1 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2 Steven Bosscher <stevenb.gcc@gmail.com>
5 * Makefile.in: Add fwprop.o.
6 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
7 * passes.c (init_optimization_passes): Schedule forward propagation.
8 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
10 * timevar.def (TV_FWPROP): New.
11 * common.opt (-fforward-propagate): New.
12 * opts.c (decode_options): Enable forward propagation at -O2.
13 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
14 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
15 canon_for_address, table_size): Remove.
16 (new_basic_block, insert, remove_from_table): Remove references to
18 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
19 simplification loop more straightforward by not calling fold_rtx
21 (equiv_constant): Move here a small part of fold_rtx_subreg,
22 do not call fold_rtx. Call avoid_constant_pool_reference
24 * recog.c (canonicalize_change_group): New.
25 * recog.h (canonicalize_change_group): New.
27 * doc/invoke.texi (Optimization Options): Document fwprop.
28 * doc/passes.texi (RTL passes): Document fwprop.
30 2006-11-03 Geoffrey Keating <geoffk@apple.com>
32 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
33 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
34 (grokdeclarator): Likewise.
36 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
38 * tree-dump.c (dump_enable_all): Rename local variable
39 ir_type to avoid name conflicts.
40 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
41 instead of using ir_type().
42 * profile.c (tree_register_profile_hooks): Likewise.
43 * value-prof.c (tree_register_value_prof_hooks): Likewise.
44 * basic-block.h (struct edge_def): Likewise.
45 * config/arm/arm.c (legitimize_pic_address): Likewise.
46 * coretypes.h (ir_type): New enum of all intermediate languages
48 * cfghooks.c (ir_type): Rename to...
49 (current_ir_type): ...this. Distinguish between cfgrtl and
50 cfglayout mode when the current IR is RTL. Return enum ir_type.
51 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
53 2006-11-03 Paul Brook <paul@codesourcery.com>
55 * config/arm/arm.c (arm_file_start): New function.
56 (TARGET_ASM_FILE_START): Define.
57 (arm_default_cpu): New variable.
58 (arm_override_options): Set arm_default_cpu.
60 2006-11-03 David Ung <davidu@mips.com>
62 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
63 PROCESSOR_24KC and PROCESSOR_24KF.
64 * config/mips/mips.c (mips_cpu_info_table): Add processor names
65 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
66 (mips_rtx_cost_data): Add costs for the 24kc.
67 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
68 * config/mips/24k.md: Remove references to 24k and replace with
69 uses of 24kc/24kf in the appropriate reservations.
70 * doc/invoke.texi (MIPS Options): Updated.
72 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
74 * config/sh/crt1.asm: Fix #ifdef indent.
76 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
77 Merged from STMicroelectronics sources:
78 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
79 * config/sh/crt1.asm (vbr_600): Add missing #if.
80 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
81 * sh.opt (mfused-madd): New option.
82 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
83 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
84 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
85 Remove pointless handler at VBR+0.
86 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
87 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
88 fr7. Make sure the timer handler is called with the correct FPU
89 precision setting, according to the ABI.
90 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
91 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
92 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
93 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
94 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
95 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
96 zero as second operand.
97 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
98 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
99 Fixed some bugs related to negative values, in particular -0
100 and overflow at -0x80000000.
101 * config/sh/divcost-analysis: Added sh4-300 figures.
102 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
103 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
104 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
105 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
106 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
107 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
109 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
111 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
112 SH4-300 scheduling description & fixes to SH4-[12]00 description:
113 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
114 mac_mem, mem_mac, dfp_mul, fp_cmp.
115 (insn_class, dfp_comp, any_fp_comp): Update.
116 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
117 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
118 (muldf3_i): Likewise.
119 (movsi_i): Split rI08 alternative into two separate alternatives.
121 (movsi_ie, movsi_i_lowpart): Likewise.
122 (movqi_i): Split ri alternative into two separate alternatives.
124 * sh1.md (sh1_load_store, sh1_fp): Update.
125 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
126 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
127 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
128 (sh4a_fp_double_arith): Likewise.
129 * sh4-300.md: New file.
130 * sh.c (sh_handle_option): Handle m4-300* options.
131 (sh_adjust_cost): Fix latency of auto-increments.
132 Handle SH4-300 differently than other SH4s. Check for new insn types.
133 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
134 been set by an option.
135 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
136 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
137 (mbranch-cost=): Likewise.
138 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
140 * sh.md (mulsf3): Remove special expansion code.
141 (mulsf3_ie): Now a define_insn_and_split.
142 (macsf3): Allow for TARGET_SH4.
144 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
145 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
146 (expand_cbranchdi4): Likewise.
147 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
148 CONST_DOUBLE if the outer code is COMPARE.
149 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
150 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
151 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
152 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
153 Remove redundant fp_{zero,one}_operand checks.
154 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
155 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
156 (expand_cbranchdi4): Likewise.
157 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
158 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
160 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
162 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
165 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
167 * doc/invoke.texi: Fix mfp-trap-mode typo.
169 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
171 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
172 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
173 file_end_indicate_exec_stack.
174 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
176 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
177 for a non-executable stack.
178 * crti.asm: Likewise.
179 * crtn.asm: Likewise.
180 * libunwind.S: Likewise.
182 2006-11-02 Ben Elliston <bje@au.ibm.com>
184 * tree-ssa.c (warn_uninit): Use expand_location variables for
185 locus and declaration locus.
187 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
190 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
191 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
192 cmp{eq,gt,gtu}{si,di}_media.
193 (*cmpne0si_media): Remove.
194 (*movsicc_umin): Adjust gen_cmp*_media call.
195 (unordered): Change the mode of unordered and operands[1] to
197 (seq): Adjust gen_cmp*_media calls. Make the mode of
198 a temporary result of compare SImode if needed. If the mode
199 of operands[0] is DImode, extend the temporary result to DImode.
200 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
201 (sunorderd): Change the mode of match_operand and unorderd to
203 (cmpeq{sf,df}_media): Remove.
204 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
205 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
206 and compare operation to SImode.
208 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
210 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
212 (sparc64-sun-solaris2*): Likewise.
214 2006-11-02 Paul Brook <paul@codesourcery.com>
216 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
217 from priority argument. Use different section for non-default
219 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
221 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
224 * except.c (switch_to_exception_section): Do not cache the section
225 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
226 and flag_function_sections is set.
228 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
231 * builtins.c (do_mpfr_sincos): New.
232 (fold_builtin_1): Use it to fold builtin sincos.
234 2006-11-01 Roger Sayle <roger@eyesopen.com>
236 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
237 it into -D_REENTRANT.
239 2006-11-01 Roger Sayle <roger@eyesopen.com>
241 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
242 whether the assembler supports taking the difference of symbols in
243 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
244 * configure: Regenerate.
245 * config.in: Regenerate.
246 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
247 the assembler doesn't support taking the difference of symbols in
248 different sections, i.e. we're using the native solaris assembler.
250 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
251 Peter Bergner <bergner@vnet.ibm.com>
253 * doc/invoke.texi: Add cpu_type power6x
254 (RS/6000 and PowerPC Options): Add -mmfpgpr.
255 * config.gcc: Add cpu_type power6x.
256 * configure.ac: Add test for mf{t,f}gpr instructions.
257 (HAVE_AS_MFPGPR): New.
258 * config.in: Regenerate.
259 * configure: Regenerate.
260 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
261 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
262 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
263 and mftgpr attributes.
264 (define_attr "cpu"): Add power6.
265 Change instruction sequences to use new attributes.
266 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
267 (fix_truncdfsi2_mfpgpr): New.
268 (floatsidf_ppc64_mfpgpr): New.
269 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
270 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
271 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
272 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
273 (fix_truncdfsi2): Use gpc_reg_operand constraint.
274 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
275 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
276 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
277 cntlz,exts and var_delayed_compare.
278 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
279 _ARCH_PWR6X, if features enabled.
280 * config/rs6000/rs6000.opt (mmfpgpr): New.
281 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
282 (cached_can_issue_more): New variable.
283 (processor_costs): Add power6_cost.
284 (rs6000_sched_init): New function.
285 (is_dispatch_slot_restricted): Deleted.
286 (set_to_load_agen): New function.
287 (is_load_insn,is_store_insn): New functions.
288 (adjacent_mem_locations): New function.
289 (insn_must_be_first_in_group): New function.
290 (insn_must_be_last_in_group): New function.
291 (rs6000_sched_reorder): New function.
292 (rs6000_sched_reorder2): New function.
293 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
294 TARGET_SCHED_REORDER2): Define.
295 (processor_target_table): Use PROCESSOR_POWER6 for power6.
296 Add power6x. Add MASK_MFPGPR for power6x.
297 (POWERPC_MASKS): Add MASK_MFPGPR.
298 (rs6000_override_options): Set rs6000_always_hint to false
299 for power6. Set rs6000_align_branch_targets. Replace
300 rs6000_sched_groups check with rs6000_align_branch_targets.
301 Use PROCESSOR_POWER6.
302 (last_scheduled_insn): New variable.
303 (load_store_pendulum): New variable.
304 (rs6000_variable_issue): Set last_scheduled_insn and
305 cached_can_issue_more.
306 (rs6000_adjust_cost): Add power6 cost adjustments.
307 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
308 with insn_must_be_first_in_group. Add power6 priority adjustments.
309 (rs6000_issue_rate): Add CPU_POWER6.
310 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
311 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
312 (TARGET_MFPGPR): New.
313 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
314 (ASM_CPU_SPEC): Add power6x.
315 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
317 * config/rs6000/power6.md: New file.
319 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
321 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
322 HOST_WIDE_INT_PRINT to print high and low parts. Use
323 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
324 printing a hexadecimal number prefix it with 0x.
326 2006-11-01 Chris Johns <chris@contemporary.net.au>
329 * Makefile.in (install-driver): Use exeext when installing
330 $target-gcc-$version.
332 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
334 * c-common.c (flag_cpp0x): New.
335 * c-common.h (flag_cpp0x): New.
336 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
337 supported, define __GXX_EXPERIMENTAL_CPP0X__.
338 * c-opts.c (set_std_cxx0x): New.
339 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
340 * c.opt (std=c++0x): Document.
341 (std=gnu++0x): Ditto.
342 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
343 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
345 2006-11-01 Richard Guenther <rguenther@suse.de>
347 * config/i386/i386.c (ix86_expand_rint): Fix issues with
349 (ix86_expand_floorceildf_32): Likewise.
350 (ix86_expand_floorceil): Likewise.
351 (ix86_expand_trunc): Likewise.
353 2006-10-31 Andrew Pinski <pinskia@gmail.com>
355 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
358 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
360 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
362 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
364 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
366 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
367 * configure.ac (use_cxa_atexit): As a special case, don't test
368 for libc definition of __cxa_atexit on mingw32
369 * configure: Regenerate.
370 * config.gcc (i[34567]86-pc-mingw32): Default to
371 enable__cxa_atexit=yes.
373 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
375 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
377 2006-10-31 Geoffrey Keating <geoffk@apple.com>
380 * c-decl.c (start_struct): Don't create self-containing
382 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
384 * config/rs6000/rs6000-protos.h
385 (darwin_rs6000_special_round_type_align): New.
386 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
387 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
389 2006-10-31 Geoffrey Keating <geoffk@apple.com>
391 * toplev.c (compile_file): Call final_write_globals
392 even if there have been errors.
394 2006-10-31 Eric Christopher <echristo@apple.com>
395 Falk Hueffner <falk@debian.org>
397 * doc/extend.texi (__builtin_bswap32): Document.
398 (__builtin_bswap64): Ditto.
399 * doc/libgcc.texi (bswapsi2): Document.
401 * doc/rtl.texi (bswap): Document.
402 * optabs.c (expand_unop): Don't widen a bswap.
403 (init_optabs): Init bswap. Set libfuncs explicitly
404 for bswapsi2 and bswapdi2.
405 * optabs.h (OTI_bswap): New.
406 (bswap_optab): Ditto.
407 * genopinit.c (optabs): Handle bswap_optab.
408 * tree.h (tree_index): Add TI_UINT32_TYPE and
410 (uint32_type_node): New.
411 (uint64_type_node): Ditto.
412 * tree.c (build_common_tree_nodes_2): Initialize
413 uint32_type_node and uint64_type_node.
414 * builtins.c (expand_builtin_bswap): New.
415 (expand_builtin): Call.
416 (fold_builtin_bswap): New.
417 (fold_builtin_1): Call.
418 * fold-const.c (tree_expr_nonnegative_p): Return true
420 * builtin-types.def (BT_UINT32): New.
422 (BT_FN_UINT32_UINT32): Ditto.
423 (BT_FN_UINT64_UINT64): Ditto.
424 * builtins.def (BUILT_IN_BSWAP32): New.
425 (BUILT_IN_BSWAP64): Ditto.
426 * rtl.def (BSWAP): New.
427 * genattrtab.c (check_attr_value): New.
428 * libgcc2.c (__bswapSI2): New.
430 * libgcc2.h (__bswapSI2): Declare.
432 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
433 * simplify-rtx.c (simplify_const_unary_operation): Return
435 * libgcc-std.ver (__bwapsi2): Add.
437 * reload1.c (eliminate_regs_1): Add bswap.
438 (elimination_effects): Ditto.
439 * config/i386/i386.h (x86_bswap): New.
441 * config/i386/i386.c (x86_bswap): Set.
443 2006-10-31 Geoffrey Keating <geoffk@apple.com>
445 * coverage.c (coverage_checksum_string): Update comment.
446 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
447 of get_file_function_name.
448 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
449 of get_file_function_name_long.
450 * tree.c (get_file_function_name): Rename from
451 get_file_function_name_long; improve comment; handle 'I' and 'D'
452 specially when the target has ctor/dtor support; remove special
454 (get_file_function_name): Remove.
455 * tree.h (get_file_function_name): Rename from
456 get_file_function_name_long.
457 (get_file_function_name): Remove prototype.
459 2006-10-31 Geoffrey Keating <geoffk@apple.com>
461 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
462 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
464 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
465 Call dsymutil when compiling and linking one or more source files
468 2006-10-31 Geoffrey Keating <geoffk@apple.com>
471 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
473 2006-10-31 Geoffrey Keating <geoffk@apple.com>
475 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
476 inline static functions in c99 mode.
479 * doc/extend.texi (Inline): Update.
480 * c-tree.h (struct language_function): Remove field 'extern_inline'.
481 * c-decl.c (current_extern_inline): Delete.
482 (pop_scope): Adjust test for an undefined nested function.
483 Add warning about undeclared inline function.
484 (diagnose_mismatched_decls): Update comments. Disallow overriding
485 of inline functions in a translation unit in C99. Allow inline
486 declarations in C99 at any time.
487 (merge_decls): Boolize variables. Handle C99 'extern inline'
489 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
490 C99 inline semantics.
491 (start_function): Don't clear current_extern_inline. Don't set
493 (c_push_function_context): Don't push current_extern_inline.
494 (c_pop_function_context): Don't restore current_extern_inline.
497 * c-typeck.c (build_external_ref): Warn about static variables
498 used in extern inline functions.
499 * c-decl.c (start_decl): Warn about static variables declared
500 in extern inline functions.
502 2006-10-31 Roger Sayle <roger@eyesopen.com>
505 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
506 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
507 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
508 or y is an even integer.
510 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
513 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
514 * gthr-posix95.h (__gthread_active_p): Likewise.
516 2006-10-31 Richard Guenther <rguenther@suse.de>
518 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
519 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
520 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
521 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
522 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
523 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
524 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
525 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
528 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
530 * opts.c (decode_options): Disable CSE skip blocks.
532 2006-10-30 Dirk Mueller <dmueller@suse.de>
534 * c-common.h (strict_aliasing_warning): Fix whitespace.
535 * c-decl (start_function): Move code for main decl warning ..
536 * c-common.c (check_main_parameter_types): .. here.
537 * c-common.h (check_main_parameter_types): Declare.
539 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
542 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
544 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
546 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
547 be a PARALLEL containing sets. Return false when out_pat is not
550 2006-10-30 Richard Sandiford <richard@codesourcery.com>
552 * config/mips/mips.md (mul<mode>3): Split into...
553 (mulsi3, muldi3): ...these separate patterns.
555 2006-10-30 Richard Sandiford <richard@codesourcery.com>
557 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
558 but with each set of options separated by spaces.
560 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
562 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
563 dwarf_reg_size_table has been initialized.
565 2006-10-30 Roger Sayle <roger@eyesopen.com>
567 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
568 * ddg.c (print_ddg_edge): Likewise.
569 * dwarf2out.c (prune_unused_types_walk): Likewise.
570 * ifcvt.c (noce_try_cmove_arith): Likewise.
571 * langhooks.c (add_builtin_function): Likewise.
572 * reg-stack.c (subst_stack_regs_pat): Likewise.
573 * tree.c (expanded_location): Likewise.
574 * tree-dump.c (dequeue_and_dump): Likewise.
576 2006-10-30 David Daney <ddaney@avtrex.com>
578 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
580 2006-10-30 Jakub Jelinek <jakub@redhat.com>
582 PR tree-optimization/29637
583 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
584 of the innertype is the innertype itself.
586 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
588 * dwarf2out.c (file_name_acquire): Correct typo.
590 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
592 * tree.h (tree_value_handle): Remove struct value_set declaration.
593 Change value_set to bitmap_set.
594 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
595 * tree-vn.c (get_value_handle): Made inline and moved to
597 * tree-flow-inline.h: (has_stmt_ann): New function.
598 * tree-ssa-pre.c (expressions): New variable.
599 (next_expression_id): Ditto.
600 (alloc_expression_id): New function.
601 (struct value_set): Remove.
602 (get_expression_id): New function.
603 (get_or_alloc_expression_id): Ditto.
604 (expression_for_id): Ditto.
605 (clear_expression_ids): Ditto.
606 (FOR_EACH_EXPR_ID_IN_SET): New macro.
607 (bb_value_sets): Renamed to bb_bitmap_sets.
608 All value sets replaced with bitmap_sets.
610 (BB_VISITED): New macro.
611 (postorder): New variable.
612 (add_to_value): Removed.
613 (value_exists_in_set_bitmap): Ditto.
614 (value_insert_into_set_bitmap): Ditto.
618 (set_contains_value): Ditto.
619 (insert_into_set): Ditto.
621 (find_leader): Ditto.
622 (bitmap_set_subtract_from_value_set): Ditto.
623 (value_insert_into_set): Ditto.
624 (print_value_set): Ditto.
625 (debug_value_set): Ditto.
626 (constant_expr_p): New function.
627 (bitmap_remove_from_set): Ditto.
628 (bitmap_insert_into_set): Ditto.
629 (bitmap_set_free): Ditto.
631 (sorted_array_from_bitmap_set): Ditto.
632 (bitmap_set_subtract): Ditto.
633 (bitmap_set_equal): Ditto.
634 (debug_bitmap_set): Ditto.
635 (find_leader_in_sets): Ditto.
636 (bitmap_set_replace_value): Modify for bitmapped sets.
637 (phi_translate): Ditto.
638 (phi_translate_set): Ditto.
639 (bitmap_find_leader): Ditto.
640 (valid_in_sets): Ditto.
641 (union_contains_value): Ditto.
643 (compute_antic_aux): Ditto. Mark changed blocks.
644 (compute_antic): Ditto. Iterate in postorder and only over
646 (compute_rvuse_and_antic_safe): Reuse postorder.
647 (create_component_ref_by_pieces): Modify for bitmapped sets.
648 (find_or_generate_expression): Ditto.
649 (create_expression_by_pieces): Ditto.
650 (insert_into_preds_of_block): Ditto.
651 (changed_blocks): New variable.
652 (do_regular_insertion): Broken out from insert_aux.
653 (insert_aux): Modified for bitmapped sets.
654 (find_existing_value_expr): New function.
655 (create_value_expr_from): Use it.
656 (insert_extra_phis): Removed.
657 (print_bitmap_set): Renamed from bitmap_print_value_set.
658 (compute_avail): Handle RETURN_EXPR.
659 (init_pre): Modify for bitmapped sets.
660 * tree-flow.h (has_stmt_ann): New function.
662 2006-10-29 Roger Sayle <roger@eyesopen.com>
664 * builtins.c (fold_builtin_floor): Check for the availability of
665 the C99 trunc function before transforming floor into trunc.
667 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
669 * builtins.c (fold_builtin_hypot): Rearrange recursive
670 transformation before others, and also do ABS_EXPR. When
671 necessary, check flag_unsafe_math_optimizations. When necessary,
674 2006-10-29 Roger Sayle <roger@eyesopen.com>
676 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
677 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
678 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
679 Fold -X eq/ne -Y as X eq/ne Y.
681 2006-10-29 Richard Sandiford <richard@codesourcery.com>
683 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
684 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
685 rather than GENERATE_MULT3_SI in the various define_peephole2s.
686 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
687 Use an inclusive test for "mult" rather than "mul".
688 (rotr<mode>3): Depend on ISA_HAS_ROR.
689 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
691 (GENERATE_MULT3_DI): Delete.
692 (ISA_HAS_64BIT_REGS): Use consistent formatting.
693 (ISA_HAS_MUL3): New macro.
694 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
695 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
696 (ISA_HAS_CLZ_CLO): Likewise.
697 (ISA_HAS_DCLZ_DCLO): Delete.
698 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
699 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
700 the VR4120 and VR4130.
701 (ISA_HAS_MACCHI): Use consistent formatting.
702 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
703 (ISA_HAS_ROR): ...this new macro.
704 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
705 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
706 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
708 2006-10-29 Roger Sayle <roger@eyesopen.com>
710 PR tree-optimization/15458
711 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
714 2006-10-29 Richard Guenther <rguenther@suse.de>
716 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
717 (ix86_expand_truncdf_32): Likewise.
718 * config/i386/i386.c (ix86_expand_trunc): New function expanding
719 trunc inline for SSE math and -fno-trapping-math and if not
721 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
722 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
723 for expanding btrunc inline for SSE math.
725 2006-10-29 Joseph Myers <joseph@codesourcery.com>
727 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
728 Handle tuning for bi-arch i[34567]86-*-linux* like that for
729 i[34567]86-*-solaris2.1[0-9]*.
730 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
731 Define conditionally depending on TARGET_64BIT_DEFAULT.
732 (SPEC_32, SPEC_64): Define.
733 (LINK_SPEC): Use them.
734 * doc/install.texi (--enable-targets=all): Document for x86-linux.
736 2006-10-29 Richard Guenther <rguenther@suse.de>
738 * config/i386/i386-protos.h (ix86_expand_round): Declare.
739 (ix86_expand_rounddf_32): Likewise.
740 * config/i386/i386.c (ix86_expand_round): New function expanding
741 round inline for SSE math and -fno-trapping-math and if not
743 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
744 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
745 round via ix86_expand_round.
747 2006-10-29 Richard Guenther <rguenther@suse.de>
749 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
750 (ix86_expand_floorceildf_32): Likewise.
751 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
752 static helper function.
753 (ix86_expand_floorceil): Expander for floor and ceil to SSE
755 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
756 * config/i386/i386.md (floordf2): Adjust to enable floor
757 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
758 -fno-trapping-math is enabled and if not optimizing for size.
759 (floorsf2, ceildf2, ceilsf2): Likewise.
760 * config/i386/sse.md (sse_maskcmpsf3): New insn.
761 (sse2_maskcmpdf3): Likewise.
763 2006-10-29 Richard Guenther <rguenther@suse.de>
765 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
766 rint in case -fno-trapping-math is enabled.
767 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
768 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
769 (ix86_expand_sse_fabs): Likewise.
770 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
771 * config/i386/i386.md (rintdf2): Enable for SSE math if
772 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
775 2006-10-29 Richard Guenther <rguenther@suse.de>
777 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
778 to conversion optabs.
779 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
781 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
782 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
783 (lfloor_optab, lceil_optab): Adjust defines.
784 * builtins.c (expand_builtin_int_roundingfn): Adjust for
785 lfloor and lceil optabs now being conversion optabs.
786 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
787 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
788 New static helper function.
789 (ix86_expand_lfloorceil): New function to expand lfloor and
791 * config/i386/i386.md (lfloor<mode>2): Split into ...
792 (lfloorxf<mode>2): ... x87 variant
793 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
794 using ix86_expand_lfloorceil.
795 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
797 * doc/md.texi (lfloorMN, lceilMN): Document.
799 2006-10-29 Richard Sandiford <richard@codesourcery.com>
801 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
802 -mno-shared assembler option on mips targets.
803 * configure, config.in: Regenerate.
804 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
805 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
806 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
808 2006-10-29 Richard Sandiford <richard@codesourcery.com>
810 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
811 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
813 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
815 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
816 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
819 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
822 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
823 (fold_builtin_pow): Evaluate constant arguments at compile-time
825 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
826 (do_mpfr_ckconv): New helper function.
827 (do_mpfr_arg1): Use do_mpfr_ckconv.
830 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
833 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
834 (-fdump-rtl-sched): Rename to ..
835 (-fdump-rtl-sched1): here. Also fix file extension number.
837 2006-10-28 Richard Guenther <rguenther@suse.de>
839 * fold-const.c (maybe_canonicalize_comparison): Fix code
842 2006-10-28 Uros Bizjak <uros@kss-loka.si>
844 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
845 (NON_QI_REG_P): Use IN_RANGE.
846 (REX_INT_REGNO_P): Use IN_RANGE.
847 (FP_REGNO_P): Use IN_RANGE.
848 (SSE_REGNO_P): Use IN_RANGE.
849 (REX_SSE_REGNO_P): Use IN_RANGE.
850 (MMX_REGNO_P): Use IN_RANGE.
851 (STACK_REGNO_P): New macro.
852 (STACK_REG_P): Use STACK_REGNO_P.
853 (NON_STACK_REG_P): Use STACK_REGNO_P.
854 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
855 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
856 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
857 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
858 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
860 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
862 * except.h (output_function_exception_table): Add 'const char*' param.
863 * except.c (switch_to_exception_section): Add 'const char*' param.
864 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
865 and flag_function_sections is set, use a function-specific section.
866 (output_function_exception_table): Add 'const char*' param.
867 Adjust call to switch_to_exception_section.
868 * final.c (rest_of_handle_final): Adjust calls to
869 output_function_exception_table.
870 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
871 * config.in: Regenerate.
872 * configure: Likewise.
874 2006-10-28 Richard Guenther <rguenther@suse.de>
877 * fold-const.c (maybe_canonicalize_comparison_1): Helper
878 for maybe_canonicalize_comparison.
879 (maybe_canonicalize_comparison): New function for canonicalizing
881 (fold_comparison): Call it to canonicalize comparisons with
884 2006-10-28 Richard Guenther <rguenther@suse.de>
887 * builtins.c (expand_builtin_int_roundingfn_2): Expand
888 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
889 (expand_builtin): Adjust likewise.
890 * genopinit.c (optabs[]): Add lround optab.
891 * optabs.c (init_optabs): Initialize lround_optab.
892 * optabs.h (enum convert_optab_index): Add COI_lround.
893 (lround_optab): Define.
894 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
895 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
897 (ix86_expand_lround): New function.
898 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
900 * doc/md.texi (lroundMN2): Document.
902 2006-10-28 Uros Bizjak <uros@kss-loka.si>
905 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
906 argument to HOST_WIDE_INT. Update function prototype.
907 (round_frame_size): Change return type to HOST_WIDE_INT. Change
908 "size" argument to HOST_WIDE_INT. Update function prototype.
910 2006-10-28 Uros Bizjak <uros@kss-loka.si>
912 * config/i386/i386.c (output_387_ffreep): Create output from a
913 template string for !HAVE_AS_IX86_FFREEP.
915 2006-10-27 Eric Christopher <echristo@apple.com>
917 * config/darwin.c: Fix formatting and grammar.
919 2006-10-27 Jan Hubicka <jh@suse.cz>
921 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
922 to be thrown away soon when IGNORE is set.
923 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
924 indicating when return value shall not be computed.
925 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
927 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
929 * config/i386/i386.h (TARGET_GEODE):
930 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
931 (TARGET_CPU_DEFAULT_geode): New macro.
932 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
933 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
934 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
935 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
936 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
938 (TARGET_CPU_DEFAULT_NAMES): Add geode.
939 (processor_type): Add PROCESSOR_GEODE.
941 * config/i386/i386.md: Include geode.md.
944 * config/i386/i386.c (geode_cost): New initialized global
946 (m_GEODE, m_K6_GEODE): New macros.
947 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
948 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
949 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
950 x86_schedule): Use m_K6_GEODE instead of m_K6.
951 (x86_movx, x86_cmove): Set up m_GEODE.
952 (x86_integer_DFmode_moves): Clear m_GEODE.
953 (processor_target_table): Add entry for geode.
954 (processor_alias_table): Ditto.
956 * config/i386/geode.md: New file.
958 * doc/invoke.texi: Add entry about geode processor.
960 2006-10-27 Mike Stump <mrs@apple.com>
962 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
963 __DYNAMIC__ from here back to ...
964 * config/darwin.h (CPP_SPEC): ... here.
966 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
967 Nathan Sidwell <nathan@codesourcery.com>
969 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
970 when choosing the minimum heapsize.
972 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
974 * gcc/unwind-dw2.h: Move cfa-related variables into
975 struct frame_state_reg_info to ensure that the CFA is properly
976 handled when executing DW_CFA_{remember,restore}_state.
977 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
978 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
979 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
980 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
981 gcc/config/rs6000/linux-unwind.h,
982 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
983 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
984 Modify to use new cfa_* fields.
986 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
988 * config/s390/s390.c (s390_init_frame_layout): Check positive
991 2006-10-26 Ben Elliston <bje@au.ibm.com>
993 * gimplify.c (get_name): Remove extraneous break.
994 (gimplify_omp_for): Initialise ret with GS_OK.
996 2006-10-25 Steve Ellcey <sje@cup.hp.com>
998 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
999 Add unix98.o to link line.
1001 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1004 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1005 Calculate compile-time constants using MPFR.
1006 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1007 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1009 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1011 * config/xtensa/lib2funcs.S: Use C-style comments.
1013 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1015 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1016 (file_table_relative_p): Likewise.
1017 (dwarf2out_finish): Likewise.
1018 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1020 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1022 * tree-ssa-structalias.c (intra_create_variable_infos):
1023 Don't recreate nonlocal_all if it already exists.
1025 2006-10-25 Richard Guenther <rguenther@suse.de>
1028 * optabs.h (enum optab_index): Remove OTI_lrint.
1029 (enum convert_optab_index): Add COI_lrint.
1030 (lrint_optab): Adjust.
1031 (expand_sfix_optab): Declare.
1032 * optabs.c (expand_sfix_optab): New function.
1033 (init_optabs): Init lrint_optab as conversion optab.
1034 * genopinit.c (lrint_optab): Change to a conversion optab.
1035 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1036 expansion via conversion optab.
1037 * config/i386/i386.md (*fistdi2_1): Remove
1038 flag_unsafe_math_optimizations guard.
1039 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1040 fist<mode>2_with_temp): Likewise.
1041 (lrint<mode>2): Split into...
1042 (lrintxf<mode>2): ... x87 part
1043 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1044 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1045 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1046 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1047 * doc/md.texi (lrintMN2): Document.
1049 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1052 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1053 Use inc and dec instructions for TARGET_USE_INCDEC.
1054 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1055 ("sync_double_compare_and_swap<mode>"): Likewise.
1056 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1057 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1058 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1059 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1060 ("sync_old_add<mode>"): Likewise.
1061 ("sync_lock_test_and_set<mode>"): Likewise.
1062 ("sync_lock_test_and_set<mode>"): Likewise.
1063 ("sync_add<mode>"): Likewise.
1064 ("sync_sub<mode>"): Likewise.
1065 ("sync_ior<mode>"): Likewise.
1066 ("sync_and<mode>"): Likewise.
1067 ("sync_xor<mode>"): Likewise.
1069 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1071 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1072 (remainder_optab): Define corresponding macro.
1073 (drem_optab): Remove.
1074 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1075 drem_optab initialization.
1076 * genopinit.c (optabs): Implement remainder_optab using
1077 remainder?f3 patterns. Remove drem_optab.
1078 * builtins.c (expand_builtin_mathfn_2): Handle
1079 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1080 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1081 expand_builtin_mathfn_2.
1083 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1084 depend on flag_unsafe_math_optimizations.
1086 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1087 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1088 Do not depend on flag_unsafe_math_optimizations. Use
1089 truncxf?f expander instead of truncxf?f_i387_noop.
1091 ("fpremxf4", "fprem1xf4"): Do not depend on
1092 flag_unsafe_math_optimizations.
1093 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1094 flag_unsafe_math_optimizations. Use truncxf?f expander
1095 instead of truncxf?f_i387_noop.
1097 * doc/md.texi (fmod, remainder): Document standard named pattern.
1099 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1100 David Daney <ddaney@avtrex.com>
1103 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1105 2006-10-25 Ben Elliston <bje@au.ibm.com>
1107 * doc/extend.texi (Variable Attributes): Typo fix.
1109 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1111 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1112 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1113 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1114 (FRAME_POINTER_REGNUM): Update register number to 21.
1115 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1116 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1118 * config/i386/i386.c (regclass_map): Add fpcr entry.
1119 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1121 (print_reg): Assert REGNO (x) != FPCR_REG.
1123 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1124 (DIRFLAG_REG): Renumber.
1125 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1126 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1127 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1128 hardcoded SSE register numbers.
1130 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1131 hardcoded MMX register numbers.
1133 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1136 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1137 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1139 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1140 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1141 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1142 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1144 2006-10-24 Richard Guenther <rguenther@suse.de>
1147 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1148 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1149 for deciding optimizations in consistency with fold-const.c
1150 (fold_builtin_unordered_cmp): Likewise.
1152 2006-10-24 Richard Guenther <rguenther@suse.de>
1154 * builtins.c (fold_builtin_floor): Fold floor (x) where
1155 x is nonnegative to trunc (x).
1156 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1157 nonnegative to FIX_TRUNC_EXPR.
1159 2006-10-24 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/29567
1162 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1163 for TRUTH_NOT_EXPR. Clarify comments.
1165 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1168 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1169 at compile-time using MPFR. Change parameter VALUE to FUNC,
1171 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1172 for overflow and underflow at all times and avoid folding in
1175 2006-10-24 Ben Elliston <bje@au.ibm.com>
1177 * reload1.c: Formatting fixes.
1179 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1181 PR tree-optimization/14784
1182 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1183 * tree-ssa-structalias.c (get_constraint_for,
1184 intra_create_variable_infos): Set is_heapvar.
1185 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1186 non-heapvar pointer variables specially.
1188 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1191 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1192 fold_builtin_tan): Fold all constant arguments. Take a "type"
1193 argument as necessary.
1194 (do_mpfr_arg1): New.
1195 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1197 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1199 * config/xtensa/lib1funcs.asm: Use C-style comments.
1201 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1203 * tree.c (local_define_builtin): Replace calls to
1204 lang_hooks.builtin_function with add_builtin_function.
1205 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1207 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1209 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1210 common code to add_builtin_function.
1211 * langhooks.c (add_builtin_function): New function.
1212 (lhd_builtin_function): New function.
1213 * langhooks.h (struct lang_hooks): Change the signature of
1215 (add_builtin_function): New function.
1216 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1217 calls to lang_hooks.builtin_function with add_builtin_function.
1218 * c-common.c (decl_builtin_1): Replace calls to
1219 lang_hooks.builtin_function with add_builtin_function.
1220 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1221 lang_hooks.builtin_function with add_builtin_function.
1222 * config/frv/frv.c (def_builtin): Replace calls to
1223 lang_hooks.builtin_function with add_builtin_function.
1224 * config/s390/s390.c (s390_init_builtins): Replace calls to
1225 lang_hooks.builtin_function with add_builtin_function.
1226 * config/sparc/sparc.c (def_builtin): Replace calls to
1227 lang_hooks.builtin_function with add_builtin_function.
1228 * config/i386/i386.c (def_builtin): Replace calls to
1229 lang_hooks.builtin_function with add_builtin_function.
1230 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1231 lang_hooks.builtin_function with add_builtin_function.
1232 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1233 lang_hooks.builtin_function with add_builtin_function.
1234 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1235 Replace calls to lang_hooks.builtin_function with
1236 add_builtin_function.
1237 * config/iq2000/iq2000.c (def_builtin):
1238 Replace calls to lang_hooks.builtin_function with
1239 add_builtin_function.
1240 * config/ia64/ia64.c (def_builtin): Replace calls to
1241 lang_hooks.builtin_function with add_builtin_function.
1242 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1243 lang_hooks.builtin_function with add_builtin_function.
1244 (altivec_init_builtins): Replace calls to
1245 lang_hooks.builtin_function with add_builtin_function.
1246 * config/arm/arm.c (def_mbuiltin): Replace calls to
1247 lang_hooks.builtin_function with add_builtin_function.
1248 (arm_init_tls_builtins): Replace calls to
1249 lang_hooks.builtin_function with add_builtin_function.
1250 * config/mips/mips.c (mips_init_builtins): Replace calls to
1251 lang_hooks.builtin_function with add_builtin_function.
1252 * config/bfin/bfin.c (def_builtin): Replace calls to
1253 lang_hooks.builtin_function with add_builtin_function.
1254 * langhooks-def.h (lhd_builtin_function): New function.
1255 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1257 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1259 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1260 BUILT_IN_STRNCAT_CHK.
1262 2006-10-23 Jan Hubicka <jh@suse.cz>
1264 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1265 don't do conversion from memmove to memcpy here.
1266 (expand_builtin_bcopy, expand_builtin): Update call of
1267 expand_builtin_memmove.
1268 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1270 2006-10-23 Paul Brook <paul@codesourcery.com>
1272 * stor-layout.c (start_record_layout): maximum_field_alignment
1273 overrides STRUCTURE_SIZE_BOUNDARY.
1275 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1277 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1278 nonlocal function symbols if flag_pic.
1280 2006-10-23 Richard Guenther <rguenther@suse.de>
1284 * builtins.c (fold_binary): Remove checks for flag_wrapv
1285 and flag_trapv where negate_expr_p covers these cases.
1287 2006-10-23 Richard Guenther <rguenther@suse.de>
1290 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1291 of two on the absolute value.
1292 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1293 and negating -C does not overflow.
1295 2006-10-23 Richard Guenther <rguenther@suse.de>
1298 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1299 only if not flag_rounding_math.
1301 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1302 Kaz Kojima <kkojima@gcc.gnu.org>
1305 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1306 SImode memory reference for the source of a movua.
1307 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1308 (movua): Use an unspec instead of sign_extract. Expect the source
1309 to have mode BLKmode.
1310 (extv, insv): Use a BLKmode rather than SImode memory reference
1311 for the source of a movua.
1313 2006-10-22 Jeff Law <law@redhat.com>
1314 Richard Guenther <rguenther@suse.de>
1316 PR tree-optimization/15911
1317 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1318 (register_edge_assert_for_1): Likewise.
1319 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1320 (find_conditional_asserts): Adjust for new function signature.
1321 (find_assert_locations): Likewise.
1323 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1325 * config/i386/tmmintrin.h: Remove the duplicated content.
1327 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1329 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1330 (x86_64-*-*): Likewise.
1332 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1333 (override_options): Check SSSE3.
1334 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1335 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1336 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1337 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1338 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1339 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1340 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1341 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1342 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1343 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1344 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1345 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1346 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1347 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1348 IX86_BUILTIN_PABSD128.
1349 (bdesc_2arg): Add SSSE3.
1350 (bdesc_1arg): Likewise.
1351 (ix86_init_mmx_sse_builtins): Support SSSE3.
1352 (ix86_expand_builtin): Likewise.
1353 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1355 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1356 (UNSPEC_PSIGN): Likewise.
1357 (UNSPEC_PALIGNR): Likewise.
1358 Include mmx.md before sse.md.
1360 * config/i386/i386.opt: Add -mssse3.
1362 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1363 (ssse3_phaddwv4hi3): Likewise.
1364 (ssse3_phadddv4si3): Likewise.
1365 (ssse3_phadddv2si3): Likewise.
1366 (ssse3_phaddswv8hi3): Likewise.
1367 (ssse3_phaddswv4hi3): Likewise.
1368 (ssse3_phsubwv8hi3): Likewise.
1369 (ssse3_phsubwv4hi3): Likewise.
1370 (ssse3_phsubdv4si3): Likewise.
1371 (ssse3_phsubdv2si3): Likewise.
1372 (ssse3_phsubswv8hi3): Likewise.
1373 (ssse3_phsubswv4hi3): Likewise.
1374 (ssse3_pmaddubswv8hi3): Likewise.
1375 (ssse3_pmaddubswv4hi3): Likewise.
1376 (ssse3_pmulhrswv8hi3): Likewise.
1377 (ssse3_pmulhrswv4hi3): Likewise.
1378 (ssse3_pshufbv16qi3): Likewise.
1379 (ssse3_pshufbv8qi3): Likewise.
1380 (ssse3_psign<mode>3): Likewise.
1381 (ssse3_psign<mode>3): Likewise.
1382 (ssse3_palignrti): Likewise.
1383 (ssse3_palignrdi): Likewise.
1384 (abs<mode>2): Likewise.
1385 (abs<mode>2): Likewise.
1387 * config/i386/tmmintrin.h: New file.
1389 * doc/extend.texi: Document SSSE3 built-in functions.
1391 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1393 2006-10-22 Ira Rosen <irar@il.ibm.com>
1395 * tree-vect-transform.c (vectorizable_load): Use the type of the
1396 return value of the mask_for_load builtin to create realign_load
1399 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1401 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1404 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1406 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1407 (UNSPEC_LDDQU): This.
1408 * config/i386/sse.md (sse3_lddqu): Updated.
1410 2006-10-21 Richard Guenther <rguenther@suse.de>
1412 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1413 (expand_builtin): Use it to expand lrint instead of
1414 expand_builtin_mathfn.
1416 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1419 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1420 flag_unsafe_math_optimizations is set.
1422 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1425 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1426 patterns to use memory input operand in x87->mem->XMM
1427 reload sequences. Skip transformation for TARGET_K8.
1429 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1431 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1432 force operand1 to register if both operands are memory operands.
1433 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1434 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1435 if both operands are memory operands.
1436 (truncdfsf2): Do not force operand1 to register if both operands
1437 are memory operands.
1439 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1441 * Makefile.in (LIBS): Add $(GMPLIBS).
1442 * doc/install.texi: Update GMP and MPFR requirements.
1443 * doc/sourcebuild.texi (need_gmp): Delete.
1445 2006-10-21 Richard Guenther <rguenther@suse.de>
1447 PR tree-optimization/3511
1448 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1449 got new invariant arguments during PHI translation.
1451 2006-10-21 Richard Guenther <rguenther@suse.de>
1454 * fold-const.c (fold_comparison): Fold signed comparisons
1455 of the form X +- C1 CMP Y +- C2.
1457 2006-10-21 Richard Guenther <rguenther@suse.de>
1460 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1461 if flag_unsafe_math_optimizations is specified. We have
1462 flag_finite_math_only for that.
1463 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1464 or flag_unsafe_math_optimizations.
1466 2006-10-21 Richard Guenther <rguenther@suse.de>
1468 * builtins.c (fold_builtin_classify): Fix typo.
1470 2006-10-21 Richard Guenther <rguenther@suse.de>
1473 * simplify-rtx.c (simplify_const_relational_operation):
1474 Do not constant-fold ORDERED and UNORDERED for
1475 flag_unsafe_math_optimizations but only we do not need to
1476 honor NaNs for the given mode.
1478 2006-10-21 Richard Guenther <rguenther@suse.de>
1481 * config/i386/i386.c (classify_argument): Remove redundant
1482 walking of the BINFOs.
1483 (contains_128bit_aligned_vector_p): Likewise.
1485 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1487 * BASE-VER: Set to 4.3.0.
1489 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1491 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1492 (tree_decl_with_vis): Remove artificial_pta_var flag.
1493 * tree-flow.h (referenced_var_check_and_insert): Expose.
1494 (nonlocal_all): New prototype.
1495 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1496 (nonlocal_all): Make global.
1497 (nonlocal_lookup): Remove.
1498 (nonlocal_insert): Ditto.
1499 (create_nonlocal_var): Do not call nonlocal_insert.
1500 (get_nonlocal_id_for_type): Remove.
1501 (find_global_initializers): Mark new vars we find for renaming.
1502 (intra_create_variable_infos): Only create one nonlocal.
1503 (expand_nonlocal_solutions): Remove.
1504 (compute_points_to_sets): Don't call it.
1505 (ipa_pta_execute): Ditto.
1506 (init_alias_heapvars): Don't create nonlocal_for_type.
1507 (delete_alias_heapvars): Don't remove it.
1508 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1511 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1513 * doc/install.texi (Downloading GCC): Clarify mention of
1514 Fortran in the "full distribution" description.
1516 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1518 Fix PR tree-optimization/28778
1519 Fix PR tree-optimization/29156
1520 Fix PR tree-optimization/29415
1521 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1522 (tree_decl_with_vis): Add artificial_pta_var flag.
1523 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1524 pushed into callers.
1525 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1526 (nonlocal_all): Ditto.
1527 (struct variable_info): Add directly_dereferenced member.
1528 (var_escaped_vars): New variable.
1529 (escaped_vars_tree): Ditto.
1530 (escaped_vars_id): Ditto.
1531 (nonlocal_vars_id): Ditto.
1532 (new_var_info): Set directly_dereferenced.
1533 (graph_size): New variable
1534 (build_constraint_graph): Use graph_size.
1535 (solve_graph): Don't process constraints that cannot change the
1536 solution, don't try to propagate an empty solution to our
1538 (process_constraint): Set directly_dereferenced.
1539 (could_have_pointers): New function.
1540 (get_constraint_for_component_ref): Don't process STRING_CST.
1541 (nonlocal_lookup): New function.
1542 (nonlocal_insert): Ditto.
1543 (create_nonlocal_var): Ditto.
1544 (get_nonlocal_id_for_type): Ditto.
1545 (get_constraint_for): Allow results vector to be empty in the case
1546 of string constants.
1547 Handle results of calls properly.
1548 (update_alias_info): Update alias info stats on number and type of
1550 (find_func_aliases): Use could_have_pointers.
1551 (make_constraint_from_escaped): Renamed from
1552 make_constraint_to_anything, and changed to make constraints from
1554 (make_constraint_to_escaped): New function.
1555 (find_global_initializers): Ditto.
1556 (create_variable_info_for): Make constraint from escaped to any
1557 global variable, and from any global variable to the set of
1559 (intra_create_variable_infos): Deal with escaped instead of
1560 pointing to anything.
1561 (set_uids_in_ptset): Do type pruning on directly dereferenced
1563 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1564 (init_base_vars): Fix comment, and initialize escaped_vars.
1565 (need_to_solve): Removed.
1566 (find_escape_constraints): New function.
1567 (expand_nonlocal_solutions): Ditto.
1568 (compute_points_to_sets): Call find_escape_constraints and
1569 expand_nonlocal_solutions.
1570 (delete_points_to_sets): Don't fall off the end of the graph.
1571 (init_alias_heapvars): Initialize nonlocal_for_type and
1573 (delete_alias_heapvars): Free nonlocal_for_type and null out
1576 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1578 * fold-const.c (add_double): Rename to add_double_with_sign.
1579 Add 'unsigned_p' parameter and take it into account for the overflow.
1580 (mul_double): Rename to mul_double_with_sign.
1581 Add 'unsigned_p' parameter and take it into account for the overflow.
1582 (fold_div_compare): Call add_double_with_sign instead of add_double
1583 and mul_double_with_sign instead of mul_double, passing them the
1584 unsignedness of the type.
1585 * tree.h (add_double): Macroize.
1586 (add_double_with_sign): New prototype.
1587 (mul_double): Macroize.
1588 (mul_double_with_sign): New prototype.
1590 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1592 * config/score/crti.asm: New file.
1593 * config/score/crtn.asm: New file.
1594 * config/score/elf.h: New file.
1595 * config/score/mac.md: New file.
1596 * config/score/misc.md: New file.
1597 * config/score/mul-div.S: New file.
1598 * config/score/predicates.md: New file.
1599 * config/score/score7.md: New file.
1600 * config/score/score.c: New file.
1601 * config/score/score-conv.h: New file.
1602 * config/score/score.h: New file.
1603 * config/score/score.md: New file.
1604 * config/score/score-mdaux.c: New file.
1605 * config/score/score-mdaux.h: New file.
1606 * config/score/score-modes.def: New file.
1607 * config/score/score.opt: New file.
1608 * config/score/score-protos.h: New file.
1609 * config/score/score-version.h: New file.
1610 * config/score/t-score-elf: New file.
1611 * config.gcc: Add score*-*-* configurations(Update before).
1612 * doc/invoke.texi (Score Options): New section.
1613 * doc/md.texi (Score family): New section to document constraints.
1615 2006-10-19 Nick Clifton <nickc@redhat.com>
1617 * config/arm/arm.c: Fix spelling typo.
1619 2006-10-18 Tom Tromey <tromey@redhat.com>
1621 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1623 2006-10-18 Jan Hubicka <jh@suse.cz>
1626 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1629 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1631 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1632 TSI_SAME_STMT, since that's the desired entity.
1634 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1636 * config/s390/contraints.md: New file.
1637 * config/s390/s390-protos.h (s390_mem_constraint,
1638 s390_O_constraint_str, s390_N_constraint_str,
1639 s390_float_const_zero_p): Function prototypes added.
1640 * config/s390/s390.c (s390_extra_constraint_str,
1641 s390_const_double_ok_for_constraint_p,
1642 s390_const_ok_for_constraint_p): Functions removed.
1643 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1644 s390_float_const_zero_p): New functions.
1645 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1646 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1647 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1648 Macro definitions removed.
1649 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1650 s390_extra_constraint_str): Functions removed.
1652 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1653 Richard Sandiford <richard@codesourcery.com>
1656 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1657 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1659 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1661 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1662 (DWARF2_FRAME_REG_OUT): Likewise.
1663 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1664 (DWARF2_FRAME_REG_OUT): Likewise.
1666 2006-10-17 Paul Brook <paul@codesourcery.com>
1668 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1670 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1672 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1673 Standardize on "GNU Fortran" as the official name of the Fortran
1676 2006-10-16 Mike Stump <mrs@apple.com>
1678 * doc/invoke.texi (Darwin Options): Document -mkernel.
1679 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1681 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1682 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1683 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1684 (OS_MISSING_ALTIVEC): Add.
1685 * config/i386/i386.c (override_options): Add
1686 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1687 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1688 -mkernel, -static or -mdynamic-no-pic is given.
1689 (C_COMMON_OVERRIDE_OPTIONS): Add.
1690 * config/darwin.opt (fapple-kext): Add.
1692 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1693 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1695 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1696 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1697 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1698 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1699 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1700 (flag_mkernel): Add.
1701 (flag_apple_kext): Add.
1702 (TARGET_KEXTABI): Add.
1703 * config/darwin.c (darwin_handle_kext_attribute): Add.
1704 (DARWIN_VTABLE_P): Add.
1705 (darwin_binds_local_p): Add partial support for rebinding vtables
1707 (darwin_kextabi_p): Add.
1708 (darwin_override_options): Add.
1709 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1710 (darwin_kextabi_p): Add.
1711 (darwin_override_options): Add.
1712 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1713 __DYNAMIC__ and __STATIC__ here.
1715 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1717 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1718 Added mention of "make pdf" target, and Texinfo requirements for
1721 2006-10-16 DJ Delorie <dj@redhat.com>
1723 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1724 into the GOT in case we need a subreg of the address.
1726 2006-10-16 Richard Guenther <rguenther@suse.de>
1729 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1730 SSE builtin documentation. Document SSE2 builtins.
1732 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1734 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1735 symbol in the output file for non-shared links when -nostdlib or
1736 -nodefaultlibs isn't specified.
1738 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1739 posix thread support.
1741 2006-10-15 Jan Hubicka <jh@suse.cz>
1744 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1745 declared always_inline even when not inlining.
1747 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1748 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1749 Andrew Pinski <pinskia@gmail.com>
1752 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1754 2006-10-15 Jan Hubicka <jh@suse.cz>
1755 Richard Guenther <rguenther@suse.de>
1758 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1759 process_function_and_variable_attributes on all variables, including
1760 those discovered during cgraph construction phase.
1762 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1764 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1766 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1768 * config/i386/athlon.md (athlon_fist): Add fisttp.
1770 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1771 Ian Lance Taylor <ian@airs.com>
1774 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1775 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1778 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1780 * config/score/score.c, config/score/score.h: Fix comment
1783 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1786 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1789 2006-10-13 Eric Christopher <echristo@apple.com>
1791 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1793 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1796 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1797 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1798 alignment supported by 32-bit ELF.
1800 2006-10-13 Eric Christopher <echristo@apple.com>
1802 * config/darwin.c (darwin_emit_unwind_label): Strip
1803 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1805 2006-10-13 Richard Guenther <rguenther@suse.de>
1807 PR tree-optimization/29446
1808 * tree-vrp.c (fix_equivalence_set): Remove.
1809 (extract_range_from_assert): Do not call fix_equivalence_set.
1810 (debug_value_range): Print a newline.
1811 (compare_name_with_value): For equivalence sets with
1812 inconsistent value ranges conservatively bail out.
1813 (compare_names): Likewise.
1815 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1817 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1818 and MPFR for gfortran.
1820 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1822 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1823 alignment supported by 32-bit ELF.
1825 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1829 * c-typeck.c (digest_init): Always allow initializing vectors
1830 that have static storage duration with compound literals.
1831 * tree.c (build_type_attribute_qual_variant): New, based on
1832 build_type_attribute_variant.
1833 (build_type_attribute_variant): Rewrite using the former.
1834 (make_vector_type): Use build_type_attribute_qual_variant to build
1835 type variants. Use type_hash_canon on the others.
1837 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1838 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1840 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1842 2006-10-12 Jan Hubicka <jh@suse.cz>
1845 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1846 current_function_decl is set but current_function_scope is not.
1848 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1850 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1851 emit_insn to emit eh_return_internal instruction.
1852 (eh_return_internal): Explicitly set pc.
1854 2006-10-11 Richard Guenther <rguenther@suse.de>
1856 PR tree-optimization/28230
1857 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1858 to the correct place.
1860 2006-10-11 Richard Guenther <rguenther@suse.de>
1863 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1866 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1868 * configure.ac: Added pdf to "Make-hooks"
1869 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1870 targets and *.pdf file patterns in cleanup targets.
1871 * configure: Regenerated.
1873 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1875 * config/avr/predicates.md: New file.
1876 * config/avr/avr.md: Include it.
1877 (REG_SP): New constant.
1878 (peepholes): Use predicates.
1879 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1880 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1881 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1883 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1885 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1888 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1891 * builtins.c (var_decl_component_p): New function.
1892 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1893 single entry optimization to variables and components thereof.
1895 2006-10-10 Richard Guenther <rguenther@suse.de>
1897 PR rtl-optimization/29323
1898 * except.c (set_nothrow_function_flags): For functions
1899 that do not bind local bail out early.
1901 2006-10-10 Ben Elliston <bje@au.ibm.com>
1903 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1906 2006-10-09 Richard Henderson <rth@redhat.com>
1908 Revert emutls patch.
1910 2006-10-09 Richard Guenther <rguenther@suse.de>
1913 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1916 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1919 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1920 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1921 * configure: Regenerate.
1922 * config.in: Regenerate.
1924 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1926 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1928 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1930 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1931 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1932 Remove stray newline.
1934 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1936 * config/mips/mips.c (mips_classify_symbol): Do not return
1937 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1938 (mips_in_small_data_p): Tweak comments.
1940 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1942 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1944 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1946 * gimplify.c, sched-int.h: Fix comment typos.
1948 * sched-int.h: Fix comment typos.
1950 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1952 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1954 * sched-ebb.c (begin_schedule_ready): Use them.
1955 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1956 add_to_speculative_block, create_check_block_twin, speculate_insn,
1957 fix_jump_move, move_block_after_check): Ditto.
1958 * sched-rgn.c (new_ready): Ditto.
1960 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1962 PR rtl-optimization/29128
1963 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1964 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1965 allow interblock movement of speculation checks.
1967 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1970 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1971 casted to integer type.
1972 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1973 if they are significantly more expensive than [reg + index] ones.
1975 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1977 PR tree-optimization/29330
1978 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1979 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1980 on newly allocated ddrs.
1981 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1982 to VEC (loop_p, heap) pointer.
1983 (compute_data_dependences_for_loop): Adjust caller.
1984 (free_dependence_relations): Free DDR_LOOP_NEST.
1986 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1987 free DEPENDENCE_RELATIONS and DATAREFS.
1990 * builtins.c (expand_builtin_sync_operation,
1991 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1992 Use convert_to_mode to handle promoted arguments.
1994 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1996 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1998 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2000 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2002 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2004 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2005 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2006 Use <modeconstraint> instead of "r" as operand 1 constraint.
2008 2006-10-06 Olivier Hainque <hainque@adacore.com>
2010 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2011 Don't recurse on the pointed-to type.
2012 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2013 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2014 types with components of variable size.
