name.
7284 (niter_for_single_dom_exit): Ditto.
7285 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7286 return just the number of iterations.
7288 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7290 PR tree-optimization/27144
7291 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7292 (record_estimate): Only record constant upper bound.
7293 (infer_loop_bounds_from_undefined): Call
7294 compute_estimated_nb_iterations just once.
7295 (proved_non_wrapping_p): Renamed to ...
7296 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7297 (convert_step_widening, scev_probably_wraps_p): Call
7298 n_of_executions_at_most instead of proved_non_wrapping_p.
7299 (substitute_in_loop_info): Do not replace values in bounds.
7300 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7303 2006-05-01 Richard Henderson <rth@redhat.com>
7306 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7307 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7310 2006-05-01 Roger Sayle <roger@eyesopen.com>
7312 * c-typeck.c (parser_build_binary_op): Don't call the function
7313 unsigned_conversion_warning to spot operand/result type overflow.
7314 (build_binary_op): Instead, call convert_and_check instead of
7315 convert to report the problem when the operands are promoted.
7316 * c-common.c (unsigned_conversion_warning): Make static.
7317 * c-common.h (unsigned_conversion_warning): Delete prototype.
7319 2006-05-01 Richard Guenther <rguenther@suse.de>
7321 PR tree-optimization/26726
7322 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7324 (find_interesting_uses_address): ... we work around here
7325 by folding INDIRECT_REFs in the substituted base.
7327 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7329 * omp-low.c (dump_omp_region): Add newlines.
7331 2006-04-30 Roger Sayle <roger@eyesopen.com>
7333 * common.opt (Woverflow): New command line option.
7334 * c-common.c (constant_expression_warning): Check warn_overflow.
7335 (overflow_waring): Pass OPT_Woverflow to warning.
7336 (unsigned_conversion_warning): Likewise.
7337 (convert_and_check): Likewise.
7338 * doc/invoke.texi: Document new command line option.
7340 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7342 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7343 TARGET_NO_FP_IN_TOC for section anchors.
7344 (optimization_options): Enable section anchors for all
7345 non-"Objective" languages.
7347 2006-04-28 Eric Christopher <echristo@apple.com>
7349 * config/darwin-c.c (darwin_ms_struct): Move this
7350 (darwin_set_default_type_attributes): and this...
7351 * config/darwin.c: ... here.
7352 * config/darwin.h (darwin_ms_struct): Declare.
7354 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7356 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7358 2006-04-28 Roger Sayle <roger@eyesopen.com>
7361 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7362 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7363 an unsigned HOST_WIDE_INT.
7364 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7366 (really_start_incremental_init): No need to call convert because
7367 bitsize_zero_node is already of type bitsizetype.
7368 (push_init_level): Extract the value of constructor_index as an
7369 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7370 (process_init_element): Likewise.
7372 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7374 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7375 value before passing to make_relative_prefix.
7377 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7380 * builtins.c (expand_builtin_memset): Expand val in original mode.
7382 2006-04-27 Eric Christopher <echristo@apple.com>
7384 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7385 with #ifndef/#endif.
7386 * config/darwin-c.c (darwin_ms_struct): New.
7387 (darwin_pragma_ms_struct): Ditto.
7388 (darwin_set_default_type_attributes): Ditto.
7389 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7390 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7391 Register ms_struct pragma.
7392 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7393 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7394 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7395 darwin_set_default_type_attributes if TARGET_MACHO.
7397 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7399 PR tree-optimization/26854
7400 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7401 * doc/tree-ssa.texi: Update immuse iterator documentation.
7402 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7403 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7404 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7405 first_safe_imm_use, next_safe_imm_use): Remove.
7406 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7407 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7408 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7409 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7410 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7411 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7412 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7413 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7414 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7415 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7416 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7417 (perfect_nestify): Use new iterator.
7418 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7420 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7421 (next_imm_name): New field in struct immediate_use_iterator_d.
7422 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7423 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7424 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7425 * tree-cfg.c (replace_uses_by): Use new iterator.
7426 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7427 * tree-ssa-operands.c (correct_use_link): Remove.
7428 (finalize_ssa_use_ops): No longer call correct_use_link.
7430 2006-04-27 Stuart Hastings <stuart@apple.com>
7432 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7433 * config/t-darwin (crt3.o): Use it.
7434 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7435 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7436 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7437 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7438 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7441 2006-04-27 Roger Sayle <roger@eyesopen.com>
7443 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7444 size, force the intermediate into a new pseudo rather instead of
7445 performing both a bitwise AND and a bitwise IOR in memory.
7447 2006-04-27 Richard Guenther <rguenther@suse.de>
7449 PR rtl-optimization/26685
7450 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7451 this one "max-flow-memory-locations".
7453 2006-04-27 Richard Guenther <rguenther@suse.de>
7455 PR tree-optimization/25148
7456 * tree-vrp.c (compare_values): Remove code dealing with
7457 comparisons against type min/max value. Honour overflow
7458 and negative constants in code dealing with comparisons
7459 of plus and minus expressions.
7460 (value_inside_range): Use fold_binary with LE_EXPR and
7461 GE_EXPR rather than compare_values.
7463 2006-04-27 Dirk Mueller <dmueller@suse.de>
7465 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7468 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7470 * basic-block.h (safe_insert_insn_on_edge): Removed.
7471 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7473 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7474 Paolo Bonzini <bonzini@gnu.org>
7477 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7478 (simplify_and_const_int): Same.
7480 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7482 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7484 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7487 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7488 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7489 cgraph_global_info_ready.
7492 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7495 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7496 either decl or init is error_mark_node.
7499 * tree-flow.h (struct omp_region): Add sched_kind.
7500 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7501 instead of extracting omp for data.
7502 (expand_omp_for): Save extracted sched_kind.
7504 2006-04-25 Roger Sayle <roger@eyesopen.com>
7506 * expmed.c (store_bit_field): Also check whether the bitsize is
7507 valid for the machine's "insv" instruction before moving the
7508 target into a pseudo for use with the insv.
7509 * config/i386/predicates.md (const8_operand): New predicate.
7510 * config/i386/i386.md (extv, extzv, insv): Use the new
7511 const8_operand predicate where appropriate.
7513 2006-04-25 DJ Delorie <dj@redhat.com>
7515 * doc/install.texi (Specific): Clarify that this is not a list of
7516 supported hosts or targets.
7518 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7520 PR rtl-optimization/26725
7521 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7522 block's BB_DIRTY flag.
7524 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7526 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7529 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7530 to print an integer.
7532 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7534 * varasm.c (align_variable): New function.
7535 (get_block_for_decl): Apply align_variable to DECL before
7536 calculating section information.
7537 (assemble_variable): Split out alignment computation.
7539 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7541 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7544 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7546 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7547 MODE_PARTIAL_INT mode.
7548 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7549 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7551 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7552 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7554 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7556 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7558 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7559 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7560 MACFLAG_IH): Likewise.
7561 (movstricthi_1): Renamed from "*movstricthi".
7562 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7563 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7564 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7565 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7566 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7567 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7568 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7569 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7570 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7571 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7572 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7573 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7574 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7575 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7576 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7578 * doc/rtl.texi (ss_ashift): Improve wording.
7580 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7582 * dwarf2out.c (verify_marks_clear): New.
7583 (prune_unused_types): Call verify_marks_clear initially, not
7586 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7588 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7589 * doc/rtl.texi: Document them.
7590 * simplify-rtx.c (simplify_unary_operation,
7591 simplify_binary_operation_1): Don't abort when we see them.
7593 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7596 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7597 * configure.ac: Completely disregard languages that are not
7599 * configure: Regenerated.
7601 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7602 Richard Guenther <rguenther@suse.de>
7604 PR tree-optimization/27236
7605 * tree-inline.c (copy_body_r): Make sure to copy
7606 TREE_THIS_VOLATILE flag.
7608 2006-04-24 Richard Guenther <rguenther@suse.de>
7611 * tree-complex.c (update_parameter_components): Don't handle
7612 unused parameters which have no default def.
7614 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7615 Richard Guenther <rguenther@suse.de>
7617 PR tree-optimization/27218
7618 * tree-inline.c (expand_call_inline): Strip useless type
7619 conversions for the return slot address.
7621 2006-04-24 Richard Guenther <rguenther@suse.de>
7623 * cfgloop.h (struct loops): Remove unused field array. Reorder
7625 (LOOP_PREFETCH): Remove.
7627 2006-04-24 Richard Guenther <rguenther@suse.de>
7629 PR tree-optimization/22525
7630 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7631 variable, adjust types of generated expressions.
7633 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7635 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7636 (tree-vect-patterns.o): Likewise.
7638 (cselib.o): Likewise.
7639 (loop-doloop.o): Likewise.
7640 (regclass.o): Likewise.
7641 (reload1.o): Likewise.
7642 (explow.o): Replace target.h with $(TARGET_H).
7643 (ipa-prop.o): Likewise.
7644 (ipa-cp.o): Likewise.
7645 (ipa-inline.o): Likewise.
7646 (reorg.o): Likewise.
7647 (reg-stack.o): Likewise.
7649 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7651 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7653 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7655 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7657 * configure.ac: Completely disregard languages that are not
7659 * configure: Regenerated.
7662 * c-common.h (c_build_bitfield_integer_type): Declare.
7663 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7664 * c-common.c (c_build_bitfield_integer_type): ... here.
7666 2006-04-23 Roger Sayle <roger@eyesopen.com>
7669 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7670 a SImode SUBREG of a floating point register after no_new_pseudos.
7672 2006-04-23 Roger Sayle <roger@eyesopen.com>
7674 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7675 identify potentially eliminable registers to additionally catch
7676 VIRTUAL_INCOMING_ARGS_REGNUM.
7677 (addsi3): Update the conditions on when to use addsi_small_int.
7679 2006-04-23 Roger Sayle <roger@eyesopen.com>
7682 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7683 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7684 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7686 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7688 * fold-const.c (range_predecessor): Use operand_equal_p
7689 as the predicate for equality.
7690 (range_successor): Likewise.
7692 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7695 * config/soft-fp/op-common.h: Fix a typo.
7697 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7700 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7701 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7703 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7705 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7707 * doc/tm.texi: Fix a typo.
7709 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7711 * dwarf2out.c (struct die_struct): Document that die_sib makes
7712 a circular linked list.
7713 (FOR_EACH_CHILD): New.
7714 (reverse_die_lists): Delete.
7715 (reverse_all_dies): Delete.
7716 (add_dwarf_attr): Correct documentation.
7717 (remove_child_with_prev): New.
7718 (remove_child_TAG): Update for change to die_struct, use
7719 remove_child_with_prev.
7720 (add_child_die): Update for change to die_struct.
7721 (splice_child_die): Use remove_child_with_prev and add_child_die.
7722 (print_die): Use FOR_EACH_CHILD.
7723 (die_checksum): Likewise.
7724 (assign_symbol_names): Likewise.
7725 (output_location_lists): Likewise.
7726 (build_abbrev_table): Likewise.
7727 (calc_die_sizes): Likewise.
7728 (mark_dies): Likewise.
7729 (unmark_dies): Likewise.
7730 (unmark_all_dies): Likewise.
7731 (output_die): Likewise.
7732 (prune_unused_types_mark): Likewise.
7733 (prune_unused_types_walk): Likewise.
7734 (same_die_p): Update for change to die_struct.
7735 (break_out_includes): Likewise.
7736 (prune_unused_types_prune): Likewise.
7737 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7738 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7740 (dwarf2out_finish): Don't call reverse_all_dies.
7742 2006-04-21 Eric Christopher <echristo@apple.com>
7744 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7745 in comments and function names.
7747 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7750 * c-typeck.c (digest_init): Robustify.
7752 * c-typeck.c (pop_init_level): Simplify.
7754 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7756 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7758 2006-04-21 Paul Brook <paul@codesourcery.com>
7760 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7761 hardware floating point.
7763 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7765 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7768 2006-04-21 Nick Clifton <nickc@redhat.com>
7770 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7773 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7776 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7777 C++ lang type in traceback table for Objective-C++.
7779 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7781 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7783 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7785 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7788 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7789 were errors. Remove check for erroneous objects.
7791 2006-04-20 Jeff Law <law@redhat.com>
7793 PR tree-optimization/26854
7794 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7795 checking for zero or one use.
7796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7797 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7798 * tree-ssa-reassoc.c (negate_value): Similarly.
7799 (reassociate_bb): Similarly.
7801 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7803 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7804 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7805 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7807 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7809 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7810 fp regs if the last fp arg doesn't fit in regs.
7812 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7815 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7816 that the last insn has the REG_INC note.
7818 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7819 Nathan Sidwell <nathan@codesourcery.com>
7822 * stor-layout.c (update_alignment_for_field): Do not align
7824 (place_union_field): Place union field at the start of the union.
7825 (place_field): Move ERROR_MARK check later, and use the current
7826 allocation position to maintain monotonicity.
7828 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7830 * dominance.c: Include timevar.h.
7831 (calculate_dominance_info): Use TV_DOMINANCE.
7832 * timevar.def (TV_DOMINANCE): New timevar.
7833 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7835 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7837 PR rtl-optimization/14261
7838 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7839 move would be an INSV insn.
7840 (noce_process_if_block): Don't optimize if the destination is a
7841 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7843 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7845 * config/s390/s390.md: Add comments with the instructions emitted
7846 by an insn pattern if macros are used.
7848 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7850 PR rtl-optimization/26026
7851 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7852 is a known power of two shifted left a variable amount.
7854 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7856 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7857 to hash table twice when the debug_str section has SECTION_MERGE.
7859 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7861 * config/soft-fp: New directory. From glibc.
7862 * config/soft-fp/t-softfp: New.
7863 * config/soft-fp/README: New.
7864 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7865 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7866 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7867 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7868 * config.gcc: Use rs6000/t-fprules-fpbit or
7869 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7871 * config/rs6000/sfp-machine.h: New. Based on glibc.
7872 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7874 * config/rs6000/t-fprules: Remove fp-bit rules.
7875 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7876 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7877 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7878 (softfp_wrap_start, softfp_wrap_end): New.
7880 2006-04-18 DJ Delorie <dj@redhat.com>
7882 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7884 2006-04-18 Devang Patel <dpatel@apple.com>
7886 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7888 2006-04-18 Nick Clifton <nickc@redhat.com>
7890 * config/sh/t-symbian: Add rule to build sh-c.o
7891 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7892 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7893 (sh_symbian_encode_section_info): Likewise.
7895 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7897 * builtins.c (expand_builtin_strcmp): Cover label definition of
7898 do_libcall with HAVE_cmpstrnsi.
7900 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7902 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7904 * function.h (temp_slot_p): New.
7905 (function): Change the type of x_used_temp_slots to
7906 VEC(temp_slot_p,gc) *.
7908 2006-04-18 Nick Clifton <nickc@redhat.com>
7910 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7911 flag_strength_reduce.
7913 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7915 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7919 Partial revert of revision 112637
7920 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7921 Dale Johannesen <dalej@apple.com>
7924 * regclass.c (struct reg_pref): Update documentation.
7925 (regclass): Set prefclass to NO_REGS if memory is the best option.
7926 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7928 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7930 PR tree-optimization/26821
7931 * tree-ssa-math-opts.c (get_constant_one): New.
7932 (insert_reciprocals): Use it.
7934 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7936 * dwarf2out.c (free_AT): Delete.
7937 (remove_AT): Update string ref counts.
7938 (remove_child_TAG): Don't call free_die.
7940 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7941 or DW_TAG_GNU_EINCL.
7942 (prune_unused_types_walk_attribs): Reset string refcounts.
7943 (prune_unused_types_update_strings): New.
7944 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7945 call free_die. Do call prune_unused_types_update_strings.
7946 (prune_unused_types): Empty debug_str_hash.
7948 2006-04-17 Roger Sayle <roger@eyesopen.com>
7950 * expr.c (expand_assignment): Optimize away no-op moves where the
7951 source and destination are equal and have no side-effects.
7953 2006-04-17 Richard Guenther <rguenther@suse.de>
7956 * reload.c (push_reload): Guard calls to get_secondary_mem
7959 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7961 * alias.c (reg_base_value, old_reg_base_value): Change the
7962 type to VEC(rtx,gc) *.
7963 (REG_BASE_VALUE, find_base_value, record_set,
7964 init_alias_analysis): Use VEC instead of VARRAY.
7966 * alias.c (alias_sets): Change the type to
7967 VEC(alias_set_entry,gc) *.
7968 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7969 VEC instead of VARRAY.
7970 (last_alias_set): Remove.
7972 * cgraph.h (cgraph_edge_p): New.
7973 Update the prototype of cgraph_function_versioning.
7974 * cgraphunit.c (cgraph_copy_node_for_versioning,
7975 cgraph_function_versioning): Use VEC instead of VARRAY.
7976 * ipa-cp.c (ipcp_insert_stage): Likewise.
7978 2006-04-16 Roger Sayle <roger@eyesopen.com>
7981 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7982 "A op B" or "A op C", we may need to convert A to the type of B and C.
7984 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7986 * target.h (struct gcc_target): Add mode_rep_extended.
7987 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7988 (init_num_sign_bit_copies_in_rep): Initialize it using
7990 (truncate_to_mode): Use it.
7991 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7992 * targhooks.h (default_mode_rep_extended): Declare it.
7993 * targhooks.c (default_mode_rep_extended): Define it.
7994 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7995 default_mode_rep_extended.
7996 (TARGET_INITIALIZER): Include it.
7997 * doc/tm.texi (Misc): Document it.
7998 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7999 (mips_truncated_to_mode): New function.
8001 2006-04-16 Roger Sayle <roger@eyesopen.com>
8004 * expr.c (compress_float_constant): Copy the narrow constant into
8005 a new pseudo before extending it to its final width.
8007 2006-04-16 Roger Sayle <roger@eyesopen.com>
8008 Andrew Pinski <pinskia@gcc.gnu.org>
8009 Dale Johannesen <dalej@apple.com>
8012 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8013 special case code to implement V8HImode and V16QImode with SSE2.
8015 2006-04-15 Roger Sayle <roger@eyesopen.com>
8017 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8018 trees are constructed with a suitable tree type.
8020 2006-04-15 Roger Sayle <roger@eyesopen.com>
8022 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8023 (integer_onep): Likewise.
8024 (integer_all_onesp): Likewise.
8025 (integer_pow2p): Likewise.
8026 (integer_nonzerop): Likewise.
8027 (real_zerop): Likewise.
8028 (real_onep): Likewise.
8029 (real_twop): Likewise.
8030 (real_minus_onep): Likewise.
8031 (int_size_in_bytes): Likewise.
8032 (host_integerp): Likewise.
8034 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8036 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8037 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8038 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8040 * tree-ssa-structalias.h (alias_info): Remove num_references.
8042 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8044 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8045 (output_bvb patterns): Likewise.
8046 * pa.c (output_bb): Use 'bb' insn for long branch case.
8047 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8048 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8049 1. Correct length operand for alternatives 1 and 2.
8050 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8051 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8053 2006-04-14 Roger Sayle <roger@eyesopen.com>
8055 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8056 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8057 were accidentally reverted by r112959.
8059 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8062 * except.h (eh_region_outermost): New prototype.
8063 * except.c (eh_region_outermost): New function.
8064 * tree-cfg.c (find_outermost_region_in_block): Use it.
8066 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8068 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8070 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8071 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8072 (init_reload, reload): Use VEC instead of VARRAY.
8073 * reload.h: Update the prototype for
8074 reg_equiv_memory_loc_varray.
8076 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8077 Eric Botcazou <ebotcazou@libertysurf.fr>
8079 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8082 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8085 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8086 to expand fallback builtin function call.
8088 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8091 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8092 and emit libcall here in case the builtin fails.
8093 (expand_builtin_strcmp): Always emit the libcall here on failure.
8095 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8097 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8098 * flow.c (reg_n_info): Change the type to
8099 VEC(reg_info_p,heap) *.
8100 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8102 * regs.h (reg_info_p): New.
8103 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8104 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8105 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8108 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8110 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8112 * params.h (MAX_SCHED_READY_INSNS): New macro.
8113 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8114 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8115 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8116 the ready list for 1 cycle during the first scheduling pass.
8117 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8119 2006-04-13 Richard Henderson <rth@redhat.com>
8122 * gimple-low.c (lower_omp_directive): Remove dead code.
8123 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8124 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8125 * omp-low.c (struct omp_region): Move to tree-flow.h.
8126 (root_omp_region): Export.
8127 (omp_regions, lookup_omp_region): Remove.
8128 (determine_parallel_type): Update for struct omp_region changes.
8129 (dump_omp_region): Dump regions with block numbers.
8130 (new_omp_region): Take type and block instead of stmt; malloc
8132 (free_omp_region_1, free_omp_regions): New.
8133 (expand_parallel_call): Take entry_stmt as argument; update for
8134 changes to omp_region.
8135 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8136 (remove_exit_barriers): New.
8137 (expand_omp_parallel): Update for struct omp_region changes.
8138 (expand_omp_synch): Likewise.
8139 (expand_omp): Likewise.
8140 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8141 (expand_omp_for_static_chunk): Likewise.
8142 (expand_omp_for): Likewise.
8143 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8144 (expand_omp_sections): Similarly, with GOMP_sections_end.
8145 (expand_omp_single): New.
8146 (build_omp_regions_1): Update for OMP_CONTINUE.
8147 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8148 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8149 OMP_SECTIONS_SECTIONS.
8150 (lower_omp_single_simple): Don't emit barrier here.
8151 (lower_omp_single_copy): Likewise.
8152 (lower_omp_single): Fix bindings, and lower to straightline now.
8153 (lower_omp_master, lower_omp_ordered): Likewise.
8154 (lower_omp_critical): Likewise.
8155 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8156 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8157 omp edges, free it afterward.
8158 (make_omp_sections_edges): Remove.
8159 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8160 (move_stmt_r): Handle OMP_CONTINUE.
8161 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8162 statement pointers to basic blocks. Add type member.
8163 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8164 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8165 * tree-inline.c (estimate_num_insns_1): Likewise.
8166 * tree-pretty-print.c (dump_generic_node): Likewise.
8167 * tree-ssa-operands.c (get_expr_operands): Likewise.
8168 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8169 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8170 (OMP_CONTINUE): New.
8171 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8172 (OMP_SECTIONS_SECTIONS): Remove.
8173 (OMP_SECTION_LAST): New.
8174 (OMP_RETURN_NOWAIT): New.
8176 2006-04-13 Roger Sayle <roger@eyesopen.com>
8178 * fold-const.c (native_encode_vector, native_interpret_real):
8179 Correct obvious mistakes in the previous check-in.
8181 2006-04-13 Roger Sayle <roger@eyesopen.com>
8183 * fold-const.c (native_encode_expr): New function to encode
8184 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8185 or VECTOR_CST into a specified buffer.
8186 (native_encode_int): New function.
8187 (native_encode_real): New function.
8188 (native_encode_complex): New function.
8189 (native_encode_vector): New function.
8190 (native_interpret_expr): Inverse of native_encode_expr to convert
8191 a target representation into an INTEGER_CST, REAL_CST etc...
8192 (native_interpret_int): New function.
8193 (native_interpret_real): New function.
8194 (native_interpret_complex): New function.
8195 (native_interpret_vector): New function.
8196 (fold_view_convert_expr): New function to constant fold/evaluate
8197 a VIEW_CONVERT_EXPR of a suitable constant expression.
8198 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8199 Change call of build1 to fold_build1 when constructing a
8202 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8203 Ulrich Weigand <uweigand@de.ibm.com>
8206 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8209 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8212 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8213 optimize to lo_sum for DFmode if !TARGET_FPRS.
8215 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8217 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8218 delete_alias_info, compute_flow_sensitive_aliasing,
8219 group_aliases): Use VEC instead of VARRAY.
8220 * tree-ssa-structalias.c (update_alias_info): Likewise.
8221 * tree-ssa-structalias.h (alias_info): Change the type of
8222 processed_ptrs to VEC(tree,heap) *.
8224 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8227 * config/sh/lib1funcs.h: New file, broken out of:
8228 * config/sh/lib1funcs.asm.
8229 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8231 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8232 * config/sh/lib1funcs-Os-4-200.asm: New file.
8233 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8234 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8235 (EXTRA_MULTILIB_PARTS): Include it.
8236 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8237 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8238 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8239 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8242 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8244 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8245 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8246 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8248 * tree-ssa-live.h: Include vecprim.h.
8249 (tree_partition_associator_d): Change the type of
8250 first_partition to VEC(int,heap) *.
8251 (tpa_first_partition): Use VEC instead of VARRAY.
8253 * Makefile.in (GTFILES): Move functions.h after tree.h.
8254 * function.c (reset_block_changes, record_block_change,
8255 check_block_change, free_block_changes): Use VEC instead of
8257 * function.h (function): Change the type of
8258 ib_boundaries_block to VEC(tree,gc) *.
8259 * tree-inline.c (copy_cfg_body): Initialize
8260 ib_boundaries_block to NULL instead of (varray_type) 0.
8262 2006-04-12 Roger Sayle <roger@eyesopen.com>
8264 * expr.c (emit_group_store): Correct operand order in call to
8265 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8266 a SUBREG_BYTE of zero.
8268 2006-04-12 Richard Guenther <rguenther@suse.de>
8270 * profile.c (compute_branch_probabilities): Remove code
8271 encapsulated in !ir_type (), which are remanents of the
8272 removed RTL profiling code.
8273 * rtl-profile.c: Remove.
8275 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8277 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8278 magic NULL_RTX comment.
8279 (function_arg): Store entire fp arg to mem if any part should go
8281 (rs6000_arg_partial_bytes): Adjust for above change.
8283 2006-04-11 Roger Sayle <roger@eyesopen.com>
8285 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8286 if it hasn't been initialized by dwarf2out_init.
8288 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8290 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8291 symbolic constants in branch patterns.
8293 2006-04-11 Roger Sayle <roger@eyesopen.com>
8295 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8297 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8299 PR rtl-optimization/27073
8300 * gcse.c (try_replace_reg): Revert last change. Continue to search
8301 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8304 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8306 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8307 aggregate types other than record and union types.
8308 (function_arg): Likewise.
8309 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8311 (function_value): In 64-bit mode, return objects that require it
8314 2006-04-11 Roger Sayle <roger@eyesopen.com>
8316 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8318 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8320 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8322 2006-04-03 Jeff Law <law@redhat.com>
8325 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8326 alias information too.
8328 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8330 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8332 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8335 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8336 (premark_used_types_helper): New.
8337 (premark_used_types): New.
8338 (gen_subprogram_die): Call premark_used_types.
8339 (prune_unused_types_walk): Do not prune perennial dies.
8340 * function.c (used_types_insert): New.
8341 * function.h (struct function): Add used_types_hash field.
8342 (used_types_insert): Add prototype.
8343 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8344 * c-parser.c (c_parser_cast_expression): Save casted types in used
8347 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8350 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8351 rs6000_explicit_options.float_gprs.
8353 2006-04-10 Roger Sayle <roger@eyesopen.com>
8355 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8356 from ix86_expand_vector_init_low_nonzero. Take an additional
8357 one_var argument indicating which element is non-zero. Support
8358 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8359 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8360 with one_var instead of ix86_expand_vector_init_low_nonzero.
8362 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8364 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8365 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8366 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8367 build/genextract.o): Depend on vecprim.h.
8368 * cfglayout.c, df-problems.c, function.c, genextract.c,
8369 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8370 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8374 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8376 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8377 Declare VECs of this type.
8378 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8379 (remove_children): Delete.
8380 (add_dwarf_attr): Use VEC routines.
8381 (add_AT_flag): Update for changes to add_dwarf_attr.
8382 (add_AT_int): Likewise.
8383 (add_AT_unsigned): Likewise.
8384 (add_AT_long_long): Likewise.
8385 (add_AT_vec): Likewise.
8386 (add_AT_string): Likewise.
8387 (add_AT_die_ref): Likewise.
8388 (add_AT_fde_ref): Likewise.
8389 (add_AT_loc): Likewise.
8390 (add_AT_loc_list): Likewise.
8391 (add_AT_addr): Likewise.
8392 (add_AT_lbl_id): Likewise.
8393 (add_AT_lineptr): Likewise.
8394 (add_AT_macptr): Likewise.
8395 (add_AT_offset): Likewise.
8396 (add_AT_range_list): Likewise.
8397 (get_AT): Use VEC_iterate.
8398 (remove_AT): Use VEC_ordered_remove.
8399 (free_die): Fold remove_children into here; have it use VEC_iterate.
8400 (print_die): Use VEC_iterate on attrs.
8401 (reverse_die_lists): Don't reverse attr lists.
8402 (die_checksum): Use VEC_iterate on attrs.
8403 (same_die_p): Likewise.
8404 (output_location_lists): Likewise.
8405 (build_abbrev_table): Likewise.
8406 (size_of_die): Likewise.
8407 (unmark_all_dies): Likewise.
8408 (output_abbrev_section): Likewise.
8409 (output_die): Likewise.
8410 (prune_unused_types_walk_attribs): Likewise.
8412 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8414 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8416 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8419 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8421 2006-04-09 Roger Sayle <roger@eyesopen.com>
8423 * expr.c (store_constructor): Don't bother clearing target if
8424 we're about to assign a vector to it using vec_init_optab.
8426 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8428 * tree-ssa-alias.c (lhs_may_store_to): New function.
8429 (recalculate_used_alone): Handle LHS of calls.
8431 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8435 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8436 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8437 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8438 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8439 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8440 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8441 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8442 stubs. Add ".align 8" directives before all ".dword" directives.
8443 (GTHREAD_USE_WEAK): Revise comment.
8444 (TARGET_ATTRIBUTE_WEAK): Define.
8445 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8446 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8447 * stublib.c: New file.
8452 * pa.md (cbranch patterns): Revise arguments used in calls to
8453 output_cbranch, output_bb and output_bvd. Add long branch length
8455 (fbranch patterns): Handle long branches.
8456 (jump): Revise length check. Revise arguments for output_lbranch call.
8457 Add long branch length attributes.
8458 (decrement_and_branch_until_zero): Add long branch length attributes.
8459 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8460 Likewise. Revise arguments for output_parallel_addb and
8461 output_parallel_movb calls.
8462 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8463 output_parallel_movb and output_parallel_addb): Update prototypes.
8464 * pa.c (output_cbranch): Revise arguments. Correct handling of
8465 nullification in long branches.
8466 (output_lbranch): Add new argument to control extraction of delay
8468 (output_bb): Handle long branches.
8469 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8470 output_parallel_addb): Likewise.
8472 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8474 PR rtl-optimization/27073
8475 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8478 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8480 * tree.h (tree_memory_tag): Add old_used_alone.
8481 (SMT_OLD_USED_ALONE): New macro.
8482 * tree-ssa-alias.c (recalculate_used_alone): Stop
8483 marking things for renaming unnecessarily.
8485 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8487 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8488 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8489 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8490 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8491 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8492 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8493 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8494 spelling convensions.
8495 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8496 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8497 typos. Follow spelling conventions.
8499 2006-04-07 DJ Delorie <dj@redhat.com>
8501 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8502 passed on the stack.
8503 (m32c_init_cumulative_args): When a function returns a structure,
8504 always pass the pointer to that return area on the stack.
8505 (m32c_function_arg_advance): Don't increment the parameter number
8506 if we're processing the returned structure pointer.
8507 (pushm_info): Reverse order of registers.
8509 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8511 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8512 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8513 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8514 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8516 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8517 chrec_fold_multiply): Same.
8518 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8519 force_expr_to_var_cost): Same.
8520 * tree-mudflap.c (mf_xform_derefs_1): Same.
8521 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8523 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8525 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8526 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8529 2006-04-07 Jan Hubicka <jh@suse.cz>
8531 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8533 2006-04-07 Richard Guenther <rguenther@suse.de>
8535 PR tree-optimization/26135
8536 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8537 loads for store copy-prop.
8538 (copy_prop_visit_stmt): Likewise.
8540 2006-04-05 Robert Millan <robertmh@gnu.org>
8542 * config/i386/linux.h: Add a comment to mark macros that are
8543 being overriden in config/k*bsd-gnu.h.
8544 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8546 * config/knetbsd-gnu.h: Ditto.
8548 2006-04-06 Jan Hubicka <jh@suse.cz>
8552 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8555 2006-04-06 Mike Stump <mrs@apple.com>
8557 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8558 for HAVE_nonlocal_goto to be consistent.
8559 (expand_builtin_nonlocal_goto): Likewise.
8560 (expand_builtin_strcmp): Use #ifdef instead of #if
8561 for HAVE_cmpstrnsi to be consistent.
8563 2006-04-05 DJ Delorie <dj@redhat.com>
8565 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8568 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8570 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8571 got-relative addressing for anything but SImode.
8573 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8574 even if the calling function doesn't modify them.
8576 2006-04-05 Richard Guenther <rguenther@suse.de>
8578 PR tree-optimization/26919
8579 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8580 to cgraph_estimate_size_after_inlining.
8582 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8584 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8586 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8588 PR tree-optimization/26996
8589 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8590 VECTOR_TYPE variables.
8592 2006-04-05 Richard Guenther <rguenther@suse.de>
8594 PR tree-optimization/26763
8595 * fold-const.c (fold_comparison): Move folding of
8596 PTR + CST CMP PTR + CST ...
8597 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8599 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8601 * doc/install.texi (Prerequisites): Refine some wording on
8602 bootstrapping and ksh.
8603 Move the version numbers of DejaGnu here from the testing section
8604 and fix casing of names.
8605 Fix markup and clarify wording for autogen requirements.
8606 Refer to GCJ instead of just java.
8607 Refer to SVN instead of CVS.
8608 Describe diffutils as useful instead of necessary.
8609 (Downloading the source): Refer to SVN instead of CVS.
8610 Adjust a link to our web site accordingly.
8611 (Configuration): Fix casing of Bison.
8612 (Building): Refer to SVN instead of CVS.
8613 Fix a sentence on the use of Bison and remove duplicate (and
8614 incorrect) version number of Bison requirement.
8615 Remove one redundant list of packages needed for building.
8616 (Specific): Avoid reference to CVS.
8618 2006-04-04 Eric Christopher <echristo@apple.com>
8620 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8621 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8622 (rs6000_handle_struct_attribute): New.
8623 (rs6000_ms_bitfield_layout_p): Ditto.
8625 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8627 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8628 NULL for dso parameter to atexit_common.
8630 2006-04-04 Eric Christopher <echristo@apple.com>
8632 * config/i386/i386.c (machopic_output_stub): Output \t
8633 between instructions and operands.
8635 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8637 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8638 satisfies_constraint_[IL] to explicit tests on value.
8640 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8642 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8643 set_nb_iterations_in_loop): Use build_int_cst instead of
8645 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8646 build_int_cst instead of convert.
8648 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8650 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8651 new value 2 for incoming.
8652 * function.c (expand_function_start): Call struct_value_rtx
8654 * config/sparc/sparc.md: Comment updated_return.
8655 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8656 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8657 struct return if sparc_std_struct_return and incoming is 2.
8658 (print_operand): Do not adjust return if
8659 sparc_std_struct_return.
8661 2006-04-04 Roger Sayle <roger@eyesopen.com>
8663 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8664 convert in the middle-end.
8665 * expr.c (store_expr, store_constructor, get_inner_reference,
8666 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8668 * tree.c (build_range_type): Likewise.
8670 2006-04-04 Tom Tromey <tromey@redhat.com>
8672 * doc/install.texi (Prerequisites): Mention jar.
8674 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8676 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8679 2006-04-04 Matthias Klose <doko@debian.org>
8681 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8685 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8688 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8690 * doc/extend.texi (Function Attributes): Rewrite visibility
8691 attribute documentation.
8692 * doc/invoke.texi (C++ Dialect Options): Rewrite
8693 -fvisibility-inlines-hidden documentation to describe something
8694 entirely different, although in practise compatible.
