1 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4 from the soft-frame, argument and virtual registers.
6 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
8 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
9 patterns for standard 80387 constants.
12 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
13 Steven Bosscher <steven@gcc.gnu.org>
16 * Makefile.in: Add fwprop.o.
17 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
18 * passes.c (init_optimization_passes): Schedule forward propagation.
19 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
21 * timevar.def (TV_FWPROP): New.
22 * common.opt (-fforward-propagate): New.
23 * opts.c (decode_options): Enable forward propagation at -O2.
24 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
25 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
26 canon_for_address, table_size): Remove.
27 (new_basic_block, insert, remove_from_table): Remove references to
29 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
30 simplification loop more straightforward by not calling fold_rtx
32 (equiv_constant): Move here a small part of fold_rtx_subreg,
33 do not call fold_rtx. Call avoid_constant_pool_reference
35 * recog.h (canonicalize_change_group): New.
37 * doc/invoke.texi (Optimization Options): Document fwprop.
38 * doc/passes.texi (RTL passes): Document fwprop.
40 2006-11-03 Geoffrey Keating <geoffk@apple.com>
42 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
43 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
44 (grokdeclarator): Likewise.
46 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
48 * tree-dump.c (dump_enable_all): Rename local variable
49 ir_type to avoid name conflicts.
50 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
51 instead of using ir_type().
52 * profile.c (tree_register_profile_hooks): Likewise.
53 * value-prof.c (tree_register_value_prof_hooks): Likewise.
54 * basic-block.h (struct edge_def): Likewise.
55 * config/arm/arm.c (legitimize_pic_address): Likewise.
56 * coretypes.h (ir_type): New enum of all intermediate languages
58 * cfghooks.c (ir_type): Rename to...
59 (current_ir_type): ...this. Distinguish between cfgrtl and
60 cfglayout mode when the current IR is RTL. Return enum ir_type.
61 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
63 2006-11-03 Paul Brook <paul@codesourcery.com>
65 * config/arm/arm.c (arm_file_start): New function.
66 (TARGET_ASM_FILE_START): Define.
67 (arm_default_cpu): New variable.
68 (arm_override_options): Set arm_default_cpu.
70 2006-11-03 David Ung <davidu@mips.com>
72 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
73 PROCESSOR_24KC and PROCESSOR_24KF.
74 * config/mips/mips.c (mips_cpu_info_table): Add processor names
75 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
76 (mips_rtx_cost_data): Add costs for the 24kc.
77 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
78 * config/mips/24k.md: Remove references to 24k and replace with
79 uses of 24kc/24kf in the appropriate reservations.
80 * doc/invoke.texi (MIPS Options): Updated.
82 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
84 * config/sh/crt1.asm: Fix #ifdef indent.
86 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
87 Merged from STMicroelectronics sources:
88 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
89 * config/sh/crt1.asm (vbr_600): Add missing #if.
90 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
91 * sh.opt (mfused-madd): New option.
92 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
93 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
94 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
95 Remove pointless handler at VBR+0.
96 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
97 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
98 fr7. Make sure the timer handler is called with the correct FPU
99 precision setting, according to the ABI.
100 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
101 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
102 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
103 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
104 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
105 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
106 zero as second operand.
107 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
108 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
109 Fixed some bugs related to negative values, in particular -0
110 and overflow at -0x80000000.
111 * config/sh/divcost-analysis: Added sh4-300 figures.
112 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
113 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
114 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
115 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
116 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
117 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
119 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
121 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
122 SH4-300 scheduling description & fixes to SH4-[12]00 description:
123 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
124 mac_mem, mem_mac, dfp_mul, fp_cmp.
125 (insn_class, dfp_comp, any_fp_comp): Update.
126 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
127 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
128 (muldf3_i): Likewise.
129 (movsi_i): Split rI08 alternative into two separate alternatives.
131 (movsi_ie, movsi_i_lowpart): Likewise.
132 (movqi_i): Split ri alternative into two separate alternatives.
134 * sh1.md (sh1_load_store, sh1_fp): Update.
135 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
136 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
137 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
138 (sh4a_fp_double_arith): Likewise.
139 * sh4-300.md: New file.
140 * sh.c (sh_handle_option): Handle m4-300* options.
141 (sh_adjust_cost): Fix latency of auto-increments.
142 Handle SH4-300 differently than other SH4s. Check for new insn types.
143 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
144 been set by an option.
145 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
146 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
147 (mbranch-cost=): Likewise.
148 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
150 * sh.md (mulsf3): Remove special expansion code.
151 (mulsf3_ie): Now a define_insn_and_split.
152 (macsf3): Allow for TARGET_SH4.
154 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
155 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
156 (expand_cbranchdi4): Likewise.
157 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
158 CONST_DOUBLE if the outer code is COMPARE.
159 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
160 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
161 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
162 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
163 Remove redundant fp_{zero,one}_operand checks.
164 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
165 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
166 (expand_cbranchdi4): Likewise.
167 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
168 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
170 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
172 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
175 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
177 * doc/invoke.texi: Fix mfp-trap-mode typo.
179 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
181 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
182 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
183 file_end_indicate_exec_stack.
184 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
186 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
187 for a non-executable stack.
188 * crti.asm: Likewise.
189 * crtn.asm: Likewise.
190 * libunwind.S: Likewise.
192 2006-11-02 Ben Elliston <bje@au.ibm.com>
194 * tree-ssa.c (warn_uninit): Use expand_location variables for
195 locus and declaration locus.
197 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
200 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
201 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
202 cmp{eq,gt,gtu}{si,di}_media.
203 (*cmpne0si_media): Remove.
204 (*movsicc_umin): Adjust gen_cmp*_media call.
205 (unordered): Change the mode of unordered and operands[1] to
207 (seq): Adjust gen_cmp*_media calls. Make the mode of
208 a temporary result of compare SImode if needed. If the mode
209 of operands[0] is DImode, extend the temporary result to DImode.
210 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
211 (sunorderd): Change the mode of match_operand and unorderd to
213 (cmpeq{sf,df}_media): Remove.
214 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
215 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
216 and compare operation to SImode.
218 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
220 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
222 (sparc64-sun-solaris2*): Likewise.
224 2006-11-02 Paul Brook <paul@codesourcery.com>
226 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
227 from priority argument. Use different section for non-default
229 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
231 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
234 * except.c (switch_to_exception_section): Do not cache the section
235 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
236 and flag_function_sections is set.
238 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
241 * builtins.c (do_mpfr_sincos): New.
242 (fold_builtin_1): Use it to fold builtin sincos.
244 2006-11-01 Roger Sayle <roger@eyesopen.com>
246 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
247 it into -D_REENTRANT.
249 2006-11-01 Roger Sayle <roger@eyesopen.com>
251 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
252 whether the assembler supports taking the difference of symbols in
253 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
254 * configure: Regenerate.
255 * config.in: Regenerate.
256 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
257 the assembler doesn't support taking the difference of symbols in
258 different sections, i.e. we're using the native solaris assembler.
260 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
261 Peter Bergner <bergner@vnet.ibm.com>
263 * doc/invoke.texi: Add cpu_type power6x
264 (RS/6000 and PowerPC Options): Add -mmfpgpr.
265 * config.gcc: Add cpu_type power6x.
266 * configure.ac: Add test for mf{t,f}gpr instructions.
267 (HAVE_AS_MFPGPR): New.
268 * config.in: Regenerate.
269 * configure: Regenerate.
270 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
271 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
272 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
273 and mftgpr attributes.
274 (define_attr "cpu"): Add power6.
275 Change instruction sequences to use new attributes.
276 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
277 (fix_truncdfsi2_mfpgpr): New.
278 (floatsidf_ppc64_mfpgpr): New.
279 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
280 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
281 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
282 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
283 (fix_truncdfsi2): Use gpc_reg_operand constraint.
284 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
285 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
286 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
287 cntlz,exts and var_delayed_compare.
288 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
289 _ARCH_PWR6X, if features enabled.
290 * config/rs6000/rs6000.opt (mmfpgpr): New.
291 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
292 (cached_can_issue_more): New variable.
293 (processor_costs): Add power6_cost.
294 (rs6000_sched_init): New function.
295 (is_dispatch_slot_restricted): Deleted.
296 (set_to_load_agen): New function.
297 (is_load_insn,is_store_insn): New functions.
298 (adjacent_mem_locations): New function.
299 (insn_must_be_first_in_group): New function.
300 (insn_must_be_last_in_group): New function.
301 (rs6000_sched_reorder): New function.
302 (rs6000_sched_reorder2): New function.
303 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
304 TARGET_SCHED_REORDER2): Define.
305 (processor_target_table): Use PROCESSOR_POWER6 for power6.
306 Add power6x. Add MASK_MFPGPR for power6x.
307 (POWERPC_MASKS): Add MASK_MFPGPR.
308 (rs6000_override_options): Set rs6000_always_hint to false
309 for power6. Set rs6000_align_branch_targets. Replace
310 rs6000_sched_groups check with rs6000_align_branch_targets.
311 Use PROCESSOR_POWER6.
312 (last_scheduled_insn): New variable.
313 (load_store_pendulum): New variable.
314 (rs6000_variable_issue): Set last_scheduled_insn and
315 cached_can_issue_more.
316 (rs6000_adjust_cost): Add power6 cost adjustments.
317 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
318 with insn_must_be_first_in_group. Add power6 priority adjustments.
319 (rs6000_issue_rate): Add CPU_POWER6.
320 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
321 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
322 (TARGET_MFPGPR): New.
323 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
324 (ASM_CPU_SPEC): Add power6x.
325 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
327 * config/rs6000/power6.md: New file.
329 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
331 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
332 HOST_WIDE_INT_PRINT to print high and low parts. Use
333 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
334 printing a hexadecimal number prefix it with 0x.
336 2006-11-01 Chris Johns <chris@contemporary.net.au>
339 * Makefile.in (install-driver): Use exeext when installing
340 $target-gcc-$version.
342 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
344 * c-common.c (flag_cpp0x): New.
345 * c-common.h (flag_cpp0x): New.
346 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
347 supported, define __GXX_EXPERIMENTAL_CPP0X__.
348 * c-opts.c (set_std_cxx0x): New.
349 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
350 * c.opt (std=c++0x): Document.
351 (std=gnu++0x): Ditto.
352 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
353 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
355 2006-11-01 Richard Guenther <rguenther@suse.de>
357 * config/i386/i386.c (ix86_expand_rint): Fix issues with
359 (ix86_expand_floorceildf_32): Likewise.
360 (ix86_expand_floorceil): Likewise.
361 (ix86_expand_trunc): Likewise.
363 2006-10-31 Andrew Pinski <pinskia@gmail.com>
365 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
368 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
370 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
372 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
374 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
376 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
377 * configure.ac (use_cxa_atexit): As a special case, don't test
378 for libc definition of __cxa_atexit on mingw32
379 * configure: Regenerate.
380 * config.gcc (i[34567]86-pc-mingw32): Default to
381 enable__cxa_atexit=yes.
383 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
385 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
387 2006-10-31 Geoffrey Keating <geoffk@apple.com>
390 * c-decl.c (start_struct): Don't create self-containing
392 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
394 * config/rs6000/rs6000-protos.h
395 (darwin_rs6000_special_round_type_align): New.
396 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
397 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
399 2006-10-31 Geoffrey Keating <geoffk@apple.com>
401 * toplev.c (compile_file): Call final_write_globals
402 even if there have been errors.
404 2006-10-31 Eric Christopher <echristo@apple.com>
405 Falk Hueffner <falk@debian.org>
407 * doc/extend.texi (__builtin_bswap32): Document.
408 (__builtin_bswap64): Ditto.
409 * doc/libgcc.texi (bswapsi2): Document.
411 * doc/rtl.texi (bswap): Document.
412 * optabs.c (expand_unop): Don't widen a bswap.
413 (init_optabs): Init bswap. Set libfuncs explicitly
414 for bswapsi2 and bswapdi2.
415 * optabs.h (OTI_bswap): New.
416 (bswap_optab): Ditto.
417 * genopinit.c (optabs): Handle bswap_optab.
418 * tree.h (tree_index): Add TI_UINT32_TYPE and
420 (uint32_type_node): New.
421 (uint64_type_node): Ditto.
422 * tree.c (build_common_tree_nodes_2): Initialize
423 uint32_type_node and uint64_type_node.
424 * builtins.c (expand_builtin_bswap): New.
425 (expand_builtin): Call.
426 (fold_builtin_bswap): New.
427 (fold_builtin_1): Call.
428 * fold-const.c (tree_expr_nonnegative_p): Return true
430 * builtin-types.def (BT_UINT32): New.
432 (BT_FN_UINT32_UINT32): Ditto.
433 (BT_FN_UINT64_UINT64): Ditto.
434 * builtins.def (BUILT_IN_BSWAP32): New.
435 (BUILT_IN_BSWAP64): Ditto.
436 * rtl.def (BSWAP): New.
437 * genattrtab.c (check_attr_value): New.
438 * libgcc2.c (__bswapSI2): New.
440 * libgcc2.h (__bswapSI2): Declare.
442 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
443 * simplify-rtx.c (simplify_const_unary_operation): Return
445 * libgcc-std.ver (__bwapsi2): Add.
447 * reload1.c (eliminate_regs_1): Add bswap.
448 (elimination_effects): Ditto.
449 * config/i386/i386.h (x86_bswap): New.
451 * config/i386/i386.c (x86_bswap): Set.
453 2006-10-31 Geoffrey Keating <geoffk@apple.com>
455 * coverage.c (coverage_checksum_string): Update comment.
456 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
457 of get_file_function_name.
458 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
459 of get_file_function_name_long.
460 * tree.c (get_file_function_name): Rename from
461 get_file_function_name_long; improve comment; handle 'I' and 'D'
462 specially when the target has ctor/dtor support; remove special
464 (get_file_function_name): Remove.
465 * tree.h (get_file_function_name): Rename from
466 get_file_function_name_long.
467 (get_file_function_name): Remove prototype.
469 2006-10-31 Geoffrey Keating <geoffk@apple.com>
471 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
472 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
474 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
475 Call dsymutil when compiling and linking one or more source files
478 2006-10-31 Geoffrey Keating <geoffk@apple.com>
481 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
483 2006-10-31 Geoffrey Keating <geoffk@apple.com>
485 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
486 inline static functions in c99 mode.
489 * doc/extend.texi (Inline): Update.
490 * c-tree.h (struct language_function): Remove field 'extern_inline'.
491 * c-decl.c (current_extern_inline): Delete.
492 (pop_scope): Adjust test for an undefined nested function.
493 Add warning about undeclared inline function.
494 (diagnose_mismatched_decls): Update comments. Disallow overriding
495 of inline functions in a translation unit in C99. Allow inline
496 declarations in C99 at any time.
497 (merge_decls): Boolize variables. Handle C99 'extern inline'
499 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
500 C99 inline semantics.
501 (start_function): Don't clear current_extern_inline. Don't set
503 (c_push_function_context): Don't push current_extern_inline.
504 (c_pop_function_context): Don't restore current_extern_inline.
507 * c-typeck.c (build_external_ref): Warn about static variables
508 used in extern inline functions.
509 * c-decl.c (start_decl): Warn about static variables declared
510 in extern inline functions.
512 2006-10-31 Roger Sayle <roger@eyesopen.com>
515 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
516 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
517 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
518 or y is an even integer.
520 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
523 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
524 * gthr-posix95.h (__gthread_active_p): Likewise.
526 2006-10-31 Richard Guenther <rguenther@suse.de>
528 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
529 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
530 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
531 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
532 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
533 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
534 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
535 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
538 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
540 * opts.c (decode_options): Disable CSE skip blocks.
542 2006-10-30 Dirk Mueller <dmueller@suse.de>
544 * c-common.h (strict_aliasing_warning): Fix whitespace.
545 * c-decl (start_function): Move code for main decl warning ..
546 * c-common.c (check_main_parameter_types): .. here.
547 * c-common.h (check_main_parameter_types): Declare.
549 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
554 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
556 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
557 be a PARALLEL containing sets. Return false when out_pat is not
560 2006-10-30 Richard Sandiford <richard@codesourcery.com>
562 * config/mips/mips.md (mul<mode>3): Split into...
563 (mulsi3, muldi3): ...these separate patterns.
565 2006-10-30 Richard Sandiford <richard@codesourcery.com>
567 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
568 but with each set of options separated by spaces.
570 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
572 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
573 dwarf_reg_size_table has been initialized.
575 2006-10-30 Roger Sayle <roger@eyesopen.com>
577 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
578 * ddg.c (print_ddg_edge): Likewise.
579 * dwarf2out.c (prune_unused_types_walk): Likewise.
580 * ifcvt.c (noce_try_cmove_arith): Likewise.
581 * langhooks.c (add_builtin_function): Likewise.
582 * reg-stack.c (subst_stack_regs_pat): Likewise.
583 * tree.c (expanded_location): Likewise.
584 * tree-dump.c (dequeue_and_dump): Likewise.
586 2006-10-30 David Daney <ddaney@avtrex.com>
588 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
590 2006-10-30 Jakub Jelinek <jakub@redhat.com>
592 PR tree-optimization/29637
593 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
594 of the innertype is the innertype itself.
596 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
598 * dwarf2out.c (file_name_acquire): Correct typo.
600 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
602 * tree.h (tree_value_handle): Remove struct value_set declaration.
603 Change value_set to bitmap_set.
604 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
605 * tree-vn.c (get_value_handle): Made inline and moved to
607 * tree-flow-inline.h: (has_stmt_ann): New function.
608 * tree-ssa-pre.c (expressions): New variable.
609 (next_expression_id): Ditto.
610 (alloc_expression_id): New function.
611 (struct value_set): Remove.
612 (get_expression_id): New function.
613 (get_or_alloc_expression_id): Ditto.
614 (expression_for_id): Ditto.
615 (clear_expression_ids): Ditto.
616 (FOR_EACH_EXPR_ID_IN_SET): New macro.
617 (bb_value_sets): Renamed to bb_bitmap_sets.
618 All value sets replaced with bitmap_sets.
620 (BB_VISITED): New macro.
621 (postorder): New variable.
622 (add_to_value): Removed.
623 (value_exists_in_set_bitmap): Ditto.
624 (value_insert_into_set_bitmap): Ditto.
628 (set_contains_value): Ditto.
629 (insert_into_set): Ditto.
631 (find_leader): Ditto.
632 (bitmap_set_subtract_from_value_set): Ditto.
633 (value_insert_into_set): Ditto.
634 (print_value_set): Ditto.
635 (debug_value_set): Ditto.
636 (constant_expr_p): New function.
637 (bitmap_remove_from_set): Ditto.
638 (bitmap_insert_into_set): Ditto.
639 (bitmap_set_free): Ditto.
641 (sorted_array_from_bitmap_set): Ditto.
642 (bitmap_set_subtract): Ditto.
643 (bitmap_set_equal): Ditto.
644 (debug_bitmap_set): Ditto.
645 (find_leader_in_sets): Ditto.
646 (bitmap_set_replace_value): Modify for bitmapped sets.
647 (phi_translate): Ditto.
648 (phi_translate_set): Ditto.
649 (bitmap_find_leader): Ditto.
650 (valid_in_sets): Ditto.
651 (union_contains_value): Ditto.
653 (compute_antic_aux): Ditto. Mark changed blocks.
654 (compute_antic): Ditto. Iterate in postorder and only over
656 (compute_rvuse_and_antic_safe): Reuse postorder.
657 (create_component_ref_by_pieces): Modify for bitmapped sets.
658 (find_or_generate_expression): Ditto.
659 (create_expression_by_pieces): Ditto.
660 (insert_into_preds_of_block): Ditto.
661 (changed_blocks): New variable.
662 (do_regular_insertion): Broken out from insert_aux.
663 (insert_aux): Modified for bitmapped sets.
664 (find_existing_value_expr): New function.
665 (create_value_expr_from): Use it.
666 (insert_extra_phis): Removed.
667 (print_bitmap_set): Renamed from bitmap_print_value_set.
668 (compute_avail): Handle RETURN_EXPR.
669 (init_pre): Modify for bitmapped sets.
670 * tree-flow.h (has_stmt_ann): New function.
672 2006-10-29 Roger Sayle <roger@eyesopen.com>
674 * builtins.c (fold_builtin_floor): Check for the availability of
675 the C99 trunc function before transforming floor into trunc.
677 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * builtins.c (fold_builtin_hypot): Rearrange recursive
680 transformation before others, and also do ABS_EXPR. When
681 necessary, check flag_unsafe_math_optimizations. When necessary,
684 2006-10-29 Roger Sayle <roger@eyesopen.com>
686 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
687 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
688 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
689 Fold -X eq/ne -Y as X eq/ne Y.
691 2006-10-29 Richard Sandiford <richard@codesourcery.com>
693 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
694 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
695 rather than GENERATE_MULT3_SI in the various define_peephole2s.
696 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
697 Use an inclusive test for "mult" rather than "mul".
698 (rotr<mode>3): Depend on ISA_HAS_ROR.
699 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
701 (GENERATE_MULT3_DI): Delete.
702 (ISA_HAS_64BIT_REGS): Use consistent formatting.
703 (ISA_HAS_MUL3): New macro.
704 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
705 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
706 (ISA_HAS_CLZ_CLO): Likewise.
707 (ISA_HAS_DCLZ_DCLO): Delete.
708 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
709 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
710 the VR4120 and VR4130.
711 (ISA_HAS_MACCHI): Use consistent formatting.
712 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
713 (ISA_HAS_ROR): ...this new macro.
714 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
715 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
716 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
718 2006-10-29 Roger Sayle <roger@eyesopen.com>
720 PR tree-optimization/15458
721 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
724 2006-10-29 Richard Guenther <rguenther@suse.de>
726 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
727 (ix86_expand_truncdf_32): Likewise.
728 * config/i386/i386.c (ix86_expand_trunc): New function expanding
729 trunc inline for SSE math and -fno-trapping-math and if not
731 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
732 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
733 for expanding btrunc inline for SSE math.
735 2006-10-29 Joseph Myers <joseph@codesourcery.com>
737 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
738 Handle tuning for bi-arch i[34567]86-*-linux* like that for
739 i[34567]86-*-solaris2.1[0-9]*.
740 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
741 Define conditionally depending on TARGET_64BIT_DEFAULT.
742 (SPEC_32, SPEC_64): Define.
743 (LINK_SPEC): Use them.
744 * doc/install.texi (--enable-targets=all): Document for x86-linux.
746 2006-10-29 Richard Guenther <rguenther@suse.de>
748 * config/i386/i386-protos.h (ix86_expand_round): Declare.
749 (ix86_expand_rounddf_32): Likewise.
750 * config/i386/i386.c (ix86_expand_round): New function expanding
751 round inline for SSE math and -fno-trapping-math and if not
753 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
754 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
755 round via ix86_expand_round.
757 2006-10-29 Richard Guenther <rguenther@suse.de>
759 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
760 (ix86_expand_floorceildf_32): Likewise.
761 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
762 static helper function.
763 (ix86_expand_floorceil): Expander for floor and ceil to SSE
765 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
766 * config/i386/i386.md (floordf2): Adjust to enable floor
767 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
768 -fno-trapping-math is enabled and if not optimizing for size.
769 (floorsf2, ceildf2, ceilsf2): Likewise.
770 * config/i386/sse.md (sse_maskcmpsf3): New insn.
771 (sse2_maskcmpdf3): Likewise.
773 2006-10-29 Richard Guenther <rguenther@suse.de>
775 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
776 rint in case -fno-trapping-math is enabled.
777 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
778 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
779 (ix86_expand_sse_fabs): Likewise.
780 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
781 * config/i386/i386.md (rintdf2): Enable for SSE math if
782 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
785 2006-10-29 Richard Guenther <rguenther@suse.de>
787 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
788 to conversion optabs.
789 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
791 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
792 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
793 (lfloor_optab, lceil_optab): Adjust defines.
794 * builtins.c (expand_builtin_int_roundingfn): Adjust for
795 lfloor and lceil optabs now being conversion optabs.
796 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
797 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
798 New static helper function.
799 (ix86_expand_lfloorceil): New function to expand lfloor and
801 * config/i386/i386.md (lfloor<mode>2): Split into ...
802 (lfloorxf<mode>2): ... x87 variant
803 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
804 using ix86_expand_lfloorceil.
805 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
807 * doc/md.texi (lfloorMN, lceilMN): Document.
809 2006-10-29 Richard Sandiford <richard@codesourcery.com>
811 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
812 -mno-shared assembler option on mips targets.
813 * configure, config.in: Regenerate.
814 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
815 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
816 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
818 2006-10-29 Richard Sandiford <richard@codesourcery.com>
820 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
821 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
823 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
825 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
826 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
829 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
832 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
833 (fold_builtin_pow): Evaluate constant arguments at compile-time
835 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
836 (do_mpfr_ckconv): New helper function.
837 (do_mpfr_arg1): Use do_mpfr_ckconv.
840 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
843 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
844 (-fdump-rtl-sched): Rename to ..
845 (-fdump-rtl-sched1): here. Also fix file extension number.
847 2006-10-28 Richard Guenther <rguenther@suse.de>
849 * fold-const.c (maybe_canonicalize_comparison): Fix code
852 2006-10-28 Uros Bizjak <uros@kss-loka.si>
854 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
855 (NON_QI_REG_P): Use IN_RANGE.
856 (REX_INT_REGNO_P): Use IN_RANGE.
857 (FP_REGNO_P): Use IN_RANGE.
858 (SSE_REGNO_P): Use IN_RANGE.
859 (REX_SSE_REGNO_P): Use IN_RANGE.
860 (MMX_REGNO_P): Use IN_RANGE.
861 (STACK_REGNO_P): New macro.
862 (STACK_REG_P): Use STACK_REGNO_P.
863 (NON_STACK_REG_P): Use STACK_REGNO_P.
864 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
865 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
866 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
867 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
868 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
870 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
872 * except.h (output_function_exception_table): Add 'const char*' param.
873 * except.c (switch_to_exception_section): Add 'const char*' param.
874 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
875 and flag_function_sections is set, use a function-specific section.
876 (output_function_exception_table): Add 'const char*' param.
877 Adjust call to switch_to_exception_section.
878 * final.c (rest_of_handle_final): Adjust calls to
879 output_function_exception_table.
880 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
881 * config.in: Regenerate.
882 * configure: Likewise.
884 2006-10-28 Richard Guenther <rguenther@suse.de>
887 * fold-const.c (maybe_canonicalize_comparison_1): Helper
888 for maybe_canonicalize_comparison.
889 (maybe_canonicalize_comparison): New function for canonicalizing
891 (fold_comparison): Call it to canonicalize comparisons with
894 2006-10-28 Richard Guenther <rguenther@suse.de>
897 * builtins.c (expand_builtin_int_roundingfn_2): Expand
898 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
899 (expand_builtin): Adjust likewise.
900 * genopinit.c (optabs[]): Add lround optab.
901 * optabs.c (init_optabs): Initialize lround_optab.
902 * optabs.h (enum convert_optab_index): Add COI_lround.
903 (lround_optab): Define.
904 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
905 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
907 (ix86_expand_lround): New function.
908 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
910 * doc/md.texi (lroundMN2): Document.
912 2006-10-28 Uros Bizjak <uros@kss-loka.si>
915 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
916 argument to HOST_WIDE_INT. Update function prototype.
917 (round_frame_size): Change return type to HOST_WIDE_INT. Change
918 "size" argument to HOST_WIDE_INT. Update function prototype.
920 2006-10-28 Uros Bizjak <uros@kss-loka.si>
922 * config/i386/i386.c (output_387_ffreep): Create output from a
923 template string for !HAVE_AS_IX86_FFREEP.
925 2006-10-27 Eric Christopher <echristo@apple.com>
927 * config/darwin.c: Fix formatting and grammar.
929 2006-10-27 Jan Hubicka <jh@suse.cz>
931 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
932 to be thrown away soon when IGNORE is set.
933 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
934 indicating when return value shall not be computed.
935 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
937 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
939 * config/i386/i386.h (TARGET_GEODE):
940 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
941 (TARGET_CPU_DEFAULT_geode): New macro.
942 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
943 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
944 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
945 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
946 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
948 (TARGET_CPU_DEFAULT_NAMES): Add geode.
949 (processor_type): Add PROCESSOR_GEODE.
951 * config/i386/i386.md: Include geode.md.
954 * config/i386/i386.c (geode_cost): New initialized global
956 (m_GEODE, m_K6_GEODE): New macros.
957 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
958 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
959 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
960 x86_schedule): Use m_K6_GEODE instead of m_K6.
961 (x86_movx, x86_cmove): Set up m_GEODE.
962 (x86_integer_DFmode_moves): Clear m_GEODE.
963 (processor_target_table): Add entry for geode.
964 (processor_alias_table): Ditto.
966 * config/i386/geode.md: New file.
968 * doc/invoke.texi: Add entry about geode processor.
970 2006-10-27 Mike Stump <mrs@apple.com>
972 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
973 __DYNAMIC__ from here back to ...
974 * config/darwin.h (CPP_SPEC): ... here.
976 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
977 Nathan Sidwell <nathan@codesourcery.com>
979 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
980 when choosing the minimum heapsize.
982 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
984 * gcc/unwind-dw2.h: Move cfa-related variables into
985 struct frame_state_reg_info to ensure that the CFA is properly
986 handled when executing DW_CFA_{remember,restore}_state.
987 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
988 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
989 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
990 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
991 gcc/config/rs6000/linux-unwind.h,
992 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
993 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
994 Modify to use new cfa_* fields.
996 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
998 * config/s390/s390.c (s390_init_frame_layout): Check positive
1001 2006-10-26 Ben Elliston <bje@au.ibm.com>
1003 * gimplify.c (get_name): Remove extraneous break.
1004 (gimplify_omp_for): Initialise ret with GS_OK.
1006 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1008 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1009 Add unix98.o to link line.
1011 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1015 Calculate compile-time constants using MPFR.
1016 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1017 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1019 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1021 * config/xtensa/lib2funcs.S: Use C-style comments.
1023 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1025 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1026 (file_table_relative_p): Likewise.
1027 (dwarf2out_finish): Likewise.
1028 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1030 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1032 * tree-ssa-structalias.c (intra_create_variable_infos):
1033 Don't recreate nonlocal_all if it already exists.
1035 2006-10-25 Richard Guenther <rguenther@suse.de>
1038 * optabs.h (enum optab_index): Remove OTI_lrint.
1039 (enum convert_optab_index): Add COI_lrint.
1040 (lrint_optab): Adjust.
1041 (expand_sfix_optab): Declare.
1042 * optabs.c (expand_sfix_optab): New function.
1043 (init_optabs): Init lrint_optab as conversion optab.
1044 * genopinit.c (lrint_optab): Change to a conversion optab.
1045 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1046 expansion via conversion optab.
1047 * config/i386/i386.md (*fistdi2_1): Remove
1048 flag_unsafe_math_optimizations guard.
1049 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1050 fist<mode>2_with_temp): Likewise.
1051 (lrint<mode>2): Split into...
1052 (lrintxf<mode>2): ... x87 part
1053 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1054 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1055 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1056 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1057 * doc/md.texi (lrintMN2): Document.
1059 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1062 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1063 Use inc and dec instructions for TARGET_USE_INCDEC.
1064 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1065 ("sync_double_compare_and_swap<mode>"): Likewise.
1066 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1067 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1068 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1069 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1070 ("sync_old_add<mode>"): Likewise.
1071 ("sync_lock_test_and_set<mode>"): Likewise.
1072 ("sync_lock_test_and_set<mode>"): Likewise.
1073 ("sync_add<mode>"): Likewise.
1074 ("sync_sub<mode>"): Likewise.
1075 ("sync_ior<mode>"): Likewise.
1076 ("sync_and<mode>"): Likewise.
1077 ("sync_xor<mode>"): Likewise.
1079 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1081 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1082 (remainder_optab): Define corresponding macro.
1083 (drem_optab): Remove.
1084 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1085 drem_optab initialization.
1086 * genopinit.c (optabs): Implement remainder_optab using
1087 remainder?f3 patterns. Remove drem_optab.
1088 * builtins.c (expand_builtin_mathfn_2): Handle
1089 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1090 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1091 expand_builtin_mathfn_2.
1093 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1094 depend on flag_unsafe_math_optimizations.
1096 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1097 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1098 Do not depend on flag_unsafe_math_optimizations. Use
1099 truncxf?f expander instead of truncxf?f_i387_noop.
1101 ("fpremxf4", "fprem1xf4"): Do not depend on
1102 flag_unsafe_math_optimizations.
1103 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1104 flag_unsafe_math_optimizations. Use truncxf?f expander
1105 instead of truncxf?f_i387_noop.
1107 * doc/md.texi (fmod, remainder): Document standard named pattern.
1109 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1110 David Daney <ddaney@avtrex.com>
1113 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1115 2006-10-25 Ben Elliston <bje@au.ibm.com>
1117 * doc/extend.texi (Variable Attributes): Typo fix.
1119 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1121 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1122 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1123 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1124 (FRAME_POINTER_REGNUM): Update register number to 21.
1125 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1126 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1128 * config/i386/i386.c (regclass_map): Add fpcr entry.
1129 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1131 (print_reg): Assert REGNO (x) != FPCR_REG.
1133 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1134 (DIRFLAG_REG): Renumber.
1135 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1136 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1137 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1138 hardcoded SSE register numbers.
1140 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1141 hardcoded MMX register numbers.
1143 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1146 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1147 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1149 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1150 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1151 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1152 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1154 2006-10-24 Richard Guenther <rguenther@suse.de>
1157 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1158 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1159 for deciding optimizations in consistency with fold-const.c
1160 (fold_builtin_unordered_cmp): Likewise.
1162 2006-10-24 Richard Guenther <rguenther@suse.de>
1164 * builtins.c (fold_builtin_floor): Fold floor (x) where
1165 x is nonnegative to trunc (x).
1166 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1167 nonnegative to FIX_TRUNC_EXPR.
1169 2006-10-24 Richard Guenther <rguenther@suse.de>
1171 PR tree-optimization/29567
1172 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1173 for TRUTH_NOT_EXPR. Clarify comments.
1175 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1178 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1179 at compile-time using MPFR. Change parameter VALUE to FUNC,
1181 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1182 for overflow and underflow at all times and avoid folding in
1185 2006-10-24 Ben Elliston <bje@au.ibm.com>
1187 * reload1.c: Formatting fixes.
1189 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1191 PR tree-optimization/14784
1192 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1193 * tree-ssa-structalias.c (get_constraint_for,
1194 intra_create_variable_infos): Set is_heapvar.
1195 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1196 non-heapvar pointer variables specially.
1198 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1201 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1202 fold_builtin_tan): Fold all constant arguments. Take a "type"
1203 argument as necessary.
1204 (do_mpfr_arg1): New.
1205 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1207 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1209 * config/xtensa/lib1funcs.asm: Use C-style comments.
1211 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1213 * tree.c (local_define_builtin): Replace calls to
1214 lang_hooks.builtin_function with add_builtin_function.
1215 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1217 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1219 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1220 common code to add_builtin_function.
1221 * langhooks.c (add_builtin_function): New function.
1222 (lhd_builtin_function): New function.
1223 * langhooks.h (struct lang_hooks): Change the signature of
1225 (add_builtin_function): New function.
1226 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1227 calls to lang_hooks.builtin_function with add_builtin_function.
1228 * c-common.c (decl_builtin_1): Replace calls to
1229 lang_hooks.builtin_function with add_builtin_function.
1230 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1231 lang_hooks.builtin_function with add_builtin_function.
1232 * config/frv/frv.c (def_builtin): Replace calls to
1233 lang_hooks.builtin_function with add_builtin_function.
1234 * config/s390/s390.c (s390_init_builtins): Replace calls to
1235 lang_hooks.builtin_function with add_builtin_function.
1236 * config/sparc/sparc.c (def_builtin): Replace calls to
1237 lang_hooks.builtin_function with add_builtin_function.
1238 * config/i386/i386.c (def_builtin): Replace calls to
1239 lang_hooks.builtin_function with add_builtin_function.
1240 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1241 lang_hooks.builtin_function with add_builtin_function.
1242 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1243 lang_hooks.builtin_function with add_builtin_function.
1244 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1245 Replace calls to lang_hooks.builtin_function with
1246 add_builtin_function.
1247 * config/iq2000/iq2000.c (def_builtin):
1248 Replace calls to lang_hooks.builtin_function with
1249 add_builtin_function.
1250 * config/ia64/ia64.c (def_builtin): Replace calls to
1251 lang_hooks.builtin_function with add_builtin_function.
1252 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1253 lang_hooks.builtin_function with add_builtin_function.
1254 (altivec_init_builtins): Replace calls to
1255 lang_hooks.builtin_function with add_builtin_function.
1256 * config/arm/arm.c (def_mbuiltin): Replace calls to
1257 lang_hooks.builtin_function with add_builtin_function.
1258 (arm_init_tls_builtins): Replace calls to
1259 lang_hooks.builtin_function with add_builtin_function.
1260 * config/mips/mips.c (mips_init_builtins): Replace calls to
1261 lang_hooks.builtin_function with add_builtin_function.
1262 * config/bfin/bfin.c (def_builtin): Replace calls to
1263 lang_hooks.builtin_function with add_builtin_function.
1264 * langhooks-def.h (lhd_builtin_function): New function.
1265 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1267 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1269 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1270 BUILT_IN_STRNCAT_CHK.
1272 2006-10-23 Jan Hubicka <jh@suse.cz>
1274 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1275 don't do conversion from memmove to memcpy here.
1276 (expand_builtin_bcopy, expand_builtin): Update call of
1277 expand_builtin_memmove.
1278 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1280 2006-10-23 Paul Brook <paul@codesourcery.com>
1282 * stor-layout.c (start_record_layout): maximum_field_alignment
1283 overrides STRUCTURE_SIZE_BOUNDARY.
1285 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1287 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1288 nonlocal function symbols if flag_pic.
1290 2006-10-23 Richard Guenther <rguenther@suse.de>
1294 * builtins.c (fold_binary): Remove checks for flag_wrapv
1295 and flag_trapv where negate_expr_p covers these cases.
1297 2006-10-23 Richard Guenther <rguenther@suse.de>
1300 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1301 of two on the absolute value.
1302 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1303 and negating -C does not overflow.
1305 2006-10-23 Richard Guenther <rguenther@suse.de>
1308 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1309 only if not flag_rounding_math.
1311 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1312 Kaz Kojima <kkojima@gcc.gnu.org>
1315 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1316 SImode memory reference for the source of a movua.
1317 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1318 (movua): Use an unspec instead of sign_extract. Expect the source
1319 to have mode BLKmode.
1320 (extv, insv): Use a BLKmode rather than SImode memory reference
1321 for the source of a movua.
1323 2006-10-22 Jeff Law <law@redhat.com>
1324 Richard Guenther <rguenther@suse.de>
1326 PR tree-optimization/15911
1327 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1328 (register_edge_assert_for_1): Likewise.
1329 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1330 (find_conditional_asserts): Adjust for new function signature.
1331 (find_assert_locations): Likewise.
1333 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1335 * config/i386/tmmintrin.h: Remove the duplicated content.
1337 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1339 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1340 (x86_64-*-*): Likewise.
1342 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1343 (override_options): Check SSSE3.
1344 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1345 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1346 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1347 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1348 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1349 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1350 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1351 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1352 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1353 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1354 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1355 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1356 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1357 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1358 IX86_BUILTIN_PABSD128.
1359 (bdesc_2arg): Add SSSE3.
1360 (bdesc_1arg): Likewise.
1361 (ix86_init_mmx_sse_builtins): Support SSSE3.
1362 (ix86_expand_builtin): Likewise.
1363 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1365 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1366 (UNSPEC_PSIGN): Likewise.
1367 (UNSPEC_PALIGNR): Likewise.
1368 Include mmx.md before sse.md.
1370 * config/i386/i386.opt: Add -mssse3.
1372 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1373 (ssse3_phaddwv4hi3): Likewise.
1374 (ssse3_phadddv4si3): Likewise.
1375 (ssse3_phadddv2si3): Likewise.
1376 (ssse3_phaddswv8hi3): Likewise.
1377 (ssse3_phaddswv4hi3): Likewise.
1378 (ssse3_phsubwv8hi3): Likewise.
1379 (ssse3_phsubwv4hi3): Likewise.
1380 (ssse3_phsubdv4si3): Likewise.
1381 (ssse3_phsubdv2si3): Likewise.
1382 (ssse3_phsubswv8hi3): Likewise.
1383 (ssse3_phsubswv4hi3): Likewise.
1384 (ssse3_pmaddubswv8hi3): Likewise.
1385 (ssse3_pmaddubswv4hi3): Likewise.
1386 (ssse3_pmulhrswv8hi3): Likewise.
1387 (ssse3_pmulhrswv4hi3): Likewise.
1388 (ssse3_pshufbv16qi3): Likewise.
1389 (ssse3_pshufbv8qi3): Likewise.
1390 (ssse3_psign<mode>3): Likewise.
1391 (ssse3_psign<mode>3): Likewise.
1392 (ssse3_palignrti): Likewise.
1393 (ssse3_palignrdi): Likewise.
1394 (abs<mode>2): Likewise.
1395 (abs<mode>2): Likewise.
1397 * config/i386/tmmintrin.h: New file.
1399 * doc/extend.texi: Document SSSE3 built-in functions.
1401 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1403 2006-10-22 Ira Rosen <irar@il.ibm.com>
1405 * tree-vect-transform.c (vectorizable_load): Use the type of the
1406 return value of the mask_for_load builtin to create realign_load
1409 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1411 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1414 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1416 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1417 (UNSPEC_LDDQU): This.
1418 * config/i386/sse.md (sse3_lddqu): Updated.
1420 2006-10-21 Richard Guenther <rguenther@suse.de>
1422 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1423 (expand_builtin): Use it to expand lrint instead of
1424 expand_builtin_mathfn.
1426 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1429 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1430 flag_unsafe_math_optimizations is set.
1432 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1435 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1436 patterns to use memory input operand in x87->mem->XMM
1437 reload sequences. Skip transformation for TARGET_K8.
1439 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1441 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1442 force operand1 to register if both operands are memory operands.
1443 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1444 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1445 if both operands are memory operands.
1446 (truncdfsf2): Do not force operand1 to register if both operands
1447 are memory operands.
1449 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1451 * Makefile.in (LIBS): Add $(GMPLIBS).
1452 * doc/install.texi: Update GMP and MPFR requirements.
1453 * doc/sourcebuild.texi (need_gmp): Delete.
1455 2006-10-21 Richard Guenther <rguenther@suse.de>
1457 PR tree-optimization/3511
1458 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1459 got new invariant arguments during PHI translation.
1461 2006-10-21 Richard Guenther <rguenther@suse.de>
1464 * fold-const.c (fold_comparison): Fold signed comparisons
1465 of the form X +- C1 CMP Y +- C2.
1467 2006-10-21 Richard Guenther <rguenther@suse.de>
1470 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1471 if flag_unsafe_math_optimizations is specified. We have
1472 flag_finite_math_only for that.
1473 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1474 or flag_unsafe_math_optimizations.
1476 2006-10-21 Richard Guenther <rguenther@suse.de>
1478 * builtins.c (fold_builtin_classify): Fix typo.
1480 2006-10-21 Richard Guenther <rguenther@suse.de>
1483 * simplify-rtx.c (simplify_const_relational_operation):
1484 Do not constant-fold ORDERED and UNORDERED for
1485 flag_unsafe_math_optimizations but only we do not need to
1486 honor NaNs for the given mode.
1488 2006-10-21 Richard Guenther <rguenther@suse.de>
1491 * config/i386/i386.c (classify_argument): Remove redundant
1492 walking of the BINFOs.
1493 (contains_128bit_aligned_vector_p): Likewise.
1495 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1497 * BASE-VER: Set to 4.3.0.
1499 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1501 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1502 (tree_decl_with_vis): Remove artificial_pta_var flag.
1503 * tree-flow.h (referenced_var_check_and_insert): Expose.
1504 (nonlocal_all): New prototype.
1505 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1506 (nonlocal_all): Make global.
1507 (nonlocal_lookup): Remove.
1508 (nonlocal_insert): Ditto.
1509 (create_nonlocal_var): Do not call nonlocal_insert.
1510 (get_nonlocal_id_for_type): Remove.
1511 (find_global_initializers): Mark new vars we find for renaming.
1512 (intra_create_variable_infos): Only create one nonlocal.
1513 (expand_nonlocal_solutions): Remove.
1514 (compute_points_to_sets): Don't call it.
1515 (ipa_pta_execute): Ditto.
1516 (init_alias_heapvars): Don't create nonlocal_for_type.
1517 (delete_alias_heapvars): Don't remove it.
1518 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1521 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1523 * doc/install.texi (Downloading GCC): Clarify mention of
1524 Fortran in the "full distribution" description.
1526 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1528 Fix PR tree-optimization/28778
1529 Fix PR tree-optimization/29156
1530 Fix PR tree-optimization/29415
1531 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1532 (tree_decl_with_vis): Add artificial_pta_var flag.
1533 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1534 pushed into callers.
1535 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1536 (nonlocal_all): Ditto.
1537 (struct variable_info): Add directly_dereferenced member.
1538 (var_escaped_vars): New variable.
1539 (escaped_vars_tree): Ditto.
1540 (escaped_vars_id): Ditto.
1541 (nonlocal_vars_id): Ditto.
1542 (new_var_info): Set directly_dereferenced.
1543 (graph_size): New variable
1544 (build_constraint_graph): Use graph_size.
1545 (solve_graph): Don't process constraints that cannot change the
1546 solution, don't try to propagate an empty solution to our
1548 (process_constraint): Set directly_dereferenced.
1549 (could_have_pointers): New function.
1550 (get_constraint_for_component_ref): Don't process STRING_CST.
1551 (nonlocal_lookup): New function.
1552 (nonlocal_insert): Ditto.
1553 (create_nonlocal_var): Ditto.
1554 (get_nonlocal_id_for_type): Ditto.
1555 (get_constraint_for): Allow results vector to be empty in the case
1556 of string constants.
1557 Handle results of calls properly.
1558 (update_alias_info): Update alias info stats on number and type of
1560 (find_func_aliases): Use could_have_pointers.
1561 (make_constraint_from_escaped): Renamed from
1562 make_constraint_to_anything, and changed to make constraints from
1564 (make_constraint_to_escaped): New function.
1565 (find_global_initializers): Ditto.
1566 (create_variable_info_for): Make constraint from escaped to any
1567 global variable, and from any global variable to the set of
1569 (intra_create_variable_infos): Deal with escaped instead of
1570 pointing to anything.
1571 (set_uids_in_ptset): Do type pruning on directly dereferenced
1573 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1574 (init_base_vars): Fix comment, and initialize escaped_vars.
1575 (need_to_solve): Removed.
1576 (find_escape_constraints): New function.
1577 (expand_nonlocal_solutions): Ditto.
1578 (compute_points_to_sets): Call find_escape_constraints and
1579 expand_nonlocal_solutions.
1580 (delete_points_to_sets): Don't fall off the end of the graph.
1581 (init_alias_heapvars): Initialize nonlocal_for_type and
1583 (delete_alias_heapvars): Free nonlocal_for_type and null out
1586 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1588 * fold-const.c (add_double): Rename to add_double_with_sign.
1589 Add 'unsigned_p' parameter and take it into account for the overflow.
1590 (mul_double): Rename to mul_double_with_sign.
1591 Add 'unsigned_p' parameter and take it into account for the overflow.
1592 (fold_div_compare): Call add_double_with_sign instead of add_double
1593 and mul_double_with_sign instead of mul_double, passing them the
1594 unsignedness of the type.
1595 * tree.h (add_double): Macroize.
1596 (add_double_with_sign): New prototype.
1597 (mul_double): Macroize.
1598 (mul_double_with_sign): New prototype.
1600 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1602 * config/score/crti.asm: New file.
1603 * config/score/crtn.asm: New file.
1604 * config/score/elf.h: New file.
1605 * config/score/mac.md: New file.
1606 * config/score/misc.md: New file.
1607 * config/score/mul-div.S: New file.
1608 * config/score/predicates.md: New file.
1609 * config/score/score7.md: New file.
1610 * config/score/score.c: New file.
1611 * config/score/score-conv.h: New file.
1612 * config/score/score.h: New file.
1613 * config/score/score.md: New file.
1614 * config/score/score-mdaux.c: New file.
1615 * config/score/score-mdaux.h: New file.
1616 * config/score/score-modes.def: New file.
1617 * config/score/score.opt: New file.
1618 * config/score/score-protos.h: New file.
1619 * config/score/score-version.h: New file.
1620 * config/score/t-score-elf: New file.
1621 * config.gcc: Add score*-*-* configurations(Update before).
1622 * doc/invoke.texi (Score Options): New section.
1623 * doc/md.texi (Score family): New section to document constraints.
1625 2006-10-19 Nick Clifton <nickc@redhat.com>
1627 * config/arm/arm.c: Fix spelling typo.
1629 2006-10-18 Tom Tromey <tromey@redhat.com>
1631 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1633 2006-10-18 Jan Hubicka <jh@suse.cz>
1636 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1639 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1641 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1642 TSI_SAME_STMT, since that's the desired entity.
1644 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1646 * config/s390/contraints.md: New file.
1647 * config/s390/s390-protos.h (s390_mem_constraint,
1648 s390_O_constraint_str, s390_N_constraint_str,
1649 s390_float_const_zero_p): Function prototypes added.
1650 * config/s390/s390.c (s390_extra_constraint_str,
1651 s390_const_double_ok_for_constraint_p,
1652 s390_const_ok_for_constraint_p): Functions removed.
1653 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1654 s390_float_const_zero_p): New functions.
1655 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1656 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1657 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1658 Macro definitions removed.
1659 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1660 s390_extra_constraint_str): Functions removed.
1662 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1663 Richard Sandiford <richard@codesourcery.com>
1666 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1667 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1669 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1671 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1672 (DWARF2_FRAME_REG_OUT): Likewise.
1673 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1674 (DWARF2_FRAME_REG_OUT): Likewise.
1676 2006-10-17 Paul Brook <paul@codesourcery.com>
1678 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1680 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1682 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1683 Standardize on "GNU Fortran" as the official name of the Fortran
1686 2006-10-16 Mike Stump <mrs@apple.com>
1688 * doc/invoke.texi (Darwin Options): Document -mkernel.
1689 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1691 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1692 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1693 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1694 (OS_MISSING_ALTIVEC): Add.
1695 * config/i386/i386.c (override_options): Add
1696 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1697 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1698 -mkernel, -static or -mdynamic-no-pic is given.
1699 (C_COMMON_OVERRIDE_OPTIONS): Add.
1700 * config/darwin.opt (fapple-kext): Add.
1702 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1703 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1705 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1706 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1707 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1708 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1709 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1710 (flag_mkernel): Add.
1711 (flag_apple_kext): Add.
1712 (TARGET_KEXTABI): Add.
1713 * config/darwin.c (darwin_handle_kext_attribute): Add.
1714 (DARWIN_VTABLE_P): Add.
1715 (darwin_binds_local_p): Add partial support for rebinding vtables
1717 (darwin_kextabi_p): Add.
1718 (darwin_override_options): Add.
1719 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1720 (darwin_kextabi_p): Add.
1721 (darwin_override_options): Add.
1722 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1723 __DYNAMIC__ and __STATIC__ here.
1725 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1727 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1728 Added mention of "make pdf" target, and Texinfo requirements for
1731 2006-10-16 DJ Delorie <dj@redhat.com>
1733 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1734 into the GOT in case we need a subreg of the address.
1736 2006-10-16 Richard Guenther <rguenther@suse.de>
1739 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1740 SSE builtin documentation. Document SSE2 builtins.
1742 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1744 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1745 symbol in the output file for non-shared links when -nostdlib or
1746 -nodefaultlibs isn't specified.
1748 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1749 posix thread support.
1751 2006-10-15 Jan Hubicka <jh@suse.cz>
1754 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1755 declared always_inline even when not inlining.
1757 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1758 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1759 Andrew Pinski <pinskia@gmail.com>
1762 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1764 2006-10-15 Jan Hubicka <jh@suse.cz>
1765 Richard Guenther <rguenther@suse.de>
1768 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1769 process_function_and_variable_attributes on all variables, including
1770 those discovered during cgraph construction phase.
1772 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1774 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1776 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1778 * config/i386/athlon.md (athlon_fist): Add fisttp.
1780 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1781 Ian Lance Taylor <ian@airs.com>
1784 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1785 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1788 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1790 * config/score/score.c, config/score/score.h: Fix comment
1793 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1796 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1799 2006-10-13 Eric Christopher <echristo@apple.com>
1801 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1803 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1806 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1807 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1808 alignment supported by 32-bit ELF.
1810 2006-10-13 Eric Christopher <echristo@apple.com>
1812 * config/darwin.c (darwin_emit_unwind_label): Strip
1813 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1815 2006-10-13 Richard Guenther <rguenther@suse.de>
1817 PR tree-optimization/29446
1818 * tree-vrp.c (fix_equivalence_set): Remove.
1819 (extract_range_from_assert): Do not call fix_equivalence_set.
1820 (debug_value_range): Print a newline.
1821 (compare_name_with_value): For equivalence sets with
1822 inconsistent value ranges conservatively bail out.
1823 (compare_names): Likewise.
1825 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1827 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1828 and MPFR for gfortran.
1830 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1832 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1833 alignment supported by 32-bit ELF.
1835 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1839 * c-typeck.c (digest_init): Always allow initializing vectors
1840 that have static storage duration with compound literals.
1841 * tree.c (build_type_attribute_qual_variant): New, based on
1842 build_type_attribute_variant.
1843 (build_type_attribute_variant): Rewrite using the former.
1844 (make_vector_type): Use build_type_attribute_qual_variant to build
1845 type variants. Use type_hash_canon on the others.
1847 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1848 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1850 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1852 2006-10-12 Jan Hubicka <jh@suse.cz>
1855 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1856 current_function_decl is set but current_function_scope is not.
1858 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1860 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1861 emit_insn to emit eh_return_internal instruction.
1862 (eh_return_internal): Explicitly set pc.
1864 2006-10-11 Richard Guenther <rguenther@suse.de>
1866 PR tree-optimization/28230
1867 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1868 to the correct place.
1870 2006-10-11 Richard Guenther <rguenther@suse.de>
1873 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1876 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1878 * configure.ac: Added pdf to "Make-hooks"
1879 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1880 targets and *.pdf file patterns in cleanup targets.
1881 * configure: Regenerated.
1883 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1885 * config/avr/predicates.md: New file.
1886 * config/avr/avr.md: Include it.
1887 (REG_SP): New constant.
1888 (peepholes): Use predicates.
1889 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1890 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1891 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1893 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1895 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1898 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1901 * builtins.c (var_decl_component_p): New function.
1902 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1903 single entry optimization to variables and components thereof.
1905 2006-10-10 Richard Guenther <rguenther@suse.de>
1907 PR rtl-optimization/29323
1908 * except.c (set_nothrow_function_flags): For functions
1909 that do not bind local bail out early.
1911 2006-10-10 Ben Elliston <bje@au.ibm.com>
1913 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1916 2006-10-09 Richard Henderson <rth@redhat.com>
1918 Revert emutls patch.
1920 2006-10-09 Richard Guenther <rguenther@suse.de>
1923 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1926 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1929 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1930 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1931 * configure: Regenerate.
1932 * config.in: Regenerate.
1934 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1936 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1938 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1940 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1941 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1942 Remove stray newline.
1944 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1946 * config/mips/mips.c (mips_classify_symbol): Do not return
1947 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1948 (mips_in_small_data_p): Tweak comments.
1950 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1952 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1954 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1956 * gimplify.c, sched-int.h: Fix comment typos.
1958 * sched-int.h: Fix comment typos.
1960 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1962 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1964 * sched-ebb.c (begin_schedule_ready): Use them.
1965 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1966 add_to_speculative_block, create_check_block_twin, speculate_insn,
1967 fix_jump_move, move_block_after_check): Ditto.
1968 * sched-rgn.c (new_ready): Ditto.
1970 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1972 PR rtl-optimization/29128
1973 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1974 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1975 allow interblock movement of speculation checks.
1977 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1980 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1981 casted to integer type.
1982 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1983 if they are significantly more expensive than [reg + index] ones.
1985 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1987 PR tree-optimization/29330
1988 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1989 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1990 on newly allocated ddrs.
1991 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1992 to VEC (loop_p, heap) pointer.
1993 (compute_data_dependences_for_loop): Adjust caller.
1994 (free_dependence_relations): Free DDR_LOOP_NEST.
1996 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1997 free DEPENDENCE_RELATIONS and DATAREFS.
2000 * builtins.c (expand_builtin_sync_operation,
2001 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2002 Use convert_to_mode to handle promoted arguments.
2004 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2006 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2008 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2010 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2012 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2014 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2015 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2016 Use <modeconstraint> instead of "r" as operand 1 constraint.
2018 2006-10-06 Olivier Hainque <hainque@adacore.com>
2020 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2021 Don't recurse on the pointed-to type.
2022 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2023 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2024 types with components of variable size.
2026 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2028 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2030 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2032 PR tree-optimization/29290
2033 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2037 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2038 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2041 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2042 the number of vector elements fill the rest with zeros.
2044 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2046 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2047 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2050 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2052 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2053 unnamed pattern into subsi3. Use correct constraints/predicates.
2054 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2055 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2057 2006-10-05 Ira Rosen <irar@il.ibm.com>
2059 * doc/loop.texi: Add data references analysis description.
2061 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2063 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2065 2006-10-04 Richard Henderson <rth@redhat.com>
2066 Jakub Jelinek <jakub@redhat.com>
2068 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2069 * builtin-types.def (BT_WORD): Make unsigned.
2070 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2071 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2072 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2073 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2074 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2075 * cgraph.c (decide_is_variable_needed): Look at force_output.
2076 Recurse for emulated tls.
2077 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2078 checks redundant with decide_is_variable_needed.
2079 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2080 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2082 * expr.c (emutls_var_address): New.
2083 (expand_expr_real_1): Expand emulated tls.
2084 (expand_expr_addr_expr_1): Likewise.
2085 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2086 * output.h (emutls_finish): Declare.
2087 * toplev.c (compile_file): Call it.
2088 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2089 address before wrapping in CONST.
2090 * varasm.c (emutls_htab, emutls_object_type): New.
2091 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2092 (get_emutls_object_name, get_emutls_object_type): New.
2093 (get_emutls_init_templ_addr, emutls_decl): New.
2094 (emutls_common_1, emutls_finish): New.
2095 (assemble_variable): When emulating tls, swap decls; generate
2096 constructor for the emutls objects.