2016 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2018 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2020 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2022 PR tree-optimization/29290
2023 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2027 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2028 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2031 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2032 the number of vector elements fill the rest with zeros.
2034 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2036 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2037 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2040 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2042 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2043 unnamed pattern into subsi3. Use correct constraints/predicates.
2044 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2045 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2047 2006-10-05 Ira Rosen <irar@il.ibm.com>
2049 * doc/loop.texi: Add data references analysis description.
2051 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2053 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2055 2006-10-04 Richard Henderson <rth@redhat.com>
2056 Jakub Jelinek <jakub@redhat.com>
2058 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2059 * builtin-types.def (BT_WORD): Make unsigned.
2060 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2061 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2062 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2063 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2064 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2065 * cgraph.c (decide_is_variable_needed): Look at force_output.
2066 Recurse for emulated tls.
2067 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2068 checks redundant with decide_is_variable_needed.
2069 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2070 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2072 * expr.c (emutls_var_address): New.
2073 (expand_expr_real_1): Expand emulated tls.
2074 (expand_expr_addr_expr_1): Likewise.
2075 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2076 * output.h (emutls_finish): Declare.
2077 * toplev.c (compile_file): Call it.
2078 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2079 address before wrapping in CONST.
2080 * varasm.c (emutls_htab, emutls_object_type): New.
2081 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2082 (get_emutls_object_name, get_emutls_object_type): New.
2083 (get_emutls_init_templ_addr, emutls_decl): New.
2084 (emutls_common_1, emutls_finish): New.
2085 (assemble_variable): When emulating tls, swap decls; generate
2086 constructor for the emutls objects.
2087 (do_assemble_alias): When emulating tls, swap decl and target name.
2088 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2090 * emutls.c: New file.
2091 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2092 tls_object for real tls.
2094 2006-10-04 Zack Weinberg <zackw@panix.com>
2096 Fix bug in constraint-check generator, reported by Rask Ingemann
2098 * genpreds.c (add_constraint): Don't remove anything from the
2100 (write_tm_constrs_h): Detect whether "op" argument is used, and
2101 mark it ARG_UNUSED if it isn't.
2102 (write_insn_const_int_ok_for_constraint): Skip the part of the
2103 expression that would test whether "op" (which is not available
2104 here) is a CONST_INT.
2106 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2109 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2111 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2113 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2114 current Leopard versions.
2115 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2117 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2119 * doc/install.texi: Fix typos.
2121 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2123 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2124 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2125 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2127 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2129 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2130 arg to be struct mach_header_64* instead.
2132 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2135 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2136 side effects after the outer expression's post side effects.
2138 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2140 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2141 comments to reflect actual behavior and relationship between
2142 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2144 * doc/c-tree.texi (Working with declarations): Fix documentation
2145 of FIELD_DECL likewise.
2147 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2150 * doc/extend.texi: Add used variable attribute description.
2152 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2155 * c.opt (Woverride-init): New.
2156 * c-opts.c (c_common_post_options): Default warn_override_init to
2158 * c-typeck.c (add_pending_init, output_init_element): Warn for
2159 overriding initializers without side effects.
2160 * doc/invoke.texi (-Woverride-init): Document.
2163 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2165 PR rtl-optimization/28096
2166 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2167 assignment has already been used as a destination earlier in the block.
2169 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2171 * builtins.c (expand_builtin_setjmp): Delete.
2172 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2173 <BUILT_IN_SETJMP_SETUP>: New case.
2174 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2175 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2176 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2177 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2178 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2179 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2180 (lower_function_body): Initialize it to false. If it is set to true
2181 at the end of the processing, emit the setjmp dispatcher.
2182 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2183 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2184 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2185 on the rhs of the assignment.
2186 (lower_builtin_setjmp): New function.
2187 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2188 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2189 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2190 to detect calls that can go to non-local labels. Use specific
2191 helper to create the abnormal edges associated with them.
2192 <MODIFY_EXPR>: Likewise.
2193 (make_abnormal_goto_edges): New function extracted from...
2194 (make_goto_expr_edges): ...here. Call it for computed gotos.
2195 (simple_goto_p): Minor tweak.
2196 (tree_can_make_abnormal_goto): New predicate.
2197 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2198 (tree_purge_dead_abnormal_call_edges): New function.
2199 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2200 (tree_purge_dead_abnormal_call_edges): Likewise.
2201 (make_abnormal_goto_edges): Likewise.
2202 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2203 Purge all dead abnormal edges if the call was in the last statement.
2204 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2205 (execute_fixup_cfg): If there are non-local labels in the function,
2206 scan the basic blocks and split them at calls that can go to non-local
2207 labels or add missing abnormal call edges. Write down the CFG in the
2209 (pass_fixup_cfg): Remove TODO_dump_func flag.
2210 * unwind-sjlj.c: Poison setjmp.
2211 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2212 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2213 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2214 (DONT_USE_BUILTIN_SETJMP): Document it.
2216 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2219 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2220 to 1 when __ppc64__ is defined.
2221 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2223 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2225 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2227 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2228 * config/ia64/unwind-hpux.c: Delete.
2230 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2232 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2233 on the element before gimplifying it, instead of punting if it is of
2236 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2238 * doc/loop.texi: New file.
2239 * doc/gccint.texi: Reference loop.texi.
2240 * Makefile.in (loop.texi): Add.
2242 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2244 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2246 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2247 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2249 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2251 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2253 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2255 * doc/install.texi: Document required versions of GMP and MPFR.
2257 2006-09-27 Paul Brook <paul@codesourcery.com>
2260 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2262 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2264 * reload1.c (alter_reg): Require the alignment of the stack slot to
2265 be at least reg_max_ref_width bytes.
2266 (scan_paradoxical_subregs): Record the largest width in
2269 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2273 * tree-nested.c (struct nesting_info): Added static_chain_added.
2274 (convert_call_expr): Set static_chain_added when adding static
2275 chain. Handle OMP_PARALLEL and OMP_SECTION.
2277 2006-09-25 Matthias Klose <doko@debian.org>
2279 * doc/invoke.texi: Add missing full stop.
2281 2006-09-25 Richard Henderson <rth@redhat.com>
2283 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2284 before cgraph_function_flags_ready.
2286 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2287 Adam Nemet <anemet@caviumnetworks.com>
2289 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2290 determine_common_wider_type): New functions.
2291 (get_computation_aff): Use them to simplify arithmetic between
2292 UBASE and CBASE if they are shortened from the same type.
2294 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2297 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2298 -2147483647 - 1 instead of 0x80000000.
2300 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2302 * flags.h (HONOR_NANS): Fix typo in comment.
2304 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2306 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2308 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2312 * tree.c (merge_attributes, attribute_list_contained): If both
2313 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2315 * c-typeck.c (comptypes_internal): Don't consider aggregates
2316 in different TUs as compatible if there one set of attributes is
2317 not a subset of the other type's attributes.
2318 (composite_type): Try harder not to create a new aggregate type.
2320 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2322 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2323 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2324 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2325 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2326 than replicating condition above.
2327 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2329 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2330 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2331 the linker by default.
2333 2006-09-22 Mike Stump <mrs@apple.com>
2335 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2338 2006-09-22 Richard Guenther <rguenther@suse.de>
2341 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2342 sort of stack variables stable.
2344 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2347 * explow.c (force_reg): Set REG_POINTER flag according to
2350 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2352 PR tree-optimization/28888
2353 * tree-if-conv.c (combine_blocks): Rewritten.
2354 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2355 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2357 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2359 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2362 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2364 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2366 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2368 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2370 2006-09-21 Roger Sayle <roger@eyesopen.com>
2373 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2374 dw_fde_current_label, to be the start of the function, i.e. the same
2375 value as dw_fde_begin.
2377 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2379 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2380 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2381 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2382 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2383 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2384 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2385 (abs<mode>2, neg<mode>2): Likewise.
2386 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2387 (*mips_abs_ps): New define_insn.
2389 2006-09-20 Josh Conner <jconner@apple.com>
2392 * calls.c (expand_call): Allow reuse of structure return stack
2395 2006-09-20 Paul Brook <paul@codesourcery.com>
2397 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2400 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2402 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2403 clean up terminology.
2405 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2408 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2409 with tablejumps in them.
2411 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2414 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2415 wrap it into TARGET_EXPR.
2417 2006-09-20 Eric Christopher <echristo@apple.com>
2419 * config/i386/i386.c (x86_fisttp): Remove.
2420 * config/i386/i386.h (x86_fisttp): Ditto.
2421 (TARGET_FISTTP): Ditto.
2423 2006-09-19 Eric Christopher <echristo@apple.com>
2425 * doc/tm.texi (OBJC_JBLEN): Describe.
2426 * config/i386/darwin.h (OBJC_JBLEN): Define.
2427 * config/rs6000/darwin.h: Ditto.
2429 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2431 PR rtl-optimization/21299
2432 * reload1.c (reload): Purge invalid ASMs in the final pass.
2434 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2437 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2438 pointers as legitimate constants.
2440 2006-09-19 Paul Brook <paul@codesourcery.com>
2443 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2445 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2447 PR tree-optimization/28887
2448 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2449 component parts from the reference.
2450 (gather_memory_references_ref): Record the reference without the
2451 nonaddressable component parts.
2453 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2456 * c-opts.c (c_common_handle_option): Ignore the -std options
2457 if the input language is assembly.
2459 2006-09-17 Ira Rosen <irar@il.ibm.com>
2462 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2464 (ptr_ptr_may_alias_p): Likewise.
2465 (record_record_differ_p): New function.
2466 (base_object_differ_p): Call record_record_differ_p.
2468 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2471 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2472 away for the expr argument.
2474 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2477 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2478 before using it for dumping after vectorizing loops.
2480 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2481 Jack Howarth <howarth@bromo.med.uc.edu>
2484 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2485 skip on error_mark_node.
2486 (rs6000_darwin64_record_arg_recurse): Likewise.
2488 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2490 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2491 * doc/rtl.texi: Remove related documentation.
2493 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2495 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2498 2006-09-15 Jim Wilson <wilson@specifix.com>
2500 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2501 Handle symbol offsets same as they are handled in ia64_expand_move
2504 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2506 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2507 Add forgotten parameter to the fprintf call.
2509 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2511 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2513 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2515 * doc/contrib.texi: Add my entry.
2517 2006-09-15 Nick Clifton <nickc@redhat.com>
2519 * doc/md.texi (Processor pipeline description): Fix typo in
2520 example of how to use the absence_set directive and reword the
2521 description to make it slightly easier to read.
2523 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2525 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2526 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2527 expanding the number of iterations.
2528 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2530 * cfgrtl.c (emit_insn_at_entry): New function.
2531 * rtl.h (emit_insn_at_entry): Declare it.
2532 * integrate.c (emit_initial_value_sets): Use it.
2534 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2536 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2538 (struct loop_work and related VEC declarations): Delete.
2539 (bfin_dump_loops): Print out new member bad.
2540 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2541 (bfin_scan_loop): Don't recurse.
2542 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2543 loops. No longer need to update outer loops if the current one is
2544 found bad. Move some validitiy checks to bfin_discover_loop.
2545 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2546 but changed not to check for nesting. Also changed to use the new bad
2548 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2549 time. Use bitmap based test to discover loop nesting.
2551 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2553 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2556 2006-09-14 Richard Guenther <rguenther@suse.de>
2557 Kazu Hirata <kazu@codesourcery.com>
2559 PR middle-end/28884.
2560 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2561 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2562 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2563 with TARGET_FUNCTION_VALUE.
2565 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2568 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2570 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2572 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2575 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2578 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2581 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2583 * basic_block.h (bb_has_eh_pred): Fix comment.
2585 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2587 * flow.c (calculate_global_regs_live): Invalidate eh registers
2588 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2589 (propagate_block): Handle eh registers as if they were set at basic
2591 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2593 * global.c (global_conflicts): Make eh registers to conflict with
2594 pseudos live at basic block begin.
2595 * basic_block.h (bb_has_eh_pred): New function.
2597 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2599 PR rtl-optimization/28982
2600 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2601 index of a PRE_MODIFY or POST_MODIFY address.
2602 * reload1.c (inc_for_reload): Use find_replacement on the original
2603 base and index registers.
2605 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2607 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2608 for -Os. Update __m128 alignment requirement.
2610 2006-09-13 Jan Hubicka <jh@suse.cz>
2612 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2614 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2616 PR rtl-optimization/28243
2617 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2618 the insn to which the note was originally attached.
2620 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2621 Roger Sayle <roger@eyesopen.com>
2623 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2624 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2625 on platforms that don't use dwarf for debug info.
2627 2006-09-12 Jason Merrill <jason@redhat.com>
2630 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2631 hard_frame_pointer_rtx after using it to update the frame pointer.
2633 2006-09-12 Roger Sayle <roger@eyesopen.com>
2635 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2636 (TARGET_ASM_CLOSE_PAREN): Likewise.
2637 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2638 (TARGET_ASM_CLOSE_PAREN): Likewise.
2640 2006-09-12 Roger Sayle <roger@eyesopen.com>
2643 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2644 frame information for frames larger than 512 Kbytes on Tru64 when
2645 using the native assembler.
2647 2006-09-12 Roger Sayle <roger@eyesopen.com>
2651 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2652 and symbols. Instead use the implementation from cse.c's hash_rtx.
2654 2006-09-12 Jan Hubicka <jh@suse.cz>
2656 PR rtl-optimization/28071
2657 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2658 (vect_transform_loop): Likewise.
2659 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2660 (new_loop_vec_info): Likewise.
2661 (destroy_loop_vec_info): Likewise.
2662 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2663 (create_stmt_ann): Likewise.
2664 (create_tree_ann): Rename to ...
2665 (create_tree_common_ann): ... this one; allocate only the common part
2667 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2668 (get_value_handle): Likewise.
2669 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2670 get_tree_common_ann.
2671 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2672 (vinfo_for_stmt): Use stmt annotations.
2673 * tree-flow.h (tree_ann_common_t): New type.
2674 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2675 (tree_ann, get_tree_ann, create_tree_ann): New.
2676 * tree-flow-inline.h (get_function_ann): Do more type checking.
2677 (stmt_ann): Likewise.
2678 (tree_ann): Rename to ...
2679 (tree_common_ann): ... this one; return ony common_ann
2680 (get_tree_ann): Rename to ...
2681 (tree_common_ann): This one; return only common_ann.
2682 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2685 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2687 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2688 with_cpu by default.
2690 * dwarf2out.c (dwarf_file_data): New.
2691 (enum dw_val_class): Add dw_val_class_file.
2692 (struct dw_val_struct): Add val_file.
2693 (file_table): Change to a hash table.
2694 (file_table_emitted): Delete.
2695 (file_table_last_lookup_index): Delete.
2696 (emitcount): Delete.
2697 (last_emitted_file): New.
2698 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2699 (init_file_table): Delete.
2700 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2701 (AT_addr): Add comment.
2705 (print_die): Handle dw_val_class_file.
2706 (print_dwarf_line_table): Update for new file table structure.
2707 (attr_checksum): Do checksum a filename.
2708 (same_dw_val_p, same_attr_p): Do compare a filename.
2709 (size_of_die): Handle dw_val_class_file.
2710 (value_format): Likewise.
2711 (output_die): Likewise. Also, call maybe_emit_file here.
2712 (struct file_info): Constify filenames. Make file_idx a pointer
2713 to a struct dwarf_file_data.
2714 (struct dir_info): Constify directory names. Remove 'used' field.
2715 (struct file_name_acquire_data): New.
2716 (file_name_acquire): New.
2717 (output_file_names): Modify to handle new file data structures.
2718 (add_src_coords_attributes): Use add_AT_file.
2719 (add_call_src_coords_attributes): Likewise.
2720 (dwarf2out_imported_module_or_decl): Likewise.
2721 (gen_subprogram_die): Modify for new file data structures.
2722 (gen_variable_die): Likewise.
2723 (file_table_eq): New.
2724 (file_table_hash): New.
2725 (file_table_last_lookup): New.
2726 (lookup_filename): Rewrite to handle new file data structures.
2727 (maybe_emit_file): Rewrite to handle new file data structures.
2728 (dwarf2out_source_line): Always call lookup_filename and
2730 (dwarf2out_init): Create file_table here.
2731 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2732 (file_table_relative_p): New.
2733 (dwarf2out_finish): Change detection of relative filenames
2734 to work with new file data structures. Move output_line_info call
2735 after debug_info output.
2737 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2742 * config/i386/i386.c (override_options): Always default to 16
2743 byte stack boundary.
2745 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2748 * var-tracking.c (dump_dataflow_set): Start dumping at
2750 (clobber_variable_part): Kill only the variable part in
2751 registers holding it, leaving other variables alone.
2753 2006-09-11 Josh Triplett <josh@freedesktop.org>
2755 * doc/extend.texi (Other Builtins): Actually use the macro
2756 argument in the documentation example for
2757 __builtin_types_compatible_p.
2759 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2761 PR rtl-optimization/28726
2762 * sched-deps.c (sched_analyze_reg): New function extracted from...
2763 (sched_analyze_1): ...here. Call it to analyze references to
2764 registers. Treat again writes to a stack register as writing to the
2766 (sched_analyze_2): ...and here. Call it to analyze references to
2767 registers. Treat again reads of a stack register as reading the
2770 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2771 David Edelsohn <edelsohn@gnu.org>
2774 * config/rs6000/spe.md (frob_df_di): Remove %H.
2775 (frob_di_df): Remove %H. Change evmergelo to mr.
2776 (frob_di_df_2): Remove %H. Change evldd to two loads.
2778 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2780 * doc/cpp.texi: Fix names of charset options.
2782 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2785 * config/i386/i386.c (override_options): Use 128-bit
2786 stack boundary always for 64bits.
2788 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2790 PR rtl-optimization/28636
2791 * combine.c (force_to_mode): Test for side-effects before
2792 substituting by zero.
2793 (simplify_shift_const): Likewise for zero or other constants.
2795 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2798 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2801 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2804 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2805 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2806 returned by mode_for_size, rather than the mode of src itself,
2807 to choose between 32-bit and 64-bit patterns.
2808 (mips_mem_fits_mode_p): New function.
2809 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2810 that the size of the source matches the size of the destination.
2811 (mov_<store>l, mov_<store>r): Likewise.
2813 2006-09-10 Eric Christopher <echristo@apple.com>
2815 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2818 2006-09-09 Eric Christopher <echristo@apple.com>
2821 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2824 2006-09-09 Roger Sayle <roger@eyesopen.com>
2825 Nicolas Setton <setton@adacore.com>
2827 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2829 2006-09-10 Andreas Schwab <schwab@suse.de>
2831 * config/m68k/m68k.md (bungt_rev): New pattern.
2833 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2834 Dale Johannesen <dalej@apple.com>
2837 * regclass.c (struct reg_pref): Update documentation.
2838 (regclass): Set prefclass to NO_REGS if memory is the best option.
2839 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2841 2006-09-08 Eric Christopher <echristo@apple.com>
2843 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2844 * config/t-slibgcc-darwin: Support x86_64 multilib.
2845 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2846 Return 1 for x86_64-darwin.
2847 * config/i386/t-darwin: Add m64 multilib.
2848 (LIB2_SIDITI_CONV_FUNCS): Use.
2849 (LIB2FUNCS_EXTRA): Ditto.
2850 * config/i386/darwin.h: Support x86_64.
2851 * config/i386/i386.c (override_options): Turn on flag_pic
2852 for x86_64-darwin. Disable flag_omit_pointer.
2853 (get_pc_thunk_name): Assert !TARGET_64BIT.
2854 (legitimate_address_p): Disable machopic addressing for
2856 (legitimize_pic_address): Ditto.
2857 (ix86_expand_move): Ditto.
2858 (ix86_expand_call): Ditto.
2859 (machopic_output_stub): Ditto.
2860 * config/darwin.c (machopic_select_section): Support literal16.
2861 (machopic_select_rtx_section): Ditto.
2862 * config/darwin-sections.def: Ditto.
2863 * config/darwin-64.c: New.
2865 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2868 * c-tree.h (struct c_arg_info): Add pending_sizes.
2869 * c-parser.c (c_parser_parms_declarator,
2870 c_parser_parms_list_declarator): Initialize pending_sizes.
2871 * c-decl.c (get_parm_info): Initialize pending_sizes.
2872 (get_parm_info): Set pending_sizes.
2873 (grokdeclarator): Call put_pending_sizes for parameters for
2874 function definition only.
2876 2006-09-07 Jason Merrill <jason@redhat.com>
2879 * varasm.c (output_constant): Only strip actual no-op conversions.
2882 * config/i386/i386.c (override_options): Use 128-bit
2883 stack boundary if -msse.
2885 2006-09-07 Eric Christopher <echristo@apple.com>
2887 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2889 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2892 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2894 * dwarf2out.c: Remove strange characters from comment above
2895 dwarf2out_frame_debug_expr.
2897 2006-09-07 Eric Christopher <echristo@apple.com>
2899 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2900 * config/darwin.h: ... to here.
2902 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2904 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2906 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2907 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2909 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2910 TARGET_PARTIAL_FLAG_REG_STALL.
2911 (*ashldi3_cconly_rex64): Likewise.
2912 (*ashlsi3_cmp): Likewise.
2913 (*ashlsi3_cconly): Likewise.
2914 (*ashlsi3_cmp_zext): Likewise.
2915 (*ashlhi3_cmp): Likewise.
2916 (*ashlhi3_cconly): Likewise.
2917 (*ashlqi3_cmp): Likewise.
2918 (*ashlqi3_cconly): Likewise.
2919 (*ashrdi3_cmp_rex64): Likewise.
2920 (*ashrdi3_cconly_rex64): Likewise.
2921 (*ashrsi3_cmp): Likewise.
2922 (*ashrsi3_cconly): Likewise.
2923 (*ashrsi3_cmp_zext): Likewise.
2924 (*ashrhi3_cmp): Likewise.
2925 (*ashrhi3_cconly): Likewise.
2926 (*ashrqi3_cmp): Likewise.
2927 (*ashrqi3_cconly): Likewise.
2928 (*lshrdi3_cmp_rex64): Likewise.
2929 (*lshrdi3_cconly_rex64): Likewise.
2930 (*lshrsi3_cmp): Likewise.
2931 (*lshrsi3_cconly): Likewise.
2932 (*lshrsi3_cmp_zext): Likewise.
2933 (*lshrhi3_cmp): Likewise.
2934 (*lshrhi3_cconly): Likewise.
2935 (*lshrqi2_cmp): Likewise.
2936 (*lshrqi2_cconly): Likewise.
2938 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2941 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2942 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2943 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2944 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2945 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2946 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2947 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2948 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2949 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2950 implement only CC setting effects of shift instructions.
2952 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2954 * doc/contrib.texi: Add myself.
2956 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2959 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2960 was set by the user.
2962 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2965 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2966 (divsi_inv_m1): Use them.
2967 (UNSPEC_DIV_INV_TABLE): New constant.
2969 2006-09-06 James E Wilson <wilson@specifix.com>
2972 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2973 then call count_or_remove_death_notes.
2975 2006-09-06 Jason Merrill <jason@redhat.com>
2978 * tree-inline.c (copy_result_decl_to_var): New fn.
2979 (declare_return_variable): Use it. Call declare_inline_vars here.
2980 (expand_call_inline): Not here.
2982 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2984 * doc/contrib.texi: Update my entry.
2986 2006-09-06 Nick Clifton <nickc@redhat.com>
2988 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2990 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2993 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2994 (canonicalize_induction_variables): Likewise.
2995 (tree_unroll_loops_completely): Likewise.
2996 (tree_ssa_prefetch_arrays): Likewise.
2997 (remove_empty_loops): Likewise.
2998 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2999 TODO_cleanup_cfg instead of directly calling
3000 cleanup_tree_cfg_loop.
3001 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3003 (tree_unroll_loops_completely): Likewise.
3004 (remove_empty_loops): Likewise.
3005 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3006 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3007 of tree_ssa_unswitch_loops.
3008 (tree_ssa_loop_ivcanon): Use the return value of
3009 canonicalize_induction_variables.
3010 (tree_ssa_empty_loop): Use the return value of
3012 (tree_complete_unroll): Use the return value of
3013 tree_unroll_loops_completely.
3014 (tree_ssa_loop_prefetch): Use the return value of
3015 tree_ssa_prefetch_arrays.
3016 * passes.c (execute_todo): Before Cleanup CFG, set
3017 updating_used_alone and after cleanup CFG, call
3018 recalculate_used_alone.
3020 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3023 * tree-vect-transform.c (vectorizable_condition): Move the check
3024 for the type after the check for simple condition.
3026 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3027 Kaz Kojima <kkojima@gcc.gnu.org>
3030 * mode-switching.c (optimize_mode_switching): Make the destination
3031 block of an abnormal edge have no anticipatable mode. Don't
3032 insert mode switching code at the end of the source block of
3035 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3037 PR rtl-optimization/26847
3038 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3039 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3040 (simplify_plus_minus): Count n_constants while filling ops. Replace
3041 qsort with insertion sort. Before going through the array to simplify
3042 pairs, sort it. Delay early exit until after the first sort, exiting
3043 only if no swaps occurred. Simplify pairs in reversed order, without
3044 special-casing the first iteration. Pack ops after simplifying pairs.
3046 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3048 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3049 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3050 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3051 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3053 2006-09-05 Richard Guenther <rguenther@suse.de>
3055 PR tree-optimization/28900
3056 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3057 compound conditional before creating COND_EXPR condition.
3059 2006-09-05 Richard Guenther <rguenther@suse.de>
3061 PR tree-optimization/28905
3062 * tree-vrp.c (fix_equivalence_set): Manually implement
3063 !value_ranges_intersect_p to also handle symbolic ranges.
3065 2006-09-05 Richard Guenther <rguenther@suse.de>
3068 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3071 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3073 PR rtl-optimization/27616
3074 * cse.c (table_size): New static variable.
3075 (new_basic_block): Initialize it to 0.
3076 (remove_from_table): Decrement it.
3077 (insert): Increment it.
3078 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3079 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3080 fold_rtx_mem_1 if under the cap.
3081 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3082 the lookup of the equivalent expression and test for equality of the
3083 first operand of the equivalent expression before in turn looking up
3084 an equivalent constant for the second operand.
3086 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3089 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3090 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3091 pointer, instead of assuming it is possible to derive the
3092 correct args size from a call insn.
3094 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3097 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3098 (fold_builtin_mempcpy): Rename to...
3099 (fold_builtin_memory_op): ... this. Optimize one element copy
3101 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3103 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3104 (expand_builtin_memcpy, expand_builtin_mempcpy,
3105 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3106 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3107 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3108 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3110 2006-09-01 DJ Delorie <dj@redhat.com>
3112 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3113 (stzx_16): Likewise.
3114 ("stzx_24_<mode>"): Likewise.
3115 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3116 ("cmp<mode>_op"): New.
3117 (cmp<mode>): Change to expander; just save operands.
3119 (b<code>): Change to expander, emit compare here.
3120 (s<code>_op): Change to use split and expander.
3121 (s<code>_24_op): Likewise.
3122 (s<code>_<mode>): New.
3123 (s<code>_<mode>_24): New.
3124 (movqicc_<code>_<mode): New.
3125 (movhicc_<code>_<mode>): New.
3128 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3129 (m32c_pend_compare): New.
3130 (m32c_unpend_compare): New.
3131 (m32c_expand_scc): New.
3132 (m32c_expand_movcc): Emit the compare also.
3133 * config/m32c/predicates.md (mra_nopp_operand): New.
3135 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3136 Richard Guenther <rguenther@suse.de>
3137 Adam Nemet <anemet@caviumnetworks.com>
3140 * builtins.c (get_pointer_alignment): Handle more forms
3141 of base addresses that can be used to derive more precise
3142 information about alignment.
3144 2006-09-01 Jason Merrill <jason@redhat.com>
3147 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3150 * gimplify.c (voidify_wrapper_expr): Handle null type.
3152 2006-09-01 Josh Conner <jconner@apple.com>
3155 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3156 (execute_return_slot_opt): Use it.
3158 2006-08-31 Josh Conner <jconner@apple.com>
3161 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3162 returning aggregates.
3164 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3166 PR tree-optimization/28839
3167 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3168 blocks in that phi arguments appear.
3170 2006-08-31 Roger Sayle <roger@eyesopen.com>
3173 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3174 NULL, otherwise use an advance_loc4 to adjust relative to the
3176 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3177 (dwarf2out_switch_text_section): Reset the current label to avoid
3178 using advance_loc4 over section boundaries.
3180 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3183 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3184 r12 + SYMBOLIC_CONST.
3186 2006-08-30 Richard Guenther <rguenther@suse.de>
3188 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3190 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3192 PR rtl-optimization/27735
3193 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3194 Add new argument to keep track of whether an irreducible region
3195 was affected. All callers changed.
3196 (fix_irreducible_loops): Removed.
3197 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3198 flags were invalidated.
3200 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3202 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3203 instead of SF operands.
3204 (*fop_df_comm_sse): Likewise.
3205 (*fop_df_comm_i387): Likewise.
3206 (*fop_df_1_mixed): Likewise.
3207 (*fop_df_1_sse): Likewise.
3209 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3210 J"orn Rennecke <joern.rennecke@st.com>
3212 PR tree-optimization/17506
3213 * tree-ssa.c (warn_uninit): If warning about a location outside of
3214 the current function, note where the variable was declared.
3216 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3218 PR tree-optimization/28411
3219 * double-int.c (double_int_div): Use double_int_divmod.
3220 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3221 double_int_mod, double_int_smod, double_int_umod): New functions.
3222 * double-int.h (double_int_divmod, double_int_sdivmod,
3223 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3225 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3227 (get_computation_aff, get_computation_cost_at): Handle double_int
3228 return type of constant_multiple_of.
3230 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3233 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3234 an implicit conversion.
3236 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3238 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3240 2006-08-27 Roger Sayle <roger@eyesopen.com>
3242 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3245 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3247 * config/i386/crtfastmath.c: Fix a comment typo.
3249 2006-08-26 Roger Sayle <roger@eyesopen.com>
3251 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3252 temporary visit flags on CASE_LABEL_EXPRs.
3253 * c-common.c (match_case_to_enum): Add function comment. Avoid
3254 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3255 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3256 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3257 a constant, only warn if that constant value isn't handled.
3259 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3262 * input.h (restore_input_file_stack): Declare.
3263 (INPUT_FILE_STACK_BITS): Define.
3264 * toplev.c (fs_p, input_file_stack_history,
3265 input_file_stack_restored, restore_input_file_stack): New.
3266 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3267 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3268 (pop_srcloc): Don't free old state of stack.
3270 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3273 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3274 (PowerPC Type Attributes): New.
3276 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3278 * config/xtensa/xtensa.c (function_arg_boundary): New.
3279 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3281 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3282 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3284 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3287 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3290 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3292 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3293 (verify_local_live_at_start): Likewise.
3295 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3298 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3299 omp_add_variable): Treat sizes as variable whenever not
3302 2006-08-26 Richard Guenther <rguenther@suse.de>
3305 * fold-const.c (fold_binary): Fold temporary to correct
3306 type before constructing new comparison.
3308 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3311 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3312 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3314 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3317 * c-decl.c (start_function): Don't try to process prototype
3318 information from old declaration that isn't a function.
3320 2006-08-25 Jan Hubicka <jh@suse.cz>
3323 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3325 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3328 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3331 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3333 PR tree-optimization/16876
3334 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3335 exit if PARM doesn't match VALUE.
3337 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3339 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3340 literal_prefix directive.
3341 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3342 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3343 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3345 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3348 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3349 predicate to general_operand. Add 0->y and I->r alternatives.
3351 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3353 * doc/tm.texi: Fix a typo.
3354 * predict.c: Fix comment typos.
3356 2006-08-25 Nick Clifton <nickc@redhat.com>
3358 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3359 assertions of "cpu" and "machine".
3361 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3364 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3365 the access through a base which has an alias set of 0 cannot
3368 2006-08-24 Bill Wendling <wendling@apple.com>
3370 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3372 2006-08-24 Jan Hubicka <jh@suse.cz>
3374 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3376 2006-08-24 Jan Hubicka <jh@suse.cz>
3379 * cgraph.c: Fix comments.
3380 (cgraph_varpool_mark_needed_node): Mark only variables not already
3382 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3383 (cgraph_varpool_assembled_nodes_queue): New static variable.
3384 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3385 (cgraph_varpool_output_debug_info): New function.
3386 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3387 * Makefile.in: Add gt-cgraphunit.h
3389 2006-08-24 Jan Hubicka <jh@suse.cz>
3391 * predict.c (probability_reliable_p): New predicate.
3392 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3393 (predict_loops): Do not predict loop exit with less than 2%
3395 * basic-block.h (edge_probability_reliable_p,
3396 br_prob_note_reliable_p): Declare.
3397 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3398 prediction when static predictor is not reliable.
3399 * rs6000.c (output_cbranch): Likewise.
3401 2006-08-23 Stuart Hastings <stuart@apple.com>
3404 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3405 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3407 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3410 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3411 complex values, nor for generic vector values.
3413 2006-08-22 Richard Guenther <rguenther@suse.de>
3416 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3417 parameter. Convert arguments to arithmetic expression to the
3419 (analyze_scalar_evolution_1): Adjust caller.
3421 2006-08-22 Jan Hubicka <jh@suse.cz>
3423 Patch by Paolo Bonzini
3424 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3427 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3429 PR tree-optimization/28003
3430 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3431 before grouping aliases.
3433 2006-08-22 Roger Sayle <roger@eyesopen.com>
3435 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3436 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3438 2006-08-21 Jason Merrill <jason@redhat.com>
3441 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3442 wrapper. Loop to handle nested wrappers.
3443 (gimplify_bind_expr): Remove temp parameter.
3444 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3445 and STATEMENT_LIST on the rhs.
3446 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3447 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3448 (gimplify_target_expr): Remove special BIND_EXPR handling.
3450 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3452 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3455 2006-08-21 Olivier Hainque <hainque@adacore.com>
3457 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3458 Arrange for the temporary captures of components overlapping the lhs
3459 to happen before the lhs is possibly cleared.
3461 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3463 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3464 necessary places to pass the correct "number of registers" values
3467 2006-08-20 Jan Hubicka <jh@suse.cz>
3469 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3470 (create_name_tags): Instead of quadratic checking use hashtable.
3471 * bitmap.h: Include hashtab.h.
3472 (bitmap_hash): Declare.
3473 * bitmap.c (bitmap_hash): New function.
3475 2006-08-20 Jan Hubicka <jh@suse.cz>
3477 PR rtl-optimization/28071
3478 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3480 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3481 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3482 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3483 cgraph_decide_inlining_incrementally): Update use of
3484 cgraph_check_inline_limits.
3485 * cgraph.c (edge_hash, edge_eq): New function.
3486 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3487 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3488 cgraph_remove_node): Maintain call site hash.
3489 * cgraph.h (struct cgraph_node): Add call_site_hash.
3490 (cgraph_set_call_stmt): New function.
3492 2006-08-20 Jan Hubicka <jh@suse.cz>
3494 PR rtl-optimization/28071
3495 * reload1.c (reg_has_output_reload): Turn into regset.
3496 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3497 choose_reload_regs, emit_reload_insns): Update to new
3498 reg_has_output_reload.
3500 2006-08-20 Jan Hubicka <jh@suse.cz>
3503 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3504 function body sizes.
3505 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3507 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3510 * tree.c (handle_dll_attribute): Return early if not a
3511 var or function decl.
3513 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3516 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3517 alignment of SPE vector types.
3519 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3521 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3523 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3526 * cgraph.h (struct cgraph_node): Remove externally_visible
3528 * cgraphunit.c (process_function_and_variable_attributes): Set
3529 local.externally_visible rather than externally_visible.
3532 * c-common.c (handle_externally_visible_attribute): First look
3533 at TREE_CODE and only if it is function or var decl, check for
3534 non-public objects. Don't warn for DECL_EXTERNAL.
3535 * cgraphunit.c (process_function_and_variable_attributes): Warn
3536 if externally_visible attribute is used on non-public object.
3538 2006-08-17 Jan Hubicka <jh@suse.cz>
3540 PR tree-optimization/27865
3541 * reload1.c (forget_marked_reloads): New function.
3542 (forget_old_reloads_1): When data are passed, just mark the registers
3544 (reload_as_needed): Use the new mechanizm.
3546 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3549 * reload.h (reg_equiv_alt_mem_list): New declaration.
3550 * reload1.c (reg_equiv_alt_mem_list): New definition.
3551 (reload): Initialize it and release it.
3552 (delete_output_reload): Use it.
3553 * reload.c (push_reg_equiv_alt_mem): New function.
3554 (find_reloads_toplev): Call it.
3555 (find_reloads_address, find_reloads_address_1): Likewise.
3556 (find_reloads_subreg_address): Likewise.
3558 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3560 PR rtl-optimization/28489
3561 * sched-ebb.c (begin_schedule_ready): Create basic block
3563 (advance_target_bb): Skip empty blocks.
3564 * haifa-sched.c (bb_note): Make global.
3565 * sched-int.h (bb_note): Add prototype.
3567 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3569 PR tree-optimization/27865
3570 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3572 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3573 fold_used_pointer, pointer_used_p): New functions.
3574 (analyze_scalar_evolution_1): Use fold_used_pointer.
3575 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3576 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3579 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3582 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3583 or the INTEGER_CST. Fail on a CALL_EXPR.
3584 (fold_offsetof): Pass new argument to fold_offsetof_1.
3585 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3586 operand into an INDIRECT_REF.
3587 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3589 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3591 PR gcov/profile/26570
3592 * value-prof.c (static_values): Removed.
3593 (tree_find_values_to_profile): Do not set static_values.
3594 (find_values_to_profile): Do not free static_values.
3595 * profile.c (instrument_values): Do not free the values.
3596 (branch_prob): Free the values.
3598 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3600 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3602 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3605 * c-typeck.c (build_component_ref): Combine qualifiers of
3606 structure or union and field.
3608 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3610 PR rtl-optimization/28071
3611 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3612 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3613 * tree-into-ssa.c (struct dom_dfsnum): New.
3614 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3616 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3617 compute_global_livein.
3618 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3619 in phi nodes in the correct blocks.
3621 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3623 PR tree-optimization/28364
3624 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3626 (fold_affine_expr): New function.
3627 (may_eliminate_iv): Use fold_affine_expr.
3629 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3632 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3635 2006-08-16 Mike Stump <mrs@apple.com>
3637 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3638 * doc/cppopts.texi (-MD): Likewise.
3640 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3643 * c-common.c (handle_weak_attribute): Ignore and warn if
3644 not a FUNCTION_ or VAR_DECL.
3646 2006-07-15 Mike Stump <mrs@apple.com>
3649 * c-parser.c (c_parser_typeof_specifier): Don't use
3650 c_finish_expr_stmt, open code desired semantics instead.
3652 2006-08-15 Nick Clifton <nickc@redhat.com>
3654 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3655 fragment to tmake_file only if threads are enabled.
3656 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3657 * config/i386/t-gthr-win32: New file. ... here.
3659 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3662 * c-parser.c (c_parser_compound_statement_nostart): Reset
3663 parser->error after each statement.
3665 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3668 * omp-low.c (lower_omp_parallel): Convert t to
3669 receiver_decl's type.
3670 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3671 source before comparison.
3674 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3675 to itype in assignment to oldival2.
3677 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3681 * c-typeck.c (build_compound_expr): If the second expression
3682 is an error mark, then just return an error mark instead of
3683 creating a COMPOUND_EXPR.
3685 2006-07-14 Mike Stump <mrs@apple.com>
3687 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3689 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3691 * c-decl.c, var-tracking.c: Fix comment typos.
3693 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3695 PR rtl-optimization/28634
3696 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3697 for floating-point modes unless flag_unsafe_math_optimizations.
3699 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3700 Andrew Pinski <pinskia@physics.uc.edu>
3703 * tree.c (build_array_type): Unify array types with
3704 unspecified index_type.
3705 * c-decl.c (grokdeclarator): Make sure we do not modify a
3706 unified incomplete array type.
3707 * c-typeck.c (store_init_value): Create distinct type before
3708 filling in the index type in an initializer from a compound
3711 * c-decl.c (grokdeclarator): Remove code where we copy the
3714 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3716 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3717 into account for TODO_dump_cgraph.
3718 (TODO_update_ssa_no_phi): Likewise.
3719 (TODO_update_ssa_full_phi): Likewise.
3720 (TODO_update_ssa_only_virtuals): Likewise.
3721 (TODO_remove_unused_locals): Likewise.
3722 (TODO_set_props): Likewise.
3723 (TODO_update_stmt_usage): Likewise.
3725 2006-08-13 Dirk Mueller <dmueller@suse.de>
3727 * c-common.c (strict_aliasing_warning): Fix formatting.
3729 2006-08-13 Matthias Klose <doko@debian.org>
3731 * doc/invoke.texi: Fix spelling errors.
3733 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3735 PR rtl-optimization/23454
3736 * reorg.c (relax_delay_slots): Update comment.
3738 2006-08-11 Richard Guenther <rguenther@suse.de>
3741 * simplify-rtx.c (simplify_const_relational_operation):
3742 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3745 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3747 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3748 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3750 2006-08-10 Paul Brook <paul@codesourcery.com>
3752 * final.c (final_scan_insn): Clear current_insn_predicate before
3753 outputting inline asm.
3755 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3757 PR tree-optimization/26197
3758 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3759 get_ref_base_and_extent and overlap_subvar to add only relevant
3760 subvars as may-aliases.
3761 (add_may_alias_for_new_tag): New function, factored out of
3763 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3764 with additional argument.
3765 * tree-flow.h (new_type_alias): Takes additional argument.
3767 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3769 * gcov.c (no_data_file): New flag.
3770 (read_count_file): Set it if data file not present. Assume counts
3772 (output_lines): Don't name the data file, if there wasn't one.
3774 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3776 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3777 (rs6000_generate_compare): Tweak comments.
3778 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3780 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3782 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3783 (var_debug_decl): New function.
3784 (var_reg_set): Follow debug decl link. Add location even if
3785 reg is already known to hold some other variable.
3786 (var_mem_set): Follow debug decl link.
3787 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3788 decl link. Delete other known locations of the variable part
3790 (var_reg_delete, var_mem_delete): Delete other known locations
3791 of the variable part if requested.
3792 (same_variable_part_p): New function.
3793 (add_stores): Select MO_COPY when appropriate.
3794 (vt_initialize): Handle it.
3795 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3796 known locations for MO_SET and MO_CLOBBER.
3797 (find_variable_location_part): New function.
3798 (set_variable_part, delete_variable_part): Use it.
3799 (clobber_variable_part): New function.
3800 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3803 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3805 PR tree-optimization/26969
3806 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3807 with an empty list of PHIs.
3809 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3813 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3816 2006-08-06 Andreas Schwab <schwab@suse.de>
3818 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3819 string. Whitespace and comment fixup.
3821 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3824 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3828 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3831 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3833 2006-08-04 Jan Hubicka <jh@suse.cz>
3837 * reload.c (push_reload): Patch out the mismatching instruction;
3839 (find_reload): Bail out if the instruction was patched out.
3841 2006-08-04 Jan Hubicka <jh@suse.cz>
3843 PR tree-optimization/24888
3844 * tree-inline.c (expand_call_inline): Do not re-record variables.
3845 (declare_inline_vars): Add variable to unexpanded_var_list.
3847 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3848 Roger Sayle <roger@eyesopen.com>
3850 PR rtl-optimization/26244
3851 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3852 inner_const are negative or greater than or equal to the bitsize of
3853 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3854 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3855 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3856 CONST0_RTX (mode) when the new shift count is greater than or equal to
3857 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3860 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3862 * tree-cfg.c: Fix a comment typo.
3864 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3867 * varasm.c (output_constant): Give the front end another chance to
3868 expand constants, after stripping NOPs.
3870 2006-08-03 Jan Hubicka <jh@suse.cz>
3872 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3875 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3877 PR tree-optimization/27770
3878 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3879 declaration removed (moved to tree-flow.h).
3880 (vect_can_force_dr_alignment_p): Likewise.
3881 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3882 (moved from tree-vectorizer.h).
3883 (vect_can_force_dr_alignment_p): Likewise.
3884 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3885 from outside the vectorizer - in particular from cgraph stage.
3886 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3887 the alignment of global arrays when -fsection-anchors is enabled.
3888 * cgraphunit.c (cgraph_increase_alignment): New function.
3889 (cgraph_optimize): Call cgraph_increase_alignment.
3891 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3894 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3895 not reload a SPE symbol_ref into a lo_sum address.
3897 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3900 * dwarf2out.c (prune_unused_types_prune): Move call to
3901 prune_unused_types_update_strings to cover the parent DIE also.
3903 2006-08-02 Jan Hubicka <jh@suse.cz>
3905 PR gcov/profile/28480
3906 * tree-cfg.c (change_bb_for_stmt): New function.
3907 (tree_merge_blocks, tree_split_blocks): Use it.
3909 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3915 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3916 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3917 (cgraph_optimize): Likewise.
3919 2006-08-01 Stuart Hastings <stuart@apple.com>
3921 * rtl.h (UINTVAL) New.
3922 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3923 * testsuite/gcc.dg/20060801-1.c: New.
3925 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3928 * c-typeck.c (build_external_type): Mark used enum types.
3929 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3931 (gen_subprogram_die): Whitespace fix.
3933 2006-08-01 Jan Hubicka <jh@suse.cz>
3935 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3936 bitmap when not needed.
3937 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3940 2006-08-01 Dirk Mueller <dmueller@suse.de>
3942 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3944 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3946 * Makefile.in: Revert part of previous patch:
3947 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3950 2006-07-30 Eric Christopher <echristo@apple.com>
3953 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3954 (PowerPC Variable Attributes): New section.
3956 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3958 PR target/28126 (partial fix)
3959 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3961 2006-07-28 Jan Hubicka <jh@suse.cz>
3963 PR rtl-optimization/28071
3964 * cfgrtl.c (rtl_delete_block): Free regsets.
3965 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3967 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3969 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3970 and variables used in dependencies.
3972 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3974 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3975 %fs for -mcmodel=kernel.
3976 (stack_tls_protect_test_di): Likewise.
3978 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3980 * Makefile.in: Use mkinstalldirs.
3982 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3985 * opts-common.c (prune_options): Skip joined switches.
3987 2006-07-27 Jan Hubicka <jh@suse.cz>
3989 PR rtl-optimization/28071
3990 * cselib.c (cselib_process_insn): Don't remove useless values too
3991 often for very large hashtables.
3993 2006-07-27 Jan Hubicka <jh@suse.cz>
3995 PR rtl-optimization/28071
3996 * global.c (greg_obstack): New obstack.
3997 (allocate_bb_info): Use it.
3998 (free_bb_info): Likewise.
3999 (modify_reg_pav): Likewise.
4001 2006-07-27 Roger Sayle <roger@eyesopen.com>
4003 * builtins.c (fold_fixed_mathfn): When long and long long are the
4004 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4005 functions to their lceil*, lfloor*, lround* and lrint* forms.
4007 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4010 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4012 (rev_branch_insn): Likewise.
4014 2006-07-27 Jan Hubicka <jh@suse.cz>
4016 PR rtl-optimization/28071
4017 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4018 (reg_set_in_bb, max_reg_computed): New static variables.
4019 (regmove_optimize): Free the new array.
4020 (fixup_match_1): Update call of reg_is_remote_constant_p.
4022 2006-07-26 Jan Hubicka <jh@suse.cz>
4024 PR tree-optimization/27882
4025 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4027 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4029 (cgraph_analyze_compilation_unit): Likewise.
4030 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4031 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4032 (cgraph_early_inlinine): Make order garbage collected.
4033 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4035 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4037 * dbxout.c (output_types_sort): Add a comment.
4038 (output_used_types): Free the VEC.
4040 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4042 * function.c (reorder_fix_fragments): Delete.
4043 (reorder_blocks): Don't call it.
4044 (reorder_blocks_1): Put all subblocks under the origin block.
4046 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4048 PR rtl-optimization/27907
4049 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4052 2006-07-25 Roger Sayle <roger@eyesopen.com>
4055 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4056 bar(x) check that bar's result type can represent all the values of T.
4058 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4060 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4062 2006-07-25 Nick Clifton <nickc@redhat.com>
4064 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4065 size_lookup[] array.
4066 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4067 (ggc_pch_count_object): Likewise.
4068 (ggc_pch_alloc_object): Likewise.
4069 (ggc_pch_write_object): Likewise.
4070 (init_ggc): Do not attempt to initialize entries in the
4071 size_lookup[] array for objects whose size is greater than than
4072 the length of the array.
4074 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4076 * dbxout.c (output_used_types_helper): Push queued types
4078 (output_types_sort): New.
4079 (output_used_types): Collect used types on a VEC and sort them
4082 2006-07-24 Richard Guenther <rguenther@suse.de>
4085 * cgraph.c (cgraph_remove_node): Do not check if dumps
4087 * cgraphunit.c (cgraph_optimize): Likewise.
4089 2006-07-24 Jan Hubicka <jh@suse.cz>
4091 PR rtl-optimization/28071
4092 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4093 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4094 splitting before first stmt.
4096 2006-07-24 Jan Hubicka <jh@suse.cz>
4098 PR rtl-optimization/28071
4099 * ipa-inline.c (update_caller_keys): Remove edges that
4100 are no longer inline candidates.
4102 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4105 * dbxout.c (output_used_types_helper, output_used_types): New.
4106 (dbxout_symbol): Call output_used_types.
4108 2006-07-23 Jan Hubicka <jh@suse.cz>
4112 * cgraph.c (cgraph_varpool_nodes): Export.
4113 (decide_is_variable_needed): Ignored "used" attribute in
4114 unit-at-a-time mode.
4115 * cgraph.h (cgraph_varpool_nodes): Declare.
4116 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4117 unit-at-a-time mode.
4119 2006-07-23 Roger Sayle <roger@eyesopen.com>
4122 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4123 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4124 the __gthrw form of thr_keycreate.
4125 (__gthread_key_delete): Silence the unused argument warning.
4127 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4130 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4131 Cache the last found '\0' marker to avoid quadratic behavior.
4133 2006-07-23 Jan Hubicka <jh@suse.cz>
4135 * i386.md (subsi_3_zext): Fix output template.
4137 2006-07-21 Mike Stump <mrs@apple.com>
4139 * doc/invoke.texi (C++ Dialect Options): Note that
4140 -fvisibility-inlines-hidden doesn't affect explicitly
4141 instantiationed inline methods.
4143 2006-07-20 Roger Sayle <roger@eyesopen.com>
4145 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4146 if the target assembler is GNU binutils' gas.
4147 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4148 whether to pass GNU gas or native as command line options.
4150 2006-07-20 Jason Merrill <jason@redhat.com>
4152 * tree.c (remove_attribute): New fn.
4153 * tree.h: Declare it.
4155 2006-07-20 Paul Brook <paul@codesourcery.com>
4158 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4159 they are invalidated by this instruction.
4161 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4164 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4166 2006-07-20 Eric Christopher <echristo@apple.com>
4169 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4171 2006-07-19 Eric Christopher <echristo@apple.com>
4173 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4174 Rewrite dependencies for libgcc_s.1.dylib.
4176 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4178 * except.c (duplicate_eh_regions_1): Clear next_peer.
4180 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4182 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4183 -mlongcall does not guarantee all calls will be long.
4184 * doc/extend.texi (long_call/short_call): Document that longcall
4185 does not guarantee a long call will be used.
4186 (longcall/shortcall): Likewise.
4188 2006-07-18 Roger Sayle <roger@eyesopen.com>
4191 * expmed.c (expand_shift): Additionally check that the shift_cost
4192 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4193 before implementing a LSHIFT_EXPR as a sequence of additions.
4194 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4195 middle-end that DImode shifts need to be synthesized by expand.
4197 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4200 * tree-ssa-operands.c (access_can_touch_variable): Update
4202 Return true if ALIAS is .GLOBAL_VAR.
4204 2006-07-18 David Daney <ddaney@avtrex.com>
4206 * gcc.c (display_help): Fix typo in help text.
4208 2006-07-18 Olivier Hainque <hainque@adacore.com>
4210 * tree.h (categorize_ctor_elements): Adjust prototype and add
4211 descriptive comment, both in accordance with the interface change
4213 * varasm.c (constructor_static_from_elts_p): New function.
4214 Whether a constructor node is a valid static constant initializer
4215 if all its elements are.
4216 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4217 * output.h: Declare it.
4218 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4219 is a valid constant initializer instead of computing the number of
4220 non-constant elements. Use constructor_static_from_elts_p for this
4221 purpose. Replace the head comment with an indication that this is a
4222 helper for categorize_ctor_elements.
4223 (categorize_ctor_elements): Same interface change as for the _1
4224 helper. Former head comment from this helper moved here, adjusted to
4225 account for the interface changes.
4226 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4227 (all_zeros_p): Likewise.
4228 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4229 static versions of the constructor from the categorize_ctor_elements
4230 return value instead of the formerly computed number of non-constant
4233 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4235 * configure: Regenerate.
4236 * Makefile.in (build_libsubdir): New configure substitution
4237 (build_libobjdir): New variable.
4238 (BUILD_LIBIBERTY): Use it.
4240 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4243 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4245 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4248 * c-common.c (handle_weakref_attribute): Ignore attribute in
4249 the same conditions the alias attribute is ignored.
4251 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4253 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4254 (dbxout_begin_prologue): Increment scope_labelno.
4256 2006-07-17 Richard Henderson <rth@redhat.com>
4259 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4262 2006-07-17 Roger Sayle <roger@eyesopen.com>
4263 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4265 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4266 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4267 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4268 functions such as sbrk, write, etc.. Add function prototypes.
4269 Convert function declarations from K&R to ISO C. Cast pointers
4270 to "long" and "unsigned long" instead of "int" and "unsigned int".
4271 Convert tokens following #endif into comments.
4273 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4275 * invoke.texi: Remove mention of f77; Reformat table for
4276 inline parameter options correctly; mention that -malign-double
4277 is default on x86-64 targets.
4279 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4281 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4282 (convert_affine_scev, chrec_convert_aggressive): Use
4283 avoid_arithmetics_in_type_p. Do not check for the subtypes
4286 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4289 * optabs.c (expand_doubleword_shift): Wrap the call to
4290 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4292 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4295 * optabs.c (expand_binop): Pass next_methods rather than methods
4296 to expand_doubleword_shift.
4298 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4301 * tree.h (dump_addr): Declare.
4302 * print-tree.c (dump_addr): New function.
4303 (print_node_brief, print_node): Use it.
4304 * print-rtl.c (print_rtx): Likewise.
4305 * common.opt (-fdump-noaddr): New option.
4306 * doc/invoke.texi (-fdump-noaddr): Document.
4307 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4308 (ve_info_hash): Likewise.
4310 2006-07-13 Andrew Haley <aph@redhat.com>
4312 PR tree-optimization/19505
4313 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4314 edge leaving this block, make sure that the destination of this
4315 block has only one predecessor.
4317 2006-07-17 Richard Guenther <rguenther@suse.de>
4319 PR tree-optimization/28238
4320 * tree-inline.c (copy_bb): Check if we produced valid
4321 gimple copying and substituting a stmt. If not, gimplify
4324 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4326 * optabs.c (maybe_encapsulate_block): New function extracted from...
4327 (emit_libcall_block): ...here. Invoke it on the block of insns to
4328 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4329 (emit_no_conflict_block): Likewise.
4331 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4333 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4335 2006-07-15 Roger Sayle <roger@eyesopen.com>
4337 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4338 a new NOP_EXPR case of the switch statement.
4340 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4343 * stor-layout.c (place_field): Take the bit field with
4344 an excessive size into account in the ms-bitfiled case.
4347 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4348 the previous bit field.
4350 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4353 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4355 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4357 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4358 signal frames correctly even when the signal was installed with
4361 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4363 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4364 (dbxout_function_end): Use local label LFBB. Remove hook
4366 (dbxout_source_line): Use local label LFBB.
4367 (dbxout_block): Likewise.
4368 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4369 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4370 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4371 and DBX_OUTPUT_NFUN.
4373 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4375 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4377 2006-07-13 Jan Hubicka <jh@suse.cz>
4379 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4381 * output.h (align_variable): Declare.
4382 * varasm.c (align_variable): Export.
4383 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4384 when basic block changed.
4386 2006-07-13 Nick Clifton <nickc@redhat.com>
4388 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4389 walking the LOG_LINKS chain.
4391 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4393 * doc/invoke.texi (C++ Dialect Options): Explain difference
4394 between -fvisibility-inlines-hidden and setting hidden
4395 visibility explicitly.
4397 2006-07-12 Eric Christopher <echristo@apple.com>
4399 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4400 (stmp-lipo): Depend on libgcc.a.
4402 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4404 * tree.c: Fix a comment typo.
4406 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4408 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4410 (umulhisi3_r): Likewise.
4412 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4415 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4416 x < 19, vs wchar_t support.
4418 2006-07-12 Nick Clifton <nickc@redhat.com>
4420 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4421 instead of -isa=sh4.