8695 (Code Gen Options): Warn about system headers in -fvisibility=
8698 * doc/extend.texi (Other Builtins): Document that
8699 __builtin_nan is a compile-time constant only when its argument
8702 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8704 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8705 trying to remove TRUNCATE check if all bits outside the new mode
8706 are identical to the sign bit.
8708 2006-04-03 Jeff Law <law@redhat.com>
8710 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8711 and operand scanning in some common cases.
8713 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8714 Dale Johannesen <dalej@apple.com>
8717 * regclass.c (struct reg_pref): Update documentation.
8718 (regclass): Set prefclass to NO_REGS if memory is the best option.
8719 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8720 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8721 into account. For non-registers, equate an empty preferred
8722 reload class to a `!' in the constraint; move the if clause to
8723 do so after those that reject the insn.
8724 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8726 (find_dummy_reload): Likewise.
8727 * doc/tm.texi (Register Classes): Document what it means
8728 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8729 * config/i386/i386.c (ix86_preferred_reload_class): Force
8730 using SSE registers (and return NO_REGS for floating-point
8731 constants) if math is done with SSE.
8732 (ix86_preferred_output_reload_class): New.
8733 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8734 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8735 * config/i386/i386.md: Remove # register preferences.
8737 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8740 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8741 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8742 the type of nb_iter.
8743 (instantiate_parameters_1): Convert the operands before calling
8744 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8745 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8747 2006-04-02 Roger Sayle <roger@eyesopen.com>
8749 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8750 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8752 * dojump.c (do_jump): Likewise.
8753 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8754 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8755 gimplify_boolean_expr): Likewise.
8756 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8757 * varasm.c (array_size_for_constructor): Likewise.
8758 * tree-object-size.c (compute_object_offset): Likewise.
8760 2006-04-02 Roger Sayle <roger@eyesopen.com>
8763 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8764 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8766 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8768 PR tree-optimization/26939
8769 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8771 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8773 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8774 at_stmt. Convert the type of operands before calling
8775 build_polynomial_chrec.
8776 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8778 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8779 (instantiate_parameters_1): Convert the type of operands before calling
8780 build_polynomial_chrec.
8781 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8782 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8783 reset_evolution_in_loop): Insert asserts to check the types of the
8785 (chrec_type): Moved...
8786 (eq_evolutions_p): Use operand_equal_p.
8787 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8788 the types of the operands.
8789 (chrec_type): ...here.
8790 * tree-data-ref.c (create_data_ref): Convert the operands before
8791 calling chrec_replace_initial_condition.
8792 (same_access_functions, analyze_subscript_affine_affine,
8793 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8794 (compute_subscript_distance, analyze_ziv_subscript,
8795 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8796 analyze_miv_subscript): Convert the operands before calling
8797 chrec_fold_minus or chrec_fold_plus.
8799 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8801 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8802 the dependence_relations vector.
8803 (compute_data_dependences_for_loop): Adjust call to
8804 compute_all_dependences.
8806 2006-04-01 Roger Sayle <roger@eyesopen.com>
8807 Richard Henderson <rth@redhat.com>
8809 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8810 gimple_boolify on the condition before calling gimplify_expr.
8812 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8814 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8815 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8816 the frame size. Update to use the new macros.
8817 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8818 * config/xtensa/ieee754-df.S: Likewise.
8820 2006-03-31 Richard Henderson <rth@redhat.com>
8822 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8823 (make_edges): ... here. Control fallthru creation with a local
8824 variable. Do not play with fake edges.
8825 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8826 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8829 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8831 * dwarf2.h (DW64_CIE_ID): Define.
8832 * dwarf2out.c (DWARF_CIE_ID): Define.
8833 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8834 length header. Use DWARF_CIE_ID.
8835 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8836 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8838 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8840 * config/sh/linux-atomic.asm: New file.
8841 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8843 2006-03-31 DJ Delorie <dj@redhat.com>
8845 * config/m32c/cond.md: Set condition flags properly throughout.
8846 * config/m32c/minmax.md: Likewise.
8847 * config/m32c/prologue.md: Likewise.
8848 * config/m32c/bitops.md: Likewise.
8849 * config/m32c/muldiv.md: Likewise.
8850 * config/m32c/mov.md: Likewise.
8851 * config/m32c/addsub.md: Likewise.
8852 * config/m32c/m32c.md: Likewise.
8853 * config/m32c/jump.md: Likewise.
8854 * config/m32c/shift.md: Likewise.
8856 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8857 conditionally output the pattern for this.
8858 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8859 (m32c_compare_redundant): New.
8860 (m32c_output_compare): New.
8861 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8863 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8864 dest, not src. Allow other 4-byte modes.
8866 2006-03-30 Denis Chertykov <denisc@overta.ru>
8868 * doc/md.texi: Refer to avr/constraints.md instead of
8871 2006-03-30 Roger Sayle <roger@eyesopen.com>
8873 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8874 signed vs. unsigned comparison failures on some hosts.
8876 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8879 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8880 change to FLOAT_REGS.
8882 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8883 (rs6000_override_options): Use it.
8884 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8885 only for -mabi=spe/no-spe and -mabi=altivec.
8887 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8889 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8892 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8894 * Makefile.in: Rename docdir to gcc_docdir.
8896 2006-03-30 Roger Sayle <roger@eyesopen.com>
8899 * expr.c (emit_group_store): Optimize group stores into a pseudo
8900 register by using a paradoxical subreg to initialize the destination
8901 if the first or last member of the group specifies a "low part".
8903 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8906 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8907 * target.h (struct gcc_target.speculate_insn): Change type of the
8908 second parameter to 'int'.
8909 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8910 the second operand of the DEPS_LIST.
8911 (copy_DEPS_LIST_list): Update reference to the second operand of the
8913 * rtl.h (alloc_DEPS_LIST): Update signature.
8914 * sched-int.h (ds_t): Change typedef to 'int'.
8915 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8917 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8919 * haifa-sched.c (try_ready): Change condition to restore
8920 non-speculative pattern of the instruction.
8921 (process_insn_depend_be_in_spec): Code to keep probability of the
8922 speculative dependence non-decreasing.
8924 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8926 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8927 (single_move_for_movmem): ... this. Also change all uses.
8928 (bfin_expand_strmov): Renamed to...
8929 (bfin_expand_movmem): ... this. Also change all uses.
8930 * config/bfin/bfin.md (movstrsi): Renamed to...
8931 (movstrsi): ...this.
8933 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8935 PR tree-optimization/26830
8937 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8938 (copy_prop_visit_stmt): Remove write-only variable ann.
8939 (init_copy_prop): Check variable loop depth here. Do not simulate
8940 memory-tag and virtual operand PHIs except for store copy prop.
8942 2006-03-30 Richard Guenther <rguenther@suse.de>
8944 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8945 variants with double arguments.
8947 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8949 * genpreds.c (write_tm_constrs_h): Delete variable p.
8950 * genconditions.c (write_header): Add tm-constrs.h to included
8952 * genpeep.c (main): Add toplev.h to included headers.
8953 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8954 (build/genpeep.o): Add toplev.h dependency.
8955 * config/rs6000/constraints.md: Add "W" constraint.
8957 2006-03-29 Roger Sayle <roger@eyesopen.com>
8959 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8960 sizes by correctly testing whether the size fits a host integer.
8961 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8962 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8963 SImode range for the default sizetype and bitsizetype.
8965 2006-03-29 Roger Sayle <roger@eyesopen.com>
8967 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8968 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8969 quickly if the argument is already of the correct type.
8970 Call fold_build1 instead of build1. Tidy up blank lines.
8972 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8974 * genemit.c (main): Add tm-constrs.h to included headers.
8975 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8976 * genpeep.c (main): Add tm-constrs.h to included headers.
8977 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8978 (write_tm_constrs_h): this and write complete file.
8979 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8980 (write_insn_preds_c): Add tm-constrs.h to included headers.
8981 (gen_constrs): New variable.
8982 (parse_option): Parse "-c".
8983 (main): Invoke write_tm_constrs_h.
8984 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8985 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8986 (object_out_file): Add tm-constrs.h dependency.
8987 (insn-emit.o): Same.
8988 (insn-output.o): Same.
8989 (insn-peep.o): Same.
8990 (insn-preds.o): Same.
8991 (insn-recog.o): Same.
8992 (tm-constsr.h): New target.
8993 (s-constrs-h): New target.
8995 * config/rs6000/constraints.md: New file.
8996 * config/rs6000/rs6000.c: Include tm-constrs.h.
8997 (num_insn_constant_wide): Convert to satisfies_constraint.
8998 (rs6000_rtx_costs): Convert to satisfies_constraint.
8999 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9000 (CONST_OK_FOR_LETTER_P): Delete.
9001 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9002 (EXTRA_CONSTRAINT): Delete.
9003 (EXTRA_MEMORY_CONSTRAINT): Delete.
9004 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9005 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9006 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9007 satisfies_constraint.
9009 * config/i386/i386.c: Include tm-constrs.h.
9011 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9013 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9014 * tree-data-ref.c (find_data_references_in_loop,
9015 compute_data_dependences_for_loop): Use pointers to VEC.
9016 (analyze_all_data_dependences): Adjust calls.
9017 * tree-data-ref.h (find_data_references_in_loop,
9018 compute_data_dependences_for_loop): Adjust declarations.
9019 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9020 compute_data_dependences_for_loop.
9022 2006-03-29 Paul Brook <paul@codesourcery.com>
9024 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9027 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9029 PR tree-optimization/26859
9030 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9032 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9033 for the step after fold_convert.
9035 2006-03-29 Paul Brook <paul@codesourcery.com>
9037 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9038 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9040 2006-03-29 Paul Brook <paul@codesourcery.com>
9043 * targhooks.c (default_narrow_bitfield): New fuction.
9044 * targhooks.h (default_narrow_bitfield): add prototype.
9045 * target.h (gcc_target): Add narrow_volatile_bitfield.
9046 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9047 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9048 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9049 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9051 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9053 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9055 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9056 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9057 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9058 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9059 (s390_function_arg_float): Allow SDmode and DDmode values to be
9060 passed in floating point registers.
9061 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9062 check with SCALAR_FLOAT_MODE_P.
9063 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9065 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9067 PR tree-optimization/25985
9068 * tree-ssa-loop-niter.c (number_of_iterations_le,
9069 number_of_iterations_ne): Make comments more precise.
9070 (number_of_iterations_cond): Add only_exit argument. Use the
9071 fact that signed variables do not overflow only when only_exit
9073 (loop_only_exit_p): New.
9074 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9075 number_of_iterations_cond.
9077 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9079 PR tree-optimization/26643
9080 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9083 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9085 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9086 (divsi3_i4_int): Likewise.
9088 2006-03-28 Roger Sayle <roger@eyesopen.com>
9090 * expr.c (emit_group_store): Only create a new pseudo reg if the
9091 quantity it needs to hold isn't already a suitable pseudo.
9093 2006-03-28 Jeff Law <law@redhat.com>
9095 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9096 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9098 2006-03-28 Roger Sayle <roger@eyesopen.com>
9100 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9101 the equivalent ~X & Y, and the symmetry related transformations.
9102 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9103 ~X & Y, and symmetry related transforms.
9105 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9107 Revert my 2006-03-27 patches.
9109 2006-03-28 Roger Sayle <roger@eyesopen.com>
9111 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9112 ~(T1)X, when T1 and T2 are integer types of the same precision
9113 and (T2)X isn't an extension.
9115 2006-03-28 Jeff Law <law@redhat.com>
9117 PR tree-optimization/26796
9118 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9119 need EH edge cleanups rather than purging them immediately.
9120 (eliminate_degenerate_phis): Handle queued EH cleanups.
9122 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9124 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9127 2006-03-27 Roger Sayle <roger@eyesopen.com>
9130 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9131 cast BIT_NOT_EXPR operand to the correct type.
9133 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9135 * tree-loop-linear.c: Don't include varray.h.
9136 (gather_interchange_stats, try_interchange_loops,
9137 linear_transform_loops): Use VEC instead of VARRAY.
9138 * lambda-mat.c: Don't include varray.h.
9139 * tree-chrec.c: Same.
9140 * lambda-trans.c: Same.
9141 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9142 VEC instead of VARRAY.
9143 * tree-vectorizer.h: Idem.
9144 * tree-data-ref.c (dump_data_references,
9145 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9146 initialize_data_dependence_relation, finalize_ddr_dependent,
9147 compute_all_dependences, find_data_references_in_loop,
9148 compute_data_dependences_for_loop, analyze_all_data_dependences,
9149 free_dependence_relation, free_dependence_relations,
9150 free_data_refs): Idem.
9151 * tree-data-ref.h (data_reference_p, subscript_p): New.
9152 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9153 VEC instead of VARRAY.
9154 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9155 (find_data_references_in_loop, compute_data_dependences_for_loop,
9156 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9157 dump_data_dependence_relations, free_dependence_relations,
9158 free_data_refs): Adjust declaration.
9159 (lambda_transform_legal_p): Move declaration here...
9160 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9161 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9162 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9163 vect_analyze_data_refs): Use VEC instead of VARRAY.
9164 * lambda.h (lambda_transform_legal_p): ...from here.
9165 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9166 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9167 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9168 tree-chrec.o): Don't depend on VARRAY_H.
9170 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9172 * rtl.def (Copyright): Update date.
9173 (DEPS_LIST): Change type of the second operand to 'int'.
9174 * target.h (Copyright): Update date.
9175 (struct gcc_target.speculate_insn): Change type of the second parameter
9177 * lists.c (Copyright): Update date.
9178 (alloc_DEPS_LIST): Change signature. Update reference to the second
9179 operand of the DEPS_LIST.
9180 (copy_DEPS_LIST_list): Update reference to the second operand of the
9182 * rtl.h (Copyright): Update date.
9183 (alloc_DEPS_LIST): Update signature.
9184 * sched-int.h (Copyright): Update date.
9185 (ds_t): Change typedef to 'int'.
9186 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9188 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9190 * haifa-sched.c (Copyright): Update date.
9191 (try_ready): Change condition to restore non-speculative pattern
9193 (process_insn_depend_be_in_spec): Code to keep probability of the
9194 speculative dependence non-decreasing.
9196 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9198 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9199 shut up the compiler.
9201 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9203 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9204 to use lib prefix for target.
9205 ($(T)libic_invalidate_array_4-200.a): Likewise.
9206 ($(T)libic_invalidate_array_4a.a): Likewise.
9208 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9209 J"orn Rennecke <joern.rennecke@st.com>
9211 * superh.opt: New file.
9212 * sh.c (boardtype, osruntime): Remove.
9213 * superh.h (SUBTARGET_OPTIONS): Remove.
9214 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9216 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9217 arguments with ^ and/or [].
9219 * config.gcc (sh-*-*): Add quoting to account for quirk of
9221 Replace == with = in enable_incomplete_targets test.
9223 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9224 with MASK_LITTLE_ENDIAN.
9226 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9227 * config/sh/sh.opt: Added to some comments.
9228 * config/sh/superh.h: Removed some chaff.
9230 * config/sh/sh.opt: Add m4-[1234]00* options.
9231 * config/sh/sh.c (sh_handle_option): Likewise.
9232 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9233 (ic_invalidate_array_4-100.o): New rule.
9234 ($(T)libic_invalidate_array_4-100.a): Likewise.
9235 (ic_invalidate_array_4-200.o): Likewise.
9236 ($(T)libic_invalidate_array_4-200.a): Likewise.
9237 (ic_invalidate_array_4a.o): Likewise.
9238 ($(T)libic_invalidate_array_4a.a): Likewise.
9239 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9240 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9242 * config/sh/crt1.asm: Merged in profiling code.
9243 * config/sh/superh.h (STARTFILE_SPEC): Override.
9244 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9245 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9246 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9248 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9249 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9250 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9252 * sh.opt (mpretend-cmove): New option.
9253 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9254 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9255 (movsicc): Add TARGET_PRETEND_CMOVE code.
9257 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9259 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9260 s390_class_max_nregs): New function prototypes.
9261 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9262 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9263 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9264 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9266 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9268 * dwarf2out.c (add_location_or_const_value_attribute): Call
9269 tree_add_const_value_attribute if nothing else works.
9270 (reference_to_unused): New.
9271 (rtl_for_decl_init): Use reference_to_unused to decide whether
9272 to output an initializer.
9274 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9277 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9278 peephole removing spe frob_di_df_2.
9280 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9282 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9283 (subscript_dependence_tester_1): Declared.
9284 (print_dir_vectors, print_dist_vectors): New.
9285 (debug_data_dependence_relation): New.
9286 (dump_data_dependence_relation): Print more details.
9287 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9288 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9289 (save_dist_v, save_dir_v, add_outer_distances,
9290 build_classic_dist_vector_1): New.
9291 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9292 Don't test for lambda_vector_lexico_pos.
9293 (same_access_functions, add_multivariate_self_dist,
9294 add_other_self_distances, dir_from_dist): New.
9295 (build_classic_dir_vector): Replace implementation almost identical to
9296 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9298 (subscript_dependence_tester_1): New.
9299 (subscript_dependence_tester): Handle the lexicographically negative
9300 distance vectors by recomputing the dependence relation.
9301 (compute_affine_dependence): Remove parameter loop_nest_depth.
9302 (compute_self_dependence): Don't call compute_subscript_distance.
9303 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9304 Add a parameter for the loop_nest.
9305 (find_loop_nest_1, find_loop_nest): New.
9306 (compute_data_dependences_for_loop): Compute the loop nest, and give
9307 up if the nest is not well formed.
9308 * tree-data-ref.h (loop_p): New.
9309 (struct data_dependence_relation): Replace size_vect field with
9310 loop_nest, a vec of loops.
9311 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9312 (DDR_LOOP_NEST): New.
9313 (print_dir_vectors, print_dist_vectors,
9314 debug_data_dependence_relation): Declared.
9315 (index_in_loop_nest): New.
9316 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9317 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9320 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9322 * simplify-rtx.c (simplify_relational_operation): Call
9323 simplify_relational_operation_1 even if mode is VOIDmode.
9325 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9327 PR tree-optimization/26804
9328 * tree.h (DECL_CALL_CLOBBERED): New macro.
9329 (tree_decl_common): Add call_clobbered_flag.
9330 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9331 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9332 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9333 (mark_non_addressable): Ditto.
9334 * tree-ssa.c (verify_call_clobbered): New function.
9335 (verify_alias_info): Use it.
9336 * tree-pass.h (pass_reset_cc_flags): New prototype.
9337 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9338 (reset_cc_flags): New function.
9339 * passes.c (init_optimization_passes): Call reset_cc_flags after
9340 initializing referenced_vars.
9342 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9343 Roger Sayle <roger@eyesopen.com>
9346 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9347 to 1.0 for non-real operands. Implement A / A optimization for
9350 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9352 * config/i386/i386.c (size_cost): Correct the comment for
9353 cost of storing fp registers.
9354 (i386_cost): Likewise.
9355 (i486_cost): Likewise.
9356 (pentium_cost): Likewise.
9357 (pentiumpro_cost): Likewise.
9358 (k6_cost): Likewise.
9359 (athlon_cost): Likewise.
9360 (k8_cost): Likewise.
9361 (pentium4_cost): Likewise.
9362 (nocona_cost): Likewise.
9363 (generic64_cost): Likewise.
9364 (generic32_cost): Likewise.
9366 2006-03-24 Denis Chertykov <denisc@overta.ru>
9368 * config/avr/avr-protos.h (extra_constraint): Delete.
9369 (extra_constraint_Q): New declaration.
9370 * config/avr/constraints.md: New file.
9371 * config/avr/avr.md: Include it.
9372 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9373 (TMP_REGNO, ZERO_REGNO): Likewise.
9374 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9375 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9376 (extra_constraint): Delete.
9377 (extra_constraint_Q): Test for memory constraint 'Q'.
9378 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9379 (REG_CLASS_FROM_LETTER): Delete.
9380 (CONST_OK_FOR_LETTER_P): Delete.
9381 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9382 (EXTRA_CONSTRAINT): Delete.
9383 (TMP_REGNO): Delete.
9384 (ZERO_REGNO): Delete.
9386 2006-03-24 Jeff Law <law@redhat.com>
9388 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9389 directly. Call mark_new_vars_to_rename slightly earlier.
9391 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9393 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9395 (gen_compile_unit_die): Use new language types for Objective-C and
9397 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9398 DW_LANG_C_plus_plus.
9401 * config/t-darwin (crt3.o): Work around bug 26840.
9402 * config/darwin-crt3.c: Rewrite.
9403 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9405 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9407 * doc/invoke.texi: Document -femit-class-debug-always
9408 * common.opt: Add -femit-class-debug-always.
9410 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9412 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9413 index and base register.
9414 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9415 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9416 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9417 REGNO_OK_FOR_INDEX_P.
9418 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9420 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9421 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9422 REG_OK_FOR_BASE_P): Definitions removed.
9424 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9427 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9428 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9429 set yet or weren't marked as local yet.
9431 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9433 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9436 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9438 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9439 (rs6000_legitimate_small_data_p): Delete.
9440 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9441 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9442 and make static. Add forward declaration. Update uses.
9443 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9444 of offsettable_memref_p.
9445 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9446 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9448 2006-03-24 Jeff Law <law@redhat.com>
9450 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9451 around bug in immediate-use iterator.
9453 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9456 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9457 or __LITTLE_ENDIAN__.
9459 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9461 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9462 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9463 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9464 * config/sh/sh.opt (mdiv=): Amend description.
9465 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9466 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9467 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9468 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9469 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9470 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9471 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9472 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9473 TARGET_DIVIDE_CALL_FP.
9475 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9477 * haifa-sched.c (choose_ready): Fix type of the local variable.
9478 Move local variables. Add comment.
9479 (check_reg_live): Change signature. Make callable from debugger.
9480 * sched-int.h (check_reg_live): Update signature.
9481 * sched-ebb.c (check_reg_live): Update parameters.
9482 * sched-rgn.c (check_reg_live): Ditto.
9483 (region_head_or_leaf_p): Check pointer before dereferencing.
9484 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9485 before reload on optimization levels below 1.
9487 2006-03-23 Richard Henderson <rth@redhat.com>
9489 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9493 * config/alpha/predicates.md (local_symbolic_operand): Reject
9496 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9499 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9500 expressions which have overflowed constants.
9502 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9504 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9506 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9508 * cfgloopmanip.c (create_loop_notes): Removed.
9509 * final.c (final_scan_insn): Do not handle loop notes.
9510 * jump.c (squeeze_notes): Ditto.
9511 * cfglayout.c (skip_insns_after_block,
9512 duplicate_insn_chain): Ditto.
9513 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9515 * cfgloop.h (create_loop_notes): Declaration removed.
9517 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9519 * varasm.c (output_constant_pool): Restore fnname and fndecl
9521 (assemble_start_function): Adjust call accordingly.
9522 (assemble_end_function): Likewise.
9524 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9527 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9530 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9532 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9535 * system.h (ICE_EXIT_CODE): New macro.
9536 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9537 (diagnostic_action_after_output): Likewise.
9538 * gcc.c (fatal_ice): New function.
9539 (execute): Use it instead of fatal.
9540 (fancy_abort): Likewise.
9541 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9543 2006-03-22 Jeff Law <law@redhat.com>
9545 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9546 iv_analyze_result returning false.
9548 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9550 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9552 2006-03-22 Richard Henderson <rth@redhat.com>
9555 * except.c (duplicate_eh_regions_0): New.
9556 (duplicate_eh_region_1): Duplicate the children of the node as
9557 well as the node itself. Link them up properly.
9558 (duplicate_eh_region_2): Merge into ...
9559 (duplicate_eh_regions): ... here. Take copy_region argument, and
9560 copy only a sub-tree if asked. Simplify copying and fixup.
9561 (eh_region_outer_p): New.
9562 * except.h (duplicate_eh_regions): Update decl.
9563 (eh_region_outer_p): Declare.
9564 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9565 (lower_omp_master): Likewise.
9566 (lower_omp_ordered): Likewise.
9567 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9568 (move_stmt_r): Use it to remap labels. Handle recursion vs
9569 remap_decls_p properly.
9570 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9571 (find_outermost_region_in_block): New.
9572 (new_label_mapper): New.
9573 (move_sese_region_to_fn): Copy eh information to the new function
9575 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9577 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9580 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9582 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9583 into shared libraries.
9585 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9587 * doc/md.texi: Refer to i386/constraints.md instead of
9589 * config/i386/constraints.md: New file, extracted from...
9590 * config/i386/predicates.md: ...here.
9591 * config/i386/i386.md: Include constraints.md.
9593 2006-03-21 Jason Merrill <jason@redhat.com>
9595 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9598 * expr.c (init_block_move_fn): Force default visibility.
9599 (init_block_clear_fn): Likewise.
9600 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9601 * targhooks.c (default_external_stack_protect_fail): Likewise.
9603 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9605 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9606 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9607 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9608 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9609 (loadgp): Use mips_current_loadgp_style.
9610 (loadgp_noshared): New pattern.
9611 (sibcall_internal): Use MIPS_CALL.
9612 (sibcall_value_internal): Likewise.
9613 (sibcall_value_multiple_internal): Likewise.
9614 (call_internal): Likewise.
9615 (call_value_internal): Likewise.
9616 (call_value_multiple_internal): Likewise.
9617 (call_split): Use MIPS_CALL and add an 'S' constraint.
9618 (call_value_split): Likewise.
9619 (call_value_multiple_split): Likewise.
9620 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9621 (-mshared): New option.
9622 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9623 (mips_current_loadgp_style): Declare.
9624 * config/mips/mips.c (mips_classify_symbol): Avoid using
9625 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9626 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9627 TARGET_ABSOLUTE_ABICALLS.
9628 (override_options): Adjust comments. Improve the warning that is
9629 issued when -mabicalls and -G are used together.
9630 (mips_file_start): Remove comment.
9631 (mips_current_loadgp_style): New function.
9632 (mips_gnu_local_gp): New variable.
9633 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9635 (mips_output_function_prologue): Use mips_current_laodgp_style.
9636 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9637 the cprestore instruction.
9638 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9639 live for TARGET_ABSOLUTE_ABICALLS.
9640 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9641 (ASM_SPEC): Pass down -mshared and -mno-shared.
9642 (MIPS_CALL): New macro.
9643 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9645 * doc/invoke.texi (-mabicalls): Update documentation.
9646 (-mshared): Document.
9648 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9650 * config/ia64/unwind-hpux.c: New file.
9651 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9653 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9656 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9658 2006-03-21 Jeff Law <law@redhat.com>
9660 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9661 type conversions of a VR_VARYING source to a wider type.
9663 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9665 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9666 tm_file on Solaris 10 and later.
9667 (sparc64-*-solaris2*): Likewise.
9668 (sparc-*-solaris2*): Likewise.
9669 * config/sol26.h: Rename to config/sol2-6.h.
9670 * config/sol2-10.h: New file.
9672 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9675 * tree-ssa-pre.c (create_component_ref_by_pieces):
9678 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9681 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9682 return it immediately.
9684 2006-03-21 Michael Matz <matz@suse.de>
9686 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9688 (remove_arc, add_arc): Update num_out_arcs member.
9689 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9691 (cache_presence): New function.
9692 (compare_states_for_equiv): New function.
9693 (state_is_differed): Don't take number of outargs, adjust callers.
9694 Use new invariant for speeding up.
9695 (init_equiv_class): Create initial classes based on sorted
9697 (partition_equiv_class): Don't track out_arcs_num.
9698 (evaluate_equiv_classes): Call cache_presence on all states and
9701 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9703 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9704 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9705 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9706 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9708 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9709 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9710 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9711 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9712 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9714 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9715 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9716 (REGNO_REG_CLASS): ARGP is in PREGS.
9717 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9719 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9720 to deal with those addresses.
9721 * addresses.h: New file.
9722 * caller-save.c: Include "addresses.h".
9723 (init_caller_save): Use new base_reg_class function.
9724 * rtl-factoring.c: Include "addresses.h".
9725 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9726 * recog.c: Include "addresses.h".
9727 (preprocess_constraints): Use new base_reg_class function.
9728 * regrename.c: Include "addresses.h".
9729 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9730 functions. Keep track of a new var INDEX_CODE to compute valid
9732 (replace_oldest_value_addr): Likewise.
9733 (replace_oldest_value_mem): Use base_reg_class.
9734 * reload.c: Include "addresses.h".
9735 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9736 (find_reloads): Use new base_reg_class function.
9737 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9738 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9739 all callers and prototype changed.
9740 * reload1.c: Include "addresses.h".
9741 (maybe_fix_stack_asms): Use base_reg_class.
9742 * regclass.c: Include "addresses.h".
9743 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9744 (init_reg_autoinc): Use new base_reg_class function.
9745 (record_reg_classes): Likewise.
9746 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9747 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9748 Use new args to compute necessary class.
9750 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9751 regrename.o, rtl-factoring.o): Update dependencies.
9752 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9753 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9754 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9755 REG_OK_FOR_INDEX_P): Delete documentation.
9757 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9759 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9760 from V7 to V9 for Solaris 7 and above.
9762 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9764 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9765 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9766 argument pointers may not alias any other storage.
9767 * common.opt: Define option -fargument-noalias-anything.
9768 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9769 alias semantics is specified by flag_argument_noalias > 2.
9771 2006-03-20 Jeff Law <law@redhat.com>
9773 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9774 (pass_phi_only_cprop): Declare.
9775 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9777 * tree-ssa-dom.c (degenerate_phi_result): New function.
9778 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9779 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9780 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9781 (eliminate_degenerate_phis): Likewise.
9782 (pass_phi_only_cprop): New pass descriptor.
9783 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9784 support code. Callers updated.
9785 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9786 (store_copy_prop): Likewise.
9787 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9789 2006-03-20 Jason Merrill <jason@redhat.com>
9792 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9793 (push_visibility, pop_visibility): Likewise.
9794 * c-pragma.h: Declare them.
9796 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9798 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9800 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9801 parameter and use get_ebb_head_tail.
9802 (sh_md_init_global): Adjust uses of find_regmode_weight.
9804 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9806 * function.h (struct function) <x_tail_recursion_reentry>:
9807 Rename to x_stack_check_probe_note.
9808 (tail_recursion_reentry): Rename to stack_check_probe_note.
9809 * function.c: Replace tail_recursion_reentry with
9810 stack_check_probe_note everywhere.
9811 (expand_function_start): Only emit a note for
9812 stack_check_probe_note with -fstack-protect.
9813 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9815 * emit-rtl.c (remove_unnecessary_notes): Remove.
9816 (pass_remove_unnecessary_notes): Remove.
9817 * rtl.h (remove_unnecessary_notes): Remove prototype.
9818 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9819 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9820 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9822 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9825 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9826 (valid_in_set): Handle ARRAY_REF.
9827 Change "if min_variant or VH" to asserts.
9828 (create_component_ref_by_pieces): Handle ARRAY_REF.
9829 (create_expression_by_pieces): Likewise.
9830 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9832 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9834 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9835 is operand of switch, not str[0].
9837 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9839 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9840 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9842 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9844 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9845 end of insn_extra_address_constraint declaration.
9847 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9849 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9850 (no-sum-in-toc): Same.
9851 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9853 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9854 NO_FP_IN_TOC for -fPIC instead of mask.
9856 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9857 (BOOT_LDFLAGS): Delete.
9859 * config/rs6000/t-aix52: Same.
9861 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9862 (stmsi[345678]_power): New.
9864 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9866 * config/ia64/ia64.opt: Add empty line to end of file.
9868 2006-03-17 Richard Guenther <rguenther@suse.de>
9871 * builtins.c (get_pointer_alignment): For component style references
9872 adjust alignment to the component type alignment. Make sure
9873 to adjust alignment for component access of constants.
9875 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9877 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9880 2006-03-17 Paul Brook <paul@codesourcery.com>
9882 * doc/install.texi: Docuemnt --with-mode.
9883 * config.gcc: Add --with-mode for arm*-*-*.
9884 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9886 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9888 * sh.c (max_labelno_before_reorg): New variable.
9889 (sh_reorg): Initialize it.
9890 (find_barrier): Check max_labelno_before_reorg before using
9891 label_to_alignment. Take length of explicit alignment insns
9892 into account. When seeing a UNSPECV_CONST_END, return it.
9894 * sh.c (fixup_mova): Set mode of affected label to QImode.
9895 (untangle_mova): New function.
9896 (find_barrier): Use it. Check mode of label before decrementing
9898 (sh_reorg): Likewise.
9899 Set mode of all insns back to VOIDmode.
9901 * sh.c (MOVA_LABELREF): New macro.
9902 (mova_p, fixup_mova, sh_reorg): Use it.
9903 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9904 ADDR_DIFF_VEC matches mova.
9906 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9908 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9909 with ATTRIBUTE_UNUSED.
9911 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9913 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9914 pointer, instead of assuming it is possible to derive the
9915 correct args size from a call insn.
9917 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9919 * rtl.h (CONST_INT_P): Define.
9920 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9921 instead of GET_CODE(x) == CONST_INT.
9922 (vax_rtx_costs): Likewise.
9923 (vax_output_int_move): Likewise.
9924 (vax_output_int_add): Likewise.
9925 (legitimate_constant_address_p): Likewise.
9926 (index_term_p): Likewise.
9927 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9928 * config/vax/vax.md (and<mode>3): Likewise.
9929 (ashrsi3): Likewise.
9931 (movstricthi): Likewise.
9932 (movstrictqi): Likewise.
9933 (rotrsi3): Likewise.
9934 (five unnamed insns): Likewise.
9936 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9938 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9939 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9940 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9941 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9942 Pass to ASM_OUTPUT_DWARF_OFFSET.
9943 * dwarf2out.c (debug_frame_section): New.
9944 (output_call_frame_info): Use debug_frame_section. Pass it to
9945 dw2_asm_output_offset.
9946 (output_die): Pass appropriate section to dw2_asm_output_offset.
9947 (output_compilation_unit_header): Likewise.
9948 (output_pubnames): Likewise.
9949 (output_aranges): Likewise.
9950 (enum dw_val_class): Break dw_val_class_lbl_offset into
9951 dw_val_class_lineptr and dw_val_class_macptr.
9952 (add_AT_lbl_offset): Delete.
9953 (add_AT_lineptr): New.
9954 (add_AT_macptr): New.
9955 (AT_lbl): Expect a lineptr or macptr.
9956 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9957 (attr_checksum): Likewise.
9958 (same_dw_val_p): Likewise.
9959 (size_of_die): Likewise.
9960 (value_format): Likewise.
9961 (output_die): Likewise.
9962 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9964 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9965 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9966 * config/darwin-protos.h (darwin_file_start): New.
9967 (darwin_asm_output_dwarf_offset): New.
9968 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9969 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9971 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9972 if not EH section; simplify.
9973 (darwin_file_start): New.
9974 (darwin_asm_output_dwarf_offset): New.
9975 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9977 (DEBUG_INFO_SECTION): Likewise.
9978 (DEBUG_ABBREV_SECTION): Likewise.
9979 (DEBUG_ARANGES_SECTION): Likewise.
9980 (DEBUG_MACINFO_SECTION): Likewise.
9981 (DEBUG_LINE_SECTION): Likewise.
9982 (DEBUG_LOC_SECTION): Likewise.
9983 (DEBUG_PUBNAMES_SECTION): Likewise.
9984 (DEBUG_STR_SECTION): Likewise.
9985 (DEBUG_RANGES_SECTION): Likewise.
9986 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9987 (ASM_OUTPUT_DWARF_OFFSET): New.
9989 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9991 * config.gcc (tm_defines): Always add to previous value rather
9994 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9996 * config/mips/predicates.md (splittable_const_int_operand): New,
9997 split from move_operand.
9998 (splittable_symbolic_operand): New.
