1 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2 Steven Bosscher <steven@gcc.gnu.org>
5 * Makefile.in: Add fwprop.o.
6 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
7 * passes.c (init_optimization_passes): Schedule forward propagation.
8 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
10 * timevar.def (TV_FWPROP): New.
11 * common.opt (-fforward-propagate): New.
12 * opts.c (decode_options): Enable forward propagation at -O2.
13 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
14 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
15 canon_for_address, table_size): Remove.
16 (new_basic_block, insert, remove_from_table): Remove references to
18 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
19 simplification loop more straightforward by not calling fold_rtx
21 (equiv_constant): Move here a small part of fold_rtx_subreg,
22 do not call fold_rtx. Call avoid_constant_pool_reference
24 * recog.h (canonicalize_change_group): New.
26 * doc/invoke.texi (Optimization Options): Document fwprop.
27 * doc/passes.texi (RTL passes): Document fwprop.
29 2006-11-03 Geoffrey Keating <geoffk@apple.com>
31 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
32 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
33 (grokdeclarator): Likewise.
35 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
37 * tree-dump.c (dump_enable_all): Rename local variable
38 ir_type to avoid name conflicts.
39 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
40 instead of using ir_type().
41 * profile.c (tree_register_profile_hooks): Likewise.
42 * value-prof.c (tree_register_value_prof_hooks): Likewise.
43 * basic-block.h (struct edge_def): Likewise.
44 * config/arm/arm.c (legitimize_pic_address): Likewise.
45 * coretypes.h (ir_type): New enum of all intermediate languages
47 * cfghooks.c (ir_type): Rename to...
48 (current_ir_type): ...this. Distinguish between cfgrtl and
49 cfglayout mode when the current IR is RTL. Return enum ir_type.
50 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
52 2006-11-03 Paul Brook <paul@codesourcery.com>
54 * config/arm/arm.c (arm_file_start): New function.
55 (TARGET_ASM_FILE_START): Define.
56 (arm_default_cpu): New variable.
57 (arm_override_options): Set arm_default_cpu.
59 2006-11-03 David Ung <davidu@mips.com>
61 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
62 PROCESSOR_24KC and PROCESSOR_24KF.
63 * config/mips/mips.c (mips_cpu_info_table): Add processor names
64 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
65 (mips_rtx_cost_data): Add costs for the 24kc.
66 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
67 * config/mips/24k.md: Remove references to 24k and replace with
68 uses of 24kc/24kf in the appropriate reservations.
69 * doc/invoke.texi (MIPS Options): Updated.
71 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
73 * config/sh/crt1.asm: Fix #ifdef indent.
75 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
76 Merged from STMicroelectronics sources:
77 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
78 * config/sh/crt1.asm (vbr_600): Add missing #if.
79 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
80 * sh.opt (mfused-madd): New option.
81 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
82 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
83 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
84 Remove pointless handler at VBR+0.
85 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
86 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
87 fr7. Make sure the timer handler is called with the correct FPU
88 precision setting, according to the ABI.
89 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
90 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
91 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
92 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
93 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
94 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
95 zero as second operand.
96 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
97 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
98 Fixed some bugs related to negative values, in particular -0
99 and overflow at -0x80000000.
100 * config/sh/divcost-analysis: Added sh4-300 figures.
101 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
102 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
103 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
104 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
105 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
106 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
108 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
110 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
111 SH4-300 scheduling description & fixes to SH4-[12]00 description:
112 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
113 mac_mem, mem_mac, dfp_mul, fp_cmp.
114 (insn_class, dfp_comp, any_fp_comp): Update.
115 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
116 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
117 (muldf3_i): Likewise.
118 (movsi_i): Split rI08 alternative into two separate alternatives.
120 (movsi_ie, movsi_i_lowpart): Likewise.
121 (movqi_i): Split ri alternative into two separate alternatives.
123 * sh1.md (sh1_load_store, sh1_fp): Update.
124 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
125 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
126 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
127 (sh4a_fp_double_arith): Likewise.
128 * sh4-300.md: New file.
129 * sh.c (sh_handle_option): Handle m4-300* options.
130 (sh_adjust_cost): Fix latency of auto-increments.
131 Handle SH4-300 differently than other SH4s. Check for new insn types.
132 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
133 been set by an option.
134 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
135 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
136 (mbranch-cost=): Likewise.
137 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
139 * sh.md (mulsf3): Remove special expansion code.
140 (mulsf3_ie): Now a define_insn_and_split.
141 (macsf3): Allow for TARGET_SH4.
143 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
144 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
145 (expand_cbranchdi4): Likewise.
146 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
147 CONST_DOUBLE if the outer code is COMPARE.
148 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
149 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
150 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
151 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
152 Remove redundant fp_{zero,one}_operand checks.
153 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
154 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
155 (expand_cbranchdi4): Likewise.
156 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
157 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
159 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
161 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
164 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
166 * doc/invoke.texi: Fix mfp-trap-mode typo.
168 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
170 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
171 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
172 file_end_indicate_exec_stack.
173 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
175 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
176 for a non-executable stack.
177 * crti.asm: Likewise.
178 * crtn.asm: Likewise.
179 * libunwind.S: Likewise.
181 2006-11-02 Ben Elliston <bje@au.ibm.com>
183 * tree-ssa.c (warn_uninit): Use expand_location variables for
184 locus and declaration locus.
186 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
189 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
190 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
191 cmp{eq,gt,gtu}{si,di}_media.
192 (*cmpne0si_media): Remove.
193 (*movsicc_umin): Adjust gen_cmp*_media call.
194 (unordered): Change the mode of unordered and operands[1] to
196 (seq): Adjust gen_cmp*_media calls. Make the mode of
197 a temporary result of compare SImode if needed. If the mode
198 of operands[0] is DImode, extend the temporary result to DImode.
199 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
200 (sunorderd): Change the mode of match_operand and unorderd to
202 (cmpeq{sf,df}_media): Remove.
203 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
204 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
205 and compare operation to SImode.
207 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
209 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
211 (sparc64-sun-solaris2*): Likewise.
213 2006-11-02 Paul Brook <paul@codesourcery.com>
215 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
216 from priority argument. Use different section for non-default
218 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
220 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
223 * except.c (switch_to_exception_section): Do not cache the section
224 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
225 and flag_function_sections is set.
227 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
230 * builtins.c (do_mpfr_sincos): New.
231 (fold_builtin_1): Use it to fold builtin sincos.
233 2006-11-01 Roger Sayle <roger@eyesopen.com>
235 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
236 it into -D_REENTRANT.
238 2006-11-01 Roger Sayle <roger@eyesopen.com>
240 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
241 whether the assembler supports taking the difference of symbols in
242 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
243 * configure: Regenerate.
244 * config.in: Regenerate.
245 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
246 the assembler doesn't support taking the difference of symbols in
247 different sections, i.e. we're using the native solaris assembler.
249 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
250 Peter Bergner <bergner@vnet.ibm.com>
252 * doc/invoke.texi: Add cpu_type power6x
253 (RS/6000 and PowerPC Options): Add -mmfpgpr.
254 * config.gcc: Add cpu_type power6x.
255 * configure.ac: Add test for mf{t,f}gpr instructions.
256 (HAVE_AS_MFPGPR): New.
257 * config.in: Regenerate.
258 * configure: Regenerate.
259 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
260 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
261 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
262 and mftgpr attributes.
263 (define_attr "cpu"): Add power6.
264 Change instruction sequences to use new attributes.
265 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
266 (fix_truncdfsi2_mfpgpr): New.
267 (floatsidf_ppc64_mfpgpr): New.
268 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
269 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
270 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
271 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
272 (fix_truncdfsi2): Use gpc_reg_operand constraint.
273 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
274 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
275 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
276 cntlz,exts and var_delayed_compare.
277 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
278 _ARCH_PWR6X, if features enabled.
279 * config/rs6000/rs6000.opt (mmfpgpr): New.
280 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
281 (cached_can_issue_more): New variable.
282 (processor_costs): Add power6_cost.
283 (rs6000_sched_init): New function.
284 (is_dispatch_slot_restricted): Deleted.
285 (set_to_load_agen): New function.
286 (is_load_insn,is_store_insn): New functions.
287 (adjacent_mem_locations): New function.
288 (insn_must_be_first_in_group): New function.
289 (insn_must_be_last_in_group): New function.
290 (rs6000_sched_reorder): New function.
291 (rs6000_sched_reorder2): New function.
292 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
293 TARGET_SCHED_REORDER2): Define.
294 (processor_target_table): Use PROCESSOR_POWER6 for power6.
295 Add power6x. Add MASK_MFPGPR for power6x.
296 (POWERPC_MASKS): Add MASK_MFPGPR.
297 (rs6000_override_options): Set rs6000_always_hint to false
298 for power6. Set rs6000_align_branch_targets. Replace
299 rs6000_sched_groups check with rs6000_align_branch_targets.
300 Use PROCESSOR_POWER6.
301 (last_scheduled_insn): New variable.
302 (load_store_pendulum): New variable.
303 (rs6000_variable_issue): Set last_scheduled_insn and
304 cached_can_issue_more.
305 (rs6000_adjust_cost): Add power6 cost adjustments.
306 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
307 with insn_must_be_first_in_group. Add power6 priority adjustments.
308 (rs6000_issue_rate): Add CPU_POWER6.
309 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
310 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
311 (TARGET_MFPGPR): New.
312 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
313 (ASM_CPU_SPEC): Add power6x.
314 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
316 * config/rs6000/power6.md: New file.
318 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
320 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
321 HOST_WIDE_INT_PRINT to print high and low parts. Use
322 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
323 printing a hexadecimal number prefix it with 0x.
325 2006-11-01 Chris Johns <chris@contemporary.net.au>
328 * Makefile.in (install-driver): Use exeext when installing
329 $target-gcc-$version.
331 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
333 * c-common.c (flag_cpp0x): New.
334 * c-common.h (flag_cpp0x): New.
335 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
336 supported, define __GXX_EXPERIMENTAL_CPP0X__.
337 * c-opts.c (set_std_cxx0x): New.
338 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
339 * c.opt (std=c++0x): Document.
340 (std=gnu++0x): Ditto.
341 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
342 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
344 2006-11-01 Richard Guenther <rguenther@suse.de>
346 * config/i386/i386.c (ix86_expand_rint): Fix issues with
348 (ix86_expand_floorceildf_32): Likewise.
349 (ix86_expand_floorceil): Likewise.
350 (ix86_expand_trunc): Likewise.
352 2006-10-31 Andrew Pinski <pinskia@gmail.com>
354 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
357 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
359 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
361 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
363 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
365 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
366 * configure.ac (use_cxa_atexit): As a special case, don't test
367 for libc definition of __cxa_atexit on mingw32
368 * configure: Regenerate.
369 * config.gcc (i[34567]86-pc-mingw32): Default to
370 enable__cxa_atexit=yes.
372 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
374 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
376 2006-10-31 Geoffrey Keating <geoffk@apple.com>
379 * c-decl.c (start_struct): Don't create self-containing
381 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
383 * config/rs6000/rs6000-protos.h
384 (darwin_rs6000_special_round_type_align): New.
385 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
386 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
388 2006-10-31 Geoffrey Keating <geoffk@apple.com>
390 * toplev.c (compile_file): Call final_write_globals
391 even if there have been errors.
393 2006-10-31 Eric Christopher <echristo@apple.com>
394 Falk Hueffner <falk@debian.org>
396 * doc/extend.texi (__builtin_bswap32): Document.
397 (__builtin_bswap64): Ditto.
398 * doc/libgcc.texi (bswapsi2): Document.
400 * doc/rtl.texi (bswap): Document.
401 * optabs.c (expand_unop): Don't widen a bswap.
402 (init_optabs): Init bswap. Set libfuncs explicitly
403 for bswapsi2 and bswapdi2.
404 * optabs.h (OTI_bswap): New.
405 (bswap_optab): Ditto.
406 * genopinit.c (optabs): Handle bswap_optab.
407 * tree.h (tree_index): Add TI_UINT32_TYPE and
409 (uint32_type_node): New.
410 (uint64_type_node): Ditto.
411 * tree.c (build_common_tree_nodes_2): Initialize
412 uint32_type_node and uint64_type_node.
413 * builtins.c (expand_builtin_bswap): New.
414 (expand_builtin): Call.
415 (fold_builtin_bswap): New.
416 (fold_builtin_1): Call.
417 * fold-const.c (tree_expr_nonnegative_p): Return true
419 * builtin-types.def (BT_UINT32): New.
421 (BT_FN_UINT32_UINT32): Ditto.
422 (BT_FN_UINT64_UINT64): Ditto.
423 * builtins.def (BUILT_IN_BSWAP32): New.
424 (BUILT_IN_BSWAP64): Ditto.
425 * rtl.def (BSWAP): New.
426 * genattrtab.c (check_attr_value): New.
427 * libgcc2.c (__bswapSI2): New.
429 * libgcc2.h (__bswapSI2): Declare.
431 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
432 * simplify-rtx.c (simplify_const_unary_operation): Return
434 * libgcc-std.ver (__bwapsi2): Add.
436 * reload1.c (eliminate_regs_1): Add bswap.
437 (elimination_effects): Ditto.
438 * config/i386/i386.h (x86_bswap): New.
440 * config/i386/i386.c (x86_bswap): Set.
442 2006-10-31 Geoffrey Keating <geoffk@apple.com>
444 * coverage.c (coverage_checksum_string): Update comment.
445 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
446 of get_file_function_name.
447 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
448 of get_file_function_name_long.
449 * tree.c (get_file_function_name): Rename from
450 get_file_function_name_long; improve comment; handle 'I' and 'D'
451 specially when the target has ctor/dtor support; remove special
453 (get_file_function_name): Remove.
454 * tree.h (get_file_function_name): Rename from
455 get_file_function_name_long.
456 (get_file_function_name): Remove prototype.
458 2006-10-31 Geoffrey Keating <geoffk@apple.com>
460 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
461 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
463 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
464 Call dsymutil when compiling and linking one or more source files
467 2006-10-31 Geoffrey Keating <geoffk@apple.com>
470 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
472 2006-10-31 Geoffrey Keating <geoffk@apple.com>
474 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
475 inline static functions in c99 mode.
478 * doc/extend.texi (Inline): Update.
479 * c-tree.h (struct language_function): Remove field 'extern_inline'.
480 * c-decl.c (current_extern_inline): Delete.
481 (pop_scope): Adjust test for an undefined nested function.
482 Add warning about undeclared inline function.
483 (diagnose_mismatched_decls): Update comments. Disallow overriding
484 of inline functions in a translation unit in C99. Allow inline
485 declarations in C99 at any time.
486 (merge_decls): Boolize variables. Handle C99 'extern inline'
488 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
489 C99 inline semantics.
490 (start_function): Don't clear current_extern_inline. Don't set
492 (c_push_function_context): Don't push current_extern_inline.
493 (c_pop_function_context): Don't restore current_extern_inline.
496 * c-typeck.c (build_external_ref): Warn about static variables
497 used in extern inline functions.
498 * c-decl.c (start_decl): Warn about static variables declared
499 in extern inline functions.
501 2006-10-31 Roger Sayle <roger@eyesopen.com>
504 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
505 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
506 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
507 or y is an even integer.
509 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
512 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
513 * gthr-posix95.h (__gthread_active_p): Likewise.
515 2006-10-31 Richard Guenther <rguenther@suse.de>
517 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
518 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
519 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
520 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
521 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
522 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
523 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
524 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
527 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
529 * opts.c (decode_options): Disable CSE skip blocks.
531 2006-10-30 Dirk Mueller <dmueller@suse.de>
533 * c-common.h (strict_aliasing_warning): Fix whitespace.
534 * c-decl (start_function): Move code for main decl warning ..
535 * c-common.c (check_main_parameter_types): .. here.
536 * c-common.h (check_main_parameter_types): Declare.
538 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
541 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
543 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
545 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
546 be a PARALLEL containing sets. Return false when out_pat is not
549 2006-10-30 Richard Sandiford <richard@codesourcery.com>
551 * config/mips/mips.md (mul<mode>3): Split into...
552 (mulsi3, muldi3): ...these separate patterns.
554 2006-10-30 Richard Sandiford <richard@codesourcery.com>
556 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
557 but with each set of options separated by spaces.
559 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
561 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
562 dwarf_reg_size_table has been initialized.
564 2006-10-30 Roger Sayle <roger@eyesopen.com>
566 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
567 * ddg.c (print_ddg_edge): Likewise.
568 * dwarf2out.c (prune_unused_types_walk): Likewise.
569 * ifcvt.c (noce_try_cmove_arith): Likewise.
570 * langhooks.c (add_builtin_function): Likewise.
571 * reg-stack.c (subst_stack_regs_pat): Likewise.
572 * tree.c (expanded_location): Likewise.
573 * tree-dump.c (dequeue_and_dump): Likewise.
575 2006-10-30 David Daney <ddaney@avtrex.com>
577 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
579 2006-10-30 Jakub Jelinek <jakub@redhat.com>
581 PR tree-optimization/29637
582 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
583 of the innertype is the innertype itself.
585 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
587 * dwarf2out.c (file_name_acquire): Correct typo.
589 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
591 * tree.h (tree_value_handle): Remove struct value_set declaration.
592 Change value_set to bitmap_set.
593 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
594 * tree-vn.c (get_value_handle): Made inline and moved to
596 * tree-flow-inline.h: (has_stmt_ann): New function.
597 * tree-ssa-pre.c (expressions): New variable.
598 (next_expression_id): Ditto.
599 (alloc_expression_id): New function.
600 (struct value_set): Remove.
601 (get_expression_id): New function.
602 (get_or_alloc_expression_id): Ditto.
603 (expression_for_id): Ditto.
604 (clear_expression_ids): Ditto.
605 (FOR_EACH_EXPR_ID_IN_SET): New macro.
606 (bb_value_sets): Renamed to bb_bitmap_sets.
607 All value sets replaced with bitmap_sets.
609 (BB_VISITED): New macro.
610 (postorder): New variable.
611 (add_to_value): Removed.
612 (value_exists_in_set_bitmap): Ditto.
613 (value_insert_into_set_bitmap): Ditto.
617 (set_contains_value): Ditto.
618 (insert_into_set): Ditto.
620 (find_leader): Ditto.
621 (bitmap_set_subtract_from_value_set): Ditto.
622 (value_insert_into_set): Ditto.
623 (print_value_set): Ditto.
624 (debug_value_set): Ditto.
625 (constant_expr_p): New function.
626 (bitmap_remove_from_set): Ditto.
627 (bitmap_insert_into_set): Ditto.
628 (bitmap_set_free): Ditto.
630 (sorted_array_from_bitmap_set): Ditto.
631 (bitmap_set_subtract): Ditto.
632 (bitmap_set_equal): Ditto.
633 (debug_bitmap_set): Ditto.
634 (find_leader_in_sets): Ditto.
635 (bitmap_set_replace_value): Modify for bitmapped sets.
636 (phi_translate): Ditto.
637 (phi_translate_set): Ditto.
638 (bitmap_find_leader): Ditto.
639 (valid_in_sets): Ditto.
640 (union_contains_value): Ditto.
642 (compute_antic_aux): Ditto. Mark changed blocks.
643 (compute_antic): Ditto. Iterate in postorder and only over
645 (compute_rvuse_and_antic_safe): Reuse postorder.
646 (create_component_ref_by_pieces): Modify for bitmapped sets.
647 (find_or_generate_expression): Ditto.
648 (create_expression_by_pieces): Ditto.
649 (insert_into_preds_of_block): Ditto.
650 (changed_blocks): New variable.
651 (do_regular_insertion): Broken out from insert_aux.
652 (insert_aux): Modified for bitmapped sets.
653 (find_existing_value_expr): New function.
654 (create_value_expr_from): Use it.
655 (insert_extra_phis): Removed.
656 (print_bitmap_set): Renamed from bitmap_print_value_set.
657 (compute_avail): Handle RETURN_EXPR.
658 (init_pre): Modify for bitmapped sets.
659 * tree-flow.h (has_stmt_ann): New function.
661 2006-10-29 Roger Sayle <roger@eyesopen.com>
663 * builtins.c (fold_builtin_floor): Check for the availability of
664 the C99 trunc function before transforming floor into trunc.
666 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
668 * builtins.c (fold_builtin_hypot): Rearrange recursive
669 transformation before others, and also do ABS_EXPR. When
670 necessary, check flag_unsafe_math_optimizations. When necessary,
673 2006-10-29 Roger Sayle <roger@eyesopen.com>
675 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
676 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
677 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
678 Fold -X eq/ne -Y as X eq/ne Y.
680 2006-10-29 Richard Sandiford <richard@codesourcery.com>
682 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
683 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
684 rather than GENERATE_MULT3_SI in the various define_peephole2s.
685 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
686 Use an inclusive test for "mult" rather than "mul".
687 (rotr<mode>3): Depend on ISA_HAS_ROR.
688 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
690 (GENERATE_MULT3_DI): Delete.
691 (ISA_HAS_64BIT_REGS): Use consistent formatting.
692 (ISA_HAS_MUL3): New macro.
693 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
694 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
695 (ISA_HAS_CLZ_CLO): Likewise.
696 (ISA_HAS_DCLZ_DCLO): Delete.
697 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
698 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
699 the VR4120 and VR4130.
700 (ISA_HAS_MACCHI): Use consistent formatting.
701 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
702 (ISA_HAS_ROR): ...this new macro.
703 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
704 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
705 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
707 2006-10-29 Roger Sayle <roger@eyesopen.com>
709 PR tree-optimization/15458
710 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
713 2006-10-29 Richard Guenther <rguenther@suse.de>
715 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
716 (ix86_expand_truncdf_32): Likewise.
717 * config/i386/i386.c (ix86_expand_trunc): New function expanding
718 trunc inline for SSE math and -fno-trapping-math and if not
720 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
721 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
722 for expanding btrunc inline for SSE math.
724 2006-10-29 Joseph Myers <joseph@codesourcery.com>
726 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
727 Handle tuning for bi-arch i[34567]86-*-linux* like that for
728 i[34567]86-*-solaris2.1[0-9]*.
729 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
730 Define conditionally depending on TARGET_64BIT_DEFAULT.
731 (SPEC_32, SPEC_64): Define.
732 (LINK_SPEC): Use them.
733 * doc/install.texi (--enable-targets=all): Document for x86-linux.
735 2006-10-29 Richard Guenther <rguenther@suse.de>
737 * config/i386/i386-protos.h (ix86_expand_round): Declare.
738 (ix86_expand_rounddf_32): Likewise.
739 * config/i386/i386.c (ix86_expand_round): New function expanding
740 round inline for SSE math and -fno-trapping-math and if not
742 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
743 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
744 round via ix86_expand_round.
746 2006-10-29 Richard Guenther <rguenther@suse.de>
748 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
749 (ix86_expand_floorceildf_32): Likewise.
750 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
751 static helper function.
752 (ix86_expand_floorceil): Expander for floor and ceil to SSE
754 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
755 * config/i386/i386.md (floordf2): Adjust to enable floor
756 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
757 -fno-trapping-math is enabled and if not optimizing for size.
758 (floorsf2, ceildf2, ceilsf2): Likewise.
759 * config/i386/sse.md (sse_maskcmpsf3): New insn.
760 (sse2_maskcmpdf3): Likewise.
762 2006-10-29 Richard Guenther <rguenther@suse.de>
764 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
765 rint in case -fno-trapping-math is enabled.
766 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
767 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
768 (ix86_expand_sse_fabs): Likewise.
769 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
770 * config/i386/i386.md (rintdf2): Enable for SSE math if
771 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
774 2006-10-29 Richard Guenther <rguenther@suse.de>
776 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
777 to conversion optabs.
778 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
780 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
781 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
782 (lfloor_optab, lceil_optab): Adjust defines.
783 * builtins.c (expand_builtin_int_roundingfn): Adjust for
784 lfloor and lceil optabs now being conversion optabs.
785 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
786 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
787 New static helper function.
788 (ix86_expand_lfloorceil): New function to expand lfloor and
790 * config/i386/i386.md (lfloor<mode>2): Split into ...
791 (lfloorxf<mode>2): ... x87 variant
792 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
793 using ix86_expand_lfloorceil.
794 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
796 * doc/md.texi (lfloorMN, lceilMN): Document.
798 2006-10-29 Richard Sandiford <richard@codesourcery.com>
800 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
801 -mno-shared assembler option on mips targets.
802 * configure, config.in: Regenerate.
803 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
804 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
805 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
807 2006-10-29 Richard Sandiford <richard@codesourcery.com>
809 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
810 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
812 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
814 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
815 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
818 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
822 (fold_builtin_pow): Evaluate constant arguments at compile-time
824 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
825 (do_mpfr_ckconv): New helper function.
826 (do_mpfr_arg1): Use do_mpfr_ckconv.
829 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
832 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
833 (-fdump-rtl-sched): Rename to ..
834 (-fdump-rtl-sched1): here. Also fix file extension number.
836 2006-10-28 Richard Guenther <rguenther@suse.de>
838 * fold-const.c (maybe_canonicalize_comparison): Fix code
841 2006-10-28 Uros Bizjak <uros@kss-loka.si>
843 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
844 (NON_QI_REG_P): Use IN_RANGE.
845 (REX_INT_REGNO_P): Use IN_RANGE.
846 (FP_REGNO_P): Use IN_RANGE.
847 (SSE_REGNO_P): Use IN_RANGE.
848 (REX_SSE_REGNO_P): Use IN_RANGE.
849 (MMX_REGNO_P): Use IN_RANGE.
850 (STACK_REGNO_P): New macro.
851 (STACK_REG_P): Use STACK_REGNO_P.
852 (NON_STACK_REG_P): Use STACK_REGNO_P.
853 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
854 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
855 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
856 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
857 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
859 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
861 * except.h (output_function_exception_table): Add 'const char*' param.
862 * except.c (switch_to_exception_section): Add 'const char*' param.
863 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
864 and flag_function_sections is set, use a function-specific section.
865 (output_function_exception_table): Add 'const char*' param.
866 Adjust call to switch_to_exception_section.
867 * final.c (rest_of_handle_final): Adjust calls to
868 output_function_exception_table.
869 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
870 * config.in: Regenerate.
871 * configure: Likewise.
873 2006-10-28 Richard Guenther <rguenther@suse.de>
876 * fold-const.c (maybe_canonicalize_comparison_1): Helper
877 for maybe_canonicalize_comparison.
878 (maybe_canonicalize_comparison): New function for canonicalizing
880 (fold_comparison): Call it to canonicalize comparisons with
883 2006-10-28 Richard Guenther <rguenther@suse.de>
886 * builtins.c (expand_builtin_int_roundingfn_2): Expand
887 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
888 (expand_builtin): Adjust likewise.
889 * genopinit.c (optabs[]): Add lround optab.
890 * optabs.c (init_optabs): Initialize lround_optab.
891 * optabs.h (enum convert_optab_index): Add COI_lround.
892 (lround_optab): Define.
893 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
894 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
896 (ix86_expand_lround): New function.
897 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
899 * doc/md.texi (lroundMN2): Document.
901 2006-10-28 Uros Bizjak <uros@kss-loka.si>
904 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
905 argument to HOST_WIDE_INT. Update function prototype.
906 (round_frame_size): Change return type to HOST_WIDE_INT. Change
907 "size" argument to HOST_WIDE_INT. Update function prototype.
909 2006-10-28 Uros Bizjak <uros@kss-loka.si>
911 * config/i386/i386.c (output_387_ffreep): Create output from a
912 template string for !HAVE_AS_IX86_FFREEP.
914 2006-10-27 Eric Christopher <echristo@apple.com>
916 * config/darwin.c: Fix formatting and grammar.
918 2006-10-27 Jan Hubicka <jh@suse.cz>
920 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
921 to be thrown away soon when IGNORE is set.
922 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
923 indicating when return value shall not be computed.
924 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
926 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
928 * config/i386/i386.h (TARGET_GEODE):
929 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
930 (TARGET_CPU_DEFAULT_geode): New macro.
931 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
932 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
933 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
934 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
935 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
937 (TARGET_CPU_DEFAULT_NAMES): Add geode.
938 (processor_type): Add PROCESSOR_GEODE.
940 * config/i386/i386.md: Include geode.md.
943 * config/i386/i386.c (geode_cost): New initialized global
945 (m_GEODE, m_K6_GEODE): New macros.
946 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
947 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
948 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
949 x86_schedule): Use m_K6_GEODE instead of m_K6.
950 (x86_movx, x86_cmove): Set up m_GEODE.
951 (x86_integer_DFmode_moves): Clear m_GEODE.
952 (processor_target_table): Add entry for geode.
953 (processor_alias_table): Ditto.
955 * config/i386/geode.md: New file.
957 * doc/invoke.texi: Add entry about geode processor.
959 2006-10-27 Mike Stump <mrs@apple.com>
961 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
962 __DYNAMIC__ from here back to ...
963 * config/darwin.h (CPP_SPEC): ... here.
965 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
966 Nathan Sidwell <nathan@codesourcery.com>
968 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
969 when choosing the minimum heapsize.
971 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
973 * gcc/unwind-dw2.h: Move cfa-related variables into
974 struct frame_state_reg_info to ensure that the CFA is properly
975 handled when executing DW_CFA_{remember,restore}_state.
976 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
977 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
978 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
979 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
980 gcc/config/rs6000/linux-unwind.h,
981 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
982 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
983 Modify to use new cfa_* fields.
985 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
987 * config/s390/s390.c (s390_init_frame_layout): Check positive
990 2006-10-26 Ben Elliston <bje@au.ibm.com>
992 * gimplify.c (get_name): Remove extraneous break.
993 (gimplify_omp_for): Initialise ret with GS_OK.
995 2006-10-25 Steve Ellcey <sje@cup.hp.com>
997 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
998 Add unix98.o to link line.
1000 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1003 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1004 Calculate compile-time constants using MPFR.
1005 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1006 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1008 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1010 * config/xtensa/lib2funcs.S: Use C-style comments.
1012 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1014 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1015 (file_table_relative_p): Likewise.
1016 (dwarf2out_finish): Likewise.
1017 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1019 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1021 * tree-ssa-structalias.c (intra_create_variable_infos):
1022 Don't recreate nonlocal_all if it already exists.
1024 2006-10-25 Richard Guenther <rguenther@suse.de>
1027 * optabs.h (enum optab_index): Remove OTI_lrint.
1028 (enum convert_optab_index): Add COI_lrint.
1029 (lrint_optab): Adjust.
1030 (expand_sfix_optab): Declare.
1031 * optabs.c (expand_sfix_optab): New function.
1032 (init_optabs): Init lrint_optab as conversion optab.
1033 * genopinit.c (lrint_optab): Change to a conversion optab.
1034 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1035 expansion via conversion optab.
1036 * config/i386/i386.md (*fistdi2_1): Remove
1037 flag_unsafe_math_optimizations guard.
1038 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1039 fist<mode>2_with_temp): Likewise.
1040 (lrint<mode>2): Split into...
1041 (lrintxf<mode>2): ... x87 part
1042 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1043 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1044 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1045 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1046 * doc/md.texi (lrintMN2): Document.
1048 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1051 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1052 Use inc and dec instructions for TARGET_USE_INCDEC.
1053 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1054 ("sync_double_compare_and_swap<mode>"): Likewise.
1055 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1056 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1057 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1058 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1059 ("sync_old_add<mode>"): Likewise.
1060 ("sync_lock_test_and_set<mode>"): Likewise.
1061 ("sync_lock_test_and_set<mode>"): Likewise.
1062 ("sync_add<mode>"): Likewise.
1063 ("sync_sub<mode>"): Likewise.
1064 ("sync_ior<mode>"): Likewise.
1065 ("sync_and<mode>"): Likewise.
1066 ("sync_xor<mode>"): Likewise.
1068 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1070 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1071 (remainder_optab): Define corresponding macro.
1072 (drem_optab): Remove.
1073 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1074 drem_optab initialization.
1075 * genopinit.c (optabs): Implement remainder_optab using
1076 remainder?f3 patterns. Remove drem_optab.
1077 * builtins.c (expand_builtin_mathfn_2): Handle
1078 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1079 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1080 expand_builtin_mathfn_2.
1082 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1083 depend on flag_unsafe_math_optimizations.
1085 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1086 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1087 Do not depend on flag_unsafe_math_optimizations. Use
1088 truncxf?f expander instead of truncxf?f_i387_noop.
1090 ("fpremxf4", "fprem1xf4"): Do not depend on
1091 flag_unsafe_math_optimizations.
1092 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1093 flag_unsafe_math_optimizations. Use truncxf?f expander
1094 instead of truncxf?f_i387_noop.
1096 * doc/md.texi (fmod, remainder): Document standard named pattern.
1098 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1099 David Daney <ddaney@avtrex.com>
1102 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1104 2006-10-25 Ben Elliston <bje@au.ibm.com>
1106 * doc/extend.texi (Variable Attributes): Typo fix.
1108 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1110 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1111 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1112 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1113 (FRAME_POINTER_REGNUM): Update register number to 21.
1114 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1115 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1117 * config/i386/i386.c (regclass_map): Add fpcr entry.
1118 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1120 (print_reg): Assert REGNO (x) != FPCR_REG.
1122 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1123 (DIRFLAG_REG): Renumber.
1124 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1125 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1126 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1127 hardcoded SSE register numbers.
1129 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1130 hardcoded MMX register numbers.
1132 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1136 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1138 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1139 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1140 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1141 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1143 2006-10-24 Richard Guenther <rguenther@suse.de>
1146 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1147 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1148 for deciding optimizations in consistency with fold-const.c
1149 (fold_builtin_unordered_cmp): Likewise.
1151 2006-10-24 Richard Guenther <rguenther@suse.de>
1153 * builtins.c (fold_builtin_floor): Fold floor (x) where
1154 x is nonnegative to trunc (x).
1155 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1156 nonnegative to FIX_TRUNC_EXPR.
1158 2006-10-24 Richard Guenther <rguenther@suse.de>
1160 PR tree-optimization/29567
1161 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1162 for TRUTH_NOT_EXPR. Clarify comments.
1164 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1168 at compile-time using MPFR. Change parameter VALUE to FUNC,
1170 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1171 for overflow and underflow at all times and avoid folding in
1174 2006-10-24 Ben Elliston <bje@au.ibm.com>
1176 * reload1.c: Formatting fixes.
1178 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1180 PR tree-optimization/14784
1181 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1182 * tree-ssa-structalias.c (get_constraint_for,
1183 intra_create_variable_infos): Set is_heapvar.
1184 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1185 non-heapvar pointer variables specially.
1187 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1190 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1191 fold_builtin_tan): Fold all constant arguments. Take a "type"
1192 argument as necessary.
1193 (do_mpfr_arg1): New.
1194 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1196 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1198 * config/xtensa/lib1funcs.asm: Use C-style comments.
1200 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1202 * tree.c (local_define_builtin): Replace calls to
1203 lang_hooks.builtin_function with add_builtin_function.
1204 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1206 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1208 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1209 common code to add_builtin_function.
1210 * langhooks.c (add_builtin_function): New function.
1211 (lhd_builtin_function): New function.
1212 * langhooks.h (struct lang_hooks): Change the signature of
1214 (add_builtin_function): New function.
1215 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1216 calls to lang_hooks.builtin_function with add_builtin_function.
1217 * c-common.c (decl_builtin_1): Replace calls to
1218 lang_hooks.builtin_function with add_builtin_function.
1219 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1220 lang_hooks.builtin_function with add_builtin_function.
1221 * config/frv/frv.c (def_builtin): Replace calls to
1222 lang_hooks.builtin_function with add_builtin_function.
1223 * config/s390/s390.c (s390_init_builtins): Replace calls to
1224 lang_hooks.builtin_function with add_builtin_function.
1225 * config/sparc/sparc.c (def_builtin): Replace calls to
1226 lang_hooks.builtin_function with add_builtin_function.
1227 * config/i386/i386.c (def_builtin): Replace calls to
1228 lang_hooks.builtin_function with add_builtin_function.
1229 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1230 lang_hooks.builtin_function with add_builtin_function.
1231 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1232 lang_hooks.builtin_function with add_builtin_function.
1233 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1234 Replace calls to lang_hooks.builtin_function with
1235 add_builtin_function.
1236 * config/iq2000/iq2000.c (def_builtin):
1237 Replace calls to lang_hooks.builtin_function with
1238 add_builtin_function.
1239 * config/ia64/ia64.c (def_builtin): Replace calls to
1240 lang_hooks.builtin_function with add_builtin_function.
1241 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1242 lang_hooks.builtin_function with add_builtin_function.
1243 (altivec_init_builtins): Replace calls to
1244 lang_hooks.builtin_function with add_builtin_function.
1245 * config/arm/arm.c (def_mbuiltin): Replace calls to
1246 lang_hooks.builtin_function with add_builtin_function.
1247 (arm_init_tls_builtins): Replace calls to
1248 lang_hooks.builtin_function with add_builtin_function.
1249 * config/mips/mips.c (mips_init_builtins): Replace calls to
1250 lang_hooks.builtin_function with add_builtin_function.
1251 * config/bfin/bfin.c (def_builtin): Replace calls to
1252 lang_hooks.builtin_function with add_builtin_function.
1253 * langhooks-def.h (lhd_builtin_function): New function.
1254 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1256 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1258 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1259 BUILT_IN_STRNCAT_CHK.
1261 2006-10-23 Jan Hubicka <jh@suse.cz>
1263 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1264 don't do conversion from memmove to memcpy here.
1265 (expand_builtin_bcopy, expand_builtin): Update call of
1266 expand_builtin_memmove.
1267 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1269 2006-10-23 Paul Brook <paul@codesourcery.com>
1271 * stor-layout.c (start_record_layout): maximum_field_alignment
1272 overrides STRUCTURE_SIZE_BOUNDARY.
1274 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1276 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1277 nonlocal function symbols if flag_pic.
1279 2006-10-23 Richard Guenther <rguenther@suse.de>
1283 * builtins.c (fold_binary): Remove checks for flag_wrapv
1284 and flag_trapv where negate_expr_p covers these cases.
1286 2006-10-23 Richard Guenther <rguenther@suse.de>
1289 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1290 of two on the absolute value.
1291 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1292 and negating -C does not overflow.
1294 2006-10-23 Richard Guenther <rguenther@suse.de>
1297 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1298 only if not flag_rounding_math.
1300 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1301 Kaz Kojima <kkojima@gcc.gnu.org>
1304 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1305 SImode memory reference for the source of a movua.
1306 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1307 (movua): Use an unspec instead of sign_extract. Expect the source
1308 to have mode BLKmode.
1309 (extv, insv): Use a BLKmode rather than SImode memory reference
1310 for the source of a movua.
1312 2006-10-22 Jeff Law <law@redhat.com>
1313 Richard Guenther <rguenther@suse.de>
1315 PR tree-optimization/15911
1316 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1317 (register_edge_assert_for_1): Likewise.
1318 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1319 (find_conditional_asserts): Adjust for new function signature.
1320 (find_assert_locations): Likewise.
1322 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1324 * config/i386/tmmintrin.h: Remove the duplicated content.
1326 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1328 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1329 (x86_64-*-*): Likewise.
1331 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1332 (override_options): Check SSSE3.
1333 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1334 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1335 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1336 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1337 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1338 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1339 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1340 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1341 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1342 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1343 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1344 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1345 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1346 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1347 IX86_BUILTIN_PABSD128.
1348 (bdesc_2arg): Add SSSE3.
1349 (bdesc_1arg): Likewise.
1350 (ix86_init_mmx_sse_builtins): Support SSSE3.
1351 (ix86_expand_builtin): Likewise.
1352 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1354 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1355 (UNSPEC_PSIGN): Likewise.
1356 (UNSPEC_PALIGNR): Likewise.
1357 Include mmx.md before sse.md.
1359 * config/i386/i386.opt: Add -mssse3.
1361 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1362 (ssse3_phaddwv4hi3): Likewise.
1363 (ssse3_phadddv4si3): Likewise.
1364 (ssse3_phadddv2si3): Likewise.
1365 (ssse3_phaddswv8hi3): Likewise.
1366 (ssse3_phaddswv4hi3): Likewise.
1367 (ssse3_phsubwv8hi3): Likewise.
1368 (ssse3_phsubwv4hi3): Likewise.
1369 (ssse3_phsubdv4si3): Likewise.
1370 (ssse3_phsubdv2si3): Likewise.
1371 (ssse3_phsubswv8hi3): Likewise.
1372 (ssse3_phsubswv4hi3): Likewise.
1373 (ssse3_pmaddubswv8hi3): Likewise.
1374 (ssse3_pmaddubswv4hi3): Likewise.
1375 (ssse3_pmulhrswv8hi3): Likewise.
1376 (ssse3_pmulhrswv4hi3): Likewise.
1377 (ssse3_pshufbv16qi3): Likewise.
1378 (ssse3_pshufbv8qi3): Likewise.
1379 (ssse3_psign<mode>3): Likewise.
1380 (ssse3_psign<mode>3): Likewise.
1381 (ssse3_palignrti): Likewise.
1382 (ssse3_palignrdi): Likewise.
1383 (abs<mode>2): Likewise.
1384 (abs<mode>2): Likewise.
1386 * config/i386/tmmintrin.h: New file.
1388 * doc/extend.texi: Document SSSE3 built-in functions.
1390 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1392 2006-10-22 Ira Rosen <irar@il.ibm.com>
1394 * tree-vect-transform.c (vectorizable_load): Use the type of the
1395 return value of the mask_for_load builtin to create realign_load
1398 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1400 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1403 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1405 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1406 (UNSPEC_LDDQU): This.
1407 * config/i386/sse.md (sse3_lddqu): Updated.
1409 2006-10-21 Richard Guenther <rguenther@suse.de>
1411 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1412 (expand_builtin): Use it to expand lrint instead of
1413 expand_builtin_mathfn.
1415 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1418 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1419 flag_unsafe_math_optimizations is set.
1421 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1424 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1425 patterns to use memory input operand in x87->mem->XMM
1426 reload sequences. Skip transformation for TARGET_K8.
1428 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1430 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1431 force operand1 to register if both operands are memory operands.
1432 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1433 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1434 if both operands are memory operands.
1435 (truncdfsf2): Do not force operand1 to register if both operands
1436 are memory operands.
1438 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1440 * Makefile.in (LIBS): Add $(GMPLIBS).
1441 * doc/install.texi: Update GMP and MPFR requirements.
1442 * doc/sourcebuild.texi (need_gmp): Delete.
1444 2006-10-21 Richard Guenther <rguenther@suse.de>
1446 PR tree-optimization/3511
1447 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1448 got new invariant arguments during PHI translation.
1450 2006-10-21 Richard Guenther <rguenther@suse.de>
1453 * fold-const.c (fold_comparison): Fold signed comparisons
1454 of the form X +- C1 CMP Y +- C2.
1456 2006-10-21 Richard Guenther <rguenther@suse.de>
1459 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1460 if flag_unsafe_math_optimizations is specified. We have
1461 flag_finite_math_only for that.
1462 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1463 or flag_unsafe_math_optimizations.
1465 2006-10-21 Richard Guenther <rguenther@suse.de>
1467 * builtins.c (fold_builtin_classify): Fix typo.
1469 2006-10-21 Richard Guenther <rguenther@suse.de>
1472 * simplify-rtx.c (simplify_const_relational_operation):
1473 Do not constant-fold ORDERED and UNORDERED for
1474 flag_unsafe_math_optimizations but only we do not need to
1475 honor NaNs for the given mode.
1477 2006-10-21 Richard Guenther <rguenther@suse.de>
1480 * config/i386/i386.c (classify_argument): Remove redundant
1481 walking of the BINFOs.
1482 (contains_128bit_aligned_vector_p): Likewise.
1484 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1486 * BASE-VER: Set to 4.3.0.
1488 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1490 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1491 (tree_decl_with_vis): Remove artificial_pta_var flag.
1492 * tree-flow.h (referenced_var_check_and_insert): Expose.
1493 (nonlocal_all): New prototype.
1494 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1495 (nonlocal_all): Make global.
1496 (nonlocal_lookup): Remove.
1497 (nonlocal_insert): Ditto.
1498 (create_nonlocal_var): Do not call nonlocal_insert.
1499 (get_nonlocal_id_for_type): Remove.
1500 (find_global_initializers): Mark new vars we find for renaming.
1501 (intra_create_variable_infos): Only create one nonlocal.
1502 (expand_nonlocal_solutions): Remove.
1503 (compute_points_to_sets): Don't call it.
1504 (ipa_pta_execute): Ditto.
1505 (init_alias_heapvars): Don't create nonlocal_for_type.
1506 (delete_alias_heapvars): Don't remove it.
1507 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1510 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1512 * doc/install.texi (Downloading GCC): Clarify mention of
1513 Fortran in the "full distribution" description.
1515 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1517 Fix PR tree-optimization/28778
1518 Fix PR tree-optimization/29156
1519 Fix PR tree-optimization/29415
1520 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1521 (tree_decl_with_vis): Add artificial_pta_var flag.
1522 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1523 pushed into callers.
1524 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1525 (nonlocal_all): Ditto.
1526 (struct variable_info): Add directly_dereferenced member.
1527 (var_escaped_vars): New variable.
1528 (escaped_vars_tree): Ditto.
1529 (escaped_vars_id): Ditto.
1530 (nonlocal_vars_id): Ditto.
1531 (new_var_info): Set directly_dereferenced.
1532 (graph_size): New variable
1533 (build_constraint_graph): Use graph_size.
1534 (solve_graph): Don't process constraints that cannot change the
1535 solution, don't try to propagate an empty solution to our
1537 (process_constraint): Set directly_dereferenced.
1538 (could_have_pointers): New function.
1539 (get_constraint_for_component_ref): Don't process STRING_CST.
1540 (nonlocal_lookup): New function.
1541 (nonlocal_insert): Ditto.
1542 (create_nonlocal_var): Ditto.
1543 (get_nonlocal_id_for_type): Ditto.
1544 (get_constraint_for): Allow results vector to be empty in the case
1545 of string constants.
1546 Handle results of calls properly.
1547 (update_alias_info): Update alias info stats on number and type of
1549 (find_func_aliases): Use could_have_pointers.
1550 (make_constraint_from_escaped): Renamed from
1551 make_constraint_to_anything, and changed to make constraints from
1553 (make_constraint_to_escaped): New function.
1554 (find_global_initializers): Ditto.
1555 (create_variable_info_for): Make constraint from escaped to any
1556 global variable, and from any global variable to the set of
1558 (intra_create_variable_infos): Deal with escaped instead of
1559 pointing to anything.
1560 (set_uids_in_ptset): Do type pruning on directly dereferenced
1562 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1563 (init_base_vars): Fix comment, and initialize escaped_vars.
1564 (need_to_solve): Removed.
1565 (find_escape_constraints): New function.
1566 (expand_nonlocal_solutions): Ditto.
1567 (compute_points_to_sets): Call find_escape_constraints and
1568 expand_nonlocal_solutions.
1569 (delete_points_to_sets): Don't fall off the end of the graph.
1570 (init_alias_heapvars): Initialize nonlocal_for_type and
1572 (delete_alias_heapvars): Free nonlocal_for_type and null out
1575 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1577 * fold-const.c (add_double): Rename to add_double_with_sign.
1578 Add 'unsigned_p' parameter and take it into account for the overflow.
1579 (mul_double): Rename to mul_double_with_sign.
1580 Add 'unsigned_p' parameter and take it into account for the overflow.
1581 (fold_div_compare): Call add_double_with_sign instead of add_double
1582 and mul_double_with_sign instead of mul_double, passing them the
1583 unsignedness of the type.
1584 * tree.h (add_double): Macroize.
1585 (add_double_with_sign): New prototype.
1586 (mul_double): Macroize.
1587 (mul_double_with_sign): New prototype.
1589 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1591 * config/score/crti.asm: New file.
1592 * config/score/crtn.asm: New file.
1593 * config/score/elf.h: New file.
1594 * config/score/mac.md: New file.
1595 * config/score/misc.md: New file.
1596 * config/score/mul-div.S: New file.
1597 * config/score/predicates.md: New file.
1598 * config/score/score7.md: New file.
1599 * config/score/score.c: New file.
1600 * config/score/score-conv.h: New file.
1601 * config/score/score.h: New file.
1602 * config/score/score.md: New file.
1603 * config/score/score-mdaux.c: New file.
1604 * config/score/score-mdaux.h: New file.
1605 * config/score/score-modes.def: New file.
1606 * config/score/score.opt: New file.
1607 * config/score/score-protos.h: New file.
1608 * config/score/score-version.h: New file.
1609 * config/score/t-score-elf: New file.
1610 * config.gcc: Add score*-*-* configurations(Update before).
1611 * doc/invoke.texi (Score Options): New section.
1612 * doc/md.texi (Score family): New section to document constraints.
1614 2006-10-19 Nick Clifton <nickc@redhat.com>
1616 * config/arm/arm.c: Fix spelling typo.
1618 2006-10-18 Tom Tromey <tromey@redhat.com>
1620 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1622 2006-10-18 Jan Hubicka <jh@suse.cz>
1625 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1628 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1630 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1631 TSI_SAME_STMT, since that's the desired entity.
1633 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1635 * config/s390/contraints.md: New file.
1636 * config/s390/s390-protos.h (s390_mem_constraint,
1637 s390_O_constraint_str, s390_N_constraint_str,
1638 s390_float_const_zero_p): Function prototypes added.
1639 * config/s390/s390.c (s390_extra_constraint_str,
1640 s390_const_double_ok_for_constraint_p,
1641 s390_const_ok_for_constraint_p): Functions removed.
1642 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1643 s390_float_const_zero_p): New functions.
1644 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1645 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1646 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1647 Macro definitions removed.
1648 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1649 s390_extra_constraint_str): Functions removed.
1651 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1652 Richard Sandiford <richard@codesourcery.com>
1655 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1656 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1658 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1660 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1661 (DWARF2_FRAME_REG_OUT): Likewise.
1662 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1663 (DWARF2_FRAME_REG_OUT): Likewise.
1665 2006-10-17 Paul Brook <paul@codesourcery.com>
1667 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1669 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1671 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1672 Standardize on "GNU Fortran" as the official name of the Fortran
1675 2006-10-16 Mike Stump <mrs@apple.com>
1677 * doc/invoke.texi (Darwin Options): Document -mkernel.
1678 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1680 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1681 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1682 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1683 (OS_MISSING_ALTIVEC): Add.
1684 * config/i386/i386.c (override_options): Add
1685 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1686 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1687 -mkernel, -static or -mdynamic-no-pic is given.
1688 (C_COMMON_OVERRIDE_OPTIONS): Add.
1689 * config/darwin.opt (fapple-kext): Add.
1691 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1692 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1694 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1695 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1696 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1697 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1698 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1699 (flag_mkernel): Add.
1700 (flag_apple_kext): Add.
1701 (TARGET_KEXTABI): Add.
1702 * config/darwin.c (darwin_handle_kext_attribute): Add.
1703 (DARWIN_VTABLE_P): Add.
1704 (darwin_binds_local_p): Add partial support for rebinding vtables
1706 (darwin_kextabi_p): Add.
1707 (darwin_override_options): Add.
1708 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1709 (darwin_kextabi_p): Add.
1710 (darwin_override_options): Add.
1711 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1712 __DYNAMIC__ and __STATIC__ here.
1714 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1716 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1717 Added mention of "make pdf" target, and Texinfo requirements for
1720 2006-10-16 DJ Delorie <dj@redhat.com>
1722 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1723 into the GOT in case we need a subreg of the address.
1725 2006-10-16 Richard Guenther <rguenther@suse.de>
1728 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1729 SSE builtin documentation. Document SSE2 builtins.
1731 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1733 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1734 symbol in the output file for non-shared links when -nostdlib or
1735 -nodefaultlibs isn't specified.
1737 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1738 posix thread support.
1740 2006-10-15 Jan Hubicka <jh@suse.cz>
1743 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1744 declared always_inline even when not inlining.
1746 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1747 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1748 Andrew Pinski <pinskia@gmail.com>
1751 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1753 2006-10-15 Jan Hubicka <jh@suse.cz>
1754 Richard Guenther <rguenther@suse.de>
1757 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1758 process_function_and_variable_attributes on all variables, including
1759 those discovered during cgraph construction phase.
1761 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1763 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1765 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1767 * config/i386/athlon.md (athlon_fist): Add fisttp.
1769 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1770 Ian Lance Taylor <ian@airs.com>
1773 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1774 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1777 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1779 * config/score/score.c, config/score/score.h: Fix comment
1782 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1788 2006-10-13 Eric Christopher <echristo@apple.com>
1790 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1792 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1795 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1796 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1797 alignment supported by 32-bit ELF.
1799 2006-10-13 Eric Christopher <echristo@apple.com>
1801 * config/darwin.c (darwin_emit_unwind_label): Strip
1802 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1804 2006-10-13 Richard Guenther <rguenther@suse.de>
1806 PR tree-optimization/29446
1807 * tree-vrp.c (fix_equivalence_set): Remove.
1808 (extract_range_from_assert): Do not call fix_equivalence_set.
1809 (debug_value_range): Print a newline.
1810 (compare_name_with_value): For equivalence sets with
1811 inconsistent value ranges conservatively bail out.
1812 (compare_names): Likewise.
1814 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1816 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1817 and MPFR for gfortran.
1819 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1821 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1822 alignment supported by 32-bit ELF.
1824 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1828 * c-typeck.c (digest_init): Always allow initializing vectors
1829 that have static storage duration with compound literals.
1830 * tree.c (build_type_attribute_qual_variant): New, based on
1831 build_type_attribute_variant.
1832 (build_type_attribute_variant): Rewrite using the former.
1833 (make_vector_type): Use build_type_attribute_qual_variant to build
1834 type variants. Use type_hash_canon on the others.
1836 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1837 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1839 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1841 2006-10-12 Jan Hubicka <jh@suse.cz>
1844 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1845 current_function_decl is set but current_function_scope is not.
1847 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1849 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1850 emit_insn to emit eh_return_internal instruction.
1851 (eh_return_internal): Explicitly set pc.
1853 2006-10-11 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/28230
1856 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1857 to the correct place.
1859 2006-10-11 Richard Guenther <rguenther@suse.de>
1862 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1865 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1867 * configure.ac: Added pdf to "Make-hooks"
1868 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1869 targets and *.pdf file patterns in cleanup targets.
1870 * configure: Regenerated.
1872 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1874 * config/avr/predicates.md: New file.
1875 * config/avr/avr.md: Include it.
1876 (REG_SP): New constant.
1877 (peepholes): Use predicates.
1878 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1879 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1880 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1882 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1884 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1887 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1890 * builtins.c (var_decl_component_p): New function.
1891 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1892 single entry optimization to variables and components thereof.
1894 2006-10-10 Richard Guenther <rguenther@suse.de>
1896 PR rtl-optimization/29323
1897 * except.c (set_nothrow_function_flags): For functions
1898 that do not bind local bail out early.
1900 2006-10-10 Ben Elliston <bje@au.ibm.com>
1902 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1905 2006-10-09 Richard Henderson <rth@redhat.com>
1907 Revert emutls patch.
1909 2006-10-09 Richard Guenther <rguenther@suse.de>
1912 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1915 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1918 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1919 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1920 * configure: Regenerate.
1921 * config.in: Regenerate.
1923 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1925 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1927 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1929 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1930 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1931 Remove stray newline.
1933 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1935 * config/mips/mips.c (mips_classify_symbol): Do not return
1936 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1937 (mips_in_small_data_p): Tweak comments.
1939 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1941 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1943 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1945 * gimplify.c, sched-int.h: Fix comment typos.
1947 * sched-int.h: Fix comment typos.
1949 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1951 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1953 * sched-ebb.c (begin_schedule_ready): Use them.
1954 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1955 add_to_speculative_block, create_check_block_twin, speculate_insn,
1956 fix_jump_move, move_block_after_check): Ditto.
1957 * sched-rgn.c (new_ready): Ditto.
1959 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1961 PR rtl-optimization/29128
1962 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1963 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1964 allow interblock movement of speculation checks.
1966 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1969 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1970 casted to integer type.
1971 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1972 if they are significantly more expensive than [reg + index] ones.
1974 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1976 PR tree-optimization/29330
1977 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1978 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1979 on newly allocated ddrs.
1980 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1981 to VEC (loop_p, heap) pointer.
1982 (compute_data_dependences_for_loop): Adjust caller.
1983 (free_dependence_relations): Free DDR_LOOP_NEST.
1985 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1986 free DEPENDENCE_RELATIONS and DATAREFS.
1989 * builtins.c (expand_builtin_sync_operation,
1990 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1991 Use convert_to_mode to handle promoted arguments.
1993 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1995 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1997 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1999 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2001 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2003 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2004 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2005 Use <modeconstraint> instead of "r" as operand 1 constraint.
2007 2006-10-06 Olivier Hainque <hainque@adacore.com>
2009 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2010 Don't recurse on the pointed-to type.
2011 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2012 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2013 types with components of variable size.
2015 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2017 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2019 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2021 PR tree-optimization/29290
2022 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2026 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2027 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2030 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2031 the number of vector elements fill the rest with zeros.
2033 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2035 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2036 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2039 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2041 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2042 unnamed pattern into subsi3. Use correct constraints/predicates.
2043 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2044 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2046 2006-10-05 Ira Rosen <irar@il.ibm.com>
2048 * doc/loop.texi: Add data references analysis description.
2050 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2052 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2054 2006-10-04 Richard Henderson <rth@redhat.com>
2055 Jakub Jelinek <jakub@redhat.com>
2057 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2058 * builtin-types.def (BT_WORD): Make unsigned.
2059 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2060 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2061 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2062 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2063 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2064 * cgraph.c (decide_is_variable_needed): Look at force_output.
2065 Recurse for emulated tls.
2066 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2067 checks redundant with decide_is_variable_needed.
2068 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2069 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2071 * expr.c (emutls_var_address): New.
2072 (expand_expr_real_1): Expand emulated tls.
2073 (expand_expr_addr_expr_1): Likewise.
2074 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2075 * output.h (emutls_finish): Declare.
2076 * toplev.c (compile_file): Call it.
2077 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2078 address before wrapping in CONST.
2079 * varasm.c (emutls_htab, emutls_object_type): New.
2080 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2081 (get_emutls_object_name, get_emutls_object_type): New.
2082 (get_emutls_init_templ_addr, emutls_decl): New.
2083 (emutls_common_1, emutls_finish): New.
2084 (assemble_variable): When emulating tls, swap decls; generate
2085 constructor for the emutls objects.
2086 (do_assemble_alias): When emulating tls, swap decl and target name.
2087 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2089 * emutls.c: New file.