4423 2006-07-12 Mike Stump <mrs@apple.com>
4425 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4427 2006-07-10 Eric Christopher <echristo@apple.com>
4429 * config/t-slibgcc-darwin: Rewrite.
4431 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4434 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4437 2006-07-08 Matthias Klose <doko@debian.org>
4439 * doc/sourcebuild.texi: Fix typo.
4441 2006-07-07 Mike Stump <mrs@apple.com>
4443 * toplev.c (process_options): Don't give -ffunction-sections may
4444 affect debugging warning for Mach-O.
4446 2006-07-07 James E Wilson <wilson@specifix.com>
4448 * config/mips/mips.md (cpu): Add sb1a.
4449 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4450 addition to sb1. Adjust comments to clarify SB-1A differences from
4452 (ir_sb1a_load): New. Modify bypasses to use it.
4453 (ir_sb1a_simple_alu): Likewise.
4454 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4455 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4456 (mips_issue_rate): Add PROCESSOR_SB1A.
4457 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4458 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4459 (TARGET_SB1): Add PROCESSOR_SB1A check.
4460 (TUNE_SB1): Likewise.
4462 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4463 * config/mips/mips.c (mips_store_data_bypass_p): New.
4464 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4465 store_data_bypass_p.
4467 2006-07-08 Paul Brook <paul@codesourcery.com>
4470 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4472 2006-07-07 Richard Guenther <rguenther@suse.de>
4475 * tree.h (build_one_cst): Declare.
4476 * tree.c (build_one_cst): New function.
4477 * tree-ssa-math-opts.c (get_constant_one): Remove.
4478 (insert_reciprocals): Use build_one_cst.
4479 * fold-const.c (fold_plusminus_mult): Likewise.
4481 2006-07-07 Roger Sayle <roger@eyesopen.com>
4483 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4484 * cfgloopanal.c (dump_graph): Likewise.
4485 * dojump.c (discard_pending_stack_adjust): Likewise.
4486 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4488 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4489 * function.c (finalize_block_changes): Likewise.
4490 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4491 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4492 * rtl.c (dump_rtx_statistics): Likewise.
4493 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4495 * varray.c (dump_varray_statistics): Likewise.
4496 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4497 decode_decimal64, encode_decimal128, decode_decimal128,
4498 decimal_real_to_decimal): Likewise.
4500 2006-07-07 Richard Guenther <rguenther@suse.de>
4502 PR tree-optimization/28187
4503 * tree-vrp.c (vrp_operand_equal_p): New function.
4504 (vrp_bitmap_equal_p): Likewise.
4505 (update_value_range): Use them to compare old and new
4508 2006-07-06 Roger Sayle <roger@eyesopen.com>
4510 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4511 a default case to switch statement to silence compiler warnings.
4513 2006-07-06 Roger Sayle <roger@eyesopen.com>
4516 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4517 the configured assembler supports the x87's ffreep mnemonic.
4518 * configure: Regenerate.
4519 * config.in: Regenerate.
4521 * config/i386/i386.c (output_387_ffreep): New function.
4522 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4523 (output_387_reg_move): Likewise.
4525 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4527 Port to hosts whose 'sort' and 'tail' implementations
4528 treat operands with leading '+' as file names, as POSIX
4529 has required since 2001. However, make sure the code still
4530 works on pre-POSIX hosts.
4531 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4532 which says you should use "tail -c +N" rather than "tail +Nc".
4533 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4535 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4537 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4540 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4543 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4544 PRE_{INC,DEC} of TFmode.
4546 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4547 Alan Modra <amodra@bigpond.net.au>
4550 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4553 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4556 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4557 Remove duplicate gtu.
4559 2006-07-05 Jason Merrill <jason@redhat.com>
4563 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4564 * c-common.c (handle_packed_attribute): So don't copy it here.
4565 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4567 2006-07-05 Mike Stump <mrs@apple.com>
4569 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4571 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4574 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4576 2006-07-05 Richard Guenther <rguenther@suse.de>
4579 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4580 TARGET_SSE2 targets if using SSE math.
4581 (*absdf2_1): Likewise.
4583 2006-07-05 Richard Guenther <rguenther@suse.de>
4585 PR tree-optimization/28162
4586 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4587 make sure to convert the operands to the correct type.
4589 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4591 PR tree-optimization/28218
4593 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4594 to calculate and free the dominator information.
4596 2006-07-04 Peter O'Gorman <peter@pogma.com>
4598 * mklibgcc.in: chmod 644 before ranlib during install.
4600 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4601 J"orn Rennecke <joern.rennecke@st.com>
4603 * configure.ac (.eh_frame data check): Use diff -b.
4605 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4608 * Makefile.in (BUILD_RTL): Add build/vec.o.
4609 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4610 (build/genextract): Delete.
4611 (build/genautomata): Likewise.
4613 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4616 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4617 128-bit IBM long doubles for ABI_V4.
4619 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4621 * tree.c (range_in_array_bounds_p): New predicate.
4622 * tree.h (range_in_array_bounds_p): Declare it.
4623 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4624 return a less conservative answer.
4625 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4626 and flag 'is_group'.
4627 (IS_ELEMENT_FOR_GROUP): New macro.
4628 (FOR_EACH_ACTUAL_CHILD): Likewise.
4629 (next_child_for_group): New helper function.
4630 (can_completely_scalarize_p): Take into account groups.
4631 (sra_hash_tree): Handle RANGE_EXPR.
4632 (sra_elt_eq): Likewise.
4633 (lookup_element): Be prepared for handling groups.
4634 (is_valid_const_index): Delete.
4635 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4636 instead of is_valid_const_index.
4637 <ARRAY_RANGE_REF>: New case.
4638 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4639 is_valid_const_index.
4640 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4641 (scan_dump): Dump info for groups too.
4642 (decide_instantiation_1): Likewise.
4643 (decide_block_copy): Assert that the element is not a group.
4644 Propagate decision to groups.
4645 (generate_one_element_ref): Handle RANGE_EXPR.
4646 (mark_no_warning): Iterate over actual childs.
4647 (generate_copy_inout): Likewise.
4648 (generate_element_copy): Likewise.
4649 (generate_element_zero): Likewise.
4650 (generate_element_init_1): Likewise.
4651 (dump_sra_elt_name): Handle RANGE_EXPR.
4653 2006-07-03 Roger Sayle <roger@eyesopen.com>
4655 PR tree-optimization/26251
4656 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4657 (thread_block): When optimizing for size refuse to thread jumps
4658 that would require duplication of blocks other than redirection
4661 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4663 * configure.ac: Fix thinko in previous check-in.
4664 * configure: Regenerate.
4666 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4669 * configure.ac (for lang...): Simplify nesting of conditionals.
4670 Test subdir_requires for non-enabled languages. Move processing
4671 of lang_opt_files and lang_tree_fiels below that test.
4672 * configure: Regenerate.
4673 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4675 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4677 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4679 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4681 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4684 2006-06-29 Jason Merrill <jason@redhat.com>
4691 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4692 * c-common.c (c_determine_visibility): Handle it here.
4693 * c-decl.c (finish_decl): Call c_determine_visibility for
4695 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4697 * varasm.c (default_assemble_visibility): Likewise.
4698 * c-common.c (handle_visibility_attribute): Complain about trying
4699 to give visibility to an already defined class, or trying to change
4700 declared visibility. Always attach the attribute.
4705 * attribs.c (decl_attributes): Ignore type-in-place attributes
4706 once the type has been defined.
4708 2006-06-29 Roger Sayle <roger@eyesopen.com>
4711 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4712 to indicate the cpplib has issued an error message for us.
4714 2006-06-29 Asher Langton <langton2@llnl.gov>
4717 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4718 insert a label at the end of an function under Mach-O.
4720 2006-06-29 Eric Christopher <echristo@apple.com>
4721 Evan Cheng <evan.cheng@apple.com>
4723 * predicates.md (vector_all_ones_operand): New.
4724 (nonimmediate_or_sse_const_operand): Ditto.
4725 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4726 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4727 (standard_sse_mode_p): Ditto.
4728 (standard_sse_constant_p): Add case for -1 vector.
4729 (ix86_expand_vector_move): Try to use.
4730 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4731 Call standard_sse_constant_opcode.
4732 (*movv4sf_internal): Ditto.
4733 (*movv2df_internal): Ditto.
4735 2006-06-29 Roger Sayle <roger@eyesopen.com>
4737 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4738 of XEXP to extract the operands of a MATCH_CODE rtx.
4740 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4742 * tree.c (tree_size): Do not waste tail padding in
4743 struct tree_string and make the size be the same as
4744 build_string will generate.
4746 2006-06-28 Jason Merrill <jason@redhat.com>
4749 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4750 may_aliases already in the tag's annotations to the bitmap.
4752 2006-06-28 Roger Sayle <roger@eyesopen.com>
4754 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4756 2006-06-28 Roger Sayle <roger@eyesopen.com>
4758 * genpreds.c (generate_switch_p): New function.
4759 (add_mode_tests): Push the new mode test down inside an AND expr
4760 if this allows the switch-suitable MATCH_CODE to be near the root.
4761 (write_match_code_switch): New function to write a MATCH_CODE as
4763 (write_predicate_stmts): New function to write a predicate RTX
4764 expression as a sequence of statements.
4765 (write_one_predicate_function): Use write_predicate_stmts.
4766 (write_tm_constrs_h): Likewise.
4768 2006-06-26 Fred Fish <fnf@specifix.com>
4770 * config/mips/t-sb1: New file.
4771 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4774 2006-06-26 DJ Delorie <dj@redhat.com>
4776 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4778 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4779 Jayant Sonar <jayants@kpitcummins.com>
4780 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4782 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4783 (subsi3, subsi3_1, subsi3_2): New.
4784 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4785 * config/m32c/mov.md (SI mov peephole): New.
4786 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4787 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4789 2006-06-26 Olivier Hainque <hainque@adacore.com>
4791 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4792 a CALL_EXPR target function declaration.
4794 2006-06-26 Richard Guenther <rguenther@suse.de>
4796 * tree.c (build_string): Do not waste tail padding in
4799 2006-06-26 Richard Guenther <rguenther@suse.de>
4801 * ggc-page.c (init_ggc): Add missing element to size_lookup
4805 2006-06-23 Richard Guenther <rguenther@suse.de>
4807 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4808 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4809 alignment requests instead. Add verification code.
4810 Add struct tree_function_decl and struct tree_binfo size to
4811 extra_order_size_table. Add missing element to size_lookup
4814 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4817 * fold-const.c (const_binop): Be prepared for self returning zero.
4818 Simplify code handling complex values.
4820 2006-06-24 Olivier Hainque <hainque@adacore.com>
4822 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4823 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4826 2006-06-24 Olivier Hainque <hainque@adacore.com>
4828 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4829 ARRAY_REF, so have the callback called for the low bound expression.
4831 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4833 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4834 * c-typeck.c (c_common_type): Disallow operations on decimal float
4835 types and other float types.
4836 * convert.c (convert_to_real): Don't ignore conversions involving
4837 decimal float types.
4839 2006-06-23 Olivier Hainque <hainque@adacore.com>
4841 * tree.c (max_int_size_in_bytes): New function, inspired from
4842 code in function.c:assign_temp.
4843 * tree.h (max_int_size_in_bytes): Declare.
4844 * function.c (assign_temp): Use it.
4845 * gimplify.c (create_tmp_var): Relax the assertions on the type
4846 properties, not mandating constant size any more.
4847 (force_constant_size): New static function.
4848 (gimple_add_tmp_var): Use it, forcing variable size to a
4849 constant upper bound if it is not constant on entry.
4851 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4854 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4855 for initialization and setting of one_only flag to ...
4856 (i386_pe_encode_section_info): ...here.
4857 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4858 Recheck that the symbol has not been defined.
4860 2006-06-23 Richard Guenther <rguenther@suse.de>
4862 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4863 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4864 alignment requests instead. Add verification code.
4865 Add struct tree_function_decl and struct tree_binfo size to
4866 extra_order_size_table. Add missing element to size_lookup
4869 2006-06-22 Roger Sayle <roger@eyesopen.com>
4870 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4873 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4874 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4876 2006-06-23 Ben Elliston <bje@au.ibm.com>
4878 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4879 negate dn -- manipulate it directly.
4881 2006-06-22 Roger Sayle <roger@eyesopen.com>
4882 Steven Bosscher <stevenb.gcc@gmail.com>
4885 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4886 generated by gen_move_insn to add REG_LABEL notes if necessary.
4888 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4890 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4891 (leaf_entry): Remove use of MIN_ESA.
4893 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4895 PR rtl-optimization/28121
4896 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4899 2006-06-21 DJ Delorie <dj@redhat.com>
4901 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4903 (mulhisi3_r): Likewise.
4905 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4908 * coverage.c (coverage_counter_alloc): Leave the index type
4910 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4913 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4915 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4916 section from the "Options for Code Generation Conventions".
4918 2006-06-21 Richard Henderson <rth@redhat.com>
4922 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4924 (global_symbolic_operand): Allow weak symbols, even if local_p.
4926 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4928 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4929 (find_interesting_uses_address): Punt if above function returns true.
4931 2006-06-21 Richard Guenther <rguenther@suse.de>
4933 * configure: Regenerated.
4935 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4937 * config/mips/mips.c (function_arg): Where one part of a
4938 complex argument is in registers and the other part in the stack,
4939 return a REG not a PARALLEL.
4941 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4943 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4944 when cross-compiling. Do not substitute libstdcxx_incdir.
4945 * configure: Regenerated.
4947 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4949 * varasm.c (mergeable_string_section): Check for embedded NULs and
4950 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4951 rather than TREE_STRING_LENGTH bytes.
4953 2006-06-21 Richard Guenther <rguenther@suse.de>
4955 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4956 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4959 2006-06-21 Richrad Guenther <rguenther@suse.de>
4961 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4962 Limit iteration over the dominators.
4964 2006-06-20 Roger Sayle <roger@eyesopen.com>
4966 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4967 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4969 2006-06-20 Richard Guenther <rguenther@suse.de>
4970 Michael Matz <matz@suse.de>
4972 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4974 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4975 * et-forest.h (et_free_pools): Prototype new function.
4976 * et-forest.c (et_free_tree_force): Free parent occurrence.
4977 (et_free_pools): New function.
4978 * dominance.c (free_dominance_info): Free et-forest alloc
4981 2006-06-20 Roger Sayle <roger@eyesopen.com>
4983 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4984 integer modes, attempt to directly construct an integer constant.
4986 * fold-const.c (native_encode_vector): Determine the size of each
4987 element from the vector type instead of the first vector element.
4989 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4990 if all of its elements/components are constant.
4991 (build_constructor_from_list): Likewise.
4993 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4995 PR tree-optimization/27331
4996 * tree-data-ref.c (free_data_ref): New function.
4997 (create_data_ref): Fail if the data reference has unknown access
4999 (free_data_refs): Use free_data_ref.
5001 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5004 * tree-inline.c (setup_one_parameter): Strip useless
5005 type conversion before adding it to the IR.
5006 (declare_return_variable): Likewise.
5008 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5011 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5013 2006-06-19 Mike Stump <mrs@apple.com>
5015 * tree.c (variably_modified_type_p): VM arguments don't make the
5018 2006-06-19 Richard Guenther <rguenther@suse.de>
5020 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5021 type conversions after folding.
5023 2006-06-19 Richard Guenther <rguenther@suse.de>
5025 * ggc-page.c (extra_order_size_tab): Add entries with
5026 size of struct function and basic_block.
5027 (size_lookup): Extend to cover sizes up to 511.
5028 (ggc_alloc_stat): Adjust user.
5029 (ggc_pch_count_object): Likewise.
5030 (ggc_pch_alloc_object): Likewise.
5031 (ggc_pch_write_object): Likewise.
5033 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5035 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5036 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5039 2006-06-19 Denis Chertykov <denisc@overta.ru>
5041 * config/avr/libgcc.S : Correct my wrong previous commit.
5043 2006-06-19 Roger Sayle <roger@eyesopen.com>
5046 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5047 have stripped a SUBREG from the shift count, so we may need to
5048 convert_to_mode back to the type's mode before calling make_tree.
5049 Use new_amount instead of amount to avoid expanding a tree twice.
5051 2006-06-19 Richard Guenther <rguenther@suse.de>
5054 * fold-const.c (operand_equal_p): Check if the argument types
5055 have the same precision before stripping NOPs.
5057 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5059 Fix PR tree-optimization/27341
5060 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5062 * tree-complex.c (pass_lower_complex): Update SMT usage.
5064 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5066 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5067 Add a new alternative to the constraint strings. Add move of
5068 operand 1 to 3 to the splitter definition.
5069 ("doloop_si_long"): Second contraint alternative removed.
5071 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5073 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5074 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5076 (AVR_HAVE_MOVW) Define.
5077 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5078 (ASM_SPEC): Add avr25.
5079 (LINK_SPEC): Add avr25.
5080 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5081 (base_arch_s): Add new member 'have_movw_lpmx'.
5082 (avr_arch_types): Init 'have_movw_lpmx'.
5083 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5084 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5085 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5086 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5087 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5089 (avr_file_start): Do not output '.arh' derective.
5090 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5091 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5092 * config/avr/avr.md (mcu_enhanced): Delete.
5093 (mcu_have_movw): Define.
5094 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5095 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5096 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5097 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5098 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5099 attiny861 and at86rf401 devices.
5101 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5103 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5106 2006-06-17 Karl Berry <karl@gnu.org>
5108 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5109 doc/gccint.texi, doc/install.texi (@dircategory): Use
5110 "Software development" instead of "Programming", following
5111 the Free Software Directory.
5113 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5115 * config/i386/i386.c (legitimate_tls_address)
5116 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5117 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5118 (*tls_dynamic_gnu2_combine_64): Likewise.
5120 2006-06-16 Richard Guenther <rguenther@suse.de>
5123 * fold-const.c (negate_expr_p): Do not introduce undefined
5124 overflow in negating INTEGER_CSTs.
5125 (fold_negate_expr): Rename from negate_expr. Revert last
5126 change for folding BIT_NOT_EXPR. Change semantics to
5127 return NULL_TREE for non-simplified negations. Do not
5128 strip type conversions and unify type handling.
5129 (negate_expr): New function, wrap around fold_negate_expr
5130 but ensure building a tree always. Strip type conversions
5131 here, fold to result type.
5132 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5134 2006-06-16 Roger Sayle <roger@eyesopen.com>
5137 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5138 that (would) return their results in stack registers.
5140 2006-06-16 Michael Matz <matz@suse.de>
5141 Richard Guenther <rguenther@suse.de>
5143 * fold-const.c (fold_truthop): Only return new tree node if
5144 we canonicalized something.
5146 2006-06-16 Richard Guenther <rguenther@suse.de>
5148 * function.h (enum function_frequency): Move declaration
5149 out of struct function.
5150 (struct function): Move bool fields and the enum to the bitfield
5151 section. Reorder elements to avoid padding. Remove unused
5152 fields left over from the RTL inliner removal.
5153 * function.c (free_after_compilation): Do not zero removed fields.
5154 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5155 (ipa-type-escape.o): Likewise.
5157 2006-06-16 Richard Guenther <rguenther@suse.de>
5159 * cgraph.h (struct cgraph_local_info): Turn bool elements
5161 (struct cgraph_node): Likewise.
5162 (struct cgraph_varpool_node): Likewise.
5164 2006-06-15 Richard Guenther <rguenther@suse.de>
5166 * fold-const.c (fold_truth_not_expr): Rename from
5167 invert_truthvalue. Give it fold_* semantics to avoid
5169 (invert_truthvalue): New function. Wrapper around
5170 fold_truth_not_expr.
5171 (optimize_minmax_comparison): Avoid creating garbage.
5172 (fold_unary): Use fold_truth_not_expr for folding
5174 (fold_ternary): Replace uses of invert_truthvalue with
5175 fold_truth_not_expr where applicable.
5176 * tree.h (fold_truth_not_expr): Prototype.
5178 2006-06-16 Richard Guenther <rguenther@suse.de>
5180 PR tree-optimization/27781
5181 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5182 * ipa-pure-const.c (target.h): Include.
5183 (analyze_function): Do not analyze functions that do not
5186 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5189 * tree-dfa.c (referenced_vars_dup_list): Remove.
5190 (find_referenced_vars): Remove assert.
5191 (referenced_var_check_and_insert): Replace dup list with assert.
5192 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5193 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5195 2006-06-15 Richard Guenther <rguenther@suse.de>
5197 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5198 extra unused identifiers if not dumping.
5199 (create_variable_info_for): Likewise.
5201 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5203 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5204 (derive_constant_upper_bound): Derive more precise upper bound in
5205 common cases. Return type changed to double_int.
5206 (record_estimate): Reflect the changed return type of
5207 derive_constant_upper_bound.
5208 * double-int.c (double_int_zext, double_int_sext): Fix.
5210 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5212 * configure.ac (CFLAGS): Get them from the toplevel or from the
5213 configure invocation.
5214 * configure: Regenerate.
5215 * Makefile.in (CFLAGS): Substitute value provided by configure.
5217 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5220 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5221 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5222 rather than calling add_stmt on it.
5223 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5225 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5228 * reload1.c (reload): Remove registers returned by update_eliminables
5229 from used_spill_regs.
5231 2006-06-13 DJ Delorie <dj@redhat.com>
5233 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5235 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5237 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5238 html__strip_dir, html__mkdir_p. Enhance install-html target.
5239 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5240 * configure: Regenerate.
5242 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5244 * fold-const.c (fold_cond_expr_with_comparison): Check for
5245 Objective-C++ as language in deciding COND_EXPR transformation.
5247 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5250 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5251 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5252 * config/sh/lib1funcs.h (SL, SL1): Define.
5253 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5254 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5255 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5256 (OBJS_Os_4_200): New variable.
5257 ($(T)libgcc-Os-4-200.a): Use it.
5258 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5259 when dividing 1 and/or by 0.
5261 2006-06-13 Roger Sayle <roger@eyesopen.com>
5263 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5264 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5265 * configure: Regenerate.
5267 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5269 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5270 for real instruction.
5272 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5275 * haifa-sched.c (check_cfg): Handle special case.
5277 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5280 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5281 Add debug_info parameter. Chain the vars to the BLOCK instead
5282 of the BIND_EXPR if debug info are requested for them.
5283 (pop_gimplify_context): Adjust for above change.
5284 (gimple_add_tmp_var): Likewise.
5285 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5287 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5288 (convert_local_reference): Likewise.
5289 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5290 (finalize_nesting_tree_1): Request that debug info be emitted
5291 for debug_var_chain.
5293 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5295 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5296 for PR target/27863.
5298 2006-06-13 Richard Guenther <rguenther@suse.de>
5301 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5303 2006-06-13 Richard Guenther <rguenther@suse.de>
5305 PR tree-optimization/27830
5306 * tree-inline.c (copy_body_r): For copying the operand
5307 of an ADDR_EXPR make sure to fold &* afterwards.
5309 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5311 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5312 lvalues in the fb_none case with side-effects.
5314 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5316 * tree-flow.h: Remove the prototype for
5317 compute_phi_arg_on_exit.
5318 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5319 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5322 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5324 * builtins.c (expand_builtin_return_addr): Only use
5325 frame_pointer_rtx when count == 0 and we are expanding
5326 __builtin_return_address.
5328 2006-06-12 Fred Fish <fnf@specifix.com>
5330 * config/mips/mips.c (mips_file_start): Create special section
5331 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5333 2006-06-11 Eric Christopher <echristo@apple.com>
5336 * stor-layout.c (place_field): Remove check for
5337 remaining_in_alignment when aligning at the end of a run.
5339 2006-06-11 Eric Christopher <echristo@apple.com>
5342 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5345 2006-06-11 Roger Sayle <roger@eyesopen.com>
5348 Revert incorrect fix for PR target/27158
5349 2006-05-08 Roger Sayle <roger@eyesopen.com>
5350 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5351 of a reg_equiv_constant if the result is a legitimate constant.
5353 2006-06-11 Roger Sayle <roger@eyesopen.com>
5356 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5357 extract a CONST_VECTOR element and interpret it as an integer.
5358 (vspltis_constant): Use const_vector_elt_as_int instead of the
5359 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5360 * config/rs6000/predicates.md (easy_vector_const): Consider
5361 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5363 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5366 * stor-layout.c (update_alignment_for_field): Don't add extra
5367 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5370 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5372 * config/mips/t-rtems: Add EL/EB multilib variants.
5374 2006-06-09 Mike Stump <mrs@apple.com>
5376 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5378 2006-06-09 David Daney <ddaney@avtrex.com>
5380 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5382 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5384 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5386 2006-06-09 Richard Guenther <rguenther@suse.de>
5388 PR tree-optimization/26998
5389 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5390 of signed types, only TYPE_MIN_VALUE is special, but for both,
5391 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5392 in this case, as is -fwrapv.
5394 2006-06-08 Mike Stump <mrs@apple.com>
5397 * config/darwin.c (darwin_asm_output_anchor): Disable
5398 -fsection-anchors on darwin for now.
5399 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5400 * rs6000/rs6000.c (optimization_options): Likewise.
5402 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5405 * config/i386/i386.c (classify_argument): Skip fields with invalid
5408 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5410 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5411 (cse_insn): Likewise for the stack_pointer_rtx.
5413 2006-06-08 Roger Sayle <roger@eyesopen.com>
5415 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5416 conditions from floating point comparisons.
5418 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5421 * expmed.c (struct alg_hash_entry): Fix type of field T
5422 to match synth_mult argument.
5423 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5425 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5428 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5431 2006-06-08 Richard Guenther <rguenther@suse.de>
5434 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5435 only, if overflow is defined and not trapping.
5436 (negate_expr): Likewise.
5438 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5440 PR tree-optimization/27872
5441 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5442 flag on the new exit edge of the unrolled loop.
5444 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5446 PR rtl-optimization/26449
5447 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5449 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5452 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5453 referenced_variables with matching DECL_UID's.
5454 (find_referenced_vars): Make sure duplicate list is empty to start.
5455 (referenced_var_p): Remove.
5456 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5457 Check if var is in the list, and add if needed. Update the duplicate
5458 list if a different var is in the list with the same DECL_UID.
5459 (add_referenced_var): Call routine to check and insert.
5460 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5461 * tree-flow.h (referenced_vars_dup_list): External declaration.
5463 2006-06-07 Fred Fish <fnf@specifix.com>
5465 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5468 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5471 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5472 the imaginary and real parts of a clobbered register.
5473 Emit insn to set the imaginary part.
5475 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5477 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5478 in lieu of unwind-dw2-fde.c.
5480 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5482 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5484 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5487 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5488 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5489 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5490 V4SImode temporaries and operations instead.
5492 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5494 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5497 2006-06-06 Mike Stump <mrs@apple.com>
5499 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5500 installing during build.
5502 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5504 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5506 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5507 * config/ia64/ia64.c (params.h): New header.
5508 (ia64_optimization_options): New function to adjust parameters.
5509 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5510 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5511 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5513 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5515 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5517 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5520 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5522 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5523 Victor Kaplansky <victork@il.ibm.com>
5525 PR tree-optimization/26360
5526 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5529 2006-06-04 Roger Sayle <roger@eyesopen.com>
5530 Andrew Pinski <pinskia@physics.uc.edu>
5533 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5534 for LABEL_DECL before calling DECL_WEAK.
5537 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5538 LABEL_DECL and PARM_DECL.
5540 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5544 * c-decl.c (grokdeclarator): Disallow variably modified types at
5545 file scope. Avoid marking shared array type of constant size as
5548 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5551 * c-common.c (fold_offsetof_1): Handle static members.
5553 2006-06-04 Eric Christopher <echristo@apple.com>
5555 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5556 (debug_rli): Output value for remaining_in_alignment.
5557 (update_alignment_for_field): Unconditionalize
5558 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5559 extra alignment code.
5560 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5561 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5562 * tree.h (record_layout_info_s): Remove prev_packed.
5563 * doc/extend.texi (ms_struct): Add documentation of format.
5565 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5567 * tree.h: Declare folding_initializer.
5568 * builtins.c (fold_builtin_constant_p): Give definite answer
5569 if folding inside an initializer.
5570 * fold-const.c: Define folding_initializer.
5571 (START_FOLD_INIT): Save and then set folding_initializer.
5572 (END_FOLD_INIT): Restore folding_initializer.
5574 2006-06-04 Richard Guenther <rguenther@suse.de>
5576 PR tree-optimization/27039
5577 * fold-const.c (fold_comparison): Handle pointer comparison
5578 again for all comparison codes. Compare offsets in signed
5580 (fold_binary): Move code from here.
5582 2006-06-03 Roger Sayle <roger@eyesopen.com>
5585 * config/i386/i386.c (construct_container): Split static issued_error
5586 flag into issued_sse_arg_error, issued_sse_ret_error and
5587 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5588 requires the use of x87 registers and the user explicitly
5589 specified the -mno-80387 command line option.
5591 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5593 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5594 HAVE_DECL_SIGALTSTACK.
5596 (segv_handler): Use MC_FLD.
5597 * configure.ac: Check for a sigaltstack declaration.
5598 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5599 * configure: Regenerate.
5600 * config.in: Regenerate.
5602 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5605 * Makefile.in (stmp-fixinc): Fix typo.
5607 2006-06-02 Roger Sayle <roger@eyesopen.com>
5609 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5610 are type correct. Clean-up.
5611 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5612 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5614 2006-06-01 DJ Delorie <dj@redhat.com>
5616 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5617 shift, as we've disabled the "switch" insn that needs it.
5619 2006-06-01 Per Bothner <bothner@bothner.com>
5621 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5622 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5623 * c-ppoutput.c (cb_define): Don't increment line 0.
5625 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5627 * doc/invoke.texi: Add cpu_type power6.
5628 * config.gcc: Add cpu_type power6.
5629 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5630 to power5+ with Altivec.
5631 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5632 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5634 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5636 * config/avr/avr.h (SET_ASM_OP): Define.
5638 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5640 * config/bfin/bfin.c: Fix comment typos.
5642 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5645 * doc/install.texi: Document --enable-bootstrap and
5646 --disable-bootstrap.
5648 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5650 * doc/install.texi: Document that InfoZIP can replace jar.
5652 2006-05-31 Roger Sayle <roger@eyesopen.com>
5654 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5655 isn't available, directly generate the simpler x87 patterns without
5656 the (use (const_int 0)).
5657 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5658 implementation isn't available.
5659 (*negdf2_1): Likewise.
5660 (*negxf2_1): XF mode negation is always done using the x87.
5661 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5663 2006-05-31 Roger Sayle <roger@eyesopen.com>
5665 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5666 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5668 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5670 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5672 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5673 * config/bfin/bfin.c (basic-block.h): Include.
5674 (struct machine_function): New.
5675 (bfin_init_machine_status): New.
5676 (override_options): Initialize init_machine_status.
5677 (bfin_hardware_loop): New.
5678 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5679 (DEF_VEC_P (loop_info)): New.
5680 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5681 (struct loop_info): New.
5682 (loop_info): New typedef.
5683 (struct loop_work): New.
5684 (loop_work): New typedef.
5685 (DEF_VEC_O (loop_work)): New.
5686 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5687 (bfin_dump_loops): New.
5688 (bfin_bb_in_loop): New.
5689 (bfin_scan_loop): New.
5690 (bfin_optimize_loop): New.
5691 (bfin_reorg_loops): New.
5692 (bfin_reorg): Use bfin_reorg_loops.
5693 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5695 (I_REGNO_P): Simplify.
5696 (DP_REGNO_P, DPREG_P): New macros.
5697 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5698 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5699 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5700 Add LT_REGS, LC_REGS, LB_REGS.
5701 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5703 (REGNO_REG_CLASS): Deal with loop registers.
5704 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5706 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5707 New constants for loop registers.
5708 (UNSPEC_LSETUP_END): New.
5709 (seq_insns): New define_attr. Set it for appropriate insns.
5710 (movsi_insn): Add alternatives for move from/to
5711 loop count registers.
5712 (doloop_end): New define_expand.
5713 (loop_end): New define_insn.
5714 (define_split for bad doloop_end): New.
5715 (lsetup_with_autoinit): New define_insn.
5716 (lsetup_without_autoinit): New define_insn.
5717 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5718 * config/bfin/predicates.md (lc_register_operand): New.
5719 (lt_register_operand): New.
5720 (lb_register_operand): New.
5721 (nondp_register_operand): New.
5722 (nondp_reg_or_memory_operand): New.
5723 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5725 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5727 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5728 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5730 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5732 * Makefile.in (CATALOGS): Add po/ prefix.
5733 * configure: Regenerated.
5735 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5738 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5739 a shift operand before calling shift_op. Avoid redundant call of
5742 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5743 DJ Delorie <dj@redhat.com>
5745 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5746 we're inserting is a singlt-bit constant.
5748 2006-05-30 Roger Sayle <roger@eyesopen.com>
5750 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5751 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5753 2006-05-30 Roger Sayle <roger@eyesopen.com>
5755 PR tree-optimization/23452
5756 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5757 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5758 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5759 complex values and with -ffast-math for FP complex values.
5761 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5763 * c-common.h: Remove the prototype for yyparse.
5764 * rtl.h: Remove the prototype for init_loop.
5766 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5768 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5771 2006-05-30 Roger Sayle <roger@eyesopen.com>
5773 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5775 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5776 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5778 2006-05-30 Dirk Mueller <dmueller@suse.de>
5781 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5782 for CONSTANT_CLASS_P expresisons.
5784 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5787 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5789 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5791 PR tree-optimization/27779
5792 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5793 initial_condition instead of CHREC_LEFT.
5795 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5797 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5798 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5799 Make prototypes ISO C90.
5801 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5802 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5804 * see.c (see_analyze_one_def): Correct check.
5805 (see_get_extension_data): Check if extension is parallel.
5806 (see_get_extension_reg): Likewise.
5808 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5811 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5812 into register for (code == GTU).
5814 2006-05-29 Roger Sayle <roger@eyesopen.com>
5816 PR tree-optimization/24964
5817 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5818 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5819 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5820 abs(x)*abs(x) as x*x for scalar floating point modes.
5822 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5825 * lambda-code.c (perfect_nestify): Don't copy statements
5826 in the inner loop: move them to the inner loop header.
5828 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5831 * c-tree.texi: Document OpenMP directives and clauses.
5833 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5835 * varasm.c (globalize_decl): Fix indentation.
5837 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5840 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5841 pass_fre, pass_store_ccp, pass_copy_prop,
5842 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5843 pass_return_slot, pass_object_size, pass_lim,
5844 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5845 pass_loop_prefetch and pass_stdarg.
5847 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5849 * config/bfin/bfin.opt (mfdpic): New option.
5850 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5851 (EXTRA_MULTILIB_PARTS): Likewise.
5852 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5853 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5855 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5856 (CRT_CALL_STATIC_FUNCTION): New.
5857 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5859 (CRT_CALL_STATIC_FUNCTION): New.
5860 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5862 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5863 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5864 (initialize_trampoline): Changed to handle FD-PIC code generation.
5865 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5866 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5867 (override_options): Disallow -mid-shared-library -mfdpic combination.
5868 Can't do unaligned ops if FD-PIC.
5869 Turn off flag_pic if trying to generate non-id-shared-library
5870 non-fdpic code, since it's not supported.
5871 (bfin_assemble_integer): New function.
5872 (TARGET_ASM_INTEGER): Define.
5873 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5875 * config/bfin/crtn.s: Restore them.
5876 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5878 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5879 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5880 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5881 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5882 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5884 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5885 FDPIC_REGS and FDPIC_FPTR_REGS.
5886 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5887 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5888 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5889 (load_funcdescsi): New pattern.
5890 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5891 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5892 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5894 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5896 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5899 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5901 * tree-flow.h: Remove the prototype for add_type_alias.
5902 * tree-ssa-alias.c (add_type_alias): Remove.
5904 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5906 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5907 config/fr30/fr30.md, config/i386/i386-interix.h,
5908 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5909 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5910 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5911 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5912 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5913 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5914 Follow spelling conventions.
5915 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5916 Follow spelling conventions.
5918 2006-05-27 Richard Guenther <rguenther@suse.de>
5921 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5922 to produce a constant of value 1 of generic type.
5924 2006-05-27 Dirk Mueller <dmueller@suse.de>
5926 * cgraphunit.c (decide_is_function_needed): Fix wrong
5929 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5931 PR rtl-optimization/27661
5932 * reload.c (find_reloads): When reloading a VOIDmode constant
5933 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5934 use Pmode as mode of the reload register.
5936 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5938 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5939 is enabled at -O and above.
5941 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5944 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5947 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5950 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5951 for anonymous variables explicitly declared by front ends.
5953 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5955 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5956 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5957 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5958 ref-all pointers, run a finalization pass for them.
5959 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5960 (finalize_ref_all_pointers): New function.
5961 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5962 regular pointer type to a ref-all pointer type.
5963 (get_tmt_for): Return the special memory tag for ref-all pointers.
5965 2006-05-25 Richard Guenther <rguenther@suse.de>
5968 * fold-const.c (fold_binary): Do not look at the stripped
5969 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5971 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5973 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5974 for LT and GT if the computed range is effectively empty.
5976 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5979 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5980 mips_quad_format formats instead of ieee_single_format,
5981 ieee_double_format and ieee_quad_format formats, respectively.
5983 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5985 PR tree-optimization/27639
5986 PR tree-optimization/26719
5987 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5988 call to scev_probably_wraps_p.
5989 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5990 used_in_pointer_arithmetic_p, convert_step): Removed.
5991 (nowrap_type_p): New function.
5992 (scev_probably_wraps_p): Rewritten.
5993 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5994 chrec_convert if chrec_convert_aggressive might have been used.
5995 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5996 scev_direction): New functions.
5997 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5998 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5999 instead of convert_step.
6000 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6001 (convert_step): Declaration removed.
6002 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6004 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6006 * df-core.c: Added to header comments.
6007 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6008 df_ur_bb_info, df_urec_bb_info): Added comments.
6009 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6010 urec, ri problems): Fixed header comments.
6011 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6012 code from df_rd_transfer_function.
6014 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6016 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6017 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6018 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6020 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6022 * expr.c (undefined_operand_subword_p): New.
6023 (emit_move_multi_word): Do not generate move from undefined bits
6024 of a paradoxical subreg.
6026 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6028 PR rtl-optimization/27736
6029 * combine.c (replaced_rhs_value): New variable.
6030 (combine_instructions): Set it.
6031 (distribute_notes): When distributing a note in replaced_rhs_insn,
6032 check whether the value was used in replaced_rhs_value.
6034 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6037 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6038 add_referenced_var instead of add_referenced_tmp_var.
6039 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6040 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6042 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6043 tree_optimize_tail_calls_1): Use add_referenced_var.
6044 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6045 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6046 Use add_referenced_var.
6047 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6048 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6049 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6050 Use add_referenced_var.
6051 * tree-dfa.c (struct walk_state): Remove.
6052 (find_referenced_vars): Remove walk state and vars_found hash table.
6053 (make_rename_temp): Use add_referenced_var.
6054 (find_vars_r): Pass less parameters to add_referenced_var.
6055 (referenced_var_p): New. Is var in referenced_var hash table.
6056 (referenced_var_insert): Assert var isn't already in hash table.
6057 (add_referenced_var): Don't need walk_state parameter. Add var if it
6058 isn't already in the hash table.
6059 (add_referenced_tmp_var): Remove.
6060 (find_new_referenced_vars_1): Use add_referenced_var.
6061 * tree-ssa-pre.c (create_expression_by_pieces,
6062 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6063 Use add_referenced_var.
6064 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6065 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6066 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6068 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6069 vect_create_data_ref_ptr, vect_create_destination_var,
6070 vect_init_vector, vect_build_loop_niters,
6071 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6072 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6073 Use add_referenced_var.
6074 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6075 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6076 (add_referenced_var): Add prototype.
6077 * tree-ssa-structalias.c (get_constraint_for,
6078 intra_create_variable_infos): Use add_referenced_var.
6080 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6082 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6083 big-endian paradoxical subregs.
6084 * var-tracking.c (struct micro_operation_def): Document that,
6085 for modify micro operations, insn is the subsequent instruction.
6086 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6087 (var_reg_set, var_mem_set): ... new functions.
6088 (add_stores): Record subsequent insn.
6089 (compute_bb_dataflow): Use new functions for MO_USE.
6090 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6091 notes after the insn, and modify notes before the insn known
6092 to be the subsequent one.
6093 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6095 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6098 * config/i386/i386.c (ix86_expand_builtin): Use
6099 gen_sse3_monitor64 for TARGET_64BIT.
6101 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6103 PR rtl-optimization/26375
6104 PR rtl-optimization/26855
6105 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6107 (df_ru_bb_local_compute): Reversed statements and removed bogus
6108 comment explaining why they should be in wrong order.
6109 (df_ru_dump, df_rd_dump): Enhanced debug info.
6110 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6112 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6113 reaching uses and fixed space problem.
6115 2006-05-23 Jan Hubicka <jh@suse.cz>
6117 * cgraphunit.c (decide_is_function_needed): Also nested functions
6118 and functions declared inline can be optimized out at -O0.
6120 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6122 * doc/install.texi (Configuration): Remove reference to CrossGCC
6126 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6129 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6130 ix86_compare_emitted is non-NULL.
6132 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6135 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6138 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6140 PR rtl-optimization/25514
6141 * combine.c (replaced_rhs_insn): New variable.
6142 (combine_instructions): Set replaced_rhs_insn when trying to replace
6143 a SET_SRC with a REG_EQUAL note.
6144 (distribute_notes): Use replaced_rhs_insn when determining the live
6145 range of a REG_DEAD register.
6147 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6148 Anatoly Sokolov <aesok@post.ru>
6150 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6151 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6152 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6153 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6154 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6155 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6156 at90usb647, at90usb1286 and at90usb1287 devices.
6157 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6158 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6160 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6162 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6164 2006-05-22 Richard Guenther <rguenther@suse.de>
6167 2006-01-31 Richard Guenther <rguenther@suse.de>
6168 Paolo Bonzini <bonzini@gnu.org>
6170 * doc/install.texi (--disable-libgcc-math): Document.
6172 2006-05-22 Richard Guenther <rguenther@suse.de>
6175 2006-01-31 Richard Guenther <rguenther@suse.de>
6177 * doc/invoke.texi (-msselibm): Document.
6178 * target.h (expand_library_builtin): New target hook.
6179 * builtins.c (expand_builtin): Use expand_library_builtin.
6180 (default_expand_library_builtin): New function.
6181 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6182 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6183 (link_gcc_math_spec): Declare.
6184 (static_specs): Add link_gcc_math_spec.
6185 * expr.h (default_expand_library_builtin): Declare.
6186 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6187 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6188 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6189 * config/i386/i386.opt (msselibm): New target option.
6190 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6191 (ix86_init_sse_abi_builtins): New function.
6192 (ix86_expand_library_builtin): Likewise.
6193 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6194 (override_options): Handle error conditions wrt -msselibm.
6195 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6196 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6197 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6200 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6203 * c-common.c (self_promoting_args_p): Skip erroneous args.
6206 * c-decl.c (finish_struct): Skip erroneous fields.
6208 2006-05-22 Nick Clifton <nickc@redhat.com>
6210 * config/cris/cris.opt (march): Remove VarExists attribute.
6211 (max-stackframe=): Likewise.
6213 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6215 * doc/rtl.texi: Fix a typo.
6216 * see.c: Fix comment typos.
6218 * tree-ssa-structalias.h (alias_info): Remove num_references.
6220 2006-05-21 Mike Stump <mrs@apple.com>
6222 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6224 (darwin_pragma_options): Use BAD instead.
6225 (darwin_pragma_unused): Likewise.
6226 (darwin_pragma_ms_struct): Likewise.
6228 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6230 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6232 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6234 PR rtl-optimization/27671
6235 * simplify-rtx.c (simplify_relational_operation_1): Fix
6236 simplifications of (eq/ne (xor x y) y) and
6237 (eq/ne (xor x y) x).
6239 PR tree-optimization/26622.
6240 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6243 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6245 * tree-cfg.c: Prune whitespace.
6246 (debug_tree_cfg): Point to correct header containing the
6249 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6252 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6254 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6257 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6258 or sorry count is non zero.
6260 2006-05-20 Andreas Schwab <schwab@suse.de>
6262 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6264 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6265 Kenneth Zadeck <zadeck@naturalbridge.com>
6267 PR rtl-optimization/26855
6269 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6271 (df_scan_alloc): Added code to properly handle multiword hard
6272 registers and add all_blocks parameter.
6273 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6274 code to properly handle multiword hard registers.
6275 (df_rescan_blocks): Added code to remove deleted blocks from
6277 (df_ref_create_structure, df_ref_record): Added code to properly
6279 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6280 and set DF_REF_PARTIAL.
6281 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6282 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6283 (df_scan_add_problem): Added flags parameter.
6284 (df_ref_create_structure): Changed switching structure.
6285 (df_bb_refs_record): Fixed case where duplicate artificial refs
6286 were created. Changed location of flags.
6287 (df_record_entry_block_defs): Added code to make stack pointer
6288 live in entry block. Refined cases where frame pointer is needed.
6289 Changed location of flags.
6290 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6291 (df_set_state): Removed function.
6292 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6293 df_insn_create_insn_record, df_insn_refs_delete,
6294 df_ref_create_structure): Formatting changes.
6295 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6296 df_delete_basic_block): New function.
6297 (df_init): Changed location of flags.
6298 (df_add_problem): Added flags parameter and the way flags are
6300 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6301 debug_df_chain): Improved debugging output.
6302 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6303 (df_refs_chain_dump): Removed df parameter.
6304 (df_iterative_dataflow): Added consistency check.
6305 (df_prune_to_subcfg): Made public.
6306 (df_analyze_problem): Added blocks_to_init parameter and made
6308 (df_ref_record, df_bb_refs_record, df_mark_reg,
6309 df_record_exit_block_uses): Whitespace changes.
6310 (df_dump): Whitespace changes.
6311 * df.h: Some reordering to remove forward references.
6312 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6313 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6314 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6315 (dataflow.flags): New field.
6316 (df.flag): Deleted field.
6317 (df_alloc_function): Added additional bitmap parameter.
6318 (df_dependent_problem_function): New type.
6319 (df_problem.changeable_flags): New field.
6320 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6321 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6322 (df_mw_hardreg): New struct.
6323 (DF_INSN_UID_MWS): New macro.
6324 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6326 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6327 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6328 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6329 (df_set_state): Removed function.
6330 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6331 * df-problems.c (df_chain_dump): Removed df parameter.
6332 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6333 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6335 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6336 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6337 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6338 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6339 DF_REF_MUST_CLOBBER cases.
6340 (df_ru_bb_local_compute_process_def,
6341 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6342 df_lr_bb_local_compute, df_ur_bb_local_compute,
6343 df_chain_create_bb): Made subreg aware.
6344 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6345 df_lr_bb_local_compute, df_lr_bb_local_compute,
6346 df_chain_create_bb): Cleanup to use proper macros.
6347 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6348 code to fixup bitvectors.
6349 (df_ri_alloc): Cleared lifetime.
6350 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6351 df_create_unused_note): New function.
6352 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6353 REG_DEAD and REG_UNUSED notes as well as register information.
6354 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6355 df_chains_dump): Fixed crash if problem was never run.
6356 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6357 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6358 df_ri_add_problem): Processes flags in uniform manner.
6359 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6360 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6361 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6362 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6363 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6364 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6365 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6366 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6367 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6368 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6369 * see.c (see_initialize_data): Ditto.
6370 * final.c (rest_of_clean_state) Added regstack_completed.
6371 * rtl.h (regstack_completed): Ditto.
6372 * reg-stack.c (regstack_completed): Ditto.
6374 2006-05-19 Mike Stump <mrs@apple.com>
6376 * c-tree.h (default_conversion): Remove.
6377 * c-common.h (default_conversion): Add.
6379 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6381 * tree-vrp.c (valid_value_p): New function.
6382 (adjust_range_with_scev): Fail if the value of bound is not
6385 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6387 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6388 (mips_fallback_frame_state): Use syscall numbers to determine
6389 the appropriate li instruction for the current ABI. Only use
6390 __NR_sigreturn for o32.
6392 2006-05-19 Nicolas Setton <setton@adacore.com>
6394 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6395 * langhooks.c (lhd_dwarf_name): New function.
6396 * langhooks-def.h (lhd_dwarf_name): Declare.
6397 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6398 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6399 * ada/misc.c (gnat_dwarf_name): New function.
6400 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6402 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6404 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6406 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6407 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6408 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6409 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6410 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6411 determine the size of Wtype, etc.
6412 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6413 (swfloatfuncs): New variable.
6414 (dwfloatfuncs): Likewise.
6415 (lib2funcs): Remove floating-point conversion functions from
6416 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6417 the set of conversion routines needed. Allow entries to specify
6418 an object name, filename and word size. Update users accordingly.
6419 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6420 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6424 2006-02-08 Roger Sayle <roger@eyesopen.com>
6427 * config/fixtfdi.c: New libgcc source file.
6428 * config/fixunstfdi.c: New source file.
6429 * config/floatditf.c: New source file.
6430 * config/floatunditf.c: New souce file.
6431 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6432 files above instead of config/mips/_tilib.c.
6433 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6435 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6437 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6438 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6440 2006-05-18 Mike Stump <mrs@apple.com>
6442 Fix up vla, vm and [*] sematics.
6448 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6449 (c_vla_unspec_p): Add.
6450 (c_vla_type_p): Add.
6451 * c-decl.c (struct c_scope): Add had_vla_unspec.
6452 (build_array_declarator): Add support for [*].
6453 (grokdeclarator): Likewise.
6454 (grokparms): Likewise.
6455 (get_parm_info): Likewise.
6456 * c-objc-common.c (c_vla_unspec_p): Likewise.
6457 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6458 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6459 typeof when argument is a variably modified type not inside sizeof or alignof.
6460 (c_parser_direct_declarator_inner): Propagate errors.
6461 (c_parser_sizeof_expression): Add support for [*].
6462 (c_parser_parms_declarator): Initialize had_vla_unspec.
6463 (c_parser_parms_list_declarator): Likewise.
6464 * c-typeck.c (c_vla_type_p): Add.
6465 (composite_type): Add support for vla compositing.
6466 (comptypes_internal): Add support for vla compatibility.
6467 (c_expr_sizeof_expr): Evaluate vla arguments.
6468 * tree.c (variably_modified_type_p): Update comment for [*].
6470 2006-05-18 Michael Matz <matz@suse.de>
6473 * config.host: Make assignments to host_xmake_file cumulative.
6474 * config.host (*-darwin*): Test $host, not $target.
6476 2006-05-12 Stuart Hastings <stuart@apple.com>
6478 * config/i386/i386.opt (-mstackrealign): New flag.
6479 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6480 (ix86_handle_cconv_attribute): Emit error when
6481 force_align_arg_pointer attribute collides with too many regparms.
6482 (ix86_function_regparm): Limit regparms when used with
6483 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6484 Support stack-realigning prologue in non-main functions. Emit
6485 warning for nested functions under -mstackrealign, emit error for
6486 nested functions with force_align_arg_pointer attribute.
6487 * doc/extend.texi (force_align_arg_pointer): Document it.
6488 * doc/invoke.texi (-mstackrealign): Document it.
6490 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6492 PR rtl-optimization/27477
6493 * combine.c (try_combine): Don't split a parallel consisting
6494 of two sets into two individual sets if both sets reference
6497 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6499 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6500 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6502 * doc/options.texi (VarExists): Updated.
6504 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6506 * unwind-dw2.c: Add declarations for uw_update_context and
6508 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6509 detected, advance frame state and context once to skip over stub.
6511 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6515 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6516 Call rewrite_into_loop_closed_ssa only when something changed.
6517 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6518 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6519 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6520 Test for perfect_nest_p here. Fix formating.
6521 (replace_uses_equiv_to_x_with_y): Fix formating.
6522 (stmt_uses_op): Removed.
6523 (can_convert_to_perfect_nest): Removed loopivs parameter.
6524 Complete the test by checking the scalar dependences.
6525 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6528 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6531 From Dan Kegel <dank@kegel.com>:
6532 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6534 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6536 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6537 if the element type is variably modified without recursing.
6539 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6542 * tree-loop-linear.c (try_interchange_loops): Test for
6543 no data dependences.
6545 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6547 PR tree-optimization/27548
6548 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6549 range of ssa names that appear on abnormal edges.
6550 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6551 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6553 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6556 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6558 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6561 * tree.h (OMP_PARALLEL_COMBINED): Define.
6562 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6563 (new_omp_context): Add is_combined_parallel argument.
6564 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6565 new_omp_context caller.
6566 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6567 Adjust gimplify_scan_omp_clauses callers.
6568 (omp_is_private): Issue errors if iteration variable is firstprivate
6569 or reduction in the current context.
6570 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6571 on combined parallel workshare constructs.
6573 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6575 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6576 (gcc-options.o): New rule.
6578 * optc-gen.awk: Protect variables for gcc-options.o with
6579 #ifdef GCC_DRIVER/#endif.
6581 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6583 Fix PR tree-optimization/27373
6584 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6585 (forward_propagate_addr_expr): Update call.
6587 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6589 * doc/options.texi: Move the Negative option.
6591 2006-05-16 Richard Guenther <rguenther@suse.de>
6593 PR tree-optimization/22303
6594 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6596 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6597 ccp_fold did not simplify the statement.
6599 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6602 * Makefile.in (GCC_OBJS): New.
6603 (OBJS-common): Add opts-common.o.
6604 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6605 (cpp$(exeext)): Likewise.
6606 (gcc.o): Also depend on opts.h.
6607 (opts-common.o): New.
6609 * common.opt (gcoff): Add Negative(gdwarf-2).
6610 (gdwarf-2): Add Negative(gstabs).
6611 (gstabs): Add Negative(gstabs+).
6612 (gstabs+): Add Negative(gvms).
6613 (gvms): Add Negative(gxcoff).
6614 (gxcoff): Add Negative(gxcoff+).
6615 (gxcoff+): Add Negative(gcoff).
6616 * config/i386/i386.opt (m32): Add Negative(m64).
6617 (m64): Add Negative(m32).
6619 * doc/options.texi: Document the Negative option.
6621 * gcc.c: Include "opts.h".
6622 (main): Call prune_options after expandargv.
6624 * optc-gen.awk: Generate common declarations for all flag
6625 variables in options.c. Output the neg_index field.
6627 * opts.c (find_opt): Moved to ...
6628 * opts-common.c: Here. New file.
6630 * opts.h (cl_option): Add a neg_index field.
6632 (prune_options): Likewise.
6634 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6637 * omp-low.c (expand_omp_parallel): Don't assert
6638 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6639 instead search for it.
6642 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6645 2006-05-16 Andreas Schwab <schwab@suse.de>
6647 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6650 2006-05-15 Roger Sayle <roger@eyesopen.com>
6653 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6654 integer constants other than zero are only legitimate on TARGET_64BIT.
6655 <CONST_VECTOR> Only zero vectors are legitimate.
6656 (ix86_cannot_force_const_mem): Integral and vector constants can
6657 always be put in the constant pool.
6659 2006-05-16 DJ Delorie <dj@redhat.com>
6661 * crtstuff.c (__dso_handle): Set section from
6662 TARGET_LBIGCC_SDATA_SECTION if defined.
6663 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6664 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6666 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6669 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6672 2006-05-16 Ben Elliston <bje@au.ibm.com>
6674 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6676 2006-05-15 Per Bothner <per@bothner.com>
6678 * tree.c: (last_annotated_node): Use source_locus typedef.
6679 This permits bootstrapping with --enable-mapped-location.
6681 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6683 PR tree-optimization/26830
6684 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6685 (info_for_ssa_name, current_info_for_ssa_name_age,
6686 blocks_to_update): New variables.
6687 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6688 (clear_ssa_name_info, initialize_flags_in_bb,
6689 mark_block_for_update): New functions.
6690 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6691 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6692 prepare_def_site_for): Use mark_block_for_update.
6693 (mark_def_interesting): Assert that the processed block is marked in
6694 blocks_to_update. Do not take blocks argument.
6695 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6697 (rewrite_update_init_block, rewrite_update_stmt): Only process
6698 blocks with statements to rewrite.
6699 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6700 (update_ssa): Initialize and free blocks_to_update. Do not
6701 clear flags on statements. Do not use blocks bitmap.
6702 * tree.h (SSA_NAME_AUX): Removed.
6703 (struct tree_ssa_name): Removed aux field.
6704 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6706 2006-05-15 Richard Guenther <rguenther@suse.de>
6708 PR tree-optimization/27603
6709 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6710 Do computations in original type.
6712 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6714 * see.c: Code style changes such as redundant paranthesis,
6715 redundant intialization of local variables etc.
6716 (see_main): Declared now as static.
6717 * doc/invoke.texi: Update that -fsee is not enabled by
6720 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6722 * omp-low.c (check_omp_nesting_restrictions): New function.
6723 (scan_omp_1): Call it.
6726 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6727 construct, return *VAR.
6729 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6731 PR rtl-optimization/27406
6732 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6735 2006-05-14 Roger Sayle <roger@eyesopen.com>
6737 PR rtl-optimization/27538
6738 * combine.c (expand_compound_operation): Call gen_lowpart
6739 before calling simplify_shift_const.