9999 (move_operand): Add commentary. Use splittable_const_int_operand.
10000 Inline mips_atomic_symbolic_constant_p.
10001 * config/mips/mips.md: Add combine splitters for handling moves
10002 of splittable_const_int_operands and splittable_symbolic_operands.
10003 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10004 (mips_split_symbol): Declare.
10005 (mips_move_integer): Declare.
10006 * config/mips/mips.c (mips_split_p): Make global.
10007 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10008 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10009 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10010 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10011 (mips_offset_within_object_p): Handle block symbols.
10012 (mips_atomic_symbolic_constant_p): Delete.
10013 (mips_cannot_force_const_mem): Return false for constants that
10014 mips_legitimize_move can handle.
10015 (mips_use_blocks_for_constant_p): New function.
10016 (mips_split_symbol): Make global.
10017 (mips_move_integer): Likewise. Add a temporary register argument.
10018 (mips_legitimize_const_move): Use splittable_const_int_operand and
10019 splittable_symbolic_operand.
10020 (mips_use_anchors_for_symbol_p): New function.
10021 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10022 (mips_split_p): Declare.
10024 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10026 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10027 (mips*-*-linux*): Likewise.
10029 2006-03-16 Roger Sayle <roger@eyesopen.com>
10030 Daniel Speyer <dspeyer@wam.umd.edu>
10032 PR middle-end/18259
10033 * tree-dump.c (dump_real): New function.
10034 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10035 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10036 (tree-dump.o): Add $(REAL_H) to the dependencies.
10038 2006-03-16 Roger Sayle <roger@eyesopen.com>
10040 PR middle-end/21781
10041 * real.c (real_from_string): If the mantissa is zero, don't bother
10042 parsing the exponent as the result should always be zero.
10044 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10046 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10048 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10050 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10051 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10052 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10053 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10054 ia64_sched_finish_global): New static functions to implement
10055 hooks from gcc_target.sched.
10056 (spec_check_no, max_uid, pending_data_specs): New static variables.
10057 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10058 ia64_spec_check_src_p): New static functions.
10059 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10060 (TARGET_SCHED_ADJUST_COST): Removed.
10061 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10062 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10063 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10064 TARGET_SCHED_GEN_CHECK,
10065 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10066 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10067 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10068 Fixed to handle speculation checks.
10069 (rtx_needs_barrier): Fixed to handle speculative loads and
10071 (ia64_variable_issue): Added code to count speculative loads and their
10073 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10075 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10077 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10079 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10080 (ia64_reorg): Reset stops_p to NULL after it is freed.
10081 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10082 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10083 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10085 (data_speculative, control_speculative, check_load): New attributes.
10086 (mov<mode>_advanced, mov<mode>_speculative,
10087 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10088 zero_extend<mode>di2_speculative,
10089 zero_extend<mode>di2_speculative_advanced): New patterns for
10090 data and control speculative loads.
10091 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10093 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10094 New pattern for data and control speculation checks.
10095 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10096 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10097 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10098 Auxiliary definitions for the patterns.
10099 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10100 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10102 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10104 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10105 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10106 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10107 New resource constraints.
10108 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10110 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10111 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10112 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10113 msched-in-control-spec, msched-ldc, msched-control-ldc,
10114 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10115 msched-prefer-non-control-spec-insns,
10116 msched-count-spec-in-critical-path): New flags to tune speculative
10118 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10119 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10120 msched-in-control-spec, msched-ldc, msched-control-ldc,
10121 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10122 msched-prefer-non-control-spec-insns,
10123 msched-count-spec-in-critical-path): Document new flags.
10125 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10127 * target.h (struct spec_info_def): New opaque declaration.
10128 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10129 speculate_insn, needs_block_p, gen_check,
10130 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10131 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10132 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10133 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10134 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10135 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10137 (TARGET_SCHED): Use new macros.
10138 * rtl.h (copy_DEPS_LIST_list): New prototype.
10139 * sched-int.h (struct sched_info): Change signature of new_ready field,
10140 adjust all initializations. New fields: add_remove_insn,
10141 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10142 region_head_or_leaf_p.
10143 (struct spec_info_def): New structure declaration.
10144 (spec_info_t): New typedef.
10145 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10146 recovery_block, orig_pat.
10147 (glat_start, glat_end): New variables declaraions.
10148 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10150 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10151 DETACH_LIFE_INFO, USE_GLAT.
10152 (enum SPEC_SCHED_FLAGS): New enumeration.
10153 (NOTE_NOTE_BB_P): New macro.
10154 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10155 attach_life_info, debug_spec_status, check_reg_live): New functions.
10156 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10157 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10159 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10160 * ddg.c (get_block_head_tail): Adjust all uses.
10161 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10162 (sms_sched_info): Initialize new fields.
10163 (contributes_to_priority): Removed.
10164 * haifa-sched.c (params.h): New include.
10165 (get_block_head_tail): Adjust all uses.
10166 (ISSUE_POINTS): New macro.
10167 (glat_start, glat_end): New global variables.
10168 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10169 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10170 old_last_basic_block, before_recovery, current_sched_info_var,
10171 rgn_n_insns, luid): New static variables.
10172 (insn_cost1): New function. Move logic from insn_cost to here.
10173 (find_insn_reg_weight1): New function. Move logic from
10174 find_insn_reg_weight to here.
10175 (reemit_notes, move_insn, max_issue): Change signature.
10176 (move_insn1): Removed.
10177 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10178 extend_bb): New static functions to support extension of scheduler's
10180 (generate_recovery_code, process_insn_depend_be_in_spec,
10181 begin_speculative_block, add_to_speculative_block,
10182 init_before_recovery, create_recovery_block, create_check_block_twin,
10183 fix_recovery_deps): New static functions to support
10184 generation of recovery code.
10185 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10186 restore_bb_notes, move_block_after_check, move_succs): New static
10187 functions to support ebb scheduling.
10188 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10189 functions to support handling of register live information.
10190 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10191 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10192 add_jump_dependencies): New static functions.
10193 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10194 consistancy checking.
10195 (debug_spec_status): New function to call from debugger.
10196 (priority): Added code to handle speculation checks.
10197 (rank_for_schedule): Added code to distinguish speculative instructions.
10198 (schedule_insn): Added code to handle speculation checks.
10199 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10200 Fixed to handle ebbs.
10201 (move_insn): Added code to handle ebb scheduling.
10202 (max_issue): Added code to use ISSUE_POINTS of instructions.
10203 (choose_ready): Added code to choose between speculative and
10204 non-speculative instructions.
10205 (schedule_block): Added code to handle ebb scheduling and scheduling of
10206 speculative instructions.
10207 (sched_init): Initialize new variables.
10208 (sched_finish): Free new variables. Print statistics.
10209 (try_ready): Added code to handle speculative instructions.
10210 * lists.c (copy_DEPS_LIST_list): New function.
10211 * sched-deps.c (extend_dependency_caches): New function. Move logic
10212 from create_dependency_caches to here.
10213 (get_dep_weak, ds_merge): Make global.
10214 * genattr.c (main): Code to output prototype for
10215 dfa_clear_single_insn_cache.
10216 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10217 (output_dfa_clean_insn_cache_func): Code to output
10218 dfa_clear_single_insn_cache function.
10219 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10221 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10223 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10224 New static variables.
10225 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10226 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10228 (ebb_sched_info): Initialize new fields.
10229 (get_block_head_tail): Adjust all uses.
10230 (compute_jump_reg_dependencies): Fixed to use glat_start.
10231 (schedule_ebb): Code to remove unreachable last block.
10232 (schedule_ebbs): Added code to update register live information.
10233 * sched-rgn.c (region_sched_info): Initialize new fields.
10234 (get_block_head_tail): Adjust all uses.
10235 (last_was_jump): Removed. Adjust users.
10236 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10237 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10238 Implement new hooks.
10239 (check_dead_notes1): New static function.
10240 (struct region): New fields: dont_calc_deps, has_real_ebb.
10241 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10242 (BB_TO_BLOCK): Fixed to handle EBBs.
10243 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10244 (ebb_head): New static variable.
10245 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10246 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10248 (compute_dom_prob_ps): New assertion.
10249 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10250 global_live_at_start.
10251 (init_ready_list): New assertions.
10252 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10253 (new_ready): Add support for BEGIN_CONTROL speculation.
10254 (schedule_insns): Fixed code that updates register live information
10256 (schedule_region): Fixed to handle EBBs.
10257 (init_regions): Use extend_regions and check_dead_notes1.
10258 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10259 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10260 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10261 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10262 TARGET_SCHED_GEN_CHECK,
10263 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10264 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10265 * doc/invoke.texi (max-sched-insn-conflict-delay,
10266 sched-spec-prob-cutoff): Document.
10268 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10270 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10271 inter_tick, queue_index.
10272 (struct sched_info): Change signature of init_ready_list field.
10273 Adjust all initializations.
10274 (RESOLVED_DEPS): New access macro.
10275 (ready_add): Remove prototype.
10276 (try_ready): Add prototype.
10277 * sched-rgn.c (init_ready_list): Use try_ready.
10278 (schedule_region): Initialize
10279 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10280 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10281 (init_ready_list): Use try_ready.
10282 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10283 * lists.c (remove_list_elem): Remove `static'.
10284 (remove_free_INSN_LIST_elem): New function.
10285 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10286 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10287 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10289 (readyp): New variable.
10290 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10291 change_queue_index, resolve_dep): New static functions.
10292 (try_ready): New function. Adjust callers in sched-rgn.c and
10293 sched-ebb.c to use it instead of ready_add.
10294 (clock_var): Move at the begining of file.
10295 (rank_for_schedule): Fix typo.
10296 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10297 (ready_lastpos): Enforce assertion.
10298 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10299 update all callers.
10300 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10301 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10302 (queue_to_ready): Use free_INSN_LIST_list.
10303 (early_queue_to_ready): Fix typo.
10304 (schedule_block): Init readyp. Move init_ready_list call after the
10305 initialization of clock_var. Fix error in rejecting insn by
10306 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10307 that previously corrected INSN_TICKs. Add code for handling
10309 (set_priorities): Fix typo.
10310 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10311 Clarify comment and code that keeps current_sched_info->next_tail
10314 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10316 * sched-rgn.c (extend_rgns): New static function.
10317 (find_rgns): Use it.
10318 (gather_region_statistics, print_region_statistics): New static
10320 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10321 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10323 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10324 Andrey Belevantsev <abel@ispras.ru>
10326 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10327 * lists.c (unused_deps_list): New variable.
10328 (free_list): Add assertions to verify the proper distinguishing
10329 between INSN_LISTs and DEPS_LISTs.
10330 (find_list_elem, remove_list_elem, remove_list_node): New static
10332 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10333 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10334 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10335 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10337 (free_INSN_LIST_node): Likewise.
10338 * modulo-sched.c (current_sched_info): Initialize flags field.
10339 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10340 * rtl.def (DEPS_LIST): Define.
10341 * rtl.h: Declare new functions from lists.c.
10342 * sched-deps.c (spec_dependency_cache): New static variable.
10343 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10344 (add_dependence): Change return type to void. Move the logic to ...
10345 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10346 (delete_all_dependences): Add comment about forward_dependency_cache.
10347 Handle spec_dependency_cache. Handle DEPS_LISTs.
10348 (fixup_sched_groups): Clarify the change of priority of output
10349 and anti dependencies.
10350 (sched_analyze_2): Adjust add_dependence calls to create data
10351 speculative dependence.
10352 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10353 Adjust all callers. Handle DEPS_LISTS.
10354 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10355 presence of speculation.
10356 (init_dependency_caches, free_dependency_caches):
10357 Handle spec_dependency_cache.
10358 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10359 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10360 New static functions.
10361 (add_or_update_back_dep, add_or_update_back_forw_dep,
10362 add_back_forw_dep, delete_back_forw_dep): New functions.
10363 * sched-int.h (ds_t, dw_t): New typedefs.
10364 (struct sched_info): Add new field flags.
10365 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10366 Prototype new sched-deps.c functions.
10367 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10368 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10369 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10370 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10371 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10372 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10374 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10376 * sched-rgn.c (current_sched_info): Initialize flags field.
10377 (schedule_insns): Initialize current_sched_info before the sched_init
10379 * sched-ebb.c (current_sched_info): Initialize flags field.
10380 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10381 Call add_or_update_back_dep instead of add_dependence.
10382 Create control speculative dependencies.
10383 (schedule_insns): Initialize current_sched_info before the sched_init
10386 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10388 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10390 (sh_fallback_frame_state): Likewise.
10392 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10394 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10395 Do switch on default_use_cxa_atexit.
10396 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10397 * config/darwin-crt3.o: New.
10398 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10399 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10400 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10402 * config/rs6000/t-darwin: Move crt2.o building to here.
10403 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10404 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10407 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10409 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10410 from '! xxx' to '!xxx' for coding-style conformance.
10411 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10412 (EXTRA_CONSTRAINT): Likewise.
10413 * config/vax/vax.md (four unnamed insns): Likewise.
10415 2006-03-15 Paul Brook <paul@codesourcery.com>
10417 * config/arm/arm.c (minipool_pad): New.
10418 (add_minipool_forward_ref): Include pool alignment padding in address
10420 (push_minipool_fix): Set minipool_pad.
10421 (minipool_pad): Ditto.
10423 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10425 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10426 instead of GET_CODE() == MEM and REG_P() instead of
10428 (print_operand_address): Likewise.
10429 (vax_address_cost): Likewise.
10430 (vax_rtx_costs): Likewise.
10431 (vax_notice_update_cc): Likewise.
10432 (vax_output_int_add): Likewise.
10433 (INDEX_REGISTER_P): Likewise.
10434 (BASE_REGISTER_P): Likewise.
10435 (nonindexed_address_p): Likewise.
10436 (vax_mode_dependent_address_p): Likewise.
10437 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10438 (PRINT_OPERAND): Likewise.
10439 * config/vax/vax.md (ashlsi3): Likewise.
10440 (ashlsi3): Likewise.
10441 (some more unnamed insns): Likewise.
10443 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10445 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10446 iterator-style macro.
10447 (mark_control_dependent_edges_necessary): Update the use of
10448 EXECUTE_IF_CONTROL_DEPENDENT.
10450 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10452 * config/sh/predicates.md (cache_address_operand): Special.
10453 (ua_address_operand): Likewise.
10455 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10457 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10459 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10461 2006-03-15 Andreas Schwab <schwab@suse.de>
10463 * gensupport.c (identify_predicable_attribute): Don't free p_false
10464 when it is still in use.
10466 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10468 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10469 the default setting here.
10471 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10473 * tree-pass.h (pass_cfg): Remove.
10474 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10475 * passes.c (pass_cfg): Don't run it.
10477 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10479 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10480 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10482 (stack_regs_mentioned): Update the uses of
10483 stack_regs_mentioned_data. Don't access the array beyond its
10485 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10486 Don't include gt-reg-stack.h.
10488 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10489 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10491 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10493 PR middle-end/26684
10494 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10497 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10499 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10501 2006-03-14 Richard Guenther <rguenther@suse.de>
10503 PR tree-optimization/26672
10504 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10507 2006-03-14 Richard Guenther <rguenther@suse.de>
10509 PR tree-optimization/26667
10510 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10511 node for the callees. Always allow inlining if it will shrink
10514 2006-03-14 Richard Guenther <rguenther@suse.de>
10516 PR middle-end/26659
10517 * builtins.c (get_pointer_alignment): Prefer alignment
10518 information from decls over that from types.
10520 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10523 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10525 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10527 * config/rs6000/rs6000.opt (mdlmzb): New option.
10528 (msched-prolog, msched-epilog): Use Var not Mask.
10529 * doc/invoke.texi (-mdlmzb): Document.
10530 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10532 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10533 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10535 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10537 PR rtl-optimization/25739
10538 * bt-load.c (augment_live_range): Free tos pointer.
10540 * gensupport.c (identify_predicable_attribute): Free
10542 * gcov.c (create_file_names): Free name pointer.
10544 2006-03-13 Roger Sayle <roger@eyesopen.com>
10546 PR middle-end/26557
10547 * stmt.c (emit_case_nodes): Handle the case where the index is a
10548 CONST_INT, where the comparison mode is specified by the index type.
10550 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10552 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10555 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10557 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10558 (*branch_fp_inverted): Likewise.
10560 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10562 PR middle-end/25989
10563 * omp-low.c (expand_omp_for_generic): Mark istart0
10564 and iend0 as addressable.
10566 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10568 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10570 2006-03-13 Jeff Law <law@redhat.com>
10572 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10573 virtual operands are interesting.
10574 (vrp_visit_stmt): Corresponding changes.
10576 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10578 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10580 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10581 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10582 * config/bfin/crti.S: Use it instead of __PIC__.
10583 * config/bfin/crtn.S: Likewise.
10585 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10586 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10588 Lose 'G' modifier for call operand.
10589 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10590 recognize 'G' modifier.
10592 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10594 PR middle-end/18859
10595 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10596 * stmt.c (expand_case): Likewise.
10598 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10600 PR rtl-optimization/26254
10601 * loop-invariant.c (seq_insns_valid_p): New function.
10602 (move_invariant_reg): Only emit new code if it is valid.
10604 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10606 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10608 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10609 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10610 (commit_one_edge_insertion): Do not look for loop notes.
10612 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10614 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10615 flag_test_coverage out of loop.
10617 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10619 * final.c (shorten_branches): Remove outdated comment, and turn
10620 the if branch that guards it to continue.
10622 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10624 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10625 * cfgloop.h (struct loop): Remove unused fields.
10627 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10629 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10630 (-dL, -fdump-rtl-loop2): Update the dump file names
10632 * doc/invoke.texi: Update dump file names.
10634 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10636 * predict.c (estimate_probability): Remove.
10637 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10638 * basic-block.h (estimate_probability): Remove prototype.
10639 * passes.c (finish_optimization_passes): Dump branch prediction or
10640 profiling heuristics to the .profile tree dump.
10641 (init_optimization_passes): Unqueue pass_branch_prob.
10643 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10645 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10647 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10648 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10650 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10652 * function.h (frame_offset_overflow): Declare.
10653 * function.c (frame_offset_overflow): New function.
10654 (assign_stack_local_1): Call it to detect that the offset overflows.
10655 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10657 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10659 * config/sh/sh.c: Include alloc-pool.h.
10660 (label_ref_list_pool): New alloc pool.
10661 (label_ref_list_t): New type for lists of labels.
10662 (struct pool_node): Make wend a label_ref_list_t.
10663 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10665 (dump_table): Likewise.
10666 (sh_reorg): Set up the alloc pool before using add_constant and
10667 dump_table, and destroy it when finishing.
10669 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10671 * config/mips/mips.c: Remove redundant comment.
10673 2006-03-10 Jason Merrill <jason@redhat.com>
10676 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10677 the target was declared 'register'.
10679 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10681 * genpreds.c (write_insn_constraint_len): Change definition of
10682 insn_constraint_len to return size_t to match the declaration.
10684 2006-03-10 DJ Delorie <dj@redhat.com>
10686 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10688 (m32c_expand_insv): Fix test for an AND mask.
10690 2006-03-10 Richard Guenther <rguenther@suse.de>
10692 PR middle-end/26565
10693 * builtins.c (get_pointer_alignment): Handle component
10694 references for field alignment.
10696 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10698 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10699 when building with libgloss.
10700 (sh*elf): Implement --without-fp option.
10701 (sh64-superh-linux*): Don't multilib.
10703 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10705 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10707 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10709 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10710 Set it when one of the replacement functions returned true.
10711 Return TODO_cleanup_cfg if cfgchanged is true.
10712 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10714 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10716 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10717 instead of gen_lowpart.
10719 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10721 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10723 (mips_output_order_conditional_branch): Declare.
10724 * config/mips/mips.h (MIPS_BRANCH): New macro.
10725 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10726 for the comparison. Use gen_condjump.
10727 (mips_output_conditional_branch): Rework interface to take the
10728 asm templates for a direct branch and the inverse of a direct branch.
10729 (mips_output_order_conditional_branch): New function.
10730 (mips_builtin_branch_and_move): New function.
10731 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10732 branch condition. Use gen_single_cc as the condition for
10733 __builtin_mips_upper_* or __builtin_mips_lower_*.
10734 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10735 Use VOIDmode for the branch condition.
10736 * config/mips/predicates.md (order_operator): New predicate.
10737 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10738 (branch_fp): Rename to...
10739 (*branch_fp): ...this. Remove mode from comparison operator.
10740 Use new mips_output_conditional_branch interface.
10741 (branch_fp_inverted): Rename to...
10742 (*branch_fp_inverted): ...this and update as for *branch_fp.
10743 (*branch_zero<mode>): Rename to...
10744 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10745 Use mips_output_order_conditional_branch. Only accept ordered
10747 (*branch_zero<mode>_inverted): Rename to...
10748 (*branch_order<mode>_inverted): ...this and update as for
10749 *branch_order<mode>.
10750 (*branch_equality<mode>): Accept zero as the second operand to
10751 the equality operator. Use the new mips_output_conditional_branch
10753 (*branch_equality<mode>_inverted): Likewise.
10754 (condjump): New expander.
10755 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10757 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10758 (bc1any2t, bc1any2f): Likewise.
10759 (single_cc): New expander.
10760 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10762 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10764 * doc/md.texi: Update documentation of MIPS constraints.
10765 * config/mips/constraints.md: New file.
10766 * config/mips/mips.md: Include it.
10767 * config/mips/mips.c (mips_char_to_class): Delete.
10768 (override_options): Don't initialize mips_char_to_class.
10769 * config/mips/mips.h (mips_char_to_class): Delete.
10770 (REG_CLASS_FROM_LETTER): Delete.
10771 (CONST_OK_FOR_LETTER_P): Delete.
10772 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10773 (EXTRA_CONSTRAINT_Y): Delete.
10774 (EXTRA_CONSTRAINT_STR): Delete.
10775 (CONSTRAINT_LEN): Delete.
10776 (EXTRA_MEMORY_CONSTRAINT): Delete.
10778 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10780 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10781 original fn's eh regions.
10783 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10785 * fold-const.c (build_range_check): Make sure to use a valid type to
10786 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10789 (range_predecessor): New static function.
10790 (range_successor): Likewise.
10791 (merge_ranges): Use them to compute predecessors and successors of
10794 2006-03-09 Roger Sayle <roger@eyesopen.com>
10796 PR middle-end/26561
10797 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10798 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10800 2006-03-08 DJ Delorie <dj@redhat.com>
10802 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10803 (addpsi3): Expand to include memory operands. Remove
10804 reload-specific splits.
10805 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10806 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10807 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10808 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10809 (shift1_qi, shift1_hi, insv): New.
10810 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10811 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10812 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10814 * config/m32c/m32c-protos.h: Update as needed.
10815 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10816 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10817 Fail for unrecognized R* constraints.
10818 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10819 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10820 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10822 (m32c_init_libfuncs): New.
10823 (m32c_legitimate_address_p): Add debug wrapper.
10824 (m32c_rtx_costs): New.
10825 (m32c_address_cost): New.
10826 (conversions): Add 'B' prefix.
10827 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10828 operands, or word regnames for QI operands. 'B' prints bit
10830 (m32c_expand_setmemhi): New.
10831 (m32c_expand_movmemhi): New.
10832 (m32c_expand_movstr): New.
10833 (m32c_expand_cmpstr): New.
10834 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10835 (m32c_expand_neg_mulpsi3): Handle non-ints.
10836 (m32c_cmp_flg_0): New.
10837 (m32c_expand_movcc): New.
10838 (m32c_expand_insv): New.
10839 (m32c_scc_pattern): New.
10840 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10841 a0/a1 out of SIregs.
10842 (STORE_FLAG_VALUE): New.
10843 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10846 * config/m32c/mov.md: Make constraints more liberal.
10847 (zero_extendqihi2): Optimize r0/r1 case.
10848 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10849 * config/m32c/predicates.md (m32c_any_operand): New.
10850 (m32c_nonimmediate_operand): New.
10851 (m32c_hl_operand): New.
10852 (m32c_r3_operand): New.
10855 (memsym_operand): New.
10856 (memimmed_operand): New.
10857 (a_qi_operand): New.
10858 (m32c_eqne_operator): New.
10859 (m32c_1bit8_operand): New.
10860 (m32c_1bit16_operand): New.
10861 (m32c_1mask8_operand): New.
10862 (m32c_1mask16_operand): New.
10863 * config/m32c/blkmov.md: New file.
10864 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10866 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10868 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10869 unsigned to fix signed/unsigned comparison issue in
10870 DWARF2_FRAME_REG_OUT.
10871 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10872 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10874 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10875 of ptr into the ENABLE_CHECKING section.
10877 2006-03-08 Jeff Law <law@redhat.com>
10879 * tree-vrp.c (infer_value_range): Only count pointer uses
10880 and dereferences if -fdelete-null-pointer-checks is enabled.
10882 * tree-vrp.c (find_assert_locations): Infer value ranges for
10883 single use pointers, but do not create ASSERT_EXPRs for them.
10884 When a non-null range is inferred for a pointer, backwards
10885 propagate that range to other equivalent pointers through the
10888 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10891 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10892 language hook targets.
10893 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10894 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10895 if language hook targets were missing.
10897 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10899 * tree-ssa-opfinalize.h: Removed.
10900 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10902 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10903 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10904 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10905 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10906 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10907 finalize_ssa_v_must_def_ops): New.
10909 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10911 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10912 block as parameter.
10914 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10916 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10918 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10919 addresses with offsets; reorganize.
10921 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10922 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10923 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10925 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10928 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10930 2006-03-08 Ben Elliston <bje@au.ibm.com>
10932 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10934 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10937 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10940 2006-03-07 Richard Guenther <rguenther@suse.de>
10942 PR tree-optimization/26587
10943 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10945 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10947 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10949 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10951 * hooks.c (hook_bool_mode_rtx_true): New function.
10952 * hooks.h (hook_bool_mode_rtx_true): Declare.
10953 * toplev.c (compile_file): Call output_shared_constant_pool.
10954 * varasm.c (shared_constant_pool): New variable.
10955 (assemble_start_function, assemble_end_function): Remove arguments
10956 from call to output_constant_pool.
10957 (create_constant_pool): New function, split out from...
10958 (init_varasm_status): ...here.
10959 (force_const_mem): Choose between the shared and per-function constant
10960 pools. Set current_function_uses_const_pool when reusing old entries
10961 as well as when creating new ones.
10962 (mark_constant): Ignore data argument.
10963 (mark_constants): Remove pool argument.
10964 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10965 to decide whether the function uses a constant pool.
10966 (output_constant_pool_contents): New function, split out from...
10967 (output_constant_pool): ...here.
10968 (output_shared_constant_pool): New function.
10969 (init_varasm_once): Initialize shared_constant_pool.
10970 * output.h (output_constant_pool): Delete.
10971 (output_shared_constant_pool): Declare.
10972 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10973 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10975 2006-03-06 Nick Clifton <nickc@redhat.com>
10977 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10978 flag_strength_reduce.
10980 2006-03-06 Ben Elliston <bje@au.ibm.com>
10982 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10983 x86_64-*-linux* configurations.
10985 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10986 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10988 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10990 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10992 * basic-block.h: Remove the extern for
10993 rediscover_loops_after_threading.
10995 * cfgloop.c (cancel_loop): Make it static.
10996 * cfgloop.h: Remove the prototype for cancel_loop.
10998 * flow.c (recompute_reg_usage): Make it static.
10999 * rtl.h: Remove the prototype for recompute_reg_usage.
11001 * function.c (use_return_register): Make it static.
11002 * function.h: Remove the prototype.
11004 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11006 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11008 * recog.h: Remove the prototype for
11009 validate_change_maybe_volatile.
11011 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11013 * rtlanal.c (replace_reg): Remove.
11014 * rtl.h: Remove the prototype for replace_reg.
11016 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11018 * regclass.c (reg_scan_update): Remove.
11019 (reg_scan_mark_refs): Remove the last argument.
11020 * rtl.h: Remove the prototype for reg_scan_update.
11022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11024 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11025 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11026 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11027 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11028 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11029 loop-invariant.c, omp-low.c, opts.c, passes.c,
11030 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11031 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11032 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11033 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11034 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11035 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11037 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11039 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11040 * dwarf2out.h: Remove the prototype for
11041 dwarf2out_add_library_unit_info.
11043 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11045 * tree.c (add_var_to_bind_expr): Remove.
11046 * tree.h: Remove the prototype for add_var_to_bind_expr.
11048 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11050 * regclass.c (n_non_fixed_regs): Remove.
11051 (init_reg_sets_1, globalize_reg): Remove all uses of
11053 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11055 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11057 * rtlanal.c (insns_safe_to_move_p): Remove.
11058 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11060 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11062 * expmed.c (expand_mult_add): Remove.
11063 * expr.h: Remove the prototype for expand_mult_add.
11065 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11067 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11068 and REG_SAVED_VAL_EXP constants.
11069 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11070 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11071 Handle regs stored by value.
11072 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11073 (execute_cfa_program): Handle DW_CFA_val_offset,
11074 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11075 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11076 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11077 (uw_install_context_1): Handle target regs stored by value.
11079 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11081 * tree-sra.c (tree_sra): Return todoflags;
11082 (generate_one_element): Set TODO_update_smt_usage if needed.
11083 (pass_sra): Remove TODO_update_smt_usage.
11084 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11086 (tree_ssa_forward_propagate_single_use_vars): Return
11087 TODO_update_smt_usage if we need to update SMT usage.
11088 (pass_forwprop): Remove TODO_update_smt_usage.
11090 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11092 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11093 (correct_use_link): Remove reference to get_stmt_operands.
11094 (update_stmt_operands): Likewise.
11095 (get_modify_expr_operands): New function factored out of
11096 parse_ssa_operands and get_expr_operands.
11097 Try to create V_MUST_DEFs for LHS by default.
11098 (get_expr_operands) <case MODIFY_EXPR>: Call
11099 get_modify_expr_operands.
11100 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11101 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11102 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11103 get_modify_expr_operands.
11105 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11107 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11108 * tree-flow.h: Remove the prototype for
11109 referenced_var_lookup_if_exists.
11111 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11113 PR rtl-optimization/26345
11115 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11117 2006-03-03 Roger Sayle <roger@eyesopen.com>
11119 PR tree-optimization/26524
11120 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11121 fold_convert to create a constant of the appropriate type.
11123 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11125 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11126 SYMBOL_REF_IN_BLOCK_P.
11127 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11128 of SYMBOL_FLAG_IN_BLOCK.
11129 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11130 instead of SYMBOL_REF_IN_BLOCK_P.
11131 * explow.c (use_anchored_address): Likewise.
11132 * rtl.c (rtx_size): Likewise.
11133 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11134 instead of SYMBOL_FLAG_IN_BLOCK.
11135 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11136 SYMBOL_REF_IN_BLOCK_P.
11137 (assemble_variable): Likewise.
11138 (output_constant_def_contents): Likewise.
11139 (output_constant_pool): Likewise.
11140 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11141 instead of SYMBOL_FLAG_IN_BLOCK.
11142 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11143 SYMBOL_REF_IN_BLOCK_P.
11144 (SYMBOL_REF_BLOCK): Likewise.
11145 (SYMBOL_REF_OFFSET): Likewise.
11146 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11147 SYMBOL_REF_IN_BLOCK_P.
11148 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11149 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11150 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11151 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11153 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11155 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11157 2006-03-02 Roger Sayle <roger@eyesopen.com>
11159 * simplify-rtx.c (simplify_unary_operation): When simplifying
11160 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11161 that we perform the right shift in the appropriate mode, and
11162 then extend or truncate the result to requested mode.
11164 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11166 * gengtype.c (main): Handle double_int type.
11167 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11168 * double-int.c: New file.
11169 * double-int.h: New file.
11170 * system.h: Include doubleint.h.
11171 * Makefile.in (SYSTEM_H): Include double-int.h.
11172 (double-int.o): Add.
11174 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11177 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11180 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11182 * tree-vrp.c (remove_range_assertions): Do not update statements
11185 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11187 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11189 * gcse.c (rest_of_handle_gcse): Ditto.
11190 * except.c (gate_handle_eh): Ditto.
11191 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11192 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11194 2006-03-02 Eric Christopher <echristo@apple.com>
11196 * config/i386/i386.c (machopic_output_stub): Add indirection to
11199 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11203 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11205 Sun Niagara specific optimizations.
11206 * config.gcc: Recognize niagara as target.
11207 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11208 (TARGET_CPU_niagara): Define.
11209 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11210 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11211 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11212 (ASM_CPU_SPEC): Likewise.
11213 (PROCESSOR_NIAGARA): New enum entry.
11214 (REGISTER_MOVE_COST): Handle Niagara.
11215 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11216 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11217 (sparc_override_options): Recognize "niagara", set appropriate
11218 default MASK_* values for it, and align functions to 32-bytes
11219 by default just like ULTRASPARC/ULTRASPARC3.
11220 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11221 (sparc64_initialize_trampoline): Likewise.
11222 (sparc_use_sched_lookahead): Use zero for niagara.
11223 (sparc_issue_rate): Use one for niagara.
11224 * config/sparc/niagara.md: New file.
11225 * config/sparc/sparc.md: Include it.
11226 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11227 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11228 when default cpu is niagara.
11229 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11230 (ASM_CPU_SPEC): Likewise.
11231 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11232 when default cpu is niagara.
11233 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11234 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11235 just like v9/ultrasparc/ultrasparc3.
11236 * doc/invoke.texi: Add documentation for "niagara" and improve
11237 existing documentation for ultrasparc variants.
11239 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11241 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11243 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11245 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11246 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11247 and say that only one is needed.
11248 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11249 * target.h (have_switchable_bss_sections): New hook.
11250 * explow.c (use_anchored_address): Check that the symbol is in a block.
11251 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11252 (bss_noswitch_section): New variables.
11253 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11254 (get_noswitch_section): New function.
11255 (get_block_for_section): Allow SECT to be null.
11256 (unlikely_text_section_p): Use SECTION_STYLE.
11257 (bss_initializer_p): New function.
11258 (get_variable_section): Move earlier in file. Take a new argument,
11259 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11260 Return one of the new *_sections in such cases.
11261 (get_block_for_decl): New function, extracting some logic from
11262 use_blocks_for_decl_p.
11263 (change_symbol_section): Remove in favor of...
11264 (change_symbol_block): ...this new function.
11265 (use_blocks_for_decl_p): Remove checks now performed by
11266 get_block_for_decl.
11267 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11268 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11269 (emit_local, emit_bss, emit_common): ...these new functions.
11270 Return true if the alignment was honored.
11271 (emit_tls_common): New function.
11272 (asm_emit_uninitialised): Delete.
11273 (assemble_variable_noswitch): New function, split out from...
11274 (assemble_variable): ...here. Don't make decisions about common
11275 variables here. Globalize all public decls that go into non-common
11276 sections. Check whether SYMBOL_REF_BLOCK is null.
11277 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11278 (output_constant_pool): Likewise.
11279 (init_varasm_once): Initialize the new section variables.
11280 (have_global_bss_p): New function.
11281 (categorize_decl_for_section): Use bss_initializer_p.
11282 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11283 (place_block_symbol): Assert that the symbol must be in a block.
11284 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11285 (TARGET_INITIALIZER): Include it.
11286 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11287 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11288 (SECTION_MACH_DEP): Bump by two.
11289 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11290 (unnamed_section): Mention SECTION_UNNAMED in comment.
11291 (named_section): Likewise SECTION_NAMED.
11292 (noswitch_section_callback): New type.
11293 (noswitch_section): New structure.
11294 (section): Add a noswitch_section alternative.
11295 (SECTION_STYLE): New macro.
11296 (tls_comm_section, comm_section, lcomm_section): Declare.
11297 (bss_noswitch_section, have_global_bss_p): Declare.