2090 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2091 tls_object for real tls.
2093 2006-10-04 Zack Weinberg <zackw@panix.com>
2095 Fix bug in constraint-check generator, reported by Rask Ingemann
2097 * genpreds.c (add_constraint): Don't remove anything from the
2099 (write_tm_constrs_h): Detect whether "op" argument is used, and
2100 mark it ARG_UNUSED if it isn't.
2101 (write_insn_const_int_ok_for_constraint): Skip the part of the
2102 expression that would test whether "op" (which is not available
2103 here) is a CONST_INT.
2105 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2108 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2110 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2112 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2113 current Leopard versions.
2114 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2116 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2118 * doc/install.texi: Fix typos.
2120 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2122 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2123 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2124 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2126 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2128 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2129 arg to be struct mach_header_64* instead.
2131 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2134 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2135 side effects after the outer expression's post side effects.
2137 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2139 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2140 comments to reflect actual behavior and relationship between
2141 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2143 * doc/c-tree.texi (Working with declarations): Fix documentation
2144 of FIELD_DECL likewise.
2146 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2149 * doc/extend.texi: Add used variable attribute description.
2151 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2154 * c.opt (Woverride-init): New.
2155 * c-opts.c (c_common_post_options): Default warn_override_init to
2157 * c-typeck.c (add_pending_init, output_init_element): Warn for
2158 overriding initializers without side effects.
2159 * doc/invoke.texi (-Woverride-init): Document.
2162 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2164 PR rtl-optimization/28096
2165 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2166 assignment has already been used as a destination earlier in the block.
2168 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2170 * builtins.c (expand_builtin_setjmp): Delete.
2171 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2172 <BUILT_IN_SETJMP_SETUP>: New case.
2173 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2174 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2175 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2176 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2177 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2178 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2179 (lower_function_body): Initialize it to false. If it is set to true
2180 at the end of the processing, emit the setjmp dispatcher.
2181 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2182 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2183 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2184 on the rhs of the assignment.
2185 (lower_builtin_setjmp): New function.
2186 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2187 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2188 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2189 to detect calls that can go to non-local labels. Use specific
2190 helper to create the abnormal edges associated with them.
2191 <MODIFY_EXPR>: Likewise.
2192 (make_abnormal_goto_edges): New function extracted from...
2193 (make_goto_expr_edges): ...here. Call it for computed gotos.
2194 (simple_goto_p): Minor tweak.
2195 (tree_can_make_abnormal_goto): New predicate.
2196 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2197 (tree_purge_dead_abnormal_call_edges): New function.
2198 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2199 (tree_purge_dead_abnormal_call_edges): Likewise.
2200 (make_abnormal_goto_edges): Likewise.
2201 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2202 Purge all dead abnormal edges if the call was in the last statement.
2203 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2204 (execute_fixup_cfg): If there are non-local labels in the function,
2205 scan the basic blocks and split them at calls that can go to non-local
2206 labels or add missing abnormal call edges. Write down the CFG in the
2208 (pass_fixup_cfg): Remove TODO_dump_func flag.
2209 * unwind-sjlj.c: Poison setjmp.
2210 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2211 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2212 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2213 (DONT_USE_BUILTIN_SETJMP): Document it.
2215 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2218 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2219 to 1 when __ppc64__ is defined.
2220 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2222 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2224 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2226 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2227 * config/ia64/unwind-hpux.c: Delete.
2229 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2231 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2232 on the element before gimplifying it, instead of punting if it is of
2235 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2237 * doc/loop.texi: New file.
2238 * doc/gccint.texi: Reference loop.texi.
2239 * Makefile.in (loop.texi): Add.
2241 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2243 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2245 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2246 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2248 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2250 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2252 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2254 * doc/install.texi: Document required versions of GMP and MPFR.
2256 2006-09-27 Paul Brook <paul@codesourcery.com>
2259 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2261 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2263 * reload1.c (alter_reg): Require the alignment of the stack slot to
2264 be at least reg_max_ref_width bytes.
2265 (scan_paradoxical_subregs): Record the largest width in
2268 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2272 * tree-nested.c (struct nesting_info): Added static_chain_added.
2273 (convert_call_expr): Set static_chain_added when adding static
2274 chain. Handle OMP_PARALLEL and OMP_SECTION.
2276 2006-09-25 Matthias Klose <doko@debian.org>
2278 * doc/invoke.texi: Add missing full stop.
2280 2006-09-25 Richard Henderson <rth@redhat.com>
2282 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2283 before cgraph_function_flags_ready.
2285 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2286 Adam Nemet <anemet@caviumnetworks.com>
2288 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2289 determine_common_wider_type): New functions.
2290 (get_computation_aff): Use them to simplify arithmetic between
2291 UBASE and CBASE if they are shortened from the same type.
2293 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2296 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2297 -2147483647 - 1 instead of 0x80000000.
2299 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2301 * flags.h (HONOR_NANS): Fix typo in comment.
2303 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2305 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2307 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2311 * tree.c (merge_attributes, attribute_list_contained): If both
2312 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2314 * c-typeck.c (comptypes_internal): Don't consider aggregates
2315 in different TUs as compatible if there one set of attributes is
2316 not a subset of the other type's attributes.
2317 (composite_type): Try harder not to create a new aggregate type.
2319 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2321 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2322 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2323 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2324 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2325 than replicating condition above.
2326 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2328 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2329 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2330 the linker by default.
2332 2006-09-22 Mike Stump <mrs@apple.com>
2334 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2337 2006-09-22 Richard Guenther <rguenther@suse.de>
2340 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2341 sort of stack variables stable.
2343 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2346 * explow.c (force_reg): Set REG_POINTER flag according to
2349 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2351 PR tree-optimization/28888
2352 * tree-if-conv.c (combine_blocks): Rewritten.
2353 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2354 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2356 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2358 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2361 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2363 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2365 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2367 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2369 2006-09-21 Roger Sayle <roger@eyesopen.com>
2372 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2373 dw_fde_current_label, to be the start of the function, i.e. the same
2374 value as dw_fde_begin.
2376 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2378 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2379 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2380 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2381 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2382 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2383 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2384 (abs<mode>2, neg<mode>2): Likewise.
2385 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2386 (*mips_abs_ps): New define_insn.
2388 2006-09-20 Josh Conner <jconner@apple.com>
2391 * calls.c (expand_call): Allow reuse of structure return stack
2394 2006-09-20 Paul Brook <paul@codesourcery.com>
2396 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2399 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2401 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2402 clean up terminology.
2404 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2407 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2408 with tablejumps in them.
2410 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2413 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2414 wrap it into TARGET_EXPR.
2416 2006-09-20 Eric Christopher <echristo@apple.com>
2418 * config/i386/i386.c (x86_fisttp): Remove.
2419 * config/i386/i386.h (x86_fisttp): Ditto.
2420 (TARGET_FISTTP): Ditto.
2422 2006-09-19 Eric Christopher <echristo@apple.com>
2424 * doc/tm.texi (OBJC_JBLEN): Describe.
2425 * config/i386/darwin.h (OBJC_JBLEN): Define.
2426 * config/rs6000/darwin.h: Ditto.
2428 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2430 PR rtl-optimization/21299
2431 * reload1.c (reload): Purge invalid ASMs in the final pass.
2433 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2436 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2437 pointers as legitimate constants.
2439 2006-09-19 Paul Brook <paul@codesourcery.com>
2442 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2444 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2446 PR tree-optimization/28887
2447 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2448 component parts from the reference.
2449 (gather_memory_references_ref): Record the reference without the
2450 nonaddressable component parts.
2452 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2455 * c-opts.c (c_common_handle_option): Ignore the -std options
2456 if the input language is assembly.
2458 2006-09-17 Ira Rosen <irar@il.ibm.com>
2461 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2463 (ptr_ptr_may_alias_p): Likewise.
2464 (record_record_differ_p): New function.
2465 (base_object_differ_p): Call record_record_differ_p.
2467 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2470 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2471 away for the expr argument.
2473 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2476 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2477 before using it for dumping after vectorizing loops.
2479 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2480 Jack Howarth <howarth@bromo.med.uc.edu>
2483 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2484 skip on error_mark_node.
2485 (rs6000_darwin64_record_arg_recurse): Likewise.
2487 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2489 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2490 * doc/rtl.texi: Remove related documentation.
2492 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2494 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2497 2006-09-15 Jim Wilson <wilson@specifix.com>
2499 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2500 Handle symbol offsets same as they are handled in ia64_expand_move
2503 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2505 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2506 Add forgotten parameter to the fprintf call.
2508 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2510 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2512 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2514 * doc/contrib.texi: Add my entry.
2516 2006-09-15 Nick Clifton <nickc@redhat.com>
2518 * doc/md.texi (Processor pipeline description): Fix typo in
2519 example of how to use the absence_set directive and reword the
2520 description to make it slightly easier to read.
2522 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2524 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2525 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2526 expanding the number of iterations.
2527 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2529 * cfgrtl.c (emit_insn_at_entry): New function.
2530 * rtl.h (emit_insn_at_entry): Declare it.
2531 * integrate.c (emit_initial_value_sets): Use it.
2533 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2535 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2537 (struct loop_work and related VEC declarations): Delete.
2538 (bfin_dump_loops): Print out new member bad.
2539 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2540 (bfin_scan_loop): Don't recurse.
2541 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2542 loops. No longer need to update outer loops if the current one is
2543 found bad. Move some validitiy checks to bfin_discover_loop.
2544 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2545 but changed not to check for nesting. Also changed to use the new bad
2547 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2548 time. Use bitmap based test to discover loop nesting.
2550 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2552 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2555 2006-09-14 Richard Guenther <rguenther@suse.de>
2556 Kazu Hirata <kazu@codesourcery.com>
2558 PR middle-end/28884.
2559 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2560 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2561 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2562 with TARGET_FUNCTION_VALUE.
2564 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2567 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2569 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2571 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2574 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2577 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2580 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2582 * basic_block.h (bb_has_eh_pred): Fix comment.
2584 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2586 * flow.c (calculate_global_regs_live): Invalidate eh registers
2587 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2588 (propagate_block): Handle eh registers as if they were set at basic
2590 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2592 * global.c (global_conflicts): Make eh registers to conflict with
2593 pseudos live at basic block begin.
2594 * basic_block.h (bb_has_eh_pred): New function.
2596 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2598 PR rtl-optimization/28982
2599 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2600 index of a PRE_MODIFY or POST_MODIFY address.
2601 * reload1.c (inc_for_reload): Use find_replacement on the original
2602 base and index registers.
2604 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2606 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2607 for -Os. Update __m128 alignment requirement.
2609 2006-09-13 Jan Hubicka <jh@suse.cz>
2611 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2613 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2615 PR rtl-optimization/28243
2616 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2617 the insn to which the note was originally attached.
2619 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2620 Roger Sayle <roger@eyesopen.com>
2622 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2623 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2624 on platforms that don't use dwarf for debug info.
2626 2006-09-12 Jason Merrill <jason@redhat.com>
2629 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2630 hard_frame_pointer_rtx after using it to update the frame pointer.
2632 2006-09-12 Roger Sayle <roger@eyesopen.com>
2634 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2635 (TARGET_ASM_CLOSE_PAREN): Likewise.
2636 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2637 (TARGET_ASM_CLOSE_PAREN): Likewise.
2639 2006-09-12 Roger Sayle <roger@eyesopen.com>
2642 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2643 frame information for frames larger than 512 Kbytes on Tru64 when
2644 using the native assembler.
2646 2006-09-12 Roger Sayle <roger@eyesopen.com>
2650 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2651 and symbols. Instead use the implementation from cse.c's hash_rtx.
2653 2006-09-12 Jan Hubicka <jh@suse.cz>
2655 PR rtl-optimization/28071
2656 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2657 (vect_transform_loop): Likewise.
2658 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2659 (new_loop_vec_info): Likewise.
2660 (destroy_loop_vec_info): Likewise.
2661 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2662 (create_stmt_ann): Likewise.
2663 (create_tree_ann): Rename to ...
2664 (create_tree_common_ann): ... this one; allocate only the common part
2666 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2667 (get_value_handle): Likewise.
2668 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2669 get_tree_common_ann.
2670 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2671 (vinfo_for_stmt): Use stmt annotations.
2672 * tree-flow.h (tree_ann_common_t): New type.
2673 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2674 (tree_ann, get_tree_ann, create_tree_ann): New.
2675 * tree-flow-inline.h (get_function_ann): Do more type checking.
2676 (stmt_ann): Likewise.
2677 (tree_ann): Rename to ...
2678 (tree_common_ann): ... this one; return ony common_ann
2679 (get_tree_ann): Rename to ...
2680 (tree_common_ann): This one; return only common_ann.
2681 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2684 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2686 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2687 with_cpu by default.
2689 * dwarf2out.c (dwarf_file_data): New.
2690 (enum dw_val_class): Add dw_val_class_file.
2691 (struct dw_val_struct): Add val_file.
2692 (file_table): Change to a hash table.
2693 (file_table_emitted): Delete.
2694 (file_table_last_lookup_index): Delete.
2695 (emitcount): Delete.
2696 (last_emitted_file): New.
2697 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2698 (init_file_table): Delete.
2699 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2700 (AT_addr): Add comment.
2704 (print_die): Handle dw_val_class_file.
2705 (print_dwarf_line_table): Update for new file table structure.
2706 (attr_checksum): Do checksum a filename.
2707 (same_dw_val_p, same_attr_p): Do compare a filename.
2708 (size_of_die): Handle dw_val_class_file.
2709 (value_format): Likewise.
2710 (output_die): Likewise. Also, call maybe_emit_file here.
2711 (struct file_info): Constify filenames. Make file_idx a pointer
2712 to a struct dwarf_file_data.
2713 (struct dir_info): Constify directory names. Remove 'used' field.
2714 (struct file_name_acquire_data): New.
2715 (file_name_acquire): New.
2716 (output_file_names): Modify to handle new file data structures.
2717 (add_src_coords_attributes): Use add_AT_file.
2718 (add_call_src_coords_attributes): Likewise.
2719 (dwarf2out_imported_module_or_decl): Likewise.
2720 (gen_subprogram_die): Modify for new file data structures.
2721 (gen_variable_die): Likewise.
2722 (file_table_eq): New.
2723 (file_table_hash): New.
2724 (file_table_last_lookup): New.
2725 (lookup_filename): Rewrite to handle new file data structures.
2726 (maybe_emit_file): Rewrite to handle new file data structures.
2727 (dwarf2out_source_line): Always call lookup_filename and
2729 (dwarf2out_init): Create file_table here.
2730 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2731 (file_table_relative_p): New.
2732 (dwarf2out_finish): Change detection of relative filenames
2733 to work with new file data structures. Move output_line_info call
2734 after debug_info output.
2736 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2741 * config/i386/i386.c (override_options): Always default to 16
2742 byte stack boundary.
2744 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2747 * var-tracking.c (dump_dataflow_set): Start dumping at
2749 (clobber_variable_part): Kill only the variable part in
2750 registers holding it, leaving other variables alone.
2752 2006-09-11 Josh Triplett <josh@freedesktop.org>
2754 * doc/extend.texi (Other Builtins): Actually use the macro
2755 argument in the documentation example for
2756 __builtin_types_compatible_p.
2758 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2760 PR rtl-optimization/28726
2761 * sched-deps.c (sched_analyze_reg): New function extracted from...
2762 (sched_analyze_1): ...here. Call it to analyze references to
2763 registers. Treat again writes to a stack register as writing to the
2765 (sched_analyze_2): ...and here. Call it to analyze references to
2766 registers. Treat again reads of a stack register as reading the
2769 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2770 David Edelsohn <edelsohn@gnu.org>
2773 * config/rs6000/spe.md (frob_df_di): Remove %H.
2774 (frob_di_df): Remove %H. Change evmergelo to mr.
2775 (frob_di_df_2): Remove %H. Change evldd to two loads.
2777 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2779 * doc/cpp.texi: Fix names of charset options.
2781 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2784 * config/i386/i386.c (override_options): Use 128-bit
2785 stack boundary always for 64bits.
2787 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2789 PR rtl-optimization/28636
2790 * combine.c (force_to_mode): Test for side-effects before
2791 substituting by zero.
2792 (simplify_shift_const): Likewise for zero or other constants.
2794 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2797 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2800 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2803 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2804 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2805 returned by mode_for_size, rather than the mode of src itself,
2806 to choose between 32-bit and 64-bit patterns.
2807 (mips_mem_fits_mode_p): New function.
2808 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2809 that the size of the source matches the size of the destination.
2810 (mov_<store>l, mov_<store>r): Likewise.
2812 2006-09-10 Eric Christopher <echristo@apple.com>
2814 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2817 2006-09-09 Eric Christopher <echristo@apple.com>
2820 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2823 2006-09-09 Roger Sayle <roger@eyesopen.com>
2824 Nicolas Setton <setton@adacore.com>
2826 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2828 2006-09-10 Andreas Schwab <schwab@suse.de>
2830 * config/m68k/m68k.md (bungt_rev): New pattern.
2832 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2833 Dale Johannesen <dalej@apple.com>
2836 * regclass.c (struct reg_pref): Update documentation.
2837 (regclass): Set prefclass to NO_REGS if memory is the best option.
2838 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2840 2006-09-08 Eric Christopher <echristo@apple.com>
2842 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2843 * config/t-slibgcc-darwin: Support x86_64 multilib.
2844 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2845 Return 1 for x86_64-darwin.
2846 * config/i386/t-darwin: Add m64 multilib.
2847 (LIB2_SIDITI_CONV_FUNCS): Use.
2848 (LIB2FUNCS_EXTRA): Ditto.
2849 * config/i386/darwin.h: Support x86_64.
2850 * config/i386/i386.c (override_options): Turn on flag_pic
2851 for x86_64-darwin. Disable flag_omit_pointer.
2852 (get_pc_thunk_name): Assert !TARGET_64BIT.
2853 (legitimate_address_p): Disable machopic addressing for
2855 (legitimize_pic_address): Ditto.
2856 (ix86_expand_move): Ditto.
2857 (ix86_expand_call): Ditto.
2858 (machopic_output_stub): Ditto.
2859 * config/darwin.c (machopic_select_section): Support literal16.
2860 (machopic_select_rtx_section): Ditto.
2861 * config/darwin-sections.def: Ditto.
2862 * config/darwin-64.c: New.
2864 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2867 * c-tree.h (struct c_arg_info): Add pending_sizes.
2868 * c-parser.c (c_parser_parms_declarator,
2869 c_parser_parms_list_declarator): Initialize pending_sizes.
2870 * c-decl.c (get_parm_info): Initialize pending_sizes.
2871 (get_parm_info): Set pending_sizes.
2872 (grokdeclarator): Call put_pending_sizes for parameters for
2873 function definition only.
2875 2006-09-07 Jason Merrill <jason@redhat.com>
2878 * varasm.c (output_constant): Only strip actual no-op conversions.
2881 * config/i386/i386.c (override_options): Use 128-bit
2882 stack boundary if -msse.
2884 2006-09-07 Eric Christopher <echristo@apple.com>
2886 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2888 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2891 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2893 * dwarf2out.c: Remove strange characters from comment above
2894 dwarf2out_frame_debug_expr.
2896 2006-09-07 Eric Christopher <echristo@apple.com>
2898 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2899 * config/darwin.h: ... to here.
2901 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2903 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2905 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2906 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2908 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2909 TARGET_PARTIAL_FLAG_REG_STALL.
2910 (*ashldi3_cconly_rex64): Likewise.
2911 (*ashlsi3_cmp): Likewise.
2912 (*ashlsi3_cconly): Likewise.
2913 (*ashlsi3_cmp_zext): Likewise.
2914 (*ashlhi3_cmp): Likewise.
2915 (*ashlhi3_cconly): Likewise.
2916 (*ashlqi3_cmp): Likewise.
2917 (*ashlqi3_cconly): Likewise.
2918 (*ashrdi3_cmp_rex64): Likewise.
2919 (*ashrdi3_cconly_rex64): Likewise.
2920 (*ashrsi3_cmp): Likewise.
2921 (*ashrsi3_cconly): Likewise.
2922 (*ashrsi3_cmp_zext): Likewise.
2923 (*ashrhi3_cmp): Likewise.
2924 (*ashrhi3_cconly): Likewise.
2925 (*ashrqi3_cmp): Likewise.
2926 (*ashrqi3_cconly): Likewise.
2927 (*lshrdi3_cmp_rex64): Likewise.
2928 (*lshrdi3_cconly_rex64): Likewise.
2929 (*lshrsi3_cmp): Likewise.
2930 (*lshrsi3_cconly): Likewise.
2931 (*lshrsi3_cmp_zext): Likewise.
2932 (*lshrhi3_cmp): Likewise.
2933 (*lshrhi3_cconly): Likewise.
2934 (*lshrqi2_cmp): Likewise.
2935 (*lshrqi2_cconly): Likewise.
2937 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2940 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2941 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2942 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2943 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2944 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2945 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2946 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2947 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2948 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2949 implement only CC setting effects of shift instructions.
2951 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2953 * doc/contrib.texi: Add myself.
2955 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2958 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2959 was set by the user.
2961 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2964 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2965 (divsi_inv_m1): Use them.
2966 (UNSPEC_DIV_INV_TABLE): New constant.
2968 2006-09-06 James E Wilson <wilson@specifix.com>
2971 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2972 then call count_or_remove_death_notes.
2974 2006-09-06 Jason Merrill <jason@redhat.com>
2977 * tree-inline.c (copy_result_decl_to_var): New fn.
2978 (declare_return_variable): Use it. Call declare_inline_vars here.
2979 (expand_call_inline): Not here.
2981 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2983 * doc/contrib.texi: Update my entry.
2985 2006-09-06 Nick Clifton <nickc@redhat.com>
2987 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2989 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2992 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2993 (canonicalize_induction_variables): Likewise.
2994 (tree_unroll_loops_completely): Likewise.
2995 (tree_ssa_prefetch_arrays): Likewise.
2996 (remove_empty_loops): Likewise.
2997 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2998 TODO_cleanup_cfg instead of directly calling
2999 cleanup_tree_cfg_loop.
3000 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3002 (tree_unroll_loops_completely): Likewise.
3003 (remove_empty_loops): Likewise.
3004 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3005 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3006 of tree_ssa_unswitch_loops.
3007 (tree_ssa_loop_ivcanon): Use the return value of
3008 canonicalize_induction_variables.
3009 (tree_ssa_empty_loop): Use the return value of
3011 (tree_complete_unroll): Use the return value of
3012 tree_unroll_loops_completely.
3013 (tree_ssa_loop_prefetch): Use the return value of
3014 tree_ssa_prefetch_arrays.
3015 * passes.c (execute_todo): Before Cleanup CFG, set
3016 updating_used_alone and after cleanup CFG, call
3017 recalculate_used_alone.
3019 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3022 * tree-vect-transform.c (vectorizable_condition): Move the check
3023 for the type after the check for simple condition.
3025 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3026 Kaz Kojima <kkojima@gcc.gnu.org>
3029 * mode-switching.c (optimize_mode_switching): Make the destination
3030 block of an abnormal edge have no anticipatable mode. Don't
3031 insert mode switching code at the end of the source block of
3034 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3036 PR rtl-optimization/26847
3037 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3038 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3039 (simplify_plus_minus): Count n_constants while filling ops. Replace
3040 qsort with insertion sort. Before going through the array to simplify
3041 pairs, sort it. Delay early exit until after the first sort, exiting
3042 only if no swaps occurred. Simplify pairs in reversed order, without
3043 special-casing the first iteration. Pack ops after simplifying pairs.
3045 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3047 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3048 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3049 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3050 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3052 2006-09-05 Richard Guenther <rguenther@suse.de>
3054 PR tree-optimization/28900
3055 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3056 compound conditional before creating COND_EXPR condition.
3058 2006-09-05 Richard Guenther <rguenther@suse.de>
3060 PR tree-optimization/28905
3061 * tree-vrp.c (fix_equivalence_set): Manually implement
3062 !value_ranges_intersect_p to also handle symbolic ranges.
3064 2006-09-05 Richard Guenther <rguenther@suse.de>
3067 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3070 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3072 PR rtl-optimization/27616
3073 * cse.c (table_size): New static variable.
3074 (new_basic_block): Initialize it to 0.
3075 (remove_from_table): Decrement it.
3076 (insert): Increment it.
3077 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3078 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3079 fold_rtx_mem_1 if under the cap.
3080 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3081 the lookup of the equivalent expression and test for equality of the
3082 first operand of the equivalent expression before in turn looking up
3083 an equivalent constant for the second operand.
3085 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3088 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3089 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3090 pointer, instead of assuming it is possible to derive the
3091 correct args size from a call insn.
3093 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3096 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3097 (fold_builtin_mempcpy): Rename to...
3098 (fold_builtin_memory_op): ... this. Optimize one element copy
3100 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3102 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3103 (expand_builtin_memcpy, expand_builtin_mempcpy,
3104 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3105 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3106 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3107 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3109 2006-09-01 DJ Delorie <dj@redhat.com>
3111 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3112 (stzx_16): Likewise.
3113 ("stzx_24_<mode>"): Likewise.
3114 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3115 ("cmp<mode>_op"): New.
3116 (cmp<mode>): Change to expander; just save operands.
3118 (b<code>): Change to expander, emit compare here.
3119 (s<code>_op): Change to use split and expander.
3120 (s<code>_24_op): Likewise.
3121 (s<code>_<mode>): New.
3122 (s<code>_<mode>_24): New.
3123 (movqicc_<code>_<mode): New.
3124 (movhicc_<code>_<mode>): New.
3127 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3128 (m32c_pend_compare): New.
3129 (m32c_unpend_compare): New.
3130 (m32c_expand_scc): New.
3131 (m32c_expand_movcc): Emit the compare also.
3132 * config/m32c/predicates.md (mra_nopp_operand): New.
3134 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3135 Richard Guenther <rguenther@suse.de>
3136 Adam Nemet <anemet@caviumnetworks.com>
3139 * builtins.c (get_pointer_alignment): Handle more forms
3140 of base addresses that can be used to derive more precise
3141 information about alignment.
3143 2006-09-01 Jason Merrill <jason@redhat.com>
3146 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3149 * gimplify.c (voidify_wrapper_expr): Handle null type.
3151 2006-09-01 Josh Conner <jconner@apple.com>
3154 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3155 (execute_return_slot_opt): Use it.
3157 2006-08-31 Josh Conner <jconner@apple.com>
3160 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3161 returning aggregates.
3163 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3165 PR tree-optimization/28839
3166 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3167 blocks in that phi arguments appear.
3169 2006-08-31 Roger Sayle <roger@eyesopen.com>
3172 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3173 NULL, otherwise use an advance_loc4 to adjust relative to the
3175 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3176 (dwarf2out_switch_text_section): Reset the current label to avoid
3177 using advance_loc4 over section boundaries.
3179 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3182 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3183 r12 + SYMBOLIC_CONST.
3185 2006-08-30 Richard Guenther <rguenther@suse.de>
3187 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3189 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3191 PR rtl-optimization/27735
3192 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3193 Add new argument to keep track of whether an irreducible region
3194 was affected. All callers changed.
3195 (fix_irreducible_loops): Removed.
3196 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3197 flags were invalidated.
3199 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3201 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3202 instead of SF operands.
3203 (*fop_df_comm_sse): Likewise.
3204 (*fop_df_comm_i387): Likewise.
3205 (*fop_df_1_mixed): Likewise.
3206 (*fop_df_1_sse): Likewise.
3208 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3209 J"orn Rennecke <joern.rennecke@st.com>
3211 PR tree-optimization/17506
3212 * tree-ssa.c (warn_uninit): If warning about a location outside of
3213 the current function, note where the variable was declared.
3215 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3217 PR tree-optimization/28411
3218 * double-int.c (double_int_div): Use double_int_divmod.
3219 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3220 double_int_mod, double_int_smod, double_int_umod): New functions.
3221 * double-int.h (double_int_divmod, double_int_sdivmod,
3222 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3224 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3226 (get_computation_aff, get_computation_cost_at): Handle double_int
3227 return type of constant_multiple_of.
3229 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3232 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3233 an implicit conversion.
3235 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3237 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3239 2006-08-27 Roger Sayle <roger@eyesopen.com>
3241 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3244 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3246 * config/i386/crtfastmath.c: Fix a comment typo.
3248 2006-08-26 Roger Sayle <roger@eyesopen.com>
3250 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3251 temporary visit flags on CASE_LABEL_EXPRs.
3252 * c-common.c (match_case_to_enum): Add function comment. Avoid
3253 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3254 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3255 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3256 a constant, only warn if that constant value isn't handled.
3258 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3261 * input.h (restore_input_file_stack): Declare.
3262 (INPUT_FILE_STACK_BITS): Define.
3263 * toplev.c (fs_p, input_file_stack_history,
3264 input_file_stack_restored, restore_input_file_stack): New.
3265 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3266 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3267 (pop_srcloc): Don't free old state of stack.
3269 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3272 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3273 (PowerPC Type Attributes): New.
3275 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3277 * config/xtensa/xtensa.c (function_arg_boundary): New.
3278 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3280 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3281 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3283 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3286 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3289 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3291 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3292 (verify_local_live_at_start): Likewise.
3294 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3297 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3298 omp_add_variable): Treat sizes as variable whenever not
3301 2006-08-26 Richard Guenther <rguenther@suse.de>
3304 * fold-const.c (fold_binary): Fold temporary to correct
3305 type before constructing new comparison.
3307 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3310 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3311 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3313 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3316 * c-decl.c (start_function): Don't try to process prototype
3317 information from old declaration that isn't a function.
3319 2006-08-25 Jan Hubicka <jh@suse.cz>
3322 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3324 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3327 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3330 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3332 PR tree-optimization/16876
3333 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3334 exit if PARM doesn't match VALUE.
3336 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3338 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3339 literal_prefix directive.
3340 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3341 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3342 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3344 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3347 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3348 predicate to general_operand. Add 0->y and I->r alternatives.
3350 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3352 * doc/tm.texi: Fix a typo.
3353 * predict.c: Fix comment typos.
3355 2006-08-25 Nick Clifton <nickc@redhat.com>
3357 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3358 assertions of "cpu" and "machine".
3360 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3363 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3364 the access through a base which has an alias set of 0 cannot
3367 2006-08-24 Bill Wendling <wendling@apple.com>
3369 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3371 2006-08-24 Jan Hubicka <jh@suse.cz>
3373 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3375 2006-08-24 Jan Hubicka <jh@suse.cz>
3378 * cgraph.c: Fix comments.
3379 (cgraph_varpool_mark_needed_node): Mark only variables not already
3381 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3382 (cgraph_varpool_assembled_nodes_queue): New static variable.
3383 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3384 (cgraph_varpool_output_debug_info): New function.
3385 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3386 * Makefile.in: Add gt-cgraphunit.h
3388 2006-08-24 Jan Hubicka <jh@suse.cz>
3390 * predict.c (probability_reliable_p): New predicate.
3391 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3392 (predict_loops): Do not predict loop exit with less than 2%
3394 * basic-block.h (edge_probability_reliable_p,
3395 br_prob_note_reliable_p): Declare.
3396 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3397 prediction when static predictor is not reliable.
3398 * rs6000.c (output_cbranch): Likewise.
3400 2006-08-23 Stuart Hastings <stuart@apple.com>
3403 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3404 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3406 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3409 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3410 complex values, nor for generic vector values.
3412 2006-08-22 Richard Guenther <rguenther@suse.de>
3415 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3416 parameter. Convert arguments to arithmetic expression to the
3418 (analyze_scalar_evolution_1): Adjust caller.
3420 2006-08-22 Jan Hubicka <jh@suse.cz>
3422 Patch by Paolo Bonzini
3423 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3426 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3428 PR tree-optimization/28003
3429 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3430 before grouping aliases.
3432 2006-08-22 Roger Sayle <roger@eyesopen.com>
3434 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3435 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3437 2006-08-21 Jason Merrill <jason@redhat.com>
3440 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3441 wrapper. Loop to handle nested wrappers.
3442 (gimplify_bind_expr): Remove temp parameter.
3443 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3444 and STATEMENT_LIST on the rhs.
3445 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3446 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3447 (gimplify_target_expr): Remove special BIND_EXPR handling.
3449 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3451 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3454 2006-08-21 Olivier Hainque <hainque@adacore.com>
3456 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3457 Arrange for the temporary captures of components overlapping the lhs
3458 to happen before the lhs is possibly cleared.
3460 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3462 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3463 necessary places to pass the correct "number of registers" values
3466 2006-08-20 Jan Hubicka <jh@suse.cz>
3468 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3469 (create_name_tags): Instead of quadratic checking use hashtable.
3470 * bitmap.h: Include hashtab.h.
3471 (bitmap_hash): Declare.
3472 * bitmap.c (bitmap_hash): New function.
3474 2006-08-20 Jan Hubicka <jh@suse.cz>
3476 PR rtl-optimization/28071
3477 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3479 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3480 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3481 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3482 cgraph_decide_inlining_incrementally): Update use of
3483 cgraph_check_inline_limits.
3484 * cgraph.c (edge_hash, edge_eq): New function.
3485 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3486 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3487 cgraph_remove_node): Maintain call site hash.
3488 * cgraph.h (struct cgraph_node): Add call_site_hash.
3489 (cgraph_set_call_stmt): New function.
3491 2006-08-20 Jan Hubicka <jh@suse.cz>
3493 PR rtl-optimization/28071
3494 * reload1.c (reg_has_output_reload): Turn into regset.
3495 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3496 choose_reload_regs, emit_reload_insns): Update to new
3497 reg_has_output_reload.
3499 2006-08-20 Jan Hubicka <jh@suse.cz>
3502 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3503 function body sizes.
3504 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3506 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3509 * tree.c (handle_dll_attribute): Return early if not a
3510 var or function decl.
3512 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3515 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3516 alignment of SPE vector types.
3518 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3520 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3522 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3525 * cgraph.h (struct cgraph_node): Remove externally_visible
3527 * cgraphunit.c (process_function_and_variable_attributes): Set
3528 local.externally_visible rather than externally_visible.
3531 * c-common.c (handle_externally_visible_attribute): First look
3532 at TREE_CODE and only if it is function or var decl, check for
3533 non-public objects. Don't warn for DECL_EXTERNAL.
3534 * cgraphunit.c (process_function_and_variable_attributes): Warn
3535 if externally_visible attribute is used on non-public object.
3537 2006-08-17 Jan Hubicka <jh@suse.cz>
3539 PR tree-optimization/27865
3540 * reload1.c (forget_marked_reloads): New function.
3541 (forget_old_reloads_1): When data are passed, just mark the registers
3543 (reload_as_needed): Use the new mechanizm.
3545 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3548 * reload.h (reg_equiv_alt_mem_list): New declaration.
3549 * reload1.c (reg_equiv_alt_mem_list): New definition.
3550 (reload): Initialize it and release it.
3551 (delete_output_reload): Use it.
3552 * reload.c (push_reg_equiv_alt_mem): New function.
3553 (find_reloads_toplev): Call it.
3554 (find_reloads_address, find_reloads_address_1): Likewise.
3555 (find_reloads_subreg_address): Likewise.
3557 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3559 PR rtl-optimization/28489
3560 * sched-ebb.c (begin_schedule_ready): Create basic block
3562 (advance_target_bb): Skip empty blocks.
3563 * haifa-sched.c (bb_note): Make global.
3564 * sched-int.h (bb_note): Add prototype.
3566 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3568 PR tree-optimization/27865
3569 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3571 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3572 fold_used_pointer, pointer_used_p): New functions.
3573 (analyze_scalar_evolution_1): Use fold_used_pointer.
3574 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3575 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3578 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3581 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3582 or the INTEGER_CST. Fail on a CALL_EXPR.
3583 (fold_offsetof): Pass new argument to fold_offsetof_1.
3584 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3585 operand into an INDIRECT_REF.
3586 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3588 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3590 PR gcov/profile/26570
3591 * value-prof.c (static_values): Removed.
3592 (tree_find_values_to_profile): Do not set static_values.
3593 (find_values_to_profile): Do not free static_values.
3594 * profile.c (instrument_values): Do not free the values.
3595 (branch_prob): Free the values.
3597 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3599 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3601 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3604 * c-typeck.c (build_component_ref): Combine qualifiers of
3605 structure or union and field.
3607 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3609 PR rtl-optimization/28071
3610 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3611 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3612 * tree-into-ssa.c (struct dom_dfsnum): New.
3613 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3615 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3616 compute_global_livein.
3617 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3618 in phi nodes in the correct blocks.
3620 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3622 PR tree-optimization/28364
3623 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3625 (fold_affine_expr): New function.
3626 (may_eliminate_iv): Use fold_affine_expr.
3628 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3631 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3634 2006-08-16 Mike Stump <mrs@apple.com>
3636 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3637 * doc/cppopts.texi (-MD): Likewise.
3639 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3642 * c-common.c (handle_weak_attribute): Ignore and warn if
3643 not a FUNCTION_ or VAR_DECL.
3645 2006-07-15 Mike Stump <mrs@apple.com>
3648 * c-parser.c (c_parser_typeof_specifier): Don't use
3649 c_finish_expr_stmt, open code desired semantics instead.
3651 2006-08-15 Nick Clifton <nickc@redhat.com>
3653 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3654 fragment to tmake_file only if threads are enabled.
3655 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3656 * config/i386/t-gthr-win32: New file. ... here.
3658 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3661 * c-parser.c (c_parser_compound_statement_nostart): Reset
3662 parser->error after each statement.
3664 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3667 * omp-low.c (lower_omp_parallel): Convert t to
3668 receiver_decl's type.
3669 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3670 source before comparison.
3673 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3674 to itype in assignment to oldival2.
3676 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3680 * c-typeck.c (build_compound_expr): If the second expression
3681 is an error mark, then just return an error mark instead of
3682 creating a COMPOUND_EXPR.
3684 2006-07-14 Mike Stump <mrs@apple.com>
3686 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3688 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3690 * c-decl.c, var-tracking.c: Fix comment typos.
3692 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3694 PR rtl-optimization/28634
3695 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3696 for floating-point modes unless flag_unsafe_math_optimizations.
3698 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3699 Andrew Pinski <pinskia@physics.uc.edu>
3702 * tree.c (build_array_type): Unify array types with
3703 unspecified index_type.
3704 * c-decl.c (grokdeclarator): Make sure we do not modify a
3705 unified incomplete array type.
3706 * c-typeck.c (store_init_value): Create distinct type before
3707 filling in the index type in an initializer from a compound
3710 * c-decl.c (grokdeclarator): Remove code where we copy the
3713 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3715 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3716 into account for TODO_dump_cgraph.
3717 (TODO_update_ssa_no_phi): Likewise.
3718 (TODO_update_ssa_full_phi): Likewise.
3719 (TODO_update_ssa_only_virtuals): Likewise.
3720 (TODO_remove_unused_locals): Likewise.
3721 (TODO_set_props): Likewise.
3722 (TODO_update_stmt_usage): Likewise.
3724 2006-08-13 Dirk Mueller <dmueller@suse.de>
3726 * c-common.c (strict_aliasing_warning): Fix formatting.
3728 2006-08-13 Matthias Klose <doko@debian.org>
3730 * doc/invoke.texi: Fix spelling errors.
3732 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3734 PR rtl-optimization/23454
3735 * reorg.c (relax_delay_slots): Update comment.
3737 2006-08-11 Richard Guenther <rguenther@suse.de>
3740 * simplify-rtx.c (simplify_const_relational_operation):
3741 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3744 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3746 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3747 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3749 2006-08-10 Paul Brook <paul@codesourcery.com>
3751 * final.c (final_scan_insn): Clear current_insn_predicate before
3752 outputting inline asm.
3754 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3756 PR tree-optimization/26197
3757 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3758 get_ref_base_and_extent and overlap_subvar to add only relevant
3759 subvars as may-aliases.
3760 (add_may_alias_for_new_tag): New function, factored out of
3762 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3763 with additional argument.
3764 * tree-flow.h (new_type_alias): Takes additional argument.
3766 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3768 * gcov.c (no_data_file): New flag.
3769 (read_count_file): Set it if data file not present. Assume counts
3771 (output_lines): Don't name the data file, if there wasn't one.
3773 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3775 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3776 (rs6000_generate_compare): Tweak comments.
3777 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3779 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3781 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3782 (var_debug_decl): New function.
3783 (var_reg_set): Follow debug decl link. Add location even if
3784 reg is already known to hold some other variable.
3785 (var_mem_set): Follow debug decl link.
3786 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3787 decl link. Delete other known locations of the variable part
3789 (var_reg_delete, var_mem_delete): Delete other known locations
3790 of the variable part if requested.
3791 (same_variable_part_p): New function.
3792 (add_stores): Select MO_COPY when appropriate.
3793 (vt_initialize): Handle it.
3794 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3795 known locations for MO_SET and MO_CLOBBER.
3796 (find_variable_location_part): New function.
3797 (set_variable_part, delete_variable_part): Use it.
3798 (clobber_variable_part): New function.
3799 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3802 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3804 PR tree-optimization/26969
3805 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3806 with an empty list of PHIs.
3808 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3812 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3815 2006-08-06 Andreas Schwab <schwab@suse.de>
3817 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3818 string. Whitespace and comment fixup.
3820 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3823 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3827 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3830 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3832 2006-08-04 Jan Hubicka <jh@suse.cz>
3836 * reload.c (push_reload): Patch out the mismatching instruction;
3838 (find_reload): Bail out if the instruction was patched out.
3840 2006-08-04 Jan Hubicka <jh@suse.cz>
3842 PR tree-optimization/24888
3843 * tree-inline.c (expand_call_inline): Do not re-record variables.
3844 (declare_inline_vars): Add variable to unexpanded_var_list.
3846 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3847 Roger Sayle <roger@eyesopen.com>
3849 PR rtl-optimization/26244
3850 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3851 inner_const are negative or greater than or equal to the bitsize of
3852 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3853 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3854 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3855 CONST0_RTX (mode) when the new shift count is greater than or equal to
3856 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3859 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3861 * tree-cfg.c: Fix a comment typo.
3863 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3866 * varasm.c (output_constant): Give the front end another chance to
3867 expand constants, after stripping NOPs.
3869 2006-08-03 Jan Hubicka <jh@suse.cz>
3871 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3874 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3876 PR tree-optimization/27770
3877 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3878 declaration removed (moved to tree-flow.h).
3879 (vect_can_force_dr_alignment_p): Likewise.
3880 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3881 (moved from tree-vectorizer.h).
3882 (vect_can_force_dr_alignment_p): Likewise.
3883 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3884 from outside the vectorizer - in particular from cgraph stage.
3885 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3886 the alignment of global arrays when -fsection-anchors is enabled.
3887 * cgraphunit.c (cgraph_increase_alignment): New function.
3888 (cgraph_optimize): Call cgraph_increase_alignment.
3890 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3893 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3894 not reload a SPE symbol_ref into a lo_sum address.
3896 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3899 * dwarf2out.c (prune_unused_types_prune): Move call to
3900 prune_unused_types_update_strings to cover the parent DIE also.
3902 2006-08-02 Jan Hubicka <jh@suse.cz>
3904 PR gcov/profile/28480
3905 * tree-cfg.c (change_bb_for_stmt): New function.
3906 (tree_merge_blocks, tree_split_blocks): Use it.
3908 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3914 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3915 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3916 (cgraph_optimize): Likewise.
3918 2006-08-01 Stuart Hastings <stuart@apple.com>
3920 * rtl.h (UINTVAL) New.
3921 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3922 * testsuite/gcc.dg/20060801-1.c: New.
3924 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3927 * c-typeck.c (build_external_type): Mark used enum types.
3928 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3930 (gen_subprogram_die): Whitespace fix.
3932 2006-08-01 Jan Hubicka <jh@suse.cz>
3934 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3935 bitmap when not needed.
3936 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3939 2006-08-01 Dirk Mueller <dmueller@suse.de>
3941 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3943 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3945 * Makefile.in: Revert part of previous patch:
3946 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3949 2006-07-30 Eric Christopher <echristo@apple.com>
3952 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3953 (PowerPC Variable Attributes): New section.
3955 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3957 PR target/28126 (partial fix)
3958 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3960 2006-07-28 Jan Hubicka <jh@suse.cz>
3962 PR rtl-optimization/28071
3963 * cfgrtl.c (rtl_delete_block): Free regsets.
3964 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3966 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3968 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3969 and variables used in dependencies.
3971 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3973 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3974 %fs for -mcmodel=kernel.
3975 (stack_tls_protect_test_di): Likewise.
3977 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3979 * Makefile.in: Use mkinstalldirs.
3981 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3984 * opts-common.c (prune_options): Skip joined switches.
3986 2006-07-27 Jan Hubicka <jh@suse.cz>
3988 PR rtl-optimization/28071
3989 * cselib.c (cselib_process_insn): Don't remove useless values too
3990 often for very large hashtables.
3992 2006-07-27 Jan Hubicka <jh@suse.cz>
3994 PR rtl-optimization/28071
3995 * global.c (greg_obstack): New obstack.
3996 (allocate_bb_info): Use it.
3997 (free_bb_info): Likewise.
3998 (modify_reg_pav): Likewise.
4000 2006-07-27 Roger Sayle <roger@eyesopen.com>
4002 * builtins.c (fold_fixed_mathfn): When long and long long are the
4003 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4004 functions to their lceil*, lfloor*, lround* and lrint* forms.
4006 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4009 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4011 (rev_branch_insn): Likewise.
4013 2006-07-27 Jan Hubicka <jh@suse.cz>
4015 PR rtl-optimization/28071
4016 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4017 (reg_set_in_bb, max_reg_computed): New static variables.
4018 (regmove_optimize): Free the new array.
4019 (fixup_match_1): Update call of reg_is_remote_constant_p.
4021 2006-07-26 Jan Hubicka <jh@suse.cz>
4023 PR tree-optimization/27882
4024 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4026 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4028 (cgraph_analyze_compilation_unit): Likewise.
4029 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4030 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4031 (cgraph_early_inlinine): Make order garbage collected.
4032 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4034 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4036 * dbxout.c (output_types_sort): Add a comment.
4037 (output_used_types): Free the VEC.
4039 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4041 * function.c (reorder_fix_fragments): Delete.
4042 (reorder_blocks): Don't call it.
4043 (reorder_blocks_1): Put all subblocks under the origin block.
4045 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4047 PR rtl-optimization/27907
4048 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4051 2006-07-25 Roger Sayle <roger@eyesopen.com>
4054 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4055 bar(x) check that bar's result type can represent all the values of T.
4057 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4059 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4061 2006-07-25 Nick Clifton <nickc@redhat.com>
4063 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4064 size_lookup[] array.
4065 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4066 (ggc_pch_count_object): Likewise.
4067 (ggc_pch_alloc_object): Likewise.
4068 (ggc_pch_write_object): Likewise.
4069 (init_ggc): Do not attempt to initialize entries in the
4070 size_lookup[] array for objects whose size is greater than than
4071 the length of the array.
4073 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4075 * dbxout.c (output_used_types_helper): Push queued types
4077 (output_types_sort): New.
4078 (output_used_types): Collect used types on a VEC and sort them
4081 2006-07-24 Richard Guenther <rguenther@suse.de>
4084 * cgraph.c (cgraph_remove_node): Do not check if dumps
4086 * cgraphunit.c (cgraph_optimize): Likewise.
4088 2006-07-24 Jan Hubicka <jh@suse.cz>
4090 PR rtl-optimization/28071
4091 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4092 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4093 splitting before first stmt.
4095 2006-07-24 Jan Hubicka <jh@suse.cz>
4097 PR rtl-optimization/28071
4098 * ipa-inline.c (update_caller_keys): Remove edges that
4099 are no longer inline candidates.
4101 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4104 * dbxout.c (output_used_types_helper, output_used_types): New.
4105 (dbxout_symbol): Call output_used_types.
4107 2006-07-23 Jan Hubicka <jh@suse.cz>
4111 * cgraph.c (cgraph_varpool_nodes): Export.
4112 (decide_is_variable_needed): Ignored "used" attribute in
4113 unit-at-a-time mode.
4114 * cgraph.h (cgraph_varpool_nodes): Declare.
4115 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4116 unit-at-a-time mode.
4118 2006-07-23 Roger Sayle <roger@eyesopen.com>
4121 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4122 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4123 the __gthrw form of thr_keycreate.
4124 (__gthread_key_delete): Silence the unused argument warning.
4126 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4129 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4130 Cache the last found '\0' marker to avoid quadratic behavior.
4132 2006-07-23 Jan Hubicka <jh@suse.cz>
4134 * i386.md (subsi_3_zext): Fix output template.
4136 2006-07-21 Mike Stump <mrs@apple.com>
4138 * doc/invoke.texi (C++ Dialect Options): Note that
4139 -fvisibility-inlines-hidden doesn't affect explicitly
4140 instantiationed inline methods.
4142 2006-07-20 Roger Sayle <roger@eyesopen.com>
4144 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4145 if the target assembler is GNU binutils' gas.
4146 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4147 whether to pass GNU gas or native as command line options.
4149 2006-07-20 Jason Merrill <jason@redhat.com>
4151 * tree.c (remove_attribute): New fn.
4152 * tree.h: Declare it.
4154 2006-07-20 Paul Brook <paul@codesourcery.com>
4157 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4158 they are invalidated by this instruction.
4160 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4163 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4165 2006-07-20 Eric Christopher <echristo@apple.com>
4168 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4170 2006-07-19 Eric Christopher <echristo@apple.com>
4172 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4173 Rewrite dependencies for libgcc_s.1.dylib.
4175 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4177 * except.c (duplicate_eh_regions_1): Clear next_peer.
4179 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4181 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4182 -mlongcall does not guarantee all calls will be long.
4183 * doc/extend.texi (long_call/short_call): Document that longcall
4184 does not guarantee a long call will be used.
4185 (longcall/shortcall): Likewise.
4187 2006-07-18 Roger Sayle <roger@eyesopen.com>
4190 * expmed.c (expand_shift): Additionally check that the shift_cost
4191 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4192 before implementing a LSHIFT_EXPR as a sequence of additions.
4193 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4194 middle-end that DImode shifts need to be synthesized by expand.
4196 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4199 * tree-ssa-operands.c (access_can_touch_variable): Update
4201 Return true if ALIAS is .GLOBAL_VAR.
4203 2006-07-18 David Daney <ddaney@avtrex.com>
4205 * gcc.c (display_help): Fix typo in help text.
4207 2006-07-18 Olivier Hainque <hainque@adacore.com>
4209 * tree.h (categorize_ctor_elements): Adjust prototype and add
4210 descriptive comment, both in accordance with the interface change
4212 * varasm.c (constructor_static_from_elts_p): New function.
4213 Whether a constructor node is a valid static constant initializer
4214 if all its elements are.
4215 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4216 * output.h: Declare it.
4217 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4218 is a valid constant initializer instead of computing the number of
4219 non-constant elements. Use constructor_static_from_elts_p for this
4220 purpose. Replace the head comment with an indication that this is a
4221 helper for categorize_ctor_elements.
4222 (categorize_ctor_elements): Same interface change as for the _1
4223 helper. Former head comment from this helper moved here, adjusted to
4224 account for the interface changes.
4225 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4226 (all_zeros_p): Likewise.
4227 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4228 static versions of the constructor from the categorize_ctor_elements
4229 return value instead of the formerly computed number of non-constant
4232 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4234 * configure: Regenerate.
4235 * Makefile.in (build_libsubdir): New configure substitution
4236 (build_libobjdir): New variable.
4237 (BUILD_LIBIBERTY): Use it.
4239 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4242 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4244 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4247 * c-common.c (handle_weakref_attribute): Ignore attribute in
4248 the same conditions the alias attribute is ignored.
4250 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4252 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4253 (dbxout_begin_prologue): Increment scope_labelno.
4255 2006-07-17 Richard Henderson <rth@redhat.com>
4258 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4261 2006-07-17 Roger Sayle <roger@eyesopen.com>
4262 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4264 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4265 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4266 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4267 functions such as sbrk, write, etc.. Add function prototypes.
4268 Convert function declarations from K&R to ISO C. Cast pointers
4269 to "long" and "unsigned long" instead of "int" and "unsigned int".
4270 Convert tokens following #endif into comments.
4272 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4274 * invoke.texi: Remove mention of f77; Reformat table for
4275 inline parameter options correctly; mention that -malign-double
4276 is default on x86-64 targets.
4278 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4280 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4281 (convert_affine_scev, chrec_convert_aggressive): Use
4282 avoid_arithmetics_in_type_p. Do not check for the subtypes
4285 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4288 * optabs.c (expand_doubleword_shift): Wrap the call to
4289 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4291 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4294 * optabs.c (expand_binop): Pass next_methods rather than methods
4295 to expand_doubleword_shift.
4297 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4300 * tree.h (dump_addr): Declare.
4301 * print-tree.c (dump_addr): New function.
4302 (print_node_brief, print_node): Use it.
4303 * print-rtl.c (print_rtx): Likewise.
4304 * common.opt (-fdump-noaddr): New option.
4305 * doc/invoke.texi (-fdump-noaddr): Document.
4306 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4307 (ve_info_hash): Likewise.
4309 2006-07-13 Andrew Haley <aph@redhat.com>
4311 PR tree-optimization/19505
4312 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4313 edge leaving this block, make sure that the destination of this
4314 block has only one predecessor.
4316 2006-07-17 Richard Guenther <rguenther@suse.de>
4318 PR tree-optimization/28238
4319 * tree-inline.c (copy_bb): Check if we produced valid
4320 gimple copying and substituting a stmt. If not, gimplify
4323 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4325 * optabs.c (maybe_encapsulate_block): New function extracted from...
4326 (emit_libcall_block): ...here. Invoke it on the block of insns to
4327 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4328 (emit_no_conflict_block): Likewise.
4330 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4332 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4334 2006-07-15 Roger Sayle <roger@eyesopen.com>
4336 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4337 a new NOP_EXPR case of the switch statement.
4339 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4342 * stor-layout.c (place_field): Take the bit field with
4343 an excessive size into account in the ms-bitfiled case.
4346 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4347 the previous bit field.
4349 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4352 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4354 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4356 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4357 signal frames correctly even when the signal was installed with
4360 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4362 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4363 (dbxout_function_end): Use local label LFBB. Remove hook
4365 (dbxout_source_line): Use local label LFBB.
4366 (dbxout_block): Likewise.
4367 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4368 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4369 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4370 and DBX_OUTPUT_NFUN.
4372 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4374 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4376 2006-07-13 Jan Hubicka <jh@suse.cz>
4378 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4380 * output.h (align_variable): Declare.
4381 * varasm.c (align_variable): Export.
4382 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4383 when basic block changed.
4385 2006-07-13 Nick Clifton <nickc@redhat.com>
4387 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4388 walking the LOG_LINKS chain.
4390 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4392 * doc/invoke.texi (C++ Dialect Options): Explain difference
4393 between -fvisibility-inlines-hidden and setting hidden
4394 visibility explicitly.
4396 2006-07-12 Eric Christopher <echristo@apple.com>
4398 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4399 (stmp-lipo): Depend on libgcc.a.
4401 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4403 * tree.c: Fix a comment typo.
4405 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4407 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4409 (umulhisi3_r): Likewise.
4411 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4414 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4415 x < 19, vs wchar_t support.
4417 2006-07-12 Nick Clifton <nickc@redhat.com>
4419 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4420 instead of -isa=sh4.
4422 2006-07-12 Mike Stump <mrs@apple.com>
4424 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4426 2006-07-10 Eric Christopher <echristo@apple.com>
4428 * config/t-slibgcc-darwin: Rewrite.
4430 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4433 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4436 2006-07-08 Matthias Klose <doko@debian.org>
4438 * doc/sourcebuild.texi: Fix typo.
4440 2006-07-07 Mike Stump <mrs@apple.com>
4442 * toplev.c (process_options): Don't give -ffunction-sections may
4443 affect debugging warning for Mach-O.
4445 2006-07-07 James E Wilson <wilson@specifix.com>
4447 * config/mips/mips.md (cpu): Add sb1a.
4448 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4449 addition to sb1. Adjust comments to clarify SB-1A differences from
4451 (ir_sb1a_load): New. Modify bypasses to use it.
4452 (ir_sb1a_simple_alu): Likewise.
4453 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4454 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4455 (mips_issue_rate): Add PROCESSOR_SB1A.
4456 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4457 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4458 (TARGET_SB1): Add PROCESSOR_SB1A check.
4459 (TUNE_SB1): Likewise.
4461 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4462 * config/mips/mips.c (mips_store_data_bypass_p): New.
4463 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4464 store_data_bypass_p.
4466 2006-07-08 Paul Brook <paul@codesourcery.com>
4469 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4471 2006-07-07 Richard Guenther <rguenther@suse.de>
4474 * tree.h (build_one_cst): Declare.
4475 * tree.c (build_one_cst): New function.
4476 * tree-ssa-math-opts.c (get_constant_one): Remove.
4477 (insert_reciprocals): Use build_one_cst.
4478 * fold-const.c (fold_plusminus_mult): Likewise.
4480 2006-07-07 Roger Sayle <roger@eyesopen.com>
4482 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4483 * cfgloopanal.c (dump_graph): Likewise.
4484 * dojump.c (discard_pending_stack_adjust): Likewise.
4485 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4487 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4488 * function.c (finalize_block_changes): Likewise.
4489 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4490 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4491 * rtl.c (dump_rtx_statistics): Likewise.
4492 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4494 * varray.c (dump_varray_statistics): Likewise.
4495 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4496 decode_decimal64, encode_decimal128, decode_decimal128,
4497 decimal_real_to_decimal): Likewise.
4499 2006-07-07 Richard Guenther <rguenther@suse.de>
4501 PR tree-optimization/28187
4502 * tree-vrp.c (vrp_operand_equal_p): New function.
4503 (vrp_bitmap_equal_p): Likewise.
4504 (update_value_range): Use them to compare old and new
4507 2006-07-06 Roger Sayle <roger@eyesopen.com>
4509 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4510 a default case to switch statement to silence compiler warnings.
4512 2006-07-06 Roger Sayle <roger@eyesopen.com>
4515 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4516 the configured assembler supports the x87's ffreep mnemonic.
4517 * configure: Regenerate.
4518 * config.in: Regenerate.
4520 * config/i386/i386.c (output_387_ffreep): New function.
4521 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4522 (output_387_reg_move): Likewise.
4524 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4526 Port to hosts whose 'sort' and 'tail' implementations
4527 treat operands with leading '+' as file names, as POSIX
4528 has required since 2001. However, make sure the code still
4529 works on pre-POSIX hosts.