2097 (do_assemble_alias): When emulating tls, swap decl and target name.
2098 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2100 * emutls.c: New file.
2101 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2102 tls_object for real tls.
2104 2006-10-04 Zack Weinberg <zackw@panix.com>
2106 Fix bug in constraint-check generator, reported by Rask Ingemann
2108 * genpreds.c (add_constraint): Don't remove anything from the
2110 (write_tm_constrs_h): Detect whether "op" argument is used, and
2111 mark it ARG_UNUSED if it isn't.
2112 (write_insn_const_int_ok_for_constraint): Skip the part of the
2113 expression that would test whether "op" (which is not available
2114 here) is a CONST_INT.
2116 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2119 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2121 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2123 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2124 current Leopard versions.
2125 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2127 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2129 * doc/install.texi: Fix typos.
2131 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2133 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2134 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2135 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2137 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2139 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2140 arg to be struct mach_header_64* instead.
2142 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2145 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2146 side effects after the outer expression's post side effects.
2148 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2150 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2151 comments to reflect actual behavior and relationship between
2152 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2154 * doc/c-tree.texi (Working with declarations): Fix documentation
2155 of FIELD_DECL likewise.
2157 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2160 * doc/extend.texi: Add used variable attribute description.
2162 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2165 * c.opt (Woverride-init): New.
2166 * c-opts.c (c_common_post_options): Default warn_override_init to
2168 * c-typeck.c (add_pending_init, output_init_element): Warn for
2169 overriding initializers without side effects.
2170 * doc/invoke.texi (-Woverride-init): Document.
2173 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2175 PR rtl-optimization/28096
2176 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2177 assignment has already been used as a destination earlier in the block.
2179 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2181 * builtins.c (expand_builtin_setjmp): Delete.
2182 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2183 <BUILT_IN_SETJMP_SETUP>: New case.
2184 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2185 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2186 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2187 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2188 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2189 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2190 (lower_function_body): Initialize it to false. If it is set to true
2191 at the end of the processing, emit the setjmp dispatcher.
2192 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2193 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2194 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2195 on the rhs of the assignment.
2196 (lower_builtin_setjmp): New function.
2197 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2198 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2199 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2200 to detect calls that can go to non-local labels. Use specific
2201 helper to create the abnormal edges associated with them.
2202 <MODIFY_EXPR>: Likewise.
2203 (make_abnormal_goto_edges): New function extracted from...
2204 (make_goto_expr_edges): ...here. Call it for computed gotos.
2205 (simple_goto_p): Minor tweak.
2206 (tree_can_make_abnormal_goto): New predicate.
2207 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2208 (tree_purge_dead_abnormal_call_edges): New function.
2209 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2210 (tree_purge_dead_abnormal_call_edges): Likewise.
2211 (make_abnormal_goto_edges): Likewise.
2212 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2213 Purge all dead abnormal edges if the call was in the last statement.
2214 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2215 (execute_fixup_cfg): If there are non-local labels in the function,
2216 scan the basic blocks and split them at calls that can go to non-local
2217 labels or add missing abnormal call edges. Write down the CFG in the
2219 (pass_fixup_cfg): Remove TODO_dump_func flag.
2220 * unwind-sjlj.c: Poison setjmp.
2221 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2222 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2223 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2224 (DONT_USE_BUILTIN_SETJMP): Document it.
2226 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2229 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2230 to 1 when __ppc64__ is defined.
2231 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2233 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2235 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2237 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2238 * config/ia64/unwind-hpux.c: Delete.
2240 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2242 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2243 on the element before gimplifying it, instead of punting if it is of
2246 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2248 * doc/loop.texi: New file.
2249 * doc/gccint.texi: Reference loop.texi.
2250 * Makefile.in (loop.texi): Add.
2252 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2254 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2256 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2257 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2259 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2261 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2263 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2265 * doc/install.texi: Document required versions of GMP and MPFR.
2267 2006-09-27 Paul Brook <paul@codesourcery.com>
2270 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2272 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2274 * reload1.c (alter_reg): Require the alignment of the stack slot to
2275 be at least reg_max_ref_width bytes.
2276 (scan_paradoxical_subregs): Record the largest width in
2279 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2283 * tree-nested.c (struct nesting_info): Added static_chain_added.
2284 (convert_call_expr): Set static_chain_added when adding static
2285 chain. Handle OMP_PARALLEL and OMP_SECTION.
2287 2006-09-25 Matthias Klose <doko@debian.org>
2289 * doc/invoke.texi: Add missing full stop.
2291 2006-09-25 Richard Henderson <rth@redhat.com>
2293 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2294 before cgraph_function_flags_ready.
2296 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2297 Adam Nemet <anemet@caviumnetworks.com>
2299 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2300 determine_common_wider_type): New functions.
2301 (get_computation_aff): Use them to simplify arithmetic between
2302 UBASE and CBASE if they are shortened from the same type.
2304 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2307 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2308 -2147483647 - 1 instead of 0x80000000.
2310 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2312 * flags.h (HONOR_NANS): Fix typo in comment.
2314 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2316 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2318 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2322 * tree.c (merge_attributes, attribute_list_contained): If both
2323 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2325 * c-typeck.c (comptypes_internal): Don't consider aggregates
2326 in different TUs as compatible if there one set of attributes is
2327 not a subset of the other type's attributes.
2328 (composite_type): Try harder not to create a new aggregate type.
2330 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2332 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2333 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2334 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2335 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2336 than replicating condition above.
2337 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2339 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2340 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2341 the linker by default.
2343 2006-09-22 Mike Stump <mrs@apple.com>
2345 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2348 2006-09-22 Richard Guenther <rguenther@suse.de>
2351 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2352 sort of stack variables stable.
2354 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2357 * explow.c (force_reg): Set REG_POINTER flag according to
2360 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2362 PR tree-optimization/28888
2363 * tree-if-conv.c (combine_blocks): Rewritten.
2364 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2365 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2367 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2369 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2372 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2374 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2376 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2378 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2380 2006-09-21 Roger Sayle <roger@eyesopen.com>
2383 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2384 dw_fde_current_label, to be the start of the function, i.e. the same
2385 value as dw_fde_begin.
2387 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2389 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2390 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2391 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2392 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2393 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2394 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2395 (abs<mode>2, neg<mode>2): Likewise.
2396 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2397 (*mips_abs_ps): New define_insn.
2399 2006-09-20 Josh Conner <jconner@apple.com>
2402 * calls.c (expand_call): Allow reuse of structure return stack
2405 2006-09-20 Paul Brook <paul@codesourcery.com>
2407 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2410 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2412 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2413 clean up terminology.
2415 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2418 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2419 with tablejumps in them.
2421 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2424 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2425 wrap it into TARGET_EXPR.
2427 2006-09-20 Eric Christopher <echristo@apple.com>
2429 * config/i386/i386.c (x86_fisttp): Remove.
2430 * config/i386/i386.h (x86_fisttp): Ditto.
2431 (TARGET_FISTTP): Ditto.
2433 2006-09-19 Eric Christopher <echristo@apple.com>
2435 * doc/tm.texi (OBJC_JBLEN): Describe.
2436 * config/i386/darwin.h (OBJC_JBLEN): Define.
2437 * config/rs6000/darwin.h: Ditto.
2439 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2441 PR rtl-optimization/21299
2442 * reload1.c (reload): Purge invalid ASMs in the final pass.
2444 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2447 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2448 pointers as legitimate constants.
2450 2006-09-19 Paul Brook <paul@codesourcery.com>
2453 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2455 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2457 PR tree-optimization/28887
2458 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2459 component parts from the reference.
2460 (gather_memory_references_ref): Record the reference without the
2461 nonaddressable component parts.
2463 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2466 * c-opts.c (c_common_handle_option): Ignore the -std options
2467 if the input language is assembly.
2469 2006-09-17 Ira Rosen <irar@il.ibm.com>
2472 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2474 (ptr_ptr_may_alias_p): Likewise.
2475 (record_record_differ_p): New function.
2476 (base_object_differ_p): Call record_record_differ_p.
2478 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2481 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2482 away for the expr argument.
2484 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2487 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2488 before using it for dumping after vectorizing loops.
2490 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2491 Jack Howarth <howarth@bromo.med.uc.edu>
2494 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2495 skip on error_mark_node.
2496 (rs6000_darwin64_record_arg_recurse): Likewise.
2498 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2500 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2501 * doc/rtl.texi: Remove related documentation.
2503 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2505 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2508 2006-09-15 Jim Wilson <wilson@specifix.com>
2510 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2511 Handle symbol offsets same as they are handled in ia64_expand_move
2514 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2516 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2517 Add forgotten parameter to the fprintf call.
2519 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2521 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2523 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2525 * doc/contrib.texi: Add my entry.
2527 2006-09-15 Nick Clifton <nickc@redhat.com>
2529 * doc/md.texi (Processor pipeline description): Fix typo in
2530 example of how to use the absence_set directive and reword the
2531 description to make it slightly easier to read.
2533 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2535 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2536 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2537 expanding the number of iterations.
2538 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2540 * cfgrtl.c (emit_insn_at_entry): New function.
2541 * rtl.h (emit_insn_at_entry): Declare it.
2542 * integrate.c (emit_initial_value_sets): Use it.
2544 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2546 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2548 (struct loop_work and related VEC declarations): Delete.
2549 (bfin_dump_loops): Print out new member bad.
2550 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2551 (bfin_scan_loop): Don't recurse.
2552 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2553 loops. No longer need to update outer loops if the current one is
2554 found bad. Move some validitiy checks to bfin_discover_loop.
2555 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2556 but changed not to check for nesting. Also changed to use the new bad
2558 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2559 time. Use bitmap based test to discover loop nesting.
2561 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2563 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2566 2006-09-14 Richard Guenther <rguenther@suse.de>
2567 Kazu Hirata <kazu@codesourcery.com>
2569 PR middle-end/28884.
2570 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2571 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2572 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2573 with TARGET_FUNCTION_VALUE.
2575 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2578 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2580 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2582 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2585 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2588 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2591 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2593 * basic_block.h (bb_has_eh_pred): Fix comment.
2595 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2597 * flow.c (calculate_global_regs_live): Invalidate eh registers
2598 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2599 (propagate_block): Handle eh registers as if they were set at basic
2601 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2603 * global.c (global_conflicts): Make eh registers to conflict with
2604 pseudos live at basic block begin.
2605 * basic_block.h (bb_has_eh_pred): New function.
2607 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2609 PR rtl-optimization/28982
2610 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2611 index of a PRE_MODIFY or POST_MODIFY address.
2612 * reload1.c (inc_for_reload): Use find_replacement on the original
2613 base and index registers.
2615 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2617 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2618 for -Os. Update __m128 alignment requirement.
2620 2006-09-13 Jan Hubicka <jh@suse.cz>
2622 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2624 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2626 PR rtl-optimization/28243
2627 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2628 the insn to which the note was originally attached.
2630 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2631 Roger Sayle <roger@eyesopen.com>
2633 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2634 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2635 on platforms that don't use dwarf for debug info.
2637 2006-09-12 Jason Merrill <jason@redhat.com>
2640 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2641 hard_frame_pointer_rtx after using it to update the frame pointer.
2643 2006-09-12 Roger Sayle <roger@eyesopen.com>
2645 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2646 (TARGET_ASM_CLOSE_PAREN): Likewise.
2647 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2648 (TARGET_ASM_CLOSE_PAREN): Likewise.
2650 2006-09-12 Roger Sayle <roger@eyesopen.com>
2653 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2654 frame information for frames larger than 512 Kbytes on Tru64 when
2655 using the native assembler.
2657 2006-09-12 Roger Sayle <roger@eyesopen.com>
2661 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2662 and symbols. Instead use the implementation from cse.c's hash_rtx.
2664 2006-09-12 Jan Hubicka <jh@suse.cz>
2666 PR rtl-optimization/28071
2667 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2668 (vect_transform_loop): Likewise.
2669 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2670 (new_loop_vec_info): Likewise.
2671 (destroy_loop_vec_info): Likewise.
2672 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2673 (create_stmt_ann): Likewise.
2674 (create_tree_ann): Rename to ...
2675 (create_tree_common_ann): ... this one; allocate only the common part
2677 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2678 (get_value_handle): Likewise.
2679 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2680 get_tree_common_ann.
2681 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2682 (vinfo_for_stmt): Use stmt annotations.
2683 * tree-flow.h (tree_ann_common_t): New type.
2684 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2685 (tree_ann, get_tree_ann, create_tree_ann): New.
2686 * tree-flow-inline.h (get_function_ann): Do more type checking.
2687 (stmt_ann): Likewise.
2688 (tree_ann): Rename to ...
2689 (tree_common_ann): ... this one; return ony common_ann
2690 (get_tree_ann): Rename to ...
2691 (tree_common_ann): This one; return only common_ann.
2692 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2695 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2697 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2698 with_cpu by default.
2700 * dwarf2out.c (dwarf_file_data): New.
2701 (enum dw_val_class): Add dw_val_class_file.
2702 (struct dw_val_struct): Add val_file.
2703 (file_table): Change to a hash table.
2704 (file_table_emitted): Delete.
2705 (file_table_last_lookup_index): Delete.
2706 (emitcount): Delete.
2707 (last_emitted_file): New.
2708 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2709 (init_file_table): Delete.
2710 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2711 (AT_addr): Add comment.
2715 (print_die): Handle dw_val_class_file.
2716 (print_dwarf_line_table): Update for new file table structure.
2717 (attr_checksum): Do checksum a filename.
2718 (same_dw_val_p, same_attr_p): Do compare a filename.
2719 (size_of_die): Handle dw_val_class_file.
2720 (value_format): Likewise.
2721 (output_die): Likewise. Also, call maybe_emit_file here.
2722 (struct file_info): Constify filenames. Make file_idx a pointer
2723 to a struct dwarf_file_data.
2724 (struct dir_info): Constify directory names. Remove 'used' field.
2725 (struct file_name_acquire_data): New.
2726 (file_name_acquire): New.
2727 (output_file_names): Modify to handle new file data structures.
2728 (add_src_coords_attributes): Use add_AT_file.
2729 (add_call_src_coords_attributes): Likewise.
2730 (dwarf2out_imported_module_or_decl): Likewise.
2731 (gen_subprogram_die): Modify for new file data structures.
2732 (gen_variable_die): Likewise.
2733 (file_table_eq): New.
2734 (file_table_hash): New.
2735 (file_table_last_lookup): New.
2736 (lookup_filename): Rewrite to handle new file data structures.
2737 (maybe_emit_file): Rewrite to handle new file data structures.
2738 (dwarf2out_source_line): Always call lookup_filename and
2740 (dwarf2out_init): Create file_table here.
2741 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2742 (file_table_relative_p): New.
2743 (dwarf2out_finish): Change detection of relative filenames
2744 to work with new file data structures. Move output_line_info call
2745 after debug_info output.
2747 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2752 * config/i386/i386.c (override_options): Always default to 16
2753 byte stack boundary.
2755 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2758 * var-tracking.c (dump_dataflow_set): Start dumping at
2760 (clobber_variable_part): Kill only the variable part in
2761 registers holding it, leaving other variables alone.
2763 2006-09-11 Josh Triplett <josh@freedesktop.org>
2765 * doc/extend.texi (Other Builtins): Actually use the macro
2766 argument in the documentation example for
2767 __builtin_types_compatible_p.
2769 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2771 PR rtl-optimization/28726
2772 * sched-deps.c (sched_analyze_reg): New function extracted from...
2773 (sched_analyze_1): ...here. Call it to analyze references to
2774 registers. Treat again writes to a stack register as writing to the
2776 (sched_analyze_2): ...and here. Call it to analyze references to
2777 registers. Treat again reads of a stack register as reading the
2780 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2781 David Edelsohn <edelsohn@gnu.org>
2784 * config/rs6000/spe.md (frob_df_di): Remove %H.
2785 (frob_di_df): Remove %H. Change evmergelo to mr.
2786 (frob_di_df_2): Remove %H. Change evldd to two loads.
2788 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2790 * doc/cpp.texi: Fix names of charset options.
2792 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2795 * config/i386/i386.c (override_options): Use 128-bit
2796 stack boundary always for 64bits.
2798 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2800 PR rtl-optimization/28636
2801 * combine.c (force_to_mode): Test for side-effects before
2802 substituting by zero.
2803 (simplify_shift_const): Likewise for zero or other constants.
2805 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2808 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2811 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2814 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2815 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2816 returned by mode_for_size, rather than the mode of src itself,
2817 to choose between 32-bit and 64-bit patterns.
2818 (mips_mem_fits_mode_p): New function.
2819 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2820 that the size of the source matches the size of the destination.
2821 (mov_<store>l, mov_<store>r): Likewise.
2823 2006-09-10 Eric Christopher <echristo@apple.com>
2825 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2828 2006-09-09 Eric Christopher <echristo@apple.com>
2831 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2834 2006-09-09 Roger Sayle <roger@eyesopen.com>
2835 Nicolas Setton <setton@adacore.com>
2837 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2839 2006-09-10 Andreas Schwab <schwab@suse.de>
2841 * config/m68k/m68k.md (bungt_rev): New pattern.
2843 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2844 Dale Johannesen <dalej@apple.com>
2847 * regclass.c (struct reg_pref): Update documentation.
2848 (regclass): Set prefclass to NO_REGS if memory is the best option.
2849 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2851 2006-09-08 Eric Christopher <echristo@apple.com>
2853 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2854 * config/t-slibgcc-darwin: Support x86_64 multilib.
2855 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2856 Return 1 for x86_64-darwin.
2857 * config/i386/t-darwin: Add m64 multilib.
2858 (LIB2_SIDITI_CONV_FUNCS): Use.
2859 (LIB2FUNCS_EXTRA): Ditto.
2860 * config/i386/darwin.h: Support x86_64.
2861 * config/i386/i386.c (override_options): Turn on flag_pic
2862 for x86_64-darwin. Disable flag_omit_pointer.
2863 (get_pc_thunk_name): Assert !TARGET_64BIT.
2864 (legitimate_address_p): Disable machopic addressing for
2866 (legitimize_pic_address): Ditto.
2867 (ix86_expand_move): Ditto.
2868 (ix86_expand_call): Ditto.
2869 (machopic_output_stub): Ditto.
2870 * config/darwin.c (machopic_select_section): Support literal16.
2871 (machopic_select_rtx_section): Ditto.
2872 * config/darwin-sections.def: Ditto.
2873 * config/darwin-64.c: New.
2875 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2878 * c-tree.h (struct c_arg_info): Add pending_sizes.
2879 * c-parser.c (c_parser_parms_declarator,
2880 c_parser_parms_list_declarator): Initialize pending_sizes.
2881 * c-decl.c (get_parm_info): Initialize pending_sizes.
2882 (get_parm_info): Set pending_sizes.
2883 (grokdeclarator): Call put_pending_sizes for parameters for
2884 function definition only.
2886 2006-09-07 Jason Merrill <jason@redhat.com>
2889 * varasm.c (output_constant): Only strip actual no-op conversions.
2892 * config/i386/i386.c (override_options): Use 128-bit
2893 stack boundary if -msse.
2895 2006-09-07 Eric Christopher <echristo@apple.com>
2897 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2899 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2902 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2904 * dwarf2out.c: Remove strange characters from comment above
2905 dwarf2out_frame_debug_expr.
2907 2006-09-07 Eric Christopher <echristo@apple.com>
2909 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2910 * config/darwin.h: ... to here.
2912 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2914 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2916 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2917 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2919 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2920 TARGET_PARTIAL_FLAG_REG_STALL.
2921 (*ashldi3_cconly_rex64): Likewise.
2922 (*ashlsi3_cmp): Likewise.
2923 (*ashlsi3_cconly): Likewise.
2924 (*ashlsi3_cmp_zext): Likewise.
2925 (*ashlhi3_cmp): Likewise.
2926 (*ashlhi3_cconly): Likewise.
2927 (*ashlqi3_cmp): Likewise.
2928 (*ashlqi3_cconly): Likewise.
2929 (*ashrdi3_cmp_rex64): Likewise.
2930 (*ashrdi3_cconly_rex64): Likewise.
2931 (*ashrsi3_cmp): Likewise.
2932 (*ashrsi3_cconly): Likewise.
2933 (*ashrsi3_cmp_zext): Likewise.
2934 (*ashrhi3_cmp): Likewise.
2935 (*ashrhi3_cconly): Likewise.
2936 (*ashrqi3_cmp): Likewise.
2937 (*ashrqi3_cconly): Likewise.
2938 (*lshrdi3_cmp_rex64): Likewise.
2939 (*lshrdi3_cconly_rex64): Likewise.
2940 (*lshrsi3_cmp): Likewise.
2941 (*lshrsi3_cconly): Likewise.
2942 (*lshrsi3_cmp_zext): Likewise.
2943 (*lshrhi3_cmp): Likewise.
2944 (*lshrhi3_cconly): Likewise.
2945 (*lshrqi2_cmp): Likewise.
2946 (*lshrqi2_cconly): Likewise.
2948 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2951 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2952 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2953 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2954 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2955 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2956 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2957 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2958 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2959 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2960 implement only CC setting effects of shift instructions.
2962 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2964 * doc/contrib.texi: Add myself.
2966 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2969 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2970 was set by the user.
2972 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2975 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2976 (divsi_inv_m1): Use them.
2977 (UNSPEC_DIV_INV_TABLE): New constant.
2979 2006-09-06 James E Wilson <wilson@specifix.com>
2982 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2983 then call count_or_remove_death_notes.
2985 2006-09-06 Jason Merrill <jason@redhat.com>
2988 * tree-inline.c (copy_result_decl_to_var): New fn.
2989 (declare_return_variable): Use it. Call declare_inline_vars here.
2990 (expand_call_inline): Not here.
2992 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2994 * doc/contrib.texi: Update my entry.
2996 2006-09-06 Nick Clifton <nickc@redhat.com>
2998 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3000 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3003 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3004 (canonicalize_induction_variables): Likewise.
3005 (tree_unroll_loops_completely): Likewise.
3006 (tree_ssa_prefetch_arrays): Likewise.
3007 (remove_empty_loops): Likewise.
3008 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3009 TODO_cleanup_cfg instead of directly calling
3010 cleanup_tree_cfg_loop.
3011 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3013 (tree_unroll_loops_completely): Likewise.
3014 (remove_empty_loops): Likewise.
3015 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3016 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3017 of tree_ssa_unswitch_loops.
3018 (tree_ssa_loop_ivcanon): Use the return value of
3019 canonicalize_induction_variables.
3020 (tree_ssa_empty_loop): Use the return value of
3022 (tree_complete_unroll): Use the return value of
3023 tree_unroll_loops_completely.
3024 (tree_ssa_loop_prefetch): Use the return value of
3025 tree_ssa_prefetch_arrays.
3026 * passes.c (execute_todo): Before Cleanup CFG, set
3027 updating_used_alone and after cleanup CFG, call
3028 recalculate_used_alone.
3030 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3033 * tree-vect-transform.c (vectorizable_condition): Move the check
3034 for the type after the check for simple condition.
3036 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3037 Kaz Kojima <kkojima@gcc.gnu.org>
3040 * mode-switching.c (optimize_mode_switching): Make the destination
3041 block of an abnormal edge have no anticipatable mode. Don't
3042 insert mode switching code at the end of the source block of
3045 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3047 PR rtl-optimization/26847
3048 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3049 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3050 (simplify_plus_minus): Count n_constants while filling ops. Replace
3051 qsort with insertion sort. Before going through the array to simplify
3052 pairs, sort it. Delay early exit until after the first sort, exiting
3053 only if no swaps occurred. Simplify pairs in reversed order, without
3054 special-casing the first iteration. Pack ops after simplifying pairs.
3056 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3058 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3059 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3060 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3061 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3063 2006-09-05 Richard Guenther <rguenther@suse.de>
3065 PR tree-optimization/28900
3066 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3067 compound conditional before creating COND_EXPR condition.
3069 2006-09-05 Richard Guenther <rguenther@suse.de>
3071 PR tree-optimization/28905
3072 * tree-vrp.c (fix_equivalence_set): Manually implement
3073 !value_ranges_intersect_p to also handle symbolic ranges.
3075 2006-09-05 Richard Guenther <rguenther@suse.de>
3078 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3081 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3083 PR rtl-optimization/27616
3084 * cse.c (table_size): New static variable.
3085 (new_basic_block): Initialize it to 0.
3086 (remove_from_table): Decrement it.
3087 (insert): Increment it.
3088 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3089 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3090 fold_rtx_mem_1 if under the cap.
3091 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3092 the lookup of the equivalent expression and test for equality of the
3093 first operand of the equivalent expression before in turn looking up
3094 an equivalent constant for the second operand.
3096 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3099 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3100 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3101 pointer, instead of assuming it is possible to derive the
3102 correct args size from a call insn.
3104 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3107 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3108 (fold_builtin_mempcpy): Rename to...
3109 (fold_builtin_memory_op): ... this. Optimize one element copy
3111 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3113 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3114 (expand_builtin_memcpy, expand_builtin_mempcpy,
3115 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3116 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3117 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3118 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3120 2006-09-01 DJ Delorie <dj@redhat.com>
3122 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3123 (stzx_16): Likewise.
3124 ("stzx_24_<mode>"): Likewise.
3125 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3126 ("cmp<mode>_op"): New.
3127 (cmp<mode>): Change to expander; just save operands.
3129 (b<code>): Change to expander, emit compare here.
3130 (s<code>_op): Change to use split and expander.
3131 (s<code>_24_op): Likewise.
3132 (s<code>_<mode>): New.
3133 (s<code>_<mode>_24): New.
3134 (movqicc_<code>_<mode): New.
3135 (movhicc_<code>_<mode>): New.
3138 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3139 (m32c_pend_compare): New.
3140 (m32c_unpend_compare): New.
3141 (m32c_expand_scc): New.
3142 (m32c_expand_movcc): Emit the compare also.
3143 * config/m32c/predicates.md (mra_nopp_operand): New.
3145 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3146 Richard Guenther <rguenther@suse.de>
3147 Adam Nemet <anemet@caviumnetworks.com>
3150 * builtins.c (get_pointer_alignment): Handle more forms
3151 of base addresses that can be used to derive more precise
3152 information about alignment.
3154 2006-09-01 Jason Merrill <jason@redhat.com>
3157 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3160 * gimplify.c (voidify_wrapper_expr): Handle null type.
3162 2006-09-01 Josh Conner <jconner@apple.com>
3165 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3166 (execute_return_slot_opt): Use it.
3168 2006-08-31 Josh Conner <jconner@apple.com>
3171 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3172 returning aggregates.
3174 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3176 PR tree-optimization/28839
3177 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3178 blocks in that phi arguments appear.
3180 2006-08-31 Roger Sayle <roger@eyesopen.com>
3183 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3184 NULL, otherwise use an advance_loc4 to adjust relative to the
3186 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3187 (dwarf2out_switch_text_section): Reset the current label to avoid
3188 using advance_loc4 over section boundaries.
3190 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3193 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3194 r12 + SYMBOLIC_CONST.
3196 2006-08-30 Richard Guenther <rguenther@suse.de>
3198 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3200 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3202 PR rtl-optimization/27735
3203 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3204 Add new argument to keep track of whether an irreducible region
3205 was affected. All callers changed.
3206 (fix_irreducible_loops): Removed.
3207 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3208 flags were invalidated.
3210 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3212 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3213 instead of SF operands.
3214 (*fop_df_comm_sse): Likewise.
3215 (*fop_df_comm_i387): Likewise.
3216 (*fop_df_1_mixed): Likewise.
3217 (*fop_df_1_sse): Likewise.
3219 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3220 J"orn Rennecke <joern.rennecke@st.com>
3222 PR tree-optimization/17506
3223 * tree-ssa.c (warn_uninit): If warning about a location outside of
3224 the current function, note where the variable was declared.
3226 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3228 PR tree-optimization/28411
3229 * double-int.c (double_int_div): Use double_int_divmod.
3230 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3231 double_int_mod, double_int_smod, double_int_umod): New functions.
3232 * double-int.h (double_int_divmod, double_int_sdivmod,
3233 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3235 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3237 (get_computation_aff, get_computation_cost_at): Handle double_int
3238 return type of constant_multiple_of.
3240 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3243 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3244 an implicit conversion.
3246 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3248 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3250 2006-08-27 Roger Sayle <roger@eyesopen.com>
3252 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3255 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3257 * config/i386/crtfastmath.c: Fix a comment typo.
3259 2006-08-26 Roger Sayle <roger@eyesopen.com>
3261 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3262 temporary visit flags on CASE_LABEL_EXPRs.
3263 * c-common.c (match_case_to_enum): Add function comment. Avoid
3264 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3265 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3266 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3267 a constant, only warn if that constant value isn't handled.
3269 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3272 * input.h (restore_input_file_stack): Declare.
3273 (INPUT_FILE_STACK_BITS): Define.
3274 * toplev.c (fs_p, input_file_stack_history,
3275 input_file_stack_restored, restore_input_file_stack): New.
3276 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3277 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3278 (pop_srcloc): Don't free old state of stack.
3280 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3283 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3284 (PowerPC Type Attributes): New.
3286 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3288 * config/xtensa/xtensa.c (function_arg_boundary): New.
3289 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3291 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3292 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3294 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3297 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3300 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3302 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3303 (verify_local_live_at_start): Likewise.
3305 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3308 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3309 omp_add_variable): Treat sizes as variable whenever not
3312 2006-08-26 Richard Guenther <rguenther@suse.de>
3315 * fold-const.c (fold_binary): Fold temporary to correct
3316 type before constructing new comparison.
3318 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3321 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3322 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3324 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3327 * c-decl.c (start_function): Don't try to process prototype
3328 information from old declaration that isn't a function.
3330 2006-08-25 Jan Hubicka <jh@suse.cz>
3333 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3335 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3338 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3341 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3343 PR tree-optimization/16876
3344 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3345 exit if PARM doesn't match VALUE.
3347 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3349 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3350 literal_prefix directive.
3351 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3352 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3353 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3355 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3358 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3359 predicate to general_operand. Add 0->y and I->r alternatives.
3361 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3363 * doc/tm.texi: Fix a typo.
3364 * predict.c: Fix comment typos.
3366 2006-08-25 Nick Clifton <nickc@redhat.com>
3368 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3369 assertions of "cpu" and "machine".
3371 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3374 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3375 the access through a base which has an alias set of 0 cannot
3378 2006-08-24 Bill Wendling <wendling@apple.com>
3380 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3382 2006-08-24 Jan Hubicka <jh@suse.cz>
3384 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3386 2006-08-24 Jan Hubicka <jh@suse.cz>
3389 * cgraph.c: Fix comments.
3390 (cgraph_varpool_mark_needed_node): Mark only variables not already
3392 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3393 (cgraph_varpool_assembled_nodes_queue): New static variable.
3394 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3395 (cgraph_varpool_output_debug_info): New function.
3396 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3397 * Makefile.in: Add gt-cgraphunit.h
3399 2006-08-24 Jan Hubicka <jh@suse.cz>
3401 * predict.c (probability_reliable_p): New predicate.
3402 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3403 (predict_loops): Do not predict loop exit with less than 2%
3405 * basic-block.h (edge_probability_reliable_p,
3406 br_prob_note_reliable_p): Declare.
3407 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3408 prediction when static predictor is not reliable.
3409 * rs6000.c (output_cbranch): Likewise.
3411 2006-08-23 Stuart Hastings <stuart@apple.com>
3414 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3415 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3417 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3420 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3421 complex values, nor for generic vector values.
3423 2006-08-22 Richard Guenther <rguenther@suse.de>
3426 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3427 parameter. Convert arguments to arithmetic expression to the
3429 (analyze_scalar_evolution_1): Adjust caller.
3431 2006-08-22 Jan Hubicka <jh@suse.cz>
3433 Patch by Paolo Bonzini
3434 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3437 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3439 PR tree-optimization/28003
3440 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3441 before grouping aliases.
3443 2006-08-22 Roger Sayle <roger@eyesopen.com>
3445 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3446 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3448 2006-08-21 Jason Merrill <jason@redhat.com>
3451 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3452 wrapper. Loop to handle nested wrappers.
3453 (gimplify_bind_expr): Remove temp parameter.
3454 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3455 and STATEMENT_LIST on the rhs.
3456 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3457 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3458 (gimplify_target_expr): Remove special BIND_EXPR handling.
3460 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3462 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3465 2006-08-21 Olivier Hainque <hainque@adacore.com>
3467 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3468 Arrange for the temporary captures of components overlapping the lhs
3469 to happen before the lhs is possibly cleared.
3471 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3473 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3474 necessary places to pass the correct "number of registers" values
3477 2006-08-20 Jan Hubicka <jh@suse.cz>
3479 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3480 (create_name_tags): Instead of quadratic checking use hashtable.
3481 * bitmap.h: Include hashtab.h.
3482 (bitmap_hash): Declare.
3483 * bitmap.c (bitmap_hash): New function.
3485 2006-08-20 Jan Hubicka <jh@suse.cz>
3487 PR rtl-optimization/28071
3488 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3490 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3491 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3492 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3493 cgraph_decide_inlining_incrementally): Update use of
3494 cgraph_check_inline_limits.
3495 * cgraph.c (edge_hash, edge_eq): New function.
3496 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3497 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3498 cgraph_remove_node): Maintain call site hash.
3499 * cgraph.h (struct cgraph_node): Add call_site_hash.
3500 (cgraph_set_call_stmt): New function.
3502 2006-08-20 Jan Hubicka <jh@suse.cz>
3504 PR rtl-optimization/28071
3505 * reload1.c (reg_has_output_reload): Turn into regset.
3506 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3507 choose_reload_regs, emit_reload_insns): Update to new
3508 reg_has_output_reload.
3510 2006-08-20 Jan Hubicka <jh@suse.cz>
3513 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3514 function body sizes.
3515 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3517 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3520 * tree.c (handle_dll_attribute): Return early if not a
3521 var or function decl.
3523 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3526 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3527 alignment of SPE vector types.
3529 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3531 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3533 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3536 * cgraph.h (struct cgraph_node): Remove externally_visible
3538 * cgraphunit.c (process_function_and_variable_attributes): Set
3539 local.externally_visible rather than externally_visible.
3542 * c-common.c (handle_externally_visible_attribute): First look
3543 at TREE_CODE and only if it is function or var decl, check for
3544 non-public objects. Don't warn for DECL_EXTERNAL.
3545 * cgraphunit.c (process_function_and_variable_attributes): Warn
3546 if externally_visible attribute is used on non-public object.
3548 2006-08-17 Jan Hubicka <jh@suse.cz>
3550 PR tree-optimization/27865
3551 * reload1.c (forget_marked_reloads): New function.
3552 (forget_old_reloads_1): When data are passed, just mark the registers
3554 (reload_as_needed): Use the new mechanizm.
3556 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3559 * reload.h (reg_equiv_alt_mem_list): New declaration.
3560 * reload1.c (reg_equiv_alt_mem_list): New definition.
3561 (reload): Initialize it and release it.
3562 (delete_output_reload): Use it.
3563 * reload.c (push_reg_equiv_alt_mem): New function.
3564 (find_reloads_toplev): Call it.
3565 (find_reloads_address, find_reloads_address_1): Likewise.
3566 (find_reloads_subreg_address): Likewise.
3568 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3570 PR rtl-optimization/28489
3571 * sched-ebb.c (begin_schedule_ready): Create basic block
3573 (advance_target_bb): Skip empty blocks.
3574 * haifa-sched.c (bb_note): Make global.
3575 * sched-int.h (bb_note): Add prototype.
3577 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3579 PR tree-optimization/27865
3580 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3582 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3583 fold_used_pointer, pointer_used_p): New functions.
3584 (analyze_scalar_evolution_1): Use fold_used_pointer.
3585 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3586 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3589 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3592 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3593 or the INTEGER_CST. Fail on a CALL_EXPR.
3594 (fold_offsetof): Pass new argument to fold_offsetof_1.
3595 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3596 operand into an INDIRECT_REF.
3597 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3599 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3601 PR gcov/profile/26570
3602 * value-prof.c (static_values): Removed.
3603 (tree_find_values_to_profile): Do not set static_values.
3604 (find_values_to_profile): Do not free static_values.
3605 * profile.c (instrument_values): Do not free the values.
3606 (branch_prob): Free the values.
3608 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3610 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3612 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3615 * c-typeck.c (build_component_ref): Combine qualifiers of
3616 structure or union and field.
3618 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3620 PR rtl-optimization/28071
3621 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3622 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3623 * tree-into-ssa.c (struct dom_dfsnum): New.
3624 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3626 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3627 compute_global_livein.
3628 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3629 in phi nodes in the correct blocks.
3631 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR tree-optimization/28364
3634 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3636 (fold_affine_expr): New function.
3637 (may_eliminate_iv): Use fold_affine_expr.
3639 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3642 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3645 2006-08-16 Mike Stump <mrs@apple.com>
3647 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3648 * doc/cppopts.texi (-MD): Likewise.
3650 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3653 * c-common.c (handle_weak_attribute): Ignore and warn if
3654 not a FUNCTION_ or VAR_DECL.
3656 2006-07-15 Mike Stump <mrs@apple.com>
3659 * c-parser.c (c_parser_typeof_specifier): Don't use
3660 c_finish_expr_stmt, open code desired semantics instead.
3662 2006-08-15 Nick Clifton <nickc@redhat.com>
3664 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3665 fragment to tmake_file only if threads are enabled.
3666 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3667 * config/i386/t-gthr-win32: New file. ... here.
3669 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3672 * c-parser.c (c_parser_compound_statement_nostart): Reset
3673 parser->error after each statement.
3675 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3678 * omp-low.c (lower_omp_parallel): Convert t to
3679 receiver_decl's type.
3680 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3681 source before comparison.
3684 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3685 to itype in assignment to oldival2.
3687 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3691 * c-typeck.c (build_compound_expr): If the second expression
3692 is an error mark, then just return an error mark instead of
3693 creating a COMPOUND_EXPR.
3695 2006-07-14 Mike Stump <mrs@apple.com>
3697 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3699 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3701 * c-decl.c, var-tracking.c: Fix comment typos.
3703 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3705 PR rtl-optimization/28634
3706 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3707 for floating-point modes unless flag_unsafe_math_optimizations.
3709 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3710 Andrew Pinski <pinskia@physics.uc.edu>
3713 * tree.c (build_array_type): Unify array types with
3714 unspecified index_type.
3715 * c-decl.c (grokdeclarator): Make sure we do not modify a
3716 unified incomplete array type.
3717 * c-typeck.c (store_init_value): Create distinct type before
3718 filling in the index type in an initializer from a compound
3721 * c-decl.c (grokdeclarator): Remove code where we copy the
3724 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3726 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3727 into account for TODO_dump_cgraph.
3728 (TODO_update_ssa_no_phi): Likewise.
3729 (TODO_update_ssa_full_phi): Likewise.
3730 (TODO_update_ssa_only_virtuals): Likewise.
3731 (TODO_remove_unused_locals): Likewise.
3732 (TODO_set_props): Likewise.
3733 (TODO_update_stmt_usage): Likewise.
3735 2006-08-13 Dirk Mueller <dmueller@suse.de>
3737 * c-common.c (strict_aliasing_warning): Fix formatting.
3739 2006-08-13 Matthias Klose <doko@debian.org>
3741 * doc/invoke.texi: Fix spelling errors.
3743 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3745 PR rtl-optimization/23454
3746 * reorg.c (relax_delay_slots): Update comment.
3748 2006-08-11 Richard Guenther <rguenther@suse.de>
3751 * simplify-rtx.c (simplify_const_relational_operation):
3752 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3755 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3757 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3758 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3760 2006-08-10 Paul Brook <paul@codesourcery.com>
3762 * final.c (final_scan_insn): Clear current_insn_predicate before
3763 outputting inline asm.
3765 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3767 PR tree-optimization/26197
3768 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3769 get_ref_base_and_extent and overlap_subvar to add only relevant
3770 subvars as may-aliases.
3771 (add_may_alias_for_new_tag): New function, factored out of
3773 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3774 with additional argument.
3775 * tree-flow.h (new_type_alias): Takes additional argument.
3777 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3779 * gcov.c (no_data_file): New flag.
3780 (read_count_file): Set it if data file not present. Assume counts
3782 (output_lines): Don't name the data file, if there wasn't one.
3784 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3786 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3787 (rs6000_generate_compare): Tweak comments.
3788 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3790 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3792 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3793 (var_debug_decl): New function.
3794 (var_reg_set): Follow debug decl link. Add location even if
3795 reg is already known to hold some other variable.
3796 (var_mem_set): Follow debug decl link.
3797 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3798 decl link. Delete other known locations of the variable part
3800 (var_reg_delete, var_mem_delete): Delete other known locations
3801 of the variable part if requested.
3802 (same_variable_part_p): New function.
3803 (add_stores): Select MO_COPY when appropriate.
3804 (vt_initialize): Handle it.
3805 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3806 known locations for MO_SET and MO_CLOBBER.
3807 (find_variable_location_part): New function.
3808 (set_variable_part, delete_variable_part): Use it.
3809 (clobber_variable_part): New function.
3810 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3813 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3815 PR tree-optimization/26969
3816 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3817 with an empty list of PHIs.
3819 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3823 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3826 2006-08-06 Andreas Schwab <schwab@suse.de>
3828 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3829 string. Whitespace and comment fixup.
3831 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3834 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3838 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3841 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3843 2006-08-04 Jan Hubicka <jh@suse.cz>
3847 * reload.c (push_reload): Patch out the mismatching instruction;
3849 (find_reload): Bail out if the instruction was patched out.
3851 2006-08-04 Jan Hubicka <jh@suse.cz>
3853 PR tree-optimization/24888
3854 * tree-inline.c (expand_call_inline): Do not re-record variables.
3855 (declare_inline_vars): Add variable to unexpanded_var_list.
3857 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3858 Roger Sayle <roger@eyesopen.com>
3860 PR rtl-optimization/26244
3861 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3862 inner_const are negative or greater than or equal to the bitsize of
3863 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3864 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3865 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3866 CONST0_RTX (mode) when the new shift count is greater than or equal to
3867 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3870 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3872 * tree-cfg.c: Fix a comment typo.
3874 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3877 * varasm.c (output_constant): Give the front end another chance to
3878 expand constants, after stripping NOPs.
3880 2006-08-03 Jan Hubicka <jh@suse.cz>
3882 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3885 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3887 PR tree-optimization/27770
3888 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3889 declaration removed (moved to tree-flow.h).
3890 (vect_can_force_dr_alignment_p): Likewise.
3891 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3892 (moved from tree-vectorizer.h).
3893 (vect_can_force_dr_alignment_p): Likewise.
3894 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3895 from outside the vectorizer - in particular from cgraph stage.
3896 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3897 the alignment of global arrays when -fsection-anchors is enabled.
3898 * cgraphunit.c (cgraph_increase_alignment): New function.
3899 (cgraph_optimize): Call cgraph_increase_alignment.
3901 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3904 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3905 not reload a SPE symbol_ref into a lo_sum address.
3907 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3910 * dwarf2out.c (prune_unused_types_prune): Move call to
3911 prune_unused_types_update_strings to cover the parent DIE also.
3913 2006-08-02 Jan Hubicka <jh@suse.cz>
3915 PR gcov/profile/28480
3916 * tree-cfg.c (change_bb_for_stmt): New function.
3917 (tree_merge_blocks, tree_split_blocks): Use it.
3919 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3925 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3926 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3927 (cgraph_optimize): Likewise.
3929 2006-08-01 Stuart Hastings <stuart@apple.com>
3931 * rtl.h (UINTVAL) New.
3932 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3933 * testsuite/gcc.dg/20060801-1.c: New.
3935 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3938 * c-typeck.c (build_external_type): Mark used enum types.
3939 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3941 (gen_subprogram_die): Whitespace fix.
3943 2006-08-01 Jan Hubicka <jh@suse.cz>
3945 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3946 bitmap when not needed.
3947 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3950 2006-08-01 Dirk Mueller <dmueller@suse.de>
3952 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3954 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3956 * Makefile.in: Revert part of previous patch:
3957 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3960 2006-07-30 Eric Christopher <echristo@apple.com>
3963 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3964 (PowerPC Variable Attributes): New section.
3966 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3968 PR target/28126 (partial fix)
3969 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3971 2006-07-28 Jan Hubicka <jh@suse.cz>
3973 PR rtl-optimization/28071
3974 * cfgrtl.c (rtl_delete_block): Free regsets.
3975 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3977 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3979 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3980 and variables used in dependencies.
3982 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3984 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3985 %fs for -mcmodel=kernel.
3986 (stack_tls_protect_test_di): Likewise.
3988 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3990 * Makefile.in: Use mkinstalldirs.
3992 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3995 * opts-common.c (prune_options): Skip joined switches.
3997 2006-07-27 Jan Hubicka <jh@suse.cz>
3999 PR rtl-optimization/28071
4000 * cselib.c (cselib_process_insn): Don't remove useless values too
4001 often for very large hashtables.
4003 2006-07-27 Jan Hubicka <jh@suse.cz>
4005 PR rtl-optimization/28071
4006 * global.c (greg_obstack): New obstack.
4007 (allocate_bb_info): Use it.
4008 (free_bb_info): Likewise.
4009 (modify_reg_pav): Likewise.
4011 2006-07-27 Roger Sayle <roger@eyesopen.com>
4013 * builtins.c (fold_fixed_mathfn): When long and long long are the
4014 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4015 functions to their lceil*, lfloor*, lround* and lrint* forms.
4017 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4020 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4022 (rev_branch_insn): Likewise.
4024 2006-07-27 Jan Hubicka <jh@suse.cz>
4026 PR rtl-optimization/28071
4027 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4028 (reg_set_in_bb, max_reg_computed): New static variables.
4029 (regmove_optimize): Free the new array.
4030 (fixup_match_1): Update call of reg_is_remote_constant_p.
4032 2006-07-26 Jan Hubicka <jh@suse.cz>
4034 PR tree-optimization/27882
4035 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4037 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4039 (cgraph_analyze_compilation_unit): Likewise.
4040 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4041 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4042 (cgraph_early_inlinine): Make order garbage collected.
4043 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4045 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4047 * dbxout.c (output_types_sort): Add a comment.
4048 (output_used_types): Free the VEC.
4050 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4052 * function.c (reorder_fix_fragments): Delete.
4053 (reorder_blocks): Don't call it.
4054 (reorder_blocks_1): Put all subblocks under the origin block.
4056 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4058 PR rtl-optimization/27907
4059 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4062 2006-07-25 Roger Sayle <roger@eyesopen.com>
4065 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4066 bar(x) check that bar's result type can represent all the values of T.
4068 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4070 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4072 2006-07-25 Nick Clifton <nickc@redhat.com>
4074 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4075 size_lookup[] array.
4076 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4077 (ggc_pch_count_object): Likewise.
4078 (ggc_pch_alloc_object): Likewise.
4079 (ggc_pch_write_object): Likewise.
4080 (init_ggc): Do not attempt to initialize entries in the
4081 size_lookup[] array for objects whose size is greater than than
4082 the length of the array.
4084 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4086 * dbxout.c (output_used_types_helper): Push queued types
4088 (output_types_sort): New.
4089 (output_used_types): Collect used types on a VEC and sort them
4092 2006-07-24 Richard Guenther <rguenther@suse.de>
4095 * cgraph.c (cgraph_remove_node): Do not check if dumps
4097 * cgraphunit.c (cgraph_optimize): Likewise.
4099 2006-07-24 Jan Hubicka <jh@suse.cz>
4101 PR rtl-optimization/28071
4102 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4103 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4104 splitting before first stmt.
4106 2006-07-24 Jan Hubicka <jh@suse.cz>
4108 PR rtl-optimization/28071
4109 * ipa-inline.c (update_caller_keys): Remove edges that
4110 are no longer inline candidates.
4112 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4115 * dbxout.c (output_used_types_helper, output_used_types): New.
4116 (dbxout_symbol): Call output_used_types.
4118 2006-07-23 Jan Hubicka <jh@suse.cz>
4122 * cgraph.c (cgraph_varpool_nodes): Export.
4123 (decide_is_variable_needed): Ignored "used" attribute in
4124 unit-at-a-time mode.
4125 * cgraph.h (cgraph_varpool_nodes): Declare.
4126 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4127 unit-at-a-time mode.
4129 2006-07-23 Roger Sayle <roger@eyesopen.com>
4132 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4133 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4134 the __gthrw form of thr_keycreate.
4135 (__gthread_key_delete): Silence the unused argument warning.
4137 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4140 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4141 Cache the last found '\0' marker to avoid quadratic behavior.
4143 2006-07-23 Jan Hubicka <jh@suse.cz>
4145 * i386.md (subsi_3_zext): Fix output template.
4147 2006-07-21 Mike Stump <mrs@apple.com>
4149 * doc/invoke.texi (C++ Dialect Options): Note that
4150 -fvisibility-inlines-hidden doesn't affect explicitly
4151 instantiationed inline methods.
4153 2006-07-20 Roger Sayle <roger@eyesopen.com>
4155 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4156 if the target assembler is GNU binutils' gas.
4157 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4158 whether to pass GNU gas or native as command line options.
4160 2006-07-20 Jason Merrill <jason@redhat.com>
4162 * tree.c (remove_attribute): New fn.
4163 * tree.h: Declare it.
4165 2006-07-20 Paul Brook <paul@codesourcery.com>
4168 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4169 they are invalidated by this instruction.
4171 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4174 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4176 2006-07-20 Eric Christopher <echristo@apple.com>
4179 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4181 2006-07-19 Eric Christopher <echristo@apple.com>
4183 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4184 Rewrite dependencies for libgcc_s.1.dylib.
4186 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4188 * except.c (duplicate_eh_regions_1): Clear next_peer.
4190 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4192 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4193 -mlongcall does not guarantee all calls will be long.
4194 * doc/extend.texi (long_call/short_call): Document that longcall
4195 does not guarantee a long call will be used.
4196 (longcall/shortcall): Likewise.
4198 2006-07-18 Roger Sayle <roger@eyesopen.com>
4201 * expmed.c (expand_shift): Additionally check that the shift_cost
4202 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4203 before implementing a LSHIFT_EXPR as a sequence of additions.
4204 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4205 middle-end that DImode shifts need to be synthesized by expand.
4207 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4210 * tree-ssa-operands.c (access_can_touch_variable): Update
4212 Return true if ALIAS is .GLOBAL_VAR.
4214 2006-07-18 David Daney <ddaney@avtrex.com>
4216 * gcc.c (display_help): Fix typo in help text.
4218 2006-07-18 Olivier Hainque <hainque@adacore.com>
4220 * tree.h (categorize_ctor_elements): Adjust prototype and add
4221 descriptive comment, both in accordance with the interface change
4223 * varasm.c (constructor_static_from_elts_p): New function.
4224 Whether a constructor node is a valid static constant initializer
4225 if all its elements are.
4226 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4227 * output.h: Declare it.
4228 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4229 is a valid constant initializer instead of computing the number of
4230 non-constant elements. Use constructor_static_from_elts_p for this
4231 purpose. Replace the head comment with an indication that this is a
4232 helper for categorize_ctor_elements.
4233 (categorize_ctor_elements): Same interface change as for the _1
4234 helper. Former head comment from this helper moved here, adjusted to
4235 account for the interface changes.
4236 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4237 (all_zeros_p): Likewise.
4238 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4239 static versions of the constructor from the categorize_ctor_elements
4240 return value instead of the formerly computed number of non-constant
4243 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4245 * configure: Regenerate.
4246 * Makefile.in (build_libsubdir): New configure substitution
4247 (build_libobjdir): New variable.
4248 (BUILD_LIBIBERTY): Use it.
4250 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4253 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4255 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4258 * c-common.c (handle_weakref_attribute): Ignore attribute in
4259 the same conditions the alias attribute is ignored.
4261 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4263 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4264 (dbxout_begin_prologue): Increment scope_labelno.
4266 2006-07-17 Richard Henderson <rth@redhat.com>
4269 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4272 2006-07-17 Roger Sayle <roger@eyesopen.com>
4273 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4275 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4276 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4277 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4278 functions such as sbrk, write, etc.. Add function prototypes.
4279 Convert function declarations from K&R to ISO C. Cast pointers
4280 to "long" and "unsigned long" instead of "int" and "unsigned int".
4281 Convert tokens following #endif into comments.
4283 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4285 * invoke.texi: Remove mention of f77; Reformat table for
4286 inline parameter options correctly; mention that -malign-double
4287 is default on x86-64 targets.
4289 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4291 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4292 (convert_affine_scev, chrec_convert_aggressive): Use
4293 avoid_arithmetics_in_type_p. Do not check for the subtypes
4296 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4299 * optabs.c (expand_doubleword_shift): Wrap the call to
4300 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4302 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4305 * optabs.c (expand_binop): Pass next_methods rather than methods
4306 to expand_doubleword_shift.
4308 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4311 * tree.h (dump_addr): Declare.
4312 * print-tree.c (dump_addr): New function.
4313 (print_node_brief, print_node): Use it.
4314 * print-rtl.c (print_rtx): Likewise.
4315 * common.opt (-fdump-noaddr): New option.
4316 * doc/invoke.texi (-fdump-noaddr): Document.
4317 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4318 (ve_info_hash): Likewise.
4320 2006-07-13 Andrew Haley <aph@redhat.com>
4322 PR tree-optimization/19505
4323 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4324 edge leaving this block, make sure that the destination of this
4325 block has only one predecessor.
4327 2006-07-17 Richard Guenther <rguenther@suse.de>
4329 PR tree-optimization/28238
4330 * tree-inline.c (copy_bb): Check if we produced valid
4331 gimple copying and substituting a stmt. If not, gimplify
4334 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4336 * optabs.c (maybe_encapsulate_block): New function extracted from...
4337 (emit_libcall_block): ...here. Invoke it on the block of insns to
4338 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4339 (emit_no_conflict_block): Likewise.
4341 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4343 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4345 2006-07-15 Roger Sayle <roger@eyesopen.com>
4347 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4348 a new NOP_EXPR case of the switch statement.
4350 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4353 * stor-layout.c (place_field): Take the bit field with
4354 an excessive size into account in the ms-bitfiled case.
4357 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4358 the previous bit field.
4360 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4363 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4365 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4367 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4368 signal frames correctly even when the signal was installed with
4371 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4373 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4374 (dbxout_function_end): Use local label LFBB. Remove hook
4376 (dbxout_source_line): Use local label LFBB.
4377 (dbxout_block): Likewise.
4378 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4379 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4380 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4381 and DBX_OUTPUT_NFUN.
4383 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4385 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4387 2006-07-13 Jan Hubicka <jh@suse.cz>
4389 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4391 * output.h (align_variable): Declare.
4392 * varasm.c (align_variable): Export.
4393 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4394 when basic block changed.
4396 2006-07-13 Nick Clifton <nickc@redhat.com>
4398 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4399 walking the LOG_LINKS chain.
4401 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4403 * doc/invoke.texi (C++ Dialect Options): Explain difference
4404 between -fvisibility-inlines-hidden and setting hidden
4405 visibility explicitly.
4407 2006-07-12 Eric Christopher <echristo@apple.com>
4409 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4410 (stmp-lipo): Depend on libgcc.a.
4412 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4414 * tree.c: Fix a comment typo.
4416 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4418 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4420 (umulhisi3_r): Likewise.
4422 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4425 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4426 x < 19, vs wchar_t support.
4428 2006-07-12 Nick Clifton <nickc@redhat.com>
4430 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4431 instead of -isa=sh4.
4433 2006-07-12 Mike Stump <mrs@apple.com>
4435 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4437 2006-07-10 Eric Christopher <echristo@apple.com>
4439 * config/t-slibgcc-darwin: Rewrite.
4441 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4444 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4447 2006-07-08 Matthias Klose <doko@debian.org>
4449 * doc/sourcebuild.texi: Fix typo.
4451 2006-07-07 Mike Stump <mrs@apple.com>
4453 * toplev.c (process_options): Don't give -ffunction-sections may
4454 affect debugging warning for Mach-O.
4456 2006-07-07 James E Wilson <wilson@specifix.com>
4458 * config/mips/mips.md (cpu): Add sb1a.
4459 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4460 addition to sb1. Adjust comments to clarify SB-1A differences from
4462 (ir_sb1a_load): New. Modify bypasses to use it.
4463 (ir_sb1a_simple_alu): Likewise.
4464 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4465 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4466 (mips_issue_rate): Add PROCESSOR_SB1A.
4467 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4468 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4469 (TARGET_SB1): Add PROCESSOR_SB1A check.
4470 (TUNE_SB1): Likewise.
4472 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4473 * config/mips/mips.c (mips_store_data_bypass_p): New.
4474 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4475 store_data_bypass_p.
4477 2006-07-08 Paul Brook <paul@codesourcery.com>
4480 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4482 2006-07-07 Richard Guenther <rguenther@suse.de>
4485 * tree.h (build_one_cst): Declare.
4486 * tree.c (build_one_cst): New function.
4487 * tree-ssa-math-opts.c (get_constant_one): Remove.
4488 (insert_reciprocals): Use build_one_cst.
4489 * fold-const.c (fold_plusminus_mult): Likewise.
4491 2006-07-07 Roger Sayle <roger@eyesopen.com>
4493 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4494 * cfgloopanal.c (dump_graph): Likewise.
4495 * dojump.c (discard_pending_stack_adjust): Likewise.
4496 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4498 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4499 * function.c (finalize_block_changes): Likewise.
4500 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4501 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4502 * rtl.c (dump_rtx_statistics): Likewise.
4503 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4505 * varray.c (dump_varray_statistics): Likewise.
4506 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4507 decode_decimal64, encode_decimal128, decode_decimal128,
4508 decimal_real_to_decimal): Likewise.
4510 2006-07-07 Richard Guenther <rguenther@suse.de>
4512 PR tree-optimization/28187
4513 * tree-vrp.c (vrp_operand_equal_p): New function.
4514 (vrp_bitmap_equal_p): Likewise.
4515 (update_value_range): Use them to compare old and new
4518 2006-07-06 Roger Sayle <roger@eyesopen.com>
4520 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4521 a default case to switch statement to silence compiler warnings.
4523 2006-07-06 Roger Sayle <roger@eyesopen.com>
4526 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4527 the configured assembler supports the x87's ffreep mnemonic.
4528 * configure: Regenerate.
4529 * config.in: Regenerate.
4531 * config/i386/i386.c (output_387_ffreep): New function.
4532 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4533 (output_387_reg_move): Likewise.