11298 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11299 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11301 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11302 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11305 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11307 * tree-vrp.c (execute_vrp): Return value.
11308 * regrename.c (rest_of_handle_regrename): Ditto.
11309 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11310 * tree-complex.c (tree_lower_complex): Ditto.
11311 (tree_lower_complex_O0): Ditto.
11312 * tracer.c (rest_of_handle_tracer): Ditto.
11313 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11314 * postreload.c (rest_of_handle_postreload): Ditto.
11315 * tree-tailcall.c (execute_tail_recursion): Ditto.
11316 (execute_tail_calls): Ditto.
11317 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11318 * tree.h (init_function_for_compilation): Ditto.
11319 * ipa-cp.c (ipcp_driver): Ditto.
11320 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11321 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11322 * final.c (compute_alignments): Ditto.
11323 (rest_of_handle_final): Ditto.
11324 (rest_of_handle_shorten_branches): Ditto.
11325 (rest_of_clean_state): Ditto.
11326 * omp-low.c (execute_expand_omp): Ditto.
11327 (execute_lower_omp): Ditto.
11328 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11329 * ipa-reference.c (static_execute): Ditto.
11330 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11331 * reorg.c (rest_of_handle_delay_slots): Ditto.
11332 (rest_of_handle_machine_reorg): Ditto.
11333 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11334 * flow.c (recompute_reg_usage): Ditto.
11335 (rest_of_handle_remove_death_notes): Ditto.
11336 (rest_of_handle_life): Ditto.
11337 (rest_of_handle_flow2): Ditto.
11338 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11339 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11340 (do_ssa_store_ccp): Ditto.
11341 (execute_fold_all_builtins): Ditto.
11342 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11343 * modulo-sched.c (rest_of_handle_sms): Ditto.
11344 * ipa-pure-const.c (static_execute): Ditto.
11345 * cse.c (rest_of_handle_cse): Ditto.
11346 (rest_of_handle_cse2): Ditto.
11347 * web.c (rest_of_handle_web): Ditto.
11348 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11349 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11350 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11351 * tree-nrv.c (tree_nrv): Ditto.
11352 (execute_return_slot_opt): Ditto.
11353 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11354 (create_structure_vars): Ditto.
11355 * loop-init.c (rtl_loop_init): Ditto.
11356 (rtl_loop_done): Ditto.
11357 (rtl_move_loop_invariants): Ditto.
11358 (rtl_unswitch): Ditto.
11359 (rtl_unroll_and_peel_loops): Ditto.
11360 (rtl_doloop): Ditto.
11361 * gimple-low.c (lower_function_body): Ditto.
11362 (mark_used_blocks): Ditto.
11363 * tree-ssa-sink.c (execute_sink_code): Ditto.
11364 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11365 (cgraph_early_inlining): Ditto.
11366 * global.c (rest_of_handle_global_alloc): Ditto.
11367 * jump.c (cleanup_barriers): Ditto.
11368 (purge_line_number_notes): Ditto.
11369 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11370 (rest_of_handle_if_after_reload): Ditto.
11371 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11372 (tree_ssa_loop_im): Ditto.
11373 (tree_ssa_loop_unswitch): Ditto.
11374 (tree_vectorize): Ditto.
11375 (tree_linear_transform): Ditto.
11376 (tree_ssa_loop_ivcanon): Ditto.
11377 (tree_ssa_empty_loop): Ditto.
11378 (tree_ssa_loop_bounds): Ditto.
11379 (tree_complete_unroll): Ditto.
11380 (tree_ssa_loop_prefetch): Ditto.
11381 (tree_ssa_loop_ivopts): Ditto.
11382 (tree_ssa_loop_done): Ditto.
11383 * predict.c (tree_estimate_probability): Ditto.
11384 * recog.c (split_all_insns_noflow): Ditto.
11385 (rest_of_handle_peephole2): Ditto.
11386 (rest_of_handle_split_all_insns): Ditto.
11387 * tree-eh.c (lower_eh_constructs): Ditto.
11388 * regmove.c (rest_of_handle_regmove): Ditto.
11389 (rest_of_handle_stack_adjustments): Ditto.
11390 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11391 * function.c (instantiate_virtual_regs): Ditto.
11392 (init_function_for_compilation): Ditto.
11393 (rest_of_handle_check_leaf_regs): Ditto.
11394 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11395 (rest_of_handle_gcse): Ditto.
11396 * ipa-type-escape.c (type_escape_execute): Ditto.
11397 * alias.c (rest_of_handle_cfg): Ditto.
11398 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11399 * profile.c (rest_of_handle_branch_prob): Ditto.
11400 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11401 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11402 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11403 * tree-dfa.c (find_referenced_vars): Ditto.
11404 * except.c (set_nothrow_function_flags): Ditto.
11405 (convert_to_eh_region_ranges): Ditto.
11406 (rest_of_handle_eh): Ditto.
11407 * emit-rtl.c (unshare_all_rtl): Ditto.
11408 (remove_unnecessary_notes): Ditto.
11409 * except.h (set_nothrow_function_flags): Ditto.
11410 (convert_to_eh_region_ranges): Ditto.
11411 * cfgexpand.c (tree_expand_cfg): Ditto.
11412 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11413 * tree-ssa-pre.c (do_pre): Ditto.
11414 (execute_fre): Ditto.
11415 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11416 (rest_of_handle_jump2): Ditto.
11417 * tree-sra.c (tree_sra): Ditto.
11418 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11419 (execute_mudflap_function_decls): Ditto.
11420 * tree-ssa-copy.c (do_copy_prop): Ditto.
11421 (do_store_copy_prop): Ditto.
11422 * ipa-prop.h (ipcp_driver): Ditto.
11423 * cfglayout.c (insn_locators_initialize): Ditto.
11424 * tree-ssa-forwprop.c
11425 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11426 * cfglayout.h (insn_locators_initialize): Ditto.
11427 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11428 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11429 (execute_late_warn_uninitialized): Ditto.
11430 * rtl.h (cleanup_barriers): Ditto.
11431 (split_all_insns_noflow): Ditto.
11432 (purge_line_number_notes): Ditto.
11433 (unshare_all_rtl): Ditto.
11434 (remove_unnecessary_notes): Ditto.
11435 (recompute_reg_usage): Ditto.
11436 (variable_tracking_main): Ditto.
11437 * integrate.c (emit_initial_value_sets): Ditto.
11438 * integrate.h (emit_initial_value_sets): Ditto.
11439 * tree-optimize.c (execute_free_datastructures): Ditto
11440 (execute_free_cfg_annotations): Ditto.
11441 (execute_fixup_cfg): Ditto.
11442 (execute_cleanup_cfg_pre_ipa): Ditto.
11443 (execute_cleanup_cfg_post_optimizing): Ditto.
11444 (execute_init_datastructures): Ditto.
11445 * tree-object-size.c (compute_object_sizes): Ditto.
11446 * combine.c (rest_of_handle_combine): Ditto.
11447 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11448 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11449 (rest_of_handle_reorder_blocks): Ditto.
11450 (rest_of_handle_partition_blocks): Ditto.
11451 * var-tracking.c (variable_tracking_main): Ditto.
11452 * tree-profile.c (tree_profiling): Ditto.
11453 * tree-vect-generic.c (expand_vector_operations): Ditto.
11454 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11455 * sched-rgn.c (rest_of_handle_sched): Ditto.
11456 (rest_of_handle_sched2): Ditto.
11457 * basic-block.h (free_bb_insn): Ditto.
11458 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11459 * tree-cfg.c (execute_build_cfg): Ditto.
11460 (remove_useless_stmts): Ditto.
11461 (split_critical_edges): Ditto.
11462 (execute_warn_function_return): Ditto.
11463 (execute_warn_function_noreturn): Ditto.
11464 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11465 * cfgrtl.c (free_bb_for_insn): Ditto.
11466 * passes.c (execute_one_pass): Run additional
11467 todos returned by execute function.
11468 * tree-pass.h (struct tree_opt_pass): Make execute
11471 2006-03-02 Richard Guenther <rguenther@suse.de>
11473 * tree-ssa-alias.c (find_used_portions): Consider taking
11474 the address as making the variable not write-only.
11476 2006-03-02 Nick Clifton <nickc@redhat.com>
11478 * config.gcc (default_use_cxa_atexit): Extend the description of
11479 this configure variable. Set its default value to "yes" for
11480 Linux, NetBSD and ELF targets on the assumption that they will
11481 use C libraries with the __cxa_atexit function.
11483 2006-03-02 Ben Elliston <bje@au.ibm.com>
11485 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11486 parameter as unused to suppress a build warning.
11488 2006-03-02 Ben Elliston <bje@au.ibm.com>
11490 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11493 2006-03-01 Roger Sayle <roger@eyesopen.com>
11496 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11497 declared name, the weak reference name, and the typeof name.
11498 (__gthrw): Avoid expanding the declared name suffix.
11499 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11501 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11503 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11505 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11506 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11507 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11508 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11509 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11510 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11511 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11512 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11513 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11514 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11515 (DW_END_default, DW_END_big, DW_END_little): New.
11516 (DW_END_lo_user, DW_END_hi_user): Define.
11517 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11518 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11519 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11522 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11524 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11526 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11528 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11530 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11532 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11533 to 'symbol_mem_tag'.
11535 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11538 2006-03-01 Roger Sayle <roger@eyesopen.com>
11540 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11542 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11545 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11546 MACHO_DYNAMIC_NO_PIC_P.
11547 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11549 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11552 * config/darwin-protos.h (darwin_asm_output_anchor):
11554 * config/darwin-sections.def (cstring_section):
11555 Add SECTION_MERGE to the flags.
11556 (literal4_section): Likewise.
11557 (literal8_section): Likewise.
11558 (objc_selector_refs_section): Likewise.
11559 (objc_cls_refs_section): Likewise.
11560 * config/darwin.c (darwin_asm_output_anchor): New
11562 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11564 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11566 Fix PR tree-optimization/26443
11567 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11568 to todo and PROP_tmt_usage to properties_destroyed.
11569 * tree-ssa-ccp.c (pass_ccp): Ditto.
11570 (pass_store_ccp): Ditto.
11571 * tree-ssa-dom.c (pass_dominator): Ditto.
11573 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11575 * tree-ssa-operands.c: Cleanup whitespace.
11576 (get_asm_expr_operands): Move before first invocation.
11577 (get_indirect_ref_operands): Likewise.
11578 (get_tmr_operands): Likewise.
11579 (get_call_expr_operands): Likewise.
11580 (append_def): Likewise.
11581 (append_use): Likewise.
11582 (append_v_may_def): Likewise.
11583 (append_v_must_def): Likewise.
11584 (add_call_clobber_ops): Likewise.
11585 (add_call_read_ops): Likewise.
11586 (add_stmt_operand): Likewise.
11587 (add_virtual_operand): Likewise.
11588 (build_ssa_operands): Likewise.
11590 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11592 PR middle-end/26022
11594 PR middle-end/24437
11595 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11596 with a call expr to ...
11597 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11599 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11601 * tree-vrp.c (extract_range_from_assert): Remove special
11602 handling for types with super-types.
11604 2006-03-01 Ben Elliston <bje@au.ibm.com>
11606 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11607 and powerpc64-*-linux* configurations.
11608 * config/t-dfprules: New file.
11610 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11611 Compile dfp-bit.c from the source directory using -DWIDTH and
11612 $DFP_CFLAGS to control the compilation of that file, rather than
11613 generating width-specific versions in the build directory.
11614 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11615 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11617 2006-02-28 Zack Weinberg <zackw@panix.com>
11619 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11622 2006-02-28 Eric Christopher <echristo@apple.com>
11624 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11625 Set up IN_LIBGCC definition of TARGET_64BIT.
11626 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11628 2006-02-28 Roger Sayle <roger@eyesopen.com>
11630 PR middle-end/14752
11631 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11632 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11633 cases via the construction of "expr != 0".
11635 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11637 * alias.c (alias_invariant, alias_invariant_size): Remove.
11638 (record_base_value): Remove.
11639 (memrefs_conflict_p): Don't look at alias_invariant.
11640 (end_alias_analysis): Don't free it.
11641 * alias.h (record_base_value): Remove prototype.
11643 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11644 Adam Nemet <anemet@caviumnetworks.com>
11646 * rtl.h (truncated_to_mode): Declare it.
11647 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11648 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11649 (RTL_HOOKS_INITIALIZER): Include it.
11650 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11651 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11652 reg_truncated_to_mode.
11653 * rtlanal.c (truncated_to_mode): Define it.
11654 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11656 2006-02-28 Jeff Law <law@redhat.com>
11658 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11659 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11660 the range allowed by TYPE_PRECISION.
11662 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11664 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11666 PR tree-optimization/26419
11667 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11670 2006-02-27 Zack Weinberg <zackw@panix.com>
11672 * doc/md.texi: Fix typo in previous change.
11674 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11678 2006-02-27 Zack Weinberg <zackw@panix.com>
11680 * rtl.def (define_constraint, define_register_constraint)
11681 (define_memory_constraint, define_address_constraint): New MD forms.
11682 * gensupport.c (process_rtx): Put define_constraint etc on the
11684 * genpreds.c (process_define_predicate): Adjust comment. Validate
11685 the name, and call validate_exp to validate the expression.
11686 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11687 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11688 all callers changed.
11689 (validate_exp, needs_variable, struct constraint_data)
11690 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11691 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11692 (const_dbl_constraints, constraint_max_namelen)
11693 (have_register_constraints, have_memory_constraints)
11694 (have_address_constraints, have_address_constraints)
11695 (have_extra_constraints, have_const_int_constraints)
11696 (have_const_dbl_constraints, mangle, add_constraint)
11697 (process_define_constraint, process_define_register_constraint)
11698 (write_enum_constraint_num, write_lookup_constraint)
11699 (write_insn_constraint_len, write_regclass_for_constraint)
11700 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11701 (write_insn_extra_memory_constraint)
11702 (write_insn_extra_address_constraint)
11703 (write_satisfies_constraint_fns): New.
11704 (write_tm_preds_h): If we have new-style constraint definitions,
11705 prototype the functions generated from them, and define the
11706 old constraint interface (still used by generic code) in terms of
11708 (write_insn_preds_c): If we have new-style constraint definitions,
11709 generate all relevant functions from those definitions.
11710 (main): Handle define_constraint etc.
11711 * genoutput.c (struct constraint_data, indep_constraints)
11712 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11713 (mdep_constraint_len): New data structures and functions, defined
11714 #ifdef USE_MD_CONSTRAINTS.
11715 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11716 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11717 use new logic to validate operand constraints against constraint
11719 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11721 * defaults.h: If none of the old-style constraint macros are
11722 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11723 old-style macros; and poison REG_CLASS_FROM_LETTER,
11724 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11726 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11727 * doc/md.texi: Document new constraint-definition mechanism and the
11728 C interface it provides. Remove references to old mechanism
11729 elsewhere in the document.
11730 (Machine Constraints): Use pathnames relative to gcc directory,
11731 i.e. config/ARCH/FILE. Change i386 section to refer to
11732 config/i386/predicates.md; update that section to match docstrings.
11733 * doc/tm.texi: Move all documentation of the old constraint-
11734 definition macros to their own section, clearly mark as obsolete.
11736 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11737 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11739 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11740 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11741 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11742 constraint strings.
11743 (splits and peepholes): Use satisfies_constraint_*.
11744 * config/i386/i386.c (memory_address_length)
11745 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11747 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11749 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11750 scalar operation to be put back into the loop.
11752 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11755 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11756 (extract_cie_info): Handle S flag in augmentation string.
11757 (execute_cfa_program): If context->signal_frame, execute also
11758 fs->pc == context->ra instructions.
11759 (uw_frame_state_for): If context->signal_frame, don't subtract one
11760 from context->ra to find FDE.
11761 (uw_update_context_1): Set context->signal_frame to
11763 (_Unwind_GetIPInfo): New function.
11764 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11765 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11767 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11768 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11769 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11770 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11771 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11772 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11773 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11774 x86_64_fallback_frame_state): Set fs->signal_frame.
11775 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11776 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11777 (frob_update_context): Likewise. Workaround missing S flag in
11778 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11779 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11780 Remove the psw_addr + 1 hack.
11782 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11784 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11785 with aggregates here.
11786 (find_func_aliases): Remove code for &<aggregate> from here.
11788 2006-02-26 Roger Sayle <roger@eyesopen.com>
11790 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11791 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11792 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11793 as (X & C) ne/eq 0.
11795 2006-02-26 Roger Sayle <roger@eyesopen.com>
11797 PR middle-end/19983
11798 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11800 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11802 * opts.c (decode_options): Do not handle flag_strength_reduce.
11803 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11804 and OPT_fstrength_reduce.
11805 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11806 flag_prefetch_loop_arrays for being nonzero.
11807 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11809 (fprefetch-loop-arrays-rtl): Removed.
11810 (flag_prefetch_loop_arrays): Do not specify the value.
11812 * doc/passes.texi: Update documentation of loop optimizer
11814 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11815 -frerun-loop-opt): Remove.
11817 2006-02-26 Richard Guenther <rguenther@suse.de>
11819 PR tree-optimization/26421
11820 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11821 in function calls that are ADDR_EXPRs as using the whole structure.
11823 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11825 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11826 * tree-pass.h (pass_loop_optimize): Remove.
11827 * passes.c (pass_loop_optimize): Never run it.
11828 * toplev.c (backend_init): Don't call init_loop.
11829 * opts.c (flag_loop_optimize_set): Remove.
11830 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11831 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11832 the old RTL loop optimizer when profiling enabled.
11833 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11834 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11835 pre-headers for the sake of the old RTL loop optimizer.
11836 * Makefile.in: Remove all references to loop.o.
11838 * doc/invoke.texi: Remove all references to -floop-optimize
11839 and -frerun-loop-opt.
11841 2006-02-26 Zack Weinberg <zackw@panix.com>
11843 * doc/md.texi (Machine Constraints): Refer to all files with paths
11844 relative to gcc directory (i.e. config/CPU/file). Add missing
11845 @table @code ... @end table to M32C subsection.
11847 2006-02-26 Roger Sayle <roger@eyesopen.com>
11849 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11851 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11853 2006-02-26 Roger Sayle <roger@eyesopen.com>
11854 James A. Morrison <phython@gcc.gnu.org>
11856 PR middle-end/21137
11857 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11858 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11859 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11860 signedness of the shift operation.
11862 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11864 PR tree-optimization/26359
11865 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11867 2006-02-25 Roger Sayle <roger@eyesopen.com>
11869 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11870 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11871 as X == 0, and some symmetry related transformations.
11872 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11874 2006-02-25 Roger Sayle <roger@eyesopen.com>
11876 PR middle-end/23673
11877 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11878 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11879 symmetry related transformations. Fold (X^C1) == C2 as
11882 2006-02-25 Juergen Weigert <jw@suse.de>
11883 Richard Guenther <rguenther@suse.de>
11885 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11887 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11889 * combine.c (gen_lowpart_or_truncate): Call
11890 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11892 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11894 * doc/invoke.texi: Move -fopenmp description to "Options for
11896 Remove reference to -lgomp.
11898 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11900 * doc/install.texi: Require GNU tar version 1.14.
11902 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11904 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11905 * doc/invoke.texi (C++ Dialect Options): Document
11906 -fno-use-cxa-get-exception-ptr.
11907 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11908 * configure: Regenerate.
11909 * c.opt (fuse-cxa-get-exception-ptr): New.
11910 * c-opts.c (c_common_handle_option): Handle
11911 OPT_fuse_cxa_get_exception_ptr.
11912 * c-common.c (flag_use_cxa_atexit): Update documentation.
11913 (flag_use_cxa_get_exception_ptr): New.
11914 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11915 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11917 (C_COMMON_OVERRIDE_OPTIONS): New.
11919 2006-02-24 Roger Sayle <roger@eyesopen.com>
11921 PR middle-end/24952
11922 * combine.c (try_combine): Explicitly check whether GET_CODE is
11923 a SET or a CLOBBER, instead on checking that it isn't a USE.
11925 2006-02-24 Roger Sayle <roger@eyesopen.com>
11927 * fold-const.c (fold_comparison): New subroutine of fold_binary
11928 containing transformations common to both the equality and
11929 ordering relational operators, factored out of fold_binary.
11930 (fold_binary): Separate out the equality operators (EQ_EXPR
11931 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11932 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11933 transformations common to both.
11934 (fold_div_compare): Fix latent bugs in the previously unreachable
11935 LT_EXPR and GE_EXPR cases.
11937 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11939 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11940 decl libname for clog to __clog on AIX.
11942 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11944 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11947 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11948 output traceback table for thunks. Localise rs6000_stack_info call.
11950 2006-02-23 Roger Sayle <roger@eyesopen.com>
11951 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11953 * gthr-posix.h (__gthrw): Fix typo in comment.
11955 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11957 * doc/cpp.texi (Character sets): Document that we do support
11958 input files to be in any character set.
11960 2006-02-23 Jeff Law <law@redhat.com>
11962 * tree.h (PHI_ARG_NONZERO): Remove.
11963 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11964 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11965 node to the new node.
11967 PR tree-optimization/26425
11968 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11969 min/max, then assume its varying.
11971 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11973 PR rtl-optimization/26316
11974 * rtlanal.c (enum may_trap_p_flags): New.
11975 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11976 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11977 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11978 (may_trap_after_code_motion_p): New function.
11979 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11980 (find_invariant_insn): Use may_trap_after_code_motion_p.
11981 * rtl.h (may_trap_after_code_motion_p): Declare.
11983 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11985 * emit-rtl.c (immed_double_const): Cleanup.
11987 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11989 Fix PR tree-optimization/26376
11990 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11993 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11995 PR middle-end/26412
11996 * gimplify.c (omp_add_variable): Guard variable size decl test with
11997 DECL_SIZE (decl) check.
11999 2006-02-23 Richard Guenther <rguenther@suse.de>
12001 PR middle-end/26439
12002 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12003 like aggregate types.
12005 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12007 * configure.ac: Add --with{,out}-long-double-128 configure option.
12008 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12009 * configure: Rebuilt.
12010 * config.in: Rebuilt.
12011 * doc/install.texi (Options specification): Document
12012 --with-long-double-128.
12014 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12015 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12016 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12017 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12019 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12021 * config/s390/s390.c (override_options): Handle
12022 TARGET_DEFAULT_LONG_DOUBLE_128.
12024 * config/alpha/alpha.c (override_options): Handle
12025 TARGET_DEFAULT_LONG_DOUBLE_128.
12027 * config/sparc/sparc.c (sparc_override_options): Handle
12028 TARGET_DEFAULT_LONG_DOUBLE_128.
12030 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12032 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12033 (real-install-headers-tar, real-install-headers-cpio)
12034 (real-install-headers-cp): New targets.
12036 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12038 * tree.h (variable_section): Delete.
12039 * varasm.c (variable_section): Delete.
12041 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12043 * install.texi: Add notes on install.texi2html.
12044 (Building in parallel): Do not use footnotes.
12046 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12049 * doc/install.texi (Configuration): Document --disable-libgomp.
12051 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12053 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12055 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12057 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12058 (vec_extractv2df_0_sse): New.
12060 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12062 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12063 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12064 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12065 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12066 to the result of the expression.
12067 (def_cfa_1): Adjust.
12068 (frame_pointer_cfa_offset): Rename to...
12069 (frame_pointer_fb_offset): ... this. Adjust all uses.
12070 (convert_cfa_to_loc_list): Rename to...
12071 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12072 Pass it on to build_cfa_loc.
12073 (compute_frame_pointer_to_cfa_displacement): Rename to...
12074 (compute_frame_pointer_to_fb_displacement): ... this. New
12075 offset parameter. Use it in computation.
12076 (gen_subprogram_die): Compute cfa_fb_offset with the new
12077 macro, and use it to compute the fb loc list and the
12080 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12082 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12083 replaced with register_operand.
12084 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12085 non-DREG is expensive.
12086 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12087 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12090 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12092 * doc/install.texi2html: Use set -e.
12094 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12096 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12097 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12098 * doc/invoke.texi (-fshared-data): Delete.
12099 * common.opt (fshared-data): Delete.
12100 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12101 (assemble_static_space): Remove #if 0 code.
12102 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12103 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12104 * config/cris/cris.h: Remove FIXME.
12106 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12108 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12111 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12113 PR middle-end/26379
12114 * combine.c (simplify_shift_const_1): Disable nested shifts
12115 optimization for vector shifts.
12117 2006-02-20 Roger Sayle <roger@eyesopen.com>
12119 PR tree-optimization/26361
12120 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12121 of unsigned integer types.
12123 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12125 * tree-chrec.c (eq_evolutions_p): New.
12126 * tree-chrec.h (eq_evolutions_p): Declared.
12127 * tree-data-ref.c: Fix formatting.
12128 (datadep_stats, dependence_stats): New.
12130 (print_direction_vector): New.
12131 (dump_data_dependence_relation): Use print_direction_vector.
12132 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12133 (compute_subscript_distance): Static.
12134 (initialize_data_dependence_relation): Static. Get the number
12135 of loops surrounding the references from the callers, and initialize
12136 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12137 base_object_differ_p analyzers.
12138 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12139 compute_overlap_steps_for_affine_1_2,
12140 analyze_subscript_affine_affine): Count the classified dependences.
12141 Print a message when a test failed.
12142 (can_use_analyze_subscript_affine_affine): New.
12143 (analyze_siv_subscript): Compute the data dependences on symbolic
12144 scevs that verify can_use_analyze_subscript_affine_affine.
12145 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12146 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12147 Handle symbolic scevs.
12148 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12150 (subscript_dependence_tester): Moved...
12151 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12152 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12153 DDR_SIZE_VECT instead of getting it in parameter.
12154 (subscript_dependence_tester): ... here. Take as a parameter
12155 loop_nest_depth. Call build_classic_dist_vector and
12156 build_classic_dir_vector.
12157 (compute_affine_dependence): Update subscript_dependence_tester
12158 parameters. Update datadep_stats counters. Call
12159 compute_subscript_distance.
12160 (compute_self_dependence): Save the dist and dir vectors. Call
12161 compute_subscript_distance.
12162 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12163 (compute_all_dependences): Reorder parameters as they were before
12164 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12165 compute_subscript_distance. Update the use of
12166 compute_affine_dependence and initialize_data_dependence_relation.
12167 (find_data_references_in_loop): Handle COMPONENT_REF.
12168 (compute_data_dependences_for_loop): Initialize dependence_stats.
12169 Don't call build_classic_dist_vector and build_classic_dir_vector.
12170 Update the parameters of initialize_data_dependence_relation and
12171 compute_all_dependences. Print the statistics from datadep_stats.
12172 (analyze_all_data_dependences): Static. Not used until the pass for
12173 checking the data dependences is contributed.
12174 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12175 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12176 (initialize_data_dependence_relation, compute_affine_dependence,
12177 analyze_all_data_dependences, compute_subscript_distance): Removed.
12178 (print_direction_vector): New.
12179 * lambda.h (gcd): ... here.
12180 (lambda_vector_gcd): Moved here from gcd_vector.
12181 * lambda-code.c (gcd, gcd_vector): Removed.
12182 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12183 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12185 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12187 * ipa-type-escape.c: Tidy some comments and white space.
12188 * tree-ssa-operands.c: Likewise.
12190 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12193 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12194 (dump_decl_name): Do not walk the decl tree chains.
12195 * tree-pass.h (TDF_CHAIN): Remove.
12197 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12199 * Makefile.in (C): Remove
12201 (.PHONY): Remove C and PROTO
12203 2006-02-20 Roger Sayle <roger@eyesopen.com>
12205 PR middle-end/26236
12206 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12207 deprecated CHAR_TYPE tree code.
12209 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12211 * configure.ac (target_list): Add install-info, dvi, html.
12212 * configure: Regenerate.
12214 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12215 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12216 treelang/Make-lang.in: Do not use double-colon rules.
12218 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12220 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12221 (TMT_USED_ALONE): New macro.
12222 * tree-pass.h (PROP_tmt_usage): New property.
12223 (TODO_update_tmt_usage): New todo.
12224 * tree-ssa-alias.c (updating_used_alone): New variable.
12225 (recalculate_used_alone): New function.
12226 (compute_may_aliases): Set updating_used_alone, call
12227 recalculate_used_alone.
12228 * tree-sra.c (pass_sra): Note that this pass destroys
12229 PROP_tmt_usage, and add TODO_update_tmt_usage.
12230 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12231 * tree-flow.h (updating_used_alone): Prototype.
12232 (recalculate_used_alone): Ditto.
12233 * passes.c (execute_todo): Add code to set updating_used_alone,
12234 and call recalculate.
12235 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12236 for clobber if used alone, and add assert to verify used_alone
12239 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12241 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12242 for non tls symbols added.
12243 (legitimize_address): Do nothing for PLUS expressions if one of the
12244 addends is a tls symbol reference.
12246 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12250 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12252 * Makefile.in (BOOTSTRAPPING): New.
12253 (quickstrap): New definition if BOOTSTRAPPING=yes.
12255 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12256 * configure.ac: Substitute all_selected_languages with the languages
12257 that were configured. For all the other variables except
12258 lang_specs_files, include all the languages in the tree.
12259 * configure: Regenerate.
12261 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12262 if there is one. Run the commands to run fixincludes in the same
12265 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12266 * doc/install.texi: Document exact conventions for searching target tools.
12267 Document --with-build-time-tools. Document toplevel bootstrap. Document
12268 something more about building an Ada cross-compiler. Don't list GNU Make
12269 requirements which affect all platforms.
12271 2006-02-19 Roger Sayle <roger@eyesopen.com>
12273 PR middle-end/19543
12274 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12275 only equivalent if the have both the same mode and precision.
12277 2006-02-20 Ben Elliston <bje@au.ibm.com>
12279 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12281 2006-02-19 Roger Sayle <roger@eyesopen.com>
12282 Steven Bosscher <stevenb.gcc@gmail.com>
12284 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12285 constant pool references to identify stack mode constants.
12286 * rtlanal.c (constant_pool_constant_p): New predicate to check
12287 whether operand is a floating point constant in the pool.
12288 * rtl.h (constant_pool_constant_p): Prototype here.
12289 * loop.c (scan_loop): Avoid hoisting constants from the constant
12290 pool on STACK_REGS targets.
12291 (load_mems): Likewise.
12292 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12293 loads into x87 registers expensive in terms of register pressure.
12295 2006-02-19 Roger Sayle <roger@eyesopen.com>
12297 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12298 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12300 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12302 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12303 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12305 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12307 * doc/invoke.texi: Document -fipa-pta.
12308 * common.opt: Add ipa-pta option.
12309 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12310 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12311 (do_ds_constraint): Ditto.
12312 (get_constraint_for): Only add to referenced_vars if
12313 referenced_vars exists.
12314 (insert_into_field_list): Rewrite to do this unsorted.
12315 (insert_into_field_list_sorted): Rename old insert_into_field_list
12317 (create_function_info_for): Use insert_into_field_list_sorted.
12318 (create_variable_info_for): Rewrite so it uses unsorted version,
12319 since the field list is sorted.
12320 (intra_create_variable_infos): Only add to referenced_vars if
12321 referenced_vars exists.
12322 (ipa_pta_execute): Init heapvars, and delete when done.
12323 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12325 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12327 * doc/install.texi: Add missing `@samp'.
12329 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12331 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12334 2006-02-18 Mark Wielaard <mark@klomp.org>
12336 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12337 who added new 4.1 features, bug fixes and integration support.
12339 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12342 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12343 MEM for ABI_V4 pic.
12345 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12347 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12348 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12349 (copy_insn_1): Likewise. Don't copy each field individually.
12351 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12353 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12354 * rtl.c (rtx_size): Rename variable to...
12355 (rtx_code_size): ...this.
12356 (rtx_size): New function.
12357 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12358 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12360 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12361 * rtl.h (rtx_code_size): New variable.
12362 (rtx_size): Change from a variable to a function.
12363 (RTX_SIZE): Rename to...
12364 (RTX_CODE_SIZE): ...this.
12367 PR tree-optimization/17106
12368 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12369 (Anchored Addresses): New section.
12370 * doc/invoke.texi (-fsection-anchors): Document.
12371 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12372 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12373 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12374 * hooks.c (hook_bool_mode_rtx_false): New function.
12375 * hooks.h (hook_bool_mode_rtx_false): Declare.
12376 * gengtype.c (create_optional_field): New function.
12377 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12378 SYMBOL_REF_IN_BLOCK_P is true.
12379 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12380 (min_anchor_offset, max_anchor_offset): Likewise.
12381 (use_anchors_for_symbol_p): New hook.
12382 * toplev.c (compile_file): Call output_object_blocks.
12383 (target_supports_section_anchors_p): New function.
12384 (process_options): Check that -fsection-anchors is only used on
12385 targets that support it and when -funit-at-a-time is in effect.
12386 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12387 if the decl doesn't have one.
12388 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12389 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12390 of force_const_mem through use_anchored_address.
12391 (expand_expr_constant): New function.
12392 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12393 calling expand_expr for INDIRECT_REF.
12394 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12395 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12396 * expr.h (use_anchored_address): Declare.
12397 * loop-unroll.c: Don't declare rtx vectors here.
12398 * explow.c: Include output.h.
12399 (validize_mem): Call use_anchored_address.
12400 (use_anchored_address): New function.
12401 * common.opt (-fsection-anchors): New switch.
12402 * varasm.c (object_block_htab, anchor_labelno): New variables.
12403 (hash_section, object_block_entry_eq, object_block_entry_hash)
12404 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12405 (use_blocks_for_decl_p, change_symbol_section): New functions.
12406 (get_variable_section): New function, split out from assemble_variable.
12407 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12408 use_blocks_for_decl_p say so. Use change_symbol_section if the
12409 symbol has already been created.
12410 (assemble_variable_contents): New function, split out from...
12411 (assemble_variable): ...here. Don't output any code for
12412 block symbols; just pass them to place_block_symbol.
12413 Use get_variable_section and assemble_variable_contents.
12414 (get_constant_alignment, get_constant_section, get_constant_size): New
12415 functions, split from output_constant_def_contents.
12416 (build_constant_desc): Create a block symbol if use_object_blocks_p
12417 says so. Or into SYMBOL_REF_FLAGS.
12418 (assemble_constant_contents): New function, split from...
12419 (output_constant_def_contents): ...here. Don't output any code
12420 for block symbols; just pass them to place_section_symbol.
12421 Use get_constant_section and get_constant_alignment.
12422 (force_const_mem): Create a block symbol if use_object_blocks_p and
12423 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12424 (output_constant_pool_1): Add an explicit alignment argument.
12425 Don't switch sections here.
12426 (output_constant_pool): Adjust call to output_constant_pool_1.
12427 Switch sections here instead. Don't output anything for block symbols;
12428 just pass them to place_block_symbol.
12429 (init_varasm_once): Initialize object_block_htab.
12430 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12431 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12432 (place_block_symbol, get_section_anchor, output_object_block)
12433 (output_object_block_htab, output_object_blocks): New functions.
12434 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12435 (TARGET_ASM_OUT): Include it.
12436 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12437 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12438 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12439 (TARGET_INITIALIZER): Include them.
12440 * rtl.c (rtl_check_failed_block_symbol): New function.
12441 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12442 (block_symbol, object_block): New structures.
12443 (rtx_def): Add a block_symbol field to the union.
12444 (BLOCK_SYMBOL_CHECK): New macro.
12445 (rtl_check_failed_block_symbol): Declare.
12446 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12447 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12448 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12449 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12450 * output.h (output_section_symbols): Declare.
12451 (object_block): Name structure.
12452 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12453 (default_use_anchors_for_symbol_p): Declare.
12454 * Makefile.in (RTL_BASE_H): Add vec.h.
12455 (explow.o): Depend on output.h.