6741 2006-05-14 Roger Sayle <roger@eyesopen.com>
6743 PR rtl-optimization/22563
6744 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6745 a fixed width bitfield, always force the intermediates into psuedos.
6747 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6750 * mkconfig.sh: Use operator = instead of == for test.
6752 2006-05-13 Nick Clifton <nickc@redhat.com>
6754 * dwarf2out.c (dbx_reg_number): Check return value from
6755 LEAF_REG_REMAP and only use it if it is valid.
6756 (multiple_reg_loc_descriptor): Likewise.
6758 2006-05-13 Richard Guenther <rguenther@suse.de>
6760 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6763 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6765 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6766 information attached to non-INSNs such as NOTEs.
6767 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6769 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6771 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6773 * config/s390/s390.md: Adjust comment describing On constraint.
6775 2006-05-11 Jan Hubicka <jh@suse.cz>
6777 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6778 to be output at -O0.
6780 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6783 * fold-const.c (size_binop): Move sanity check for arguments to
6784 the beginning of the function.
6787 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6790 2006-05-11 Richard Guenther <rguenther@suse.de>
6793 * fold-const.c (fold_unary): Handle intermediate conversion
6794 to a pointer type like intermediate conversion to an integer
6795 type in folding of (T1)(T2)var to var.
6796 Match the code to the comment in the final conversion for
6797 (T1)(T2)var to (T1)var regarding to type precision. Rather
6798 than disallow T1 being of pointer type, assert that both T1
6799 and var are of pointer type or not. Make sure not to fall
6800 over the frontends lazyness wrt array to pointer decay though.
6802 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6804 * arm.c (arm_struct_value_rtx): Delete.
6805 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6806 (arm_init_cumulative_args): Always initialize nregs to zero.
6808 2006-05-10 Richard Guenther <rguenther@suse.de>
6810 PR tree-optimization/27532
6811 * tree-object-size.c (plus_expr_object_size): Fix typo.
6813 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6816 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6817 ashrdi_const, ashrdi3): Use a scratch register.
6819 2006-05-10 Richard Guenther <rguenther@suse.de>
6821 PR tree-optimization/27302
6822 * fold-const.c (operand_equal_p): For two comparisons,
6823 try comparison of one comparison code swapped if that yields
6826 2006-05-10 Ben Elliston <bje@au.ibm.com>
6828 * tree-pretty-print.c (pretty_print_string): No need to handle
6829 '\0' as a special character.
6831 * tree.h: Include "hashtab.h".
6832 (iterative_hash_expr): Use hashval_t in its prototype.
6833 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6835 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6838 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6839 (hppa*64*-*-hpux11*): Ditto.
6840 (hppa[12]*-*-hpux11*): Ditto.
6842 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6845 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6847 2006-05-09 Michael Matz <matz@suse.de>
6849 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6850 host_extra_gcc_objs and host_xmake_file.
6851 (<*-*-linux*>): Don't overwrite host_xmake_file.
6852 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6853 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6854 (host_detect_local_cpu): Declare.
6855 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6856 * config/i386/i386.c (override_options): Handle -mtune=native
6858 * config/i386/x-i386: New file.
6859 * config/i386/driver-i386.c: New file.
6860 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6863 2006-05-09 Dirk Mueller <dmueller@suse.de>
6864 Richard Guenther <rguenther@suse.de>
6867 * fold-const.c (fold_read_from_constant_string): Relax check
6868 for matching types to matching modes.
6870 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6872 PR rtl-optimization/27335
6873 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6876 2006-05-08 Chao-ying Fu <fu@mips.com>
6877 Richard Sandiford <richard@codesourcery.com>
6879 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6880 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6881 * config/mips/mips.md (UNSPEC_SCC): New constant.
6882 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6883 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6884 (mips_emit_compare): Use it.
6885 (mips_expand_vcondv2sf): New function.
6887 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6889 Fix PR tree-optimization/27093
6890 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6891 renaming when they become not-used_alone.
6893 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6895 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6896 relocation and relocation stubs.
6898 2006-05-08 Eric Christopher <echristo@apple.com>
6900 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6903 2006-05-08 Jan Hubicka <jh@suse.cz>
6906 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6907 unused static functions are needed.
6909 2006-05-08 Roger Sayle <roger@eyesopen.com>
6912 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6913 of a reg_equiv_constant if the result is a legitimate constant.
6915 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6918 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6919 standard 80387 constants, raise the cost to prevent
6920 compress_float_constant() to generate load from memory.
6922 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6924 * config/arm/constraints.md (c): Fix a typo.
6926 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6929 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6932 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6934 (_mm_mwait): Likewise.
6936 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6938 (sse3_monitor): Make it 32bit only.
6939 (sse3_monitor64): New. 64bit monitor.
6941 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6944 * config/i386/i386.c (classify_argument): Skip fields with invalid
6947 2006-05-07 Richard Guenther <rguenther@suse.de>
6949 PR tree-optimization/27409
6950 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6951 Do not try to find zero-sized subvars.
6953 2006-05-07 Richard Guenther <rguenther@suse.de>
6955 PR tree-optimization/27136
6956 * tree-ssa-loop-niter.c (get_val_for): Correct function
6957 comment, assert requirements.
6958 (loop_niter_by_eval): Stop processing if the iterated
6959 value did not simplify.
6961 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6963 * opts.c (flag_see): remove its setting at -O3.
6965 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6967 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6968 * arm/constraints.md: New file.
6969 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6970 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6971 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6972 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6973 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6974 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6975 * arm.md: Include constraints.md.
6976 (thumb_movsi_insn): Use satisfies_constraint_J.
6977 (movhi, movqi): Use satisfies_constraint_I.
6979 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6981 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6982 for atmeg a645 device.
6984 2006-05-06 Richard Guenther <rguenther@suse.de>
6986 PR tree-optimization/27151
6987 * tree-vect-transform.c (vectorizable_condition): Punt on
6988 values that have a different type than the condition.
6990 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6993 * c-parser.c (c_parser_cast_expression): Only insert casts into
6994 hash table if pointer.
6995 * function.c (used_types_insert_helper): Rename from
6997 (used_types_insert): Call used_types_insert_helper.
6998 * function.h (used_types_insert): Accept only one argument.
7000 2006-05-05 David Edelsohn <edesohn@gnu.org>
7002 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7003 scratch with output modifier.
7005 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7008 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7009 with output modifier.
7011 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7014 * config/mips/mips.c (mips_symbolic_address_p): Return true
7015 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7016 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7018 2006-05-04 Richard Guenther <rguenther@suse.de>
7020 PR tree-optimization/14287
7021 PR tree-optimization/14844
7022 PR tree-optimization/19792
7023 PR tree-optimization/21608
7024 PR tree-optimization/27090
7025 * tree-ssa-pre.c (try_combine_conversion): New function.
7026 (compute_avail): After constructing the value-handle
7027 expression, use try_combine_conversion to combine NOP_EXPRs
7028 with previous value-handle expressions and use the result if it
7031 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7033 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7035 2006-05-04 Jan Hubicka <jh@suse.cz>
7038 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7040 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7042 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7043 that this only matches CONST_INTs. All users changed to VOIDmode
7046 * config/bfin/bfin.c: Include "optabs.h".
7047 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7049 (enum bfin_builtins): Add a number of fractional and vector builtins.
7050 (bfin_init_builtins): Likewise.
7051 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7052 (safe_vector_operand, bfin_expand_binop_builtin,
7053 bfin_expand_unop_builtin): New functions.
7054 (bfin_expand_builtin): Handle the new builtins.
7055 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7058 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7061 * Makefile.in (OBJS-common): Add see.o.
7062 (see.o): Add dependencies.
7063 * common.opt (fsee): New flag for the see optimization was added.
7064 * opts.c (flag_see): Initialized.
7065 * passes.c (init_optimization_passes, pass_see): New pass.
7066 * rtl.h (see_main): Declaration as extern.
7067 * timevar.def (TV_SEE): New.
7068 * tree-pass.h (pass_see): Declaration as extern.
7069 * invoke.texi (-fsee): Document.
7070 * recog.c (validate_simplify_insn): New function.
7071 * recog.h (validate_simplify_insn): Declaration as extern.
7072 * df-problems.c (df_chain_dump): Check for NULL.
7074 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7075 Daniel Berlin <dberlin@dberlin.org>
7077 * cfgrtl.c (insert_insn_bb_end_new): New function.
7078 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7080 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7082 * df.h (struct web_entry): Moved from web.c.
7083 (union_defs): Declaration as extern.
7084 (unionfind_root): Likewise.
7085 (unionfind_union): Likewise.
7086 * web.c (struct web_entry): Moved to df.h.
7087 (unionfind_root): Remove static declaration.
7088 (unionfind_union): Likewise.
7089 (union_defs): Likewise and generalize to use callback function.
7090 (web_main): Update arguments for union_defs function call.
7092 2006-05-04 Richard Guenther <rguenther@suse.de>
7094 PR tree-optimization/26447
7095 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7096 produce SSA_NAME copies before the store stmt to avoid
7097 breaking exception handling.
7099 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7102 * gimplify.c (omp_is_private): If var is shared in some outer context,
7103 return false instead of true. Stop searching on parallel context
7106 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7109 * coverage.c: Use get_gcov_unsigned_t() instead of
7110 unsigned_type_node all over.
7112 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7114 PR tree-optimization/27381
7115 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7116 maintain the same immediate_use links.
7117 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7118 node rather than segfaulting.
7120 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7123 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7124 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7125 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7127 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7129 Fix PR tree-optimization/26626
7130 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7132 * tree-ssa-operands.c (access_can_touch_variable): Allow
7133 typecasting through union pointers.
7135 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7138 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7139 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7140 to find if var will be a global variable even in the nested context.
7141 (omp_copy_decl): Only check for global variable at the end, it might
7142 be overridden in outer contexts.
7143 (scan_sharing_clauses): For global variables don't create a field.
7144 (lower_rec_input_clauses): Do nothing for global shared variables.
7145 Emit a barrier at the end of ILIST if there were any decls in both
7146 firstprivate and lastprivate clauses.
7147 (lower_send_clauses): Do nothing for global variables except for
7150 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7152 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7153 of the correct signedness is returned.
7155 2006-05-02 Jeff Law <law@redhat.com>
7157 PR tree-optimization/27364
7158 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7159 multiply expressions.
7161 2006-05-02 Tom Tromey <tromey@redhat.com>
7163 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7165 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7168 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7169 -mthumb -fPIC are used.
7171 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7172 Joshua Kinard <kumba@gentoo.org>
7175 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7176 with 64-bit pointers.
7178 2006-05-02 Paul Brook <paul@codesourcery.com>
7180 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7182 (create_fix_barrier): Check that a suitable barrier location is
7184 (arm_reorg): Include ftmp->address in allowable range of addresses.
7186 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7189 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7192 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7195 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7196 around RESULT_DECL for result passed by reference.
7197 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7198 * omp-low.c (use_pointer_for_field): Don't look at
7199 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7200 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7201 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7202 time or var for passing by reference for
7203 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7204 TREE_ADDRESSABLE variables when passing by reference.
7206 * omp-low.c (dump_omp_region): Fix output formatting.
7209 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7210 (expand_omp_parallel): Likewise.
7211 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7214 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7215 on statement list containing also constructors and destructors.
7216 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7219 * except.c (duplicate_eh_regions): Fix clearing of
7220 cfun->eh->region_array entries.
7222 2006-05-01 DJ Delorie <dj@redhat.com>
7224 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7226 (gcc_cv_objdump): Likewise.
7227 * configure: Regenerated.
7229 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7232 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7233 templates for case 3 and 4.
7235 2006-05-01 DJ Delorie <dj@redhat.com>
7237 * vec.c: Include bconfig.h when appropriate.
7238 * Makefile.in (build/vec.o): Adjust dependencies.
7239 * mkconfig.sh: Make sure config.h isn't used for build machine
7242 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7244 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7246 (mark_phi_for_rewrite): New function.
7247 (insert_phi_nodes_for, mark_use_interesting): Call
7248 mark_phi_for_rewrite.
7249 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7250 (update_ssa): Initialize and free phis_to_rewrite.
7252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7254 PR rtl-optimization/27291
7255 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7256 folded to a constant.
7258 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7260 PR tree-optimization/27283
7261 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7262 not whole # of iteration descriptions.
7263 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7264 uses abnormal ssa name.
7265 (niter_for_single_dom_exit): Ditto.
7266 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7267 return just the number of iterations.
7269 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7271 PR tree-optimization/27144
7272 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7273 (record_estimate): Only record constant upper bound.
7274 (infer_loop_bounds_from_undefined): Call
7275 compute_estimated_nb_iterations just once.
7276 (proved_non_wrapping_p): Renamed to ...
7277 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7278 (convert_step_widening, scev_probably_wraps_p): Call
7279 n_of_executions_at_most instead of proved_non_wrapping_p.
7280 (substitute_in_loop_info): Do not replace values in bounds.
7281 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7284 2006-05-01 Richard Henderson <rth@redhat.com>
7287 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7288 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7291 2006-05-01 Roger Sayle <roger@eyesopen.com>
7293 * c-typeck.c (parser_build_binary_op): Don't call the function
7294 unsigned_conversion_warning to spot operand/result type overflow.
7295 (build_binary_op): Instead, call convert_and_check instead of
7296 convert to report the problem when the operands are promoted.
7297 * c-common.c (unsigned_conversion_warning): Make static.
7298 * c-common.h (unsigned_conversion_warning): Delete prototype.
7300 2006-05-01 Richard Guenther <rguenther@suse.de>
7302 PR tree-optimization/26726
7303 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7305 (find_interesting_uses_address): ... we work around here
7306 by folding INDIRECT_REFs in the substituted base.
7308 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7310 * omp-low.c (dump_omp_region): Add newlines.
7312 2006-04-30 Roger Sayle <roger@eyesopen.com>
7314 * common.opt (Woverflow): New command line option.
7315 * c-common.c (constant_expression_warning): Check warn_overflow.
7316 (overflow_waring): Pass OPT_Woverflow to warning.
7317 (unsigned_conversion_warning): Likewise.
7318 (convert_and_check): Likewise.
7319 * doc/invoke.texi: Document new command line option.
7321 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7323 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7324 TARGET_NO_FP_IN_TOC for section anchors.
7325 (optimization_options): Enable section anchors for all
7326 non-"Objective" languages.
7328 2006-04-28 Eric Christopher <echristo@apple.com>
7330 * config/darwin-c.c (darwin_ms_struct): Move this
7331 (darwin_set_default_type_attributes): and this...
7332 * config/darwin.c: ... here.
7333 * config/darwin.h (darwin_ms_struct): Declare.
7335 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7337 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7339 2006-04-28 Roger Sayle <roger@eyesopen.com>
7342 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7343 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7344 an unsigned HOST_WIDE_INT.
7345 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7347 (really_start_incremental_init): No need to call convert because
7348 bitsize_zero_node is already of type bitsizetype.
7349 (push_init_level): Extract the value of constructor_index as an
7350 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7351 (process_init_element): Likewise.
7353 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7355 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7356 value before passing to make_relative_prefix.
7358 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7361 * builtins.c (expand_builtin_memset): Expand val in original mode.
7363 2006-04-27 Eric Christopher <echristo@apple.com>
7365 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7366 with #ifndef/#endif.
7367 * config/darwin-c.c (darwin_ms_struct): New.
7368 (darwin_pragma_ms_struct): Ditto.
7369 (darwin_set_default_type_attributes): Ditto.
7370 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7371 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7372 Register ms_struct pragma.
7373 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7374 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7375 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7376 darwin_set_default_type_attributes if TARGET_MACHO.
7378 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7380 PR tree-optimization/26854
7381 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7382 * doc/tree-ssa.texi: Update immuse iterator documentation.
7383 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7385 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7386 first_safe_imm_use, next_safe_imm_use): Remove.
7387 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7388 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7389 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7390 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7391 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7392 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7393 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7394 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7395 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7396 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7397 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7398 (perfect_nestify): Use new iterator.
7399 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7401 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7402 (next_imm_name): New field in struct immediate_use_iterator_d.
7403 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7404 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7405 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7406 * tree-cfg.c (replace_uses_by): Use new iterator.
7407 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7408 * tree-ssa-operands.c (correct_use_link): Remove.
7409 (finalize_ssa_use_ops): No longer call correct_use_link.
7411 2006-04-27 Stuart Hastings <stuart@apple.com>
7413 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7414 * config/t-darwin (crt3.o): Use it.
7415 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7416 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7417 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7418 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7419 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7422 2006-04-27 Roger Sayle <roger@eyesopen.com>
7424 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7425 size, force the intermediate into a new pseudo rather instead of
7426 performing both a bitwise AND and a bitwise IOR in memory.
7428 2006-04-27 Richard Guenther <rguenther@suse.de>
7430 PR rtl-optimization/26685
7431 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7432 this one "max-flow-memory-locations".
7434 2006-04-27 Richard Guenther <rguenther@suse.de>
7436 PR tree-optimization/25148
7437 * tree-vrp.c (compare_values): Remove code dealing with
7438 comparisons against type min/max value. Honour overflow
7439 and negative constants in code dealing with comparisons
7440 of plus and minus expressions.
7441 (value_inside_range): Use fold_binary with LE_EXPR and
7442 GE_EXPR rather than compare_values.
7444 2006-04-27 Dirk Mueller <dmueller@suse.de>
7446 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7449 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7451 * basic-block.h (safe_insert_insn_on_edge): Removed.
7452 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7454 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7455 Paolo Bonzini <bonzini@gnu.org>
7458 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7459 (simplify_and_const_int): Same.
7461 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7463 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7465 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7468 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7469 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7470 cgraph_global_info_ready.
7473 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7476 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7477 either decl or init is error_mark_node.
7480 * tree-flow.h (struct omp_region): Add sched_kind.
7481 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7482 instead of extracting omp for data.
7483 (expand_omp_for): Save extracted sched_kind.
7485 2006-04-25 Roger Sayle <roger@eyesopen.com>
7487 * expmed.c (store_bit_field): Also check whether the bitsize is
7488 valid for the machine's "insv" instruction before moving the
7489 target into a pseudo for use with the insv.
7490 * config/i386/predicates.md (const8_operand): New predicate.
7491 * config/i386/i386.md (extv, extzv, insv): Use the new
7492 const8_operand predicate where appropriate.
7494 2006-04-25 DJ Delorie <dj@redhat.com>
7496 * doc/install.texi (Specific): Clarify that this is not a list of
7497 supported hosts or targets.
7499 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7501 PR rtl-optimization/26725
7502 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7503 block's BB_DIRTY flag.
7505 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7507 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7510 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7511 to print an integer.
7513 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7515 * varasm.c (align_variable): New function.
7516 (get_block_for_decl): Apply align_variable to DECL before
7517 calculating section information.
7518 (assemble_variable): Split out alignment computation.
7520 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7522 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7525 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7527 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7528 MODE_PARTIAL_INT mode.
7529 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7530 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7532 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7533 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7535 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7537 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7539 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7540 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7541 MACFLAG_IH): Likewise.
7542 (movstricthi_1): Renamed from "*movstricthi".
7543 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7544 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7545 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7546 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7547 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7548 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7549 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7550 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7551 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7552 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7553 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7554 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7555 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7556 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7557 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7559 * doc/rtl.texi (ss_ashift): Improve wording.
7561 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7563 * dwarf2out.c (verify_marks_clear): New.
7564 (prune_unused_types): Call verify_marks_clear initially, not
7567 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7569 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7570 * doc/rtl.texi: Document them.
7571 * simplify-rtx.c (simplify_unary_operation,
7572 simplify_binary_operation_1): Don't abort when we see them.
7574 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7577 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7578 * configure.ac: Completely disregard languages that are not
7580 * configure: Regenerated.
7582 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7583 Richard Guenther <rguenther@suse.de>
7585 PR tree-optimization/27236
7586 * tree-inline.c (copy_body_r): Make sure to copy
7587 TREE_THIS_VOLATILE flag.
7589 2006-04-24 Richard Guenther <rguenther@suse.de>
7592 * tree-complex.c (update_parameter_components): Don't handle
7593 unused parameters which have no default def.
7595 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7596 Richard Guenther <rguenther@suse.de>
7598 PR tree-optimization/27218
7599 * tree-inline.c (expand_call_inline): Strip useless type
7600 conversions for the return slot address.
7602 2006-04-24 Richard Guenther <rguenther@suse.de>
7604 * cfgloop.h (struct loops): Remove unused field array. Reorder
7606 (LOOP_PREFETCH): Remove.
7608 2006-04-24 Richard Guenther <rguenther@suse.de>
7610 PR tree-optimization/22525
7611 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7612 variable, adjust types of generated expressions.
7614 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7616 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7617 (tree-vect-patterns.o): Likewise.
7619 (cselib.o): Likewise.
7620 (loop-doloop.o): Likewise.
7621 (regclass.o): Likewise.
7622 (reload1.o): Likewise.
7623 (explow.o): Replace target.h with $(TARGET_H).
7624 (ipa-prop.o): Likewise.
7625 (ipa-cp.o): Likewise.
7626 (ipa-inline.o): Likewise.
7627 (reorg.o): Likewise.
7628 (reg-stack.o): Likewise.
7630 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7632 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7634 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7636 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7638 * configure.ac: Completely disregard languages that are not
7640 * configure: Regenerated.
7643 * c-common.h (c_build_bitfield_integer_type): Declare.
7644 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7645 * c-common.c (c_build_bitfield_integer_type): ... here.
7647 2006-04-23 Roger Sayle <roger@eyesopen.com>
7650 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7651 a SImode SUBREG of a floating point register after no_new_pseudos.
7653 2006-04-23 Roger Sayle <roger@eyesopen.com>
7655 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7656 identify potentially eliminable registers to additionally catch
7657 VIRTUAL_INCOMING_ARGS_REGNUM.
7658 (addsi3): Update the conditions on when to use addsi_small_int.
7660 2006-04-23 Roger Sayle <roger@eyesopen.com>
7663 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7664 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7665 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7667 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7669 * fold-const.c (range_predecessor): Use operand_equal_p
7670 as the predicate for equality.
7671 (range_successor): Likewise.
7673 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7676 * config/soft-fp/op-common.h: Fix a typo.
7678 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7681 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7682 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7684 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7686 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7688 * doc/tm.texi: Fix a typo.
7690 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7692 * dwarf2out.c (struct die_struct): Document that die_sib makes
7693 a circular linked list.
7694 (FOR_EACH_CHILD): New.
7695 (reverse_die_lists): Delete.
7696 (reverse_all_dies): Delete.
7697 (add_dwarf_attr): Correct documentation.
7698 (remove_child_with_prev): New.
7699 (remove_child_TAG): Update for change to die_struct, use
7700 remove_child_with_prev.
7701 (add_child_die): Update for change to die_struct.
7702 (splice_child_die): Use remove_child_with_prev and add_child_die.
7703 (print_die): Use FOR_EACH_CHILD.
7704 (die_checksum): Likewise.
7705 (assign_symbol_names): Likewise.
7706 (output_location_lists): Likewise.
7707 (build_abbrev_table): Likewise.
7708 (calc_die_sizes): Likewise.
7709 (mark_dies): Likewise.
7710 (unmark_dies): Likewise.
7711 (unmark_all_dies): Likewise.
7712 (output_die): Likewise.
7713 (prune_unused_types_mark): Likewise.
7714 (prune_unused_types_walk): Likewise.
7715 (same_die_p): Update for change to die_struct.
7716 (break_out_includes): Likewise.
7717 (prune_unused_types_prune): Likewise.
7718 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7719 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7721 (dwarf2out_finish): Don't call reverse_all_dies.
7723 2006-04-21 Eric Christopher <echristo@apple.com>
7725 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7726 in comments and function names.
7728 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7731 * c-typeck.c (digest_init): Robustify.
7733 * c-typeck.c (pop_init_level): Simplify.
7735 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7737 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7739 2006-04-21 Paul Brook <paul@codesourcery.com>
7741 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7742 hardware floating point.
7744 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7746 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7749 2006-04-21 Nick Clifton <nickc@redhat.com>
7751 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7754 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7757 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7758 C++ lang type in traceback table for Objective-C++.
7760 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7762 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7764 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7766 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7769 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7770 were errors. Remove check for erroneous objects.
7772 2006-04-20 Jeff Law <law@redhat.com>
7774 PR tree-optimization/26854
7775 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7776 checking for zero or one use.
7777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7778 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7779 * tree-ssa-reassoc.c (negate_value): Similarly.
7780 (reassociate_bb): Similarly.
7782 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7784 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7785 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7786 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7788 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7790 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7791 fp regs if the last fp arg doesn't fit in regs.
7793 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7796 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7797 that the last insn has the REG_INC note.
7799 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7800 Nathan Sidwell <nathan@codesourcery.com>
7803 * stor-layout.c (update_alignment_for_field): Do not align
7805 (place_union_field): Place union field at the start of the union.
7806 (place_field): Move ERROR_MARK check later, and use the current
7807 allocation position to maintain monotonicity.
7809 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7811 * dominance.c: Include timevar.h.
7812 (calculate_dominance_info): Use TV_DOMINANCE.
7813 * timevar.def (TV_DOMINANCE): New timevar.
7814 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7816 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7818 PR rtl-optimization/14261
7819 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7820 move would be an INSV insn.
7821 (noce_process_if_block): Don't optimize if the destination is a
7822 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7824 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7826 * config/s390/s390.md: Add comments with the instructions emitted
7827 by an insn pattern if macros are used.
7829 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7831 PR rtl-optimization/26026
7832 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7833 is a known power of two shifted left a variable amount.
7835 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7837 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7838 to hash table twice when the debug_str section has SECTION_MERGE.
7840 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7842 * config/soft-fp: New directory. From glibc.
7843 * config/soft-fp/t-softfp: New.
7844 * config/soft-fp/README: New.
7845 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7846 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7847 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7848 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7849 * config.gcc: Use rs6000/t-fprules-fpbit or
7850 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7852 * config/rs6000/sfp-machine.h: New. Based on glibc.
7853 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7855 * config/rs6000/t-fprules: Remove fp-bit rules.
7856 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7857 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7858 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7859 (softfp_wrap_start, softfp_wrap_end): New.
7861 2006-04-18 DJ Delorie <dj@redhat.com>
7863 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7865 2006-04-18 Devang Patel <dpatel@apple.com>
7867 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7869 2006-04-18 Nick Clifton <nickc@redhat.com>
7871 * config/sh/t-symbian: Add rule to build sh-c.o
7872 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7873 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7874 (sh_symbian_encode_section_info): Likewise.
7876 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7878 * builtins.c (expand_builtin_strcmp): Cover label definition of
7879 do_libcall with HAVE_cmpstrnsi.
7881 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7883 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7885 * function.h (temp_slot_p): New.
7886 (function): Change the type of x_used_temp_slots to
7887 VEC(temp_slot_p,gc) *.
7889 2006-04-18 Nick Clifton <nickc@redhat.com>
7891 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7892 flag_strength_reduce.
7894 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7896 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7900 Partial revert of revision 112637
7901 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7902 Dale Johannesen <dalej@apple.com>
7905 * regclass.c (struct reg_pref): Update documentation.
7906 (regclass): Set prefclass to NO_REGS if memory is the best option.
7907 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7909 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7911 PR tree-optimization/26821
7912 * tree-ssa-math-opts.c (get_constant_one): New.
7913 (insert_reciprocals): Use it.
7915 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7917 * dwarf2out.c (free_AT): Delete.
7918 (remove_AT): Update string ref counts.
7919 (remove_child_TAG): Don't call free_die.
7921 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7922 or DW_TAG_GNU_EINCL.
7923 (prune_unused_types_walk_attribs): Reset string refcounts.
7924 (prune_unused_types_update_strings): New.
7925 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7926 call free_die. Do call prune_unused_types_update_strings.
7927 (prune_unused_types): Empty debug_str_hash.
7929 2006-04-17 Roger Sayle <roger@eyesopen.com>
7931 * expr.c (expand_assignment): Optimize away no-op moves where the
7932 source and destination are equal and have no side-effects.
7934 2006-04-17 Richard Guenther <rguenther@suse.de>
7937 * reload.c (push_reload): Guard calls to get_secondary_mem
7940 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7942 * alias.c (reg_base_value, old_reg_base_value): Change the
7943 type to VEC(rtx,gc) *.
7944 (REG_BASE_VALUE, find_base_value, record_set,
7945 init_alias_analysis): Use VEC instead of VARRAY.
7947 * alias.c (alias_sets): Change the type to
7948 VEC(alias_set_entry,gc) *.
7949 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7950 VEC instead of VARRAY.
7951 (last_alias_set): Remove.
7953 * cgraph.h (cgraph_edge_p): New.
7954 Update the prototype of cgraph_function_versioning.
7955 * cgraphunit.c (cgraph_copy_node_for_versioning,
7956 cgraph_function_versioning): Use VEC instead of VARRAY.
7957 * ipa-cp.c (ipcp_insert_stage): Likewise.
7959 2006-04-16 Roger Sayle <roger@eyesopen.com>
7962 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7963 "A op B" or "A op C", we may need to convert A to the type of B and C.
7965 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7967 * target.h (struct gcc_target): Add mode_rep_extended.
7968 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7969 (init_num_sign_bit_copies_in_rep): Initialize it using
7971 (truncate_to_mode): Use it.
7972 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7973 * targhooks.h (default_mode_rep_extended): Declare it.
7974 * targhooks.c (default_mode_rep_extended): Define it.
7975 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7976 default_mode_rep_extended.
7977 (TARGET_INITIALIZER): Include it.
7978 * doc/tm.texi (Misc): Document it.
7979 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7980 (mips_truncated_to_mode): New function.
7982 2006-04-16 Roger Sayle <roger@eyesopen.com>
7985 * expr.c (compress_float_constant): Copy the narrow constant into
7986 a new pseudo before extending it to its final width.
7988 2006-04-16 Roger Sayle <roger@eyesopen.com>
7989 Andrew Pinski <pinskia@gcc.gnu.org>
7990 Dale Johannesen <dalej@apple.com>
7993 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7994 special case code to implement V8HImode and V16QImode with SSE2.
7996 2006-04-15 Roger Sayle <roger@eyesopen.com>
7998 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7999 trees are constructed with a suitable tree type.
8001 2006-04-15 Roger Sayle <roger@eyesopen.com>
8003 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8004 (integer_onep): Likewise.
8005 (integer_all_onesp): Likewise.
8006 (integer_pow2p): Likewise.
8007 (integer_nonzerop): Likewise.
8008 (real_zerop): Likewise.
8009 (real_onep): Likewise.
8010 (real_twop): Likewise.
8011 (real_minus_onep): Likewise.
8012 (int_size_in_bytes): Likewise.
8013 (host_integerp): Likewise.
8015 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8017 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8018 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8019 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8021 * tree-ssa-structalias.h (alias_info): Remove num_references.
8023 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8025 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8026 (output_bvb patterns): Likewise.
8027 * pa.c (output_bb): Use 'bb' insn for long branch case.
8028 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8029 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8030 1. Correct length operand for alternatives 1 and 2.
8031 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8032 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8034 2006-04-14 Roger Sayle <roger@eyesopen.com>
8036 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8037 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8038 were accidentally reverted by r112959.
8040 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8043 * except.h (eh_region_outermost): New prototype.
8044 * except.c (eh_region_outermost): New function.
8045 * tree-cfg.c (find_outermost_region_in_block): Use it.
8047 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8049 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8051 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8052 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8053 (init_reload, reload): Use VEC instead of VARRAY.
8054 * reload.h: Update the prototype for
8055 reg_equiv_memory_loc_varray.
8057 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8058 Eric Botcazou <ebotcazou@libertysurf.fr>
8060 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8063 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8066 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8067 to expand fallback builtin function call.
8069 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8072 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8073 and emit libcall here in case the builtin fails.
8074 (expand_builtin_strcmp): Always emit the libcall here on failure.
8076 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8078 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8079 * flow.c (reg_n_info): Change the type to
8080 VEC(reg_info_p,heap) *.
8081 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8083 * regs.h (reg_info_p): New.
8084 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8085 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8086 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8089 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8091 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8093 * params.h (MAX_SCHED_READY_INSNS): New macro.
8094 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8095 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8096 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8097 the ready list for 1 cycle during the first scheduling pass.
8098 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8100 2006-04-13 Richard Henderson <rth@redhat.com>
8103 * gimple-low.c (lower_omp_directive): Remove dead code.
8104 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8105 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8106 * omp-low.c (struct omp_region): Move to tree-flow.h.
8107 (root_omp_region): Export.
8108 (omp_regions, lookup_omp_region): Remove.
8109 (determine_parallel_type): Update for struct omp_region changes.
8110 (dump_omp_region): Dump regions with block numbers.
8111 (new_omp_region): Take type and block instead of stmt; malloc
8113 (free_omp_region_1, free_omp_regions): New.
8114 (expand_parallel_call): Take entry_stmt as argument; update for
8115 changes to omp_region.
8116 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8117 (remove_exit_barriers): New.
8118 (expand_omp_parallel): Update for struct omp_region changes.
8119 (expand_omp_synch): Likewise.
8120 (expand_omp): Likewise.
8121 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8122 (expand_omp_for_static_chunk): Likewise.
8123 (expand_omp_for): Likewise.
8124 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8125 (expand_omp_sections): Similarly, with GOMP_sections_end.
8126 (expand_omp_single): New.
8127 (build_omp_regions_1): Update for OMP_CONTINUE.
8128 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8129 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8130 OMP_SECTIONS_SECTIONS.
8131 (lower_omp_single_simple): Don't emit barrier here.
8132 (lower_omp_single_copy): Likewise.
8133 (lower_omp_single): Fix bindings, and lower to straightline now.
8134 (lower_omp_master, lower_omp_ordered): Likewise.
8135 (lower_omp_critical): Likewise.
8136 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8137 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8138 omp edges, free it afterward.
8139 (make_omp_sections_edges): Remove.
8140 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8141 (move_stmt_r): Handle OMP_CONTINUE.
8142 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8143 statement pointers to basic blocks. Add type member.
8144 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8145 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8146 * tree-inline.c (estimate_num_insns_1): Likewise.
8147 * tree-pretty-print.c (dump_generic_node): Likewise.
8148 * tree-ssa-operands.c (get_expr_operands): Likewise.
8149 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8150 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8151 (OMP_CONTINUE): New.
8152 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8153 (OMP_SECTIONS_SECTIONS): Remove.
8154 (OMP_SECTION_LAST): New.
8155 (OMP_RETURN_NOWAIT): New.
8157 2006-04-13 Roger Sayle <roger@eyesopen.com>
8159 * fold-const.c (native_encode_vector, native_interpret_real):
8160 Correct obvious mistakes in the previous check-in.
8162 2006-04-13 Roger Sayle <roger@eyesopen.com>
8164 * fold-const.c (native_encode_expr): New function to encode
8165 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8166 or VECTOR_CST into a specified buffer.
8167 (native_encode_int): New function.
8168 (native_encode_real): New function.
8169 (native_encode_complex): New function.
8170 (native_encode_vector): New function.
8171 (native_interpret_expr): Inverse of native_encode_expr to convert
8172 a target representation into an INTEGER_CST, REAL_CST etc...
8173 (native_interpret_int): New function.
8174 (native_interpret_real): New function.
8175 (native_interpret_complex): New function.
8176 (native_interpret_vector): New function.
8177 (fold_view_convert_expr): New function to constant fold/evaluate
8178 a VIEW_CONVERT_EXPR of a suitable constant expression.
8179 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8180 Change call of build1 to fold_build1 when constructing a
8183 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8184 Ulrich Weigand <uweigand@de.ibm.com>
8187 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8190 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8193 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8194 optimize to lo_sum for DFmode if !TARGET_FPRS.
8196 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8198 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8199 delete_alias_info, compute_flow_sensitive_aliasing,
8200 group_aliases): Use VEC instead of VARRAY.
8201 * tree-ssa-structalias.c (update_alias_info): Likewise.
8202 * tree-ssa-structalias.h (alias_info): Change the type of
8203 processed_ptrs to VEC(tree,heap) *.
8205 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8208 * config/sh/lib1funcs.h: New file, broken out of:
8209 * config/sh/lib1funcs.asm.
8210 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8212 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8213 * config/sh/lib1funcs-Os-4-200.asm: New file.
8214 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8215 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8216 (EXTRA_MULTILIB_PARTS): Include it.
8217 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8218 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8219 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8220 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8223 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8225 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8226 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8227 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8229 * tree-ssa-live.h: Include vecprim.h.
8230 (tree_partition_associator_d): Change the type of
8231 first_partition to VEC(int,heap) *.
8232 (tpa_first_partition): Use VEC instead of VARRAY.
8234 * Makefile.in (GTFILES): Move functions.h after tree.h.
8235 * function.c (reset_block_changes, record_block_change,
8236 check_block_change, free_block_changes): Use VEC instead of
8238 * function.h (function): Change the type of
8239 ib_boundaries_block to VEC(tree,gc) *.
8240 * tree-inline.c (copy_cfg_body): Initialize
8241 ib_boundaries_block to NULL instead of (varray_type) 0.
8243 2006-04-12 Roger Sayle <roger@eyesopen.com>
8245 * expr.c (emit_group_store): Correct operand order in call to
8246 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8247 a SUBREG_BYTE of zero.
8249 2006-04-12 Richard Guenther <rguenther@suse.de>
8251 * profile.c (compute_branch_probabilities): Remove code
8252 encapsulated in !ir_type (), which are remanents of the
8253 removed RTL profiling code.
8254 * rtl-profile.c: Remove.
8256 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8258 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8259 magic NULL_RTX comment.
8260 (function_arg): Store entire fp arg to mem if any part should go
8262 (rs6000_arg_partial_bytes): Adjust for above change.
8264 2006-04-11 Roger Sayle <roger@eyesopen.com>
8266 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8267 if it hasn't been initialized by dwarf2out_init.
8269 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8271 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8272 symbolic constants in branch patterns.
8274 2006-04-11 Roger Sayle <roger@eyesopen.com>
8276 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8278 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8280 PR rtl-optimization/27073
8281 * gcse.c (try_replace_reg): Revert last change. Continue to search
8282 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8285 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8287 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8288 aggregate types other than record and union types.
8289 (function_arg): Likewise.
8290 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8292 (function_value): In 64-bit mode, return objects that require it
8295 2006-04-11 Roger Sayle <roger@eyesopen.com>
8297 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8299 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8301 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8303 2006-04-03 Jeff Law <law@redhat.com>
8306 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8307 alias information too.
8309 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8311 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8313 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8316 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8317 (premark_used_types_helper): New.
8318 (premark_used_types): New.
8319 (gen_subprogram_die): Call premark_used_types.
8320 (prune_unused_types_walk): Do not prune perennial dies.
8321 * function.c (used_types_insert): New.
8322 * function.h (struct function): Add used_types_hash field.
8323 (used_types_insert): Add prototype.
8324 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8325 * c-parser.c (c_parser_cast_expression): Save casted types in used
8328 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8331 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8332 rs6000_explicit_options.float_gprs.
8334 2006-04-10 Roger Sayle <roger@eyesopen.com>
8336 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8337 from ix86_expand_vector_init_low_nonzero. Take an additional
8338 one_var argument indicating which element is non-zero. Support
8339 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8340 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8341 with one_var instead of ix86_expand_vector_init_low_nonzero.
8343 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8345 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8346 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8347 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8348 build/genextract.o): Depend on vecprim.h.
8349 * cfglayout.c, df-problems.c, function.c, genextract.c,
8350 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8351 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8355 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8357 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8358 Declare VECs of this type.
8359 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8360 (remove_children): Delete.
8361 (add_dwarf_attr): Use VEC routines.
8362 (add_AT_flag): Update for changes to add_dwarf_attr.
8363 (add_AT_int): Likewise.
8364 (add_AT_unsigned): Likewise.
8365 (add_AT_long_long): Likewise.
8366 (add_AT_vec): Likewise.
8367 (add_AT_string): Likewise.
8368 (add_AT_die_ref): Likewise.
8369 (add_AT_fde_ref): Likewise.
8370 (add_AT_loc): Likewise.
8371 (add_AT_loc_list): Likewise.
8372 (add_AT_addr): Likewise.
8373 (add_AT_lbl_id): Likewise.
8374 (add_AT_lineptr): Likewise.
8375 (add_AT_macptr): Likewise.
8376 (add_AT_offset): Likewise.
8377 (add_AT_range_list): Likewise.
8378 (get_AT): Use VEC_iterate.
8379 (remove_AT): Use VEC_ordered_remove.
8380 (free_die): Fold remove_children into here; have it use VEC_iterate.
8381 (print_die): Use VEC_iterate on attrs.
8382 (reverse_die_lists): Don't reverse attr lists.
8383 (die_checksum): Use VEC_iterate on attrs.
8384 (same_die_p): Likewise.
8385 (output_location_lists): Likewise.
8386 (build_abbrev_table): Likewise.
8387 (size_of_die): Likewise.
8388 (unmark_all_dies): Likewise.
8389 (output_abbrev_section): Likewise.
8390 (output_die): Likewise.
8391 (prune_unused_types_walk_attribs): Likewise.
8393 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8395 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8397 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8400 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8402 2006-04-09 Roger Sayle <roger@eyesopen.com>
8404 * expr.c (store_constructor): Don't bother clearing target if
8405 we're about to assign a vector to it using vec_init_optab.
8407 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8409 * tree-ssa-alias.c (lhs_may_store_to): New function.
8410 (recalculate_used_alone): Handle LHS of calls.
8412 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8416 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8417 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8418 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8419 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8420 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8421 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8422 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8423 stubs. Add ".align 8" directives before all ".dword" directives.
8424 (GTHREAD_USE_WEAK): Revise comment.
8425 (TARGET_ATTRIBUTE_WEAK): Define.
8426 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8427 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8428 * stublib.c: New file.
8433 * pa.md (cbranch patterns): Revise arguments used in calls to
8434 output_cbranch, output_bb and output_bvd. Add long branch length
8436 (fbranch patterns): Handle long branches.
8437 (jump): Revise length check. Revise arguments for output_lbranch call.
8438 Add long branch length attributes.
8439 (decrement_and_branch_until_zero): Add long branch length attributes.
8440 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8441 Likewise. Revise arguments for output_parallel_addb and
8442 output_parallel_movb calls.
8443 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8444 output_parallel_movb and output_parallel_addb): Update prototypes.
8445 * pa.c (output_cbranch): Revise arguments. Correct handling of
8446 nullification in long branches.
8447 (output_lbranch): Add new argument to control extraction of delay
8449 (output_bb): Handle long branches.
8450 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8451 output_parallel_addb): Likewise.
8453 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8455 PR rtl-optimization/27073
8456 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8459 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8461 * tree.h (tree_memory_tag): Add old_used_alone.
8462 (SMT_OLD_USED_ALONE): New macro.
8463 * tree-ssa-alias.c (recalculate_used_alone): Stop
8464 marking things for renaming unnecessarily.
8466 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8468 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8469 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8470 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8471 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8472 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8473 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8474 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8475 spelling convensions.
8476 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8477 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8478 typos. Follow spelling conventions.
8480 2006-04-07 DJ Delorie <dj@redhat.com>
8482 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8483 passed on the stack.
8484 (m32c_init_cumulative_args): When a function returns a structure,
8485 always pass the pointer to that return area on the stack.
8486 (m32c_function_arg_advance): Don't increment the parameter number
8487 if we're processing the returned structure pointer.
8488 (pushm_info): Reverse order of registers.
8490 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8492 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8493 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8494 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8495 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8497 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8498 chrec_fold_multiply): Same.
8499 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8500 force_expr_to_var_cost): Same.
8501 * tree-mudflap.c (mf_xform_derefs_1): Same.
8502 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8504 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8506 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8507 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8510 2006-04-07 Jan Hubicka <jh@suse.cz>
8512 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8514 2006-04-07 Richard Guenther <rguenther@suse.de>
8516 PR tree-optimization/26135
8517 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8518 loads for store copy-prop.
8519 (copy_prop_visit_stmt): Likewise.
8521 2006-04-05 Robert Millan <robertmh@gnu.org>
8523 * config/i386/linux.h: Add a comment to mark macros that are
8524 being overriden in config/k*bsd-gnu.h.
8525 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8527 * config/knetbsd-gnu.h: Ditto.
8529 2006-04-06 Jan Hubicka <jh@suse.cz>
8533 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8536 2006-04-06 Mike Stump <mrs@apple.com>
8538 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8539 for HAVE_nonlocal_goto to be consistent.
8540 (expand_builtin_nonlocal_goto): Likewise.
8541 (expand_builtin_strcmp): Use #ifdef instead of #if
8542 for HAVE_cmpstrnsi to be consistent.
8544 2006-04-05 DJ Delorie <dj@redhat.com>
8546 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8549 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8551 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8552 got-relative addressing for anything but SImode.
8554 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8555 even if the calling function doesn't modify them.
8557 2006-04-05 Richard Guenther <rguenther@suse.de>
8559 PR tree-optimization/26919
8560 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8561 to cgraph_estimate_size_after_inlining.
8563 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8565 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8567 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8569 PR tree-optimization/26996
8570 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8571 VECTOR_TYPE variables.
8573 2006-04-05 Richard Guenther <rguenther@suse.de>
8575 PR tree-optimization/26763
8576 * fold-const.c (fold_comparison): Move folding of
8577 PTR + CST CMP PTR + CST ...
8578 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8580 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8582 * doc/install.texi (Prerequisites): Refine some wording on
8583 bootstrapping and ksh.
8584 Move the version numbers of DejaGnu here from the testing section
8585 and fix casing of names.
8586 Fix markup and clarify wording for autogen requirements.
8587 Refer to GCJ instead of just java.
8588 Refer to SVN instead of CVS.
8589 Describe diffutils as useful instead of necessary.
8590 (Downloading the source): Refer to SVN instead of CVS.
8591 Adjust a link to our web site accordingly.
8592 (Configuration): Fix casing of Bison.
8593 (Building): Refer to SVN instead of CVS.
8594 Fix a sentence on the use of Bison and remove duplicate (and
8595 incorrect) version number of Bison requirement.
8596 Remove one redundant list of packages needed for building.
8597 (Specific): Avoid reference to CVS.
8599 2006-04-04 Eric Christopher <echristo@apple.com>
8601 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8602 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8603 (rs6000_handle_struct_attribute): New.
8604 (rs6000_ms_bitfield_layout_p): Ditto.
8606 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8608 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8609 NULL for dso parameter to atexit_common.
8611 2006-04-04 Eric Christopher <echristo@apple.com>
8613 * config/i386/i386.c (machopic_output_stub): Output \t
8614 between instructions and operands.
8616 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8618 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8619 satisfies_constraint_[IL] to explicit tests on value.
8621 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8623 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8624 set_nb_iterations_in_loop): Use build_int_cst instead of
8626 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8627 build_int_cst instead of convert.
8629 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8631 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8632 new value 2 for incoming.
8633 * function.c (expand_function_start): Call struct_value_rtx
8635 * config/sparc/sparc.md: Comment updated_return.
8636 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8637 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8638 struct return if sparc_std_struct_return and incoming is 2.
8639 (print_operand): Do not adjust return if
8640 sparc_std_struct_return.
8642 2006-04-04 Roger Sayle <roger@eyesopen.com>
8644 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8645 convert in the middle-end.
8646 * expr.c (store_expr, store_constructor, get_inner_reference,
8647 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8649 * tree.c (build_range_type): Likewise.
8651 2006-04-04 Tom Tromey <tromey@redhat.com>
8653 * doc/install.texi (Prerequisites): Mention jar.
8655 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8657 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8660 2006-04-04 Matthias Klose <doko@debian.org>
8662 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8666 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8669 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8671 * doc/extend.texi (Function Attributes): Rewrite visibility
8672 attribute documentation.
8673 * doc/invoke.texi (C++ Dialect Options): Rewrite
8674 -fvisibility-inlines-hidden documentation to describe something
8675 entirely different, although in practise compatible.
8676 (Code Gen Options): Warn about system headers in -fvisibility=
8679 * doc/extend.texi (Other Builtins): Document that
8680 __builtin_nan is a compile-time constant only when its argument
8683 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8685 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8686 trying to remove TRUNCATE check if all bits outside the new mode
8687 are identical to the sign bit.
8689 2006-04-03 Jeff Law <law@redhat.com>
8691 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8692 and operand scanning in some common cases.
8694 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8695 Dale Johannesen <dalej@apple.com>
8698 * regclass.c (struct reg_pref): Update documentation.
8699 (regclass): Set prefclass to NO_REGS if memory is the best option.
8700 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8701 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8702 into account. For non-registers, equate an empty preferred
8703 reload class to a `!' in the constraint; move the if clause to
8704 do so after those that reject the insn.
8705 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8707 (find_dummy_reload): Likewise.
8708 * doc/tm.texi (Register Classes): Document what it means
8709 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8710 * config/i386/i386.c (ix86_preferred_reload_class): Force
8711 using SSE registers (and return NO_REGS for floating-point
8712 constants) if math is done with SSE.
8713 (ix86_preferred_output_reload_class): New.
8714 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8715 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8716 * config/i386/i386.md: Remove # register preferences.
8718 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8721 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8722 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8723 the type of nb_iter.
8724 (instantiate_parameters_1): Convert the operands before calling
8725 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8726 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8728 2006-04-02 Roger Sayle <roger@eyesopen.com>
8730 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8731 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8733 * dojump.c (do_jump): Likewise.
8734 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8735 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8736 gimplify_boolean_expr): Likewise.
8737 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8738 * varasm.c (array_size_for_constructor): Likewise.
8739 * tree-object-size.c (compute_object_offset): Likewise.
8741 2006-04-02 Roger Sayle <roger@eyesopen.com>
8744 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8745 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8749 PR tree-optimization/26939
8750 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8752 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8754 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8755 at_stmt. Convert the type of operands before calling
8756 build_polynomial_chrec.
8757 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8759 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8760 (instantiate_parameters_1): Convert the type of operands before calling
8761 build_polynomial_chrec.
8762 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8763 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8764 reset_evolution_in_loop): Insert asserts to check the types of the
8766 (chrec_type): Moved...
8767 (eq_evolutions_p): Use operand_equal_p.
8768 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8769 the types of the operands.
8770 (chrec_type): ...here.
8771 * tree-data-ref.c (create_data_ref): Convert the operands before
8772 calling chrec_replace_initial_condition.
8773 (same_access_functions, analyze_subscript_affine_affine,
8774 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8775 (compute_subscript_distance, analyze_ziv_subscript,
8776 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8777 analyze_miv_subscript): Convert the operands before calling
8778 chrec_fold_minus or chrec_fold_plus.
8780 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8782 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8783 the dependence_relations vector.
8784 (compute_data_dependences_for_loop): Adjust call to
8785 compute_all_dependences.
8787 2006-04-01 Roger Sayle <roger@eyesopen.com>
8788 Richard Henderson <rth@redhat.com>
8790 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8791 gimple_boolify on the condition before calling gimplify_expr.
8793 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8795 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8796 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8797 the frame size. Update to use the new macros.
8798 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8799 * config/xtensa/ieee754-df.S: Likewise.
8801 2006-03-31 Richard Henderson <rth@redhat.com>
8803 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8804 (make_edges): ... here. Control fallthru creation with a local
8805 variable. Do not play with fake edges.
8806 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8807 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8810 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8812 * dwarf2.h (DW64_CIE_ID): Define.
8813 * dwarf2out.c (DWARF_CIE_ID): Define.
8814 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8815 length header. Use DWARF_CIE_ID.
8816 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8817 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8819 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8821 * config/sh/linux-atomic.asm: New file.
8822 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8824 2006-03-31 DJ Delorie <dj@redhat.com>
8826 * config/m32c/cond.md: Set condition flags properly throughout.
8827 * config/m32c/minmax.md: Likewise.
8828 * config/m32c/prologue.md: Likewise.
8829 * config/m32c/bitops.md: Likewise.
8830 * config/m32c/muldiv.md: Likewise.
8831 * config/m32c/mov.md: Likewise.
8832 * config/m32c/addsub.md: Likewise.
8833 * config/m32c/m32c.md: Likewise.
8834 * config/m32c/jump.md: Likewise.
8835 * config/m32c/shift.md: Likewise.
8837 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8838 conditionally output the pattern for this.
8839 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8840 (m32c_compare_redundant): New.
8841 (m32c_output_compare): New.
8842 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8844 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8845 dest, not src. Allow other 4-byte modes.
8847 2006-03-30 Denis Chertykov <denisc@overta.ru>
8849 * doc/md.texi: Refer to avr/constraints.md instead of
8852 2006-03-30 Roger Sayle <roger@eyesopen.com>
8854 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8855 signed vs. unsigned comparison failures on some hosts.
8857 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8860 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8861 change to FLOAT_REGS.
8863 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8864 (rs6000_override_options): Use it.
8865 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8866 only for -mabi=spe/no-spe and -mabi=altivec.
8868 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8870 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8873 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8875 * Makefile.in: Rename docdir to gcc_docdir.
8877 2006-03-30 Roger Sayle <roger@eyesopen.com>
8880 * expr.c (emit_group_store): Optimize group stores into a pseudo
8881 register by using a paradoxical subreg to initialize the destination
8882 if the first or last member of the group specifies a "low part".
8884 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8887 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8888 * target.h (struct gcc_target.speculate_insn): Change type of the
8889 second parameter to 'int'.
8890 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8891 the second operand of the DEPS_LIST.
8892 (copy_DEPS_LIST_list): Update reference to the second operand of the
8894 * rtl.h (alloc_DEPS_LIST): Update signature.
8895 * sched-int.h (ds_t): Change typedef to 'int'.
8896 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8898 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8900 * haifa-sched.c (try_ready): Change condition to restore
8901 non-speculative pattern of the instruction.
8902 (process_insn_depend_be_in_spec): Code to keep probability of the
8903 speculative dependence non-decreasing.
8905 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8907 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8908 (single_move_for_movmem): ... this. Also change all uses.
8909 (bfin_expand_strmov): Renamed to...
8910 (bfin_expand_movmem): ... this. Also change all uses.
8911 * config/bfin/bfin.md (movstrsi): Renamed to...
8912 (movstrsi): ...this.
8914 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8916 PR tree-optimization/26830
8918 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8919 (copy_prop_visit_stmt): Remove write-only variable ann.
8920 (init_copy_prop): Check variable loop depth here. Do not simulate
8921 memory-tag and virtual operand PHIs except for store copy prop.
8923 2006-03-30 Richard Guenther <rguenther@suse.de>
8925 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8926 variants with double arguments.
8928 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8930 * genpreds.c (write_tm_constrs_h): Delete variable p.
8931 * genconditions.c (write_header): Add tm-constrs.h to included
8933 * genpeep.c (main): Add toplev.h to included headers.
8934 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8935 (build/genpeep.o): Add toplev.h dependency.
8936 * config/rs6000/constraints.md: Add "W" constraint.
8938 2006-03-29 Roger Sayle <roger@eyesopen.com>
8940 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8941 sizes by correctly testing whether the size fits a host integer.
8942 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8943 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8944 SImode range for the default sizetype and bitsizetype.
8946 2006-03-29 Roger Sayle <roger@eyesopen.com>
8948 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8949 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8950 quickly if the argument is already of the correct type.
8951 Call fold_build1 instead of build1. Tidy up blank lines.
8953 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8955 * genemit.c (main): Add tm-constrs.h to included headers.
8956 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8957 * genpeep.c (main): Add tm-constrs.h to included headers.
8958 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8959 (write_tm_constrs_h): this and write complete file.
8960 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8961 (write_insn_preds_c): Add tm-constrs.h to included headers.
8962 (gen_constrs): New variable.
8963 (parse_option): Parse "-c".
8964 (main): Invoke write_tm_constrs_h.
8965 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8966 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8967 (object_out_file): Add tm-constrs.h dependency.
8968 (insn-emit.o): Same.
8969 (insn-output.o): Same.
8970 (insn-peep.o): Same.
8971 (insn-preds.o): Same.
8972 (insn-recog.o): Same.
8973 (tm-constsr.h): New target.
8974 (s-constrs-h): New target.
8976 * config/rs6000/constraints.md: New file.
8977 * config/rs6000/rs6000.c: Include tm-constrs.h.
8978 (num_insn_constant_wide): Convert to satisfies_constraint.
8979 (rs6000_rtx_costs): Convert to satisfies_constraint.
8980 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8981 (CONST_OK_FOR_LETTER_P): Delete.
8982 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8983 (EXTRA_CONSTRAINT): Delete.
8984 (EXTRA_MEMORY_CONSTRAINT): Delete.
8985 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8986 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8987 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8988 satisfies_constraint.
8990 * config/i386/i386.c: Include tm-constrs.h.
8992 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8994 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8995 * tree-data-ref.c (find_data_references_in_loop,
8996 compute_data_dependences_for_loop): Use pointers to VEC.
8997 (analyze_all_data_dependences): Adjust calls.