4535 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4537 Port to hosts whose 'sort' and 'tail' implementations
4538 treat operands with leading '+' as file names, as POSIX
4539 has required since 2001. However, make sure the code still
4540 works on pre-POSIX hosts.
4541 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4542 which says you should use "tail -c +N" rather than "tail +Nc".
4543 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4545 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4547 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4550 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4553 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4554 PRE_{INC,DEC} of TFmode.
4556 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4557 Alan Modra <amodra@bigpond.net.au>
4560 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4563 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4566 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4567 Remove duplicate gtu.
4569 2006-07-05 Jason Merrill <jason@redhat.com>
4573 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4574 * c-common.c (handle_packed_attribute): So don't copy it here.
4575 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4577 2006-07-05 Mike Stump <mrs@apple.com>
4579 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4581 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4584 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4586 2006-07-05 Richard Guenther <rguenther@suse.de>
4589 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4590 TARGET_SSE2 targets if using SSE math.
4591 (*absdf2_1): Likewise.
4593 2006-07-05 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/28162
4596 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4597 make sure to convert the operands to the correct type.
4599 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4601 PR tree-optimization/28218
4603 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4604 to calculate and free the dominator information.
4606 2006-07-04 Peter O'Gorman <peter@pogma.com>
4608 * mklibgcc.in: chmod 644 before ranlib during install.
4610 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4611 J"orn Rennecke <joern.rennecke@st.com>
4613 * configure.ac (.eh_frame data check): Use diff -b.
4615 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4618 * Makefile.in (BUILD_RTL): Add build/vec.o.
4619 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4620 (build/genextract): Delete.
4621 (build/genautomata): Likewise.
4623 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4626 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4627 128-bit IBM long doubles for ABI_V4.
4629 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4631 * tree.c (range_in_array_bounds_p): New predicate.
4632 * tree.h (range_in_array_bounds_p): Declare it.
4633 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4634 return a less conservative answer.
4635 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4636 and flag 'is_group'.
4637 (IS_ELEMENT_FOR_GROUP): New macro.
4638 (FOR_EACH_ACTUAL_CHILD): Likewise.
4639 (next_child_for_group): New helper function.
4640 (can_completely_scalarize_p): Take into account groups.
4641 (sra_hash_tree): Handle RANGE_EXPR.
4642 (sra_elt_eq): Likewise.
4643 (lookup_element): Be prepared for handling groups.
4644 (is_valid_const_index): Delete.
4645 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4646 instead of is_valid_const_index.
4647 <ARRAY_RANGE_REF>: New case.
4648 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4649 is_valid_const_index.
4650 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4651 (scan_dump): Dump info for groups too.
4652 (decide_instantiation_1): Likewise.
4653 (decide_block_copy): Assert that the element is not a group.
4654 Propagate decision to groups.
4655 (generate_one_element_ref): Handle RANGE_EXPR.
4656 (mark_no_warning): Iterate over actual childs.
4657 (generate_copy_inout): Likewise.
4658 (generate_element_copy): Likewise.
4659 (generate_element_zero): Likewise.
4660 (generate_element_init_1): Likewise.
4661 (dump_sra_elt_name): Handle RANGE_EXPR.
4663 2006-07-03 Roger Sayle <roger@eyesopen.com>
4665 PR tree-optimization/26251
4666 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4667 (thread_block): When optimizing for size refuse to thread jumps
4668 that would require duplication of blocks other than redirection
4671 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4673 * configure.ac: Fix thinko in previous check-in.
4674 * configure: Regenerate.
4676 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4679 * configure.ac (for lang...): Simplify nesting of conditionals.
4680 Test subdir_requires for non-enabled languages. Move processing
4681 of lang_opt_files and lang_tree_fiels below that test.
4682 * configure: Regenerate.
4683 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4685 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4687 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4689 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4691 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4694 2006-06-29 Jason Merrill <jason@redhat.com>
4701 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4702 * c-common.c (c_determine_visibility): Handle it here.
4703 * c-decl.c (finish_decl): Call c_determine_visibility for
4705 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4707 * varasm.c (default_assemble_visibility): Likewise.
4708 * c-common.c (handle_visibility_attribute): Complain about trying
4709 to give visibility to an already defined class, or trying to change
4710 declared visibility. Always attach the attribute.
4715 * attribs.c (decl_attributes): Ignore type-in-place attributes
4716 once the type has been defined.
4718 2006-06-29 Roger Sayle <roger@eyesopen.com>
4721 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4722 to indicate the cpplib has issued an error message for us.
4724 2006-06-29 Asher Langton <langton2@llnl.gov>
4727 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4728 insert a label at the end of an function under Mach-O.
4730 2006-06-29 Eric Christopher <echristo@apple.com>
4731 Evan Cheng <evan.cheng@apple.com>
4733 * predicates.md (vector_all_ones_operand): New.
4734 (nonimmediate_or_sse_const_operand): Ditto.
4735 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4736 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4737 (standard_sse_mode_p): Ditto.
4738 (standard_sse_constant_p): Add case for -1 vector.
4739 (ix86_expand_vector_move): Try to use.
4740 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4741 Call standard_sse_constant_opcode.
4742 (*movv4sf_internal): Ditto.
4743 (*movv2df_internal): Ditto.
4745 2006-06-29 Roger Sayle <roger@eyesopen.com>
4747 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4748 of XEXP to extract the operands of a MATCH_CODE rtx.
4750 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4752 * tree.c (tree_size): Do not waste tail padding in
4753 struct tree_string and make the size be the same as
4754 build_string will generate.
4756 2006-06-28 Jason Merrill <jason@redhat.com>
4759 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4760 may_aliases already in the tag's annotations to the bitmap.
4762 2006-06-28 Roger Sayle <roger@eyesopen.com>
4764 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4766 2006-06-28 Roger Sayle <roger@eyesopen.com>
4768 * genpreds.c (generate_switch_p): New function.
4769 (add_mode_tests): Push the new mode test down inside an AND expr
4770 if this allows the switch-suitable MATCH_CODE to be near the root.
4771 (write_match_code_switch): New function to write a MATCH_CODE as
4773 (write_predicate_stmts): New function to write a predicate RTX
4774 expression as a sequence of statements.
4775 (write_one_predicate_function): Use write_predicate_stmts.
4776 (write_tm_constrs_h): Likewise.
4778 2006-06-26 Fred Fish <fnf@specifix.com>
4780 * config/mips/t-sb1: New file.
4781 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4784 2006-06-26 DJ Delorie <dj@redhat.com>
4786 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4788 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4789 Jayant Sonar <jayants@kpitcummins.com>
4790 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4792 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4793 (subsi3, subsi3_1, subsi3_2): New.
4794 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4795 * config/m32c/mov.md (SI mov peephole): New.
4796 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4797 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4799 2006-06-26 Olivier Hainque <hainque@adacore.com>
4801 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4802 a CALL_EXPR target function declaration.
4804 2006-06-26 Richard Guenther <rguenther@suse.de>
4806 * tree.c (build_string): Do not waste tail padding in
4809 2006-06-26 Richard Guenther <rguenther@suse.de>
4811 * ggc-page.c (init_ggc): Add missing element to size_lookup
4815 2006-06-23 Richard Guenther <rguenther@suse.de>
4817 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4818 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4819 alignment requests instead. Add verification code.
4820 Add struct tree_function_decl and struct tree_binfo size to
4821 extra_order_size_table. Add missing element to size_lookup
4824 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4827 * fold-const.c (const_binop): Be prepared for self returning zero.
4828 Simplify code handling complex values.
4830 2006-06-24 Olivier Hainque <hainque@adacore.com>
4832 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4833 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4836 2006-06-24 Olivier Hainque <hainque@adacore.com>
4838 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4839 ARRAY_REF, so have the callback called for the low bound expression.
4841 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4843 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4844 * c-typeck.c (c_common_type): Disallow operations on decimal float
4845 types and other float types.
4846 * convert.c (convert_to_real): Don't ignore conversions involving
4847 decimal float types.
4849 2006-06-23 Olivier Hainque <hainque@adacore.com>
4851 * tree.c (max_int_size_in_bytes): New function, inspired from
4852 code in function.c:assign_temp.
4853 * tree.h (max_int_size_in_bytes): Declare.
4854 * function.c (assign_temp): Use it.
4855 * gimplify.c (create_tmp_var): Relax the assertions on the type
4856 properties, not mandating constant size any more.
4857 (force_constant_size): New static function.
4858 (gimple_add_tmp_var): Use it, forcing variable size to a
4859 constant upper bound if it is not constant on entry.
4861 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4864 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4865 for initialization and setting of one_only flag to ...
4866 (i386_pe_encode_section_info): ...here.
4867 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4868 Recheck that the symbol has not been defined.
4870 2006-06-23 Richard Guenther <rguenther@suse.de>
4872 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4873 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4874 alignment requests instead. Add verification code.
4875 Add struct tree_function_decl and struct tree_binfo size to
4876 extra_order_size_table. Add missing element to size_lookup
4879 2006-06-22 Roger Sayle <roger@eyesopen.com>
4880 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4883 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4884 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4886 2006-06-23 Ben Elliston <bje@au.ibm.com>
4888 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4889 negate dn -- manipulate it directly.
4891 2006-06-22 Roger Sayle <roger@eyesopen.com>
4892 Steven Bosscher <stevenb.gcc@gmail.com>
4895 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4896 generated by gen_move_insn to add REG_LABEL notes if necessary.
4898 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4900 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4901 (leaf_entry): Remove use of MIN_ESA.
4903 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4905 PR rtl-optimization/28121
4906 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4909 2006-06-21 DJ Delorie <dj@redhat.com>
4911 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4913 (mulhisi3_r): Likewise.
4915 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4918 * coverage.c (coverage_counter_alloc): Leave the index type
4920 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4923 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4925 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4926 section from the "Options for Code Generation Conventions".
4928 2006-06-21 Richard Henderson <rth@redhat.com>
4932 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4934 (global_symbolic_operand): Allow weak symbols, even if local_p.
4936 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4938 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4939 (find_interesting_uses_address): Punt if above function returns true.
4941 2006-06-21 Richard Guenther <rguenther@suse.de>
4943 * configure: Regenerated.
4945 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4947 * config/mips/mips.c (function_arg): Where one part of a
4948 complex argument is in registers and the other part in the stack,
4949 return a REG not a PARALLEL.
4951 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4953 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4954 when cross-compiling. Do not substitute libstdcxx_incdir.
4955 * configure: Regenerated.
4957 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4959 * varasm.c (mergeable_string_section): Check for embedded NULs and
4960 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4961 rather than TREE_STRING_LENGTH bytes.
4963 2006-06-21 Richard Guenther <rguenther@suse.de>
4965 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4966 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4969 2006-06-21 Richrad Guenther <rguenther@suse.de>
4971 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4972 Limit iteration over the dominators.
4974 2006-06-20 Roger Sayle <roger@eyesopen.com>
4976 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4977 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4979 2006-06-20 Richard Guenther <rguenther@suse.de>
4980 Michael Matz <matz@suse.de>
4982 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4984 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4985 * et-forest.h (et_free_pools): Prototype new function.
4986 * et-forest.c (et_free_tree_force): Free parent occurrence.
4987 (et_free_pools): New function.
4988 * dominance.c (free_dominance_info): Free et-forest alloc
4991 2006-06-20 Roger Sayle <roger@eyesopen.com>
4993 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4994 integer modes, attempt to directly construct an integer constant.
4996 * fold-const.c (native_encode_vector): Determine the size of each
4997 element from the vector type instead of the first vector element.
4999 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5000 if all of its elements/components are constant.
5001 (build_constructor_from_list): Likewise.
5003 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5005 PR tree-optimization/27331
5006 * tree-data-ref.c (free_data_ref): New function.
5007 (create_data_ref): Fail if the data reference has unknown access
5009 (free_data_refs): Use free_data_ref.
5011 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5014 * tree-inline.c (setup_one_parameter): Strip useless
5015 type conversion before adding it to the IR.
5016 (declare_return_variable): Likewise.
5018 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5021 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5023 2006-06-19 Mike Stump <mrs@apple.com>
5025 * tree.c (variably_modified_type_p): VM arguments don't make the
5028 2006-06-19 Richard Guenther <rguenther@suse.de>
5030 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5031 type conversions after folding.
5033 2006-06-19 Richard Guenther <rguenther@suse.de>
5035 * ggc-page.c (extra_order_size_tab): Add entries with
5036 size of struct function and basic_block.
5037 (size_lookup): Extend to cover sizes up to 511.
5038 (ggc_alloc_stat): Adjust user.
5039 (ggc_pch_count_object): Likewise.
5040 (ggc_pch_alloc_object): Likewise.
5041 (ggc_pch_write_object): Likewise.
5043 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5045 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5046 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5049 2006-06-19 Denis Chertykov <denisc@overta.ru>
5051 * config/avr/libgcc.S : Correct my wrong previous commit.
5053 2006-06-19 Roger Sayle <roger@eyesopen.com>
5056 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5057 have stripped a SUBREG from the shift count, so we may need to
5058 convert_to_mode back to the type's mode before calling make_tree.
5059 Use new_amount instead of amount to avoid expanding a tree twice.
5061 2006-06-19 Richard Guenther <rguenther@suse.de>
5064 * fold-const.c (operand_equal_p): Check if the argument types
5065 have the same precision before stripping NOPs.
5067 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5069 Fix PR tree-optimization/27341
5070 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5072 * tree-complex.c (pass_lower_complex): Update SMT usage.
5074 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5076 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5077 Add a new alternative to the constraint strings. Add move of
5078 operand 1 to 3 to the splitter definition.
5079 ("doloop_si_long"): Second contraint alternative removed.
5081 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5083 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5084 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5086 (AVR_HAVE_MOVW) Define.
5087 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5088 (ASM_SPEC): Add avr25.
5089 (LINK_SPEC): Add avr25.
5090 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5091 (base_arch_s): Add new member 'have_movw_lpmx'.
5092 (avr_arch_types): Init 'have_movw_lpmx'.
5093 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5094 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5095 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5096 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5097 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5099 (avr_file_start): Do not output '.arh' derective.
5100 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5101 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5102 * config/avr/avr.md (mcu_enhanced): Delete.
5103 (mcu_have_movw): Define.
5104 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5105 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5106 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5107 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5108 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5109 attiny861 and at86rf401 devices.
5111 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5113 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5116 2006-06-17 Karl Berry <karl@gnu.org>
5118 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5119 doc/gccint.texi, doc/install.texi (@dircategory): Use
5120 "Software development" instead of "Programming", following
5121 the Free Software Directory.
5123 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5125 * config/i386/i386.c (legitimate_tls_address)
5126 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5127 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5128 (*tls_dynamic_gnu2_combine_64): Likewise.
5130 2006-06-16 Richard Guenther <rguenther@suse.de>
5133 * fold-const.c (negate_expr_p): Do not introduce undefined
5134 overflow in negating INTEGER_CSTs.
5135 (fold_negate_expr): Rename from negate_expr. Revert last
5136 change for folding BIT_NOT_EXPR. Change semantics to
5137 return NULL_TREE for non-simplified negations. Do not
5138 strip type conversions and unify type handling.
5139 (negate_expr): New function, wrap around fold_negate_expr
5140 but ensure building a tree always. Strip type conversions
5141 here, fold to result type.
5142 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5144 2006-06-16 Roger Sayle <roger@eyesopen.com>
5147 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5148 that (would) return their results in stack registers.
5150 2006-06-16 Michael Matz <matz@suse.de>
5151 Richard Guenther <rguenther@suse.de>
5153 * fold-const.c (fold_truthop): Only return new tree node if
5154 we canonicalized something.
5156 2006-06-16 Richard Guenther <rguenther@suse.de>
5158 * function.h (enum function_frequency): Move declaration
5159 out of struct function.
5160 (struct function): Move bool fields and the enum to the bitfield
5161 section. Reorder elements to avoid padding. Remove unused
5162 fields left over from the RTL inliner removal.
5163 * function.c (free_after_compilation): Do not zero removed fields.
5164 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5165 (ipa-type-escape.o): Likewise.
5167 2006-06-16 Richard Guenther <rguenther@suse.de>
5169 * cgraph.h (struct cgraph_local_info): Turn bool elements
5171 (struct cgraph_node): Likewise.
5172 (struct cgraph_varpool_node): Likewise.
5174 2006-06-15 Richard Guenther <rguenther@suse.de>
5176 * fold-const.c (fold_truth_not_expr): Rename from
5177 invert_truthvalue. Give it fold_* semantics to avoid
5179 (invert_truthvalue): New function. Wrapper around
5180 fold_truth_not_expr.
5181 (optimize_minmax_comparison): Avoid creating garbage.
5182 (fold_unary): Use fold_truth_not_expr for folding
5184 (fold_ternary): Replace uses of invert_truthvalue with
5185 fold_truth_not_expr where applicable.
5186 * tree.h (fold_truth_not_expr): Prototype.
5188 2006-06-16 Richard Guenther <rguenther@suse.de>
5190 PR tree-optimization/27781
5191 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5192 * ipa-pure-const.c (target.h): Include.
5193 (analyze_function): Do not analyze functions that do not
5196 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5199 * tree-dfa.c (referenced_vars_dup_list): Remove.
5200 (find_referenced_vars): Remove assert.
5201 (referenced_var_check_and_insert): Replace dup list with assert.
5202 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5203 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5205 2006-06-15 Richard Guenther <rguenther@suse.de>
5207 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5208 extra unused identifiers if not dumping.
5209 (create_variable_info_for): Likewise.
5211 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5213 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5214 (derive_constant_upper_bound): Derive more precise upper bound in
5215 common cases. Return type changed to double_int.
5216 (record_estimate): Reflect the changed return type of
5217 derive_constant_upper_bound.
5218 * double-int.c (double_int_zext, double_int_sext): Fix.
5220 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5222 * configure.ac (CFLAGS): Get them from the toplevel or from the
5223 configure invocation.
5224 * configure: Regenerate.
5225 * Makefile.in (CFLAGS): Substitute value provided by configure.
5227 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5230 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5231 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5232 rather than calling add_stmt on it.
5233 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5235 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5238 * reload1.c (reload): Remove registers returned by update_eliminables
5239 from used_spill_regs.
5241 2006-06-13 DJ Delorie <dj@redhat.com>
5243 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5245 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5247 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5248 html__strip_dir, html__mkdir_p. Enhance install-html target.
5249 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5250 * configure: Regenerate.
5252 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5254 * fold-const.c (fold_cond_expr_with_comparison): Check for
5255 Objective-C++ as language in deciding COND_EXPR transformation.
5257 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5260 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5261 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5262 * config/sh/lib1funcs.h (SL, SL1): Define.
5263 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5264 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5265 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5266 (OBJS_Os_4_200): New variable.
5267 ($(T)libgcc-Os-4-200.a): Use it.
5268 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5269 when dividing 1 and/or by 0.
5271 2006-06-13 Roger Sayle <roger@eyesopen.com>
5273 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5274 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5275 * configure: Regenerate.
5277 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5279 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5280 for real instruction.
5282 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5285 * haifa-sched.c (check_cfg): Handle special case.
5287 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5290 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5291 Add debug_info parameter. Chain the vars to the BLOCK instead
5292 of the BIND_EXPR if debug info are requested for them.
5293 (pop_gimplify_context): Adjust for above change.
5294 (gimple_add_tmp_var): Likewise.
5295 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5297 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5298 (convert_local_reference): Likewise.
5299 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5300 (finalize_nesting_tree_1): Request that debug info be emitted
5301 for debug_var_chain.
5303 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5305 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5306 for PR target/27863.
5308 2006-06-13 Richard Guenther <rguenther@suse.de>
5311 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5313 2006-06-13 Richard Guenther <rguenther@suse.de>
5315 PR tree-optimization/27830
5316 * tree-inline.c (copy_body_r): For copying the operand
5317 of an ADDR_EXPR make sure to fold &* afterwards.
5319 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5321 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5322 lvalues in the fb_none case with side-effects.
5324 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5326 * tree-flow.h: Remove the prototype for
5327 compute_phi_arg_on_exit.
5328 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5329 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5332 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5334 * builtins.c (expand_builtin_return_addr): Only use
5335 frame_pointer_rtx when count == 0 and we are expanding
5336 __builtin_return_address.
5338 2006-06-12 Fred Fish <fnf@specifix.com>
5340 * config/mips/mips.c (mips_file_start): Create special section
5341 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5343 2006-06-11 Eric Christopher <echristo@apple.com>
5346 * stor-layout.c (place_field): Remove check for
5347 remaining_in_alignment when aligning at the end of a run.
5349 2006-06-11 Eric Christopher <echristo@apple.com>
5352 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5355 2006-06-11 Roger Sayle <roger@eyesopen.com>
5358 Revert incorrect fix for PR target/27158
5359 2006-05-08 Roger Sayle <roger@eyesopen.com>
5360 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5361 of a reg_equiv_constant if the result is a legitimate constant.
5363 2006-06-11 Roger Sayle <roger@eyesopen.com>
5366 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5367 extract a CONST_VECTOR element and interpret it as an integer.
5368 (vspltis_constant): Use const_vector_elt_as_int instead of the
5369 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5370 * config/rs6000/predicates.md (easy_vector_const): Consider
5371 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5373 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5376 * stor-layout.c (update_alignment_for_field): Don't add extra
5377 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5380 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5382 * config/mips/t-rtems: Add EL/EB multilib variants.
5384 2006-06-09 Mike Stump <mrs@apple.com>
5386 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5388 2006-06-09 David Daney <ddaney@avtrex.com>
5390 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5392 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5394 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5396 2006-06-09 Richard Guenther <rguenther@suse.de>
5398 PR tree-optimization/26998
5399 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5400 of signed types, only TYPE_MIN_VALUE is special, but for both,
5401 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5402 in this case, as is -fwrapv.
5404 2006-06-08 Mike Stump <mrs@apple.com>
5407 * config/darwin.c (darwin_asm_output_anchor): Disable
5408 -fsection-anchors on darwin for now.
5409 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5410 * rs6000/rs6000.c (optimization_options): Likewise.
5412 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5415 * config/i386/i386.c (classify_argument): Skip fields with invalid
5418 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5420 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5421 (cse_insn): Likewise for the stack_pointer_rtx.
5423 2006-06-08 Roger Sayle <roger@eyesopen.com>
5425 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5426 conditions from floating point comparisons.
5428 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5431 * expmed.c (struct alg_hash_entry): Fix type of field T
5432 to match synth_mult argument.
5433 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5435 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5438 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5441 2006-06-08 Richard Guenther <rguenther@suse.de>
5444 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5445 only, if overflow is defined and not trapping.
5446 (negate_expr): Likewise.
5448 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5450 PR tree-optimization/27872
5451 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5452 flag on the new exit edge of the unrolled loop.
5454 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5456 PR rtl-optimization/26449
5457 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5459 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5462 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5463 referenced_variables with matching DECL_UID's.
5464 (find_referenced_vars): Make sure duplicate list is empty to start.
5465 (referenced_var_p): Remove.
5466 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5467 Check if var is in the list, and add if needed. Update the duplicate
5468 list if a different var is in the list with the same DECL_UID.
5469 (add_referenced_var): Call routine to check and insert.
5470 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5471 * tree-flow.h (referenced_vars_dup_list): External declaration.
5473 2006-06-07 Fred Fish <fnf@specifix.com>
5475 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5478 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5481 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5482 the imaginary and real parts of a clobbered register.
5483 Emit insn to set the imaginary part.
5485 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5487 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5488 in lieu of unwind-dw2-fde.c.
5490 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5492 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5494 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5497 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5498 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5499 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5500 V4SImode temporaries and operations instead.
5502 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5504 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5507 2006-06-06 Mike Stump <mrs@apple.com>
5509 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5510 installing during build.
5512 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5514 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5516 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5517 * config/ia64/ia64.c (params.h): New header.
5518 (ia64_optimization_options): New function to adjust parameters.
5519 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5520 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5521 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5523 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5525 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5527 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5530 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5532 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5533 Victor Kaplansky <victork@il.ibm.com>
5535 PR tree-optimization/26360
5536 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5539 2006-06-04 Roger Sayle <roger@eyesopen.com>
5540 Andrew Pinski <pinskia@physics.uc.edu>
5543 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5544 for LABEL_DECL before calling DECL_WEAK.
5547 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5548 LABEL_DECL and PARM_DECL.
5550 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5554 * c-decl.c (grokdeclarator): Disallow variably modified types at
5555 file scope. Avoid marking shared array type of constant size as
5558 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5561 * c-common.c (fold_offsetof_1): Handle static members.
5563 2006-06-04 Eric Christopher <echristo@apple.com>
5565 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5566 (debug_rli): Output value for remaining_in_alignment.
5567 (update_alignment_for_field): Unconditionalize
5568 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5569 extra alignment code.
5570 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5571 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5572 * tree.h (record_layout_info_s): Remove prev_packed.
5573 * doc/extend.texi (ms_struct): Add documentation of format.
5575 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5577 * tree.h: Declare folding_initializer.
5578 * builtins.c (fold_builtin_constant_p): Give definite answer
5579 if folding inside an initializer.
5580 * fold-const.c: Define folding_initializer.
5581 (START_FOLD_INIT): Save and then set folding_initializer.
5582 (END_FOLD_INIT): Restore folding_initializer.
5584 2006-06-04 Richard Guenther <rguenther@suse.de>
5586 PR tree-optimization/27039
5587 * fold-const.c (fold_comparison): Handle pointer comparison
5588 again for all comparison codes. Compare offsets in signed
5590 (fold_binary): Move code from here.
5592 2006-06-03 Roger Sayle <roger@eyesopen.com>
5595 * config/i386/i386.c (construct_container): Split static issued_error
5596 flag into issued_sse_arg_error, issued_sse_ret_error and
5597 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5598 requires the use of x87 registers and the user explicitly
5599 specified the -mno-80387 command line option.
5601 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5603 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5604 HAVE_DECL_SIGALTSTACK.
5606 (segv_handler): Use MC_FLD.
5607 * configure.ac: Check for a sigaltstack declaration.
5608 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5609 * configure: Regenerate.
5610 * config.in: Regenerate.
5612 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5615 * Makefile.in (stmp-fixinc): Fix typo.
5617 2006-06-02 Roger Sayle <roger@eyesopen.com>
5619 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5620 are type correct. Clean-up.
5621 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5622 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5624 2006-06-01 DJ Delorie <dj@redhat.com>
5626 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5627 shift, as we've disabled the "switch" insn that needs it.
5629 2006-06-01 Per Bothner <bothner@bothner.com>
5631 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5632 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5633 * c-ppoutput.c (cb_define): Don't increment line 0.
5635 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5637 * doc/invoke.texi: Add cpu_type power6.
5638 * config.gcc: Add cpu_type power6.
5639 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5640 to power5+ with Altivec.
5641 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5642 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5644 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5646 * config/avr/avr.h (SET_ASM_OP): Define.
5648 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5650 * config/bfin/bfin.c: Fix comment typos.
5652 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5655 * doc/install.texi: Document --enable-bootstrap and
5656 --disable-bootstrap.
5658 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5660 * doc/install.texi: Document that InfoZIP can replace jar.
5662 2006-05-31 Roger Sayle <roger@eyesopen.com>
5664 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5665 isn't available, directly generate the simpler x87 patterns without
5666 the (use (const_int 0)).
5667 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5668 implementation isn't available.
5669 (*negdf2_1): Likewise.
5670 (*negxf2_1): XF mode negation is always done using the x87.
5671 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5673 2006-05-31 Roger Sayle <roger@eyesopen.com>
5675 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5676 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5678 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5680 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5682 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5683 * config/bfin/bfin.c (basic-block.h): Include.
5684 (struct machine_function): New.
5685 (bfin_init_machine_status): New.
5686 (override_options): Initialize init_machine_status.
5687 (bfin_hardware_loop): New.
5688 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5689 (DEF_VEC_P (loop_info)): New.
5690 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5691 (struct loop_info): New.
5692 (loop_info): New typedef.
5693 (struct loop_work): New.
5694 (loop_work): New typedef.
5695 (DEF_VEC_O (loop_work)): New.
5696 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5697 (bfin_dump_loops): New.
5698 (bfin_bb_in_loop): New.
5699 (bfin_scan_loop): New.
5700 (bfin_optimize_loop): New.
5701 (bfin_reorg_loops): New.
5702 (bfin_reorg): Use bfin_reorg_loops.
5703 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5705 (I_REGNO_P): Simplify.
5706 (DP_REGNO_P, DPREG_P): New macros.
5707 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5708 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5709 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5710 Add LT_REGS, LC_REGS, LB_REGS.
5711 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5713 (REGNO_REG_CLASS): Deal with loop registers.
5714 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5716 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5717 New constants for loop registers.
5718 (UNSPEC_LSETUP_END): New.
5719 (seq_insns): New define_attr. Set it for appropriate insns.
5720 (movsi_insn): Add alternatives for move from/to
5721 loop count registers.
5722 (doloop_end): New define_expand.
5723 (loop_end): New define_insn.
5724 (define_split for bad doloop_end): New.
5725 (lsetup_with_autoinit): New define_insn.
5726 (lsetup_without_autoinit): New define_insn.
5727 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5728 * config/bfin/predicates.md (lc_register_operand): New.
5729 (lt_register_operand): New.
5730 (lb_register_operand): New.
5731 (nondp_register_operand): New.
5732 (nondp_reg_or_memory_operand): New.
5733 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5735 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5737 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5738 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5740 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5742 * Makefile.in (CATALOGS): Add po/ prefix.
5743 * configure: Regenerated.
5745 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5748 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5749 a shift operand before calling shift_op. Avoid redundant call of
5752 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5753 DJ Delorie <dj@redhat.com>
5755 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5756 we're inserting is a singlt-bit constant.
5758 2006-05-30 Roger Sayle <roger@eyesopen.com>
5760 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5761 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5763 2006-05-30 Roger Sayle <roger@eyesopen.com>
5765 PR tree-optimization/23452
5766 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5767 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5768 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5769 complex values and with -ffast-math for FP complex values.
5771 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5773 * c-common.h: Remove the prototype for yyparse.
5774 * rtl.h: Remove the prototype for init_loop.
5776 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5778 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5781 2006-05-30 Roger Sayle <roger@eyesopen.com>
5783 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5785 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5786 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5788 2006-05-30 Dirk Mueller <dmueller@suse.de>
5791 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5792 for CONSTANT_CLASS_P expresisons.
5794 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5797 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5799 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5801 PR tree-optimization/27779
5802 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5803 initial_condition instead of CHREC_LEFT.
5805 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5807 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5808 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5809 Make prototypes ISO C90.
5811 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5812 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5814 * see.c (see_analyze_one_def): Correct check.
5815 (see_get_extension_data): Check if extension is parallel.
5816 (see_get_extension_reg): Likewise.
5818 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5821 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5822 into register for (code == GTU).
5824 2006-05-29 Roger Sayle <roger@eyesopen.com>
5826 PR tree-optimization/24964
5827 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5828 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5829 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5830 abs(x)*abs(x) as x*x for scalar floating point modes.
5832 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5835 * lambda-code.c (perfect_nestify): Don't copy statements
5836 in the inner loop: move them to the inner loop header.
5838 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5841 * c-tree.texi: Document OpenMP directives and clauses.
5843 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5845 * varasm.c (globalize_decl): Fix indentation.
5847 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5850 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5851 pass_fre, pass_store_ccp, pass_copy_prop,
5852 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5853 pass_return_slot, pass_object_size, pass_lim,
5854 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5855 pass_loop_prefetch and pass_stdarg.
5857 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5859 * config/bfin/bfin.opt (mfdpic): New option.
5860 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5861 (EXTRA_MULTILIB_PARTS): Likewise.
5862 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5863 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5865 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5866 (CRT_CALL_STATIC_FUNCTION): New.
5867 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5869 (CRT_CALL_STATIC_FUNCTION): New.
5870 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5872 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5873 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5874 (initialize_trampoline): Changed to handle FD-PIC code generation.
5875 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5876 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5877 (override_options): Disallow -mid-shared-library -mfdpic combination.
5878 Can't do unaligned ops if FD-PIC.
5879 Turn off flag_pic if trying to generate non-id-shared-library
5880 non-fdpic code, since it's not supported.
5881 (bfin_assemble_integer): New function.
5882 (TARGET_ASM_INTEGER): Define.
5883 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5885 * config/bfin/crtn.s: Restore them.
5886 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5888 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5889 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5890 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5891 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5892 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5894 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5895 FDPIC_REGS and FDPIC_FPTR_REGS.
5896 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5897 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5898 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5899 (load_funcdescsi): New pattern.
5900 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5901 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5902 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5904 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5906 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5909 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5911 * tree-flow.h: Remove the prototype for add_type_alias.
5912 * tree-ssa-alias.c (add_type_alias): Remove.
5914 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5916 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5917 config/fr30/fr30.md, config/i386/i386-interix.h,
5918 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5919 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5920 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5921 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5922 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5923 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5924 Follow spelling conventions.
5925 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5926 Follow spelling conventions.
5928 2006-05-27 Richard Guenther <rguenther@suse.de>
5931 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5932 to produce a constant of value 1 of generic type.
5934 2006-05-27 Dirk Mueller <dmueller@suse.de>
5936 * cgraphunit.c (decide_is_function_needed): Fix wrong
5939 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5941 PR rtl-optimization/27661
5942 * reload.c (find_reloads): When reloading a VOIDmode constant
5943 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5944 use Pmode as mode of the reload register.
5946 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5948 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5949 is enabled at -O and above.
5951 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5954 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5957 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5960 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5961 for anonymous variables explicitly declared by front ends.
5963 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5965 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5966 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5967 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5968 ref-all pointers, run a finalization pass for them.
5969 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5970 (finalize_ref_all_pointers): New function.
5971 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5972 regular pointer type to a ref-all pointer type.
5973 (get_tmt_for): Return the special memory tag for ref-all pointers.
5975 2006-05-25 Richard Guenther <rguenther@suse.de>
5978 * fold-const.c (fold_binary): Do not look at the stripped
5979 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5981 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5983 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5984 for LT and GT if the computed range is effectively empty.
5986 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5989 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5990 mips_quad_format formats instead of ieee_single_format,
5991 ieee_double_format and ieee_quad_format formats, respectively.
5993 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5995 PR tree-optimization/27639
5996 PR tree-optimization/26719
5997 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5998 call to scev_probably_wraps_p.
5999 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6000 used_in_pointer_arithmetic_p, convert_step): Removed.
6001 (nowrap_type_p): New function.
6002 (scev_probably_wraps_p): Rewritten.
6003 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6004 chrec_convert if chrec_convert_aggressive might have been used.
6005 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6006 scev_direction): New functions.
6007 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6008 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6009 instead of convert_step.
6010 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6011 (convert_step): Declaration removed.
6012 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6014 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6016 * df-core.c: Added to header comments.
6017 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6018 df_ur_bb_info, df_urec_bb_info): Added comments.
6019 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6020 urec, ri problems): Fixed header comments.
6021 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6022 code from df_rd_transfer_function.
6024 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6026 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6027 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6028 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6030 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6032 * expr.c (undefined_operand_subword_p): New.
6033 (emit_move_multi_word): Do not generate move from undefined bits
6034 of a paradoxical subreg.
6036 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6038 PR rtl-optimization/27736
6039 * combine.c (replaced_rhs_value): New variable.
6040 (combine_instructions): Set it.
6041 (distribute_notes): When distributing a note in replaced_rhs_insn,
6042 check whether the value was used in replaced_rhs_value.
6044 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6047 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6048 add_referenced_var instead of add_referenced_tmp_var.
6049 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6050 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6052 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6053 tree_optimize_tail_calls_1): Use add_referenced_var.
6054 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6055 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6056 Use add_referenced_var.
6057 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6058 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6059 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6060 Use add_referenced_var.
6061 * tree-dfa.c (struct walk_state): Remove.
6062 (find_referenced_vars): Remove walk state and vars_found hash table.
6063 (make_rename_temp): Use add_referenced_var.
6064 (find_vars_r): Pass less parameters to add_referenced_var.
6065 (referenced_var_p): New. Is var in referenced_var hash table.
6066 (referenced_var_insert): Assert var isn't already in hash table.
6067 (add_referenced_var): Don't need walk_state parameter. Add var if it
6068 isn't already in the hash table.
6069 (add_referenced_tmp_var): Remove.
6070 (find_new_referenced_vars_1): Use add_referenced_var.
6071 * tree-ssa-pre.c (create_expression_by_pieces,
6072 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6073 Use add_referenced_var.
6074 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6075 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6076 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6078 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6079 vect_create_data_ref_ptr, vect_create_destination_var,
6080 vect_init_vector, vect_build_loop_niters,
6081 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6082 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6083 Use add_referenced_var.
6084 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6085 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6086 (add_referenced_var): Add prototype.
6087 * tree-ssa-structalias.c (get_constraint_for,
6088 intra_create_variable_infos): Use add_referenced_var.
6090 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6092 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6093 big-endian paradoxical subregs.
6094 * var-tracking.c (struct micro_operation_def): Document that,
6095 for modify micro operations, insn is the subsequent instruction.
6096 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6097 (var_reg_set, var_mem_set): ... new functions.
6098 (add_stores): Record subsequent insn.
6099 (compute_bb_dataflow): Use new functions for MO_USE.
6100 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6101 notes after the insn, and modify notes before the insn known
6102 to be the subsequent one.
6103 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6105 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6108 * config/i386/i386.c (ix86_expand_builtin): Use
6109 gen_sse3_monitor64 for TARGET_64BIT.
6111 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6113 PR rtl-optimization/26375
6114 PR rtl-optimization/26855
6115 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6117 (df_ru_bb_local_compute): Reversed statements and removed bogus
6118 comment explaining why they should be in wrong order.
6119 (df_ru_dump, df_rd_dump): Enhanced debug info.
6120 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6122 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6123 reaching uses and fixed space problem.
6125 2006-05-23 Jan Hubicka <jh@suse.cz>
6127 * cgraphunit.c (decide_is_function_needed): Also nested functions
6128 and functions declared inline can be optimized out at -O0.
6130 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6132 * doc/install.texi (Configuration): Remove reference to CrossGCC
6136 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6139 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6140 ix86_compare_emitted is non-NULL.
6142 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6145 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6148 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6150 PR rtl-optimization/25514
6151 * combine.c (replaced_rhs_insn): New variable.
6152 (combine_instructions): Set replaced_rhs_insn when trying to replace
6153 a SET_SRC with a REG_EQUAL note.
6154 (distribute_notes): Use replaced_rhs_insn when determining the live
6155 range of a REG_DEAD register.
6157 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6158 Anatoly Sokolov <aesok@post.ru>
6160 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6161 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6162 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6163 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6164 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6165 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6166 at90usb647, at90usb1286 and at90usb1287 devices.
6167 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6168 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6170 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6172 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6174 2006-05-22 Richard Guenther <rguenther@suse.de>
6177 2006-01-31 Richard Guenther <rguenther@suse.de>
6178 Paolo Bonzini <bonzini@gnu.org>
6180 * doc/install.texi (--disable-libgcc-math): Document.
6182 2006-05-22 Richard Guenther <rguenther@suse.de>
6185 2006-01-31 Richard Guenther <rguenther@suse.de>
6187 * doc/invoke.texi (-msselibm): Document.
6188 * target.h (expand_library_builtin): New target hook.
6189 * builtins.c (expand_builtin): Use expand_library_builtin.
6190 (default_expand_library_builtin): New function.
6191 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6192 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6193 (link_gcc_math_spec): Declare.
6194 (static_specs): Add link_gcc_math_spec.
6195 * expr.h (default_expand_library_builtin): Declare.
6196 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6197 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6198 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6199 * config/i386/i386.opt (msselibm): New target option.
6200 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6201 (ix86_init_sse_abi_builtins): New function.
6202 (ix86_expand_library_builtin): Likewise.
6203 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6204 (override_options): Handle error conditions wrt -msselibm.
6205 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6206 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6207 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6210 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6213 * c-common.c (self_promoting_args_p): Skip erroneous args.
6216 * c-decl.c (finish_struct): Skip erroneous fields.
6218 2006-05-22 Nick Clifton <nickc@redhat.com>
6220 * config/cris/cris.opt (march): Remove VarExists attribute.
6221 (max-stackframe=): Likewise.
6223 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6225 * doc/rtl.texi: Fix a typo.
6226 * see.c: Fix comment typos.
6228 * tree-ssa-structalias.h (alias_info): Remove num_references.
6230 2006-05-21 Mike Stump <mrs@apple.com>
6232 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6234 (darwin_pragma_options): Use BAD instead.
6235 (darwin_pragma_unused): Likewise.
6236 (darwin_pragma_ms_struct): Likewise.
6238 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6240 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6242 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6244 PR rtl-optimization/27671
6245 * simplify-rtx.c (simplify_relational_operation_1): Fix
6246 simplifications of (eq/ne (xor x y) y) and
6247 (eq/ne (xor x y) x).
6249 PR tree-optimization/26622.
6250 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6253 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6255 * tree-cfg.c: Prune whitespace.
6256 (debug_tree_cfg): Point to correct header containing the
6259 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6262 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6264 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6267 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6268 or sorry count is non zero.
6270 2006-05-20 Andreas Schwab <schwab@suse.de>
6272 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6274 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6275 Kenneth Zadeck <zadeck@naturalbridge.com>
6277 PR rtl-optimization/26855
6279 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6281 (df_scan_alloc): Added code to properly handle multiword hard
6282 registers and add all_blocks parameter.
6283 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6284 code to properly handle multiword hard registers.
6285 (df_rescan_blocks): Added code to remove deleted blocks from
6287 (df_ref_create_structure, df_ref_record): Added code to properly
6289 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6290 and set DF_REF_PARTIAL.
6291 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6292 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6293 (df_scan_add_problem): Added flags parameter.
6294 (df_ref_create_structure): Changed switching structure.
6295 (df_bb_refs_record): Fixed case where duplicate artificial refs
6296 were created. Changed location of flags.
6297 (df_record_entry_block_defs): Added code to make stack pointer
6298 live in entry block. Refined cases where frame pointer is needed.
6299 Changed location of flags.
6300 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6301 (df_set_state): Removed function.
6302 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6303 df_insn_create_insn_record, df_insn_refs_delete,
6304 df_ref_create_structure): Formatting changes.
6305 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6306 df_delete_basic_block): New function.
6307 (df_init): Changed location of flags.
6308 (df_add_problem): Added flags parameter and the way flags are
6310 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6311 debug_df_chain): Improved debugging output.
6312 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6313 (df_refs_chain_dump): Removed df parameter.
6314 (df_iterative_dataflow): Added consistency check.
6315 (df_prune_to_subcfg): Made public.
6316 (df_analyze_problem): Added blocks_to_init parameter and made
6318 (df_ref_record, df_bb_refs_record, df_mark_reg,
6319 df_record_exit_block_uses): Whitespace changes.
6320 (df_dump): Whitespace changes.
6321 * df.h: Some reordering to remove forward references.
6322 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6323 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6324 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6325 (dataflow.flags): New field.
6326 (df.flag): Deleted field.
6327 (df_alloc_function): Added additional bitmap parameter.
6328 (df_dependent_problem_function): New type.
6329 (df_problem.changeable_flags): New field.
6330 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6331 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6332 (df_mw_hardreg): New struct.
6333 (DF_INSN_UID_MWS): New macro.
6334 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6336 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6337 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6338 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6339 (df_set_state): Removed function.
6340 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6341 * df-problems.c (df_chain_dump): Removed df parameter.
6342 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6343 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6345 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6346 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6347 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6348 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6349 DF_REF_MUST_CLOBBER cases.
6350 (df_ru_bb_local_compute_process_def,
6351 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6352 df_lr_bb_local_compute, df_ur_bb_local_compute,
6353 df_chain_create_bb): Made subreg aware.
6354 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6355 df_lr_bb_local_compute, df_lr_bb_local_compute,
6356 df_chain_create_bb): Cleanup to use proper macros.
6357 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6358 code to fixup bitvectors.
6359 (df_ri_alloc): Cleared lifetime.
6360 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6361 df_create_unused_note): New function.
6362 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6363 REG_DEAD and REG_UNUSED notes as well as register information.
6364 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6365 df_chains_dump): Fixed crash if problem was never run.
6366 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6367 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6368 df_ri_add_problem): Processes flags in uniform manner.
6369 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6370 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6371 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6372 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6373 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6374 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6375 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6376 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6377 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6378 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6379 * see.c (see_initialize_data): Ditto.
6380 * final.c (rest_of_clean_state) Added regstack_completed.
6381 * rtl.h (regstack_completed): Ditto.
6382 * reg-stack.c (regstack_completed): Ditto.
6384 2006-05-19 Mike Stump <mrs@apple.com>
6386 * c-tree.h (default_conversion): Remove.
6387 * c-common.h (default_conversion): Add.
6389 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6391 * tree-vrp.c (valid_value_p): New function.
6392 (adjust_range_with_scev): Fail if the value of bound is not
6395 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6397 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6398 (mips_fallback_frame_state): Use syscall numbers to determine
6399 the appropriate li instruction for the current ABI. Only use
6400 __NR_sigreturn for o32.
6402 2006-05-19 Nicolas Setton <setton@adacore.com>
6404 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6405 * langhooks.c (lhd_dwarf_name): New function.
6406 * langhooks-def.h (lhd_dwarf_name): Declare.
6407 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6408 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6409 * ada/misc.c (gnat_dwarf_name): New function.
6410 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6412 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6414 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6416 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6417 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6418 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6419 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6420 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6421 determine the size of Wtype, etc.
6422 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6423 (swfloatfuncs): New variable.
6424 (dwfloatfuncs): Likewise.
6425 (lib2funcs): Remove floating-point conversion functions from
6426 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6427 the set of conversion routines needed. Allow entries to specify
6428 an object name, filename and word size. Update users accordingly.
6429 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6430 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6434 2006-02-08 Roger Sayle <roger@eyesopen.com>
6437 * config/fixtfdi.c: New libgcc source file.
6438 * config/fixunstfdi.c: New source file.
6439 * config/floatditf.c: New source file.
6440 * config/floatunditf.c: New souce file.
6441 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6442 files above instead of config/mips/_tilib.c.
6443 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6445 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6447 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6448 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6450 2006-05-18 Mike Stump <mrs@apple.com>
6452 Fix up vla, vm and [*] sematics.
6458 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6459 (c_vla_unspec_p): Add.
6460 (c_vla_type_p): Add.
6461 * c-decl.c (struct c_scope): Add had_vla_unspec.
6462 (build_array_declarator): Add support for [*].
6463 (grokdeclarator): Likewise.
6464 (grokparms): Likewise.
6465 (get_parm_info): Likewise.
6466 * c-objc-common.c (c_vla_unspec_p): Likewise.
6467 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6468 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6469 typeof when argument is a variably modified type not inside sizeof or alignof.
6470 (c_parser_direct_declarator_inner): Propagate errors.
6471 (c_parser_sizeof_expression): Add support for [*].
6472 (c_parser_parms_declarator): Initialize had_vla_unspec.
6473 (c_parser_parms_list_declarator): Likewise.
6474 * c-typeck.c (c_vla_type_p): Add.
6475 (composite_type): Add support for vla compositing.
6476 (comptypes_internal): Add support for vla compatibility.
6477 (c_expr_sizeof_expr): Evaluate vla arguments.
6478 * tree.c (variably_modified_type_p): Update comment for [*].
6480 2006-05-18 Michael Matz <matz@suse.de>
6483 * config.host: Make assignments to host_xmake_file cumulative.
6484 * config.host (*-darwin*): Test $host, not $target.
6486 2006-05-12 Stuart Hastings <stuart@apple.com>
6488 * config/i386/i386.opt (-mstackrealign): New flag.
6489 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6490 (ix86_handle_cconv_attribute): Emit error when
6491 force_align_arg_pointer attribute collides with too many regparms.
6492 (ix86_function_regparm): Limit regparms when used with
6493 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6494 Support stack-realigning prologue in non-main functions. Emit
6495 warning for nested functions under -mstackrealign, emit error for
6496 nested functions with force_align_arg_pointer attribute.
6497 * doc/extend.texi (force_align_arg_pointer): Document it.
6498 * doc/invoke.texi (-mstackrealign): Document it.
6500 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6502 PR rtl-optimization/27477
6503 * combine.c (try_combine): Don't split a parallel consisting
6504 of two sets into two individual sets if both sets reference
6507 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6509 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6510 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6512 * doc/options.texi (VarExists): Updated.
6514 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6516 * unwind-dw2.c: Add declarations for uw_update_context and
6518 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6519 detected, advance frame state and context once to skip over stub.
6521 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6525 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6526 Call rewrite_into_loop_closed_ssa only when something changed.
6527 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6528 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6529 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6530 Test for perfect_nest_p here. Fix formating.
6531 (replace_uses_equiv_to_x_with_y): Fix formating.
6532 (stmt_uses_op): Removed.
6533 (can_convert_to_perfect_nest): Removed loopivs parameter.
6534 Complete the test by checking the scalar dependences.
6535 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6538 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6541 From Dan Kegel <dank@kegel.com>:
6542 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6544 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6546 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6547 if the element type is variably modified without recursing.
6549 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6552 * tree-loop-linear.c (try_interchange_loops): Test for
6553 no data dependences.
6555 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6557 PR tree-optimization/27548
6558 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6559 range of ssa names that appear on abnormal edges.
6560 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6561 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6563 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6566 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6568 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6571 * tree.h (OMP_PARALLEL_COMBINED): Define.
6572 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6573 (new_omp_context): Add is_combined_parallel argument.
6574 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6575 new_omp_context caller.
6576 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6577 Adjust gimplify_scan_omp_clauses callers.
6578 (omp_is_private): Issue errors if iteration variable is firstprivate
6579 or reduction in the current context.
6580 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6581 on combined parallel workshare constructs.
6583 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6585 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6586 (gcc-options.o): New rule.
6588 * optc-gen.awk: Protect variables for gcc-options.o with
6589 #ifdef GCC_DRIVER/#endif.
6591 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6593 Fix PR tree-optimization/27373
6594 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6595 (forward_propagate_addr_expr): Update call.
6597 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6599 * doc/options.texi: Move the Negative option.
6601 2006-05-16 Richard Guenther <rguenther@suse.de>
6603 PR tree-optimization/22303
6604 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6606 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6607 ccp_fold did not simplify the statement.
6609 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6612 * Makefile.in (GCC_OBJS): New.
6613 (OBJS-common): Add opts-common.o.
6614 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6615 (cpp$(exeext)): Likewise.
6616 (gcc.o): Also depend on opts.h.
6617 (opts-common.o): New.
6619 * common.opt (gcoff): Add Negative(gdwarf-2).
6620 (gdwarf-2): Add Negative(gstabs).
6621 (gstabs): Add Negative(gstabs+).
6622 (gstabs+): Add Negative(gvms).
6623 (gvms): Add Negative(gxcoff).
6624 (gxcoff): Add Negative(gxcoff+).
6625 (gxcoff+): Add Negative(gcoff).
6626 * config/i386/i386.opt (m32): Add Negative(m64).
6627 (m64): Add Negative(m32).
6629 * doc/options.texi: Document the Negative option.
6631 * gcc.c: Include "opts.h".
6632 (main): Call prune_options after expandargv.
6634 * optc-gen.awk: Generate common declarations for all flag
6635 variables in options.c. Output the neg_index field.
6637 * opts.c (find_opt): Moved to ...
6638 * opts-common.c: Here. New file.
6640 * opts.h (cl_option): Add a neg_index field.
6642 (prune_options): Likewise.
6644 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6647 * omp-low.c (expand_omp_parallel): Don't assert
6648 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6649 instead search for it.
6652 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6655 2006-05-16 Andreas Schwab <schwab@suse.de>
6657 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6660 2006-05-15 Roger Sayle <roger@eyesopen.com>
6663 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6664 integer constants other than zero are only legitimate on TARGET_64BIT.
6665 <CONST_VECTOR> Only zero vectors are legitimate.
6666 (ix86_cannot_force_const_mem): Integral and vector constants can
6667 always be put in the constant pool.
6669 2006-05-16 DJ Delorie <dj@redhat.com>
6671 * crtstuff.c (__dso_handle): Set section from
6672 TARGET_LBIGCC_SDATA_SECTION if defined.
6673 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6674 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6676 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6679 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6682 2006-05-16 Ben Elliston <bje@au.ibm.com>
6684 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6686 2006-05-15 Per Bothner <per@bothner.com>
6688 * tree.c: (last_annotated_node): Use source_locus typedef.
6689 This permits bootstrapping with --enable-mapped-location.
6691 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6693 PR tree-optimization/26830
6694 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6695 (info_for_ssa_name, current_info_for_ssa_name_age,
6696 blocks_to_update): New variables.
6697 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6698 (clear_ssa_name_info, initialize_flags_in_bb,
6699 mark_block_for_update): New functions.
6700 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6701 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6702 prepare_def_site_for): Use mark_block_for_update.
6703 (mark_def_interesting): Assert that the processed block is marked in
6704 blocks_to_update. Do not take blocks argument.
6705 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6707 (rewrite_update_init_block, rewrite_update_stmt): Only process
6708 blocks with statements to rewrite.
6709 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6710 (update_ssa): Initialize and free blocks_to_update. Do not
6711 clear flags on statements. Do not use blocks bitmap.
6712 * tree.h (SSA_NAME_AUX): Removed.
6713 (struct tree_ssa_name): Removed aux field.
6714 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6716 2006-05-15 Richard Guenther <rguenther@suse.de>
6718 PR tree-optimization/27603
6719 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6720 Do computations in original type.
6722 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6724 * see.c: Code style changes such as redundant paranthesis,
6725 redundant intialization of local variables etc.
6726 (see_main): Declared now as static.
6727 * doc/invoke.texi: Update that -fsee is not enabled by
6730 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6732 * omp-low.c (check_omp_nesting_restrictions): New function.
6733 (scan_omp_1): Call it.
6736 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6737 construct, return *VAR.
6739 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6741 PR rtl-optimization/27406
6742 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6745 2006-05-14 Roger Sayle <roger@eyesopen.com>
6747 PR rtl-optimization/27538
6748 * combine.c (expand_compound_operation): Call gen_lowpart
6749 before calling simplify_shift_const.
6751 2006-05-14 Roger Sayle <roger@eyesopen.com>
6753 PR rtl-optimization/22563
6754 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6755 a fixed width bitfield, always force the intermediates into psuedos.
6757 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6760 * mkconfig.sh: Use operator = instead of == for test.
6762 2006-05-13 Nick Clifton <nickc@redhat.com>
6764 * dwarf2out.c (dbx_reg_number): Check return value from
6765 LEAF_REG_REMAP and only use it if it is valid.
6766 (multiple_reg_loc_descriptor): Likewise.
6768 2006-05-13 Richard Guenther <rguenther@suse.de>
6770 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6773 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6775 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6776 information attached to non-INSNs such as NOTEs.
6777 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6779 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6781 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6783 * config/s390/s390.md: Adjust comment describing On constraint.
6785 2006-05-11 Jan Hubicka <jh@suse.cz>
6787 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6788 to be output at -O0.
6790 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6793 * fold-const.c (size_binop): Move sanity check for arguments to
6794 the beginning of the function.
6797 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6800 2006-05-11 Richard Guenther <rguenther@suse.de>
6803 * fold-const.c (fold_unary): Handle intermediate conversion
6804 to a pointer type like intermediate conversion to an integer
6805 type in folding of (T1)(T2)var to var.
6806 Match the code to the comment in the final conversion for
6807 (T1)(T2)var to (T1)var regarding to type precision. Rather
6808 than disallow T1 being of pointer type, assert that both T1
6809 and var are of pointer type or not. Make sure not to fall
6810 over the frontends lazyness wrt array to pointer decay though.
6812 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6814 * arm.c (arm_struct_value_rtx): Delete.
6815 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6816 (arm_init_cumulative_args): Always initialize nregs to zero.
6818 2006-05-10 Richard Guenther <rguenther@suse.de>
6820 PR tree-optimization/27532
6821 * tree-object-size.c (plus_expr_object_size): Fix typo.
6823 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6826 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6827 ashrdi_const, ashrdi3): Use a scratch register.
6829 2006-05-10 Richard Guenther <rguenther@suse.de>
6831 PR tree-optimization/27302
6832 * fold-const.c (operand_equal_p): For two comparisons,
6833 try comparison of one comparison code swapped if that yields
6836 2006-05-10 Ben Elliston <bje@au.ibm.com>
6838 * tree-pretty-print.c (pretty_print_string): No need to handle
6839 '\0' as a special character.
6841 * tree.h: Include "hashtab.h".
6842 (iterative_hash_expr): Use hashval_t in its prototype.
6843 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6845 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6848 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6849 (hppa*64*-*-hpux11*): Ditto.
6850 (hppa[12]*-*-hpux11*): Ditto.
6852 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6855 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6857 2006-05-09 Michael Matz <matz@suse.de>
6859 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6860 host_extra_gcc_objs and host_xmake_file.
6861 (<*-*-linux*>): Don't overwrite host_xmake_file.
6862 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6863 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6864 (host_detect_local_cpu): Declare.
6865 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6866 * config/i386/i386.c (override_options): Handle -mtune=native
6868 * config/i386/x-i386: New file.
6869 * config/i386/driver-i386.c: New file.
6870 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6873 2006-05-09 Dirk Mueller <dmueller@suse.de>
6874 Richard Guenther <rguenther@suse.de>
6877 * fold-const.c (fold_read_from_constant_string): Relax check
6878 for matching types to matching modes.
6880 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6882 PR rtl-optimization/27335
6883 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6886 2006-05-08 Chao-ying Fu <fu@mips.com>
6887 Richard Sandiford <richard@codesourcery.com>
6889 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6890 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6891 * config/mips/mips.md (UNSPEC_SCC): New constant.
6892 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6893 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6894 (mips_emit_compare): Use it.
6895 (mips_expand_vcondv2sf): New function.
6897 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6899 Fix PR tree-optimization/27093
6900 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6901 renaming when they become not-used_alone.
6903 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6905 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6906 relocation and relocation stubs.
6908 2006-05-08 Eric Christopher <echristo@apple.com>
6910 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6913 2006-05-08 Jan Hubicka <jh@suse.cz>
6916 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6917 unused static functions are needed.
6919 2006-05-08 Roger Sayle <roger@eyesopen.com>
6922 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6923 of a reg_equiv_constant if the result is a legitimate constant.
6925 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6928 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6929 standard 80387 constants, raise the cost to prevent
6930 compress_float_constant() to generate load from memory.
6932 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6934 * config/arm/constraints.md (c): Fix a typo.
6936 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6939 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6942 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6944 (_mm_mwait): Likewise.
6946 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6948 (sse3_monitor): Make it 32bit only.