12456 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12457 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12458 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12459 (rs6000_use_blocks_for_constant_p): New function.
12461 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12463 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12465 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12468 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12471 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12473 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12477 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12479 PR middle-end/26334
12480 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12481 instead of DECL_REGISTER.
12483 2006-02-18 Olivier Hainque <hainque@adacore.com>
12486 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12488 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12491 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12492 * opth-gen.awk: Handle Var and InverseMask together.
12493 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12494 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12495 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12496 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12498 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12499 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12500 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12501 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12502 LINUX_DYNAMIC_LINKER): Define.
12503 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12504 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12506 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12507 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12508 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12510 (TARGET_C99_FUNCTIONS): Don't define.
12511 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12512 GLIBC_DYNAMIC_LINKER.
12513 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12514 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12515 GLIBC_DYNAMIC_LINKER64): Define.
12516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12517 LINUX_DYNAMIC_LINKER64.
12518 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12520 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12522 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12524 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12525 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12526 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12528 and LINUX_DYNAMIC_LINKER32.
12529 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12531 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12533 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12535 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12536 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12537 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12538 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12539 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12540 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12541 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12542 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12543 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12544 LINUX_DYNAMIC_LINKER): Define.
12545 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12546 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12547 GLIBC_DYNAMIC_LINKER64): Define.
12548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12549 LINUX_DYNAMIC_LINKER64.
12550 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12551 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12552 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12553 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12554 LINUX_DYNAMIC_LINKER): Define.
12555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12556 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12557 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12558 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12559 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12560 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12561 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12562 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12563 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12564 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12566 * doc/invoke.texi (-muclibc): Remove caveat about supported
12569 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12571 * doc/cpp.texi (__TIMESTAMP__): Document.
12573 2006-02-17 Roger Sayle <roger@eyesopen.com>
12575 PR middle-end/25600
12576 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12577 C is one less than the width of X (and related transformations).
12578 * simplify-rtx.c (simplify_unary_operation_1): Transform
12579 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12580 depending on STORE_FLAG_VALUE, were C is one less then the
12583 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12585 Fix PR tree-optimization/26341
12586 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12587 about NAME_MEMORY_TAG's.
12589 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12592 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12593 with hardware float support, and software float support. Add fcpy
12594 alternative to hardware patterns. Add alternatives to copy between
12595 general and floating-point registers to the 32-bit pattern.
12596 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12597 secondary reload to load a QI or HI mode constant into a floating
12599 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12600 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12602 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12605 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12607 (load_macho_picbase_di): Likewise.
12609 2006-02-16 Jeff Law <law@redhat.com>
12611 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12612 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12613 (ssa_name_nonzero_p): Likewise.
12614 (get_value_range): Return NULL if VRP is not running.
12615 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12616 VRP routines do not discover a range.
12617 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12618 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12619 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12620 (tree_expr_nonnegative_p): Similarly.
12621 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12622 (restore_nonzero_vars_to_original_value): Remove.
12623 (unsafe_associative_fp_binop): Remove.
12624 (tree_ssa_dominator_optimize): Remove initialization and
12625 finalization of nonzero_vars and nonzero_vars_stack.
12626 (dom_opt_initialize_block): No longer push marker on
12627 nonzero_vars_stack.
12628 (dom_opt_finalize_block): No longer call
12629 restore_nonzero_vars_to_original_value.
12630 (record_equivalences_from_phis): No longer look for
12631 nonzero PHI arguments.
12632 (cprop_into_successor_phis): No longer propagate nonzero
12633 property into PHI arguments. Lose unused argument. Caller
12635 (record_equivalences_from_stmt): No longer record nonzero
12636 values for SSA_NAMEs.
12637 (lookup_avail_expr): No longer use nonzero_vars.
12639 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12640 for sizetype when sizetype is unsigned.
12642 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12644 PR rtl-optimization/25603
12645 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12646 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12647 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12648 with new meaning of SETS.
12650 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12655 * config/linux.opt: New file.
12656 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12657 LINUX_DYNAMIC_LINKER): Define.
12658 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12659 * config.gcc (*-*-linux*): Define extra_options.
12660 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12661 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12662 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12663 GLIBC_DYNAMIC_LINKER.
12664 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12665 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12666 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12668 * doc/invoke.texi (GNU/Linux Options): New section.
12670 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12672 * config/sparc/sparc.md (setjmp): Rewrite.
12673 (setjmp_32): Delete.
12674 (setjmp_64): Likewise.
12676 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12678 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12681 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12683 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12686 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12688 PR rtl-optimization/26296
12689 * Makefile.in (loop-invariant.c): Add except.h dependency.
12690 * loop-invariant.c: Include except.h.
12691 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12693 2005-02-16 Paul Brook <paul@codesourcery.com>
12695 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12698 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12700 PR rtl-optimization/25636
12701 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12702 when deciding whether an insn is an initializing insn.
12704 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12706 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12707 (tree_code_size): Ditto.
12708 * tree.h (struct tree_memory_tag): Remove parent_var.
12709 (struct tree_struct_field_tag): New.
12712 (union tree_node): Add sft member.
12713 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12715 (create_sft): Add size and offset argument, set SFT_OFFSET and
12717 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12718 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12719 * tree-flow-inline.h (get_subvar_at): Update for
12720 SFT_OFFSET/SFT_SIZE.
12721 (var_can_have_subvars): Ditto.
12722 (overlap_subvar): Ditto.
12723 * print-tree.c (print_node): Print out interesting things for
12725 * tree-flow.h (struct subvar): Remove offset and size members.
12726 * tree-ssa-operands.c (get_expr_operands): Update for
12727 get_indirect_ref_operands changes.
12728 (get_indirect_ref_operands): Call add_virtual_operand instead of
12729 add_stmt_operand. Only recurse on base var if requested.
12730 (access_can_touch_variable): New function.
12731 (add_stmt_operand): Split virtual operand handling into ...
12732 (add_virtual_operand): Here. Add offset, size, and for_clobber
12733 arguments. Prune alias sets.
12734 (add_call_clobber_ops): Call add_virtual_operand.
12736 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12738 PR middle-end/26300
12739 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12741 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12742 than TREE_CODE as index into omp_clause_num_ops array.
12744 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12746 PR rtl-optimization/26184
12747 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12749 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12750 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12751 must_precede, must_follow and tobe_scheduled.
12754 * opts.c (common_handle_option): Free new_option pointer.
12755 * df-core.c (df_analyze): Free postorder pointer.
12757 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12759 * Makefile.in: Fix the examples about the use of stamps
12761 2006-02-15 Michael Matz <matz@suse.de>
12763 PR middle-end/22275
12765 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12766 influenced by maximum_field_alignment or DECL_PACKED.
12767 (update_alignment_for_field): Ditto.
12768 (place_field): Ditto.
12769 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12772 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12774 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12775 (debug_flow_info): Pass it.
12776 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12777 * bb-reorder.c (reorder_basic_blocks): Likewise.
12778 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12779 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12780 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12781 * gcse.c (gcse_main, bypass_jumps): Likewise.
12782 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12783 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12784 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12785 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12786 * rtl.h (dump_flow_info): Adjust prototype.
12787 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12788 * var-tracking.c (variable_tracking_main): Likewise.
12789 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12790 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12793 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12795 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12798 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12800 PR tree-optimization/26209
12801 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12802 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12804 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12806 2006-02-14 Roger Sayle <roger@eyesopen.com>
12808 PR middle-end/23670
12809 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12810 (X,Y) and the corresponding symmetry related transformations.
12811 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12812 (X,Y) and its symmetry related transformations.
12814 2006-02-14 Roger Sayle <roger@eyesopen.com>
12816 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12819 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12821 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12823 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12826 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12827 support COMDAT group.
12828 * configure: Regenerate.
12830 2006-02-14 Roger Sayle <roger@eyesopen.com>
12832 PR middle-end/26279
12833 PR middle-end/26280
12834 PR middle-end/26283
12835 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12837 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12839 Fix PR tree-optimization/26260
12841 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12843 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12844 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12845 * tree-ssa-structalias.c (create_variable_info_for): Use
12846 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12848 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12850 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12852 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12853 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12854 of the ending condition.
12855 * tree-ssa-loop-manip.c: Include params.h.
12856 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12857 tree_unroll_loop): New functions.
12858 * tree-pass.h (pass_loop_prefetch): Declare.
12859 * loop.c (rest_of_handle_loop_optimize): Test for
12860 -fprefetch-loop-arrays-rtl.
12861 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12862 * timevar.def (TV_TREE_PREFETCH): New timevar.
12863 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12864 pass_loop_prefetch): New.
12865 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12866 (cleanup_tree_cfg_loop): Call scev_reset.
12867 * common.opt (fprefetch-loop-arrays-rtl): Add.
12868 * tree-ssa-loop-prefetch.c: New file.
12869 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12870 (new_temp_expr_table): Initialize expr_vars.
12871 (free_temp_expr_table): Cleanup expr_vars.
12872 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12873 expressions from being merged into one.
12874 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12875 (struct tree_niter_desc): Add control, bound and cmp fields.
12876 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12878 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12879 (tree-cfgcleanup.o): Add SCEV_H dependency.
12880 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12881 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12883 2006-02-14 Richard Guenther <rguenther@suse.de>
12885 PR tree-optimization/26258
12886 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12887 in PHI argument processing.
12889 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12891 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12892 new expression in the requested machine mode.
12894 2006-02-13 Roger Sayle <roger@eyesopen.com>
12896 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12897 directly, instead let do_compare_rtx_and_jump handle this for us.
12898 * expr.c (expand_expr_real_1): Likewise.
12899 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12900 before do_jump_by_parts_greater.
12901 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12902 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12904 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12906 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12908 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12910 PR rtl-optimization/26235
12911 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12912 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12915 2006-02-13 Jeff Law <law@redhat.com>
12917 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12920 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12922 PR middle-end/26092
12923 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12924 twice if decl is a builtin. When trying again, call get_callee_fndecl
12925 first to verify it is still a builtin.
12927 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12929 * dwarf2out.c (base_type_die): Don't add AT_name here.
12930 (subrange_type_die): Don't add AT_name here.
12931 (modified_type_die): Rearrange code flow. Do add AT_name here.
12933 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12935 PR rtl-optimization/26247
12936 PR rtl-optimization/26248
12937 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12939 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12941 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12942 * config/fixtfdi.c: Likewise.
12943 * config/fixunstfdi.c: Likewise.
12944 * config/floatditf.c: Likewise.
12946 2006-02-13 Roger Sayle <roger@eyesopen.com>
12948 PR middle-end/24427
12949 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12950 into (X,C2) if C1 is a subset of the bits of C2. Transform
12951 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12953 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12955 2006-02-13 Josh Conner <jconner@apple.com>
12958 * varasm.c (function_section): Check for section name before
12959 calling select_section on targets that define
12960 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12961 unlikely_text_section instead of hot_function_section if
12962 first_function_block_is_cold.
12964 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12966 PR middle-end/25335
12967 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12969 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12971 PR rtl-optimization/26222
12972 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12973 after tree->rtl expansion.
12974 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12975 before passing it to emit_move_insn.
12977 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12979 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12981 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12982 Clarify documentation.
12983 * c-common.h (warn_write_strings): Remove.
12984 * c-common.c (warn_write_strings): Likewise.
12985 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12988 2006-02-12 Roger Sayle <roger@eyesopen.com>
12990 PR middle-end/25724
12991 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12992 (do_jump_parts_zero_rtx): New function renamed from
12993 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12994 (do_jump_parts_equality_rtx): New function split out from
12995 do_jump_parts_equality. Old implementation renamed as above.
12996 Call do_jump_parts_zero_rtx if either operand is zero.
12997 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12998 do all of the heavy lifting.
12999 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13000 calling either do_jump_by_parts_greater_rtx or
13001 do_jump_by_parts_equality_rtx.
13002 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13003 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13004 moved to do_compare_rtx_and_jump, call it directly.
13005 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13006 mode argument. Call do_compare_rtx_and_jump.
13007 (emit_case_nodes): Update calls to do_jump_if_equal.
13009 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13011 PR rtl-optimization/26225
13012 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13014 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13016 PR rtl-optimization/26232
13017 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13019 2006-02-11 Jason Merrill <jason@redhat.com>
13022 * tree-inline.c (declare_return_variable): Just don't use the
13023 modify target if it's a gimple complex reg and the return slot
13026 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13028 * doc/contrib.texi: Update my entry.
13030 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13032 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13034 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13036 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13039 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13041 * doc/invoke.texi (-floop-optimize2): Removed.
13042 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13043 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13044 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13045 * common.opt (floop-optimize2): Removed.
13046 (fmove-loop-invariants): Enabled by default.
13048 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13050 * tree-if-conv.c (combine_blocks): Free the result of
13051 get_loop_exit_edges.
13053 2006-02-10 Jeff Law <law@redhat.com>
13055 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13057 PR tree-optimization/26213
13058 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13059 loop trying to follow SSA_NAME_VALUE chains.
13061 2006-02-10 Richard Guenther <rguenther@suse.de>
13063 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13064 deal with structures that end in implicitly variable sized arrays.
13066 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13068 PR rtl-optimization/24762
13069 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13072 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13074 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13075 (struct ivopts_data): Add regs_used field.
13076 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13077 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13078 instead of loop_data->regs_used;
13079 (free_loop_data): Do not free aux fields for loops.
13080 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13081 and tree_ssa_iv_optimize_finalize.
13083 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13085 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13087 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13090 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13091 computing the effective result type.
13093 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13095 PR inline-asm/16194
13096 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13097 (tree_overlaps_hard_reg_set): Declare.
13098 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13099 type and signature to match function type expected by walk_tree.
13100 (tree_overlaps_hard_reg_set): New function.
13101 (decl_conflicts_with_clobbers_p): Rename to:
13102 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13103 Use tree_overlaps_hard_reg_set. Changed caller.
13104 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13105 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13106 * cris.c (cris_md_asm_clobbers): Likewise.
13108 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13110 * reload1.c (emit_input_reload_insns): Delete code that tries to
13111 inherit using find_equiv_reg.
13113 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13115 * c-common.h (flag_const_strings): Don't declare.
13116 * c-common.c (flag_const_strings): Remove.
13117 * c.opt (fconst_strings): Remove.
13118 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13119 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13120 (c_common_init_options): Don't set flag_const_strings.
13121 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13123 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13125 * arm.md (tlobits_cbranch): New pattern.
13126 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13127 testing a single bit.
13129 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13132 * tree-ssa-pre.c (create_component_ref_by_pieces):
13133 Handle RETURN_DECL like VAR_DECL.
13135 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13137 PR middle-end/26134
13138 * fold-const.c (fold_indirect_ref_1): Fold
13139 "*(foo *)&complexfoo" to "__real__ complexfoo"
13140 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13142 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13144 * tree-flow-inline.h (var_can_have_subvars):
13145 Volatile variables should not have subvariables.
13147 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13150 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13151 multiplying unsigned values.
13154 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13156 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13158 2006-02-08 Jason Merrill <jason@redhat.com>
13161 * tree.def: Elaborate on difference from MODIFY_EXPR.
13162 * doc/c-tree.texi (INIT_EXPR): Likewise.
13163 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13164 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13165 (gimplify_target_expr): Likewise.
13166 (gimplify_cond_expr): Remove target handling.
13167 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13168 (gimplify_expr): Clobber it here.
13169 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13170 Do return slot optimization if we have an INIT_EXPR.
13173 * tree-inline.c (declare_return_variable): Also clear
13174 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13177 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13179 PR middle-end/22439
13180 * gimplify.c (gimplify_one_sizepos): Fix typo.
13182 2006-02-08 Jeff Law <law@redhat.com>
13184 PR tree-optimization/21417
13185 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13186 across a backedge if the control statement at the end of the
13187 block is data dependent on other statements in the same block.
13188 (record_temporary_equivalences_from_stmts): Remove over-conservative
13189 test for threading across backedges.
13191 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13192 control statement, handle all three special cases in the same
13193 manner as they all have the same desired solution. No longer
13194 special case edge flag updating when the post dominator is
13197 2006-02-08 Roger Sayle <roger@eyesopen.com>
13199 * tree.def (CHAR_TYPE): Remove.
13200 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13201 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13202 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13203 (gen_string_type_die): Delete unreachable function.
13205 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13206 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13207 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13208 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13209 * builtins.c (type_to_class): Likewise.
13210 * fold-const.c (fold_convert, build_range_check,
13211 merge_ranges): Likewise.
13212 * expr.c (count_type_elements): Likewise.
13213 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13214 * stor-layout.c (layout_type): Likewise.
13215 * ipa-type-escape.c (type_to_consider): Likewise.
13216 * gimplify.c (omp_firstprivatize_type_sizes,
13217 gimplify_type_sizes): Likewise.
13218 * explow.c (promote_mode): Likewise.
13219 * tree-sra.c (is_sra_scalar_type): Likewise.
13220 * varasm.c (output_constant): Likewise.
13221 * tree-inline.c (remap_type_1): Likewise.
13222 * convert.c (convert_to_pointer, convert_to_real,
13223 convert_to_integer, convert_to_complex): Likewise.
13225 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13227 * df-scan.c (df_def_record_1): A set destination may
13228 be a parallel regardless of mode.
13230 2006-02-08 Roger Sayle <roger@eyesopen.com>
13233 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13234 * config/mips/_tilib.c: Remove.
13235 * config/fixtfdi.c: New libgcc source file.
13236 * config/fixunstfdi.c: New source file.
13237 * config/floatditf.c: New source file.
13238 * config/floatunditf.c: New souce file.
13239 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13240 files above instead of config/mips/_tilib.c.
13241 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13243 2006-02-08 Jeff Law <law@redhat.com>
13245 PR tree-optimization/26169
13246 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13249 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13251 * df.h (DF_REG_SIZE): Return the length of the initialized
13254 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13256 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13257 __muldf3): Return a correctly signed zero.
13259 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13261 * passes.c (register_one_dump_file): Accept the current properties
13262 instead of pass number. Adjust call to dump_register. Remove
13264 (register_dump_files): Now a wrapper around...
13265 (register_dump_files_1): ... this one. Do not modify the pass
13267 (next_pass_1): Cosmetic fix.
13268 (execute_todo): Keep second parameter only. Use curr_properties
13269 instead of fetching it from the pass structure. Check and set
13271 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13272 instead of fetching it from the pass structure. Fix calls to
13273 execute_todo. Update curr_properties and initialize .vcg RTL dump
13274 after running the pass. Reset last_verified.
13275 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13277 (FIRST_AUTO_NUMBERED_DUMP): New.
13278 (dump_register): Remove "num" parameter, assign it within the
13280 (get_dump_file_name): Modify template for dumps.
13281 * tree-dump.h (dump_register): Adjust prototype.
13282 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13283 (PROP_trees): Add PROP_gimple_lomp.
13284 (TODO_set_props): New.
13285 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13286 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13287 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13289 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13291 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13292 (sparc64-*-linux*): Likewise.
13293 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13294 * config/sparc/t-linux: New file.
13295 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13296 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13297 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13298 -m32 -mlong-double-128.
13300 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13301 * config/alpha/t-linux: New file.
13302 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13304 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13305 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13306 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13307 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13308 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13309 (CPP_ARCH32_SPEC): Remove.
13311 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13313 PR tree-optimization/26145
13314 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13317 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13320 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13321 >= 240000 when generating code for SOM runtime.
13322 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13323 to $$dyncall when generating code for SOM runtime..
13325 2006-02-07 Dirk Mueller <dmueller@suse.com>
13328 * doc/invoke.texi (-Wsequence-point): Update documentation
13329 that -Wsequence-point is implemented for C++ as well.
13331 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13333 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13334 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13335 (LIB_SPEC): Likewise.
13336 * doc/invoke.texi (SPARC options): Document -pthread.
13338 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13340 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13343 2006-02-07 Roger Sayle <roger@eyesopen.com>
13345 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13346 Correct comment describing BOOLEAN_TYPE.
13348 2006-02-07 Dirk Mueller <dmueller@suse.com>
13350 * c.opt: C++ frontend supports -Wdiv-by-zero.
13351 * c-opts.c (c_common_handle_option): Remove dead case.
13353 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13355 * configure.ac (TLS assembler check): Do not enable TLS by
13356 default on SPARC/Solaris before version 10.
13357 * configure: Regenerate.
13359 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13361 * doc/invoke.texi (xl-compat): Document conversion and support
13364 2006-02-07 Jeff Law <law@redhat.com>
13366 * tree-vrp.c (find_conditional_asserts): Update comments.
13367 (simplify_stmt_for_jump_threading): New.
13368 (identify_jump_threads, finalize_jump_threads): New.
13369 (vrp_finalize): Call identify_jump_threads.
13370 (execute_vrp): Call finalize_jump_threads.
13371 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13372 (vrp_element, vrp_data, vrp_element_p): Remove.
13373 (vrp_hash_elt, vrp_variables_stack): Remove.
13374 (vrp_hash, vrp_eq, record_range): Remove.
13375 (simplify_cond_and_lookup_avail_expr): Remove.
13376 (extract_range_from_cond): Remove.
13377 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13378 (simplify_stmt_for_jump_threading): New.
13379 (dom_thread_across_edge): New wrapper.
13380 (tree_ssa_dominator_optimize): No longer initialize or
13381 finalize any of the VRP datastructures. Remove iteration
13382 step and simplify as a result of removal of iteration step.
13383 (pass_dominator): Perform a cfg cleanup after DOM.
13384 (dom_opt_finalize_block): Use the new common routines
13385 for threading jumps. Simplify stack management slightly.
13386 No longer need to unwind VRP state.
13387 (record_equivalences_from_incoming_edge): No longer record
13389 (eliminate_redundant_computations): No longer call
13390 simplify_cond_and_lookup_avail_expr.
13391 * tree-flow.h (potentially_threadable_block): Prototype.
13392 (thread_across_edge): Likewise.
13393 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13394 (tree-ssa-threadedge.o): Add dependencies.
13395 * tree-ssa-threadedge.c: New file.
13396 * passes.c (init_optimization_passes): Merge PHIs before
13397 calling VRP. Run VRP again late in the SSA optimization pipeline.
13399 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13401 * df-core.c (df_set_blocks): Do not dereference function pointers.
13402 (df_finish1): Likewise.
13403 (df_hybrid_search_forward): Likewise.
13404 (df_hybrid_search_backward): Likewise.
13405 (df_iterative_dataflow): Likewise.
13406 (df_analyze_problem): Likewise.
13407 (df_compact_blocks): Likewise.
13408 (df_dump): Likewise.
13409 * df-scan.c (df_rescan_blocks): Likewise.
13410 (df_record_entry_block_defs): Likewise.
13412 * genconditions.c (write_conditions): Guard the definition of
13413 'insn_conditions' with the check on GCC version.
13414 (write_writer): Guard the traversal 'insn_conditions' with
13415 the check on GCC version.
13417 2006-02-07 Richard Guenther <rguenther@suse.de>
13421 2006-01-30 Richard Guenther <rguenther@suse.de>
13423 * gimplify.c (gimplify_target_expr): Handle easy cases
13424 without creating a temporary.
13426 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13428 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13429 use of float in probability computations. Use edge probabilities
13430 in place of statically computed probabilities.
13431 (min_spec_prob): New static variable.
13432 (schedule_insns): Initialize it.
13433 (GET_SRC_PROB): Removed.
13434 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13436 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13439 * config/ia64/unwind-ia64.c: Revert last change.
13440 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13441 (INCOMING_FRAME_SP_OFFSET): Define.
13443 2006-02-06 Roger Sayle <roger@eyesopen.com>
13445 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13447 2006-02-07 Ben Elliston <bje@au.ibm.com>
13449 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13450 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13451 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13452 (ix86_return_in_memory): Handle TDmode.
13453 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13454 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13456 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13458 * reorg.c (dbr_schedule): Use dump_file instead of file.
13460 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13463 * config/ia64/predicates.md (extr_len_operand): New predicate.
13464 * config/ia64/ia64.md (extv): Tighten constraints.
13466 (*tbit_and_2): Ditto.
13467 (*tbit_and_3): Ditto.
13468 (*tbit_or_2): Ditto.
13469 (*tbit_or_3): Ditto.
13470 (*bit_zero): Ditto.
13473 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13476 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13478 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13480 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13481 loop_optimizer_init and loop_optimizer_finalize
13482 * tree-ssa-sink.c (execute_sink_code): Ditto.
13483 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13484 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13485 tree_ssa_loop_done): Ditto.
13486 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13487 * sched-ebb.c: Include output.h.
13488 (schedule_ebbs): Do not use dump argument.
13489 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13490 * loop.c (loop_dump_stream): Removed.
13491 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13493 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13494 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13495 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13496 loop_iterations, strength_reduce, record_biv, record_giv,
13497 final_giv_value, check_final_value, check_ext_dependent_givs,
13498 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13499 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13500 dump_file instead of loop_dump_stream.
13501 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13502 argument dump_file.
13503 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13505 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13506 * haifa-sched.c: Include output.h
13507 (schedule_insns, sched_init): Do not use dump argument.
13508 * mode-switching.c (optimize_mode_switching): Ditto.
13509 * modulo-sched.c (stats_file): Removed.
13510 (print_node_sched_params): Do not call argument dump_file.
13511 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13512 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13514 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13516 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13517 rtl_loop_init, rtl_loop_done): Ditto.
13518 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13519 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13521 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13522 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13523 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13524 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13525 * emit-rtl.c (renumber_insns): Ditto.
13526 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13527 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13528 * regclass.c (regclass): Ditto.
13529 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13530 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13531 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13532 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13534 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13535 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13537 * gcse.c (gcse_file, debug_stderr): Removed.
13538 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13539 rest_of_handle_gcse): Do not use dump argument.
13540 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13541 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13542 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13543 compute_code_hoist_vbeinout, compute_code_hoist_data,
13544 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13545 compute_store_table, build_store_vectors, insert_insn_start_bb,
13546 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13547 store_motion): Use dump_file instead of gcse_file.
13548 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13549 * profile.c (profile_dump_file): Removed.
13550 (branch_prob): Use dump_file instead of profile_dump_file.
13551 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13553 * tree-ssa-copy.c (dump_copy_of): Ditto.
13554 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13555 dump file to life_analysis.
13556 * bt-load.c (branch_target_load_optimize): Ditto.
13557 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13559 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13560 regclass, dbr_schedule): Declaration changed.
13561 * sched-int.h (sched_init): Declaration changed.
13562 * tree-profile.c (tree_profile_dump_file): Removed.
13563 (tree_profile_hooks): Removed profile_dump_file hook.
13564 * rtl-profile (rtl_profile_dump_file): Removed.
13565 (rtl_profile_hooks): emoved profile_dump_file hook.
13566 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13568 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13569 * tree-cfg.c (build_tree_cfg): Ditto.
13570 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13571 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13572 Declaration changed.
13573 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13574 life_analysis and schedule_insns.
13575 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13577 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13579 * config/mips/mips.c (mips_reorg): Ditto.
13580 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13583 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13585 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13586 (s390_mangle_fundamental_type): New.
13587 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13590 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13591 (alpha_mangle_fundamental_type): New.
13592 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13595 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13597 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13599 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13600 (sparc_mangle_fundamental_type): New.
13602 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13604 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13605 (s390x-*-linux*): Likewise.
13606 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13607 * config/s390/t-linux: New file.
13609 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13611 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13612 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13614 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13616 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13617 (ANTIC_SAFE_LOADS): New macro.
13618 (find_or_generate_expression): Add prototype.
13619 (set_contains_value): Allow null set for sake of not always having
13620 to allocate ANTIC_SAFE_LOADS.
13621 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13622 Allow COMPONENT_REF too.
13623 (valid_in_set): Allow COMPONENT_REF.
13624 Check ANTIC_SAFE_LOADS too.
13625 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13626 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13628 (can_PRE_operation): Add COMPONENT_REF.
13629 (create_component_ref_by_pieces): New function.
13630 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13631 (insert_aux): Move AGGREGATE_TYPE_P check here.
13632 (compute_avail): Set bb local stmt uids.
13633 (pass_pre): Use TODO_update_ssa_only_virtuals.
13635 2006-02-06 Ben Elliston <bje@au.ibm.com>
13637 * configure.ac: Unconditionally disable decimal float by default.
13638 * configure: Regenerate.
13640 2006-02-06 Ben Elliston <bje@au.ibm.com>
13642 * read-rtl.c (read_name): Terminate reading on EOF.
13644 2006-02-06 Ben Elliston <bje@au.ibm.com>
13646 * dfp.c (decimal_real_arithmetic): Change second argument type
13647 from int to enum tree_code. Do not always return true, but now
13648 return result of any call to decimal_do helper functions.
13649 * dfp.h (decimal_real_arithmetic): Update prototype.
13651 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13653 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13655 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13658 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13661 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13663 * tree-vrp.c (cfg_loops): Removed.
13664 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13665 Use current_loops instead of cfg_loops. Pass flags to
13666 loop_optimizer_init.
13667 * cfgloopmanip.c (fix_loop_structure): Update only available
13669 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13670 loop_optimizer_init.
13671 * modulo-sched.c (build_loops_structure): Removed.
13672 (sms_schedule): Use loop_optimizer_init.
13673 * loop-init.c (loop_optimizer_init): Use flags to determine
13674 which properties of loops to prepare.
13675 (rtl_loop_init): Pass flags to loop_optimizer_init.
13676 * tree-ssa-sink.c (execute_sink_code): Ditto.
13677 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13678 * tree-ssa-pre.c (init_pre): Ditto.
13679 * cfgloop.h (LOOPS_NORMAL): New.
13680 (loop_optimizer_init): Declaration changed.
13682 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13684 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13685 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13687 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13689 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13691 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13692 * pa/t-pa64: Delete quadlib.c rule.
13693 * pa/x-ada: Revert last change.
13694 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13696 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13698 PR rtl-optimization/26087
13699 * rtlanal.c (canonicalize_condition): Do not cross basic block
13702 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13705 * config/ia64/ia64.c: Include debug.h.
13706 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13707 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13708 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13709 (process_epilogue, process_set, process_for_unwind_directive):
13710 Output unwind info only if requested. Add CFA info if requested.
13711 Add new arguments as needed. Adjust callers.
13712 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13714 (DWARF2_FRAME_INFO): Define to zero.
13715 * config/ia64/unwind-ia64.c: Remove code that compensated for
13716 the CFA offset error fixed above.
13717 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13718 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13719 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13720 -funwind-tables and -fexceptions to enable frame info.
13721 (dwarf2out_frame_init): Define initial CFA even if
13722 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13723 DWARF2_UNWIND_INFO is nonzero, not just defined.
13724 (dwarf2out_frame_finish): Output non-EH call frame info only
13725 if DWARF2_FRAME_INFO is nonzero.
13726 (convert_cfa_to_loc_list,
13727 compute_frame_pointer_to_cfa_displacement): Define even if
13728 unwind info is not supported.
13729 (gen_subprogram_die): Use the above unconditionally. Remove
13730 legacy alternate code.
13731 * toplev.c (compile_file): Compile in call to
13732 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13733 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13735 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13736 Jakub Jelinek <jakub@redhat.com>
13738 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13739 IBM extended float format long double as "g" on powerpc*-linux.
13741 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13744 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13745 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13747 2006-02-03 Jason Merrill <jason@redhat.com>
13750 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13752 PR middle-end/25977
13753 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13754 on the return slot if it's an NRV.
13756 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13758 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13759 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13760 rewrite_use): Do not handle USE_OUTER.
13761 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13762 add_iv_outer_candidates, may_replace_final_value,
13763 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13764 (find_interesting_uses_op): Functionality of
13765 find_interesting_uses_outer_or_nonlin moved here.
13766 (find_interesting_uses_outside): Use find_interesting_uses_op.
13768 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13771 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13773 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13774 Ulrich Weigand <uweigand@de.ibm.com>
13777 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13778 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13779 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13780 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13782 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13783 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13784 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13785 Define secondary reloads for TFmode moves.
13786 (constant_modes): Add TFmode.
13787 (NR_C_MODES): Set to 8.
13788 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13790 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13791 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13792 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13793 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13794 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13795 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13796 (FPR mode macro): Add TFmode.
13797 (DSF mode macro): New.
13798 (<de>, <dee> mode attributes): Removed.
13799 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13800 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13801 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13802 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13803 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13804 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13805 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13806 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13807 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13808 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13809 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13810 "*negabs<mode>2", "sqrt<mode>2"):
13811 Changed <de> to <xde>. R constraint replaced by <Rf>.
13812 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13814 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13815 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13816 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13818 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13819 "extenddftf2", "extendsftf2"): New expanders.
13820 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13821 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13822 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13823 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13825 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13826 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13827 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13828 __floatditf): Add a GCC_4.1.0 symbol version tag.
13829 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13832 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13835 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13836 Use targetm.binds_local_p instead of TREE_PUBLIC.
13838 2006-02-02 Roger Sayle <roger@eyesopen.com>
13840 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13841 on INTEGER_TYPEs to indicate that it denotes a character type.
13842 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13843 signed_char_type_node, unsigned_char_type_node and char_type_node.
13844 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13845 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13846 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13848 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13849 Daniel Berlin <dberlin@dberlin.org>
13851 * tree-tailcall.c (arg_needs_copy_p): New function.
13852 (eliminate_tail_call): Use arg_needs_copy_p.
13853 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13854 (add_virtual_phis): New function.
13856 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13858 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13859 #ignore instead of #scratch for %g7 .register directive.
13861 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13863 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13866 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13868 * flow.c (calculate_global_regs_live): Assert that there aren't any
13871 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13873 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13874 what its name says.
13875 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13876 bsi_after_labels iterator.
13877 * tree-if-conv.c (find_phi_replacement_condition,
13878 replace_phi_with_cond_modify_expr): Likewise.
13879 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13880 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13882 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13884 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13886 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13889 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13890 array after growing it.
13892 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13894 PR middle-end/24901
13895 * fold-const.c (fold_checksum_tree): Change type of buf.
13897 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13899 * reload.c (push_secondary_reload): Initialize t_icode.
13901 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13903 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13904 -msoft-float -mlong-double-128 only issue a warning, but don't
13905 swich to DFmode long double.
13907 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13909 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13910 has a constant equivalent, iterate over equivalents for arg0,
13911 calling simplify_relational_operation and if there's a result
13912 cheaper than X, apply fold_rtx and return the result.
13914 2006-02-01 Jan Hubicka <jh@suse.cz>
13916 * opts.c (no_unit_at_a_time_default): New global variable.
13917 (decode_options): Use it.
13918 * opts.h (no_unit_at_a_time_default): Declare.
13920 2006-02-01 Paul Brook <paul@codesourcery.com>
13922 * function.c (assign_parm_setup_reg): Use function argument promotion
13924 * expr.c (expand_expr_real_1): Use function argument promotion rules
13927 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13929 * gcc.c (process_command): Change j to 'unsigned int'.
13931 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13933 PR middle-end/26001
13934 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13935 Use the corrected index for the character
13936 out of the string constant.
13938 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13940 * mode-switching.c (optimize_mode_switching): Fix size
13941 allocated for bb_info[n_entities].
13943 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13945 * gcc.c (main): Correct type that is allocated for
13946 explicit_link_files.
13948 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13950 * config/s390/s390.c (init_alignment_context): Set
13951 ALIAS_SET_MEMORY_BARRIER on the MEM.
13952 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13954 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13956 PR middle-end/25933
13957 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13959 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13962 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13964 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13965 * regrename.c: Ditto.
13966 * tree-ssa-loop-im.c: Ditto.
13967 * tree-dump.c: Ditto.
13968 * tree-complex.c: Ditto.
13969 * genrecog.c: Ditto.
13970 * tree-ssa-threadupdate.c: Ditto.
13972 * java/class.c: Ditto.
13973 * java/jcf-parse.c: Ditto.
13974 * java/resource.c: Ditto.