8998 * tree-data-ref.h (find_data_references_in_loop,
8999 compute_data_dependences_for_loop): Adjust declarations.
9000 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9001 compute_data_dependences_for_loop.
9003 2006-03-29 Paul Brook <paul@codesourcery.com>
9005 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9008 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9010 PR tree-optimization/26859
9011 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9013 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9014 for the step after fold_convert.
9016 2006-03-29 Paul Brook <paul@codesourcery.com>
9018 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9019 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9021 2006-03-29 Paul Brook <paul@codesourcery.com>
9024 * targhooks.c (default_narrow_bitfield): New fuction.
9025 * targhooks.h (default_narrow_bitfield): add prototype.
9026 * target.h (gcc_target): Add narrow_volatile_bitfield.
9027 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9028 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9029 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9030 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9032 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9034 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9036 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9037 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9038 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9039 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9040 (s390_function_arg_float): Allow SDmode and DDmode values to be
9041 passed in floating point registers.
9042 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9043 check with SCALAR_FLOAT_MODE_P.
9044 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9046 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9048 PR tree-optimization/25985
9049 * tree-ssa-loop-niter.c (number_of_iterations_le,
9050 number_of_iterations_ne): Make comments more precise.
9051 (number_of_iterations_cond): Add only_exit argument. Use the
9052 fact that signed variables do not overflow only when only_exit
9054 (loop_only_exit_p): New.
9055 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9056 number_of_iterations_cond.
9058 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9060 PR tree-optimization/26643
9061 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9064 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9066 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9067 (divsi3_i4_int): Likewise.
9069 2006-03-28 Roger Sayle <roger@eyesopen.com>
9071 * expr.c (emit_group_store): Only create a new pseudo reg if the
9072 quantity it needs to hold isn't already a suitable pseudo.
9074 2006-03-28 Jeff Law <law@redhat.com>
9076 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9077 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9079 2006-03-28 Roger Sayle <roger@eyesopen.com>
9081 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9082 the equivalent ~X & Y, and the symmetry related transformations.
9083 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9084 ~X & Y, and symmetry related transforms.
9086 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9088 Revert my 2006-03-27 patches.
9090 2006-03-28 Roger Sayle <roger@eyesopen.com>
9092 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9093 ~(T1)X, when T1 and T2 are integer types of the same precision
9094 and (T2)X isn't an extension.
9096 2006-03-28 Jeff Law <law@redhat.com>
9098 PR tree-optimization/26796
9099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9100 need EH edge cleanups rather than purging them immediately.
9101 (eliminate_degenerate_phis): Handle queued EH cleanups.
9103 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9105 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9108 2006-03-27 Roger Sayle <roger@eyesopen.com>
9111 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9112 cast BIT_NOT_EXPR operand to the correct type.
9114 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9116 * tree-loop-linear.c: Don't include varray.h.
9117 (gather_interchange_stats, try_interchange_loops,
9118 linear_transform_loops): Use VEC instead of VARRAY.
9119 * lambda-mat.c: Don't include varray.h.
9120 * tree-chrec.c: Same.
9121 * lambda-trans.c: Same.
9122 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9123 VEC instead of VARRAY.
9124 * tree-vectorizer.h: Idem.
9125 * tree-data-ref.c (dump_data_references,
9126 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9127 initialize_data_dependence_relation, finalize_ddr_dependent,
9128 compute_all_dependences, find_data_references_in_loop,
9129 compute_data_dependences_for_loop, analyze_all_data_dependences,
9130 free_dependence_relation, free_dependence_relations,
9131 free_data_refs): Idem.
9132 * tree-data-ref.h (data_reference_p, subscript_p): New.
9133 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9134 VEC instead of VARRAY.
9135 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9136 (find_data_references_in_loop, compute_data_dependences_for_loop,
9137 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9138 dump_data_dependence_relations, free_dependence_relations,
9139 free_data_refs): Adjust declaration.
9140 (lambda_transform_legal_p): Move declaration here...
9141 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9142 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9143 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9144 vect_analyze_data_refs): Use VEC instead of VARRAY.
9145 * lambda.h (lambda_transform_legal_p): ...from here.
9146 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9147 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9148 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9149 tree-chrec.o): Don't depend on VARRAY_H.
9151 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9153 * rtl.def (Copyright): Update date.
9154 (DEPS_LIST): Change type of the second operand to 'int'.
9155 * target.h (Copyright): Update date.
9156 (struct gcc_target.speculate_insn): Change type of the second parameter
9158 * lists.c (Copyright): Update date.
9159 (alloc_DEPS_LIST): Change signature. Update reference to the second
9160 operand of the DEPS_LIST.
9161 (copy_DEPS_LIST_list): Update reference to the second operand of the
9163 * rtl.h (Copyright): Update date.
9164 (alloc_DEPS_LIST): Update signature.
9165 * sched-int.h (Copyright): Update date.
9166 (ds_t): Change typedef to 'int'.
9167 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9169 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9171 * haifa-sched.c (Copyright): Update date.
9172 (try_ready): Change condition to restore non-speculative pattern
9174 (process_insn_depend_be_in_spec): Code to keep probability of the
9175 speculative dependence non-decreasing.
9177 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9179 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9180 shut up the compiler.
9182 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9184 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9185 to use lib prefix for target.
9186 ($(T)libic_invalidate_array_4-200.a): Likewise.
9187 ($(T)libic_invalidate_array_4a.a): Likewise.
9189 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9190 J"orn Rennecke <joern.rennecke@st.com>
9192 * superh.opt: New file.
9193 * sh.c (boardtype, osruntime): Remove.
9194 * superh.h (SUBTARGET_OPTIONS): Remove.
9195 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9197 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9198 arguments with ^ and/or [].
9200 * config.gcc (sh-*-*): Add quoting to account for quirk of
9202 Replace == with = in enable_incomplete_targets test.
9204 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9205 with MASK_LITTLE_ENDIAN.
9207 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9208 * config/sh/sh.opt: Added to some comments.
9209 * config/sh/superh.h: Removed some chaff.
9211 * config/sh/sh.opt: Add m4-[1234]00* options.
9212 * config/sh/sh.c (sh_handle_option): Likewise.
9213 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9214 (ic_invalidate_array_4-100.o): New rule.
9215 ($(T)libic_invalidate_array_4-100.a): Likewise.
9216 (ic_invalidate_array_4-200.o): Likewise.
9217 ($(T)libic_invalidate_array_4-200.a): Likewise.
9218 (ic_invalidate_array_4a.o): Likewise.
9219 ($(T)libic_invalidate_array_4a.a): Likewise.
9220 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9221 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9223 * config/sh/crt1.asm: Merged in profiling code.
9224 * config/sh/superh.h (STARTFILE_SPEC): Override.
9225 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9226 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9227 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9229 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9230 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9231 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9233 * sh.opt (mpretend-cmove): New option.
9234 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9235 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9236 (movsicc): Add TARGET_PRETEND_CMOVE code.
9238 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9240 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9241 s390_class_max_nregs): New function prototypes.
9242 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9243 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9244 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9245 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9247 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9249 * dwarf2out.c (add_location_or_const_value_attribute): Call
9250 tree_add_const_value_attribute if nothing else works.
9251 (reference_to_unused): New.
9252 (rtl_for_decl_init): Use reference_to_unused to decide whether
9253 to output an initializer.
9255 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9258 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9259 peephole removing spe frob_di_df_2.
9261 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9263 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9264 (subscript_dependence_tester_1): Declared.
9265 (print_dir_vectors, print_dist_vectors): New.
9266 (debug_data_dependence_relation): New.
9267 (dump_data_dependence_relation): Print more details.
9268 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9269 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9270 (save_dist_v, save_dir_v, add_outer_distances,
9271 build_classic_dist_vector_1): New.
9272 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9273 Don't test for lambda_vector_lexico_pos.
9274 (same_access_functions, add_multivariate_self_dist,
9275 add_other_self_distances, dir_from_dist): New.
9276 (build_classic_dir_vector): Replace implementation almost identical to
9277 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9279 (subscript_dependence_tester_1): New.
9280 (subscript_dependence_tester): Handle the lexicographically negative
9281 distance vectors by recomputing the dependence relation.
9282 (compute_affine_dependence): Remove parameter loop_nest_depth.
9283 (compute_self_dependence): Don't call compute_subscript_distance.
9284 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9285 Add a parameter for the loop_nest.
9286 (find_loop_nest_1, find_loop_nest): New.
9287 (compute_data_dependences_for_loop): Compute the loop nest, and give
9288 up if the nest is not well formed.
9289 * tree-data-ref.h (loop_p): New.
9290 (struct data_dependence_relation): Replace size_vect field with
9291 loop_nest, a vec of loops.
9292 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9293 (DDR_LOOP_NEST): New.
9294 (print_dir_vectors, print_dist_vectors,
9295 debug_data_dependence_relation): Declared.
9296 (index_in_loop_nest): New.
9297 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9298 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9301 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9303 * simplify-rtx.c (simplify_relational_operation): Call
9304 simplify_relational_operation_1 even if mode is VOIDmode.
9306 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9308 PR tree-optimization/26804
9309 * tree.h (DECL_CALL_CLOBBERED): New macro.
9310 (tree_decl_common): Add call_clobbered_flag.
9311 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9312 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9313 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9314 (mark_non_addressable): Ditto.
9315 * tree-ssa.c (verify_call_clobbered): New function.
9316 (verify_alias_info): Use it.
9317 * tree-pass.h (pass_reset_cc_flags): New prototype.
9318 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9319 (reset_cc_flags): New function.
9320 * passes.c (init_optimization_passes): Call reset_cc_flags after
9321 initializing referenced_vars.
9323 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9324 Roger Sayle <roger@eyesopen.com>
9327 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9328 to 1.0 for non-real operands. Implement A / A optimization for
9331 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9333 * config/i386/i386.c (size_cost): Correct the comment for
9334 cost of storing fp registers.
9335 (i386_cost): Likewise.
9336 (i486_cost): Likewise.
9337 (pentium_cost): Likewise.
9338 (pentiumpro_cost): Likewise.
9339 (k6_cost): Likewise.
9340 (athlon_cost): Likewise.
9341 (k8_cost): Likewise.
9342 (pentium4_cost): Likewise.
9343 (nocona_cost): Likewise.
9344 (generic64_cost): Likewise.
9345 (generic32_cost): Likewise.
9347 2006-03-24 Denis Chertykov <denisc@overta.ru>
9349 * config/avr/avr-protos.h (extra_constraint): Delete.
9350 (extra_constraint_Q): New declaration.
9351 * config/avr/constraints.md: New file.
9352 * config/avr/avr.md: Include it.
9353 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9354 (TMP_REGNO, ZERO_REGNO): Likewise.
9355 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9356 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9357 (extra_constraint): Delete.
9358 (extra_constraint_Q): Test for memory constraint 'Q'.
9359 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9360 (REG_CLASS_FROM_LETTER): Delete.
9361 (CONST_OK_FOR_LETTER_P): Delete.
9362 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9363 (EXTRA_CONSTRAINT): Delete.
9364 (TMP_REGNO): Delete.
9365 (ZERO_REGNO): Delete.
9367 2006-03-24 Jeff Law <law@redhat.com>
9369 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9370 directly. Call mark_new_vars_to_rename slightly earlier.
9372 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9374 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9376 (gen_compile_unit_die): Use new language types for Objective-C and
9378 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9379 DW_LANG_C_plus_plus.
9382 * config/t-darwin (crt3.o): Work around bug 26840.
9383 * config/darwin-crt3.c: Rewrite.
9384 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9386 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9388 * doc/invoke.texi: Document -femit-class-debug-always
9389 * common.opt: Add -femit-class-debug-always.
9391 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9393 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9394 index and base register.
9395 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9396 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9397 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9398 REGNO_OK_FOR_INDEX_P.
9399 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9401 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9402 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9403 REG_OK_FOR_BASE_P): Definitions removed.
9405 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9408 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9409 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9410 set yet or weren't marked as local yet.
9412 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9414 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9417 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9419 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9420 (rs6000_legitimate_small_data_p): Delete.
9421 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9422 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9423 and make static. Add forward declaration. Update uses.
9424 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9425 of offsettable_memref_p.
9426 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9427 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9429 2006-03-24 Jeff Law <law@redhat.com>
9431 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9432 around bug in immediate-use iterator.
9434 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9437 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9438 or __LITTLE_ENDIAN__.
9440 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9442 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9443 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9444 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9445 * config/sh/sh.opt (mdiv=): Amend description.
9446 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9447 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9448 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9449 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9450 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9451 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9452 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9453 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9454 TARGET_DIVIDE_CALL_FP.
9456 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9458 * haifa-sched.c (choose_ready): Fix type of the local variable.
9459 Move local variables. Add comment.
9460 (check_reg_live): Change signature. Make callable from debugger.
9461 * sched-int.h (check_reg_live): Update signature.
9462 * sched-ebb.c (check_reg_live): Update parameters.
9463 * sched-rgn.c (check_reg_live): Ditto.
9464 (region_head_or_leaf_p): Check pointer before dereferencing.
9465 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9466 before reload on optimization levels below 1.
9468 2006-03-23 Richard Henderson <rth@redhat.com>
9470 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9474 * config/alpha/predicates.md (local_symbolic_operand): Reject
9477 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9480 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9481 expressions which have overflowed constants.
9483 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9485 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9487 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9489 * cfgloopmanip.c (create_loop_notes): Removed.
9490 * final.c (final_scan_insn): Do not handle loop notes.
9491 * jump.c (squeeze_notes): Ditto.
9492 * cfglayout.c (skip_insns_after_block,
9493 duplicate_insn_chain): Ditto.
9494 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9496 * cfgloop.h (create_loop_notes): Declaration removed.
9498 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9500 * varasm.c (output_constant_pool): Restore fnname and fndecl
9502 (assemble_start_function): Adjust call accordingly.
9503 (assemble_end_function): Likewise.
9505 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9508 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9511 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9513 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9516 * system.h (ICE_EXIT_CODE): New macro.
9517 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9518 (diagnostic_action_after_output): Likewise.
9519 * gcc.c (fatal_ice): New function.
9520 (execute): Use it instead of fatal.
9521 (fancy_abort): Likewise.
9522 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9524 2006-03-22 Jeff Law <law@redhat.com>
9526 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9527 iv_analyze_result returning false.
9529 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9531 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9533 2006-03-22 Richard Henderson <rth@redhat.com>
9536 * except.c (duplicate_eh_regions_0): New.
9537 (duplicate_eh_region_1): Duplicate the children of the node as
9538 well as the node itself. Link them up properly.
9539 (duplicate_eh_region_2): Merge into ...
9540 (duplicate_eh_regions): ... here. Take copy_region argument, and
9541 copy only a sub-tree if asked. Simplify copying and fixup.
9542 (eh_region_outer_p): New.
9543 * except.h (duplicate_eh_regions): Update decl.
9544 (eh_region_outer_p): Declare.
9545 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9546 (lower_omp_master): Likewise.
9547 (lower_omp_ordered): Likewise.
9548 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9549 (move_stmt_r): Use it to remap labels. Handle recursion vs
9550 remap_decls_p properly.
9551 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9552 (find_outermost_region_in_block): New.
9553 (new_label_mapper): New.
9554 (move_sese_region_to_fn): Copy eh information to the new function
9556 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9558 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9561 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9563 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9564 into shared libraries.
9566 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9568 * doc/md.texi: Refer to i386/constraints.md instead of
9570 * config/i386/constraints.md: New file, extracted from...
9571 * config/i386/predicates.md: ...here.
9572 * config/i386/i386.md: Include constraints.md.
9574 2006-03-21 Jason Merrill <jason@redhat.com>
9576 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9579 * expr.c (init_block_move_fn): Force default visibility.
9580 (init_block_clear_fn): Likewise.
9581 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9582 * targhooks.c (default_external_stack_protect_fail): Likewise.
9584 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9586 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9587 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9588 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9589 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9590 (loadgp): Use mips_current_loadgp_style.
9591 (loadgp_noshared): New pattern.
9592 (sibcall_internal): Use MIPS_CALL.
9593 (sibcall_value_internal): Likewise.
9594 (sibcall_value_multiple_internal): Likewise.
9595 (call_internal): Likewise.
9596 (call_value_internal): Likewise.
9597 (call_value_multiple_internal): Likewise.
9598 (call_split): Use MIPS_CALL and add an 'S' constraint.
9599 (call_value_split): Likewise.
9600 (call_value_multiple_split): Likewise.
9601 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9602 (-mshared): New option.
9603 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9604 (mips_current_loadgp_style): Declare.
9605 * config/mips/mips.c (mips_classify_symbol): Avoid using
9606 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9607 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9608 TARGET_ABSOLUTE_ABICALLS.
9609 (override_options): Adjust comments. Improve the warning that is
9610 issued when -mabicalls and -G are used together.
9611 (mips_file_start): Remove comment.
9612 (mips_current_loadgp_style): New function.
9613 (mips_gnu_local_gp): New variable.
9614 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9616 (mips_output_function_prologue): Use mips_current_laodgp_style.
9617 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9618 the cprestore instruction.
9619 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9620 live for TARGET_ABSOLUTE_ABICALLS.
9621 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9622 (ASM_SPEC): Pass down -mshared and -mno-shared.
9623 (MIPS_CALL): New macro.
9624 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9626 * doc/invoke.texi (-mabicalls): Update documentation.
9627 (-mshared): Document.
9629 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9631 * config/ia64/unwind-hpux.c: New file.
9632 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9634 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9637 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9639 2006-03-21 Jeff Law <law@redhat.com>
9641 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9642 type conversions of a VR_VARYING source to a wider type.
9644 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9646 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9647 tm_file on Solaris 10 and later.
9648 (sparc64-*-solaris2*): Likewise.
9649 (sparc-*-solaris2*): Likewise.
9650 * config/sol26.h: Rename to config/sol2-6.h.
9651 * config/sol2-10.h: New file.
9653 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9656 * tree-ssa-pre.c (create_component_ref_by_pieces):
9659 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9662 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9663 return it immediately.
9665 2006-03-21 Michael Matz <matz@suse.de>
9667 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9669 (remove_arc, add_arc): Update num_out_arcs member.
9670 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9672 (cache_presence): New function.
9673 (compare_states_for_equiv): New function.
9674 (state_is_differed): Don't take number of outargs, adjust callers.
9675 Use new invariant for speeding up.
9676 (init_equiv_class): Create initial classes based on sorted
9678 (partition_equiv_class): Don't track out_arcs_num.
9679 (evaluate_equiv_classes): Call cache_presence on all states and
9682 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9684 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9685 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9686 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9687 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9689 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9690 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9691 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9692 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9693 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9695 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9696 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9697 (REGNO_REG_CLASS): ARGP is in PREGS.
9698 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9700 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9701 to deal with those addresses.
9702 * addresses.h: New file.
9703 * caller-save.c: Include "addresses.h".
9704 (init_caller_save): Use new base_reg_class function.
9705 * rtl-factoring.c: Include "addresses.h".
9706 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9707 * recog.c: Include "addresses.h".
9708 (preprocess_constraints): Use new base_reg_class function.
9709 * regrename.c: Include "addresses.h".
9710 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9711 functions. Keep track of a new var INDEX_CODE to compute valid
9713 (replace_oldest_value_addr): Likewise.
9714 (replace_oldest_value_mem): Use base_reg_class.
9715 * reload.c: Include "addresses.h".
9716 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9717 (find_reloads): Use new base_reg_class function.
9718 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9719 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9720 all callers and prototype changed.
9721 * reload1.c: Include "addresses.h".
9722 (maybe_fix_stack_asms): Use base_reg_class.
9723 * regclass.c: Include "addresses.h".
9724 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9725 (init_reg_autoinc): Use new base_reg_class function.
9726 (record_reg_classes): Likewise.
9727 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9728 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9729 Use new args to compute necessary class.
9731 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9732 regrename.o, rtl-factoring.o): Update dependencies.
9733 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9734 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9735 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9736 REG_OK_FOR_INDEX_P): Delete documentation.
9738 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9740 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9741 from V7 to V9 for Solaris 7 and above.
9743 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9745 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9746 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9747 argument pointers may not alias any other storage.
9748 * common.opt: Define option -fargument-noalias-anything.
9749 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9750 alias semantics is specified by flag_argument_noalias > 2.
9752 2006-03-20 Jeff Law <law@redhat.com>
9754 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9755 (pass_phi_only_cprop): Declare.
9756 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9758 * tree-ssa-dom.c (degenerate_phi_result): New function.
9759 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9760 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9761 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9762 (eliminate_degenerate_phis): Likewise.
9763 (pass_phi_only_cprop): New pass descriptor.
9764 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9765 support code. Callers updated.
9766 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9767 (store_copy_prop): Likewise.
9768 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9770 2006-03-20 Jason Merrill <jason@redhat.com>
9773 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9774 (push_visibility, pop_visibility): Likewise.
9775 * c-pragma.h: Declare them.
9777 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9779 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9781 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9782 parameter and use get_ebb_head_tail.
9783 (sh_md_init_global): Adjust uses of find_regmode_weight.
9785 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9787 * function.h (struct function) <x_tail_recursion_reentry>:
9788 Rename to x_stack_check_probe_note.
9789 (tail_recursion_reentry): Rename to stack_check_probe_note.
9790 * function.c: Replace tail_recursion_reentry with
9791 stack_check_probe_note everywhere.
9792 (expand_function_start): Only emit a note for
9793 stack_check_probe_note with -fstack-protect.
9794 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9796 * emit-rtl.c (remove_unnecessary_notes): Remove.
9797 (pass_remove_unnecessary_notes): Remove.
9798 * rtl.h (remove_unnecessary_notes): Remove prototype.
9799 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9800 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9801 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9803 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9806 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9807 (valid_in_set): Handle ARRAY_REF.
9808 Change "if min_variant or VH" to asserts.
9809 (create_component_ref_by_pieces): Handle ARRAY_REF.
9810 (create_expression_by_pieces): Likewise.
9811 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9813 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9815 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9816 is operand of switch, not str[0].
9818 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9820 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9821 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9823 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9825 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9826 end of insn_extra_address_constraint declaration.
9828 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9830 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9831 (no-sum-in-toc): Same.
9832 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9834 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9835 NO_FP_IN_TOC for -fPIC instead of mask.
9837 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9838 (BOOT_LDFLAGS): Delete.
9840 * config/rs6000/t-aix52: Same.
9842 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9843 (stmsi[345678]_power): New.
9845 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9847 * config/ia64/ia64.opt: Add empty line to end of file.
9849 2006-03-17 Richard Guenther <rguenther@suse.de>
9852 * builtins.c (get_pointer_alignment): For component style references
9853 adjust alignment to the component type alignment. Make sure
9854 to adjust alignment for component access of constants.
9856 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9858 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9861 2006-03-17 Paul Brook <paul@codesourcery.com>
9863 * doc/install.texi: Docuemnt --with-mode.
9864 * config.gcc: Add --with-mode for arm*-*-*.
9865 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9867 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9869 * sh.c (max_labelno_before_reorg): New variable.
9870 (sh_reorg): Initialize it.
9871 (find_barrier): Check max_labelno_before_reorg before using
9872 label_to_alignment. Take length of explicit alignment insns
9873 into account. When seeing a UNSPECV_CONST_END, return it.
9875 * sh.c (fixup_mova): Set mode of affected label to QImode.
9876 (untangle_mova): New function.
9877 (find_barrier): Use it. Check mode of label before decrementing
9879 (sh_reorg): Likewise.
9880 Set mode of all insns back to VOIDmode.
9882 * sh.c (MOVA_LABELREF): New macro.
9883 (mova_p, fixup_mova, sh_reorg): Use it.
9884 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9885 ADDR_DIFF_VEC matches mova.
9887 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9889 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9890 with ATTRIBUTE_UNUSED.
9892 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9894 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9895 pointer, instead of assuming it is possible to derive the
9896 correct args size from a call insn.
9898 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9900 * rtl.h (CONST_INT_P): Define.
9901 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9902 instead of GET_CODE(x) == CONST_INT.
9903 (vax_rtx_costs): Likewise.
9904 (vax_output_int_move): Likewise.
9905 (vax_output_int_add): Likewise.
9906 (legitimate_constant_address_p): Likewise.
9907 (index_term_p): Likewise.
9908 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9909 * config/vax/vax.md (and<mode>3): Likewise.
9910 (ashrsi3): Likewise.
9912 (movstricthi): Likewise.
9913 (movstrictqi): Likewise.
9914 (rotrsi3): Likewise.
9915 (five unnamed insns): Likewise.
9917 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9919 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9920 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9921 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9922 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9923 Pass to ASM_OUTPUT_DWARF_OFFSET.
9924 * dwarf2out.c (debug_frame_section): New.
9925 (output_call_frame_info): Use debug_frame_section. Pass it to
9926 dw2_asm_output_offset.
9927 (output_die): Pass appropriate section to dw2_asm_output_offset.
9928 (output_compilation_unit_header): Likewise.
9929 (output_pubnames): Likewise.
9930 (output_aranges): Likewise.
9931 (enum dw_val_class): Break dw_val_class_lbl_offset into
9932 dw_val_class_lineptr and dw_val_class_macptr.
9933 (add_AT_lbl_offset): Delete.
9934 (add_AT_lineptr): New.
9935 (add_AT_macptr): New.
9936 (AT_lbl): Expect a lineptr or macptr.
9937 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9938 (attr_checksum): Likewise.
9939 (same_dw_val_p): Likewise.
9940 (size_of_die): Likewise.
9941 (value_format): Likewise.
9942 (output_die): Likewise.
9943 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9945 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9946 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9947 * config/darwin-protos.h (darwin_file_start): New.
9948 (darwin_asm_output_dwarf_offset): New.
9949 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9950 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9952 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9953 if not EH section; simplify.
9954 (darwin_file_start): New.
9955 (darwin_asm_output_dwarf_offset): New.
9956 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9958 (DEBUG_INFO_SECTION): Likewise.
9959 (DEBUG_ABBREV_SECTION): Likewise.
9960 (DEBUG_ARANGES_SECTION): Likewise.
9961 (DEBUG_MACINFO_SECTION): Likewise.
9962 (DEBUG_LINE_SECTION): Likewise.
9963 (DEBUG_LOC_SECTION): Likewise.
9964 (DEBUG_PUBNAMES_SECTION): Likewise.
9965 (DEBUG_STR_SECTION): Likewise.
9966 (DEBUG_RANGES_SECTION): Likewise.
9967 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9968 (ASM_OUTPUT_DWARF_OFFSET): New.
9970 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9972 * config.gcc (tm_defines): Always add to previous value rather
9975 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9977 * config/mips/predicates.md (splittable_const_int_operand): New,
9978 split from move_operand.
9979 (splittable_symbolic_operand): New.
9980 (move_operand): Add commentary. Use splittable_const_int_operand.
9981 Inline mips_atomic_symbolic_constant_p.
9982 * config/mips/mips.md: Add combine splitters for handling moves
9983 of splittable_const_int_operands and splittable_symbolic_operands.
9984 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9985 (mips_split_symbol): Declare.
9986 (mips_move_integer): Declare.
9987 * config/mips/mips.c (mips_split_p): Make global.
9988 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9989 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9990 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9991 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9992 (mips_offset_within_object_p): Handle block symbols.
9993 (mips_atomic_symbolic_constant_p): Delete.
9994 (mips_cannot_force_const_mem): Return false for constants that
9995 mips_legitimize_move can handle.
9996 (mips_use_blocks_for_constant_p): New function.
9997 (mips_split_symbol): Make global.
9998 (mips_move_integer): Likewise. Add a temporary register argument.
9999 (mips_legitimize_const_move): Use splittable_const_int_operand and
10000 splittable_symbolic_operand.
10001 (mips_use_anchors_for_symbol_p): New function.
10002 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10003 (mips_split_p): Declare.
10005 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10007 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10008 (mips*-*-linux*): Likewise.
10010 2006-03-16 Roger Sayle <roger@eyesopen.com>
10011 Daniel Speyer <dspeyer@wam.umd.edu>
10013 PR middle-end/18259
10014 * tree-dump.c (dump_real): New function.
10015 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10016 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10017 (tree-dump.o): Add $(REAL_H) to the dependencies.
10019 2006-03-16 Roger Sayle <roger@eyesopen.com>
10021 PR middle-end/21781
10022 * real.c (real_from_string): If the mantissa is zero, don't bother
10023 parsing the exponent as the result should always be zero.
10025 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10027 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10029 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10031 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10032 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10033 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10034 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10035 ia64_sched_finish_global): New static functions to implement
10036 hooks from gcc_target.sched.
10037 (spec_check_no, max_uid, pending_data_specs): New static variables.
10038 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10039 ia64_spec_check_src_p): New static functions.
10040 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10041 (TARGET_SCHED_ADJUST_COST): Removed.
10042 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10043 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10044 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10045 TARGET_SCHED_GEN_CHECK,
10046 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10047 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10048 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10049 Fixed to handle speculation checks.
10050 (rtx_needs_barrier): Fixed to handle speculative loads and
10052 (ia64_variable_issue): Added code to count speculative loads and their
10054 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10056 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10058 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10060 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10061 (ia64_reorg): Reset stops_p to NULL after it is freed.
10062 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10063 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10064 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10066 (data_speculative, control_speculative, check_load): New attributes.
10067 (mov<mode>_advanced, mov<mode>_speculative,
10068 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10069 zero_extend<mode>di2_speculative,
10070 zero_extend<mode>di2_speculative_advanced): New patterns for
10071 data and control speculative loads.
10072 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10074 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10075 New pattern for data and control speculation checks.
10076 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10077 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10078 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10079 Auxiliary definitions for the patterns.
10080 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10081 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10083 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10085 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10086 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10087 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10088 New resource constraints.
10089 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10091 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10092 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10093 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10094 msched-in-control-spec, msched-ldc, msched-control-ldc,
10095 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10096 msched-prefer-non-control-spec-insns,
10097 msched-count-spec-in-critical-path): New flags to tune speculative
10099 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10100 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10101 msched-in-control-spec, msched-ldc, msched-control-ldc,
10102 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10103 msched-prefer-non-control-spec-insns,
10104 msched-count-spec-in-critical-path): Document new flags.
10106 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10108 * target.h (struct spec_info_def): New opaque declaration.
10109 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10110 speculate_insn, needs_block_p, gen_check,
10111 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10112 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10113 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10114 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10115 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10116 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10118 (TARGET_SCHED): Use new macros.
10119 * rtl.h (copy_DEPS_LIST_list): New prototype.
10120 * sched-int.h (struct sched_info): Change signature of new_ready field,
10121 adjust all initializations. New fields: add_remove_insn,
10122 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10123 region_head_or_leaf_p.
10124 (struct spec_info_def): New structure declaration.
10125 (spec_info_t): New typedef.
10126 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10127 recovery_block, orig_pat.
10128 (glat_start, glat_end): New variables declaraions.
10129 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10131 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10132 DETACH_LIFE_INFO, USE_GLAT.
10133 (enum SPEC_SCHED_FLAGS): New enumeration.
10134 (NOTE_NOTE_BB_P): New macro.
10135 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10136 attach_life_info, debug_spec_status, check_reg_live): New functions.
10137 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10138 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10140 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10141 * ddg.c (get_block_head_tail): Adjust all uses.
10142 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10143 (sms_sched_info): Initialize new fields.
10144 (contributes_to_priority): Removed.
10145 * haifa-sched.c (params.h): New include.
10146 (get_block_head_tail): Adjust all uses.
10147 (ISSUE_POINTS): New macro.
10148 (glat_start, glat_end): New global variables.
10149 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10150 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10151 old_last_basic_block, before_recovery, current_sched_info_var,
10152 rgn_n_insns, luid): New static variables.
10153 (insn_cost1): New function. Move logic from insn_cost to here.
10154 (find_insn_reg_weight1): New function. Move logic from
10155 find_insn_reg_weight to here.
10156 (reemit_notes, move_insn, max_issue): Change signature.
10157 (move_insn1): Removed.
10158 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10159 extend_bb): New static functions to support extension of scheduler's
10161 (generate_recovery_code, process_insn_depend_be_in_spec,
10162 begin_speculative_block, add_to_speculative_block,
10163 init_before_recovery, create_recovery_block, create_check_block_twin,
10164 fix_recovery_deps): New static functions to support
10165 generation of recovery code.
10166 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10167 restore_bb_notes, move_block_after_check, move_succs): New static
10168 functions to support ebb scheduling.
10169 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10170 functions to support handling of register live information.
10171 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10172 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10173 add_jump_dependencies): New static functions.
10174 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10175 consistancy checking.
10176 (debug_spec_status): New function to call from debugger.
10177 (priority): Added code to handle speculation checks.
10178 (rank_for_schedule): Added code to distinguish speculative instructions.
10179 (schedule_insn): Added code to handle speculation checks.
10180 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10181 Fixed to handle ebbs.
10182 (move_insn): Added code to handle ebb scheduling.
10183 (max_issue): Added code to use ISSUE_POINTS of instructions.
10184 (choose_ready): Added code to choose between speculative and
10185 non-speculative instructions.
10186 (schedule_block): Added code to handle ebb scheduling and scheduling of
10187 speculative instructions.
10188 (sched_init): Initialize new variables.
10189 (sched_finish): Free new variables. Print statistics.
10190 (try_ready): Added code to handle speculative instructions.
10191 * lists.c (copy_DEPS_LIST_list): New function.
10192 * sched-deps.c (extend_dependency_caches): New function. Move logic
10193 from create_dependency_caches to here.
10194 (get_dep_weak, ds_merge): Make global.
10195 * genattr.c (main): Code to output prototype for
10196 dfa_clear_single_insn_cache.
10197 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10198 (output_dfa_clean_insn_cache_func): Code to output
10199 dfa_clear_single_insn_cache function.
10200 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10202 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10204 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10205 New static variables.
10206 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10207 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10209 (ebb_sched_info): Initialize new fields.
10210 (get_block_head_tail): Adjust all uses.
10211 (compute_jump_reg_dependencies): Fixed to use glat_start.
10212 (schedule_ebb): Code to remove unreachable last block.
10213 (schedule_ebbs): Added code to update register live information.
10214 * sched-rgn.c (region_sched_info): Initialize new fields.
10215 (get_block_head_tail): Adjust all uses.
10216 (last_was_jump): Removed. Adjust users.
10217 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10218 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10219 Implement new hooks.
10220 (check_dead_notes1): New static function.
10221 (struct region): New fields: dont_calc_deps, has_real_ebb.
10222 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10223 (BB_TO_BLOCK): Fixed to handle EBBs.
10224 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10225 (ebb_head): New static variable.
10226 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10227 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10229 (compute_dom_prob_ps): New assertion.
10230 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10231 global_live_at_start.
10232 (init_ready_list): New assertions.
10233 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10234 (new_ready): Add support for BEGIN_CONTROL speculation.
10235 (schedule_insns): Fixed code that updates register live information
10237 (schedule_region): Fixed to handle EBBs.
10238 (init_regions): Use extend_regions and check_dead_notes1.
10239 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10240 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10241 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10242 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10243 TARGET_SCHED_GEN_CHECK,
10244 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10245 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10246 * doc/invoke.texi (max-sched-insn-conflict-delay,
10247 sched-spec-prob-cutoff): Document.
10249 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10251 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10252 inter_tick, queue_index.
10253 (struct sched_info): Change signature of init_ready_list field.
10254 Adjust all initializations.
10255 (RESOLVED_DEPS): New access macro.
10256 (ready_add): Remove prototype.
10257 (try_ready): Add prototype.
10258 * sched-rgn.c (init_ready_list): Use try_ready.
10259 (schedule_region): Initialize
10260 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10261 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10262 (init_ready_list): Use try_ready.
10263 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10264 * lists.c (remove_list_elem): Remove `static'.
10265 (remove_free_INSN_LIST_elem): New function.
10266 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10267 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10268 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10270 (readyp): New variable.
10271 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10272 change_queue_index, resolve_dep): New static functions.
10273 (try_ready): New function. Adjust callers in sched-rgn.c and
10274 sched-ebb.c to use it instead of ready_add.
10275 (clock_var): Move at the begining of file.
10276 (rank_for_schedule): Fix typo.
10277 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10278 (ready_lastpos): Enforce assertion.
10279 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10280 update all callers.
10281 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10282 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10283 (queue_to_ready): Use free_INSN_LIST_list.
10284 (early_queue_to_ready): Fix typo.
10285 (schedule_block): Init readyp. Move init_ready_list call after the
10286 initialization of clock_var. Fix error in rejecting insn by
10287 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10288 that previously corrected INSN_TICKs. Add code for handling
10290 (set_priorities): Fix typo.
10291 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10292 Clarify comment and code that keeps current_sched_info->next_tail
10295 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10297 * sched-rgn.c (extend_rgns): New static function.
10298 (find_rgns): Use it.
10299 (gather_region_statistics, print_region_statistics): New static
10301 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10302 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10304 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10305 Andrey Belevantsev <abel@ispras.ru>
10307 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10308 * lists.c (unused_deps_list): New variable.
10309 (free_list): Add assertions to verify the proper distinguishing
10310 between INSN_LISTs and DEPS_LISTs.
10311 (find_list_elem, remove_list_elem, remove_list_node): New static
10313 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10314 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10315 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10316 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10318 (free_INSN_LIST_node): Likewise.
10319 * modulo-sched.c (current_sched_info): Initialize flags field.
10320 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10321 * rtl.def (DEPS_LIST): Define.
10322 * rtl.h: Declare new functions from lists.c.
10323 * sched-deps.c (spec_dependency_cache): New static variable.
10324 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10325 (add_dependence): Change return type to void. Move the logic to ...
10326 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10327 (delete_all_dependences): Add comment about forward_dependency_cache.
10328 Handle spec_dependency_cache. Handle DEPS_LISTs.
10329 (fixup_sched_groups): Clarify the change of priority of output
10330 and anti dependencies.
10331 (sched_analyze_2): Adjust add_dependence calls to create data
10332 speculative dependence.
10333 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10334 Adjust all callers. Handle DEPS_LISTS.
10335 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10336 presence of speculation.
10337 (init_dependency_caches, free_dependency_caches):
10338 Handle spec_dependency_cache.
10339 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10340 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10341 New static functions.
10342 (add_or_update_back_dep, add_or_update_back_forw_dep,
10343 add_back_forw_dep, delete_back_forw_dep): New functions.
10344 * sched-int.h (ds_t, dw_t): New typedefs.
10345 (struct sched_info): Add new field flags.
10346 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10347 Prototype new sched-deps.c functions.
10348 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10349 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10350 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10351 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10352 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10353 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10355 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10357 * sched-rgn.c (current_sched_info): Initialize flags field.
10358 (schedule_insns): Initialize current_sched_info before the sched_init
10360 * sched-ebb.c (current_sched_info): Initialize flags field.
10361 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10362 Call add_or_update_back_dep instead of add_dependence.
10363 Create control speculative dependencies.
10364 (schedule_insns): Initialize current_sched_info before the sched_init
10367 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10369 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10371 (sh_fallback_frame_state): Likewise.
10373 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10375 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10376 Do switch on default_use_cxa_atexit.
10377 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10378 * config/darwin-crt3.o: New.
10379 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10380 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10381 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10383 * config/rs6000/t-darwin: Move crt2.o building to here.
10384 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10385 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10388 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10390 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10391 from '! xxx' to '!xxx' for coding-style conformance.
10392 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10393 (EXTRA_CONSTRAINT): Likewise.
10394 * config/vax/vax.md (four unnamed insns): Likewise.
10396 2006-03-15 Paul Brook <paul@codesourcery.com>
10398 * config/arm/arm.c (minipool_pad): New.
10399 (add_minipool_forward_ref): Include pool alignment padding in address
10401 (push_minipool_fix): Set minipool_pad.
10402 (minipool_pad): Ditto.
10404 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10406 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10407 instead of GET_CODE() == MEM and REG_P() instead of
10409 (print_operand_address): Likewise.
10410 (vax_address_cost): Likewise.
10411 (vax_rtx_costs): Likewise.
10412 (vax_notice_update_cc): Likewise.
10413 (vax_output_int_add): Likewise.
10414 (INDEX_REGISTER_P): Likewise.
10415 (BASE_REGISTER_P): Likewise.
10416 (nonindexed_address_p): Likewise.
10417 (vax_mode_dependent_address_p): Likewise.
10418 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10419 (PRINT_OPERAND): Likewise.
10420 * config/vax/vax.md (ashlsi3): Likewise.
10421 (ashlsi3): Likewise.
10422 (some more unnamed insns): Likewise.
10424 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10426 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10427 iterator-style macro.
10428 (mark_control_dependent_edges_necessary): Update the use of
10429 EXECUTE_IF_CONTROL_DEPENDENT.
10431 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10433 * config/sh/predicates.md (cache_address_operand): Special.
10434 (ua_address_operand): Likewise.
10436 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10438 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10440 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10442 2006-03-15 Andreas Schwab <schwab@suse.de>
10444 * gensupport.c (identify_predicable_attribute): Don't free p_false
10445 when it is still in use.
10447 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10449 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10450 the default setting here.
10452 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10454 * tree-pass.h (pass_cfg): Remove.
10455 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10456 * passes.c (pass_cfg): Don't run it.
10458 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10460 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10461 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10463 (stack_regs_mentioned): Update the uses of
10464 stack_regs_mentioned_data. Don't access the array beyond its
10466 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10467 Don't include gt-reg-stack.h.
10469 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10470 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10472 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10474 PR middle-end/26684
10475 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10478 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10480 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10482 2006-03-14 Richard Guenther <rguenther@suse.de>
10484 PR tree-optimization/26672
10485 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10488 2006-03-14 Richard Guenther <rguenther@suse.de>
10490 PR tree-optimization/26667
10491 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10492 node for the callees. Always allow inlining if it will shrink
10495 2006-03-14 Richard Guenther <rguenther@suse.de>
10497 PR middle-end/26659
10498 * builtins.c (get_pointer_alignment): Prefer alignment
10499 information from decls over that from types.
10501 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10504 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10506 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10508 * config/rs6000/rs6000.opt (mdlmzb): New option.
10509 (msched-prolog, msched-epilog): Use Var not Mask.
10510 * doc/invoke.texi (-mdlmzb): Document.
10511 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10513 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10514 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10516 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10518 PR rtl-optimization/25739
10519 * bt-load.c (augment_live_range): Free tos pointer.
10521 * gensupport.c (identify_predicable_attribute): Free
10523 * gcov.c (create_file_names): Free name pointer.
10525 2006-03-13 Roger Sayle <roger@eyesopen.com>
10527 PR middle-end/26557
10528 * stmt.c (emit_case_nodes): Handle the case where the index is a
10529 CONST_INT, where the comparison mode is specified by the index type.
10531 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10533 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10536 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10538 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10539 (*branch_fp_inverted): Likewise.
10541 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10543 PR middle-end/25989
10544 * omp-low.c (expand_omp_for_generic): Mark istart0
10545 and iend0 as addressable.
10547 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10549 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10551 2006-03-13 Jeff Law <law@redhat.com>
10553 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10554 virtual operands are interesting.
10555 (vrp_visit_stmt): Corresponding changes.
10557 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10559 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10561 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10562 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10563 * config/bfin/crti.S: Use it instead of __PIC__.
10564 * config/bfin/crtn.S: Likewise.
10566 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10567 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10569 Lose 'G' modifier for call operand.
10570 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10571 recognize 'G' modifier.
10573 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10575 PR middle-end/18859
10576 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10577 * stmt.c (expand_case): Likewise.
10579 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10581 PR rtl-optimization/26254
10582 * loop-invariant.c (seq_insns_valid_p): New function.
10583 (move_invariant_reg): Only emit new code if it is valid.
10585 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10587 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10589 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10590 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10591 (commit_one_edge_insertion): Do not look for loop notes.
10593 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10595 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10596 flag_test_coverage out of loop.
10598 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10600 * final.c (shorten_branches): Remove outdated comment, and turn
10601 the if branch that guards it to continue.
10603 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10605 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10606 * cfgloop.h (struct loop): Remove unused fields.
10608 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10610 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10611 (-dL, -fdump-rtl-loop2): Update the dump file names
10613 * doc/invoke.texi: Update dump file names.
10615 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10617 * predict.c (estimate_probability): Remove.
10618 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10619 * basic-block.h (estimate_probability): Remove prototype.
10620 * passes.c (finish_optimization_passes): Dump branch prediction or
10621 profiling heuristics to the .profile tree dump.
10622 (init_optimization_passes): Unqueue pass_branch_prob.
10624 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10626 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10628 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10629 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10631 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10633 * function.h (frame_offset_overflow): Declare.
10634 * function.c (frame_offset_overflow): New function.
10635 (assign_stack_local_1): Call it to detect that the offset overflows.
10636 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10638 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10640 * config/sh/sh.c: Include alloc-pool.h.
10641 (label_ref_list_pool): New alloc pool.
10642 (label_ref_list_t): New type for lists of labels.
10643 (struct pool_node): Make wend a label_ref_list_t.
10644 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10646 (dump_table): Likewise.
10647 (sh_reorg): Set up the alloc pool before using add_constant and
10648 dump_table, and destroy it when finishing.
10650 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10652 * config/mips/mips.c: Remove redundant comment.
10654 2006-03-10 Jason Merrill <jason@redhat.com>
10657 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10658 the target was declared 'register'.
10660 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10662 * genpreds.c (write_insn_constraint_len): Change definition of
10663 insn_constraint_len to return size_t to match the declaration.
10665 2006-03-10 DJ Delorie <dj@redhat.com>
10667 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10669 (m32c_expand_insv): Fix test for an AND mask.
10671 2006-03-10 Richard Guenther <rguenther@suse.de>
10673 PR middle-end/26565
10674 * builtins.c (get_pointer_alignment): Handle component
10675 references for field alignment.
10677 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10679 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10680 when building with libgloss.
10681 (sh*elf): Implement --without-fp option.
10682 (sh64-superh-linux*): Don't multilib.
10684 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10686 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10688 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10690 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10691 Set it when one of the replacement functions returned true.
10692 Return TODO_cleanup_cfg if cfgchanged is true.
10693 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10695 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10697 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10698 instead of gen_lowpart.
10700 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10702 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10704 (mips_output_order_conditional_branch): Declare.
10705 * config/mips/mips.h (MIPS_BRANCH): New macro.
10706 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10707 for the comparison. Use gen_condjump.
10708 (mips_output_conditional_branch): Rework interface to take the
10709 asm templates for a direct branch and the inverse of a direct branch.
10710 (mips_output_order_conditional_branch): New function.
10711 (mips_builtin_branch_and_move): New function.
10712 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10713 branch condition. Use gen_single_cc as the condition for
10714 __builtin_mips_upper_* or __builtin_mips_lower_*.
10715 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10716 Use VOIDmode for the branch condition.
10717 * config/mips/predicates.md (order_operator): New predicate.
10718 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10719 (branch_fp): Rename to...
10720 (*branch_fp): ...this. Remove mode from comparison operator.
10721 Use new mips_output_conditional_branch interface.
10722 (branch_fp_inverted): Rename to...
10723 (*branch_fp_inverted): ...this and update as for *branch_fp.
10724 (*branch_zero<mode>): Rename to...
10725 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10726 Use mips_output_order_conditional_branch. Only accept ordered
10728 (*branch_zero<mode>_inverted): Rename to...
10729 (*branch_order<mode>_inverted): ...this and update as for
10730 *branch_order<mode>.
10731 (*branch_equality<mode>): Accept zero as the second operand to
10732 the equality operator. Use the new mips_output_conditional_branch
10734 (*branch_equality<mode>_inverted): Likewise.
10735 (condjump): New expander.
10736 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10738 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10739 (bc1any2t, bc1any2f): Likewise.
10740 (single_cc): New expander.
10741 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10743 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10745 * doc/md.texi: Update documentation of MIPS constraints.
10746 * config/mips/constraints.md: New file.
10747 * config/mips/mips.md: Include it.
10748 * config/mips/mips.c (mips_char_to_class): Delete.
10749 (override_options): Don't initialize mips_char_to_class.
10750 * config/mips/mips.h (mips_char_to_class): Delete.
10751 (REG_CLASS_FROM_LETTER): Delete.
10752 (CONST_OK_FOR_LETTER_P): Delete.
10753 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10754 (EXTRA_CONSTRAINT_Y): Delete.
10755 (EXTRA_CONSTRAINT_STR): Delete.
10756 (CONSTRAINT_LEN): Delete.
10757 (EXTRA_MEMORY_CONSTRAINT): Delete.
10759 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10761 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10762 original fn's eh regions.
10764 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10766 * fold-const.c (build_range_check): Make sure to use a valid type to
10767 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10770 (range_predecessor): New static function.
10771 (range_successor): Likewise.
10772 (merge_ranges): Use them to compute predecessors and successors of
10775 2006-03-09 Roger Sayle <roger@eyesopen.com>
10777 PR middle-end/26561
10778 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10779 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10781 2006-03-08 DJ Delorie <dj@redhat.com>
10783 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10784 (addpsi3): Expand to include memory operands. Remove
10785 reload-specific splits.
10786 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10787 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10788 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10789 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10790 (shift1_qi, shift1_hi, insv): New.
10791 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10792 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10793 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10795 * config/m32c/m32c-protos.h: Update as needed.
10796 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10797 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10798 Fail for unrecognized R* constraints.
10799 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10800 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10801 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10803 (m32c_init_libfuncs): New.
10804 (m32c_legitimate_address_p): Add debug wrapper.
10805 (m32c_rtx_costs): New.
10806 (m32c_address_cost): New.
10807 (conversions): Add 'B' prefix.
10808 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10809 operands, or word regnames for QI operands. 'B' prints bit
10811 (m32c_expand_setmemhi): New.
10812 (m32c_expand_movmemhi): New.
10813 (m32c_expand_movstr): New.
10814 (m32c_expand_cmpstr): New.
10815 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10816 (m32c_expand_neg_mulpsi3): Handle non-ints.
10817 (m32c_cmp_flg_0): New.
10818 (m32c_expand_movcc): New.
10819 (m32c_expand_insv): New.
10820 (m32c_scc_pattern): New.
10821 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10822 a0/a1 out of SIregs.
10823 (STORE_FLAG_VALUE): New.
10824 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10827 * config/m32c/mov.md: Make constraints more liberal.
10828 (zero_extendqihi2): Optimize r0/r1 case.
10829 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10830 * config/m32c/predicates.md (m32c_any_operand): New.
10831 (m32c_nonimmediate_operand): New.
10832 (m32c_hl_operand): New.
10833 (m32c_r3_operand): New.
10836 (memsym_operand): New.
10837 (memimmed_operand): New.
10838 (a_qi_operand): New.
10839 (m32c_eqne_operator): New.
10840 (m32c_1bit8_operand): New.
10841 (m32c_1bit16_operand): New.
10842 (m32c_1mask8_operand): New.
10843 (m32c_1mask16_operand): New.
10844 * config/m32c/blkmov.md: New file.
10845 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10847 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10849 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10850 unsigned to fix signed/unsigned comparison issue in
10851 DWARF2_FRAME_REG_OUT.
10852 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10853 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10855 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10856 of ptr into the ENABLE_CHECKING section.
10858 2006-03-08 Jeff Law <law@redhat.com>
10860 * tree-vrp.c (infer_value_range): Only count pointer uses
10861 and dereferences if -fdelete-null-pointer-checks is enabled.
10863 * tree-vrp.c (find_assert_locations): Infer value ranges for
10864 single use pointers, but do not create ASSERT_EXPRs for them.
10865 When a non-null range is inferred for a pointer, backwards
10866 propagate that range to other equivalent pointers through the
10869 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10872 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10873 language hook targets.
10874 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10875 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10876 if language hook targets were missing.
10878 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10880 * tree-ssa-opfinalize.h: Removed.
10881 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10883 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10884 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10885 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10886 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10887 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10888 finalize_ssa_v_must_def_ops): New.
10890 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10892 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10893 block as parameter.
10895 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10897 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10899 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10900 addresses with offsets; reorganize.
10902 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10903 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10904 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10906 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10909 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10911 2006-03-08 Ben Elliston <bje@au.ibm.com>
10913 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10915 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10918 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10921 2006-03-07 Richard Guenther <rguenther@suse.de>
10923 PR tree-optimization/26587
10924 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10926 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10928 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10930 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10932 * hooks.c (hook_bool_mode_rtx_true): New function.
10933 * hooks.h (hook_bool_mode_rtx_true): Declare.
10934 * toplev.c (compile_file): Call output_shared_constant_pool.
10935 * varasm.c (shared_constant_pool): New variable.
10936 (assemble_start_function, assemble_end_function): Remove arguments
10937 from call to output_constant_pool.
10938 (create_constant_pool): New function, split out from...
10939 (init_varasm_status): ...here.
10940 (force_const_mem): Choose between the shared and per-function constant
10941 pools. Set current_function_uses_const_pool when reusing old entries
10942 as well as when creating new ones.
10943 (mark_constant): Ignore data argument.
10944 (mark_constants): Remove pool argument.
10945 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10946 to decide whether the function uses a constant pool.
10947 (output_constant_pool_contents): New function, split out from...
10948 (output_constant_pool): ...here.
10949 (output_shared_constant_pool): New function.
10950 (init_varasm_once): Initialize shared_constant_pool.
10951 * output.h (output_constant_pool): Delete.
10952 (output_shared_constant_pool): Declare.
10953 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10954 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10956 2006-03-06 Nick Clifton <nickc@redhat.com>
10958 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10959 flag_strength_reduce.
10961 2006-03-06 Ben Elliston <bje@au.ibm.com>
10963 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10964 x86_64-*-linux* configurations.
10966 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10967 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10969 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10971 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10973 * basic-block.h: Remove the extern for
10974 rediscover_loops_after_threading.
10976 * cfgloop.c (cancel_loop): Make it static.
10977 * cfgloop.h: Remove the prototype for cancel_loop.
10979 * flow.c (recompute_reg_usage): Make it static.
10980 * rtl.h: Remove the prototype for recompute_reg_usage.
10982 * function.c (use_return_register): Make it static.
10983 * function.h: Remove the prototype.
10985 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10987 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10989 * recog.h: Remove the prototype for
10990 validate_change_maybe_volatile.
10992 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10994 * rtlanal.c (replace_reg): Remove.
10995 * rtl.h: Remove the prototype for replace_reg.
10997 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10999 * regclass.c (reg_scan_update): Remove.
11000 (reg_scan_mark_refs): Remove the last argument.
11001 * rtl.h: Remove the prototype for reg_scan_update.
11003 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11005 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11006 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11007 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11008 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11009 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11010 loop-invariant.c, omp-low.c, opts.c, passes.c,
11011 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11012 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11013 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11014 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11015 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11016 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11020 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11021 * dwarf2out.h: Remove the prototype for
11022 dwarf2out_add_library_unit_info.
11024 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11026 * tree.c (add_var_to_bind_expr): Remove.
11027 * tree.h: Remove the prototype for add_var_to_bind_expr.
11029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11031 * regclass.c (n_non_fixed_regs): Remove.
11032 (init_reg_sets_1, globalize_reg): Remove all uses of
11034 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11036 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11038 * rtlanal.c (insns_safe_to_move_p): Remove.
11039 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11041 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11043 * expmed.c (expand_mult_add): Remove.
11044 * expr.h: Remove the prototype for expand_mult_add.
11046 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11048 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11049 and REG_SAVED_VAL_EXP constants.
11050 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11051 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11052 Handle regs stored by value.
11053 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11054 (execute_cfa_program): Handle DW_CFA_val_offset,
11055 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11056 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11057 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11058 (uw_install_context_1): Handle target regs stored by value.
11060 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11062 * tree-sra.c (tree_sra): Return todoflags;
11063 (generate_one_element): Set TODO_update_smt_usage if needed.
11064 (pass_sra): Remove TODO_update_smt_usage.
11065 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11067 (tree_ssa_forward_propagate_single_use_vars): Return
11068 TODO_update_smt_usage if we need to update SMT usage.
11069 (pass_forwprop): Remove TODO_update_smt_usage.
11071 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11073 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11074 (correct_use_link): Remove reference to get_stmt_operands.
11075 (update_stmt_operands): Likewise.
11076 (get_modify_expr_operands): New function factored out of
11077 parse_ssa_operands and get_expr_operands.
11078 Try to create V_MUST_DEFs for LHS by default.
11079 (get_expr_operands) <case MODIFY_EXPR>: Call
11080 get_modify_expr_operands.
11081 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11082 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11083 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11084 get_modify_expr_operands.
11086 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11088 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11089 * tree-flow.h: Remove the prototype for
11090 referenced_var_lookup_if_exists.
11092 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11094 PR rtl-optimization/26345
11096 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11098 2006-03-03 Roger Sayle <roger@eyesopen.com>
11100 PR tree-optimization/26524
11101 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11102 fold_convert to create a constant of the appropriate type.
11104 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11106 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11107 SYMBOL_REF_IN_BLOCK_P.
11108 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11109 of SYMBOL_FLAG_IN_BLOCK.
11110 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11111 instead of SYMBOL_REF_IN_BLOCK_P.
11112 * explow.c (use_anchored_address): Likewise.