6949 (sse3_monitor64): New. 64bit monitor.
6951 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6954 * config/i386/i386.c (classify_argument): Skip fields with invalid
6957 2006-05-07 Richard Guenther <rguenther@suse.de>
6959 PR tree-optimization/27409
6960 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6961 Do not try to find zero-sized subvars.
6963 2006-05-07 Richard Guenther <rguenther@suse.de>
6965 PR tree-optimization/27136
6966 * tree-ssa-loop-niter.c (get_val_for): Correct function
6967 comment, assert requirements.
6968 (loop_niter_by_eval): Stop processing if the iterated
6969 value did not simplify.
6971 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6973 * opts.c (flag_see): remove its setting at -O3.
6975 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6977 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6978 * arm/constraints.md: New file.
6979 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6980 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6981 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6982 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6983 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6984 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6985 * arm.md: Include constraints.md.
6986 (thumb_movsi_insn): Use satisfies_constraint_J.
6987 (movhi, movqi): Use satisfies_constraint_I.
6989 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6991 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6992 for atmeg a645 device.
6994 2006-05-06 Richard Guenther <rguenther@suse.de>
6996 PR tree-optimization/27151
6997 * tree-vect-transform.c (vectorizable_condition): Punt on
6998 values that have a different type than the condition.
7000 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7003 * c-parser.c (c_parser_cast_expression): Only insert casts into
7004 hash table if pointer.
7005 * function.c (used_types_insert_helper): Rename from
7007 (used_types_insert): Call used_types_insert_helper.
7008 * function.h (used_types_insert): Accept only one argument.
7010 2006-05-05 David Edelsohn <edesohn@gnu.org>
7012 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7013 scratch with output modifier.
7015 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7018 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7019 with output modifier.
7021 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7024 * config/mips/mips.c (mips_symbolic_address_p): Return true
7025 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7026 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7028 2006-05-04 Richard Guenther <rguenther@suse.de>
7030 PR tree-optimization/14287
7031 PR tree-optimization/14844
7032 PR tree-optimization/19792
7033 PR tree-optimization/21608
7034 PR tree-optimization/27090
7035 * tree-ssa-pre.c (try_combine_conversion): New function.
7036 (compute_avail): After constructing the value-handle
7037 expression, use try_combine_conversion to combine NOP_EXPRs
7038 with previous value-handle expressions and use the result if it
7041 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7043 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7045 2006-05-04 Jan Hubicka <jh@suse.cz>
7048 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7050 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7052 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7053 that this only matches CONST_INTs. All users changed to VOIDmode
7056 * config/bfin/bfin.c: Include "optabs.h".
7057 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7059 (enum bfin_builtins): Add a number of fractional and vector builtins.
7060 (bfin_init_builtins): Likewise.
7061 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7062 (safe_vector_operand, bfin_expand_binop_builtin,
7063 bfin_expand_unop_builtin): New functions.
7064 (bfin_expand_builtin): Handle the new builtins.
7065 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7068 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7071 * Makefile.in (OBJS-common): Add see.o.
7072 (see.o): Add dependencies.
7073 * common.opt (fsee): New flag for the see optimization was added.
7074 * opts.c (flag_see): Initialized.
7075 * passes.c (init_optimization_passes, pass_see): New pass.
7076 * rtl.h (see_main): Declaration as extern.
7077 * timevar.def (TV_SEE): New.
7078 * tree-pass.h (pass_see): Declaration as extern.
7079 * invoke.texi (-fsee): Document.
7080 * recog.c (validate_simplify_insn): New function.
7081 * recog.h (validate_simplify_insn): Declaration as extern.
7082 * df-problems.c (df_chain_dump): Check for NULL.
7084 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7085 Daniel Berlin <dberlin@dberlin.org>
7087 * cfgrtl.c (insert_insn_bb_end_new): New function.
7088 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7090 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7092 * df.h (struct web_entry): Moved from web.c.
7093 (union_defs): Declaration as extern.
7094 (unionfind_root): Likewise.
7095 (unionfind_union): Likewise.
7096 * web.c (struct web_entry): Moved to df.h.
7097 (unionfind_root): Remove static declaration.
7098 (unionfind_union): Likewise.
7099 (union_defs): Likewise and generalize to use callback function.
7100 (web_main): Update arguments for union_defs function call.
7102 2006-05-04 Richard Guenther <rguenther@suse.de>
7104 PR tree-optimization/26447
7105 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7106 produce SSA_NAME copies before the store stmt to avoid
7107 breaking exception handling.
7109 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7112 * gimplify.c (omp_is_private): If var is shared in some outer context,
7113 return false instead of true. Stop searching on parallel context
7116 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7119 * coverage.c: Use get_gcov_unsigned_t() instead of
7120 unsigned_type_node all over.
7122 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7124 PR tree-optimization/27381
7125 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7126 maintain the same immediate_use links.
7127 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7128 node rather than segfaulting.
7130 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7133 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7134 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7135 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7137 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7139 Fix PR tree-optimization/26626
7140 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7142 * tree-ssa-operands.c (access_can_touch_variable): Allow
7143 typecasting through union pointers.
7145 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7148 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7149 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7150 to find if var will be a global variable even in the nested context.
7151 (omp_copy_decl): Only check for global variable at the end, it might
7152 be overridden in outer contexts.
7153 (scan_sharing_clauses): For global variables don't create a field.
7154 (lower_rec_input_clauses): Do nothing for global shared variables.
7155 Emit a barrier at the end of ILIST if there were any decls in both
7156 firstprivate and lastprivate clauses.
7157 (lower_send_clauses): Do nothing for global variables except for
7160 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7162 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7163 of the correct signedness is returned.
7165 2006-05-02 Jeff Law <law@redhat.com>
7167 PR tree-optimization/27364
7168 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7169 multiply expressions.
7171 2006-05-02 Tom Tromey <tromey@redhat.com>
7173 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7175 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7178 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7179 -mthumb -fPIC are used.
7181 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7182 Joshua Kinard <kumba@gentoo.org>
7185 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7186 with 64-bit pointers.
7188 2006-05-02 Paul Brook <paul@codesourcery.com>
7190 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7192 (create_fix_barrier): Check that a suitable barrier location is
7194 (arm_reorg): Include ftmp->address in allowable range of addresses.
7196 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7199 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7202 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7205 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7206 around RESULT_DECL for result passed by reference.
7207 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7208 * omp-low.c (use_pointer_for_field): Don't look at
7209 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7210 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7211 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7212 time or var for passing by reference for
7213 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7214 TREE_ADDRESSABLE variables when passing by reference.
7216 * omp-low.c (dump_omp_region): Fix output formatting.
7219 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7220 (expand_omp_parallel): Likewise.
7221 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7224 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7225 on statement list containing also constructors and destructors.
7226 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7229 * except.c (duplicate_eh_regions): Fix clearing of
7230 cfun->eh->region_array entries.
7232 2006-05-01 DJ Delorie <dj@redhat.com>
7234 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7236 (gcc_cv_objdump): Likewise.
7237 * configure: Regenerated.
7239 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7242 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7243 templates for case 3 and 4.
7245 2006-05-01 DJ Delorie <dj@redhat.com>
7247 * vec.c: Include bconfig.h when appropriate.
7248 * Makefile.in (build/vec.o): Adjust dependencies.
7249 * mkconfig.sh: Make sure config.h isn't used for build machine
7252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7254 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7256 (mark_phi_for_rewrite): New function.
7257 (insert_phi_nodes_for, mark_use_interesting): Call
7258 mark_phi_for_rewrite.
7259 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7260 (update_ssa): Initialize and free phis_to_rewrite.
7262 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7264 PR rtl-optimization/27291
7265 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7266 folded to a constant.
7268 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7270 PR tree-optimization/27283
7271 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7272 not whole # of iteration descriptions.
7273 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7274 uses abnormal ssa name.
7275 (niter_for_single_dom_exit): Ditto.
7276 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7277 return just the number of iterations.
7279 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7281 PR tree-optimization/27144
7282 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7283 (record_estimate): Only record constant upper bound.
7284 (infer_loop_bounds_from_undefined): Call
7285 compute_estimated_nb_iterations just once.
7286 (proved_non_wrapping_p): Renamed to ...
7287 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7288 (convert_step_widening, scev_probably_wraps_p): Call
7289 n_of_executions_at_most instead of proved_non_wrapping_p.
7290 (substitute_in_loop_info): Do not replace values in bounds.
7291 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7294 2006-05-01 Richard Henderson <rth@redhat.com>
7297 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7298 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7301 2006-05-01 Roger Sayle <roger@eyesopen.com>
7303 * c-typeck.c (parser_build_binary_op): Don't call the function
7304 unsigned_conversion_warning to spot operand/result type overflow.
7305 (build_binary_op): Instead, call convert_and_check instead of
7306 convert to report the problem when the operands are promoted.
7307 * c-common.c (unsigned_conversion_warning): Make static.
7308 * c-common.h (unsigned_conversion_warning): Delete prototype.
7310 2006-05-01 Richard Guenther <rguenther@suse.de>
7312 PR tree-optimization/26726
7313 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7315 (find_interesting_uses_address): ... we work around here
7316 by folding INDIRECT_REFs in the substituted base.
7318 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7320 * omp-low.c (dump_omp_region): Add newlines.
7322 2006-04-30 Roger Sayle <roger@eyesopen.com>
7324 * common.opt (Woverflow): New command line option.
7325 * c-common.c (constant_expression_warning): Check warn_overflow.
7326 (overflow_waring): Pass OPT_Woverflow to warning.
7327 (unsigned_conversion_warning): Likewise.
7328 (convert_and_check): Likewise.
7329 * doc/invoke.texi: Document new command line option.
7331 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7333 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7334 TARGET_NO_FP_IN_TOC for section anchors.
7335 (optimization_options): Enable section anchors for all
7336 non-"Objective" languages.
7338 2006-04-28 Eric Christopher <echristo@apple.com>
7340 * config/darwin-c.c (darwin_ms_struct): Move this
7341 (darwin_set_default_type_attributes): and this...
7342 * config/darwin.c: ... here.
7343 * config/darwin.h (darwin_ms_struct): Declare.
7345 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7347 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7349 2006-04-28 Roger Sayle <roger@eyesopen.com>
7352 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7353 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7354 an unsigned HOST_WIDE_INT.
7355 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7357 (really_start_incremental_init): No need to call convert because
7358 bitsize_zero_node is already of type bitsizetype.
7359 (push_init_level): Extract the value of constructor_index as an
7360 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7361 (process_init_element): Likewise.
7363 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7365 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7366 value before passing to make_relative_prefix.
7368 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7371 * builtins.c (expand_builtin_memset): Expand val in original mode.
7373 2006-04-27 Eric Christopher <echristo@apple.com>
7375 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7376 with #ifndef/#endif.
7377 * config/darwin-c.c (darwin_ms_struct): New.
7378 (darwin_pragma_ms_struct): Ditto.
7379 (darwin_set_default_type_attributes): Ditto.
7380 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7381 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7382 Register ms_struct pragma.
7383 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7384 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7385 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7386 darwin_set_default_type_attributes if TARGET_MACHO.
7388 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7390 PR tree-optimization/26854
7391 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7392 * doc/tree-ssa.texi: Update immuse iterator documentation.
7393 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7394 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7395 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7396 first_safe_imm_use, next_safe_imm_use): Remove.
7397 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7398 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7399 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7400 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7401 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7402 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7403 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7404 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7405 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7406 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7407 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7408 (perfect_nestify): Use new iterator.
7409 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7411 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7412 (next_imm_name): New field in struct immediate_use_iterator_d.
7413 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7414 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7415 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7416 * tree-cfg.c (replace_uses_by): Use new iterator.
7417 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7418 * tree-ssa-operands.c (correct_use_link): Remove.
7419 (finalize_ssa_use_ops): No longer call correct_use_link.
7421 2006-04-27 Stuart Hastings <stuart@apple.com>
7423 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7424 * config/t-darwin (crt3.o): Use it.
7425 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7426 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7427 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7428 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7429 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7432 2006-04-27 Roger Sayle <roger@eyesopen.com>
7434 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7435 size, force the intermediate into a new pseudo rather instead of
7436 performing both a bitwise AND and a bitwise IOR in memory.
7438 2006-04-27 Richard Guenther <rguenther@suse.de>
7440 PR rtl-optimization/26685
7441 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7442 this one "max-flow-memory-locations".
7444 2006-04-27 Richard Guenther <rguenther@suse.de>
7446 PR tree-optimization/25148
7447 * tree-vrp.c (compare_values): Remove code dealing with
7448 comparisons against type min/max value. Honour overflow
7449 and negative constants in code dealing with comparisons
7450 of plus and minus expressions.
7451 (value_inside_range): Use fold_binary with LE_EXPR and
7452 GE_EXPR rather than compare_values.
7454 2006-04-27 Dirk Mueller <dmueller@suse.de>
7456 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7459 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7461 * basic-block.h (safe_insert_insn_on_edge): Removed.
7462 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7464 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7465 Paolo Bonzini <bonzini@gnu.org>
7468 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7469 (simplify_and_const_int): Same.
7471 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7473 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7475 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7478 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7479 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7480 cgraph_global_info_ready.
7483 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7486 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7487 either decl or init is error_mark_node.
7490 * tree-flow.h (struct omp_region): Add sched_kind.
7491 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7492 instead of extracting omp for data.
7493 (expand_omp_for): Save extracted sched_kind.
7495 2006-04-25 Roger Sayle <roger@eyesopen.com>
7497 * expmed.c (store_bit_field): Also check whether the bitsize is
7498 valid for the machine's "insv" instruction before moving the
7499 target into a pseudo for use with the insv.
7500 * config/i386/predicates.md (const8_operand): New predicate.
7501 * config/i386/i386.md (extv, extzv, insv): Use the new
7502 const8_operand predicate where appropriate.
7504 2006-04-25 DJ Delorie <dj@redhat.com>
7506 * doc/install.texi (Specific): Clarify that this is not a list of
7507 supported hosts or targets.
7509 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7511 PR rtl-optimization/26725
7512 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7513 block's BB_DIRTY flag.
7515 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7517 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7520 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7521 to print an integer.
7523 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7525 * varasm.c (align_variable): New function.
7526 (get_block_for_decl): Apply align_variable to DECL before
7527 calculating section information.
7528 (assemble_variable): Split out alignment computation.
7530 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7532 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7535 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7537 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7538 MODE_PARTIAL_INT mode.
7539 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7540 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7542 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7543 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7545 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7547 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7549 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7550 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7551 MACFLAG_IH): Likewise.
7552 (movstricthi_1): Renamed from "*movstricthi".
7553 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7554 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7555 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7556 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7557 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7558 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7559 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7560 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7561 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7562 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7563 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7564 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7565 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7566 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7567 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7569 * doc/rtl.texi (ss_ashift): Improve wording.
7571 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7573 * dwarf2out.c (verify_marks_clear): New.
7574 (prune_unused_types): Call verify_marks_clear initially, not
7577 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7579 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7580 * doc/rtl.texi: Document them.
7581 * simplify-rtx.c (simplify_unary_operation,
7582 simplify_binary_operation_1): Don't abort when we see them.
7584 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7587 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7588 * configure.ac: Completely disregard languages that are not
7590 * configure: Regenerated.
7592 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7593 Richard Guenther <rguenther@suse.de>
7595 PR tree-optimization/27236
7596 * tree-inline.c (copy_body_r): Make sure to copy
7597 TREE_THIS_VOLATILE flag.
7599 2006-04-24 Richard Guenther <rguenther@suse.de>
7602 * tree-complex.c (update_parameter_components): Don't handle
7603 unused parameters which have no default def.
7605 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7606 Richard Guenther <rguenther@suse.de>
7608 PR tree-optimization/27218
7609 * tree-inline.c (expand_call_inline): Strip useless type
7610 conversions for the return slot address.
7612 2006-04-24 Richard Guenther <rguenther@suse.de>
7614 * cfgloop.h (struct loops): Remove unused field array. Reorder
7616 (LOOP_PREFETCH): Remove.
7618 2006-04-24 Richard Guenther <rguenther@suse.de>
7620 PR tree-optimization/22525
7621 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7622 variable, adjust types of generated expressions.
7624 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7626 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7627 (tree-vect-patterns.o): Likewise.
7629 (cselib.o): Likewise.
7630 (loop-doloop.o): Likewise.
7631 (regclass.o): Likewise.
7632 (reload1.o): Likewise.
7633 (explow.o): Replace target.h with $(TARGET_H).
7634 (ipa-prop.o): Likewise.
7635 (ipa-cp.o): Likewise.
7636 (ipa-inline.o): Likewise.
7637 (reorg.o): Likewise.
7638 (reg-stack.o): Likewise.
7640 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7642 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7644 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7646 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7648 * configure.ac: Completely disregard languages that are not
7650 * configure: Regenerated.
7653 * c-common.h (c_build_bitfield_integer_type): Declare.
7654 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7655 * c-common.c (c_build_bitfield_integer_type): ... here.
7657 2006-04-23 Roger Sayle <roger@eyesopen.com>
7660 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7661 a SImode SUBREG of a floating point register after no_new_pseudos.
7663 2006-04-23 Roger Sayle <roger@eyesopen.com>
7665 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7666 identify potentially eliminable registers to additionally catch
7667 VIRTUAL_INCOMING_ARGS_REGNUM.
7668 (addsi3): Update the conditions on when to use addsi_small_int.
7670 2006-04-23 Roger Sayle <roger@eyesopen.com>
7673 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7674 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7675 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7677 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7679 * fold-const.c (range_predecessor): Use operand_equal_p
7680 as the predicate for equality.
7681 (range_successor): Likewise.
7683 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7686 * config/soft-fp/op-common.h: Fix a typo.
7688 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7691 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7692 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7694 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7696 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7698 * doc/tm.texi: Fix a typo.
7700 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7702 * dwarf2out.c (struct die_struct): Document that die_sib makes
7703 a circular linked list.
7704 (FOR_EACH_CHILD): New.
7705 (reverse_die_lists): Delete.
7706 (reverse_all_dies): Delete.
7707 (add_dwarf_attr): Correct documentation.
7708 (remove_child_with_prev): New.
7709 (remove_child_TAG): Update for change to die_struct, use
7710 remove_child_with_prev.
7711 (add_child_die): Update for change to die_struct.
7712 (splice_child_die): Use remove_child_with_prev and add_child_die.
7713 (print_die): Use FOR_EACH_CHILD.
7714 (die_checksum): Likewise.
7715 (assign_symbol_names): Likewise.
7716 (output_location_lists): Likewise.
7717 (build_abbrev_table): Likewise.
7718 (calc_die_sizes): Likewise.
7719 (mark_dies): Likewise.
7720 (unmark_dies): Likewise.
7721 (unmark_all_dies): Likewise.
7722 (output_die): Likewise.
7723 (prune_unused_types_mark): Likewise.
7724 (prune_unused_types_walk): Likewise.
7725 (same_die_p): Update for change to die_struct.
7726 (break_out_includes): Likewise.
7727 (prune_unused_types_prune): Likewise.
7728 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7729 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7731 (dwarf2out_finish): Don't call reverse_all_dies.
7733 2006-04-21 Eric Christopher <echristo@apple.com>
7735 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7736 in comments and function names.
7738 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7741 * c-typeck.c (digest_init): Robustify.
7743 * c-typeck.c (pop_init_level): Simplify.
7745 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7747 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7749 2006-04-21 Paul Brook <paul@codesourcery.com>
7751 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7752 hardware floating point.
7754 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7756 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7759 2006-04-21 Nick Clifton <nickc@redhat.com>
7761 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7764 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7767 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7768 C++ lang type in traceback table for Objective-C++.
7770 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7772 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7774 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7776 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7779 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7780 were errors. Remove check for erroneous objects.
7782 2006-04-20 Jeff Law <law@redhat.com>
7784 PR tree-optimization/26854
7785 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7786 checking for zero or one use.
7787 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7788 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7789 * tree-ssa-reassoc.c (negate_value): Similarly.
7790 (reassociate_bb): Similarly.
7792 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7794 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7795 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7796 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7798 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7800 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7801 fp regs if the last fp arg doesn't fit in regs.
7803 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7806 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7807 that the last insn has the REG_INC note.
7809 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7810 Nathan Sidwell <nathan@codesourcery.com>
7813 * stor-layout.c (update_alignment_for_field): Do not align
7815 (place_union_field): Place union field at the start of the union.
7816 (place_field): Move ERROR_MARK check later, and use the current
7817 allocation position to maintain monotonicity.
7819 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7821 * dominance.c: Include timevar.h.
7822 (calculate_dominance_info): Use TV_DOMINANCE.
7823 * timevar.def (TV_DOMINANCE): New timevar.
7824 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7826 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7828 PR rtl-optimization/14261
7829 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7830 move would be an INSV insn.
7831 (noce_process_if_block): Don't optimize if the destination is a
7832 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7834 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7836 * config/s390/s390.md: Add comments with the instructions emitted
7837 by an insn pattern if macros are used.
7839 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7841 PR rtl-optimization/26026
7842 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7843 is a known power of two shifted left a variable amount.
7845 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7847 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7848 to hash table twice when the debug_str section has SECTION_MERGE.
7850 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7852 * config/soft-fp: New directory. From glibc.
7853 * config/soft-fp/t-softfp: New.
7854 * config/soft-fp/README: New.
7855 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7856 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7857 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7858 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7859 * config.gcc: Use rs6000/t-fprules-fpbit or
7860 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7862 * config/rs6000/sfp-machine.h: New. Based on glibc.
7863 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7865 * config/rs6000/t-fprules: Remove fp-bit rules.
7866 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7867 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7868 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7869 (softfp_wrap_start, softfp_wrap_end): New.
7871 2006-04-18 DJ Delorie <dj@redhat.com>
7873 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7875 2006-04-18 Devang Patel <dpatel@apple.com>
7877 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7879 2006-04-18 Nick Clifton <nickc@redhat.com>
7881 * config/sh/t-symbian: Add rule to build sh-c.o
7882 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7883 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7884 (sh_symbian_encode_section_info): Likewise.
7886 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7888 * builtins.c (expand_builtin_strcmp): Cover label definition of
7889 do_libcall with HAVE_cmpstrnsi.
7891 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7893 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7895 * function.h (temp_slot_p): New.
7896 (function): Change the type of x_used_temp_slots to
7897 VEC(temp_slot_p,gc) *.
7899 2006-04-18 Nick Clifton <nickc@redhat.com>
7901 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7902 flag_strength_reduce.
7904 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7906 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7910 Partial revert of revision 112637
7911 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7912 Dale Johannesen <dalej@apple.com>
7915 * regclass.c (struct reg_pref): Update documentation.
7916 (regclass): Set prefclass to NO_REGS if memory is the best option.
7917 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7919 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7921 PR tree-optimization/26821
7922 * tree-ssa-math-opts.c (get_constant_one): New.
7923 (insert_reciprocals): Use it.
7925 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7927 * dwarf2out.c (free_AT): Delete.
7928 (remove_AT): Update string ref counts.
7929 (remove_child_TAG): Don't call free_die.
7931 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7932 or DW_TAG_GNU_EINCL.
7933 (prune_unused_types_walk_attribs): Reset string refcounts.
7934 (prune_unused_types_update_strings): New.
7935 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7936 call free_die. Do call prune_unused_types_update_strings.
7937 (prune_unused_types): Empty debug_str_hash.
7939 2006-04-17 Roger Sayle <roger@eyesopen.com>
7941 * expr.c (expand_assignment): Optimize away no-op moves where the
7942 source and destination are equal and have no side-effects.
7944 2006-04-17 Richard Guenther <rguenther@suse.de>
7947 * reload.c (push_reload): Guard calls to get_secondary_mem
7950 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7952 * alias.c (reg_base_value, old_reg_base_value): Change the
7953 type to VEC(rtx,gc) *.
7954 (REG_BASE_VALUE, find_base_value, record_set,
7955 init_alias_analysis): Use VEC instead of VARRAY.
7957 * alias.c (alias_sets): Change the type to
7958 VEC(alias_set_entry,gc) *.
7959 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7960 VEC instead of VARRAY.
7961 (last_alias_set): Remove.
7963 * cgraph.h (cgraph_edge_p): New.
7964 Update the prototype of cgraph_function_versioning.
7965 * cgraphunit.c (cgraph_copy_node_for_versioning,
7966 cgraph_function_versioning): Use VEC instead of VARRAY.
7967 * ipa-cp.c (ipcp_insert_stage): Likewise.
7969 2006-04-16 Roger Sayle <roger@eyesopen.com>
7972 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7973 "A op B" or "A op C", we may need to convert A to the type of B and C.
7975 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7977 * target.h (struct gcc_target): Add mode_rep_extended.
7978 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7979 (init_num_sign_bit_copies_in_rep): Initialize it using
7981 (truncate_to_mode): Use it.
7982 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7983 * targhooks.h (default_mode_rep_extended): Declare it.
7984 * targhooks.c (default_mode_rep_extended): Define it.
7985 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7986 default_mode_rep_extended.
7987 (TARGET_INITIALIZER): Include it.
7988 * doc/tm.texi (Misc): Document it.
7989 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7990 (mips_truncated_to_mode): New function.
7992 2006-04-16 Roger Sayle <roger@eyesopen.com>
7995 * expr.c (compress_float_constant): Copy the narrow constant into
7996 a new pseudo before extending it to its final width.
7998 2006-04-16 Roger Sayle <roger@eyesopen.com>
7999 Andrew Pinski <pinskia@gcc.gnu.org>
8000 Dale Johannesen <dalej@apple.com>
8003 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8004 special case code to implement V8HImode and V16QImode with SSE2.
8006 2006-04-15 Roger Sayle <roger@eyesopen.com>
8008 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8009 trees are constructed with a suitable tree type.
8011 2006-04-15 Roger Sayle <roger@eyesopen.com>
8013 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8014 (integer_onep): Likewise.
8015 (integer_all_onesp): Likewise.
8016 (integer_pow2p): Likewise.
8017 (integer_nonzerop): Likewise.
8018 (real_zerop): Likewise.
8019 (real_onep): Likewise.
8020 (real_twop): Likewise.
8021 (real_minus_onep): Likewise.
8022 (int_size_in_bytes): Likewise.
8023 (host_integerp): Likewise.
8025 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8027 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8028 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8029 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8031 * tree-ssa-structalias.h (alias_info): Remove num_references.
8033 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8035 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8036 (output_bvb patterns): Likewise.
8037 * pa.c (output_bb): Use 'bb' insn for long branch case.
8038 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8039 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8040 1. Correct length operand for alternatives 1 and 2.
8041 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8042 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8044 2006-04-14 Roger Sayle <roger@eyesopen.com>
8046 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8047 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8048 were accidentally reverted by r112959.
8050 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8053 * except.h (eh_region_outermost): New prototype.
8054 * except.c (eh_region_outermost): New function.
8055 * tree-cfg.c (find_outermost_region_in_block): Use it.
8057 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8059 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8061 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8062 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8063 (init_reload, reload): Use VEC instead of VARRAY.
8064 * reload.h: Update the prototype for
8065 reg_equiv_memory_loc_varray.
8067 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8068 Eric Botcazou <ebotcazou@libertysurf.fr>
8070 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8073 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8076 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8077 to expand fallback builtin function call.
8079 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8082 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8083 and emit libcall here in case the builtin fails.
8084 (expand_builtin_strcmp): Always emit the libcall here on failure.
8086 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8088 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8089 * flow.c (reg_n_info): Change the type to
8090 VEC(reg_info_p,heap) *.
8091 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8093 * regs.h (reg_info_p): New.
8094 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8095 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8096 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8099 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8101 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8103 * params.h (MAX_SCHED_READY_INSNS): New macro.
8104 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8105 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8106 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8107 the ready list for 1 cycle during the first scheduling pass.
8108 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8110 2006-04-13 Richard Henderson <rth@redhat.com>
8113 * gimple-low.c (lower_omp_directive): Remove dead code.
8114 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8115 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8116 * omp-low.c (struct omp_region): Move to tree-flow.h.
8117 (root_omp_region): Export.
8118 (omp_regions, lookup_omp_region): Remove.
8119 (determine_parallel_type): Update for struct omp_region changes.
8120 (dump_omp_region): Dump regions with block numbers.
8121 (new_omp_region): Take type and block instead of stmt; malloc
8123 (free_omp_region_1, free_omp_regions): New.
8124 (expand_parallel_call): Take entry_stmt as argument; update for
8125 changes to omp_region.
8126 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8127 (remove_exit_barriers): New.
8128 (expand_omp_parallel): Update for struct omp_region changes.
8129 (expand_omp_synch): Likewise.
8130 (expand_omp): Likewise.
8131 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8132 (expand_omp_for_static_chunk): Likewise.
8133 (expand_omp_for): Likewise.
8134 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8135 (expand_omp_sections): Similarly, with GOMP_sections_end.
8136 (expand_omp_single): New.
8137 (build_omp_regions_1): Update for OMP_CONTINUE.
8138 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8139 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8140 OMP_SECTIONS_SECTIONS.
8141 (lower_omp_single_simple): Don't emit barrier here.
8142 (lower_omp_single_copy): Likewise.
8143 (lower_omp_single): Fix bindings, and lower to straightline now.
8144 (lower_omp_master, lower_omp_ordered): Likewise.
8145 (lower_omp_critical): Likewise.
8146 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8147 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8148 omp edges, free it afterward.
8149 (make_omp_sections_edges): Remove.
8150 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8151 (move_stmt_r): Handle OMP_CONTINUE.
8152 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8153 statement pointers to basic blocks. Add type member.
8154 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8155 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8156 * tree-inline.c (estimate_num_insns_1): Likewise.
8157 * tree-pretty-print.c (dump_generic_node): Likewise.
8158 * tree-ssa-operands.c (get_expr_operands): Likewise.
8159 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8160 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8161 (OMP_CONTINUE): New.
8162 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8163 (OMP_SECTIONS_SECTIONS): Remove.
8164 (OMP_SECTION_LAST): New.
8165 (OMP_RETURN_NOWAIT): New.
8167 2006-04-13 Roger Sayle <roger@eyesopen.com>
8169 * fold-const.c (native_encode_vector, native_interpret_real):
8170 Correct obvious mistakes in the previous check-in.
8172 2006-04-13 Roger Sayle <roger@eyesopen.com>
8174 * fold-const.c (native_encode_expr): New function to encode
8175 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8176 or VECTOR_CST into a specified buffer.
8177 (native_encode_int): New function.
8178 (native_encode_real): New function.
8179 (native_encode_complex): New function.
8180 (native_encode_vector): New function.
8181 (native_interpret_expr): Inverse of native_encode_expr to convert
8182 a target representation into an INTEGER_CST, REAL_CST etc...
8183 (native_interpret_int): New function.
8184 (native_interpret_real): New function.
8185 (native_interpret_complex): New function.
8186 (native_interpret_vector): New function.
8187 (fold_view_convert_expr): New function to constant fold/evaluate
8188 a VIEW_CONVERT_EXPR of a suitable constant expression.
8189 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8190 Change call of build1 to fold_build1 when constructing a
8193 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8194 Ulrich Weigand <uweigand@de.ibm.com>
8197 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8200 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8203 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8204 optimize to lo_sum for DFmode if !TARGET_FPRS.
8206 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8208 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8209 delete_alias_info, compute_flow_sensitive_aliasing,
8210 group_aliases): Use VEC instead of VARRAY.
8211 * tree-ssa-structalias.c (update_alias_info): Likewise.
8212 * tree-ssa-structalias.h (alias_info): Change the type of
8213 processed_ptrs to VEC(tree,heap) *.
8215 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8218 * config/sh/lib1funcs.h: New file, broken out of:
8219 * config/sh/lib1funcs.asm.
8220 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8222 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8223 * config/sh/lib1funcs-Os-4-200.asm: New file.
8224 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8225 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8226 (EXTRA_MULTILIB_PARTS): Include it.
8227 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8228 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8229 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8230 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8233 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8235 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8236 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8237 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8239 * tree-ssa-live.h: Include vecprim.h.
8240 (tree_partition_associator_d): Change the type of
8241 first_partition to VEC(int,heap) *.
8242 (tpa_first_partition): Use VEC instead of VARRAY.
8244 * Makefile.in (GTFILES): Move functions.h after tree.h.
8245 * function.c (reset_block_changes, record_block_change,
8246 check_block_change, free_block_changes): Use VEC instead of
8248 * function.h (function): Change the type of
8249 ib_boundaries_block to VEC(tree,gc) *.
8250 * tree-inline.c (copy_cfg_body): Initialize
8251 ib_boundaries_block to NULL instead of (varray_type) 0.
8253 2006-04-12 Roger Sayle <roger@eyesopen.com>
8255 * expr.c (emit_group_store): Correct operand order in call to
8256 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8257 a SUBREG_BYTE of zero.
8259 2006-04-12 Richard Guenther <rguenther@suse.de>
8261 * profile.c (compute_branch_probabilities): Remove code
8262 encapsulated in !ir_type (), which are remanents of the
8263 removed RTL profiling code.
8264 * rtl-profile.c: Remove.
8266 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8268 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8269 magic NULL_RTX comment.
8270 (function_arg): Store entire fp arg to mem if any part should go
8272 (rs6000_arg_partial_bytes): Adjust for above change.
8274 2006-04-11 Roger Sayle <roger@eyesopen.com>
8276 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8277 if it hasn't been initialized by dwarf2out_init.
8279 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8281 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8282 symbolic constants in branch patterns.
8284 2006-04-11 Roger Sayle <roger@eyesopen.com>
8286 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8288 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8290 PR rtl-optimization/27073
8291 * gcse.c (try_replace_reg): Revert last change. Continue to search
8292 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8295 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8297 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8298 aggregate types other than record and union types.
8299 (function_arg): Likewise.
8300 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8302 (function_value): In 64-bit mode, return objects that require it
8305 2006-04-11 Roger Sayle <roger@eyesopen.com>
8307 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8309 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8311 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8313 2006-04-03 Jeff Law <law@redhat.com>
8316 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8317 alias information too.
8319 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8321 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8323 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8326 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8327 (premark_used_types_helper): New.
8328 (premark_used_types): New.
8329 (gen_subprogram_die): Call premark_used_types.
8330 (prune_unused_types_walk): Do not prune perennial dies.
8331 * function.c (used_types_insert): New.
8332 * function.h (struct function): Add used_types_hash field.
8333 (used_types_insert): Add prototype.
8334 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8335 * c-parser.c (c_parser_cast_expression): Save casted types in used
8338 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8341 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8342 rs6000_explicit_options.float_gprs.
8344 2006-04-10 Roger Sayle <roger@eyesopen.com>
8346 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8347 from ix86_expand_vector_init_low_nonzero. Take an additional
8348 one_var argument indicating which element is non-zero. Support
8349 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8350 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8351 with one_var instead of ix86_expand_vector_init_low_nonzero.
8353 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8355 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8356 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8357 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8358 build/genextract.o): Depend on vecprim.h.
8359 * cfglayout.c, df-problems.c, function.c, genextract.c,
8360 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8361 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8365 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8367 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8368 Declare VECs of this type.
8369 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8370 (remove_children): Delete.
8371 (add_dwarf_attr): Use VEC routines.
8372 (add_AT_flag): Update for changes to add_dwarf_attr.
8373 (add_AT_int): Likewise.
8374 (add_AT_unsigned): Likewise.
8375 (add_AT_long_long): Likewise.
8376 (add_AT_vec): Likewise.
8377 (add_AT_string): Likewise.
8378 (add_AT_die_ref): Likewise.
8379 (add_AT_fde_ref): Likewise.
8380 (add_AT_loc): Likewise.
8381 (add_AT_loc_list): Likewise.
8382 (add_AT_addr): Likewise.
8383 (add_AT_lbl_id): Likewise.
8384 (add_AT_lineptr): Likewise.
8385 (add_AT_macptr): Likewise.
8386 (add_AT_offset): Likewise.
8387 (add_AT_range_list): Likewise.
8388 (get_AT): Use VEC_iterate.
8389 (remove_AT): Use VEC_ordered_remove.
8390 (free_die): Fold remove_children into here; have it use VEC_iterate.
8391 (print_die): Use VEC_iterate on attrs.
8392 (reverse_die_lists): Don't reverse attr lists.
8393 (die_checksum): Use VEC_iterate on attrs.
8394 (same_die_p): Likewise.
8395 (output_location_lists): Likewise.
8396 (build_abbrev_table): Likewise.
8397 (size_of_die): Likewise.
8398 (unmark_all_dies): Likewise.
8399 (output_abbrev_section): Likewise.
8400 (output_die): Likewise.
8401 (prune_unused_types_walk_attribs): Likewise.
8403 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8405 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8407 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8410 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8412 2006-04-09 Roger Sayle <roger@eyesopen.com>
8414 * expr.c (store_constructor): Don't bother clearing target if
8415 we're about to assign a vector to it using vec_init_optab.
8417 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8419 * tree-ssa-alias.c (lhs_may_store_to): New function.
8420 (recalculate_used_alone): Handle LHS of calls.
8422 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8426 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8427 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8428 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8429 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8430 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8431 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8432 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8433 stubs. Add ".align 8" directives before all ".dword" directives.
8434 (GTHREAD_USE_WEAK): Revise comment.
8435 (TARGET_ATTRIBUTE_WEAK): Define.
8436 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8437 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8438 * stublib.c: New file.
8443 * pa.md (cbranch patterns): Revise arguments used in calls to
8444 output_cbranch, output_bb and output_bvd. Add long branch length
8446 (fbranch patterns): Handle long branches.
8447 (jump): Revise length check. Revise arguments for output_lbranch call.
8448 Add long branch length attributes.
8449 (decrement_and_branch_until_zero): Add long branch length attributes.
8450 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8451 Likewise. Revise arguments for output_parallel_addb and
8452 output_parallel_movb calls.
8453 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8454 output_parallel_movb and output_parallel_addb): Update prototypes.
8455 * pa.c (output_cbranch): Revise arguments. Correct handling of
8456 nullification in long branches.
8457 (output_lbranch): Add new argument to control extraction of delay
8459 (output_bb): Handle long branches.
8460 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8461 output_parallel_addb): Likewise.
8463 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8465 PR rtl-optimization/27073
8466 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8469 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8471 * tree.h (tree_memory_tag): Add old_used_alone.
8472 (SMT_OLD_USED_ALONE): New macro.
8473 * tree-ssa-alias.c (recalculate_used_alone): Stop
8474 marking things for renaming unnecessarily.
8476 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8478 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8479 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8480 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8481 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8482 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8483 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8484 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8485 spelling convensions.
8486 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8487 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8488 typos. Follow spelling conventions.
8490 2006-04-07 DJ Delorie <dj@redhat.com>
8492 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8493 passed on the stack.
8494 (m32c_init_cumulative_args): When a function returns a structure,
8495 always pass the pointer to that return area on the stack.
8496 (m32c_function_arg_advance): Don't increment the parameter number
8497 if we're processing the returned structure pointer.
8498 (pushm_info): Reverse order of registers.
8500 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8502 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8503 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8504 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8505 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8507 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8508 chrec_fold_multiply): Same.
8509 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8510 force_expr_to_var_cost): Same.
8511 * tree-mudflap.c (mf_xform_derefs_1): Same.
8512 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8514 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8516 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8517 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8520 2006-04-07 Jan Hubicka <jh@suse.cz>
8522 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8524 2006-04-07 Richard Guenther <rguenther@suse.de>
8526 PR tree-optimization/26135
8527 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8528 loads for store copy-prop.
8529 (copy_prop_visit_stmt): Likewise.
8531 2006-04-05 Robert Millan <robertmh@gnu.org>
8533 * config/i386/linux.h: Add a comment to mark macros that are
8534 being overriden in config/k*bsd-gnu.h.
8535 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8537 * config/knetbsd-gnu.h: Ditto.
8539 2006-04-06 Jan Hubicka <jh@suse.cz>
8543 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8546 2006-04-06 Mike Stump <mrs@apple.com>
8548 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8549 for HAVE_nonlocal_goto to be consistent.
8550 (expand_builtin_nonlocal_goto): Likewise.
8551 (expand_builtin_strcmp): Use #ifdef instead of #if
8552 for HAVE_cmpstrnsi to be consistent.
8554 2006-04-05 DJ Delorie <dj@redhat.com>
8556 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8559 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8561 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8562 got-relative addressing for anything but SImode.
8564 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8565 even if the calling function doesn't modify them.
8567 2006-04-05 Richard Guenther <rguenther@suse.de>
8569 PR tree-optimization/26919
8570 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8571 to cgraph_estimate_size_after_inlining.
8573 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8575 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8577 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8579 PR tree-optimization/26996
8580 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8581 VECTOR_TYPE variables.
8583 2006-04-05 Richard Guenther <rguenther@suse.de>
8585 PR tree-optimization/26763
8586 * fold-const.c (fold_comparison): Move folding of
8587 PTR + CST CMP PTR + CST ...
8588 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8590 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8592 * doc/install.texi (Prerequisites): Refine some wording on
8593 bootstrapping and ksh.
8594 Move the version numbers of DejaGnu here from the testing section
8595 and fix casing of names.
8596 Fix markup and clarify wording for autogen requirements.
8597 Refer to GCJ instead of just java.
8598 Refer to SVN instead of CVS.
8599 Describe diffutils as useful instead of necessary.
8600 (Downloading the source): Refer to SVN instead of CVS.
8601 Adjust a link to our web site accordingly.
8602 (Configuration): Fix casing of Bison.
8603 (Building): Refer to SVN instead of CVS.
8604 Fix a sentence on the use of Bison and remove duplicate (and
8605 incorrect) version number of Bison requirement.
8606 Remove one redundant list of packages needed for building.
8607 (Specific): Avoid reference to CVS.
8609 2006-04-04 Eric Christopher <echristo@apple.com>
8611 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8612 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8613 (rs6000_handle_struct_attribute): New.
8614 (rs6000_ms_bitfield_layout_p): Ditto.
8616 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8618 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8619 NULL for dso parameter to atexit_common.
8621 2006-04-04 Eric Christopher <echristo@apple.com>
8623 * config/i386/i386.c (machopic_output_stub): Output \t
8624 between instructions and operands.
8626 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8628 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8629 satisfies_constraint_[IL] to explicit tests on value.
8631 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8633 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8634 set_nb_iterations_in_loop): Use build_int_cst instead of
8636 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8637 build_int_cst instead of convert.
8639 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8641 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8642 new value 2 for incoming.
8643 * function.c (expand_function_start): Call struct_value_rtx
8645 * config/sparc/sparc.md: Comment updated_return.
8646 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8647 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8648 struct return if sparc_std_struct_return and incoming is 2.
8649 (print_operand): Do not adjust return if
8650 sparc_std_struct_return.
8652 2006-04-04 Roger Sayle <roger@eyesopen.com>
8654 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8655 convert in the middle-end.
8656 * expr.c (store_expr, store_constructor, get_inner_reference,
8657 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8659 * tree.c (build_range_type): Likewise.
8661 2006-04-04 Tom Tromey <tromey@redhat.com>
8663 * doc/install.texi (Prerequisites): Mention jar.
8665 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8667 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8670 2006-04-04 Matthias Klose <doko@debian.org>
8672 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8676 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8679 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8681 * doc/extend.texi (Function Attributes): Rewrite visibility
8682 attribute documentation.
8683 * doc/invoke.texi (C++ Dialect Options): Rewrite
8684 -fvisibility-inlines-hidden documentation to describe something
8685 entirely different, although in practise compatible.
8686 (Code Gen Options): Warn about system headers in -fvisibility=
8689 * doc/extend.texi (Other Builtins): Document that
8690 __builtin_nan is a compile-time constant only when its argument
8693 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8695 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8696 trying to remove TRUNCATE check if all bits outside the new mode
8697 are identical to the sign bit.
8699 2006-04-03 Jeff Law <law@redhat.com>
8701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8702 and operand scanning in some common cases.
8704 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8705 Dale Johannesen <dalej@apple.com>
8708 * regclass.c (struct reg_pref): Update documentation.
8709 (regclass): Set prefclass to NO_REGS if memory is the best option.
8710 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8711 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8712 into account. For non-registers, equate an empty preferred
8713 reload class to a `!' in the constraint; move the if clause to
8714 do so after those that reject the insn.
8715 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8717 (find_dummy_reload): Likewise.
8718 * doc/tm.texi (Register Classes): Document what it means
8719 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8720 * config/i386/i386.c (ix86_preferred_reload_class): Force
8721 using SSE registers (and return NO_REGS for floating-point
8722 constants) if math is done with SSE.
8723 (ix86_preferred_output_reload_class): New.
8724 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8725 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8726 * config/i386/i386.md: Remove # register preferences.
8728 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8731 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8732 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8733 the type of nb_iter.
8734 (instantiate_parameters_1): Convert the operands before calling
8735 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8736 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8738 2006-04-02 Roger Sayle <roger@eyesopen.com>
8740 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8741 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8743 * dojump.c (do_jump): Likewise.
8744 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8745 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8746 gimplify_boolean_expr): Likewise.
8747 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8748 * varasm.c (array_size_for_constructor): Likewise.
8749 * tree-object-size.c (compute_object_offset): Likewise.
8751 2006-04-02 Roger Sayle <roger@eyesopen.com>
8754 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8755 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8757 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8759 PR tree-optimization/26939
8760 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8762 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8764 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8765 at_stmt. Convert the type of operands before calling
8766 build_polynomial_chrec.
8767 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8769 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8770 (instantiate_parameters_1): Convert the type of operands before calling
8771 build_polynomial_chrec.
8772 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8773 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8774 reset_evolution_in_loop): Insert asserts to check the types of the
8776 (chrec_type): Moved...
8777 (eq_evolutions_p): Use operand_equal_p.
8778 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8779 the types of the operands.
8780 (chrec_type): ...here.
8781 * tree-data-ref.c (create_data_ref): Convert the operands before
8782 calling chrec_replace_initial_condition.
8783 (same_access_functions, analyze_subscript_affine_affine,
8784 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8785 (compute_subscript_distance, analyze_ziv_subscript,
8786 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8787 analyze_miv_subscript): Convert the operands before calling
8788 chrec_fold_minus or chrec_fold_plus.
8790 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8792 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8793 the dependence_relations vector.
8794 (compute_data_dependences_for_loop): Adjust call to
8795 compute_all_dependences.
8797 2006-04-01 Roger Sayle <roger@eyesopen.com>
8798 Richard Henderson <rth@redhat.com>
8800 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8801 gimple_boolify on the condition before calling gimplify_expr.
8803 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8805 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8806 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8807 the frame size. Update to use the new macros.
8808 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8809 * config/xtensa/ieee754-df.S: Likewise.
8811 2006-03-31 Richard Henderson <rth@redhat.com>
8813 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8814 (make_edges): ... here. Control fallthru creation with a local
8815 variable. Do not play with fake edges.
8816 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8817 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8820 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8822 * dwarf2.h (DW64_CIE_ID): Define.
8823 * dwarf2out.c (DWARF_CIE_ID): Define.
8824 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8825 length header. Use DWARF_CIE_ID.
8826 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8827 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8829 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8831 * config/sh/linux-atomic.asm: New file.
8832 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8834 2006-03-31 DJ Delorie <dj@redhat.com>
8836 * config/m32c/cond.md: Set condition flags properly throughout.
8837 * config/m32c/minmax.md: Likewise.
8838 * config/m32c/prologue.md: Likewise.
8839 * config/m32c/bitops.md: Likewise.
8840 * config/m32c/muldiv.md: Likewise.
8841 * config/m32c/mov.md: Likewise.
8842 * config/m32c/addsub.md: Likewise.
8843 * config/m32c/m32c.md: Likewise.
8844 * config/m32c/jump.md: Likewise.
8845 * config/m32c/shift.md: Likewise.
8847 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8848 conditionally output the pattern for this.
8849 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8850 (m32c_compare_redundant): New.
8851 (m32c_output_compare): New.
8852 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8854 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8855 dest, not src. Allow other 4-byte modes.
8857 2006-03-30 Denis Chertykov <denisc@overta.ru>
8859 * doc/md.texi: Refer to avr/constraints.md instead of
8862 2006-03-30 Roger Sayle <roger@eyesopen.com>
8864 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8865 signed vs. unsigned comparison failures on some hosts.
8867 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8870 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8871 change to FLOAT_REGS.
8873 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8874 (rs6000_override_options): Use it.
8875 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8876 only for -mabi=spe/no-spe and -mabi=altivec.
8878 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8880 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8883 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8885 * Makefile.in: Rename docdir to gcc_docdir.
8887 2006-03-30 Roger Sayle <roger@eyesopen.com>
8890 * expr.c (emit_group_store): Optimize group stores into a pseudo
8891 register by using a paradoxical subreg to initialize the destination
8892 if the first or last member of the group specifies a "low part".
8894 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8897 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8898 * target.h (struct gcc_target.speculate_insn): Change type of the
8899 second parameter to 'int'.
8900 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8901 the second operand of the DEPS_LIST.
8902 (copy_DEPS_LIST_list): Update reference to the second operand of the
8904 * rtl.h (alloc_DEPS_LIST): Update signature.
8905 * sched-int.h (ds_t): Change typedef to 'int'.
8906 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8908 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8910 * haifa-sched.c (try_ready): Change condition to restore
8911 non-speculative pattern of the instruction.
8912 (process_insn_depend_be_in_spec): Code to keep probability of the
8913 speculative dependence non-decreasing.
8915 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8917 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8918 (single_move_for_movmem): ... this. Also change all uses.
8919 (bfin_expand_strmov): Renamed to...
8920 (bfin_expand_movmem): ... this. Also change all uses.
8921 * config/bfin/bfin.md (movstrsi): Renamed to...
8922 (movstrsi): ...this.
8924 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8926 PR tree-optimization/26830
8928 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8929 (copy_prop_visit_stmt): Remove write-only variable ann.
8930 (init_copy_prop): Check variable loop depth here. Do not simulate
8931 memory-tag and virtual operand PHIs except for store copy prop.
8933 2006-03-30 Richard Guenther <rguenther@suse.de>
8935 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8936 variants with double arguments.
8938 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8940 * genpreds.c (write_tm_constrs_h): Delete variable p.
8941 * genconditions.c (write_header): Add tm-constrs.h to included
8943 * genpeep.c (main): Add toplev.h to included headers.
8944 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8945 (build/genpeep.o): Add toplev.h dependency.
8946 * config/rs6000/constraints.md: Add "W" constraint.
8948 2006-03-29 Roger Sayle <roger@eyesopen.com>
8950 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8951 sizes by correctly testing whether the size fits a host integer.
8952 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8953 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8954 SImode range for the default sizetype and bitsizetype.
8956 2006-03-29 Roger Sayle <roger@eyesopen.com>
8958 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8959 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8960 quickly if the argument is already of the correct type.
8961 Call fold_build1 instead of build1. Tidy up blank lines.
8963 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8965 * genemit.c (main): Add tm-constrs.h to included headers.
8966 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8967 * genpeep.c (main): Add tm-constrs.h to included headers.
8968 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8969 (write_tm_constrs_h): this and write complete file.
8970 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8971 (write_insn_preds_c): Add tm-constrs.h to included headers.
8972 (gen_constrs): New variable.
8973 (parse_option): Parse "-c".
8974 (main): Invoke write_tm_constrs_h.
8975 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8976 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8977 (object_out_file): Add tm-constrs.h dependency.
8978 (insn-emit.o): Same.
8979 (insn-output.o): Same.
8980 (insn-peep.o): Same.
8981 (insn-preds.o): Same.
8982 (insn-recog.o): Same.
8983 (tm-constsr.h): New target.
8984 (s-constrs-h): New target.
8986 * config/rs6000/constraints.md: New file.
8987 * config/rs6000/rs6000.c: Include tm-constrs.h.
8988 (num_insn_constant_wide): Convert to satisfies_constraint.
8989 (rs6000_rtx_costs): Convert to satisfies_constraint.
8990 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8991 (CONST_OK_FOR_LETTER_P): Delete.
8992 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8993 (EXTRA_CONSTRAINT): Delete.
8994 (EXTRA_MEMORY_CONSTRAINT): Delete.
8995 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8996 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8997 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8998 satisfies_constraint.
9000 * config/i386/i386.c: Include tm-constrs.h.
9002 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9004 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9005 * tree-data-ref.c (find_data_references_in_loop,
9006 compute_data_dependences_for_loop): Use pointers to VEC.
9007 (analyze_all_data_dependences): Adjust calls.
9008 * tree-data-ref.h (find_data_references_in_loop,
9009 compute_data_dependences_for_loop): Adjust declarations.
9010 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9011 compute_data_dependences_for_loop.
9013 2006-03-29 Paul Brook <paul@codesourcery.com>
9015 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9018 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9020 PR tree-optimization/26859
9021 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9023 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9024 for the step after fold_convert.
9026 2006-03-29 Paul Brook <paul@codesourcery.com>
9028 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9029 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9031 2006-03-29 Paul Brook <paul@codesourcery.com>
9034 * targhooks.c (default_narrow_bitfield): New fuction.
9035 * targhooks.h (default_narrow_bitfield): add prototype.
9036 * target.h (gcc_target): Add narrow_volatile_bitfield.
9037 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9038 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9039 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9040 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9042 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9044 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9046 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9047 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9048 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9049 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9050 (s390_function_arg_float): Allow SDmode and DDmode values to be
9051 passed in floating point registers.
9052 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9053 check with SCALAR_FLOAT_MODE_P.
9054 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9056 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9058 PR tree-optimization/25985
9059 * tree-ssa-loop-niter.c (number_of_iterations_le,
9060 number_of_iterations_ne): Make comments more precise.
9061 (number_of_iterations_cond): Add only_exit argument. Use the
9062 fact that signed variables do not overflow only when only_exit
9064 (loop_only_exit_p): New.
9065 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9066 number_of_iterations_cond.
9068 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9070 PR tree-optimization/26643
9071 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9074 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9076 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9077 (divsi3_i4_int): Likewise.
9079 2006-03-28 Roger Sayle <roger@eyesopen.com>
9081 * expr.c (emit_group_store): Only create a new pseudo reg if the
9082 quantity it needs to hold isn't already a suitable pseudo.
9084 2006-03-28 Jeff Law <law@redhat.com>
9086 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9087 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9089 2006-03-28 Roger Sayle <roger@eyesopen.com>
9091 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9092 the equivalent ~X & Y, and the symmetry related transformations.
9093 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9094 ~X & Y, and symmetry related transforms.
9096 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9098 Revert my 2006-03-27 patches.
9100 2006-03-28 Roger Sayle <roger@eyesopen.com>
9102 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9103 ~(T1)X, when T1 and T2 are integer types of the same precision
9104 and (T2)X isn't an extension.
9106 2006-03-28 Jeff Law <law@redhat.com>
9108 PR tree-optimization/26796
9109 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9110 need EH edge cleanups rather than purging them immediately.
9111 (eliminate_degenerate_phis): Handle queued EH cleanups.
9113 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9115 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9118 2006-03-27 Roger Sayle <roger@eyesopen.com>
9121 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9122 cast BIT_NOT_EXPR operand to the correct type.
9124 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9126 * tree-loop-linear.c: Don't include varray.h.
9127 (gather_interchange_stats, try_interchange_loops,
9128 linear_transform_loops): Use VEC instead of VARRAY.
9129 * lambda-mat.c: Don't include varray.h.
9130 * tree-chrec.c: Same.
9131 * lambda-trans.c: Same.
9132 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9133 VEC instead of VARRAY.
9134 * tree-vectorizer.h: Idem.
9135 * tree-data-ref.c (dump_data_references,
9136 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9137 initialize_data_dependence_relation, finalize_ddr_dependent,
9138 compute_all_dependences, find_data_references_in_loop,
9139 compute_data_dependences_for_loop, analyze_all_data_dependences,
9140 free_dependence_relation, free_dependence_relations,
9141 free_data_refs): Idem.
9142 * tree-data-ref.h (data_reference_p, subscript_p): New.
9143 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9144 VEC instead of VARRAY.
9145 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9146 (find_data_references_in_loop, compute_data_dependences_for_loop,
9147 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9148 dump_data_dependence_relations, free_dependence_relations,
9149 free_data_refs): Adjust declaration.
9150 (lambda_transform_legal_p): Move declaration here...
9151 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9152 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9153 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9154 vect_analyze_data_refs): Use VEC instead of VARRAY.
9155 * lambda.h (lambda_transform_legal_p): ...from here.
9156 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9157 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9158 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9159 tree-chrec.o): Don't depend on VARRAY_H.
9161 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9163 * rtl.def (Copyright): Update date.
9164 (DEPS_LIST): Change type of the second operand to 'int'.
9165 * target.h (Copyright): Update date.
9166 (struct gcc_target.speculate_insn): Change type of the second parameter
9168 * lists.c (Copyright): Update date.
9169 (alloc_DEPS_LIST): Change signature. Update reference to the second
9170 operand of the DEPS_LIST.
9171 (copy_DEPS_LIST_list): Update reference to the second operand of the
9173 * rtl.h (Copyright): Update date.
9174 (alloc_DEPS_LIST): Update signature.
9175 * sched-int.h (Copyright): Update date.
9176 (ds_t): Change typedef to 'int'.
9177 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9179 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9181 * haifa-sched.c (Copyright): Update date.
9182 (try_ready): Change condition to restore non-speculative pattern
9184 (process_insn_depend_be_in_spec): Code to keep probability of the
9185 speculative dependence non-decreasing.
9187 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9189 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9190 shut up the compiler.
9192 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9194 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9195 to use lib prefix for target.
9196 ($(T)libic_invalidate_array_4-200.a): Likewise.
9197 ($(T)libic_invalidate_array_4a.a): Likewise.
9199 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9200 J"orn Rennecke <joern.rennecke@st.com>
9202 * superh.opt: New file.
9203 * sh.c (boardtype, osruntime): Remove.
9204 * superh.h (SUBTARGET_OPTIONS): Remove.
9205 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9207 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9208 arguments with ^ and/or [].
9210 * config.gcc (sh-*-*): Add quoting to account for quirk of
9212 Replace == with = in enable_incomplete_targets test.
9214 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9215 with MASK_LITTLE_ENDIAN.
9217 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9218 * config/sh/sh.opt: Added to some comments.
9219 * config/sh/superh.h: Removed some chaff.
9221 * config/sh/sh.opt: Add m4-[1234]00* options.
9222 * config/sh/sh.c (sh_handle_option): Likewise.
9223 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9224 (ic_invalidate_array_4-100.o): New rule.
9225 ($(T)libic_invalidate_array_4-100.a): Likewise.
9226 (ic_invalidate_array_4-200.o): Likewise.