13975 * java/except.c: Ditto.
13976 * java/jvspec.c: Ditto.
13977 * java/jcf-write.c: Ditto.
13978 * java/jcf-path.c: Ditto.
13979 * java/gjavah.c: Ditto.
13980 * java/zextract.c: Ditto.
13981 * java/jcf-io.c: Ditto.
13982 * java/jcf.h: Ditto.
13983 * java/buffer.c: Ditto.
13984 * java/lang.c: Ditto.
13985 * java/parse-scan.y: Ditto.
13986 * java/lex.c: Ditto.
13987 * java/lex.h: Ditto.
13988 * cfgloopmanip.c: Ditto.
13989 * postreload-gcse.c: Ditto.
13990 * tree-ssa-loop-manip.c: Ditto.
13991 * postreload.c: Ditto.
13992 * tree-ssa-loop-ch.c: Ditto.
13995 * cppspec.c: Ditto.
13996 * diagnostic.c: Ditto.
13998 * genoutput.c: Ditto.
14000 * cfghooks.c: Ditto.
14001 * cfgloopanal.c: Ditto.
14002 * objc/objc-act.c: Ditto.
14004 * genextract.c: Ditto.
14005 * genautomata.c: Ditto.
14006 * pretty-print.c: Ditto.
14007 * genemit.c: Ditto.
14008 * cgraphunit.c: Ditto.
14010 * df-scan.c: Ditto.
14011 * haifa-sched.c: Ditto.
14012 * dominance.c: Ditto.
14014 * tree-ssa-loop-ivopts.c: Ditto.
14015 * df-core.c: Ditto.
14016 * mode-switching.c: Ditto.
14017 * modulo-sched.c: Ditto.
14019 * ipa-pure-const.c: Ditto.
14021 * fix-header.c: Ditto.
14023 * tree-stdarg.c: Ditto.
14024 * ipa-utils.c: Ditto.
14025 * loop-init.c: Ditto.
14026 * ipa-inline.c: Ditto.
14027 * cfganal.c: Ditto.
14029 * alloc-pool.c: Ditto.
14030 * dwarf2out.c: Ditto.
14032 * genattrtab.c: Ditto.
14033 * tree-ssa-loop-ivcanon.c: Ditto.
14034 * predict.c: Ditto.
14035 * timevar.c: Ditto.
14037 * fortran/gfortranspec.c: Ditto.
14038 * regmove.c: Ditto.
14039 * local-alloc.c: Ditto.
14040 * langhooks.c: Ditto.
14041 * function.c: Ditto.
14042 * tree-vectorizer.c: Ditto.
14044 * ipa-type-escape.c: Ditto.
14046 * tree-if-conv.c: Ditto.
14047 * profile.c: Ditto.
14049 * tree-data-ref.c: Ditto.
14050 * loop-unroll.c: Ditto.
14051 * treelang/treetree.c: Ditto.
14053 * bt-load.c: Ditto.
14054 * ggc-common.c: Ditto.
14056 * coverage.c: Ditto.
14058 * tree-cfgcleanup.c: Ditto.
14059 * tree-ssa-pre.c: Ditto.
14060 * cfgcleanup.c: Ditto.
14061 * loop-invariant.c: Ditto.
14062 * loop-iv.c: Ditto.
14063 * ipa-prop.c: Ditto.
14064 * print-tree.c: Ditto.
14065 * conflict.c: Ditto.
14066 * ggc-page.c: Ditto.
14067 * sched-deps.c: Ditto.
14068 * regclass.c: Ditto.
14069 * tree-object-size.c: Ditto.
14070 * combine.c: Ditto.
14071 * bb-reorder.c: Ditto.
14072 * resource.c: Ditto.
14073 * var-tracking.c: Ditto.
14074 * cfgloop.c: Ditto.
14075 * df-problems.c: Ditto.
14076 * reg-stack.c: Ditto.
14078 * gccspec.c: Ditto.
14079 * sched-rgn.c: Ditto.
14080 * tree-ssa-structalias.c: Ditto.
14081 * tree-ssa-reassoc.c: Ditto.
14082 * config/darwin-c.c: Ditto.
14083 * config/darwin.c: Ditto.
14084 * config/arm/arm.c: Ditto.
14086 * collect2.c: Ditto.
14087 * reload1.c: Ditto.
14089 2006-01-31 Nicolas Pitre <nico@cam.org>
14091 * arm.md (smaxsi3): Make aware of smax_m1.
14094 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14096 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14098 2006-01-31 Richard Guenther <rguenther@suse.de>
14100 * doc/invoke.texi (-msselibm): Document.
14101 * target.h (expand_library_builtin): New target hook.
14102 * builtins.c (expand_builtin): Use expand_library_builtin.
14103 (default_expand_library_builtin): New function.
14104 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14105 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14106 (link_gcc_math_spec): Declare.
14107 (static_specs): Add link_gcc_math_spec.
14108 * expr.h (default_expand_library_builtin): Declare.
14109 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14110 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14111 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14112 * config/i386/i386.opt (msselibm): New target option.
14113 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14114 (ix86_init_sse_abi_builtins): New function.
14115 (ix86_expand_library_builtin): Likewise.
14116 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14117 (override_options): Handle error conditions wrt -msselibm.
14118 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14119 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14120 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14123 2006-01-31 Richard Guenther <rguenther@suse.de>
14124 Paolo Bonzini <bonzini@gnu.org>
14126 * doc/install.texi (--disable-libgcc-math): Document.
14128 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14130 * expr.h (expand_normal): new inline function.
14131 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14132 * dojump.c: use it.
14133 * dwarf2out.c: use it.
14136 * expmed.c: use it.
14137 * except.c: use it.
14138 * config/sparc/sparc.c: use it.
14139 * config/i386/i386.c: use it.
14140 * config/rs6000/rs6000.c: use it.
14141 * config/arm/arm.c: use it.
14142 * config/mips/mips.c: use it.
14143 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14145 2006-01-30 Roger Sayle <roger@eyesopen.com>
14147 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14148 argv to the appropriate type.
14150 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14152 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14155 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14158 * config/s390/s390.c (struct machine_function): New flag
14159 decomposed_literal_pool_addresses_ok_p.
14160 (s390_reorg): Set it before final stage of literal pool transforms.
14161 (s390_decompose_address): Only accept displacements of the form
14162 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14164 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14166 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14167 the comparison routine return.
14169 2006-01-30 Michael Matz <matz@suse.de>
14171 * global.c (find_reg): Only evict for global regs.
14172 Take n_refs into account and dump more info.
14174 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14177 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14178 (pragma_trap, pragma_nosave_low_regs): Likewise.
14179 (current_function_anonymous_args): Likewise.
14180 (sh_deferred_function_attributes): New variable.
14181 (sh_deferred_function_attributes_tail): Likewise.
14182 (print_operand): For '@', look up trap_exit attribute.
14183 (calc_live_regs): Look up trapa_handler attribute. For trapa
14184 handlers, save/restore fpscr, but don't do any other
14185 interrupt-specific saves.
14186 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14187 Fix check for partially saved registers to check for SHmedia.
14188 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14189 (sh_output_function_epilogue): Don't clear any of the removed
14191 (sh_insert_attributes): Don't check pragma_interrupt.
14192 Insert deferred attributes. Check that interrupt attribute is
14193 present for other attributes that require its presence.
14194 (sh_attribute_table): Add new attributes trapa_handler and
14196 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14197 Don't check for pragma_interrupt. Don't store argument.
14198 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14199 (sh_deferred_function_attributes): Declare.
14200 (sh_deferred_function_attributes_tail): Likewise.
14201 * sh.md (sp_switch_1): Add operand. Change generator caller.
14202 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14203 (*return_i): Don't use when trap_exit attribute is in effect.
14204 (*return_trapa): New insn pattern.
14205 * sh-c.c: New file.
14206 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14207 setting c_target_objs and cxx_target_objs.
14208 * t-sh: Add rule for sh-c.o.
14210 2006-01-30 Richard Guenther <rguenther@suse.de>
14213 * gimplify.c (gimplify_target_expr): Handle easy cases
14214 without creating a temporary.
14216 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14218 * vec.h (safe_grow): Remove duplicated line.
14220 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14223 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14224 (expand_omp): ... here.
14225 (expand_omp_parallel): Only remove barriers for combined
14226 parallel+workshare constructs.
14228 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14232 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14233 * tree.c (build_qualified_type): Chain the new type to the original
14234 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14235 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14236 (build_pointer_type_for_mode): Only return unqualified types.
14237 (build_reference_type_for_mode): Likewise.
14239 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14241 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14242 * Makefile.in (CXX_COMPAT_WARN): Define.
14243 * configure: Regenerate.
14245 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14248 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14251 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14253 * toplev.c: Fix thinko.
14255 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14256 Marcin Dalecki <martin@dalecki.de>
14258 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14259 (push_srcloc): Use XNEW.
14260 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14262 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14264 * df-core.c (df_set_blocks): Deleted all variable.
14266 2006-01-28 Ian Lance Taylor <ian@airs.com>
14268 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14269 cgraph_output_pending_asms.
14271 2006-01-28 Zack Weinberg <zackw@panix.com>
14273 * c.opt: Add -W(no-)overlength-strings.
14274 * doc/invoke.texi: Document it.
14275 * c-opts.c (c_common_handle_option): -pedantic implies
14276 -Woverlength-strings, if not explicitly disabled already.
14277 (c_common_post_options): -Woverlength-strings defaults to off, and
14278 is always off for C++.
14279 * c-common.c (fix_string_type): Issue warning about strings longer
14280 than is portable only if warn_overlength_strings. Rearrange code
14281 a little for clarity.
14282 * configure.in: Check for -Wno-overlength-strings as well before
14283 enabling -pedantic in stage 1.
14284 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14285 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14287 * genconditions.c (write_header, write_one_condition)
14288 (write_conditions, write_writer): Consolidate very long strings
14289 that were broken up to fit in C89 portable limit. Don't use
14290 printf when fputs will do.
14292 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14294 * combine.c (simplify_comparison <AND>): Check
14295 TRULY_NOOP_TRUNCATION before start using a subreg.
14297 * config/mips/mips.md (*branch_zero<mode>,
14298 *branch_zero<mode>_inverted, *branch_equality<mode>,
14299 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14300 Remove mode check from comparisons.
14302 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14304 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14306 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14308 * expmed.c (const_mult_add_overflow_p): Remove.
14309 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14311 * recog.c (validate_replace_rtx_subexp): Remove.
14312 * recog.h: Remove the prototype for
14313 validate_replace_rtx_subexp.
14315 * integrate.h: Remove the prototype for
14316 copy_decl_for_inlining.
14317 * rtl.h: Remove the prototype for mark_constant_function.
14318 * tree-vectorizer.h: Remove the prototype for
14319 vect_strip_conversion.
14321 * modulo-sched.c (create_partial_schedule,
14322 free_partial_schedule, reset_partial_schedule): Make them
14325 * hooks.c (hook_bool_rtx_int_false): Remove.
14326 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14328 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14330 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14331 and -mlong-double-128 are incompatible.
14332 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14333 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14334 (TARGET_LIBGCC2_CFLAGS): Define.
14335 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14336 (TARGET_LIBGCC2_CFLAGS): Same.
14337 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14339 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14342 * c-typeck.c (build_binary_op): Perform implicit casts of
14343 operands before shortening them.
14345 * cfgloopmanip.c (split_loop_bb): Remove.
14346 * cfgloop.h: Remove the prototype for split_loop_bb.
14348 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14349 * cfgloop.h: Remove the prototype for
14350 flow_loop_outside_edge_p.
14352 * emit-rtl.c (init_virtual_regs): Make it static.
14353 * function.h: Remove the prototype for init_virtual_regs.
14355 * recog.c (peephole2_optimize): Make it static.
14356 * recog.h: Remove the prototype for peephole2_optimize.
14358 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14360 * df-scan.c (df_record_entry_block_defs): Check if
14361 INCOMING_RETURN_ADDR_RTX is defined.
14363 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14364 Kenneth Zadeck <zadeck@naturalbridge.com>
14366 PR rtl-optimization/24762
14367 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14368 * targhooks.c (hook_void_bitmap): New hook prototype.
14369 * targhoohs.h (hook_void_bitmap): Ditto.
14370 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14371 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14372 * target.h (live_on_entry): New function pointer.
14373 * df-scan.c (df_all_hard_regs): Removed.
14374 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14375 (df_scan_free_internal): Added df->entry_block_defs.
14376 (df_scan_alloc): Ditto.
14377 (df_scan_dump): Ditto.
14378 (df_uses_record): Plumbed flag field properly thru calls.
14379 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14380 This part fixes PR24762.
14381 (df_bb_refs_record): Added code to make the frame and arg
14382 pointers live in EH blocks.
14383 (df_refs_record): Added call to df_record_entry_block_defs.
14384 (df_record_entry_block_defs): New function.
14385 * df-core.c: Added comments to describe new artifical defs.
14386 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14387 (entry_block_defs): New field in struct df.
14388 (df_all_hard_regs): Deleted.
14389 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14390 * df-problems.c (df_ru_bb_local_compute_process_def):
14391 Added code to handle artifical defs in the entry to a function.
14392 (df_ru_bb_local_compute): Ditto.
14393 (df_rd_bb_local_compute_process_def): Ditto.
14394 (df_rd_bb_local_compute): Ditto.
14395 (df_lr_bb_local_compute): Ditto.
14396 (df_ur_bb_local_compute): Ditto.
14397 (df_urec_bb_local_compute): Ditto.
14398 (df_chain_create_bb): Ditto.
14399 (df_ur_local_finalize): Removed entry.
14400 (df_urec_init): Ditto.
14401 (df_urec_local_finalize): Ditto.
14402 (df_ri_bb_compute): Added detection of last use of pseudos.
14403 * Makefile.in (df-scan.o): Updated dependencies.
14404 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14405 * config/mips/mips.c (mips_set_live_on_entry): Added.
14406 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14408 * dce.c (marked_insn_p): Added code to handle artifical defs.
14410 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14412 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14414 (_mm_cvtsi128_si64): Likewise.
14415 (_mm_cvtsd_si64): Likewise.
14416 (_mm_cvttsd_si64): Likewise.
14417 (_mm_cvtsi64_sd): Likewise.
14418 (_mm_cvtsi64_si128): Likewise.
14419 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14420 (_mm_cvtsi64_m64): Likewise.
14421 (_m_to_int64): Likewise.
14422 (_mm_cvtm64_si64): Likewise.
14423 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14424 (_mm_cvttss_si64): Likewise.
14425 (_mm_cvtsi64_ss): Likewise.
14426 (_mm_cvtss_f32): Likewise.
14428 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14430 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14431 for pragma redefine_extname.
14433 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14436 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14437 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14438 -mno-minimal-toc to previous content.
14439 (bispecs): Remove goal.
14440 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14441 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14442 compatibility aliases on powerpc-*-*gnu*.
14443 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14444 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14445 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14446 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14447 (ldblspecs): New goal.
14448 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14449 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14451 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14452 L_sf_to_tf or L_df_to_tf is defined.
14454 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14455 Alan Modra <amodra@bigpond.net.au>
14458 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14459 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14460 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14461 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14462 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14463 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14464 (rs6000_override_options): Initialize rs6000_ieeequad.
14465 Initialize TFmode format to ibm_extended_format if not
14467 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14469 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14470 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14471 (function_arg_advance): IBM long double passed in two FPRs, not
14473 (function_arg): IBM long double passed in FPRs.
14474 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14475 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14476 Only multireg GPR aligned.
14477 (rs6000_init_libfuncs): Enable IBM long double functions if not
14479 (rs6000_generate_compare): Use IBM long double compare if not
14481 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14482 (TARGET_IEEEQUAD): Define.
14483 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14484 not TARGET_IEEEQUAD.
14485 * config/rs6000/rs6000.md: Enable TFmode patterns if
14487 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14488 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14489 and -mlong-double-128 are incompatible.
14490 * doc/invoke.texi (-mabi): Collect options together. Add
14491 ibmlongdouble and ieeelongdouble.
14493 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14495 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14497 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14498 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14499 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14500 * rtl.h (rtunion_def): Remove rt_ptr.
14502 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14503 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14504 * config/i386/winnt.c (i386_pe_mark_dllexport)
14505 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14507 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14509 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14511 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14515 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14516 pthread_key_delete. From John David Anglin. gthrw-ify
14517 pthread_getunique_np only if it it's not a macro. Delete
14519 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14520 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14521 __gthread_objc_condition_signal, __gthread_key_delete): Add
14522 "__attribute__ ((__unused__))" to unused arguments.
14523 (__gthread_recursive_mutex_init_function): Add missing return.
14524 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14525 gthr-posix95.h: Use macro-based approach for name redirection
14526 on targets missing weakref.
14528 2006-01-26 Zack Weinberg <zackw@panix.com>
14530 * genconditions.c (write_header): In generated code, #ifdef out
14531 all includes and fake declarations, except includes of bconfig.h
14532 and system.h, unless GCC_VERSION >= 3001. Do not include
14533 gensupport.h in any case.
14534 (write_conditions): Generate a definition of struct c_test. Add
14535 a comment to the generated #endif.
14536 (write_one_condition): Escape backslashes in string too.
14537 (write_writer): Generated code must escape backslashes and quote
14538 marks (but not newlines) in the strings it writes.
14539 * Makefile.in (build/gencondmd.o): Update dependencies.
14541 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14544 * Makefile.in (insn-automata.o): Add header file dependencies.
14545 * genautomata.c: Add includes.
14547 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14550 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14552 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14554 * configure.ac: Expect target tools paths to be passed from the toplevel
14555 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14557 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14559 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14562 * c.opt (Wpointer-sign): Init to -1.
14563 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14564 OPT_pedantic, to 0 otherwise.
14565 * doc/invoke.texi: Update.
14567 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14569 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14570 constants provided by 80387 instructions in the destination mode.
14572 2006-01-26 Richard Guenther <rguenther@suse.de>
14573 Andrew Pinski <pinskia@physics.uc.edu>
14576 partial PR tree-opt/17064
14577 * tree-ssa-structalias.c (intra_create_variable_infos):
14578 Create heap variables for incoming parameters if
14579 flag_argument_noalias > 1.
14580 (find_what_p_points_to): Look through default defs of
14583 2006-01-26 Jeff Law <law@redhat.com>
14586 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14587 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14588 within the VR_RANGE, use the VR_RANGE as the result, not the
14590 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14591 bounds for the type.
14593 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14595 * tree-ssa-alias.c (maybe_create_global_var): Change
14596 subvar walking to an assertion that we don't have subvar'd variables.
14598 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14601 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14602 Use a new variable, inner. PARM_DECLs are always non-weak.
14604 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14606 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14607 --disable-checking.
14609 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14611 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14613 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14615 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14616 (smax_insn, smin_insn, smax_0, smin_0): New.
14618 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14621 * config/cris/cris.c (cris_order_for_addsi3): New function.
14622 * config/cris/cris-protos.h: Prototype it.
14623 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14624 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14625 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14626 (split for "op.S1 [rx=rx+i],ry (swapped)")
14627 (split for "op(s|u).S1 [rx=rx+i],ry")
14628 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14629 Apply cris_order_for_addsi3 when generating addsi3 insns.
14631 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14633 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14634 (TREE_BLOCK): Add call to EXPR_CHECK.
14636 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14639 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14640 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14641 (dump_omp_clauses): ... here.
14642 (dump_generic_node): Handle OMP_CLAUSE.
14643 * tree.c (omp_clause_num_ops): New.
14644 (omp_clause_code_name): New.
14645 (tree_code_size): Handle OMP_CLAUSE.
14646 (tree_size): Likewise.
14647 (make_node): Document handling of OMP_CLAUSE.
14648 (tree_node_structure): Handle OMP_CLAUSE.
14649 (omp_clause_check_failed): New.
14650 (omp_clause_range_check_failed): New.
14651 (omp_clause_operand_check_failed): New.
14652 (build_omp_clause): New.
14653 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14654 * tree.h (enum omp_clause_code): Declare.
14655 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14656 (OMP_CLAUSE_RANGE_CHECK): Define.
14657 (OMP_CLAUSE_ELT_CHECK): Define.
14658 (omp_clause_check_failed): Declare.
14659 (omp_clause_operand_check_failed): Declare.
14660 (omp_clause_range_check_failed): Declare.
14661 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14662 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14663 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14664 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14665 (OMP_CLAUSE_IF_EXPR): Likewise.
14666 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14667 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14668 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14669 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14670 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14671 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14672 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14673 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14674 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14675 (OMP_CLAUSE_CODE): Define.
14676 (OMP_CLAUSE_SET_CODE): Define.
14677 (OMP_CLAUSE_CODE): Define.
14678 (OMP_CLAUSE_OPERAND): Define.
14679 (struct tree_omp_clause): Declare.
14680 (union tree_node): Add field 'omp_clause'.
14681 * treestruct.def (TS_OMP_CLAUSE): Define.
14682 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14683 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14684 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14685 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14686 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14687 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14688 (OMP_CLAUSE): Define.
14689 * print-tree.c (print_node): Handle OMP_CLAUSE.
14690 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14691 * c-typeck.c: Likewise.
14692 * gimplify.c: Likewise.
14693 * c-omp.c: Likewise.
14694 * tree-nested.c: Likewise.
14695 * tree-inline.c: Likewise.
14696 * c-parser.c: Likewise.
14697 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14700 2006-01-25 Roger Sayle <roger@eyesopen.com>
14702 PR rtl-optimization/25703
14703 * combine.c (try_combine): Handle zero_extract and strict_low_part
14704 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14706 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14708 * global.c: Fix comment typos.
14710 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14713 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14714 Use output_addr_const instead of assemble_name.
14716 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14718 * Makefile.in (sched-vis.o): Update dependencies.
14719 * haifa-sched.c (sched_finish): Clear current_sched_info.
14720 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14721 (dump_flow_info): Call it.
14722 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14724 * basic-block.h (dump_bb_info): Declare.
14725 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14726 option, and apply options only for dump files whose TDF_RTL,
14727 TDF_TREE, or TDF_IPA bits match.
14728 * rtl.h: Declare new functions exported from sched-vis.c.
14729 * sched-vis.c: Enable also if scheduling is not used.
14730 (print_value): Print the mode of registers if not inside scheduling.
14731 (print_insn): Make it work outside the scheduler. Beautify the output
14733 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14735 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14737 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14738 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14739 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14740 depending on the value of CONSTANT_POOL_ADDRESS_P.
14741 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14743 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14744 rather than SYMBOL_REF_DECL.
14745 (rtx_constant_pool): Remove const_rtx_sym_htab.
14746 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14747 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14748 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14749 Remove handling of const_rtx_sym_htab.
14750 (find_pool_constant): Delete.
14751 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14752 rather than find_pool_constant.
14753 (get_pool_constant_for_function): Delete.
14754 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14755 find_pool_constant.
14756 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14757 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14758 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14759 (SYMBOL_REF_CONSTANT): New macro.
14760 (get_pool_constant_for_function): Delete.
14761 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14762 rather than SYMBOL_REF_DECL.
14763 (i386_pe_mark_dllimport): Likewise.
14764 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14765 rather than SYMBOL_REF_DECL.
14766 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14767 (machopic_indirect_call_target): Likewise.
14769 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14771 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14773 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14775 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14777 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14779 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14781 2006-01-24 David Daney <ddaney@avtrex.com>
14784 * configure.ac (enable_tls): New enable option.
14785 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14786 * configure: Regenerate.
14787 * doc/install.texi (--enable-tls): Document new option.
14788 (--disable-tls): Ditto.
14790 2006-01-24 Richard Henderson <rth@redehat.com>
14792 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14793 * alias.c (true_dependence): Respect it.
14794 (canon_true_dependence, write_dependence_p): Likewise.
14795 * builtins.c (get_builtin_sync_mem): Set it.
14797 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14799 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14802 2006-01-24 DJ Delorie <dj@redhat.com>
14804 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14805 for storing constants in single-bit bitfields.
14807 2006-01-25 Ben Elliston <bje@au.ibm.com>
14809 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14811 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14814 * tree-ssa-pre.c (phi_translate): Return NULL
14815 for AGGREGATE_TYPE's.
14817 2006-01-24 Zack Weinberg <zackw@panix.com>
14819 * genautomata.c (process_state_for_insn_equiv_partition):
14820 Use xcalloc for insn_arcs_array.
14821 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14822 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14824 2006-01-24 Richard Henderson <rth@redhat.com>
14826 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14827 update all callers.
14829 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14831 PR rtl-optimization/25890
14832 PR rtl-optimization/25905
14833 * combine.c (expand_compound_operation, expand_field_assignment):
14834 Fail if the bitfield's final position is out of bounds.
14836 2006-01-24 Ian Lance Taylor <ian@airs.com>
14838 PR middle-end/25930
14839 * cgraphunit.c (cgraph_output_in_order): Don't clear
14840 cgraph_asm_nodes until after asm strings have been output.
14842 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14844 * fix-header.c (read_scan_file): Add new parameter imultilib when
14845 calling register_include_chains.
14847 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14849 * omp-low.c: Update documentation.
14851 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14852 Daniel Berlin <dberlin@dberlin.org>
14856 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14857 return from the function.
14859 2006-01-22 Zack Weinberg <zackw@panix.com>
14861 * rtl.def (match_code): Add second argument.
14862 * genpreds.c (write_extract_subexp): New function.
14863 (write_match_code): Add path argument. Use write_extract_subexp.
14864 (write_predicate_expr): Pass path to write_match_code.
14865 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14866 not perform a mode test.
14867 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14868 a subexpression does not constrain the top-level code set.
14869 * read-rtl.c (read_rtx_variadic): New function.
14870 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14871 * doc/md.texi: Document new notation.
14872 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14873 (cmpsi_operand): ... here, using new notation.
14875 2006-01-22 Zack Weinberg <zackw@panix.com>
14877 * varray.c: Remove GENERATOR_FILE #ifdefs.
14879 2006-01-22 Zack Weinberg <zackw@panix.com>
14881 * genautomata.c (output_reserved_units_table): Emit nothing if
14882 description->query_units_num is zero. Remove extra blank line.
14883 (output_cpu_unit_reservation_p): Short circuit
14884 if description->query_units_num is zero.
14886 2006-01-22 Zack Weinberg <zackw@panix.com>
14888 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14889 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14890 nor any of the random handful of variables that used to be necessary
14891 when this program was linked with rtlanal.o. Prune set of forward
14892 function declarations.
14893 (struct attr_desc): Remove static_p field.
14894 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14895 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14896 (attr_string): Do not read the character one past the length of
14898 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14899 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14900 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14901 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14902 (make_automaton_attrs): New.
14903 (main): Do not call into genautomata. Call local gen_bypass
14904 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14905 Remove special case for insn_alts.
14906 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14907 varray.h (leftover from previous change). Prune set of forward
14908 function declarations. Remove state_alts fields from all
14909 structures. Remove state_alts_table from struct automaton.
14910 Make everything except main static. Do not maintain num_dfa_decls.
14911 Do not maintain state_alts fields of various structures.
14912 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14913 (add_arc): Remove state_alts argument. All callers updated.
14914 (output_reserved_units_table): Emit #ifdef here...
14915 (output_tables): ...not here. Don't generate state_alts tables.
14916 (expand_automata): Don't generate attributes.
14917 (write_automata): Don't generate state_alts functions.
14918 (main): New function.
14919 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14920 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14921 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14922 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14923 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14924 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14925 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14926 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14928 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14929 * genattrtab.h: Delete file.
14930 * Makefile.in (OBJS-common): Add insn-automata.o.
14931 (insn-automata.o): New rule.
14932 (simple_generated_c): Add insn-automata.c.
14933 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14934 (genprogmd): Add automata.
14935 (build/genattrtab): Needs no extra objects nor libraries.
14936 (build/genautomata): Needs build/vec.o and -lm.
14938 2006-01-22 Zack Weinberg <zackw@panix.com>
14940 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14941 (output_dfa_max_issue_rate, locked_states_num): Delete.
14942 (struct automaton): Add locked_states field.
14943 (output_dead_lock_vect): Save number of locked states in
14944 automaton->locked_states. If it is zero, don't print anything.
14945 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14946 (output_internal_dead_lock_func): Only test the dead_lock_vect
14947 for automata that have locked states.
14948 (output_statistics): Always print the number of locked states for
14949 each automaton. Calculate total number of locked states here.
14950 (write_automata): Don't call output_dfa_max_issue_rate.
14951 * genattrtab.c: Define length_unit_log as a const variable.
14952 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14953 max_insn_queue_index const.
14954 * final.c (length_unit_log): Declare const.
14955 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14957 2006-01-22 Zack Weinberg <zackw@panix.com>
14959 * genautomata.c: Include vec.h, not varray.h.
14960 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14961 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14962 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14963 VEC_* macros operating on appropriately typed vectors, or to
14964 malloced arrays when the size is known in advance. Const-ify
14965 many char* variables and function arguments. No functional changes.
14966 * Makefile.in (build/varray.o): Delete rule.
14967 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14968 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14970 2006-01-22 Zack Weinberg <zackw@panix.com>
14972 * gensupport.c: Define get_insn_name and record_insn_name here.
14973 (read_md_rtx): Call record_insn_name as appropriate.
14974 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14975 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14976 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14978 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14979 (BUILD_VARRAY): Delete.
14980 (genprognormal): Rename genprogmd. Fold in all programs from
14981 genprognoprint; also attrtab.
14982 (build/genattrtab): Just mention genautomata.o and varray.o.
14983 Reorganize a bit, add comments to make the categories clearer.
14985 2006-01-22 Zack Weinberg <zackw@panix.com>
14987 * genconditions.c (condition_table, add_condition): Delete.
14988 (write_conditions): Don't emit n_insn_conditions nor
14989 insn_elision_unavailable. Issue the gcc version #ifdef here,
14990 inside the table, with no #else clause ...
14991 (write_header): ...not here.
14992 (write_writer): New function.
14993 (main): Don't initialize condition_table. Use add_c_test.
14995 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14996 files on the command line.
14997 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14998 Return -1 if there is no entry in the table, don't abort.
14999 (add_c_test, traverse_c_tests): New functions.
15000 * gensupport.h (insn_elision_unavailable, insn_conditions)
15001 (n_insn_conditions): Delete declarations.
15002 (add_c_test, traverse_c_tests): Declare.
15003 * read-rtl.c: Include gensupport.h.
15004 (read_conditions): New function.
15005 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15006 (read_rtx_1): If we get EOF when we were looking for an initial
15007 open paren, return 0. Call read_conditions when appropriate.
15008 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15009 dummy-conditions.o. Eliminate references to insn-conditions.o,
15010 or change them to build/gencondmd.o, as appropriate. Remove
15011 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15012 from $(simple_generated_c). For all files remaining in those
15013 two lists, add insn-conditions.md to the generator command line.
15014 Give insn-constants.h/s-constants their own rules. Add rules
15015 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15016 (build/read-rtl.o): Depend on gensupport.h.
15017 (genprognormal): Include preds.
15018 (genprogearly): Rename genprognoprint; only difference is now that
15019 they don't link with $(BUILD_PRINT).
15020 * dummy-conditions.c: Delete.
15022 2006-01-22 Zack Weinberg <zackw@panix.com>
15024 * genextract.c: Don't include insn-config.h. Do include vec.h.
15025 Declare vectors of int, char, and locstr.
15026 (locstr): New typedef.
15027 (struct extraction): Make all array fields into bare pointers.
15028 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15029 (insn_code_number): Delete.
15030 (accum_extract): New struct.
15031 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15032 (gen_insn): Take insn_code_number as an argument. Use an
15033 accum_extract structure instead of loading data directly into
15034 a struct extraction, and having to know how big it might get.
15035 (walk_rtx): Operate entirely on an accum_extract structure.
15036 (print_path): Avoid unnecessary use of printf.
15037 (print_header): New function, split out of main. Distinguish
15038 more carefully between an unrecognizable insn and an insn that
15039 has the code number of a define_expand.
15040 (main): Pass insn_code_number to gen_insn. Call print_header
15041 only after parsing. Avoid unnecessary use of printf.
15042 * Makefile.in (build/vec.o): New rule.
15043 (build/genextract): Depend on build/vec.o.
15044 (build/genextract.o): Don't depend on insn-config.h.
15046 2006-01-22 Zack Weinberg <zackw@panix.com>
15048 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15049 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15050 practical. Eliminate per-generator-program link rules.
15052 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15054 PR middle-end/24437
15055 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15056 with a call expr to ...
15057 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15059 2006-01-23 Richard Guenther <rguenther@suse.de>
15061 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15062 before make_edge with conditional EDGE_TRUE_VALUE.
15064 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15065 Jan Hubicka <jh@suse.cz>
15066 Richard Guenther <rguenther@suse.de>
15068 PR rtl-optimization/25654
15069 * cfgexpand.c (aggregate_contains_union_type): New function.
15070 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15071 for structure variables that contain a union type.
15073 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15075 * gengtype.c (new_structure): Return the structure.
15076 (create_option): Add an extra "next" argument.
15077 (create_field): New function.
15078 (adjust_field_rtx_def): Use create_option and create_field.
15079 Remove a now-unnecessary call to find_structure.
15080 (adjust_field_tree_def): Likewise.
15081 (note_yacc_type): Remove an unnecessary call to find_structure.
15082 * gengtype.h (new_structure): Return the structure.
15083 (create_option): Add an extra argument.
15084 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15085 (option): Adjust calls to create_option.
15087 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15089 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15091 2006-01-22 Paul Brook <paul@codesourcery.com>
15092 Peter Barada <peter@the-baradas.com>
15094 * config/m68k/m68k.md: Add Coldfire FPU support.
15095 Define FP mode macro and associated attributes.
15096 Use it for float mode patterns.
15097 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15098 (LIBCALL_VALUE): Use m68k_libcall_value.
15099 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15100 (m68k_function_value): Ditto.
15101 (emit_move_sequence): Ditto.
15102 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15103 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15104 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15105 (MULTILIB_EXCEPTIONS): Ditto.
15106 * config/m68k/m68k.opt: Add mcfv4e.
15107 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15108 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15109 (m68k_output_function_prologue): Save ColdFire FPU registers.
15110 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15111 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15112 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15113 ColdFire FPU registers.
15114 (m68k_libcall_value, m68k_function_value): New functions.
15115 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15116 (LIBCALL_VALUE): Use m68k_libcall_value.
15117 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15118 (MASK_COLDFIRE): Add MASK_CFV4E.
15119 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15120 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15121 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15122 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15123 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15124 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15125 * doc/invoke.tex: Document -mcfv4e on m68k.
15127 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15129 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15132 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15135 * c-opts.c (c_common_handle_option): Don't include
15136 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15137 * doc/invoke.texi (C++ Dialect Options): Document that
15138 -Wnon-virtual-dtor is no longer included in -Wall.
15140 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15142 * gcov.c (print_version), gcov-dump.c (print_version),
15143 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15146 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15148 * df-scan.c (problem_SCAN): Added NULL reset function.
15149 (df_scan_reset_blocks): Added code to call reset block function
15150 (df_bb_refs_delete) Fixed comment.
15151 (df_insn_refs_delete): Made tolerant of deleting non existent info
15152 for dataflow problems that need to be reset.
15153 * df-core.c (df_set_blocks): Ditto.
15154 * df.h (struct df_problem): Added reset_fun.
15155 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15156 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15157 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15158 functions to clear out all references to def-use or use-def chains.
15160 2006-01-21 Ben Elliston <bje@au.ibm.com>
15162 * varasm.c (assemble_real): Initialise data array.
15164 2006-01-20 Paul Brook <paul@codesourcery.com>
15166 Merge from csl-arm-branch.
15167 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15168 * config/arm/arm.md (movdi): Force operands[1] to a register
15169 if we have a non-register source.