4530 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4531 which says you should use "tail -c +N" rather than "tail +Nc".
4532 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4534 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4536 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4539 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4542 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4543 PRE_{INC,DEC} of TFmode.
4545 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4546 Alan Modra <amodra@bigpond.net.au>
4549 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4552 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4555 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4556 Remove duplicate gtu.
4558 2006-07-05 Jason Merrill <jason@redhat.com>
4562 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4563 * c-common.c (handle_packed_attribute): So don't copy it here.
4564 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4566 2006-07-05 Mike Stump <mrs@apple.com>
4568 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4570 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4573 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4575 2006-07-05 Richard Guenther <rguenther@suse.de>
4578 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4579 TARGET_SSE2 targets if using SSE math.
4580 (*absdf2_1): Likewise.
4582 2006-07-05 Richard Guenther <rguenther@suse.de>
4584 PR tree-optimization/28162
4585 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4586 make sure to convert the operands to the correct type.
4588 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4590 PR tree-optimization/28218
4592 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4593 to calculate and free the dominator information.
4595 2006-07-04 Peter O'Gorman <peter@pogma.com>
4597 * mklibgcc.in: chmod 644 before ranlib during install.
4599 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4600 J"orn Rennecke <joern.rennecke@st.com>
4602 * configure.ac (.eh_frame data check): Use diff -b.
4604 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4607 * Makefile.in (BUILD_RTL): Add build/vec.o.
4608 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4609 (build/genextract): Delete.
4610 (build/genautomata): Likewise.
4612 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4615 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4616 128-bit IBM long doubles for ABI_V4.
4618 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4620 * tree.c (range_in_array_bounds_p): New predicate.
4621 * tree.h (range_in_array_bounds_p): Declare it.
4622 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4623 return a less conservative answer.
4624 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4625 and flag 'is_group'.
4626 (IS_ELEMENT_FOR_GROUP): New macro.
4627 (FOR_EACH_ACTUAL_CHILD): Likewise.
4628 (next_child_for_group): New helper function.
4629 (can_completely_scalarize_p): Take into account groups.
4630 (sra_hash_tree): Handle RANGE_EXPR.
4631 (sra_elt_eq): Likewise.
4632 (lookup_element): Be prepared for handling groups.
4633 (is_valid_const_index): Delete.
4634 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4635 instead of is_valid_const_index.
4636 <ARRAY_RANGE_REF>: New case.
4637 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4638 is_valid_const_index.
4639 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4640 (scan_dump): Dump info for groups too.
4641 (decide_instantiation_1): Likewise.
4642 (decide_block_copy): Assert that the element is not a group.
4643 Propagate decision to groups.
4644 (generate_one_element_ref): Handle RANGE_EXPR.
4645 (mark_no_warning): Iterate over actual childs.
4646 (generate_copy_inout): Likewise.
4647 (generate_element_copy): Likewise.
4648 (generate_element_zero): Likewise.
4649 (generate_element_init_1): Likewise.
4650 (dump_sra_elt_name): Handle RANGE_EXPR.
4652 2006-07-03 Roger Sayle <roger@eyesopen.com>
4654 PR tree-optimization/26251
4655 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4656 (thread_block): When optimizing for size refuse to thread jumps
4657 that would require duplication of blocks other than redirection
4660 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4662 * configure.ac: Fix thinko in previous check-in.
4663 * configure: Regenerate.
4665 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4668 * configure.ac (for lang...): Simplify nesting of conditionals.
4669 Test subdir_requires for non-enabled languages. Move processing
4670 of lang_opt_files and lang_tree_fiels below that test.
4671 * configure: Regenerate.
4672 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4674 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4676 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4678 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4680 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4683 2006-06-29 Jason Merrill <jason@redhat.com>
4690 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4691 * c-common.c (c_determine_visibility): Handle it here.
4692 * c-decl.c (finish_decl): Call c_determine_visibility for
4694 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4696 * varasm.c (default_assemble_visibility): Likewise.
4697 * c-common.c (handle_visibility_attribute): Complain about trying
4698 to give visibility to an already defined class, or trying to change
4699 declared visibility. Always attach the attribute.
4704 * attribs.c (decl_attributes): Ignore type-in-place attributes
4705 once the type has been defined.
4707 2006-06-29 Roger Sayle <roger@eyesopen.com>
4710 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4711 to indicate the cpplib has issued an error message for us.
4713 2006-06-29 Asher Langton <langton2@llnl.gov>
4716 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4717 insert a label at the end of an function under Mach-O.
4719 2006-06-29 Eric Christopher <echristo@apple.com>
4720 Evan Cheng <evan.cheng@apple.com>
4722 * predicates.md (vector_all_ones_operand): New.
4723 (nonimmediate_or_sse_const_operand): Ditto.
4724 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4725 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4726 (standard_sse_mode_p): Ditto.
4727 (standard_sse_constant_p): Add case for -1 vector.
4728 (ix86_expand_vector_move): Try to use.
4729 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4730 Call standard_sse_constant_opcode.
4731 (*movv4sf_internal): Ditto.
4732 (*movv2df_internal): Ditto.
4734 2006-06-29 Roger Sayle <roger@eyesopen.com>
4736 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4737 of XEXP to extract the operands of a MATCH_CODE rtx.
4739 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4741 * tree.c (tree_size): Do not waste tail padding in
4742 struct tree_string and make the size be the same as
4743 build_string will generate.
4745 2006-06-28 Jason Merrill <jason@redhat.com>
4748 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4749 may_aliases already in the tag's annotations to the bitmap.
4751 2006-06-28 Roger Sayle <roger@eyesopen.com>
4753 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4755 2006-06-28 Roger Sayle <roger@eyesopen.com>
4757 * genpreds.c (generate_switch_p): New function.
4758 (add_mode_tests): Push the new mode test down inside an AND expr
4759 if this allows the switch-suitable MATCH_CODE to be near the root.
4760 (write_match_code_switch): New function to write a MATCH_CODE as
4762 (write_predicate_stmts): New function to write a predicate RTX
4763 expression as a sequence of statements.
4764 (write_one_predicate_function): Use write_predicate_stmts.
4765 (write_tm_constrs_h): Likewise.
4767 2006-06-26 Fred Fish <fnf@specifix.com>
4769 * config/mips/t-sb1: New file.
4770 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4773 2006-06-26 DJ Delorie <dj@redhat.com>
4775 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4777 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4778 Jayant Sonar <jayants@kpitcummins.com>
4779 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4781 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4782 (subsi3, subsi3_1, subsi3_2): New.
4783 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4784 * config/m32c/mov.md (SI mov peephole): New.
4785 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4786 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4788 2006-06-26 Olivier Hainque <hainque@adacore.com>
4790 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4791 a CALL_EXPR target function declaration.
4793 2006-06-26 Richard Guenther <rguenther@suse.de>
4795 * tree.c (build_string): Do not waste tail padding in
4798 2006-06-26 Richard Guenther <rguenther@suse.de>
4800 * ggc-page.c (init_ggc): Add missing element to size_lookup
4804 2006-06-23 Richard Guenther <rguenther@suse.de>
4806 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4807 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4808 alignment requests instead. Add verification code.
4809 Add struct tree_function_decl and struct tree_binfo size to
4810 extra_order_size_table. Add missing element to size_lookup
4813 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4816 * fold-const.c (const_binop): Be prepared for self returning zero.
4817 Simplify code handling complex values.
4819 2006-06-24 Olivier Hainque <hainque@adacore.com>
4821 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4822 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4825 2006-06-24 Olivier Hainque <hainque@adacore.com>
4827 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4828 ARRAY_REF, so have the callback called for the low bound expression.
4830 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4832 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4833 * c-typeck.c (c_common_type): Disallow operations on decimal float
4834 types and other float types.
4835 * convert.c (convert_to_real): Don't ignore conversions involving
4836 decimal float types.
4838 2006-06-23 Olivier Hainque <hainque@adacore.com>
4840 * tree.c (max_int_size_in_bytes): New function, inspired from
4841 code in function.c:assign_temp.
4842 * tree.h (max_int_size_in_bytes): Declare.
4843 * function.c (assign_temp): Use it.
4844 * gimplify.c (create_tmp_var): Relax the assertions on the type
4845 properties, not mandating constant size any more.
4846 (force_constant_size): New static function.
4847 (gimple_add_tmp_var): Use it, forcing variable size to a
4848 constant upper bound if it is not constant on entry.
4850 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4853 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4854 for initialization and setting of one_only flag to ...
4855 (i386_pe_encode_section_info): ...here.
4856 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4857 Recheck that the symbol has not been defined.
4859 2006-06-23 Richard Guenther <rguenther@suse.de>
4861 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4862 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4863 alignment requests instead. Add verification code.
4864 Add struct tree_function_decl and struct tree_binfo size to
4865 extra_order_size_table. Add missing element to size_lookup
4868 2006-06-22 Roger Sayle <roger@eyesopen.com>
4869 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4872 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4873 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4875 2006-06-23 Ben Elliston <bje@au.ibm.com>
4877 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4878 negate dn -- manipulate it directly.
4880 2006-06-22 Roger Sayle <roger@eyesopen.com>
4881 Steven Bosscher <stevenb.gcc@gmail.com>
4884 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4885 generated by gen_move_insn to add REG_LABEL notes if necessary.
4887 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4889 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4890 (leaf_entry): Remove use of MIN_ESA.
4892 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4894 PR rtl-optimization/28121
4895 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4898 2006-06-21 DJ Delorie <dj@redhat.com>
4900 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4902 (mulhisi3_r): Likewise.
4904 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4907 * coverage.c (coverage_counter_alloc): Leave the index type
4909 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4912 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4914 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4915 section from the "Options for Code Generation Conventions".
4917 2006-06-21 Richard Henderson <rth@redhat.com>
4921 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4923 (global_symbolic_operand): Allow weak symbols, even if local_p.
4925 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4927 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4928 (find_interesting_uses_address): Punt if above function returns true.
4930 2006-06-21 Richard Guenther <rguenther@suse.de>
4932 * configure: Regenerated.
4934 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4936 * config/mips/mips.c (function_arg): Where one part of a
4937 complex argument is in registers and the other part in the stack,
4938 return a REG not a PARALLEL.
4940 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4942 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4943 when cross-compiling. Do not substitute libstdcxx_incdir.
4944 * configure: Regenerated.
4946 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4948 * varasm.c (mergeable_string_section): Check for embedded NULs and
4949 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4950 rather than TREE_STRING_LENGTH bytes.
4952 2006-06-21 Richard Guenther <rguenther@suse.de>
4954 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4955 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4958 2006-06-21 Richrad Guenther <rguenther@suse.de>
4960 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4961 Limit iteration over the dominators.
4963 2006-06-20 Roger Sayle <roger@eyesopen.com>
4965 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4966 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4968 2006-06-20 Richard Guenther <rguenther@suse.de>
4969 Michael Matz <matz@suse.de>
4971 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4973 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4974 * et-forest.h (et_free_pools): Prototype new function.
4975 * et-forest.c (et_free_tree_force): Free parent occurrence.
4976 (et_free_pools): New function.
4977 * dominance.c (free_dominance_info): Free et-forest alloc
4980 2006-06-20 Roger Sayle <roger@eyesopen.com>
4982 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4983 integer modes, attempt to directly construct an integer constant.
4985 * fold-const.c (native_encode_vector): Determine the size of each
4986 element from the vector type instead of the first vector element.
4988 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4989 if all of its elements/components are constant.
4990 (build_constructor_from_list): Likewise.
4992 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4994 PR tree-optimization/27331
4995 * tree-data-ref.c (free_data_ref): New function.
4996 (create_data_ref): Fail if the data reference has unknown access
4998 (free_data_refs): Use free_data_ref.
5000 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5003 * tree-inline.c (setup_one_parameter): Strip useless
5004 type conversion before adding it to the IR.
5005 (declare_return_variable): Likewise.
5007 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5010 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5012 2006-06-19 Mike Stump <mrs@apple.com>
5014 * tree.c (variably_modified_type_p): VM arguments don't make the
5017 2006-06-19 Richard Guenther <rguenther@suse.de>
5019 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5020 type conversions after folding.
5022 2006-06-19 Richard Guenther <rguenther@suse.de>
5024 * ggc-page.c (extra_order_size_tab): Add entries with
5025 size of struct function and basic_block.
5026 (size_lookup): Extend to cover sizes up to 511.
5027 (ggc_alloc_stat): Adjust user.
5028 (ggc_pch_count_object): Likewise.
5029 (ggc_pch_alloc_object): Likewise.
5030 (ggc_pch_write_object): Likewise.
5032 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5034 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5035 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5038 2006-06-19 Denis Chertykov <denisc@overta.ru>
5040 * config/avr/libgcc.S : Correct my wrong previous commit.
5042 2006-06-19 Roger Sayle <roger@eyesopen.com>
5045 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5046 have stripped a SUBREG from the shift count, so we may need to
5047 convert_to_mode back to the type's mode before calling make_tree.
5048 Use new_amount instead of amount to avoid expanding a tree twice.
5050 2006-06-19 Richard Guenther <rguenther@suse.de>
5053 * fold-const.c (operand_equal_p): Check if the argument types
5054 have the same precision before stripping NOPs.
5056 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5058 Fix PR tree-optimization/27341
5059 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5061 * tree-complex.c (pass_lower_complex): Update SMT usage.
5063 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5065 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5066 Add a new alternative to the constraint strings. Add move of
5067 operand 1 to 3 to the splitter definition.
5068 ("doloop_si_long"): Second contraint alternative removed.
5070 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5072 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5073 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5075 (AVR_HAVE_MOVW) Define.
5076 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5077 (ASM_SPEC): Add avr25.
5078 (LINK_SPEC): Add avr25.
5079 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5080 (base_arch_s): Add new member 'have_movw_lpmx'.
5081 (avr_arch_types): Init 'have_movw_lpmx'.
5082 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5083 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5084 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5085 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5086 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5088 (avr_file_start): Do not output '.arh' derective.
5089 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5090 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5091 * config/avr/avr.md (mcu_enhanced): Delete.
5092 (mcu_have_movw): Define.
5093 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5094 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5095 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5096 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5097 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5098 attiny861 and at86rf401 devices.
5100 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5102 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5105 2006-06-17 Karl Berry <karl@gnu.org>
5107 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5108 doc/gccint.texi, doc/install.texi (@dircategory): Use
5109 "Software development" instead of "Programming", following
5110 the Free Software Directory.
5112 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5114 * config/i386/i386.c (legitimate_tls_address)
5115 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5116 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5117 (*tls_dynamic_gnu2_combine_64): Likewise.
5119 2006-06-16 Richard Guenther <rguenther@suse.de>
5122 * fold-const.c (negate_expr_p): Do not introduce undefined
5123 overflow in negating INTEGER_CSTs.
5124 (fold_negate_expr): Rename from negate_expr. Revert last
5125 change for folding BIT_NOT_EXPR. Change semantics to
5126 return NULL_TREE for non-simplified negations. Do not
5127 strip type conversions and unify type handling.
5128 (negate_expr): New function, wrap around fold_negate_expr
5129 but ensure building a tree always. Strip type conversions
5130 here, fold to result type.
5131 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5133 2006-06-16 Roger Sayle <roger@eyesopen.com>
5136 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5137 that (would) return their results in stack registers.
5139 2006-06-16 Michael Matz <matz@suse.de>
5140 Richard Guenther <rguenther@suse.de>
5142 * fold-const.c (fold_truthop): Only return new tree node if
5143 we canonicalized something.
5145 2006-06-16 Richard Guenther <rguenther@suse.de>
5147 * function.h (enum function_frequency): Move declaration
5148 out of struct function.
5149 (struct function): Move bool fields and the enum to the bitfield
5150 section. Reorder elements to avoid padding. Remove unused
5151 fields left over from the RTL inliner removal.
5152 * function.c (free_after_compilation): Do not zero removed fields.
5153 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5154 (ipa-type-escape.o): Likewise.
5156 2006-06-16 Richard Guenther <rguenther@suse.de>
5158 * cgraph.h (struct cgraph_local_info): Turn bool elements
5160 (struct cgraph_node): Likewise.
5161 (struct cgraph_varpool_node): Likewise.
5163 2006-06-15 Richard Guenther <rguenther@suse.de>
5165 * fold-const.c (fold_truth_not_expr): Rename from
5166 invert_truthvalue. Give it fold_* semantics to avoid
5168 (invert_truthvalue): New function. Wrapper around
5169 fold_truth_not_expr.
5170 (optimize_minmax_comparison): Avoid creating garbage.
5171 (fold_unary): Use fold_truth_not_expr for folding
5173 (fold_ternary): Replace uses of invert_truthvalue with
5174 fold_truth_not_expr where applicable.
5175 * tree.h (fold_truth_not_expr): Prototype.
5177 2006-06-16 Richard Guenther <rguenther@suse.de>
5179 PR tree-optimization/27781
5180 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5181 * ipa-pure-const.c (target.h): Include.
5182 (analyze_function): Do not analyze functions that do not
5185 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5188 * tree-dfa.c (referenced_vars_dup_list): Remove.
5189 (find_referenced_vars): Remove assert.
5190 (referenced_var_check_and_insert): Replace dup list with assert.
5191 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5192 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5194 2006-06-15 Richard Guenther <rguenther@suse.de>
5196 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5197 extra unused identifiers if not dumping.
5198 (create_variable_info_for): Likewise.
5200 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5202 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5203 (derive_constant_upper_bound): Derive more precise upper bound in
5204 common cases. Return type changed to double_int.
5205 (record_estimate): Reflect the changed return type of
5206 derive_constant_upper_bound.
5207 * double-int.c (double_int_zext, double_int_sext): Fix.
5209 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5211 * configure.ac (CFLAGS): Get them from the toplevel or from the
5212 configure invocation.
5213 * configure: Regenerate.
5214 * Makefile.in (CFLAGS): Substitute value provided by configure.
5216 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5219 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5220 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5221 rather than calling add_stmt on it.
5222 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5224 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5227 * reload1.c (reload): Remove registers returned by update_eliminables
5228 from used_spill_regs.
5230 2006-06-13 DJ Delorie <dj@redhat.com>
5232 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5234 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5236 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5237 html__strip_dir, html__mkdir_p. Enhance install-html target.
5238 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5239 * configure: Regenerate.
5241 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5243 * fold-const.c (fold_cond_expr_with_comparison): Check for
5244 Objective-C++ as language in deciding COND_EXPR transformation.
5246 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5249 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5250 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5251 * config/sh/lib1funcs.h (SL, SL1): Define.
5252 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5253 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5254 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5255 (OBJS_Os_4_200): New variable.
5256 ($(T)libgcc-Os-4-200.a): Use it.
5257 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5258 when dividing 1 and/or by 0.
5260 2006-06-13 Roger Sayle <roger@eyesopen.com>
5262 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5263 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5264 * configure: Regenerate.
5266 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5268 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5269 for real instruction.
5271 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5274 * haifa-sched.c (check_cfg): Handle special case.
5276 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5279 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5280 Add debug_info parameter. Chain the vars to the BLOCK instead
5281 of the BIND_EXPR if debug info are requested for them.
5282 (pop_gimplify_context): Adjust for above change.
5283 (gimple_add_tmp_var): Likewise.
5284 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5286 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5287 (convert_local_reference): Likewise.
5288 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5289 (finalize_nesting_tree_1): Request that debug info be emitted
5290 for debug_var_chain.
5292 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5294 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5295 for PR target/27863.
5297 2006-06-13 Richard Guenther <rguenther@suse.de>
5300 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5302 2006-06-13 Richard Guenther <rguenther@suse.de>
5304 PR tree-optimization/27830
5305 * tree-inline.c (copy_body_r): For copying the operand
5306 of an ADDR_EXPR make sure to fold &* afterwards.
5308 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5310 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5311 lvalues in the fb_none case with side-effects.
5313 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5315 * tree-flow.h: Remove the prototype for
5316 compute_phi_arg_on_exit.
5317 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5318 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5321 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5323 * builtins.c (expand_builtin_return_addr): Only use
5324 frame_pointer_rtx when count == 0 and we are expanding
5325 __builtin_return_address.
5327 2006-06-12 Fred Fish <fnf@specifix.com>
5329 * config/mips/mips.c (mips_file_start): Create special section
5330 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5332 2006-06-11 Eric Christopher <echristo@apple.com>
5335 * stor-layout.c (place_field): Remove check for
5336 remaining_in_alignment when aligning at the end of a run.
5338 2006-06-11 Eric Christopher <echristo@apple.com>
5341 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5344 2006-06-11 Roger Sayle <roger@eyesopen.com>
5347 Revert incorrect fix for PR target/27158
5348 2006-05-08 Roger Sayle <roger@eyesopen.com>
5349 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5350 of a reg_equiv_constant if the result is a legitimate constant.
5352 2006-06-11 Roger Sayle <roger@eyesopen.com>
5355 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5356 extract a CONST_VECTOR element and interpret it as an integer.
5357 (vspltis_constant): Use const_vector_elt_as_int instead of the
5358 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5359 * config/rs6000/predicates.md (easy_vector_const): Consider
5360 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5362 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5365 * stor-layout.c (update_alignment_for_field): Don't add extra
5366 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5369 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5371 * config/mips/t-rtems: Add EL/EB multilib variants.
5373 2006-06-09 Mike Stump <mrs@apple.com>
5375 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5377 2006-06-09 David Daney <ddaney@avtrex.com>
5379 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5381 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5383 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5385 2006-06-09 Richard Guenther <rguenther@suse.de>
5387 PR tree-optimization/26998
5388 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5389 of signed types, only TYPE_MIN_VALUE is special, but for both,
5390 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5391 in this case, as is -fwrapv.
5393 2006-06-08 Mike Stump <mrs@apple.com>
5396 * config/darwin.c (darwin_asm_output_anchor): Disable
5397 -fsection-anchors on darwin for now.
5398 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5399 * rs6000/rs6000.c (optimization_options): Likewise.
5401 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5404 * config/i386/i386.c (classify_argument): Skip fields with invalid
5407 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5409 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5410 (cse_insn): Likewise for the stack_pointer_rtx.
5412 2006-06-08 Roger Sayle <roger@eyesopen.com>
5414 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5415 conditions from floating point comparisons.
5417 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5420 * expmed.c (struct alg_hash_entry): Fix type of field T
5421 to match synth_mult argument.
5422 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5424 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5427 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5430 2006-06-08 Richard Guenther <rguenther@suse.de>
5433 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5434 only, if overflow is defined and not trapping.
5435 (negate_expr): Likewise.
5437 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5439 PR tree-optimization/27872
5440 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5441 flag on the new exit edge of the unrolled loop.
5443 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5445 PR rtl-optimization/26449
5446 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5448 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5451 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5452 referenced_variables with matching DECL_UID's.
5453 (find_referenced_vars): Make sure duplicate list is empty to start.
5454 (referenced_var_p): Remove.
5455 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5456 Check if var is in the list, and add if needed. Update the duplicate
5457 list if a different var is in the list with the same DECL_UID.
5458 (add_referenced_var): Call routine to check and insert.
5459 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5460 * tree-flow.h (referenced_vars_dup_list): External declaration.
5462 2006-06-07 Fred Fish <fnf@specifix.com>
5464 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5467 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5470 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5471 the imaginary and real parts of a clobbered register.
5472 Emit insn to set the imaginary part.
5474 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5476 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5477 in lieu of unwind-dw2-fde.c.
5479 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5481 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5483 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5486 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5487 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5488 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5489 V4SImode temporaries and operations instead.
5491 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5493 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5496 2006-06-06 Mike Stump <mrs@apple.com>
5498 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5499 installing during build.
5501 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5503 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5505 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5506 * config/ia64/ia64.c (params.h): New header.
5507 (ia64_optimization_options): New function to adjust parameters.
5508 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5509 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5510 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5512 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5514 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5516 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5519 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5521 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5522 Victor Kaplansky <victork@il.ibm.com>
5524 PR tree-optimization/26360
5525 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5528 2006-06-04 Roger Sayle <roger@eyesopen.com>
5529 Andrew Pinski <pinskia@physics.uc.edu>
5532 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5533 for LABEL_DECL before calling DECL_WEAK.
5536 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5537 LABEL_DECL and PARM_DECL.
5539 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5543 * c-decl.c (grokdeclarator): Disallow variably modified types at
5544 file scope. Avoid marking shared array type of constant size as
5547 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5550 * c-common.c (fold_offsetof_1): Handle static members.
5552 2006-06-04 Eric Christopher <echristo@apple.com>
5554 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5555 (debug_rli): Output value for remaining_in_alignment.
5556 (update_alignment_for_field): Unconditionalize
5557 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5558 extra alignment code.
5559 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5560 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5561 * tree.h (record_layout_info_s): Remove prev_packed.
5562 * doc/extend.texi (ms_struct): Add documentation of format.
5564 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5566 * tree.h: Declare folding_initializer.
5567 * builtins.c (fold_builtin_constant_p): Give definite answer
5568 if folding inside an initializer.
5569 * fold-const.c: Define folding_initializer.
5570 (START_FOLD_INIT): Save and then set folding_initializer.
5571 (END_FOLD_INIT): Restore folding_initializer.
5573 2006-06-04 Richard Guenther <rguenther@suse.de>
5575 PR tree-optimization/27039
5576 * fold-const.c (fold_comparison): Handle pointer comparison
5577 again for all comparison codes. Compare offsets in signed
5579 (fold_binary): Move code from here.
5581 2006-06-03 Roger Sayle <roger@eyesopen.com>
5584 * config/i386/i386.c (construct_container): Split static issued_error
5585 flag into issued_sse_arg_error, issued_sse_ret_error and
5586 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5587 requires the use of x87 registers and the user explicitly
5588 specified the -mno-80387 command line option.
5590 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5592 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5593 HAVE_DECL_SIGALTSTACK.
5595 (segv_handler): Use MC_FLD.
5596 * configure.ac: Check for a sigaltstack declaration.
5597 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5598 * configure: Regenerate.
5599 * config.in: Regenerate.
5601 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5604 * Makefile.in (stmp-fixinc): Fix typo.
5606 2006-06-02 Roger Sayle <roger@eyesopen.com>
5608 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5609 are type correct. Clean-up.
5610 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5611 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5613 2006-06-01 DJ Delorie <dj@redhat.com>
5615 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5616 shift, as we've disabled the "switch" insn that needs it.
5618 2006-06-01 Per Bothner <bothner@bothner.com>
5620 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5621 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5622 * c-ppoutput.c (cb_define): Don't increment line 0.
5624 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5626 * doc/invoke.texi: Add cpu_type power6.
5627 * config.gcc: Add cpu_type power6.
5628 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5629 to power5+ with Altivec.
5630 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5631 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5633 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5635 * config/avr/avr.h (SET_ASM_OP): Define.
5637 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5639 * config/bfin/bfin.c: Fix comment typos.
5641 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5644 * doc/install.texi: Document --enable-bootstrap and
5645 --disable-bootstrap.
5647 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5649 * doc/install.texi: Document that InfoZIP can replace jar.
5651 2006-05-31 Roger Sayle <roger@eyesopen.com>
5653 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5654 isn't available, directly generate the simpler x87 patterns without
5655 the (use (const_int 0)).
5656 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5657 implementation isn't available.
5658 (*negdf2_1): Likewise.
5659 (*negxf2_1): XF mode negation is always done using the x87.
5660 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5662 2006-05-31 Roger Sayle <roger@eyesopen.com>
5664 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5665 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5667 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5669 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5671 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5672 * config/bfin/bfin.c (basic-block.h): Include.
5673 (struct machine_function): New.
5674 (bfin_init_machine_status): New.
5675 (override_options): Initialize init_machine_status.
5676 (bfin_hardware_loop): New.
5677 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5678 (DEF_VEC_P (loop_info)): New.
5679 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5680 (struct loop_info): New.
5681 (loop_info): New typedef.
5682 (struct loop_work): New.
5683 (loop_work): New typedef.
5684 (DEF_VEC_O (loop_work)): New.
5685 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5686 (bfin_dump_loops): New.
5687 (bfin_bb_in_loop): New.
5688 (bfin_scan_loop): New.
5689 (bfin_optimize_loop): New.
5690 (bfin_reorg_loops): New.
5691 (bfin_reorg): Use bfin_reorg_loops.
5692 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5694 (I_REGNO_P): Simplify.
5695 (DP_REGNO_P, DPREG_P): New macros.
5696 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5697 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5698 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5699 Add LT_REGS, LC_REGS, LB_REGS.
5700 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5702 (REGNO_REG_CLASS): Deal with loop registers.
5703 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5705 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5706 New constants for loop registers.
5707 (UNSPEC_LSETUP_END): New.
5708 (seq_insns): New define_attr. Set it for appropriate insns.
5709 (movsi_insn): Add alternatives for move from/to
5710 loop count registers.
5711 (doloop_end): New define_expand.
5712 (loop_end): New define_insn.
5713 (define_split for bad doloop_end): New.
5714 (lsetup_with_autoinit): New define_insn.
5715 (lsetup_without_autoinit): New define_insn.
5716 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5717 * config/bfin/predicates.md (lc_register_operand): New.
5718 (lt_register_operand): New.
5719 (lb_register_operand): New.
5720 (nondp_register_operand): New.
5721 (nondp_reg_or_memory_operand): New.
5722 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5724 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5726 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5727 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5729 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5731 * Makefile.in (CATALOGS): Add po/ prefix.
5732 * configure: Regenerated.
5734 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5737 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5738 a shift operand before calling shift_op. Avoid redundant call of
5741 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5742 DJ Delorie <dj@redhat.com>
5744 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5745 we're inserting is a singlt-bit constant.
5747 2006-05-30 Roger Sayle <roger@eyesopen.com>
5749 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5750 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5752 2006-05-30 Roger Sayle <roger@eyesopen.com>
5754 PR tree-optimization/23452
5755 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5756 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5757 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5758 complex values and with -ffast-math for FP complex values.
5760 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5762 * c-common.h: Remove the prototype for yyparse.
5763 * rtl.h: Remove the prototype for init_loop.
5765 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5767 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5770 2006-05-30 Roger Sayle <roger@eyesopen.com>
5772 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5774 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5775 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5777 2006-05-30 Dirk Mueller <dmueller@suse.de>
5780 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5781 for CONSTANT_CLASS_P expresisons.
5783 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5786 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5788 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5790 PR tree-optimization/27779
5791 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5792 initial_condition instead of CHREC_LEFT.
5794 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5796 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5797 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5798 Make prototypes ISO C90.
5800 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5801 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5803 * see.c (see_analyze_one_def): Correct check.
5804 (see_get_extension_data): Check if extension is parallel.
5805 (see_get_extension_reg): Likewise.
5807 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5810 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5811 into register for (code == GTU).
5813 2006-05-29 Roger Sayle <roger@eyesopen.com>
5815 PR tree-optimization/24964
5816 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5817 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5818 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5819 abs(x)*abs(x) as x*x for scalar floating point modes.
5821 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5824 * lambda-code.c (perfect_nestify): Don't copy statements
5825 in the inner loop: move them to the inner loop header.
5827 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5830 * c-tree.texi: Document OpenMP directives and clauses.
5832 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5834 * varasm.c (globalize_decl): Fix indentation.
5836 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5839 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5840 pass_fre, pass_store_ccp, pass_copy_prop,
5841 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5842 pass_return_slot, pass_object_size, pass_lim,
5843 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5844 pass_loop_prefetch and pass_stdarg.
5846 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5848 * config/bfin/bfin.opt (mfdpic): New option.
5849 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5850 (EXTRA_MULTILIB_PARTS): Likewise.
5851 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5852 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5854 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5855 (CRT_CALL_STATIC_FUNCTION): New.
5856 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5858 (CRT_CALL_STATIC_FUNCTION): New.
5859 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5861 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5862 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5863 (initialize_trampoline): Changed to handle FD-PIC code generation.
5864 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5865 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5866 (override_options): Disallow -mid-shared-library -mfdpic combination.
5867 Can't do unaligned ops if FD-PIC.
5868 Turn off flag_pic if trying to generate non-id-shared-library
5869 non-fdpic code, since it's not supported.
5870 (bfin_assemble_integer): New function.
5871 (TARGET_ASM_INTEGER): Define.
5872 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5874 * config/bfin/crtn.s: Restore them.
5875 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5877 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5878 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5879 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5880 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5881 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5883 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5884 FDPIC_REGS and FDPIC_FPTR_REGS.
5885 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5886 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5887 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5888 (load_funcdescsi): New pattern.
5889 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5890 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5891 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5893 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5895 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5898 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5900 * tree-flow.h: Remove the prototype for add_type_alias.
5901 * tree-ssa-alias.c (add_type_alias): Remove.
5903 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5905 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5906 config/fr30/fr30.md, config/i386/i386-interix.h,
5907 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5908 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5909 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5910 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5911 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5912 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5913 Follow spelling conventions.
5914 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5915 Follow spelling conventions.
5917 2006-05-27 Richard Guenther <rguenther@suse.de>
5920 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5921 to produce a constant of value 1 of generic type.
5923 2006-05-27 Dirk Mueller <dmueller@suse.de>
5925 * cgraphunit.c (decide_is_function_needed): Fix wrong
5928 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5930 PR rtl-optimization/27661
5931 * reload.c (find_reloads): When reloading a VOIDmode constant
5932 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5933 use Pmode as mode of the reload register.
5935 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5937 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5938 is enabled at -O and above.
5940 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5943 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5946 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5949 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5950 for anonymous variables explicitly declared by front ends.
5952 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5954 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5955 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5956 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5957 ref-all pointers, run a finalization pass for them.
5958 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5959 (finalize_ref_all_pointers): New function.
5960 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5961 regular pointer type to a ref-all pointer type.
5962 (get_tmt_for): Return the special memory tag for ref-all pointers.
5964 2006-05-25 Richard Guenther <rguenther@suse.de>
5967 * fold-const.c (fold_binary): Do not look at the stripped
5968 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5970 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5972 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5973 for LT and GT if the computed range is effectively empty.
5975 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5978 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5979 mips_quad_format formats instead of ieee_single_format,
5980 ieee_double_format and ieee_quad_format formats, respectively.
5982 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5984 PR tree-optimization/27639
5985 PR tree-optimization/26719
5986 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5987 call to scev_probably_wraps_p.
5988 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5989 used_in_pointer_arithmetic_p, convert_step): Removed.
5990 (nowrap_type_p): New function.
5991 (scev_probably_wraps_p): Rewritten.
5992 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5993 chrec_convert if chrec_convert_aggressive might have been used.
5994 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5995 scev_direction): New functions.
5996 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5997 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5998 instead of convert_step.
5999 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6000 (convert_step): Declaration removed.
6001 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6003 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6005 * df-core.c: Added to header comments.
6006 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6007 df_ur_bb_info, df_urec_bb_info): Added comments.
6008 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6009 urec, ri problems): Fixed header comments.
6010 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6011 code from df_rd_transfer_function.
6013 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6015 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6016 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6017 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6019 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6021 * expr.c (undefined_operand_subword_p): New.
6022 (emit_move_multi_word): Do not generate move from undefined bits
6023 of a paradoxical subreg.
6025 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6027 PR rtl-optimization/27736
6028 * combine.c (replaced_rhs_value): New variable.
6029 (combine_instructions): Set it.
6030 (distribute_notes): When distributing a note in replaced_rhs_insn,
6031 check whether the value was used in replaced_rhs_value.
6033 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6036 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6037 add_referenced_var instead of add_referenced_tmp_var.
6038 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6039 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6041 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6042 tree_optimize_tail_calls_1): Use add_referenced_var.
6043 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6044 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6045 Use add_referenced_var.
6046 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6047 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6048 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6049 Use add_referenced_var.
6050 * tree-dfa.c (struct walk_state): Remove.
6051 (find_referenced_vars): Remove walk state and vars_found hash table.
6052 (make_rename_temp): Use add_referenced_var.
6053 (find_vars_r): Pass less parameters to add_referenced_var.
6054 (referenced_var_p): New. Is var in referenced_var hash table.
6055 (referenced_var_insert): Assert var isn't already in hash table.
6056 (add_referenced_var): Don't need walk_state parameter. Add var if it
6057 isn't already in the hash table.
6058 (add_referenced_tmp_var): Remove.
6059 (find_new_referenced_vars_1): Use add_referenced_var.
6060 * tree-ssa-pre.c (create_expression_by_pieces,
6061 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6062 Use add_referenced_var.
6063 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6064 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6065 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6067 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6068 vect_create_data_ref_ptr, vect_create_destination_var,
6069 vect_init_vector, vect_build_loop_niters,
6070 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6071 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6072 Use add_referenced_var.
6073 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6074 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6075 (add_referenced_var): Add prototype.
6076 * tree-ssa-structalias.c (get_constraint_for,
6077 intra_create_variable_infos): Use add_referenced_var.
6079 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6081 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6082 big-endian paradoxical subregs.
6083 * var-tracking.c (struct micro_operation_def): Document that,
6084 for modify micro operations, insn is the subsequent instruction.
6085 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6086 (var_reg_set, var_mem_set): ... new functions.
6087 (add_stores): Record subsequent insn.
6088 (compute_bb_dataflow): Use new functions for MO_USE.
6089 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6090 notes after the insn, and modify notes before the insn known
6091 to be the subsequent one.
6092 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6094 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6097 * config/i386/i386.c (ix86_expand_builtin): Use
6098 gen_sse3_monitor64 for TARGET_64BIT.
6100 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6102 PR rtl-optimization/26375
6103 PR rtl-optimization/26855
6104 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6106 (df_ru_bb_local_compute): Reversed statements and removed bogus
6107 comment explaining why they should be in wrong order.
6108 (df_ru_dump, df_rd_dump): Enhanced debug info.
6109 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6111 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6112 reaching uses and fixed space problem.
6114 2006-05-23 Jan Hubicka <jh@suse.cz>
6116 * cgraphunit.c (decide_is_function_needed): Also nested functions
6117 and functions declared inline can be optimized out at -O0.
6119 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6121 * doc/install.texi (Configuration): Remove reference to CrossGCC
6125 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6128 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6129 ix86_compare_emitted is non-NULL.
6131 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6134 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6137 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6139 PR rtl-optimization/25514
6140 * combine.c (replaced_rhs_insn): New variable.
6141 (combine_instructions): Set replaced_rhs_insn when trying to replace
6142 a SET_SRC with a REG_EQUAL note.
6143 (distribute_notes): Use replaced_rhs_insn when determining the live
6144 range of a REG_DEAD register.
6146 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6147 Anatoly Sokolov <aesok@post.ru>
6149 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6150 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6151 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6152 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6153 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6154 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6155 at90usb647, at90usb1286 and at90usb1287 devices.
6156 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6157 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6159 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6161 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6163 2006-05-22 Richard Guenther <rguenther@suse.de>
6166 2006-01-31 Richard Guenther <rguenther@suse.de>
6167 Paolo Bonzini <bonzini@gnu.org>
6169 * doc/install.texi (--disable-libgcc-math): Document.
6171 2006-05-22 Richard Guenther <rguenther@suse.de>
6174 2006-01-31 Richard Guenther <rguenther@suse.de>
6176 * doc/invoke.texi (-msselibm): Document.
6177 * target.h (expand_library_builtin): New target hook.
6178 * builtins.c (expand_builtin): Use expand_library_builtin.
6179 (default_expand_library_builtin): New function.
6180 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6181 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6182 (link_gcc_math_spec): Declare.
6183 (static_specs): Add link_gcc_math_spec.
6184 * expr.h (default_expand_library_builtin): Declare.
6185 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6186 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6187 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6188 * config/i386/i386.opt (msselibm): New target option.
6189 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6190 (ix86_init_sse_abi_builtins): New function.
6191 (ix86_expand_library_builtin): Likewise.
6192 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6193 (override_options): Handle error conditions wrt -msselibm.
6194 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6195 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6196 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6199 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6202 * c-common.c (self_promoting_args_p): Skip erroneous args.
6205 * c-decl.c (finish_struct): Skip erroneous fields.
6207 2006-05-22 Nick Clifton <nickc@redhat.com>
6209 * config/cris/cris.opt (march): Remove VarExists attribute.
6210 (max-stackframe=): Likewise.
6212 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6214 * doc/rtl.texi: Fix a typo.
6215 * see.c: Fix comment typos.
6217 * tree-ssa-structalias.h (alias_info): Remove num_references.
6219 2006-05-21 Mike Stump <mrs@apple.com>
6221 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6223 (darwin_pragma_options): Use BAD instead.
6224 (darwin_pragma_unused): Likewise.
6225 (darwin_pragma_ms_struct): Likewise.
6227 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6229 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6231 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6233 PR rtl-optimization/27671
6234 * simplify-rtx.c (simplify_relational_operation_1): Fix
6235 simplifications of (eq/ne (xor x y) y) and
6236 (eq/ne (xor x y) x).
6238 PR tree-optimization/26622.
6239 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6242 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6244 * tree-cfg.c: Prune whitespace.
6245 (debug_tree_cfg): Point to correct header containing the
6248 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6251 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6253 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6256 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6257 or sorry count is non zero.
6259 2006-05-20 Andreas Schwab <schwab@suse.de>
6261 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6263 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6264 Kenneth Zadeck <zadeck@naturalbridge.com>
6266 PR rtl-optimization/26855
6268 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6270 (df_scan_alloc): Added code to properly handle multiword hard
6271 registers and add all_blocks parameter.
6272 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6273 code to properly handle multiword hard registers.
6274 (df_rescan_blocks): Added code to remove deleted blocks from
6276 (df_ref_create_structure, df_ref_record): Added code to properly
6278 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6279 and set DF_REF_PARTIAL.
6280 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6281 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6282 (df_scan_add_problem): Added flags parameter.
6283 (df_ref_create_structure): Changed switching structure.
6284 (df_bb_refs_record): Fixed case where duplicate artificial refs
6285 were created. Changed location of flags.
6286 (df_record_entry_block_defs): Added code to make stack pointer
6287 live in entry block. Refined cases where frame pointer is needed.
6288 Changed location of flags.
6289 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6290 (df_set_state): Removed function.
6291 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6292 df_insn_create_insn_record, df_insn_refs_delete,
6293 df_ref_create_structure): Formatting changes.
6294 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6295 df_delete_basic_block): New function.
6296 (df_init): Changed location of flags.
6297 (df_add_problem): Added flags parameter and the way flags are
6299 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6300 debug_df_chain): Improved debugging output.
6301 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6302 (df_refs_chain_dump): Removed df parameter.
6303 (df_iterative_dataflow): Added consistency check.
6304 (df_prune_to_subcfg): Made public.
6305 (df_analyze_problem): Added blocks_to_init parameter and made
6307 (df_ref_record, df_bb_refs_record, df_mark_reg,
6308 df_record_exit_block_uses): Whitespace changes.
6309 (df_dump): Whitespace changes.
6310 * df.h: Some reordering to remove forward references.
6311 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6312 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6313 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6314 (dataflow.flags): New field.
6315 (df.flag): Deleted field.
6316 (df_alloc_function): Added additional bitmap parameter.
6317 (df_dependent_problem_function): New type.
6318 (df_problem.changeable_flags): New field.
6319 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6320 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6321 (df_mw_hardreg): New struct.
6322 (DF_INSN_UID_MWS): New macro.
6323 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6325 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6326 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6327 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6328 (df_set_state): Removed function.
6329 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6330 * df-problems.c (df_chain_dump): Removed df parameter.
6331 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6332 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6334 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6335 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6336 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6337 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6338 DF_REF_MUST_CLOBBER cases.
6339 (df_ru_bb_local_compute_process_def,
6340 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6341 df_lr_bb_local_compute, df_ur_bb_local_compute,
6342 df_chain_create_bb): Made subreg aware.
6343 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6344 df_lr_bb_local_compute, df_lr_bb_local_compute,
6345 df_chain_create_bb): Cleanup to use proper macros.
6346 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6347 code to fixup bitvectors.
6348 (df_ri_alloc): Cleared lifetime.
6349 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6350 df_create_unused_note): New function.
6351 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6352 REG_DEAD and REG_UNUSED notes as well as register information.
6353 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6354 df_chains_dump): Fixed crash if problem was never run.
6355 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6356 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6357 df_ri_add_problem): Processes flags in uniform manner.
6358 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6359 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6360 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6361 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6362 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6363 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6364 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6365 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6366 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6367 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6368 * see.c (see_initialize_data): Ditto.
6369 * final.c (rest_of_clean_state) Added regstack_completed.
6370 * rtl.h (regstack_completed): Ditto.
6371 * reg-stack.c (regstack_completed): Ditto.
6373 2006-05-19 Mike Stump <mrs@apple.com>
6375 * c-tree.h (default_conversion): Remove.
6376 * c-common.h (default_conversion): Add.
6378 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6380 * tree-vrp.c (valid_value_p): New function.
6381 (adjust_range_with_scev): Fail if the value of bound is not
6384 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6386 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6387 (mips_fallback_frame_state): Use syscall numbers to determine
6388 the appropriate li instruction for the current ABI. Only use
6389 __NR_sigreturn for o32.
6391 2006-05-19 Nicolas Setton <setton@adacore.com>
6393 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6394 * langhooks.c (lhd_dwarf_name): New function.
6395 * langhooks-def.h (lhd_dwarf_name): Declare.
6396 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6397 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6398 * ada/misc.c (gnat_dwarf_name): New function.
6399 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6401 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6403 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6405 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6406 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6407 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6408 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6409 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6410 determine the size of Wtype, etc.
6411 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6412 (swfloatfuncs): New variable.
6413 (dwfloatfuncs): Likewise.
6414 (lib2funcs): Remove floating-point conversion functions from
6415 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6416 the set of conversion routines needed. Allow entries to specify
6417 an object name, filename and word size. Update users accordingly.
6418 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6419 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6423 2006-02-08 Roger Sayle <roger@eyesopen.com>
6426 * config/fixtfdi.c: New libgcc source file.
6427 * config/fixunstfdi.c: New source file.
6428 * config/floatditf.c: New source file.
6429 * config/floatunditf.c: New souce file.
6430 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6431 files above instead of config/mips/_tilib.c.
6432 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6434 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6436 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6437 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6439 2006-05-18 Mike Stump <mrs@apple.com>
6441 Fix up vla, vm and [*] sematics.
6447 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6448 (c_vla_unspec_p): Add.
6449 (c_vla_type_p): Add.
6450 * c-decl.c (struct c_scope): Add had_vla_unspec.
6451 (build_array_declarator): Add support for [*].
6452 (grokdeclarator): Likewise.
6453 (grokparms): Likewise.
6454 (get_parm_info): Likewise.
6455 * c-objc-common.c (c_vla_unspec_p): Likewise.
6456 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6457 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6458 typeof when argument is a variably modified type not inside sizeof or alignof.
6459 (c_parser_direct_declarator_inner): Propagate errors.
6460 (c_parser_sizeof_expression): Add support for [*].
6461 (c_parser_parms_declarator): Initialize had_vla_unspec.
6462 (c_parser_parms_list_declarator): Likewise.
6463 * c-typeck.c (c_vla_type_p): Add.
6464 (composite_type): Add support for vla compositing.
6465 (comptypes_internal): Add support for vla compatibility.
6466 (c_expr_sizeof_expr): Evaluate vla arguments.
6467 * tree.c (variably_modified_type_p): Update comment for [*].
6469 2006-05-18 Michael Matz <matz@suse.de>
6472 * config.host: Make assignments to host_xmake_file cumulative.
6473 * config.host (*-darwin*): Test $host, not $target.
6475 2006-05-12 Stuart Hastings <stuart@apple.com>
6477 * config/i386/i386.opt (-mstackrealign): New flag.
6478 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6479 (ix86_handle_cconv_attribute): Emit error when
6480 force_align_arg_pointer attribute collides with too many regparms.
6481 (ix86_function_regparm): Limit regparms when used with
6482 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6483 Support stack-realigning prologue in non-main functions. Emit
6484 warning for nested functions under -mstackrealign, emit error for
6485 nested functions with force_align_arg_pointer attribute.
6486 * doc/extend.texi (force_align_arg_pointer): Document it.
6487 * doc/invoke.texi (-mstackrealign): Document it.
6489 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6491 PR rtl-optimization/27477
6492 * combine.c (try_combine): Don't split a parallel consisting
6493 of two sets into two individual sets if both sets reference
6496 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6498 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6499 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6501 * doc/options.texi (VarExists): Updated.
6503 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6505 * unwind-dw2.c: Add declarations for uw_update_context and
6507 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6508 detected, advance frame state and context once to skip over stub.
6510 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6514 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6515 Call rewrite_into_loop_closed_ssa only when something changed.
6516 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6517 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6518 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6519 Test for perfect_nest_p here. Fix formating.
6520 (replace_uses_equiv_to_x_with_y): Fix formating.
6521 (stmt_uses_op): Removed.
6522 (can_convert_to_perfect_nest): Removed loopivs parameter.
6523 Complete the test by checking the scalar dependences.
6524 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6527 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6530 From Dan Kegel <dank@kegel.com>:
6531 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6533 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6535 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6536 if the element type is variably modified without recursing.
6538 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6541 * tree-loop-linear.c (try_interchange_loops): Test for
6542 no data dependences.
6544 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6546 PR tree-optimization/27548
6547 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6548 range of ssa names that appear on abnormal edges.
6549 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6550 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6552 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6555 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6557 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6560 * tree.h (OMP_PARALLEL_COMBINED): Define.
6561 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6562 (new_omp_context): Add is_combined_parallel argument.
6563 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6564 new_omp_context caller.
6565 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6566 Adjust gimplify_scan_omp_clauses callers.
6567 (omp_is_private): Issue errors if iteration variable is firstprivate
6568 or reduction in the current context.
6569 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6570 on combined parallel workshare constructs.
6572 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6574 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6575 (gcc-options.o): New rule.
6577 * optc-gen.awk: Protect variables for gcc-options.o with
6578 #ifdef GCC_DRIVER/#endif.
6580 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6582 Fix PR tree-optimization/27373
6583 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6584 (forward_propagate_addr_expr): Update call.
6586 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6588 * doc/options.texi: Move the Negative option.
6590 2006-05-16 Richard Guenther <rguenther@suse.de>
6592 PR tree-optimization/22303
6593 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6595 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6596 ccp_fold did not simplify the statement.
6598 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6601 * Makefile.in (GCC_OBJS): New.
6602 (OBJS-common): Add opts-common.o.
6603 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6604 (cpp$(exeext)): Likewise.
6605 (gcc.o): Also depend on opts.h.
6606 (opts-common.o): New.
6608 * common.opt (gcoff): Add Negative(gdwarf-2).
6609 (gdwarf-2): Add Negative(gstabs).
6610 (gstabs): Add Negative(gstabs+).
6611 (gstabs+): Add Negative(gvms).
6612 (gvms): Add Negative(gxcoff).
6613 (gxcoff): Add Negative(gxcoff+).
6614 (gxcoff+): Add Negative(gcoff).
6615 * config/i386/i386.opt (m32): Add Negative(m64).
6616 (m64): Add Negative(m32).
6618 * doc/options.texi: Document the Negative option.
6620 * gcc.c: Include "opts.h".
6621 (main): Call prune_options after expandargv.
6623 * optc-gen.awk: Generate common declarations for all flag
6624 variables in options.c. Output the neg_index field.
6626 * opts.c (find_opt): Moved to ...
6627 * opts-common.c: Here. New file.
6629 * opts.h (cl_option): Add a neg_index field.
6631 (prune_options): Likewise.
6633 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6636 * omp-low.c (expand_omp_parallel): Don't assert
6637 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6638 instead search for it.
6641 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6644 2006-05-16 Andreas Schwab <schwab@suse.de>
6646 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6649 2006-05-15 Roger Sayle <roger@eyesopen.com>
6652 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6653 integer constants other than zero are only legitimate on TARGET_64BIT.
6654 <CONST_VECTOR> Only zero vectors are legitimate.
6655 (ix86_cannot_force_const_mem): Integral and vector constants can
6656 always be put in the constant pool.
6658 2006-05-16 DJ Delorie <dj@redhat.com>
6660 * crtstuff.c (__dso_handle): Set section from
6661 TARGET_LBIGCC_SDATA_SECTION if defined.
6662 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6663 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6665 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6668 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6671 2006-05-16 Ben Elliston <bje@au.ibm.com>
6673 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6675 2006-05-15 Per Bothner <per@bothner.com>
6677 * tree.c: (last_annotated_node): Use source_locus typedef.
6678 This permits bootstrapping with --enable-mapped-location.
6680 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6682 PR tree-optimization/26830
6683 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6684 (info_for_ssa_name, current_info_for_ssa_name_age,
6685 blocks_to_update): New variables.
6686 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6687 (clear_ssa_name_info, initialize_flags_in_bb,
6688 mark_block_for_update): New functions.
6689 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6690 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6691 prepare_def_site_for): Use mark_block_for_update.
6692 (mark_def_interesting): Assert that the processed block is marked in
6693 blocks_to_update. Do not take blocks argument.
6694 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6696 (rewrite_update_init_block, rewrite_update_stmt): Only process
6697 blocks with statements to rewrite.
6698 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6699 (update_ssa): Initialize and free blocks_to_update. Do not
6700 clear flags on statements. Do not use blocks bitmap.
6701 * tree.h (SSA_NAME_AUX): Removed.
6702 (struct tree_ssa_name): Removed aux field.
6703 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6705 2006-05-15 Richard Guenther <rguenther@suse.de>
6707 PR tree-optimization/27603
6708 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6709 Do computations in original type.
6711 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6713 * see.c: Code style changes such as redundant paranthesis,
6714 redundant intialization of local variables etc.
6715 (see_main): Declared now as static.
6716 * doc/invoke.texi: Update that -fsee is not enabled by
6719 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6721 * omp-low.c (check_omp_nesting_restrictions): New function.
6722 (scan_omp_1): Call it.
6725 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6726 construct, return *VAR.
6728 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6730 PR rtl-optimization/27406
6731 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6734 2006-05-14 Roger Sayle <roger@eyesopen.com>
6736 PR rtl-optimization/27538
6737 * combine.c (expand_compound_operation): Call gen_lowpart
6738 before calling simplify_shift_const.
6740 2006-05-14 Roger Sayle <roger@eyesopen.com>
6742 PR rtl-optimization/22563
6743 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6744 a fixed width bitfield, always force the intermediates into psuedos.
6746 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6749 * mkconfig.sh: Use operator = instead of == for test.
6751 2006-05-13 Nick Clifton <nickc@redhat.com>
6753 * dwarf2out.c (dbx_reg_number): Check return value from
6754 LEAF_REG_REMAP and only use it if it is valid.
6755 (multiple_reg_loc_descriptor): Likewise.
6757 2006-05-13 Richard Guenther <rguenther@suse.de>
6759 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6762 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6764 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6765 information attached to non-INSNs such as NOTEs.
6766 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6768 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6770 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6772 * config/s390/s390.md: Adjust comment describing On constraint.
6774 2006-05-11 Jan Hubicka <jh@suse.cz>
6776 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6777 to be output at -O0.
6779 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6782 * fold-const.c (size_binop): Move sanity check for arguments to
6783 the beginning of the function.
6786 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6789 2006-05-11 Richard Guenther <rguenther@suse.de>
6792 * fold-const.c (fold_unary): Handle intermediate conversion
6793 to a pointer type like intermediate conversion to an integer
6794 type in folding of (T1)(T2)var to var.
6795 Match the code to the comment in the final conversion for
6796 (T1)(T2)var to (T1)var regarding to type precision. Rather
6797 than disallow T1 being of pointer type, assert that both T1
6798 and var are of pointer type or not. Make sure not to fall
6799 over the frontends lazyness wrt array to pointer decay though.
6801 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6803 * arm.c (arm_struct_value_rtx): Delete.
6804 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6805 (arm_init_cumulative_args): Always initialize nregs to zero.
6807 2006-05-10 Richard Guenther <rguenther@suse.de>
6809 PR tree-optimization/27532
6810 * tree-object-size.c (plus_expr_object_size): Fix typo.
6812 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6815 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6816 ashrdi_const, ashrdi3): Use a scratch register.
6818 2006-05-10 Richard Guenther <rguenther@suse.de>
6820 PR tree-optimization/27302
6821 * fold-const.c (operand_equal_p): For two comparisons,
6822 try comparison of one comparison code swapped if that yields
6825 2006-05-10 Ben Elliston <bje@au.ibm.com>
6827 * tree-pretty-print.c (pretty_print_string): No need to handle
6828 '\0' as a special character.
6830 * tree.h: Include "hashtab.h".
6831 (iterative_hash_expr): Use hashval_t in its prototype.
6832 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6834 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6837 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6838 (hppa*64*-*-hpux11*): Ditto.
6839 (hppa[12]*-*-hpux11*): Ditto.
6841 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6844 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6846 2006-05-09 Michael Matz <matz@suse.de>
6848 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6849 host_extra_gcc_objs and host_xmake_file.
6850 (<*-*-linux*>): Don't overwrite host_xmake_file.
6851 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6852 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6853 (host_detect_local_cpu): Declare.
6854 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6855 * config/i386/i386.c (override_options): Handle -mtune=native
6857 * config/i386/x-i386: New file.
6858 * config/i386/driver-i386.c: New file.
6859 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6862 2006-05-09 Dirk Mueller <dmueller@suse.de>
6863 Richard Guenther <rguenther@suse.de>
6866 * fold-const.c (fold_read_from_constant_string): Relax check
6867 for matching types to matching modes.
6869 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6871 PR rtl-optimization/27335
6872 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6875 2006-05-08 Chao-ying Fu <fu@mips.com>
6876 Richard Sandiford <richard@codesourcery.com>
6878 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6879 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6880 * config/mips/mips.md (UNSPEC_SCC): New constant.
6881 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6882 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6883 (mips_emit_compare): Use it.
6884 (mips_expand_vcondv2sf): New function.
6886 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6888 Fix PR tree-optimization/27093
6889 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6890 renaming when they become not-used_alone.
6892 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6894 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6895 relocation and relocation stubs.
6897 2006-05-08 Eric Christopher <echristo@apple.com>
6899 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6902 2006-05-08 Jan Hubicka <jh@suse.cz>
6905 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6906 unused static functions are needed.
6908 2006-05-08 Roger Sayle <roger@eyesopen.com>
6911 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6912 of a reg_equiv_constant if the result is a legitimate constant.
6914 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6917 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6918 standard 80387 constants, raise the cost to prevent
6919 compress_float_constant() to generate load from memory.
6921 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6923 * config/arm/constraints.md (c): Fix a typo.
6925 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6928 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6931 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6933 (_mm_mwait): Likewise.
6935 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6937 (sse3_monitor): Make it 32bit only.