11113 * rtl.c (rtx_size): Likewise.
11114 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11115 instead of SYMBOL_FLAG_IN_BLOCK.
11116 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11117 SYMBOL_REF_IN_BLOCK_P.
11118 (assemble_variable): Likewise.
11119 (output_constant_def_contents): Likewise.
11120 (output_constant_pool): Likewise.
11121 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11122 instead of SYMBOL_FLAG_IN_BLOCK.
11123 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11124 SYMBOL_REF_IN_BLOCK_P.
11125 (SYMBOL_REF_BLOCK): Likewise.
11126 (SYMBOL_REF_OFFSET): Likewise.
11127 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11128 SYMBOL_REF_IN_BLOCK_P.
11129 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11130 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11131 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11132 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11134 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11136 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11138 2006-03-02 Roger Sayle <roger@eyesopen.com>
11140 * simplify-rtx.c (simplify_unary_operation): When simplifying
11141 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11142 that we perform the right shift in the appropriate mode, and
11143 then extend or truncate the result to requested mode.
11145 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11147 * gengtype.c (main): Handle double_int type.
11148 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11149 * double-int.c: New file.
11150 * double-int.h: New file.
11151 * system.h: Include doubleint.h.
11152 * Makefile.in (SYSTEM_H): Include double-int.h.
11153 (double-int.o): Add.
11155 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11158 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11161 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11163 * tree-vrp.c (remove_range_assertions): Do not update statements
11166 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11168 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11170 * gcse.c (rest_of_handle_gcse): Ditto.
11171 * except.c (gate_handle_eh): Ditto.
11172 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11173 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11175 2006-03-02 Eric Christopher <echristo@apple.com>
11177 * config/i386/i386.c (machopic_output_stub): Add indirection to
11180 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11184 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11186 Sun Niagara specific optimizations.
11187 * config.gcc: Recognize niagara as target.
11188 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11189 (TARGET_CPU_niagara): Define.
11190 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11191 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11192 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11193 (ASM_CPU_SPEC): Likewise.
11194 (PROCESSOR_NIAGARA): New enum entry.
11195 (REGISTER_MOVE_COST): Handle Niagara.
11196 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11197 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11198 (sparc_override_options): Recognize "niagara", set appropriate
11199 default MASK_* values for it, and align functions to 32-bytes
11200 by default just like ULTRASPARC/ULTRASPARC3.
11201 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11202 (sparc64_initialize_trampoline): Likewise.
11203 (sparc_use_sched_lookahead): Use zero for niagara.
11204 (sparc_issue_rate): Use one for niagara.
11205 * config/sparc/niagara.md: New file.
11206 * config/sparc/sparc.md: Include it.
11207 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11208 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11209 when default cpu is niagara.
11210 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11211 (ASM_CPU_SPEC): Likewise.
11212 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11213 when default cpu is niagara.
11214 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11215 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11216 just like v9/ultrasparc/ultrasparc3.
11217 * doc/invoke.texi: Add documentation for "niagara" and improve
11218 existing documentation for ultrasparc variants.
11220 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11222 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11224 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11226 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11227 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11228 and say that only one is needed.
11229 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11230 * target.h (have_switchable_bss_sections): New hook.
11231 * explow.c (use_anchored_address): Check that the symbol is in a block.
11232 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11233 (bss_noswitch_section): New variables.
11234 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11235 (get_noswitch_section): New function.
11236 (get_block_for_section): Allow SECT to be null.
11237 (unlikely_text_section_p): Use SECTION_STYLE.
11238 (bss_initializer_p): New function.
11239 (get_variable_section): Move earlier in file. Take a new argument,
11240 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11241 Return one of the new *_sections in such cases.
11242 (get_block_for_decl): New function, extracting some logic from
11243 use_blocks_for_decl_p.
11244 (change_symbol_section): Remove in favor of...
11245 (change_symbol_block): ...this new function.
11246 (use_blocks_for_decl_p): Remove checks now performed by
11247 get_block_for_decl.
11248 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11249 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11250 (emit_local, emit_bss, emit_common): ...these new functions.
11251 Return true if the alignment was honored.
11252 (emit_tls_common): New function.
11253 (asm_emit_uninitialised): Delete.
11254 (assemble_variable_noswitch): New function, split out from...
11255 (assemble_variable): ...here. Don't make decisions about common
11256 variables here. Globalize all public decls that go into non-common
11257 sections. Check whether SYMBOL_REF_BLOCK is null.
11258 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11259 (output_constant_pool): Likewise.
11260 (init_varasm_once): Initialize the new section variables.
11261 (have_global_bss_p): New function.
11262 (categorize_decl_for_section): Use bss_initializer_p.
11263 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11264 (place_block_symbol): Assert that the symbol must be in a block.
11265 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11266 (TARGET_INITIALIZER): Include it.
11267 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11268 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11269 (SECTION_MACH_DEP): Bump by two.
11270 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11271 (unnamed_section): Mention SECTION_UNNAMED in comment.
11272 (named_section): Likewise SECTION_NAMED.
11273 (noswitch_section_callback): New type.
11274 (noswitch_section): New structure.
11275 (section): Add a noswitch_section alternative.
11276 (SECTION_STYLE): New macro.
11277 (tls_comm_section, comm_section, lcomm_section): Declare.
11278 (bss_noswitch_section, have_global_bss_p): Declare.
11279 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11280 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11282 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11283 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11286 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11288 * tree-vrp.c (execute_vrp): Return value.
11289 * regrename.c (rest_of_handle_regrename): Ditto.
11290 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11291 * tree-complex.c (tree_lower_complex): Ditto.
11292 (tree_lower_complex_O0): Ditto.
11293 * tracer.c (rest_of_handle_tracer): Ditto.
11294 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11295 * postreload.c (rest_of_handle_postreload): Ditto.
11296 * tree-tailcall.c (execute_tail_recursion): Ditto.
11297 (execute_tail_calls): Ditto.
11298 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11299 * tree.h (init_function_for_compilation): Ditto.
11300 * ipa-cp.c (ipcp_driver): Ditto.
11301 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11302 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11303 * final.c (compute_alignments): Ditto.
11304 (rest_of_handle_final): Ditto.
11305 (rest_of_handle_shorten_branches): Ditto.
11306 (rest_of_clean_state): Ditto.
11307 * omp-low.c (execute_expand_omp): Ditto.
11308 (execute_lower_omp): Ditto.
11309 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11310 * ipa-reference.c (static_execute): Ditto.
11311 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11312 * reorg.c (rest_of_handle_delay_slots): Ditto.
11313 (rest_of_handle_machine_reorg): Ditto.
11314 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11315 * flow.c (recompute_reg_usage): Ditto.
11316 (rest_of_handle_remove_death_notes): Ditto.
11317 (rest_of_handle_life): Ditto.
11318 (rest_of_handle_flow2): Ditto.
11319 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11320 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11321 (do_ssa_store_ccp): Ditto.
11322 (execute_fold_all_builtins): Ditto.
11323 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11324 * modulo-sched.c (rest_of_handle_sms): Ditto.
11325 * ipa-pure-const.c (static_execute): Ditto.
11326 * cse.c (rest_of_handle_cse): Ditto.
11327 (rest_of_handle_cse2): Ditto.
11328 * web.c (rest_of_handle_web): Ditto.
11329 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11330 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11331 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11332 * tree-nrv.c (tree_nrv): Ditto.
11333 (execute_return_slot_opt): Ditto.
11334 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11335 (create_structure_vars): Ditto.
11336 * loop-init.c (rtl_loop_init): Ditto.
11337 (rtl_loop_done): Ditto.
11338 (rtl_move_loop_invariants): Ditto.
11339 (rtl_unswitch): Ditto.
11340 (rtl_unroll_and_peel_loops): Ditto.
11341 (rtl_doloop): Ditto.
11342 * gimple-low.c (lower_function_body): Ditto.
11343 (mark_used_blocks): Ditto.
11344 * tree-ssa-sink.c (execute_sink_code): Ditto.
11345 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11346 (cgraph_early_inlining): Ditto.
11347 * global.c (rest_of_handle_global_alloc): Ditto.
11348 * jump.c (cleanup_barriers): Ditto.
11349 (purge_line_number_notes): Ditto.
11350 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11351 (rest_of_handle_if_after_reload): Ditto.
11352 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11353 (tree_ssa_loop_im): Ditto.
11354 (tree_ssa_loop_unswitch): Ditto.
11355 (tree_vectorize): Ditto.
11356 (tree_linear_transform): Ditto.
11357 (tree_ssa_loop_ivcanon): Ditto.
11358 (tree_ssa_empty_loop): Ditto.
11359 (tree_ssa_loop_bounds): Ditto.
11360 (tree_complete_unroll): Ditto.
11361 (tree_ssa_loop_prefetch): Ditto.
11362 (tree_ssa_loop_ivopts): Ditto.
11363 (tree_ssa_loop_done): Ditto.
11364 * predict.c (tree_estimate_probability): Ditto.
11365 * recog.c (split_all_insns_noflow): Ditto.
11366 (rest_of_handle_peephole2): Ditto.
11367 (rest_of_handle_split_all_insns): Ditto.
11368 * tree-eh.c (lower_eh_constructs): Ditto.
11369 * regmove.c (rest_of_handle_regmove): Ditto.
11370 (rest_of_handle_stack_adjustments): Ditto.
11371 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11372 * function.c (instantiate_virtual_regs): Ditto.
11373 (init_function_for_compilation): Ditto.
11374 (rest_of_handle_check_leaf_regs): Ditto.
11375 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11376 (rest_of_handle_gcse): Ditto.
11377 * ipa-type-escape.c (type_escape_execute): Ditto.
11378 * alias.c (rest_of_handle_cfg): Ditto.
11379 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11380 * profile.c (rest_of_handle_branch_prob): Ditto.
11381 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11382 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11383 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11384 * tree-dfa.c (find_referenced_vars): Ditto.
11385 * except.c (set_nothrow_function_flags): Ditto.
11386 (convert_to_eh_region_ranges): Ditto.
11387 (rest_of_handle_eh): Ditto.
11388 * emit-rtl.c (unshare_all_rtl): Ditto.
11389 (remove_unnecessary_notes): Ditto.
11390 * except.h (set_nothrow_function_flags): Ditto.
11391 (convert_to_eh_region_ranges): Ditto.
11392 * cfgexpand.c (tree_expand_cfg): Ditto.
11393 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11394 * tree-ssa-pre.c (do_pre): Ditto.
11395 (execute_fre): Ditto.
11396 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11397 (rest_of_handle_jump2): Ditto.
11398 * tree-sra.c (tree_sra): Ditto.
11399 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11400 (execute_mudflap_function_decls): Ditto.
11401 * tree-ssa-copy.c (do_copy_prop): Ditto.
11402 (do_store_copy_prop): Ditto.
11403 * ipa-prop.h (ipcp_driver): Ditto.
11404 * cfglayout.c (insn_locators_initialize): Ditto.
11405 * tree-ssa-forwprop.c
11406 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11407 * cfglayout.h (insn_locators_initialize): Ditto.
11408 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11409 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11410 (execute_late_warn_uninitialized): Ditto.
11411 * rtl.h (cleanup_barriers): Ditto.
11412 (split_all_insns_noflow): Ditto.
11413 (purge_line_number_notes): Ditto.
11414 (unshare_all_rtl): Ditto.
11415 (remove_unnecessary_notes): Ditto.
11416 (recompute_reg_usage): Ditto.
11417 (variable_tracking_main): Ditto.
11418 * integrate.c (emit_initial_value_sets): Ditto.
11419 * integrate.h (emit_initial_value_sets): Ditto.
11420 * tree-optimize.c (execute_free_datastructures): Ditto
11421 (execute_free_cfg_annotations): Ditto.
11422 (execute_fixup_cfg): Ditto.
11423 (execute_cleanup_cfg_pre_ipa): Ditto.
11424 (execute_cleanup_cfg_post_optimizing): Ditto.
11425 (execute_init_datastructures): Ditto.
11426 * tree-object-size.c (compute_object_sizes): Ditto.
11427 * combine.c (rest_of_handle_combine): Ditto.
11428 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11429 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11430 (rest_of_handle_reorder_blocks): Ditto.
11431 (rest_of_handle_partition_blocks): Ditto.
11432 * var-tracking.c (variable_tracking_main): Ditto.
11433 * tree-profile.c (tree_profiling): Ditto.
11434 * tree-vect-generic.c (expand_vector_operations): Ditto.
11435 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11436 * sched-rgn.c (rest_of_handle_sched): Ditto.
11437 (rest_of_handle_sched2): Ditto.
11438 * basic-block.h (free_bb_insn): Ditto.
11439 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11440 * tree-cfg.c (execute_build_cfg): Ditto.
11441 (remove_useless_stmts): Ditto.
11442 (split_critical_edges): Ditto.
11443 (execute_warn_function_return): Ditto.
11444 (execute_warn_function_noreturn): Ditto.
11445 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11446 * cfgrtl.c (free_bb_for_insn): Ditto.
11447 * passes.c (execute_one_pass): Run additional
11448 todos returned by execute function.
11449 * tree-pass.h (struct tree_opt_pass): Make execute
11452 2006-03-02 Richard Guenther <rguenther@suse.de>
11454 * tree-ssa-alias.c (find_used_portions): Consider taking
11455 the address as making the variable not write-only.
11457 2006-03-02 Nick Clifton <nickc@redhat.com>
11459 * config.gcc (default_use_cxa_atexit): Extend the description of
11460 this configure variable. Set its default value to "yes" for
11461 Linux, NetBSD and ELF targets on the assumption that they will
11462 use C libraries with the __cxa_atexit function.
11464 2006-03-02 Ben Elliston <bje@au.ibm.com>
11466 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11467 parameter as unused to suppress a build warning.
11469 2006-03-02 Ben Elliston <bje@au.ibm.com>
11471 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11474 2006-03-01 Roger Sayle <roger@eyesopen.com>
11477 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11478 declared name, the weak reference name, and the typeof name.
11479 (__gthrw): Avoid expanding the declared name suffix.
11480 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11482 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11484 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11486 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11487 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11488 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11489 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11490 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11491 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11492 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11493 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11494 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11495 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11496 (DW_END_default, DW_END_big, DW_END_little): New.
11497 (DW_END_lo_user, DW_END_hi_user): Define.
11498 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11499 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11500 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11503 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11505 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11507 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11509 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11511 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11513 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11514 to 'symbol_mem_tag'.
11516 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11519 2006-03-01 Roger Sayle <roger@eyesopen.com>
11521 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11523 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11526 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11527 MACHO_DYNAMIC_NO_PIC_P.
11528 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11530 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11533 * config/darwin-protos.h (darwin_asm_output_anchor):
11535 * config/darwin-sections.def (cstring_section):
11536 Add SECTION_MERGE to the flags.
11537 (literal4_section): Likewise.
11538 (literal8_section): Likewise.
11539 (objc_selector_refs_section): Likewise.
11540 (objc_cls_refs_section): Likewise.
11541 * config/darwin.c (darwin_asm_output_anchor): New
11543 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11545 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11547 Fix PR tree-optimization/26443
11548 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11549 to todo and PROP_tmt_usage to properties_destroyed.
11550 * tree-ssa-ccp.c (pass_ccp): Ditto.
11551 (pass_store_ccp): Ditto.
11552 * tree-ssa-dom.c (pass_dominator): Ditto.
11554 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11556 * tree-ssa-operands.c: Cleanup whitespace.
11557 (get_asm_expr_operands): Move before first invocation.
11558 (get_indirect_ref_operands): Likewise.
11559 (get_tmr_operands): Likewise.
11560 (get_call_expr_operands): Likewise.
11561 (append_def): Likewise.
11562 (append_use): Likewise.
11563 (append_v_may_def): Likewise.
11564 (append_v_must_def): Likewise.
11565 (add_call_clobber_ops): Likewise.
11566 (add_call_read_ops): Likewise.
11567 (add_stmt_operand): Likewise.
11568 (add_virtual_operand): Likewise.
11569 (build_ssa_operands): Likewise.
11571 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11573 PR middle-end/26022
11575 PR middle-end/24437
11576 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11577 with a call expr to ...
11578 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11580 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11582 * tree-vrp.c (extract_range_from_assert): Remove special
11583 handling for types with super-types.
11585 2006-03-01 Ben Elliston <bje@au.ibm.com>
11587 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11588 and powerpc64-*-linux* configurations.
11589 * config/t-dfprules: New file.
11591 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11592 Compile dfp-bit.c from the source directory using -DWIDTH and
11593 $DFP_CFLAGS to control the compilation of that file, rather than
11594 generating width-specific versions in the build directory.
11595 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11596 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11598 2006-02-28 Zack Weinberg <zackw@panix.com>
11600 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11603 2006-02-28 Eric Christopher <echristo@apple.com>
11605 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11606 Set up IN_LIBGCC definition of TARGET_64BIT.
11607 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11609 2006-02-28 Roger Sayle <roger@eyesopen.com>
11611 PR middle-end/14752
11612 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11613 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11614 cases via the construction of "expr != 0".
11616 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11618 * alias.c (alias_invariant, alias_invariant_size): Remove.
11619 (record_base_value): Remove.
11620 (memrefs_conflict_p): Don't look at alias_invariant.
11621 (end_alias_analysis): Don't free it.
11622 * alias.h (record_base_value): Remove prototype.
11624 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11625 Adam Nemet <anemet@caviumnetworks.com>
11627 * rtl.h (truncated_to_mode): Declare it.
11628 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11629 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11630 (RTL_HOOKS_INITIALIZER): Include it.
11631 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11632 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11633 reg_truncated_to_mode.
11634 * rtlanal.c (truncated_to_mode): Define it.
11635 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11637 2006-02-28 Jeff Law <law@redhat.com>
11639 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11640 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11641 the range allowed by TYPE_PRECISION.
11643 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11645 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11647 PR tree-optimization/26419
11648 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11651 2006-02-27 Zack Weinberg <zackw@panix.com>
11653 * doc/md.texi: Fix typo in previous change.
11655 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11659 2006-02-27 Zack Weinberg <zackw@panix.com>
11661 * rtl.def (define_constraint, define_register_constraint)
11662 (define_memory_constraint, define_address_constraint): New MD forms.
11663 * gensupport.c (process_rtx): Put define_constraint etc on the
11665 * genpreds.c (process_define_predicate): Adjust comment. Validate
11666 the name, and call validate_exp to validate the expression.
11667 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11668 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11669 all callers changed.
11670 (validate_exp, needs_variable, struct constraint_data)
11671 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11672 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11673 (const_dbl_constraints, constraint_max_namelen)
11674 (have_register_constraints, have_memory_constraints)
11675 (have_address_constraints, have_address_constraints)
11676 (have_extra_constraints, have_const_int_constraints)
11677 (have_const_dbl_constraints, mangle, add_constraint)
11678 (process_define_constraint, process_define_register_constraint)
11679 (write_enum_constraint_num, write_lookup_constraint)
11680 (write_insn_constraint_len, write_regclass_for_constraint)
11681 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11682 (write_insn_extra_memory_constraint)
11683 (write_insn_extra_address_constraint)
11684 (write_satisfies_constraint_fns): New.
11685 (write_tm_preds_h): If we have new-style constraint definitions,
11686 prototype the functions generated from them, and define the
11687 old constraint interface (still used by generic code) in terms of
11689 (write_insn_preds_c): If we have new-style constraint definitions,
11690 generate all relevant functions from those definitions.
11691 (main): Handle define_constraint etc.
11692 * genoutput.c (struct constraint_data, indep_constraints)
11693 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11694 (mdep_constraint_len): New data structures and functions, defined
11695 #ifdef USE_MD_CONSTRAINTS.
11696 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11697 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11698 use new logic to validate operand constraints against constraint
11700 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11702 * defaults.h: If none of the old-style constraint macros are
11703 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11704 old-style macros; and poison REG_CLASS_FROM_LETTER,
11705 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11707 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11708 * doc/md.texi: Document new constraint-definition mechanism and the
11709 C interface it provides. Remove references to old mechanism
11710 elsewhere in the document.
11711 (Machine Constraints): Use pathnames relative to gcc directory,
11712 i.e. config/ARCH/FILE. Change i386 section to refer to
11713 config/i386/predicates.md; update that section to match docstrings.
11714 * doc/tm.texi: Move all documentation of the old constraint-
11715 definition macros to their own section, clearly mark as obsolete.
11717 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11718 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11720 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11721 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11722 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11723 constraint strings.
11724 (splits and peepholes): Use satisfies_constraint_*.
11725 * config/i386/i386.c (memory_address_length)
11726 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11728 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11730 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11731 scalar operation to be put back into the loop.
11733 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11736 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11737 (extract_cie_info): Handle S flag in augmentation string.
11738 (execute_cfa_program): If context->signal_frame, execute also
11739 fs->pc == context->ra instructions.
11740 (uw_frame_state_for): If context->signal_frame, don't subtract one
11741 from context->ra to find FDE.
11742 (uw_update_context_1): Set context->signal_frame to
11744 (_Unwind_GetIPInfo): New function.
11745 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11746 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11748 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11749 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11750 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11751 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11752 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11753 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11754 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11755 x86_64_fallback_frame_state): Set fs->signal_frame.
11756 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11757 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11758 (frob_update_context): Likewise. Workaround missing S flag in
11759 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11760 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11761 Remove the psw_addr + 1 hack.
11763 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11765 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11766 with aggregates here.
11767 (find_func_aliases): Remove code for &<aggregate> from here.
11769 2006-02-26 Roger Sayle <roger@eyesopen.com>
11771 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11772 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11773 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11774 as (X & C) ne/eq 0.
11776 2006-02-26 Roger Sayle <roger@eyesopen.com>
11778 PR middle-end/19983
11779 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11781 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11783 * opts.c (decode_options): Do not handle flag_strength_reduce.
11784 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11785 and OPT_fstrength_reduce.
11786 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11787 flag_prefetch_loop_arrays for being nonzero.
11788 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11790 (fprefetch-loop-arrays-rtl): Removed.
11791 (flag_prefetch_loop_arrays): Do not specify the value.
11793 * doc/passes.texi: Update documentation of loop optimizer
11795 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11796 -frerun-loop-opt): Remove.
11798 2006-02-26 Richard Guenther <rguenther@suse.de>
11800 PR tree-optimization/26421
11801 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11802 in function calls that are ADDR_EXPRs as using the whole structure.
11804 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11806 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11807 * tree-pass.h (pass_loop_optimize): Remove.
11808 * passes.c (pass_loop_optimize): Never run it.
11809 * toplev.c (backend_init): Don't call init_loop.
11810 * opts.c (flag_loop_optimize_set): Remove.
11811 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11812 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11813 the old RTL loop optimizer when profiling enabled.
11814 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11815 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11816 pre-headers for the sake of the old RTL loop optimizer.
11817 * Makefile.in: Remove all references to loop.o.
11819 * doc/invoke.texi: Remove all references to -floop-optimize
11820 and -frerun-loop-opt.
11822 2006-02-26 Zack Weinberg <zackw@panix.com>
11824 * doc/md.texi (Machine Constraints): Refer to all files with paths
11825 relative to gcc directory (i.e. config/CPU/file). Add missing
11826 @table @code ... @end table to M32C subsection.
11828 2006-02-26 Roger Sayle <roger@eyesopen.com>
11830 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11832 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11834 2006-02-26 Roger Sayle <roger@eyesopen.com>
11835 James A. Morrison <phython@gcc.gnu.org>
11837 PR middle-end/21137
11838 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11839 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11840 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11841 signedness of the shift operation.
11843 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11845 PR tree-optimization/26359
11846 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11848 2006-02-25 Roger Sayle <roger@eyesopen.com>
11850 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11851 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11852 as X == 0, and some symmetry related transformations.
11853 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11855 2006-02-25 Roger Sayle <roger@eyesopen.com>
11857 PR middle-end/23673
11858 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11859 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11860 symmetry related transformations. Fold (X^C1) == C2 as
11863 2006-02-25 Juergen Weigert <jw@suse.de>
11864 Richard Guenther <rguenther@suse.de>
11866 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11868 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11870 * combine.c (gen_lowpart_or_truncate): Call
11871 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11873 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11875 * doc/invoke.texi: Move -fopenmp description to "Options for
11877 Remove reference to -lgomp.
11879 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11881 * doc/install.texi: Require GNU tar version 1.14.
11883 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11885 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11886 * doc/invoke.texi (C++ Dialect Options): Document
11887 -fno-use-cxa-get-exception-ptr.
11888 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11889 * configure: Regenerate.
11890 * c.opt (fuse-cxa-get-exception-ptr): New.
11891 * c-opts.c (c_common_handle_option): Handle
11892 OPT_fuse_cxa_get_exception_ptr.
11893 * c-common.c (flag_use_cxa_atexit): Update documentation.
11894 (flag_use_cxa_get_exception_ptr): New.
11895 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11896 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11898 (C_COMMON_OVERRIDE_OPTIONS): New.
11900 2006-02-24 Roger Sayle <roger@eyesopen.com>
11902 PR middle-end/24952
11903 * combine.c (try_combine): Explicitly check whether GET_CODE is
11904 a SET or a CLOBBER, instead on checking that it isn't a USE.
11906 2006-02-24 Roger Sayle <roger@eyesopen.com>
11908 * fold-const.c (fold_comparison): New subroutine of fold_binary
11909 containing transformations common to both the equality and
11910 ordering relational operators, factored out of fold_binary.
11911 (fold_binary): Separate out the equality operators (EQ_EXPR
11912 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11913 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11914 transformations common to both.
11915 (fold_div_compare): Fix latent bugs in the previously unreachable
11916 LT_EXPR and GE_EXPR cases.
11918 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11920 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11921 decl libname for clog to __clog on AIX.
11923 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11925 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11928 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11929 output traceback table for thunks. Localise rs6000_stack_info call.
11931 2006-02-23 Roger Sayle <roger@eyesopen.com>
11932 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11934 * gthr-posix.h (__gthrw): Fix typo in comment.
11936 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11938 * doc/cpp.texi (Character sets): Document that we do support
11939 input files to be in any character set.
11941 2006-02-23 Jeff Law <law@redhat.com>
11943 * tree.h (PHI_ARG_NONZERO): Remove.
11944 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11945 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11946 node to the new node.
11948 PR tree-optimization/26425
11949 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11950 min/max, then assume its varying.
11952 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11954 PR rtl-optimization/26316
11955 * rtlanal.c (enum may_trap_p_flags): New.
11956 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11957 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11958 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11959 (may_trap_after_code_motion_p): New function.
11960 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11961 (find_invariant_insn): Use may_trap_after_code_motion_p.
11962 * rtl.h (may_trap_after_code_motion_p): Declare.
11964 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11966 * emit-rtl.c (immed_double_const): Cleanup.
11968 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11970 Fix PR tree-optimization/26376
11971 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11974 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11976 PR middle-end/26412
11977 * gimplify.c (omp_add_variable): Guard variable size decl test with
11978 DECL_SIZE (decl) check.
11980 2006-02-23 Richard Guenther <rguenther@suse.de>
11982 PR middle-end/26439
11983 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11984 like aggregate types.
11986 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11988 * configure.ac: Add --with{,out}-long-double-128 configure option.
11989 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11990 * configure: Rebuilt.
11991 * config.in: Rebuilt.
11992 * doc/install.texi (Options specification): Document
11993 --with-long-double-128.
11995 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11996 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11997 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11998 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12000 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12002 * config/s390/s390.c (override_options): Handle
12003 TARGET_DEFAULT_LONG_DOUBLE_128.
12005 * config/alpha/alpha.c (override_options): Handle
12006 TARGET_DEFAULT_LONG_DOUBLE_128.
12008 * config/sparc/sparc.c (sparc_override_options): Handle
12009 TARGET_DEFAULT_LONG_DOUBLE_128.
12011 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12013 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12014 (real-install-headers-tar, real-install-headers-cpio)
12015 (real-install-headers-cp): New targets.
12017 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12019 * tree.h (variable_section): Delete.
12020 * varasm.c (variable_section): Delete.
12022 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12024 * install.texi: Add notes on install.texi2html.
12025 (Building in parallel): Do not use footnotes.
12027 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12030 * doc/install.texi (Configuration): Document --disable-libgomp.
12032 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12034 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12036 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12038 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12039 (vec_extractv2df_0_sse): New.
12041 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12043 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12044 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12045 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12046 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12047 to the result of the expression.
12048 (def_cfa_1): Adjust.
12049 (frame_pointer_cfa_offset): Rename to...
12050 (frame_pointer_fb_offset): ... this. Adjust all uses.
12051 (convert_cfa_to_loc_list): Rename to...
12052 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12053 Pass it on to build_cfa_loc.
12054 (compute_frame_pointer_to_cfa_displacement): Rename to...
12055 (compute_frame_pointer_to_fb_displacement): ... this. New
12056 offset parameter. Use it in computation.
12057 (gen_subprogram_die): Compute cfa_fb_offset with the new
12058 macro, and use it to compute the fb loc list and the
12061 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12063 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12064 replaced with register_operand.
12065 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12066 non-DREG is expensive.
12067 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12068 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12071 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12073 * doc/install.texi2html: Use set -e.
12075 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12077 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12078 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12079 * doc/invoke.texi (-fshared-data): Delete.
12080 * common.opt (fshared-data): Delete.
12081 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12082 (assemble_static_space): Remove #if 0 code.
12083 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12084 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12085 * config/cris/cris.h: Remove FIXME.
12087 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12089 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12092 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12094 PR middle-end/26379
12095 * combine.c (simplify_shift_const_1): Disable nested shifts
12096 optimization for vector shifts.
12098 2006-02-20 Roger Sayle <roger@eyesopen.com>
12100 PR tree-optimization/26361
12101 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12102 of unsigned integer types.
12104 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12106 * tree-chrec.c (eq_evolutions_p): New.
12107 * tree-chrec.h (eq_evolutions_p): Declared.
12108 * tree-data-ref.c: Fix formatting.
12109 (datadep_stats, dependence_stats): New.
12111 (print_direction_vector): New.
12112 (dump_data_dependence_relation): Use print_direction_vector.
12113 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12114 (compute_subscript_distance): Static.
12115 (initialize_data_dependence_relation): Static. Get the number
12116 of loops surrounding the references from the callers, and initialize
12117 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12118 base_object_differ_p analyzers.
12119 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12120 compute_overlap_steps_for_affine_1_2,
12121 analyze_subscript_affine_affine): Count the classified dependences.
12122 Print a message when a test failed.
12123 (can_use_analyze_subscript_affine_affine): New.
12124 (analyze_siv_subscript): Compute the data dependences on symbolic
12125 scevs that verify can_use_analyze_subscript_affine_affine.
12126 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12127 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12128 Handle symbolic scevs.
12129 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12131 (subscript_dependence_tester): Moved...
12132 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12133 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12134 DDR_SIZE_VECT instead of getting it in parameter.
12135 (subscript_dependence_tester): ... here. Take as a parameter
12136 loop_nest_depth. Call build_classic_dist_vector and
12137 build_classic_dir_vector.
12138 (compute_affine_dependence): Update subscript_dependence_tester
12139 parameters. Update datadep_stats counters. Call
12140 compute_subscript_distance.
12141 (compute_self_dependence): Save the dist and dir vectors. Call
12142 compute_subscript_distance.
12143 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12144 (compute_all_dependences): Reorder parameters as they were before
12145 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12146 compute_subscript_distance. Update the use of
12147 compute_affine_dependence and initialize_data_dependence_relation.
12148 (find_data_references_in_loop): Handle COMPONENT_REF.
12149 (compute_data_dependences_for_loop): Initialize dependence_stats.
12150 Don't call build_classic_dist_vector and build_classic_dir_vector.
12151 Update the parameters of initialize_data_dependence_relation and
12152 compute_all_dependences. Print the statistics from datadep_stats.
12153 (analyze_all_data_dependences): Static. Not used until the pass for
12154 checking the data dependences is contributed.
12155 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12156 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12157 (initialize_data_dependence_relation, compute_affine_dependence,
12158 analyze_all_data_dependences, compute_subscript_distance): Removed.
12159 (print_direction_vector): New.
12160 * lambda.h (gcd): ... here.
12161 (lambda_vector_gcd): Moved here from gcd_vector.
12162 * lambda-code.c (gcd, gcd_vector): Removed.
12163 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12164 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12166 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12168 * ipa-type-escape.c: Tidy some comments and white space.
12169 * tree-ssa-operands.c: Likewise.
12171 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12174 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12175 (dump_decl_name): Do not walk the decl tree chains.
12176 * tree-pass.h (TDF_CHAIN): Remove.
12178 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12180 * Makefile.in (C): Remove
12182 (.PHONY): Remove C and PROTO
12184 2006-02-20 Roger Sayle <roger@eyesopen.com>
12186 PR middle-end/26236
12187 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12188 deprecated CHAR_TYPE tree code.
12190 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12192 * configure.ac (target_list): Add install-info, dvi, html.
12193 * configure: Regenerate.
12195 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12196 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12197 treelang/Make-lang.in: Do not use double-colon rules.
12199 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12201 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12202 (TMT_USED_ALONE): New macro.
12203 * tree-pass.h (PROP_tmt_usage): New property.
12204 (TODO_update_tmt_usage): New todo.
12205 * tree-ssa-alias.c (updating_used_alone): New variable.
12206 (recalculate_used_alone): New function.
12207 (compute_may_aliases): Set updating_used_alone, call
12208 recalculate_used_alone.
12209 * tree-sra.c (pass_sra): Note that this pass destroys
12210 PROP_tmt_usage, and add TODO_update_tmt_usage.
12211 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12212 * tree-flow.h (updating_used_alone): Prototype.
12213 (recalculate_used_alone): Ditto.
12214 * passes.c (execute_todo): Add code to set updating_used_alone,
12215 and call recalculate.
12216 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12217 for clobber if used alone, and add assert to verify used_alone
12220 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12222 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12223 for non tls symbols added.
12224 (legitimize_address): Do nothing for PLUS expressions if one of the
12225 addends is a tls symbol reference.
12227 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12231 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12233 * Makefile.in (BOOTSTRAPPING): New.
12234 (quickstrap): New definition if BOOTSTRAPPING=yes.
12236 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12237 * configure.ac: Substitute all_selected_languages with the languages
12238 that were configured. For all the other variables except
12239 lang_specs_files, include all the languages in the tree.
12240 * configure: Regenerate.
12242 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12243 if there is one. Run the commands to run fixincludes in the same
12246 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12247 * doc/install.texi: Document exact conventions for searching target tools.
12248 Document --with-build-time-tools. Document toplevel bootstrap. Document
12249 something more about building an Ada cross-compiler. Don't list GNU Make
12250 requirements which affect all platforms.
12252 2006-02-19 Roger Sayle <roger@eyesopen.com>
12254 PR middle-end/19543
12255 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12256 only equivalent if the have both the same mode and precision.
12258 2006-02-20 Ben Elliston <bje@au.ibm.com>
12260 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12262 2006-02-19 Roger Sayle <roger@eyesopen.com>
12263 Steven Bosscher <stevenb.gcc@gmail.com>
12265 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12266 constant pool references to identify stack mode constants.
12267 * rtlanal.c (constant_pool_constant_p): New predicate to check
12268 whether operand is a floating point constant in the pool.
12269 * rtl.h (constant_pool_constant_p): Prototype here.
12270 * loop.c (scan_loop): Avoid hoisting constants from the constant
12271 pool on STACK_REGS targets.
12272 (load_mems): Likewise.
12273 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12274 loads into x87 registers expensive in terms of register pressure.
12276 2006-02-19 Roger Sayle <roger@eyesopen.com>
12278 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12279 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12281 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12283 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12284 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12286 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12288 * doc/invoke.texi: Document -fipa-pta.
12289 * common.opt: Add ipa-pta option.
12290 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12291 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12292 (do_ds_constraint): Ditto.
12293 (get_constraint_for): Only add to referenced_vars if
12294 referenced_vars exists.
12295 (insert_into_field_list): Rewrite to do this unsorted.
12296 (insert_into_field_list_sorted): Rename old insert_into_field_list
12298 (create_function_info_for): Use insert_into_field_list_sorted.
12299 (create_variable_info_for): Rewrite so it uses unsorted version,
12300 since the field list is sorted.
12301 (intra_create_variable_infos): Only add to referenced_vars if
12302 referenced_vars exists.
12303 (ipa_pta_execute): Init heapvars, and delete when done.
12304 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12306 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12308 * doc/install.texi: Add missing `@samp'.
12310 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12312 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12315 2006-02-18 Mark Wielaard <mark@klomp.org>
12317 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12318 who added new 4.1 features, bug fixes and integration support.
12320 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12323 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12324 MEM for ABI_V4 pic.
12326 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12328 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12329 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12330 (copy_insn_1): Likewise. Don't copy each field individually.
12332 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12334 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12335 * rtl.c (rtx_size): Rename variable to...
12336 (rtx_code_size): ...this.
12337 (rtx_size): New function.
12338 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12339 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12341 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12342 * rtl.h (rtx_code_size): New variable.
12343 (rtx_size): Change from a variable to a function.
12344 (RTX_SIZE): Rename to...
12345 (RTX_CODE_SIZE): ...this.
12348 PR tree-optimization/17106
12349 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12350 (Anchored Addresses): New section.
12351 * doc/invoke.texi (-fsection-anchors): Document.
12352 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12353 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12354 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12355 * hooks.c (hook_bool_mode_rtx_false): New function.
12356 * hooks.h (hook_bool_mode_rtx_false): Declare.
12357 * gengtype.c (create_optional_field): New function.
12358 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12359 SYMBOL_REF_IN_BLOCK_P is true.
12360 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12361 (min_anchor_offset, max_anchor_offset): Likewise.
12362 (use_anchors_for_symbol_p): New hook.
12363 * toplev.c (compile_file): Call output_object_blocks.
12364 (target_supports_section_anchors_p): New function.
12365 (process_options): Check that -fsection-anchors is only used on
12366 targets that support it and when -funit-at-a-time is in effect.
12367 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12368 if the decl doesn't have one.
12369 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12370 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12371 of force_const_mem through use_anchored_address.
12372 (expand_expr_constant): New function.
12373 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12374 calling expand_expr for INDIRECT_REF.
12375 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12376 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12377 * expr.h (use_anchored_address): Declare.
12378 * loop-unroll.c: Don't declare rtx vectors here.
12379 * explow.c: Include output.h.
12380 (validize_mem): Call use_anchored_address.
12381 (use_anchored_address): New function.
12382 * common.opt (-fsection-anchors): New switch.
12383 * varasm.c (object_block_htab, anchor_labelno): New variables.
12384 (hash_section, object_block_entry_eq, object_block_entry_hash)
12385 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12386 (use_blocks_for_decl_p, change_symbol_section): New functions.
12387 (get_variable_section): New function, split out from assemble_variable.
12388 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12389 use_blocks_for_decl_p say so. Use change_symbol_section if the
12390 symbol has already been created.
12391 (assemble_variable_contents): New function, split out from...
12392 (assemble_variable): ...here. Don't output any code for
12393 block symbols; just pass them to place_block_symbol.
12394 Use get_variable_section and assemble_variable_contents.
12395 (get_constant_alignment, get_constant_section, get_constant_size): New
12396 functions, split from output_constant_def_contents.
12397 (build_constant_desc): Create a block symbol if use_object_blocks_p
12398 says so. Or into SYMBOL_REF_FLAGS.
12399 (assemble_constant_contents): New function, split from...
12400 (output_constant_def_contents): ...here. Don't output any code
12401 for block symbols; just pass them to place_section_symbol.
12402 Use get_constant_section and get_constant_alignment.
12403 (force_const_mem): Create a block symbol if use_object_blocks_p and
12404 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12405 (output_constant_pool_1): Add an explicit alignment argument.
12406 Don't switch sections here.
12407 (output_constant_pool): Adjust call to output_constant_pool_1.
12408 Switch sections here instead. Don't output anything for block symbols;
12409 just pass them to place_block_symbol.
12410 (init_varasm_once): Initialize object_block_htab.
12411 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12412 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12413 (place_block_symbol, get_section_anchor, output_object_block)
12414 (output_object_block_htab, output_object_blocks): New functions.
12415 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12416 (TARGET_ASM_OUT): Include it.
12417 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12418 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12419 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12420 (TARGET_INITIALIZER): Include them.
12421 * rtl.c (rtl_check_failed_block_symbol): New function.
12422 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12423 (block_symbol, object_block): New structures.
12424 (rtx_def): Add a block_symbol field to the union.
12425 (BLOCK_SYMBOL_CHECK): New macro.
12426 (rtl_check_failed_block_symbol): Declare.
12427 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12428 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12429 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12430 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12431 * output.h (output_section_symbols): Declare.
12432 (object_block): Name structure.
12433 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12434 (default_use_anchors_for_symbol_p): Declare.
12435 * Makefile.in (RTL_BASE_H): Add vec.h.
12436 (explow.o): Depend on output.h.
12437 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12438 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12439 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12440 (rs6000_use_blocks_for_constant_p): New function.
12442 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12444 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12446 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12449 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12452 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12454 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12458 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12460 PR middle-end/26334
12461 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12462 instead of DECL_REGISTER.
12464 2006-02-18 Olivier Hainque <hainque@adacore.com>
12467 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12469 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12472 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12473 * opth-gen.awk: Handle Var and InverseMask together.
12474 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12475 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12476 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12477 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12479 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12480 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12481 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12482 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12483 LINUX_DYNAMIC_LINKER): Define.
12484 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12485 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12487 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12488 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12489 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12491 (TARGET_C99_FUNCTIONS): Don't define.
12492 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12493 GLIBC_DYNAMIC_LINKER.
12494 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12495 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12496 GLIBC_DYNAMIC_LINKER64): Define.
12497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12498 LINUX_DYNAMIC_LINKER64.
12499 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12501 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12503 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12505 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12506 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12507 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12509 and LINUX_DYNAMIC_LINKER32.
12510 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12512 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12514 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12516 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12517 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12518 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12519 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12520 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12521 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12522 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12523 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12524 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12525 LINUX_DYNAMIC_LINKER): Define.
12526 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12527 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12528 GLIBC_DYNAMIC_LINKER64): Define.
12529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12530 LINUX_DYNAMIC_LINKER64.
12531 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12532 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12533 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12534 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12535 LINUX_DYNAMIC_LINKER): Define.
12536 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12537 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12538 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12539 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12540 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12541 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12542 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12543 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12544 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12545 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12547 * doc/invoke.texi (-muclibc): Remove caveat about supported
12550 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12552 * doc/cpp.texi (__TIMESTAMP__): Document.
12554 2006-02-17 Roger Sayle <roger@eyesopen.com>
12556 PR middle-end/25600
12557 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12558 C is one less than the width of X (and related transformations).
12559 * simplify-rtx.c (simplify_unary_operation_1): Transform
12560 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12561 depending on STORE_FLAG_VALUE, were C is one less then the
12564 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12566 Fix PR tree-optimization/26341
12567 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12568 about NAME_MEMORY_TAG's.
12570 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12573 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12574 with hardware float support, and software float support. Add fcpy
12575 alternative to hardware patterns. Add alternatives to copy between
12576 general and floating-point registers to the 32-bit pattern.
12577 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12578 secondary reload to load a QI or HI mode constant into a floating
12580 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12581 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12583 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12586 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12588 (load_macho_picbase_di): Likewise.
12590 2006-02-16 Jeff Law <law@redhat.com>
12592 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12593 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12594 (ssa_name_nonzero_p): Likewise.
12595 (get_value_range): Return NULL if VRP is not running.
12596 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12597 VRP routines do not discover a range.
12598 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12599 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12600 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12601 (tree_expr_nonnegative_p): Similarly.
12602 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12603 (restore_nonzero_vars_to_original_value): Remove.
12604 (unsafe_associative_fp_binop): Remove.
12605 (tree_ssa_dominator_optimize): Remove initialization and
12606 finalization of nonzero_vars and nonzero_vars_stack.
12607 (dom_opt_initialize_block): No longer push marker on
12608 nonzero_vars_stack.
12609 (dom_opt_finalize_block): No longer call
12610 restore_nonzero_vars_to_original_value.
12611 (record_equivalences_from_phis): No longer look for
12612 nonzero PHI arguments.
12613 (cprop_into_successor_phis): No longer propagate nonzero
12614 property into PHI arguments. Lose unused argument. Caller
12616 (record_equivalences_from_stmt): No longer record nonzero
12617 values for SSA_NAMEs.
12618 (lookup_avail_expr): No longer use nonzero_vars.
12620 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12621 for sizetype when sizetype is unsigned.
12623 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12625 PR rtl-optimization/25603
12626 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12627 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12628 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12629 with new meaning of SETS.
12631 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12636 * config/linux.opt: New file.
12637 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12638 LINUX_DYNAMIC_LINKER): Define.
12639 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12640 * config.gcc (*-*-linux*): Define extra_options.
12641 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12642 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12643 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12644 GLIBC_DYNAMIC_LINKER.
12645 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12646 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12647 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12649 * doc/invoke.texi (GNU/Linux Options): New section.
12651 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12653 * config/sparc/sparc.md (setjmp): Rewrite.
12654 (setjmp_32): Delete.
12655 (setjmp_64): Likewise.
12657 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12659 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12662 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12664 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12667 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12669 PR rtl-optimization/26296
12670 * Makefile.in (loop-invariant.c): Add except.h dependency.
12671 * loop-invariant.c: Include except.h.
12672 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12674 2005-02-16 Paul Brook <paul@codesourcery.com>
12676 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12679 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12681 PR rtl-optimization/25636
12682 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12683 when deciding whether an insn is an initializing insn.
12685 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12687 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12688 (tree_code_size): Ditto.
12689 * tree.h (struct tree_memory_tag): Remove parent_var.
12690 (struct tree_struct_field_tag): New.
12693 (union tree_node): Add sft member.
12694 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12696 (create_sft): Add size and offset argument, set SFT_OFFSET and
12698 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12699 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12700 * tree-flow-inline.h (get_subvar_at): Update for
12701 SFT_OFFSET/SFT_SIZE.
12702 (var_can_have_subvars): Ditto.
12703 (overlap_subvar): Ditto.
12704 * print-tree.c (print_node): Print out interesting things for
12706 * tree-flow.h (struct subvar): Remove offset and size members.
12707 * tree-ssa-operands.c (get_expr_operands): Update for
12708 get_indirect_ref_operands changes.
12709 (get_indirect_ref_operands): Call add_virtual_operand instead of
12710 add_stmt_operand. Only recurse on base var if requested.
12711 (access_can_touch_variable): New function.
12712 (add_stmt_operand): Split virtual operand handling into ...
12713 (add_virtual_operand): Here. Add offset, size, and for_clobber
12714 arguments. Prune alias sets.
12715 (add_call_clobber_ops): Call add_virtual_operand.
12717 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12719 PR middle-end/26300
12720 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12722 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12723 than TREE_CODE as index into omp_clause_num_ops array.
12725 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12727 PR rtl-optimization/26184
12728 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12730 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12731 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12732 must_precede, must_follow and tobe_scheduled.
12735 * opts.c (common_handle_option): Free new_option pointer.
12736 * df-core.c (df_analyze): Free postorder pointer.
12738 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12740 * Makefile.in: Fix the examples about the use of stamps
12742 2006-02-15 Michael Matz <matz@suse.de>
12744 PR middle-end/22275
12746 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12747 influenced by maximum_field_alignment or DECL_PACKED.
12748 (update_alignment_for_field): Ditto.
12749 (place_field): Ditto.
12750 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12753 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12755 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12756 (debug_flow_info): Pass it.
12757 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12758 * bb-reorder.c (reorder_basic_blocks): Likewise.
12759 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12760 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12761 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12762 * gcse.c (gcse_main, bypass_jumps): Likewise.
12763 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12764 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12765 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12766 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12767 * rtl.h (dump_flow_info): Adjust prototype.
12768 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12769 * var-tracking.c (variable_tracking_main): Likewise.
12770 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12771 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12774 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12776 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12779 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12781 PR tree-optimization/26209
12782 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12783 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12785 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12787 2006-02-14 Roger Sayle <roger@eyesopen.com>
12789 PR middle-end/23670
12790 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12791 (X,Y) and the corresponding symmetry related transformations.
12792 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12793 (X,Y) and its symmetry related transformations.
12795 2006-02-14 Roger Sayle <roger@eyesopen.com>
12797 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12800 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12802 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12804 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12807 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12808 support COMDAT group.
12809 * configure: Regenerate.
12811 2006-02-14 Roger Sayle <roger@eyesopen.com>
12813 PR middle-end/26279
12814 PR middle-end/26280
12815 PR middle-end/26283
12816 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12818 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12820 Fix PR tree-optimization/26260
12822 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12824 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12825 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12826 * tree-ssa-structalias.c (create_variable_info_for): Use
12827 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12829 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12831 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12833 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12834 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12835 of the ending condition.
12836 * tree-ssa-loop-manip.c: Include params.h.
12837 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12838 tree_unroll_loop): New functions.
12839 * tree-pass.h (pass_loop_prefetch): Declare.
12840 * loop.c (rest_of_handle_loop_optimize): Test for
12841 -fprefetch-loop-arrays-rtl.
12842 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12843 * timevar.def (TV_TREE_PREFETCH): New timevar.
12844 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12845 pass_loop_prefetch): New.
12846 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12847 (cleanup_tree_cfg_loop): Call scev_reset.
12848 * common.opt (fprefetch-loop-arrays-rtl): Add.
12849 * tree-ssa-loop-prefetch.c: New file.
12850 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12851 (new_temp_expr_table): Initialize expr_vars.
12852 (free_temp_expr_table): Cleanup expr_vars.
12853 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12854 expressions from being merged into one.
12855 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12856 (struct tree_niter_desc): Add control, bound and cmp fields.
12857 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12859 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12860 (tree-cfgcleanup.o): Add SCEV_H dependency.
12861 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12862 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12864 2006-02-14 Richard Guenther <rguenther@suse.de>
12866 PR tree-optimization/26258
12867 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12868 in PHI argument processing.
12870 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12872 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12873 new expression in the requested machine mode.
12875 2006-02-13 Roger Sayle <roger@eyesopen.com>
12877 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12878 directly, instead let do_compare_rtx_and_jump handle this for us.
12879 * expr.c (expand_expr_real_1): Likewise.
12880 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12881 before do_jump_by_parts_greater.
12882 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12883 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12885 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12887 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12889 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12891 PR rtl-optimization/26235
12892 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12893 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12896 2006-02-13 Jeff Law <law@redhat.com>
12898 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12901 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12903 PR middle-end/26092
12904 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12905 twice if decl is a builtin. When trying again, call get_callee_fndecl
12906 first to verify it is still a builtin.
12908 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12910 * dwarf2out.c (base_type_die): Don't add AT_name here.
12911 (subrange_type_die): Don't add AT_name here.
12912 (modified_type_die): Rearrange code flow. Do add AT_name here.
12914 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12916 PR rtl-optimization/26247
12917 PR rtl-optimization/26248
12918 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12920 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12922 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12923 * config/fixtfdi.c: Likewise.
12924 * config/fixunstfdi.c: Likewise.
12925 * config/floatditf.c: Likewise.
12927 2006-02-13 Roger Sayle <roger@eyesopen.com>
12929 PR middle-end/24427
12930 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12931 into (X,C2) if C1 is a subset of the bits of C2. Transform
12932 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12934 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12936 2006-02-13 Josh Conner <jconner@apple.com>
12939 * varasm.c (function_section): Check for section name before
12940 calling select_section on targets that define
12941 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12942 unlikely_text_section instead of hot_function_section if
12943 first_function_block_is_cold.
12945 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12947 PR middle-end/25335
12948 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12950 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12952 PR rtl-optimization/26222
12953 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12954 after tree->rtl expansion.
12955 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12956 before passing it to emit_move_insn.
12958 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12960 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12962 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12963 Clarify documentation.
12964 * c-common.h (warn_write_strings): Remove.
12965 * c-common.c (warn_write_strings): Likewise.
12966 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12969 2006-02-12 Roger Sayle <roger@eyesopen.com>
12971 PR middle-end/25724
12972 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12973 (do_jump_parts_zero_rtx): New function renamed from
12974 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12975 (do_jump_parts_equality_rtx): New function split out from
12976 do_jump_parts_equality. Old implementation renamed as above.
12977 Call do_jump_parts_zero_rtx if either operand is zero.
12978 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12979 do all of the heavy lifting.
12980 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12981 calling either do_jump_by_parts_greater_rtx or
12982 do_jump_by_parts_equality_rtx.
12983 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12984 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12985 moved to do_compare_rtx_and_jump, call it directly.
12986 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12987 mode argument. Call do_compare_rtx_and_jump.
12988 (emit_case_nodes): Update calls to do_jump_if_equal.
12990 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12992 PR rtl-optimization/26225
12993 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12995 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12997 PR rtl-optimization/26232
12998 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13000 2006-02-11 Jason Merrill <jason@redhat.com>
13003 * tree-inline.c (declare_return_variable): Just don't use the
13004 modify target if it's a gimple complex reg and the return slot
13007 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13009 * doc/contrib.texi: Update my entry.
13011 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13013 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13015 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13017 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13020 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13022 * doc/invoke.texi (-floop-optimize2): Removed.
13023 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13024 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13025 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13026 * common.opt (floop-optimize2): Removed.
13027 (fmove-loop-invariants): Enabled by default.
13029 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13031 * tree-if-conv.c (combine_blocks): Free the result of
13032 get_loop_exit_edges.
13034 2006-02-10 Jeff Law <law@redhat.com>
13036 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13038 PR tree-optimization/26213
13039 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13040 loop trying to follow SSA_NAME_VALUE chains.
13042 2006-02-10 Richard Guenther <rguenther@suse.de>
13044 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13045 deal with structures that end in implicitly variable sized arrays.
13047 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13049 PR rtl-optimization/24762
13050 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13053 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13055 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13056 (struct ivopts_data): Add regs_used field.
13057 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13058 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13059 instead of loop_data->regs_used;
13060 (free_loop_data): Do not free aux fields for loops.
13061 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13062 and tree_ssa_iv_optimize_finalize.
13064 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13066 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13068 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13071 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13072 computing the effective result type.
13074 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13076 PR inline-asm/16194
13077 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13078 (tree_overlaps_hard_reg_set): Declare.
13079 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13080 type and signature to match function type expected by walk_tree.
13081 (tree_overlaps_hard_reg_set): New function.
13082 (decl_conflicts_with_clobbers_p): Rename to:
13083 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13084 Use tree_overlaps_hard_reg_set. Changed caller.
13085 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13086 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13087 * cris.c (cris_md_asm_clobbers): Likewise.
13089 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13091 * reload1.c (emit_input_reload_insns): Delete code that tries to
13092 inherit using find_equiv_reg.
13094 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13096 * c-common.h (flag_const_strings): Don't declare.
13097 * c-common.c (flag_const_strings): Remove.
13098 * c.opt (fconst_strings): Remove.
13099 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13100 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13101 (c_common_init_options): Don't set flag_const_strings.
13102 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13104 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13106 * arm.md (tlobits_cbranch): New pattern.
13107 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13108 testing a single bit.
13110 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13113 * tree-ssa-pre.c (create_component_ref_by_pieces):
13114 Handle RETURN_DECL like VAR_DECL.
13116 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13118 PR middle-end/26134
13119 * fold-const.c (fold_indirect_ref_1): Fold
13120 "*(foo *)&complexfoo" to "__real__ complexfoo"
13121 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13123 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13125 * tree-flow-inline.h (var_can_have_subvars):
13126 Volatile variables should not have subvariables.
13128 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13131 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13132 multiplying unsigned values.
13135 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13137 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13139 2006-02-08 Jason Merrill <jason@redhat.com>
13142 * tree.def: Elaborate on difference from MODIFY_EXPR.
13143 * doc/c-tree.texi (INIT_EXPR): Likewise.
13144 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13145 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13146 (gimplify_target_expr): Likewise.
13147 (gimplify_cond_expr): Remove target handling.
13148 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13149 (gimplify_expr): Clobber it here.
13150 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13151 Do return slot optimization if we have an INIT_EXPR.
13154 * tree-inline.c (declare_return_variable): Also clear
13155 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13158 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13160 PR middle-end/22439
13161 * gimplify.c (gimplify_one_sizepos): Fix typo.
13163 2006-02-08 Jeff Law <law@redhat.com>
13165 PR tree-optimization/21417
13166 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13167 across a backedge if the control statement at the end of the
13168 block is data dependent on other statements in the same block.
13169 (record_temporary_equivalences_from_stmts): Remove over-conservative
13170 test for threading across backedges.
13172 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13173 control statement, handle all three special cases in the same
13174 manner as they all have the same desired solution. No longer
13175 special case edge flag updating when the post dominator is
13178 2006-02-08 Roger Sayle <roger@eyesopen.com>
13180 * tree.def (CHAR_TYPE): Remove.
13181 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13182 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13183 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13184 (gen_string_type_die): Delete unreachable function.
13186 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13187 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13188 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13189 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13190 * builtins.c (type_to_class): Likewise.
13191 * fold-const.c (fold_convert, build_range_check,
13192 merge_ranges): Likewise.