9227 ($(T)libic_invalidate_array_4-200.a): Likewise.
9228 (ic_invalidate_array_4a.o): Likewise.
9229 ($(T)libic_invalidate_array_4a.a): Likewise.
9230 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9231 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9233 * config/sh/crt1.asm: Merged in profiling code.
9234 * config/sh/superh.h (STARTFILE_SPEC): Override.
9235 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9236 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9237 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9239 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9240 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9241 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9243 * sh.opt (mpretend-cmove): New option.
9244 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9245 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9246 (movsicc): Add TARGET_PRETEND_CMOVE code.
9248 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9250 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9251 s390_class_max_nregs): New function prototypes.
9252 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9253 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9254 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9255 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9257 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9259 * dwarf2out.c (add_location_or_const_value_attribute): Call
9260 tree_add_const_value_attribute if nothing else works.
9261 (reference_to_unused): New.
9262 (rtl_for_decl_init): Use reference_to_unused to decide whether
9263 to output an initializer.
9265 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9268 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9269 peephole removing spe frob_di_df_2.
9271 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9273 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9274 (subscript_dependence_tester_1): Declared.
9275 (print_dir_vectors, print_dist_vectors): New.
9276 (debug_data_dependence_relation): New.
9277 (dump_data_dependence_relation): Print more details.
9278 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9279 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9280 (save_dist_v, save_dir_v, add_outer_distances,
9281 build_classic_dist_vector_1): New.
9282 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9283 Don't test for lambda_vector_lexico_pos.
9284 (same_access_functions, add_multivariate_self_dist,
9285 add_other_self_distances, dir_from_dist): New.
9286 (build_classic_dir_vector): Replace implementation almost identical to
9287 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9289 (subscript_dependence_tester_1): New.
9290 (subscript_dependence_tester): Handle the lexicographically negative
9291 distance vectors by recomputing the dependence relation.
9292 (compute_affine_dependence): Remove parameter loop_nest_depth.
9293 (compute_self_dependence): Don't call compute_subscript_distance.
9294 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9295 Add a parameter for the loop_nest.
9296 (find_loop_nest_1, find_loop_nest): New.
9297 (compute_data_dependences_for_loop): Compute the loop nest, and give
9298 up if the nest is not well formed.
9299 * tree-data-ref.h (loop_p): New.
9300 (struct data_dependence_relation): Replace size_vect field with
9301 loop_nest, a vec of loops.
9302 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9303 (DDR_LOOP_NEST): New.
9304 (print_dir_vectors, print_dist_vectors,
9305 debug_data_dependence_relation): Declared.
9306 (index_in_loop_nest): New.
9307 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9308 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9311 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9313 * simplify-rtx.c (simplify_relational_operation): Call
9314 simplify_relational_operation_1 even if mode is VOIDmode.
9316 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9318 PR tree-optimization/26804
9319 * tree.h (DECL_CALL_CLOBBERED): New macro.
9320 (tree_decl_common): Add call_clobbered_flag.
9321 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9322 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9323 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9324 (mark_non_addressable): Ditto.
9325 * tree-ssa.c (verify_call_clobbered): New function.
9326 (verify_alias_info): Use it.
9327 * tree-pass.h (pass_reset_cc_flags): New prototype.
9328 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9329 (reset_cc_flags): New function.
9330 * passes.c (init_optimization_passes): Call reset_cc_flags after
9331 initializing referenced_vars.
9333 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9334 Roger Sayle <roger@eyesopen.com>
9337 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9338 to 1.0 for non-real operands. Implement A / A optimization for
9341 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9343 * config/i386/i386.c (size_cost): Correct the comment for
9344 cost of storing fp registers.
9345 (i386_cost): Likewise.
9346 (i486_cost): Likewise.
9347 (pentium_cost): Likewise.
9348 (pentiumpro_cost): Likewise.
9349 (k6_cost): Likewise.
9350 (athlon_cost): Likewise.
9351 (k8_cost): Likewise.
9352 (pentium4_cost): Likewise.
9353 (nocona_cost): Likewise.
9354 (generic64_cost): Likewise.
9355 (generic32_cost): Likewise.
9357 2006-03-24 Denis Chertykov <denisc@overta.ru>
9359 * config/avr/avr-protos.h (extra_constraint): Delete.
9360 (extra_constraint_Q): New declaration.
9361 * config/avr/constraints.md: New file.
9362 * config/avr/avr.md: Include it.
9363 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9364 (TMP_REGNO, ZERO_REGNO): Likewise.
9365 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9366 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9367 (extra_constraint): Delete.
9368 (extra_constraint_Q): Test for memory constraint 'Q'.
9369 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9370 (REG_CLASS_FROM_LETTER): Delete.
9371 (CONST_OK_FOR_LETTER_P): Delete.
9372 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9373 (EXTRA_CONSTRAINT): Delete.
9374 (TMP_REGNO): Delete.
9375 (ZERO_REGNO): Delete.
9377 2006-03-24 Jeff Law <law@redhat.com>
9379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9380 directly. Call mark_new_vars_to_rename slightly earlier.
9382 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9384 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9386 (gen_compile_unit_die): Use new language types for Objective-C and
9388 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9389 DW_LANG_C_plus_plus.
9392 * config/t-darwin (crt3.o): Work around bug 26840.
9393 * config/darwin-crt3.c: Rewrite.
9394 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9396 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9398 * doc/invoke.texi: Document -femit-class-debug-always
9399 * common.opt: Add -femit-class-debug-always.
9401 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9403 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9404 index and base register.
9405 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9406 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9407 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9408 REGNO_OK_FOR_INDEX_P.
9409 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9411 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9412 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9413 REG_OK_FOR_BASE_P): Definitions removed.
9415 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9418 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9419 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9420 set yet or weren't marked as local yet.
9422 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9424 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9427 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9429 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9430 (rs6000_legitimate_small_data_p): Delete.
9431 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9432 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9433 and make static. Add forward declaration. Update uses.
9434 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9435 of offsettable_memref_p.
9436 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9437 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9439 2006-03-24 Jeff Law <law@redhat.com>
9441 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9442 around bug in immediate-use iterator.
9444 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9447 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9448 or __LITTLE_ENDIAN__.
9450 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9452 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9453 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9454 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9455 * config/sh/sh.opt (mdiv=): Amend description.
9456 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9457 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9458 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9459 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9460 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9461 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9462 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9463 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9464 TARGET_DIVIDE_CALL_FP.
9466 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9468 * haifa-sched.c (choose_ready): Fix type of the local variable.
9469 Move local variables. Add comment.
9470 (check_reg_live): Change signature. Make callable from debugger.
9471 * sched-int.h (check_reg_live): Update signature.
9472 * sched-ebb.c (check_reg_live): Update parameters.
9473 * sched-rgn.c (check_reg_live): Ditto.
9474 (region_head_or_leaf_p): Check pointer before dereferencing.
9475 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9476 before reload on optimization levels below 1.
9478 2006-03-23 Richard Henderson <rth@redhat.com>
9480 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9484 * config/alpha/predicates.md (local_symbolic_operand): Reject
9487 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9490 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9491 expressions which have overflowed constants.
9493 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9495 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9497 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9499 * cfgloopmanip.c (create_loop_notes): Removed.
9500 * final.c (final_scan_insn): Do not handle loop notes.
9501 * jump.c (squeeze_notes): Ditto.
9502 * cfglayout.c (skip_insns_after_block,
9503 duplicate_insn_chain): Ditto.
9504 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9506 * cfgloop.h (create_loop_notes): Declaration removed.
9508 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9510 * varasm.c (output_constant_pool): Restore fnname and fndecl
9512 (assemble_start_function): Adjust call accordingly.
9513 (assemble_end_function): Likewise.
9515 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9518 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9521 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9523 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9526 * system.h (ICE_EXIT_CODE): New macro.
9527 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9528 (diagnostic_action_after_output): Likewise.
9529 * gcc.c (fatal_ice): New function.
9530 (execute): Use it instead of fatal.
9531 (fancy_abort): Likewise.
9532 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9534 2006-03-22 Jeff Law <law@redhat.com>
9536 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9537 iv_analyze_result returning false.
9539 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9541 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9543 2006-03-22 Richard Henderson <rth@redhat.com>
9546 * except.c (duplicate_eh_regions_0): New.
9547 (duplicate_eh_region_1): Duplicate the children of the node as
9548 well as the node itself. Link them up properly.
9549 (duplicate_eh_region_2): Merge into ...
9550 (duplicate_eh_regions): ... here. Take copy_region argument, and
9551 copy only a sub-tree if asked. Simplify copying and fixup.
9552 (eh_region_outer_p): New.
9553 * except.h (duplicate_eh_regions): Update decl.
9554 (eh_region_outer_p): Declare.
9555 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9556 (lower_omp_master): Likewise.
9557 (lower_omp_ordered): Likewise.
9558 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9559 (move_stmt_r): Use it to remap labels. Handle recursion vs
9560 remap_decls_p properly.
9561 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9562 (find_outermost_region_in_block): New.
9563 (new_label_mapper): New.
9564 (move_sese_region_to_fn): Copy eh information to the new function
9566 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9568 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9571 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9573 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9574 into shared libraries.
9576 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9578 * doc/md.texi: Refer to i386/constraints.md instead of
9580 * config/i386/constraints.md: New file, extracted from...
9581 * config/i386/predicates.md: ...here.
9582 * config/i386/i386.md: Include constraints.md.
9584 2006-03-21 Jason Merrill <jason@redhat.com>
9586 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9589 * expr.c (init_block_move_fn): Force default visibility.
9590 (init_block_clear_fn): Likewise.
9591 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9592 * targhooks.c (default_external_stack_protect_fail): Likewise.
9594 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9596 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9597 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9598 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9599 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9600 (loadgp): Use mips_current_loadgp_style.
9601 (loadgp_noshared): New pattern.
9602 (sibcall_internal): Use MIPS_CALL.
9603 (sibcall_value_internal): Likewise.
9604 (sibcall_value_multiple_internal): Likewise.
9605 (call_internal): Likewise.
9606 (call_value_internal): Likewise.
9607 (call_value_multiple_internal): Likewise.
9608 (call_split): Use MIPS_CALL and add an 'S' constraint.
9609 (call_value_split): Likewise.
9610 (call_value_multiple_split): Likewise.
9611 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9612 (-mshared): New option.
9613 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9614 (mips_current_loadgp_style): Declare.
9615 * config/mips/mips.c (mips_classify_symbol): Avoid using
9616 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9617 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9618 TARGET_ABSOLUTE_ABICALLS.
9619 (override_options): Adjust comments. Improve the warning that is
9620 issued when -mabicalls and -G are used together.
9621 (mips_file_start): Remove comment.
9622 (mips_current_loadgp_style): New function.
9623 (mips_gnu_local_gp): New variable.
9624 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9626 (mips_output_function_prologue): Use mips_current_laodgp_style.
9627 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9628 the cprestore instruction.
9629 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9630 live for TARGET_ABSOLUTE_ABICALLS.
9631 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9632 (ASM_SPEC): Pass down -mshared and -mno-shared.
9633 (MIPS_CALL): New macro.
9634 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9636 * doc/invoke.texi (-mabicalls): Update documentation.
9637 (-mshared): Document.
9639 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9641 * config/ia64/unwind-hpux.c: New file.
9642 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9644 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9647 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9649 2006-03-21 Jeff Law <law@redhat.com>
9651 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9652 type conversions of a VR_VARYING source to a wider type.
9654 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9656 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9657 tm_file on Solaris 10 and later.
9658 (sparc64-*-solaris2*): Likewise.
9659 (sparc-*-solaris2*): Likewise.
9660 * config/sol26.h: Rename to config/sol2-6.h.
9661 * config/sol2-10.h: New file.
9663 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9666 * tree-ssa-pre.c (create_component_ref_by_pieces):
9669 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9672 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9673 return it immediately.
9675 2006-03-21 Michael Matz <matz@suse.de>
9677 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9679 (remove_arc, add_arc): Update num_out_arcs member.
9680 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9682 (cache_presence): New function.
9683 (compare_states_for_equiv): New function.
9684 (state_is_differed): Don't take number of outargs, adjust callers.
9685 Use new invariant for speeding up.
9686 (init_equiv_class): Create initial classes based on sorted
9688 (partition_equiv_class): Don't track out_arcs_num.
9689 (evaluate_equiv_classes): Call cache_presence on all states and
9692 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9694 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9695 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9696 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9697 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9699 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9700 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9701 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9702 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9703 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9705 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9706 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9707 (REGNO_REG_CLASS): ARGP is in PREGS.
9708 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9710 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9711 to deal with those addresses.
9712 * addresses.h: New file.
9713 * caller-save.c: Include "addresses.h".
9714 (init_caller_save): Use new base_reg_class function.
9715 * rtl-factoring.c: Include "addresses.h".
9716 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9717 * recog.c: Include "addresses.h".
9718 (preprocess_constraints): Use new base_reg_class function.
9719 * regrename.c: Include "addresses.h".
9720 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9721 functions. Keep track of a new var INDEX_CODE to compute valid
9723 (replace_oldest_value_addr): Likewise.
9724 (replace_oldest_value_mem): Use base_reg_class.
9725 * reload.c: Include "addresses.h".
9726 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9727 (find_reloads): Use new base_reg_class function.
9728 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9729 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9730 all callers and prototype changed.
9731 * reload1.c: Include "addresses.h".
9732 (maybe_fix_stack_asms): Use base_reg_class.
9733 * regclass.c: Include "addresses.h".
9734 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9735 (init_reg_autoinc): Use new base_reg_class function.
9736 (record_reg_classes): Likewise.
9737 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9738 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9739 Use new args to compute necessary class.
9741 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9742 regrename.o, rtl-factoring.o): Update dependencies.
9743 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9744 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9745 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9746 REG_OK_FOR_INDEX_P): Delete documentation.
9748 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9750 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9751 from V7 to V9 for Solaris 7 and above.
9753 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9755 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9756 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9757 argument pointers may not alias any other storage.
9758 * common.opt: Define option -fargument-noalias-anything.
9759 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9760 alias semantics is specified by flag_argument_noalias > 2.
9762 2006-03-20 Jeff Law <law@redhat.com>
9764 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9765 (pass_phi_only_cprop): Declare.
9766 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9768 * tree-ssa-dom.c (degenerate_phi_result): New function.
9769 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9770 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9771 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9772 (eliminate_degenerate_phis): Likewise.
9773 (pass_phi_only_cprop): New pass descriptor.
9774 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9775 support code. Callers updated.
9776 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9777 (store_copy_prop): Likewise.
9778 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9780 2006-03-20 Jason Merrill <jason@redhat.com>
9783 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9784 (push_visibility, pop_visibility): Likewise.
9785 * c-pragma.h: Declare them.
9787 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9789 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9791 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9792 parameter and use get_ebb_head_tail.
9793 (sh_md_init_global): Adjust uses of find_regmode_weight.
9795 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9797 * function.h (struct function) <x_tail_recursion_reentry>:
9798 Rename to x_stack_check_probe_note.
9799 (tail_recursion_reentry): Rename to stack_check_probe_note.
9800 * function.c: Replace tail_recursion_reentry with
9801 stack_check_probe_note everywhere.
9802 (expand_function_start): Only emit a note for
9803 stack_check_probe_note with -fstack-protect.
9804 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9806 * emit-rtl.c (remove_unnecessary_notes): Remove.
9807 (pass_remove_unnecessary_notes): Remove.
9808 * rtl.h (remove_unnecessary_notes): Remove prototype.
9809 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9810 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9811 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9813 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9816 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9817 (valid_in_set): Handle ARRAY_REF.
9818 Change "if min_variant or VH" to asserts.
9819 (create_component_ref_by_pieces): Handle ARRAY_REF.
9820 (create_expression_by_pieces): Likewise.
9821 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9823 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9825 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9826 is operand of switch, not str[0].
9828 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9830 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9831 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9833 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9835 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9836 end of insn_extra_address_constraint declaration.
9838 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9840 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9841 (no-sum-in-toc): Same.
9842 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9844 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9845 NO_FP_IN_TOC for -fPIC instead of mask.
9847 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9848 (BOOT_LDFLAGS): Delete.
9850 * config/rs6000/t-aix52: Same.
9852 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9853 (stmsi[345678]_power): New.
9855 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9857 * config/ia64/ia64.opt: Add empty line to end of file.
9859 2006-03-17 Richard Guenther <rguenther@suse.de>
9862 * builtins.c (get_pointer_alignment): For component style references
9863 adjust alignment to the component type alignment. Make sure
9864 to adjust alignment for component access of constants.
9866 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9868 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9871 2006-03-17 Paul Brook <paul@codesourcery.com>
9873 * doc/install.texi: Docuemnt --with-mode.
9874 * config.gcc: Add --with-mode for arm*-*-*.
9875 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9877 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9879 * sh.c (max_labelno_before_reorg): New variable.
9880 (sh_reorg): Initialize it.
9881 (find_barrier): Check max_labelno_before_reorg before using
9882 label_to_alignment. Take length of explicit alignment insns
9883 into account. When seeing a UNSPECV_CONST_END, return it.
9885 * sh.c (fixup_mova): Set mode of affected label to QImode.
9886 (untangle_mova): New function.
9887 (find_barrier): Use it. Check mode of label before decrementing
9889 (sh_reorg): Likewise.
9890 Set mode of all insns back to VOIDmode.
9892 * sh.c (MOVA_LABELREF): New macro.
9893 (mova_p, fixup_mova, sh_reorg): Use it.
9894 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9895 ADDR_DIFF_VEC matches mova.
9897 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9899 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9900 with ATTRIBUTE_UNUSED.
9902 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9904 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9905 pointer, instead of assuming it is possible to derive the
9906 correct args size from a call insn.
9908 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9910 * rtl.h (CONST_INT_P): Define.
9911 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9912 instead of GET_CODE(x) == CONST_INT.
9913 (vax_rtx_costs): Likewise.
9914 (vax_output_int_move): Likewise.
9915 (vax_output_int_add): Likewise.
9916 (legitimate_constant_address_p): Likewise.
9917 (index_term_p): Likewise.
9918 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9919 * config/vax/vax.md (and<mode>3): Likewise.
9920 (ashrsi3): Likewise.
9922 (movstricthi): Likewise.
9923 (movstrictqi): Likewise.
9924 (rotrsi3): Likewise.
9925 (five unnamed insns): Likewise.
9927 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9929 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9930 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9931 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9932 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9933 Pass to ASM_OUTPUT_DWARF_OFFSET.
9934 * dwarf2out.c (debug_frame_section): New.
9935 (output_call_frame_info): Use debug_frame_section. Pass it to
9936 dw2_asm_output_offset.
9937 (output_die): Pass appropriate section to dw2_asm_output_offset.
9938 (output_compilation_unit_header): Likewise.
9939 (output_pubnames): Likewise.
9940 (output_aranges): Likewise.
9941 (enum dw_val_class): Break dw_val_class_lbl_offset into
9942 dw_val_class_lineptr and dw_val_class_macptr.
9943 (add_AT_lbl_offset): Delete.
9944 (add_AT_lineptr): New.
9945 (add_AT_macptr): New.
9946 (AT_lbl): Expect a lineptr or macptr.
9947 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9948 (attr_checksum): Likewise.
9949 (same_dw_val_p): Likewise.
9950 (size_of_die): Likewise.
9951 (value_format): Likewise.
9952 (output_die): Likewise.
9953 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9955 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9956 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9957 * config/darwin-protos.h (darwin_file_start): New.
9958 (darwin_asm_output_dwarf_offset): New.
9959 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9960 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9962 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9963 if not EH section; simplify.
9964 (darwin_file_start): New.
9965 (darwin_asm_output_dwarf_offset): New.
9966 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9968 (DEBUG_INFO_SECTION): Likewise.
9969 (DEBUG_ABBREV_SECTION): Likewise.
9970 (DEBUG_ARANGES_SECTION): Likewise.
9971 (DEBUG_MACINFO_SECTION): Likewise.
9972 (DEBUG_LINE_SECTION): Likewise.
9973 (DEBUG_LOC_SECTION): Likewise.
9974 (DEBUG_PUBNAMES_SECTION): Likewise.
9975 (DEBUG_STR_SECTION): Likewise.
9976 (DEBUG_RANGES_SECTION): Likewise.
9977 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9978 (ASM_OUTPUT_DWARF_OFFSET): New.
9980 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9982 * config.gcc (tm_defines): Always add to previous value rather
9985 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9987 * config/mips/predicates.md (splittable_const_int_operand): New,
9988 split from move_operand.
9989 (splittable_symbolic_operand): New.
9990 (move_operand): Add commentary. Use splittable_const_int_operand.
9991 Inline mips_atomic_symbolic_constant_p.
9992 * config/mips/mips.md: Add combine splitters for handling moves
9993 of splittable_const_int_operands and splittable_symbolic_operands.
9994 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9995 (mips_split_symbol): Declare.
9996 (mips_move_integer): Declare.
9997 * config/mips/mips.c (mips_split_p): Make global.
9998 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9999 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10000 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10001 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10002 (mips_offset_within_object_p): Handle block symbols.
10003 (mips_atomic_symbolic_constant_p): Delete.
10004 (mips_cannot_force_const_mem): Return false for constants that
10005 mips_legitimize_move can handle.
10006 (mips_use_blocks_for_constant_p): New function.
10007 (mips_split_symbol): Make global.
10008 (mips_move_integer): Likewise. Add a temporary register argument.
10009 (mips_legitimize_const_move): Use splittable_const_int_operand and
10010 splittable_symbolic_operand.
10011 (mips_use_anchors_for_symbol_p): New function.
10012 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10013 (mips_split_p): Declare.
10015 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10017 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10018 (mips*-*-linux*): Likewise.
10020 2006-03-16 Roger Sayle <roger@eyesopen.com>
10021 Daniel Speyer <dspeyer@wam.umd.edu>
10023 PR middle-end/18259
10024 * tree-dump.c (dump_real): New function.
10025 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10026 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10027 (tree-dump.o): Add $(REAL_H) to the dependencies.
10029 2006-03-16 Roger Sayle <roger@eyesopen.com>
10031 PR middle-end/21781
10032 * real.c (real_from_string): If the mantissa is zero, don't bother
10033 parsing the exponent as the result should always be zero.
10035 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10037 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10039 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10041 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10042 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10043 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10044 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10045 ia64_sched_finish_global): New static functions to implement
10046 hooks from gcc_target.sched.
10047 (spec_check_no, max_uid, pending_data_specs): New static variables.
10048 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10049 ia64_spec_check_src_p): New static functions.
10050 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10051 (TARGET_SCHED_ADJUST_COST): Removed.
10052 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10053 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10054 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10055 TARGET_SCHED_GEN_CHECK,
10056 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10057 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10058 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10059 Fixed to handle speculation checks.
10060 (rtx_needs_barrier): Fixed to handle speculative loads and
10062 (ia64_variable_issue): Added code to count speculative loads and their
10064 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10066 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10068 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10070 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10071 (ia64_reorg): Reset stops_p to NULL after it is freed.
10072 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10073 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10074 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10076 (data_speculative, control_speculative, check_load): New attributes.
10077 (mov<mode>_advanced, mov<mode>_speculative,
10078 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10079 zero_extend<mode>di2_speculative,
10080 zero_extend<mode>di2_speculative_advanced): New patterns for
10081 data and control speculative loads.
10082 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10084 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10085 New pattern for data and control speculation checks.
10086 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10087 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10088 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10089 Auxiliary definitions for the patterns.
10090 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10091 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10093 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10095 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10096 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10097 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10098 New resource constraints.
10099 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10101 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10102 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10103 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10104 msched-in-control-spec, msched-ldc, msched-control-ldc,
10105 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10106 msched-prefer-non-control-spec-insns,
10107 msched-count-spec-in-critical-path): New flags to tune speculative
10109 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10110 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10111 msched-in-control-spec, msched-ldc, msched-control-ldc,
10112 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10113 msched-prefer-non-control-spec-insns,
10114 msched-count-spec-in-critical-path): Document new flags.
10116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10118 * target.h (struct spec_info_def): New opaque declaration.
10119 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10120 speculate_insn, needs_block_p, gen_check,
10121 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10122 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10123 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10124 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10125 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10126 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10128 (TARGET_SCHED): Use new macros.
10129 * rtl.h (copy_DEPS_LIST_list): New prototype.
10130 * sched-int.h (struct sched_info): Change signature of new_ready field,
10131 adjust all initializations. New fields: add_remove_insn,
10132 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10133 region_head_or_leaf_p.
10134 (struct spec_info_def): New structure declaration.
10135 (spec_info_t): New typedef.
10136 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10137 recovery_block, orig_pat.
10138 (glat_start, glat_end): New variables declaraions.
10139 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10141 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10142 DETACH_LIFE_INFO, USE_GLAT.
10143 (enum SPEC_SCHED_FLAGS): New enumeration.
10144 (NOTE_NOTE_BB_P): New macro.
10145 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10146 attach_life_info, debug_spec_status, check_reg_live): New functions.
10147 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10148 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10150 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10151 * ddg.c (get_block_head_tail): Adjust all uses.
10152 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10153 (sms_sched_info): Initialize new fields.
10154 (contributes_to_priority): Removed.
10155 * haifa-sched.c (params.h): New include.
10156 (get_block_head_tail): Adjust all uses.
10157 (ISSUE_POINTS): New macro.
10158 (glat_start, glat_end): New global variables.
10159 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10160 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10161 old_last_basic_block, before_recovery, current_sched_info_var,
10162 rgn_n_insns, luid): New static variables.
10163 (insn_cost1): New function. Move logic from insn_cost to here.
10164 (find_insn_reg_weight1): New function. Move logic from
10165 find_insn_reg_weight to here.
10166 (reemit_notes, move_insn, max_issue): Change signature.
10167 (move_insn1): Removed.
10168 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10169 extend_bb): New static functions to support extension of scheduler's
10171 (generate_recovery_code, process_insn_depend_be_in_spec,
10172 begin_speculative_block, add_to_speculative_block,
10173 init_before_recovery, create_recovery_block, create_check_block_twin,
10174 fix_recovery_deps): New static functions to support
10175 generation of recovery code.
10176 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10177 restore_bb_notes, move_block_after_check, move_succs): New static
10178 functions to support ebb scheduling.
10179 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10180 functions to support handling of register live information.
10181 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10182 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10183 add_jump_dependencies): New static functions.
10184 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10185 consistancy checking.
10186 (debug_spec_status): New function to call from debugger.
10187 (priority): Added code to handle speculation checks.
10188 (rank_for_schedule): Added code to distinguish speculative instructions.
10189 (schedule_insn): Added code to handle speculation checks.
10190 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10191 Fixed to handle ebbs.
10192 (move_insn): Added code to handle ebb scheduling.
10193 (max_issue): Added code to use ISSUE_POINTS of instructions.
10194 (choose_ready): Added code to choose between speculative and
10195 non-speculative instructions.
10196 (schedule_block): Added code to handle ebb scheduling and scheduling of
10197 speculative instructions.
10198 (sched_init): Initialize new variables.
10199 (sched_finish): Free new variables. Print statistics.
10200 (try_ready): Added code to handle speculative instructions.
10201 * lists.c (copy_DEPS_LIST_list): New function.
10202 * sched-deps.c (extend_dependency_caches): New function. Move logic
10203 from create_dependency_caches to here.
10204 (get_dep_weak, ds_merge): Make global.
10205 * genattr.c (main): Code to output prototype for
10206 dfa_clear_single_insn_cache.
10207 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10208 (output_dfa_clean_insn_cache_func): Code to output
10209 dfa_clear_single_insn_cache function.
10210 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10212 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10214 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10215 New static variables.
10216 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10217 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10219 (ebb_sched_info): Initialize new fields.
10220 (get_block_head_tail): Adjust all uses.
10221 (compute_jump_reg_dependencies): Fixed to use glat_start.
10222 (schedule_ebb): Code to remove unreachable last block.
10223 (schedule_ebbs): Added code to update register live information.
10224 * sched-rgn.c (region_sched_info): Initialize new fields.
10225 (get_block_head_tail): Adjust all uses.
10226 (last_was_jump): Removed. Adjust users.
10227 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10228 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10229 Implement new hooks.
10230 (check_dead_notes1): New static function.
10231 (struct region): New fields: dont_calc_deps, has_real_ebb.
10232 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10233 (BB_TO_BLOCK): Fixed to handle EBBs.
10234 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10235 (ebb_head): New static variable.
10236 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10237 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10239 (compute_dom_prob_ps): New assertion.
10240 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10241 global_live_at_start.
10242 (init_ready_list): New assertions.
10243 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10244 (new_ready): Add support for BEGIN_CONTROL speculation.
10245 (schedule_insns): Fixed code that updates register live information
10247 (schedule_region): Fixed to handle EBBs.
10248 (init_regions): Use extend_regions and check_dead_notes1.
10249 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10250 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10251 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10252 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10253 TARGET_SCHED_GEN_CHECK,
10254 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10255 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10256 * doc/invoke.texi (max-sched-insn-conflict-delay,
10257 sched-spec-prob-cutoff): Document.
10259 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10261 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10262 inter_tick, queue_index.
10263 (struct sched_info): Change signature of init_ready_list field.
10264 Adjust all initializations.
10265 (RESOLVED_DEPS): New access macro.
10266 (ready_add): Remove prototype.
10267 (try_ready): Add prototype.
10268 * sched-rgn.c (init_ready_list): Use try_ready.
10269 (schedule_region): Initialize
10270 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10271 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10272 (init_ready_list): Use try_ready.
10273 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10274 * lists.c (remove_list_elem): Remove `static'.
10275 (remove_free_INSN_LIST_elem): New function.
10276 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10277 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10278 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10280 (readyp): New variable.
10281 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10282 change_queue_index, resolve_dep): New static functions.
10283 (try_ready): New function. Adjust callers in sched-rgn.c and
10284 sched-ebb.c to use it instead of ready_add.
10285 (clock_var): Move at the begining of file.
10286 (rank_for_schedule): Fix typo.
10287 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10288 (ready_lastpos): Enforce assertion.
10289 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10290 update all callers.
10291 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10292 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10293 (queue_to_ready): Use free_INSN_LIST_list.
10294 (early_queue_to_ready): Fix typo.
10295 (schedule_block): Init readyp. Move init_ready_list call after the
10296 initialization of clock_var. Fix error in rejecting insn by
10297 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10298 that previously corrected INSN_TICKs. Add code for handling
10300 (set_priorities): Fix typo.
10301 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10302 Clarify comment and code that keeps current_sched_info->next_tail
10305 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10307 * sched-rgn.c (extend_rgns): New static function.
10308 (find_rgns): Use it.
10309 (gather_region_statistics, print_region_statistics): New static
10311 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10312 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10314 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10315 Andrey Belevantsev <abel@ispras.ru>
10317 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10318 * lists.c (unused_deps_list): New variable.
10319 (free_list): Add assertions to verify the proper distinguishing
10320 between INSN_LISTs and DEPS_LISTs.
10321 (find_list_elem, remove_list_elem, remove_list_node): New static
10323 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10324 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10325 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10326 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10328 (free_INSN_LIST_node): Likewise.
10329 * modulo-sched.c (current_sched_info): Initialize flags field.
10330 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10331 * rtl.def (DEPS_LIST): Define.
10332 * rtl.h: Declare new functions from lists.c.
10333 * sched-deps.c (spec_dependency_cache): New static variable.
10334 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10335 (add_dependence): Change return type to void. Move the logic to ...
10336 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10337 (delete_all_dependences): Add comment about forward_dependency_cache.
10338 Handle spec_dependency_cache. Handle DEPS_LISTs.
10339 (fixup_sched_groups): Clarify the change of priority of output
10340 and anti dependencies.
10341 (sched_analyze_2): Adjust add_dependence calls to create data
10342 speculative dependence.
10343 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10344 Adjust all callers. Handle DEPS_LISTS.
10345 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10346 presence of speculation.
10347 (init_dependency_caches, free_dependency_caches):
10348 Handle spec_dependency_cache.
10349 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10350 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10351 New static functions.
10352 (add_or_update_back_dep, add_or_update_back_forw_dep,
10353 add_back_forw_dep, delete_back_forw_dep): New functions.
10354 * sched-int.h (ds_t, dw_t): New typedefs.
10355 (struct sched_info): Add new field flags.
10356 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10357 Prototype new sched-deps.c functions.
10358 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10359 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10360 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10361 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10362 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10363 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10365 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10367 * sched-rgn.c (current_sched_info): Initialize flags field.
10368 (schedule_insns): Initialize current_sched_info before the sched_init
10370 * sched-ebb.c (current_sched_info): Initialize flags field.
10371 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10372 Call add_or_update_back_dep instead of add_dependence.
10373 Create control speculative dependencies.
10374 (schedule_insns): Initialize current_sched_info before the sched_init
10377 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10379 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10381 (sh_fallback_frame_state): Likewise.
10383 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10385 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10386 Do switch on default_use_cxa_atexit.
10387 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10388 * config/darwin-crt3.o: New.
10389 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10390 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10391 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10393 * config/rs6000/t-darwin: Move crt2.o building to here.
10394 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10395 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10398 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10400 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10401 from '! xxx' to '!xxx' for coding-style conformance.
10402 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10403 (EXTRA_CONSTRAINT): Likewise.
10404 * config/vax/vax.md (four unnamed insns): Likewise.
10406 2006-03-15 Paul Brook <paul@codesourcery.com>
10408 * config/arm/arm.c (minipool_pad): New.
10409 (add_minipool_forward_ref): Include pool alignment padding in address
10411 (push_minipool_fix): Set minipool_pad.
10412 (minipool_pad): Ditto.
10414 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10416 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10417 instead of GET_CODE() == MEM and REG_P() instead of
10419 (print_operand_address): Likewise.
10420 (vax_address_cost): Likewise.
10421 (vax_rtx_costs): Likewise.
10422 (vax_notice_update_cc): Likewise.
10423 (vax_output_int_add): Likewise.
10424 (INDEX_REGISTER_P): Likewise.
10425 (BASE_REGISTER_P): Likewise.
10426 (nonindexed_address_p): Likewise.
10427 (vax_mode_dependent_address_p): Likewise.
10428 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10429 (PRINT_OPERAND): Likewise.
10430 * config/vax/vax.md (ashlsi3): Likewise.
10431 (ashlsi3): Likewise.
10432 (some more unnamed insns): Likewise.
10434 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10436 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10437 iterator-style macro.
10438 (mark_control_dependent_edges_necessary): Update the use of
10439 EXECUTE_IF_CONTROL_DEPENDENT.
10441 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10443 * config/sh/predicates.md (cache_address_operand): Special.
10444 (ua_address_operand): Likewise.
10446 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10448 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10450 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10452 2006-03-15 Andreas Schwab <schwab@suse.de>
10454 * gensupport.c (identify_predicable_attribute): Don't free p_false
10455 when it is still in use.
10457 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10459 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10460 the default setting here.
10462 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10464 * tree-pass.h (pass_cfg): Remove.
10465 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10466 * passes.c (pass_cfg): Don't run it.
10468 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10470 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10471 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10473 (stack_regs_mentioned): Update the uses of
10474 stack_regs_mentioned_data. Don't access the array beyond its
10476 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10477 Don't include gt-reg-stack.h.
10479 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10480 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10482 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10484 PR middle-end/26684
10485 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10488 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10490 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10492 2006-03-14 Richard Guenther <rguenther@suse.de>
10494 PR tree-optimization/26672
10495 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10498 2006-03-14 Richard Guenther <rguenther@suse.de>
10500 PR tree-optimization/26667
10501 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10502 node for the callees. Always allow inlining if it will shrink
10505 2006-03-14 Richard Guenther <rguenther@suse.de>
10507 PR middle-end/26659
10508 * builtins.c (get_pointer_alignment): Prefer alignment
10509 information from decls over that from types.
10511 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10514 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10516 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10518 * config/rs6000/rs6000.opt (mdlmzb): New option.
10519 (msched-prolog, msched-epilog): Use Var not Mask.
10520 * doc/invoke.texi (-mdlmzb): Document.
10521 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10523 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10524 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10526 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10528 PR rtl-optimization/25739
10529 * bt-load.c (augment_live_range): Free tos pointer.
10531 * gensupport.c (identify_predicable_attribute): Free
10533 * gcov.c (create_file_names): Free name pointer.
10535 2006-03-13 Roger Sayle <roger@eyesopen.com>
10537 PR middle-end/26557
10538 * stmt.c (emit_case_nodes): Handle the case where the index is a
10539 CONST_INT, where the comparison mode is specified by the index type.
10541 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10543 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10546 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10548 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10549 (*branch_fp_inverted): Likewise.
10551 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10553 PR middle-end/25989
10554 * omp-low.c (expand_omp_for_generic): Mark istart0
10555 and iend0 as addressable.
10557 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10559 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10561 2006-03-13 Jeff Law <law@redhat.com>
10563 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10564 virtual operands are interesting.
10565 (vrp_visit_stmt): Corresponding changes.
10567 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10569 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10571 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10572 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10573 * config/bfin/crti.S: Use it instead of __PIC__.
10574 * config/bfin/crtn.S: Likewise.
10576 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10577 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10579 Lose 'G' modifier for call operand.
10580 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10581 recognize 'G' modifier.
10583 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10585 PR middle-end/18859
10586 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10587 * stmt.c (expand_case): Likewise.
10589 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10591 PR rtl-optimization/26254
10592 * loop-invariant.c (seq_insns_valid_p): New function.
10593 (move_invariant_reg): Only emit new code if it is valid.
10595 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10597 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10599 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10600 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10601 (commit_one_edge_insertion): Do not look for loop notes.
10603 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10605 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10606 flag_test_coverage out of loop.
10608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10610 * final.c (shorten_branches): Remove outdated comment, and turn
10611 the if branch that guards it to continue.
10613 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10615 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10616 * cfgloop.h (struct loop): Remove unused fields.
10618 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10620 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10621 (-dL, -fdump-rtl-loop2): Update the dump file names
10623 * doc/invoke.texi: Update dump file names.
10625 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10627 * predict.c (estimate_probability): Remove.
10628 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10629 * basic-block.h (estimate_probability): Remove prototype.
10630 * passes.c (finish_optimization_passes): Dump branch prediction or
10631 profiling heuristics to the .profile tree dump.
10632 (init_optimization_passes): Unqueue pass_branch_prob.
10634 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10636 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10638 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10639 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10641 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10643 * function.h (frame_offset_overflow): Declare.
10644 * function.c (frame_offset_overflow): New function.
10645 (assign_stack_local_1): Call it to detect that the offset overflows.
10646 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10648 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10650 * config/sh/sh.c: Include alloc-pool.h.
10651 (label_ref_list_pool): New alloc pool.
10652 (label_ref_list_t): New type for lists of labels.
10653 (struct pool_node): Make wend a label_ref_list_t.
10654 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10656 (dump_table): Likewise.
10657 (sh_reorg): Set up the alloc pool before using add_constant and
10658 dump_table, and destroy it when finishing.
10660 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10662 * config/mips/mips.c: Remove redundant comment.
10664 2006-03-10 Jason Merrill <jason@redhat.com>
10667 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10668 the target was declared 'register'.
10670 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10672 * genpreds.c (write_insn_constraint_len): Change definition of
10673 insn_constraint_len to return size_t to match the declaration.
10675 2006-03-10 DJ Delorie <dj@redhat.com>
10677 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10679 (m32c_expand_insv): Fix test for an AND mask.
10681 2006-03-10 Richard Guenther <rguenther@suse.de>
10683 PR middle-end/26565
10684 * builtins.c (get_pointer_alignment): Handle component
10685 references for field alignment.
10687 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10689 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10690 when building with libgloss.
10691 (sh*elf): Implement --without-fp option.
10692 (sh64-superh-linux*): Don't multilib.
10694 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10696 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10698 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10700 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10701 Set it when one of the replacement functions returned true.
10702 Return TODO_cleanup_cfg if cfgchanged is true.
10703 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10705 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10707 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10708 instead of gen_lowpart.
10710 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10712 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10714 (mips_output_order_conditional_branch): Declare.
10715 * config/mips/mips.h (MIPS_BRANCH): New macro.
10716 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10717 for the comparison. Use gen_condjump.
10718 (mips_output_conditional_branch): Rework interface to take the
10719 asm templates for a direct branch and the inverse of a direct branch.
10720 (mips_output_order_conditional_branch): New function.
10721 (mips_builtin_branch_and_move): New function.
10722 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10723 branch condition. Use gen_single_cc as the condition for
10724 __builtin_mips_upper_* or __builtin_mips_lower_*.
10725 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10726 Use VOIDmode for the branch condition.
10727 * config/mips/predicates.md (order_operator): New predicate.
10728 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10729 (branch_fp): Rename to...
10730 (*branch_fp): ...this. Remove mode from comparison operator.
10731 Use new mips_output_conditional_branch interface.
10732 (branch_fp_inverted): Rename to...
10733 (*branch_fp_inverted): ...this and update as for *branch_fp.
10734 (*branch_zero<mode>): Rename to...
10735 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10736 Use mips_output_order_conditional_branch. Only accept ordered
10738 (*branch_zero<mode>_inverted): Rename to...
10739 (*branch_order<mode>_inverted): ...this and update as for
10740 *branch_order<mode>.
10741 (*branch_equality<mode>): Accept zero as the second operand to
10742 the equality operator. Use the new mips_output_conditional_branch
10744 (*branch_equality<mode>_inverted): Likewise.
10745 (condjump): New expander.
10746 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10748 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10749 (bc1any2t, bc1any2f): Likewise.
10750 (single_cc): New expander.
10751 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10753 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10755 * doc/md.texi: Update documentation of MIPS constraints.
10756 * config/mips/constraints.md: New file.
10757 * config/mips/mips.md: Include it.
10758 * config/mips/mips.c (mips_char_to_class): Delete.
10759 (override_options): Don't initialize mips_char_to_class.
10760 * config/mips/mips.h (mips_char_to_class): Delete.
10761 (REG_CLASS_FROM_LETTER): Delete.
10762 (CONST_OK_FOR_LETTER_P): Delete.
10763 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10764 (EXTRA_CONSTRAINT_Y): Delete.
10765 (EXTRA_CONSTRAINT_STR): Delete.
10766 (CONSTRAINT_LEN): Delete.
10767 (EXTRA_MEMORY_CONSTRAINT): Delete.
10769 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10771 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10772 original fn's eh regions.
10774 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10776 * fold-const.c (build_range_check): Make sure to use a valid type to
10777 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10780 (range_predecessor): New static function.
10781 (range_successor): Likewise.
10782 (merge_ranges): Use them to compute predecessors and successors of
10785 2006-03-09 Roger Sayle <roger@eyesopen.com>
10787 PR middle-end/26561
10788 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10789 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10791 2006-03-08 DJ Delorie <dj@redhat.com>
10793 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10794 (addpsi3): Expand to include memory operands. Remove
10795 reload-specific splits.
10796 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10797 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10798 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10799 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10800 (shift1_qi, shift1_hi, insv): New.
10801 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10802 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10803 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10805 * config/m32c/m32c-protos.h: Update as needed.
10806 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10807 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10808 Fail for unrecognized R* constraints.
10809 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10810 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10811 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10813 (m32c_init_libfuncs): New.
10814 (m32c_legitimate_address_p): Add debug wrapper.
10815 (m32c_rtx_costs): New.
10816 (m32c_address_cost): New.
10817 (conversions): Add 'B' prefix.
10818 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10819 operands, or word regnames for QI operands. 'B' prints bit
10821 (m32c_expand_setmemhi): New.
10822 (m32c_expand_movmemhi): New.
10823 (m32c_expand_movstr): New.
10824 (m32c_expand_cmpstr): New.
10825 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10826 (m32c_expand_neg_mulpsi3): Handle non-ints.
10827 (m32c_cmp_flg_0): New.
10828 (m32c_expand_movcc): New.
10829 (m32c_expand_insv): New.
10830 (m32c_scc_pattern): New.
10831 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10832 a0/a1 out of SIregs.
10833 (STORE_FLAG_VALUE): New.
10834 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10837 * config/m32c/mov.md: Make constraints more liberal.
10838 (zero_extendqihi2): Optimize r0/r1 case.
10839 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10840 * config/m32c/predicates.md (m32c_any_operand): New.
10841 (m32c_nonimmediate_operand): New.
10842 (m32c_hl_operand): New.
10843 (m32c_r3_operand): New.
10846 (memsym_operand): New.
10847 (memimmed_operand): New.
10848 (a_qi_operand): New.
10849 (m32c_eqne_operator): New.
10850 (m32c_1bit8_operand): New.
10851 (m32c_1bit16_operand): New.
10852 (m32c_1mask8_operand): New.
10853 (m32c_1mask16_operand): New.
10854 * config/m32c/blkmov.md: New file.
10855 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10857 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10859 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10860 unsigned to fix signed/unsigned comparison issue in
10861 DWARF2_FRAME_REG_OUT.
10862 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10863 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10865 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10866 of ptr into the ENABLE_CHECKING section.
10868 2006-03-08 Jeff Law <law@redhat.com>
10870 * tree-vrp.c (infer_value_range): Only count pointer uses
10871 and dereferences if -fdelete-null-pointer-checks is enabled.
10873 * tree-vrp.c (find_assert_locations): Infer value ranges for
10874 single use pointers, but do not create ASSERT_EXPRs for them.
10875 When a non-null range is inferred for a pointer, backwards
10876 propagate that range to other equivalent pointers through the
10879 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10882 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10883 language hook targets.
10884 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10885 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10886 if language hook targets were missing.
10888 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10890 * tree-ssa-opfinalize.h: Removed.
10891 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10893 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10894 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10895 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10896 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10897 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10898 finalize_ssa_v_must_def_ops): New.
10900 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10902 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10903 block as parameter.
10905 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10907 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10909 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10910 addresses with offsets; reorganize.
10912 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10913 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10914 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10916 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10919 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10921 2006-03-08 Ben Elliston <bje@au.ibm.com>
10923 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10925 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10928 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10931 2006-03-07 Richard Guenther <rguenther@suse.de>
10933 PR tree-optimization/26587
10934 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10936 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10938 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10940 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10942 * hooks.c (hook_bool_mode_rtx_true): New function.
10943 * hooks.h (hook_bool_mode_rtx_true): Declare.
10944 * toplev.c (compile_file): Call output_shared_constant_pool.
10945 * varasm.c (shared_constant_pool): New variable.
10946 (assemble_start_function, assemble_end_function): Remove arguments
10947 from call to output_constant_pool.
10948 (create_constant_pool): New function, split out from...
10949 (init_varasm_status): ...here.
10950 (force_const_mem): Choose between the shared and per-function constant
10951 pools. Set current_function_uses_const_pool when reusing old entries
10952 as well as when creating new ones.
10953 (mark_constant): Ignore data argument.
10954 (mark_constants): Remove pool argument.
10955 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10956 to decide whether the function uses a constant pool.
10957 (output_constant_pool_contents): New function, split out from...
10958 (output_constant_pool): ...here.
10959 (output_shared_constant_pool): New function.
10960 (init_varasm_once): Initialize shared_constant_pool.
10961 * output.h (output_constant_pool): Delete.
10962 (output_shared_constant_pool): Declare.
10963 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10964 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10966 2006-03-06 Nick Clifton <nickc@redhat.com>
10968 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10969 flag_strength_reduce.
10971 2006-03-06 Ben Elliston <bje@au.ibm.com>
10973 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10974 x86_64-*-linux* configurations.
10976 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10977 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10979 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10981 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10983 * basic-block.h: Remove the extern for
10984 rediscover_loops_after_threading.
10986 * cfgloop.c (cancel_loop): Make it static.
10987 * cfgloop.h: Remove the prototype for cancel_loop.
10989 * flow.c (recompute_reg_usage): Make it static.
10990 * rtl.h: Remove the prototype for recompute_reg_usage.
10992 * function.c (use_return_register): Make it static.
10993 * function.h: Remove the prototype.
10995 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10997 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10999 * recog.h: Remove the prototype for
11000 validate_change_maybe_volatile.
11002 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11004 * rtlanal.c (replace_reg): Remove.
11005 * rtl.h: Remove the prototype for replace_reg.
11007 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11009 * regclass.c (reg_scan_update): Remove.
11010 (reg_scan_mark_refs): Remove the last argument.
11011 * rtl.h: Remove the prototype for reg_scan_update.
11013 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11015 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11016 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11017 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11018 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11019 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11020 loop-invariant.c, omp-low.c, opts.c, passes.c,
11021 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11022 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11023 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11024 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11025 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11026 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11028 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11030 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11031 * dwarf2out.h: Remove the prototype for
11032 dwarf2out_add_library_unit_info.
11034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11036 * tree.c (add_var_to_bind_expr): Remove.
11037 * tree.h: Remove the prototype for add_var_to_bind_expr.
11039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11041 * regclass.c (n_non_fixed_regs): Remove.
11042 (init_reg_sets_1, globalize_reg): Remove all uses of
11044 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11046 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11048 * rtlanal.c (insns_safe_to_move_p): Remove.
11049 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11053 * expmed.c (expand_mult_add): Remove.
11054 * expr.h: Remove the prototype for expand_mult_add.
11056 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11058 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11059 and REG_SAVED_VAL_EXP constants.
11060 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11061 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11062 Handle regs stored by value.
11063 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11064 (execute_cfa_program): Handle DW_CFA_val_offset,
11065 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11066 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11067 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11068 (uw_install_context_1): Handle target regs stored by value.
11070 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11072 * tree-sra.c (tree_sra): Return todoflags;
11073 (generate_one_element): Set TODO_update_smt_usage if needed.
11074 (pass_sra): Remove TODO_update_smt_usage.
11075 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11077 (tree_ssa_forward_propagate_single_use_vars): Return
11078 TODO_update_smt_usage if we need to update SMT usage.
11079 (pass_forwprop): Remove TODO_update_smt_usage.
11081 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11083 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11084 (correct_use_link): Remove reference to get_stmt_operands.
11085 (update_stmt_operands): Likewise.
11086 (get_modify_expr_operands): New function factored out of
11087 parse_ssa_operands and get_expr_operands.
11088 Try to create V_MUST_DEFs for LHS by default.
11089 (get_expr_operands) <case MODIFY_EXPR>: Call
11090 get_modify_expr_operands.
11091 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11092 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11093 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11094 get_modify_expr_operands.
11096 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11098 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11099 * tree-flow.h: Remove the prototype for
11100 referenced_var_lookup_if_exists.
11102 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11104 PR rtl-optimization/26345
11106 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11108 2006-03-03 Roger Sayle <roger@eyesopen.com>
11110 PR tree-optimization/26524
11111 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11112 fold_convert to create a constant of the appropriate type.
11114 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11116 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11117 SYMBOL_REF_IN_BLOCK_P.
11118 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11119 of SYMBOL_FLAG_IN_BLOCK.
11120 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11121 instead of SYMBOL_REF_IN_BLOCK_P.
11122 * explow.c (use_anchored_address): Likewise.
11123 * rtl.c (rtx_size): Likewise.
11124 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11125 instead of SYMBOL_FLAG_IN_BLOCK.
11126 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11127 SYMBOL_REF_IN_BLOCK_P.
11128 (assemble_variable): Likewise.
11129 (output_constant_def_contents): Likewise.
11130 (output_constant_pool): Likewise.
11131 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11132 instead of SYMBOL_FLAG_IN_BLOCK.
11133 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11134 SYMBOL_REF_IN_BLOCK_P.
11135 (SYMBOL_REF_BLOCK): Likewise.
11136 (SYMBOL_REF_OFFSET): Likewise.
11137 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11138 SYMBOL_REF_IN_BLOCK_P.
11139 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11140 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11141 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11142 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11144 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11146 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11148 2006-03-02 Roger Sayle <roger@eyesopen.com>
11150 * simplify-rtx.c (simplify_unary_operation): When simplifying
11151 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11152 that we perform the right shift in the appropriate mode, and
11153 then extend or truncate the result to requested mode.
11155 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11157 * gengtype.c (main): Handle double_int type.
11158 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11159 * double-int.c: New file.
11160 * double-int.h: New file.
11161 * system.h: Include doubleint.h.
11162 * Makefile.in (SYSTEM_H): Include double-int.h.
11163 (double-int.o): Add.
11165 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11168 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11171 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11173 * tree-vrp.c (remove_range_assertions): Do not update statements
11176 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11178 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11180 * gcse.c (rest_of_handle_gcse): Ditto.
11181 * except.c (gate_handle_eh): Ditto.
11182 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11183 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11185 2006-03-02 Eric Christopher <echristo@apple.com>
11187 * config/i386/i386.c (machopic_output_stub): Add indirection to
11190 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11194 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11196 Sun Niagara specific optimizations.
11197 * config.gcc: Recognize niagara as target.
11198 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11199 (TARGET_CPU_niagara): Define.
11200 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11201 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11202 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11203 (ASM_CPU_SPEC): Likewise.
11204 (PROCESSOR_NIAGARA): New enum entry.
11205 (REGISTER_MOVE_COST): Handle Niagara.
11206 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11207 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11208 (sparc_override_options): Recognize "niagara", set appropriate
11209 default MASK_* values for it, and align functions to 32-bytes
11210 by default just like ULTRASPARC/ULTRASPARC3.
11211 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11212 (sparc64_initialize_trampoline): Likewise.
11213 (sparc_use_sched_lookahead): Use zero for niagara.
11214 (sparc_issue_rate): Use one for niagara.
11215 * config/sparc/niagara.md: New file.
11216 * config/sparc/sparc.md: Include it.
11217 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11218 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11219 when default cpu is niagara.
11220 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11221 (ASM_CPU_SPEC): Likewise.
11222 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11223 when default cpu is niagara.
11224 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11225 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11226 just like v9/ultrasparc/ultrasparc3.
11227 * doc/invoke.texi: Add documentation for "niagara" and improve
11228 existing documentation for ultrasparc variants.
11230 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11232 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11234 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11236 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11237 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11238 and say that only one is needed.
11239 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11240 * target.h (have_switchable_bss_sections): New hook.
11241 * explow.c (use_anchored_address): Check that the symbol is in a block.
11242 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11243 (bss_noswitch_section): New variables.
11244 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11245 (get_noswitch_section): New function.
11246 (get_block_for_section): Allow SECT to be null.
11247 (unlikely_text_section_p): Use SECTION_STYLE.
11248 (bss_initializer_p): New function.
11249 (get_variable_section): Move earlier in file. Take a new argument,
11250 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11251 Return one of the new *_sections in such cases.
11252 (get_block_for_decl): New function, extracting some logic from
11253 use_blocks_for_decl_p.
11254 (change_symbol_section): Remove in favor of...
11255 (change_symbol_block): ...this new function.
11256 (use_blocks_for_decl_p): Remove checks now performed by
11257 get_block_for_decl.
11258 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11259 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11260 (emit_local, emit_bss, emit_common): ...these new functions.
11261 Return true if the alignment was honored.
11262 (emit_tls_common): New function.
11263 (asm_emit_uninitialised): Delete.
11264 (assemble_variable_noswitch): New function, split out from...
11265 (assemble_variable): ...here. Don't make decisions about common
11266 variables here. Globalize all public decls that go into non-common
11267 sections. Check whether SYMBOL_REF_BLOCK is null.
11268 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11269 (output_constant_pool): Likewise.
11270 (init_varasm_once): Initialize the new section variables.
11271 (have_global_bss_p): New function.
11272 (categorize_decl_for_section): Use bss_initializer_p.
11273 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11274 (place_block_symbol): Assert that the symbol must be in a block.
11275 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11276 (TARGET_INITIALIZER): Include it.
11277 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11278 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11279 (SECTION_MACH_DEP): Bump by two.
11280 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11281 (unnamed_section): Mention SECTION_UNNAMED in comment.
11282 (named_section): Likewise SECTION_NAMED.
11283 (noswitch_section_callback): New type.
11284 (noswitch_section): New structure.
11285 (section): Add a noswitch_section alternative.
11286 (SECTION_STYLE): New macro.
11287 (tls_comm_section, comm_section, lcomm_section): Declare.
11288 (bss_noswitch_section, have_global_bss_p): Declare.
11289 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11290 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11292 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11293 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11296 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11298 * tree-vrp.c (execute_vrp): Return value.
11299 * regrename.c (rest_of_handle_regrename): Ditto.
11300 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11301 * tree-complex.c (tree_lower_complex): Ditto.
11302 (tree_lower_complex_O0): Ditto.
11303 * tracer.c (rest_of_handle_tracer): Ditto.
11304 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11305 * postreload.c (rest_of_handle_postreload): Ditto.
11306 * tree-tailcall.c (execute_tail_recursion): Ditto.
11307 (execute_tail_calls): Ditto.
11308 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11309 * tree.h (init_function_for_compilation): Ditto.
11310 * ipa-cp.c (ipcp_driver): Ditto.
11311 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11312 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11313 * final.c (compute_alignments): Ditto.
11314 (rest_of_handle_final): Ditto.
11315 (rest_of_handle_shorten_branches): Ditto.
11316 (rest_of_clean_state): Ditto.
11317 * omp-low.c (execute_expand_omp): Ditto.
11318 (execute_lower_omp): Ditto.
11319 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11320 * ipa-reference.c (static_execute): Ditto.
11321 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11322 * reorg.c (rest_of_handle_delay_slots): Ditto.
11323 (rest_of_handle_machine_reorg): Ditto.
11324 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11325 * flow.c (recompute_reg_usage): Ditto.
11326 (rest_of_handle_remove_death_notes): Ditto.
11327 (rest_of_handle_life): Ditto.
11328 (rest_of_handle_flow2): Ditto.
11329 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11330 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11331 (do_ssa_store_ccp): Ditto.
11332 (execute_fold_all_builtins): Ditto.
11333 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11334 * modulo-sched.c (rest_of_handle_sms): Ditto.
11335 * ipa-pure-const.c (static_execute): Ditto.
11336 * cse.c (rest_of_handle_cse): Ditto.
11337 (rest_of_handle_cse2): Ditto.
11338 * web.c (rest_of_handle_web): Ditto.
11339 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11340 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11341 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11342 * tree-nrv.c (tree_nrv): Ditto.
11343 (execute_return_slot_opt): Ditto.
11344 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11345 (create_structure_vars): Ditto.
11346 * loop-init.c (rtl_loop_init): Ditto.
11347 (rtl_loop_done): Ditto.
11348 (rtl_move_loop_invariants): Ditto.
11349 (rtl_unswitch): Ditto.
11350 (rtl_unroll_and_peel_loops): Ditto.
11351 (rtl_doloop): Ditto.
11352 * gimple-low.c (lower_function_body): Ditto.
11353 (mark_used_blocks): Ditto.