6938 (sse3_monitor64): New. 64bit monitor.
6940 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6943 * config/i386/i386.c (classify_argument): Skip fields with invalid
6946 2006-05-07 Richard Guenther <rguenther@suse.de>
6948 PR tree-optimization/27409
6949 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6950 Do not try to find zero-sized subvars.
6952 2006-05-07 Richard Guenther <rguenther@suse.de>
6954 PR tree-optimization/27136
6955 * tree-ssa-loop-niter.c (get_val_for): Correct function
6956 comment, assert requirements.
6957 (loop_niter_by_eval): Stop processing if the iterated
6958 value did not simplify.
6960 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6962 * opts.c (flag_see): remove its setting at -O3.
6964 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6966 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6967 * arm/constraints.md: New file.
6968 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6969 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6970 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6971 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6972 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6973 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6974 * arm.md: Include constraints.md.
6975 (thumb_movsi_insn): Use satisfies_constraint_J.
6976 (movhi, movqi): Use satisfies_constraint_I.
6978 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6980 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6981 for atmeg a645 device.
6983 2006-05-06 Richard Guenther <rguenther@suse.de>
6985 PR tree-optimization/27151
6986 * tree-vect-transform.c (vectorizable_condition): Punt on
6987 values that have a different type than the condition.
6989 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6992 * c-parser.c (c_parser_cast_expression): Only insert casts into
6993 hash table if pointer.
6994 * function.c (used_types_insert_helper): Rename from
6996 (used_types_insert): Call used_types_insert_helper.
6997 * function.h (used_types_insert): Accept only one argument.
6999 2006-05-05 David Edelsohn <edesohn@gnu.org>
7001 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7002 scratch with output modifier.
7004 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7007 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7008 with output modifier.
7010 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7013 * config/mips/mips.c (mips_symbolic_address_p): Return true
7014 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7015 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7017 2006-05-04 Richard Guenther <rguenther@suse.de>
7019 PR tree-optimization/14287
7020 PR tree-optimization/14844
7021 PR tree-optimization/19792
7022 PR tree-optimization/21608
7023 PR tree-optimization/27090
7024 * tree-ssa-pre.c (try_combine_conversion): New function.
7025 (compute_avail): After constructing the value-handle
7026 expression, use try_combine_conversion to combine NOP_EXPRs
7027 with previous value-handle expressions and use the result if it
7030 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7032 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7034 2006-05-04 Jan Hubicka <jh@suse.cz>
7037 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7039 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7041 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7042 that this only matches CONST_INTs. All users changed to VOIDmode
7045 * config/bfin/bfin.c: Include "optabs.h".
7046 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7048 (enum bfin_builtins): Add a number of fractional and vector builtins.
7049 (bfin_init_builtins): Likewise.
7050 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7051 (safe_vector_operand, bfin_expand_binop_builtin,
7052 bfin_expand_unop_builtin): New functions.
7053 (bfin_expand_builtin): Handle the new builtins.
7054 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7057 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7060 * Makefile.in (OBJS-common): Add see.o.
7061 (see.o): Add dependencies.
7062 * common.opt (fsee): New flag for the see optimization was added.
7063 * opts.c (flag_see): Initialized.
7064 * passes.c (init_optimization_passes, pass_see): New pass.
7065 * rtl.h (see_main): Declaration as extern.
7066 * timevar.def (TV_SEE): New.
7067 * tree-pass.h (pass_see): Declaration as extern.
7068 * invoke.texi (-fsee): Document.
7069 * recog.c (validate_simplify_insn): New function.
7070 * recog.h (validate_simplify_insn): Declaration as extern.
7071 * df-problems.c (df_chain_dump): Check for NULL.
7073 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7074 Daniel Berlin <dberlin@dberlin.org>
7076 * cfgrtl.c (insert_insn_bb_end_new): New function.
7077 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7079 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7081 * df.h (struct web_entry): Moved from web.c.
7082 (union_defs): Declaration as extern.
7083 (unionfind_root): Likewise.
7084 (unionfind_union): Likewise.
7085 * web.c (struct web_entry): Moved to df.h.
7086 (unionfind_root): Remove static declaration.
7087 (unionfind_union): Likewise.
7088 (union_defs): Likewise and generalize to use callback function.
7089 (web_main): Update arguments for union_defs function call.
7091 2006-05-04 Richard Guenther <rguenther@suse.de>
7093 PR tree-optimization/26447
7094 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7095 produce SSA_NAME copies before the store stmt to avoid
7096 breaking exception handling.
7098 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7101 * gimplify.c (omp_is_private): If var is shared in some outer context,
7102 return false instead of true. Stop searching on parallel context
7105 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7108 * coverage.c: Use get_gcov_unsigned_t() instead of
7109 unsigned_type_node all over.
7111 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7113 PR tree-optimization/27381
7114 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7115 maintain the same immediate_use links.
7116 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7117 node rather than segfaulting.
7119 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7122 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7123 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7124 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7126 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7128 Fix PR tree-optimization/26626
7129 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7131 * tree-ssa-operands.c (access_can_touch_variable): Allow
7132 typecasting through union pointers.
7134 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7137 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7138 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7139 to find if var will be a global variable even in the nested context.
7140 (omp_copy_decl): Only check for global variable at the end, it might
7141 be overridden in outer contexts.
7142 (scan_sharing_clauses): For global variables don't create a field.
7143 (lower_rec_input_clauses): Do nothing for global shared variables.
7144 Emit a barrier at the end of ILIST if there were any decls in both
7145 firstprivate and lastprivate clauses.
7146 (lower_send_clauses): Do nothing for global variables except for
7149 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7151 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7152 of the correct signedness is returned.
7154 2006-05-02 Jeff Law <law@redhat.com>
7156 PR tree-optimization/27364
7157 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7158 multiply expressions.
7160 2006-05-02 Tom Tromey <tromey@redhat.com>
7162 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7164 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7167 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7168 -mthumb -fPIC are used.
7170 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7171 Joshua Kinard <kumba@gentoo.org>
7174 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7175 with 64-bit pointers.
7177 2006-05-02 Paul Brook <paul@codesourcery.com>
7179 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7181 (create_fix_barrier): Check that a suitable barrier location is
7183 (arm_reorg): Include ftmp->address in allowable range of addresses.
7185 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7188 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7191 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7194 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7195 around RESULT_DECL for result passed by reference.
7196 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7197 * omp-low.c (use_pointer_for_field): Don't look at
7198 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7199 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7200 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7201 time or var for passing by reference for
7202 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7203 TREE_ADDRESSABLE variables when passing by reference.
7205 * omp-low.c (dump_omp_region): Fix output formatting.
7208 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7209 (expand_omp_parallel): Likewise.
7210 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7213 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7214 on statement list containing also constructors and destructors.
7215 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7218 * except.c (duplicate_eh_regions): Fix clearing of
7219 cfun->eh->region_array entries.
7221 2006-05-01 DJ Delorie <dj@redhat.com>
7223 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7225 (gcc_cv_objdump): Likewise.
7226 * configure: Regenerated.
7228 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7231 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7232 templates for case 3 and 4.
7234 2006-05-01 DJ Delorie <dj@redhat.com>
7236 * vec.c: Include bconfig.h when appropriate.
7237 * Makefile.in (build/vec.o): Adjust dependencies.
7238 * mkconfig.sh: Make sure config.h isn't used for build machine
7241 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7243 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7245 (mark_phi_for_rewrite): New function.
7246 (insert_phi_nodes_for, mark_use_interesting): Call
7247 mark_phi_for_rewrite.
7248 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7249 (update_ssa): Initialize and free phis_to_rewrite.
7251 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7253 PR rtl-optimization/27291
7254 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7255 folded to a constant.
7257 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7259 PR tree-optimization/27283
7260 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7261 not whole # of iteration descriptions.
7262 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7263 uses abnormal ssa name.
7264 (niter_for_single_dom_exit): Ditto.
7265 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7266 return just the number of iterations.
7268 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7270 PR tree-optimization/27144
7271 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7272 (record_estimate): Only record constant upper bound.
7273 (infer_loop_bounds_from_undefined): Call
7274 compute_estimated_nb_iterations just once.
7275 (proved_non_wrapping_p): Renamed to ...
7276 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7277 (convert_step_widening, scev_probably_wraps_p): Call
7278 n_of_executions_at_most instead of proved_non_wrapping_p.
7279 (substitute_in_loop_info): Do not replace values in bounds.
7280 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7283 2006-05-01 Richard Henderson <rth@redhat.com>
7286 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7287 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7290 2006-05-01 Roger Sayle <roger@eyesopen.com>
7292 * c-typeck.c (parser_build_binary_op): Don't call the function
7293 unsigned_conversion_warning to spot operand/result type overflow.
7294 (build_binary_op): Instead, call convert_and_check instead of
7295 convert to report the problem when the operands are promoted.
7296 * c-common.c (unsigned_conversion_warning): Make static.
7297 * c-common.h (unsigned_conversion_warning): Delete prototype.
7299 2006-05-01 Richard Guenther <rguenther@suse.de>
7301 PR tree-optimization/26726
7302 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7304 (find_interesting_uses_address): ... we work around here
7305 by folding INDIRECT_REFs in the substituted base.
7307 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7309 * omp-low.c (dump_omp_region): Add newlines.
7311 2006-04-30 Roger Sayle <roger@eyesopen.com>
7313 * common.opt (Woverflow): New command line option.
7314 * c-common.c (constant_expression_warning): Check warn_overflow.
7315 (overflow_waring): Pass OPT_Woverflow to warning.
7316 (unsigned_conversion_warning): Likewise.
7317 (convert_and_check): Likewise.
7318 * doc/invoke.texi: Document new command line option.
7320 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7322 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7323 TARGET_NO_FP_IN_TOC for section anchors.
7324 (optimization_options): Enable section anchors for all
7325 non-"Objective" languages.
7327 2006-04-28 Eric Christopher <echristo@apple.com>
7329 * config/darwin-c.c (darwin_ms_struct): Move this
7330 (darwin_set_default_type_attributes): and this...
7331 * config/darwin.c: ... here.
7332 * config/darwin.h (darwin_ms_struct): Declare.
7334 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7336 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7338 2006-04-28 Roger Sayle <roger@eyesopen.com>
7341 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7342 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7343 an unsigned HOST_WIDE_INT.
7344 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7346 (really_start_incremental_init): No need to call convert because
7347 bitsize_zero_node is already of type bitsizetype.
7348 (push_init_level): Extract the value of constructor_index as an
7349 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7350 (process_init_element): Likewise.
7352 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7354 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7355 value before passing to make_relative_prefix.
7357 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7360 * builtins.c (expand_builtin_memset): Expand val in original mode.
7362 2006-04-27 Eric Christopher <echristo@apple.com>
7364 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7365 with #ifndef/#endif.
7366 * config/darwin-c.c (darwin_ms_struct): New.
7367 (darwin_pragma_ms_struct): Ditto.
7368 (darwin_set_default_type_attributes): Ditto.
7369 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7370 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7371 Register ms_struct pragma.
7372 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7373 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7374 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7375 darwin_set_default_type_attributes if TARGET_MACHO.
7377 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7379 PR tree-optimization/26854
7380 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7381 * doc/tree-ssa.texi: Update immuse iterator documentation.
7382 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7383 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7384 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7385 first_safe_imm_use, next_safe_imm_use): Remove.
7386 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7387 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7388 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7389 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7390 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7391 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7392 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7393 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7394 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7395 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7396 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7397 (perfect_nestify): Use new iterator.
7398 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7400 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7401 (next_imm_name): New field in struct immediate_use_iterator_d.
7402 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7403 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7404 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7405 * tree-cfg.c (replace_uses_by): Use new iterator.
7406 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7407 * tree-ssa-operands.c (correct_use_link): Remove.
7408 (finalize_ssa_use_ops): No longer call correct_use_link.
7410 2006-04-27 Stuart Hastings <stuart@apple.com>
7412 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7413 * config/t-darwin (crt3.o): Use it.
7414 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7415 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7416 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7417 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7418 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7421 2006-04-27 Roger Sayle <roger@eyesopen.com>
7423 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7424 size, force the intermediate into a new pseudo rather instead of
7425 performing both a bitwise AND and a bitwise IOR in memory.
7427 2006-04-27 Richard Guenther <rguenther@suse.de>
7429 PR rtl-optimization/26685
7430 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7431 this one "max-flow-memory-locations".
7433 2006-04-27 Richard Guenther <rguenther@suse.de>
7435 PR tree-optimization/25148
7436 * tree-vrp.c (compare_values): Remove code dealing with
7437 comparisons against type min/max value. Honour overflow
7438 and negative constants in code dealing with comparisons
7439 of plus and minus expressions.
7440 (value_inside_range): Use fold_binary with LE_EXPR and
7441 GE_EXPR rather than compare_values.
7443 2006-04-27 Dirk Mueller <dmueller@suse.de>
7445 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7448 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7450 * basic-block.h (safe_insert_insn_on_edge): Removed.
7451 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7453 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7454 Paolo Bonzini <bonzini@gnu.org>
7457 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7458 (simplify_and_const_int): Same.
7460 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7462 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7464 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7467 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7468 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7469 cgraph_global_info_ready.
7472 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7475 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7476 either decl or init is error_mark_node.
7479 * tree-flow.h (struct omp_region): Add sched_kind.
7480 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7481 instead of extracting omp for data.
7482 (expand_omp_for): Save extracted sched_kind.
7484 2006-04-25 Roger Sayle <roger@eyesopen.com>
7486 * expmed.c (store_bit_field): Also check whether the bitsize is
7487 valid for the machine's "insv" instruction before moving the
7488 target into a pseudo for use with the insv.
7489 * config/i386/predicates.md (const8_operand): New predicate.
7490 * config/i386/i386.md (extv, extzv, insv): Use the new
7491 const8_operand predicate where appropriate.
7493 2006-04-25 DJ Delorie <dj@redhat.com>
7495 * doc/install.texi (Specific): Clarify that this is not a list of
7496 supported hosts or targets.
7498 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7500 PR rtl-optimization/26725
7501 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7502 block's BB_DIRTY flag.
7504 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7506 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7509 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7510 to print an integer.
7512 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7514 * varasm.c (align_variable): New function.
7515 (get_block_for_decl): Apply align_variable to DECL before
7516 calculating section information.
7517 (assemble_variable): Split out alignment computation.
7519 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7521 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7524 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7526 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7527 MODE_PARTIAL_INT mode.
7528 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7529 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7531 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7532 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7534 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7536 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7538 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7539 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7540 MACFLAG_IH): Likewise.
7541 (movstricthi_1): Renamed from "*movstricthi".
7542 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7543 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7544 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7545 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7546 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7547 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7548 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7549 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7550 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7551 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7552 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7553 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7554 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7555 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7556 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7558 * doc/rtl.texi (ss_ashift): Improve wording.
7560 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7562 * dwarf2out.c (verify_marks_clear): New.
7563 (prune_unused_types): Call verify_marks_clear initially, not
7566 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7568 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7569 * doc/rtl.texi: Document them.
7570 * simplify-rtx.c (simplify_unary_operation,
7571 simplify_binary_operation_1): Don't abort when we see them.
7573 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7576 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7577 * configure.ac: Completely disregard languages that are not
7579 * configure: Regenerated.
7581 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7582 Richard Guenther <rguenther@suse.de>
7584 PR tree-optimization/27236
7585 * tree-inline.c (copy_body_r): Make sure to copy
7586 TREE_THIS_VOLATILE flag.
7588 2006-04-24 Richard Guenther <rguenther@suse.de>
7591 * tree-complex.c (update_parameter_components): Don't handle
7592 unused parameters which have no default def.
7594 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7595 Richard Guenther <rguenther@suse.de>
7597 PR tree-optimization/27218
7598 * tree-inline.c (expand_call_inline): Strip useless type
7599 conversions for the return slot address.
7601 2006-04-24 Richard Guenther <rguenther@suse.de>
7603 * cfgloop.h (struct loops): Remove unused field array. Reorder
7605 (LOOP_PREFETCH): Remove.
7607 2006-04-24 Richard Guenther <rguenther@suse.de>
7609 PR tree-optimization/22525
7610 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7611 variable, adjust types of generated expressions.
7613 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7615 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7616 (tree-vect-patterns.o): Likewise.
7618 (cselib.o): Likewise.
7619 (loop-doloop.o): Likewise.
7620 (regclass.o): Likewise.
7621 (reload1.o): Likewise.
7622 (explow.o): Replace target.h with $(TARGET_H).
7623 (ipa-prop.o): Likewise.
7624 (ipa-cp.o): Likewise.
7625 (ipa-inline.o): Likewise.
7626 (reorg.o): Likewise.
7627 (reg-stack.o): Likewise.
7629 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7631 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7633 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7635 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7637 * configure.ac: Completely disregard languages that are not
7639 * configure: Regenerated.
7642 * c-common.h (c_build_bitfield_integer_type): Declare.
7643 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7644 * c-common.c (c_build_bitfield_integer_type): ... here.
7646 2006-04-23 Roger Sayle <roger@eyesopen.com>
7649 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7650 a SImode SUBREG of a floating point register after no_new_pseudos.
7652 2006-04-23 Roger Sayle <roger@eyesopen.com>
7654 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7655 identify potentially eliminable registers to additionally catch
7656 VIRTUAL_INCOMING_ARGS_REGNUM.
7657 (addsi3): Update the conditions on when to use addsi_small_int.
7659 2006-04-23 Roger Sayle <roger@eyesopen.com>
7662 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7663 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7664 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7666 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7668 * fold-const.c (range_predecessor): Use operand_equal_p
7669 as the predicate for equality.
7670 (range_successor): Likewise.
7672 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7675 * config/soft-fp/op-common.h: Fix a typo.
7677 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7680 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7681 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7683 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7685 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7687 * doc/tm.texi: Fix a typo.
7689 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7691 * dwarf2out.c (struct die_struct): Document that die_sib makes
7692 a circular linked list.
7693 (FOR_EACH_CHILD): New.
7694 (reverse_die_lists): Delete.
7695 (reverse_all_dies): Delete.
7696 (add_dwarf_attr): Correct documentation.
7697 (remove_child_with_prev): New.
7698 (remove_child_TAG): Update for change to die_struct, use
7699 remove_child_with_prev.
7700 (add_child_die): Update for change to die_struct.
7701 (splice_child_die): Use remove_child_with_prev and add_child_die.
7702 (print_die): Use FOR_EACH_CHILD.
7703 (die_checksum): Likewise.
7704 (assign_symbol_names): Likewise.
7705 (output_location_lists): Likewise.
7706 (build_abbrev_table): Likewise.
7707 (calc_die_sizes): Likewise.
7708 (mark_dies): Likewise.
7709 (unmark_dies): Likewise.
7710 (unmark_all_dies): Likewise.
7711 (output_die): Likewise.
7712 (prune_unused_types_mark): Likewise.
7713 (prune_unused_types_walk): Likewise.
7714 (same_die_p): Update for change to die_struct.
7715 (break_out_includes): Likewise.
7716 (prune_unused_types_prune): Likewise.
7717 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7718 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7720 (dwarf2out_finish): Don't call reverse_all_dies.
7722 2006-04-21 Eric Christopher <echristo@apple.com>
7724 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7725 in comments and function names.
7727 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7730 * c-typeck.c (digest_init): Robustify.
7732 * c-typeck.c (pop_init_level): Simplify.
7734 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7736 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7738 2006-04-21 Paul Brook <paul@codesourcery.com>
7740 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7741 hardware floating point.
7743 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7745 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7748 2006-04-21 Nick Clifton <nickc@redhat.com>
7750 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7753 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7756 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7757 C++ lang type in traceback table for Objective-C++.
7759 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7761 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7763 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7765 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7768 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7769 were errors. Remove check for erroneous objects.
7771 2006-04-20 Jeff Law <law@redhat.com>
7773 PR tree-optimization/26854
7774 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7775 checking for zero or one use.
7776 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7777 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7778 * tree-ssa-reassoc.c (negate_value): Similarly.
7779 (reassociate_bb): Similarly.
7781 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7783 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7784 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7785 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7787 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7789 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7790 fp regs if the last fp arg doesn't fit in regs.
7792 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7795 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7796 that the last insn has the REG_INC note.
7798 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7799 Nathan Sidwell <nathan@codesourcery.com>
7802 * stor-layout.c (update_alignment_for_field): Do not align
7804 (place_union_field): Place union field at the start of the union.
7805 (place_field): Move ERROR_MARK check later, and use the current
7806 allocation position to maintain monotonicity.
7808 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7810 * dominance.c: Include timevar.h.
7811 (calculate_dominance_info): Use TV_DOMINANCE.
7812 * timevar.def (TV_DOMINANCE): New timevar.
7813 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7815 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7817 PR rtl-optimization/14261
7818 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7819 move would be an INSV insn.
7820 (noce_process_if_block): Don't optimize if the destination is a
7821 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7823 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7825 * config/s390/s390.md: Add comments with the instructions emitted
7826 by an insn pattern if macros are used.
7828 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7830 PR rtl-optimization/26026
7831 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7832 is a known power of two shifted left a variable amount.
7834 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7836 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7837 to hash table twice when the debug_str section has SECTION_MERGE.
7839 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7841 * config/soft-fp: New directory. From glibc.
7842 * config/soft-fp/t-softfp: New.
7843 * config/soft-fp/README: New.
7844 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7845 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7846 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7847 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7848 * config.gcc: Use rs6000/t-fprules-fpbit or
7849 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7851 * config/rs6000/sfp-machine.h: New. Based on glibc.
7852 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7854 * config/rs6000/t-fprules: Remove fp-bit rules.
7855 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7856 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7857 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7858 (softfp_wrap_start, softfp_wrap_end): New.
7860 2006-04-18 DJ Delorie <dj@redhat.com>
7862 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7864 2006-04-18 Devang Patel <dpatel@apple.com>
7866 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7868 2006-04-18 Nick Clifton <nickc@redhat.com>
7870 * config/sh/t-symbian: Add rule to build sh-c.o
7871 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7872 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7873 (sh_symbian_encode_section_info): Likewise.
7875 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7877 * builtins.c (expand_builtin_strcmp): Cover label definition of
7878 do_libcall with HAVE_cmpstrnsi.
7880 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7882 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7884 * function.h (temp_slot_p): New.
7885 (function): Change the type of x_used_temp_slots to
7886 VEC(temp_slot_p,gc) *.
7888 2006-04-18 Nick Clifton <nickc@redhat.com>
7890 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7891 flag_strength_reduce.
7893 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7895 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7899 Partial revert of revision 112637
7900 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7901 Dale Johannesen <dalej@apple.com>
7904 * regclass.c (struct reg_pref): Update documentation.
7905 (regclass): Set prefclass to NO_REGS if memory is the best option.
7906 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7908 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7910 PR tree-optimization/26821
7911 * tree-ssa-math-opts.c (get_constant_one): New.
7912 (insert_reciprocals): Use it.
7914 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7916 * dwarf2out.c (free_AT): Delete.
7917 (remove_AT): Update string ref counts.
7918 (remove_child_TAG): Don't call free_die.
7920 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7921 or DW_TAG_GNU_EINCL.
7922 (prune_unused_types_walk_attribs): Reset string refcounts.
7923 (prune_unused_types_update_strings): New.
7924 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7925 call free_die. Do call prune_unused_types_update_strings.
7926 (prune_unused_types): Empty debug_str_hash.
7928 2006-04-17 Roger Sayle <roger@eyesopen.com>
7930 * expr.c (expand_assignment): Optimize away no-op moves where the
7931 source and destination are equal and have no side-effects.
7933 2006-04-17 Richard Guenther <rguenther@suse.de>
7936 * reload.c (push_reload): Guard calls to get_secondary_mem
7939 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7941 * alias.c (reg_base_value, old_reg_base_value): Change the
7942 type to VEC(rtx,gc) *.
7943 (REG_BASE_VALUE, find_base_value, record_set,
7944 init_alias_analysis): Use VEC instead of VARRAY.
7946 * alias.c (alias_sets): Change the type to
7947 VEC(alias_set_entry,gc) *.
7948 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7949 VEC instead of VARRAY.
7950 (last_alias_set): Remove.
7952 * cgraph.h (cgraph_edge_p): New.
7953 Update the prototype of cgraph_function_versioning.
7954 * cgraphunit.c (cgraph_copy_node_for_versioning,
7955 cgraph_function_versioning): Use VEC instead of VARRAY.
7956 * ipa-cp.c (ipcp_insert_stage): Likewise.
7958 2006-04-16 Roger Sayle <roger@eyesopen.com>
7961 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7962 "A op B" or "A op C", we may need to convert A to the type of B and C.
7964 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7966 * target.h (struct gcc_target): Add mode_rep_extended.
7967 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7968 (init_num_sign_bit_copies_in_rep): Initialize it using
7970 (truncate_to_mode): Use it.
7971 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7972 * targhooks.h (default_mode_rep_extended): Declare it.
7973 * targhooks.c (default_mode_rep_extended): Define it.
7974 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7975 default_mode_rep_extended.
7976 (TARGET_INITIALIZER): Include it.
7977 * doc/tm.texi (Misc): Document it.
7978 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7979 (mips_truncated_to_mode): New function.
7981 2006-04-16 Roger Sayle <roger@eyesopen.com>
7984 * expr.c (compress_float_constant): Copy the narrow constant into
7985 a new pseudo before extending it to its final width.
7987 2006-04-16 Roger Sayle <roger@eyesopen.com>
7988 Andrew Pinski <pinskia@gcc.gnu.org>
7989 Dale Johannesen <dalej@apple.com>
7992 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7993 special case code to implement V8HImode and V16QImode with SSE2.
7995 2006-04-15 Roger Sayle <roger@eyesopen.com>
7997 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7998 trees are constructed with a suitable tree type.
8000 2006-04-15 Roger Sayle <roger@eyesopen.com>
8002 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8003 (integer_onep): Likewise.
8004 (integer_all_onesp): Likewise.
8005 (integer_pow2p): Likewise.
8006 (integer_nonzerop): Likewise.
8007 (real_zerop): Likewise.
8008 (real_onep): Likewise.
8009 (real_twop): Likewise.
8010 (real_minus_onep): Likewise.
8011 (int_size_in_bytes): Likewise.
8012 (host_integerp): Likewise.
8014 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8016 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8017 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8018 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8020 * tree-ssa-structalias.h (alias_info): Remove num_references.
8022 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8024 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8025 (output_bvb patterns): Likewise.
8026 * pa.c (output_bb): Use 'bb' insn for long branch case.
8027 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8028 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8029 1. Correct length operand for alternatives 1 and 2.
8030 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8031 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8033 2006-04-14 Roger Sayle <roger@eyesopen.com>
8035 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8036 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8037 were accidentally reverted by r112959.
8039 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8042 * except.h (eh_region_outermost): New prototype.
8043 * except.c (eh_region_outermost): New function.
8044 * tree-cfg.c (find_outermost_region_in_block): Use it.
8046 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8048 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8050 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8051 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8052 (init_reload, reload): Use VEC instead of VARRAY.
8053 * reload.h: Update the prototype for
8054 reg_equiv_memory_loc_varray.
8056 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8057 Eric Botcazou <ebotcazou@libertysurf.fr>
8059 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8062 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8065 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8066 to expand fallback builtin function call.
8068 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8071 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8072 and emit libcall here in case the builtin fails.
8073 (expand_builtin_strcmp): Always emit the libcall here on failure.
8075 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8077 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8078 * flow.c (reg_n_info): Change the type to
8079 VEC(reg_info_p,heap) *.
8080 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8082 * regs.h (reg_info_p): New.
8083 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8084 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8085 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8088 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8090 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8092 * params.h (MAX_SCHED_READY_INSNS): New macro.
8093 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8094 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8095 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8096 the ready list for 1 cycle during the first scheduling pass.
8097 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8099 2006-04-13 Richard Henderson <rth@redhat.com>
8102 * gimple-low.c (lower_omp_directive): Remove dead code.
8103 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8104 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8105 * omp-low.c (struct omp_region): Move to tree-flow.h.
8106 (root_omp_region): Export.
8107 (omp_regions, lookup_omp_region): Remove.
8108 (determine_parallel_type): Update for struct omp_region changes.
8109 (dump_omp_region): Dump regions with block numbers.
8110 (new_omp_region): Take type and block instead of stmt; malloc
8112 (free_omp_region_1, free_omp_regions): New.
8113 (expand_parallel_call): Take entry_stmt as argument; update for
8114 changes to omp_region.
8115 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8116 (remove_exit_barriers): New.
8117 (expand_omp_parallel): Update for struct omp_region changes.
8118 (expand_omp_synch): Likewise.
8119 (expand_omp): Likewise.
8120 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8121 (expand_omp_for_static_chunk): Likewise.
8122 (expand_omp_for): Likewise.
8123 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8124 (expand_omp_sections): Similarly, with GOMP_sections_end.
8125 (expand_omp_single): New.
8126 (build_omp_regions_1): Update for OMP_CONTINUE.
8127 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8128 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8129 OMP_SECTIONS_SECTIONS.
8130 (lower_omp_single_simple): Don't emit barrier here.
8131 (lower_omp_single_copy): Likewise.
8132 (lower_omp_single): Fix bindings, and lower to straightline now.
8133 (lower_omp_master, lower_omp_ordered): Likewise.
8134 (lower_omp_critical): Likewise.
8135 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8136 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8137 omp edges, free it afterward.
8138 (make_omp_sections_edges): Remove.
8139 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8140 (move_stmt_r): Handle OMP_CONTINUE.
8141 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8142 statement pointers to basic blocks. Add type member.
8143 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8144 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8145 * tree-inline.c (estimate_num_insns_1): Likewise.
8146 * tree-pretty-print.c (dump_generic_node): Likewise.
8147 * tree-ssa-operands.c (get_expr_operands): Likewise.
8148 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8149 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8150 (OMP_CONTINUE): New.
8151 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8152 (OMP_SECTIONS_SECTIONS): Remove.
8153 (OMP_SECTION_LAST): New.
8154 (OMP_RETURN_NOWAIT): New.
8156 2006-04-13 Roger Sayle <roger@eyesopen.com>
8158 * fold-const.c (native_encode_vector, native_interpret_real):
8159 Correct obvious mistakes in the previous check-in.
8161 2006-04-13 Roger Sayle <roger@eyesopen.com>
8163 * fold-const.c (native_encode_expr): New function to encode
8164 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8165 or VECTOR_CST into a specified buffer.
8166 (native_encode_int): New function.
8167 (native_encode_real): New function.
8168 (native_encode_complex): New function.
8169 (native_encode_vector): New function.
8170 (native_interpret_expr): Inverse of native_encode_expr to convert
8171 a target representation into an INTEGER_CST, REAL_CST etc...
8172 (native_interpret_int): New function.
8173 (native_interpret_real): New function.
8174 (native_interpret_complex): New function.
8175 (native_interpret_vector): New function.
8176 (fold_view_convert_expr): New function to constant fold/evaluate
8177 a VIEW_CONVERT_EXPR of a suitable constant expression.
8178 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8179 Change call of build1 to fold_build1 when constructing a
8182 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8183 Ulrich Weigand <uweigand@de.ibm.com>
8186 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8189 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8192 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8193 optimize to lo_sum for DFmode if !TARGET_FPRS.
8195 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8197 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8198 delete_alias_info, compute_flow_sensitive_aliasing,
8199 group_aliases): Use VEC instead of VARRAY.
8200 * tree-ssa-structalias.c (update_alias_info): Likewise.
8201 * tree-ssa-structalias.h (alias_info): Change the type of
8202 processed_ptrs to VEC(tree,heap) *.
8204 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8207 * config/sh/lib1funcs.h: New file, broken out of:
8208 * config/sh/lib1funcs.asm.
8209 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8211 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8212 * config/sh/lib1funcs-Os-4-200.asm: New file.
8213 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8214 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8215 (EXTRA_MULTILIB_PARTS): Include it.
8216 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8217 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8218 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8219 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8222 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8224 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8225 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8226 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8228 * tree-ssa-live.h: Include vecprim.h.
8229 (tree_partition_associator_d): Change the type of
8230 first_partition to VEC(int,heap) *.
8231 (tpa_first_partition): Use VEC instead of VARRAY.
8233 * Makefile.in (GTFILES): Move functions.h after tree.h.
8234 * function.c (reset_block_changes, record_block_change,
8235 check_block_change, free_block_changes): Use VEC instead of
8237 * function.h (function): Change the type of
8238 ib_boundaries_block to VEC(tree,gc) *.
8239 * tree-inline.c (copy_cfg_body): Initialize
8240 ib_boundaries_block to NULL instead of (varray_type) 0.
8242 2006-04-12 Roger Sayle <roger@eyesopen.com>
8244 * expr.c (emit_group_store): Correct operand order in call to
8245 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8246 a SUBREG_BYTE of zero.
8248 2006-04-12 Richard Guenther <rguenther@suse.de>
8250 * profile.c (compute_branch_probabilities): Remove code
8251 encapsulated in !ir_type (), which are remanents of the
8252 removed RTL profiling code.
8253 * rtl-profile.c: Remove.
8255 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8257 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8258 magic NULL_RTX comment.
8259 (function_arg): Store entire fp arg to mem if any part should go
8261 (rs6000_arg_partial_bytes): Adjust for above change.
8263 2006-04-11 Roger Sayle <roger@eyesopen.com>
8265 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8266 if it hasn't been initialized by dwarf2out_init.
8268 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8270 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8271 symbolic constants in branch patterns.
8273 2006-04-11 Roger Sayle <roger@eyesopen.com>
8275 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8277 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8279 PR rtl-optimization/27073
8280 * gcse.c (try_replace_reg): Revert last change. Continue to search
8281 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8284 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8286 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8287 aggregate types other than record and union types.
8288 (function_arg): Likewise.
8289 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8291 (function_value): In 64-bit mode, return objects that require it
8294 2006-04-11 Roger Sayle <roger@eyesopen.com>
8296 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8298 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8300 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8302 2006-04-03 Jeff Law <law@redhat.com>
8305 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8306 alias information too.
8308 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8310 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8312 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8315 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8316 (premark_used_types_helper): New.
8317 (premark_used_types): New.
8318 (gen_subprogram_die): Call premark_used_types.
8319 (prune_unused_types_walk): Do not prune perennial dies.
8320 * function.c (used_types_insert): New.
8321 * function.h (struct function): Add used_types_hash field.
8322 (used_types_insert): Add prototype.
8323 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8324 * c-parser.c (c_parser_cast_expression): Save casted types in used
8327 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8330 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8331 rs6000_explicit_options.float_gprs.
8333 2006-04-10 Roger Sayle <roger@eyesopen.com>
8335 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8336 from ix86_expand_vector_init_low_nonzero. Take an additional
8337 one_var argument indicating which element is non-zero. Support
8338 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8339 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8340 with one_var instead of ix86_expand_vector_init_low_nonzero.
8342 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8344 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8345 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8346 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8347 build/genextract.o): Depend on vecprim.h.
8348 * cfglayout.c, df-problems.c, function.c, genextract.c,
8349 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8350 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8354 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8356 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8357 Declare VECs of this type.
8358 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8359 (remove_children): Delete.
8360 (add_dwarf_attr): Use VEC routines.
8361 (add_AT_flag): Update for changes to add_dwarf_attr.
8362 (add_AT_int): Likewise.
8363 (add_AT_unsigned): Likewise.
8364 (add_AT_long_long): Likewise.
8365 (add_AT_vec): Likewise.
8366 (add_AT_string): Likewise.
8367 (add_AT_die_ref): Likewise.
8368 (add_AT_fde_ref): Likewise.
8369 (add_AT_loc): Likewise.
8370 (add_AT_loc_list): Likewise.
8371 (add_AT_addr): Likewise.
8372 (add_AT_lbl_id): Likewise.
8373 (add_AT_lineptr): Likewise.
8374 (add_AT_macptr): Likewise.
8375 (add_AT_offset): Likewise.
8376 (add_AT_range_list): Likewise.
8377 (get_AT): Use VEC_iterate.
8378 (remove_AT): Use VEC_ordered_remove.
8379 (free_die): Fold remove_children into here; have it use VEC_iterate.
8380 (print_die): Use VEC_iterate on attrs.
8381 (reverse_die_lists): Don't reverse attr lists.
8382 (die_checksum): Use VEC_iterate on attrs.
8383 (same_die_p): Likewise.
8384 (output_location_lists): Likewise.
8385 (build_abbrev_table): Likewise.
8386 (size_of_die): Likewise.
8387 (unmark_all_dies): Likewise.
8388 (output_abbrev_section): Likewise.
8389 (output_die): Likewise.
8390 (prune_unused_types_walk_attribs): Likewise.
8392 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8394 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8396 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8399 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8401 2006-04-09 Roger Sayle <roger@eyesopen.com>
8403 * expr.c (store_constructor): Don't bother clearing target if
8404 we're about to assign a vector to it using vec_init_optab.
8406 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8408 * tree-ssa-alias.c (lhs_may_store_to): New function.
8409 (recalculate_used_alone): Handle LHS of calls.
8411 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8415 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8416 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8417 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8418 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8419 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8420 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8421 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8422 stubs. Add ".align 8" directives before all ".dword" directives.
8423 (GTHREAD_USE_WEAK): Revise comment.
8424 (TARGET_ATTRIBUTE_WEAK): Define.
8425 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8426 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8427 * stublib.c: New file.
8432 * pa.md (cbranch patterns): Revise arguments used in calls to
8433 output_cbranch, output_bb and output_bvd. Add long branch length
8435 (fbranch patterns): Handle long branches.
8436 (jump): Revise length check. Revise arguments for output_lbranch call.
8437 Add long branch length attributes.
8438 (decrement_and_branch_until_zero): Add long branch length attributes.
8439 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8440 Likewise. Revise arguments for output_parallel_addb and
8441 output_parallel_movb calls.
8442 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8443 output_parallel_movb and output_parallel_addb): Update prototypes.
8444 * pa.c (output_cbranch): Revise arguments. Correct handling of
8445 nullification in long branches.
8446 (output_lbranch): Add new argument to control extraction of delay
8448 (output_bb): Handle long branches.
8449 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8450 output_parallel_addb): Likewise.
8452 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8454 PR rtl-optimization/27073
8455 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8458 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8460 * tree.h (tree_memory_tag): Add old_used_alone.
8461 (SMT_OLD_USED_ALONE): New macro.
8462 * tree-ssa-alias.c (recalculate_used_alone): Stop
8463 marking things for renaming unnecessarily.
8465 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8467 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8468 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8469 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8470 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8471 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8472 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8473 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8474 spelling convensions.
8475 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8476 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8477 typos. Follow spelling conventions.
8479 2006-04-07 DJ Delorie <dj@redhat.com>
8481 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8482 passed on the stack.
8483 (m32c_init_cumulative_args): When a function returns a structure,
8484 always pass the pointer to that return area on the stack.
8485 (m32c_function_arg_advance): Don't increment the parameter number
8486 if we're processing the returned structure pointer.
8487 (pushm_info): Reverse order of registers.
8489 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8491 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8492 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8493 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8494 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8496 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8497 chrec_fold_multiply): Same.
8498 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8499 force_expr_to_var_cost): Same.
8500 * tree-mudflap.c (mf_xform_derefs_1): Same.
8501 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8503 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8505 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8506 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8509 2006-04-07 Jan Hubicka <jh@suse.cz>
8511 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8513 2006-04-07 Richard Guenther <rguenther@suse.de>
8515 PR tree-optimization/26135
8516 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8517 loads for store copy-prop.
8518 (copy_prop_visit_stmt): Likewise.
8520 2006-04-05 Robert Millan <robertmh@gnu.org>
8522 * config/i386/linux.h: Add a comment to mark macros that are
8523 being overriden in config/k*bsd-gnu.h.
8524 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8526 * config/knetbsd-gnu.h: Ditto.
8528 2006-04-06 Jan Hubicka <jh@suse.cz>
8532 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8535 2006-04-06 Mike Stump <mrs@apple.com>
8537 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8538 for HAVE_nonlocal_goto to be consistent.
8539 (expand_builtin_nonlocal_goto): Likewise.
8540 (expand_builtin_strcmp): Use #ifdef instead of #if
8541 for HAVE_cmpstrnsi to be consistent.
8543 2006-04-05 DJ Delorie <dj@redhat.com>
8545 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8548 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8550 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8551 got-relative addressing for anything but SImode.
8553 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8554 even if the calling function doesn't modify them.
8556 2006-04-05 Richard Guenther <rguenther@suse.de>
8558 PR tree-optimization/26919
8559 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8560 to cgraph_estimate_size_after_inlining.
8562 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8564 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8566 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8568 PR tree-optimization/26996
8569 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8570 VECTOR_TYPE variables.
8572 2006-04-05 Richard Guenther <rguenther@suse.de>
8574 PR tree-optimization/26763
8575 * fold-const.c (fold_comparison): Move folding of
8576 PTR + CST CMP PTR + CST ...
8577 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8579 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8581 * doc/install.texi (Prerequisites): Refine some wording on
8582 bootstrapping and ksh.
8583 Move the version numbers of DejaGnu here from the testing section
8584 and fix casing of names.
8585 Fix markup and clarify wording for autogen requirements.
8586 Refer to GCJ instead of just java.
8587 Refer to SVN instead of CVS.
8588 Describe diffutils as useful instead of necessary.
8589 (Downloading the source): Refer to SVN instead of CVS.
8590 Adjust a link to our web site accordingly.
8591 (Configuration): Fix casing of Bison.
8592 (Building): Refer to SVN instead of CVS.
8593 Fix a sentence on the use of Bison and remove duplicate (and
8594 incorrect) version number of Bison requirement.
8595 Remove one redundant list of packages needed for building.
8596 (Specific): Avoid reference to CVS.
8598 2006-04-04 Eric Christopher <echristo@apple.com>
8600 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8601 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8602 (rs6000_handle_struct_attribute): New.
8603 (rs6000_ms_bitfield_layout_p): Ditto.
8605 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8607 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8608 NULL for dso parameter to atexit_common.
8610 2006-04-04 Eric Christopher <echristo@apple.com>
8612 * config/i386/i386.c (machopic_output_stub): Output \t
8613 between instructions and operands.
8615 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8617 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8618 satisfies_constraint_[IL] to explicit tests on value.
8620 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8622 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8623 set_nb_iterations_in_loop): Use build_int_cst instead of
8625 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8626 build_int_cst instead of convert.
8628 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8630 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8631 new value 2 for incoming.
8632 * function.c (expand_function_start): Call struct_value_rtx
8634 * config/sparc/sparc.md: Comment updated_return.
8635 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8636 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8637 struct return if sparc_std_struct_return and incoming is 2.
8638 (print_operand): Do not adjust return if
8639 sparc_std_struct_return.
8641 2006-04-04 Roger Sayle <roger@eyesopen.com>
8643 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8644 convert in the middle-end.
8645 * expr.c (store_expr, store_constructor, get_inner_reference,
8646 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8648 * tree.c (build_range_type): Likewise.
8650 2006-04-04 Tom Tromey <tromey@redhat.com>
8652 * doc/install.texi (Prerequisites): Mention jar.
8654 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8656 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8659 2006-04-04 Matthias Klose <doko@debian.org>
8661 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8665 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8668 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8670 * doc/extend.texi (Function Attributes): Rewrite visibility
8671 attribute documentation.
8672 * doc/invoke.texi (C++ Dialect Options): Rewrite
8673 -fvisibility-inlines-hidden documentation to describe something
8674 entirely different, although in practise compatible.
8675 (Code Gen Options): Warn about system headers in -fvisibility=
8678 * doc/extend.texi (Other Builtins): Document that
8679 __builtin_nan is a compile-time constant only when its argument
8682 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8684 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8685 trying to remove TRUNCATE check if all bits outside the new mode
8686 are identical to the sign bit.
8688 2006-04-03 Jeff Law <law@redhat.com>
8690 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8691 and operand scanning in some common cases.
8693 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8694 Dale Johannesen <dalej@apple.com>
8697 * regclass.c (struct reg_pref): Update documentation.
8698 (regclass): Set prefclass to NO_REGS if memory is the best option.
8699 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8700 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8701 into account. For non-registers, equate an empty preferred
8702 reload class to a `!' in the constraint; move the if clause to
8703 do so after those that reject the insn.
8704 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8706 (find_dummy_reload): Likewise.
8707 * doc/tm.texi (Register Classes): Document what it means
8708 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8709 * config/i386/i386.c (ix86_preferred_reload_class): Force
8710 using SSE registers (and return NO_REGS for floating-point
8711 constants) if math is done with SSE.
8712 (ix86_preferred_output_reload_class): New.
8713 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8714 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8715 * config/i386/i386.md: Remove # register preferences.
8717 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8720 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8721 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8722 the type of nb_iter.
8723 (instantiate_parameters_1): Convert the operands before calling
8724 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8725 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8727 2006-04-02 Roger Sayle <roger@eyesopen.com>
8729 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8730 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8732 * dojump.c (do_jump): Likewise.
8733 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8734 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8735 gimplify_boolean_expr): Likewise.
8736 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8737 * varasm.c (array_size_for_constructor): Likewise.
8738 * tree-object-size.c (compute_object_offset): Likewise.
8740 2006-04-02 Roger Sayle <roger@eyesopen.com>
8743 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8744 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8746 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8748 PR tree-optimization/26939
8749 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8751 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8753 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8754 at_stmt. Convert the type of operands before calling
8755 build_polynomial_chrec.
8756 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8758 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8759 (instantiate_parameters_1): Convert the type of operands before calling
8760 build_polynomial_chrec.
8761 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8762 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8763 reset_evolution_in_loop): Insert asserts to check the types of the
8765 (chrec_type): Moved...
8766 (eq_evolutions_p): Use operand_equal_p.
8767 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8768 the types of the operands.
8769 (chrec_type): ...here.
8770 * tree-data-ref.c (create_data_ref): Convert the operands before
8771 calling chrec_replace_initial_condition.
8772 (same_access_functions, analyze_subscript_affine_affine,
8773 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8774 (compute_subscript_distance, analyze_ziv_subscript,
8775 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8776 analyze_miv_subscript): Convert the operands before calling
8777 chrec_fold_minus or chrec_fold_plus.
8779 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8781 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8782 the dependence_relations vector.
8783 (compute_data_dependences_for_loop): Adjust call to
8784 compute_all_dependences.
8786 2006-04-01 Roger Sayle <roger@eyesopen.com>
8787 Richard Henderson <rth@redhat.com>
8789 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8790 gimple_boolify on the condition before calling gimplify_expr.
8792 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8794 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8795 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8796 the frame size. Update to use the new macros.
8797 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8798 * config/xtensa/ieee754-df.S: Likewise.
8800 2006-03-31 Richard Henderson <rth@redhat.com>
8802 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8803 (make_edges): ... here. Control fallthru creation with a local
8804 variable. Do not play with fake edges.
8805 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8806 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8809 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8811 * dwarf2.h (DW64_CIE_ID): Define.
8812 * dwarf2out.c (DWARF_CIE_ID): Define.
8813 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8814 length header. Use DWARF_CIE_ID.
8815 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8816 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8818 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8820 * config/sh/linux-atomic.asm: New file.
8821 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8823 2006-03-31 DJ Delorie <dj@redhat.com>
8825 * config/m32c/cond.md: Set condition flags properly throughout.
8826 * config/m32c/minmax.md: Likewise.
8827 * config/m32c/prologue.md: Likewise.
8828 * config/m32c/bitops.md: Likewise.
8829 * config/m32c/muldiv.md: Likewise.
8830 * config/m32c/mov.md: Likewise.
8831 * config/m32c/addsub.md: Likewise.
8832 * config/m32c/m32c.md: Likewise.
8833 * config/m32c/jump.md: Likewise.
8834 * config/m32c/shift.md: Likewise.
8836 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8837 conditionally output the pattern for this.
8838 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8839 (m32c_compare_redundant): New.
8840 (m32c_output_compare): New.
8841 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8843 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8844 dest, not src. Allow other 4-byte modes.
8846 2006-03-30 Denis Chertykov <denisc@overta.ru>
8848 * doc/md.texi: Refer to avr/constraints.md instead of
8851 2006-03-30 Roger Sayle <roger@eyesopen.com>
8853 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8854 signed vs. unsigned comparison failures on some hosts.
8856 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8859 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8860 change to FLOAT_REGS.
8862 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8863 (rs6000_override_options): Use it.
8864 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8865 only for -mabi=spe/no-spe and -mabi=altivec.
8867 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8869 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8872 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8874 * Makefile.in: Rename docdir to gcc_docdir.
8876 2006-03-30 Roger Sayle <roger@eyesopen.com>
8879 * expr.c (emit_group_store): Optimize group stores into a pseudo
8880 register by using a paradoxical subreg to initialize the destination
8881 if the first or last member of the group specifies a "low part".
8883 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8886 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8887 * target.h (struct gcc_target.speculate_insn): Change type of the
8888 second parameter to 'int'.
8889 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8890 the second operand of the DEPS_LIST.
8891 (copy_DEPS_LIST_list): Update reference to the second operand of the
8893 * rtl.h (alloc_DEPS_LIST): Update signature.
8894 * sched-int.h (ds_t): Change typedef to 'int'.
8895 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8897 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8899 * haifa-sched.c (try_ready): Change condition to restore
8900 non-speculative pattern of the instruction.
8901 (process_insn_depend_be_in_spec): Code to keep probability of the
8902 speculative dependence non-decreasing.
8904 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8906 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8907 (single_move_for_movmem): ... this. Also change all uses.
8908 (bfin_expand_strmov): Renamed to...
8909 (bfin_expand_movmem): ... this. Also change all uses.
8910 * config/bfin/bfin.md (movstrsi): Renamed to...
8911 (movstrsi): ...this.
8913 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8915 PR tree-optimization/26830
8917 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8918 (copy_prop_visit_stmt): Remove write-only variable ann.
8919 (init_copy_prop): Check variable loop depth here. Do not simulate
8920 memory-tag and virtual operand PHIs except for store copy prop.
8922 2006-03-30 Richard Guenther <rguenther@suse.de>
8924 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8925 variants with double arguments.
8927 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8929 * genpreds.c (write_tm_constrs_h): Delete variable p.
8930 * genconditions.c (write_header): Add tm-constrs.h to included
8932 * genpeep.c (main): Add toplev.h to included headers.
8933 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8934 (build/genpeep.o): Add toplev.h dependency.
8935 * config/rs6000/constraints.md: Add "W" constraint.
8937 2006-03-29 Roger Sayle <roger@eyesopen.com>
8939 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8940 sizes by correctly testing whether the size fits a host integer.
8941 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8942 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8943 SImode range for the default sizetype and bitsizetype.
8945 2006-03-29 Roger Sayle <roger@eyesopen.com>
8947 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8948 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8949 quickly if the argument is already of the correct type.
8950 Call fold_build1 instead of build1. Tidy up blank lines.
8952 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8954 * genemit.c (main): Add tm-constrs.h to included headers.
8955 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8956 * genpeep.c (main): Add tm-constrs.h to included headers.
8957 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8958 (write_tm_constrs_h): this and write complete file.
8959 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8960 (write_insn_preds_c): Add tm-constrs.h to included headers.
8961 (gen_constrs): New variable.
8962 (parse_option): Parse "-c".
8963 (main): Invoke write_tm_constrs_h.
8964 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8965 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8966 (object_out_file): Add tm-constrs.h dependency.
8967 (insn-emit.o): Same.
8968 (insn-output.o): Same.
8969 (insn-peep.o): Same.
8970 (insn-preds.o): Same.
8971 (insn-recog.o): Same.
8972 (tm-constsr.h): New target.
8973 (s-constrs-h): New target.
8975 * config/rs6000/constraints.md: New file.
8976 * config/rs6000/rs6000.c: Include tm-constrs.h.
8977 (num_insn_constant_wide): Convert to satisfies_constraint.
8978 (rs6000_rtx_costs): Convert to satisfies_constraint.
8979 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8980 (CONST_OK_FOR_LETTER_P): Delete.
8981 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8982 (EXTRA_CONSTRAINT): Delete.
8983 (EXTRA_MEMORY_CONSTRAINT): Delete.
8984 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8985 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8986 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8987 satisfies_constraint.
8989 * config/i386/i386.c: Include tm-constrs.h.
8991 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8993 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8994 * tree-data-ref.c (find_data_references_in_loop,
8995 compute_data_dependences_for_loop): Use pointers to VEC.
8996 (analyze_all_data_dependences): Adjust calls.
8997 * tree-data-ref.h (find_data_references_in_loop,
8998 compute_data_dependences_for_loop): Adjust declarations.
8999 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9000 compute_data_dependences_for_loop.
9002 2006-03-29 Paul Brook <paul@codesourcery.com>
9004 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9007 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9009 PR tree-optimization/26859
9010 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9012 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9013 for the step after fold_convert.
9015 2006-03-29 Paul Brook <paul@codesourcery.com>
9017 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9018 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9020 2006-03-29 Paul Brook <paul@codesourcery.com>
9023 * targhooks.c (default_narrow_bitfield): New fuction.
9024 * targhooks.h (default_narrow_bitfield): add prototype.
9025 * target.h (gcc_target): Add narrow_volatile_bitfield.
9026 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9027 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9028 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9029 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9031 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9033 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9035 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9036 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9037 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9038 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9039 (s390_function_arg_float): Allow SDmode and DDmode values to be
9040 passed in floating point registers.
9041 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9042 check with SCALAR_FLOAT_MODE_P.
9043 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9045 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9047 PR tree-optimization/25985
9048 * tree-ssa-loop-niter.c (number_of_iterations_le,
9049 number_of_iterations_ne): Make comments more precise.
9050 (number_of_iterations_cond): Add only_exit argument. Use the
9051 fact that signed variables do not overflow only when only_exit
9053 (loop_only_exit_p): New.
9054 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9055 number_of_iterations_cond.
9057 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9059 PR tree-optimization/26643
9060 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9063 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9065 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9066 (divsi3_i4_int): Likewise.
9068 2006-03-28 Roger Sayle <roger@eyesopen.com>
9070 * expr.c (emit_group_store): Only create a new pseudo reg if the
9071 quantity it needs to hold isn't already a suitable pseudo.
9073 2006-03-28 Jeff Law <law@redhat.com>
9075 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9076 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9078 2006-03-28 Roger Sayle <roger@eyesopen.com>
9080 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9081 the equivalent ~X & Y, and the symmetry related transformations.
9082 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9083 ~X & Y, and symmetry related transforms.
9085 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9087 Revert my 2006-03-27 patches.
9089 2006-03-28 Roger Sayle <roger@eyesopen.com>
9091 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9092 ~(T1)X, when T1 and T2 are integer types of the same precision
9093 and (T2)X isn't an extension.
9095 2006-03-28 Jeff Law <law@redhat.com>
9097 PR tree-optimization/26796
9098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9099 need EH edge cleanups rather than purging them immediately.
9100 (eliminate_degenerate_phis): Handle queued EH cleanups.
9102 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9104 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9107 2006-03-27 Roger Sayle <roger@eyesopen.com>
9110 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9111 cast BIT_NOT_EXPR operand to the correct type.
9113 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9115 * tree-loop-linear.c: Don't include varray.h.
9116 (gather_interchange_stats, try_interchange_loops,
9117 linear_transform_loops): Use VEC instead of VARRAY.
9118 * lambda-mat.c: Don't include varray.h.
9119 * tree-chrec.c: Same.
9120 * lambda-trans.c: Same.
9121 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9122 VEC instead of VARRAY.
9123 * tree-vectorizer.h: Idem.
9124 * tree-data-ref.c (dump_data_references,
9125 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9126 initialize_data_dependence_relation, finalize_ddr_dependent,
9127 compute_all_dependences, find_data_references_in_loop,
9128 compute_data_dependences_for_loop, analyze_all_data_dependences,
9129 free_dependence_relation, free_dependence_relations,
9130 free_data_refs): Idem.
9131 * tree-data-ref.h (data_reference_p, subscript_p): New.
9132 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9133 VEC instead of VARRAY.
9134 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9135 (find_data_references_in_loop, compute_data_dependences_for_loop,
9136 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9137 dump_data_dependence_relations, free_dependence_relations,
9138 free_data_refs): Adjust declaration.
9139 (lambda_transform_legal_p): Move declaration here...
9140 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9141 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9142 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9143 vect_analyze_data_refs): Use VEC instead of VARRAY.
9144 * lambda.h (lambda_transform_legal_p): ...from here.
9145 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9146 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9147 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9148 tree-chrec.o): Don't depend on VARRAY_H.
9150 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9152 * rtl.def (Copyright): Update date.
9153 (DEPS_LIST): Change type of the second operand to 'int'.
9154 * target.h (Copyright): Update date.
9155 (struct gcc_target.speculate_insn): Change type of the second parameter
9157 * lists.c (Copyright): Update date.
9158 (alloc_DEPS_LIST): Change signature. Update reference to the second
9159 operand of the DEPS_LIST.
9160 (copy_DEPS_LIST_list): Update reference to the second operand of the
9162 * rtl.h (Copyright): Update date.
9163 (alloc_DEPS_LIST): Update signature.
9164 * sched-int.h (Copyright): Update date.
9165 (ds_t): Change typedef to 'int'.
9166 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9168 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9170 * haifa-sched.c (Copyright): Update date.
9171 (try_ready): Change condition to restore non-speculative pattern
9173 (process_insn_depend_be_in_spec): Code to keep probability of the
9174 speculative dependence non-decreasing.
9176 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9178 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9179 shut up the compiler.
9181 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9183 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9184 to use lib prefix for target.
9185 ($(T)libic_invalidate_array_4-200.a): Likewise.
9186 ($(T)libic_invalidate_array_4a.a): Likewise.
9188 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9189 J"orn Rennecke <joern.rennecke@st.com>
9191 * superh.opt: New file.
9192 * sh.c (boardtype, osruntime): Remove.
9193 * superh.h (SUBTARGET_OPTIONS): Remove.
9194 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9196 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9197 arguments with ^ and/or [].
9199 * config.gcc (sh-*-*): Add quoting to account for quirk of
9201 Replace == with = in enable_incomplete_targets test.
9203 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9204 with MASK_LITTLE_ENDIAN.
9206 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9207 * config/sh/sh.opt: Added to some comments.
9208 * config/sh/superh.h: Removed some chaff.
9210 * config/sh/sh.opt: Add m4-[1234]00* options.
9211 * config/sh/sh.c (sh_handle_option): Likewise.
9212 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9213 (ic_invalidate_array_4-100.o): New rule.
9214 ($(T)libic_invalidate_array_4-100.a): Likewise.
9215 (ic_invalidate_array_4-200.o): Likewise.
9216 ($(T)libic_invalidate_array_4-200.a): Likewise.