13193 * expr.c (count_type_elements): Likewise.
13194 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13195 * stor-layout.c (layout_type): Likewise.
13196 * ipa-type-escape.c (type_to_consider): Likewise.
13197 * gimplify.c (omp_firstprivatize_type_sizes,
13198 gimplify_type_sizes): Likewise.
13199 * explow.c (promote_mode): Likewise.
13200 * tree-sra.c (is_sra_scalar_type): Likewise.
13201 * varasm.c (output_constant): Likewise.
13202 * tree-inline.c (remap_type_1): Likewise.
13203 * convert.c (convert_to_pointer, convert_to_real,
13204 convert_to_integer, convert_to_complex): Likewise.
13206 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13208 * df-scan.c (df_def_record_1): A set destination may
13209 be a parallel regardless of mode.
13211 2006-02-08 Roger Sayle <roger@eyesopen.com>
13214 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13215 * config/mips/_tilib.c: Remove.
13216 * config/fixtfdi.c: New libgcc source file.
13217 * config/fixunstfdi.c: New source file.
13218 * config/floatditf.c: New source file.
13219 * config/floatunditf.c: New souce file.
13220 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13221 files above instead of config/mips/_tilib.c.
13222 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13224 2006-02-08 Jeff Law <law@redhat.com>
13226 PR tree-optimization/26169
13227 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13230 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13232 * df.h (DF_REG_SIZE): Return the length of the initialized
13235 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13237 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13238 __muldf3): Return a correctly signed zero.
13240 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13242 * passes.c (register_one_dump_file): Accept the current properties
13243 instead of pass number. Adjust call to dump_register. Remove
13245 (register_dump_files): Now a wrapper around...
13246 (register_dump_files_1): ... this one. Do not modify the pass
13248 (next_pass_1): Cosmetic fix.
13249 (execute_todo): Keep second parameter only. Use curr_properties
13250 instead of fetching it from the pass structure. Check and set
13252 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13253 instead of fetching it from the pass structure. Fix calls to
13254 execute_todo. Update curr_properties and initialize .vcg RTL dump
13255 after running the pass. Reset last_verified.
13256 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13258 (FIRST_AUTO_NUMBERED_DUMP): New.
13259 (dump_register): Remove "num" parameter, assign it within the
13261 (get_dump_file_name): Modify template for dumps.
13262 * tree-dump.h (dump_register): Adjust prototype.
13263 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13264 (PROP_trees): Add PROP_gimple_lomp.
13265 (TODO_set_props): New.
13266 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13267 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13268 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13270 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13272 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13273 (sparc64-*-linux*): Likewise.
13274 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13275 * config/sparc/t-linux: New file.
13276 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13277 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13278 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13279 -m32 -mlong-double-128.
13281 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13282 * config/alpha/t-linux: New file.
13283 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13285 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13286 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13287 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13288 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13289 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13290 (CPP_ARCH32_SPEC): Remove.
13292 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13294 PR tree-optimization/26145
13295 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13298 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13301 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13302 >= 240000 when generating code for SOM runtime.
13303 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13304 to $$dyncall when generating code for SOM runtime..
13306 2006-02-07 Dirk Mueller <dmueller@suse.com>
13309 * doc/invoke.texi (-Wsequence-point): Update documentation
13310 that -Wsequence-point is implemented for C++ as well.
13312 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13314 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13315 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13316 (LIB_SPEC): Likewise.
13317 * doc/invoke.texi (SPARC options): Document -pthread.
13319 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13321 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13324 2006-02-07 Roger Sayle <roger@eyesopen.com>
13326 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13327 Correct comment describing BOOLEAN_TYPE.
13329 2006-02-07 Dirk Mueller <dmueller@suse.com>
13331 * c.opt: C++ frontend supports -Wdiv-by-zero.
13332 * c-opts.c (c_common_handle_option): Remove dead case.
13334 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13336 * configure.ac (TLS assembler check): Do not enable TLS by
13337 default on SPARC/Solaris before version 10.
13338 * configure: Regenerate.
13340 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13342 * doc/invoke.texi (xl-compat): Document conversion and support
13345 2006-02-07 Jeff Law <law@redhat.com>
13347 * tree-vrp.c (find_conditional_asserts): Update comments.
13348 (simplify_stmt_for_jump_threading): New.
13349 (identify_jump_threads, finalize_jump_threads): New.
13350 (vrp_finalize): Call identify_jump_threads.
13351 (execute_vrp): Call finalize_jump_threads.
13352 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13353 (vrp_element, vrp_data, vrp_element_p): Remove.
13354 (vrp_hash_elt, vrp_variables_stack): Remove.
13355 (vrp_hash, vrp_eq, record_range): Remove.
13356 (simplify_cond_and_lookup_avail_expr): Remove.
13357 (extract_range_from_cond): Remove.
13358 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13359 (simplify_stmt_for_jump_threading): New.
13360 (dom_thread_across_edge): New wrapper.
13361 (tree_ssa_dominator_optimize): No longer initialize or
13362 finalize any of the VRP datastructures. Remove iteration
13363 step and simplify as a result of removal of iteration step.
13364 (pass_dominator): Perform a cfg cleanup after DOM.
13365 (dom_opt_finalize_block): Use the new common routines
13366 for threading jumps. Simplify stack management slightly.
13367 No longer need to unwind VRP state.
13368 (record_equivalences_from_incoming_edge): No longer record
13370 (eliminate_redundant_computations): No longer call
13371 simplify_cond_and_lookup_avail_expr.
13372 * tree-flow.h (potentially_threadable_block): Prototype.
13373 (thread_across_edge): Likewise.
13374 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13375 (tree-ssa-threadedge.o): Add dependencies.
13376 * tree-ssa-threadedge.c: New file.
13377 * passes.c (init_optimization_passes): Merge PHIs before
13378 calling VRP. Run VRP again late in the SSA optimization pipeline.
13380 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13382 * df-core.c (df_set_blocks): Do not dereference function pointers.
13383 (df_finish1): Likewise.
13384 (df_hybrid_search_forward): Likewise.
13385 (df_hybrid_search_backward): Likewise.
13386 (df_iterative_dataflow): Likewise.
13387 (df_analyze_problem): Likewise.
13388 (df_compact_blocks): Likewise.
13389 (df_dump): Likewise.
13390 * df-scan.c (df_rescan_blocks): Likewise.
13391 (df_record_entry_block_defs): Likewise.
13393 * genconditions.c (write_conditions): Guard the definition of
13394 'insn_conditions' with the check on GCC version.
13395 (write_writer): Guard the traversal 'insn_conditions' with
13396 the check on GCC version.
13398 2006-02-07 Richard Guenther <rguenther@suse.de>
13402 2006-01-30 Richard Guenther <rguenther@suse.de>
13404 * gimplify.c (gimplify_target_expr): Handle easy cases
13405 without creating a temporary.
13407 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13409 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13410 use of float in probability computations. Use edge probabilities
13411 in place of statically computed probabilities.
13412 (min_spec_prob): New static variable.
13413 (schedule_insns): Initialize it.
13414 (GET_SRC_PROB): Removed.
13415 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13417 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13420 * config/ia64/unwind-ia64.c: Revert last change.
13421 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13422 (INCOMING_FRAME_SP_OFFSET): Define.
13424 2006-02-06 Roger Sayle <roger@eyesopen.com>
13426 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13428 2006-02-07 Ben Elliston <bje@au.ibm.com>
13430 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13431 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13432 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13433 (ix86_return_in_memory): Handle TDmode.
13434 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13435 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13437 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13439 * reorg.c (dbr_schedule): Use dump_file instead of file.
13441 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13444 * config/ia64/predicates.md (extr_len_operand): New predicate.
13445 * config/ia64/ia64.md (extv): Tighten constraints.
13447 (*tbit_and_2): Ditto.
13448 (*tbit_and_3): Ditto.
13449 (*tbit_or_2): Ditto.
13450 (*tbit_or_3): Ditto.
13451 (*bit_zero): Ditto.
13454 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13457 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13459 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13461 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13462 loop_optimizer_init and loop_optimizer_finalize
13463 * tree-ssa-sink.c (execute_sink_code): Ditto.
13464 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13465 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13466 tree_ssa_loop_done): Ditto.
13467 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13468 * sched-ebb.c: Include output.h.
13469 (schedule_ebbs): Do not use dump argument.
13470 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13471 * loop.c (loop_dump_stream): Removed.
13472 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13474 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13475 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13476 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13477 loop_iterations, strength_reduce, record_biv, record_giv,
13478 final_giv_value, check_final_value, check_ext_dependent_givs,
13479 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13480 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13481 dump_file instead of loop_dump_stream.
13482 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13483 argument dump_file.
13484 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13486 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13487 * haifa-sched.c: Include output.h
13488 (schedule_insns, sched_init): Do not use dump argument.
13489 * mode-switching.c (optimize_mode_switching): Ditto.
13490 * modulo-sched.c (stats_file): Removed.
13491 (print_node_sched_params): Do not call argument dump_file.
13492 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13493 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13495 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13497 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13498 rtl_loop_init, rtl_loop_done): Ditto.
13499 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13500 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13502 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13503 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13504 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13505 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13506 * emit-rtl.c (renumber_insns): Ditto.
13507 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13508 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13509 * regclass.c (regclass): Ditto.
13510 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13511 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13512 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13513 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13515 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13516 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13518 * gcse.c (gcse_file, debug_stderr): Removed.
13519 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13520 rest_of_handle_gcse): Do not use dump argument.
13521 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13522 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13523 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13524 compute_code_hoist_vbeinout, compute_code_hoist_data,
13525 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13526 compute_store_table, build_store_vectors, insert_insn_start_bb,
13527 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13528 store_motion): Use dump_file instead of gcse_file.
13529 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13530 * profile.c (profile_dump_file): Removed.
13531 (branch_prob): Use dump_file instead of profile_dump_file.
13532 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13534 * tree-ssa-copy.c (dump_copy_of): Ditto.
13535 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13536 dump file to life_analysis.
13537 * bt-load.c (branch_target_load_optimize): Ditto.
13538 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13540 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13541 regclass, dbr_schedule): Declaration changed.
13542 * sched-int.h (sched_init): Declaration changed.
13543 * tree-profile.c (tree_profile_dump_file): Removed.
13544 (tree_profile_hooks): Removed profile_dump_file hook.
13545 * rtl-profile (rtl_profile_dump_file): Removed.
13546 (rtl_profile_hooks): emoved profile_dump_file hook.
13547 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13549 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13550 * tree-cfg.c (build_tree_cfg): Ditto.
13551 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13552 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13553 Declaration changed.
13554 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13555 life_analysis and schedule_insns.
13556 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13558 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13560 * config/mips/mips.c (mips_reorg): Ditto.
13561 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13564 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13566 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13567 (s390_mangle_fundamental_type): New.
13568 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13571 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13572 (alpha_mangle_fundamental_type): New.
13573 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13576 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13578 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13580 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13581 (sparc_mangle_fundamental_type): New.
13583 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13585 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13586 (s390x-*-linux*): Likewise.
13587 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13588 * config/s390/t-linux: New file.
13590 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13592 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13593 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13595 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13597 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13598 (ANTIC_SAFE_LOADS): New macro.
13599 (find_or_generate_expression): Add prototype.
13600 (set_contains_value): Allow null set for sake of not always having
13601 to allocate ANTIC_SAFE_LOADS.
13602 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13603 Allow COMPONENT_REF too.
13604 (valid_in_set): Allow COMPONENT_REF.
13605 Check ANTIC_SAFE_LOADS too.
13606 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13607 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13609 (can_PRE_operation): Add COMPONENT_REF.
13610 (create_component_ref_by_pieces): New function.
13611 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13612 (insert_aux): Move AGGREGATE_TYPE_P check here.
13613 (compute_avail): Set bb local stmt uids.
13614 (pass_pre): Use TODO_update_ssa_only_virtuals.
13616 2006-02-06 Ben Elliston <bje@au.ibm.com>
13618 * configure.ac: Unconditionally disable decimal float by default.
13619 * configure: Regenerate.
13621 2006-02-06 Ben Elliston <bje@au.ibm.com>
13623 * read-rtl.c (read_name): Terminate reading on EOF.
13625 2006-02-06 Ben Elliston <bje@au.ibm.com>
13627 * dfp.c (decimal_real_arithmetic): Change second argument type
13628 from int to enum tree_code. Do not always return true, but now
13629 return result of any call to decimal_do helper functions.
13630 * dfp.h (decimal_real_arithmetic): Update prototype.
13632 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13634 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13636 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13639 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13642 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13644 * tree-vrp.c (cfg_loops): Removed.
13645 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13646 Use current_loops instead of cfg_loops. Pass flags to
13647 loop_optimizer_init.
13648 * cfgloopmanip.c (fix_loop_structure): Update only available
13650 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13651 loop_optimizer_init.
13652 * modulo-sched.c (build_loops_structure): Removed.
13653 (sms_schedule): Use loop_optimizer_init.
13654 * loop-init.c (loop_optimizer_init): Use flags to determine
13655 which properties of loops to prepare.
13656 (rtl_loop_init): Pass flags to loop_optimizer_init.
13657 * tree-ssa-sink.c (execute_sink_code): Ditto.
13658 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13659 * tree-ssa-pre.c (init_pre): Ditto.
13660 * cfgloop.h (LOOPS_NORMAL): New.
13661 (loop_optimizer_init): Declaration changed.
13663 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13665 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13666 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13668 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13670 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13672 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13673 * pa/t-pa64: Delete quadlib.c rule.
13674 * pa/x-ada: Revert last change.
13675 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13677 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13679 PR rtl-optimization/26087
13680 * rtlanal.c (canonicalize_condition): Do not cross basic block
13683 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13686 * config/ia64/ia64.c: Include debug.h.
13687 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13688 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13689 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13690 (process_epilogue, process_set, process_for_unwind_directive):
13691 Output unwind info only if requested. Add CFA info if requested.
13692 Add new arguments as needed. Adjust callers.
13693 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13695 (DWARF2_FRAME_INFO): Define to zero.
13696 * config/ia64/unwind-ia64.c: Remove code that compensated for
13697 the CFA offset error fixed above.
13698 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13699 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13700 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13701 -funwind-tables and -fexceptions to enable frame info.
13702 (dwarf2out_frame_init): Define initial CFA even if
13703 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13704 DWARF2_UNWIND_INFO is nonzero, not just defined.
13705 (dwarf2out_frame_finish): Output non-EH call frame info only
13706 if DWARF2_FRAME_INFO is nonzero.
13707 (convert_cfa_to_loc_list,
13708 compute_frame_pointer_to_cfa_displacement): Define even if
13709 unwind info is not supported.
13710 (gen_subprogram_die): Use the above unconditionally. Remove
13711 legacy alternate code.
13712 * toplev.c (compile_file): Compile in call to
13713 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13714 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13716 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13717 Jakub Jelinek <jakub@redhat.com>
13719 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13720 IBM extended float format long double as "g" on powerpc*-linux.
13722 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13725 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13726 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13728 2006-02-03 Jason Merrill <jason@redhat.com>
13731 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13733 PR middle-end/25977
13734 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13735 on the return slot if it's an NRV.
13737 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13739 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13740 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13741 rewrite_use): Do not handle USE_OUTER.
13742 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13743 add_iv_outer_candidates, may_replace_final_value,
13744 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13745 (find_interesting_uses_op): Functionality of
13746 find_interesting_uses_outer_or_nonlin moved here.
13747 (find_interesting_uses_outside): Use find_interesting_uses_op.
13749 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13752 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13754 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13755 Ulrich Weigand <uweigand@de.ibm.com>
13758 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13759 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13760 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13761 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13763 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13764 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13765 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13766 Define secondary reloads for TFmode moves.
13767 (constant_modes): Add TFmode.
13768 (NR_C_MODES): Set to 8.
13769 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13771 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13772 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13773 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13774 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13775 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13776 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13777 (FPR mode macro): Add TFmode.
13778 (DSF mode macro): New.
13779 (<de>, <dee> mode attributes): Removed.
13780 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13781 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13782 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13783 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13784 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13785 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13786 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13787 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13788 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13789 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13790 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13791 "*negabs<mode>2", "sqrt<mode>2"):
13792 Changed <de> to <xde>. R constraint replaced by <Rf>.
13793 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13795 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13796 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13797 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13799 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13800 "extenddftf2", "extendsftf2"): New expanders.
13801 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13802 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13803 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13804 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13806 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13807 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13808 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13809 __floatditf): Add a GCC_4.1.0 symbol version tag.
13810 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13813 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13816 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13817 Use targetm.binds_local_p instead of TREE_PUBLIC.
13819 2006-02-02 Roger Sayle <roger@eyesopen.com>
13821 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13822 on INTEGER_TYPEs to indicate that it denotes a character type.
13823 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13824 signed_char_type_node, unsigned_char_type_node and char_type_node.
13825 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13826 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13827 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13829 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13830 Daniel Berlin <dberlin@dberlin.org>
13832 * tree-tailcall.c (arg_needs_copy_p): New function.
13833 (eliminate_tail_call): Use arg_needs_copy_p.
13834 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13835 (add_virtual_phis): New function.
13837 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13839 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13840 #ignore instead of #scratch for %g7 .register directive.
13842 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13844 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13847 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13849 * flow.c (calculate_global_regs_live): Assert that there aren't any
13852 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13854 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13855 what its name says.
13856 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13857 bsi_after_labels iterator.
13858 * tree-if-conv.c (find_phi_replacement_condition,
13859 replace_phi_with_cond_modify_expr): Likewise.
13860 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13861 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13863 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13865 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13867 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13870 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13871 array after growing it.
13873 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13875 PR middle-end/24901
13876 * fold-const.c (fold_checksum_tree): Change type of buf.
13878 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13880 * reload.c (push_secondary_reload): Initialize t_icode.
13882 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13884 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13885 -msoft-float -mlong-double-128 only issue a warning, but don't
13886 swich to DFmode long double.
13888 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13890 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13891 has a constant equivalent, iterate over equivalents for arg0,
13892 calling simplify_relational_operation and if there's a result
13893 cheaper than X, apply fold_rtx and return the result.
13895 2006-02-01 Jan Hubicka <jh@suse.cz>
13897 * opts.c (no_unit_at_a_time_default): New global variable.
13898 (decode_options): Use it.
13899 * opts.h (no_unit_at_a_time_default): Declare.
13901 2006-02-01 Paul Brook <paul@codesourcery.com>
13903 * function.c (assign_parm_setup_reg): Use function argument promotion
13905 * expr.c (expand_expr_real_1): Use function argument promotion rules
13908 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13910 * gcc.c (process_command): Change j to 'unsigned int'.
13912 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13914 PR middle-end/26001
13915 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13916 Use the corrected index for the character
13917 out of the string constant.
13919 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13921 * mode-switching.c (optimize_mode_switching): Fix size
13922 allocated for bb_info[n_entities].
13924 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13926 * gcc.c (main): Correct type that is allocated for
13927 explicit_link_files.
13929 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13931 * config/s390/s390.c (init_alignment_context): Set
13932 ALIAS_SET_MEMORY_BARRIER on the MEM.
13933 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13935 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13937 PR middle-end/25933
13938 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13940 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13943 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13945 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13946 * regrename.c: Ditto.
13947 * tree-ssa-loop-im.c: Ditto.
13948 * tree-dump.c: Ditto.
13949 * tree-complex.c: Ditto.
13950 * genrecog.c: Ditto.
13951 * tree-ssa-threadupdate.c: Ditto.
13953 * java/class.c: Ditto.
13954 * java/jcf-parse.c: Ditto.
13955 * java/resource.c: Ditto.
13956 * java/except.c: Ditto.
13957 * java/jvspec.c: Ditto.
13958 * java/jcf-write.c: Ditto.
13959 * java/jcf-path.c: Ditto.
13960 * java/gjavah.c: Ditto.
13961 * java/zextract.c: Ditto.
13962 * java/jcf-io.c: Ditto.
13963 * java/jcf.h: Ditto.
13964 * java/buffer.c: Ditto.
13965 * java/lang.c: Ditto.
13966 * java/parse-scan.y: Ditto.
13967 * java/lex.c: Ditto.
13968 * java/lex.h: Ditto.
13969 * cfgloopmanip.c: Ditto.
13970 * postreload-gcse.c: Ditto.
13971 * tree-ssa-loop-manip.c: Ditto.
13972 * postreload.c: Ditto.
13973 * tree-ssa-loop-ch.c: Ditto.
13976 * cppspec.c: Ditto.
13977 * diagnostic.c: Ditto.
13979 * genoutput.c: Ditto.
13981 * cfghooks.c: Ditto.
13982 * cfgloopanal.c: Ditto.
13983 * objc/objc-act.c: Ditto.
13985 * genextract.c: Ditto.
13986 * genautomata.c: Ditto.
13987 * pretty-print.c: Ditto.
13988 * genemit.c: Ditto.
13989 * cgraphunit.c: Ditto.
13991 * df-scan.c: Ditto.
13992 * haifa-sched.c: Ditto.
13993 * dominance.c: Ditto.
13995 * tree-ssa-loop-ivopts.c: Ditto.
13996 * df-core.c: Ditto.
13997 * mode-switching.c: Ditto.
13998 * modulo-sched.c: Ditto.
14000 * ipa-pure-const.c: Ditto.
14002 * fix-header.c: Ditto.
14004 * tree-stdarg.c: Ditto.
14005 * ipa-utils.c: Ditto.
14006 * loop-init.c: Ditto.
14007 * ipa-inline.c: Ditto.
14008 * cfganal.c: Ditto.
14010 * alloc-pool.c: Ditto.
14011 * dwarf2out.c: Ditto.
14013 * genattrtab.c: Ditto.
14014 * tree-ssa-loop-ivcanon.c: Ditto.
14015 * predict.c: Ditto.
14016 * timevar.c: Ditto.
14018 * fortran/gfortranspec.c: Ditto.
14019 * regmove.c: Ditto.
14020 * local-alloc.c: Ditto.
14021 * langhooks.c: Ditto.
14022 * function.c: Ditto.
14023 * tree-vectorizer.c: Ditto.
14025 * ipa-type-escape.c: Ditto.
14027 * tree-if-conv.c: Ditto.
14028 * profile.c: Ditto.
14030 * tree-data-ref.c: Ditto.
14031 * loop-unroll.c: Ditto.
14032 * treelang/treetree.c: Ditto.
14034 * bt-load.c: Ditto.
14035 * ggc-common.c: Ditto.
14037 * coverage.c: Ditto.
14039 * tree-cfgcleanup.c: Ditto.
14040 * tree-ssa-pre.c: Ditto.
14041 * cfgcleanup.c: Ditto.
14042 * loop-invariant.c: Ditto.
14043 * loop-iv.c: Ditto.
14044 * ipa-prop.c: Ditto.
14045 * print-tree.c: Ditto.
14046 * conflict.c: Ditto.
14047 * ggc-page.c: Ditto.
14048 * sched-deps.c: Ditto.
14049 * regclass.c: Ditto.
14050 * tree-object-size.c: Ditto.
14051 * combine.c: Ditto.
14052 * bb-reorder.c: Ditto.
14053 * resource.c: Ditto.
14054 * var-tracking.c: Ditto.
14055 * cfgloop.c: Ditto.
14056 * df-problems.c: Ditto.
14057 * reg-stack.c: Ditto.
14059 * gccspec.c: Ditto.
14060 * sched-rgn.c: Ditto.
14061 * tree-ssa-structalias.c: Ditto.
14062 * tree-ssa-reassoc.c: Ditto.
14063 * config/darwin-c.c: Ditto.
14064 * config/darwin.c: Ditto.
14065 * config/arm/arm.c: Ditto.
14067 * collect2.c: Ditto.
14068 * reload1.c: Ditto.
14070 2006-01-31 Nicolas Pitre <nico@cam.org>
14072 * arm.md (smaxsi3): Make aware of smax_m1.
14075 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14077 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14079 2006-01-31 Richard Guenther <rguenther@suse.de>
14081 * doc/invoke.texi (-msselibm): Document.
14082 * target.h (expand_library_builtin): New target hook.
14083 * builtins.c (expand_builtin): Use expand_library_builtin.
14084 (default_expand_library_builtin): New function.
14085 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14086 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14087 (link_gcc_math_spec): Declare.
14088 (static_specs): Add link_gcc_math_spec.
14089 * expr.h (default_expand_library_builtin): Declare.
14090 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14091 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14092 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14093 * config/i386/i386.opt (msselibm): New target option.
14094 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14095 (ix86_init_sse_abi_builtins): New function.
14096 (ix86_expand_library_builtin): Likewise.
14097 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14098 (override_options): Handle error conditions wrt -msselibm.
14099 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14100 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14101 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14104 2006-01-31 Richard Guenther <rguenther@suse.de>
14105 Paolo Bonzini <bonzini@gnu.org>
14107 * doc/install.texi (--disable-libgcc-math): Document.
14109 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14111 * expr.h (expand_normal): new inline function.
14112 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14113 * dojump.c: use it.
14114 * dwarf2out.c: use it.
14117 * expmed.c: use it.
14118 * except.c: use it.
14119 * config/sparc/sparc.c: use it.
14120 * config/i386/i386.c: use it.
14121 * config/rs6000/rs6000.c: use it.
14122 * config/arm/arm.c: use it.
14123 * config/mips/mips.c: use it.
14124 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14126 2006-01-30 Roger Sayle <roger@eyesopen.com>
14128 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14129 argv to the appropriate type.
14131 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14133 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14136 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14139 * config/s390/s390.c (struct machine_function): New flag
14140 decomposed_literal_pool_addresses_ok_p.
14141 (s390_reorg): Set it before final stage of literal pool transforms.
14142 (s390_decompose_address): Only accept displacements of the form
14143 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14145 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14147 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14148 the comparison routine return.
14150 2006-01-30 Michael Matz <matz@suse.de>
14152 * global.c (find_reg): Only evict for global regs.
14153 Take n_refs into account and dump more info.
14155 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14158 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14159 (pragma_trap, pragma_nosave_low_regs): Likewise.
14160 (current_function_anonymous_args): Likewise.
14161 (sh_deferred_function_attributes): New variable.
14162 (sh_deferred_function_attributes_tail): Likewise.
14163 (print_operand): For '@', look up trap_exit attribute.
14164 (calc_live_regs): Look up trapa_handler attribute. For trapa
14165 handlers, save/restore fpscr, but don't do any other
14166 interrupt-specific saves.
14167 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14168 Fix check for partially saved registers to check for SHmedia.
14169 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14170 (sh_output_function_epilogue): Don't clear any of the removed
14172 (sh_insert_attributes): Don't check pragma_interrupt.
14173 Insert deferred attributes. Check that interrupt attribute is
14174 present for other attributes that require its presence.
14175 (sh_attribute_table): Add new attributes trapa_handler and
14177 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14178 Don't check for pragma_interrupt. Don't store argument.
14179 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14180 (sh_deferred_function_attributes): Declare.
14181 (sh_deferred_function_attributes_tail): Likewise.
14182 * sh.md (sp_switch_1): Add operand. Change generator caller.
14183 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14184 (*return_i): Don't use when trap_exit attribute is in effect.
14185 (*return_trapa): New insn pattern.
14186 * sh-c.c: New file.
14187 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14188 setting c_target_objs and cxx_target_objs.
14189 * t-sh: Add rule for sh-c.o.
14191 2006-01-30 Richard Guenther <rguenther@suse.de>
14194 * gimplify.c (gimplify_target_expr): Handle easy cases
14195 without creating a temporary.
14197 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14199 * vec.h (safe_grow): Remove duplicated line.
14201 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14204 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14205 (expand_omp): ... here.
14206 (expand_omp_parallel): Only remove barriers for combined
14207 parallel+workshare constructs.
14209 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14213 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14214 * tree.c (build_qualified_type): Chain the new type to the original
14215 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14216 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14217 (build_pointer_type_for_mode): Only return unqualified types.
14218 (build_reference_type_for_mode): Likewise.
14220 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14222 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14223 * Makefile.in (CXX_COMPAT_WARN): Define.
14224 * configure: Regenerate.
14226 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14229 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14232 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14234 * toplev.c: Fix thinko.
14236 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14237 Marcin Dalecki <martin@dalecki.de>
14239 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14240 (push_srcloc): Use XNEW.
14241 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14243 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14245 * df-core.c (df_set_blocks): Deleted all variable.
14247 2006-01-28 Ian Lance Taylor <ian@airs.com>
14249 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14250 cgraph_output_pending_asms.
14252 2006-01-28 Zack Weinberg <zackw@panix.com>
14254 * c.opt: Add -W(no-)overlength-strings.
14255 * doc/invoke.texi: Document it.
14256 * c-opts.c (c_common_handle_option): -pedantic implies
14257 -Woverlength-strings, if not explicitly disabled already.
14258 (c_common_post_options): -Woverlength-strings defaults to off, and
14259 is always off for C++.
14260 * c-common.c (fix_string_type): Issue warning about strings longer
14261 than is portable only if warn_overlength_strings. Rearrange code
14262 a little for clarity.
14263 * configure.in: Check for -Wno-overlength-strings as well before
14264 enabling -pedantic in stage 1.
14265 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14266 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14268 * genconditions.c (write_header, write_one_condition)
14269 (write_conditions, write_writer): Consolidate very long strings
14270 that were broken up to fit in C89 portable limit. Don't use
14271 printf when fputs will do.
14273 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14275 * combine.c (simplify_comparison <AND>): Check
14276 TRULY_NOOP_TRUNCATION before start using a subreg.
14278 * config/mips/mips.md (*branch_zero<mode>,
14279 *branch_zero<mode>_inverted, *branch_equality<mode>,
14280 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14281 Remove mode check from comparisons.
14283 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14285 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14287 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14289 * expmed.c (const_mult_add_overflow_p): Remove.
14290 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14292 * recog.c (validate_replace_rtx_subexp): Remove.
14293 * recog.h: Remove the prototype for
14294 validate_replace_rtx_subexp.
14296 * integrate.h: Remove the prototype for
14297 copy_decl_for_inlining.
14298 * rtl.h: Remove the prototype for mark_constant_function.
14299 * tree-vectorizer.h: Remove the prototype for
14300 vect_strip_conversion.
14302 * modulo-sched.c (create_partial_schedule,
14303 free_partial_schedule, reset_partial_schedule): Make them
14306 * hooks.c (hook_bool_rtx_int_false): Remove.
14307 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14309 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14311 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14312 and -mlong-double-128 are incompatible.
14313 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14314 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14315 (TARGET_LIBGCC2_CFLAGS): Define.
14316 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14317 (TARGET_LIBGCC2_CFLAGS): Same.
14318 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14320 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14323 * c-typeck.c (build_binary_op): Perform implicit casts of
14324 operands before shortening them.
14326 * cfgloopmanip.c (split_loop_bb): Remove.
14327 * cfgloop.h: Remove the prototype for split_loop_bb.
14329 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14330 * cfgloop.h: Remove the prototype for
14331 flow_loop_outside_edge_p.
14333 * emit-rtl.c (init_virtual_regs): Make it static.
14334 * function.h: Remove the prototype for init_virtual_regs.
14336 * recog.c (peephole2_optimize): Make it static.
14337 * recog.h: Remove the prototype for peephole2_optimize.
14339 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14341 * df-scan.c (df_record_entry_block_defs): Check if
14342 INCOMING_RETURN_ADDR_RTX is defined.
14344 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14345 Kenneth Zadeck <zadeck@naturalbridge.com>
14347 PR rtl-optimization/24762
14348 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14349 * targhooks.c (hook_void_bitmap): New hook prototype.
14350 * targhoohs.h (hook_void_bitmap): Ditto.
14351 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14352 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14353 * target.h (live_on_entry): New function pointer.
14354 * df-scan.c (df_all_hard_regs): Removed.
14355 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14356 (df_scan_free_internal): Added df->entry_block_defs.
14357 (df_scan_alloc): Ditto.
14358 (df_scan_dump): Ditto.
14359 (df_uses_record): Plumbed flag field properly thru calls.
14360 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14361 This part fixes PR24762.
14362 (df_bb_refs_record): Added code to make the frame and arg
14363 pointers live in EH blocks.
14364 (df_refs_record): Added call to df_record_entry_block_defs.
14365 (df_record_entry_block_defs): New function.
14366 * df-core.c: Added comments to describe new artifical defs.
14367 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14368 (entry_block_defs): New field in struct df.
14369 (df_all_hard_regs): Deleted.
14370 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14371 * df-problems.c (df_ru_bb_local_compute_process_def):
14372 Added code to handle artifical defs in the entry to a function.
14373 (df_ru_bb_local_compute): Ditto.
14374 (df_rd_bb_local_compute_process_def): Ditto.
14375 (df_rd_bb_local_compute): Ditto.
14376 (df_lr_bb_local_compute): Ditto.
14377 (df_ur_bb_local_compute): Ditto.
14378 (df_urec_bb_local_compute): Ditto.
14379 (df_chain_create_bb): Ditto.
14380 (df_ur_local_finalize): Removed entry.
14381 (df_urec_init): Ditto.
14382 (df_urec_local_finalize): Ditto.
14383 (df_ri_bb_compute): Added detection of last use of pseudos.
14384 * Makefile.in (df-scan.o): Updated dependencies.
14385 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14386 * config/mips/mips.c (mips_set_live_on_entry): Added.
14387 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14389 * dce.c (marked_insn_p): Added code to handle artifical defs.
14391 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14393 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14395 (_mm_cvtsi128_si64): Likewise.
14396 (_mm_cvtsd_si64): Likewise.
14397 (_mm_cvttsd_si64): Likewise.
14398 (_mm_cvtsi64_sd): Likewise.
14399 (_mm_cvtsi64_si128): Likewise.
14400 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14401 (_mm_cvtsi64_m64): Likewise.
14402 (_m_to_int64): Likewise.
14403 (_mm_cvtm64_si64): Likewise.
14404 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14405 (_mm_cvttss_si64): Likewise.
14406 (_mm_cvtsi64_ss): Likewise.
14407 (_mm_cvtss_f32): Likewise.
14409 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14411 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14412 for pragma redefine_extname.
14414 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14417 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14418 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14419 -mno-minimal-toc to previous content.
14420 (bispecs): Remove goal.
14421 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14422 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14423 compatibility aliases on powerpc-*-*gnu*.
14424 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14425 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14426 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14427 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14428 (ldblspecs): New goal.
14429 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14430 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14432 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14433 L_sf_to_tf or L_df_to_tf is defined.
14435 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14436 Alan Modra <amodra@bigpond.net.au>
14439 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14440 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14441 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14442 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14443 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14444 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14445 (rs6000_override_options): Initialize rs6000_ieeequad.
14446 Initialize TFmode format to ibm_extended_format if not
14448 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14450 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14451 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14452 (function_arg_advance): IBM long double passed in two FPRs, not
14454 (function_arg): IBM long double passed in FPRs.
14455 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14456 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14457 Only multireg GPR aligned.
14458 (rs6000_init_libfuncs): Enable IBM long double functions if not
14460 (rs6000_generate_compare): Use IBM long double compare if not
14462 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14463 (TARGET_IEEEQUAD): Define.
14464 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14465 not TARGET_IEEEQUAD.
14466 * config/rs6000/rs6000.md: Enable TFmode patterns if
14468 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14469 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14470 and -mlong-double-128 are incompatible.
14471 * doc/invoke.texi (-mabi): Collect options together. Add
14472 ibmlongdouble and ieeelongdouble.
14474 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14476 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14478 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14479 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14480 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14481 * rtl.h (rtunion_def): Remove rt_ptr.
14483 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14484 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14485 * config/i386/winnt.c (i386_pe_mark_dllexport)
14486 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14488 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14490 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14492 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14496 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14497 pthread_key_delete. From John David Anglin. gthrw-ify
14498 pthread_getunique_np only if it it's not a macro. Delete
14500 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14501 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14502 __gthread_objc_condition_signal, __gthread_key_delete): Add
14503 "__attribute__ ((__unused__))" to unused arguments.
14504 (__gthread_recursive_mutex_init_function): Add missing return.
14505 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14506 gthr-posix95.h: Use macro-based approach for name redirection
14507 on targets missing weakref.
14509 2006-01-26 Zack Weinberg <zackw@panix.com>
14511 * genconditions.c (write_header): In generated code, #ifdef out
14512 all includes and fake declarations, except includes of bconfig.h
14513 and system.h, unless GCC_VERSION >= 3001. Do not include
14514 gensupport.h in any case.
14515 (write_conditions): Generate a definition of struct c_test. Add
14516 a comment to the generated #endif.
14517 (write_one_condition): Escape backslashes in string too.
14518 (write_writer): Generated code must escape backslashes and quote
14519 marks (but not newlines) in the strings it writes.
14520 * Makefile.in (build/gencondmd.o): Update dependencies.
14522 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14525 * Makefile.in (insn-automata.o): Add header file dependencies.
14526 * genautomata.c: Add includes.
14528 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14531 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14533 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14535 * configure.ac: Expect target tools paths to be passed from the toplevel
14536 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14538 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14540 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14543 * c.opt (Wpointer-sign): Init to -1.
14544 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14545 OPT_pedantic, to 0 otherwise.
14546 * doc/invoke.texi: Update.
14548 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14550 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14551 constants provided by 80387 instructions in the destination mode.
14553 2006-01-26 Richard Guenther <rguenther@suse.de>
14554 Andrew Pinski <pinskia@physics.uc.edu>
14557 partial PR tree-opt/17064
14558 * tree-ssa-structalias.c (intra_create_variable_infos):
14559 Create heap variables for incoming parameters if
14560 flag_argument_noalias > 1.
14561 (find_what_p_points_to): Look through default defs of
14564 2006-01-26 Jeff Law <law@redhat.com>
14567 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14568 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14569 within the VR_RANGE, use the VR_RANGE as the result, not the
14571 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14572 bounds for the type.
14574 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14576 * tree-ssa-alias.c (maybe_create_global_var): Change
14577 subvar walking to an assertion that we don't have subvar'd variables.
14579 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14582 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14583 Use a new variable, inner. PARM_DECLs are always non-weak.
14585 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14587 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14588 --disable-checking.
14590 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14592 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14594 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14596 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14597 (smax_insn, smin_insn, smax_0, smin_0): New.
14599 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14602 * config/cris/cris.c (cris_order_for_addsi3): New function.
14603 * config/cris/cris-protos.h: Prototype it.
14604 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14605 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14606 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14607 (split for "op.S1 [rx=rx+i],ry (swapped)")
14608 (split for "op(s|u).S1 [rx=rx+i],ry")
14609 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14610 Apply cris_order_for_addsi3 when generating addsi3 insns.
14612 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14614 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14615 (TREE_BLOCK): Add call to EXPR_CHECK.
14617 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14620 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14621 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14622 (dump_omp_clauses): ... here.
14623 (dump_generic_node): Handle OMP_CLAUSE.
14624 * tree.c (omp_clause_num_ops): New.
14625 (omp_clause_code_name): New.
14626 (tree_code_size): Handle OMP_CLAUSE.
14627 (tree_size): Likewise.
14628 (make_node): Document handling of OMP_CLAUSE.
14629 (tree_node_structure): Handle OMP_CLAUSE.
14630 (omp_clause_check_failed): New.
14631 (omp_clause_range_check_failed): New.
14632 (omp_clause_operand_check_failed): New.
14633 (build_omp_clause): New.
14634 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14635 * tree.h (enum omp_clause_code): Declare.
14636 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14637 (OMP_CLAUSE_RANGE_CHECK): Define.
14638 (OMP_CLAUSE_ELT_CHECK): Define.
14639 (omp_clause_check_failed): Declare.
14640 (omp_clause_operand_check_failed): Declare.
14641 (omp_clause_range_check_failed): Declare.
14642 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14643 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14644 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14645 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14646 (OMP_CLAUSE_IF_EXPR): Likewise.
14647 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14648 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14649 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14650 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14651 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14652 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14653 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14654 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14655 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14656 (OMP_CLAUSE_CODE): Define.
14657 (OMP_CLAUSE_SET_CODE): Define.
14658 (OMP_CLAUSE_CODE): Define.
14659 (OMP_CLAUSE_OPERAND): Define.
14660 (struct tree_omp_clause): Declare.
14661 (union tree_node): Add field 'omp_clause'.
14662 * treestruct.def (TS_OMP_CLAUSE): Define.
14663 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14664 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14665 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14666 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14667 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14668 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14669 (OMP_CLAUSE): Define.
14670 * print-tree.c (print_node): Handle OMP_CLAUSE.
14671 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14672 * c-typeck.c: Likewise.
14673 * gimplify.c: Likewise.
14674 * c-omp.c: Likewise.
14675 * tree-nested.c: Likewise.
14676 * tree-inline.c: Likewise.
14677 * c-parser.c: Likewise.
14678 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14681 2006-01-25 Roger Sayle <roger@eyesopen.com>
14683 PR rtl-optimization/25703
14684 * combine.c (try_combine): Handle zero_extract and strict_low_part
14685 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14687 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14689 * global.c: Fix comment typos.
14691 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14694 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14695 Use output_addr_const instead of assemble_name.
14697 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14699 * Makefile.in (sched-vis.o): Update dependencies.
14700 * haifa-sched.c (sched_finish): Clear current_sched_info.
14701 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14702 (dump_flow_info): Call it.
14703 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14705 * basic-block.h (dump_bb_info): Declare.
14706 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14707 option, and apply options only for dump files whose TDF_RTL,
14708 TDF_TREE, or TDF_IPA bits match.
14709 * rtl.h: Declare new functions exported from sched-vis.c.
14710 * sched-vis.c: Enable also if scheduling is not used.
14711 (print_value): Print the mode of registers if not inside scheduling.
14712 (print_insn): Make it work outside the scheduler. Beautify the output
14714 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14716 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14718 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14719 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14720 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14721 depending on the value of CONSTANT_POOL_ADDRESS_P.
14722 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14724 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14725 rather than SYMBOL_REF_DECL.
14726 (rtx_constant_pool): Remove const_rtx_sym_htab.
14727 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14728 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14729 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14730 Remove handling of const_rtx_sym_htab.
14731 (find_pool_constant): Delete.
14732 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14733 rather than find_pool_constant.
14734 (get_pool_constant_for_function): Delete.
14735 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14736 find_pool_constant.
14737 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14738 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14739 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14740 (SYMBOL_REF_CONSTANT): New macro.
14741 (get_pool_constant_for_function): Delete.
14742 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14743 rather than SYMBOL_REF_DECL.
14744 (i386_pe_mark_dllimport): Likewise.
14745 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14746 rather than SYMBOL_REF_DECL.
14747 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14748 (machopic_indirect_call_target): Likewise.
14750 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14752 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14754 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14756 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14758 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14760 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14762 2006-01-24 David Daney <ddaney@avtrex.com>
14765 * configure.ac (enable_tls): New enable option.
14766 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14767 * configure: Regenerate.
14768 * doc/install.texi (--enable-tls): Document new option.
14769 (--disable-tls): Ditto.
14771 2006-01-24 Richard Henderson <rth@redehat.com>
14773 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14774 * alias.c (true_dependence): Respect it.
14775 (canon_true_dependence, write_dependence_p): Likewise.
14776 * builtins.c (get_builtin_sync_mem): Set it.
14778 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14780 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14783 2006-01-24 DJ Delorie <dj@redhat.com>
14785 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14786 for storing constants in single-bit bitfields.
14788 2006-01-25 Ben Elliston <bje@au.ibm.com>
14790 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14792 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14795 * tree-ssa-pre.c (phi_translate): Return NULL
14796 for AGGREGATE_TYPE's.
14798 2006-01-24 Zack Weinberg <zackw@panix.com>
14800 * genautomata.c (process_state_for_insn_equiv_partition):
14801 Use xcalloc for insn_arcs_array.
14802 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14803 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14805 2006-01-24 Richard Henderson <rth@redhat.com>
14807 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14808 update all callers.
14810 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14812 PR rtl-optimization/25890
14813 PR rtl-optimization/25905
14814 * combine.c (expand_compound_operation, expand_field_assignment):
14815 Fail if the bitfield's final position is out of bounds.
14817 2006-01-24 Ian Lance Taylor <ian@airs.com>
14819 PR middle-end/25930
14820 * cgraphunit.c (cgraph_output_in_order): Don't clear
14821 cgraph_asm_nodes until after asm strings have been output.
14823 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14825 * fix-header.c (read_scan_file): Add new parameter imultilib when
14826 calling register_include_chains.
14828 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14830 * omp-low.c: Update documentation.
14832 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14833 Daniel Berlin <dberlin@dberlin.org>
14837 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14838 return from the function.
14840 2006-01-22 Zack Weinberg <zackw@panix.com>
14842 * rtl.def (match_code): Add second argument.
14843 * genpreds.c (write_extract_subexp): New function.
14844 (write_match_code): Add path argument. Use write_extract_subexp.
14845 (write_predicate_expr): Pass path to write_match_code.
14846 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14847 not perform a mode test.
14848 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14849 a subexpression does not constrain the top-level code set.
14850 * read-rtl.c (read_rtx_variadic): New function.
14851 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14852 * doc/md.texi: Document new notation.
14853 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14854 (cmpsi_operand): ... here, using new notation.
14856 2006-01-22 Zack Weinberg <zackw@panix.com>
14858 * varray.c: Remove GENERATOR_FILE #ifdefs.
14860 2006-01-22 Zack Weinberg <zackw@panix.com>
14862 * genautomata.c (output_reserved_units_table): Emit nothing if
14863 description->query_units_num is zero. Remove extra blank line.
14864 (output_cpu_unit_reservation_p): Short circuit
14865 if description->query_units_num is zero.
14867 2006-01-22 Zack Weinberg <zackw@panix.com>
14869 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14870 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14871 nor any of the random handful of variables that used to be necessary
14872 when this program was linked with rtlanal.o. Prune set of forward
14873 function declarations.
14874 (struct attr_desc): Remove static_p field.
14875 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14876 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14877 (attr_string): Do not read the character one past the length of
14879 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14880 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14881 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14882 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14883 (make_automaton_attrs): New.
14884 (main): Do not call into genautomata. Call local gen_bypass
14885 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14886 Remove special case for insn_alts.
14887 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14888 varray.h (leftover from previous change). Prune set of forward
14889 function declarations. Remove state_alts fields from all
14890 structures. Remove state_alts_table from struct automaton.
14891 Make everything except main static. Do not maintain num_dfa_decls.
14892 Do not maintain state_alts fields of various structures.
14893 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14894 (add_arc): Remove state_alts argument. All callers updated.
14895 (output_reserved_units_table): Emit #ifdef here...
14896 (output_tables): ...not here. Don't generate state_alts tables.
14897 (expand_automata): Don't generate attributes.
14898 (write_automata): Don't generate state_alts functions.
14899 (main): New function.
14900 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14901 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14902 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14903 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14904 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14905 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14906 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14907 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14909 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14910 * genattrtab.h: Delete file.
14911 * Makefile.in (OBJS-common): Add insn-automata.o.
14912 (insn-automata.o): New rule.
14913 (simple_generated_c): Add insn-automata.c.
14914 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14915 (genprogmd): Add automata.
14916 (build/genattrtab): Needs no extra objects nor libraries.
14917 (build/genautomata): Needs build/vec.o and -lm.
14919 2006-01-22 Zack Weinberg <zackw@panix.com>
14921 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14922 (output_dfa_max_issue_rate, locked_states_num): Delete.
14923 (struct automaton): Add locked_states field.
14924 (output_dead_lock_vect): Save number of locked states in
14925 automaton->locked_states. If it is zero, don't print anything.
14926 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14927 (output_internal_dead_lock_func): Only test the dead_lock_vect
14928 for automata that have locked states.
14929 (output_statistics): Always print the number of locked states for
14930 each automaton. Calculate total number of locked states here.
14931 (write_automata): Don't call output_dfa_max_issue_rate.
14932 * genattrtab.c: Define length_unit_log as a const variable.
14933 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14934 max_insn_queue_index const.
14935 * final.c (length_unit_log): Declare const.
14936 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14938 2006-01-22 Zack Weinberg <zackw@panix.com>
14940 * genautomata.c: Include vec.h, not varray.h.
14941 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14942 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14943 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14944 VEC_* macros operating on appropriately typed vectors, or to
14945 malloced arrays when the size is known in advance. Const-ify
14946 many char* variables and function arguments. No functional changes.
14947 * Makefile.in (build/varray.o): Delete rule.
14948 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14949 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14951 2006-01-22 Zack Weinberg <zackw@panix.com>
14953 * gensupport.c: Define get_insn_name and record_insn_name here.
14954 (read_md_rtx): Call record_insn_name as appropriate.
14955 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14956 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14957 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14959 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14960 (BUILD_VARRAY): Delete.
14961 (genprognormal): Rename genprogmd. Fold in all programs from
14962 genprognoprint; also attrtab.
14963 (build/genattrtab): Just mention genautomata.o and varray.o.
14964 Reorganize a bit, add comments to make the categories clearer.
14966 2006-01-22 Zack Weinberg <zackw@panix.com>
14968 * genconditions.c (condition_table, add_condition): Delete.
14969 (write_conditions): Don't emit n_insn_conditions nor
14970 insn_elision_unavailable. Issue the gcc version #ifdef here,
14971 inside the table, with no #else clause ...
14972 (write_header): ...not here.
14973 (write_writer): New function.
14974 (main): Don't initialize condition_table. Use add_c_test.
14976 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14977 files on the command line.
14978 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14979 Return -1 if there is no entry in the table, don't abort.
14980 (add_c_test, traverse_c_tests): New functions.
14981 * gensupport.h (insn_elision_unavailable, insn_conditions)
14982 (n_insn_conditions): Delete declarations.
14983 (add_c_test, traverse_c_tests): Declare.
14984 * read-rtl.c: Include gensupport.h.
14985 (read_conditions): New function.
14986 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14987 (read_rtx_1): If we get EOF when we were looking for an initial
14988 open paren, return 0. Call read_conditions when appropriate.
14989 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14990 dummy-conditions.o. Eliminate references to insn-conditions.o,
14991 or change them to build/gencondmd.o, as appropriate. Remove
14992 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14993 from $(simple_generated_c). For all files remaining in those
14994 two lists, add insn-conditions.md to the generator command line.
14995 Give insn-constants.h/s-constants their own rules. Add rules
14996 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14997 (build/read-rtl.o): Depend on gensupport.h.
14998 (genprognormal): Include preds.
14999 (genprogearly): Rename genprognoprint; only difference is now that
15000 they don't link with $(BUILD_PRINT).
15001 * dummy-conditions.c: Delete.
15003 2006-01-22 Zack Weinberg <zackw@panix.com>
15005 * genextract.c: Don't include insn-config.h. Do include vec.h.
15006 Declare vectors of int, char, and locstr.
15007 (locstr): New typedef.
15008 (struct extraction): Make all array fields into bare pointers.
15009 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15010 (insn_code_number): Delete.
15011 (accum_extract): New struct.
15012 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15013 (gen_insn): Take insn_code_number as an argument. Use an
15014 accum_extract structure instead of loading data directly into
15015 a struct extraction, and having to know how big it might get.
15016 (walk_rtx): Operate entirely on an accum_extract structure.
15017 (print_path): Avoid unnecessary use of printf.
15018 (print_header): New function, split out of main. Distinguish
15019 more carefully between an unrecognizable insn and an insn that
15020 has the code number of a define_expand.
15021 (main): Pass insn_code_number to gen_insn. Call print_header
15022 only after parsing. Avoid unnecessary use of printf.
15023 * Makefile.in (build/vec.o): New rule.
15024 (build/genextract): Depend on build/vec.o.
15025 (build/genextract.o): Don't depend on insn-config.h.
15027 2006-01-22 Zack Weinberg <zackw@panix.com>
15029 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15030 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15031 practical. Eliminate per-generator-program link rules.
15033 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15035 PR middle-end/24437
15036 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15037 with a call expr to ...
15038 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15040 2006-01-23 Richard Guenther <rguenther@suse.de>
15042 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15043 before make_edge with conditional EDGE_TRUE_VALUE.
15045 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15046 Jan Hubicka <jh@suse.cz>
15047 Richard Guenther <rguenther@suse.de>
15049 PR rtl-optimization/25654
15050 * cfgexpand.c (aggregate_contains_union_type): New function.
15051 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15052 for structure variables that contain a union type.
15054 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15056 * gengtype.c (new_structure): Return the structure.
15057 (create_option): Add an extra "next" argument.
15058 (create_field): New function.
15059 (adjust_field_rtx_def): Use create_option and create_field.
15060 Remove a now-unnecessary call to find_structure.
15061 (adjust_field_tree_def): Likewise.
15062 (note_yacc_type): Remove an unnecessary call to find_structure.
15063 * gengtype.h (new_structure): Return the structure.
15064 (create_option): Add an extra argument.
15065 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15066 (option): Adjust calls to create_option.
15068 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15070 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15072 2006-01-22 Paul Brook <paul@codesourcery.com>
15073 Peter Barada <peter@the-baradas.com>
15075 * config/m68k/m68k.md: Add Coldfire FPU support.
15076 Define FP mode macro and associated attributes.
15077 Use it for float mode patterns.
15078 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15079 (LIBCALL_VALUE): Use m68k_libcall_value.
15080 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15081 (m68k_function_value): Ditto.
15082 (emit_move_sequence): Ditto.
15083 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15084 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15085 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15086 (MULTILIB_EXCEPTIONS): Ditto.
15087 * config/m68k/m68k.opt: Add mcfv4e.
15088 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15089 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15090 (m68k_output_function_prologue): Save ColdFire FPU registers.
15091 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15092 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15093 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15094 ColdFire FPU registers.
15095 (m68k_libcall_value, m68k_function_value): New functions.
15096 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15097 (LIBCALL_VALUE): Use m68k_libcall_value.
15098 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15099 (MASK_COLDFIRE): Add MASK_CFV4E.
15100 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15101 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15102 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15103 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15104 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15105 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15106 * doc/invoke.tex: Document -mcfv4e on m68k.
15108 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15110 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15113 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15116 * c-opts.c (c_common_handle_option): Don't include
15117 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15118 * doc/invoke.texi (C++ Dialect Options): Document that
15119 -Wnon-virtual-dtor is no longer included in -Wall.
15121 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15123 * gcov.c (print_version), gcov-dump.c (print_version),
15124 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15127 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15129 * df-scan.c (problem_SCAN): Added NULL reset function.
15130 (df_scan_reset_blocks): Added code to call reset block function
15131 (df_bb_refs_delete) Fixed comment.
15132 (df_insn_refs_delete): Made tolerant of deleting non existent info
15133 for dataflow problems that need to be reset.
15134 * df-core.c (df_set_blocks): Ditto.
15135 * df.h (struct df_problem): Added reset_fun.
15136 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15137 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15138 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15139 functions to clear out all references to def-use or use-def chains.
15141 2006-01-21 Ben Elliston <bje@au.ibm.com>
15143 * varasm.c (assemble_real): Initialise data array.
15145 2006-01-20 Paul Brook <paul@codesourcery.com>
15147 Merge from csl-arm-branch.
15148 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15149 * config/arm/arm.md (movdi): Force operands[1] to a register
15150 if we have a non-register source.
15151 (*arm_movdi, *movdf_soft_insn): Require that one of the
15152 operands be a register.
15153 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15154 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15156 2006-01-20 DJ Delorie <dj@redhat.com>
15158 * varasm.c (initializer_constant_valid_p): Allow pointers
15159 initialized from integer constants of lesser precision.
15160 (output_constant): Allow non-int-sized pointer modes to be
15161 initialized from integer constants.
15163 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15166 * cppdefault.h (struct default_include): Add multilib flag.
15167 * cppdefault.c (cpp_include_defaults): Set it.
15168 * c.opt (-imultilib): New option.
15169 * c-opts.c (imultilib): New.
15170 (c_common_handle_option): Handle -imultilib.
15171 (c_common_post_options): Likewise.
15172 * c-incpath.c (add_standard_paths, register_include_chains):
15174 * c-incpath.h (register_include_chains): Add extra parameter.
15175 * gcc.c (do_spec_1): Generate -imultilib option.
15176 (The Specs Language): Update %I description.
15177 (process_command): Update copyright notice.
15178 * doc/cppopts.texi (-imultilib): Document.
15179 * doc/invoke.texi (-imultilib): Include in option summary.
15180 (%I): Update specs documentation.
15182 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15184 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15186 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15188 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15191 2006-01-20 Richard Guenther <rguenther@suse.de>
15192 Steven Bosscher <stevenb.gcc@gmail.com>
15194 PR rtl-optimization/24626
15195 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15196 EDGE_TRUE_VALUE if in RTL mode.
15199 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15200 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15202 2006-01-20 Dirk Mueller <dmueller@suse.com>
15205 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15206 instead of a special NOP marker.
15207 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15208 NOP marker handling.
15209 * c-common.h (empty_body_warning): Add forward declaration.
15210 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15211 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15213 2006-01-20 Paul Brook <paul@codesourcery.com>
15215 * Makefile.in (lang_checks): Keep going if mkdir fails.
15217 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15219 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15220 be able to clean out basic block when not necessary.
15221 (df_scan_free): Fixed to properly delete information if df is
15222 unused before calling df_finish.