11354 * tree-ssa-sink.c (execute_sink_code): Ditto.
11355 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11356 (cgraph_early_inlining): Ditto.
11357 * global.c (rest_of_handle_global_alloc): Ditto.
11358 * jump.c (cleanup_barriers): Ditto.
11359 (purge_line_number_notes): Ditto.
11360 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11361 (rest_of_handle_if_after_reload): Ditto.
11362 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11363 (tree_ssa_loop_im): Ditto.
11364 (tree_ssa_loop_unswitch): Ditto.
11365 (tree_vectorize): Ditto.
11366 (tree_linear_transform): Ditto.
11367 (tree_ssa_loop_ivcanon): Ditto.
11368 (tree_ssa_empty_loop): Ditto.
11369 (tree_ssa_loop_bounds): Ditto.
11370 (tree_complete_unroll): Ditto.
11371 (tree_ssa_loop_prefetch): Ditto.
11372 (tree_ssa_loop_ivopts): Ditto.
11373 (tree_ssa_loop_done): Ditto.
11374 * predict.c (tree_estimate_probability): Ditto.
11375 * recog.c (split_all_insns_noflow): Ditto.
11376 (rest_of_handle_peephole2): Ditto.
11377 (rest_of_handle_split_all_insns): Ditto.
11378 * tree-eh.c (lower_eh_constructs): Ditto.
11379 * regmove.c (rest_of_handle_regmove): Ditto.
11380 (rest_of_handle_stack_adjustments): Ditto.
11381 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11382 * function.c (instantiate_virtual_regs): Ditto.
11383 (init_function_for_compilation): Ditto.
11384 (rest_of_handle_check_leaf_regs): Ditto.
11385 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11386 (rest_of_handle_gcse): Ditto.
11387 * ipa-type-escape.c (type_escape_execute): Ditto.
11388 * alias.c (rest_of_handle_cfg): Ditto.
11389 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11390 * profile.c (rest_of_handle_branch_prob): Ditto.
11391 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11392 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11393 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11394 * tree-dfa.c (find_referenced_vars): Ditto.
11395 * except.c (set_nothrow_function_flags): Ditto.
11396 (convert_to_eh_region_ranges): Ditto.
11397 (rest_of_handle_eh): Ditto.
11398 * emit-rtl.c (unshare_all_rtl): Ditto.
11399 (remove_unnecessary_notes): Ditto.
11400 * except.h (set_nothrow_function_flags): Ditto.
11401 (convert_to_eh_region_ranges): Ditto.
11402 * cfgexpand.c (tree_expand_cfg): Ditto.
11403 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11404 * tree-ssa-pre.c (do_pre): Ditto.
11405 (execute_fre): Ditto.
11406 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11407 (rest_of_handle_jump2): Ditto.
11408 * tree-sra.c (tree_sra): Ditto.
11409 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11410 (execute_mudflap_function_decls): Ditto.
11411 * tree-ssa-copy.c (do_copy_prop): Ditto.
11412 (do_store_copy_prop): Ditto.
11413 * ipa-prop.h (ipcp_driver): Ditto.
11414 * cfglayout.c (insn_locators_initialize): Ditto.
11415 * tree-ssa-forwprop.c
11416 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11417 * cfglayout.h (insn_locators_initialize): Ditto.
11418 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11419 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11420 (execute_late_warn_uninitialized): Ditto.
11421 * rtl.h (cleanup_barriers): Ditto.
11422 (split_all_insns_noflow): Ditto.
11423 (purge_line_number_notes): Ditto.
11424 (unshare_all_rtl): Ditto.
11425 (remove_unnecessary_notes): Ditto.
11426 (recompute_reg_usage): Ditto.
11427 (variable_tracking_main): Ditto.
11428 * integrate.c (emit_initial_value_sets): Ditto.
11429 * integrate.h (emit_initial_value_sets): Ditto.
11430 * tree-optimize.c (execute_free_datastructures): Ditto
11431 (execute_free_cfg_annotations): Ditto.
11432 (execute_fixup_cfg): Ditto.
11433 (execute_cleanup_cfg_pre_ipa): Ditto.
11434 (execute_cleanup_cfg_post_optimizing): Ditto.
11435 (execute_init_datastructures): Ditto.
11436 * tree-object-size.c (compute_object_sizes): Ditto.
11437 * combine.c (rest_of_handle_combine): Ditto.
11438 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11439 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11440 (rest_of_handle_reorder_blocks): Ditto.
11441 (rest_of_handle_partition_blocks): Ditto.
11442 * var-tracking.c (variable_tracking_main): Ditto.
11443 * tree-profile.c (tree_profiling): Ditto.
11444 * tree-vect-generic.c (expand_vector_operations): Ditto.
11445 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11446 * sched-rgn.c (rest_of_handle_sched): Ditto.
11447 (rest_of_handle_sched2): Ditto.
11448 * basic-block.h (free_bb_insn): Ditto.
11449 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11450 * tree-cfg.c (execute_build_cfg): Ditto.
11451 (remove_useless_stmts): Ditto.
11452 (split_critical_edges): Ditto.
11453 (execute_warn_function_return): Ditto.
11454 (execute_warn_function_noreturn): Ditto.
11455 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11456 * cfgrtl.c (free_bb_for_insn): Ditto.
11457 * passes.c (execute_one_pass): Run additional
11458 todos returned by execute function.
11459 * tree-pass.h (struct tree_opt_pass): Make execute
11462 2006-03-02 Richard Guenther <rguenther@suse.de>
11464 * tree-ssa-alias.c (find_used_portions): Consider taking
11465 the address as making the variable not write-only.
11467 2006-03-02 Nick Clifton <nickc@redhat.com>
11469 * config.gcc (default_use_cxa_atexit): Extend the description of
11470 this configure variable. Set its default value to "yes" for
11471 Linux, NetBSD and ELF targets on the assumption that they will
11472 use C libraries with the __cxa_atexit function.
11474 2006-03-02 Ben Elliston <bje@au.ibm.com>
11476 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11477 parameter as unused to suppress a build warning.
11479 2006-03-02 Ben Elliston <bje@au.ibm.com>
11481 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11484 2006-03-01 Roger Sayle <roger@eyesopen.com>
11487 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11488 declared name, the weak reference name, and the typeof name.
11489 (__gthrw): Avoid expanding the declared name suffix.
11490 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11492 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11494 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11496 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11497 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11498 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11499 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11500 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11501 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11502 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11503 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11504 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11505 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11506 (DW_END_default, DW_END_big, DW_END_little): New.
11507 (DW_END_lo_user, DW_END_hi_user): Define.
11508 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11509 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11510 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11513 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11515 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11517 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11519 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11521 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11523 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11524 to 'symbol_mem_tag'.
11526 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11529 2006-03-01 Roger Sayle <roger@eyesopen.com>
11531 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11533 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11536 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11537 MACHO_DYNAMIC_NO_PIC_P.
11538 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11540 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11543 * config/darwin-protos.h (darwin_asm_output_anchor):
11545 * config/darwin-sections.def (cstring_section):
11546 Add SECTION_MERGE to the flags.
11547 (literal4_section): Likewise.
11548 (literal8_section): Likewise.
11549 (objc_selector_refs_section): Likewise.
11550 (objc_cls_refs_section): Likewise.
11551 * config/darwin.c (darwin_asm_output_anchor): New
11553 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11555 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11557 Fix PR tree-optimization/26443
11558 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11559 to todo and PROP_tmt_usage to properties_destroyed.
11560 * tree-ssa-ccp.c (pass_ccp): Ditto.
11561 (pass_store_ccp): Ditto.
11562 * tree-ssa-dom.c (pass_dominator): Ditto.
11564 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11566 * tree-ssa-operands.c: Cleanup whitespace.
11567 (get_asm_expr_operands): Move before first invocation.
11568 (get_indirect_ref_operands): Likewise.
11569 (get_tmr_operands): Likewise.
11570 (get_call_expr_operands): Likewise.
11571 (append_def): Likewise.
11572 (append_use): Likewise.
11573 (append_v_may_def): Likewise.
11574 (append_v_must_def): Likewise.
11575 (add_call_clobber_ops): Likewise.
11576 (add_call_read_ops): Likewise.
11577 (add_stmt_operand): Likewise.
11578 (add_virtual_operand): Likewise.
11579 (build_ssa_operands): Likewise.
11581 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11583 PR middle-end/26022
11585 PR middle-end/24437
11586 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11587 with a call expr to ...
11588 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11590 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11592 * tree-vrp.c (extract_range_from_assert): Remove special
11593 handling for types with super-types.
11595 2006-03-01 Ben Elliston <bje@au.ibm.com>
11597 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11598 and powerpc64-*-linux* configurations.
11599 * config/t-dfprules: New file.
11601 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11602 Compile dfp-bit.c from the source directory using -DWIDTH and
11603 $DFP_CFLAGS to control the compilation of that file, rather than
11604 generating width-specific versions in the build directory.
11605 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11606 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11608 2006-02-28 Zack Weinberg <zackw@panix.com>
11610 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11613 2006-02-28 Eric Christopher <echristo@apple.com>
11615 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11616 Set up IN_LIBGCC definition of TARGET_64BIT.
11617 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11619 2006-02-28 Roger Sayle <roger@eyesopen.com>
11621 PR middle-end/14752
11622 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11623 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11624 cases via the construction of "expr != 0".
11626 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11628 * alias.c (alias_invariant, alias_invariant_size): Remove.
11629 (record_base_value): Remove.
11630 (memrefs_conflict_p): Don't look at alias_invariant.
11631 (end_alias_analysis): Don't free it.
11632 * alias.h (record_base_value): Remove prototype.
11634 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11635 Adam Nemet <anemet@caviumnetworks.com>
11637 * rtl.h (truncated_to_mode): Declare it.
11638 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11639 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11640 (RTL_HOOKS_INITIALIZER): Include it.
11641 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11642 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11643 reg_truncated_to_mode.
11644 * rtlanal.c (truncated_to_mode): Define it.
11645 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11647 2006-02-28 Jeff Law <law@redhat.com>
11649 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11650 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11651 the range allowed by TYPE_PRECISION.
11653 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11655 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11657 PR tree-optimization/26419
11658 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11661 2006-02-27 Zack Weinberg <zackw@panix.com>
11663 * doc/md.texi: Fix typo in previous change.
11665 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11669 2006-02-27 Zack Weinberg <zackw@panix.com>
11671 * rtl.def (define_constraint, define_register_constraint)
11672 (define_memory_constraint, define_address_constraint): New MD forms.
11673 * gensupport.c (process_rtx): Put define_constraint etc on the
11675 * genpreds.c (process_define_predicate): Adjust comment. Validate
11676 the name, and call validate_exp to validate the expression.
11677 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11678 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11679 all callers changed.
11680 (validate_exp, needs_variable, struct constraint_data)
11681 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11682 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11683 (const_dbl_constraints, constraint_max_namelen)
11684 (have_register_constraints, have_memory_constraints)
11685 (have_address_constraints, have_address_constraints)
11686 (have_extra_constraints, have_const_int_constraints)
11687 (have_const_dbl_constraints, mangle, add_constraint)
11688 (process_define_constraint, process_define_register_constraint)
11689 (write_enum_constraint_num, write_lookup_constraint)
11690 (write_insn_constraint_len, write_regclass_for_constraint)
11691 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11692 (write_insn_extra_memory_constraint)
11693 (write_insn_extra_address_constraint)
11694 (write_satisfies_constraint_fns): New.
11695 (write_tm_preds_h): If we have new-style constraint definitions,
11696 prototype the functions generated from them, and define the
11697 old constraint interface (still used by generic code) in terms of
11699 (write_insn_preds_c): If we have new-style constraint definitions,
11700 generate all relevant functions from those definitions.
11701 (main): Handle define_constraint etc.
11702 * genoutput.c (struct constraint_data, indep_constraints)
11703 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11704 (mdep_constraint_len): New data structures and functions, defined
11705 #ifdef USE_MD_CONSTRAINTS.
11706 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11707 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11708 use new logic to validate operand constraints against constraint
11710 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11712 * defaults.h: If none of the old-style constraint macros are
11713 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11714 old-style macros; and poison REG_CLASS_FROM_LETTER,
11715 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11717 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11718 * doc/md.texi: Document new constraint-definition mechanism and the
11719 C interface it provides. Remove references to old mechanism
11720 elsewhere in the document.
11721 (Machine Constraints): Use pathnames relative to gcc directory,
11722 i.e. config/ARCH/FILE. Change i386 section to refer to
11723 config/i386/predicates.md; update that section to match docstrings.
11724 * doc/tm.texi: Move all documentation of the old constraint-
11725 definition macros to their own section, clearly mark as obsolete.
11727 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11728 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11730 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11731 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11732 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11733 constraint strings.
11734 (splits and peepholes): Use satisfies_constraint_*.
11735 * config/i386/i386.c (memory_address_length)
11736 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11738 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11740 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11741 scalar operation to be put back into the loop.
11743 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11746 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11747 (extract_cie_info): Handle S flag in augmentation string.
11748 (execute_cfa_program): If context->signal_frame, execute also
11749 fs->pc == context->ra instructions.
11750 (uw_frame_state_for): If context->signal_frame, don't subtract one
11751 from context->ra to find FDE.
11752 (uw_update_context_1): Set context->signal_frame to
11754 (_Unwind_GetIPInfo): New function.
11755 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11756 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11758 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11759 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11760 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11761 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11762 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11763 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11764 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11765 x86_64_fallback_frame_state): Set fs->signal_frame.
11766 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11767 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11768 (frob_update_context): Likewise. Workaround missing S flag in
11769 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11770 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11771 Remove the psw_addr + 1 hack.
11773 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11775 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11776 with aggregates here.
11777 (find_func_aliases): Remove code for &<aggregate> from here.
11779 2006-02-26 Roger Sayle <roger@eyesopen.com>
11781 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11782 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11783 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11784 as (X & C) ne/eq 0.
11786 2006-02-26 Roger Sayle <roger@eyesopen.com>
11788 PR middle-end/19983
11789 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11791 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11793 * opts.c (decode_options): Do not handle flag_strength_reduce.
11794 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11795 and OPT_fstrength_reduce.
11796 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11797 flag_prefetch_loop_arrays for being nonzero.
11798 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11800 (fprefetch-loop-arrays-rtl): Removed.
11801 (flag_prefetch_loop_arrays): Do not specify the value.
11803 * doc/passes.texi: Update documentation of loop optimizer
11805 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11806 -frerun-loop-opt): Remove.
11808 2006-02-26 Richard Guenther <rguenther@suse.de>
11810 PR tree-optimization/26421
11811 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11812 in function calls that are ADDR_EXPRs as using the whole structure.
11814 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11816 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11817 * tree-pass.h (pass_loop_optimize): Remove.
11818 * passes.c (pass_loop_optimize): Never run it.
11819 * toplev.c (backend_init): Don't call init_loop.
11820 * opts.c (flag_loop_optimize_set): Remove.
11821 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11822 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11823 the old RTL loop optimizer when profiling enabled.
11824 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11825 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11826 pre-headers for the sake of the old RTL loop optimizer.
11827 * Makefile.in: Remove all references to loop.o.
11829 * doc/invoke.texi: Remove all references to -floop-optimize
11830 and -frerun-loop-opt.
11832 2006-02-26 Zack Weinberg <zackw@panix.com>
11834 * doc/md.texi (Machine Constraints): Refer to all files with paths
11835 relative to gcc directory (i.e. config/CPU/file). Add missing
11836 @table @code ... @end table to M32C subsection.
11838 2006-02-26 Roger Sayle <roger@eyesopen.com>
11840 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11842 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11844 2006-02-26 Roger Sayle <roger@eyesopen.com>
11845 James A. Morrison <phython@gcc.gnu.org>
11847 PR middle-end/21137
11848 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11849 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11850 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11851 signedness of the shift operation.
11853 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11855 PR tree-optimization/26359
11856 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11858 2006-02-25 Roger Sayle <roger@eyesopen.com>
11860 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11861 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11862 as X == 0, and some symmetry related transformations.
11863 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11865 2006-02-25 Roger Sayle <roger@eyesopen.com>
11867 PR middle-end/23673
11868 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11869 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11870 symmetry related transformations. Fold (X^C1) == C2 as
11873 2006-02-25 Juergen Weigert <jw@suse.de>
11874 Richard Guenther <rguenther@suse.de>
11876 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11878 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11880 * combine.c (gen_lowpart_or_truncate): Call
11881 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11883 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11885 * doc/invoke.texi: Move -fopenmp description to "Options for
11887 Remove reference to -lgomp.
11889 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11891 * doc/install.texi: Require GNU tar version 1.14.
11893 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11895 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11896 * doc/invoke.texi (C++ Dialect Options): Document
11897 -fno-use-cxa-get-exception-ptr.
11898 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11899 * configure: Regenerate.
11900 * c.opt (fuse-cxa-get-exception-ptr): New.
11901 * c-opts.c (c_common_handle_option): Handle
11902 OPT_fuse_cxa_get_exception_ptr.
11903 * c-common.c (flag_use_cxa_atexit): Update documentation.
11904 (flag_use_cxa_get_exception_ptr): New.
11905 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11906 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11908 (C_COMMON_OVERRIDE_OPTIONS): New.
11910 2006-02-24 Roger Sayle <roger@eyesopen.com>
11912 PR middle-end/24952
11913 * combine.c (try_combine): Explicitly check whether GET_CODE is
11914 a SET or a CLOBBER, instead on checking that it isn't a USE.
11916 2006-02-24 Roger Sayle <roger@eyesopen.com>
11918 * fold-const.c (fold_comparison): New subroutine of fold_binary
11919 containing transformations common to both the equality and
11920 ordering relational operators, factored out of fold_binary.
11921 (fold_binary): Separate out the equality operators (EQ_EXPR
11922 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11923 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11924 transformations common to both.
11925 (fold_div_compare): Fix latent bugs in the previously unreachable
11926 LT_EXPR and GE_EXPR cases.
11928 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11930 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11931 decl libname for clog to __clog on AIX.
11933 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11935 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11938 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11939 output traceback table for thunks. Localise rs6000_stack_info call.
11941 2006-02-23 Roger Sayle <roger@eyesopen.com>
11942 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11944 * gthr-posix.h (__gthrw): Fix typo in comment.
11946 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11948 * doc/cpp.texi (Character sets): Document that we do support
11949 input files to be in any character set.
11951 2006-02-23 Jeff Law <law@redhat.com>
11953 * tree.h (PHI_ARG_NONZERO): Remove.
11954 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11955 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11956 node to the new node.
11958 PR tree-optimization/26425
11959 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11960 min/max, then assume its varying.
11962 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11964 PR rtl-optimization/26316
11965 * rtlanal.c (enum may_trap_p_flags): New.
11966 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11967 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11968 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11969 (may_trap_after_code_motion_p): New function.
11970 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11971 (find_invariant_insn): Use may_trap_after_code_motion_p.
11972 * rtl.h (may_trap_after_code_motion_p): Declare.
11974 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11976 * emit-rtl.c (immed_double_const): Cleanup.
11978 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11980 Fix PR tree-optimization/26376
11981 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11984 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11986 PR middle-end/26412
11987 * gimplify.c (omp_add_variable): Guard variable size decl test with
11988 DECL_SIZE (decl) check.
11990 2006-02-23 Richard Guenther <rguenther@suse.de>
11992 PR middle-end/26439
11993 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11994 like aggregate types.
11996 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11998 * configure.ac: Add --with{,out}-long-double-128 configure option.
11999 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12000 * configure: Rebuilt.
12001 * config.in: Rebuilt.
12002 * doc/install.texi (Options specification): Document
12003 --with-long-double-128.
12005 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12006 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12007 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12008 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12010 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12012 * config/s390/s390.c (override_options): Handle
12013 TARGET_DEFAULT_LONG_DOUBLE_128.
12015 * config/alpha/alpha.c (override_options): Handle
12016 TARGET_DEFAULT_LONG_DOUBLE_128.
12018 * config/sparc/sparc.c (sparc_override_options): Handle
12019 TARGET_DEFAULT_LONG_DOUBLE_128.
12021 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12023 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12024 (real-install-headers-tar, real-install-headers-cpio)
12025 (real-install-headers-cp): New targets.
12027 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12029 * tree.h (variable_section): Delete.
12030 * varasm.c (variable_section): Delete.
12032 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12034 * install.texi: Add notes on install.texi2html.
12035 (Building in parallel): Do not use footnotes.
12037 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12040 * doc/install.texi (Configuration): Document --disable-libgomp.
12042 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12044 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12046 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12048 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12049 (vec_extractv2df_0_sse): New.
12051 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12053 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12054 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12055 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12056 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12057 to the result of the expression.
12058 (def_cfa_1): Adjust.
12059 (frame_pointer_cfa_offset): Rename to...
12060 (frame_pointer_fb_offset): ... this. Adjust all uses.
12061 (convert_cfa_to_loc_list): Rename to...
12062 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12063 Pass it on to build_cfa_loc.
12064 (compute_frame_pointer_to_cfa_displacement): Rename to...
12065 (compute_frame_pointer_to_fb_displacement): ... this. New
12066 offset parameter. Use it in computation.
12067 (gen_subprogram_die): Compute cfa_fb_offset with the new
12068 macro, and use it to compute the fb loc list and the
12071 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12073 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12074 replaced with register_operand.
12075 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12076 non-DREG is expensive.
12077 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12078 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12081 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12083 * doc/install.texi2html: Use set -e.
12085 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12087 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12088 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12089 * doc/invoke.texi (-fshared-data): Delete.
12090 * common.opt (fshared-data): Delete.
12091 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12092 (assemble_static_space): Remove #if 0 code.
12093 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12094 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12095 * config/cris/cris.h: Remove FIXME.
12097 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12099 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12102 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12104 PR middle-end/26379
12105 * combine.c (simplify_shift_const_1): Disable nested shifts
12106 optimization for vector shifts.
12108 2006-02-20 Roger Sayle <roger@eyesopen.com>
12110 PR tree-optimization/26361
12111 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12112 of unsigned integer types.
12114 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12116 * tree-chrec.c (eq_evolutions_p): New.
12117 * tree-chrec.h (eq_evolutions_p): Declared.
12118 * tree-data-ref.c: Fix formatting.
12119 (datadep_stats, dependence_stats): New.
12121 (print_direction_vector): New.
12122 (dump_data_dependence_relation): Use print_direction_vector.
12123 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12124 (compute_subscript_distance): Static.
12125 (initialize_data_dependence_relation): Static. Get the number
12126 of loops surrounding the references from the callers, and initialize
12127 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12128 base_object_differ_p analyzers.
12129 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12130 compute_overlap_steps_for_affine_1_2,
12131 analyze_subscript_affine_affine): Count the classified dependences.
12132 Print a message when a test failed.
12133 (can_use_analyze_subscript_affine_affine): New.
12134 (analyze_siv_subscript): Compute the data dependences on symbolic
12135 scevs that verify can_use_analyze_subscript_affine_affine.
12136 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12137 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12138 Handle symbolic scevs.
12139 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12141 (subscript_dependence_tester): Moved...
12142 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12143 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12144 DDR_SIZE_VECT instead of getting it in parameter.
12145 (subscript_dependence_tester): ... here. Take as a parameter
12146 loop_nest_depth. Call build_classic_dist_vector and
12147 build_classic_dir_vector.
12148 (compute_affine_dependence): Update subscript_dependence_tester
12149 parameters. Update datadep_stats counters. Call
12150 compute_subscript_distance.
12151 (compute_self_dependence): Save the dist and dir vectors. Call
12152 compute_subscript_distance.
12153 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12154 (compute_all_dependences): Reorder parameters as they were before
12155 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12156 compute_subscript_distance. Update the use of
12157 compute_affine_dependence and initialize_data_dependence_relation.
12158 (find_data_references_in_loop): Handle COMPONENT_REF.
12159 (compute_data_dependences_for_loop): Initialize dependence_stats.
12160 Don't call build_classic_dist_vector and build_classic_dir_vector.
12161 Update the parameters of initialize_data_dependence_relation and
12162 compute_all_dependences. Print the statistics from datadep_stats.
12163 (analyze_all_data_dependences): Static. Not used until the pass for
12164 checking the data dependences is contributed.
12165 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12166 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12167 (initialize_data_dependence_relation, compute_affine_dependence,
12168 analyze_all_data_dependences, compute_subscript_distance): Removed.
12169 (print_direction_vector): New.
12170 * lambda.h (gcd): ... here.
12171 (lambda_vector_gcd): Moved here from gcd_vector.
12172 * lambda-code.c (gcd, gcd_vector): Removed.
12173 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12174 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12176 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12178 * ipa-type-escape.c: Tidy some comments and white space.
12179 * tree-ssa-operands.c: Likewise.
12181 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12184 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12185 (dump_decl_name): Do not walk the decl tree chains.
12186 * tree-pass.h (TDF_CHAIN): Remove.
12188 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12190 * Makefile.in (C): Remove
12192 (.PHONY): Remove C and PROTO
12194 2006-02-20 Roger Sayle <roger@eyesopen.com>
12196 PR middle-end/26236
12197 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12198 deprecated CHAR_TYPE tree code.
12200 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12202 * configure.ac (target_list): Add install-info, dvi, html.
12203 * configure: Regenerate.
12205 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12206 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12207 treelang/Make-lang.in: Do not use double-colon rules.
12209 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12211 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12212 (TMT_USED_ALONE): New macro.
12213 * tree-pass.h (PROP_tmt_usage): New property.
12214 (TODO_update_tmt_usage): New todo.
12215 * tree-ssa-alias.c (updating_used_alone): New variable.
12216 (recalculate_used_alone): New function.
12217 (compute_may_aliases): Set updating_used_alone, call
12218 recalculate_used_alone.
12219 * tree-sra.c (pass_sra): Note that this pass destroys
12220 PROP_tmt_usage, and add TODO_update_tmt_usage.
12221 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12222 * tree-flow.h (updating_used_alone): Prototype.
12223 (recalculate_used_alone): Ditto.
12224 * passes.c (execute_todo): Add code to set updating_used_alone,
12225 and call recalculate.
12226 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12227 for clobber if used alone, and add assert to verify used_alone
12230 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12232 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12233 for non tls symbols added.
12234 (legitimize_address): Do nothing for PLUS expressions if one of the
12235 addends is a tls symbol reference.
12237 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12241 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12243 * Makefile.in (BOOTSTRAPPING): New.
12244 (quickstrap): New definition if BOOTSTRAPPING=yes.
12246 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12247 * configure.ac: Substitute all_selected_languages with the languages
12248 that were configured. For all the other variables except
12249 lang_specs_files, include all the languages in the tree.
12250 * configure: Regenerate.
12252 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12253 if there is one. Run the commands to run fixincludes in the same
12256 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12257 * doc/install.texi: Document exact conventions for searching target tools.
12258 Document --with-build-time-tools. Document toplevel bootstrap. Document
12259 something more about building an Ada cross-compiler. Don't list GNU Make
12260 requirements which affect all platforms.
12262 2006-02-19 Roger Sayle <roger@eyesopen.com>
12264 PR middle-end/19543
12265 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12266 only equivalent if the have both the same mode and precision.
12268 2006-02-20 Ben Elliston <bje@au.ibm.com>
12270 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12272 2006-02-19 Roger Sayle <roger@eyesopen.com>
12273 Steven Bosscher <stevenb.gcc@gmail.com>
12275 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12276 constant pool references to identify stack mode constants.
12277 * rtlanal.c (constant_pool_constant_p): New predicate to check
12278 whether operand is a floating point constant in the pool.
12279 * rtl.h (constant_pool_constant_p): Prototype here.
12280 * loop.c (scan_loop): Avoid hoisting constants from the constant
12281 pool on STACK_REGS targets.
12282 (load_mems): Likewise.
12283 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12284 loads into x87 registers expensive in terms of register pressure.
12286 2006-02-19 Roger Sayle <roger@eyesopen.com>
12288 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12289 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12291 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12293 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12294 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12296 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12298 * doc/invoke.texi: Document -fipa-pta.
12299 * common.opt: Add ipa-pta option.
12300 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12301 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12302 (do_ds_constraint): Ditto.
12303 (get_constraint_for): Only add to referenced_vars if
12304 referenced_vars exists.
12305 (insert_into_field_list): Rewrite to do this unsorted.
12306 (insert_into_field_list_sorted): Rename old insert_into_field_list
12308 (create_function_info_for): Use insert_into_field_list_sorted.
12309 (create_variable_info_for): Rewrite so it uses unsorted version,
12310 since the field list is sorted.
12311 (intra_create_variable_infos): Only add to referenced_vars if
12312 referenced_vars exists.
12313 (ipa_pta_execute): Init heapvars, and delete when done.
12314 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12316 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12318 * doc/install.texi: Add missing `@samp'.
12320 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12322 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12325 2006-02-18 Mark Wielaard <mark@klomp.org>
12327 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12328 who added new 4.1 features, bug fixes and integration support.
12330 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12333 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12334 MEM for ABI_V4 pic.
12336 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12338 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12339 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12340 (copy_insn_1): Likewise. Don't copy each field individually.
12342 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12344 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12345 * rtl.c (rtx_size): Rename variable to...
12346 (rtx_code_size): ...this.
12347 (rtx_size): New function.
12348 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12349 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12351 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12352 * rtl.h (rtx_code_size): New variable.
12353 (rtx_size): Change from a variable to a function.
12354 (RTX_SIZE): Rename to...
12355 (RTX_CODE_SIZE): ...this.
12358 PR tree-optimization/17106
12359 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12360 (Anchored Addresses): New section.
12361 * doc/invoke.texi (-fsection-anchors): Document.
12362 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12363 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12364 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12365 * hooks.c (hook_bool_mode_rtx_false): New function.
12366 * hooks.h (hook_bool_mode_rtx_false): Declare.
12367 * gengtype.c (create_optional_field): New function.
12368 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12369 SYMBOL_REF_IN_BLOCK_P is true.
12370 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12371 (min_anchor_offset, max_anchor_offset): Likewise.
12372 (use_anchors_for_symbol_p): New hook.
12373 * toplev.c (compile_file): Call output_object_blocks.
12374 (target_supports_section_anchors_p): New function.
12375 (process_options): Check that -fsection-anchors is only used on
12376 targets that support it and when -funit-at-a-time is in effect.
12377 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12378 if the decl doesn't have one.
12379 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12380 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12381 of force_const_mem through use_anchored_address.
12382 (expand_expr_constant): New function.
12383 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12384 calling expand_expr for INDIRECT_REF.
12385 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12386 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12387 * expr.h (use_anchored_address): Declare.
12388 * loop-unroll.c: Don't declare rtx vectors here.
12389 * explow.c: Include output.h.
12390 (validize_mem): Call use_anchored_address.
12391 (use_anchored_address): New function.
12392 * common.opt (-fsection-anchors): New switch.
12393 * varasm.c (object_block_htab, anchor_labelno): New variables.
12394 (hash_section, object_block_entry_eq, object_block_entry_hash)
12395 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12396 (use_blocks_for_decl_p, change_symbol_section): New functions.
12397 (get_variable_section): New function, split out from assemble_variable.
12398 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12399 use_blocks_for_decl_p say so. Use change_symbol_section if the
12400 symbol has already been created.
12401 (assemble_variable_contents): New function, split out from...
12402 (assemble_variable): ...here. Don't output any code for
12403 block symbols; just pass them to place_block_symbol.
12404 Use get_variable_section and assemble_variable_contents.
12405 (get_constant_alignment, get_constant_section, get_constant_size): New
12406 functions, split from output_constant_def_contents.
12407 (build_constant_desc): Create a block symbol if use_object_blocks_p
12408 says so. Or into SYMBOL_REF_FLAGS.
12409 (assemble_constant_contents): New function, split from...
12410 (output_constant_def_contents): ...here. Don't output any code
12411 for block symbols; just pass them to place_section_symbol.
12412 Use get_constant_section and get_constant_alignment.
12413 (force_const_mem): Create a block symbol if use_object_blocks_p and
12414 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12415 (output_constant_pool_1): Add an explicit alignment argument.
12416 Don't switch sections here.
12417 (output_constant_pool): Adjust call to output_constant_pool_1.
12418 Switch sections here instead. Don't output anything for block symbols;
12419 just pass them to place_block_symbol.
12420 (init_varasm_once): Initialize object_block_htab.
12421 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12422 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12423 (place_block_symbol, get_section_anchor, output_object_block)
12424 (output_object_block_htab, output_object_blocks): New functions.
12425 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12426 (TARGET_ASM_OUT): Include it.
12427 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12428 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12429 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12430 (TARGET_INITIALIZER): Include them.
12431 * rtl.c (rtl_check_failed_block_symbol): New function.
12432 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12433 (block_symbol, object_block): New structures.
12434 (rtx_def): Add a block_symbol field to the union.
12435 (BLOCK_SYMBOL_CHECK): New macro.
12436 (rtl_check_failed_block_symbol): Declare.
12437 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12438 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12439 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12440 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12441 * output.h (output_section_symbols): Declare.
12442 (object_block): Name structure.
12443 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12444 (default_use_anchors_for_symbol_p): Declare.
12445 * Makefile.in (RTL_BASE_H): Add vec.h.
12446 (explow.o): Depend on output.h.
12447 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12448 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12449 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12450 (rs6000_use_blocks_for_constant_p): New function.
12452 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12454 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12456 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12459 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12462 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12464 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12468 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12470 PR middle-end/26334
12471 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12472 instead of DECL_REGISTER.
12474 2006-02-18 Olivier Hainque <hainque@adacore.com>
12477 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12479 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12482 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12483 * opth-gen.awk: Handle Var and InverseMask together.
12484 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12485 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12486 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12487 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12489 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12490 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12491 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12492 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12493 LINUX_DYNAMIC_LINKER): Define.
12494 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12495 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12497 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12498 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12499 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12501 (TARGET_C99_FUNCTIONS): Don't define.
12502 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12503 GLIBC_DYNAMIC_LINKER.
12504 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12505 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12506 GLIBC_DYNAMIC_LINKER64): Define.
12507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12508 LINUX_DYNAMIC_LINKER64.
12509 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12511 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12513 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12514 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12515 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12516 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12517 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12518 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12519 and LINUX_DYNAMIC_LINKER32.
12520 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12522 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12524 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12526 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12527 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12528 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12529 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12530 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12531 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12532 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12533 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12534 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12535 LINUX_DYNAMIC_LINKER): Define.
12536 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12537 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12538 GLIBC_DYNAMIC_LINKER64): Define.
12539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12540 LINUX_DYNAMIC_LINKER64.
12541 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12542 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12543 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12544 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12545 LINUX_DYNAMIC_LINKER): Define.
12546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12547 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12548 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12549 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12550 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12551 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12552 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12553 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12554 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12555 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12557 * doc/invoke.texi (-muclibc): Remove caveat about supported
12560 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12562 * doc/cpp.texi (__TIMESTAMP__): Document.
12564 2006-02-17 Roger Sayle <roger@eyesopen.com>
12566 PR middle-end/25600
12567 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12568 C is one less than the width of X (and related transformations).
12569 * simplify-rtx.c (simplify_unary_operation_1): Transform
12570 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12571 depending on STORE_FLAG_VALUE, were C is one less then the
12574 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12576 Fix PR tree-optimization/26341
12577 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12578 about NAME_MEMORY_TAG's.
12580 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12583 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12584 with hardware float support, and software float support. Add fcpy
12585 alternative to hardware patterns. Add alternatives to copy between
12586 general and floating-point registers to the 32-bit pattern.
12587 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12588 secondary reload to load a QI or HI mode constant into a floating
12590 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12591 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12593 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12596 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12598 (load_macho_picbase_di): Likewise.
12600 2006-02-16 Jeff Law <law@redhat.com>
12602 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12603 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12604 (ssa_name_nonzero_p): Likewise.
12605 (get_value_range): Return NULL if VRP is not running.
12606 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12607 VRP routines do not discover a range.
12608 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12609 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12610 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12611 (tree_expr_nonnegative_p): Similarly.
12612 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12613 (restore_nonzero_vars_to_original_value): Remove.
12614 (unsafe_associative_fp_binop): Remove.
12615 (tree_ssa_dominator_optimize): Remove initialization and
12616 finalization of nonzero_vars and nonzero_vars_stack.
12617 (dom_opt_initialize_block): No longer push marker on
12618 nonzero_vars_stack.
12619 (dom_opt_finalize_block): No longer call
12620 restore_nonzero_vars_to_original_value.
12621 (record_equivalences_from_phis): No longer look for
12622 nonzero PHI arguments.
12623 (cprop_into_successor_phis): No longer propagate nonzero
12624 property into PHI arguments. Lose unused argument. Caller
12626 (record_equivalences_from_stmt): No longer record nonzero
12627 values for SSA_NAMEs.
12628 (lookup_avail_expr): No longer use nonzero_vars.
12630 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12631 for sizetype when sizetype is unsigned.
12633 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12635 PR rtl-optimization/25603
12636 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12637 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12638 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12639 with new meaning of SETS.
12641 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12646 * config/linux.opt: New file.
12647 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12648 LINUX_DYNAMIC_LINKER): Define.
12649 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12650 * config.gcc (*-*-linux*): Define extra_options.
12651 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12652 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12653 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12654 GLIBC_DYNAMIC_LINKER.
12655 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12656 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12657 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12658 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12659 * doc/invoke.texi (GNU/Linux Options): New section.
12661 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12663 * config/sparc/sparc.md (setjmp): Rewrite.
12664 (setjmp_32): Delete.
12665 (setjmp_64): Likewise.
12667 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12669 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12672 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12674 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12677 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12679 PR rtl-optimization/26296
12680 * Makefile.in (loop-invariant.c): Add except.h dependency.
12681 * loop-invariant.c: Include except.h.
12682 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12684 2005-02-16 Paul Brook <paul@codesourcery.com>
12686 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12689 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12691 PR rtl-optimization/25636
12692 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12693 when deciding whether an insn is an initializing insn.
12695 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12697 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12698 (tree_code_size): Ditto.
12699 * tree.h (struct tree_memory_tag): Remove parent_var.
12700 (struct tree_struct_field_tag): New.
12703 (union tree_node): Add sft member.
12704 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12706 (create_sft): Add size and offset argument, set SFT_OFFSET and
12708 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12709 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12710 * tree-flow-inline.h (get_subvar_at): Update for
12711 SFT_OFFSET/SFT_SIZE.
12712 (var_can_have_subvars): Ditto.
12713 (overlap_subvar): Ditto.
12714 * print-tree.c (print_node): Print out interesting things for
12716 * tree-flow.h (struct subvar): Remove offset and size members.
12717 * tree-ssa-operands.c (get_expr_operands): Update for
12718 get_indirect_ref_operands changes.
12719 (get_indirect_ref_operands): Call add_virtual_operand instead of
12720 add_stmt_operand. Only recurse on base var if requested.
12721 (access_can_touch_variable): New function.
12722 (add_stmt_operand): Split virtual operand handling into ...
12723 (add_virtual_operand): Here. Add offset, size, and for_clobber
12724 arguments. Prune alias sets.
12725 (add_call_clobber_ops): Call add_virtual_operand.
12727 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12729 PR middle-end/26300
12730 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12732 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12733 than TREE_CODE as index into omp_clause_num_ops array.
12735 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12737 PR rtl-optimization/26184
12738 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12740 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12741 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12742 must_precede, must_follow and tobe_scheduled.
12745 * opts.c (common_handle_option): Free new_option pointer.
12746 * df-core.c (df_analyze): Free postorder pointer.
12748 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12750 * Makefile.in: Fix the examples about the use of stamps
12752 2006-02-15 Michael Matz <matz@suse.de>
12754 PR middle-end/22275
12756 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12757 influenced by maximum_field_alignment or DECL_PACKED.
12758 (update_alignment_for_field): Ditto.
12759 (place_field): Ditto.
12760 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12763 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12765 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12766 (debug_flow_info): Pass it.
12767 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12768 * bb-reorder.c (reorder_basic_blocks): Likewise.
12769 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12770 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12771 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12772 * gcse.c (gcse_main, bypass_jumps): Likewise.
12773 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12774 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12775 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12776 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12777 * rtl.h (dump_flow_info): Adjust prototype.
12778 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12779 * var-tracking.c (variable_tracking_main): Likewise.
12780 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12781 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12784 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12786 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12789 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12791 PR tree-optimization/26209
12792 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12793 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12795 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12797 2006-02-14 Roger Sayle <roger@eyesopen.com>
12799 PR middle-end/23670
12800 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12801 (X,Y) and the corresponding symmetry related transformations.
12802 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12803 (X,Y) and its symmetry related transformations.
12805 2006-02-14 Roger Sayle <roger@eyesopen.com>
12807 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12810 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12812 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12814 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12817 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12818 support COMDAT group.
12819 * configure: Regenerate.
12821 2006-02-14 Roger Sayle <roger@eyesopen.com>
12823 PR middle-end/26279
12824 PR middle-end/26280
12825 PR middle-end/26283
12826 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12828 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12830 Fix PR tree-optimization/26260
12832 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12834 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12835 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12836 * tree-ssa-structalias.c (create_variable_info_for): Use
12837 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12839 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12841 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12843 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12844 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12845 of the ending condition.
12846 * tree-ssa-loop-manip.c: Include params.h.
12847 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12848 tree_unroll_loop): New functions.
12849 * tree-pass.h (pass_loop_prefetch): Declare.
12850 * loop.c (rest_of_handle_loop_optimize): Test for
12851 -fprefetch-loop-arrays-rtl.
12852 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12853 * timevar.def (TV_TREE_PREFETCH): New timevar.
12854 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12855 pass_loop_prefetch): New.
12856 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12857 (cleanup_tree_cfg_loop): Call scev_reset.
12858 * common.opt (fprefetch-loop-arrays-rtl): Add.
12859 * tree-ssa-loop-prefetch.c: New file.
12860 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12861 (new_temp_expr_table): Initialize expr_vars.
12862 (free_temp_expr_table): Cleanup expr_vars.
12863 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12864 expressions from being merged into one.
12865 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12866 (struct tree_niter_desc): Add control, bound and cmp fields.
12867 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12869 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12870 (tree-cfgcleanup.o): Add SCEV_H dependency.
12871 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12872 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12874 2006-02-14 Richard Guenther <rguenther@suse.de>
12876 PR tree-optimization/26258
12877 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12878 in PHI argument processing.
12880 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12882 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12883 new expression in the requested machine mode.
12885 2006-02-13 Roger Sayle <roger@eyesopen.com>
12887 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12888 directly, instead let do_compare_rtx_and_jump handle this for us.
12889 * expr.c (expand_expr_real_1): Likewise.
12890 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12891 before do_jump_by_parts_greater.
12892 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12893 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12895 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12897 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12899 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12901 PR rtl-optimization/26235
12902 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12903 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12906 2006-02-13 Jeff Law <law@redhat.com>
12908 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12911 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12913 PR middle-end/26092
12914 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12915 twice if decl is a builtin. When trying again, call get_callee_fndecl
12916 first to verify it is still a builtin.
12918 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12920 * dwarf2out.c (base_type_die): Don't add AT_name here.
12921 (subrange_type_die): Don't add AT_name here.
12922 (modified_type_die): Rearrange code flow. Do add AT_name here.
12924 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12926 PR rtl-optimization/26247
12927 PR rtl-optimization/26248
12928 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12930 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12932 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12933 * config/fixtfdi.c: Likewise.
12934 * config/fixunstfdi.c: Likewise.
12935 * config/floatditf.c: Likewise.
12937 2006-02-13 Roger Sayle <roger@eyesopen.com>
12939 PR middle-end/24427
12940 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12941 into (X,C2) if C1 is a subset of the bits of C2. Transform
12942 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12944 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12946 2006-02-13 Josh Conner <jconner@apple.com>
12949 * varasm.c (function_section): Check for section name before
12950 calling select_section on targets that define
12951 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12952 unlikely_text_section instead of hot_function_section if
12953 first_function_block_is_cold.
12955 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12957 PR middle-end/25335
12958 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12960 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12962 PR rtl-optimization/26222
12963 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12964 after tree->rtl expansion.
12965 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12966 before passing it to emit_move_insn.
12968 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12970 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12972 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12973 Clarify documentation.
12974 * c-common.h (warn_write_strings): Remove.
12975 * c-common.c (warn_write_strings): Likewise.
12976 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12979 2006-02-12 Roger Sayle <roger@eyesopen.com>
12981 PR middle-end/25724
12982 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12983 (do_jump_parts_zero_rtx): New function renamed from
12984 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12985 (do_jump_parts_equality_rtx): New function split out from
12986 do_jump_parts_equality. Old implementation renamed as above.
12987 Call do_jump_parts_zero_rtx if either operand is zero.
12988 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12989 do all of the heavy lifting.
12990 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12991 calling either do_jump_by_parts_greater_rtx or
12992 do_jump_by_parts_equality_rtx.
12993 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12994 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12995 moved to do_compare_rtx_and_jump, call it directly.
12996 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12997 mode argument. Call do_compare_rtx_and_jump.
12998 (emit_case_nodes): Update calls to do_jump_if_equal.
13000 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13002 PR rtl-optimization/26225
13003 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13007 PR rtl-optimization/26232
13008 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13010 2006-02-11 Jason Merrill <jason@redhat.com>
13013 * tree-inline.c (declare_return_variable): Just don't use the
13014 modify target if it's a gimple complex reg and the return slot
13017 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13019 * doc/contrib.texi: Update my entry.
13021 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13023 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13025 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13027 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13030 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13032 * doc/invoke.texi (-floop-optimize2): Removed.
13033 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13034 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13035 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13036 * common.opt (floop-optimize2): Removed.
13037 (fmove-loop-invariants): Enabled by default.
13039 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13041 * tree-if-conv.c (combine_blocks): Free the result of
13042 get_loop_exit_edges.
13044 2006-02-10 Jeff Law <law@redhat.com>
13046 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13048 PR tree-optimization/26213
13049 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13050 loop trying to follow SSA_NAME_VALUE chains.
13052 2006-02-10 Richard Guenther <rguenther@suse.de>
13054 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13055 deal with structures that end in implicitly variable sized arrays.
13057 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13059 PR rtl-optimization/24762
13060 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13063 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13065 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13066 (struct ivopts_data): Add regs_used field.
13067 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13068 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13069 instead of loop_data->regs_used;
13070 (free_loop_data): Do not free aux fields for loops.
13071 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13072 and tree_ssa_iv_optimize_finalize.
13074 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13076 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13078 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13081 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13082 computing the effective result type.
13084 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13086 PR inline-asm/16194
13087 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13088 (tree_overlaps_hard_reg_set): Declare.
13089 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13090 type and signature to match function type expected by walk_tree.
13091 (tree_overlaps_hard_reg_set): New function.
13092 (decl_conflicts_with_clobbers_p): Rename to:
13093 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13094 Use tree_overlaps_hard_reg_set. Changed caller.
13095 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13096 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13097 * cris.c (cris_md_asm_clobbers): Likewise.
13099 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13101 * reload1.c (emit_input_reload_insns): Delete code that tries to
13102 inherit using find_equiv_reg.
13104 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13106 * c-common.h (flag_const_strings): Don't declare.
13107 * c-common.c (flag_const_strings): Remove.
13108 * c.opt (fconst_strings): Remove.
13109 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13110 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13111 (c_common_init_options): Don't set flag_const_strings.
13112 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13114 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13116 * arm.md (tlobits_cbranch): New pattern.
13117 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13118 testing a single bit.
13120 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13123 * tree-ssa-pre.c (create_component_ref_by_pieces):
13124 Handle RETURN_DECL like VAR_DECL.
13126 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13128 PR middle-end/26134
13129 * fold-const.c (fold_indirect_ref_1): Fold
13130 "*(foo *)&complexfoo" to "__real__ complexfoo"
13131 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13133 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13135 * tree-flow-inline.h (var_can_have_subvars):
13136 Volatile variables should not have subvariables.
13138 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13141 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13142 multiplying unsigned values.
13145 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13147 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13149 2006-02-08 Jason Merrill <jason@redhat.com>
13152 * tree.def: Elaborate on difference from MODIFY_EXPR.
13153 * doc/c-tree.texi (INIT_EXPR): Likewise.
13154 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13155 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13156 (gimplify_target_expr): Likewise.
13157 (gimplify_cond_expr): Remove target handling.
13158 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13159 (gimplify_expr): Clobber it here.
13160 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13161 Do return slot optimization if we have an INIT_EXPR.
13164 * tree-inline.c (declare_return_variable): Also clear
13165 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13168 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13170 PR middle-end/22439
13171 * gimplify.c (gimplify_one_sizepos): Fix typo.
13173 2006-02-08 Jeff Law <law@redhat.com>
13175 PR tree-optimization/21417
13176 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13177 across a backedge if the control statement at the end of the
13178 block is data dependent on other statements in the same block.
13179 (record_temporary_equivalences_from_stmts): Remove over-conservative
13180 test for threading across backedges.
13182 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13183 control statement, handle all three special cases in the same
13184 manner as they all have the same desired solution. No longer
13185 special case edge flag updating when the post dominator is
13188 2006-02-08 Roger Sayle <roger@eyesopen.com>
13190 * tree.def (CHAR_TYPE): Remove.
13191 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13192 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13193 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13194 (gen_string_type_die): Delete unreachable function.
13196 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13197 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13198 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13199 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13200 * builtins.c (type_to_class): Likewise.
13201 * fold-const.c (fold_convert, build_range_check,
13202 merge_ranges): Likewise.
13203 * expr.c (count_type_elements): Likewise.
13204 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13205 * stor-layout.c (layout_type): Likewise.
13206 * ipa-type-escape.c (type_to_consider): Likewise.
13207 * gimplify.c (omp_firstprivatize_type_sizes,
13208 gimplify_type_sizes): Likewise.
13209 * explow.c (promote_mode): Likewise.
13210 * tree-sra.c (is_sra_scalar_type): Likewise.
13211 * varasm.c (output_constant): Likewise.
13212 * tree-inline.c (remap_type_1): Likewise.
13213 * convert.c (convert_to_pointer, convert_to_real,
13214 convert_to_integer, convert_to_complex): Likewise.
13216 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13218 * df-scan.c (df_def_record_1): A set destination may
13219 be a parallel regardless of mode.
13221 2006-02-08 Roger Sayle <roger@eyesopen.com>
13224 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13225 * config/mips/_tilib.c: Remove.
13226 * config/fixtfdi.c: New libgcc source file.
13227 * config/fixunstfdi.c: New source file.
13228 * config/floatditf.c: New source file.
13229 * config/floatunditf.c: New souce file.
13230 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13231 files above instead of config/mips/_tilib.c.
13232 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13234 2006-02-08 Jeff Law <law@redhat.com>
13236 PR tree-optimization/26169
13237 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13240 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13242 * df.h (DF_REG_SIZE): Return the length of the initialized
13245 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13247 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13248 __muldf3): Return a correctly signed zero.
13250 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13252 * passes.c (register_one_dump_file): Accept the current properties
13253 instead of pass number. Adjust call to dump_register. Remove
13255 (register_dump_files): Now a wrapper around...
13256 (register_dump_files_1): ... this one. Do not modify the pass
13258 (next_pass_1): Cosmetic fix.
13259 (execute_todo): Keep second parameter only. Use curr_properties
13260 instead of fetching it from the pass structure. Check and set
13262 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13263 instead of fetching it from the pass structure. Fix calls to
13264 execute_todo. Update curr_properties and initialize .vcg RTL dump
13265 after running the pass. Reset last_verified.
13266 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13268 (FIRST_AUTO_NUMBERED_DUMP): New.
13269 (dump_register): Remove "num" parameter, assign it within the
13271 (get_dump_file_name): Modify template for dumps.
13272 * tree-dump.h (dump_register): Adjust prototype.
13273 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13274 (PROP_trees): Add PROP_gimple_lomp.
13275 (TODO_set_props): New.
13276 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13277 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13278 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13280 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13282 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13283 (sparc64-*-linux*): Likewise.
13284 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13285 * config/sparc/t-linux: New file.
13286 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13287 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13288 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13289 -m32 -mlong-double-128.
13291 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13292 * config/alpha/t-linux: New file.
13293 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13295 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13296 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13297 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13298 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13299 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13300 (CPP_ARCH32_SPEC): Remove.
13302 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13304 PR tree-optimization/26145
13305 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13308 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13311 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13312 >= 240000 when generating code for SOM runtime.
13313 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13314 to $$dyncall when generating code for SOM runtime..
13316 2006-02-07 Dirk Mueller <dmueller@suse.com>
13319 * doc/invoke.texi (-Wsequence-point): Update documentation
13320 that -Wsequence-point is implemented for C++ as well.
13322 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13324 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13325 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13326 (LIB_SPEC): Likewise.
13327 * doc/invoke.texi (SPARC options): Document -pthread.
13329 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13331 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13334 2006-02-07 Roger Sayle <roger@eyesopen.com>
13336 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13337 Correct comment describing BOOLEAN_TYPE.
13339 2006-02-07 Dirk Mueller <dmueller@suse.com>
13341 * c.opt: C++ frontend supports -Wdiv-by-zero.
13342 * c-opts.c (c_common_handle_option): Remove dead case.
13344 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13346 * configure.ac (TLS assembler check): Do not enable TLS by
13347 default on SPARC/Solaris before version 10.
13348 * configure: Regenerate.
13350 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13352 * doc/invoke.texi (xl-compat): Document conversion and support
13355 2006-02-07 Jeff Law <law@redhat.com>
13357 * tree-vrp.c (find_conditional_asserts): Update comments.
13358 (simplify_stmt_for_jump_threading): New.
13359 (identify_jump_threads, finalize_jump_threads): New.
13360 (vrp_finalize): Call identify_jump_threads.
13361 (execute_vrp): Call finalize_jump_threads.
13362 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13363 (vrp_element, vrp_data, vrp_element_p): Remove.
13364 (vrp_hash_elt, vrp_variables_stack): Remove.
13365 (vrp_hash, vrp_eq, record_range): Remove.
13366 (simplify_cond_and_lookup_avail_expr): Remove.
13367 (extract_range_from_cond): Remove.
13368 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13369 (simplify_stmt_for_jump_threading): New.
13370 (dom_thread_across_edge): New wrapper.
13371 (tree_ssa_dominator_optimize): No longer initialize or
13372 finalize any of the VRP datastructures. Remove iteration
13373 step and simplify as a result of removal of iteration step.
13374 (pass_dominator): Perform a cfg cleanup after DOM.
13375 (dom_opt_finalize_block): Use the new common routines
13376 for threading jumps. Simplify stack management slightly.
13377 No longer need to unwind VRP state.
13378 (record_equivalences_from_incoming_edge): No longer record
13380 (eliminate_redundant_computations): No longer call
13381 simplify_cond_and_lookup_avail_expr.
13382 * tree-flow.h (potentially_threadable_block): Prototype.
13383 (thread_across_edge): Likewise.
13384 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13385 (tree-ssa-threadedge.o): Add dependencies.
13386 * tree-ssa-threadedge.c: New file.
13387 * passes.c (init_optimization_passes): Merge PHIs before
13388 calling VRP. Run VRP again late in the SSA optimization pipeline.
13390 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13392 * df-core.c (df_set_blocks): Do not dereference function pointers.
13393 (df_finish1): Likewise.
13394 (df_hybrid_search_forward): Likewise.
13395 (df_hybrid_search_backward): Likewise.
13396 (df_iterative_dataflow): Likewise.
13397 (df_analyze_problem): Likewise.
13398 (df_compact_blocks): Likewise.
13399 (df_dump): Likewise.
13400 * df-scan.c (df_rescan_blocks): Likewise.
13401 (df_record_entry_block_defs): Likewise.
13403 * genconditions.c (write_conditions): Guard the definition of
13404 'insn_conditions' with the check on GCC version.
13405 (write_writer): Guard the traversal 'insn_conditions' with
13406 the check on GCC version.
13408 2006-02-07 Richard Guenther <rguenther@suse.de>
13412 2006-01-30 Richard Guenther <rguenther@suse.de>
13414 * gimplify.c (gimplify_target_expr): Handle easy cases
13415 without creating a temporary.
13417 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13419 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13420 use of float in probability computations. Use edge probabilities
13421 in place of statically computed probabilities.
13422 (min_spec_prob): New static variable.
13423 (schedule_insns): Initialize it.
13424 (GET_SRC_PROB): Removed.
13425 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13427 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13430 * config/ia64/unwind-ia64.c: Revert last change.
13431 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13432 (INCOMING_FRAME_SP_OFFSET): Define.
13434 2006-02-06 Roger Sayle <roger@eyesopen.com>
13436 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13438 2006-02-07 Ben Elliston <bje@au.ibm.com>
13440 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13441 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13442 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13443 (ix86_return_in_memory): Handle TDmode.
13444 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13445 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13447 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13449 * reorg.c (dbr_schedule): Use dump_file instead of file.
13451 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13454 * config/ia64/predicates.md (extr_len_operand): New predicate.
13455 * config/ia64/ia64.md (extv): Tighten constraints.
13457 (*tbit_and_2): Ditto.
13458 (*tbit_and_3): Ditto.
13459 (*tbit_or_2): Ditto.
13460 (*tbit_or_3): Ditto.
13461 (*bit_zero): Ditto.
13464 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13467 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13469 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13471 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13472 loop_optimizer_init and loop_optimizer_finalize
13473 * tree-ssa-sink.c (execute_sink_code): Ditto.
13474 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13475 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13476 tree_ssa_loop_done): Ditto.
13477 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13478 * sched-ebb.c: Include output.h.
13479 (schedule_ebbs): Do not use dump argument.
13480 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13481 * loop.c (loop_dump_stream): Removed.
13482 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13484 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13485 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13486 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13487 loop_iterations, strength_reduce, record_biv, record_giv,
13488 final_giv_value, check_final_value, check_ext_dependent_givs,
13489 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13490 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13491 dump_file instead of loop_dump_stream.
13492 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13493 argument dump_file.
13494 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13496 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13497 * haifa-sched.c: Include output.h
13498 (schedule_insns, sched_init): Do not use dump argument.
13499 * mode-switching.c (optimize_mode_switching): Ditto.
13500 * modulo-sched.c (stats_file): Removed.
13501 (print_node_sched_params): Do not call argument dump_file.
13502 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13503 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13505 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13507 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13508 rtl_loop_init, rtl_loop_done): Ditto.
13509 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13510 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13512 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13513 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13514 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13515 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13516 * emit-rtl.c (renumber_insns): Ditto.
13517 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13518 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13519 * regclass.c (regclass): Ditto.
13520 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13521 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13522 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13523 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13525 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13526 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13528 * gcse.c (gcse_file, debug_stderr): Removed.