9217 (ic_invalidate_array_4a.o): Likewise.
9218 ($(T)libic_invalidate_array_4a.a): Likewise.
9219 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9220 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9222 * config/sh/crt1.asm: Merged in profiling code.
9223 * config/sh/superh.h (STARTFILE_SPEC): Override.
9224 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9225 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9226 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9228 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9229 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9230 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9232 * sh.opt (mpretend-cmove): New option.
9233 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9234 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9235 (movsicc): Add TARGET_PRETEND_CMOVE code.
9237 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9239 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9240 s390_class_max_nregs): New function prototypes.
9241 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9242 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9243 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9244 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9246 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9248 * dwarf2out.c (add_location_or_const_value_attribute): Call
9249 tree_add_const_value_attribute if nothing else works.
9250 (reference_to_unused): New.
9251 (rtl_for_decl_init): Use reference_to_unused to decide whether
9252 to output an initializer.
9254 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9257 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9258 peephole removing spe frob_di_df_2.
9260 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9262 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9263 (subscript_dependence_tester_1): Declared.
9264 (print_dir_vectors, print_dist_vectors): New.
9265 (debug_data_dependence_relation): New.
9266 (dump_data_dependence_relation): Print more details.
9267 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9268 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9269 (save_dist_v, save_dir_v, add_outer_distances,
9270 build_classic_dist_vector_1): New.
9271 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9272 Don't test for lambda_vector_lexico_pos.
9273 (same_access_functions, add_multivariate_self_dist,
9274 add_other_self_distances, dir_from_dist): New.
9275 (build_classic_dir_vector): Replace implementation almost identical to
9276 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9278 (subscript_dependence_tester_1): New.
9279 (subscript_dependence_tester): Handle the lexicographically negative
9280 distance vectors by recomputing the dependence relation.
9281 (compute_affine_dependence): Remove parameter loop_nest_depth.
9282 (compute_self_dependence): Don't call compute_subscript_distance.
9283 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9284 Add a parameter for the loop_nest.
9285 (find_loop_nest_1, find_loop_nest): New.
9286 (compute_data_dependences_for_loop): Compute the loop nest, and give
9287 up if the nest is not well formed.
9288 * tree-data-ref.h (loop_p): New.
9289 (struct data_dependence_relation): Replace size_vect field with
9290 loop_nest, a vec of loops.
9291 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9292 (DDR_LOOP_NEST): New.
9293 (print_dir_vectors, print_dist_vectors,
9294 debug_data_dependence_relation): Declared.
9295 (index_in_loop_nest): New.
9296 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9297 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9300 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9302 * simplify-rtx.c (simplify_relational_operation): Call
9303 simplify_relational_operation_1 even if mode is VOIDmode.
9305 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9307 PR tree-optimization/26804
9308 * tree.h (DECL_CALL_CLOBBERED): New macro.
9309 (tree_decl_common): Add call_clobbered_flag.
9310 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9311 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9312 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9313 (mark_non_addressable): Ditto.
9314 * tree-ssa.c (verify_call_clobbered): New function.
9315 (verify_alias_info): Use it.
9316 * tree-pass.h (pass_reset_cc_flags): New prototype.
9317 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9318 (reset_cc_flags): New function.
9319 * passes.c (init_optimization_passes): Call reset_cc_flags after
9320 initializing referenced_vars.
9322 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9323 Roger Sayle <roger@eyesopen.com>
9326 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9327 to 1.0 for non-real operands. Implement A / A optimization for
9330 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9332 * config/i386/i386.c (size_cost): Correct the comment for
9333 cost of storing fp registers.
9334 (i386_cost): Likewise.
9335 (i486_cost): Likewise.
9336 (pentium_cost): Likewise.
9337 (pentiumpro_cost): Likewise.
9338 (k6_cost): Likewise.
9339 (athlon_cost): Likewise.
9340 (k8_cost): Likewise.
9341 (pentium4_cost): Likewise.
9342 (nocona_cost): Likewise.
9343 (generic64_cost): Likewise.
9344 (generic32_cost): Likewise.
9346 2006-03-24 Denis Chertykov <denisc@overta.ru>
9348 * config/avr/avr-protos.h (extra_constraint): Delete.
9349 (extra_constraint_Q): New declaration.
9350 * config/avr/constraints.md: New file.
9351 * config/avr/avr.md: Include it.
9352 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9353 (TMP_REGNO, ZERO_REGNO): Likewise.
9354 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9355 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9356 (extra_constraint): Delete.
9357 (extra_constraint_Q): Test for memory constraint 'Q'.
9358 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9359 (REG_CLASS_FROM_LETTER): Delete.
9360 (CONST_OK_FOR_LETTER_P): Delete.
9361 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9362 (EXTRA_CONSTRAINT): Delete.
9363 (TMP_REGNO): Delete.
9364 (ZERO_REGNO): Delete.
9366 2006-03-24 Jeff Law <law@redhat.com>
9368 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9369 directly. Call mark_new_vars_to_rename slightly earlier.
9371 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9373 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9375 (gen_compile_unit_die): Use new language types for Objective-C and
9377 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9378 DW_LANG_C_plus_plus.
9381 * config/t-darwin (crt3.o): Work around bug 26840.
9382 * config/darwin-crt3.c: Rewrite.
9383 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9385 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9387 * doc/invoke.texi: Document -femit-class-debug-always
9388 * common.opt: Add -femit-class-debug-always.
9390 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9392 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9393 index and base register.
9394 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9395 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9396 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9397 REGNO_OK_FOR_INDEX_P.
9398 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9400 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9401 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9402 REG_OK_FOR_BASE_P): Definitions removed.
9404 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9407 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9408 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9409 set yet or weren't marked as local yet.
9411 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9413 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9416 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9418 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9419 (rs6000_legitimate_small_data_p): Delete.
9420 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9421 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9422 and make static. Add forward declaration. Update uses.
9423 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9424 of offsettable_memref_p.
9425 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9426 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9428 2006-03-24 Jeff Law <law@redhat.com>
9430 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9431 around bug in immediate-use iterator.
9433 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9436 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9437 or __LITTLE_ENDIAN__.
9439 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9441 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9442 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9443 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9444 * config/sh/sh.opt (mdiv=): Amend description.
9445 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9446 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9447 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9448 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9449 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9450 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9451 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9452 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9453 TARGET_DIVIDE_CALL_FP.
9455 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9457 * haifa-sched.c (choose_ready): Fix type of the local variable.
9458 Move local variables. Add comment.
9459 (check_reg_live): Change signature. Make callable from debugger.
9460 * sched-int.h (check_reg_live): Update signature.
9461 * sched-ebb.c (check_reg_live): Update parameters.
9462 * sched-rgn.c (check_reg_live): Ditto.
9463 (region_head_or_leaf_p): Check pointer before dereferencing.
9464 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9465 before reload on optimization levels below 1.
9467 2006-03-23 Richard Henderson <rth@redhat.com>
9469 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9473 * config/alpha/predicates.md (local_symbolic_operand): Reject
9476 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9479 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9480 expressions which have overflowed constants.
9482 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9484 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9486 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9488 * cfgloopmanip.c (create_loop_notes): Removed.
9489 * final.c (final_scan_insn): Do not handle loop notes.
9490 * jump.c (squeeze_notes): Ditto.
9491 * cfglayout.c (skip_insns_after_block,
9492 duplicate_insn_chain): Ditto.
9493 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9495 * cfgloop.h (create_loop_notes): Declaration removed.
9497 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9499 * varasm.c (output_constant_pool): Restore fnname and fndecl
9501 (assemble_start_function): Adjust call accordingly.
9502 (assemble_end_function): Likewise.
9504 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9507 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9510 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9512 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9515 * system.h (ICE_EXIT_CODE): New macro.
9516 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9517 (diagnostic_action_after_output): Likewise.
9518 * gcc.c (fatal_ice): New function.
9519 (execute): Use it instead of fatal.
9520 (fancy_abort): Likewise.
9521 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9523 2006-03-22 Jeff Law <law@redhat.com>
9525 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9526 iv_analyze_result returning false.
9528 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9530 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9532 2006-03-22 Richard Henderson <rth@redhat.com>
9535 * except.c (duplicate_eh_regions_0): New.
9536 (duplicate_eh_region_1): Duplicate the children of the node as
9537 well as the node itself. Link them up properly.
9538 (duplicate_eh_region_2): Merge into ...
9539 (duplicate_eh_regions): ... here. Take copy_region argument, and
9540 copy only a sub-tree if asked. Simplify copying and fixup.
9541 (eh_region_outer_p): New.
9542 * except.h (duplicate_eh_regions): Update decl.
9543 (eh_region_outer_p): Declare.
9544 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9545 (lower_omp_master): Likewise.
9546 (lower_omp_ordered): Likewise.
9547 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9548 (move_stmt_r): Use it to remap labels. Handle recursion vs
9549 remap_decls_p properly.
9550 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9551 (find_outermost_region_in_block): New.
9552 (new_label_mapper): New.
9553 (move_sese_region_to_fn): Copy eh information to the new function
9555 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9557 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9560 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9562 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9563 into shared libraries.
9565 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9567 * doc/md.texi: Refer to i386/constraints.md instead of
9569 * config/i386/constraints.md: New file, extracted from...
9570 * config/i386/predicates.md: ...here.
9571 * config/i386/i386.md: Include constraints.md.
9573 2006-03-21 Jason Merrill <jason@redhat.com>
9575 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9578 * expr.c (init_block_move_fn): Force default visibility.
9579 (init_block_clear_fn): Likewise.
9580 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9581 * targhooks.c (default_external_stack_protect_fail): Likewise.
9583 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9585 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9586 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9587 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9588 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9589 (loadgp): Use mips_current_loadgp_style.
9590 (loadgp_noshared): New pattern.
9591 (sibcall_internal): Use MIPS_CALL.
9592 (sibcall_value_internal): Likewise.
9593 (sibcall_value_multiple_internal): Likewise.
9594 (call_internal): Likewise.
9595 (call_value_internal): Likewise.
9596 (call_value_multiple_internal): Likewise.
9597 (call_split): Use MIPS_CALL and add an 'S' constraint.
9598 (call_value_split): Likewise.
9599 (call_value_multiple_split): Likewise.
9600 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9601 (-mshared): New option.
9602 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9603 (mips_current_loadgp_style): Declare.
9604 * config/mips/mips.c (mips_classify_symbol): Avoid using
9605 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9606 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9607 TARGET_ABSOLUTE_ABICALLS.
9608 (override_options): Adjust comments. Improve the warning that is
9609 issued when -mabicalls and -G are used together.
9610 (mips_file_start): Remove comment.
9611 (mips_current_loadgp_style): New function.
9612 (mips_gnu_local_gp): New variable.
9613 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9615 (mips_output_function_prologue): Use mips_current_laodgp_style.
9616 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9617 the cprestore instruction.
9618 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9619 live for TARGET_ABSOLUTE_ABICALLS.
9620 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9621 (ASM_SPEC): Pass down -mshared and -mno-shared.
9622 (MIPS_CALL): New macro.
9623 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9625 * doc/invoke.texi (-mabicalls): Update documentation.
9626 (-mshared): Document.
9628 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9630 * config/ia64/unwind-hpux.c: New file.
9631 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9633 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9636 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9638 2006-03-21 Jeff Law <law@redhat.com>
9640 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9641 type conversions of a VR_VARYING source to a wider type.
9643 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9645 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9646 tm_file on Solaris 10 and later.
9647 (sparc64-*-solaris2*): Likewise.
9648 (sparc-*-solaris2*): Likewise.
9649 * config/sol26.h: Rename to config/sol2-6.h.
9650 * config/sol2-10.h: New file.
9652 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9655 * tree-ssa-pre.c (create_component_ref_by_pieces):
9658 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9661 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9662 return it immediately.
9664 2006-03-21 Michael Matz <matz@suse.de>
9666 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9668 (remove_arc, add_arc): Update num_out_arcs member.
9669 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9671 (cache_presence): New function.
9672 (compare_states_for_equiv): New function.
9673 (state_is_differed): Don't take number of outargs, adjust callers.
9674 Use new invariant for speeding up.
9675 (init_equiv_class): Create initial classes based on sorted
9677 (partition_equiv_class): Don't track out_arcs_num.
9678 (evaluate_equiv_classes): Call cache_presence on all states and
9681 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9683 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9684 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9685 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9686 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9688 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9689 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9690 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9691 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9692 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9694 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9695 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9696 (REGNO_REG_CLASS): ARGP is in PREGS.
9697 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9699 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9700 to deal with those addresses.
9701 * addresses.h: New file.
9702 * caller-save.c: Include "addresses.h".
9703 (init_caller_save): Use new base_reg_class function.
9704 * rtl-factoring.c: Include "addresses.h".
9705 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9706 * recog.c: Include "addresses.h".
9707 (preprocess_constraints): Use new base_reg_class function.
9708 * regrename.c: Include "addresses.h".
9709 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9710 functions. Keep track of a new var INDEX_CODE to compute valid
9712 (replace_oldest_value_addr): Likewise.
9713 (replace_oldest_value_mem): Use base_reg_class.
9714 * reload.c: Include "addresses.h".
9715 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9716 (find_reloads): Use new base_reg_class function.
9717 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9718 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9719 all callers and prototype changed.
9720 * reload1.c: Include "addresses.h".
9721 (maybe_fix_stack_asms): Use base_reg_class.
9722 * regclass.c: Include "addresses.h".
9723 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9724 (init_reg_autoinc): Use new base_reg_class function.
9725 (record_reg_classes): Likewise.
9726 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9727 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9728 Use new args to compute necessary class.
9730 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9731 regrename.o, rtl-factoring.o): Update dependencies.
9732 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9733 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9734 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9735 REG_OK_FOR_INDEX_P): Delete documentation.
9737 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9739 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9740 from V7 to V9 for Solaris 7 and above.
9742 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9744 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9745 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9746 argument pointers may not alias any other storage.
9747 * common.opt: Define option -fargument-noalias-anything.
9748 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9749 alias semantics is specified by flag_argument_noalias > 2.
9751 2006-03-20 Jeff Law <law@redhat.com>
9753 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9754 (pass_phi_only_cprop): Declare.
9755 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9757 * tree-ssa-dom.c (degenerate_phi_result): New function.
9758 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9759 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9760 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9761 (eliminate_degenerate_phis): Likewise.
9762 (pass_phi_only_cprop): New pass descriptor.
9763 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9764 support code. Callers updated.
9765 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9766 (store_copy_prop): Likewise.
9767 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9769 2006-03-20 Jason Merrill <jason@redhat.com>
9772 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9773 (push_visibility, pop_visibility): Likewise.
9774 * c-pragma.h: Declare them.
9776 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9778 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9780 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9781 parameter and use get_ebb_head_tail.
9782 (sh_md_init_global): Adjust uses of find_regmode_weight.
9784 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9786 * function.h (struct function) <x_tail_recursion_reentry>:
9787 Rename to x_stack_check_probe_note.
9788 (tail_recursion_reentry): Rename to stack_check_probe_note.
9789 * function.c: Replace tail_recursion_reentry with
9790 stack_check_probe_note everywhere.
9791 (expand_function_start): Only emit a note for
9792 stack_check_probe_note with -fstack-protect.
9793 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9795 * emit-rtl.c (remove_unnecessary_notes): Remove.
9796 (pass_remove_unnecessary_notes): Remove.
9797 * rtl.h (remove_unnecessary_notes): Remove prototype.
9798 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9799 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9800 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9802 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9805 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9806 (valid_in_set): Handle ARRAY_REF.
9807 Change "if min_variant or VH" to asserts.
9808 (create_component_ref_by_pieces): Handle ARRAY_REF.
9809 (create_expression_by_pieces): Likewise.
9810 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9812 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9814 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9815 is operand of switch, not str[0].
9817 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9819 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9820 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9822 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9824 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9825 end of insn_extra_address_constraint declaration.
9827 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9829 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9830 (no-sum-in-toc): Same.
9831 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9833 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9834 NO_FP_IN_TOC for -fPIC instead of mask.
9836 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9837 (BOOT_LDFLAGS): Delete.
9839 * config/rs6000/t-aix52: Same.
9841 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9842 (stmsi[345678]_power): New.
9844 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9846 * config/ia64/ia64.opt: Add empty line to end of file.
9848 2006-03-17 Richard Guenther <rguenther@suse.de>
9851 * builtins.c (get_pointer_alignment): For component style references
9852 adjust alignment to the component type alignment. Make sure
9853 to adjust alignment for component access of constants.
9855 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9857 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9860 2006-03-17 Paul Brook <paul@codesourcery.com>
9862 * doc/install.texi: Docuemnt --with-mode.
9863 * config.gcc: Add --with-mode for arm*-*-*.
9864 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9866 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9868 * sh.c (max_labelno_before_reorg): New variable.
9869 (sh_reorg): Initialize it.
9870 (find_barrier): Check max_labelno_before_reorg before using
9871 label_to_alignment. Take length of explicit alignment insns
9872 into account. When seeing a UNSPECV_CONST_END, return it.
9874 * sh.c (fixup_mova): Set mode of affected label to QImode.
9875 (untangle_mova): New function.
9876 (find_barrier): Use it. Check mode of label before decrementing
9878 (sh_reorg): Likewise.
9879 Set mode of all insns back to VOIDmode.
9881 * sh.c (MOVA_LABELREF): New macro.
9882 (mova_p, fixup_mova, sh_reorg): Use it.
9883 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9884 ADDR_DIFF_VEC matches mova.
9886 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9888 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9889 with ATTRIBUTE_UNUSED.
9891 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9893 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9894 pointer, instead of assuming it is possible to derive the
9895 correct args size from a call insn.
9897 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9899 * rtl.h (CONST_INT_P): Define.
9900 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9901 instead of GET_CODE(x) == CONST_INT.
9902 (vax_rtx_costs): Likewise.
9903 (vax_output_int_move): Likewise.
9904 (vax_output_int_add): Likewise.
9905 (legitimate_constant_address_p): Likewise.
9906 (index_term_p): Likewise.
9907 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9908 * config/vax/vax.md (and<mode>3): Likewise.
9909 (ashrsi3): Likewise.
9911 (movstricthi): Likewise.
9912 (movstrictqi): Likewise.
9913 (rotrsi3): Likewise.
9914 (five unnamed insns): Likewise.
9916 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9918 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9919 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9920 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9921 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9922 Pass to ASM_OUTPUT_DWARF_OFFSET.
9923 * dwarf2out.c (debug_frame_section): New.
9924 (output_call_frame_info): Use debug_frame_section. Pass it to
9925 dw2_asm_output_offset.
9926 (output_die): Pass appropriate section to dw2_asm_output_offset.
9927 (output_compilation_unit_header): Likewise.
9928 (output_pubnames): Likewise.
9929 (output_aranges): Likewise.
9930 (enum dw_val_class): Break dw_val_class_lbl_offset into
9931 dw_val_class_lineptr and dw_val_class_macptr.
9932 (add_AT_lbl_offset): Delete.
9933 (add_AT_lineptr): New.
9934 (add_AT_macptr): New.
9935 (AT_lbl): Expect a lineptr or macptr.
9936 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9937 (attr_checksum): Likewise.
9938 (same_dw_val_p): Likewise.
9939 (size_of_die): Likewise.
9940 (value_format): Likewise.
9941 (output_die): Likewise.
9942 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9944 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9945 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9946 * config/darwin-protos.h (darwin_file_start): New.
9947 (darwin_asm_output_dwarf_offset): New.
9948 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9949 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9951 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9952 if not EH section; simplify.
9953 (darwin_file_start): New.
9954 (darwin_asm_output_dwarf_offset): New.
9955 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9957 (DEBUG_INFO_SECTION): Likewise.
9958 (DEBUG_ABBREV_SECTION): Likewise.
9959 (DEBUG_ARANGES_SECTION): Likewise.
9960 (DEBUG_MACINFO_SECTION): Likewise.
9961 (DEBUG_LINE_SECTION): Likewise.
9962 (DEBUG_LOC_SECTION): Likewise.
9963 (DEBUG_PUBNAMES_SECTION): Likewise.
9964 (DEBUG_STR_SECTION): Likewise.
9965 (DEBUG_RANGES_SECTION): Likewise.
9966 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9967 (ASM_OUTPUT_DWARF_OFFSET): New.
9969 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9971 * config.gcc (tm_defines): Always add to previous value rather
9974 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9976 * config/mips/predicates.md (splittable_const_int_operand): New,
9977 split from move_operand.
9978 (splittable_symbolic_operand): New.
9979 (move_operand): Add commentary. Use splittable_const_int_operand.
9980 Inline mips_atomic_symbolic_constant_p.
9981 * config/mips/mips.md: Add combine splitters for handling moves
9982 of splittable_const_int_operands and splittable_symbolic_operands.
9983 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9984 (mips_split_symbol): Declare.
9985 (mips_move_integer): Declare.
9986 * config/mips/mips.c (mips_split_p): Make global.
9987 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9988 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9989 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9990 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9991 (mips_offset_within_object_p): Handle block symbols.
9992 (mips_atomic_symbolic_constant_p): Delete.
9993 (mips_cannot_force_const_mem): Return false for constants that
9994 mips_legitimize_move can handle.
9995 (mips_use_blocks_for_constant_p): New function.
9996 (mips_split_symbol): Make global.
9997 (mips_move_integer): Likewise. Add a temporary register argument.
9998 (mips_legitimize_const_move): Use splittable_const_int_operand and
9999 splittable_symbolic_operand.
10000 (mips_use_anchors_for_symbol_p): New function.
10001 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10002 (mips_split_p): Declare.
10004 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10006 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10007 (mips*-*-linux*): Likewise.
10009 2006-03-16 Roger Sayle <roger@eyesopen.com>
10010 Daniel Speyer <dspeyer@wam.umd.edu>
10012 PR middle-end/18259
10013 * tree-dump.c (dump_real): New function.
10014 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10015 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10016 (tree-dump.o): Add $(REAL_H) to the dependencies.
10018 2006-03-16 Roger Sayle <roger@eyesopen.com>
10020 PR middle-end/21781
10021 * real.c (real_from_string): If the mantissa is zero, don't bother
10022 parsing the exponent as the result should always be zero.
10024 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10026 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10028 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10030 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10031 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10032 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10033 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10034 ia64_sched_finish_global): New static functions to implement
10035 hooks from gcc_target.sched.
10036 (spec_check_no, max_uid, pending_data_specs): New static variables.
10037 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10038 ia64_spec_check_src_p): New static functions.
10039 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10040 (TARGET_SCHED_ADJUST_COST): Removed.
10041 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10042 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10043 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10044 TARGET_SCHED_GEN_CHECK,
10045 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10046 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10047 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10048 Fixed to handle speculation checks.
10049 (rtx_needs_barrier): Fixed to handle speculative loads and
10051 (ia64_variable_issue): Added code to count speculative loads and their
10053 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10055 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10057 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10059 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10060 (ia64_reorg): Reset stops_p to NULL after it is freed.
10061 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10062 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10063 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10065 (data_speculative, control_speculative, check_load): New attributes.
10066 (mov<mode>_advanced, mov<mode>_speculative,
10067 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10068 zero_extend<mode>di2_speculative,
10069 zero_extend<mode>di2_speculative_advanced): New patterns for
10070 data and control speculative loads.
10071 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10073 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10074 New pattern for data and control speculation checks.
10075 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10076 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10077 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10078 Auxiliary definitions for the patterns.
10079 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10080 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10082 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10084 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10085 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10086 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10087 New resource constraints.
10088 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10090 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10091 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10092 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10093 msched-in-control-spec, msched-ldc, msched-control-ldc,
10094 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10095 msched-prefer-non-control-spec-insns,
10096 msched-count-spec-in-critical-path): New flags to tune speculative
10098 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10099 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10100 msched-in-control-spec, msched-ldc, msched-control-ldc,
10101 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10102 msched-prefer-non-control-spec-insns,
10103 msched-count-spec-in-critical-path): Document new flags.
10105 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10107 * target.h (struct spec_info_def): New opaque declaration.
10108 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10109 speculate_insn, needs_block_p, gen_check,
10110 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10111 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10112 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10113 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10114 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10115 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10117 (TARGET_SCHED): Use new macros.
10118 * rtl.h (copy_DEPS_LIST_list): New prototype.
10119 * sched-int.h (struct sched_info): Change signature of new_ready field,
10120 adjust all initializations. New fields: add_remove_insn,
10121 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10122 region_head_or_leaf_p.
10123 (struct spec_info_def): New structure declaration.
10124 (spec_info_t): New typedef.
10125 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10126 recovery_block, orig_pat.
10127 (glat_start, glat_end): New variables declaraions.
10128 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10130 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10131 DETACH_LIFE_INFO, USE_GLAT.
10132 (enum SPEC_SCHED_FLAGS): New enumeration.
10133 (NOTE_NOTE_BB_P): New macro.
10134 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10135 attach_life_info, debug_spec_status, check_reg_live): New functions.
10136 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10137 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10139 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10140 * ddg.c (get_block_head_tail): Adjust all uses.
10141 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10142 (sms_sched_info): Initialize new fields.
10143 (contributes_to_priority): Removed.
10144 * haifa-sched.c (params.h): New include.
10145 (get_block_head_tail): Adjust all uses.
10146 (ISSUE_POINTS): New macro.
10147 (glat_start, glat_end): New global variables.
10148 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10149 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10150 old_last_basic_block, before_recovery, current_sched_info_var,
10151 rgn_n_insns, luid): New static variables.
10152 (insn_cost1): New function. Move logic from insn_cost to here.
10153 (find_insn_reg_weight1): New function. Move logic from
10154 find_insn_reg_weight to here.
10155 (reemit_notes, move_insn, max_issue): Change signature.
10156 (move_insn1): Removed.
10157 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10158 extend_bb): New static functions to support extension of scheduler's
10160 (generate_recovery_code, process_insn_depend_be_in_spec,
10161 begin_speculative_block, add_to_speculative_block,
10162 init_before_recovery, create_recovery_block, create_check_block_twin,
10163 fix_recovery_deps): New static functions to support
10164 generation of recovery code.
10165 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10166 restore_bb_notes, move_block_after_check, move_succs): New static
10167 functions to support ebb scheduling.
10168 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10169 functions to support handling of register live information.
10170 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10171 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10172 add_jump_dependencies): New static functions.
10173 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10174 consistancy checking.
10175 (debug_spec_status): New function to call from debugger.
10176 (priority): Added code to handle speculation checks.
10177 (rank_for_schedule): Added code to distinguish speculative instructions.
10178 (schedule_insn): Added code to handle speculation checks.
10179 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10180 Fixed to handle ebbs.
10181 (move_insn): Added code to handle ebb scheduling.
10182 (max_issue): Added code to use ISSUE_POINTS of instructions.
10183 (choose_ready): Added code to choose between speculative and
10184 non-speculative instructions.
10185 (schedule_block): Added code to handle ebb scheduling and scheduling of
10186 speculative instructions.
10187 (sched_init): Initialize new variables.
10188 (sched_finish): Free new variables. Print statistics.
10189 (try_ready): Added code to handle speculative instructions.
10190 * lists.c (copy_DEPS_LIST_list): New function.
10191 * sched-deps.c (extend_dependency_caches): New function. Move logic
10192 from create_dependency_caches to here.
10193 (get_dep_weak, ds_merge): Make global.
10194 * genattr.c (main): Code to output prototype for
10195 dfa_clear_single_insn_cache.
10196 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10197 (output_dfa_clean_insn_cache_func): Code to output
10198 dfa_clear_single_insn_cache function.
10199 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10201 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10203 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10204 New static variables.
10205 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10206 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10208 (ebb_sched_info): Initialize new fields.
10209 (get_block_head_tail): Adjust all uses.
10210 (compute_jump_reg_dependencies): Fixed to use glat_start.
10211 (schedule_ebb): Code to remove unreachable last block.
10212 (schedule_ebbs): Added code to update register live information.
10213 * sched-rgn.c (region_sched_info): Initialize new fields.
10214 (get_block_head_tail): Adjust all uses.
10215 (last_was_jump): Removed. Adjust users.
10216 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10217 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10218 Implement new hooks.
10219 (check_dead_notes1): New static function.
10220 (struct region): New fields: dont_calc_deps, has_real_ebb.
10221 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10222 (BB_TO_BLOCK): Fixed to handle EBBs.
10223 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10224 (ebb_head): New static variable.
10225 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10226 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10228 (compute_dom_prob_ps): New assertion.
10229 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10230 global_live_at_start.
10231 (init_ready_list): New assertions.
10232 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10233 (new_ready): Add support for BEGIN_CONTROL speculation.
10234 (schedule_insns): Fixed code that updates register live information
10236 (schedule_region): Fixed to handle EBBs.
10237 (init_regions): Use extend_regions and check_dead_notes1.
10238 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10239 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10240 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10241 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10242 TARGET_SCHED_GEN_CHECK,
10243 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10244 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10245 * doc/invoke.texi (max-sched-insn-conflict-delay,
10246 sched-spec-prob-cutoff): Document.
10248 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10250 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10251 inter_tick, queue_index.
10252 (struct sched_info): Change signature of init_ready_list field.
10253 Adjust all initializations.
10254 (RESOLVED_DEPS): New access macro.
10255 (ready_add): Remove prototype.
10256 (try_ready): Add prototype.
10257 * sched-rgn.c (init_ready_list): Use try_ready.
10258 (schedule_region): Initialize
10259 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10260 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10261 (init_ready_list): Use try_ready.
10262 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10263 * lists.c (remove_list_elem): Remove `static'.
10264 (remove_free_INSN_LIST_elem): New function.
10265 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10266 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10267 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10269 (readyp): New variable.
10270 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10271 change_queue_index, resolve_dep): New static functions.
10272 (try_ready): New function. Adjust callers in sched-rgn.c and
10273 sched-ebb.c to use it instead of ready_add.
10274 (clock_var): Move at the begining of file.
10275 (rank_for_schedule): Fix typo.
10276 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10277 (ready_lastpos): Enforce assertion.
10278 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10279 update all callers.
10280 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10281 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10282 (queue_to_ready): Use free_INSN_LIST_list.
10283 (early_queue_to_ready): Fix typo.
10284 (schedule_block): Init readyp. Move init_ready_list call after the
10285 initialization of clock_var. Fix error in rejecting insn by
10286 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10287 that previously corrected INSN_TICKs. Add code for handling
10289 (set_priorities): Fix typo.
10290 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10291 Clarify comment and code that keeps current_sched_info->next_tail
10294 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10296 * sched-rgn.c (extend_rgns): New static function.
10297 (find_rgns): Use it.
10298 (gather_region_statistics, print_region_statistics): New static
10300 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10301 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10303 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10304 Andrey Belevantsev <abel@ispras.ru>
10306 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10307 * lists.c (unused_deps_list): New variable.
10308 (free_list): Add assertions to verify the proper distinguishing
10309 between INSN_LISTs and DEPS_LISTs.
10310 (find_list_elem, remove_list_elem, remove_list_node): New static
10312 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10313 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10314 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10315 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10317 (free_INSN_LIST_node): Likewise.
10318 * modulo-sched.c (current_sched_info): Initialize flags field.
10319 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10320 * rtl.def (DEPS_LIST): Define.
10321 * rtl.h: Declare new functions from lists.c.
10322 * sched-deps.c (spec_dependency_cache): New static variable.
10323 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10324 (add_dependence): Change return type to void. Move the logic to ...
10325 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10326 (delete_all_dependences): Add comment about forward_dependency_cache.
10327 Handle spec_dependency_cache. Handle DEPS_LISTs.
10328 (fixup_sched_groups): Clarify the change of priority of output
10329 and anti dependencies.
10330 (sched_analyze_2): Adjust add_dependence calls to create data
10331 speculative dependence.
10332 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10333 Adjust all callers. Handle DEPS_LISTS.
10334 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10335 presence of speculation.
10336 (init_dependency_caches, free_dependency_caches):
10337 Handle spec_dependency_cache.
10338 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10339 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10340 New static functions.
10341 (add_or_update_back_dep, add_or_update_back_forw_dep,
10342 add_back_forw_dep, delete_back_forw_dep): New functions.
10343 * sched-int.h (ds_t, dw_t): New typedefs.
10344 (struct sched_info): Add new field flags.
10345 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10346 Prototype new sched-deps.c functions.
10347 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10348 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10349 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10350 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10351 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10352 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10354 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10356 * sched-rgn.c (current_sched_info): Initialize flags field.
10357 (schedule_insns): Initialize current_sched_info before the sched_init
10359 * sched-ebb.c (current_sched_info): Initialize flags field.
10360 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10361 Call add_or_update_back_dep instead of add_dependence.
10362 Create control speculative dependencies.
10363 (schedule_insns): Initialize current_sched_info before the sched_init
10366 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10368 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10370 (sh_fallback_frame_state): Likewise.
10372 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10374 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10375 Do switch on default_use_cxa_atexit.
10376 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10377 * config/darwin-crt3.o: New.
10378 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10379 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10380 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10382 * config/rs6000/t-darwin: Move crt2.o building to here.
10383 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10384 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10387 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10389 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10390 from '! xxx' to '!xxx' for coding-style conformance.
10391 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10392 (EXTRA_CONSTRAINT): Likewise.
10393 * config/vax/vax.md (four unnamed insns): Likewise.
10395 2006-03-15 Paul Brook <paul@codesourcery.com>
10397 * config/arm/arm.c (minipool_pad): New.
10398 (add_minipool_forward_ref): Include pool alignment padding in address
10400 (push_minipool_fix): Set minipool_pad.
10401 (minipool_pad): Ditto.
10403 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10405 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10406 instead of GET_CODE() == MEM and REG_P() instead of
10408 (print_operand_address): Likewise.
10409 (vax_address_cost): Likewise.
10410 (vax_rtx_costs): Likewise.
10411 (vax_notice_update_cc): Likewise.
10412 (vax_output_int_add): Likewise.
10413 (INDEX_REGISTER_P): Likewise.
10414 (BASE_REGISTER_P): Likewise.
10415 (nonindexed_address_p): Likewise.
10416 (vax_mode_dependent_address_p): Likewise.
10417 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10418 (PRINT_OPERAND): Likewise.
10419 * config/vax/vax.md (ashlsi3): Likewise.
10420 (ashlsi3): Likewise.
10421 (some more unnamed insns): Likewise.
10423 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10425 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10426 iterator-style macro.
10427 (mark_control_dependent_edges_necessary): Update the use of
10428 EXECUTE_IF_CONTROL_DEPENDENT.
10430 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10432 * config/sh/predicates.md (cache_address_operand): Special.
10433 (ua_address_operand): Likewise.
10435 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10437 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10439 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10441 2006-03-15 Andreas Schwab <schwab@suse.de>
10443 * gensupport.c (identify_predicable_attribute): Don't free p_false
10444 when it is still in use.
10446 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10448 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10449 the default setting here.
10451 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10453 * tree-pass.h (pass_cfg): Remove.
10454 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10455 * passes.c (pass_cfg): Don't run it.
10457 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10459 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10460 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10462 (stack_regs_mentioned): Update the uses of
10463 stack_regs_mentioned_data. Don't access the array beyond its
10465 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10466 Don't include gt-reg-stack.h.
10468 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10469 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10471 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10473 PR middle-end/26684
10474 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10477 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10479 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10481 2006-03-14 Richard Guenther <rguenther@suse.de>
10483 PR tree-optimization/26672
10484 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10487 2006-03-14 Richard Guenther <rguenther@suse.de>
10489 PR tree-optimization/26667
10490 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10491 node for the callees. Always allow inlining if it will shrink
10494 2006-03-14 Richard Guenther <rguenther@suse.de>
10496 PR middle-end/26659
10497 * builtins.c (get_pointer_alignment): Prefer alignment
10498 information from decls over that from types.
10500 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10503 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10505 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10507 * config/rs6000/rs6000.opt (mdlmzb): New option.
10508 (msched-prolog, msched-epilog): Use Var not Mask.
10509 * doc/invoke.texi (-mdlmzb): Document.
10510 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10512 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10513 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10515 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10517 PR rtl-optimization/25739
10518 * bt-load.c (augment_live_range): Free tos pointer.
10520 * gensupport.c (identify_predicable_attribute): Free
10522 * gcov.c (create_file_names): Free name pointer.
10524 2006-03-13 Roger Sayle <roger@eyesopen.com>
10526 PR middle-end/26557
10527 * stmt.c (emit_case_nodes): Handle the case where the index is a
10528 CONST_INT, where the comparison mode is specified by the index type.
10530 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10532 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10535 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10537 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10538 (*branch_fp_inverted): Likewise.
10540 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10542 PR middle-end/25989
10543 * omp-low.c (expand_omp_for_generic): Mark istart0
10544 and iend0 as addressable.
10546 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10548 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10550 2006-03-13 Jeff Law <law@redhat.com>
10552 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10553 virtual operands are interesting.
10554 (vrp_visit_stmt): Corresponding changes.
10556 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10558 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10560 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10561 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10562 * config/bfin/crti.S: Use it instead of __PIC__.
10563 * config/bfin/crtn.S: Likewise.
10565 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10566 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10568 Lose 'G' modifier for call operand.
10569 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10570 recognize 'G' modifier.
10572 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10574 PR middle-end/18859
10575 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10576 * stmt.c (expand_case): Likewise.
10578 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10580 PR rtl-optimization/26254
10581 * loop-invariant.c (seq_insns_valid_p): New function.
10582 (move_invariant_reg): Only emit new code if it is valid.
10584 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10586 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10588 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10589 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10590 (commit_one_edge_insertion): Do not look for loop notes.
10592 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10594 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10595 flag_test_coverage out of loop.
10597 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10599 * final.c (shorten_branches): Remove outdated comment, and turn
10600 the if branch that guards it to continue.
10602 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10604 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10605 * cfgloop.h (struct loop): Remove unused fields.
10607 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10609 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10610 (-dL, -fdump-rtl-loop2): Update the dump file names
10612 * doc/invoke.texi: Update dump file names.
10614 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10616 * predict.c (estimate_probability): Remove.
10617 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10618 * basic-block.h (estimate_probability): Remove prototype.
10619 * passes.c (finish_optimization_passes): Dump branch prediction or
10620 profiling heuristics to the .profile tree dump.
10621 (init_optimization_passes): Unqueue pass_branch_prob.
10623 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10625 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10627 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10628 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10630 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10632 * function.h (frame_offset_overflow): Declare.
10633 * function.c (frame_offset_overflow): New function.
10634 (assign_stack_local_1): Call it to detect that the offset overflows.
10635 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10637 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10639 * config/sh/sh.c: Include alloc-pool.h.
10640 (label_ref_list_pool): New alloc pool.
10641 (label_ref_list_t): New type for lists of labels.
10642 (struct pool_node): Make wend a label_ref_list_t.
10643 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10645 (dump_table): Likewise.
10646 (sh_reorg): Set up the alloc pool before using add_constant and
10647 dump_table, and destroy it when finishing.
10649 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10651 * config/mips/mips.c: Remove redundant comment.
10653 2006-03-10 Jason Merrill <jason@redhat.com>
10656 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10657 the target was declared 'register'.
10659 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10661 * genpreds.c (write_insn_constraint_len): Change definition of
10662 insn_constraint_len to return size_t to match the declaration.
10664 2006-03-10 DJ Delorie <dj@redhat.com>
10666 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10668 (m32c_expand_insv): Fix test for an AND mask.
10670 2006-03-10 Richard Guenther <rguenther@suse.de>
10672 PR middle-end/26565
10673 * builtins.c (get_pointer_alignment): Handle component
10674 references for field alignment.
10676 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10678 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10679 when building with libgloss.
10680 (sh*elf): Implement --without-fp option.
10681 (sh64-superh-linux*): Don't multilib.
10683 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10685 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10687 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10689 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10690 Set it when one of the replacement functions returned true.
10691 Return TODO_cleanup_cfg if cfgchanged is true.
10692 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10694 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10696 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10697 instead of gen_lowpart.
10699 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10701 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10703 (mips_output_order_conditional_branch): Declare.
10704 * config/mips/mips.h (MIPS_BRANCH): New macro.
10705 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10706 for the comparison. Use gen_condjump.
10707 (mips_output_conditional_branch): Rework interface to take the
10708 asm templates for a direct branch and the inverse of a direct branch.
10709 (mips_output_order_conditional_branch): New function.
10710 (mips_builtin_branch_and_move): New function.
10711 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10712 branch condition. Use gen_single_cc as the condition for
10713 __builtin_mips_upper_* or __builtin_mips_lower_*.
10714 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10715 Use VOIDmode for the branch condition.
10716 * config/mips/predicates.md (order_operator): New predicate.
10717 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10718 (branch_fp): Rename to...
10719 (*branch_fp): ...this. Remove mode from comparison operator.
10720 Use new mips_output_conditional_branch interface.
10721 (branch_fp_inverted): Rename to...
10722 (*branch_fp_inverted): ...this and update as for *branch_fp.
10723 (*branch_zero<mode>): Rename to...
10724 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10725 Use mips_output_order_conditional_branch. Only accept ordered
10727 (*branch_zero<mode>_inverted): Rename to...
10728 (*branch_order<mode>_inverted): ...this and update as for
10729 *branch_order<mode>.
10730 (*branch_equality<mode>): Accept zero as the second operand to
10731 the equality operator. Use the new mips_output_conditional_branch
10733 (*branch_equality<mode>_inverted): Likewise.
10734 (condjump): New expander.
10735 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10737 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10738 (bc1any2t, bc1any2f): Likewise.
10739 (single_cc): New expander.
10740 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10742 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10744 * doc/md.texi: Update documentation of MIPS constraints.
10745 * config/mips/constraints.md: New file.
10746 * config/mips/mips.md: Include it.
10747 * config/mips/mips.c (mips_char_to_class): Delete.
10748 (override_options): Don't initialize mips_char_to_class.
10749 * config/mips/mips.h (mips_char_to_class): Delete.
10750 (REG_CLASS_FROM_LETTER): Delete.
10751 (CONST_OK_FOR_LETTER_P): Delete.
10752 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10753 (EXTRA_CONSTRAINT_Y): Delete.
10754 (EXTRA_CONSTRAINT_STR): Delete.
10755 (CONSTRAINT_LEN): Delete.
10756 (EXTRA_MEMORY_CONSTRAINT): Delete.
10758 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10760 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10761 original fn's eh regions.
10763 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10765 * fold-const.c (build_range_check): Make sure to use a valid type to
10766 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10769 (range_predecessor): New static function.
10770 (range_successor): Likewise.
10771 (merge_ranges): Use them to compute predecessors and successors of
10774 2006-03-09 Roger Sayle <roger@eyesopen.com>
10776 PR middle-end/26561
10777 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10778 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10780 2006-03-08 DJ Delorie <dj@redhat.com>
10782 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10783 (addpsi3): Expand to include memory operands. Remove
10784 reload-specific splits.
10785 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10786 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10787 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10788 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10789 (shift1_qi, shift1_hi, insv): New.
10790 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10791 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10792 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10794 * config/m32c/m32c-protos.h: Update as needed.
10795 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10796 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10797 Fail for unrecognized R* constraints.
10798 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10799 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10800 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10802 (m32c_init_libfuncs): New.
10803 (m32c_legitimate_address_p): Add debug wrapper.
10804 (m32c_rtx_costs): New.
10805 (m32c_address_cost): New.
10806 (conversions): Add 'B' prefix.
10807 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10808 operands, or word regnames for QI operands. 'B' prints bit
10810 (m32c_expand_setmemhi): New.
10811 (m32c_expand_movmemhi): New.
10812 (m32c_expand_movstr): New.
10813 (m32c_expand_cmpstr): New.
10814 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10815 (m32c_expand_neg_mulpsi3): Handle non-ints.
10816 (m32c_cmp_flg_0): New.
10817 (m32c_expand_movcc): New.
10818 (m32c_expand_insv): New.
10819 (m32c_scc_pattern): New.
10820 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10821 a0/a1 out of SIregs.
10822 (STORE_FLAG_VALUE): New.
10823 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10826 * config/m32c/mov.md: Make constraints more liberal.
10827 (zero_extendqihi2): Optimize r0/r1 case.
10828 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10829 * config/m32c/predicates.md (m32c_any_operand): New.
10830 (m32c_nonimmediate_operand): New.
10831 (m32c_hl_operand): New.
10832 (m32c_r3_operand): New.
10835 (memsym_operand): New.
10836 (memimmed_operand): New.
10837 (a_qi_operand): New.
10838 (m32c_eqne_operator): New.
10839 (m32c_1bit8_operand): New.
10840 (m32c_1bit16_operand): New.
10841 (m32c_1mask8_operand): New.
10842 (m32c_1mask16_operand): New.
10843 * config/m32c/blkmov.md: New file.
10844 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10846 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10848 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10849 unsigned to fix signed/unsigned comparison issue in
10850 DWARF2_FRAME_REG_OUT.
10851 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10852 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10854 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10855 of ptr into the ENABLE_CHECKING section.
10857 2006-03-08 Jeff Law <law@redhat.com>
10859 * tree-vrp.c (infer_value_range): Only count pointer uses
10860 and dereferences if -fdelete-null-pointer-checks is enabled.
10862 * tree-vrp.c (find_assert_locations): Infer value ranges for
10863 single use pointers, but do not create ASSERT_EXPRs for them.
10864 When a non-null range is inferred for a pointer, backwards
10865 propagate that range to other equivalent pointers through the
10868 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10871 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10872 language hook targets.
10873 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10874 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10875 if language hook targets were missing.
10877 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10879 * tree-ssa-opfinalize.h: Removed.
10880 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10882 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10883 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10884 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10885 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10886 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10887 finalize_ssa_v_must_def_ops): New.
10889 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10891 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10892 block as parameter.
10894 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10896 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10898 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10899 addresses with offsets; reorganize.
10901 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10902 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10903 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10905 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10908 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10910 2006-03-08 Ben Elliston <bje@au.ibm.com>
10912 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10914 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10917 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10920 2006-03-07 Richard Guenther <rguenther@suse.de>
10922 PR tree-optimization/26587
10923 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10925 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10927 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10929 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10931 * hooks.c (hook_bool_mode_rtx_true): New function.
10932 * hooks.h (hook_bool_mode_rtx_true): Declare.
10933 * toplev.c (compile_file): Call output_shared_constant_pool.
10934 * varasm.c (shared_constant_pool): New variable.
10935 (assemble_start_function, assemble_end_function): Remove arguments
10936 from call to output_constant_pool.
10937 (create_constant_pool): New function, split out from...
10938 (init_varasm_status): ...here.
10939 (force_const_mem): Choose between the shared and per-function constant
10940 pools. Set current_function_uses_const_pool when reusing old entries
10941 as well as when creating new ones.
10942 (mark_constant): Ignore data argument.
10943 (mark_constants): Remove pool argument.
10944 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10945 to decide whether the function uses a constant pool.
10946 (output_constant_pool_contents): New function, split out from...
10947 (output_constant_pool): ...here.
10948 (output_shared_constant_pool): New function.
10949 (init_varasm_once): Initialize shared_constant_pool.
10950 * output.h (output_constant_pool): Delete.
10951 (output_shared_constant_pool): Declare.
10952 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10953 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10955 2006-03-06 Nick Clifton <nickc@redhat.com>
10957 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10958 flag_strength_reduce.
10960 2006-03-06 Ben Elliston <bje@au.ibm.com>
10962 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10963 x86_64-*-linux* configurations.
10965 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10966 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10968 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10970 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10972 * basic-block.h: Remove the extern for
10973 rediscover_loops_after_threading.
10975 * cfgloop.c (cancel_loop): Make it static.
10976 * cfgloop.h: Remove the prototype for cancel_loop.
10978 * flow.c (recompute_reg_usage): Make it static.
10979 * rtl.h: Remove the prototype for recompute_reg_usage.
10981 * function.c (use_return_register): Make it static.
10982 * function.h: Remove the prototype.
10984 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10986 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10988 * recog.h: Remove the prototype for
10989 validate_change_maybe_volatile.
10991 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10993 * rtlanal.c (replace_reg): Remove.
10994 * rtl.h: Remove the prototype for replace_reg.
10996 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10998 * regclass.c (reg_scan_update): Remove.
10999 (reg_scan_mark_refs): Remove the last argument.
11000 * rtl.h: Remove the prototype for reg_scan_update.
11002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11004 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11005 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11006 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11007 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11008 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11009 loop-invariant.c, omp-low.c, opts.c, passes.c,
11010 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11011 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11012 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11013 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11014 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11015 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11017 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11019 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11020 * dwarf2out.h: Remove the prototype for
11021 dwarf2out_add_library_unit_info.
11023 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11025 * tree.c (add_var_to_bind_expr): Remove.
11026 * tree.h: Remove the prototype for add_var_to_bind_expr.
11028 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11030 * regclass.c (n_non_fixed_regs): Remove.
11031 (init_reg_sets_1, globalize_reg): Remove all uses of
11033 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11035 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11037 * rtlanal.c (insns_safe_to_move_p): Remove.
11038 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11040 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11042 * expmed.c (expand_mult_add): Remove.
11043 * expr.h: Remove the prototype for expand_mult_add.
11045 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11047 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11048 and REG_SAVED_VAL_EXP constants.
11049 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11050 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11051 Handle regs stored by value.
11052 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11053 (execute_cfa_program): Handle DW_CFA_val_offset,
11054 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11055 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11056 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11057 (uw_install_context_1): Handle target regs stored by value.
11059 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11061 * tree-sra.c (tree_sra): Return todoflags;
11062 (generate_one_element): Set TODO_update_smt_usage if needed.
11063 (pass_sra): Remove TODO_update_smt_usage.
11064 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11066 (tree_ssa_forward_propagate_single_use_vars): Return
11067 TODO_update_smt_usage if we need to update SMT usage.
11068 (pass_forwprop): Remove TODO_update_smt_usage.
11070 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11072 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11073 (correct_use_link): Remove reference to get_stmt_operands.
11074 (update_stmt_operands): Likewise.
11075 (get_modify_expr_operands): New function factored out of
11076 parse_ssa_operands and get_expr_operands.
11077 Try to create V_MUST_DEFs for LHS by default.
11078 (get_expr_operands) <case MODIFY_EXPR>: Call
11079 get_modify_expr_operands.
11080 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11081 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11082 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11083 get_modify_expr_operands.
11085 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11087 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11088 * tree-flow.h: Remove the prototype for
11089 referenced_var_lookup_if_exists.
11091 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11093 PR rtl-optimization/26345
11095 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11097 2006-03-03 Roger Sayle <roger@eyesopen.com>
11099 PR tree-optimization/26524
11100 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11101 fold_convert to create a constant of the appropriate type.
11103 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11105 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11106 SYMBOL_REF_IN_BLOCK_P.
11107 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11108 of SYMBOL_FLAG_IN_BLOCK.
11109 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11110 instead of SYMBOL_REF_IN_BLOCK_P.
11111 * explow.c (use_anchored_address): Likewise.
11112 * rtl.c (rtx_size): Likewise.
11113 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11114 instead of SYMBOL_FLAG_IN_BLOCK.
11115 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11116 SYMBOL_REF_IN_BLOCK_P.
11117 (assemble_variable): Likewise.
11118 (output_constant_def_contents): Likewise.
11119 (output_constant_pool): Likewise.
11120 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11121 instead of SYMBOL_FLAG_IN_BLOCK.
11122 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11123 SYMBOL_REF_IN_BLOCK_P.
11124 (SYMBOL_REF_BLOCK): Likewise.
11125 (SYMBOL_REF_OFFSET): Likewise.
11126 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11127 SYMBOL_REF_IN_BLOCK_P.
11128 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11129 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11130 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11131 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11133 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11135 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11137 2006-03-02 Roger Sayle <roger@eyesopen.com>
11139 * simplify-rtx.c (simplify_unary_operation): When simplifying
11140 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11141 that we perform the right shift in the appropriate mode, and
11142 then extend or truncate the result to requested mode.
11144 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11146 * gengtype.c (main): Handle double_int type.
11147 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11148 * double-int.c: New file.
11149 * double-int.h: New file.
11150 * system.h: Include doubleint.h.
11151 * Makefile.in (SYSTEM_H): Include double-int.h.
11152 (double-int.o): Add.
11154 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11157 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11160 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11162 * tree-vrp.c (remove_range_assertions): Do not update statements
11165 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11167 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11169 * gcse.c (rest_of_handle_gcse): Ditto.
11170 * except.c (gate_handle_eh): Ditto.
11171 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11172 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11174 2006-03-02 Eric Christopher <echristo@apple.com>
11176 * config/i386/i386.c (machopic_output_stub): Add indirection to
11179 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11183 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11185 Sun Niagara specific optimizations.
11186 * config.gcc: Recognize niagara as target.
11187 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11188 (TARGET_CPU_niagara): Define.
11189 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11190 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11191 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11192 (ASM_CPU_SPEC): Likewise.
11193 (PROCESSOR_NIAGARA): New enum entry.
11194 (REGISTER_MOVE_COST): Handle Niagara.
11195 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11196 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11197 (sparc_override_options): Recognize "niagara", set appropriate
11198 default MASK_* values for it, and align functions to 32-bytes
11199 by default just like ULTRASPARC/ULTRASPARC3.
11200 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11201 (sparc64_initialize_trampoline): Likewise.
11202 (sparc_use_sched_lookahead): Use zero for niagara.
11203 (sparc_issue_rate): Use one for niagara.
11204 * config/sparc/niagara.md: New file.
11205 * config/sparc/sparc.md: Include it.
11206 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11207 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11208 when default cpu is niagara.
11209 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11210 (ASM_CPU_SPEC): Likewise.
11211 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11212 when default cpu is niagara.
11213 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11214 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11215 just like v9/ultrasparc/ultrasparc3.
11216 * doc/invoke.texi: Add documentation for "niagara" and improve
11217 existing documentation for ultrasparc variants.
11219 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11221 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11223 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11225 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11226 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11227 and say that only one is needed.
11228 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11229 * target.h (have_switchable_bss_sections): New hook.
11230 * explow.c (use_anchored_address): Check that the symbol is in a block.
11231 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11232 (bss_noswitch_section): New variables.
11233 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11234 (get_noswitch_section): New function.
11235 (get_block_for_section): Allow SECT to be null.
11236 (unlikely_text_section_p): Use SECTION_STYLE.
11237 (bss_initializer_p): New function.
11238 (get_variable_section): Move earlier in file. Take a new argument,
11239 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11240 Return one of the new *_sections in such cases.
11241 (get_block_for_decl): New function, extracting some logic from
11242 use_blocks_for_decl_p.
11243 (change_symbol_section): Remove in favor of...
11244 (change_symbol_block): ...this new function.
11245 (use_blocks_for_decl_p): Remove checks now performed by
11246 get_block_for_decl.
11247 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11248 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11249 (emit_local, emit_bss, emit_common): ...these new functions.
11250 Return true if the alignment was honored.
11251 (emit_tls_common): New function.
11252 (asm_emit_uninitialised): Delete.
11253 (assemble_variable_noswitch): New function, split out from...
11254 (assemble_variable): ...here. Don't make decisions about common
11255 variables here. Globalize all public decls that go into non-common
11256 sections. Check whether SYMBOL_REF_BLOCK is null.
11257 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11258 (output_constant_pool): Likewise.
11259 (init_varasm_once): Initialize the new section variables.
11260 (have_global_bss_p): New function.
11261 (categorize_decl_for_section): Use bss_initializer_p.
11262 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11263 (place_block_symbol): Assert that the symbol must be in a block.
11264 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11265 (TARGET_INITIALIZER): Include it.
11266 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11267 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11268 (SECTION_MACH_DEP): Bump by two.
11269 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11270 (unnamed_section): Mention SECTION_UNNAMED in comment.
11271 (named_section): Likewise SECTION_NAMED.
11272 (noswitch_section_callback): New type.
11273 (noswitch_section): New structure.
11274 (section): Add a noswitch_section alternative.
11275 (SECTION_STYLE): New macro.
11276 (tls_comm_section, comm_section, lcomm_section): Declare.
11277 (bss_noswitch_section, have_global_bss_p): Declare.
11278 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11279 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11281 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11282 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11285 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11287 * tree-vrp.c (execute_vrp): Return value.
11288 * regrename.c (rest_of_handle_regrename): Ditto.
11289 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11290 * tree-complex.c (tree_lower_complex): Ditto.
11291 (tree_lower_complex_O0): Ditto.
11292 * tracer.c (rest_of_handle_tracer): Ditto.
11293 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11294 * postreload.c (rest_of_handle_postreload): Ditto.
11295 * tree-tailcall.c (execute_tail_recursion): Ditto.
11296 (execute_tail_calls): Ditto.
11297 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11298 * tree.h (init_function_for_compilation): Ditto.
11299 * ipa-cp.c (ipcp_driver): Ditto.
11300 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11301 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11302 * final.c (compute_alignments): Ditto.
11303 (rest_of_handle_final): Ditto.
11304 (rest_of_handle_shorten_branches): Ditto.
11305 (rest_of_clean_state): Ditto.
11306 * omp-low.c (execute_expand_omp): Ditto.
11307 (execute_lower_omp): Ditto.
11308 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11309 * ipa-reference.c (static_execute): Ditto.
11310 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11311 * reorg.c (rest_of_handle_delay_slots): Ditto.
11312 (rest_of_handle_machine_reorg): Ditto.
11313 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11314 * flow.c (recompute_reg_usage): Ditto.
11315 (rest_of_handle_remove_death_notes): Ditto.
11316 (rest_of_handle_life): Ditto.
11317 (rest_of_handle_flow2): Ditto.
11318 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11319 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11320 (do_ssa_store_ccp): Ditto.
11321 (execute_fold_all_builtins): Ditto.
11322 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11323 * modulo-sched.c (rest_of_handle_sms): Ditto.
11324 * ipa-pure-const.c (static_execute): Ditto.
11325 * cse.c (rest_of_handle_cse): Ditto.
11326 (rest_of_handle_cse2): Ditto.
11327 * web.c (rest_of_handle_web): Ditto.
11328 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11329 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11330 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11331 * tree-nrv.c (tree_nrv): Ditto.
11332 (execute_return_slot_opt): Ditto.
11333 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11334 (create_structure_vars): Ditto.
11335 * loop-init.c (rtl_loop_init): Ditto.
11336 (rtl_loop_done): Ditto.
11337 (rtl_move_loop_invariants): Ditto.
11338 (rtl_unswitch): Ditto.
11339 (rtl_unroll_and_peel_loops): Ditto.
11340 (rtl_doloop): Ditto.
11341 * gimple-low.c (lower_function_body): Ditto.
11342 (mark_used_blocks): Ditto.