15170 (*arm_movdi, *movdf_soft_insn): Require that one of the
15171 operands be a register.
15172 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15173 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15175 2006-01-20 DJ Delorie <dj@redhat.com>
15177 * varasm.c (initializer_constant_valid_p): Allow pointers
15178 initialized from integer constants of lesser precision.
15179 (output_constant): Allow non-int-sized pointer modes to be
15180 initialized from integer constants.
15182 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15185 * cppdefault.h (struct default_include): Add multilib flag.
15186 * cppdefault.c (cpp_include_defaults): Set it.
15187 * c.opt (-imultilib): New option.
15188 * c-opts.c (imultilib): New.
15189 (c_common_handle_option): Handle -imultilib.
15190 (c_common_post_options): Likewise.
15191 * c-incpath.c (add_standard_paths, register_include_chains):
15193 * c-incpath.h (register_include_chains): Add extra parameter.
15194 * gcc.c (do_spec_1): Generate -imultilib option.
15195 (The Specs Language): Update %I description.
15196 (process_command): Update copyright notice.
15197 * doc/cppopts.texi (-imultilib): Document.
15198 * doc/invoke.texi (-imultilib): Include in option summary.
15199 (%I): Update specs documentation.
15201 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15203 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15205 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15207 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15210 2006-01-20 Richard Guenther <rguenther@suse.de>
15211 Steven Bosscher <stevenb.gcc@gmail.com>
15213 PR rtl-optimization/24626
15214 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15215 EDGE_TRUE_VALUE if in RTL mode.
15218 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15219 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15221 2006-01-20 Dirk Mueller <dmueller@suse.com>
15224 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15225 instead of a special NOP marker.
15226 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15227 NOP marker handling.
15228 * c-common.h (empty_body_warning): Add forward declaration.
15229 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15230 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15232 2006-01-20 Paul Brook <paul@codesourcery.com>
15234 * Makefile.in (lang_checks): Keep going if mkdir fails.
15236 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15238 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15239 be able to clean out basic block when not necessary.
15240 (df_scan_free): Fixed to properly delete information if df is
15241 unused before calling df_finish.
15242 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15243 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15245 (df_bb_refs_delete): New function.
15246 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15247 * df-core.c (df_set_blocks): Added code to properly clean out
15248 unused blocks if they are not part of the blocks to consider.
15249 Added additional null check.
15250 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15251 be able to clean out basic block when not necessary
15252 * df.h (df_free_bb_function): Ditto.
15253 (df_bb_refs_delete): New function.
15254 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15255 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15256 basic block parameter to be able to clean out basic block when not
15258 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15259 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15260 Fixed to properly delete information if df is unused before
15263 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15265 PR rtl-optimization/25799
15266 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15267 Corrected confluence operator to remove bits from op2 before oring
15268 with op1 rather than removing bits from op1.
15269 (df_ru_transfer_function): Corrected test on wrong bitmap which
15270 caused infinite loop. Both of these problems were introduced in
15271 the dataflow rewrite.
15273 2006-01-19 DJ Delorie <dj@redhat.com>
15275 * reload1.c (find_reload_regs): Note the details of reload
15276 failures in the dump file.
15277 (spill_failure): Likewise.
15279 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15281 * loop-iv.c: Include df.h and hashtab.h.
15282 (enum iv_grd_result): New enum.
15283 (DF_REF_IV, DF_REF_IV_SET): New macros.
15284 (struct biv_entry): New.
15285 (df, bivs): New global variables.
15286 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15287 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15289 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15290 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15291 analyzed_for_bivness_p, record_biv): New functions.
15292 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15293 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15294 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15296 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15298 (iv_number_of_iterations): Use new interface to iv analysis.
15299 * loop-unroll.c: Do not include varray.h.
15300 (analyze_iv_to_split_insn): Use new interface to iv
15302 * loop-unswitch.c (may_unswitch_on): Ditto.
15303 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15305 (df_bb_modify): Realloc tables to the new index.
15306 (df_find_use): New function.
15307 * df.h (df_find_use): Declare.
15308 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15310 * cfgloop.h (struct rtx_iv): Remove analysed field.
15311 (iv_get_reaching_def): Removed.
15312 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15313 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15314 (loop-iv.o): Add df.h and hashtab.h dependency.
15315 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15317 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15320 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15322 (__floatundisf, __floatundidf): Likewise.
15323 * libgcc2.h (IS_IBM_EXTENDED): Define.
15325 2006-01-19 DJ Delorie <dj@redhat.com>
15327 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15329 2006-01-19 Paul Brook <paul@codesourcery.com>
15331 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15332 as nothrow when unwinding tables are disabled.
15334 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15337 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15338 of bit-field" when in system header.
15340 2006-01-19 DJ Delorie <dj@redhat.com>
15342 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15343 the 16 bit shift limit of the m16c.
15345 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15348 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15349 * config/i386/i386.c (output_set_got): Output the label if we have one
15350 for the TARGET_DEEP_BRANCH_PREDICTION case.
15352 2006-01-19 Jan Hubicka <jh@suse.cz>
15353 H.J. Lu <hongjiu.lu@intel.com>
15354 Evandro Menezes <evandro.menezes@amd.com>
15356 * invoke.texi (generic): Document
15358 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15359 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15360 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15361 (x86_use_incdec, x86_pad_returns): New variables
15362 (TARGET_CPU_DEFAULT_generic): New constant
15363 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15364 (enum processor_type): Add generic32 and generic64.
15365 * i386.md (cpu attribute): Add generic32/generic64
15366 (movhi splitter): Behave sanely when both partial_reg_dependency and
15367 partial_reg_stall are set.
15368 (K8 splitters): Enable for generic as well.
15369 * predicates.md (incdec_operand): Use TARGET_INCDEC
15370 (aligned_operand): Avoid memory mismatch stalls.
15371 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15372 * ppro.md: Enable for generic32
15373 * i386.c (generic64_cost, generic32_cost): New.
15374 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15375 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15376 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15377 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15378 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15379 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15380 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15381 x86_accumulate_outgoing_args, x86_prologue_using_move,
15382 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15383 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15384 Enable for generic.
15385 (x86_use_incdec, x86_pad_returns): New.
15386 (override_options): Add generic32 and generic64, translate "generic"
15387 to generic32/generic64 and "i686" to "generic32", refuse
15388 "generic32"/"generic64" as arch target.
15389 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15390 (ix86_reorg): Honor PAD_RETURNS.
15392 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15394 * tree-pretty-print.c (dump_generic_node): Handle
15395 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15396 * cgraph.c (cgraph_expand_queue): Rename from
15397 cgraph_analyze_queue. Update all users.
15398 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15399 cgraph_expand_queue.
15400 (cgraph_expand_all_functions): Likewise.
15401 (cgraph_finalize_pending_functions): Remove. Update callers.
15403 * tree.h (OMP_DIRECTIVE_P): Define.
15404 (OMP_PARALLEL_FN): Define.
15405 (OMP_PARALLEL_DATA_ARG): Define.
15406 (OMP_SECTIONS_SECTIONS): Define.
15407 * tree-pass.h (pass_expand_omp): Declare.
15408 * omp-low.c (struct omp_region): Declare.
15409 (struct omp_context): Remove fields 'parallel_type',
15410 'parallel_start_ix' and 'parallel_start_additional_args'.
15412 (struct omp_for_data): Rename from struct expand_omp_for_data.
15413 (omp_regions): New static variable.
15414 (root_omp_region): New static variable.
15415 (find_omp_clause): Make static.
15416 (is_in_combined_parallel_ctx): Remove.
15417 (is_combined_parallel): New.
15418 (extract_omp_for_data): Move earlier in the file.
15419 (workshare_safe_to_combine_p): New.
15420 (get_ws_args_for): New.
15421 (determine_parallel_type): Move earlier in the file.
15422 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15424 (omp_copy_decl): Likewise.
15425 (create_omp_child_function): Likewise.
15426 (lookup_omp_region): New.
15427 (dump_omp_region): New.
15428 (debug_omp_region): New.
15429 (debug_all_omp_regions): New.
15430 (new_omp_region): New.
15431 (scan_omp_parallel): If parallel_nesting_level > 1, the
15432 directive is nested within another parallel directive.
15433 Set OMP_PARALLEL_FN.
15434 (scan_omp_for): Do not try to handle combined parallel+for
15436 Remove FIXME comment.
15437 (scan_omp_nested): Remove.
15438 (scan_omp_1): Do not call scan_omp_nested when
15439 parallel_nesting_level is > 1.
15440 Do not change the DECL_CONTEXT of local variables found.
15441 (lookup_decl_in_outer_ctx): New.
15442 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15443 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15444 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15445 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15446 If CTX is nested, lookup VAR in the outer context when
15447 building copy assignment.
15448 (lower_send_clauses): Rename from expand_send_clauses.
15449 If CTX is nested, lookup VAR in the outer context when
15450 building copy assignments.
15451 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15452 If CTX is nested, lookup VAR in the outer context when
15453 building copy assignments.
15454 (expand_parallel_call): Rename from build_parallel_call.
15455 Handle combined parallel+workshare cases.
15456 Re-implement to emit code into the CFG.
15458 (expand_omp_parallel): Re-implement to emit code into the CFG.
15459 Call move_sese_region_to_fn to outline the sub-graph
15460 containing the parallel region.
15461 (expand_omp_for_1): Remove.
15462 (expand_omp_for_generic): Re-implement to emit code into the
15464 (expand_omp_for_static_nochunk): Likewise.
15465 (expand_omp_for_static_chunk): Likewise.
15466 (expand_omp_for): Likewise.
15467 (expand_omp_sections): Likewise.
15468 (remove_exit_barriers): New.
15469 (expand_omp_synch): New.
15471 (build_omp_regions_1): New.
15472 (build_omp_regions): New.
15473 (execute_expand_omp): New.
15474 (gate_expand_omp): New.
15475 (pass_expand_omp): Define.
15476 (lower_omp_sections): Rename from expand_omp_sections.
15477 Set OMP_SECTIONS_SECTIONS.
15478 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15479 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15480 (lower_omp_single): Rename from expand_omp_simple.
15481 (lower_omp_master): Rename from expand_omp_master.
15482 (lower_omp_ordered): Rename from expand_omp_ordered.
15483 (lower_omp_critical): Rename from expand_omp_critical.
15484 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15485 (lower_omp_for): Re-implement.
15486 (lower_omp_parallel): Re-implement.
15487 (lower_regimplify): Rename from expand_regimplify.
15488 (lower_omp_1): Rename from expand_omp_1.
15489 If there are syntax errors in the program, replace every
15490 OpenMP directive with NOP.
15491 Call lower_omp_* instead of expand_omp_*.
15492 (lower_omp): Rename from expand_omp.
15494 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15495 * tree-gimple.h (enum omp_parallel_type): Remove.
15496 (gimple_boolify): Declare extern.
15497 (find_omp_clause, determine_parallel_type): Remove.
15499 * gimple-low.c (lower_omp_directive): New.
15500 (lower_stmt): Call it.
15501 (record_vars_into): Move from ...
15502 (record_vars): ... here.
15503 Call record_vars_into with current_function_decl.
15505 * gimplify.c (struct gimplify_ctx): Remove fields
15506 combined_pre_p and combined_ctxp. Update users.
15507 (get_formal_tmp_var): Add documentation.
15508 (gimple_boolify): Make extern.
15509 (gimplify_expr_in_ctx): Remove. Update callers.
15510 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15511 will always be a BIND_EXPR.
15512 (gimplify_expr): Handle OMP_RETURN_EXPR.
15513 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15514 (OMP_PARALLEL): Add 3 operands.
15515 (OMP_SECTIONS): Add 1 operand.
15516 (OMP_RETURN_EXPR): Define.
15518 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15519 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15520 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15521 creating a circular free list.
15522 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15524 * tree-flow.h (move_sese_region_to_fn): Declare.
15525 (record_vars_into): Declare.
15526 * tree-cfg.c (make_omp_sections_edges): New.
15527 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15528 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15529 OMP_SECTIONS and OMP_SECTION.
15530 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15531 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15532 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15533 (gather_blocks_in_sese_region): New.
15534 (struct move_stmt_d): Declare.
15535 (move_stmt_r): New.
15536 (move_block_to_fn): New.
15537 (move_sese_region_to_fn): New.
15539 * passes.c (init_optimization_passes): Schedule
15540 pass_expand_omp after pass_init_datastructures.
15542 * tree-ssa-operands.c (get_expr_operands): Handle
15543 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15544 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15546 2006-01-19 Jeff Law <law@redhat.com>
15548 * tree-vrp.c (extract_range_from_assert): Refine the result range
15549 if the variable referenced by the ASSERT_EXPR has a range and
15550 either the tentative result range or the previous range is a
15553 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15555 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15557 2006-01-19 Jan Hubicka <jh@suse.cz>
15559 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15561 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15563 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15564 (expand_compound_operation, expand_field_assignment): Fail if the
15565 bit lengths of an extract operation are out of range.
15566 (make_extraction): Compute wanted_inner_mode based on the position
15567 and length of the extraction. Make it extraction_mode for non-constant
15568 positions, and do not modify offset in that case. When generating a
15569 new MEM, use a mode that can hold the extraction while keeping correct
15570 alignment. Remove code that supported MEMs wrapped by USEs.
15571 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15573 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15575 * config/s390/s390.md ("Y", "y"): New mode attribute.
15576 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15577 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15578 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15579 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15580 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15581 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15582 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15583 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15584 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15585 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15586 "addsi3", "subsi3"): Insn patterns removed.
15587 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15588 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15589 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15590 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15591 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15592 "*sub<mode>3_cconly2"): New insn patterns.
15593 ("addsi3", "subsi3"): New expanders.
15595 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15597 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15598 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15599 existing STMT_VINFO_VECTYPE if available.
15600 (vect_mark_relevant): Add special handling for stmts that are
15601 marked as STMT_VINFO_IN_PATTERN_P.
15602 (vect_analyze_loop): Call vect_pattern_recog.
15603 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15604 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15606 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15607 (vect_recog_func_ptr): New function-pointer type.
15608 * tree-vect-patterns.c: New file.
15609 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15610 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15611 (vect_pattern_recog_1): New functions.
15612 (vect_pattern_recog_funcs): New array of function pointers.
15614 * tree-vectorizer.h (ternary_op): New enum value.
15615 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15616 declaration. Revised documentation. Removed redundant dump prints.
15617 Removed redundant argument. Added support for reduction patterns.
15618 (vectorizable_reduction): Added support for reduction patterns.
15619 (vect_transform_stmt): Added support for patterns.
15621 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15622 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15623 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15624 (expand_widen_pattern_expr): New function.
15625 (init_optabs): Initialize new optabs udot_prod_optab,
15627 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15628 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15629 (expand_widen_pattern_expr): New function declaration.
15630 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15632 * tree-inline.c (estimate_num_insns_1): Added cases for new
15633 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15634 * tree-pretty-print.c (dump_generic_node): Likewise.
15635 (op_prio): Likewise.
15636 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15637 * tree-ssa-operands.c (get_expr_operands): Added case for
15639 * tree-vect-patterns.c (widened_name_p): New function.
15640 (vect_recog_dot_prod_pattern): Added function implementation.
15641 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15642 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15643 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15644 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15646 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15647 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15648 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15649 (init_optabs): Initialize new optabs widen_ssum_optab,
15651 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15652 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15653 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15654 use instead of type of def.
15655 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15656 function implementation.
15657 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15658 widen_ssumv8hi): New.
15660 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15663 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15666 * c-decl.c (add_flexible_array_elts_to_size): New function.
15667 (finish_decl): Use it.
15669 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15671 * diagnostic.h: Include options.h.
15672 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15673 dependancies for diagnostic.h.
15674 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15676 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15678 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15679 (ssa_ro_call_cache_valid): Ditto.
15680 * tree-ssa-alias.c (sort_tags_by_id): New function.
15681 (init_transitive_clobber_worklist): Ditto.
15682 (add_to_worklist): Ditto.
15683 (mark_aliases_call_clobbered): Ditto.
15684 (compute_tag_properties): Ditto.
15685 (set_initial_properties): Ditto.
15686 (compute_call_clobbered): Ditto.
15687 (compute_may_aliases): Call compute_call_clobbered and grouping.
15688 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15689 (compute_flow_insensitive_aliasing): Grouping now happens in our
15691 (setup_pointers_and_addressables): Remove clobbering related code.
15692 (add_may_alias): Ditto.
15693 (replace_may_alias): Ditto.
15694 (get_nmt_for): Ditto.
15695 (create_global_var):
15696 (is_escape_site): Return an escape_type enumeration.
15697 * tree-flow-inline.h (is_call_clobbered): Global var does not
15698 imply call clobbered.
15699 (mark_call_clobbered): Take a reason for marking this. Remove
15700 marking of globalness, and cache invalidation.
15701 (clear_call_clobbered): Remove cache invalidation code.
15702 * tree-dfa.c (dump_variable): If details is on, dump the reason
15704 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15706 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15707 (struct var_ann_d): Ditto.
15708 (enum escape_type): New.
15709 (mark_call_clobbered): Adjust prototype.
15710 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15711 are never call clobbered.
15712 Record reasons for escaping.
15713 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15714 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15715 (ssa_ro_call_cache_valid): Ditto.
15716 (clobbered_v_may_defs): Ditto.
15717 (clobbered_vuses): Ditto.
15718 (ro_call_vuses): Ditto.
15719 (clobber_stats): New.
15720 (init_ssa_operands): Zero out clobber stats.
15721 (fini_ssa_operands): Print out clobber stats.
15722 (get_call_expr_operands): Pass callee fndecl to
15723 add_call_read_ops).
15724 (add_call_clobber_ops): Remove use of cache.
15725 Add use of PURE_CONST information.
15726 (add_call_read_ops): Remove use of cache.
15727 Add use of static not_read information.
15729 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15731 Introduce TLS descriptors for i386 and x86_64.
15732 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15733 (TARGET_ANY_GNU_TLS): New macro.
15734 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15735 (struct machine_function): Add tls_descriptor_call_expanded_p.
15736 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15737 (ix86_current_function_calls_tls_descriptor): Likewise.
15738 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15739 (override_options): Introduce gnu2 tls dialect.
15740 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15742 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15744 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15745 (ix86_init_machine_status): Initialize new field.
15746 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15747 (ix86_tls_module_base): New.
15748 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15749 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15750 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15751 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15752 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15753 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15754 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15755 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15756 * config/i386/predicates.md (tls_modbase_operand): New.
15757 (tp_or_register_operand): New.
15759 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15761 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15762 (look_for_address_of): Ditto.
15763 (ipa_init): Walk the function decls.
15764 (static_execute): Don't set readonly on FUNCTION_DECL's.
15766 2006-01-18 Roger Sayle <roger@eyesopen.com>
15768 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15769 for shifts where the source and destination registers are different.
15771 2006-01-18 Paul Brook <paul@codesourcery.com>
15773 Merge from csl-arm-branch.
15774 2005-03-14 Julian Brown <julian@codesourcery.com>
15775 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15776 (aeabi_llsl): Likewise.
15777 (ashrdi3): Likewise.
15778 (aeabi_lasr): Likewise.
15779 (lshrdi3): Likewise.
15780 (aeabi_llsr): Likewise.
15781 2005-03-10 Julian Brown <julian@codesourcery.com>
15782 * config.gcc: Disable shared libgcc for SymbianOS.
15783 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15785 2006-01-18 DJ Delorie <dj@redhat.com>
15787 * c-pragma.c (handle_pragma_diagnostic): New.
15788 (init_pragma): Register it.
15789 * doc/extend.texi: Document it.
15791 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15792 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15793 (diagnostic_context): Add classify_diagnostic[].
15794 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15795 as errors if they're overridden to DK_WARNING.
15796 (diagnostic_initialize): Initialize classify_diagnostic[].
15797 (diagnostic_set_kind_override): New.
15798 (diagnostic_report_diagnostic): Check for kind changes.
15799 * opts.c (common_handle_option): Take lang_mask. Update callers.
15800 Handle OPT_Werror_.
15801 * common.opt (Werror=): New.
15802 * doc/invoke.texi: Document -Werror=*
15804 2006-01-18 Jeff Law <law@redhat.com>
15806 * tree-vrp.c (test_for_singularity): Correct test for new
15807 min limit. Use operand_equal_p rather than pointer equality
15808 for testing if new min/max values are equal.
15810 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15811 using range information until after propagation and folding.
15813 2006-01-18 Richard Henderson <rth@redhat.com>
15814 Aldy Hernandez <aldyh@redhat.com>
15815 Jakub Jelinek <jakub@redhat.com>
15816 Diego Novillo <dnovillo@redhat.com>
15818 * omp-low.c: New file.
15819 * c-omp.c: New file.
15821 2006-01-18 Richard Henderson <rth@redhat.com>
15822 Jakub Jelinek <jakub@redhat.com>
15823 Diego Novillo <dnovillo@redhat.com>
15825 * doc/invoke.texi: Document -fopenmp.
15826 * tree-dump.h (debug_function): Declare.
15827 * hooks.c (hook_bool_tree_bool_false): New function.
15828 (hook_tree_tree_null): Remove.
15829 (hook_tree_tree_tree_null): New.
15830 * hooks.h: Update to match.
15831 * tree-pretty-print.c (debug_tree_chain): New.
15832 (print_generic_expr): Handle TDF_CHAIN.
15833 (dump_generic_node): Handle BLOCK.
15834 Do not abort with incomplete SWITCH_EXPRs.
15835 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15836 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15837 print space after directive name.
15838 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15839 Handle OMP_MASTER and OMP_ORDERED.
15840 Handle printing of OMP_BODY just in one place, goto
15841 dump_omp_body in the rest of OMP_* nodes that have
15843 Don't handle clause nodes here. Update omp statements to
15844 use dump_omp_clauses.
15845 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15846 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15847 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15848 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15849 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15850 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15851 Adjust output for GOMP_PARALLEL.
15852 (dump_omp_clauses): New.
15853 (print_declaration): Dump DECL_VALUE_EXPR.
15854 (op_symbol_1): Split out of op_symbol.
15855 (dumping_stmts): Remove. Update all users.
15856 * cgraph.c (cgraph_analyze_queue): New.
15857 (cgraph_add_new_function): New.
15858 * cgraph.h (cgraph_analyze_queue): Declare.
15859 (cgraph_add_new_function): Declare.
15860 (cgraph_lower_function): Remove.
15861 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15862 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15863 and TYPE_P nodes in its default clause.
15864 (empty_body_p): New.
15865 (tree_range_check_failed): New.
15866 (build5_stat): New.
15867 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15868 OMP_CLAUSE_REDUCTION_MERGE,
15869 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15870 OMP_CLAUSE_PRIVATE_DEBUG,
15871 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15872 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15873 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15874 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15875 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15876 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15877 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15878 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15879 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15880 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15881 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15882 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15883 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15884 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15885 (TREE_RANGE_CHECK): New.
15886 (empty_body_p): Declare.
15887 (enum omp_clause_default_kind): New.
15888 (build_string_literal): Declare.
15889 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15890 (build5_stat, build5): Declare.
15891 * tree-pass.h (TDF_CHAIN): Define.
15892 * tree-pass.h (PROP_gimple_lomp): Define.
15893 (pass_lower_omp): Declare.
15894 * diagnostic.h (debug_tree_chain): Declare.
15895 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15897 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15898 * builtins.c (build_string_literal): Make extern.
15899 * gcc.c (include_spec_function): New.
15900 (static_spec_functions): Add it.
15901 (main): Move load of libgomp.spec ...
15902 (LINK_COMMAND_SPEC): ... here.
15903 (link_gomp_spec): New.
15904 (static_specs): Include it.
15905 (LINK_COMMAND_SPEC): Add link_gomp.
15906 (GOMP_SELF_SPECS): New.
15907 (driver_self_specs): Include it.
15908 (switch_matches): Don't mark inline.
15909 (main): Load libgomp.spec.
15910 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15911 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15912 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15913 * tree-gimple.h (enum omp_parallel): Declare.
15914 (determine_parallel_type): Declare.
15915 (omp_firstprivatize_variable): Declare.
15916 (omp_reduction_init): Declare.
15917 (diagnose_omp_structured_block_errors): Declare.
15918 (struct walk_stmt_info): Add want_return_expr.
15919 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15920 (find_omp_clause): Declare.
15921 (insert_field_into_struct): Declare.
15922 (struct walk_stmt_info): Move from tree-nested.c
15923 (walk_stmts): Declare.
15924 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15926 * cgraphunit.c (cgraph_lower_function): Make static.
15927 (cgraph_finalize_pending_functions): New.
15928 (cgraph_finalize_function): Call it.
15929 (cgraph_finalize_compilation_unit): Likewise.
15930 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15931 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15932 (BT_FN_UINT_UINT): New.
15933 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15934 DEF_FUNCTION_TYPE_VAR_4): Document.
15935 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15936 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15937 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15938 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15939 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15940 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15941 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15942 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15943 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15944 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15945 into separate files.
15946 (DEF_GOMP_BUILTIN): New.
15947 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15948 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15949 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15950 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15951 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15952 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15953 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15954 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15955 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15956 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15957 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15958 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15959 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15960 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15961 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15962 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15963 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15964 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15965 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15966 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15967 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15968 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15969 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15970 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15971 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15972 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15973 * sync-builtins.def: New file, moved from builtins.def.
15974 * omp-builtins.def: New file, moved from builtins.def.
15975 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15976 * gimple-low.c (lower_function_body): Clear data.
15977 (lower_stmt): Do not handle COMPOUND_EXPR.
15978 Remove call to print_node_brief.
15979 * c-tree.h (c_finish_omp_clauses): New prototype.
15980 (C_DECL_THREADPRIVATE_P): Define.
15981 (lookup_name_no_remap, c_omp_remap_private): Remove
15982 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15983 (check_for_loop_decls): Update decl.
15984 (lookup_name_no_remap, c_omp_remap_private): Declare.
15985 (build_indirect_ref, build_modify_expr, pushdecl,
15986 pushdecl_top_level): Move to c-common.h.
15987 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15988 before the switch, but just in the 2 places that need it.
15989 * c-decl.c (diagnose_mismatched_decls): Do not check for
15990 mismatched thread-local attributes when OLDDECL is marked
15991 threadprivate and NEWDECL has no thread-local attributes.
15992 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15993 (c_gimple_diagnostics_recursively): Rename from
15994 c_warn_unused_result_recursively. Invoke
15995 diagnose_omp_structured_block_errors.
15996 (check_for_loop_decls): Return a singular decl found.
15997 * langhooks.c (lhd_omp_predetermined_sharing): Return
15998 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15999 (lhd_omp_firstprivatize_type_sizes): New.
16000 (lhd_omp_assignment): New.
16001 (lhd_omp_predetermined_sharing): New.
16002 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16003 (struct lang_hooks_for_types): Add
16004 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16005 omp_predetermined_sharing, omp_disregard_value_expr,
16006 omp_private_debug_clause, omp_clause_default_ctor,
16007 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16008 (c_finish_omp_clauses): New.
16009 (c_finish_bc_stmt): Diagnose break within omp for.
16010 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16011 (build_unary_op): Return error_mark after reporting
16013 (build_modify_expr): Likewise.
16014 * gimplify.c: Include optabs.h and pointer-set.h.
16015 (enum gimplify_omp_var_data): Declare.
16016 (struct gimplify_omp_ctx): Declare.
16017 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16019 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16020 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16021 (splay_tree_compare_decl_uid): New.
16022 (new_omp_context): New.
16023 (delete_omp_context): New.
16024 (gimple_add_tmp_var): Call omp_add_variable.
16025 (gimplify_bind_expr): Likewise.
16026 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16027 true, disregard DECL_VALUE_EXPR on the decl if any.
16028 (gimplify_expr_in_ctx): New.
16029 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16030 omp_add_variable, omp_notice_variable, omp_is_private
16031 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16032 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16033 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16034 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16035 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16036 gimplify_omp_atomic): New.
16037 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16038 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16039 OMP_CRITICAL and OMP_ATOMIC.
16040 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16041 * c-pragma.h (enum pragma_kind): Add
16042 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16043 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16044 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16045 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16046 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16047 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16048 PRAGMA_OMP_THREADPRIVATE.
16049 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16050 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16051 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16052 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16053 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16054 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16055 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16056 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16057 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16058 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16059 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16060 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16061 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16063 (struct nesting_info): Add field_map,
16064 suppress_expansion, debug_var_chain.
16065 (create_nesting_tree): Initialize them.
16066 (lookup_field_for_decl): Use field_map.
16067 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16068 (convert_local_omp_clauses): New.
16069 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16070 (walk_body): Split out of walk_function.
16071 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16072 (convert_nonlocal_reference): Handle omp statements.
16073 (convert_local_reference): Likewise.
16074 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16075 (unnest_nesting_tree): New.
16076 (lower_nested_functions): Call it.
16077 (insert_field_into_struct): Make extern.
16078 (struct walk_stmt_info): Move to tree-gimple.h.
16079 (walk_stmts): Make extern.
16080 * omp-builtins.def: New file.
16081 * tree-iterator.c (expr_only): Clarify comment.
16082 * c-common.h (pushdecl_top_level, pushdecl,
16083 build_modify_expr, build_indirect_ref,
16084 c_finish_omp_master, c_finish_omp_critical,
16085 c_finish_omp_ordered, c_finish_omp_barrier,
16086 c_finish_omp_atomic, c_finish_omp_flush,
16087 c_finish_omp_for, c_split_parallel_clauses,
16088 omp_clause_default_kind, c_omp_sharing_predetermined,
16089 c_omp_remap_decl): Declare.
16090 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16091 (OBJS-common): Add omp-low.o.
16092 (c-omp.o, omp-low.o): Add.
16093 (gimplify.o): Add dependency on $(OPTABS_H).
16094 (GTFILES): Add omp-low.c.
16095 (gt-stringpool.h): Add.
16096 * tree-cfg.c (set_bb_for_stmt): Do not update the
16097 block-to-labels map if we are currently expanding to RTL.
16098 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16100 Handle IDENTIFIER_NODE.
16101 (tree_verify_flow_info): Do not ICE when emitting error
16102 messages about invalid labels.
16103 (dump_function_to_file): Reset CFUN before emitting the body
16105 (debug_function): New.
16106 * passes.c (init_optimization_passes): Schedule
16108 * langhooks-def.h (lhd_omp_predetermined_sharing,
16109 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16111 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16112 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16113 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16114 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16115 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16116 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16117 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16118 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16119 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16120 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16121 (LANG_HOOK_DECLS): Use them.
16123 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16124 Richard Henderson <rth@redhat.com>
16125 Jakub Jelinek <jakub@redhat.com>
16126 Diego Novillo <dnovillo@redhat.com>
16128 * c-parser.c (pragma_omp_clause): Define.
16129 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16130 (c_parser_compound_statement): Likewise.
16131 (c_parser_statement): Likewise.
16132 (c_parser_pragma): Handle omp pragmas.
16133 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16134 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16135 (c_parser_omp_clause_name, check_no_duplicate_clause,
16136 c_parser_omp_variable_list,
16137 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16138 c_parser_omp_clause_copyprivate,
16139 c_parser_omp_clause_default,
16140 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16141 c_parser_omp_clause_lastprivate,
16142 c_parser_omp_clause_nowait,
16143 c_parser_omp_clause_num_threads,
16144 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16145 c_parser_omp_clause_reduction,
16146 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16147 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16148 c_parser_omp_atomic, c_parser_omp_barrier,
16149 c_parser_omp_critical, c_parser_omp_flush,
16150 c_parser_omp_for_loop, c_parser_omp_for,
16151 c_parser_omp_master, c_parser_omp_ordered,
16152 c_parser_omp_sections_scope, c_parser_omp_sections,
16153 c_parser_omp_parallel, c_parser_omp_single,
16154 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16155 * c-pragma.c (init_pragma): Do omp pragma registration here.
16156 * c.opt (fopenmp): New flag.
16158 2006-01-18 Eric Christopher <echristo@apple.com>
16160 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16161 * config/darwin.h (GOMP_SELF_SPECS): Define.
16163 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16165 * rtl.h: Remove the prototype for reg_alloc.
16167 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16170 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16171 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16172 sjlj and dwarf2 exception handling.
16173 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16174 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16175 * pa/pa.c (function_value): Treat complex and vector types as
16177 (function_arg): Likewise. Only pass scalar floats in the floating
16178 point argument registers.
16179 * pa/t-slibgcc-dwarf-ver: New file.
16180 * pa/t-slibgcc-sjlj-ver: New file.
16181 * pa/t-slibgcc-elf-ver: Delete file.
16183 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16185 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16186 unlikely_test_section_p test.
16188 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16190 * mode-switching.c (optimize_mode_switching): Make it static.
16191 * basic-block.h: Remove the prototype for
16192 optimize_mode_switching.
16194 * modulo-sched.c (sms_schedule): Make it static.
16195 * rtl.h: Remove the prototype for sms_schedule.
16197 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16198 * rtl.h: Remove the prototype for gcse_after_reload_main.
16200 * reg-stack.c (reg_to_stack): Make it static.
16201 * rtl.h: Remove the prototype for reg_to_stack.
16203 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16205 * rtl.h: Remove the prototypes for regrename_optimize and
16206 copyprop_hardreg_forward.
16208 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16210 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16211 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16212 Test against the appropriate null constant for the mode.
16213 If 'fixup_overlap' is true, swap the operands if they overlap.
16214 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16215 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16216 alpha_split_tmode_pair and adjust for above change.
16217 * config/alpha/alpha.md (movtf_internal): Adjust call to
16218 alpha_split_tfmode_pair and rely on it to swap the operands.
16219 (movti_internal): New insn and post-reload splitter.
16220 (movti): New expander.
16222 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16224 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16227 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16229 * rtlanal.c (global_reg_mentioned_p_1,
16230 global_reg_mentioned_p): Remove.
16231 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16233 * flow.c (initialize_uninitialized_subregs): Make it static.
16234 * rtl.h: Remove the prototype for
16235 initialize_uninitialized_subregs.
16237 * function.c (instantiate_virtual_regs): Make it static.
16238 * function.h: Remove the prototype for
16239 instantiate_virtual_regs.
16241 * regmove.c (regmove_optimize, combine_stack_adjustments):
16243 * rtl.h: Remove the prototypes for regmove_optimize and
16244 combine_stack_adjustments.
16246 2006-01-17 Roger Sayle <roger@eyesopen.com>
16248 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16249 (size_cost): Encode costs in bytes so that a reg-reg addition is
16250 equivalent to COSTS_N_INSNS(1).
16251 (override_options): Use the size_cost.branch_cost as the default
16252 ix86_branch_cost when optimizing for size.
16254 2006-01-18 Ben Elliston <bje@au.ibm.com>
16256 * Makefile.in (D32PBIT_FUNCS): New.
16257 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16258 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16259 D64PBIT_FUNCS and D128PBIT_FUNCS.
16260 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16261 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16263 (decnumber_dep): Define.
16264 * doc/libgcc.texi (Decimal float library routines): New node.
16265 * config/dfp-bit.h, config/dfp-bit.c: New files.
16267 2006-01-18 Ben Elliston <bje@au.ibm.com>
16269 * expr.c (emit_move_change_mode): Always adjust addresses, not
16270 just during reload. Copy replacements only during reload.
16271 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16272 emit_move_via_integer.
16274 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16276 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16277 instead of $(srcdir) and ${srcdir}.
16279 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16282 PR middle-end/11135
16283 * arm.h (struct machine_function): Add pic_reg.
16284 * arm.c (arm_pic_register): Make unsigned.
16285 (arm_override_options): Only set arm_pic_register if
16286 TARGET_SINGLE_PIC_BASE.
16287 (use_return_insn): Only test for a pic register if it is fixed.
16288 (arm_compute_save_reg0_reg12_mask): Likewise.