13529 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13530 rest_of_handle_gcse): Do not use dump argument.
13531 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13532 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13533 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13534 compute_code_hoist_vbeinout, compute_code_hoist_data,
13535 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13536 compute_store_table, build_store_vectors, insert_insn_start_bb,
13537 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13538 store_motion): Use dump_file instead of gcse_file.
13539 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13540 * profile.c (profile_dump_file): Removed.
13541 (branch_prob): Use dump_file instead of profile_dump_file.
13542 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13544 * tree-ssa-copy.c (dump_copy_of): Ditto.
13545 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13546 dump file to life_analysis.
13547 * bt-load.c (branch_target_load_optimize): Ditto.
13548 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13550 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13551 regclass, dbr_schedule): Declaration changed.
13552 * sched-int.h (sched_init): Declaration changed.
13553 * tree-profile.c (tree_profile_dump_file): Removed.
13554 (tree_profile_hooks): Removed profile_dump_file hook.
13555 * rtl-profile (rtl_profile_dump_file): Removed.
13556 (rtl_profile_hooks): emoved profile_dump_file hook.
13557 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13559 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13560 * tree-cfg.c (build_tree_cfg): Ditto.
13561 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13562 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13563 Declaration changed.
13564 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13565 life_analysis and schedule_insns.
13566 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13568 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13570 * config/mips/mips.c (mips_reorg): Ditto.
13571 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13574 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13576 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13577 (s390_mangle_fundamental_type): New.
13578 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13581 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13582 (alpha_mangle_fundamental_type): New.
13583 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13586 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13588 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13590 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13591 (sparc_mangle_fundamental_type): New.
13593 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13595 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13596 (s390x-*-linux*): Likewise.
13597 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13598 * config/s390/t-linux: New file.
13600 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13602 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13603 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13605 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13607 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13608 (ANTIC_SAFE_LOADS): New macro.
13609 (find_or_generate_expression): Add prototype.
13610 (set_contains_value): Allow null set for sake of not always having
13611 to allocate ANTIC_SAFE_LOADS.
13612 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13613 Allow COMPONENT_REF too.
13614 (valid_in_set): Allow COMPONENT_REF.
13615 Check ANTIC_SAFE_LOADS too.
13616 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13617 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13619 (can_PRE_operation): Add COMPONENT_REF.
13620 (create_component_ref_by_pieces): New function.
13621 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13622 (insert_aux): Move AGGREGATE_TYPE_P check here.
13623 (compute_avail): Set bb local stmt uids.
13624 (pass_pre): Use TODO_update_ssa_only_virtuals.
13626 2006-02-06 Ben Elliston <bje@au.ibm.com>
13628 * configure.ac: Unconditionally disable decimal float by default.
13629 * configure: Regenerate.
13631 2006-02-06 Ben Elliston <bje@au.ibm.com>
13633 * read-rtl.c (read_name): Terminate reading on EOF.
13635 2006-02-06 Ben Elliston <bje@au.ibm.com>
13637 * dfp.c (decimal_real_arithmetic): Change second argument type
13638 from int to enum tree_code. Do not always return true, but now
13639 return result of any call to decimal_do helper functions.
13640 * dfp.h (decimal_real_arithmetic): Update prototype.
13642 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13644 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13646 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13649 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13652 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13654 * tree-vrp.c (cfg_loops): Removed.
13655 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13656 Use current_loops instead of cfg_loops. Pass flags to
13657 loop_optimizer_init.
13658 * cfgloopmanip.c (fix_loop_structure): Update only available
13660 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13661 loop_optimizer_init.
13662 * modulo-sched.c (build_loops_structure): Removed.
13663 (sms_schedule): Use loop_optimizer_init.
13664 * loop-init.c (loop_optimizer_init): Use flags to determine
13665 which properties of loops to prepare.
13666 (rtl_loop_init): Pass flags to loop_optimizer_init.
13667 * tree-ssa-sink.c (execute_sink_code): Ditto.
13668 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13669 * tree-ssa-pre.c (init_pre): Ditto.
13670 * cfgloop.h (LOOPS_NORMAL): New.
13671 (loop_optimizer_init): Declaration changed.
13673 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13675 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13676 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13678 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13680 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13682 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13683 * pa/t-pa64: Delete quadlib.c rule.
13684 * pa/x-ada: Revert last change.
13685 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13687 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13689 PR rtl-optimization/26087
13690 * rtlanal.c (canonicalize_condition): Do not cross basic block
13693 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13696 * config/ia64/ia64.c: Include debug.h.
13697 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13698 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13699 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13700 (process_epilogue, process_set, process_for_unwind_directive):
13701 Output unwind info only if requested. Add CFA info if requested.
13702 Add new arguments as needed. Adjust callers.
13703 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13705 (DWARF2_FRAME_INFO): Define to zero.
13706 * config/ia64/unwind-ia64.c: Remove code that compensated for
13707 the CFA offset error fixed above.
13708 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13709 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13710 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13711 -funwind-tables and -fexceptions to enable frame info.
13712 (dwarf2out_frame_init): Define initial CFA even if
13713 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13714 DWARF2_UNWIND_INFO is nonzero, not just defined.
13715 (dwarf2out_frame_finish): Output non-EH call frame info only
13716 if DWARF2_FRAME_INFO is nonzero.
13717 (convert_cfa_to_loc_list,
13718 compute_frame_pointer_to_cfa_displacement): Define even if
13719 unwind info is not supported.
13720 (gen_subprogram_die): Use the above unconditionally. Remove
13721 legacy alternate code.
13722 * toplev.c (compile_file): Compile in call to
13723 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13724 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13726 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13727 Jakub Jelinek <jakub@redhat.com>
13729 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13730 IBM extended float format long double as "g" on powerpc*-linux.
13732 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13735 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13736 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13738 2006-02-03 Jason Merrill <jason@redhat.com>
13741 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13743 PR middle-end/25977
13744 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13745 on the return slot if it's an NRV.
13747 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13749 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13750 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13751 rewrite_use): Do not handle USE_OUTER.
13752 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13753 add_iv_outer_candidates, may_replace_final_value,
13754 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13755 (find_interesting_uses_op): Functionality of
13756 find_interesting_uses_outer_or_nonlin moved here.
13757 (find_interesting_uses_outside): Use find_interesting_uses_op.
13759 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13762 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13764 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13765 Ulrich Weigand <uweigand@de.ibm.com>
13768 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13769 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13770 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13771 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13773 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13774 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13775 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13776 Define secondary reloads for TFmode moves.
13777 (constant_modes): Add TFmode.
13778 (NR_C_MODES): Set to 8.
13779 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13781 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13782 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13783 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13784 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13785 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13786 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13787 (FPR mode macro): Add TFmode.
13788 (DSF mode macro): New.
13789 (<de>, <dee> mode attributes): Removed.
13790 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13791 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13792 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13793 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13794 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13795 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13796 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13797 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13798 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13799 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13800 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13801 "*negabs<mode>2", "sqrt<mode>2"):
13802 Changed <de> to <xde>. R constraint replaced by <Rf>.
13803 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13805 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13806 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13807 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13809 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13810 "extenddftf2", "extendsftf2"): New expanders.
13811 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13812 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13813 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13814 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13816 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13817 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13818 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13819 __floatditf): Add a GCC_4.1.0 symbol version tag.
13820 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13823 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13826 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13827 Use targetm.binds_local_p instead of TREE_PUBLIC.
13829 2006-02-02 Roger Sayle <roger@eyesopen.com>
13831 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13832 on INTEGER_TYPEs to indicate that it denotes a character type.
13833 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13834 signed_char_type_node, unsigned_char_type_node and char_type_node.
13835 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13836 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13837 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13839 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13840 Daniel Berlin <dberlin@dberlin.org>
13842 * tree-tailcall.c (arg_needs_copy_p): New function.
13843 (eliminate_tail_call): Use arg_needs_copy_p.
13844 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13845 (add_virtual_phis): New function.
13847 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13849 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13850 #ignore instead of #scratch for %g7 .register directive.
13852 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13854 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13857 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13859 * flow.c (calculate_global_regs_live): Assert that there aren't any
13862 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13864 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13865 what its name says.
13866 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13867 bsi_after_labels iterator.
13868 * tree-if-conv.c (find_phi_replacement_condition,
13869 replace_phi_with_cond_modify_expr): Likewise.
13870 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13871 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13873 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13875 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13877 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13880 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13881 array after growing it.
13883 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13885 PR middle-end/24901
13886 * fold-const.c (fold_checksum_tree): Change type of buf.
13888 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13890 * reload.c (push_secondary_reload): Initialize t_icode.
13892 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13894 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13895 -msoft-float -mlong-double-128 only issue a warning, but don't
13896 swich to DFmode long double.
13898 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13900 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13901 has a constant equivalent, iterate over equivalents for arg0,
13902 calling simplify_relational_operation and if there's a result
13903 cheaper than X, apply fold_rtx and return the result.
13905 2006-02-01 Jan Hubicka <jh@suse.cz>
13907 * opts.c (no_unit_at_a_time_default): New global variable.
13908 (decode_options): Use it.
13909 * opts.h (no_unit_at_a_time_default): Declare.
13911 2006-02-01 Paul Brook <paul@codesourcery.com>
13913 * function.c (assign_parm_setup_reg): Use function argument promotion
13915 * expr.c (expand_expr_real_1): Use function argument promotion rules
13918 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13920 * gcc.c (process_command): Change j to 'unsigned int'.
13922 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13924 PR middle-end/26001
13925 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13926 Use the corrected index for the character
13927 out of the string constant.
13929 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13931 * mode-switching.c (optimize_mode_switching): Fix size
13932 allocated for bb_info[n_entities].
13934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13936 * gcc.c (main): Correct type that is allocated for
13937 explicit_link_files.
13939 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13941 * config/s390/s390.c (init_alignment_context): Set
13942 ALIAS_SET_MEMORY_BARRIER on the MEM.
13943 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13945 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13947 PR middle-end/25933
13948 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13950 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13953 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13955 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13956 * regrename.c: Ditto.
13957 * tree-ssa-loop-im.c: Ditto.
13958 * tree-dump.c: Ditto.
13959 * tree-complex.c: Ditto.
13960 * genrecog.c: Ditto.
13961 * tree-ssa-threadupdate.c: Ditto.
13963 * java/class.c: Ditto.
13964 * java/jcf-parse.c: Ditto.
13965 * java/resource.c: Ditto.
13966 * java/except.c: Ditto.
13967 * java/jvspec.c: Ditto.
13968 * java/jcf-write.c: Ditto.
13969 * java/jcf-path.c: Ditto.
13970 * java/gjavah.c: Ditto.
13971 * java/zextract.c: Ditto.
13972 * java/jcf-io.c: Ditto.
13973 * java/jcf.h: Ditto.
13974 * java/buffer.c: Ditto.
13975 * java/lang.c: Ditto.
13976 * java/parse-scan.y: Ditto.
13977 * java/lex.c: Ditto.
13978 * java/lex.h: Ditto.
13979 * cfgloopmanip.c: Ditto.
13980 * postreload-gcse.c: Ditto.
13981 * tree-ssa-loop-manip.c: Ditto.
13982 * postreload.c: Ditto.
13983 * tree-ssa-loop-ch.c: Ditto.
13986 * cppspec.c: Ditto.
13987 * diagnostic.c: Ditto.
13989 * genoutput.c: Ditto.
13991 * cfghooks.c: Ditto.
13992 * cfgloopanal.c: Ditto.
13993 * objc/objc-act.c: Ditto.
13995 * genextract.c: Ditto.
13996 * genautomata.c: Ditto.
13997 * pretty-print.c: Ditto.
13998 * genemit.c: Ditto.
13999 * cgraphunit.c: Ditto.
14001 * df-scan.c: Ditto.
14002 * haifa-sched.c: Ditto.
14003 * dominance.c: Ditto.
14005 * tree-ssa-loop-ivopts.c: Ditto.
14006 * df-core.c: Ditto.
14007 * mode-switching.c: Ditto.
14008 * modulo-sched.c: Ditto.
14010 * ipa-pure-const.c: Ditto.
14012 * fix-header.c: Ditto.
14014 * tree-stdarg.c: Ditto.
14015 * ipa-utils.c: Ditto.
14016 * loop-init.c: Ditto.
14017 * ipa-inline.c: Ditto.
14018 * cfganal.c: Ditto.
14020 * alloc-pool.c: Ditto.
14021 * dwarf2out.c: Ditto.
14023 * genattrtab.c: Ditto.
14024 * tree-ssa-loop-ivcanon.c: Ditto.
14025 * predict.c: Ditto.
14026 * timevar.c: Ditto.
14028 * fortran/gfortranspec.c: Ditto.
14029 * regmove.c: Ditto.
14030 * local-alloc.c: Ditto.
14031 * langhooks.c: Ditto.
14032 * function.c: Ditto.
14033 * tree-vectorizer.c: Ditto.
14035 * ipa-type-escape.c: Ditto.
14037 * tree-if-conv.c: Ditto.
14038 * profile.c: Ditto.
14040 * tree-data-ref.c: Ditto.
14041 * loop-unroll.c: Ditto.
14042 * treelang/treetree.c: Ditto.
14044 * bt-load.c: Ditto.
14045 * ggc-common.c: Ditto.
14047 * coverage.c: Ditto.
14049 * tree-cfgcleanup.c: Ditto.
14050 * tree-ssa-pre.c: Ditto.
14051 * cfgcleanup.c: Ditto.
14052 * loop-invariant.c: Ditto.
14053 * loop-iv.c: Ditto.
14054 * ipa-prop.c: Ditto.
14055 * print-tree.c: Ditto.
14056 * conflict.c: Ditto.
14057 * ggc-page.c: Ditto.
14058 * sched-deps.c: Ditto.
14059 * regclass.c: Ditto.
14060 * tree-object-size.c: Ditto.
14061 * combine.c: Ditto.
14062 * bb-reorder.c: Ditto.
14063 * resource.c: Ditto.
14064 * var-tracking.c: Ditto.
14065 * cfgloop.c: Ditto.
14066 * df-problems.c: Ditto.
14067 * reg-stack.c: Ditto.
14069 * gccspec.c: Ditto.
14070 * sched-rgn.c: Ditto.
14071 * tree-ssa-structalias.c: Ditto.
14072 * tree-ssa-reassoc.c: Ditto.
14073 * config/darwin-c.c: Ditto.
14074 * config/darwin.c: Ditto.
14075 * config/arm/arm.c: Ditto.
14077 * collect2.c: Ditto.
14078 * reload1.c: Ditto.
14080 2006-01-31 Nicolas Pitre <nico@cam.org>
14082 * arm.md (smaxsi3): Make aware of smax_m1.
14085 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14087 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14089 2006-01-31 Richard Guenther <rguenther@suse.de>
14091 * doc/invoke.texi (-msselibm): Document.
14092 * target.h (expand_library_builtin): New target hook.
14093 * builtins.c (expand_builtin): Use expand_library_builtin.
14094 (default_expand_library_builtin): New function.
14095 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14096 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14097 (link_gcc_math_spec): Declare.
14098 (static_specs): Add link_gcc_math_spec.
14099 * expr.h (default_expand_library_builtin): Declare.
14100 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14101 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14102 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14103 * config/i386/i386.opt (msselibm): New target option.
14104 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14105 (ix86_init_sse_abi_builtins): New function.
14106 (ix86_expand_library_builtin): Likewise.
14107 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14108 (override_options): Handle error conditions wrt -msselibm.
14109 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14110 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14111 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14114 2006-01-31 Richard Guenther <rguenther@suse.de>
14115 Paolo Bonzini <bonzini@gnu.org>
14117 * doc/install.texi (--disable-libgcc-math): Document.
14119 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14121 * expr.h (expand_normal): new inline function.
14122 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14123 * dojump.c: use it.
14124 * dwarf2out.c: use it.
14127 * expmed.c: use it.
14128 * except.c: use it.
14129 * config/sparc/sparc.c: use it.
14130 * config/i386/i386.c: use it.
14131 * config/rs6000/rs6000.c: use it.
14132 * config/arm/arm.c: use it.
14133 * config/mips/mips.c: use it.
14134 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14136 2006-01-30 Roger Sayle <roger@eyesopen.com>
14138 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14139 argv to the appropriate type.
14141 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14143 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14146 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14149 * config/s390/s390.c (struct machine_function): New flag
14150 decomposed_literal_pool_addresses_ok_p.
14151 (s390_reorg): Set it before final stage of literal pool transforms.
14152 (s390_decompose_address): Only accept displacements of the form
14153 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14155 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14157 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14158 the comparison routine return.
14160 2006-01-30 Michael Matz <matz@suse.de>
14162 * global.c (find_reg): Only evict for global regs.
14163 Take n_refs into account and dump more info.
14165 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14168 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14169 (pragma_trap, pragma_nosave_low_regs): Likewise.
14170 (current_function_anonymous_args): Likewise.
14171 (sh_deferred_function_attributes): New variable.
14172 (sh_deferred_function_attributes_tail): Likewise.
14173 (print_operand): For '@', look up trap_exit attribute.
14174 (calc_live_regs): Look up trapa_handler attribute. For trapa
14175 handlers, save/restore fpscr, but don't do any other
14176 interrupt-specific saves.
14177 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14178 Fix check for partially saved registers to check for SHmedia.
14179 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14180 (sh_output_function_epilogue): Don't clear any of the removed
14182 (sh_insert_attributes): Don't check pragma_interrupt.
14183 Insert deferred attributes. Check that interrupt attribute is
14184 present for other attributes that require its presence.
14185 (sh_attribute_table): Add new attributes trapa_handler and
14187 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14188 Don't check for pragma_interrupt. Don't store argument.
14189 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14190 (sh_deferred_function_attributes): Declare.
14191 (sh_deferred_function_attributes_tail): Likewise.
14192 * sh.md (sp_switch_1): Add operand. Change generator caller.
14193 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14194 (*return_i): Don't use when trap_exit attribute is in effect.
14195 (*return_trapa): New insn pattern.
14196 * sh-c.c: New file.
14197 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14198 setting c_target_objs and cxx_target_objs.
14199 * t-sh: Add rule for sh-c.o.
14201 2006-01-30 Richard Guenther <rguenther@suse.de>
14204 * gimplify.c (gimplify_target_expr): Handle easy cases
14205 without creating a temporary.
14207 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14209 * vec.h (safe_grow): Remove duplicated line.
14211 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14214 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14215 (expand_omp): ... here.
14216 (expand_omp_parallel): Only remove barriers for combined
14217 parallel+workshare constructs.
14219 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14223 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14224 * tree.c (build_qualified_type): Chain the new type to the original
14225 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14226 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14227 (build_pointer_type_for_mode): Only return unqualified types.
14228 (build_reference_type_for_mode): Likewise.
14230 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14232 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14233 * Makefile.in (CXX_COMPAT_WARN): Define.
14234 * configure: Regenerate.
14236 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14239 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14242 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14244 * toplev.c: Fix thinko.
14246 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14247 Marcin Dalecki <martin@dalecki.de>
14249 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14250 (push_srcloc): Use XNEW.
14251 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14253 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14255 * df-core.c (df_set_blocks): Deleted all variable.
14257 2006-01-28 Ian Lance Taylor <ian@airs.com>
14259 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14260 cgraph_output_pending_asms.
14262 2006-01-28 Zack Weinberg <zackw@panix.com>
14264 * c.opt: Add -W(no-)overlength-strings.
14265 * doc/invoke.texi: Document it.
14266 * c-opts.c (c_common_handle_option): -pedantic implies
14267 -Woverlength-strings, if not explicitly disabled already.
14268 (c_common_post_options): -Woverlength-strings defaults to off, and
14269 is always off for C++.
14270 * c-common.c (fix_string_type): Issue warning about strings longer
14271 than is portable only if warn_overlength_strings. Rearrange code
14272 a little for clarity.
14273 * configure.in: Check for -Wno-overlength-strings as well before
14274 enabling -pedantic in stage 1.
14275 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14276 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14278 * genconditions.c (write_header, write_one_condition)
14279 (write_conditions, write_writer): Consolidate very long strings
14280 that were broken up to fit in C89 portable limit. Don't use
14281 printf when fputs will do.
14283 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14285 * combine.c (simplify_comparison <AND>): Check
14286 TRULY_NOOP_TRUNCATION before start using a subreg.
14288 * config/mips/mips.md (*branch_zero<mode>,
14289 *branch_zero<mode>_inverted, *branch_equality<mode>,
14290 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14291 Remove mode check from comparisons.
14293 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14295 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14297 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14299 * expmed.c (const_mult_add_overflow_p): Remove.
14300 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14302 * recog.c (validate_replace_rtx_subexp): Remove.
14303 * recog.h: Remove the prototype for
14304 validate_replace_rtx_subexp.
14306 * integrate.h: Remove the prototype for
14307 copy_decl_for_inlining.
14308 * rtl.h: Remove the prototype for mark_constant_function.
14309 * tree-vectorizer.h: Remove the prototype for
14310 vect_strip_conversion.
14312 * modulo-sched.c (create_partial_schedule,
14313 free_partial_schedule, reset_partial_schedule): Make them
14316 * hooks.c (hook_bool_rtx_int_false): Remove.
14317 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14319 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14321 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14322 and -mlong-double-128 are incompatible.
14323 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14324 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14325 (TARGET_LIBGCC2_CFLAGS): Define.
14326 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14327 (TARGET_LIBGCC2_CFLAGS): Same.
14328 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14330 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14333 * c-typeck.c (build_binary_op): Perform implicit casts of
14334 operands before shortening them.
14336 * cfgloopmanip.c (split_loop_bb): Remove.
14337 * cfgloop.h: Remove the prototype for split_loop_bb.
14339 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14340 * cfgloop.h: Remove the prototype for
14341 flow_loop_outside_edge_p.
14343 * emit-rtl.c (init_virtual_regs): Make it static.
14344 * function.h: Remove the prototype for init_virtual_regs.
14346 * recog.c (peephole2_optimize): Make it static.
14347 * recog.h: Remove the prototype for peephole2_optimize.
14349 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14351 * df-scan.c (df_record_entry_block_defs): Check if
14352 INCOMING_RETURN_ADDR_RTX is defined.
14354 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14355 Kenneth Zadeck <zadeck@naturalbridge.com>
14357 PR rtl-optimization/24762
14358 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14359 * targhooks.c (hook_void_bitmap): New hook prototype.
14360 * targhoohs.h (hook_void_bitmap): Ditto.
14361 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14362 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14363 * target.h (live_on_entry): New function pointer.
14364 * df-scan.c (df_all_hard_regs): Removed.
14365 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14366 (df_scan_free_internal): Added df->entry_block_defs.
14367 (df_scan_alloc): Ditto.
14368 (df_scan_dump): Ditto.
14369 (df_uses_record): Plumbed flag field properly thru calls.
14370 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14371 This part fixes PR24762.
14372 (df_bb_refs_record): Added code to make the frame and arg
14373 pointers live in EH blocks.
14374 (df_refs_record): Added call to df_record_entry_block_defs.
14375 (df_record_entry_block_defs): New function.
14376 * df-core.c: Added comments to describe new artifical defs.
14377 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14378 (entry_block_defs): New field in struct df.
14379 (df_all_hard_regs): Deleted.
14380 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14381 * df-problems.c (df_ru_bb_local_compute_process_def):
14382 Added code to handle artifical defs in the entry to a function.
14383 (df_ru_bb_local_compute): Ditto.
14384 (df_rd_bb_local_compute_process_def): Ditto.
14385 (df_rd_bb_local_compute): Ditto.
14386 (df_lr_bb_local_compute): Ditto.
14387 (df_ur_bb_local_compute): Ditto.
14388 (df_urec_bb_local_compute): Ditto.
14389 (df_chain_create_bb): Ditto.
14390 (df_ur_local_finalize): Removed entry.
14391 (df_urec_init): Ditto.
14392 (df_urec_local_finalize): Ditto.
14393 (df_ri_bb_compute): Added detection of last use of pseudos.
14394 * Makefile.in (df-scan.o): Updated dependencies.
14395 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14396 * config/mips/mips.c (mips_set_live_on_entry): Added.
14397 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14399 * dce.c (marked_insn_p): Added code to handle artifical defs.
14401 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14403 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14405 (_mm_cvtsi128_si64): Likewise.
14406 (_mm_cvtsd_si64): Likewise.
14407 (_mm_cvttsd_si64): Likewise.
14408 (_mm_cvtsi64_sd): Likewise.
14409 (_mm_cvtsi64_si128): Likewise.
14410 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14411 (_mm_cvtsi64_m64): Likewise.
14412 (_m_to_int64): Likewise.
14413 (_mm_cvtm64_si64): Likewise.
14414 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14415 (_mm_cvttss_si64): Likewise.
14416 (_mm_cvtsi64_ss): Likewise.
14417 (_mm_cvtss_f32): Likewise.
14419 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14421 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14422 for pragma redefine_extname.
14424 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14427 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14428 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14429 -mno-minimal-toc to previous content.
14430 (bispecs): Remove goal.
14431 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14432 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14433 compatibility aliases on powerpc-*-*gnu*.
14434 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14435 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14436 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14437 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14438 (ldblspecs): New goal.
14439 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14440 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14442 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14443 L_sf_to_tf or L_df_to_tf is defined.
14445 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14446 Alan Modra <amodra@bigpond.net.au>
14449 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14450 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14451 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14452 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14453 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14454 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14455 (rs6000_override_options): Initialize rs6000_ieeequad.
14456 Initialize TFmode format to ibm_extended_format if not
14458 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14460 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14461 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14462 (function_arg_advance): IBM long double passed in two FPRs, not
14464 (function_arg): IBM long double passed in FPRs.
14465 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14466 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14467 Only multireg GPR aligned.
14468 (rs6000_init_libfuncs): Enable IBM long double functions if not
14470 (rs6000_generate_compare): Use IBM long double compare if not
14472 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14473 (TARGET_IEEEQUAD): Define.
14474 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14475 not TARGET_IEEEQUAD.
14476 * config/rs6000/rs6000.md: Enable TFmode patterns if
14478 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14479 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14480 and -mlong-double-128 are incompatible.
14481 * doc/invoke.texi (-mabi): Collect options together. Add
14482 ibmlongdouble and ieeelongdouble.
14484 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14486 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14488 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14489 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14490 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14491 * rtl.h (rtunion_def): Remove rt_ptr.
14493 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14494 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14495 * config/i386/winnt.c (i386_pe_mark_dllexport)
14496 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14498 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14500 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14502 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14506 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14507 pthread_key_delete. From John David Anglin. gthrw-ify
14508 pthread_getunique_np only if it it's not a macro. Delete
14510 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14511 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14512 __gthread_objc_condition_signal, __gthread_key_delete): Add
14513 "__attribute__ ((__unused__))" to unused arguments.
14514 (__gthread_recursive_mutex_init_function): Add missing return.
14515 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14516 gthr-posix95.h: Use macro-based approach for name redirection
14517 on targets missing weakref.
14519 2006-01-26 Zack Weinberg <zackw@panix.com>
14521 * genconditions.c (write_header): In generated code, #ifdef out
14522 all includes and fake declarations, except includes of bconfig.h
14523 and system.h, unless GCC_VERSION >= 3001. Do not include
14524 gensupport.h in any case.
14525 (write_conditions): Generate a definition of struct c_test. Add
14526 a comment to the generated #endif.
14527 (write_one_condition): Escape backslashes in string too.
14528 (write_writer): Generated code must escape backslashes and quote
14529 marks (but not newlines) in the strings it writes.
14530 * Makefile.in (build/gencondmd.o): Update dependencies.
14532 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14535 * Makefile.in (insn-automata.o): Add header file dependencies.
14536 * genautomata.c: Add includes.
14538 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14541 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14543 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14545 * configure.ac: Expect target tools paths to be passed from the toplevel
14546 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14548 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14550 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14553 * c.opt (Wpointer-sign): Init to -1.
14554 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14555 OPT_pedantic, to 0 otherwise.
14556 * doc/invoke.texi: Update.
14558 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14560 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14561 constants provided by 80387 instructions in the destination mode.
14563 2006-01-26 Richard Guenther <rguenther@suse.de>
14564 Andrew Pinski <pinskia@physics.uc.edu>
14567 partial PR tree-opt/17064
14568 * tree-ssa-structalias.c (intra_create_variable_infos):
14569 Create heap variables for incoming parameters if
14570 flag_argument_noalias > 1.
14571 (find_what_p_points_to): Look through default defs of
14574 2006-01-26 Jeff Law <law@redhat.com>
14577 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14578 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14579 within the VR_RANGE, use the VR_RANGE as the result, not the
14581 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14582 bounds for the type.
14584 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14586 * tree-ssa-alias.c (maybe_create_global_var): Change
14587 subvar walking to an assertion that we don't have subvar'd variables.
14589 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14592 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14593 Use a new variable, inner. PARM_DECLs are always non-weak.
14595 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14597 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14598 --disable-checking.
14600 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14602 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14604 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14606 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14607 (smax_insn, smin_insn, smax_0, smin_0): New.
14609 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14612 * config/cris/cris.c (cris_order_for_addsi3): New function.
14613 * config/cris/cris-protos.h: Prototype it.
14614 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14615 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14616 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14617 (split for "op.S1 [rx=rx+i],ry (swapped)")
14618 (split for "op(s|u).S1 [rx=rx+i],ry")
14619 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14620 Apply cris_order_for_addsi3 when generating addsi3 insns.
14622 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14624 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14625 (TREE_BLOCK): Add call to EXPR_CHECK.
14627 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14630 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14631 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14632 (dump_omp_clauses): ... here.
14633 (dump_generic_node): Handle OMP_CLAUSE.
14634 * tree.c (omp_clause_num_ops): New.
14635 (omp_clause_code_name): New.
14636 (tree_code_size): Handle OMP_CLAUSE.
14637 (tree_size): Likewise.
14638 (make_node): Document handling of OMP_CLAUSE.
14639 (tree_node_structure): Handle OMP_CLAUSE.
14640 (omp_clause_check_failed): New.
14641 (omp_clause_range_check_failed): New.
14642 (omp_clause_operand_check_failed): New.
14643 (build_omp_clause): New.
14644 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14645 * tree.h (enum omp_clause_code): Declare.
14646 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14647 (OMP_CLAUSE_RANGE_CHECK): Define.
14648 (OMP_CLAUSE_ELT_CHECK): Define.
14649 (omp_clause_check_failed): Declare.
14650 (omp_clause_operand_check_failed): Declare.
14651 (omp_clause_range_check_failed): Declare.
14652 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14653 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14654 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14655 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14656 (OMP_CLAUSE_IF_EXPR): Likewise.
14657 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14658 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14659 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14660 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14661 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14662 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14663 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14664 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14665 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14666 (OMP_CLAUSE_CODE): Define.
14667 (OMP_CLAUSE_SET_CODE): Define.
14668 (OMP_CLAUSE_CODE): Define.
14669 (OMP_CLAUSE_OPERAND): Define.
14670 (struct tree_omp_clause): Declare.
14671 (union tree_node): Add field 'omp_clause'.
14672 * treestruct.def (TS_OMP_CLAUSE): Define.
14673 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14674 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14675 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14676 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14677 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14678 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14679 (OMP_CLAUSE): Define.
14680 * print-tree.c (print_node): Handle OMP_CLAUSE.
14681 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14682 * c-typeck.c: Likewise.
14683 * gimplify.c: Likewise.
14684 * c-omp.c: Likewise.
14685 * tree-nested.c: Likewise.
14686 * tree-inline.c: Likewise.
14687 * c-parser.c: Likewise.
14688 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14691 2006-01-25 Roger Sayle <roger@eyesopen.com>
14693 PR rtl-optimization/25703
14694 * combine.c (try_combine): Handle zero_extract and strict_low_part
14695 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14697 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14699 * global.c: Fix comment typos.
14701 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14704 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14705 Use output_addr_const instead of assemble_name.
14707 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14709 * Makefile.in (sched-vis.o): Update dependencies.
14710 * haifa-sched.c (sched_finish): Clear current_sched_info.
14711 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14712 (dump_flow_info): Call it.
14713 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14715 * basic-block.h (dump_bb_info): Declare.
14716 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14717 option, and apply options only for dump files whose TDF_RTL,
14718 TDF_TREE, or TDF_IPA bits match.
14719 * rtl.h: Declare new functions exported from sched-vis.c.
14720 * sched-vis.c: Enable also if scheduling is not used.
14721 (print_value): Print the mode of registers if not inside scheduling.
14722 (print_insn): Make it work outside the scheduler. Beautify the output
14724 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14726 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14728 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14729 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14730 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14731 depending on the value of CONSTANT_POOL_ADDRESS_P.
14732 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14734 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14735 rather than SYMBOL_REF_DECL.
14736 (rtx_constant_pool): Remove const_rtx_sym_htab.
14737 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14738 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14739 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14740 Remove handling of const_rtx_sym_htab.
14741 (find_pool_constant): Delete.
14742 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14743 rather than find_pool_constant.
14744 (get_pool_constant_for_function): Delete.
14745 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14746 find_pool_constant.
14747 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14748 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14749 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14750 (SYMBOL_REF_CONSTANT): New macro.
14751 (get_pool_constant_for_function): Delete.
14752 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14753 rather than SYMBOL_REF_DECL.
14754 (i386_pe_mark_dllimport): Likewise.
14755 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14756 rather than SYMBOL_REF_DECL.
14757 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14758 (machopic_indirect_call_target): Likewise.
14760 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14762 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14764 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14766 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14768 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14770 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14772 2006-01-24 David Daney <ddaney@avtrex.com>
14775 * configure.ac (enable_tls): New enable option.
14776 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14777 * configure: Regenerate.
14778 * doc/install.texi (--enable-tls): Document new option.
14779 (--disable-tls): Ditto.
14781 2006-01-24 Richard Henderson <rth@redehat.com>
14783 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14784 * alias.c (true_dependence): Respect it.
14785 (canon_true_dependence, write_dependence_p): Likewise.
14786 * builtins.c (get_builtin_sync_mem): Set it.
14788 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14790 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14793 2006-01-24 DJ Delorie <dj@redhat.com>
14795 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14796 for storing constants in single-bit bitfields.
14798 2006-01-25 Ben Elliston <bje@au.ibm.com>
14800 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14802 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14805 * tree-ssa-pre.c (phi_translate): Return NULL
14806 for AGGREGATE_TYPE's.
14808 2006-01-24 Zack Weinberg <zackw@panix.com>
14810 * genautomata.c (process_state_for_insn_equiv_partition):
14811 Use xcalloc for insn_arcs_array.
14812 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14813 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14815 2006-01-24 Richard Henderson <rth@redhat.com>
14817 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14818 update all callers.
14820 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14822 PR rtl-optimization/25890
14823 PR rtl-optimization/25905
14824 * combine.c (expand_compound_operation, expand_field_assignment):
14825 Fail if the bitfield's final position is out of bounds.
14827 2006-01-24 Ian Lance Taylor <ian@airs.com>
14829 PR middle-end/25930
14830 * cgraphunit.c (cgraph_output_in_order): Don't clear
14831 cgraph_asm_nodes until after asm strings have been output.
14833 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14835 * fix-header.c (read_scan_file): Add new parameter imultilib when
14836 calling register_include_chains.
14838 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14840 * omp-low.c: Update documentation.
14842 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14843 Daniel Berlin <dberlin@dberlin.org>
14847 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14848 return from the function.
14850 2006-01-22 Zack Weinberg <zackw@panix.com>
14852 * rtl.def (match_code): Add second argument.
14853 * genpreds.c (write_extract_subexp): New function.
14854 (write_match_code): Add path argument. Use write_extract_subexp.
14855 (write_predicate_expr): Pass path to write_match_code.
14856 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14857 not perform a mode test.
14858 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14859 a subexpression does not constrain the top-level code set.
14860 * read-rtl.c (read_rtx_variadic): New function.
14861 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14862 * doc/md.texi: Document new notation.
14863 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14864 (cmpsi_operand): ... here, using new notation.
14866 2006-01-22 Zack Weinberg <zackw@panix.com>
14868 * varray.c: Remove GENERATOR_FILE #ifdefs.
14870 2006-01-22 Zack Weinberg <zackw@panix.com>
14872 * genautomata.c (output_reserved_units_table): Emit nothing if
14873 description->query_units_num is zero. Remove extra blank line.
14874 (output_cpu_unit_reservation_p): Short circuit
14875 if description->query_units_num is zero.
14877 2006-01-22 Zack Weinberg <zackw@panix.com>
14879 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14880 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14881 nor any of the random handful of variables that used to be necessary
14882 when this program was linked with rtlanal.o. Prune set of forward
14883 function declarations.
14884 (struct attr_desc): Remove static_p field.
14885 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14886 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14887 (attr_string): Do not read the character one past the length of
14889 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14890 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14891 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14892 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14893 (make_automaton_attrs): New.
14894 (main): Do not call into genautomata. Call local gen_bypass
14895 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14896 Remove special case for insn_alts.
14897 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14898 varray.h (leftover from previous change). Prune set of forward
14899 function declarations. Remove state_alts fields from all
14900 structures. Remove state_alts_table from struct automaton.
14901 Make everything except main static. Do not maintain num_dfa_decls.
14902 Do not maintain state_alts fields of various structures.
14903 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14904 (add_arc): Remove state_alts argument. All callers updated.
14905 (output_reserved_units_table): Emit #ifdef here...
14906 (output_tables): ...not here. Don't generate state_alts tables.
14907 (expand_automata): Don't generate attributes.
14908 (write_automata): Don't generate state_alts functions.
14909 (main): New function.
14910 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14911 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14912 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14913 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14914 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14915 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14916 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14917 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14919 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14920 * genattrtab.h: Delete file.
14921 * Makefile.in (OBJS-common): Add insn-automata.o.
14922 (insn-automata.o): New rule.
14923 (simple_generated_c): Add insn-automata.c.
14924 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14925 (genprogmd): Add automata.
14926 (build/genattrtab): Needs no extra objects nor libraries.
14927 (build/genautomata): Needs build/vec.o and -lm.
14929 2006-01-22 Zack Weinberg <zackw@panix.com>
14931 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14932 (output_dfa_max_issue_rate, locked_states_num): Delete.
14933 (struct automaton): Add locked_states field.
14934 (output_dead_lock_vect): Save number of locked states in
14935 automaton->locked_states. If it is zero, don't print anything.
14936 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14937 (output_internal_dead_lock_func): Only test the dead_lock_vect
14938 for automata that have locked states.
14939 (output_statistics): Always print the number of locked states for
14940 each automaton. Calculate total number of locked states here.
14941 (write_automata): Don't call output_dfa_max_issue_rate.
14942 * genattrtab.c: Define length_unit_log as a const variable.
14943 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14944 max_insn_queue_index const.
14945 * final.c (length_unit_log): Declare const.
14946 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14948 2006-01-22 Zack Weinberg <zackw@panix.com>
14950 * genautomata.c: Include vec.h, not varray.h.
14951 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14952 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14953 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14954 VEC_* macros operating on appropriately typed vectors, or to
14955 malloced arrays when the size is known in advance. Const-ify
14956 many char* variables and function arguments. No functional changes.
14957 * Makefile.in (build/varray.o): Delete rule.
14958 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14959 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14961 2006-01-22 Zack Weinberg <zackw@panix.com>
14963 * gensupport.c: Define get_insn_name and record_insn_name here.
14964 (read_md_rtx): Call record_insn_name as appropriate.
14965 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14966 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14967 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14969 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14970 (BUILD_VARRAY): Delete.
14971 (genprognormal): Rename genprogmd. Fold in all programs from
14972 genprognoprint; also attrtab.
14973 (build/genattrtab): Just mention genautomata.o and varray.o.
14974 Reorganize a bit, add comments to make the categories clearer.
14976 2006-01-22 Zack Weinberg <zackw@panix.com>
14978 * genconditions.c (condition_table, add_condition): Delete.
14979 (write_conditions): Don't emit n_insn_conditions nor
14980 insn_elision_unavailable. Issue the gcc version #ifdef here,
14981 inside the table, with no #else clause ...
14982 (write_header): ...not here.
14983 (write_writer): New function.
14984 (main): Don't initialize condition_table. Use add_c_test.
14986 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14987 files on the command line.
14988 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14989 Return -1 if there is no entry in the table, don't abort.
14990 (add_c_test, traverse_c_tests): New functions.
14991 * gensupport.h (insn_elision_unavailable, insn_conditions)
14992 (n_insn_conditions): Delete declarations.
14993 (add_c_test, traverse_c_tests): Declare.
14994 * read-rtl.c: Include gensupport.h.
14995 (read_conditions): New function.
14996 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14997 (read_rtx_1): If we get EOF when we were looking for an initial
14998 open paren, return 0. Call read_conditions when appropriate.
14999 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15000 dummy-conditions.o. Eliminate references to insn-conditions.o,
15001 or change them to build/gencondmd.o, as appropriate. Remove
15002 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15003 from $(simple_generated_c). For all files remaining in those
15004 two lists, add insn-conditions.md to the generator command line.
15005 Give insn-constants.h/s-constants their own rules. Add rules
15006 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15007 (build/read-rtl.o): Depend on gensupport.h.
15008 (genprognormal): Include preds.
15009 (genprogearly): Rename genprognoprint; only difference is now that
15010 they don't link with $(BUILD_PRINT).
15011 * dummy-conditions.c: Delete.
15013 2006-01-22 Zack Weinberg <zackw@panix.com>
15015 * genextract.c: Don't include insn-config.h. Do include vec.h.
15016 Declare vectors of int, char, and locstr.
15017 (locstr): New typedef.
15018 (struct extraction): Make all array fields into bare pointers.
15019 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15020 (insn_code_number): Delete.
15021 (accum_extract): New struct.
15022 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15023 (gen_insn): Take insn_code_number as an argument. Use an
15024 accum_extract structure instead of loading data directly into
15025 a struct extraction, and having to know how big it might get.
15026 (walk_rtx): Operate entirely on an accum_extract structure.
15027 (print_path): Avoid unnecessary use of printf.
15028 (print_header): New function, split out of main. Distinguish
15029 more carefully between an unrecognizable insn and an insn that
15030 has the code number of a define_expand.
15031 (main): Pass insn_code_number to gen_insn. Call print_header
15032 only after parsing. Avoid unnecessary use of printf.
15033 * Makefile.in (build/vec.o): New rule.
15034 (build/genextract): Depend on build/vec.o.
15035 (build/genextract.o): Don't depend on insn-config.h.
15037 2006-01-22 Zack Weinberg <zackw@panix.com>
15039 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15040 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15041 practical. Eliminate per-generator-program link rules.
15043 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15045 PR middle-end/24437
15046 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15047 with a call expr to ...
15048 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15050 2006-01-23 Richard Guenther <rguenther@suse.de>
15052 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15053 before make_edge with conditional EDGE_TRUE_VALUE.
15055 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15056 Jan Hubicka <jh@suse.cz>
15057 Richard Guenther <rguenther@suse.de>
15059 PR rtl-optimization/25654
15060 * cfgexpand.c (aggregate_contains_union_type): New function.
15061 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15062 for structure variables that contain a union type.
15064 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15066 * gengtype.c (new_structure): Return the structure.
15067 (create_option): Add an extra "next" argument.
15068 (create_field): New function.
15069 (adjust_field_rtx_def): Use create_option and create_field.
15070 Remove a now-unnecessary call to find_structure.
15071 (adjust_field_tree_def): Likewise.
15072 (note_yacc_type): Remove an unnecessary call to find_structure.
15073 * gengtype.h (new_structure): Return the structure.
15074 (create_option): Add an extra argument.
15075 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15076 (option): Adjust calls to create_option.
15078 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15080 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15082 2006-01-22 Paul Brook <paul@codesourcery.com>
15083 Peter Barada <peter@the-baradas.com>
15085 * config/m68k/m68k.md: Add Coldfire FPU support.
15086 Define FP mode macro and associated attributes.
15087 Use it for float mode patterns.
15088 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15089 (LIBCALL_VALUE): Use m68k_libcall_value.
15090 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15091 (m68k_function_value): Ditto.
15092 (emit_move_sequence): Ditto.
15093 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15094 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15095 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15096 (MULTILIB_EXCEPTIONS): Ditto.
15097 * config/m68k/m68k.opt: Add mcfv4e.
15098 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15099 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15100 (m68k_output_function_prologue): Save ColdFire FPU registers.
15101 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15102 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15103 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15104 ColdFire FPU registers.
15105 (m68k_libcall_value, m68k_function_value): New functions.
15106 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15107 (LIBCALL_VALUE): Use m68k_libcall_value.
15108 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15109 (MASK_COLDFIRE): Add MASK_CFV4E.
15110 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15111 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15112 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15113 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15114 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15115 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15116 * doc/invoke.tex: Document -mcfv4e on m68k.
15118 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15120 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15123 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15126 * c-opts.c (c_common_handle_option): Don't include
15127 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15128 * doc/invoke.texi (C++ Dialect Options): Document that
15129 -Wnon-virtual-dtor is no longer included in -Wall.
15131 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15133 * gcov.c (print_version), gcov-dump.c (print_version),
15134 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15137 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15139 * df-scan.c (problem_SCAN): Added NULL reset function.
15140 (df_scan_reset_blocks): Added code to call reset block function
15141 (df_bb_refs_delete) Fixed comment.
15142 (df_insn_refs_delete): Made tolerant of deleting non existent info
15143 for dataflow problems that need to be reset.
15144 * df-core.c (df_set_blocks): Ditto.
15145 * df.h (struct df_problem): Added reset_fun.
15146 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15147 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15148 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15149 functions to clear out all references to def-use or use-def chains.
15151 2006-01-21 Ben Elliston <bje@au.ibm.com>
15153 * varasm.c (assemble_real): Initialise data array.
15155 2006-01-20 Paul Brook <paul@codesourcery.com>
15157 Merge from csl-arm-branch.
15158 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15159 * config/arm/arm.md (movdi): Force operands[1] to a register
15160 if we have a non-register source.
15161 (*arm_movdi, *movdf_soft_insn): Require that one of the
15162 operands be a register.
15163 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15164 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15166 2006-01-20 DJ Delorie <dj@redhat.com>
15168 * varasm.c (initializer_constant_valid_p): Allow pointers
15169 initialized from integer constants of lesser precision.
15170 (output_constant): Allow non-int-sized pointer modes to be
15171 initialized from integer constants.
15173 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15176 * cppdefault.h (struct default_include): Add multilib flag.
15177 * cppdefault.c (cpp_include_defaults): Set it.
15178 * c.opt (-imultilib): New option.
15179 * c-opts.c (imultilib): New.
15180 (c_common_handle_option): Handle -imultilib.
15181 (c_common_post_options): Likewise.
15182 * c-incpath.c (add_standard_paths, register_include_chains):
15184 * c-incpath.h (register_include_chains): Add extra parameter.
15185 * gcc.c (do_spec_1): Generate -imultilib option.
15186 (The Specs Language): Update %I description.
15187 (process_command): Update copyright notice.
15188 * doc/cppopts.texi (-imultilib): Document.
15189 * doc/invoke.texi (-imultilib): Include in option summary.
15190 (%I): Update specs documentation.
15192 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15194 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15196 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15198 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15201 2006-01-20 Richard Guenther <rguenther@suse.de>
15202 Steven Bosscher <stevenb.gcc@gmail.com>
15204 PR rtl-optimization/24626
15205 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15206 EDGE_TRUE_VALUE if in RTL mode.
15209 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15210 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15212 2006-01-20 Dirk Mueller <dmueller@suse.com>
15215 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15216 instead of a special NOP marker.
15217 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15218 NOP marker handling.
15219 * c-common.h (empty_body_warning): Add forward declaration.
15220 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15221 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15223 2006-01-20 Paul Brook <paul@codesourcery.com>
15225 * Makefile.in (lang_checks): Keep going if mkdir fails.
15227 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15229 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15230 be able to clean out basic block when not necessary.
15231 (df_scan_free): Fixed to properly delete information if df is
15232 unused before calling df_finish.
15233 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15234 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15236 (df_bb_refs_delete): New function.
15237 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15238 * df-core.c (df_set_blocks): Added code to properly clean out
15239 unused blocks if they are not part of the blocks to consider.
15240 Added additional null check.
15241 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15242 be able to clean out basic block when not necessary
15243 * df.h (df_free_bb_function): Ditto.
15244 (df_bb_refs_delete): New function.
15245 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15246 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15247 basic block parameter to be able to clean out basic block when not
15249 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15250 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15251 Fixed to properly delete information if df is unused before
15254 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15256 PR rtl-optimization/25799
15257 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15258 Corrected confluence operator to remove bits from op2 before oring
15259 with op1 rather than removing bits from op1.
15260 (df_ru_transfer_function): Corrected test on wrong bitmap which
15261 caused infinite loop. Both of these problems were introduced in
15262 the dataflow rewrite.
15264 2006-01-19 DJ Delorie <dj@redhat.com>
15266 * reload1.c (find_reload_regs): Note the details of reload
15267 failures in the dump file.
15268 (spill_failure): Likewise.
15270 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15272 * loop-iv.c: Include df.h and hashtab.h.
15273 (enum iv_grd_result): New enum.
15274 (DF_REF_IV, DF_REF_IV_SET): New macros.
15275 (struct biv_entry): New.
15276 (df, bivs): New global variables.
15277 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15278 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15280 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15281 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15282 analyzed_for_bivness_p, record_biv): New functions.
15283 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15284 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15285 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15287 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15289 (iv_number_of_iterations): Use new interface to iv analysis.
15290 * loop-unroll.c: Do not include varray.h.
15291 (analyze_iv_to_split_insn): Use new interface to iv
15293 * loop-unswitch.c (may_unswitch_on): Ditto.
15294 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15296 (df_bb_modify): Realloc tables to the new index.
15297 (df_find_use): New function.
15298 * df.h (df_find_use): Declare.
15299 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15301 * cfgloop.h (struct rtx_iv): Remove analysed field.
15302 (iv_get_reaching_def): Removed.
15303 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15304 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15305 (loop-iv.o): Add df.h and hashtab.h dependency.
15306 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15308 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15311 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15313 (__floatundisf, __floatundidf): Likewise.
15314 * libgcc2.h (IS_IBM_EXTENDED): Define.
15316 2006-01-19 DJ Delorie <dj@redhat.com>
15318 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15320 2006-01-19 Paul Brook <paul@codesourcery.com>
15322 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15323 as nothrow when unwinding tables are disabled.
15325 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15328 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15329 of bit-field" when in system header.
15331 2006-01-19 DJ Delorie <dj@redhat.com>
15333 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15334 the 16 bit shift limit of the m16c.
15336 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15339 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15340 * config/i386/i386.c (output_set_got): Output the label if we have one
15341 for the TARGET_DEEP_BRANCH_PREDICTION case.
15343 2006-01-19 Jan Hubicka <jh@suse.cz>
15344 H.J. Lu <hongjiu.lu@intel.com>
15345 Evandro Menezes <evandro.menezes@amd.com>
15347 * invoke.texi (generic): Document
15349 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15350 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15351 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15352 (x86_use_incdec, x86_pad_returns): New variables
15353 (TARGET_CPU_DEFAULT_generic): New constant
15354 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15355 (enum processor_type): Add generic32 and generic64.
15356 * i386.md (cpu attribute): Add generic32/generic64
15357 (movhi splitter): Behave sanely when both partial_reg_dependency and
15358 partial_reg_stall are set.
15359 (K8 splitters): Enable for generic as well.
15360 * predicates.md (incdec_operand): Use TARGET_INCDEC
15361 (aligned_operand): Avoid memory mismatch stalls.
15362 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15363 * ppro.md: Enable for generic32
15364 * i386.c (generic64_cost, generic32_cost): New.
15365 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15366 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15367 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15368 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15369 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15370 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15371 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15372 x86_accumulate_outgoing_args, x86_prologue_using_move,
15373 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15374 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15375 Enable for generic.
15376 (x86_use_incdec, x86_pad_returns): New.
15377 (override_options): Add generic32 and generic64, translate "generic"
15378 to generic32/generic64 and "i686" to "generic32", refuse
15379 "generic32"/"generic64" as arch target.
15380 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15381 (ix86_reorg): Honor PAD_RETURNS.
15383 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15385 * tree-pretty-print.c (dump_generic_node): Handle
15386 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15387 * cgraph.c (cgraph_expand_queue): Rename from
15388 cgraph_analyze_queue. Update all users.
15389 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15390 cgraph_expand_queue.
15391 (cgraph_expand_all_functions): Likewise.
15392 (cgraph_finalize_pending_functions): Remove. Update callers.
15394 * tree.h (OMP_DIRECTIVE_P): Define.
15395 (OMP_PARALLEL_FN): Define.
15396 (OMP_PARALLEL_DATA_ARG): Define.
15397 (OMP_SECTIONS_SECTIONS): Define.
15398 * tree-pass.h (pass_expand_omp): Declare.
15399 * omp-low.c (struct omp_region): Declare.
15400 (struct omp_context): Remove fields 'parallel_type',
15401 'parallel_start_ix' and 'parallel_start_additional_args'.
15403 (struct omp_for_data): Rename from struct expand_omp_for_data.
15404 (omp_regions): New static variable.
15405 (root_omp_region): New static variable.
15406 (find_omp_clause): Make static.
15407 (is_in_combined_parallel_ctx): Remove.
15408 (is_combined_parallel): New.
15409 (extract_omp_for_data): Move earlier in the file.
15410 (workshare_safe_to_combine_p): New.
15411 (get_ws_args_for): New.
15412 (determine_parallel_type): Move earlier in the file.
15413 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15415 (omp_copy_decl): Likewise.
15416 (create_omp_child_function): Likewise.
15417 (lookup_omp_region): New.
15418 (dump_omp_region): New.
15419 (debug_omp_region): New.
15420 (debug_all_omp_regions): New.
15421 (new_omp_region): New.
15422 (scan_omp_parallel): If parallel_nesting_level > 1, the
15423 directive is nested within another parallel directive.
15424 Set OMP_PARALLEL_FN.
15425 (scan_omp_for): Do not try to handle combined parallel+for
15427 Remove FIXME comment.
15428 (scan_omp_nested): Remove.
15429 (scan_omp_1): Do not call scan_omp_nested when
15430 parallel_nesting_level is > 1.
15431 Do not change the DECL_CONTEXT of local variables found.
15432 (lookup_decl_in_outer_ctx): New.
15433 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15434 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15435 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15436 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15437 If CTX is nested, lookup VAR in the outer context when
15438 building copy assignment.
15439 (lower_send_clauses): Rename from expand_send_clauses.
15440 If CTX is nested, lookup VAR in the outer context when
15441 building copy assignments.
15442 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15443 If CTX is nested, lookup VAR in the outer context when
15444 building copy assignments.
15445 (expand_parallel_call): Rename from build_parallel_call.
15446 Handle combined parallel+workshare cases.
15447 Re-implement to emit code into the CFG.
15449 (expand_omp_parallel): Re-implement to emit code into the CFG.
15450 Call move_sese_region_to_fn to outline the sub-graph
15451 containing the parallel region.
15452 (expand_omp_for_1): Remove.
15453 (expand_omp_for_generic): Re-implement to emit code into the
15455 (expand_omp_for_static_nochunk): Likewise.
15456 (expand_omp_for_static_chunk): Likewise.
15457 (expand_omp_for): Likewise.
15458 (expand_omp_sections): Likewise.
15459 (remove_exit_barriers): New.
15460 (expand_omp_synch): New.
15462 (build_omp_regions_1): New.
15463 (build_omp_regions): New.
15464 (execute_expand_omp): New.
15465 (gate_expand_omp): New.
15466 (pass_expand_omp): Define.
15467 (lower_omp_sections): Rename from expand_omp_sections.
15468 Set OMP_SECTIONS_SECTIONS.
15469 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15470 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15471 (lower_omp_single): Rename from expand_omp_simple.
15472 (lower_omp_master): Rename from expand_omp_master.
15473 (lower_omp_ordered): Rename from expand_omp_ordered.
15474 (lower_omp_critical): Rename from expand_omp_critical.
15475 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15476 (lower_omp_for): Re-implement.
15477 (lower_omp_parallel): Re-implement.
15478 (lower_regimplify): Rename from expand_regimplify.
15479 (lower_omp_1): Rename from expand_omp_1.
15480 If there are syntax errors in the program, replace every
15481 OpenMP directive with NOP.
15482 Call lower_omp_* instead of expand_omp_*.
15483 (lower_omp): Rename from expand_omp.
15485 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15486 * tree-gimple.h (enum omp_parallel_type): Remove.
15487 (gimple_boolify): Declare extern.
15488 (find_omp_clause, determine_parallel_type): Remove.
15490 * gimple-low.c (lower_omp_directive): New.
15491 (lower_stmt): Call it.
15492 (record_vars_into): Move from ...
15493 (record_vars): ... here.
15494 Call record_vars_into with current_function_decl.
15496 * gimplify.c (struct gimplify_ctx): Remove fields
15497 combined_pre_p and combined_ctxp. Update users.
15498 (get_formal_tmp_var): Add documentation.
15499 (gimple_boolify): Make extern.
15500 (gimplify_expr_in_ctx): Remove. Update callers.
15501 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15502 will always be a BIND_EXPR.
15503 (gimplify_expr): Handle OMP_RETURN_EXPR.
15504 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15505 (OMP_PARALLEL): Add 3 operands.
15506 (OMP_SECTIONS): Add 1 operand.
15507 (OMP_RETURN_EXPR): Define.
15509 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15510 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15511 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15512 creating a circular free list.
15513 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15515 * tree-flow.h (move_sese_region_to_fn): Declare.
15516 (record_vars_into): Declare.
15517 * tree-cfg.c (make_omp_sections_edges): New.
15518 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15519 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15520 OMP_SECTIONS and OMP_SECTION.
15521 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15522 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15523 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15524 (gather_blocks_in_sese_region): New.
15525 (struct move_stmt_d): Declare.
15526 (move_stmt_r): New.
15527 (move_block_to_fn): New.
15528 (move_sese_region_to_fn): New.
15530 * passes.c (init_optimization_passes): Schedule
15531 pass_expand_omp after pass_init_datastructures.
15533 * tree-ssa-operands.c (get_expr_operands): Handle
15534 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15535 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15537 2006-01-19 Jeff Law <law@redhat.com>
15539 * tree-vrp.c (extract_range_from_assert): Refine the result range
15540 if the variable referenced by the ASSERT_EXPR has a range and
15541 either the tentative result range or the previous range is a
15544 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15546 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15548 2006-01-19 Jan Hubicka <jh@suse.cz>
15550 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15552 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15554 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15555 (expand_compound_operation, expand_field_assignment): Fail if the
15556 bit lengths of an extract operation are out of range.