11343 * tree-ssa-sink.c (execute_sink_code): Ditto.
11344 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11345 (cgraph_early_inlining): Ditto.
11346 * global.c (rest_of_handle_global_alloc): Ditto.
11347 * jump.c (cleanup_barriers): Ditto.
11348 (purge_line_number_notes): Ditto.
11349 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11350 (rest_of_handle_if_after_reload): Ditto.
11351 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11352 (tree_ssa_loop_im): Ditto.
11353 (tree_ssa_loop_unswitch): Ditto.
11354 (tree_vectorize): Ditto.
11355 (tree_linear_transform): Ditto.
11356 (tree_ssa_loop_ivcanon): Ditto.
11357 (tree_ssa_empty_loop): Ditto.
11358 (tree_ssa_loop_bounds): Ditto.
11359 (tree_complete_unroll): Ditto.
11360 (tree_ssa_loop_prefetch): Ditto.
11361 (tree_ssa_loop_ivopts): Ditto.
11362 (tree_ssa_loop_done): Ditto.
11363 * predict.c (tree_estimate_probability): Ditto.
11364 * recog.c (split_all_insns_noflow): Ditto.
11365 (rest_of_handle_peephole2): Ditto.
11366 (rest_of_handle_split_all_insns): Ditto.
11367 * tree-eh.c (lower_eh_constructs): Ditto.
11368 * regmove.c (rest_of_handle_regmove): Ditto.
11369 (rest_of_handle_stack_adjustments): Ditto.
11370 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11371 * function.c (instantiate_virtual_regs): Ditto.
11372 (init_function_for_compilation): Ditto.
11373 (rest_of_handle_check_leaf_regs): Ditto.
11374 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11375 (rest_of_handle_gcse): Ditto.
11376 * ipa-type-escape.c (type_escape_execute): Ditto.
11377 * alias.c (rest_of_handle_cfg): Ditto.
11378 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11379 * profile.c (rest_of_handle_branch_prob): Ditto.
11380 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11381 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11382 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11383 * tree-dfa.c (find_referenced_vars): Ditto.
11384 * except.c (set_nothrow_function_flags): Ditto.
11385 (convert_to_eh_region_ranges): Ditto.
11386 (rest_of_handle_eh): Ditto.
11387 * emit-rtl.c (unshare_all_rtl): Ditto.
11388 (remove_unnecessary_notes): Ditto.
11389 * except.h (set_nothrow_function_flags): Ditto.
11390 (convert_to_eh_region_ranges): Ditto.
11391 * cfgexpand.c (tree_expand_cfg): Ditto.
11392 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11393 * tree-ssa-pre.c (do_pre): Ditto.
11394 (execute_fre): Ditto.
11395 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11396 (rest_of_handle_jump2): Ditto.
11397 * tree-sra.c (tree_sra): Ditto.
11398 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11399 (execute_mudflap_function_decls): Ditto.
11400 * tree-ssa-copy.c (do_copy_prop): Ditto.
11401 (do_store_copy_prop): Ditto.
11402 * ipa-prop.h (ipcp_driver): Ditto.
11403 * cfglayout.c (insn_locators_initialize): Ditto.
11404 * tree-ssa-forwprop.c
11405 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11406 * cfglayout.h (insn_locators_initialize): Ditto.
11407 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11408 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11409 (execute_late_warn_uninitialized): Ditto.
11410 * rtl.h (cleanup_barriers): Ditto.
11411 (split_all_insns_noflow): Ditto.
11412 (purge_line_number_notes): Ditto.
11413 (unshare_all_rtl): Ditto.
11414 (remove_unnecessary_notes): Ditto.
11415 (recompute_reg_usage): Ditto.
11416 (variable_tracking_main): Ditto.
11417 * integrate.c (emit_initial_value_sets): Ditto.
11418 * integrate.h (emit_initial_value_sets): Ditto.
11419 * tree-optimize.c (execute_free_datastructures): Ditto
11420 (execute_free_cfg_annotations): Ditto.
11421 (execute_fixup_cfg): Ditto.
11422 (execute_cleanup_cfg_pre_ipa): Ditto.
11423 (execute_cleanup_cfg_post_optimizing): Ditto.
11424 (execute_init_datastructures): Ditto.
11425 * tree-object-size.c (compute_object_sizes): Ditto.
11426 * combine.c (rest_of_handle_combine): Ditto.
11427 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11428 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11429 (rest_of_handle_reorder_blocks): Ditto.
11430 (rest_of_handle_partition_blocks): Ditto.
11431 * var-tracking.c (variable_tracking_main): Ditto.
11432 * tree-profile.c (tree_profiling): Ditto.
11433 * tree-vect-generic.c (expand_vector_operations): Ditto.
11434 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11435 * sched-rgn.c (rest_of_handle_sched): Ditto.
11436 (rest_of_handle_sched2): Ditto.
11437 * basic-block.h (free_bb_insn): Ditto.
11438 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11439 * tree-cfg.c (execute_build_cfg): Ditto.
11440 (remove_useless_stmts): Ditto.
11441 (split_critical_edges): Ditto.
11442 (execute_warn_function_return): Ditto.
11443 (execute_warn_function_noreturn): Ditto.
11444 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11445 * cfgrtl.c (free_bb_for_insn): Ditto.
11446 * passes.c (execute_one_pass): Run additional
11447 todos returned by execute function.
11448 * tree-pass.h (struct tree_opt_pass): Make execute
11451 2006-03-02 Richard Guenther <rguenther@suse.de>
11453 * tree-ssa-alias.c (find_used_portions): Consider taking
11454 the address as making the variable not write-only.
11456 2006-03-02 Nick Clifton <nickc@redhat.com>
11458 * config.gcc (default_use_cxa_atexit): Extend the description of
11459 this configure variable. Set its default value to "yes" for
11460 Linux, NetBSD and ELF targets on the assumption that they will
11461 use C libraries with the __cxa_atexit function.
11463 2006-03-02 Ben Elliston <bje@au.ibm.com>
11465 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11466 parameter as unused to suppress a build warning.
11468 2006-03-02 Ben Elliston <bje@au.ibm.com>
11470 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11473 2006-03-01 Roger Sayle <roger@eyesopen.com>
11476 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11477 declared name, the weak reference name, and the typeof name.
11478 (__gthrw): Avoid expanding the declared name suffix.
11479 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11481 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11483 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11485 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11486 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11487 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11488 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11489 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11490 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11491 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11492 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11493 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11494 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11495 (DW_END_default, DW_END_big, DW_END_little): New.
11496 (DW_END_lo_user, DW_END_hi_user): Define.
11497 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11498 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11499 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11502 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11504 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11506 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11508 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11510 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11512 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11513 to 'symbol_mem_tag'.
11515 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11518 2006-03-01 Roger Sayle <roger@eyesopen.com>
11520 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11522 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11525 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11526 MACHO_DYNAMIC_NO_PIC_P.
11527 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11529 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11532 * config/darwin-protos.h (darwin_asm_output_anchor):
11534 * config/darwin-sections.def (cstring_section):
11535 Add SECTION_MERGE to the flags.
11536 (literal4_section): Likewise.
11537 (literal8_section): Likewise.
11538 (objc_selector_refs_section): Likewise.
11539 (objc_cls_refs_section): Likewise.
11540 * config/darwin.c (darwin_asm_output_anchor): New
11542 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11544 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11546 Fix PR tree-optimization/26443
11547 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11548 to todo and PROP_tmt_usage to properties_destroyed.
11549 * tree-ssa-ccp.c (pass_ccp): Ditto.
11550 (pass_store_ccp): Ditto.
11551 * tree-ssa-dom.c (pass_dominator): Ditto.
11553 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11555 * tree-ssa-operands.c: Cleanup whitespace.
11556 (get_asm_expr_operands): Move before first invocation.
11557 (get_indirect_ref_operands): Likewise.
11558 (get_tmr_operands): Likewise.
11559 (get_call_expr_operands): Likewise.
11560 (append_def): Likewise.
11561 (append_use): Likewise.
11562 (append_v_may_def): Likewise.
11563 (append_v_must_def): Likewise.
11564 (add_call_clobber_ops): Likewise.
11565 (add_call_read_ops): Likewise.
11566 (add_stmt_operand): Likewise.
11567 (add_virtual_operand): Likewise.
11568 (build_ssa_operands): Likewise.
11570 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11572 PR middle-end/26022
11574 PR middle-end/24437
11575 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11576 with a call expr to ...
11577 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11579 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11581 * tree-vrp.c (extract_range_from_assert): Remove special
11582 handling for types with super-types.
11584 2006-03-01 Ben Elliston <bje@au.ibm.com>
11586 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11587 and powerpc64-*-linux* configurations.
11588 * config/t-dfprules: New file.
11590 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11591 Compile dfp-bit.c from the source directory using -DWIDTH and
11592 $DFP_CFLAGS to control the compilation of that file, rather than
11593 generating width-specific versions in the build directory.
11594 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11595 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11597 2006-02-28 Zack Weinberg <zackw@panix.com>
11599 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11602 2006-02-28 Eric Christopher <echristo@apple.com>
11604 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11605 Set up IN_LIBGCC definition of TARGET_64BIT.
11606 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11608 2006-02-28 Roger Sayle <roger@eyesopen.com>
11610 PR middle-end/14752
11611 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11612 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11613 cases via the construction of "expr != 0".
11615 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11617 * alias.c (alias_invariant, alias_invariant_size): Remove.
11618 (record_base_value): Remove.
11619 (memrefs_conflict_p): Don't look at alias_invariant.
11620 (end_alias_analysis): Don't free it.
11621 * alias.h (record_base_value): Remove prototype.
11623 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11624 Adam Nemet <anemet@caviumnetworks.com>
11626 * rtl.h (truncated_to_mode): Declare it.
11627 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11628 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11629 (RTL_HOOKS_INITIALIZER): Include it.
11630 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11631 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11632 reg_truncated_to_mode.
11633 * rtlanal.c (truncated_to_mode): Define it.
11634 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11636 2006-02-28 Jeff Law <law@redhat.com>
11638 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11639 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11640 the range allowed by TYPE_PRECISION.
11642 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11644 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11646 PR tree-optimization/26419
11647 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11650 2006-02-27 Zack Weinberg <zackw@panix.com>
11652 * doc/md.texi: Fix typo in previous change.
11654 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11658 2006-02-27 Zack Weinberg <zackw@panix.com>
11660 * rtl.def (define_constraint, define_register_constraint)
11661 (define_memory_constraint, define_address_constraint): New MD forms.
11662 * gensupport.c (process_rtx): Put define_constraint etc on the
11664 * genpreds.c (process_define_predicate): Adjust comment. Validate
11665 the name, and call validate_exp to validate the expression.
11666 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11667 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11668 all callers changed.
11669 (validate_exp, needs_variable, struct constraint_data)
11670 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11671 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11672 (const_dbl_constraints, constraint_max_namelen)
11673 (have_register_constraints, have_memory_constraints)
11674 (have_address_constraints, have_address_constraints)
11675 (have_extra_constraints, have_const_int_constraints)
11676 (have_const_dbl_constraints, mangle, add_constraint)
11677 (process_define_constraint, process_define_register_constraint)
11678 (write_enum_constraint_num, write_lookup_constraint)
11679 (write_insn_constraint_len, write_regclass_for_constraint)
11680 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11681 (write_insn_extra_memory_constraint)
11682 (write_insn_extra_address_constraint)
11683 (write_satisfies_constraint_fns): New.
11684 (write_tm_preds_h): If we have new-style constraint definitions,
11685 prototype the functions generated from them, and define the
11686 old constraint interface (still used by generic code) in terms of
11688 (write_insn_preds_c): If we have new-style constraint definitions,
11689 generate all relevant functions from those definitions.
11690 (main): Handle define_constraint etc.
11691 * genoutput.c (struct constraint_data, indep_constraints)
11692 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11693 (mdep_constraint_len): New data structures and functions, defined
11694 #ifdef USE_MD_CONSTRAINTS.
11695 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11696 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11697 use new logic to validate operand constraints against constraint
11699 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11701 * defaults.h: If none of the old-style constraint macros are
11702 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11703 old-style macros; and poison REG_CLASS_FROM_LETTER,
11704 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11706 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11707 * doc/md.texi: Document new constraint-definition mechanism and the
11708 C interface it provides. Remove references to old mechanism
11709 elsewhere in the document.
11710 (Machine Constraints): Use pathnames relative to gcc directory,
11711 i.e. config/ARCH/FILE. Change i386 section to refer to
11712 config/i386/predicates.md; update that section to match docstrings.
11713 * doc/tm.texi: Move all documentation of the old constraint-
11714 definition macros to their own section, clearly mark as obsolete.
11716 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11717 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11719 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11720 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11721 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11722 constraint strings.
11723 (splits and peepholes): Use satisfies_constraint_*.
11724 * config/i386/i386.c (memory_address_length)
11725 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11727 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11729 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11730 scalar operation to be put back into the loop.
11732 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11735 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11736 (extract_cie_info): Handle S flag in augmentation string.
11737 (execute_cfa_program): If context->signal_frame, execute also
11738 fs->pc == context->ra instructions.
11739 (uw_frame_state_for): If context->signal_frame, don't subtract one
11740 from context->ra to find FDE.
11741 (uw_update_context_1): Set context->signal_frame to
11743 (_Unwind_GetIPInfo): New function.
11744 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11745 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11747 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11748 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11749 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11750 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11751 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11752 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11753 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11754 x86_64_fallback_frame_state): Set fs->signal_frame.
11755 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11756 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11757 (frob_update_context): Likewise. Workaround missing S flag in
11758 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11759 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11760 Remove the psw_addr + 1 hack.
11762 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11764 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11765 with aggregates here.
11766 (find_func_aliases): Remove code for &<aggregate> from here.
11768 2006-02-26 Roger Sayle <roger@eyesopen.com>
11770 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11771 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11772 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11773 as (X & C) ne/eq 0.
11775 2006-02-26 Roger Sayle <roger@eyesopen.com>
11777 PR middle-end/19983
11778 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11780 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11782 * opts.c (decode_options): Do not handle flag_strength_reduce.
11783 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11784 and OPT_fstrength_reduce.
11785 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11786 flag_prefetch_loop_arrays for being nonzero.
11787 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11789 (fprefetch-loop-arrays-rtl): Removed.
11790 (flag_prefetch_loop_arrays): Do not specify the value.
11792 * doc/passes.texi: Update documentation of loop optimizer
11794 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11795 -frerun-loop-opt): Remove.
11797 2006-02-26 Richard Guenther <rguenther@suse.de>
11799 PR tree-optimization/26421
11800 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11801 in function calls that are ADDR_EXPRs as using the whole structure.
11803 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11805 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11806 * tree-pass.h (pass_loop_optimize): Remove.
11807 * passes.c (pass_loop_optimize): Never run it.
11808 * toplev.c (backend_init): Don't call init_loop.
11809 * opts.c (flag_loop_optimize_set): Remove.
11810 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11811 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11812 the old RTL loop optimizer when profiling enabled.
11813 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11814 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11815 pre-headers for the sake of the old RTL loop optimizer.
11816 * Makefile.in: Remove all references to loop.o.
11818 * doc/invoke.texi: Remove all references to -floop-optimize
11819 and -frerun-loop-opt.
11821 2006-02-26 Zack Weinberg <zackw@panix.com>
11823 * doc/md.texi (Machine Constraints): Refer to all files with paths
11824 relative to gcc directory (i.e. config/CPU/file). Add missing
11825 @table @code ... @end table to M32C subsection.
11827 2006-02-26 Roger Sayle <roger@eyesopen.com>
11829 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11831 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11833 2006-02-26 Roger Sayle <roger@eyesopen.com>
11834 James A. Morrison <phython@gcc.gnu.org>
11836 PR middle-end/21137
11837 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11838 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11839 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11840 signedness of the shift operation.
11842 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11844 PR tree-optimization/26359
11845 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11847 2006-02-25 Roger Sayle <roger@eyesopen.com>
11849 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11850 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11851 as X == 0, and some symmetry related transformations.
11852 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11854 2006-02-25 Roger Sayle <roger@eyesopen.com>
11856 PR middle-end/23673
11857 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11858 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11859 symmetry related transformations. Fold (X^C1) == C2 as
11862 2006-02-25 Juergen Weigert <jw@suse.de>
11863 Richard Guenther <rguenther@suse.de>
11865 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11867 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11869 * combine.c (gen_lowpart_or_truncate): Call
11870 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11872 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11874 * doc/invoke.texi: Move -fopenmp description to "Options for
11876 Remove reference to -lgomp.
11878 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11880 * doc/install.texi: Require GNU tar version 1.14.
11882 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11884 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11885 * doc/invoke.texi (C++ Dialect Options): Document
11886 -fno-use-cxa-get-exception-ptr.
11887 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11888 * configure: Regenerate.
11889 * c.opt (fuse-cxa-get-exception-ptr): New.
11890 * c-opts.c (c_common_handle_option): Handle
11891 OPT_fuse_cxa_get_exception_ptr.
11892 * c-common.c (flag_use_cxa_atexit): Update documentation.
11893 (flag_use_cxa_get_exception_ptr): New.
11894 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11895 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11897 (C_COMMON_OVERRIDE_OPTIONS): New.
11899 2006-02-24 Roger Sayle <roger@eyesopen.com>
11901 PR middle-end/24952
11902 * combine.c (try_combine): Explicitly check whether GET_CODE is
11903 a SET or a CLOBBER, instead on checking that it isn't a USE.
11905 2006-02-24 Roger Sayle <roger@eyesopen.com>
11907 * fold-const.c (fold_comparison): New subroutine of fold_binary
11908 containing transformations common to both the equality and
11909 ordering relational operators, factored out of fold_binary.
11910 (fold_binary): Separate out the equality operators (EQ_EXPR
11911 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11912 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11913 transformations common to both.
11914 (fold_div_compare): Fix latent bugs in the previously unreachable
11915 LT_EXPR and GE_EXPR cases.
11917 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11919 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11920 decl libname for clog to __clog on AIX.
11922 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11924 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11927 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11928 output traceback table for thunks. Localise rs6000_stack_info call.
11930 2006-02-23 Roger Sayle <roger@eyesopen.com>
11931 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11933 * gthr-posix.h (__gthrw): Fix typo in comment.
11935 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11937 * doc/cpp.texi (Character sets): Document that we do support
11938 input files to be in any character set.
11940 2006-02-23 Jeff Law <law@redhat.com>
11942 * tree.h (PHI_ARG_NONZERO): Remove.
11943 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11944 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11945 node to the new node.
11947 PR tree-optimization/26425
11948 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11949 min/max, then assume its varying.
11951 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11953 PR rtl-optimization/26316
11954 * rtlanal.c (enum may_trap_p_flags): New.
11955 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11956 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11957 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11958 (may_trap_after_code_motion_p): New function.
11959 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11960 (find_invariant_insn): Use may_trap_after_code_motion_p.
11961 * rtl.h (may_trap_after_code_motion_p): Declare.
11963 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11965 * emit-rtl.c (immed_double_const): Cleanup.
11967 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11969 Fix PR tree-optimization/26376
11970 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11973 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11975 PR middle-end/26412
11976 * gimplify.c (omp_add_variable): Guard variable size decl test with
11977 DECL_SIZE (decl) check.
11979 2006-02-23 Richard Guenther <rguenther@suse.de>
11981 PR middle-end/26439
11982 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11983 like aggregate types.
11985 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11987 * configure.ac: Add --with{,out}-long-double-128 configure option.
11988 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11989 * configure: Rebuilt.
11990 * config.in: Rebuilt.
11991 * doc/install.texi (Options specification): Document
11992 --with-long-double-128.
11994 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11995 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11996 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11997 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11999 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12001 * config/s390/s390.c (override_options): Handle
12002 TARGET_DEFAULT_LONG_DOUBLE_128.
12004 * config/alpha/alpha.c (override_options): Handle
12005 TARGET_DEFAULT_LONG_DOUBLE_128.
12007 * config/sparc/sparc.c (sparc_override_options): Handle
12008 TARGET_DEFAULT_LONG_DOUBLE_128.
12010 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12012 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12013 (real-install-headers-tar, real-install-headers-cpio)
12014 (real-install-headers-cp): New targets.
12016 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12018 * tree.h (variable_section): Delete.
12019 * varasm.c (variable_section): Delete.
12021 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12023 * install.texi: Add notes on install.texi2html.
12024 (Building in parallel): Do not use footnotes.
12026 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12029 * doc/install.texi (Configuration): Document --disable-libgomp.
12031 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12033 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12035 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12037 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12038 (vec_extractv2df_0_sse): New.
12040 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12042 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12043 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12044 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12045 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12046 to the result of the expression.
12047 (def_cfa_1): Adjust.
12048 (frame_pointer_cfa_offset): Rename to...
12049 (frame_pointer_fb_offset): ... this. Adjust all uses.
12050 (convert_cfa_to_loc_list): Rename to...
12051 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12052 Pass it on to build_cfa_loc.
12053 (compute_frame_pointer_to_cfa_displacement): Rename to...
12054 (compute_frame_pointer_to_fb_displacement): ... this. New
12055 offset parameter. Use it in computation.
12056 (gen_subprogram_die): Compute cfa_fb_offset with the new
12057 macro, and use it to compute the fb loc list and the
12060 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12062 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12063 replaced with register_operand.
12064 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12065 non-DREG is expensive.
12066 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12067 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12070 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12072 * doc/install.texi2html: Use set -e.
12074 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12076 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12077 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12078 * doc/invoke.texi (-fshared-data): Delete.
12079 * common.opt (fshared-data): Delete.
12080 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12081 (assemble_static_space): Remove #if 0 code.
12082 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12083 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12084 * config/cris/cris.h: Remove FIXME.
12086 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12088 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12091 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12093 PR middle-end/26379
12094 * combine.c (simplify_shift_const_1): Disable nested shifts
12095 optimization for vector shifts.
12097 2006-02-20 Roger Sayle <roger@eyesopen.com>
12099 PR tree-optimization/26361
12100 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12101 of unsigned integer types.
12103 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12105 * tree-chrec.c (eq_evolutions_p): New.
12106 * tree-chrec.h (eq_evolutions_p): Declared.
12107 * tree-data-ref.c: Fix formatting.
12108 (datadep_stats, dependence_stats): New.
12110 (print_direction_vector): New.
12111 (dump_data_dependence_relation): Use print_direction_vector.
12112 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12113 (compute_subscript_distance): Static.
12114 (initialize_data_dependence_relation): Static. Get the number
12115 of loops surrounding the references from the callers, and initialize
12116 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12117 base_object_differ_p analyzers.
12118 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12119 compute_overlap_steps_for_affine_1_2,
12120 analyze_subscript_affine_affine): Count the classified dependences.
12121 Print a message when a test failed.
12122 (can_use_analyze_subscript_affine_affine): New.
12123 (analyze_siv_subscript): Compute the data dependences on symbolic
12124 scevs that verify can_use_analyze_subscript_affine_affine.
12125 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12126 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12127 Handle symbolic scevs.
12128 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12130 (subscript_dependence_tester): Moved...
12131 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12132 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12133 DDR_SIZE_VECT instead of getting it in parameter.
12134 (subscript_dependence_tester): ... here. Take as a parameter
12135 loop_nest_depth. Call build_classic_dist_vector and
12136 build_classic_dir_vector.
12137 (compute_affine_dependence): Update subscript_dependence_tester
12138 parameters. Update datadep_stats counters. Call
12139 compute_subscript_distance.
12140 (compute_self_dependence): Save the dist and dir vectors. Call
12141 compute_subscript_distance.
12142 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12143 (compute_all_dependences): Reorder parameters as they were before
12144 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12145 compute_subscript_distance. Update the use of
12146 compute_affine_dependence and initialize_data_dependence_relation.
12147 (find_data_references_in_loop): Handle COMPONENT_REF.
12148 (compute_data_dependences_for_loop): Initialize dependence_stats.
12149 Don't call build_classic_dist_vector and build_classic_dir_vector.
12150 Update the parameters of initialize_data_dependence_relation and
12151 compute_all_dependences. Print the statistics from datadep_stats.
12152 (analyze_all_data_dependences): Static. Not used until the pass for
12153 checking the data dependences is contributed.
12154 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12155 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12156 (initialize_data_dependence_relation, compute_affine_dependence,
12157 analyze_all_data_dependences, compute_subscript_distance): Removed.
12158 (print_direction_vector): New.
12159 * lambda.h (gcd): ... here.
12160 (lambda_vector_gcd): Moved here from gcd_vector.
12161 * lambda-code.c (gcd, gcd_vector): Removed.
12162 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12163 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12165 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12167 * ipa-type-escape.c: Tidy some comments and white space.
12168 * tree-ssa-operands.c: Likewise.
12170 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12173 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12174 (dump_decl_name): Do not walk the decl tree chains.
12175 * tree-pass.h (TDF_CHAIN): Remove.
12177 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12179 * Makefile.in (C): Remove
12181 (.PHONY): Remove C and PROTO
12183 2006-02-20 Roger Sayle <roger@eyesopen.com>
12185 PR middle-end/26236
12186 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12187 deprecated CHAR_TYPE tree code.
12189 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12191 * configure.ac (target_list): Add install-info, dvi, html.
12192 * configure: Regenerate.
12194 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12195 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12196 treelang/Make-lang.in: Do not use double-colon rules.
12198 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12200 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12201 (TMT_USED_ALONE): New macro.
12202 * tree-pass.h (PROP_tmt_usage): New property.
12203 (TODO_update_tmt_usage): New todo.
12204 * tree-ssa-alias.c (updating_used_alone): New variable.
12205 (recalculate_used_alone): New function.
12206 (compute_may_aliases): Set updating_used_alone, call
12207 recalculate_used_alone.
12208 * tree-sra.c (pass_sra): Note that this pass destroys
12209 PROP_tmt_usage, and add TODO_update_tmt_usage.
12210 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12211 * tree-flow.h (updating_used_alone): Prototype.
12212 (recalculate_used_alone): Ditto.
12213 * passes.c (execute_todo): Add code to set updating_used_alone,
12214 and call recalculate.
12215 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12216 for clobber if used alone, and add assert to verify used_alone
12219 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12221 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12222 for non tls symbols added.
12223 (legitimize_address): Do nothing for PLUS expressions if one of the
12224 addends is a tls symbol reference.
12226 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12230 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12232 * Makefile.in (BOOTSTRAPPING): New.
12233 (quickstrap): New definition if BOOTSTRAPPING=yes.
12235 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12236 * configure.ac: Substitute all_selected_languages with the languages
12237 that were configured. For all the other variables except
12238 lang_specs_files, include all the languages in the tree.
12239 * configure: Regenerate.
12241 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12242 if there is one. Run the commands to run fixincludes in the same
12245 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12246 * doc/install.texi: Document exact conventions for searching target tools.
12247 Document --with-build-time-tools. Document toplevel bootstrap. Document
12248 something more about building an Ada cross-compiler. Don't list GNU Make
12249 requirements which affect all platforms.
12251 2006-02-19 Roger Sayle <roger@eyesopen.com>
12253 PR middle-end/19543
12254 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12255 only equivalent if the have both the same mode and precision.
12257 2006-02-20 Ben Elliston <bje@au.ibm.com>
12259 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12261 2006-02-19 Roger Sayle <roger@eyesopen.com>
12262 Steven Bosscher <stevenb.gcc@gmail.com>
12264 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12265 constant pool references to identify stack mode constants.
12266 * rtlanal.c (constant_pool_constant_p): New predicate to check
12267 whether operand is a floating point constant in the pool.
12268 * rtl.h (constant_pool_constant_p): Prototype here.
12269 * loop.c (scan_loop): Avoid hoisting constants from the constant
12270 pool on STACK_REGS targets.
12271 (load_mems): Likewise.
12272 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12273 loads into x87 registers expensive in terms of register pressure.
12275 2006-02-19 Roger Sayle <roger@eyesopen.com>
12277 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12278 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12280 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12282 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12283 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12285 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12287 * doc/invoke.texi: Document -fipa-pta.
12288 * common.opt: Add ipa-pta option.
12289 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12290 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12291 (do_ds_constraint): Ditto.
12292 (get_constraint_for): Only add to referenced_vars if
12293 referenced_vars exists.
12294 (insert_into_field_list): Rewrite to do this unsorted.
12295 (insert_into_field_list_sorted): Rename old insert_into_field_list
12297 (create_function_info_for): Use insert_into_field_list_sorted.
12298 (create_variable_info_for): Rewrite so it uses unsorted version,
12299 since the field list is sorted.
12300 (intra_create_variable_infos): Only add to referenced_vars if
12301 referenced_vars exists.
12302 (ipa_pta_execute): Init heapvars, and delete when done.
12303 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12305 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12307 * doc/install.texi: Add missing `@samp'.
12309 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12311 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12314 2006-02-18 Mark Wielaard <mark@klomp.org>
12316 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12317 who added new 4.1 features, bug fixes and integration support.
12319 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12322 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12323 MEM for ABI_V4 pic.
12325 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12327 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12328 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12329 (copy_insn_1): Likewise. Don't copy each field individually.
12331 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12333 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12334 * rtl.c (rtx_size): Rename variable to...
12335 (rtx_code_size): ...this.
12336 (rtx_size): New function.
12337 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12338 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12340 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12341 * rtl.h (rtx_code_size): New variable.
12342 (rtx_size): Change from a variable to a function.
12343 (RTX_SIZE): Rename to...
12344 (RTX_CODE_SIZE): ...this.
12347 PR tree-optimization/17106
12348 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12349 (Anchored Addresses): New section.
12350 * doc/invoke.texi (-fsection-anchors): Document.
12351 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12352 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12353 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12354 * hooks.c (hook_bool_mode_rtx_false): New function.
12355 * hooks.h (hook_bool_mode_rtx_false): Declare.
12356 * gengtype.c (create_optional_field): New function.
12357 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12358 SYMBOL_REF_IN_BLOCK_P is true.
12359 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12360 (min_anchor_offset, max_anchor_offset): Likewise.
12361 (use_anchors_for_symbol_p): New hook.
12362 * toplev.c (compile_file): Call output_object_blocks.
12363 (target_supports_section_anchors_p): New function.
12364 (process_options): Check that -fsection-anchors is only used on
12365 targets that support it and when -funit-at-a-time is in effect.
12366 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12367 if the decl doesn't have one.
12368 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12369 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12370 of force_const_mem through use_anchored_address.
12371 (expand_expr_constant): New function.
12372 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12373 calling expand_expr for INDIRECT_REF.
12374 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12375 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12376 * expr.h (use_anchored_address): Declare.
12377 * loop-unroll.c: Don't declare rtx vectors here.
12378 * explow.c: Include output.h.
12379 (validize_mem): Call use_anchored_address.
12380 (use_anchored_address): New function.
12381 * common.opt (-fsection-anchors): New switch.
12382 * varasm.c (object_block_htab, anchor_labelno): New variables.
12383 (hash_section, object_block_entry_eq, object_block_entry_hash)
12384 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12385 (use_blocks_for_decl_p, change_symbol_section): New functions.
12386 (get_variable_section): New function, split out from assemble_variable.
12387 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12388 use_blocks_for_decl_p say so. Use change_symbol_section if the
12389 symbol has already been created.
12390 (assemble_variable_contents): New function, split out from...
12391 (assemble_variable): ...here. Don't output any code for
12392 block symbols; just pass them to place_block_symbol.
12393 Use get_variable_section and assemble_variable_contents.
12394 (get_constant_alignment, get_constant_section, get_constant_size): New
12395 functions, split from output_constant_def_contents.
12396 (build_constant_desc): Create a block symbol if use_object_blocks_p
12397 says so. Or into SYMBOL_REF_FLAGS.
12398 (assemble_constant_contents): New function, split from...
12399 (output_constant_def_contents): ...here. Don't output any code
12400 for block symbols; just pass them to place_section_symbol.
12401 Use get_constant_section and get_constant_alignment.
12402 (force_const_mem): Create a block symbol if use_object_blocks_p and
12403 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12404 (output_constant_pool_1): Add an explicit alignment argument.
12405 Don't switch sections here.
12406 (output_constant_pool): Adjust call to output_constant_pool_1.
12407 Switch sections here instead. Don't output anything for block symbols;
12408 just pass them to place_block_symbol.
12409 (init_varasm_once): Initialize object_block_htab.
12410 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12411 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12412 (place_block_symbol, get_section_anchor, output_object_block)
12413 (output_object_block_htab, output_object_blocks): New functions.
12414 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12415 (TARGET_ASM_OUT): Include it.
12416 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12417 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12418 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12419 (TARGET_INITIALIZER): Include them.
12420 * rtl.c (rtl_check_failed_block_symbol): New function.
12421 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12422 (block_symbol, object_block): New structures.
12423 (rtx_def): Add a block_symbol field to the union.
12424 (BLOCK_SYMBOL_CHECK): New macro.
12425 (rtl_check_failed_block_symbol): Declare.
12426 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12427 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12428 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12429 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12430 * output.h (output_section_symbols): Declare.
12431 (object_block): Name structure.
12432 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12433 (default_use_anchors_for_symbol_p): Declare.
12434 * Makefile.in (RTL_BASE_H): Add vec.h.
12435 (explow.o): Depend on output.h.
12436 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12437 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12438 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12439 (rs6000_use_blocks_for_constant_p): New function.
12441 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12443 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12445 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12448 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12451 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12453 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12457 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12459 PR middle-end/26334
12460 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12461 instead of DECL_REGISTER.
12463 2006-02-18 Olivier Hainque <hainque@adacore.com>
12466 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12468 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12471 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12472 * opth-gen.awk: Handle Var and InverseMask together.
12473 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12474 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12475 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12476 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12478 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12479 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12480 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12481 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12482 LINUX_DYNAMIC_LINKER): Define.
12483 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12484 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12486 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12487 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12488 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12490 (TARGET_C99_FUNCTIONS): Don't define.
12491 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12492 GLIBC_DYNAMIC_LINKER.
12493 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12494 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12495 GLIBC_DYNAMIC_LINKER64): Define.
12496 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12497 LINUX_DYNAMIC_LINKER64.
12498 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12500 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12502 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12503 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12504 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12505 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12506 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12508 and LINUX_DYNAMIC_LINKER32.
12509 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12511 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12513 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12515 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12516 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12517 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12518 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12519 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12520 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12521 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12522 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12523 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12524 LINUX_DYNAMIC_LINKER): Define.
12525 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12526 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12527 GLIBC_DYNAMIC_LINKER64): Define.
12528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12529 LINUX_DYNAMIC_LINKER64.
12530 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12531 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12532 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12533 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12534 LINUX_DYNAMIC_LINKER): Define.
12535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12536 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12537 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12538 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12539 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12540 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12541 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12542 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12543 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12544 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12546 * doc/invoke.texi (-muclibc): Remove caveat about supported
12549 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12551 * doc/cpp.texi (__TIMESTAMP__): Document.
12553 2006-02-17 Roger Sayle <roger@eyesopen.com>
12555 PR middle-end/25600
12556 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12557 C is one less than the width of X (and related transformations).
12558 * simplify-rtx.c (simplify_unary_operation_1): Transform
12559 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12560 depending on STORE_FLAG_VALUE, were C is one less then the
12563 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12565 Fix PR tree-optimization/26341
12566 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12567 about NAME_MEMORY_TAG's.
12569 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12572 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12573 with hardware float support, and software float support. Add fcpy
12574 alternative to hardware patterns. Add alternatives to copy between
12575 general and floating-point registers to the 32-bit pattern.
12576 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12577 secondary reload to load a QI or HI mode constant into a floating
12579 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12580 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12582 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12585 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12587 (load_macho_picbase_di): Likewise.
12589 2006-02-16 Jeff Law <law@redhat.com>
12591 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12592 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12593 (ssa_name_nonzero_p): Likewise.
12594 (get_value_range): Return NULL if VRP is not running.
12595 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12596 VRP routines do not discover a range.
12597 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12598 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12599 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12600 (tree_expr_nonnegative_p): Similarly.
12601 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12602 (restore_nonzero_vars_to_original_value): Remove.
12603 (unsafe_associative_fp_binop): Remove.
12604 (tree_ssa_dominator_optimize): Remove initialization and
12605 finalization of nonzero_vars and nonzero_vars_stack.
12606 (dom_opt_initialize_block): No longer push marker on
12607 nonzero_vars_stack.
12608 (dom_opt_finalize_block): No longer call
12609 restore_nonzero_vars_to_original_value.
12610 (record_equivalences_from_phis): No longer look for
12611 nonzero PHI arguments.
12612 (cprop_into_successor_phis): No longer propagate nonzero
12613 property into PHI arguments. Lose unused argument. Caller
12615 (record_equivalences_from_stmt): No longer record nonzero
12616 values for SSA_NAMEs.
12617 (lookup_avail_expr): No longer use nonzero_vars.
12619 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12620 for sizetype when sizetype is unsigned.
12622 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12624 PR rtl-optimization/25603
12625 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12626 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12627 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12628 with new meaning of SETS.
12630 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12635 * config/linux.opt: New file.
12636 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12637 LINUX_DYNAMIC_LINKER): Define.
12638 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12639 * config.gcc (*-*-linux*): Define extra_options.
12640 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12641 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12642 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12643 GLIBC_DYNAMIC_LINKER.
12644 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12645 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12646 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12648 * doc/invoke.texi (GNU/Linux Options): New section.
12650 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12652 * config/sparc/sparc.md (setjmp): Rewrite.
12653 (setjmp_32): Delete.
12654 (setjmp_64): Likewise.
12656 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12658 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12661 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12663 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12666 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12668 PR rtl-optimization/26296
12669 * Makefile.in (loop-invariant.c): Add except.h dependency.
12670 * loop-invariant.c: Include except.h.
12671 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12673 2005-02-16 Paul Brook <paul@codesourcery.com>
12675 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12678 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12680 PR rtl-optimization/25636
12681 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12682 when deciding whether an insn is an initializing insn.
12684 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12686 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12687 (tree_code_size): Ditto.
12688 * tree.h (struct tree_memory_tag): Remove parent_var.
12689 (struct tree_struct_field_tag): New.
12692 (union tree_node): Add sft member.
12693 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12695 (create_sft): Add size and offset argument, set SFT_OFFSET and
12697 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12698 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12699 * tree-flow-inline.h (get_subvar_at): Update for
12700 SFT_OFFSET/SFT_SIZE.
12701 (var_can_have_subvars): Ditto.
12702 (overlap_subvar): Ditto.
12703 * print-tree.c (print_node): Print out interesting things for
12705 * tree-flow.h (struct subvar): Remove offset and size members.
12706 * tree-ssa-operands.c (get_expr_operands): Update for
12707 get_indirect_ref_operands changes.
12708 (get_indirect_ref_operands): Call add_virtual_operand instead of
12709 add_stmt_operand. Only recurse on base var if requested.
12710 (access_can_touch_variable): New function.
12711 (add_stmt_operand): Split virtual operand handling into ...
12712 (add_virtual_operand): Here. Add offset, size, and for_clobber
12713 arguments. Prune alias sets.
12714 (add_call_clobber_ops): Call add_virtual_operand.
12716 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12718 PR middle-end/26300
12719 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12721 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12722 than TREE_CODE as index into omp_clause_num_ops array.
12724 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12726 PR rtl-optimization/26184
12727 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12729 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12730 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12731 must_precede, must_follow and tobe_scheduled.
12734 * opts.c (common_handle_option): Free new_option pointer.
12735 * df-core.c (df_analyze): Free postorder pointer.
12737 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12739 * Makefile.in: Fix the examples about the use of stamps
12741 2006-02-15 Michael Matz <matz@suse.de>
12743 PR middle-end/22275
12745 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12746 influenced by maximum_field_alignment or DECL_PACKED.
12747 (update_alignment_for_field): Ditto.
12748 (place_field): Ditto.
12749 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12752 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12754 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12755 (debug_flow_info): Pass it.
12756 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12757 * bb-reorder.c (reorder_basic_blocks): Likewise.
12758 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12759 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12760 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12761 * gcse.c (gcse_main, bypass_jumps): Likewise.
12762 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12763 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12764 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12765 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12766 * rtl.h (dump_flow_info): Adjust prototype.
12767 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12768 * var-tracking.c (variable_tracking_main): Likewise.
12769 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12770 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12773 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12775 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12778 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12780 PR tree-optimization/26209
12781 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12782 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12784 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12786 2006-02-14 Roger Sayle <roger@eyesopen.com>
12788 PR middle-end/23670
12789 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12790 (X,Y) and the corresponding symmetry related transformations.
12791 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12792 (X,Y) and its symmetry related transformations.
12794 2006-02-14 Roger Sayle <roger@eyesopen.com>
12796 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12799 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12801 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12803 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12806 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12807 support COMDAT group.
12808 * configure: Regenerate.
12810 2006-02-14 Roger Sayle <roger@eyesopen.com>
12812 PR middle-end/26279
12813 PR middle-end/26280
12814 PR middle-end/26283
12815 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12817 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12819 Fix PR tree-optimization/26260
12821 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12823 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12824 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12825 * tree-ssa-structalias.c (create_variable_info_for): Use
12826 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12828 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12830 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12832 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12833 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12834 of the ending condition.
12835 * tree-ssa-loop-manip.c: Include params.h.
12836 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12837 tree_unroll_loop): New functions.
12838 * tree-pass.h (pass_loop_prefetch): Declare.
12839 * loop.c (rest_of_handle_loop_optimize): Test for
12840 -fprefetch-loop-arrays-rtl.
12841 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12842 * timevar.def (TV_TREE_PREFETCH): New timevar.
12843 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12844 pass_loop_prefetch): New.
12845 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12846 (cleanup_tree_cfg_loop): Call scev_reset.
12847 * common.opt (fprefetch-loop-arrays-rtl): Add.
12848 * tree-ssa-loop-prefetch.c: New file.
12849 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12850 (new_temp_expr_table): Initialize expr_vars.
12851 (free_temp_expr_table): Cleanup expr_vars.
12852 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12853 expressions from being merged into one.
12854 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12855 (struct tree_niter_desc): Add control, bound and cmp fields.
12856 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12858 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12859 (tree-cfgcleanup.o): Add SCEV_H dependency.
12860 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12861 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12863 2006-02-14 Richard Guenther <rguenther@suse.de>
12865 PR tree-optimization/26258
12866 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12867 in PHI argument processing.
12869 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12871 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12872 new expression in the requested machine mode.
12874 2006-02-13 Roger Sayle <roger@eyesopen.com>
12876 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12877 directly, instead let do_compare_rtx_and_jump handle this for us.
12878 * expr.c (expand_expr_real_1): Likewise.
12879 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12880 before do_jump_by_parts_greater.
12881 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12882 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12884 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12886 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12888 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12890 PR rtl-optimization/26235
12891 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12892 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12895 2006-02-13 Jeff Law <law@redhat.com>
12897 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12900 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12902 PR middle-end/26092
12903 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12904 twice if decl is a builtin. When trying again, call get_callee_fndecl
12905 first to verify it is still a builtin.
12907 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12909 * dwarf2out.c (base_type_die): Don't add AT_name here.
12910 (subrange_type_die): Don't add AT_name here.
12911 (modified_type_die): Rearrange code flow. Do add AT_name here.
12913 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12915 PR rtl-optimization/26247
12916 PR rtl-optimization/26248
12917 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12919 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12921 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12922 * config/fixtfdi.c: Likewise.
12923 * config/fixunstfdi.c: Likewise.
12924 * config/floatditf.c: Likewise.
12926 2006-02-13 Roger Sayle <roger@eyesopen.com>
12928 PR middle-end/24427
12929 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12930 into (X,C2) if C1 is a subset of the bits of C2. Transform
12931 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12933 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12935 2006-02-13 Josh Conner <jconner@apple.com>
12938 * varasm.c (function_section): Check for section name before
12939 calling select_section on targets that define
12940 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12941 unlikely_text_section instead of hot_function_section if
12942 first_function_block_is_cold.
12944 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12946 PR middle-end/25335
12947 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12949 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12951 PR rtl-optimization/26222
12952 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12953 after tree->rtl expansion.
12954 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12955 before passing it to emit_move_insn.
12957 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12959 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12961 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12962 Clarify documentation.
12963 * c-common.h (warn_write_strings): Remove.
12964 * c-common.c (warn_write_strings): Likewise.
12965 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12968 2006-02-12 Roger Sayle <roger@eyesopen.com>
12970 PR middle-end/25724
12971 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12972 (do_jump_parts_zero_rtx): New function renamed from
12973 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12974 (do_jump_parts_equality_rtx): New function split out from
12975 do_jump_parts_equality. Old implementation renamed as above.
12976 Call do_jump_parts_zero_rtx if either operand is zero.
12977 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12978 do all of the heavy lifting.
12979 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12980 calling either do_jump_by_parts_greater_rtx or
12981 do_jump_by_parts_equality_rtx.
12982 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12983 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12984 moved to do_compare_rtx_and_jump, call it directly.
12985 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12986 mode argument. Call do_compare_rtx_and_jump.
12987 (emit_case_nodes): Update calls to do_jump_if_equal.
12989 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12991 PR rtl-optimization/26225
12992 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12994 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12996 PR rtl-optimization/26232
12997 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12999 2006-02-11 Jason Merrill <jason@redhat.com>
13002 * tree-inline.c (declare_return_variable): Just don't use the
13003 modify target if it's a gimple complex reg and the return slot
13006 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13008 * doc/contrib.texi: Update my entry.
13010 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13012 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13014 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13016 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13019 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13021 * doc/invoke.texi (-floop-optimize2): Removed.
13022 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13023 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13024 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13025 * common.opt (floop-optimize2): Removed.
13026 (fmove-loop-invariants): Enabled by default.
13028 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13030 * tree-if-conv.c (combine_blocks): Free the result of
13031 get_loop_exit_edges.
13033 2006-02-10 Jeff Law <law@redhat.com>
13035 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13037 PR tree-optimization/26213
13038 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13039 loop trying to follow SSA_NAME_VALUE chains.
13041 2006-02-10 Richard Guenther <rguenther@suse.de>
13043 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13044 deal with structures that end in implicitly variable sized arrays.
13046 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13048 PR rtl-optimization/24762
13049 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13052 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13054 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13055 (struct ivopts_data): Add regs_used field.
13056 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13057 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13058 instead of loop_data->regs_used;
13059 (free_loop_data): Do not free aux fields for loops.
13060 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13061 and tree_ssa_iv_optimize_finalize.
13063 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13065 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13067 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13070 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13071 computing the effective result type.
13073 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13075 PR inline-asm/16194
13076 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13077 (tree_overlaps_hard_reg_set): Declare.
13078 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13079 type and signature to match function type expected by walk_tree.
13080 (tree_overlaps_hard_reg_set): New function.
13081 (decl_conflicts_with_clobbers_p): Rename to:
13082 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13083 Use tree_overlaps_hard_reg_set. Changed caller.
13084 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13085 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13086 * cris.c (cris_md_asm_clobbers): Likewise.
13088 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13090 * reload1.c (emit_input_reload_insns): Delete code that tries to
13091 inherit using find_equiv_reg.
13093 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13095 * c-common.h (flag_const_strings): Don't declare.
13096 * c-common.c (flag_const_strings): Remove.
13097 * c.opt (fconst_strings): Remove.
13098 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13099 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13100 (c_common_init_options): Don't set flag_const_strings.
13101 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13103 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13105 * arm.md (tlobits_cbranch): New pattern.
13106 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13107 testing a single bit.
13109 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13112 * tree-ssa-pre.c (create_component_ref_by_pieces):
13113 Handle RETURN_DECL like VAR_DECL.
13115 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13117 PR middle-end/26134
13118 * fold-const.c (fold_indirect_ref_1): Fold
13119 "*(foo *)&complexfoo" to "__real__ complexfoo"
13120 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13122 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13124 * tree-flow-inline.h (var_can_have_subvars):
13125 Volatile variables should not have subvariables.
13127 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13130 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13131 multiplying unsigned values.
13134 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13136 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13138 2006-02-08 Jason Merrill <jason@redhat.com>
13141 * tree.def: Elaborate on difference from MODIFY_EXPR.
13142 * doc/c-tree.texi (INIT_EXPR): Likewise.
13143 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13144 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13145 (gimplify_target_expr): Likewise.
13146 (gimplify_cond_expr): Remove target handling.
13147 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13148 (gimplify_expr): Clobber it here.
13149 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13150 Do return slot optimization if we have an INIT_EXPR.
13153 * tree-inline.c (declare_return_variable): Also clear
13154 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13157 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13159 PR middle-end/22439
13160 * gimplify.c (gimplify_one_sizepos): Fix typo.
13162 2006-02-08 Jeff Law <law@redhat.com>
13164 PR tree-optimization/21417
13165 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13166 across a backedge if the control statement at the end of the
13167 block is data dependent on other statements in the same block.
13168 (record_temporary_equivalences_from_stmts): Remove over-conservative
13169 test for threading across backedges.
13171 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13172 control statement, handle all three special cases in the same
13173 manner as they all have the same desired solution. No longer
13174 special case edge flag updating when the post dominator is
13177 2006-02-08 Roger Sayle <roger@eyesopen.com>
13179 * tree.def (CHAR_TYPE): Remove.
13180 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13181 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13182 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13183 (gen_string_type_die): Delete unreachable function.
13185 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13186 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13187 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13188 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13189 * builtins.c (type_to_class): Likewise.
13190 * fold-const.c (fold_convert, build_range_check,
13191 merge_ranges): Likewise.
13192 * expr.c (count_type_elements): Likewise.
13193 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13194 * stor-layout.c (layout_type): Likewise.
13195 * ipa-type-escape.c (type_to_consider): Likewise.
13196 * gimplify.c (omp_firstprivatize_type_sizes,
13197 gimplify_type_sizes): Likewise.
13198 * explow.c (promote_mode): Likewise.
13199 * tree-sra.c (is_sra_scalar_type): Likewise.
13200 * varasm.c (output_constant): Likewise.
13201 * tree-inline.c (remap_type_1): Likewise.
13202 * convert.c (convert_to_pointer, convert_to_real,
13203 convert_to_integer, convert_to_complex): Likewise.
13205 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13207 * df-scan.c (df_def_record_1): A set destination may
13208 be a parallel regardless of mode.
13210 2006-02-08 Roger Sayle <roger@eyesopen.com>
13213 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13214 * config/mips/_tilib.c: Remove.
13215 * config/fixtfdi.c: New libgcc source file.
13216 * config/fixunstfdi.c: New source file.
13217 * config/floatditf.c: New source file.
13218 * config/floatunditf.c: New souce file.
13219 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13220 files above instead of config/mips/_tilib.c.
13221 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13223 2006-02-08 Jeff Law <law@redhat.com>
13225 PR tree-optimization/26169
13226 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13229 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13231 * df.h (DF_REG_SIZE): Return the length of the initialized
13234 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13236 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13237 __muldf3): Return a correctly signed zero.
13239 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13241 * passes.c (register_one_dump_file): Accept the current properties
13242 instead of pass number. Adjust call to dump_register. Remove
13244 (register_dump_files): Now a wrapper around...
13245 (register_dump_files_1): ... this one. Do not modify the pass
13247 (next_pass_1): Cosmetic fix.
13248 (execute_todo): Keep second parameter only. Use curr_properties
13249 instead of fetching it from the pass structure. Check and set
13251 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13252 instead of fetching it from the pass structure. Fix calls to
13253 execute_todo. Update curr_properties and initialize .vcg RTL dump
13254 after running the pass. Reset last_verified.
13255 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13257 (FIRST_AUTO_NUMBERED_DUMP): New.
13258 (dump_register): Remove "num" parameter, assign it within the
13260 (get_dump_file_name): Modify template for dumps.
13261 * tree-dump.h (dump_register): Adjust prototype.
13262 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13263 (PROP_trees): Add PROP_gimple_lomp.
13264 (TODO_set_props): New.
13265 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13266 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13267 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13269 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13271 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13272 (sparc64-*-linux*): Likewise.
13273 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13274 * config/sparc/t-linux: New file.
13275 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13276 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13277 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13278 -m32 -mlong-double-128.
13280 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13281 * config/alpha/t-linux: New file.
13282 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13284 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13285 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13286 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13287 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13288 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13289 (CPP_ARCH32_SPEC): Remove.
13291 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13293 PR tree-optimization/26145
13294 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13297 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13300 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13301 >= 240000 when generating code for SOM runtime.
13302 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13303 to $$dyncall when generating code for SOM runtime..
13305 2006-02-07 Dirk Mueller <dmueller@suse.com>
13308 * doc/invoke.texi (-Wsequence-point): Update documentation
13309 that -Wsequence-point is implemented for C++ as well.
13311 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13313 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13314 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13315 (LIB_SPEC): Likewise.
13316 * doc/invoke.texi (SPARC options): Document -pthread.
13318 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13320 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13323 2006-02-07 Roger Sayle <roger@eyesopen.com>
13325 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13326 Correct comment describing BOOLEAN_TYPE.
13328 2006-02-07 Dirk Mueller <dmueller@suse.com>
13330 * c.opt: C++ frontend supports -Wdiv-by-zero.
13331 * c-opts.c (c_common_handle_option): Remove dead case.
13333 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13335 * configure.ac (TLS assembler check): Do not enable TLS by
13336 default on SPARC/Solaris before version 10.
13337 * configure: Regenerate.
13339 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13341 * doc/invoke.texi (xl-compat): Document conversion and support
13344 2006-02-07 Jeff Law <law@redhat.com>
13346 * tree-vrp.c (find_conditional_asserts): Update comments.
13347 (simplify_stmt_for_jump_threading): New.
13348 (identify_jump_threads, finalize_jump_threads): New.
13349 (vrp_finalize): Call identify_jump_threads.
13350 (execute_vrp): Call finalize_jump_threads.
13351 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13352 (vrp_element, vrp_data, vrp_element_p): Remove.
13353 (vrp_hash_elt, vrp_variables_stack): Remove.
13354 (vrp_hash, vrp_eq, record_range): Remove.
13355 (simplify_cond_and_lookup_avail_expr): Remove.
13356 (extract_range_from_cond): Remove.
13357 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13358 (simplify_stmt_for_jump_threading): New.
13359 (dom_thread_across_edge): New wrapper.
13360 (tree_ssa_dominator_optimize): No longer initialize or
13361 finalize any of the VRP datastructures. Remove iteration
13362 step and simplify as a result of removal of iteration step.
13363 (pass_dominator): Perform a cfg cleanup after DOM.
13364 (dom_opt_finalize_block): Use the new common routines
13365 for threading jumps. Simplify stack management slightly.
13366 No longer need to unwind VRP state.
13367 (record_equivalences_from_incoming_edge): No longer record
13369 (eliminate_redundant_computations): No longer call
13370 simplify_cond_and_lookup_avail_expr.
13371 * tree-flow.h (potentially_threadable_block): Prototype.
13372 (thread_across_edge): Likewise.
13373 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13374 (tree-ssa-threadedge.o): Add dependencies.
13375 * tree-ssa-threadedge.c: New file.
13376 * passes.c (init_optimization_passes): Merge PHIs before
13377 calling VRP. Run VRP again late in the SSA optimization pipeline.
13379 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13381 * df-core.c (df_set_blocks): Do not dereference function pointers.
13382 (df_finish1): Likewise.
13383 (df_hybrid_search_forward): Likewise.
13384 (df_hybrid_search_backward): Likewise.
13385 (df_iterative_dataflow): Likewise.
13386 (df_analyze_problem): Likewise.
13387 (df_compact_blocks): Likewise.
13388 (df_dump): Likewise.
13389 * df-scan.c (df_rescan_blocks): Likewise.
13390 (df_record_entry_block_defs): Likewise.
13392 * genconditions.c (write_conditions): Guard the definition of
13393 'insn_conditions' with the check on GCC version.
13394 (write_writer): Guard the traversal 'insn_conditions' with
13395 the check on GCC version.
13397 2006-02-07 Richard Guenther <rguenther@suse.de>
13401 2006-01-30 Richard Guenther <rguenther@suse.de>
13403 * gimplify.c (gimplify_target_expr): Handle easy cases
13404 without creating a temporary.
13406 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13408 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13409 use of float in probability computations. Use edge probabilities
13410 in place of statically computed probabilities.
13411 (min_spec_prob): New static variable.
13412 (schedule_insns): Initialize it.
13413 (GET_SRC_PROB): Removed.
13414 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13416 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13419 * config/ia64/unwind-ia64.c: Revert last change.
13420 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13421 (INCOMING_FRAME_SP_OFFSET): Define.
13423 2006-02-06 Roger Sayle <roger@eyesopen.com>
13425 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13427 2006-02-07 Ben Elliston <bje@au.ibm.com>
13429 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13430 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13431 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13432 (ix86_return_in_memory): Handle TDmode.
13433 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13434 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13436 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13438 * reorg.c (dbr_schedule): Use dump_file instead of file.
13440 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13443 * config/ia64/predicates.md (extr_len_operand): New predicate.
13444 * config/ia64/ia64.md (extv): Tighten constraints.
13446 (*tbit_and_2): Ditto.
13447 (*tbit_and_3): Ditto.
13448 (*tbit_or_2): Ditto.
13449 (*tbit_or_3): Ditto.
13450 (*bit_zero): Ditto.
13453 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13456 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13458 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13460 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13461 loop_optimizer_init and loop_optimizer_finalize
13462 * tree-ssa-sink.c (execute_sink_code): Ditto.
13463 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13464 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13465 tree_ssa_loop_done): Ditto.
13466 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13467 * sched-ebb.c: Include output.h.
13468 (schedule_ebbs): Do not use dump argument.
13469 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13470 * loop.c (loop_dump_stream): Removed.
13471 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13473 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13474 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13475 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13476 loop_iterations, strength_reduce, record_biv, record_giv,
13477 final_giv_value, check_final_value, check_ext_dependent_givs,
13478 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13479 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13480 dump_file instead of loop_dump_stream.
13481 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13482 argument dump_file.
13483 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13485 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13486 * haifa-sched.c: Include output.h
13487 (schedule_insns, sched_init): Do not use dump argument.
13488 * mode-switching.c (optimize_mode_switching): Ditto.
13489 * modulo-sched.c (stats_file): Removed.
13490 (print_node_sched_params): Do not call argument dump_file.
13491 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13492 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13494 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13496 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13497 rtl_loop_init, rtl_loop_done): Ditto.
13498 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13499 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13501 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13502 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13503 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13504 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13505 * emit-rtl.c (renumber_insns): Ditto.
13506 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13507 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13508 * regclass.c (regclass): Ditto.
13509 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13510 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13511 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13512 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13514 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13515 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13517 * gcse.c (gcse_file, debug_stderr): Removed.