16289 (thumb_compute_save_reg_mask): Likewise.
16290 (legitimate_pic_operand): Factor out some known invariants.
16291 (legitimize_pic_address): If we don't have a fixed pic register,
16292 then set up a pseudo in the function entry sequence. Handle the
16293 pic base being in a pseudo.
16294 (arm_load_pic_register): Handle the pic register being in a pseudo.
16295 (arm_expand_prologue): Only set up the pic register if it is fixed.
16296 (thumb_expand_prologue): Likewise.
16297 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16298 (pic_load_addr_based_insn): Likewise.
16299 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16302 2006-01-18 Ben Elliston <bje@au.ibm.com>
16304 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16305 decimal float modes for all floating point registers.
16307 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16308 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16310 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16313 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16314 even when the pointer is not NULL.
16316 2006-01-16 Ian Lance Taylor <ian@airs.com>
16318 * common.opt (ftoplevel-reorder): New option.
16319 * cgraph.c (cgraph_asm_nodes): New global variable.
16320 (cgraph_asm_last_node): New static variable.
16321 (cgraph_order): New global variable.
16322 (cgraph_create_node): Set new order field.
16323 (cgraph_varpool_node): Likewise.
16324 (decide_is_variable_needed): Return true if not
16325 flag_toplevel_reorder.
16326 (cgraph_add_asm_node): New function.
16327 * cgraph.h (struct cgraph_node): Add order field.
16328 (struct cgraph_varpool_node): Add order field.
16329 (struct cgraph_asm_node): Define.
16330 (cgraph_asm_nodes, cgraph_order): Declare.
16331 (cgraph_add_asm_node): Declare.
16332 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16334 (cgraph_varpool_assemble_pending_decls): Call it.
16335 (cgraph_output_pending_asms): New static function.
16336 (cgraph_finalize_compilation_unit): Call it.
16337 (struct cgraph_order_sort): Define.
16338 (cgraph_output_in_order): New static function.
16339 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16340 !flag_toplevel_reorder case.
16341 * c-parser.c: Include "cgraph.h".
16342 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16344 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16345 than -fno-unit-at-a-time.
16346 * doc/invoke.texi (Option Summary): Mention
16347 -fno-toplevel-reorder.
16348 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16349 -funit-at-a-time documentation.
16351 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16352 Kazu Hirata <kazu@codesourcery.com>
16354 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16356 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16358 * Makefile.in (FUNCTION_H): New. Use it instead of
16359 function.h throughout the file.
16360 * function.h: Include tree.h.
16362 2006-01-17 Ben Elliston <bje@au.ibm.com>
16364 * recog.c: Separate some functions with whitespace.
16366 2006-01-16 Richard Henderson <rth@redhat.com>
16368 Merge from gomp branch:
16369 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16370 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16371 and rename from struct inline_data. Rename callee* to dst*;
16372 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16373 transform_new_cfg, transform_return_to_modify, and
16374 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16376 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16377 (copy_decl_for_dup): Remove.
16378 * tree-inline.c (struct inline_data): Move to header.
16379 (insert_decl_map): Export.
16380 (remap_decl): Update for member name changes. Use copy_decl hook.
16381 Allow for replacement to be a non-decl. Remove dead code.
16382 (remap_type_1): Check for existing mapping.
16383 (remap_type): Export.
16384 (remap_decls): Update for member name changes.
16385 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16386 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16387 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16388 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16389 (tree_function_versioning, build_duplicate_type): Likewise.
16390 (copy_body_r): Likewise. Export.
16391 (copy_decl_for_dup): Split into ...
16392 (copy_decl_for_dup_finish, copy_decl_to_var,
16393 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16394 (replace_ref_tree, inlining_p): Remove.
16396 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16398 * ifcvt.c (if_convert): Make it static.
16399 * rtl.h: Remove the prototype for if_convert.
16401 * local-alloc.c (local_alloc): Make it static.
16402 * rtl.h: Remove the prototype for local_alloc.
16404 * loop.c (loop_optimize): Make it static.
16405 * cfgloop.h: Remove the prototype for loop_optimize.
16408 2006-01-16 DJ Delorie <dj@redhat.com>
16410 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16413 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16415 * pa.md: Disparage copies between general and floating-point registers
16416 in 32-bit move patterns.
16418 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16421 * Makefile.in (check-%): Depend on site.exp instead of
16422 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16425 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16427 * global.c (global_alloc): Make it static.
16428 * rtl.h: Remove the prototype for global_alloc.
16430 2006-01-16 Richard Guenther <rguenther@suse.de>
16432 * tree-ssa-alias.c (struct used_part): Add write_only field.
16433 (get_or_create_used_part_for): Initialize it to true.
16434 (create_overlap_variables_for): Don't create structure variables
16435 for structures that only are written to.
16436 (find_used_portions): Handle MODIFY_EXPR to track whether a
16437 structure is only written to.
16439 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16441 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16443 * basic-block.h: Remove the prototype for
16444 partition_hot_cold_basic_blocks.
16446 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16448 * cppspec.c (lang_specific_spec_functions): Remove.
16449 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16450 * gcc.h (lang_specific_spec_functions): Remove.
16451 * gccspec.c (lang_specific_spec_functions): Remove.
16453 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16455 * combine.c (record_value_for_reg): Invalidate registers
16457 (record_dead_and_set_regs_1): Likewise, by passing them to
16458 record_value_for_reg.
16459 (record_dead_and_set_regs): Invalidate stores made by a
16460 call. We do not combine across a call, but we still
16461 relied on equivalences.
16463 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16465 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16466 vrp_int_const_binop returning non-constant nodes.
16468 2006-01-16 Paul Brook <paul@codesourcery.com>
16470 * config/m68k/m68k.c (output_move_const_into_data_reg):
16471 Output correct mnemonic for mvz and mvs.
16473 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16475 * rtl-factoring.c: Add sequence abstraction algorithm.
16476 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16477 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16479 (block_has_preserve_label): New function.
16480 * common.opt: Register new pass.
16481 * Makefile.in: Ditto.
16483 * timevar.def: Ditto.
16484 * tree-pass.h: Ditto.
16485 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16486 * rtl.h (make_jump_insn_raw): Add forward decl.
16487 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16489 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16490 Roger Sayle <roger@eyesopen.com>
16492 * fold-const.c (fold_minmax): New static function.
16493 (fold_binary) <MIN_EXPR>: Call it.
16494 <MAX_EXPR>: Likewise.
16495 * stor-layout.c (place_field): Use DECL_SIZE consistently
16496 in the computation of the new record size.
16498 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16500 * cse.c (cse_condition_code_reg): Make it static.
16501 * rtl.h: Remove the prototype for cse_condition_code_reg.
16503 * combine.c (combine_instructions): Make it static.
16504 * rtl.h: Remove the prototype for combine_instructions.
16506 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16509 * tree.c (get_file_function_name_long): Concatenate the first global
16510 object name with a string derived from the input filename of the object
16513 2006-01-16 Ben Elliston <bje@au.ibm.com>
16515 * config/i386/winnt-stubs.c: Update FSF address.
16516 * config/xtensa/ieee754-df.S: Ditto.
16517 * config/xtensa/ieee754-sf.S: Ditto.
16519 2006-01-14 Ian Lance Taylor <ian@airs.com>
16521 * ifcvt.c (noce_init_if_info): New static function, broken out of
16522 noce_process_if_block.
16523 (noce_process_if_block): Call noce_init_if_info.
16524 (check_cond_move_block): New static function.
16525 (cond_move_process_if_block): New static function.
16526 (process_if_block): Call cond_move_process_if_block.
16528 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16530 * cselib.c (hash_table): Rename to cselib_hash_table.
16531 (cselib_clear_table, discard_useless_values,
16532 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16533 cselib_init, cselib_finish): Adjust uses of hash_table.
16535 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16537 PR tree-optimization/25485
16538 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16539 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16540 is known to be false and true, respectively.
16542 2006-01-14 Richard Guenther <rguenther@suse.de>
16544 PR tree-optimization/22548
16545 PR tree-optimization/22555
16546 PR tree-optimization/22501
16547 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16548 * params.def (salias-max-array-elements): New parameter.
16549 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16550 * doc/invoke.texi (salias-max-array-elements): Document.
16551 * tree-flow-inline.h (var_can_have_subvars): We also handle
16553 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16555 * tree-ssa-structalias.c (params.h): Include.
16556 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16557 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16558 (get_constraint_for): For ADDR_EXPR operating on something
16559 containing an ARRAY_REF, add all subvars to the solution.
16560 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16561 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16562 for creating MUST_DEFs.
16563 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16565 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16567 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16569 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16570 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16571 number_of_iterations_le): New functions.
16572 (number_of_iterations_special): Removed.
16573 (number_of_iterations_exit): Do not use number_of_iterations_special.
16574 * tree.c (unsigned_type_for): Always return integer type.
16576 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16577 Richard Guenther <rguenther@suse.de>
16579 PR rtl-optimization/24257
16580 * gcse.c (find_moveable_store): Only consider a store movable
16581 when the SET_SRC of the insn can be assigned to a register.
16583 2006-01-14 Ian Lance Taylor <ian@airs.com>
16585 * tree.c (tree_not_class_check_failed): New function.
16586 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16587 (tree_not_class_check_failed): Declare.
16589 2006-01-13 Ian Lance Taylor <ian@airs.com>
16591 * reload1.c (do_output_reload): Add assertion rejecting a
16594 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16596 * combine.c (struct reg_stat): Add new fields truncation_label and
16598 (record_value_for_reg): Reset truncated_to_mode.
16599 (record_truncated_value): New function.
16600 (check_promoted_subreg): Call it. Rename to check_conversions.
16601 (combine_instructions): Rename check_promoted_subreg to
16603 (reg_truncated_to_mode): New function.
16604 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16605 (gen_lowpart_or_truncate): New function.
16606 (force_to_mode): Use it instead of gen_lowpart.
16608 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16610 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16611 VAR is a tag, not its type tag.
16613 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16615 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16616 alternatives to match style of other entries.
16617 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16619 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16621 PR tree-optimization/25771
16622 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16625 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16628 * tree-inline.c (declare_return_variable): If the return variable
16629 was marked as a non gimple complex, set the return slot variable
16630 to be a non gimple comple variable.
16632 2006-01-13 Richard Guenther <rguenther@suse.de>
16634 * builtins.c (expand_builtin_sincos): New function.
16635 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16637 (expand_builtin): Expand sincos using expand_builtin_sincos.
16639 2006-01-12 DJ Delorie <dj@redhat.com>
16641 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16642 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16643 so that constant shifts can be split.
16644 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16645 (m32c_valid_pointer_mode): Make static.
16646 (shift_gen_func_for): New.
16647 (m32c_prepare_shift): Use it. Split large const shifts into
16649 * config/m32c/predicates.md (shiftcount_operand): Allow more
16651 (longshiftcount_operand): New.
16652 * doc/md.texi (Machine Constraints): Document In6.
16654 2006-01-13 Ben Elliston <bje@au.ibm.com>
16656 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16657 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16660 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16662 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16663 to try to avoid clobbering pieces of structures when we know
16664 something about the whole structure.
16665 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16667 2006-01-13 Ben Elliston <bje@au.ibm.com>
16669 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16670 return in memory, as this is no limitation is no longer present.
16672 2006-01-12 DJ Delorie <dj@redhat.com>
16674 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16675 mova with fb, and for fb+0 -> An.
16677 * config/m32c/mov.md (peephole2): Fix enabling logic.
16679 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16680 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16681 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16682 FINI_ARRAY_SECTION_ASM_OP): Define.
16684 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16686 (m32c_legitimize_reload_address): New logic to reload FB to An.
16687 (m32c_output_reg_push): Add newline.
16688 (m32c_output_reg_pop): Likewise.
16690 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16692 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16694 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16696 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16698 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16700 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16703 2006-01-11 Ben Elliston <bje@au.ibm.com>
16705 * rtlanal.c (find_reg_note): Assert insn is not null.
16707 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16709 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16712 2006-01-11 Jeff Law <law@redhat.com>
16714 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16716 (mark_threaded_blocks, register_jump_thread): New functions.
16717 (thread_through_all_blocks): Remove unwanted argument. No
16718 longer rely on e->aux to communicate thread target info.
16719 Call mark_threaded_blocks. Release the threaded_blocks
16720 bitmap and threaded_edges vector when complete.
16721 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16722 (threaded_blocks): Remove.
16723 (tree_ssa_dominator_optimize): Remove initialization and
16724 finalization of threaded_blocks. Simplify call to
16725 thread_through_all_blocks.
16726 (thread_across_edge): Call register_jump_thread rather than
16727 storing thread information into e->aux.
16728 (free_all_edge_infos): Simplify now that e->aux is no longer
16729 used to communicate with thread_through_all_blocks.
16730 * tree-flow.h (thread_through_all_blocks): Update prototype.
16731 (register_jump_thread): Prototype.
16733 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16735 * df-core.c (df_compact_blocks, df_bb_replace): Use
16736 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16738 2006-01-11 Richard Guenther <rguenther@suse.de>
16740 PR tree-optimization/25734
16741 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16742 stop propagation after successful propagation to the LHS.
16744 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16746 * basic-block.h (control_flow_graph): Change the type of
16747 x_basic_block_info to VEC(basic_block,gc) *.
16748 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16750 (SET_BASIC_BLOCK): New.
16751 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16752 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16753 * cfgbuild.c (find_basic_blocks): Likewise.
16754 * cfglayout.c (fixup_reorder_chain): Likewise.
16755 * cfgrtl.c (create_basic_block_structure,
16756 rtl_create_basic_block): Likewise.
16757 * ifcvt.c (find_if_case_1): Likewise.
16758 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16761 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16763 * Makefile.in: Removed rotted odf.c entry.
16765 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16768 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16769 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16770 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16771 output pattern modifier, not %e.
16772 * config/cris/cris.c (cris_op_str): Update comment about pattern
16774 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16775 before falling through into...
16776 <case 'E'>: Redefined from old 'e' case.
16778 2006-01-11 Jan Hubicka <jh@suse.cz>
16781 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16783 2006-01-11 Jan Hubicka <jh@suse.cz>
16785 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16786 * i386.c (x86_decompose_lea): Kill.
16787 (ix86_rtx_costs): Kill.
16789 2006-01-11 Jan Hubicka <jh@suse.cz>
16791 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16792 * cgraph.h (cgraph_node): Add inline_decl.
16793 (cgraph_insert_node_to_hashtable): Declare.
16794 (save_inline_function_body): Declare.
16795 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16797 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16798 (cgraph_function_versioning): Update call of tree_function_versioning.
16799 (save_inline_function_body): New function.
16800 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16801 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16802 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16803 (cgraph_default_inline_p): Likewise.
16804 (cgraph_decide_inlining_incrementally): Likewise.
16805 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16806 (copy_bb): Kill saving; do updating of clones.
16807 (copy_cfg_body): Kill saving.
16808 (initialize_inlined-parameters): Likewise.
16809 (expand_call_inline): Likewise.
16811 (tree_function_versioning): New parameter "update_clones".
16812 (inlining_p): Kill saving.
16813 * tree-inline.h (tree_function_versioning): Update prototype.
16814 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16817 2006-01-11 Ian Lance Taylor <ian@airs.com>
16819 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16820 Allow undoing set of machine mode.
16821 (do_SUBST): Use enums instead of is_int.
16822 (do_SUBST_MODE): New function.
16823 (SUBST_MODE): New macro.
16824 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16825 reg and trying to replace reg_regno_rtx with a new register.
16826 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16827 (simplify_set): Use SUBST_MODE.
16828 (distribute_notes): Remove code that tried to update reg notes
16829 for regno_reg_rtx changes.
16831 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16833 PR tree-optimization/23109
16834 PR tree-optimization/23948
16835 PR tree-optimization/24123
16837 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16838 * tree-cfg.c (single_noncomplex_succ): New.
16839 * tree-flow.h (single_noncomplex_succ): Declare it.
16840 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16841 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16842 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16843 insert_bb, register_division_in, insert_reciprocals,
16844 replace_reciprocal, free_bb): New.
16845 (execute_cse_reciprocals_1): Rewritten.
16846 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16847 Do not commit any edge insertion. Always compute dominators and
16848 create the allocation pool.
16849 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16850 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16851 * targhooks.c (default_min_divistions_for_recip_mul): New.
16852 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16853 * passes.c (init_optimization_passes): Run recip after tree loop
16855 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16857 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16858 Kenneth Zadeck <zadeck@naturalbridge.com>
16860 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16861 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16862 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16863 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16864 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16865 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16866 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16867 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16868 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16869 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16870 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16871 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16872 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16873 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16874 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16875 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16876 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16877 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16878 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16879 DF_SCAN_POST_ALLOC): New macros.
16880 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16881 df_free_bb_function, df_local_compute_function, df_init_function,
16882 df_dataflow_function, df_confluence_function_0,
16883 df_confluence_function_n, df_transfer_function,
16884 df_finalizer_function, df_free_function, df_dump_problem_function,
16885 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16886 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16887 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16888 df_urec_bb_info, ) New types.
16889 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16891 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16892 df_analyze_simple_change_some_blocks,
16893 df_analyze_simple_change_one_block, df_compact_blocks,
16894 df_bb_replace, df_bb_regno_last_use_find,
16895 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16896 df_insn_regno_def_p, df_find_def, df_find_use,
16897 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16898 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16899 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16900 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16901 debug_df_chain, df_get_dependent_problem, df_chain_create,
16902 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16903 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16904 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16905 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16906 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16907 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16908 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16909 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16910 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16911 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16912 df_reorganize_refs, df_set_state, df_hard_reg_init,
16913 df_read_modify_subreg_p) New public functions.
16914 * df-core.c: The core dataflow solver and glue routines for rtl
16916 (df_init, df_add_problem, df_set_blocks, df_finish,
16917 df_hybrid_search_forward, df_hybrid_search_backward,
16918 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16919 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16920 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16921 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16922 df_reg_defined, df_find_use, df_reg_used, df_dump,
16923 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16924 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16925 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16926 debug_df_useno, reset_df_after_reload): New functions.
16927 * df-scan.c: The scanning fuctions, once in df.c, completely
16928 rewritten so that they now fully model the functionality of
16929 register usage at the backend.
16930 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16931 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16932 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16933 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16934 df_get_artificial_defs, df_get_artificial_uses,
16935 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16936 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16937 df_refs_delete, df_reorganize_refs, df_set_state,
16938 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16939 df_def_record_1, df_defs_record, df_uses_record,
16940 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16941 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16942 df_record_exit_block_uses, df_hard_reg_init): New functions.
16944 * df-problems.c: Seven concrete dataflow problems that use the
16945 scanning in df-scan.c and are solved by the engine in df-core.c.
16946 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16947 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16948 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16949 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16950 df_ru_free_bb_info, df_ru_alloc,
16951 df_ru_bb_local_compute_process_def,
16952 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16953 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16954 df_ru_transfer_function, df_ru_free, df_ru_dump,
16955 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16956 df_rd_free_bb_info, df_rd_alloc,
16957 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16958 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16959 df_rd_transfer_function, df_rd_free, df_rd_dump,
16960 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16961 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16962 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16963 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16964 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16965 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16966 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16967 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16968 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16969 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16970 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16971 df_urec_mark_reg_use_for_earlyclobber,
16972 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16973 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16974 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16975 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16976 df_chain_create_bb_process_use, df_chain_create_bb,
16977 df_chain_finalize, df_chain_free, df_chains_dump,
16978 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16979 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16980 df_reg_lifetime): New functions.
16981 * df.c: Deleted file.
16982 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16983 consistent with new df api.
16984 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16985 rest_of_handle_sms): Ditto.
16986 * web.c (unionfind_union, union_defs, entry_register, web_main):
16988 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16989 invariant_expr_equal_p, find_defs, check_dependencies,
16990 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16991 free_inv_motion_data, move_loop_invariants): Ditto.
16992 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16993 Update dependencies.
16994 (odf.c): Added defective entry that was deleted later in day.
16995 * sched-deps.c (sched_analyze_1): Ditto.
16997 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16999 * tree-ssa-operands.c (get_expr_operands): Record addressable
17000 variables directly. Do not call add_stmt_operands for CONST_DECLs
17002 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17003 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17005 2006-01-11 Ben Elliston <bje@au.ibm.com>
17007 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17008 function returns true in the positive case.
17010 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17013 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17014 for SI, DI, SF and DF modes. Add alternatives to copy between
17015 general and floating point registers to the 32-bit patterns.
17016 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17017 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17018 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17019 generating 64-bit code.
17020 * config/pa/pa.c (output_move_double): Handle copies between general
17021 and floating registers.
17023 2006-01-10 Stuart Hastings <stuart@apple.com>
17025 * config/i386/i386.md (set_got): Update.
17026 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17027 (builtin_setjmp_receiver): Mach-O support.
17028 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17029 (GOT_SYMBOL_NAME): Define.
17030 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17031 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17032 * config/i386/i386.c (override_options): Revise for Darwin.
17033 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17034 support. (darwin_x86_file_end): New. (output_set_got): Add label
17035 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17036 * config/i386/i386-protos.h (output_set_got): Likewise.
17037 * config/darwin.c (machopic_legitimize_pic_address): Update
17040 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17042 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17043 when MODE isn't BLKmode.
17045 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17047 PR rtl-optimization/25367
17048 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17050 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17053 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17054 for a negative bound.
17056 2006-01-10 Richard Guenther <rguenther@suse.de>
17058 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17059 Never override with anything constraint.
17061 2006-01-10 Jan Beulich <jbeulich@novell.com>
17063 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17064 256 bits when optimize_size.
17066 2006-01-10 Jan Beulich <jbeulich@novell.com>
17068 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17070 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17071 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17074 2006-01-10 Ben Elliston <bje@au.ibm.com>
17076 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17078 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17079 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17080 (USE_FP_FOR_ARG): Reject decimal float modes.
17081 (function_arg_advance): Likewise.
17082 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17083 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17084 point types in AltiVec vectors.
17085 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17086 (rs6000_libcall_value): Likewise.
17088 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17090 * config/xtensa/ieee754-df.S: New file.
17091 * config/xtensa/ieee754-sf.S: New file.
17092 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17093 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17094 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17096 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17098 * config/sh/predicates.md (binary_float_operator,
17099 binary_logical_operator, commutative_float_operator,
17100 equality_comparison_operator, greater_comparison_operator,
17101 less_comparison_operator, logical_operator,
17102 noncommutative_float_operator, shift_operator,
17103 symbol_ref_operand, unary_float_operator): Remove redundant
17106 2006-01-09 Jeff Law <law@redhat.com>
17108 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17109 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17110 now unused arguments. Callers updated.
17111 (eliminate_redundant_computations): Remove now unused arguments,
17113 (local_fold): Remove, no longer used.
17114 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17116 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17117 (simplify_cond): New function.
17118 (forward_propagate_into_cond): Call simplify_cond.
17120 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17122 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17123 (*vec_extractv2di_1_sse): New.
17125 2006-01-09 Ben Elliston <bje@au.ibm.com>
17127 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17129 2006-01-08 Richard Guenther <rguenther@suse.de>
17131 * tree-ssa-structalias.c (get_constraint_for): Remove
17132 anyoffset argument.
17133 (get_constraint_for_component_ref): Likewise.
17134 (do_deref): Likewise.
17135 (get_constraint_for): Likewise.
17136 (do_structure_copy): Likewise.
17137 (handle_ptr_arith): Likewise.
17138 (find_func_aliases): Likewise. Remove unused need_anyoffset
17141 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17142 Kaz Kojima <kkojima@gcc.gnu.org>
17144 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17145 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17146 (EXTRA_CONSTRAINT_C16): Remove.
17147 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17148 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17149 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17150 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17151 constants of SHmedia. Handle nested constant expressions of
17153 (andcosts): Fix the costs for SHmedia constants.
17154 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17155 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17156 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17157 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17158 (movv4hi_i, movv2si_i): Likewise.
17159 (movsi_const): Adjust the second operand of ior so to match with
17160 the Csu constraint.
17161 (movdi_const, movdi_const_32bit): Likewise.
17162 (movdi_const_16bit+1): Don't sign-extend LOW.
17163 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17165 (*double_shori): Fix the split condition. Use GEN_INT instead
17166 of get_int_mode calls. Mask lower 16-bit of the argument of
17168 (sym2GOTPLT): Remove.
17169 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17171 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17172 instead of EXTRA_CONSTRAINT_C16.
17174 2006-01-07 Ian Lance Taylor <ian@airs.com>
17175 David Edelsohn <edelsohn@gnu.org>
17177 PR rtl-optimization/25662
17178 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17179 for constant operands instead of simplify_gen_binary.
17180 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17181 after trying simplify_binary_operation
17183 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17185 * tree.c (iterative_hash_expr): Hash decls based on UID.
17187 2006-01-06 Eric Christopher <echristo@apple.com>
17189 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17190 (TARGET_UNWIND_EMIT): Fix spelling.
17191 * target.h (gcc_target): Add except_table_label.
17192 * except.c (output_function_exception_table): Use.
17193 * varasm.c (default_emit_except_table_label): New.
17194 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17196 (asm_out): Add here.
17197 * output.h (default_emit_except_table_label): Prototype.
17198 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17199 * config/darwin.c (darwin_emit_except_table_label): Define.
17200 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17202 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17204 PR tree-optimization/18527
17205 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17206 number_of_iterations_special, number_of_iterations_exit):
17207 Move base and step of an iv to a single structure. Add
17208 no_overflow flag, and use it in # of iterations analysis.
17209 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17210 folded_casts argument.
17211 (simple_iv): Pass base and step in a structure. Set no_overflow
17213 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17214 Evaluate expensiveness of computing # of iterations instead of
17215 the final expression.
17216 * tree-scalar-evolution.h (affine_iv): New structure.
17217 (simple_iv): Declaration changed.
17218 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17219 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17220 find_givs_in_stmt): Changed due to simple_iv change.
17222 2006-01-06 Jeff Law <law@redhat.com>
17225 * tree-cfg.c (bsi_replace): Rename final argument from
17226 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17227 change (stmt -> orig_stmt).
17228 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17229 (bsi_remove): Add new argument. Remove EH information
17231 (verify_eh_throw_table_statements): New function.
17232 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17234 * tree-optimize.c (execute_free_cfg_annotations): Verify
17235 the EH throw statement table after removing annotations.
17236 * except.h (verify_eh_throw_table_statements): Prototype.
17237 * tree-flow.h (bsi_remove): Update prototype.
17238 * tree-vrp.c (remove_range_assertions): Add new argument to
17240 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17241 * tree-complex.c (expand_complex_div_wide): Likewise.
17242 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17243 * tree-tailcall.c (eliminate_tailcall): Likewise.
17244 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17245 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17246 * tree-nrv.c (tree_nrv): Likewise.
17247 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17248 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17249 (combine_blocks): Likewise.
17250 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17251 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17252 (cleanup_control_flow): Likewise.
17253 (remove_forwarder_block): Likewise.
17254 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17255 * tree-sra.c (sra_replace): Likewise.
17256 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17257 (forward_propagate_single_use_vars): Likewise.
17258 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17259 * tree-inline.c (expand_call_inline): Likewise.
17260 * tree-vect-transform.c (vect_transform_loop): Likewise.
17261 * tree-outof-ssa.c (rewrite_trees): Likewise.
17262 * tree-cfg.c (make_goto_expr_edges): Likewise.
17263 (cleanup_dead_labels): Likewise.
17264 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17265 (bsi_move_before, bsi_move_after): Likewise.
17266 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17267 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17269 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17272 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17274 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17275 on non gimple variables. Also add checks at the top for decls and
17277 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17279 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17280 and IMAGPART_EXPR for creating MUST_DEFs.
17281 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17282 and NAME_MEMORY_TAG separately from the DECLs.
17284 2006-01-06 Richard Guenther <rguenther@suse.de>
17286 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17287 annotation, if necessary.
17288 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17289 redundant calls to update_stmt.
17290 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17293 2006-01-05 Richard Henderson <rth@redhat.com>
17295 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17297 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17299 * c-typeck.c: Update copyright date.
17301 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17303 * c-typeck.c (build_c_cast): Always warn when casting
17304 from a pointer to an integer of different size, even if
17305 the node was constant.
17307 2006-01-05 Richard Guenther <rguenther@suse.de>
17309 PR tree-optimization/22555
17310 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17311 if one structure field is an array.
17312 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17313 operands even if we found a subvar, but ignore VOPs in this
17315 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17317 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17319 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17321 PR middle-end/24998
17322 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17324 2006-01-05 Richard Guenther <rguenther@suse.de>
17325 Diego Novillo <dnovillo@redhat.com>
17327 * tree-pass.h (TODO_remove_unused_locals): Define.
17328 * gimple-low.c (expand_var_p, remove_useless_vars,
17329 pass_remove_useless_vars): Remove. Update all users.
17330 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17331 (remove_unused_locals): New function.
17332 * tree-flow.h (remove_unused_locals): Declare.
17333 * passes.c (execute_todo): Call remove_unused_locals if
17334 TODO_remove_unused_locals is set.
17335 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17336 * tree-ssa-dce.c (pass_dce): Likewise.
17337 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17339 2006-01-05 Richard Guenther <rguenther@suse.de>
17341 * tree-flow.h (struct fieldoff): Decompose field to
17342 type, size and decl.
17343 * tree-ssa-alias.c (create_sft): Take type as parameter.
17344 (create_overlap_variables_for): Store type, size and decl
17345 in the fieldoff structure.
17346 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17347 of struct fieldoff.
17348 (push_fields_onto_fieldstack): Likewise.
17349 (create_variable_info_for): Likewise. Use offset for the
17350 SFT name if the decl is not available.
17352 2006-01-04 Paul Brook <paul@codesourcery.com>
17354 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17356 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17358 * lambda-code.c (can_put_in_inner_loop): Relax
17360 (can_put_after_inner_loop): New function.
17361 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17362 (perfect_nestify): Change to make copies and modify uses.
17364 2006-01-04 Richard Henderson <rth@redhat.com>
17366 Merge from gomp branch:
17367 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17368 via integer constant.
17369 (pragma_lex): Remove.
17370 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17371 rather than parsing it.
17372 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17373 handle_pragma_extern_prefix): Add %< %> quotes.
17374 (registered_pragmas): New.
17375 (c_register_pragma_1): New.
17376 (c_register_pragma): Use it.
17377 (c_register_pragma_with_expansion): Likewise.
17378 (c_invoke_pragma_handler): New.
17379 (init_pragma): Use cpp_register_deferred_pragma directly for
17381 * c-pragma.h (enum pragma_kind): New.
17382 (pragma_handler): New.
17383 (c_invoke_pragma_handler): Declare.
17384 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17386 * c-common.h (c_common_pch_pragma): Update decl.
17387 * Makefile.in (c-parser.o): Update dependencies.
17388 (GTFILES): Add c-pragma.h.
17389 * c-parser.c (struct c_token): Add pragma_kind.
17390 (struct c_parser): Add in_pragma.
17391 (c_lex_one_token): Always initialize keyword and pragma_kind.
17392 Extract data for CPP_PRAGMA.
17393 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17394 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17395 Don't allow CPP_PRAGMA_EOL if in_pragma.
17396 (c_parser_consume_pragma): New.
17397 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17398 (c_parser_skip_to_end_of_parameter): Likewise.
17399 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17400 (c_parser_skip_to_pragma_eol): New.
17401 (c_parser_external_declaration): Handle CPP_PRAGMA.
17402 (c_parser_compound_statement_nostart): Likewise.
17403 (c_parser_statement_after_labels): Likewise.
17404 (c_parser_pragma): New.
17405 (pragma_lex): Likewise.
17406 (c_parser_pragma_pch_preprocess): New.
17407 (c_parser_new): Merge into ...
17408 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17410 2006-01-04 Jeff Law <law@redhat.com>
17413 * tree-cfg.c (bsi_replace): Remove the original statement
17414 from the EH throw statement table.
17416 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17418 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17419 make the prototype extern "C" and add throw ().
17422 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17423 and pos non-negative and pos + len <= 32.
17424 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17425 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17426 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17429 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17430 as well as sizes not multiple of component size.
17433 * function.c (instantiate_expr): New function.
17434 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17435 walk its DECL_VALUE_EXPR with instantiate_expr.
17437 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17438 DW_OP_deref{,_size} if address isn't going to be added.
17440 2006-01-04 Ben Elliston <bje@au.ibm.com>
17442 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17443 * config/fp-bit.c: Likewise.
17445 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17447 * dominance.c: Add comment about why we use DFS numbering
17450 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17451 Richard Henderson <rth@redhat.com>
17453 Merge from gomp-branch:
17454 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17455 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17457 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17459 PR rtl-optimization/25578
17460 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17461 pass a parameter to simplify_shift_const if changing ASHIFTRT
17464 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17466 * builtins.c (get_builtin_sync_mem): New function.
17467 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17468 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17469 Call get_builtin_sync_mem to generate mem rtx.
17471 2006-01-03 Richard Guenther <rguenther@suse.de>
17474 * stmt.c (add_case_node): Make sure to clear overflow flags
17477 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17479 Merge from gomp-branch.
17480 * config/sparc/sync.md: New file.
17481 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17482 UNSPECV_LDSTUB): New constants.
17483 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17484 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17485 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17488 2006-01-03 Roger Sayle <roger@eyesopen.com>
17490 * combine.c (reg_subword_p): New predicate to test whether the
17491 destination of a set refers to a subword/piece of a register.
17492 (try_combine): Generalize the code to merge the setting of a
17493 pseudo to a constant followed by a set of a subword of that
17494 register to a constant.
17496 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17498 * basic-block.h (control_flow_graph): Change the type of
17499 x_label_to_block_map to VEC(basic_block,gc) *.
17500 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17501 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17503 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17504 VEC(basic_block,heap) *.
17505 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17506 ssa_prop_fini): Adjust the uses of cfg_blocks.
17508 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17510 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17512 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17513 hashing trees instead of a pointer hash.
17514 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17515 compare for MEM_EXPR.
17517 PR rtl-optimization/25130
17518 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17519 when comparing MEMs for GCSE
17521 2006-01-03 Ben Elliston <bje@au.ibm.com>
17523 * targhooks.h (default_decimal_float_supported_p): Declare.
17524 * targhooks.c (default_decimal_float_supported_p): Define.
17525 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17526 `default_decimal_float_supported_p'.
17527 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17529 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17531 * combine.c (apply_distributive_law <SUBREG>): Check
17532 TRULY_NOOP_TRUNCATION.
17534 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17536 * dwarf2out.c (have_switched_text_section): Delete.
17537 (have_multiple_function_sections): New.
17538 (have_location_lists): Make 'bool'.
17539 (add_AT_loc_list): Use 'true' not '1'.
17540 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17541 (output_loc_list): Use have_multiple_function_sections.
17542 (output_ranges): Likewise.
17543 (dwarf2out_begin_function): Set have_multiple_function_sections if
17545 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17546 Check function_section rather than DECL_SECTION_NAME.
17547 (dwarf2out_finish): Use have_multiple_function_sections.
17548 Don't clear have_location_lists.
17550 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17551 Jan Hubicka <jh@suse.cz>
17553 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17554 case of conditional jump jumping to the next instruction.
17555 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17556 cases of conditional jump jumping to the next instruction.
17558 2006-01-02 Jan Hubicka <jh@suse.cz>
17560 * i386.c (*_cost): Add COSTS_N_INSNS.
17561 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17563 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17566 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17568 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17570 * config/arm/arm.c (all_fpus): Fix comment typo.
17571 * config/darwin.c: Likewise.
17572 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17573 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17574 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17576 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17578 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17579 (rs6000_split_compare_and_swapqhi): New.
17580 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17581 (sync_compare_and_swapqhi_internal): New.
17582 * config/rs6000/rs6000-protos.h: Declare.