15557 (make_extraction): Compute wanted_inner_mode based on the position
15558 and length of the extraction. Make it extraction_mode for non-constant
15559 positions, and do not modify offset in that case. When generating a
15560 new MEM, use a mode that can hold the extraction while keeping correct
15561 alignment. Remove code that supported MEMs wrapped by USEs.
15562 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15564 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15566 * config/s390/s390.md ("Y", "y"): New mode attribute.
15567 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15568 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15569 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15570 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15571 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15572 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15573 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15574 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15575 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15576 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15577 "addsi3", "subsi3"): Insn patterns removed.
15578 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15579 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15580 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15581 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15582 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15583 "*sub<mode>3_cconly2"): New insn patterns.
15584 ("addsi3", "subsi3"): New expanders.
15586 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15588 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15589 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15590 existing STMT_VINFO_VECTYPE if available.
15591 (vect_mark_relevant): Add special handling for stmts that are
15592 marked as STMT_VINFO_IN_PATTERN_P.
15593 (vect_analyze_loop): Call vect_pattern_recog.
15594 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15595 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15597 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15598 (vect_recog_func_ptr): New function-pointer type.
15599 * tree-vect-patterns.c: New file.
15600 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15601 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15602 (vect_pattern_recog_1): New functions.
15603 (vect_pattern_recog_funcs): New array of function pointers.
15605 * tree-vectorizer.h (ternary_op): New enum value.
15606 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15607 declaration. Revised documentation. Removed redundant dump prints.
15608 Removed redundant argument. Added support for reduction patterns.
15609 (vectorizable_reduction): Added support for reduction patterns.
15610 (vect_transform_stmt): Added support for patterns.
15612 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15613 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15614 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15615 (expand_widen_pattern_expr): New function.
15616 (init_optabs): Initialize new optabs udot_prod_optab,
15618 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15619 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15620 (expand_widen_pattern_expr): New function declaration.
15621 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15623 * tree-inline.c (estimate_num_insns_1): Added cases for new
15624 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15625 * tree-pretty-print.c (dump_generic_node): Likewise.
15626 (op_prio): Likewise.
15627 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15628 * tree-ssa-operands.c (get_expr_operands): Added case for
15630 * tree-vect-patterns.c (widened_name_p): New function.
15631 (vect_recog_dot_prod_pattern): Added function implementation.
15632 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15633 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15634 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15635 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15637 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15638 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15639 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15640 (init_optabs): Initialize new optabs widen_ssum_optab,
15642 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15643 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15644 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15645 use instead of type of def.
15646 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15647 function implementation.
15648 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15649 widen_ssumv8hi): New.
15651 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15654 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15657 * c-decl.c (add_flexible_array_elts_to_size): New function.
15658 (finish_decl): Use it.
15660 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15662 * diagnostic.h: Include options.h.
15663 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15664 dependancies for diagnostic.h.
15665 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15667 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15669 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15670 (ssa_ro_call_cache_valid): Ditto.
15671 * tree-ssa-alias.c (sort_tags_by_id): New function.
15672 (init_transitive_clobber_worklist): Ditto.
15673 (add_to_worklist): Ditto.
15674 (mark_aliases_call_clobbered): Ditto.
15675 (compute_tag_properties): Ditto.
15676 (set_initial_properties): Ditto.
15677 (compute_call_clobbered): Ditto.
15678 (compute_may_aliases): Call compute_call_clobbered and grouping.
15679 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15680 (compute_flow_insensitive_aliasing): Grouping now happens in our
15682 (setup_pointers_and_addressables): Remove clobbering related code.
15683 (add_may_alias): Ditto.
15684 (replace_may_alias): Ditto.
15685 (get_nmt_for): Ditto.
15686 (create_global_var):
15687 (is_escape_site): Return an escape_type enumeration.
15688 * tree-flow-inline.h (is_call_clobbered): Global var does not
15689 imply call clobbered.
15690 (mark_call_clobbered): Take a reason for marking this. Remove
15691 marking of globalness, and cache invalidation.
15692 (clear_call_clobbered): Remove cache invalidation code.
15693 * tree-dfa.c (dump_variable): If details is on, dump the reason
15695 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15697 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15698 (struct var_ann_d): Ditto.
15699 (enum escape_type): New.
15700 (mark_call_clobbered): Adjust prototype.
15701 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15702 are never call clobbered.
15703 Record reasons for escaping.
15704 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15705 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15706 (ssa_ro_call_cache_valid): Ditto.
15707 (clobbered_v_may_defs): Ditto.
15708 (clobbered_vuses): Ditto.
15709 (ro_call_vuses): Ditto.
15710 (clobber_stats): New.
15711 (init_ssa_operands): Zero out clobber stats.
15712 (fini_ssa_operands): Print out clobber stats.
15713 (get_call_expr_operands): Pass callee fndecl to
15714 add_call_read_ops).
15715 (add_call_clobber_ops): Remove use of cache.
15716 Add use of PURE_CONST information.
15717 (add_call_read_ops): Remove use of cache.
15718 Add use of static not_read information.
15720 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15722 Introduce TLS descriptors for i386 and x86_64.
15723 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15724 (TARGET_ANY_GNU_TLS): New macro.
15725 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15726 (struct machine_function): Add tls_descriptor_call_expanded_p.
15727 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15728 (ix86_current_function_calls_tls_descriptor): Likewise.
15729 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15730 (override_options): Introduce gnu2 tls dialect.
15731 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15733 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15735 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15736 (ix86_init_machine_status): Initialize new field.
15737 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15738 (ix86_tls_module_base): New.
15739 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15740 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15741 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15742 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15743 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15744 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15745 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15746 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15747 * config/i386/predicates.md (tls_modbase_operand): New.
15748 (tp_or_register_operand): New.
15750 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15752 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15753 (look_for_address_of): Ditto.
15754 (ipa_init): Walk the function decls.
15755 (static_execute): Don't set readonly on FUNCTION_DECL's.
15757 2006-01-18 Roger Sayle <roger@eyesopen.com>
15759 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15760 for shifts where the source and destination registers are different.
15762 2006-01-18 Paul Brook <paul@codesourcery.com>
15764 Merge from csl-arm-branch.
15765 2005-03-14 Julian Brown <julian@codesourcery.com>
15766 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15767 (aeabi_llsl): Likewise.
15768 (ashrdi3): Likewise.
15769 (aeabi_lasr): Likewise.
15770 (lshrdi3): Likewise.
15771 (aeabi_llsr): Likewise.
15772 2005-03-10 Julian Brown <julian@codesourcery.com>
15773 * config.gcc: Disable shared libgcc for SymbianOS.
15774 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15776 2006-01-18 DJ Delorie <dj@redhat.com>
15778 * c-pragma.c (handle_pragma_diagnostic): New.
15779 (init_pragma): Register it.
15780 * doc/extend.texi: Document it.
15782 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15783 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15784 (diagnostic_context): Add classify_diagnostic[].
15785 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15786 as errors if they're overridden to DK_WARNING.
15787 (diagnostic_initialize): Initialize classify_diagnostic[].
15788 (diagnostic_set_kind_override): New.
15789 (diagnostic_report_diagnostic): Check for kind changes.
15790 * opts.c (common_handle_option): Take lang_mask. Update callers.
15791 Handle OPT_Werror_.
15792 * common.opt (Werror=): New.
15793 * doc/invoke.texi: Document -Werror=*
15795 2006-01-18 Jeff Law <law@redhat.com>
15797 * tree-vrp.c (test_for_singularity): Correct test for new
15798 min limit. Use operand_equal_p rather than pointer equality
15799 for testing if new min/max values are equal.
15801 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15802 using range information until after propagation and folding.
15804 2006-01-18 Richard Henderson <rth@redhat.com>
15805 Aldy Hernandez <aldyh@redhat.com>
15806 Jakub Jelinek <jakub@redhat.com>
15807 Diego Novillo <dnovillo@redhat.com>
15809 * omp-low.c: New file.
15810 * c-omp.c: New file.
15812 2006-01-18 Richard Henderson <rth@redhat.com>
15813 Jakub Jelinek <jakub@redhat.com>
15814 Diego Novillo <dnovillo@redhat.com>
15816 * doc/invoke.texi: Document -fopenmp.
15817 * tree-dump.h (debug_function): Declare.
15818 * hooks.c (hook_bool_tree_bool_false): New function.
15819 (hook_tree_tree_null): Remove.
15820 (hook_tree_tree_tree_null): New.
15821 * hooks.h: Update to match.
15822 * tree-pretty-print.c (debug_tree_chain): New.
15823 (print_generic_expr): Handle TDF_CHAIN.
15824 (dump_generic_node): Handle BLOCK.
15825 Do not abort with incomplete SWITCH_EXPRs.
15826 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15827 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15828 print space after directive name.
15829 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15830 Handle OMP_MASTER and OMP_ORDERED.
15831 Handle printing of OMP_BODY just in one place, goto
15832 dump_omp_body in the rest of OMP_* nodes that have
15834 Don't handle clause nodes here. Update omp statements to
15835 use dump_omp_clauses.
15836 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15837 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15838 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15839 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15840 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15841 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15842 Adjust output for GOMP_PARALLEL.
15843 (dump_omp_clauses): New.
15844 (print_declaration): Dump DECL_VALUE_EXPR.
15845 (op_symbol_1): Split out of op_symbol.
15846 (dumping_stmts): Remove. Update all users.
15847 * cgraph.c (cgraph_analyze_queue): New.
15848 (cgraph_add_new_function): New.
15849 * cgraph.h (cgraph_analyze_queue): Declare.
15850 (cgraph_add_new_function): Declare.
15851 (cgraph_lower_function): Remove.
15852 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15853 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15854 and TYPE_P nodes in its default clause.
15855 (empty_body_p): New.
15856 (tree_range_check_failed): New.
15857 (build5_stat): New.
15858 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15859 OMP_CLAUSE_REDUCTION_MERGE,
15860 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15861 OMP_CLAUSE_PRIVATE_DEBUG,
15862 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15863 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15864 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15865 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15866 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15867 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15868 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15869 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15870 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15871 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15872 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15873 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15874 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15875 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15876 (TREE_RANGE_CHECK): New.
15877 (empty_body_p): Declare.
15878 (enum omp_clause_default_kind): New.
15879 (build_string_literal): Declare.
15880 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15881 (build5_stat, build5): Declare.
15882 * tree-pass.h (TDF_CHAIN): Define.
15883 * tree-pass.h (PROP_gimple_lomp): Define.
15884 (pass_lower_omp): Declare.
15885 * diagnostic.h (debug_tree_chain): Declare.
15886 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15888 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15889 * builtins.c (build_string_literal): Make extern.
15890 * gcc.c (include_spec_function): New.
15891 (static_spec_functions): Add it.
15892 (main): Move load of libgomp.spec ...
15893 (LINK_COMMAND_SPEC): ... here.
15894 (link_gomp_spec): New.
15895 (static_specs): Include it.
15896 (LINK_COMMAND_SPEC): Add link_gomp.
15897 (GOMP_SELF_SPECS): New.
15898 (driver_self_specs): Include it.
15899 (switch_matches): Don't mark inline.
15900 (main): Load libgomp.spec.
15901 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15902 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15903 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15904 * tree-gimple.h (enum omp_parallel): Declare.
15905 (determine_parallel_type): Declare.
15906 (omp_firstprivatize_variable): Declare.
15907 (omp_reduction_init): Declare.
15908 (diagnose_omp_structured_block_errors): Declare.
15909 (struct walk_stmt_info): Add want_return_expr.
15910 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15911 (find_omp_clause): Declare.
15912 (insert_field_into_struct): Declare.
15913 (struct walk_stmt_info): Move from tree-nested.c
15914 (walk_stmts): Declare.
15915 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15917 * cgraphunit.c (cgraph_lower_function): Make static.
15918 (cgraph_finalize_pending_functions): New.
15919 (cgraph_finalize_function): Call it.
15920 (cgraph_finalize_compilation_unit): Likewise.
15921 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15922 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15923 (BT_FN_UINT_UINT): New.
15924 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15925 DEF_FUNCTION_TYPE_VAR_4): Document.
15926 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15927 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15928 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15929 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15930 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15931 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15932 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15933 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15934 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15935 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15936 into separate files.
15937 (DEF_GOMP_BUILTIN): New.
15938 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15939 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15940 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15941 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15942 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15943 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15944 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15945 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15946 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15947 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15948 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15949 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15950 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15951 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15952 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15953 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15954 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15955 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15956 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15957 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15958 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15959 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15960 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15961 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15962 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15963 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15964 * sync-builtins.def: New file, moved from builtins.def.
15965 * omp-builtins.def: New file, moved from builtins.def.
15966 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15967 * gimple-low.c (lower_function_body): Clear data.
15968 (lower_stmt): Do not handle COMPOUND_EXPR.
15969 Remove call to print_node_brief.
15970 * c-tree.h (c_finish_omp_clauses): New prototype.
15971 (C_DECL_THREADPRIVATE_P): Define.
15972 (lookup_name_no_remap, c_omp_remap_private): Remove
15973 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15974 (check_for_loop_decls): Update decl.
15975 (lookup_name_no_remap, c_omp_remap_private): Declare.
15976 (build_indirect_ref, build_modify_expr, pushdecl,
15977 pushdecl_top_level): Move to c-common.h.
15978 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15979 before the switch, but just in the 2 places that need it.
15980 * c-decl.c (diagnose_mismatched_decls): Do not check for
15981 mismatched thread-local attributes when OLDDECL is marked
15982 threadprivate and NEWDECL has no thread-local attributes.
15983 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15984 (c_gimple_diagnostics_recursively): Rename from
15985 c_warn_unused_result_recursively. Invoke
15986 diagnose_omp_structured_block_errors.
15987 (check_for_loop_decls): Return a singular decl found.
15988 * langhooks.c (lhd_omp_predetermined_sharing): Return
15989 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15990 (lhd_omp_firstprivatize_type_sizes): New.
15991 (lhd_omp_assignment): New.
15992 (lhd_omp_predetermined_sharing): New.
15993 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15994 (struct lang_hooks_for_types): Add
15995 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15996 omp_predetermined_sharing, omp_disregard_value_expr,
15997 omp_private_debug_clause, omp_clause_default_ctor,
15998 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15999 (c_finish_omp_clauses): New.
16000 (c_finish_bc_stmt): Diagnose break within omp for.
16001 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16002 (build_unary_op): Return error_mark after reporting
16004 (build_modify_expr): Likewise.
16005 * gimplify.c: Include optabs.h and pointer-set.h.
16006 (enum gimplify_omp_var_data): Declare.
16007 (struct gimplify_omp_ctx): Declare.
16008 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16010 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16011 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16012 (splay_tree_compare_decl_uid): New.
16013 (new_omp_context): New.
16014 (delete_omp_context): New.
16015 (gimple_add_tmp_var): Call omp_add_variable.
16016 (gimplify_bind_expr): Likewise.
16017 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16018 true, disregard DECL_VALUE_EXPR on the decl if any.
16019 (gimplify_expr_in_ctx): New.
16020 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16021 omp_add_variable, omp_notice_variable, omp_is_private
16022 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16023 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16024 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16025 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16026 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16027 gimplify_omp_atomic): New.
16028 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16029 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16030 OMP_CRITICAL and OMP_ATOMIC.
16031 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16032 * c-pragma.h (enum pragma_kind): Add
16033 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16034 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16035 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16036 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16037 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16038 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16039 PRAGMA_OMP_THREADPRIVATE.
16040 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16041 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16042 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16043 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16044 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16045 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16046 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16047 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16048 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16049 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16050 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16051 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16052 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16054 (struct nesting_info): Add field_map,
16055 suppress_expansion, debug_var_chain.
16056 (create_nesting_tree): Initialize them.
16057 (lookup_field_for_decl): Use field_map.
16058 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16059 (convert_local_omp_clauses): New.
16060 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16061 (walk_body): Split out of walk_function.
16062 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16063 (convert_nonlocal_reference): Handle omp statements.
16064 (convert_local_reference): Likewise.
16065 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16066 (unnest_nesting_tree): New.
16067 (lower_nested_functions): Call it.
16068 (insert_field_into_struct): Make extern.
16069 (struct walk_stmt_info): Move to tree-gimple.h.
16070 (walk_stmts): Make extern.
16071 * omp-builtins.def: New file.
16072 * tree-iterator.c (expr_only): Clarify comment.
16073 * c-common.h (pushdecl_top_level, pushdecl,
16074 build_modify_expr, build_indirect_ref,
16075 c_finish_omp_master, c_finish_omp_critical,
16076 c_finish_omp_ordered, c_finish_omp_barrier,
16077 c_finish_omp_atomic, c_finish_omp_flush,
16078 c_finish_omp_for, c_split_parallel_clauses,
16079 omp_clause_default_kind, c_omp_sharing_predetermined,
16080 c_omp_remap_decl): Declare.
16081 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16082 (OBJS-common): Add omp-low.o.
16083 (c-omp.o, omp-low.o): Add.
16084 (gimplify.o): Add dependency on $(OPTABS_H).
16085 (GTFILES): Add omp-low.c.
16086 (gt-stringpool.h): Add.
16087 * tree-cfg.c (set_bb_for_stmt): Do not update the
16088 block-to-labels map if we are currently expanding to RTL.
16089 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16091 Handle IDENTIFIER_NODE.
16092 (tree_verify_flow_info): Do not ICE when emitting error
16093 messages about invalid labels.
16094 (dump_function_to_file): Reset CFUN before emitting the body
16096 (debug_function): New.
16097 * passes.c (init_optimization_passes): Schedule
16099 * langhooks-def.h (lhd_omp_predetermined_sharing,
16100 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16102 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16103 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16104 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16105 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16106 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16107 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16108 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16109 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16110 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16111 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16112 (LANG_HOOK_DECLS): Use them.
16114 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16115 Richard Henderson <rth@redhat.com>
16116 Jakub Jelinek <jakub@redhat.com>
16117 Diego Novillo <dnovillo@redhat.com>
16119 * c-parser.c (pragma_omp_clause): Define.
16120 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16121 (c_parser_compound_statement): Likewise.
16122 (c_parser_statement): Likewise.
16123 (c_parser_pragma): Handle omp pragmas.
16124 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16125 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16126 (c_parser_omp_clause_name, check_no_duplicate_clause,
16127 c_parser_omp_variable_list,
16128 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16129 c_parser_omp_clause_copyprivate,
16130 c_parser_omp_clause_default,
16131 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16132 c_parser_omp_clause_lastprivate,
16133 c_parser_omp_clause_nowait,
16134 c_parser_omp_clause_num_threads,
16135 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16136 c_parser_omp_clause_reduction,
16137 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16138 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16139 c_parser_omp_atomic, c_parser_omp_barrier,
16140 c_parser_omp_critical, c_parser_omp_flush,
16141 c_parser_omp_for_loop, c_parser_omp_for,
16142 c_parser_omp_master, c_parser_omp_ordered,
16143 c_parser_omp_sections_scope, c_parser_omp_sections,
16144 c_parser_omp_parallel, c_parser_omp_single,
16145 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16146 * c-pragma.c (init_pragma): Do omp pragma registration here.
16147 * c.opt (fopenmp): New flag.
16149 2006-01-18 Eric Christopher <echristo@apple.com>
16151 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16152 * config/darwin.h (GOMP_SELF_SPECS): Define.
16154 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16156 * rtl.h: Remove the prototype for reg_alloc.
16158 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16161 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16162 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16163 sjlj and dwarf2 exception handling.
16164 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16165 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16166 * pa/pa.c (function_value): Treat complex and vector types as
16168 (function_arg): Likewise. Only pass scalar floats in the floating
16169 point argument registers.
16170 * pa/t-slibgcc-dwarf-ver: New file.
16171 * pa/t-slibgcc-sjlj-ver: New file.
16172 * pa/t-slibgcc-elf-ver: Delete file.
16174 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16176 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16177 unlikely_test_section_p test.
16179 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16181 * mode-switching.c (optimize_mode_switching): Make it static.
16182 * basic-block.h: Remove the prototype for
16183 optimize_mode_switching.
16185 * modulo-sched.c (sms_schedule): Make it static.
16186 * rtl.h: Remove the prototype for sms_schedule.
16188 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16189 * rtl.h: Remove the prototype for gcse_after_reload_main.
16191 * reg-stack.c (reg_to_stack): Make it static.
16192 * rtl.h: Remove the prototype for reg_to_stack.
16194 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16196 * rtl.h: Remove the prototypes for regrename_optimize and
16197 copyprop_hardreg_forward.
16199 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16201 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16202 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16203 Test against the appropriate null constant for the mode.
16204 If 'fixup_overlap' is true, swap the operands if they overlap.
16205 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16206 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16207 alpha_split_tmode_pair and adjust for above change.
16208 * config/alpha/alpha.md (movtf_internal): Adjust call to
16209 alpha_split_tfmode_pair and rely on it to swap the operands.
16210 (movti_internal): New insn and post-reload splitter.
16211 (movti): New expander.
16213 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16215 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16218 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16220 * rtlanal.c (global_reg_mentioned_p_1,
16221 global_reg_mentioned_p): Remove.
16222 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16224 * flow.c (initialize_uninitialized_subregs): Make it static.
16225 * rtl.h: Remove the prototype for
16226 initialize_uninitialized_subregs.
16228 * function.c (instantiate_virtual_regs): Make it static.
16229 * function.h: Remove the prototype for
16230 instantiate_virtual_regs.
16232 * regmove.c (regmove_optimize, combine_stack_adjustments):
16234 * rtl.h: Remove the prototypes for regmove_optimize and
16235 combine_stack_adjustments.
16237 2006-01-17 Roger Sayle <roger@eyesopen.com>
16239 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16240 (size_cost): Encode costs in bytes so that a reg-reg addition is
16241 equivalent to COSTS_N_INSNS(1).
16242 (override_options): Use the size_cost.branch_cost as the default
16243 ix86_branch_cost when optimizing for size.
16245 2006-01-18 Ben Elliston <bje@au.ibm.com>
16247 * Makefile.in (D32PBIT_FUNCS): New.
16248 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16249 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16250 D64PBIT_FUNCS and D128PBIT_FUNCS.
16251 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16252 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16254 (decnumber_dep): Define.
16255 * doc/libgcc.texi (Decimal float library routines): New node.
16256 * config/dfp-bit.h, config/dfp-bit.c: New files.
16258 2006-01-18 Ben Elliston <bje@au.ibm.com>
16260 * expr.c (emit_move_change_mode): Always adjust addresses, not
16261 just during reload. Copy replacements only during reload.
16262 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16263 emit_move_via_integer.
16265 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16267 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16268 instead of $(srcdir) and ${srcdir}.
16270 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16273 PR middle-end/11135
16274 * arm.h (struct machine_function): Add pic_reg.
16275 * arm.c (arm_pic_register): Make unsigned.
16276 (arm_override_options): Only set arm_pic_register if
16277 TARGET_SINGLE_PIC_BASE.
16278 (use_return_insn): Only test for a pic register if it is fixed.
16279 (arm_compute_save_reg0_reg12_mask): Likewise.
16280 (thumb_compute_save_reg_mask): Likewise.
16281 (legitimate_pic_operand): Factor out some known invariants.
16282 (legitimize_pic_address): If we don't have a fixed pic register,
16283 then set up a pseudo in the function entry sequence. Handle the
16284 pic base being in a pseudo.
16285 (arm_load_pic_register): Handle the pic register being in a pseudo.
16286 (arm_expand_prologue): Only set up the pic register if it is fixed.
16287 (thumb_expand_prologue): Likewise.
16288 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16289 (pic_load_addr_based_insn): Likewise.
16290 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16293 2006-01-18 Ben Elliston <bje@au.ibm.com>
16295 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16296 decimal float modes for all floating point registers.
16298 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16299 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16301 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16304 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16305 even when the pointer is not NULL.
16307 2006-01-16 Ian Lance Taylor <ian@airs.com>
16309 * common.opt (ftoplevel-reorder): New option.
16310 * cgraph.c (cgraph_asm_nodes): New global variable.
16311 (cgraph_asm_last_node): New static variable.
16312 (cgraph_order): New global variable.
16313 (cgraph_create_node): Set new order field.
16314 (cgraph_varpool_node): Likewise.
16315 (decide_is_variable_needed): Return true if not
16316 flag_toplevel_reorder.
16317 (cgraph_add_asm_node): New function.
16318 * cgraph.h (struct cgraph_node): Add order field.
16319 (struct cgraph_varpool_node): Add order field.
16320 (struct cgraph_asm_node): Define.
16321 (cgraph_asm_nodes, cgraph_order): Declare.
16322 (cgraph_add_asm_node): Declare.
16323 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16325 (cgraph_varpool_assemble_pending_decls): Call it.
16326 (cgraph_output_pending_asms): New static function.
16327 (cgraph_finalize_compilation_unit): Call it.
16328 (struct cgraph_order_sort): Define.
16329 (cgraph_output_in_order): New static function.
16330 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16331 !flag_toplevel_reorder case.
16332 * c-parser.c: Include "cgraph.h".
16333 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16335 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16336 than -fno-unit-at-a-time.
16337 * doc/invoke.texi (Option Summary): Mention
16338 -fno-toplevel-reorder.
16339 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16340 -funit-at-a-time documentation.
16342 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16343 Kazu Hirata <kazu@codesourcery.com>
16345 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16347 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16349 * Makefile.in (FUNCTION_H): New. Use it instead of
16350 function.h throughout the file.
16351 * function.h: Include tree.h.
16353 2006-01-17 Ben Elliston <bje@au.ibm.com>
16355 * recog.c: Separate some functions with whitespace.
16357 2006-01-16 Richard Henderson <rth@redhat.com>
16359 Merge from gomp branch:
16360 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16361 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16362 and rename from struct inline_data. Rename callee* to dst*;
16363 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16364 transform_new_cfg, transform_return_to_modify, and
16365 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16367 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16368 (copy_decl_for_dup): Remove.
16369 * tree-inline.c (struct inline_data): Move to header.
16370 (insert_decl_map): Export.
16371 (remap_decl): Update for member name changes. Use copy_decl hook.
16372 Allow for replacement to be a non-decl. Remove dead code.
16373 (remap_type_1): Check for existing mapping.
16374 (remap_type): Export.
16375 (remap_decls): Update for member name changes.
16376 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16377 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16378 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16379 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16380 (tree_function_versioning, build_duplicate_type): Likewise.
16381 (copy_body_r): Likewise. Export.
16382 (copy_decl_for_dup): Split into ...
16383 (copy_decl_for_dup_finish, copy_decl_to_var,
16384 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16385 (replace_ref_tree, inlining_p): Remove.
16387 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16389 * ifcvt.c (if_convert): Make it static.
16390 * rtl.h: Remove the prototype for if_convert.
16392 * local-alloc.c (local_alloc): Make it static.
16393 * rtl.h: Remove the prototype for local_alloc.
16395 * loop.c (loop_optimize): Make it static.
16396 * cfgloop.h: Remove the prototype for loop_optimize.
16399 2006-01-16 DJ Delorie <dj@redhat.com>
16401 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16404 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16406 * pa.md: Disparage copies between general and floating-point registers
16407 in 32-bit move patterns.
16409 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16412 * Makefile.in (check-%): Depend on site.exp instead of
16413 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16416 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16418 * global.c (global_alloc): Make it static.
16419 * rtl.h: Remove the prototype for global_alloc.
16421 2006-01-16 Richard Guenther <rguenther@suse.de>
16423 * tree-ssa-alias.c (struct used_part): Add write_only field.
16424 (get_or_create_used_part_for): Initialize it to true.
16425 (create_overlap_variables_for): Don't create structure variables
16426 for structures that only are written to.
16427 (find_used_portions): Handle MODIFY_EXPR to track whether a
16428 structure is only written to.
16430 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16432 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16434 * basic-block.h: Remove the prototype for
16435 partition_hot_cold_basic_blocks.
16437 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16439 * cppspec.c (lang_specific_spec_functions): Remove.
16440 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16441 * gcc.h (lang_specific_spec_functions): Remove.
16442 * gccspec.c (lang_specific_spec_functions): Remove.
16444 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16446 * combine.c (record_value_for_reg): Invalidate registers
16448 (record_dead_and_set_regs_1): Likewise, by passing them to
16449 record_value_for_reg.
16450 (record_dead_and_set_regs): Invalidate stores made by a
16451 call. We do not combine across a call, but we still
16452 relied on equivalences.
16454 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16456 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16457 vrp_int_const_binop returning non-constant nodes.
16459 2006-01-16 Paul Brook <paul@codesourcery.com>
16461 * config/m68k/m68k.c (output_move_const_into_data_reg):
16462 Output correct mnemonic for mvz and mvs.
16464 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16466 * rtl-factoring.c: Add sequence abstraction algorithm.
16467 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16468 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16470 (block_has_preserve_label): New function.
16471 * common.opt: Register new pass.
16472 * Makefile.in: Ditto.
16474 * timevar.def: Ditto.
16475 * tree-pass.h: Ditto.
16476 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16477 * rtl.h (make_jump_insn_raw): Add forward decl.
16478 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16480 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16481 Roger Sayle <roger@eyesopen.com>
16483 * fold-const.c (fold_minmax): New static function.
16484 (fold_binary) <MIN_EXPR>: Call it.
16485 <MAX_EXPR>: Likewise.
16486 * stor-layout.c (place_field): Use DECL_SIZE consistently
16487 in the computation of the new record size.
16489 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16491 * cse.c (cse_condition_code_reg): Make it static.
16492 * rtl.h: Remove the prototype for cse_condition_code_reg.
16494 * combine.c (combine_instructions): Make it static.
16495 * rtl.h: Remove the prototype for combine_instructions.
16497 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16500 * tree.c (get_file_function_name_long): Concatenate the first global
16501 object name with a string derived from the input filename of the object
16504 2006-01-16 Ben Elliston <bje@au.ibm.com>
16506 * config/i386/winnt-stubs.c: Update FSF address.
16507 * config/xtensa/ieee754-df.S: Ditto.
16508 * config/xtensa/ieee754-sf.S: Ditto.
16510 2006-01-14 Ian Lance Taylor <ian@airs.com>
16512 * ifcvt.c (noce_init_if_info): New static function, broken out of
16513 noce_process_if_block.
16514 (noce_process_if_block): Call noce_init_if_info.
16515 (check_cond_move_block): New static function.
16516 (cond_move_process_if_block): New static function.
16517 (process_if_block): Call cond_move_process_if_block.
16519 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16521 * cselib.c (hash_table): Rename to cselib_hash_table.
16522 (cselib_clear_table, discard_useless_values,
16523 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16524 cselib_init, cselib_finish): Adjust uses of hash_table.
16526 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16528 PR tree-optimization/25485
16529 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16530 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16531 is known to be false and true, respectively.
16533 2006-01-14 Richard Guenther <rguenther@suse.de>
16535 PR tree-optimization/22548
16536 PR tree-optimization/22555
16537 PR tree-optimization/22501
16538 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16539 * params.def (salias-max-array-elements): New parameter.
16540 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16541 * doc/invoke.texi (salias-max-array-elements): Document.
16542 * tree-flow-inline.h (var_can_have_subvars): We also handle
16544 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16546 * tree-ssa-structalias.c (params.h): Include.
16547 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16548 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16549 (get_constraint_for): For ADDR_EXPR operating on something
16550 containing an ARRAY_REF, add all subvars to the solution.
16551 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16552 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16553 for creating MUST_DEFs.
16554 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16556 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16558 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16560 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16561 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16562 number_of_iterations_le): New functions.
16563 (number_of_iterations_special): Removed.
16564 (number_of_iterations_exit): Do not use number_of_iterations_special.
16565 * tree.c (unsigned_type_for): Always return integer type.
16567 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16568 Richard Guenther <rguenther@suse.de>
16570 PR rtl-optimization/24257
16571 * gcse.c (find_moveable_store): Only consider a store movable
16572 when the SET_SRC of the insn can be assigned to a register.
16574 2006-01-14 Ian Lance Taylor <ian@airs.com>
16576 * tree.c (tree_not_class_check_failed): New function.
16577 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16578 (tree_not_class_check_failed): Declare.
16580 2006-01-13 Ian Lance Taylor <ian@airs.com>
16582 * reload1.c (do_output_reload): Add assertion rejecting a
16585 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16587 * combine.c (struct reg_stat): Add new fields truncation_label and
16589 (record_value_for_reg): Reset truncated_to_mode.
16590 (record_truncated_value): New function.
16591 (check_promoted_subreg): Call it. Rename to check_conversions.
16592 (combine_instructions): Rename check_promoted_subreg to
16594 (reg_truncated_to_mode): New function.
16595 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16596 (gen_lowpart_or_truncate): New function.
16597 (force_to_mode): Use it instead of gen_lowpart.
16599 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16601 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16602 VAR is a tag, not its type tag.
16604 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16606 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16607 alternatives to match style of other entries.
16608 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16610 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16612 PR tree-optimization/25771
16613 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16616 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16619 * tree-inline.c (declare_return_variable): If the return variable
16620 was marked as a non gimple complex, set the return slot variable
16621 to be a non gimple comple variable.
16623 2006-01-13 Richard Guenther <rguenther@suse.de>
16625 * builtins.c (expand_builtin_sincos): New function.
16626 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16628 (expand_builtin): Expand sincos using expand_builtin_sincos.
16630 2006-01-12 DJ Delorie <dj@redhat.com>
16632 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16633 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16634 so that constant shifts can be split.
16635 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16636 (m32c_valid_pointer_mode): Make static.
16637 (shift_gen_func_for): New.
16638 (m32c_prepare_shift): Use it. Split large const shifts into
16640 * config/m32c/predicates.md (shiftcount_operand): Allow more
16642 (longshiftcount_operand): New.
16643 * doc/md.texi (Machine Constraints): Document In6.
16645 2006-01-13 Ben Elliston <bje@au.ibm.com>
16647 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16648 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16651 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16653 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16654 to try to avoid clobbering pieces of structures when we know
16655 something about the whole structure.
16656 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16658 2006-01-13 Ben Elliston <bje@au.ibm.com>
16660 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16661 return in memory, as this is no limitation is no longer present.
16663 2006-01-12 DJ Delorie <dj@redhat.com>
16665 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16666 mova with fb, and for fb+0 -> An.
16668 * config/m32c/mov.md (peephole2): Fix enabling logic.
16670 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16671 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16672 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16673 FINI_ARRAY_SECTION_ASM_OP): Define.
16675 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16677 (m32c_legitimize_reload_address): New logic to reload FB to An.
16678 (m32c_output_reg_push): Add newline.
16679 (m32c_output_reg_pop): Likewise.
16681 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16683 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16685 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16687 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16689 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16691 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16694 2006-01-11 Ben Elliston <bje@au.ibm.com>
16696 * rtlanal.c (find_reg_note): Assert insn is not null.
16698 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16700 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16703 2006-01-11 Jeff Law <law@redhat.com>
16705 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16707 (mark_threaded_blocks, register_jump_thread): New functions.
16708 (thread_through_all_blocks): Remove unwanted argument. No
16709 longer rely on e->aux to communicate thread target info.
16710 Call mark_threaded_blocks. Release the threaded_blocks
16711 bitmap and threaded_edges vector when complete.
16712 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16713 (threaded_blocks): Remove.
16714 (tree_ssa_dominator_optimize): Remove initialization and
16715 finalization of threaded_blocks. Simplify call to
16716 thread_through_all_blocks.
16717 (thread_across_edge): Call register_jump_thread rather than
16718 storing thread information into e->aux.
16719 (free_all_edge_infos): Simplify now that e->aux is no longer
16720 used to communicate with thread_through_all_blocks.
16721 * tree-flow.h (thread_through_all_blocks): Update prototype.
16722 (register_jump_thread): Prototype.
16724 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16726 * df-core.c (df_compact_blocks, df_bb_replace): Use
16727 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16729 2006-01-11 Richard Guenther <rguenther@suse.de>
16731 PR tree-optimization/25734
16732 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16733 stop propagation after successful propagation to the LHS.
16735 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16737 * basic-block.h (control_flow_graph): Change the type of
16738 x_basic_block_info to VEC(basic_block,gc) *.
16739 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16741 (SET_BASIC_BLOCK): New.
16742 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16743 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16744 * cfgbuild.c (find_basic_blocks): Likewise.
16745 * cfglayout.c (fixup_reorder_chain): Likewise.
16746 * cfgrtl.c (create_basic_block_structure,
16747 rtl_create_basic_block): Likewise.
16748 * ifcvt.c (find_if_case_1): Likewise.
16749 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16752 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16754 * Makefile.in: Removed rotted odf.c entry.
16756 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16759 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16760 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16761 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16762 output pattern modifier, not %e.
16763 * config/cris/cris.c (cris_op_str): Update comment about pattern
16765 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16766 before falling through into...
16767 <case 'E'>: Redefined from old 'e' case.
16769 2006-01-11 Jan Hubicka <jh@suse.cz>
16772 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16774 2006-01-11 Jan Hubicka <jh@suse.cz>
16776 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16777 * i386.c (x86_decompose_lea): Kill.
16778 (ix86_rtx_costs): Kill.
16780 2006-01-11 Jan Hubicka <jh@suse.cz>
16782 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16783 * cgraph.h (cgraph_node): Add inline_decl.
16784 (cgraph_insert_node_to_hashtable): Declare.
16785 (save_inline_function_body): Declare.
16786 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16788 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16789 (cgraph_function_versioning): Update call of tree_function_versioning.
16790 (save_inline_function_body): New function.
16791 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16792 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16793 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16794 (cgraph_default_inline_p): Likewise.
16795 (cgraph_decide_inlining_incrementally): Likewise.
16796 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16797 (copy_bb): Kill saving; do updating of clones.
16798 (copy_cfg_body): Kill saving.
16799 (initialize_inlined-parameters): Likewise.
16800 (expand_call_inline): Likewise.
16802 (tree_function_versioning): New parameter "update_clones".
16803 (inlining_p): Kill saving.
16804 * tree-inline.h (tree_function_versioning): Update prototype.
16805 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16808 2006-01-11 Ian Lance Taylor <ian@airs.com>
16810 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16811 Allow undoing set of machine mode.
16812 (do_SUBST): Use enums instead of is_int.
16813 (do_SUBST_MODE): New function.
16814 (SUBST_MODE): New macro.
16815 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16816 reg and trying to replace reg_regno_rtx with a new register.
16817 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16818 (simplify_set): Use SUBST_MODE.
16819 (distribute_notes): Remove code that tried to update reg notes
16820 for regno_reg_rtx changes.
16822 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16824 PR tree-optimization/23109
16825 PR tree-optimization/23948
16826 PR tree-optimization/24123
16828 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16829 * tree-cfg.c (single_noncomplex_succ): New.
16830 * tree-flow.h (single_noncomplex_succ): Declare it.
16831 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16832 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16833 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16834 insert_bb, register_division_in, insert_reciprocals,
16835 replace_reciprocal, free_bb): New.
16836 (execute_cse_reciprocals_1): Rewritten.
16837 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16838 Do not commit any edge insertion. Always compute dominators and
16839 create the allocation pool.
16840 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16841 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16842 * targhooks.c (default_min_divistions_for_recip_mul): New.
16843 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16844 * passes.c (init_optimization_passes): Run recip after tree loop
16846 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16848 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16849 Kenneth Zadeck <zadeck@naturalbridge.com>
16851 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16852 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16853 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16854 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16855 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16856 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16857 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16858 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16859 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16860 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16861 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16862 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16863 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16864 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16865 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16866 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16867 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16868 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16869 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16870 DF_SCAN_POST_ALLOC): New macros.
16871 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16872 df_free_bb_function, df_local_compute_function, df_init_function,
16873 df_dataflow_function, df_confluence_function_0,
16874 df_confluence_function_n, df_transfer_function,
16875 df_finalizer_function, df_free_function, df_dump_problem_function,
16876 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16877 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16878 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16879 df_urec_bb_info, ) New types.
16880 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16882 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16883 df_analyze_simple_change_some_blocks,
16884 df_analyze_simple_change_one_block, df_compact_blocks,
16885 df_bb_replace, df_bb_regno_last_use_find,
16886 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16887 df_insn_regno_def_p, df_find_def, df_find_use,
16888 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16889 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16890 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16891 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16892 debug_df_chain, df_get_dependent_problem, df_chain_create,
16893 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16894 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16895 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16896 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16897 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16898 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16899 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16900 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16901 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16902 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16903 df_reorganize_refs, df_set_state, df_hard_reg_init,
16904 df_read_modify_subreg_p) New public functions.
16905 * df-core.c: The core dataflow solver and glue routines for rtl
16907 (df_init, df_add_problem, df_set_blocks, df_finish,
16908 df_hybrid_search_forward, df_hybrid_search_backward,
16909 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16910 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16911 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16912 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16913 df_reg_defined, df_find_use, df_reg_used, df_dump,
16914 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16915 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16916 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16917 debug_df_useno, reset_df_after_reload): New functions.
16918 * df-scan.c: The scanning fuctions, once in df.c, completely
16919 rewritten so that they now fully model the functionality of
16920 register usage at the backend.
16921 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16922 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16923 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16924 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16925 df_get_artificial_defs, df_get_artificial_uses,
16926 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16927 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16928 df_refs_delete, df_reorganize_refs, df_set_state,
16929 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16930 df_def_record_1, df_defs_record, df_uses_record,
16931 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16932 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16933 df_record_exit_block_uses, df_hard_reg_init): New functions.
16935 * df-problems.c: Seven concrete dataflow problems that use the
16936 scanning in df-scan.c and are solved by the engine in df-core.c.
16937 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16938 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16939 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16940 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16941 df_ru_free_bb_info, df_ru_alloc,
16942 df_ru_bb_local_compute_process_def,
16943 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16944 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16945 df_ru_transfer_function, df_ru_free, df_ru_dump,
16946 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16947 df_rd_free_bb_info, df_rd_alloc,
16948 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16949 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16950 df_rd_transfer_function, df_rd_free, df_rd_dump,
16951 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16952 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16953 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16954 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16955 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16956 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16957 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16958 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16959 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16960 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16961 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16962 df_urec_mark_reg_use_for_earlyclobber,
16963 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16964 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16965 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16966 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16967 df_chain_create_bb_process_use, df_chain_create_bb,
16968 df_chain_finalize, df_chain_free, df_chains_dump,
16969 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16970 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16971 df_reg_lifetime): New functions.
16972 * df.c: Deleted file.
16973 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16974 consistent with new df api.
16975 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16976 rest_of_handle_sms): Ditto.
16977 * web.c (unionfind_union, union_defs, entry_register, web_main):
16979 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16980 invariant_expr_equal_p, find_defs, check_dependencies,
16981 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16982 free_inv_motion_data, move_loop_invariants): Ditto.
16983 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16984 Update dependencies.
16985 (odf.c): Added defective entry that was deleted later in day.
16986 * sched-deps.c (sched_analyze_1): Ditto.
16988 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16990 * tree-ssa-operands.c (get_expr_operands): Record addressable
16991 variables directly. Do not call add_stmt_operands for CONST_DECLs
16993 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16994 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16996 2006-01-11 Ben Elliston <bje@au.ibm.com>
16998 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16999 function returns true in the positive case.
17001 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17004 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17005 for SI, DI, SF and DF modes. Add alternatives to copy between
17006 general and floating point registers to the 32-bit patterns.
17007 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17008 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17009 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17010 generating 64-bit code.
17011 * config/pa/pa.c (output_move_double): Handle copies between general
17012 and floating registers.
17014 2006-01-10 Stuart Hastings <stuart@apple.com>
17016 * config/i386/i386.md (set_got): Update.
17017 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17018 (builtin_setjmp_receiver): Mach-O support.
17019 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17020 (GOT_SYMBOL_NAME): Define.
17021 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17022 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17023 * config/i386/i386.c (override_options): Revise for Darwin.
17024 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17025 support. (darwin_x86_file_end): New. (output_set_got): Add label
17026 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17027 * config/i386/i386-protos.h (output_set_got): Likewise.
17028 * config/darwin.c (machopic_legitimize_pic_address): Update
17031 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17033 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17034 when MODE isn't BLKmode.
17036 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17038 PR rtl-optimization/25367
17039 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17041 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17044 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17045 for a negative bound.
17047 2006-01-10 Richard Guenther <rguenther@suse.de>
17049 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17050 Never override with anything constraint.
17052 2006-01-10 Jan Beulich <jbeulich@novell.com>
17054 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17055 256 bits when optimize_size.
17057 2006-01-10 Jan Beulich <jbeulich@novell.com>
17059 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17061 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17062 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17065 2006-01-10 Ben Elliston <bje@au.ibm.com>
17067 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17069 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17070 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17071 (USE_FP_FOR_ARG): Reject decimal float modes.
17072 (function_arg_advance): Likewise.
17073 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17074 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17075 point types in AltiVec vectors.
17076 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17077 (rs6000_libcall_value): Likewise.
17079 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17081 * config/xtensa/ieee754-df.S: New file.
17082 * config/xtensa/ieee754-sf.S: New file.
17083 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17084 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17085 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17087 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17089 * config/sh/predicates.md (binary_float_operator,
17090 binary_logical_operator, commutative_float_operator,
17091 equality_comparison_operator, greater_comparison_operator,
17092 less_comparison_operator, logical_operator,
17093 noncommutative_float_operator, shift_operator,
17094 symbol_ref_operand, unary_float_operator): Remove redundant
17097 2006-01-09 Jeff Law <law@redhat.com>
17099 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17100 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17101 now unused arguments. Callers updated.
17102 (eliminate_redundant_computations): Remove now unused arguments,
17104 (local_fold): Remove, no longer used.
17105 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17107 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17108 (simplify_cond): New function.
17109 (forward_propagate_into_cond): Call simplify_cond.
17111 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17113 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17114 (*vec_extractv2di_1_sse): New.
17116 2006-01-09 Ben Elliston <bje@au.ibm.com>
17118 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17120 2006-01-08 Richard Guenther <rguenther@suse.de>
17122 * tree-ssa-structalias.c (get_constraint_for): Remove
17123 anyoffset argument.
17124 (get_constraint_for_component_ref): Likewise.
17125 (do_deref): Likewise.
17126 (get_constraint_for): Likewise.
17127 (do_structure_copy): Likewise.
17128 (handle_ptr_arith): Likewise.
17129 (find_func_aliases): Likewise. Remove unused need_anyoffset
17132 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17133 Kaz Kojima <kkojima@gcc.gnu.org>
17135 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17136 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17137 (EXTRA_CONSTRAINT_C16): Remove.
17138 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17139 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17140 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17141 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17142 constants of SHmedia. Handle nested constant expressions of
17144 (andcosts): Fix the costs for SHmedia constants.
17145 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17146 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17147 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17148 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17149 (movv4hi_i, movv2si_i): Likewise.
17150 (movsi_const): Adjust the second operand of ior so to match with
17151 the Csu constraint.
17152 (movdi_const, movdi_const_32bit): Likewise.
17153 (movdi_const_16bit+1): Don't sign-extend LOW.
17154 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17156 (*double_shori): Fix the split condition. Use GEN_INT instead
17157 of get_int_mode calls. Mask lower 16-bit of the argument of
17159 (sym2GOTPLT): Remove.
17160 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17162 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17163 instead of EXTRA_CONSTRAINT_C16.
17165 2006-01-07 Ian Lance Taylor <ian@airs.com>
17166 David Edelsohn <edelsohn@gnu.org>
17168 PR rtl-optimization/25662
17169 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17170 for constant operands instead of simplify_gen_binary.
17171 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17172 after trying simplify_binary_operation
17174 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17176 * tree.c (iterative_hash_expr): Hash decls based on UID.
17178 2006-01-06 Eric Christopher <echristo@apple.com>
17180 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17181 (TARGET_UNWIND_EMIT): Fix spelling.
17182 * target.h (gcc_target): Add except_table_label.
17183 * except.c (output_function_exception_table): Use.
17184 * varasm.c (default_emit_except_table_label): New.
17185 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17187 (asm_out): Add here.
17188 * output.h (default_emit_except_table_label): Prototype.
17189 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17190 * config/darwin.c (darwin_emit_except_table_label): Define.
17191 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17193 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17195 PR tree-optimization/18527
17196 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17197 number_of_iterations_special, number_of_iterations_exit):
17198 Move base and step of an iv to a single structure. Add
17199 no_overflow flag, and use it in # of iterations analysis.
17200 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17201 folded_casts argument.
17202 (simple_iv): Pass base and step in a structure. Set no_overflow
17204 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17205 Evaluate expensiveness of computing # of iterations instead of
17206 the final expression.
17207 * tree-scalar-evolution.h (affine_iv): New structure.
17208 (simple_iv): Declaration changed.
17209 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17210 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17211 find_givs_in_stmt): Changed due to simple_iv change.
17213 2006-01-06 Jeff Law <law@redhat.com>
17216 * tree-cfg.c (bsi_replace): Rename final argument from
17217 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17218 change (stmt -> orig_stmt).
17219 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17220 (bsi_remove): Add new argument. Remove EH information
17222 (verify_eh_throw_table_statements): New function.
17223 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17225 * tree-optimize.c (execute_free_cfg_annotations): Verify
17226 the EH throw statement table after removing annotations.
17227 * except.h (verify_eh_throw_table_statements): Prototype.
17228 * tree-flow.h (bsi_remove): Update prototype.
17229 * tree-vrp.c (remove_range_assertions): Add new argument to
17231 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17232 * tree-complex.c (expand_complex_div_wide): Likewise.
17233 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17234 * tree-tailcall.c (eliminate_tailcall): Likewise.
17235 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17236 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17237 * tree-nrv.c (tree_nrv): Likewise.
17238 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17239 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17240 (combine_blocks): Likewise.
17241 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17242 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17243 (cleanup_control_flow): Likewise.
17244 (remove_forwarder_block): Likewise.
17245 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17246 * tree-sra.c (sra_replace): Likewise.
17247 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17248 (forward_propagate_single_use_vars): Likewise.
17249 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17250 * tree-inline.c (expand_call_inline): Likewise.
17251 * tree-vect-transform.c (vect_transform_loop): Likewise.
17252 * tree-outof-ssa.c (rewrite_trees): Likewise.
17253 * tree-cfg.c (make_goto_expr_edges): Likewise.
17254 (cleanup_dead_labels): Likewise.
17255 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17256 (bsi_move_before, bsi_move_after): Likewise.
17257 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17258 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17260 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17263 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17265 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17266 on non gimple variables. Also add checks at the top for decls and
17268 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17270 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17271 and IMAGPART_EXPR for creating MUST_DEFs.
17272 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17273 and NAME_MEMORY_TAG separately from the DECLs.
17275 2006-01-06 Richard Guenther <rguenther@suse.de>
17277 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17278 annotation, if necessary.
17279 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17280 redundant calls to update_stmt.
17281 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17284 2006-01-05 Richard Henderson <rth@redhat.com>
17286 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17288 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17290 * c-typeck.c: Update copyright date.
17292 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17294 * c-typeck.c (build_c_cast): Always warn when casting
17295 from a pointer to an integer of different size, even if
17296 the node was constant.
17298 2006-01-05 Richard Guenther <rguenther@suse.de>
17300 PR tree-optimization/22555
17301 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17302 if one structure field is an array.
17303 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17304 operands even if we found a subvar, but ignore VOPs in this
17306 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17308 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17310 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17312 PR middle-end/24998
17313 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17315 2006-01-05 Richard Guenther <rguenther@suse.de>
17316 Diego Novillo <dnovillo@redhat.com>
17318 * tree-pass.h (TODO_remove_unused_locals): Define.
17319 * gimple-low.c (expand_var_p, remove_useless_vars,
17320 pass_remove_useless_vars): Remove. Update all users.
17321 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17322 (remove_unused_locals): New function.
17323 * tree-flow.h (remove_unused_locals): Declare.
17324 * passes.c (execute_todo): Call remove_unused_locals if
17325 TODO_remove_unused_locals is set.
17326 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17327 * tree-ssa-dce.c (pass_dce): Likewise.
17328 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17330 2006-01-05 Richard Guenther <rguenther@suse.de>
17332 * tree-flow.h (struct fieldoff): Decompose field to
17333 type, size and decl.
17334 * tree-ssa-alias.c (create_sft): Take type as parameter.
17335 (create_overlap_variables_for): Store type, size and decl
17336 in the fieldoff structure.
17337 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17338 of struct fieldoff.
17339 (push_fields_onto_fieldstack): Likewise.
17340 (create_variable_info_for): Likewise. Use offset for the
17341 SFT name if the decl is not available.
17343 2006-01-04 Paul Brook <paul@codesourcery.com>
17345 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17347 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17349 * lambda-code.c (can_put_in_inner_loop): Relax
17351 (can_put_after_inner_loop): New function.
17352 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17353 (perfect_nestify): Change to make copies and modify uses.
17355 2006-01-04 Richard Henderson <rth@redhat.com>
17357 Merge from gomp branch:
17358 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17359 via integer constant.
17360 (pragma_lex): Remove.
17361 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17362 rather than parsing it.
17363 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17364 handle_pragma_extern_prefix): Add %< %> quotes.
17365 (registered_pragmas): New.
17366 (c_register_pragma_1): New.
17367 (c_register_pragma): Use it.
17368 (c_register_pragma_with_expansion): Likewise.
17369 (c_invoke_pragma_handler): New.
17370 (init_pragma): Use cpp_register_deferred_pragma directly for
17372 * c-pragma.h (enum pragma_kind): New.
17373 (pragma_handler): New.
17374 (c_invoke_pragma_handler): Declare.
17375 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17377 * c-common.h (c_common_pch_pragma): Update decl.
17378 * Makefile.in (c-parser.o): Update dependencies.
17379 (GTFILES): Add c-pragma.h.
17380 * c-parser.c (struct c_token): Add pragma_kind.
17381 (struct c_parser): Add in_pragma.
17382 (c_lex_one_token): Always initialize keyword and pragma_kind.
17383 Extract data for CPP_PRAGMA.
17384 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17385 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17386 Don't allow CPP_PRAGMA_EOL if in_pragma.
17387 (c_parser_consume_pragma): New.
17388 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17389 (c_parser_skip_to_end_of_parameter): Likewise.
17390 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17391 (c_parser_skip_to_pragma_eol): New.
17392 (c_parser_external_declaration): Handle CPP_PRAGMA.
17393 (c_parser_compound_statement_nostart): Likewise.
17394 (c_parser_statement_after_labels): Likewise.
17395 (c_parser_pragma): New.
17396 (pragma_lex): Likewise.
17397 (c_parser_pragma_pch_preprocess): New.
17398 (c_parser_new): Merge into ...
17399 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17401 2006-01-04 Jeff Law <law@redhat.com>
17404 * tree-cfg.c (bsi_replace): Remove the original statement
17405 from the EH throw statement table.
17407 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17409 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17410 make the prototype extern "C" and add throw ().
17413 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17414 and pos non-negative and pos + len <= 32.
17415 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17416 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17417 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17420 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17421 as well as sizes not multiple of component size.
17424 * function.c (instantiate_expr): New function.
17425 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17426 walk its DECL_VALUE_EXPR with instantiate_expr.
17428 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17429 DW_OP_deref{,_size} if address isn't going to be added.
17431 2006-01-04 Ben Elliston <bje@au.ibm.com>
17433 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17434 * config/fp-bit.c: Likewise.
17436 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17438 * dominance.c: Add comment about why we use DFS numbering
17441 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17442 Richard Henderson <rth@redhat.com>
17444 Merge from gomp-branch:
17445 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17446 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17448 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17450 PR rtl-optimization/25578
17451 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17452 pass a parameter to simplify_shift_const if changing ASHIFTRT
17455 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17457 * builtins.c (get_builtin_sync_mem): New function.
17458 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17459 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17460 Call get_builtin_sync_mem to generate mem rtx.
17462 2006-01-03 Richard Guenther <rguenther@suse.de>
17465 * stmt.c (add_case_node): Make sure to clear overflow flags
17468 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17470 Merge from gomp-branch.
17471 * config/sparc/sync.md: New file.
17472 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17473 UNSPECV_LDSTUB): New constants.
17474 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17475 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17476 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17479 2006-01-03 Roger Sayle <roger@eyesopen.com>
17481 * combine.c (reg_subword_p): New predicate to test whether the
17482 destination of a set refers to a subword/piece of a register.
17483 (try_combine): Generalize the code to merge the setting of a
17484 pseudo to a constant followed by a set of a subword of that
17485 register to a constant.
17487 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17489 * basic-block.h (control_flow_graph): Change the type of
17490 x_label_to_block_map to VEC(basic_block,gc) *.
17491 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17492 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17494 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17495 VEC(basic_block,heap) *.
17496 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17497 ssa_prop_fini): Adjust the uses of cfg_blocks.
17499 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17501 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17503 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17504 hashing trees instead of a pointer hash.
17505 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17506 compare for MEM_EXPR.
17508 PR rtl-optimization/25130
17509 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17510 when comparing MEMs for GCSE
17512 2006-01-03 Ben Elliston <bje@au.ibm.com>
17514 * targhooks.h (default_decimal_float_supported_p): Declare.
17515 * targhooks.c (default_decimal_float_supported_p): Define.
17516 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17517 `default_decimal_float_supported_p'.
17518 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17520 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17522 * combine.c (apply_distributive_law <SUBREG>): Check
17523 TRULY_NOOP_TRUNCATION.
17525 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17527 * dwarf2out.c (have_switched_text_section): Delete.
17528 (have_multiple_function_sections): New.
17529 (have_location_lists): Make 'bool'.
17530 (add_AT_loc_list): Use 'true' not '1'.
17531 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17532 (output_loc_list): Use have_multiple_function_sections.
17533 (output_ranges): Likewise.
17534 (dwarf2out_begin_function): Set have_multiple_function_sections if
17536 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17537 Check function_section rather than DECL_SECTION_NAME.
17538 (dwarf2out_finish): Use have_multiple_function_sections.
17539 Don't clear have_location_lists.
17541 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17542 Jan Hubicka <jh@suse.cz>
17544 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17545 case of conditional jump jumping to the next instruction.
17546 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17547 cases of conditional jump jumping to the next instruction.
17549 2006-01-02 Jan Hubicka <jh@suse.cz>
17551 * i386.c (*_cost): Add COSTS_N_INSNS.
17552 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17554 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17557 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17559 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17561 * config/arm/arm.c (all_fpus): Fix comment typo.
17562 * config/darwin.c: Likewise.
17563 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17564 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17565 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17567 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17569 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17570 (rs6000_split_compare_and_swapqhi): New.
17571 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17572 (sync_compare_and_swapqhi_internal): New.
17573 * config/rs6000/rs6000-protos.h: Declare.