13518 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13519 rest_of_handle_gcse): Do not use dump argument.
13520 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13521 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13522 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13523 compute_code_hoist_vbeinout, compute_code_hoist_data,
13524 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13525 compute_store_table, build_store_vectors, insert_insn_start_bb,
13526 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13527 store_motion): Use dump_file instead of gcse_file.
13528 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13529 * profile.c (profile_dump_file): Removed.
13530 (branch_prob): Use dump_file instead of profile_dump_file.
13531 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13533 * tree-ssa-copy.c (dump_copy_of): Ditto.
13534 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13535 dump file to life_analysis.
13536 * bt-load.c (branch_target_load_optimize): Ditto.
13537 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13539 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13540 regclass, dbr_schedule): Declaration changed.
13541 * sched-int.h (sched_init): Declaration changed.
13542 * tree-profile.c (tree_profile_dump_file): Removed.
13543 (tree_profile_hooks): Removed profile_dump_file hook.
13544 * rtl-profile (rtl_profile_dump_file): Removed.
13545 (rtl_profile_hooks): emoved profile_dump_file hook.
13546 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13548 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13549 * tree-cfg.c (build_tree_cfg): Ditto.
13550 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13551 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13552 Declaration changed.
13553 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13554 life_analysis and schedule_insns.
13555 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13557 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13559 * config/mips/mips.c (mips_reorg): Ditto.
13560 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13563 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13565 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13566 (s390_mangle_fundamental_type): New.
13567 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13570 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13571 (alpha_mangle_fundamental_type): New.
13572 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13575 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13577 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13579 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13580 (sparc_mangle_fundamental_type): New.
13582 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13584 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13585 (s390x-*-linux*): Likewise.
13586 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13587 * config/s390/t-linux: New file.
13589 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13591 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13592 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13594 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13596 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13597 (ANTIC_SAFE_LOADS): New macro.
13598 (find_or_generate_expression): Add prototype.
13599 (set_contains_value): Allow null set for sake of not always having
13600 to allocate ANTIC_SAFE_LOADS.
13601 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13602 Allow COMPONENT_REF too.
13603 (valid_in_set): Allow COMPONENT_REF.
13604 Check ANTIC_SAFE_LOADS too.
13605 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13606 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13608 (can_PRE_operation): Add COMPONENT_REF.
13609 (create_component_ref_by_pieces): New function.
13610 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13611 (insert_aux): Move AGGREGATE_TYPE_P check here.
13612 (compute_avail): Set bb local stmt uids.
13613 (pass_pre): Use TODO_update_ssa_only_virtuals.
13615 2006-02-06 Ben Elliston <bje@au.ibm.com>
13617 * configure.ac: Unconditionally disable decimal float by default.
13618 * configure: Regenerate.
13620 2006-02-06 Ben Elliston <bje@au.ibm.com>
13622 * read-rtl.c (read_name): Terminate reading on EOF.
13624 2006-02-06 Ben Elliston <bje@au.ibm.com>
13626 * dfp.c (decimal_real_arithmetic): Change second argument type
13627 from int to enum tree_code. Do not always return true, but now
13628 return result of any call to decimal_do helper functions.
13629 * dfp.h (decimal_real_arithmetic): Update prototype.
13631 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13633 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13635 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13638 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13641 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13643 * tree-vrp.c (cfg_loops): Removed.
13644 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13645 Use current_loops instead of cfg_loops. Pass flags to
13646 loop_optimizer_init.
13647 * cfgloopmanip.c (fix_loop_structure): Update only available
13649 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13650 loop_optimizer_init.
13651 * modulo-sched.c (build_loops_structure): Removed.
13652 (sms_schedule): Use loop_optimizer_init.
13653 * loop-init.c (loop_optimizer_init): Use flags to determine
13654 which properties of loops to prepare.
13655 (rtl_loop_init): Pass flags to loop_optimizer_init.
13656 * tree-ssa-sink.c (execute_sink_code): Ditto.
13657 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13658 * tree-ssa-pre.c (init_pre): Ditto.
13659 * cfgloop.h (LOOPS_NORMAL): New.
13660 (loop_optimizer_init): Declaration changed.
13662 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13664 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13665 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13667 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13669 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13671 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13672 * pa/t-pa64: Delete quadlib.c rule.
13673 * pa/x-ada: Revert last change.
13674 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13676 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13678 PR rtl-optimization/26087
13679 * rtlanal.c (canonicalize_condition): Do not cross basic block
13682 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13685 * config/ia64/ia64.c: Include debug.h.
13686 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13687 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13688 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13689 (process_epilogue, process_set, process_for_unwind_directive):
13690 Output unwind info only if requested. Add CFA info if requested.
13691 Add new arguments as needed. Adjust callers.
13692 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13694 (DWARF2_FRAME_INFO): Define to zero.
13695 * config/ia64/unwind-ia64.c: Remove code that compensated for
13696 the CFA offset error fixed above.
13697 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13698 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13699 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13700 -funwind-tables and -fexceptions to enable frame info.
13701 (dwarf2out_frame_init): Define initial CFA even if
13702 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13703 DWARF2_UNWIND_INFO is nonzero, not just defined.
13704 (dwarf2out_frame_finish): Output non-EH call frame info only
13705 if DWARF2_FRAME_INFO is nonzero.
13706 (convert_cfa_to_loc_list,
13707 compute_frame_pointer_to_cfa_displacement): Define even if
13708 unwind info is not supported.
13709 (gen_subprogram_die): Use the above unconditionally. Remove
13710 legacy alternate code.
13711 * toplev.c (compile_file): Compile in call to
13712 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13713 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13715 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13716 Jakub Jelinek <jakub@redhat.com>
13718 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13719 IBM extended float format long double as "g" on powerpc*-linux.
13721 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13724 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13725 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13727 2006-02-03 Jason Merrill <jason@redhat.com>
13730 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13732 PR middle-end/25977
13733 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13734 on the return slot if it's an NRV.
13736 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13738 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13739 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13740 rewrite_use): Do not handle USE_OUTER.
13741 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13742 add_iv_outer_candidates, may_replace_final_value,
13743 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13744 (find_interesting_uses_op): Functionality of
13745 find_interesting_uses_outer_or_nonlin moved here.
13746 (find_interesting_uses_outside): Use find_interesting_uses_op.
13748 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13751 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13753 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13754 Ulrich Weigand <uweigand@de.ibm.com>
13757 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13758 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13759 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13760 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13762 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13763 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13764 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13765 Define secondary reloads for TFmode moves.
13766 (constant_modes): Add TFmode.
13767 (NR_C_MODES): Set to 8.
13768 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13770 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13771 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13772 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13773 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13774 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13775 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13776 (FPR mode macro): Add TFmode.
13777 (DSF mode macro): New.
13778 (<de>, <dee> mode attributes): Removed.
13779 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13780 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13781 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13782 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13783 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13784 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13785 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13786 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13787 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13788 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13789 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13790 "*negabs<mode>2", "sqrt<mode>2"):
13791 Changed <de> to <xde>. R constraint replaced by <Rf>.
13792 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13794 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13795 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13796 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13798 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13799 "extenddftf2", "extendsftf2"): New expanders.
13800 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13801 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13802 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13803 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13805 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13806 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13807 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13808 __floatditf): Add a GCC_4.1.0 symbol version tag.
13809 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13812 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13815 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13816 Use targetm.binds_local_p instead of TREE_PUBLIC.
13818 2006-02-02 Roger Sayle <roger@eyesopen.com>
13820 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13821 on INTEGER_TYPEs to indicate that it denotes a character type.
13822 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13823 signed_char_type_node, unsigned_char_type_node and char_type_node.
13824 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13825 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13826 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13828 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13829 Daniel Berlin <dberlin@dberlin.org>
13831 * tree-tailcall.c (arg_needs_copy_p): New function.
13832 (eliminate_tail_call): Use arg_needs_copy_p.
13833 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13834 (add_virtual_phis): New function.
13836 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13838 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13839 #ignore instead of #scratch for %g7 .register directive.
13841 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13843 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13846 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13848 * flow.c (calculate_global_regs_live): Assert that there aren't any
13851 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13853 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13854 what its name says.
13855 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13856 bsi_after_labels iterator.
13857 * tree-if-conv.c (find_phi_replacement_condition,
13858 replace_phi_with_cond_modify_expr): Likewise.
13859 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13860 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13862 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13864 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13866 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13869 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13870 array after growing it.
13872 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13874 PR middle-end/24901
13875 * fold-const.c (fold_checksum_tree): Change type of buf.
13877 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13879 * reload.c (push_secondary_reload): Initialize t_icode.
13881 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13883 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13884 -msoft-float -mlong-double-128 only issue a warning, but don't
13885 swich to DFmode long double.
13887 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13889 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13890 has a constant equivalent, iterate over equivalents for arg0,
13891 calling simplify_relational_operation and if there's a result
13892 cheaper than X, apply fold_rtx and return the result.
13894 2006-02-01 Jan Hubicka <jh@suse.cz>
13896 * opts.c (no_unit_at_a_time_default): New global variable.
13897 (decode_options): Use it.
13898 * opts.h (no_unit_at_a_time_default): Declare.
13900 2006-02-01 Paul Brook <paul@codesourcery.com>
13902 * function.c (assign_parm_setup_reg): Use function argument promotion
13904 * expr.c (expand_expr_real_1): Use function argument promotion rules
13907 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13909 * gcc.c (process_command): Change j to 'unsigned int'.
13911 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13913 PR middle-end/26001
13914 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13915 Use the corrected index for the character
13916 out of the string constant.
13918 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13920 * mode-switching.c (optimize_mode_switching): Fix size
13921 allocated for bb_info[n_entities].
13923 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13925 * gcc.c (main): Correct type that is allocated for
13926 explicit_link_files.
13928 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13930 * config/s390/s390.c (init_alignment_context): Set
13931 ALIAS_SET_MEMORY_BARRIER on the MEM.
13932 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13934 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13936 PR middle-end/25933
13937 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13939 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13942 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13944 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13945 * regrename.c: Ditto.
13946 * tree-ssa-loop-im.c: Ditto.
13947 * tree-dump.c: Ditto.
13948 * tree-complex.c: Ditto.
13949 * genrecog.c: Ditto.
13950 * tree-ssa-threadupdate.c: Ditto.
13952 * java/class.c: Ditto.
13953 * java/jcf-parse.c: Ditto.
13954 * java/resource.c: Ditto.
13955 * java/except.c: Ditto.
13956 * java/jvspec.c: Ditto.
13957 * java/jcf-write.c: Ditto.
13958 * java/jcf-path.c: Ditto.
13959 * java/gjavah.c: Ditto.
13960 * java/zextract.c: Ditto.
13961 * java/jcf-io.c: Ditto.
13962 * java/jcf.h: Ditto.
13963 * java/buffer.c: Ditto.
13964 * java/lang.c: Ditto.
13965 * java/parse-scan.y: Ditto.
13966 * java/lex.c: Ditto.
13967 * java/lex.h: Ditto.
13968 * cfgloopmanip.c: Ditto.
13969 * postreload-gcse.c: Ditto.
13970 * tree-ssa-loop-manip.c: Ditto.
13971 * postreload.c: Ditto.
13972 * tree-ssa-loop-ch.c: Ditto.
13975 * cppspec.c: Ditto.
13976 * diagnostic.c: Ditto.
13978 * genoutput.c: Ditto.
13980 * cfghooks.c: Ditto.
13981 * cfgloopanal.c: Ditto.
13982 * objc/objc-act.c: Ditto.
13984 * genextract.c: Ditto.
13985 * genautomata.c: Ditto.
13986 * pretty-print.c: Ditto.
13987 * genemit.c: Ditto.
13988 * cgraphunit.c: Ditto.
13990 * df-scan.c: Ditto.
13991 * haifa-sched.c: Ditto.
13992 * dominance.c: Ditto.
13994 * tree-ssa-loop-ivopts.c: Ditto.
13995 * df-core.c: Ditto.
13996 * mode-switching.c: Ditto.
13997 * modulo-sched.c: Ditto.
13999 * ipa-pure-const.c: Ditto.
14001 * fix-header.c: Ditto.
14003 * tree-stdarg.c: Ditto.
14004 * ipa-utils.c: Ditto.
14005 * loop-init.c: Ditto.
14006 * ipa-inline.c: Ditto.
14007 * cfganal.c: Ditto.
14009 * alloc-pool.c: Ditto.
14010 * dwarf2out.c: Ditto.
14012 * genattrtab.c: Ditto.
14013 * tree-ssa-loop-ivcanon.c: Ditto.
14014 * predict.c: Ditto.
14015 * timevar.c: Ditto.
14017 * fortran/gfortranspec.c: Ditto.
14018 * regmove.c: Ditto.
14019 * local-alloc.c: Ditto.
14020 * langhooks.c: Ditto.
14021 * function.c: Ditto.
14022 * tree-vectorizer.c: Ditto.
14024 * ipa-type-escape.c: Ditto.
14026 * tree-if-conv.c: Ditto.
14027 * profile.c: Ditto.
14029 * tree-data-ref.c: Ditto.
14030 * loop-unroll.c: Ditto.
14031 * treelang/treetree.c: Ditto.
14033 * bt-load.c: Ditto.
14034 * ggc-common.c: Ditto.
14036 * coverage.c: Ditto.
14038 * tree-cfgcleanup.c: Ditto.
14039 * tree-ssa-pre.c: Ditto.
14040 * cfgcleanup.c: Ditto.
14041 * loop-invariant.c: Ditto.
14042 * loop-iv.c: Ditto.
14043 * ipa-prop.c: Ditto.
14044 * print-tree.c: Ditto.
14045 * conflict.c: Ditto.
14046 * ggc-page.c: Ditto.
14047 * sched-deps.c: Ditto.
14048 * regclass.c: Ditto.
14049 * tree-object-size.c: Ditto.
14050 * combine.c: Ditto.
14051 * bb-reorder.c: Ditto.
14052 * resource.c: Ditto.
14053 * var-tracking.c: Ditto.
14054 * cfgloop.c: Ditto.
14055 * df-problems.c: Ditto.
14056 * reg-stack.c: Ditto.
14058 * gccspec.c: Ditto.
14059 * sched-rgn.c: Ditto.
14060 * tree-ssa-structalias.c: Ditto.
14061 * tree-ssa-reassoc.c: Ditto.
14062 * config/darwin-c.c: Ditto.
14063 * config/darwin.c: Ditto.
14064 * config/arm/arm.c: Ditto.
14066 * collect2.c: Ditto.
14067 * reload1.c: Ditto.
14069 2006-01-31 Nicolas Pitre <nico@cam.org>
14071 * arm.md (smaxsi3): Make aware of smax_m1.
14074 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14076 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14078 2006-01-31 Richard Guenther <rguenther@suse.de>
14080 * doc/invoke.texi (-msselibm): Document.
14081 * target.h (expand_library_builtin): New target hook.
14082 * builtins.c (expand_builtin): Use expand_library_builtin.
14083 (default_expand_library_builtin): New function.
14084 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14085 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14086 (link_gcc_math_spec): Declare.
14087 (static_specs): Add link_gcc_math_spec.
14088 * expr.h (default_expand_library_builtin): Declare.
14089 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14090 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14091 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14092 * config/i386/i386.opt (msselibm): New target option.
14093 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14094 (ix86_init_sse_abi_builtins): New function.
14095 (ix86_expand_library_builtin): Likewise.
14096 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14097 (override_options): Handle error conditions wrt -msselibm.
14098 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14099 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14100 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14103 2006-01-31 Richard Guenther <rguenther@suse.de>
14104 Paolo Bonzini <bonzini@gnu.org>
14106 * doc/install.texi (--disable-libgcc-math): Document.
14108 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14110 * expr.h (expand_normal): new inline function.
14111 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14112 * dojump.c: use it.
14113 * dwarf2out.c: use it.
14116 * expmed.c: use it.
14117 * except.c: use it.
14118 * config/sparc/sparc.c: use it.
14119 * config/i386/i386.c: use it.
14120 * config/rs6000/rs6000.c: use it.
14121 * config/arm/arm.c: use it.
14122 * config/mips/mips.c: use it.
14123 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14125 2006-01-30 Roger Sayle <roger@eyesopen.com>
14127 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14128 argv to the appropriate type.
14130 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14132 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14135 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14138 * config/s390/s390.c (struct machine_function): New flag
14139 decomposed_literal_pool_addresses_ok_p.
14140 (s390_reorg): Set it before final stage of literal pool transforms.
14141 (s390_decompose_address): Only accept displacements of the form
14142 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14144 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14146 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14147 the comparison routine return.
14149 2006-01-30 Michael Matz <matz@suse.de>
14151 * global.c (find_reg): Only evict for global regs.
14152 Take n_refs into account and dump more info.
14154 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14157 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14158 (pragma_trap, pragma_nosave_low_regs): Likewise.
14159 (current_function_anonymous_args): Likewise.
14160 (sh_deferred_function_attributes): New variable.
14161 (sh_deferred_function_attributes_tail): Likewise.
14162 (print_operand): For '@', look up trap_exit attribute.
14163 (calc_live_regs): Look up trapa_handler attribute. For trapa
14164 handlers, save/restore fpscr, but don't do any other
14165 interrupt-specific saves.
14166 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14167 Fix check for partially saved registers to check for SHmedia.
14168 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14169 (sh_output_function_epilogue): Don't clear any of the removed
14171 (sh_insert_attributes): Don't check pragma_interrupt.
14172 Insert deferred attributes. Check that interrupt attribute is
14173 present for other attributes that require its presence.
14174 (sh_attribute_table): Add new attributes trapa_handler and
14176 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14177 Don't check for pragma_interrupt. Don't store argument.
14178 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14179 (sh_deferred_function_attributes): Declare.
14180 (sh_deferred_function_attributes_tail): Likewise.
14181 * sh.md (sp_switch_1): Add operand. Change generator caller.
14182 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14183 (*return_i): Don't use when trap_exit attribute is in effect.
14184 (*return_trapa): New insn pattern.
14185 * sh-c.c: New file.
14186 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14187 setting c_target_objs and cxx_target_objs.
14188 * t-sh: Add rule for sh-c.o.
14190 2006-01-30 Richard Guenther <rguenther@suse.de>
14193 * gimplify.c (gimplify_target_expr): Handle easy cases
14194 without creating a temporary.
14196 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14198 * vec.h (safe_grow): Remove duplicated line.
14200 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14203 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14204 (expand_omp): ... here.
14205 (expand_omp_parallel): Only remove barriers for combined
14206 parallel+workshare constructs.
14208 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14212 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14213 * tree.c (build_qualified_type): Chain the new type to the original
14214 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14215 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14216 (build_pointer_type_for_mode): Only return unqualified types.
14217 (build_reference_type_for_mode): Likewise.
14219 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14221 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14222 * Makefile.in (CXX_COMPAT_WARN): Define.
14223 * configure: Regenerate.
14225 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14228 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14231 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14233 * toplev.c: Fix thinko.
14235 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14236 Marcin Dalecki <martin@dalecki.de>
14238 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14239 (push_srcloc): Use XNEW.
14240 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14242 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14244 * df-core.c (df_set_blocks): Deleted all variable.
14246 2006-01-28 Ian Lance Taylor <ian@airs.com>
14248 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14249 cgraph_output_pending_asms.
14251 2006-01-28 Zack Weinberg <zackw@panix.com>
14253 * c.opt: Add -W(no-)overlength-strings.
14254 * doc/invoke.texi: Document it.
14255 * c-opts.c (c_common_handle_option): -pedantic implies
14256 -Woverlength-strings, if not explicitly disabled already.
14257 (c_common_post_options): -Woverlength-strings defaults to off, and
14258 is always off for C++.
14259 * c-common.c (fix_string_type): Issue warning about strings longer
14260 than is portable only if warn_overlength_strings. Rearrange code
14261 a little for clarity.
14262 * configure.in: Check for -Wno-overlength-strings as well before
14263 enabling -pedantic in stage 1.
14264 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14265 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14267 * genconditions.c (write_header, write_one_condition)
14268 (write_conditions, write_writer): Consolidate very long strings
14269 that were broken up to fit in C89 portable limit. Don't use
14270 printf when fputs will do.
14272 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14274 * combine.c (simplify_comparison <AND>): Check
14275 TRULY_NOOP_TRUNCATION before start using a subreg.
14277 * config/mips/mips.md (*branch_zero<mode>,
14278 *branch_zero<mode>_inverted, *branch_equality<mode>,
14279 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14280 Remove mode check from comparisons.
14282 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14284 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14286 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14288 * expmed.c (const_mult_add_overflow_p): Remove.
14289 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14291 * recog.c (validate_replace_rtx_subexp): Remove.
14292 * recog.h: Remove the prototype for
14293 validate_replace_rtx_subexp.
14295 * integrate.h: Remove the prototype for
14296 copy_decl_for_inlining.
14297 * rtl.h: Remove the prototype for mark_constant_function.
14298 * tree-vectorizer.h: Remove the prototype for
14299 vect_strip_conversion.
14301 * modulo-sched.c (create_partial_schedule,
14302 free_partial_schedule, reset_partial_schedule): Make them
14305 * hooks.c (hook_bool_rtx_int_false): Remove.
14306 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14308 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14310 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14311 and -mlong-double-128 are incompatible.
14312 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14313 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14314 (TARGET_LIBGCC2_CFLAGS): Define.
14315 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14316 (TARGET_LIBGCC2_CFLAGS): Same.
14317 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14319 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14322 * c-typeck.c (build_binary_op): Perform implicit casts of
14323 operands before shortening them.
14325 * cfgloopmanip.c (split_loop_bb): Remove.
14326 * cfgloop.h: Remove the prototype for split_loop_bb.
14328 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14329 * cfgloop.h: Remove the prototype for
14330 flow_loop_outside_edge_p.
14332 * emit-rtl.c (init_virtual_regs): Make it static.
14333 * function.h: Remove the prototype for init_virtual_regs.
14335 * recog.c (peephole2_optimize): Make it static.
14336 * recog.h: Remove the prototype for peephole2_optimize.
14338 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14340 * df-scan.c (df_record_entry_block_defs): Check if
14341 INCOMING_RETURN_ADDR_RTX is defined.
14343 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14344 Kenneth Zadeck <zadeck@naturalbridge.com>
14346 PR rtl-optimization/24762
14347 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14348 * targhooks.c (hook_void_bitmap): New hook prototype.
14349 * targhoohs.h (hook_void_bitmap): Ditto.
14350 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14351 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14352 * target.h (live_on_entry): New function pointer.
14353 * df-scan.c (df_all_hard_regs): Removed.
14354 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14355 (df_scan_free_internal): Added df->entry_block_defs.
14356 (df_scan_alloc): Ditto.
14357 (df_scan_dump): Ditto.
14358 (df_uses_record): Plumbed flag field properly thru calls.
14359 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14360 This part fixes PR24762.
14361 (df_bb_refs_record): Added code to make the frame and arg
14362 pointers live in EH blocks.
14363 (df_refs_record): Added call to df_record_entry_block_defs.
14364 (df_record_entry_block_defs): New function.
14365 * df-core.c: Added comments to describe new artifical defs.
14366 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14367 (entry_block_defs): New field in struct df.
14368 (df_all_hard_regs): Deleted.
14369 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14370 * df-problems.c (df_ru_bb_local_compute_process_def):
14371 Added code to handle artifical defs in the entry to a function.
14372 (df_ru_bb_local_compute): Ditto.
14373 (df_rd_bb_local_compute_process_def): Ditto.
14374 (df_rd_bb_local_compute): Ditto.
14375 (df_lr_bb_local_compute): Ditto.
14376 (df_ur_bb_local_compute): Ditto.
14377 (df_urec_bb_local_compute): Ditto.
14378 (df_chain_create_bb): Ditto.
14379 (df_ur_local_finalize): Removed entry.
14380 (df_urec_init): Ditto.
14381 (df_urec_local_finalize): Ditto.
14382 (df_ri_bb_compute): Added detection of last use of pseudos.
14383 * Makefile.in (df-scan.o): Updated dependencies.
14384 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14385 * config/mips/mips.c (mips_set_live_on_entry): Added.
14386 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14388 * dce.c (marked_insn_p): Added code to handle artifical defs.
14390 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14392 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14394 (_mm_cvtsi128_si64): Likewise.
14395 (_mm_cvtsd_si64): Likewise.
14396 (_mm_cvttsd_si64): Likewise.
14397 (_mm_cvtsi64_sd): Likewise.
14398 (_mm_cvtsi64_si128): Likewise.
14399 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14400 (_mm_cvtsi64_m64): Likewise.
14401 (_m_to_int64): Likewise.
14402 (_mm_cvtm64_si64): Likewise.
14403 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14404 (_mm_cvttss_si64): Likewise.
14405 (_mm_cvtsi64_ss): Likewise.
14406 (_mm_cvtss_f32): Likewise.
14408 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14410 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14411 for pragma redefine_extname.
14413 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14416 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14417 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14418 -mno-minimal-toc to previous content.
14419 (bispecs): Remove goal.
14420 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14421 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14422 compatibility aliases on powerpc-*-*gnu*.
14423 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14424 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14425 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14426 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14427 (ldblspecs): New goal.
14428 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14429 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14431 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14432 L_sf_to_tf or L_df_to_tf is defined.
14434 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14435 Alan Modra <amodra@bigpond.net.au>
14438 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14439 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14440 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14441 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14442 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14443 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14444 (rs6000_override_options): Initialize rs6000_ieeequad.
14445 Initialize TFmode format to ibm_extended_format if not
14447 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14449 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14450 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14451 (function_arg_advance): IBM long double passed in two FPRs, not
14453 (function_arg): IBM long double passed in FPRs.
14454 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14455 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14456 Only multireg GPR aligned.
14457 (rs6000_init_libfuncs): Enable IBM long double functions if not
14459 (rs6000_generate_compare): Use IBM long double compare if not
14461 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14462 (TARGET_IEEEQUAD): Define.
14463 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14464 not TARGET_IEEEQUAD.
14465 * config/rs6000/rs6000.md: Enable TFmode patterns if
14467 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14468 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14469 and -mlong-double-128 are incompatible.
14470 * doc/invoke.texi (-mabi): Collect options together. Add
14471 ibmlongdouble and ieeelongdouble.
14473 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14475 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14477 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14478 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14479 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14480 * rtl.h (rtunion_def): Remove rt_ptr.
14482 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14483 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14484 * config/i386/winnt.c (i386_pe_mark_dllexport)
14485 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14487 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14489 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14491 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14495 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14496 pthread_key_delete. From John David Anglin. gthrw-ify
14497 pthread_getunique_np only if it it's not a macro. Delete
14499 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14500 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14501 __gthread_objc_condition_signal, __gthread_key_delete): Add
14502 "__attribute__ ((__unused__))" to unused arguments.
14503 (__gthread_recursive_mutex_init_function): Add missing return.
14504 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14505 gthr-posix95.h: Use macro-based approach for name redirection
14506 on targets missing weakref.
14508 2006-01-26 Zack Weinberg <zackw@panix.com>
14510 * genconditions.c (write_header): In generated code, #ifdef out
14511 all includes and fake declarations, except includes of bconfig.h
14512 and system.h, unless GCC_VERSION >= 3001. Do not include
14513 gensupport.h in any case.
14514 (write_conditions): Generate a definition of struct c_test. Add
14515 a comment to the generated #endif.
14516 (write_one_condition): Escape backslashes in string too.
14517 (write_writer): Generated code must escape backslashes and quote
14518 marks (but not newlines) in the strings it writes.
14519 * Makefile.in (build/gencondmd.o): Update dependencies.
14521 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14524 * Makefile.in (insn-automata.o): Add header file dependencies.
14525 * genautomata.c: Add includes.
14527 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14530 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14532 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14534 * configure.ac: Expect target tools paths to be passed from the toplevel
14535 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14537 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14539 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14542 * c.opt (Wpointer-sign): Init to -1.
14543 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14544 OPT_pedantic, to 0 otherwise.
14545 * doc/invoke.texi: Update.
14547 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14549 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14550 constants provided by 80387 instructions in the destination mode.
14552 2006-01-26 Richard Guenther <rguenther@suse.de>
14553 Andrew Pinski <pinskia@physics.uc.edu>
14556 partial PR tree-opt/17064
14557 * tree-ssa-structalias.c (intra_create_variable_infos):
14558 Create heap variables for incoming parameters if
14559 flag_argument_noalias > 1.
14560 (find_what_p_points_to): Look through default defs of
14563 2006-01-26 Jeff Law <law@redhat.com>
14566 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14567 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14568 within the VR_RANGE, use the VR_RANGE as the result, not the
14570 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14571 bounds for the type.
14573 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14575 * tree-ssa-alias.c (maybe_create_global_var): Change
14576 subvar walking to an assertion that we don't have subvar'd variables.
14578 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14581 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14582 Use a new variable, inner. PARM_DECLs are always non-weak.
14584 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14586 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14587 --disable-checking.
14589 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14591 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14593 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14595 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14596 (smax_insn, smin_insn, smax_0, smin_0): New.
14598 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14601 * config/cris/cris.c (cris_order_for_addsi3): New function.
14602 * config/cris/cris-protos.h: Prototype it.
14603 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14604 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14605 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14606 (split for "op.S1 [rx=rx+i],ry (swapped)")
14607 (split for "op(s|u).S1 [rx=rx+i],ry")
14608 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14609 Apply cris_order_for_addsi3 when generating addsi3 insns.
14611 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14613 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14614 (TREE_BLOCK): Add call to EXPR_CHECK.
14616 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14619 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14620 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14621 (dump_omp_clauses): ... here.
14622 (dump_generic_node): Handle OMP_CLAUSE.
14623 * tree.c (omp_clause_num_ops): New.
14624 (omp_clause_code_name): New.
14625 (tree_code_size): Handle OMP_CLAUSE.
14626 (tree_size): Likewise.
14627 (make_node): Document handling of OMP_CLAUSE.
14628 (tree_node_structure): Handle OMP_CLAUSE.
14629 (omp_clause_check_failed): New.
14630 (omp_clause_range_check_failed): New.
14631 (omp_clause_operand_check_failed): New.
14632 (build_omp_clause): New.
14633 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14634 * tree.h (enum omp_clause_code): Declare.
14635 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14636 (OMP_CLAUSE_RANGE_CHECK): Define.
14637 (OMP_CLAUSE_ELT_CHECK): Define.
14638 (omp_clause_check_failed): Declare.
14639 (omp_clause_operand_check_failed): Declare.
14640 (omp_clause_range_check_failed): Declare.
14641 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14642 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14643 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14644 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14645 (OMP_CLAUSE_IF_EXPR): Likewise.
14646 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14647 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14648 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14649 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14650 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14651 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14652 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14653 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14654 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14655 (OMP_CLAUSE_CODE): Define.
14656 (OMP_CLAUSE_SET_CODE): Define.
14657 (OMP_CLAUSE_CODE): Define.
14658 (OMP_CLAUSE_OPERAND): Define.
14659 (struct tree_omp_clause): Declare.
14660 (union tree_node): Add field 'omp_clause'.
14661 * treestruct.def (TS_OMP_CLAUSE): Define.
14662 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14663 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14664 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14665 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14666 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14667 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14668 (OMP_CLAUSE): Define.
14669 * print-tree.c (print_node): Handle OMP_CLAUSE.
14670 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14671 * c-typeck.c: Likewise.
14672 * gimplify.c: Likewise.
14673 * c-omp.c: Likewise.
14674 * tree-nested.c: Likewise.
14675 * tree-inline.c: Likewise.
14676 * c-parser.c: Likewise.
14677 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14680 2006-01-25 Roger Sayle <roger@eyesopen.com>
14682 PR rtl-optimization/25703
14683 * combine.c (try_combine): Handle zero_extract and strict_low_part
14684 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14686 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14688 * global.c: Fix comment typos.
14690 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14693 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14694 Use output_addr_const instead of assemble_name.
14696 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14698 * Makefile.in (sched-vis.o): Update dependencies.
14699 * haifa-sched.c (sched_finish): Clear current_sched_info.
14700 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14701 (dump_flow_info): Call it.
14702 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14704 * basic-block.h (dump_bb_info): Declare.
14705 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14706 option, and apply options only for dump files whose TDF_RTL,
14707 TDF_TREE, or TDF_IPA bits match.
14708 * rtl.h: Declare new functions exported from sched-vis.c.
14709 * sched-vis.c: Enable also if scheduling is not used.
14710 (print_value): Print the mode of registers if not inside scheduling.
14711 (print_insn): Make it work outside the scheduler. Beautify the output
14713 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14715 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14717 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14718 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14719 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14720 depending on the value of CONSTANT_POOL_ADDRESS_P.
14721 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14723 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14724 rather than SYMBOL_REF_DECL.
14725 (rtx_constant_pool): Remove const_rtx_sym_htab.
14726 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14727 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14728 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14729 Remove handling of const_rtx_sym_htab.
14730 (find_pool_constant): Delete.
14731 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14732 rather than find_pool_constant.
14733 (get_pool_constant_for_function): Delete.
14734 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14735 find_pool_constant.
14736 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14737 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14738 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14739 (SYMBOL_REF_CONSTANT): New macro.
14740 (get_pool_constant_for_function): Delete.
14741 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14742 rather than SYMBOL_REF_DECL.
14743 (i386_pe_mark_dllimport): Likewise.
14744 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14745 rather than SYMBOL_REF_DECL.
14746 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14747 (machopic_indirect_call_target): Likewise.
14749 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14751 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14753 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14755 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14757 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14759 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14761 2006-01-24 David Daney <ddaney@avtrex.com>
14764 * configure.ac (enable_tls): New enable option.
14765 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14766 * configure: Regenerate.
14767 * doc/install.texi (--enable-tls): Document new option.
14768 (--disable-tls): Ditto.
14770 2006-01-24 Richard Henderson <rth@redehat.com>
14772 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14773 * alias.c (true_dependence): Respect it.
14774 (canon_true_dependence, write_dependence_p): Likewise.
14775 * builtins.c (get_builtin_sync_mem): Set it.
14777 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14779 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14782 2006-01-24 DJ Delorie <dj@redhat.com>
14784 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14785 for storing constants in single-bit bitfields.
14787 2006-01-25 Ben Elliston <bje@au.ibm.com>
14789 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14791 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14794 * tree-ssa-pre.c (phi_translate): Return NULL
14795 for AGGREGATE_TYPE's.
14797 2006-01-24 Zack Weinberg <zackw@panix.com>
14799 * genautomata.c (process_state_for_insn_equiv_partition):
14800 Use xcalloc for insn_arcs_array.
14801 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14802 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14804 2006-01-24 Richard Henderson <rth@redhat.com>
14806 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14807 update all callers.
14809 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14811 PR rtl-optimization/25890
14812 PR rtl-optimization/25905
14813 * combine.c (expand_compound_operation, expand_field_assignment):
14814 Fail if the bitfield's final position is out of bounds.
14816 2006-01-24 Ian Lance Taylor <ian@airs.com>
14818 PR middle-end/25930
14819 * cgraphunit.c (cgraph_output_in_order): Don't clear
14820 cgraph_asm_nodes until after asm strings have been output.
14822 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14824 * fix-header.c (read_scan_file): Add new parameter imultilib when
14825 calling register_include_chains.
14827 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14829 * omp-low.c: Update documentation.
14831 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14832 Daniel Berlin <dberlin@dberlin.org>
14836 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14837 return from the function.
14839 2006-01-22 Zack Weinberg <zackw@panix.com>
14841 * rtl.def (match_code): Add second argument.
14842 * genpreds.c (write_extract_subexp): New function.
14843 (write_match_code): Add path argument. Use write_extract_subexp.
14844 (write_predicate_expr): Pass path to write_match_code.
14845 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14846 not perform a mode test.
14847 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14848 a subexpression does not constrain the top-level code set.
14849 * read-rtl.c (read_rtx_variadic): New function.
14850 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14851 * doc/md.texi: Document new notation.
14852 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14853 (cmpsi_operand): ... here, using new notation.
14855 2006-01-22 Zack Weinberg <zackw@panix.com>
14857 * varray.c: Remove GENERATOR_FILE #ifdefs.
14859 2006-01-22 Zack Weinberg <zackw@panix.com>
14861 * genautomata.c (output_reserved_units_table): Emit nothing if
14862 description->query_units_num is zero. Remove extra blank line.
14863 (output_cpu_unit_reservation_p): Short circuit
14864 if description->query_units_num is zero.
14866 2006-01-22 Zack Weinberg <zackw@panix.com>
14868 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14869 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14870 nor any of the random handful of variables that used to be necessary
14871 when this program was linked with rtlanal.o. Prune set of forward
14872 function declarations.
14873 (struct attr_desc): Remove static_p field.
14874 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14875 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14876 (attr_string): Do not read the character one past the length of
14878 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14879 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14880 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14881 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14882 (make_automaton_attrs): New.
14883 (main): Do not call into genautomata. Call local gen_bypass
14884 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14885 Remove special case for insn_alts.
14886 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14887 varray.h (leftover from previous change). Prune set of forward
14888 function declarations. Remove state_alts fields from all
14889 structures. Remove state_alts_table from struct automaton.
14890 Make everything except main static. Do not maintain num_dfa_decls.
14891 Do not maintain state_alts fields of various structures.
14892 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14893 (add_arc): Remove state_alts argument. All callers updated.
14894 (output_reserved_units_table): Emit #ifdef here...
14895 (output_tables): ...not here. Don't generate state_alts tables.
14896 (expand_automata): Don't generate attributes.
14897 (write_automata): Don't generate state_alts functions.
14898 (main): New function.
14899 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14900 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14901 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14902 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14903 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14904 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14905 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14906 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14908 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14909 * genattrtab.h: Delete file.
14910 * Makefile.in (OBJS-common): Add insn-automata.o.
14911 (insn-automata.o): New rule.
14912 (simple_generated_c): Add insn-automata.c.
14913 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14914 (genprogmd): Add automata.
14915 (build/genattrtab): Needs no extra objects nor libraries.
14916 (build/genautomata): Needs build/vec.o and -lm.
14918 2006-01-22 Zack Weinberg <zackw@panix.com>
14920 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14921 (output_dfa_max_issue_rate, locked_states_num): Delete.
14922 (struct automaton): Add locked_states field.
14923 (output_dead_lock_vect): Save number of locked states in
14924 automaton->locked_states. If it is zero, don't print anything.
14925 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14926 (output_internal_dead_lock_func): Only test the dead_lock_vect
14927 for automata that have locked states.
14928 (output_statistics): Always print the number of locked states for
14929 each automaton. Calculate total number of locked states here.
14930 (write_automata): Don't call output_dfa_max_issue_rate.
14931 * genattrtab.c: Define length_unit_log as a const variable.
14932 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14933 max_insn_queue_index const.
14934 * final.c (length_unit_log): Declare const.
14935 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14937 2006-01-22 Zack Weinberg <zackw@panix.com>
14939 * genautomata.c: Include vec.h, not varray.h.
14940 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14941 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14942 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14943 VEC_* macros operating on appropriately typed vectors, or to
14944 malloced arrays when the size is known in advance. Const-ify
14945 many char* variables and function arguments. No functional changes.
14946 * Makefile.in (build/varray.o): Delete rule.
14947 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14948 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14950 2006-01-22 Zack Weinberg <zackw@panix.com>
14952 * gensupport.c: Define get_insn_name and record_insn_name here.
14953 (read_md_rtx): Call record_insn_name as appropriate.
14954 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14955 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14956 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14958 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14959 (BUILD_VARRAY): Delete.
14960 (genprognormal): Rename genprogmd. Fold in all programs from
14961 genprognoprint; also attrtab.
14962 (build/genattrtab): Just mention genautomata.o and varray.o.
14963 Reorganize a bit, add comments to make the categories clearer.
14965 2006-01-22 Zack Weinberg <zackw@panix.com>
14967 * genconditions.c (condition_table, add_condition): Delete.
14968 (write_conditions): Don't emit n_insn_conditions nor
14969 insn_elision_unavailable. Issue the gcc version #ifdef here,
14970 inside the table, with no #else clause ...
14971 (write_header): ...not here.
14972 (write_writer): New function.
14973 (main): Don't initialize condition_table. Use add_c_test.
14975 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14976 files on the command line.
14977 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14978 Return -1 if there is no entry in the table, don't abort.
14979 (add_c_test, traverse_c_tests): New functions.
14980 * gensupport.h (insn_elision_unavailable, insn_conditions)
14981 (n_insn_conditions): Delete declarations.
14982 (add_c_test, traverse_c_tests): Declare.
14983 * read-rtl.c: Include gensupport.h.
14984 (read_conditions): New function.
14985 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14986 (read_rtx_1): If we get EOF when we were looking for an initial
14987 open paren, return 0. Call read_conditions when appropriate.
14988 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14989 dummy-conditions.o. Eliminate references to insn-conditions.o,
14990 or change them to build/gencondmd.o, as appropriate. Remove
14991 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14992 from $(simple_generated_c). For all files remaining in those
14993 two lists, add insn-conditions.md to the generator command line.
14994 Give insn-constants.h/s-constants their own rules. Add rules
14995 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14996 (build/read-rtl.o): Depend on gensupport.h.
14997 (genprognormal): Include preds.
14998 (genprogearly): Rename genprognoprint; only difference is now that
14999 they don't link with $(BUILD_PRINT).
15000 * dummy-conditions.c: Delete.
15002 2006-01-22 Zack Weinberg <zackw@panix.com>
15004 * genextract.c: Don't include insn-config.h. Do include vec.h.
15005 Declare vectors of int, char, and locstr.
15006 (locstr): New typedef.
15007 (struct extraction): Make all array fields into bare pointers.
15008 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15009 (insn_code_number): Delete.
15010 (accum_extract): New struct.
15011 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15012 (gen_insn): Take insn_code_number as an argument. Use an
15013 accum_extract structure instead of loading data directly into
15014 a struct extraction, and having to know how big it might get.
15015 (walk_rtx): Operate entirely on an accum_extract structure.
15016 (print_path): Avoid unnecessary use of printf.
15017 (print_header): New function, split out of main. Distinguish
15018 more carefully between an unrecognizable insn and an insn that
15019 has the code number of a define_expand.
15020 (main): Pass insn_code_number to gen_insn. Call print_header
15021 only after parsing. Avoid unnecessary use of printf.
15022 * Makefile.in (build/vec.o): New rule.
15023 (build/genextract): Depend on build/vec.o.
15024 (build/genextract.o): Don't depend on insn-config.h.
15026 2006-01-22 Zack Weinberg <zackw@panix.com>
15028 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15029 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15030 practical. Eliminate per-generator-program link rules.
15032 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15034 PR middle-end/24437
15035 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15036 with a call expr to ...
15037 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15039 2006-01-23 Richard Guenther <rguenther@suse.de>
15041 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15042 before make_edge with conditional EDGE_TRUE_VALUE.
15044 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15045 Jan Hubicka <jh@suse.cz>
15046 Richard Guenther <rguenther@suse.de>
15048 PR rtl-optimization/25654
15049 * cfgexpand.c (aggregate_contains_union_type): New function.
15050 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15051 for structure variables that contain a union type.
15053 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15055 * gengtype.c (new_structure): Return the structure.
15056 (create_option): Add an extra "next" argument.
15057 (create_field): New function.
15058 (adjust_field_rtx_def): Use create_option and create_field.
15059 Remove a now-unnecessary call to find_structure.
15060 (adjust_field_tree_def): Likewise.
15061 (note_yacc_type): Remove an unnecessary call to find_structure.
15062 * gengtype.h (new_structure): Return the structure.
15063 (create_option): Add an extra argument.
15064 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15065 (option): Adjust calls to create_option.
15067 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15069 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15071 2006-01-22 Paul Brook <paul@codesourcery.com>
15072 Peter Barada <peter@the-baradas.com>
15074 * config/m68k/m68k.md: Add Coldfire FPU support.
15075 Define FP mode macro and associated attributes.
15076 Use it for float mode patterns.
15077 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15078 (LIBCALL_VALUE): Use m68k_libcall_value.
15079 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15080 (m68k_function_value): Ditto.
15081 (emit_move_sequence): Ditto.
15082 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15083 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15084 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15085 (MULTILIB_EXCEPTIONS): Ditto.
15086 * config/m68k/m68k.opt: Add mcfv4e.
15087 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15088 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15089 (m68k_output_function_prologue): Save ColdFire FPU registers.
15090 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15091 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15092 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15093 ColdFire FPU registers.
15094 (m68k_libcall_value, m68k_function_value): New functions.
15095 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15096 (LIBCALL_VALUE): Use m68k_libcall_value.
15097 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15098 (MASK_COLDFIRE): Add MASK_CFV4E.
15099 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15100 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15101 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15102 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15103 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15104 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15105 * doc/invoke.tex: Document -mcfv4e on m68k.
15107 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15109 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15112 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15115 * c-opts.c (c_common_handle_option): Don't include
15116 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15117 * doc/invoke.texi (C++ Dialect Options): Document that
15118 -Wnon-virtual-dtor is no longer included in -Wall.
15120 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15122 * gcov.c (print_version), gcov-dump.c (print_version),
15123 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15126 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15128 * df-scan.c (problem_SCAN): Added NULL reset function.
15129 (df_scan_reset_blocks): Added code to call reset block function
15130 (df_bb_refs_delete) Fixed comment.
15131 (df_insn_refs_delete): Made tolerant of deleting non existent info
15132 for dataflow problems that need to be reset.
15133 * df-core.c (df_set_blocks): Ditto.
15134 * df.h (struct df_problem): Added reset_fun.
15135 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15136 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15137 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15138 functions to clear out all references to def-use or use-def chains.
15140 2006-01-21 Ben Elliston <bje@au.ibm.com>
15142 * varasm.c (assemble_real): Initialise data array.
15144 2006-01-20 Paul Brook <paul@codesourcery.com>
15146 Merge from csl-arm-branch.
15147 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15148 * config/arm/arm.md (movdi): Force operands[1] to a register
15149 if we have a non-register source.
15150 (*arm_movdi, *movdf_soft_insn): Require that one of the
15151 operands be a register.
15152 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15153 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15155 2006-01-20 DJ Delorie <dj@redhat.com>
15157 * varasm.c (initializer_constant_valid_p): Allow pointers
15158 initialized from integer constants of lesser precision.
15159 (output_constant): Allow non-int-sized pointer modes to be
15160 initialized from integer constants.
15162 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15165 * cppdefault.h (struct default_include): Add multilib flag.
15166 * cppdefault.c (cpp_include_defaults): Set it.
15167 * c.opt (-imultilib): New option.
15168 * c-opts.c (imultilib): New.
15169 (c_common_handle_option): Handle -imultilib.
15170 (c_common_post_options): Likewise.
15171 * c-incpath.c (add_standard_paths, register_include_chains):
15173 * c-incpath.h (register_include_chains): Add extra parameter.
15174 * gcc.c (do_spec_1): Generate -imultilib option.
15175 (The Specs Language): Update %I description.
15176 (process_command): Update copyright notice.
15177 * doc/cppopts.texi (-imultilib): Document.
15178 * doc/invoke.texi (-imultilib): Include in option summary.
15179 (%I): Update specs documentation.
15181 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15183 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15185 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15187 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15190 2006-01-20 Richard Guenther <rguenther@suse.de>
15191 Steven Bosscher <stevenb.gcc@gmail.com>
15193 PR rtl-optimization/24626
15194 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15195 EDGE_TRUE_VALUE if in RTL mode.
15198 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15199 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15201 2006-01-20 Dirk Mueller <dmueller@suse.com>
15204 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15205 instead of a special NOP marker.
15206 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15207 NOP marker handling.
15208 * c-common.h (empty_body_warning): Add forward declaration.
15209 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15210 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15212 2006-01-20 Paul Brook <paul@codesourcery.com>
15214 * Makefile.in (lang_checks): Keep going if mkdir fails.
15216 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15218 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15219 be able to clean out basic block when not necessary.
15220 (df_scan_free): Fixed to properly delete information if df is
15221 unused before calling df_finish.
15222 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15223 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15225 (df_bb_refs_delete): New function.
15226 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15227 * df-core.c (df_set_blocks): Added code to properly clean out
15228 unused blocks if they are not part of the blocks to consider.
15229 Added additional null check.
15230 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15231 be able to clean out basic block when not necessary
15232 * df.h (df_free_bb_function): Ditto.
15233 (df_bb_refs_delete): New function.
15234 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15235 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15236 basic block parameter to be able to clean out basic block when not
15238 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15239 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15240 Fixed to properly delete information if df is unused before
15243 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15245 PR rtl-optimization/25799
15246 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15247 Corrected confluence operator to remove bits from op2 before oring
15248 with op1 rather than removing bits from op1.
15249 (df_ru_transfer_function): Corrected test on wrong bitmap which
15250 caused infinite loop. Both of these problems were introduced in
15251 the dataflow rewrite.
15253 2006-01-19 DJ Delorie <dj@redhat.com>
15255 * reload1.c (find_reload_regs): Note the details of reload
15256 failures in the dump file.
15257 (spill_failure): Likewise.
15259 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15261 * loop-iv.c: Include df.h and hashtab.h.
15262 (enum iv_grd_result): New enum.
15263 (DF_REF_IV, DF_REF_IV_SET): New macros.
15264 (struct biv_entry): New.
15265 (df, bivs): New global variables.
15266 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15267 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15269 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15270 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15271 analyzed_for_bivness_p, record_biv): New functions.
15272 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15273 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15274 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15276 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15278 (iv_number_of_iterations): Use new interface to iv analysis.
15279 * loop-unroll.c: Do not include varray.h.
15280 (analyze_iv_to_split_insn): Use new interface to iv
15282 * loop-unswitch.c (may_unswitch_on): Ditto.
15283 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15285 (df_bb_modify): Realloc tables to the new index.
15286 (df_find_use): New function.
15287 * df.h (df_find_use): Declare.
15288 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15290 * cfgloop.h (struct rtx_iv): Remove analysed field.
15291 (iv_get_reaching_def): Removed.
15292 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15293 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15294 (loop-iv.o): Add df.h and hashtab.h dependency.
15295 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15297 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15300 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15302 (__floatundisf, __floatundidf): Likewise.
15303 * libgcc2.h (IS_IBM_EXTENDED): Define.
15305 2006-01-19 DJ Delorie <dj@redhat.com>
15307 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15309 2006-01-19 Paul Brook <paul@codesourcery.com>
15311 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15312 as nothrow when unwinding tables are disabled.
15314 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15317 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15318 of bit-field" when in system header.
15320 2006-01-19 DJ Delorie <dj@redhat.com>
15322 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15323 the 16 bit shift limit of the m16c.
15325 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15328 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15329 * config/i386/i386.c (output_set_got): Output the label if we have one
15330 for the TARGET_DEEP_BRANCH_PREDICTION case.
15332 2006-01-19 Jan Hubicka <jh@suse.cz>
15333 H.J. Lu <hongjiu.lu@intel.com>
15334 Evandro Menezes <evandro.menezes@amd.com>
15336 * invoke.texi (generic): Document
15338 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15339 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15340 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15341 (x86_use_incdec, x86_pad_returns): New variables
15342 (TARGET_CPU_DEFAULT_generic): New constant
15343 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15344 (enum processor_type): Add generic32 and generic64.
15345 * i386.md (cpu attribute): Add generic32/generic64
15346 (movhi splitter): Behave sanely when both partial_reg_dependency and
15347 partial_reg_stall are set.
15348 (K8 splitters): Enable for generic as well.
15349 * predicates.md (incdec_operand): Use TARGET_INCDEC
15350 (aligned_operand): Avoid memory mismatch stalls.
15351 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15352 * ppro.md: Enable for generic32
15353 * i386.c (generic64_cost, generic32_cost): New.
15354 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15355 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15356 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15357 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15358 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15359 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15360 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15361 x86_accumulate_outgoing_args, x86_prologue_using_move,
15362 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15363 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15364 Enable for generic.
15365 (x86_use_incdec, x86_pad_returns): New.
15366 (override_options): Add generic32 and generic64, translate "generic"
15367 to generic32/generic64 and "i686" to "generic32", refuse
15368 "generic32"/"generic64" as arch target.
15369 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15370 (ix86_reorg): Honor PAD_RETURNS.
15372 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15374 * tree-pretty-print.c (dump_generic_node): Handle
15375 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15376 * cgraph.c (cgraph_expand_queue): Rename from
15377 cgraph_analyze_queue. Update all users.
15378 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15379 cgraph_expand_queue.
15380 (cgraph_expand_all_functions): Likewise.
15381 (cgraph_finalize_pending_functions): Remove. Update callers.
15383 * tree.h (OMP_DIRECTIVE_P): Define.
15384 (OMP_PARALLEL_FN): Define.
15385 (OMP_PARALLEL_DATA_ARG): Define.
15386 (OMP_SECTIONS_SECTIONS): Define.
15387 * tree-pass.h (pass_expand_omp): Declare.
15388 * omp-low.c (struct omp_region): Declare.
15389 (struct omp_context): Remove fields 'parallel_type',
15390 'parallel_start_ix' and 'parallel_start_additional_args'.
15392 (struct omp_for_data): Rename from struct expand_omp_for_data.
15393 (omp_regions): New static variable.
15394 (root_omp_region): New static variable.
15395 (find_omp_clause): Make static.
15396 (is_in_combined_parallel_ctx): Remove.
15397 (is_combined_parallel): New.
15398 (extract_omp_for_data): Move earlier in the file.
15399 (workshare_safe_to_combine_p): New.
15400 (get_ws_args_for): New.
15401 (determine_parallel_type): Move earlier in the file.
15402 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15404 (omp_copy_decl): Likewise.
15405 (create_omp_child_function): Likewise.
15406 (lookup_omp_region): New.
15407 (dump_omp_region): New.
15408 (debug_omp_region): New.
15409 (debug_all_omp_regions): New.
15410 (new_omp_region): New.
15411 (scan_omp_parallel): If parallel_nesting_level > 1, the
15412 directive is nested within another parallel directive.
15413 Set OMP_PARALLEL_FN.
15414 (scan_omp_for): Do not try to handle combined parallel+for
15416 Remove FIXME comment.
15417 (scan_omp_nested): Remove.
15418 (scan_omp_1): Do not call scan_omp_nested when
15419 parallel_nesting_level is > 1.
15420 Do not change the DECL_CONTEXT of local variables found.
15421 (lookup_decl_in_outer_ctx): New.
15422 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15423 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15424 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15425 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15426 If CTX is nested, lookup VAR in the outer context when
15427 building copy assignment.
15428 (lower_send_clauses): Rename from expand_send_clauses.
15429 If CTX is nested, lookup VAR in the outer context when
15430 building copy assignments.
15431 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15432 If CTX is nested, lookup VAR in the outer context when
15433 building copy assignments.
15434 (expand_parallel_call): Rename from build_parallel_call.
15435 Handle combined parallel+workshare cases.
15436 Re-implement to emit code into the CFG.
15438 (expand_omp_parallel): Re-implement to emit code into the CFG.
15439 Call move_sese_region_to_fn to outline the sub-graph
15440 containing the parallel region.
15441 (expand_omp_for_1): Remove.
15442 (expand_omp_for_generic): Re-implement to emit code into the
15444 (expand_omp_for_static_nochunk): Likewise.
15445 (expand_omp_for_static_chunk): Likewise.
15446 (expand_omp_for): Likewise.
15447 (expand_omp_sections): Likewise.
15448 (remove_exit_barriers): New.
15449 (expand_omp_synch): New.
15451 (build_omp_regions_1): New.
15452 (build_omp_regions): New.
15453 (execute_expand_omp): New.
15454 (gate_expand_omp): New.
15455 (pass_expand_omp): Define.
15456 (lower_omp_sections): Rename from expand_omp_sections.
15457 Set OMP_SECTIONS_SECTIONS.
15458 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15459 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15460 (lower_omp_single): Rename from expand_omp_simple.
15461 (lower_omp_master): Rename from expand_omp_master.
15462 (lower_omp_ordered): Rename from expand_omp_ordered.
15463 (lower_omp_critical): Rename from expand_omp_critical.
15464 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15465 (lower_omp_for): Re-implement.
15466 (lower_omp_parallel): Re-implement.
15467 (lower_regimplify): Rename from expand_regimplify.
15468 (lower_omp_1): Rename from expand_omp_1.
15469 If there are syntax errors in the program, replace every
15470 OpenMP directive with NOP.
15471 Call lower_omp_* instead of expand_omp_*.
15472 (lower_omp): Rename from expand_omp.
15474 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15475 * tree-gimple.h (enum omp_parallel_type): Remove.
15476 (gimple_boolify): Declare extern.
15477 (find_omp_clause, determine_parallel_type): Remove.
15479 * gimple-low.c (lower_omp_directive): New.
15480 (lower_stmt): Call it.
15481 (record_vars_into): Move from ...
15482 (record_vars): ... here.
15483 Call record_vars_into with current_function_decl.
15485 * gimplify.c (struct gimplify_ctx): Remove fields
15486 combined_pre_p and combined_ctxp. Update users.
15487 (get_formal_tmp_var): Add documentation.
15488 (gimple_boolify): Make extern.
15489 (gimplify_expr_in_ctx): Remove. Update callers.
15490 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15491 will always be a BIND_EXPR.
15492 (gimplify_expr): Handle OMP_RETURN_EXPR.
15493 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15494 (OMP_PARALLEL): Add 3 operands.
15495 (OMP_SECTIONS): Add 1 operand.
15496 (OMP_RETURN_EXPR): Define.
15498 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15499 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15500 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15501 creating a circular free list.
15502 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15504 * tree-flow.h (move_sese_region_to_fn): Declare.
15505 (record_vars_into): Declare.
15506 * tree-cfg.c (make_omp_sections_edges): New.
15507 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15508 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15509 OMP_SECTIONS and OMP_SECTION.
15510 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15511 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15512 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15513 (gather_blocks_in_sese_region): New.
15514 (struct move_stmt_d): Declare.
15515 (move_stmt_r): New.
15516 (move_block_to_fn): New.
15517 (move_sese_region_to_fn): New.
15519 * passes.c (init_optimization_passes): Schedule
15520 pass_expand_omp after pass_init_datastructures.
15522 * tree-ssa-operands.c (get_expr_operands): Handle
15523 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15524 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15526 2006-01-19 Jeff Law <law@redhat.com>
15528 * tree-vrp.c (extract_range_from_assert): Refine the result range
15529 if the variable referenced by the ASSERT_EXPR has a range and
15530 either the tentative result range or the previous range is a
15533 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15535 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15537 2006-01-19 Jan Hubicka <jh@suse.cz>
15539 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15541 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15543 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15544 (expand_compound_operation, expand_field_assignment): Fail if the
15545 bit lengths of an extract operation are out of range.
15546 (make_extraction): Compute wanted_inner_mode based on the position
15547 and length of the extraction. Make it extraction_mode for non-constant
15548 positions, and do not modify offset in that case. When generating a
15549 new MEM, use a mode that can hold the extraction while keeping correct
15550 alignment. Remove code that supported MEMs wrapped by USEs.
15551 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15553 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15555 * config/s390/s390.md ("Y", "y"): New mode attribute.
15556 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15557 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15558 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15559 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15560 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15561 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15562 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15563 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15564 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15565 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15566 "addsi3", "subsi3"): Insn patterns removed.
15567 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15568 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15569 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15570 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15571 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15572 "*sub<mode>3_cconly2"): New insn patterns.
15573 ("addsi3", "subsi3"): New expanders.
15575 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15577 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15578 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15579 existing STMT_VINFO_VECTYPE if available.
15580 (vect_mark_relevant): Add special handling for stmts that are
15581 marked as STMT_VINFO_IN_PATTERN_P.
15582 (vect_analyze_loop): Call vect_pattern_recog.
15583 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15584 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15586 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15587 (vect_recog_func_ptr): New function-pointer type.
15588 * tree-vect-patterns.c: New file.
15589 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15590 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15591 (vect_pattern_recog_1): New functions.
15592 (vect_pattern_recog_funcs): New array of function pointers.
15594 * tree-vectorizer.h (ternary_op): New enum value.
15595 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15596 declaration. Revised documentation. Removed redundant dump prints.
15597 Removed redundant argument. Added support for reduction patterns.
15598 (vectorizable_reduction): Added support for reduction patterns.
15599 (vect_transform_stmt): Added support for patterns.
15601 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15602 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15603 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15604 (expand_widen_pattern_expr): New function.
15605 (init_optabs): Initialize new optabs udot_prod_optab,
15607 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15608 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15609 (expand_widen_pattern_expr): New function declaration.
15610 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15612 * tree-inline.c (estimate_num_insns_1): Added cases for new
15613 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15614 * tree-pretty-print.c (dump_generic_node): Likewise.
15615 (op_prio): Likewise.
15616 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15617 * tree-ssa-operands.c (get_expr_operands): Added case for
15619 * tree-vect-patterns.c (widened_name_p): New function.
15620 (vect_recog_dot_prod_pattern): Added function implementation.
15621 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15622 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15623 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15624 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15626 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15627 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15628 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15629 (init_optabs): Initialize new optabs widen_ssum_optab,
15631 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15632 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15633 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15634 use instead of type of def.
15635 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15636 function implementation.
15637 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15638 widen_ssumv8hi): New.
15640 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15643 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15646 * c-decl.c (add_flexible_array_elts_to_size): New function.
15647 (finish_decl): Use it.
15649 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15651 * diagnostic.h: Include options.h.
15652 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15653 dependancies for diagnostic.h.
15654 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15656 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15658 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15659 (ssa_ro_call_cache_valid): Ditto.
15660 * tree-ssa-alias.c (sort_tags_by_id): New function.
15661 (init_transitive_clobber_worklist): Ditto.
15662 (add_to_worklist): Ditto.
15663 (mark_aliases_call_clobbered): Ditto.
15664 (compute_tag_properties): Ditto.
15665 (set_initial_properties): Ditto.
15666 (compute_call_clobbered): Ditto.
15667 (compute_may_aliases): Call compute_call_clobbered and grouping.
15668 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15669 (compute_flow_insensitive_aliasing): Grouping now happens in our
15671 (setup_pointers_and_addressables): Remove clobbering related code.
15672 (add_may_alias): Ditto.
15673 (replace_may_alias): Ditto.
15674 (get_nmt_for): Ditto.
15675 (create_global_var):
15676 (is_escape_site): Return an escape_type enumeration.
15677 * tree-flow-inline.h (is_call_clobbered): Global var does not
15678 imply call clobbered.
15679 (mark_call_clobbered): Take a reason for marking this. Remove
15680 marking of globalness, and cache invalidation.
15681 (clear_call_clobbered): Remove cache invalidation code.
15682 * tree-dfa.c (dump_variable): If details is on, dump the reason
15684 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15686 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15687 (struct var_ann_d): Ditto.
15688 (enum escape_type): New.
15689 (mark_call_clobbered): Adjust prototype.
15690 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15691 are never call clobbered.
15692 Record reasons for escaping.
15693 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15694 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15695 (ssa_ro_call_cache_valid): Ditto.
15696 (clobbered_v_may_defs): Ditto.
15697 (clobbered_vuses): Ditto.
15698 (ro_call_vuses): Ditto.
15699 (clobber_stats): New.
15700 (init_ssa_operands): Zero out clobber stats.
15701 (fini_ssa_operands): Print out clobber stats.
15702 (get_call_expr_operands): Pass callee fndecl to
15703 add_call_read_ops).
15704 (add_call_clobber_ops): Remove use of cache.
15705 Add use of PURE_CONST information.
15706 (add_call_read_ops): Remove use of cache.
15707 Add use of static not_read information.
15709 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15711 Introduce TLS descriptors for i386 and x86_64.
15712 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15713 (TARGET_ANY_GNU_TLS): New macro.
15714 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15715 (struct machine_function): Add tls_descriptor_call_expanded_p.
15716 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15717 (ix86_current_function_calls_tls_descriptor): Likewise.
15718 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15719 (override_options): Introduce gnu2 tls dialect.
15720 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15722 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15724 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15725 (ix86_init_machine_status): Initialize new field.
15726 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15727 (ix86_tls_module_base): New.
15728 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15729 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15730 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15731 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15732 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15733 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15734 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15735 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15736 * config/i386/predicates.md (tls_modbase_operand): New.
15737 (tp_or_register_operand): New.
15739 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15741 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15742 (look_for_address_of): Ditto.
15743 (ipa_init): Walk the function decls.
15744 (static_execute): Don't set readonly on FUNCTION_DECL's.
15746 2006-01-18 Roger Sayle <roger@eyesopen.com>
15748 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15749 for shifts where the source and destination registers are different.
15751 2006-01-18 Paul Brook <paul@codesourcery.com>
15753 Merge from csl-arm-branch.
15754 2005-03-14 Julian Brown <julian@codesourcery.com>
15755 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15756 (aeabi_llsl): Likewise.
15757 (ashrdi3): Likewise.
15758 (aeabi_lasr): Likewise.
15759 (lshrdi3): Likewise.
15760 (aeabi_llsr): Likewise.
15761 2005-03-10 Julian Brown <julian@codesourcery.com>
15762 * config.gcc: Disable shared libgcc for SymbianOS.
15763 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15765 2006-01-18 DJ Delorie <dj@redhat.com>
15767 * c-pragma.c (handle_pragma_diagnostic): New.
15768 (init_pragma): Register it.
15769 * doc/extend.texi: Document it.
15771 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15772 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15773 (diagnostic_context): Add classify_diagnostic[].
15774 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15775 as errors if they're overridden to DK_WARNING.
15776 (diagnostic_initialize): Initialize classify_diagnostic[].
15777 (diagnostic_set_kind_override): New.
15778 (diagnostic_report_diagnostic): Check for kind changes.
15779 * opts.c (common_handle_option): Take lang_mask. Update callers.
15780 Handle OPT_Werror_.
15781 * common.opt (Werror=): New.
15782 * doc/invoke.texi: Document -Werror=*
15784 2006-01-18 Jeff Law <law@redhat.com>
15786 * tree-vrp.c (test_for_singularity): Correct test for new
15787 min limit. Use operand_equal_p rather than pointer equality
15788 for testing if new min/max values are equal.
15790 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15791 using range information until after propagation and folding.
15793 2006-01-18 Richard Henderson <rth@redhat.com>
15794 Aldy Hernandez <aldyh@redhat.com>
15795 Jakub Jelinek <jakub@redhat.com>
15796 Diego Novillo <dnovillo@redhat.com>
15798 * omp-low.c: New file.
15799 * c-omp.c: New file.
15801 2006-01-18 Richard Henderson <rth@redhat.com>
15802 Jakub Jelinek <jakub@redhat.com>
15803 Diego Novillo <dnovillo@redhat.com>
15805 * doc/invoke.texi: Document -fopenmp.
15806 * tree-dump.h (debug_function): Declare.
15807 * hooks.c (hook_bool_tree_bool_false): New function.
15808 (hook_tree_tree_null): Remove.
15809 (hook_tree_tree_tree_null): New.
15810 * hooks.h: Update to match.
15811 * tree-pretty-print.c (debug_tree_chain): New.
15812 (print_generic_expr): Handle TDF_CHAIN.
15813 (dump_generic_node): Handle BLOCK.
15814 Do not abort with incomplete SWITCH_EXPRs.
15815 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15816 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15817 print space after directive name.
15818 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15819 Handle OMP_MASTER and OMP_ORDERED.
15820 Handle printing of OMP_BODY just in one place, goto
15821 dump_omp_body in the rest of OMP_* nodes that have
15823 Don't handle clause nodes here. Update omp statements to
15824 use dump_omp_clauses.
15825 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15826 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15827 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15828 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15829 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15830 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15831 Adjust output for GOMP_PARALLEL.
15832 (dump_omp_clauses): New.
15833 (print_declaration): Dump DECL_VALUE_EXPR.
15834 (op_symbol_1): Split out of op_symbol.
15835 (dumping_stmts): Remove. Update all users.
15836 * cgraph.c (cgraph_analyze_queue): New.
15837 (cgraph_add_new_function): New.
15838 * cgraph.h (cgraph_analyze_queue): Declare.
15839 (cgraph_add_new_function): Declare.
15840 (cgraph_lower_function): Remove.
15841 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15842 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15843 and TYPE_P nodes in its default clause.
15844 (empty_body_p): New.
15845 (tree_range_check_failed): New.
15846 (build5_stat): New.
15847 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15848 OMP_CLAUSE_REDUCTION_MERGE,
15849 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15850 OMP_CLAUSE_PRIVATE_DEBUG,
15851 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15852 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15853 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15854 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15855 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15856 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15857 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15858 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15859 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15860 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15861 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15862 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15863 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15864 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15865 (TREE_RANGE_CHECK): New.
15866 (empty_body_p): Declare.
15867 (enum omp_clause_default_kind): New.
15868 (build_string_literal): Declare.
15869 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15870 (build5_stat, build5): Declare.
15871 * tree-pass.h (TDF_CHAIN): Define.
15872 * tree-pass.h (PROP_gimple_lomp): Define.
15873 (pass_lower_omp): Declare.
15874 * diagnostic.h (debug_tree_chain): Declare.
15875 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15877 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15878 * builtins.c (build_string_literal): Make extern.
15879 * gcc.c (include_spec_function): New.
15880 (static_spec_functions): Add it.
15881 (main): Move load of libgomp.spec ...
15882 (LINK_COMMAND_SPEC): ... here.
15883 (link_gomp_spec): New.
15884 (static_specs): Include it.
15885 (LINK_COMMAND_SPEC): Add link_gomp.
15886 (GOMP_SELF_SPECS): New.
15887 (driver_self_specs): Include it.
15888 (switch_matches): Don't mark inline.
15889 (main): Load libgomp.spec.
15890 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15891 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15892 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15893 * tree-gimple.h (enum omp_parallel): Declare.
15894 (determine_parallel_type): Declare.
15895 (omp_firstprivatize_variable): Declare.
15896 (omp_reduction_init): Declare.
15897 (diagnose_omp_structured_block_errors): Declare.
15898 (struct walk_stmt_info): Add want_return_expr.
15899 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15900 (find_omp_clause): Declare.
15901 (insert_field_into_struct): Declare.
15902 (struct walk_stmt_info): Move from tree-nested.c
15903 (walk_stmts): Declare.
15904 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15906 * cgraphunit.c (cgraph_lower_function): Make static.
15907 (cgraph_finalize_pending_functions): New.
15908 (cgraph_finalize_function): Call it.
15909 (cgraph_finalize_compilation_unit): Likewise.
15910 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15911 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15912 (BT_FN_UINT_UINT): New.
15913 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15914 DEF_FUNCTION_TYPE_VAR_4): Document.
15915 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15916 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15917 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15918 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15919 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15920 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15921 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15922 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15923 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15924 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15925 into separate files.
15926 (DEF_GOMP_BUILTIN): New.
15927 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15928 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15929 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15930 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15931 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15932 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15933 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15934 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15935 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15936 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15937 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15938 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15939 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15940 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15941 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15942 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15943 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15944 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15945 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15946 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15947 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15948 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15949 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15950 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15951 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15952 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15953 * sync-builtins.def: New file, moved from builtins.def.
15954 * omp-builtins.def: New file, moved from builtins.def.
15955 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15956 * gimple-low.c (lower_function_body): Clear data.
15957 (lower_stmt): Do not handle COMPOUND_EXPR.
15958 Remove call to print_node_brief.
15959 * c-tree.h (c_finish_omp_clauses): New prototype.
15960 (C_DECL_THREADPRIVATE_P): Define.
15961 (lookup_name_no_remap, c_omp_remap_private): Remove
15962 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15963 (check_for_loop_decls): Update decl.
15964 (lookup_name_no_remap, c_omp_remap_private): Declare.
15965 (build_indirect_ref, build_modify_expr, pushdecl,
15966 pushdecl_top_level): Move to c-common.h.
15967 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15968 before the switch, but just in the 2 places that need it.
15969 * c-decl.c (diagnose_mismatched_decls): Do not check for
15970 mismatched thread-local attributes when OLDDECL is marked
15971 threadprivate and NEWDECL has no thread-local attributes.
15972 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15973 (c_gimple_diagnostics_recursively): Rename from
15974 c_warn_unused_result_recursively. Invoke
15975 diagnose_omp_structured_block_errors.
15976 (check_for_loop_decls): Return a singular decl found.
15977 * langhooks.c (lhd_omp_predetermined_sharing): Return
15978 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15979 (lhd_omp_firstprivatize_type_sizes): New.
15980 (lhd_omp_assignment): New.
15981 (lhd_omp_predetermined_sharing): New.
15982 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15983 (struct lang_hooks_for_types): Add
15984 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15985 omp_predetermined_sharing, omp_disregard_value_expr,
15986 omp_private_debug_clause, omp_clause_default_ctor,
15987 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15988 (c_finish_omp_clauses): New.
15989 (c_finish_bc_stmt): Diagnose break within omp for.
15990 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15991 (build_unary_op): Return error_mark after reporting
15993 (build_modify_expr): Likewise.
15994 * gimplify.c: Include optabs.h and pointer-set.h.
15995 (enum gimplify_omp_var_data): Declare.
15996 (struct gimplify_omp_ctx): Declare.
15997 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15999 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16000 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16001 (splay_tree_compare_decl_uid): New.
16002 (new_omp_context): New.
16003 (delete_omp_context): New.
16004 (gimple_add_tmp_var): Call omp_add_variable.
16005 (gimplify_bind_expr): Likewise.
16006 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16007 true, disregard DECL_VALUE_EXPR on the decl if any.
16008 (gimplify_expr_in_ctx): New.
16009 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16010 omp_add_variable, omp_notice_variable, omp_is_private
16011 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16012 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16013 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16014 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16015 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16016 gimplify_omp_atomic): New.
16017 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16018 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16019 OMP_CRITICAL and OMP_ATOMIC.
16020 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16021 * c-pragma.h (enum pragma_kind): Add
16022 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16023 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16024 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16025 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16026 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16027 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16028 PRAGMA_OMP_THREADPRIVATE.
16029 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16030 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16031 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16032 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16033 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16034 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16035 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16036 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16037 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16038 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16039 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16040 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16041 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16043 (struct nesting_info): Add field_map,
16044 suppress_expansion, debug_var_chain.
16045 (create_nesting_tree): Initialize them.
16046 (lookup_field_for_decl): Use field_map.
16047 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16048 (convert_local_omp_clauses): New.
16049 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16050 (walk_body): Split out of walk_function.
16051 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16052 (convert_nonlocal_reference): Handle omp statements.
16053 (convert_local_reference): Likewise.
16054 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16055 (unnest_nesting_tree): New.
16056 (lower_nested_functions): Call it.
16057 (insert_field_into_struct): Make extern.
16058 (struct walk_stmt_info): Move to tree-gimple.h.
16059 (walk_stmts): Make extern.
16060 * omp-builtins.def: New file.
16061 * tree-iterator.c (expr_only): Clarify comment.
16062 * c-common.h (pushdecl_top_level, pushdecl,
16063 build_modify_expr, build_indirect_ref,
16064 c_finish_omp_master, c_finish_omp_critical,
16065 c_finish_omp_ordered, c_finish_omp_barrier,
16066 c_finish_omp_atomic, c_finish_omp_flush,
16067 c_finish_omp_for, c_split_parallel_clauses,
16068 omp_clause_default_kind, c_omp_sharing_predetermined,
16069 c_omp_remap_decl): Declare.
16070 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16071 (OBJS-common): Add omp-low.o.
16072 (c-omp.o, omp-low.o): Add.
16073 (gimplify.o): Add dependency on $(OPTABS_H).
16074 (GTFILES): Add omp-low.c.
16075 (gt-stringpool.h): Add.
16076 * tree-cfg.c (set_bb_for_stmt): Do not update the
16077 block-to-labels map if we are currently expanding to RTL.
16078 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16080 Handle IDENTIFIER_NODE.
16081 (tree_verify_flow_info): Do not ICE when emitting error
16082 messages about invalid labels.
16083 (dump_function_to_file): Reset CFUN before emitting the body
16085 (debug_function): New.
16086 * passes.c (init_optimization_passes): Schedule
16088 * langhooks-def.h (lhd_omp_predetermined_sharing,
16089 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16091 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16092 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16093 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16094 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16095 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16096 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16097 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16098 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16099 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16100 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16101 (LANG_HOOK_DECLS): Use them.
16103 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16104 Richard Henderson <rth@redhat.com>
16105 Jakub Jelinek <jakub@redhat.com>
16106 Diego Novillo <dnovillo@redhat.com>
16108 * c-parser.c (pragma_omp_clause): Define.
16109 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16110 (c_parser_compound_statement): Likewise.
16111 (c_parser_statement): Likewise.
16112 (c_parser_pragma): Handle omp pragmas.
16113 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16114 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16115 (c_parser_omp_clause_name, check_no_duplicate_clause,
16116 c_parser_omp_variable_list,
16117 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16118 c_parser_omp_clause_copyprivate,
16119 c_parser_omp_clause_default,
16120 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16121 c_parser_omp_clause_lastprivate,
16122 c_parser_omp_clause_nowait,
16123 c_parser_omp_clause_num_threads,
16124 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16125 c_parser_omp_clause_reduction,
16126 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16127 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16128 c_parser_omp_atomic, c_parser_omp_barrier,
16129 c_parser_omp_critical, c_parser_omp_flush,
16130 c_parser_omp_for_loop, c_parser_omp_for,
16131 c_parser_omp_master, c_parser_omp_ordered,
16132 c_parser_omp_sections_scope, c_parser_omp_sections,
16133 c_parser_omp_parallel, c_parser_omp_single,
16134 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16135 * c-pragma.c (init_pragma): Do omp pragma registration here.
16136 * c.opt (fopenmp): New flag.
16138 2006-01-18 Eric Christopher <echristo@apple.com>
16140 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16141 * config/darwin.h (GOMP_SELF_SPECS): Define.
16143 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16145 * rtl.h: Remove the prototype for reg_alloc.
16147 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16150 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16151 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16152 sjlj and dwarf2 exception handling.
16153 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16154 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16155 * pa/pa.c (function_value): Treat complex and vector types as
16157 (function_arg): Likewise. Only pass scalar floats in the floating
16158 point argument registers.
16159 * pa/t-slibgcc-dwarf-ver: New file.
16160 * pa/t-slibgcc-sjlj-ver: New file.
16161 * pa/t-slibgcc-elf-ver: Delete file.
16163 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16165 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16166 unlikely_test_section_p test.
16168 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16170 * mode-switching.c (optimize_mode_switching): Make it static.
16171 * basic-block.h: Remove the prototype for
16172 optimize_mode_switching.
16174 * modulo-sched.c (sms_schedule): Make it static.
16175 * rtl.h: Remove the prototype for sms_schedule.
16177 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16178 * rtl.h: Remove the prototype for gcse_after_reload_main.
16180 * reg-stack.c (reg_to_stack): Make it static.
16181 * rtl.h: Remove the prototype for reg_to_stack.
16183 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16185 * rtl.h: Remove the prototypes for regrename_optimize and
16186 copyprop_hardreg_forward.
16188 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16190 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16191 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16192 Test against the appropriate null constant for the mode.
16193 If 'fixup_overlap' is true, swap the operands if they overlap.
16194 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16195 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16196 alpha_split_tmode_pair and adjust for above change.
16197 * config/alpha/alpha.md (movtf_internal): Adjust call to
16198 alpha_split_tfmode_pair and rely on it to swap the operands.
16199 (movti_internal): New insn and post-reload splitter.
16200 (movti): New expander.
16202 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16204 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16207 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16209 * rtlanal.c (global_reg_mentioned_p_1,
16210 global_reg_mentioned_p): Remove.
16211 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16213 * flow.c (initialize_uninitialized_subregs): Make it static.
16214 * rtl.h: Remove the prototype for
16215 initialize_uninitialized_subregs.
16217 * function.c (instantiate_virtual_regs): Make it static.
16218 * function.h: Remove the prototype for
16219 instantiate_virtual_regs.
16221 * regmove.c (regmove_optimize, combine_stack_adjustments):
16223 * rtl.h: Remove the prototypes for regmove_optimize and
16224 combine_stack_adjustments.
16226 2006-01-17 Roger Sayle <roger@eyesopen.com>
16228 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16229 (size_cost): Encode costs in bytes so that a reg-reg addition is
16230 equivalent to COSTS_N_INSNS(1).
16231 (override_options): Use the size_cost.branch_cost as the default
16232 ix86_branch_cost when optimizing for size.
16234 2006-01-18 Ben Elliston <bje@au.ibm.com>
16236 * Makefile.in (D32PBIT_FUNCS): New.
16237 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16238 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16239 D64PBIT_FUNCS and D128PBIT_FUNCS.
16240 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16241 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16243 (decnumber_dep): Define.
16244 * doc/libgcc.texi (Decimal float library routines): New node.
16245 * config/dfp-bit.h, config/dfp-bit.c: New files.
16247 2006-01-18 Ben Elliston <bje@au.ibm.com>
16249 * expr.c (emit_move_change_mode): Always adjust addresses, not
16250 just during reload. Copy replacements only during reload.
16251 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16252 emit_move_via_integer.
16254 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16256 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16257 instead of $(srcdir) and ${srcdir}.
16259 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16262 PR middle-end/11135
16263 * arm.h (struct machine_function): Add pic_reg.
16264 * arm.c (arm_pic_register): Make unsigned.
16265 (arm_override_options): Only set arm_pic_register if
16266 TARGET_SINGLE_PIC_BASE.
16267 (use_return_insn): Only test for a pic register if it is fixed.
16268 (arm_compute_save_reg0_reg12_mask): Likewise.
16269 (thumb_compute_save_reg_mask): Likewise.
16270 (legitimate_pic_operand): Factor out some known invariants.
16271 (legitimize_pic_address): If we don't have a fixed pic register,
16272 then set up a pseudo in the function entry sequence. Handle the
16273 pic base being in a pseudo.
16274 (arm_load_pic_register): Handle the pic register being in a pseudo.
16275 (arm_expand_prologue): Only set up the pic register if it is fixed.
16276 (thumb_expand_prologue): Likewise.
16277 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16278 (pic_load_addr_based_insn): Likewise.
16279 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16282 2006-01-18 Ben Elliston <bje@au.ibm.com>
16284 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16285 decimal float modes for all floating point registers.
16287 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16288 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16290 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16293 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16294 even when the pointer is not NULL.
16296 2006-01-16 Ian Lance Taylor <ian@airs.com>
16298 * common.opt (ftoplevel-reorder): New option.
16299 * cgraph.c (cgraph_asm_nodes): New global variable.
16300 (cgraph_asm_last_node): New static variable.
16301 (cgraph_order): New global variable.
16302 (cgraph_create_node): Set new order field.
16303 (cgraph_varpool_node): Likewise.
16304 (decide_is_variable_needed): Return true if not
16305 flag_toplevel_reorder.
16306 (cgraph_add_asm_node): New function.
16307 * cgraph.h (struct cgraph_node): Add order field.
16308 (struct cgraph_varpool_node): Add order field.
16309 (struct cgraph_asm_node): Define.
16310 (cgraph_asm_nodes, cgraph_order): Declare.
16311 (cgraph_add_asm_node): Declare.
16312 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16314 (cgraph_varpool_assemble_pending_decls): Call it.
16315 (cgraph_output_pending_asms): New static function.
16316 (cgraph_finalize_compilation_unit): Call it.
16317 (struct cgraph_order_sort): Define.
16318 (cgraph_output_in_order): New static function.
16319 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16320 !flag_toplevel_reorder case.
16321 * c-parser.c: Include "cgraph.h".
16322 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16324 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16325 than -fno-unit-at-a-time.
16326 * doc/invoke.texi (Option Summary): Mention
16327 -fno-toplevel-reorder.
16328 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16329 -funit-at-a-time documentation.
16331 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16332 Kazu Hirata <kazu@codesourcery.com>
16334 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16336 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16338 * Makefile.in (FUNCTION_H): New. Use it instead of
16339 function.h throughout the file.
16340 * function.h: Include tree.h.
16342 2006-01-17 Ben Elliston <bje@au.ibm.com>
16344 * recog.c: Separate some functions with whitespace.
16346 2006-01-16 Richard Henderson <rth@redhat.com>
16348 Merge from gomp branch:
16349 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16350 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16351 and rename from struct inline_data. Rename callee* to dst*;
16352 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16353 transform_new_cfg, transform_return_to_modify, and
16354 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16356 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16357 (copy_decl_for_dup): Remove.
16358 * tree-inline.c (struct inline_data): Move to header.
16359 (insert_decl_map): Export.
16360 (remap_decl): Update for member name changes. Use copy_decl hook.
16361 Allow for replacement to be a non-decl. Remove dead code.
16362 (remap_type_1): Check for existing mapping.
16363 (remap_type): Export.
16364 (remap_decls): Update for member name changes.
16365 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16366 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16367 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16368 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16369 (tree_function_versioning, build_duplicate_type): Likewise.
16370 (copy_body_r): Likewise. Export.
16371 (copy_decl_for_dup): Split into ...
16372 (copy_decl_for_dup_finish, copy_decl_to_var,
16373 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16374 (replace_ref_tree, inlining_p): Remove.
16376 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16378 * ifcvt.c (if_convert): Make it static.
16379 * rtl.h: Remove the prototype for if_convert.
16381 * local-alloc.c (local_alloc): Make it static.
16382 * rtl.h: Remove the prototype for local_alloc.
16384 * loop.c (loop_optimize): Make it static.
16385 * cfgloop.h: Remove the prototype for loop_optimize.
16388 2006-01-16 DJ Delorie <dj@redhat.com>
16390 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16393 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16395 * pa.md: Disparage copies between general and floating-point registers
16396 in 32-bit move patterns.
16398 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16401 * Makefile.in (check-%): Depend on site.exp instead of
16402 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16405 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16407 * global.c (global_alloc): Make it static.
16408 * rtl.h: Remove the prototype for global_alloc.
16410 2006-01-16 Richard Guenther <rguenther@suse.de>
16412 * tree-ssa-alias.c (struct used_part): Add write_only field.
16413 (get_or_create_used_part_for): Initialize it to true.
16414 (create_overlap_variables_for): Don't create structure variables
16415 for structures that only are written to.
16416 (find_used_portions): Handle MODIFY_EXPR to track whether a
16417 structure is only written to.
16419 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16421 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16423 * basic-block.h: Remove the prototype for
16424 partition_hot_cold_basic_blocks.
16426 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16428 * cppspec.c (lang_specific_spec_functions): Remove.
16429 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16430 * gcc.h (lang_specific_spec_functions): Remove.
16431 * gccspec.c (lang_specific_spec_functions): Remove.
16433 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16435 * combine.c (record_value_for_reg): Invalidate registers
16437 (record_dead_and_set_regs_1): Likewise, by passing them to
16438 record_value_for_reg.
16439 (record_dead_and_set_regs): Invalidate stores made by a
16440 call. We do not combine across a call, but we still
16441 relied on equivalences.
16443 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16445 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16446 vrp_int_const_binop returning non-constant nodes.
16448 2006-01-16 Paul Brook <paul@codesourcery.com>
16450 * config/m68k/m68k.c (output_move_const_into_data_reg):
16451 Output correct mnemonic for mvz and mvs.
16453 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16455 * rtl-factoring.c: Add sequence abstraction algorithm.
16456 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16457 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16459 (block_has_preserve_label): New function.
16460 * common.opt: Register new pass.
16461 * Makefile.in: Ditto.
16463 * timevar.def: Ditto.
16464 * tree-pass.h: Ditto.
16465 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16466 * rtl.h (make_jump_insn_raw): Add forward decl.
16467 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16469 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16470 Roger Sayle <roger@eyesopen.com>
16472 * fold-const.c (fold_minmax): New static function.
16473 (fold_binary) <MIN_EXPR>: Call it.
16474 <MAX_EXPR>: Likewise.
16475 * stor-layout.c (place_field): Use DECL_SIZE consistently
16476 in the computation of the new record size.
16478 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16480 * cse.c (cse_condition_code_reg): Make it static.
16481 * rtl.h: Remove the prototype for cse_condition_code_reg.
16483 * combine.c (combine_instructions): Make it static.
16484 * rtl.h: Remove the prototype for combine_instructions.
16486 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16489 * tree.c (get_file_function_name_long): Concatenate the first global
16490 object name with a string derived from the input filename of the object
16493 2006-01-16 Ben Elliston <bje@au.ibm.com>
16495 * config/i386/winnt-stubs.c: Update FSF address.
16496 * config/xtensa/ieee754-df.S: Ditto.
16497 * config/xtensa/ieee754-sf.S: Ditto.
16499 2006-01-14 Ian Lance Taylor <ian@airs.com>
16501 * ifcvt.c (noce_init_if_info): New static function, broken out of
16502 noce_process_if_block.
16503 (noce_process_if_block): Call noce_init_if_info.
16504 (check_cond_move_block): New static function.
16505 (cond_move_process_if_block): New static function.
16506 (process_if_block): Call cond_move_process_if_block.
16508 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16510 * cselib.c (hash_table): Rename to cselib_hash_table.
16511 (cselib_clear_table, discard_useless_values,
16512 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16513 cselib_init, cselib_finish): Adjust uses of hash_table.
16515 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16517 PR tree-optimization/25485
16518 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16519 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16520 is known to be false and true, respectively.
16522 2006-01-14 Richard Guenther <rguenther@suse.de>
16524 PR tree-optimization/22548
16525 PR tree-optimization/22555
16526 PR tree-optimization/22501
16527 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16528 * params.def (salias-max-array-elements): New parameter.
16529 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16530 * doc/invoke.texi (salias-max-array-elements): Document.
16531 * tree-flow-inline.h (var_can_have_subvars): We also handle
16533 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16535 * tree-ssa-structalias.c (params.h): Include.
16536 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16537 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16538 (get_constraint_for): For ADDR_EXPR operating on something
16539 containing an ARRAY_REF, add all subvars to the solution.
16540 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16541 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16542 for creating MUST_DEFs.
16543 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16545 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16547 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16549 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16550 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16551 number_of_iterations_le): New functions.
16552 (number_of_iterations_special): Removed.
16553 (number_of_iterations_exit): Do not use number_of_iterations_special.
16554 * tree.c (unsigned_type_for): Always return integer type.
16556 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16557 Richard Guenther <rguenther@suse.de>
16559 PR rtl-optimization/24257
16560 * gcse.c (find_moveable_store): Only consider a store movable
16561 when the SET_SRC of the insn can be assigned to a register.
16563 2006-01-14 Ian Lance Taylor <ian@airs.com>
16565 * tree.c (tree_not_class_check_failed): New function.
16566 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16567 (tree_not_class_check_failed): Declare.
16569 2006-01-13 Ian Lance Taylor <ian@airs.com>
16571 * reload1.c (do_output_reload): Add assertion rejecting a
16574 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16576 * combine.c (struct reg_stat): Add new fields truncation_label and
16578 (record_value_for_reg): Reset truncated_to_mode.
16579 (record_truncated_value): New function.
16580 (check_promoted_subreg): Call it. Rename to check_conversions.
16581 (combine_instructions): Rename check_promoted_subreg to
16583 (reg_truncated_to_mode): New function.
16584 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16585 (gen_lowpart_or_truncate): New function.
16586 (force_to_mode): Use it instead of gen_lowpart.
16588 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16590 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16591 VAR is a tag, not its type tag.
16593 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16595 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16596 alternatives to match style of other entries.
16597 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16599 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16601 PR tree-optimization/25771
16602 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16605 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16608 * tree-inline.c (declare_return_variable): If the return variable
16609 was marked as a non gimple complex, set the return slot variable
16610 to be a non gimple comple variable.
16612 2006-01-13 Richard Guenther <rguenther@suse.de>
16614 * builtins.c (expand_builtin_sincos): New function.
16615 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16617 (expand_builtin): Expand sincos using expand_builtin_sincos.
16619 2006-01-12 DJ Delorie <dj@redhat.com>
16621 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16622 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16623 so that constant shifts can be split.
16624 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16625 (m32c_valid_pointer_mode): Make static.
16626 (shift_gen_func_for): New.
16627 (m32c_prepare_shift): Use it. Split large const shifts into
16629 * config/m32c/predicates.md (shiftcount_operand): Allow more
16631 (longshiftcount_operand): New.
16632 * doc/md.texi (Machine Constraints): Document In6.
16634 2006-01-13 Ben Elliston <bje@au.ibm.com>
16636 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16637 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16640 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16642 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16643 to try to avoid clobbering pieces of structures when we know
16644 something about the whole structure.
16645 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16647 2006-01-13 Ben Elliston <bje@au.ibm.com>
16649 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16650 return in memory, as this is no limitation is no longer present.
16652 2006-01-12 DJ Delorie <dj@redhat.com>
16654 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16655 mova with fb, and for fb+0 -> An.
16657 * config/m32c/mov.md (peephole2): Fix enabling logic.
16659 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16660 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16661 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16662 FINI_ARRAY_SECTION_ASM_OP): Define.
16664 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16666 (m32c_legitimize_reload_address): New logic to reload FB to An.
16667 (m32c_output_reg_push): Add newline.
16668 (m32c_output_reg_pop): Likewise.
16670 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16672 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16674 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16676 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16678 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16680 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16683 2006-01-11 Ben Elliston <bje@au.ibm.com>
16685 * rtlanal.c (find_reg_note): Assert insn is not null.
16687 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16689 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16692 2006-01-11 Jeff Law <law@redhat.com>
16694 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16696 (mark_threaded_blocks, register_jump_thread): New functions.
16697 (thread_through_all_blocks): Remove unwanted argument. No
16698 longer rely on e->aux to communicate thread target info.
16699 Call mark_threaded_blocks. Release the threaded_blocks
16700 bitmap and threaded_edges vector when complete.
16701 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16702 (threaded_blocks): Remove.
16703 (tree_ssa_dominator_optimize): Remove initialization and
16704 finalization of threaded_blocks. Simplify call to
16705 thread_through_all_blocks.
16706 (thread_across_edge): Call register_jump_thread rather than
16707 storing thread information into e->aux.
16708 (free_all_edge_infos): Simplify now that e->aux is no longer
16709 used to communicate with thread_through_all_blocks.
16710 * tree-flow.h (thread_through_all_blocks): Update prototype.
16711 (register_jump_thread): Prototype.
16713 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16715 * df-core.c (df_compact_blocks, df_bb_replace): Use
16716 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16718 2006-01-11 Richard Guenther <rguenther@suse.de>
16720 PR tree-optimization/25734
16721 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16722 stop propagation after successful propagation to the LHS.
16724 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16726 * basic-block.h (control_flow_graph): Change the type of
16727 x_basic_block_info to VEC(basic_block,gc) *.
16728 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16730 (SET_BASIC_BLOCK): New.
16731 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16732 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16733 * cfgbuild.c (find_basic_blocks): Likewise.
16734 * cfglayout.c (fixup_reorder_chain): Likewise.
16735 * cfgrtl.c (create_basic_block_structure,
16736 rtl_create_basic_block): Likewise.
16737 * ifcvt.c (find_if_case_1): Likewise.
16738 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16741 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16743 * Makefile.in: Removed rotted odf.c entry.
16745 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16748 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16749 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16750 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16751 output pattern modifier, not %e.
16752 * config/cris/cris.c (cris_op_str): Update comment about pattern
16754 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16755 before falling through into...
16756 <case 'E'>: Redefined from old 'e' case.
16758 2006-01-11 Jan Hubicka <jh@suse.cz>
16761 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16763 2006-01-11 Jan Hubicka <jh@suse.cz>
16765 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16766 * i386.c (x86_decompose_lea): Kill.
16767 (ix86_rtx_costs): Kill.
16769 2006-01-11 Jan Hubicka <jh@suse.cz>
16771 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16772 * cgraph.h (cgraph_node): Add inline_decl.
16773 (cgraph_insert_node_to_hashtable): Declare.
16774 (save_inline_function_body): Declare.
16775 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16777 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16778 (cgraph_function_versioning): Update call of tree_function_versioning.
16779 (save_inline_function_body): New function.
16780 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16781 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16782 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16783 (cgraph_default_inline_p): Likewise.
16784 (cgraph_decide_inlining_incrementally): Likewise.
16785 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16786 (copy_bb): Kill saving; do updating of clones.
16787 (copy_cfg_body): Kill saving.
16788 (initialize_inlined-parameters): Likewise.
16789 (expand_call_inline): Likewise.
16791 (tree_function_versioning): New parameter "update_clones".
16792 (inlining_p): Kill saving.
16793 * tree-inline.h (tree_function_versioning): Update prototype.
16794 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16797 2006-01-11 Ian Lance Taylor <ian@airs.com>
16799 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16800 Allow undoing set of machine mode.
16801 (do_SUBST): Use enums instead of is_int.
16802 (do_SUBST_MODE): New function.
16803 (SUBST_MODE): New macro.
16804 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16805 reg and trying to replace reg_regno_rtx with a new register.
16806 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16807 (simplify_set): Use SUBST_MODE.
16808 (distribute_notes): Remove code that tried to update reg notes
16809 for regno_reg_rtx changes.
16811 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16813 PR tree-optimization/23109
16814 PR tree-optimization/23948
16815 PR tree-optimization/24123
16817 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16818 * tree-cfg.c (single_noncomplex_succ): New.
16819 * tree-flow.h (single_noncomplex_succ): Declare it.
16820 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16821 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16822 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16823 insert_bb, register_division_in, insert_reciprocals,
16824 replace_reciprocal, free_bb): New.
16825 (execute_cse_reciprocals_1): Rewritten.
16826 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16827 Do not commit any edge insertion. Always compute dominators and
16828 create the allocation pool.
16829 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16830 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16831 * targhooks.c (default_min_divistions_for_recip_mul): New.
16832 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16833 * passes.c (init_optimization_passes): Run recip after tree loop
16835 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16837 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16838 Kenneth Zadeck <zadeck@naturalbridge.com>
16840 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16841 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16842 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16843 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16844 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16845 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16846 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16847 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16848 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16849 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16850 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16851 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16852 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16853 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16854 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16855 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16856 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16857 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16858 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16859 DF_SCAN_POST_ALLOC): New macros.
16860 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16861 df_free_bb_function, df_local_compute_function, df_init_function,
16862 df_dataflow_function, df_confluence_function_0,
16863 df_confluence_function_n, df_transfer_function,
16864 df_finalizer_function, df_free_function, df_dump_problem_function,
16865 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16866 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16867 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16868 df_urec_bb_info, ) New types.
16869 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16871 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16872 df_analyze_simple_change_some_blocks,
16873 df_analyze_simple_change_one_block, df_compact_blocks,
16874 df_bb_replace, df_bb_regno_last_use_find,
16875 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16876 df_insn_regno_def_p, df_find_def, df_find_use,
16877 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16878 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16879 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16880 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16881 debug_df_chain, df_get_dependent_problem, df_chain_create,
16882 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16883 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16884 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16885 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16886 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16887 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16888 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16889 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16890 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16891 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16892 df_reorganize_refs, df_set_state, df_hard_reg_init,
16893 df_read_modify_subreg_p) New public functions.
16894 * df-core.c: The core dataflow solver and glue routines for rtl
16896 (df_init, df_add_problem, df_set_blocks, df_finish,
16897 df_hybrid_search_forward, df_hybrid_search_backward,
16898 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16899 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16900 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16901 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16902 df_reg_defined, df_find_use, df_reg_used, df_dump,
16903 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16904 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16905 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16906 debug_df_useno, reset_df_after_reload): New functions.
16907 * df-scan.c: The scanning fuctions, once in df.c, completely
16908 rewritten so that they now fully model the functionality of
16909 register usage at the backend.
16910 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16911 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16912 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16913 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16914 df_get_artificial_defs, df_get_artificial_uses,
16915 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16916 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16917 df_refs_delete, df_reorganize_refs, df_set_state,
16918 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16919 df_def_record_1, df_defs_record, df_uses_record,
16920 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16921 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16922 df_record_exit_block_uses, df_hard_reg_init): New functions.
16924 * df-problems.c: Seven concrete dataflow problems that use the
16925 scanning in df-scan.c and are solved by the engine in df-core.c.
16926 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16927 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16928 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16929 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16930 df_ru_free_bb_info, df_ru_alloc,
16931 df_ru_bb_local_compute_process_def,
16932 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16933 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16934 df_ru_transfer_function, df_ru_free, df_ru_dump,
16935 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16936 df_rd_free_bb_info, df_rd_alloc,
16937 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16938 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16939 df_rd_transfer_function, df_rd_free, df_rd_dump,
16940 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16941 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16942 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16943 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16944 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16945 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16946 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16947 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16948 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16949 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16950 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16951 df_urec_mark_reg_use_for_earlyclobber,
16952 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16953 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16954 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16955 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16956 df_chain_create_bb_process_use, df_chain_create_bb,
16957 df_chain_finalize, df_chain_free, df_chains_dump,
16958 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16959 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16960 df_reg_lifetime): New functions.
16961 * df.c: Deleted file.
16962 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16963 consistent with new df api.
16964 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16965 rest_of_handle_sms): Ditto.
16966 * web.c (unionfind_union, union_defs, entry_register, web_main):
16968 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16969 invariant_expr_equal_p, find_defs, check_dependencies,
16970 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16971 free_inv_motion_data, move_loop_invariants): Ditto.
16972 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16973 Update dependencies.
16974 (odf.c): Added defective entry that was deleted later in day.
16975 * sched-deps.c (sched_analyze_1): Ditto.
16977 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16979 * tree-ssa-operands.c (get_expr_operands): Record addressable
16980 variables directly. Do not call add_stmt_operands for CONST_DECLs
16982 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16983 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16985 2006-01-11 Ben Elliston <bje@au.ibm.com>
16987 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16988 function returns true in the positive case.
16990 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16993 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16994 for SI, DI, SF and DF modes. Add alternatives to copy between
16995 general and floating point registers to the 32-bit patterns.
16996 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16997 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16998 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16999 generating 64-bit code.
17000 * config/pa/pa.c (output_move_double): Handle copies between general
17001 and floating registers.
17003 2006-01-10 Stuart Hastings <stuart@apple.com>
17005 * config/i386/i386.md (set_got): Update.
17006 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17007 (builtin_setjmp_receiver): Mach-O support.
17008 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17009 (GOT_SYMBOL_NAME): Define.
17010 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17011 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17012 * config/i386/i386.c (override_options): Revise for Darwin.
17013 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17014 support. (darwin_x86_file_end): New. (output_set_got): Add label
17015 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17016 * config/i386/i386-protos.h (output_set_got): Likewise.
17017 * config/darwin.c (machopic_legitimize_pic_address): Update
17020 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17022 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17023 when MODE isn't BLKmode.
17025 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17027 PR rtl-optimization/25367
17028 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17030 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17033 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17034 for a negative bound.
17036 2006-01-10 Richard Guenther <rguenther@suse.de>
17038 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17039 Never override with anything constraint.
17041 2006-01-10 Jan Beulich <jbeulich@novell.com>
17043 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17044 256 bits when optimize_size.
17046 2006-01-10 Jan Beulich <jbeulich@novell.com>
17048 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17050 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17051 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17054 2006-01-10 Ben Elliston <bje@au.ibm.com>
17056 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17058 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17059 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17060 (USE_FP_FOR_ARG): Reject decimal float modes.
17061 (function_arg_advance): Likewise.
17062 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17063 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17064 point types in AltiVec vectors.
17065 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17066 (rs6000_libcall_value): Likewise.
17068 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17070 * config/xtensa/ieee754-df.S: New file.
17071 * config/xtensa/ieee754-sf.S: New file.
17072 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17073 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17074 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17076 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17078 * config/sh/predicates.md (binary_float_operator,
17079 binary_logical_operator, commutative_float_operator,
17080 equality_comparison_operator, greater_comparison_operator,
17081 less_comparison_operator, logical_operator,
17082 noncommutative_float_operator, shift_operator,
17083 symbol_ref_operand, unary_float_operator): Remove redundant
17086 2006-01-09 Jeff Law <law@redhat.com>
17088 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17089 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17090 now unused arguments. Callers updated.
17091 (eliminate_redundant_computations): Remove now unused arguments,
17093 (local_fold): Remove, no longer used.
17094 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17096 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17097 (simplify_cond): New function.
17098 (forward_propagate_into_cond): Call simplify_cond.
17100 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17102 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17103 (*vec_extractv2di_1_sse): New.
17105 2006-01-09 Ben Elliston <bje@au.ibm.com>
17107 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17109 2006-01-08 Richard Guenther <rguenther@suse.de>
17111 * tree-ssa-structalias.c (get_constraint_for): Remove
17112 anyoffset argument.
17113 (get_constraint_for_component_ref): Likewise.
17114 (do_deref): Likewise.
17115 (get_constraint_for): Likewise.
17116 (do_structure_copy): Likewise.
17117 (handle_ptr_arith): Likewise.
17118 (find_func_aliases): Likewise. Remove unused need_anyoffset
17121 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17122 Kaz Kojima <kkojima@gcc.gnu.org>
17124 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17125 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17126 (EXTRA_CONSTRAINT_C16): Remove.
17127 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17128 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17129 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17130 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17131 constants of SHmedia. Handle nested constant expressions of
17133 (andcosts): Fix the costs for SHmedia constants.
17134 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17135 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17136 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17137 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17138 (movv4hi_i, movv2si_i): Likewise.
17139 (movsi_const): Adjust the second operand of ior so to match with
17140 the Csu constraint.
17141 (movdi_const, movdi_const_32bit): Likewise.
17142 (movdi_const_16bit+1): Don't sign-extend LOW.
17143 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17145 (*double_shori): Fix the split condition. Use GEN_INT instead
17146 of get_int_mode calls. Mask lower 16-bit of the argument of
17148 (sym2GOTPLT): Remove.
17149 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17151 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17152 instead of EXTRA_CONSTRAINT_C16.
17154 2006-01-07 Ian Lance Taylor <ian@airs.com>
17155 David Edelsohn <edelsohn@gnu.org>
17157 PR rtl-optimization/25662
17158 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17159 for constant operands instead of simplify_gen_binary.
17160 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17161 after trying simplify_binary_operation
17163 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17165 * tree.c (iterative_hash_expr): Hash decls based on UID.
17167 2006-01-06 Eric Christopher <echristo@apple.com>
17169 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17170 (TARGET_UNWIND_EMIT): Fix spelling.
17171 * target.h (gcc_target): Add except_table_label.
17172 * except.c (output_function_exception_table): Use.
17173 * varasm.c (default_emit_except_table_label): New.
17174 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17176 (asm_out): Add here.
17177 * output.h (default_emit_except_table_label): Prototype.
17178 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17179 * config/darwin.c (darwin_emit_except_table_label): Define.
17180 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17182 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17184 PR tree-optimization/18527
17185 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17186 number_of_iterations_special, number_of_iterations_exit):
17187 Move base and step of an iv to a single structure. Add
17188 no_overflow flag, and use it in # of iterations analysis.
17189 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17190 folded_casts argument.
17191 (simple_iv): Pass base and step in a structure. Set no_overflow
17193 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17194 Evaluate expensiveness of computing # of iterations instead of
17195 the final expression.
17196 * tree-scalar-evolution.h (affine_iv): New structure.
17197 (simple_iv): Declaration changed.
17198 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17199 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17200 find_givs_in_stmt): Changed due to simple_iv change.
17202 2006-01-06 Jeff Law <law@redhat.com>
17205 * tree-cfg.c (bsi_replace): Rename final argument from
17206 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17207 change (stmt -> orig_stmt).
17208 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17209 (bsi_remove): Add new argument. Remove EH information
17211 (verify_eh_throw_table_statements): New function.
17212 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17214 * tree-optimize.c (execute_free_cfg_annotations): Verify
17215 the EH throw statement table after removing annotations.
17216 * except.h (verify_eh_throw_table_statements): Prototype.
17217 * tree-flow.h (bsi_remove): Update prototype.
17218 * tree-vrp.c (remove_range_assertions): Add new argument to
17220 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17221 * tree-complex.c (expand_complex_div_wide): Likewise.
17222 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17223 * tree-tailcall.c (eliminate_tailcall): Likewise.
17224 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17225 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17226 * tree-nrv.c (tree_nrv): Likewise.
17227 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17228 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17229 (combine_blocks): Likewise.
17230 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17231 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17232 (cleanup_control_flow): Likewise.
17233 (remove_forwarder_block): Likewise.
17234 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17235 * tree-sra.c (sra_replace): Likewise.
17236 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17237 (forward_propagate_single_use_vars): Likewise.
17238 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17239 * tree-inline.c (expand_call_inline): Likewise.
17240 * tree-vect-transform.c (vect_transform_loop): Likewise.
17241 * tree-outof-ssa.c (rewrite_trees): Likewise.
17242 * tree-cfg.c (make_goto_expr_edges): Likewise.
17243 (cleanup_dead_labels): Likewise.
17244 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17245 (bsi_move_before, bsi_move_after): Likewise.
17246 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17247 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17249 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17252 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17254 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17255 on non gimple variables. Also add checks at the top for decls and
17257 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17259 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17260 and IMAGPART_EXPR for creating MUST_DEFs.
17261 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17262 and NAME_MEMORY_TAG separately from the DECLs.
17264 2006-01-06 Richard Guenther <rguenther@suse.de>
17266 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17267 annotation, if necessary.
17268 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17269 redundant calls to update_stmt.
17270 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17273 2006-01-05 Richard Henderson <rth@redhat.com>
17275 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17277 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17279 * c-typeck.c: Update copyright date.
17281 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17283 * c-typeck.c (build_c_cast): Always warn when casting
17284 from a pointer to an integer of different size, even if
17285 the node was constant.
17287 2006-01-05 Richard Guenther <rguenther@suse.de>
17289 PR tree-optimization/22555
17290 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17291 if one structure field is an array.
17292 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17293 operands even if we found a subvar, but ignore VOPs in this
17295 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17297 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17299 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17301 PR middle-end/24998
17302 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17304 2006-01-05 Richard Guenther <rguenther@suse.de>
17305 Diego Novillo <dnovillo@redhat.com>
17307 * tree-pass.h (TODO_remove_unused_locals): Define.
17308 * gimple-low.c (expand_var_p, remove_useless_vars,
17309 pass_remove_useless_vars): Remove. Update all users.
17310 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17311 (remove_unused_locals): New function.
17312 * tree-flow.h (remove_unused_locals): Declare.
17313 * passes.c (execute_todo): Call remove_unused_locals if
17314 TODO_remove_unused_locals is set.
17315 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17316 * tree-ssa-dce.c (pass_dce): Likewise.
17317 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17319 2006-01-05 Richard Guenther <rguenther@suse.de>
17321 * tree-flow.h (struct fieldoff): Decompose field to
17322 type, size and decl.
17323 * tree-ssa-alias.c (create_sft): Take type as parameter.
17324 (create_overlap_variables_for): Store type, size and decl
17325 in the fieldoff structure.
17326 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17327 of struct fieldoff.
17328 (push_fields_onto_fieldstack): Likewise.
17329 (create_variable_info_for): Likewise. Use offset for the
17330 SFT name if the decl is not available.
17332 2006-01-04 Paul Brook <paul@codesourcery.com>
17334 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17336 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17338 * lambda-code.c (can_put_in_inner_loop): Relax
17340 (can_put_after_inner_loop): New function.
17341 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17342 (perfect_nestify): Change to make copies and modify uses.
17344 2006-01-04 Richard Henderson <rth@redhat.com>
17346 Merge from gomp branch:
17347 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17348 via integer constant.
17349 (pragma_lex): Remove.
17350 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17351 rather than parsing it.
17352 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17353 handle_pragma_extern_prefix): Add %< %> quotes.
17354 (registered_pragmas): New.
17355 (c_register_pragma_1): New.
17356 (c_register_pragma): Use it.
17357 (c_register_pragma_with_expansion): Likewise.
17358 (c_invoke_pragma_handler): New.
17359 (init_pragma): Use cpp_register_deferred_pragma directly for
17361 * c-pragma.h (enum pragma_kind): New.
17362 (pragma_handler): New.
17363 (c_invoke_pragma_handler): Declare.
17364 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17366 * c-common.h (c_common_pch_pragma): Update decl.
17367 * Makefile.in (c-parser.o): Update dependencies.
17368 (GTFILES): Add c-pragma.h.
17369 * c-parser.c (struct c_token): Add pragma_kind.
17370 (struct c_parser): Add in_pragma.
17371 (c_lex_one_token): Always initialize keyword and pragma_kind.
17372 Extract data for CPP_PRAGMA.
17373 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17374 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17375 Don't allow CPP_PRAGMA_EOL if in_pragma.
17376 (c_parser_consume_pragma): New.
17377 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17378 (c_parser_skip_to_end_of_parameter): Likewise.
17379 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17380 (c_parser_skip_to_pragma_eol): New.
17381 (c_parser_external_declaration): Handle CPP_PRAGMA.
17382 (c_parser_compound_statement_nostart): Likewise.
17383 (c_parser_statement_after_labels): Likewise.
17384 (c_parser_pragma): New.
17385 (pragma_lex): Likewise.
17386 (c_parser_pragma_pch_preprocess): New.
17387 (c_parser_new): Merge into ...
17388 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17390 2006-01-04 Jeff Law <law@redhat.com>
17393 * tree-cfg.c (bsi_replace): Remove the original statement
17394 from the EH throw statement table.
17396 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17398 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17399 make the prototype extern "C" and add throw ().
17402 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17403 and pos non-negative and pos + len <= 32.
17404 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17405 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17406 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17409 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17410 as well as sizes not multiple of component size.
17413 * function.c (instantiate_expr): New function.
17414 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17415 walk its DECL_VALUE_EXPR with instantiate_expr.
17417 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17418 DW_OP_deref{,_size} if address isn't going to be added.
17420 2006-01-04 Ben Elliston <bje@au.ibm.com>
17422 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17423 * config/fp-bit.c: Likewise.
17425 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17427 * dominance.c: Add comment about why we use DFS numbering
17430 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17431 Richard Henderson <rth@redhat.com>
17433 Merge from gomp-branch:
17434 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17435 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17437 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17439 PR rtl-optimization/25578
17440 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17441 pass a parameter to simplify_shift_const if changing ASHIFTRT
17444 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17446 * builtins.c (get_builtin_sync_mem): New function.
17447 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17448 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17449 Call get_builtin_sync_mem to generate mem rtx.
17451 2006-01-03 Richard Guenther <rguenther@suse.de>
17454 * stmt.c (add_case_node): Make sure to clear overflow flags
17457 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17459 Merge from gomp-branch.
17460 * config/sparc/sync.md: New file.
17461 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17462 UNSPECV_LDSTUB): New constants.
17463 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17464 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17465 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17468 2006-01-03 Roger Sayle <roger@eyesopen.com>
17470 * combine.c (reg_subword_p): New predicate to test whether the
17471 destination of a set refers to a subword/piece of a register.
17472 (try_combine): Generalize the code to merge the setting of a
17473 pseudo to a constant followed by a set of a subword of that
17474 register to a constant.
17476 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17478 * basic-block.h (control_flow_graph): Change the type of
17479 x_label_to_block_map to VEC(basic_block,gc) *.
17480 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17481 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17483 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17484 VEC(basic_block,heap) *.
17485 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17486 ssa_prop_fini): Adjust the uses of cfg_blocks.
17488 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17490 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17492 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17493 hashing trees instead of a pointer hash.
17494 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17495 compare for MEM_EXPR.
17497 PR rtl-optimization/25130
17498 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17499 when comparing MEMs for GCSE
17501 2006-01-03 Ben Elliston <bje@au.ibm.com>
17503 * targhooks.h (default_decimal_float_supported_p): Declare.
17504 * targhooks.c (default_decimal_float_supported_p): Define.
17505 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17506 `default_decimal_float_supported_p'.
17507 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17509 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17511 * combine.c (apply_distributive_law <SUBREG>): Check
17512 TRULY_NOOP_TRUNCATION.
17514 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17516 * dwarf2out.c (have_switched_text_section): Delete.
17517 (have_multiple_function_sections): New.
17518 (have_location_lists): Make 'bool'.
17519 (add_AT_loc_list): Use 'true' not '1'.
17520 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17521 (output_loc_list): Use have_multiple_function_sections.
17522 (output_ranges): Likewise.
17523 (dwarf2out_begin_function): Set have_multiple_function_sections if
17525 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17526 Check function_section rather than DECL_SECTION_NAME.
17527 (dwarf2out_finish): Use have_multiple_function_sections.
17528 Don't clear have_location_lists.
17530 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17531 Jan Hubicka <jh@suse.cz>
17533 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17534 case of conditional jump jumping to the next instruction.
17535 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17536 cases of conditional jump jumping to the next instruction.
17538 2006-01-02 Jan Hubicka <jh@suse.cz>
17540 * i386.c (*_cost): Add COSTS_N_INSNS.
17541 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17543 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17546 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17548 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17550 * config/arm/arm.c (all_fpus): Fix comment typo.
17551 * config/darwin.c: Likewise.
17552 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17553 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17554 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17556 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17558 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17559 (rs6000_split_compare_and_swapqhi): New.
17560 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17561 (sync_compare_and_swapqhi_internal): New.
17562 * config/rs6000/rs6000-protos.h: Declare.