15223 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15224 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15226 (df_bb_refs_delete): New function.
15227 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15228 * df-core.c (df_set_blocks): Added code to properly clean out
15229 unused blocks if they are not part of the blocks to consider.
15230 Added additional null check.
15231 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15232 be able to clean out basic block when not necessary
15233 * df.h (df_free_bb_function): Ditto.
15234 (df_bb_refs_delete): New function.
15235 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15236 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15237 basic block parameter to be able to clean out basic block when not
15239 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15240 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15241 Fixed to properly delete information if df is unused before
15244 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15246 PR rtl-optimization/25799
15247 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15248 Corrected confluence operator to remove bits from op2 before oring
15249 with op1 rather than removing bits from op1.
15250 (df_ru_transfer_function): Corrected test on wrong bitmap which
15251 caused infinite loop. Both of these problems were introduced in
15252 the dataflow rewrite.
15254 2006-01-19 DJ Delorie <dj@redhat.com>
15256 * reload1.c (find_reload_regs): Note the details of reload
15257 failures in the dump file.
15258 (spill_failure): Likewise.
15260 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15262 * loop-iv.c: Include df.h and hashtab.h.
15263 (enum iv_grd_result): New enum.
15264 (DF_REF_IV, DF_REF_IV_SET): New macros.
15265 (struct biv_entry): New.
15266 (df, bivs): New global variables.
15267 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15268 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15270 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15271 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15272 analyzed_for_bivness_p, record_biv): New functions.
15273 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15274 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15275 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15277 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15279 (iv_number_of_iterations): Use new interface to iv analysis.
15280 * loop-unroll.c: Do not include varray.h.
15281 (analyze_iv_to_split_insn): Use new interface to iv
15283 * loop-unswitch.c (may_unswitch_on): Ditto.
15284 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15286 (df_bb_modify): Realloc tables to the new index.
15287 (df_find_use): New function.
15288 * df.h (df_find_use): Declare.
15289 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15291 * cfgloop.h (struct rtx_iv): Remove analysed field.
15292 (iv_get_reaching_def): Removed.
15293 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15294 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15295 (loop-iv.o): Add df.h and hashtab.h dependency.
15296 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15298 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15301 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15303 (__floatundisf, __floatundidf): Likewise.
15304 * libgcc2.h (IS_IBM_EXTENDED): Define.
15306 2006-01-19 DJ Delorie <dj@redhat.com>
15308 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15310 2006-01-19 Paul Brook <paul@codesourcery.com>
15312 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15313 as nothrow when unwinding tables are disabled.
15315 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15318 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15319 of bit-field" when in system header.
15321 2006-01-19 DJ Delorie <dj@redhat.com>
15323 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15324 the 16 bit shift limit of the m16c.
15326 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15329 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15330 * config/i386/i386.c (output_set_got): Output the label if we have one
15331 for the TARGET_DEEP_BRANCH_PREDICTION case.
15333 2006-01-19 Jan Hubicka <jh@suse.cz>
15334 H.J. Lu <hongjiu.lu@intel.com>
15335 Evandro Menezes <evandro.menezes@amd.com>
15337 * invoke.texi (generic): Document
15339 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15340 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15341 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15342 (x86_use_incdec, x86_pad_returns): New variables
15343 (TARGET_CPU_DEFAULT_generic): New constant
15344 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15345 (enum processor_type): Add generic32 and generic64.
15346 * i386.md (cpu attribute): Add generic32/generic64
15347 (movhi splitter): Behave sanely when both partial_reg_dependency and
15348 partial_reg_stall are set.
15349 (K8 splitters): Enable for generic as well.
15350 * predicates.md (incdec_operand): Use TARGET_INCDEC
15351 (aligned_operand): Avoid memory mismatch stalls.
15352 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15353 * ppro.md: Enable for generic32
15354 * i386.c (generic64_cost, generic32_cost): New.
15355 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15356 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15357 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15358 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15359 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15360 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15361 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15362 x86_accumulate_outgoing_args, x86_prologue_using_move,
15363 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15364 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15365 Enable for generic.
15366 (x86_use_incdec, x86_pad_returns): New.
15367 (override_options): Add generic32 and generic64, translate "generic"
15368 to generic32/generic64 and "i686" to "generic32", refuse
15369 "generic32"/"generic64" as arch target.
15370 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15371 (ix86_reorg): Honor PAD_RETURNS.
15373 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15375 * tree-pretty-print.c (dump_generic_node): Handle
15376 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15377 * cgraph.c (cgraph_expand_queue): Rename from
15378 cgraph_analyze_queue. Update all users.
15379 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15380 cgraph_expand_queue.
15381 (cgraph_expand_all_functions): Likewise.
15382 (cgraph_finalize_pending_functions): Remove. Update callers.
15384 * tree.h (OMP_DIRECTIVE_P): Define.
15385 (OMP_PARALLEL_FN): Define.
15386 (OMP_PARALLEL_DATA_ARG): Define.
15387 (OMP_SECTIONS_SECTIONS): Define.
15388 * tree-pass.h (pass_expand_omp): Declare.
15389 * omp-low.c (struct omp_region): Declare.
15390 (struct omp_context): Remove fields 'parallel_type',
15391 'parallel_start_ix' and 'parallel_start_additional_args'.
15393 (struct omp_for_data): Rename from struct expand_omp_for_data.
15394 (omp_regions): New static variable.
15395 (root_omp_region): New static variable.
15396 (find_omp_clause): Make static.
15397 (is_in_combined_parallel_ctx): Remove.
15398 (is_combined_parallel): New.
15399 (extract_omp_for_data): Move earlier in the file.
15400 (workshare_safe_to_combine_p): New.
15401 (get_ws_args_for): New.
15402 (determine_parallel_type): Move earlier in the file.
15403 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15405 (omp_copy_decl): Likewise.
15406 (create_omp_child_function): Likewise.
15407 (lookup_omp_region): New.
15408 (dump_omp_region): New.
15409 (debug_omp_region): New.
15410 (debug_all_omp_regions): New.
15411 (new_omp_region): New.
15412 (scan_omp_parallel): If parallel_nesting_level > 1, the
15413 directive is nested within another parallel directive.
15414 Set OMP_PARALLEL_FN.
15415 (scan_omp_for): Do not try to handle combined parallel+for
15417 Remove FIXME comment.
15418 (scan_omp_nested): Remove.
15419 (scan_omp_1): Do not call scan_omp_nested when
15420 parallel_nesting_level is > 1.
15421 Do not change the DECL_CONTEXT of local variables found.
15422 (lookup_decl_in_outer_ctx): New.
15423 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15424 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15425 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15426 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15427 If CTX is nested, lookup VAR in the outer context when
15428 building copy assignment.
15429 (lower_send_clauses): Rename from expand_send_clauses.
15430 If CTX is nested, lookup VAR in the outer context when
15431 building copy assignments.
15432 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15433 If CTX is nested, lookup VAR in the outer context when
15434 building copy assignments.
15435 (expand_parallel_call): Rename from build_parallel_call.
15436 Handle combined parallel+workshare cases.
15437 Re-implement to emit code into the CFG.
15439 (expand_omp_parallel): Re-implement to emit code into the CFG.
15440 Call move_sese_region_to_fn to outline the sub-graph
15441 containing the parallel region.
15442 (expand_omp_for_1): Remove.
15443 (expand_omp_for_generic): Re-implement to emit code into the
15445 (expand_omp_for_static_nochunk): Likewise.
15446 (expand_omp_for_static_chunk): Likewise.
15447 (expand_omp_for): Likewise.
15448 (expand_omp_sections): Likewise.
15449 (remove_exit_barriers): New.
15450 (expand_omp_synch): New.
15452 (build_omp_regions_1): New.
15453 (build_omp_regions): New.
15454 (execute_expand_omp): New.
15455 (gate_expand_omp): New.
15456 (pass_expand_omp): Define.
15457 (lower_omp_sections): Rename from expand_omp_sections.
15458 Set OMP_SECTIONS_SECTIONS.
15459 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15460 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15461 (lower_omp_single): Rename from expand_omp_simple.
15462 (lower_omp_master): Rename from expand_omp_master.
15463 (lower_omp_ordered): Rename from expand_omp_ordered.
15464 (lower_omp_critical): Rename from expand_omp_critical.
15465 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15466 (lower_omp_for): Re-implement.
15467 (lower_omp_parallel): Re-implement.
15468 (lower_regimplify): Rename from expand_regimplify.
15469 (lower_omp_1): Rename from expand_omp_1.
15470 If there are syntax errors in the program, replace every
15471 OpenMP directive with NOP.
15472 Call lower_omp_* instead of expand_omp_*.
15473 (lower_omp): Rename from expand_omp.
15475 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15476 * tree-gimple.h (enum omp_parallel_type): Remove.
15477 (gimple_boolify): Declare extern.
15478 (find_omp_clause, determine_parallel_type): Remove.
15480 * gimple-low.c (lower_omp_directive): New.
15481 (lower_stmt): Call it.
15482 (record_vars_into): Move from ...
15483 (record_vars): ... here.
15484 Call record_vars_into with current_function_decl.
15486 * gimplify.c (struct gimplify_ctx): Remove fields
15487 combined_pre_p and combined_ctxp. Update users.
15488 (get_formal_tmp_var): Add documentation.
15489 (gimple_boolify): Make extern.
15490 (gimplify_expr_in_ctx): Remove. Update callers.
15491 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15492 will always be a BIND_EXPR.
15493 (gimplify_expr): Handle OMP_RETURN_EXPR.
15494 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15495 (OMP_PARALLEL): Add 3 operands.
15496 (OMP_SECTIONS): Add 1 operand.
15497 (OMP_RETURN_EXPR): Define.
15499 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15500 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15501 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15502 creating a circular free list.
15503 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15505 * tree-flow.h (move_sese_region_to_fn): Declare.
15506 (record_vars_into): Declare.
15507 * tree-cfg.c (make_omp_sections_edges): New.
15508 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15509 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15510 OMP_SECTIONS and OMP_SECTION.
15511 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15512 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15513 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15514 (gather_blocks_in_sese_region): New.
15515 (struct move_stmt_d): Declare.
15516 (move_stmt_r): New.
15517 (move_block_to_fn): New.
15518 (move_sese_region_to_fn): New.
15520 * passes.c (init_optimization_passes): Schedule
15521 pass_expand_omp after pass_init_datastructures.
15523 * tree-ssa-operands.c (get_expr_operands): Handle
15524 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15525 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15527 2006-01-19 Jeff Law <law@redhat.com>
15529 * tree-vrp.c (extract_range_from_assert): Refine the result range
15530 if the variable referenced by the ASSERT_EXPR has a range and
15531 either the tentative result range or the previous range is a
15534 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15536 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15538 2006-01-19 Jan Hubicka <jh@suse.cz>
15540 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15542 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15544 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15545 (expand_compound_operation, expand_field_assignment): Fail if the
15546 bit lengths of an extract operation are out of range.
15547 (make_extraction): Compute wanted_inner_mode based on the position
15548 and length of the extraction. Make it extraction_mode for non-constant
15549 positions, and do not modify offset in that case. When generating a
15550 new MEM, use a mode that can hold the extraction while keeping correct
15551 alignment. Remove code that supported MEMs wrapped by USEs.
15552 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15554 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15556 * config/s390/s390.md ("Y", "y"): New mode attribute.
15557 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15558 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15559 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15560 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15561 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15562 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15563 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15564 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15565 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15566 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15567 "addsi3", "subsi3"): Insn patterns removed.
15568 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15569 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15570 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15571 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15572 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15573 "*sub<mode>3_cconly2"): New insn patterns.
15574 ("addsi3", "subsi3"): New expanders.
15576 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15578 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15579 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15580 existing STMT_VINFO_VECTYPE if available.
15581 (vect_mark_relevant): Add special handling for stmts that are
15582 marked as STMT_VINFO_IN_PATTERN_P.
15583 (vect_analyze_loop): Call vect_pattern_recog.
15584 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15585 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15587 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15588 (vect_recog_func_ptr): New function-pointer type.
15589 * tree-vect-patterns.c: New file.
15590 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15591 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15592 (vect_pattern_recog_1): New functions.
15593 (vect_pattern_recog_funcs): New array of function pointers.
15595 * tree-vectorizer.h (ternary_op): New enum value.
15596 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15597 declaration. Revised documentation. Removed redundant dump prints.
15598 Removed redundant argument. Added support for reduction patterns.
15599 (vectorizable_reduction): Added support for reduction patterns.
15600 (vect_transform_stmt): Added support for patterns.
15602 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15603 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15604 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15605 (expand_widen_pattern_expr): New function.
15606 (init_optabs): Initialize new optabs udot_prod_optab,
15608 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15609 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15610 (expand_widen_pattern_expr): New function declaration.
15611 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15613 * tree-inline.c (estimate_num_insns_1): Added cases for new
15614 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15615 * tree-pretty-print.c (dump_generic_node): Likewise.
15616 (op_prio): Likewise.
15617 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15618 * tree-ssa-operands.c (get_expr_operands): Added case for
15620 * tree-vect-patterns.c (widened_name_p): New function.
15621 (vect_recog_dot_prod_pattern): Added function implementation.
15622 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15623 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15624 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15625 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15627 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15628 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15629 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15630 (init_optabs): Initialize new optabs widen_ssum_optab,
15632 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15633 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15634 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15635 use instead of type of def.
15636 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15637 function implementation.
15638 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15639 widen_ssumv8hi): New.
15641 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15644 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15647 * c-decl.c (add_flexible_array_elts_to_size): New function.
15648 (finish_decl): Use it.
15650 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15652 * diagnostic.h: Include options.h.
15653 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15654 dependancies for diagnostic.h.
15655 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15657 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15659 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15660 (ssa_ro_call_cache_valid): Ditto.
15661 * tree-ssa-alias.c (sort_tags_by_id): New function.
15662 (init_transitive_clobber_worklist): Ditto.
15663 (add_to_worklist): Ditto.
15664 (mark_aliases_call_clobbered): Ditto.
15665 (compute_tag_properties): Ditto.
15666 (set_initial_properties): Ditto.
15667 (compute_call_clobbered): Ditto.
15668 (compute_may_aliases): Call compute_call_clobbered and grouping.
15669 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15670 (compute_flow_insensitive_aliasing): Grouping now happens in our
15672 (setup_pointers_and_addressables): Remove clobbering related code.
15673 (add_may_alias): Ditto.
15674 (replace_may_alias): Ditto.
15675 (get_nmt_for): Ditto.
15676 (create_global_var):
15677 (is_escape_site): Return an escape_type enumeration.
15678 * tree-flow-inline.h (is_call_clobbered): Global var does not
15679 imply call clobbered.
15680 (mark_call_clobbered): Take a reason for marking this. Remove
15681 marking of globalness, and cache invalidation.
15682 (clear_call_clobbered): Remove cache invalidation code.
15683 * tree-dfa.c (dump_variable): If details is on, dump the reason
15685 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15687 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15688 (struct var_ann_d): Ditto.
15689 (enum escape_type): New.
15690 (mark_call_clobbered): Adjust prototype.
15691 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15692 are never call clobbered.
15693 Record reasons for escaping.
15694 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15695 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15696 (ssa_ro_call_cache_valid): Ditto.
15697 (clobbered_v_may_defs): Ditto.
15698 (clobbered_vuses): Ditto.
15699 (ro_call_vuses): Ditto.
15700 (clobber_stats): New.
15701 (init_ssa_operands): Zero out clobber stats.
15702 (fini_ssa_operands): Print out clobber stats.
15703 (get_call_expr_operands): Pass callee fndecl to
15704 add_call_read_ops).
15705 (add_call_clobber_ops): Remove use of cache.
15706 Add use of PURE_CONST information.
15707 (add_call_read_ops): Remove use of cache.
15708 Add use of static not_read information.
15710 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15712 Introduce TLS descriptors for i386 and x86_64.
15713 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15714 (TARGET_ANY_GNU_TLS): New macro.
15715 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15716 (struct machine_function): Add tls_descriptor_call_expanded_p.
15717 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15718 (ix86_current_function_calls_tls_descriptor): Likewise.
15719 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15720 (override_options): Introduce gnu2 tls dialect.
15721 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15723 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15725 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15726 (ix86_init_machine_status): Initialize new field.
15727 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15728 (ix86_tls_module_base): New.
15729 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15730 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15731 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15732 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15733 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15734 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15735 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15736 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15737 * config/i386/predicates.md (tls_modbase_operand): New.
15738 (tp_or_register_operand): New.
15740 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15742 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15743 (look_for_address_of): Ditto.
15744 (ipa_init): Walk the function decls.
15745 (static_execute): Don't set readonly on FUNCTION_DECL's.
15747 2006-01-18 Roger Sayle <roger@eyesopen.com>
15749 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15750 for shifts where the source and destination registers are different.
15752 2006-01-18 Paul Brook <paul@codesourcery.com>
15754 Merge from csl-arm-branch.
15755 2005-03-14 Julian Brown <julian@codesourcery.com>
15756 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15757 (aeabi_llsl): Likewise.
15758 (ashrdi3): Likewise.
15759 (aeabi_lasr): Likewise.
15760 (lshrdi3): Likewise.
15761 (aeabi_llsr): Likewise.
15762 2005-03-10 Julian Brown <julian@codesourcery.com>
15763 * config.gcc: Disable shared libgcc for SymbianOS.
15764 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15766 2006-01-18 DJ Delorie <dj@redhat.com>
15768 * c-pragma.c (handle_pragma_diagnostic): New.
15769 (init_pragma): Register it.
15770 * doc/extend.texi: Document it.
15772 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15773 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15774 (diagnostic_context): Add classify_diagnostic[].
15775 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15776 as errors if they're overridden to DK_WARNING.
15777 (diagnostic_initialize): Initialize classify_diagnostic[].
15778 (diagnostic_set_kind_override): New.
15779 (diagnostic_report_diagnostic): Check for kind changes.
15780 * opts.c (common_handle_option): Take lang_mask. Update callers.
15781 Handle OPT_Werror_.
15782 * common.opt (Werror=): New.
15783 * doc/invoke.texi: Document -Werror=*
15785 2006-01-18 Jeff Law <law@redhat.com>
15787 * tree-vrp.c (test_for_singularity): Correct test for new
15788 min limit. Use operand_equal_p rather than pointer equality
15789 for testing if new min/max values are equal.
15791 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15792 using range information until after propagation and folding.
15794 2006-01-18 Richard Henderson <rth@redhat.com>
15795 Aldy Hernandez <aldyh@redhat.com>
15796 Jakub Jelinek <jakub@redhat.com>
15797 Diego Novillo <dnovillo@redhat.com>
15799 * omp-low.c: New file.
15800 * c-omp.c: New file.
15802 2006-01-18 Richard Henderson <rth@redhat.com>
15803 Jakub Jelinek <jakub@redhat.com>
15804 Diego Novillo <dnovillo@redhat.com>
15806 * doc/invoke.texi: Document -fopenmp.
15807 * tree-dump.h (debug_function): Declare.
15808 * hooks.c (hook_bool_tree_bool_false): New function.
15809 (hook_tree_tree_null): Remove.
15810 (hook_tree_tree_tree_null): New.
15811 * hooks.h: Update to match.
15812 * tree-pretty-print.c (debug_tree_chain): New.
15813 (print_generic_expr): Handle TDF_CHAIN.
15814 (dump_generic_node): Handle BLOCK.
15815 Do not abort with incomplete SWITCH_EXPRs.
15816 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15817 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15818 print space after directive name.
15819 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15820 Handle OMP_MASTER and OMP_ORDERED.
15821 Handle printing of OMP_BODY just in one place, goto
15822 dump_omp_body in the rest of OMP_* nodes that have
15824 Don't handle clause nodes here. Update omp statements to
15825 use dump_omp_clauses.
15826 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15827 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15828 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15829 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15830 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15831 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15832 Adjust output for GOMP_PARALLEL.
15833 (dump_omp_clauses): New.
15834 (print_declaration): Dump DECL_VALUE_EXPR.
15835 (op_symbol_1): Split out of op_symbol.
15836 (dumping_stmts): Remove. Update all users.
15837 * cgraph.c (cgraph_analyze_queue): New.
15838 (cgraph_add_new_function): New.
15839 * cgraph.h (cgraph_analyze_queue): Declare.
15840 (cgraph_add_new_function): Declare.
15841 (cgraph_lower_function): Remove.
15842 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15843 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15844 and TYPE_P nodes in its default clause.
15845 (empty_body_p): New.
15846 (tree_range_check_failed): New.
15847 (build5_stat): New.
15848 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15849 OMP_CLAUSE_REDUCTION_MERGE,
15850 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15851 OMP_CLAUSE_PRIVATE_DEBUG,
15852 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15853 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15854 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15855 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15856 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15857 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15858 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15859 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15860 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15861 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15862 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15863 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15864 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15865 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15866 (TREE_RANGE_CHECK): New.
15867 (empty_body_p): Declare.
15868 (enum omp_clause_default_kind): New.
15869 (build_string_literal): Declare.
15870 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15871 (build5_stat, build5): Declare.
15872 * tree-pass.h (TDF_CHAIN): Define.
15873 * tree-pass.h (PROP_gimple_lomp): Define.
15874 (pass_lower_omp): Declare.
15875 * diagnostic.h (debug_tree_chain): Declare.
15876 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15878 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15879 * builtins.c (build_string_literal): Make extern.
15880 * gcc.c (include_spec_function): New.
15881 (static_spec_functions): Add it.
15882 (main): Move load of libgomp.spec ...
15883 (LINK_COMMAND_SPEC): ... here.
15884 (link_gomp_spec): New.
15885 (static_specs): Include it.
15886 (LINK_COMMAND_SPEC): Add link_gomp.
15887 (GOMP_SELF_SPECS): New.
15888 (driver_self_specs): Include it.
15889 (switch_matches): Don't mark inline.
15890 (main): Load libgomp.spec.
15891 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15892 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15893 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15894 * tree-gimple.h (enum omp_parallel): Declare.
15895 (determine_parallel_type): Declare.
15896 (omp_firstprivatize_variable): Declare.
15897 (omp_reduction_init): Declare.
15898 (diagnose_omp_structured_block_errors): Declare.
15899 (struct walk_stmt_info): Add want_return_expr.
15900 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15901 (find_omp_clause): Declare.
15902 (insert_field_into_struct): Declare.
15903 (struct walk_stmt_info): Move from tree-nested.c
15904 (walk_stmts): Declare.
15905 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15907 * cgraphunit.c (cgraph_lower_function): Make static.
15908 (cgraph_finalize_pending_functions): New.
15909 (cgraph_finalize_function): Call it.
15910 (cgraph_finalize_compilation_unit): Likewise.
15911 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15912 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15913 (BT_FN_UINT_UINT): New.
15914 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15915 DEF_FUNCTION_TYPE_VAR_4): Document.
15916 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15917 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15918 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15919 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15920 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15921 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15922 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15923 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15924 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15925 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15926 into separate files.
15927 (DEF_GOMP_BUILTIN): New.
15928 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15929 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15930 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15931 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15932 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15933 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15934 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15935 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15936 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15937 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15938 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15939 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15940 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15941 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15942 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15943 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15944 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15945 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15946 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15947 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15948 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15949 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15950 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15951 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15952 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15953 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15954 * sync-builtins.def: New file, moved from builtins.def.
15955 * omp-builtins.def: New file, moved from builtins.def.
15956 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15957 * gimple-low.c (lower_function_body): Clear data.
15958 (lower_stmt): Do not handle COMPOUND_EXPR.
15959 Remove call to print_node_brief.
15960 * c-tree.h (c_finish_omp_clauses): New prototype.
15961 (C_DECL_THREADPRIVATE_P): Define.
15962 (lookup_name_no_remap, c_omp_remap_private): Remove
15963 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15964 (check_for_loop_decls): Update decl.
15965 (lookup_name_no_remap, c_omp_remap_private): Declare.
15966 (build_indirect_ref, build_modify_expr, pushdecl,
15967 pushdecl_top_level): Move to c-common.h.
15968 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15969 before the switch, but just in the 2 places that need it.
15970 * c-decl.c (diagnose_mismatched_decls): Do not check for
15971 mismatched thread-local attributes when OLDDECL is marked
15972 threadprivate and NEWDECL has no thread-local attributes.
15973 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15974 (c_gimple_diagnostics_recursively): Rename from
15975 c_warn_unused_result_recursively. Invoke
15976 diagnose_omp_structured_block_errors.
15977 (check_for_loop_decls): Return a singular decl found.
15978 * langhooks.c (lhd_omp_predetermined_sharing): Return
15979 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15980 (lhd_omp_firstprivatize_type_sizes): New.
15981 (lhd_omp_assignment): New.
15982 (lhd_omp_predetermined_sharing): New.
15983 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15984 (struct lang_hooks_for_types): Add
15985 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15986 omp_predetermined_sharing, omp_disregard_value_expr,
15987 omp_private_debug_clause, omp_clause_default_ctor,
15988 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15989 (c_finish_omp_clauses): New.
15990 (c_finish_bc_stmt): Diagnose break within omp for.
15991 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15992 (build_unary_op): Return error_mark after reporting
15994 (build_modify_expr): Likewise.
15995 * gimplify.c: Include optabs.h and pointer-set.h.
15996 (enum gimplify_omp_var_data): Declare.
15997 (struct gimplify_omp_ctx): Declare.
15998 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16000 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16001 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16002 (splay_tree_compare_decl_uid): New.
16003 (new_omp_context): New.
16004 (delete_omp_context): New.
16005 (gimple_add_tmp_var): Call omp_add_variable.
16006 (gimplify_bind_expr): Likewise.
16007 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16008 true, disregard DECL_VALUE_EXPR on the decl if any.
16009 (gimplify_expr_in_ctx): New.
16010 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16011 omp_add_variable, omp_notice_variable, omp_is_private
16012 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16013 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16014 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16015 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16016 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16017 gimplify_omp_atomic): New.
16018 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16019 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16020 OMP_CRITICAL and OMP_ATOMIC.
16021 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16022 * c-pragma.h (enum pragma_kind): Add
16023 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16024 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16025 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16026 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16027 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16028 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16029 PRAGMA_OMP_THREADPRIVATE.
16030 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16031 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16032 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16033 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16034 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16035 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16036 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16037 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16038 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16039 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16040 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16041 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16042 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16044 (struct nesting_info): Add field_map,
16045 suppress_expansion, debug_var_chain.
16046 (create_nesting_tree): Initialize them.
16047 (lookup_field_for_decl): Use field_map.
16048 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16049 (convert_local_omp_clauses): New.
16050 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16051 (walk_body): Split out of walk_function.
16052 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16053 (convert_nonlocal_reference): Handle omp statements.
16054 (convert_local_reference): Likewise.
16055 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16056 (unnest_nesting_tree): New.
16057 (lower_nested_functions): Call it.
16058 (insert_field_into_struct): Make extern.
16059 (struct walk_stmt_info): Move to tree-gimple.h.
16060 (walk_stmts): Make extern.
16061 * omp-builtins.def: New file.
16062 * tree-iterator.c (expr_only): Clarify comment.
16063 * c-common.h (pushdecl_top_level, pushdecl,
16064 build_modify_expr, build_indirect_ref,
16065 c_finish_omp_master, c_finish_omp_critical,
16066 c_finish_omp_ordered, c_finish_omp_barrier,
16067 c_finish_omp_atomic, c_finish_omp_flush,
16068 c_finish_omp_for, c_split_parallel_clauses,
16069 omp_clause_default_kind, c_omp_sharing_predetermined,
16070 c_omp_remap_decl): Declare.
16071 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16072 (OBJS-common): Add omp-low.o.
16073 (c-omp.o, omp-low.o): Add.
16074 (gimplify.o): Add dependency on $(OPTABS_H).
16075 (GTFILES): Add omp-low.c.
16076 (gt-stringpool.h): Add.
16077 * tree-cfg.c (set_bb_for_stmt): Do not update the
16078 block-to-labels map if we are currently expanding to RTL.
16079 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16081 Handle IDENTIFIER_NODE.
16082 (tree_verify_flow_info): Do not ICE when emitting error
16083 messages about invalid labels.
16084 (dump_function_to_file): Reset CFUN before emitting the body
16086 (debug_function): New.
16087 * passes.c (init_optimization_passes): Schedule
16089 * langhooks-def.h (lhd_omp_predetermined_sharing,
16090 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16092 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16093 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16094 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16095 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16096 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16097 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16098 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16099 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16100 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16101 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16102 (LANG_HOOK_DECLS): Use them.
16104 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16105 Richard Henderson <rth@redhat.com>
16106 Jakub Jelinek <jakub@redhat.com>
16107 Diego Novillo <dnovillo@redhat.com>
16109 * c-parser.c (pragma_omp_clause): Define.
16110 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16111 (c_parser_compound_statement): Likewise.
16112 (c_parser_statement): Likewise.
16113 (c_parser_pragma): Handle omp pragmas.
16114 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16115 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16116 (c_parser_omp_clause_name, check_no_duplicate_clause,
16117 c_parser_omp_variable_list,
16118 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16119 c_parser_omp_clause_copyprivate,
16120 c_parser_omp_clause_default,
16121 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16122 c_parser_omp_clause_lastprivate,
16123 c_parser_omp_clause_nowait,
16124 c_parser_omp_clause_num_threads,
16125 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16126 c_parser_omp_clause_reduction,
16127 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16128 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16129 c_parser_omp_atomic, c_parser_omp_barrier,
16130 c_parser_omp_critical, c_parser_omp_flush,
16131 c_parser_omp_for_loop, c_parser_omp_for,
16132 c_parser_omp_master, c_parser_omp_ordered,
16133 c_parser_omp_sections_scope, c_parser_omp_sections,
16134 c_parser_omp_parallel, c_parser_omp_single,
16135 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16136 * c-pragma.c (init_pragma): Do omp pragma registration here.
16137 * c.opt (fopenmp): New flag.
16139 2006-01-18 Eric Christopher <echristo@apple.com>
16141 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16142 * config/darwin.h (GOMP_SELF_SPECS): Define.
16144 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16146 * rtl.h: Remove the prototype for reg_alloc.
16148 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16151 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16152 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16153 sjlj and dwarf2 exception handling.
16154 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16155 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16156 * pa/pa.c (function_value): Treat complex and vector types as
16158 (function_arg): Likewise. Only pass scalar floats in the floating
16159 point argument registers.
16160 * pa/t-slibgcc-dwarf-ver: New file.
16161 * pa/t-slibgcc-sjlj-ver: New file.
16162 * pa/t-slibgcc-elf-ver: Delete file.
16164 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16166 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16167 unlikely_test_section_p test.
16169 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16171 * mode-switching.c (optimize_mode_switching): Make it static.
16172 * basic-block.h: Remove the prototype for
16173 optimize_mode_switching.
16175 * modulo-sched.c (sms_schedule): Make it static.
16176 * rtl.h: Remove the prototype for sms_schedule.
16178 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16179 * rtl.h: Remove the prototype for gcse_after_reload_main.
16181 * reg-stack.c (reg_to_stack): Make it static.
16182 * rtl.h: Remove the prototype for reg_to_stack.
16184 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16186 * rtl.h: Remove the prototypes for regrename_optimize and
16187 copyprop_hardreg_forward.
16189 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16191 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16192 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16193 Test against the appropriate null constant for the mode.
16194 If 'fixup_overlap' is true, swap the operands if they overlap.
16195 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16196 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16197 alpha_split_tmode_pair and adjust for above change.
16198 * config/alpha/alpha.md (movtf_internal): Adjust call to
16199 alpha_split_tfmode_pair and rely on it to swap the operands.
16200 (movti_internal): New insn and post-reload splitter.
16201 (movti): New expander.
16203 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16205 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16208 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16210 * rtlanal.c (global_reg_mentioned_p_1,
16211 global_reg_mentioned_p): Remove.
16212 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16214 * flow.c (initialize_uninitialized_subregs): Make it static.
16215 * rtl.h: Remove the prototype for
16216 initialize_uninitialized_subregs.
16218 * function.c (instantiate_virtual_regs): Make it static.
16219 * function.h: Remove the prototype for
16220 instantiate_virtual_regs.
16222 * regmove.c (regmove_optimize, combine_stack_adjustments):
16224 * rtl.h: Remove the prototypes for regmove_optimize and
16225 combine_stack_adjustments.
16227 2006-01-17 Roger Sayle <roger@eyesopen.com>
16229 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16230 (size_cost): Encode costs in bytes so that a reg-reg addition is
16231 equivalent to COSTS_N_INSNS(1).
16232 (override_options): Use the size_cost.branch_cost as the default
16233 ix86_branch_cost when optimizing for size.
16235 2006-01-18 Ben Elliston <bje@au.ibm.com>
16237 * Makefile.in (D32PBIT_FUNCS): New.
16238 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16239 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16240 D64PBIT_FUNCS and D128PBIT_FUNCS.
16241 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16242 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16244 (decnumber_dep): Define.
16245 * doc/libgcc.texi (Decimal float library routines): New node.
16246 * config/dfp-bit.h, config/dfp-bit.c: New files.
16248 2006-01-18 Ben Elliston <bje@au.ibm.com>
16250 * expr.c (emit_move_change_mode): Always adjust addresses, not
16251 just during reload. Copy replacements only during reload.
16252 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16253 emit_move_via_integer.
16255 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16257 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16258 instead of $(srcdir) and ${srcdir}.
16260 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16263 PR middle-end/11135
16264 * arm.h (struct machine_function): Add pic_reg.
16265 * arm.c (arm_pic_register): Make unsigned.
16266 (arm_override_options): Only set arm_pic_register if
16267 TARGET_SINGLE_PIC_BASE.
16268 (use_return_insn): Only test for a pic register if it is fixed.
16269 (arm_compute_save_reg0_reg12_mask): Likewise.
16270 (thumb_compute_save_reg_mask): Likewise.
16271 (legitimate_pic_operand): Factor out some known invariants.
16272 (legitimize_pic_address): If we don't have a fixed pic register,
16273 then set up a pseudo in the function entry sequence. Handle the
16274 pic base being in a pseudo.
16275 (arm_load_pic_register): Handle the pic register being in a pseudo.
16276 (arm_expand_prologue): Only set up the pic register if it is fixed.
16277 (thumb_expand_prologue): Likewise.
16278 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16279 (pic_load_addr_based_insn): Likewise.
16280 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16283 2006-01-18 Ben Elliston <bje@au.ibm.com>
16285 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16286 decimal float modes for all floating point registers.
16288 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16289 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16291 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16294 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16295 even when the pointer is not NULL.
16297 2006-01-16 Ian Lance Taylor <ian@airs.com>
16299 * common.opt (ftoplevel-reorder): New option.
16300 * cgraph.c (cgraph_asm_nodes): New global variable.
16301 (cgraph_asm_last_node): New static variable.
16302 (cgraph_order): New global variable.
16303 (cgraph_create_node): Set new order field.
16304 (cgraph_varpool_node): Likewise.
16305 (decide_is_variable_needed): Return true if not
16306 flag_toplevel_reorder.
16307 (cgraph_add_asm_node): New function.
16308 * cgraph.h (struct cgraph_node): Add order field.
16309 (struct cgraph_varpool_node): Add order field.
16310 (struct cgraph_asm_node): Define.
16311 (cgraph_asm_nodes, cgraph_order): Declare.
16312 (cgraph_add_asm_node): Declare.
16313 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16315 (cgraph_varpool_assemble_pending_decls): Call it.
16316 (cgraph_output_pending_asms): New static function.
16317 (cgraph_finalize_compilation_unit): Call it.
16318 (struct cgraph_order_sort): Define.
16319 (cgraph_output_in_order): New static function.
16320 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16321 !flag_toplevel_reorder case.
16322 * c-parser.c: Include "cgraph.h".
16323 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16325 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16326 than -fno-unit-at-a-time.
16327 * doc/invoke.texi (Option Summary): Mention
16328 -fno-toplevel-reorder.
16329 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16330 -funit-at-a-time documentation.
16332 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16333 Kazu Hirata <kazu@codesourcery.com>
16335 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16337 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16339 * Makefile.in (FUNCTION_H): New. Use it instead of
16340 function.h throughout the file.
16341 * function.h: Include tree.h.
16343 2006-01-17 Ben Elliston <bje@au.ibm.com>
16345 * recog.c: Separate some functions with whitespace.
16347 2006-01-16 Richard Henderson <rth@redhat.com>
16349 Merge from gomp branch:
16350 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16351 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16352 and rename from struct inline_data. Rename callee* to dst*;
16353 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16354 transform_new_cfg, transform_return_to_modify, and
16355 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16357 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16358 (copy_decl_for_dup): Remove.
16359 * tree-inline.c (struct inline_data): Move to header.
16360 (insert_decl_map): Export.
16361 (remap_decl): Update for member name changes. Use copy_decl hook.
16362 Allow for replacement to be a non-decl. Remove dead code.
16363 (remap_type_1): Check for existing mapping.
16364 (remap_type): Export.
16365 (remap_decls): Update for member name changes.
16366 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16367 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16368 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16369 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16370 (tree_function_versioning, build_duplicate_type): Likewise.
16371 (copy_body_r): Likewise. Export.
16372 (copy_decl_for_dup): Split into ...
16373 (copy_decl_for_dup_finish, copy_decl_to_var,
16374 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16375 (replace_ref_tree, inlining_p): Remove.
16377 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16379 * ifcvt.c (if_convert): Make it static.
16380 * rtl.h: Remove the prototype for if_convert.
16382 * local-alloc.c (local_alloc): Make it static.
16383 * rtl.h: Remove the prototype for local_alloc.
16385 * loop.c (loop_optimize): Make it static.
16386 * cfgloop.h: Remove the prototype for loop_optimize.
16389 2006-01-16 DJ Delorie <dj@redhat.com>
16391 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16394 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16396 * pa.md: Disparage copies between general and floating-point registers
16397 in 32-bit move patterns.
16399 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16402 * Makefile.in (check-%): Depend on site.exp instead of
16403 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16408 * global.c (global_alloc): Make it static.
16409 * rtl.h: Remove the prototype for global_alloc.
16411 2006-01-16 Richard Guenther <rguenther@suse.de>
16413 * tree-ssa-alias.c (struct used_part): Add write_only field.
16414 (get_or_create_used_part_for): Initialize it to true.
16415 (create_overlap_variables_for): Don't create structure variables
16416 for structures that only are written to.
16417 (find_used_portions): Handle MODIFY_EXPR to track whether a
16418 structure is only written to.
16420 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16422 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16424 * basic-block.h: Remove the prototype for
16425 partition_hot_cold_basic_blocks.
16427 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16429 * cppspec.c (lang_specific_spec_functions): Remove.
16430 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16431 * gcc.h (lang_specific_spec_functions): Remove.
16432 * gccspec.c (lang_specific_spec_functions): Remove.
16434 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16436 * combine.c (record_value_for_reg): Invalidate registers
16438 (record_dead_and_set_regs_1): Likewise, by passing them to
16439 record_value_for_reg.
16440 (record_dead_and_set_regs): Invalidate stores made by a
16441 call. We do not combine across a call, but we still
16442 relied on equivalences.
16444 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16446 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16447 vrp_int_const_binop returning non-constant nodes.
16449 2006-01-16 Paul Brook <paul@codesourcery.com>
16451 * config/m68k/m68k.c (output_move_const_into_data_reg):
16452 Output correct mnemonic for mvz and mvs.
16454 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16456 * rtl-factoring.c: Add sequence abstraction algorithm.
16457 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16458 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16460 (block_has_preserve_label): New function.
16461 * common.opt: Register new pass.
16462 * Makefile.in: Ditto.
16464 * timevar.def: Ditto.
16465 * tree-pass.h: Ditto.
16466 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16467 * rtl.h (make_jump_insn_raw): Add forward decl.
16468 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16470 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16471 Roger Sayle <roger@eyesopen.com>
16473 * fold-const.c (fold_minmax): New static function.
16474 (fold_binary) <MIN_EXPR>: Call it.
16475 <MAX_EXPR>: Likewise.
16476 * stor-layout.c (place_field): Use DECL_SIZE consistently
16477 in the computation of the new record size.
16479 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16481 * cse.c (cse_condition_code_reg): Make it static.
16482 * rtl.h: Remove the prototype for cse_condition_code_reg.
16484 * combine.c (combine_instructions): Make it static.
16485 * rtl.h: Remove the prototype for combine_instructions.
16487 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16490 * tree.c (get_file_function_name_long): Concatenate the first global
16491 object name with a string derived from the input filename of the object
16494 2006-01-16 Ben Elliston <bje@au.ibm.com>
16496 * config/i386/winnt-stubs.c: Update FSF address.
16497 * config/xtensa/ieee754-df.S: Ditto.
16498 * config/xtensa/ieee754-sf.S: Ditto.
16500 2006-01-14 Ian Lance Taylor <ian@airs.com>
16502 * ifcvt.c (noce_init_if_info): New static function, broken out of
16503 noce_process_if_block.
16504 (noce_process_if_block): Call noce_init_if_info.
16505 (check_cond_move_block): New static function.
16506 (cond_move_process_if_block): New static function.
16507 (process_if_block): Call cond_move_process_if_block.
16509 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16511 * cselib.c (hash_table): Rename to cselib_hash_table.
16512 (cselib_clear_table, discard_useless_values,
16513 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16514 cselib_init, cselib_finish): Adjust uses of hash_table.
16516 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16518 PR tree-optimization/25485
16519 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16520 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16521 is known to be false and true, respectively.
16523 2006-01-14 Richard Guenther <rguenther@suse.de>
16525 PR tree-optimization/22548
16526 PR tree-optimization/22555
16527 PR tree-optimization/22501
16528 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16529 * params.def (salias-max-array-elements): New parameter.
16530 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16531 * doc/invoke.texi (salias-max-array-elements): Document.
16532 * tree-flow-inline.h (var_can_have_subvars): We also handle
16534 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16536 * tree-ssa-structalias.c (params.h): Include.
16537 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16538 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16539 (get_constraint_for): For ADDR_EXPR operating on something
16540 containing an ARRAY_REF, add all subvars to the solution.
16541 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16542 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16543 for creating MUST_DEFs.
16544 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16546 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16548 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16550 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16551 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16552 number_of_iterations_le): New functions.
16553 (number_of_iterations_special): Removed.
16554 (number_of_iterations_exit): Do not use number_of_iterations_special.
16555 * tree.c (unsigned_type_for): Always return integer type.
16557 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16558 Richard Guenther <rguenther@suse.de>
16560 PR rtl-optimization/24257
16561 * gcse.c (find_moveable_store): Only consider a store movable
16562 when the SET_SRC of the insn can be assigned to a register.
16564 2006-01-14 Ian Lance Taylor <ian@airs.com>
16566 * tree.c (tree_not_class_check_failed): New function.
16567 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16568 (tree_not_class_check_failed): Declare.
16570 2006-01-13 Ian Lance Taylor <ian@airs.com>
16572 * reload1.c (do_output_reload): Add assertion rejecting a
16575 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16577 * combine.c (struct reg_stat): Add new fields truncation_label and
16579 (record_value_for_reg): Reset truncated_to_mode.
16580 (record_truncated_value): New function.
16581 (check_promoted_subreg): Call it. Rename to check_conversions.
16582 (combine_instructions): Rename check_promoted_subreg to
16584 (reg_truncated_to_mode): New function.
16585 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16586 (gen_lowpart_or_truncate): New function.
16587 (force_to_mode): Use it instead of gen_lowpart.
16589 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16591 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16592 VAR is a tag, not its type tag.
16594 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16596 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16597 alternatives to match style of other entries.
16598 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16600 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16602 PR tree-optimization/25771
16603 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16606 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16609 * tree-inline.c (declare_return_variable): If the return variable
16610 was marked as a non gimple complex, set the return slot variable
16611 to be a non gimple comple variable.
16613 2006-01-13 Richard Guenther <rguenther@suse.de>
16615 * builtins.c (expand_builtin_sincos): New function.
16616 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16618 (expand_builtin): Expand sincos using expand_builtin_sincos.
16620 2006-01-12 DJ Delorie <dj@redhat.com>
16622 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16623 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16624 so that constant shifts can be split.
16625 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16626 (m32c_valid_pointer_mode): Make static.
16627 (shift_gen_func_for): New.
16628 (m32c_prepare_shift): Use it. Split large const shifts into
16630 * config/m32c/predicates.md (shiftcount_operand): Allow more
16632 (longshiftcount_operand): New.
16633 * doc/md.texi (Machine Constraints): Document In6.
16635 2006-01-13 Ben Elliston <bje@au.ibm.com>
16637 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16638 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16641 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16643 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16644 to try to avoid clobbering pieces of structures when we know
16645 something about the whole structure.
16646 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16648 2006-01-13 Ben Elliston <bje@au.ibm.com>
16650 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16651 return in memory, as this is no limitation is no longer present.
16653 2006-01-12 DJ Delorie <dj@redhat.com>
16655 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16656 mova with fb, and for fb+0 -> An.
16658 * config/m32c/mov.md (peephole2): Fix enabling logic.
16660 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16661 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16662 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16663 FINI_ARRAY_SECTION_ASM_OP): Define.
16665 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16667 (m32c_legitimize_reload_address): New logic to reload FB to An.
16668 (m32c_output_reg_push): Add newline.
16669 (m32c_output_reg_pop): Likewise.
16671 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16673 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16675 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16677 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16679 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16681 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16684 2006-01-11 Ben Elliston <bje@au.ibm.com>
16686 * rtlanal.c (find_reg_note): Assert insn is not null.
16688 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16690 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16693 2006-01-11 Jeff Law <law@redhat.com>
16695 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16697 (mark_threaded_blocks, register_jump_thread): New functions.
16698 (thread_through_all_blocks): Remove unwanted argument. No
16699 longer rely on e->aux to communicate thread target info.
16700 Call mark_threaded_blocks. Release the threaded_blocks
16701 bitmap and threaded_edges vector when complete.
16702 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16703 (threaded_blocks): Remove.
16704 (tree_ssa_dominator_optimize): Remove initialization and
16705 finalization of threaded_blocks. Simplify call to
16706 thread_through_all_blocks.
16707 (thread_across_edge): Call register_jump_thread rather than
16708 storing thread information into e->aux.
16709 (free_all_edge_infos): Simplify now that e->aux is no longer
16710 used to communicate with thread_through_all_blocks.
16711 * tree-flow.h (thread_through_all_blocks): Update prototype.
16712 (register_jump_thread): Prototype.
16714 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16716 * df-core.c (df_compact_blocks, df_bb_replace): Use
16717 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16719 2006-01-11 Richard Guenther <rguenther@suse.de>
16721 PR tree-optimization/25734
16722 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16723 stop propagation after successful propagation to the LHS.
16725 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16727 * basic-block.h (control_flow_graph): Change the type of
16728 x_basic_block_info to VEC(basic_block,gc) *.
16729 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16731 (SET_BASIC_BLOCK): New.
16732 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16733 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16734 * cfgbuild.c (find_basic_blocks): Likewise.
16735 * cfglayout.c (fixup_reorder_chain): Likewise.
16736 * cfgrtl.c (create_basic_block_structure,
16737 rtl_create_basic_block): Likewise.
16738 * ifcvt.c (find_if_case_1): Likewise.
16739 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16742 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16744 * Makefile.in: Removed rotted odf.c entry.
16746 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16749 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16750 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16751 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16752 output pattern modifier, not %e.
16753 * config/cris/cris.c (cris_op_str): Update comment about pattern
16755 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16756 before falling through into...
16757 <case 'E'>: Redefined from old 'e' case.
16759 2006-01-11 Jan Hubicka <jh@suse.cz>
16762 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16764 2006-01-11 Jan Hubicka <jh@suse.cz>
16766 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16767 * i386.c (x86_decompose_lea): Kill.
16768 (ix86_rtx_costs): Kill.
16770 2006-01-11 Jan Hubicka <jh@suse.cz>
16772 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16773 * cgraph.h (cgraph_node): Add inline_decl.
16774 (cgraph_insert_node_to_hashtable): Declare.
16775 (save_inline_function_body): Declare.
16776 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16778 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16779 (cgraph_function_versioning): Update call of tree_function_versioning.
16780 (save_inline_function_body): New function.
16781 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16782 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16783 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16784 (cgraph_default_inline_p): Likewise.
16785 (cgraph_decide_inlining_incrementally): Likewise.
16786 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16787 (copy_bb): Kill saving; do updating of clones.
16788 (copy_cfg_body): Kill saving.
16789 (initialize_inlined-parameters): Likewise.
16790 (expand_call_inline): Likewise.
16792 (tree_function_versioning): New parameter "update_clones".
16793 (inlining_p): Kill saving.
16794 * tree-inline.h (tree_function_versioning): Update prototype.
16795 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16798 2006-01-11 Ian Lance Taylor <ian@airs.com>
16800 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16801 Allow undoing set of machine mode.
16802 (do_SUBST): Use enums instead of is_int.
16803 (do_SUBST_MODE): New function.
16804 (SUBST_MODE): New macro.
16805 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16806 reg and trying to replace reg_regno_rtx with a new register.
16807 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16808 (simplify_set): Use SUBST_MODE.
16809 (distribute_notes): Remove code that tried to update reg notes
16810 for regno_reg_rtx changes.
16812 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16814 PR tree-optimization/23109
16815 PR tree-optimization/23948
16816 PR tree-optimization/24123
16818 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16819 * tree-cfg.c (single_noncomplex_succ): New.
16820 * tree-flow.h (single_noncomplex_succ): Declare it.
16821 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16822 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16823 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16824 insert_bb, register_division_in, insert_reciprocals,
16825 replace_reciprocal, free_bb): New.
16826 (execute_cse_reciprocals_1): Rewritten.
16827 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16828 Do not commit any edge insertion. Always compute dominators and
16829 create the allocation pool.
16830 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16831 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16832 * targhooks.c (default_min_divistions_for_recip_mul): New.
16833 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16834 * passes.c (init_optimization_passes): Run recip after tree loop
16836 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16838 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16839 Kenneth Zadeck <zadeck@naturalbridge.com>
16841 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16842 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16843 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16844 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16845 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16846 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16847 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16848 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16849 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16850 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16851 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16852 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16853 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16854 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16855 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16856 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16857 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16858 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16859 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16860 DF_SCAN_POST_ALLOC): New macros.
16861 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16862 df_free_bb_function, df_local_compute_function, df_init_function,
16863 df_dataflow_function, df_confluence_function_0,
16864 df_confluence_function_n, df_transfer_function,
16865 df_finalizer_function, df_free_function, df_dump_problem_function,
16866 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16867 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16868 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16869 df_urec_bb_info, ) New types.
16870 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16872 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16873 df_analyze_simple_change_some_blocks,
16874 df_analyze_simple_change_one_block, df_compact_blocks,
16875 df_bb_replace, df_bb_regno_last_use_find,
16876 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16877 df_insn_regno_def_p, df_find_def, df_find_use,
16878 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16879 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16880 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16881 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16882 debug_df_chain, df_get_dependent_problem, df_chain_create,
16883 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16884 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16885 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16886 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16887 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16888 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16889 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16890 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16891 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16892 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16893 df_reorganize_refs, df_set_state, df_hard_reg_init,
16894 df_read_modify_subreg_p) New public functions.
16895 * df-core.c: The core dataflow solver and glue routines for rtl
16897 (df_init, df_add_problem, df_set_blocks, df_finish,
16898 df_hybrid_search_forward, df_hybrid_search_backward,
16899 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16900 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16901 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16902 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16903 df_reg_defined, df_find_use, df_reg_used, df_dump,
16904 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16905 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16906 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16907 debug_df_useno, reset_df_after_reload): New functions.
16908 * df-scan.c: The scanning fuctions, once in df.c, completely
16909 rewritten so that they now fully model the functionality of
16910 register usage at the backend.
16911 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16912 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16913 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16914 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16915 df_get_artificial_defs, df_get_artificial_uses,
16916 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16917 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16918 df_refs_delete, df_reorganize_refs, df_set_state,
16919 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16920 df_def_record_1, df_defs_record, df_uses_record,
16921 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16922 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16923 df_record_exit_block_uses, df_hard_reg_init): New functions.
16925 * df-problems.c: Seven concrete dataflow problems that use the
16926 scanning in df-scan.c and are solved by the engine in df-core.c.
16927 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16928 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16929 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16930 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16931 df_ru_free_bb_info, df_ru_alloc,
16932 df_ru_bb_local_compute_process_def,
16933 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16934 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16935 df_ru_transfer_function, df_ru_free, df_ru_dump,
16936 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16937 df_rd_free_bb_info, df_rd_alloc,
16938 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16939 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16940 df_rd_transfer_function, df_rd_free, df_rd_dump,
16941 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16942 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16943 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16944 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16945 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16946 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16947 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16948 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16949 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16950 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16951 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16952 df_urec_mark_reg_use_for_earlyclobber,
16953 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16954 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16955 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16956 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16957 df_chain_create_bb_process_use, df_chain_create_bb,
16958 df_chain_finalize, df_chain_free, df_chains_dump,
16959 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16960 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16961 df_reg_lifetime): New functions.
16962 * df.c: Deleted file.
16963 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16964 consistent with new df api.
16965 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16966 rest_of_handle_sms): Ditto.
16967 * web.c (unionfind_union, union_defs, entry_register, web_main):
16969 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16970 invariant_expr_equal_p, find_defs, check_dependencies,
16971 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16972 free_inv_motion_data, move_loop_invariants): Ditto.
16973 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16974 Update dependencies.
16975 (odf.c): Added defective entry that was deleted later in day.
16976 * sched-deps.c (sched_analyze_1): Ditto.
16978 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16980 * tree-ssa-operands.c (get_expr_operands): Record addressable
16981 variables directly. Do not call add_stmt_operands for CONST_DECLs
16983 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16984 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16986 2006-01-11 Ben Elliston <bje@au.ibm.com>
16988 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16989 function returns true in the positive case.
16991 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16994 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16995 for SI, DI, SF and DF modes. Add alternatives to copy between
16996 general and floating point registers to the 32-bit patterns.
16997 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16998 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16999 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17000 generating 64-bit code.
17001 * config/pa/pa.c (output_move_double): Handle copies between general
17002 and floating registers.
17004 2006-01-10 Stuart Hastings <stuart@apple.com>
17006 * config/i386/i386.md (set_got): Update.
17007 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17008 (builtin_setjmp_receiver): Mach-O support.
17009 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17010 (GOT_SYMBOL_NAME): Define.
17011 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17012 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17013 * config/i386/i386.c (override_options): Revise for Darwin.
17014 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17015 support. (darwin_x86_file_end): New. (output_set_got): Add label
17016 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17017 * config/i386/i386-protos.h (output_set_got): Likewise.
17018 * config/darwin.c (machopic_legitimize_pic_address): Update
17021 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17023 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17024 when MODE isn't BLKmode.
17026 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17028 PR rtl-optimization/25367
17029 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17031 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17034 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17035 for a negative bound.
17037 2006-01-10 Richard Guenther <rguenther@suse.de>
17039 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17040 Never override with anything constraint.
17042 2006-01-10 Jan Beulich <jbeulich@novell.com>
17044 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17045 256 bits when optimize_size.
17047 2006-01-10 Jan Beulich <jbeulich@novell.com>
17049 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17051 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17052 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17055 2006-01-10 Ben Elliston <bje@au.ibm.com>
17057 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17059 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17060 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17061 (USE_FP_FOR_ARG): Reject decimal float modes.
17062 (function_arg_advance): Likewise.
17063 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17064 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17065 point types in AltiVec vectors.
17066 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17067 (rs6000_libcall_value): Likewise.
17069 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17071 * config/xtensa/ieee754-df.S: New file.
17072 * config/xtensa/ieee754-sf.S: New file.
17073 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17074 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17075 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17077 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17079 * config/sh/predicates.md (binary_float_operator,
17080 binary_logical_operator, commutative_float_operator,
17081 equality_comparison_operator, greater_comparison_operator,
17082 less_comparison_operator, logical_operator,
17083 noncommutative_float_operator, shift_operator,
17084 symbol_ref_operand, unary_float_operator): Remove redundant
17087 2006-01-09 Jeff Law <law@redhat.com>
17089 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17090 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17091 now unused arguments. Callers updated.
17092 (eliminate_redundant_computations): Remove now unused arguments,
17094 (local_fold): Remove, no longer used.
17095 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17097 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17098 (simplify_cond): New function.
17099 (forward_propagate_into_cond): Call simplify_cond.
17101 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17103 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17104 (*vec_extractv2di_1_sse): New.
17106 2006-01-09 Ben Elliston <bje@au.ibm.com>
17108 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17110 2006-01-08 Richard Guenther <rguenther@suse.de>
17112 * tree-ssa-structalias.c (get_constraint_for): Remove
17113 anyoffset argument.
17114 (get_constraint_for_component_ref): Likewise.
17115 (do_deref): Likewise.
17116 (get_constraint_for): Likewise.
17117 (do_structure_copy): Likewise.
17118 (handle_ptr_arith): Likewise.
17119 (find_func_aliases): Likewise. Remove unused need_anyoffset
17122 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17123 Kaz Kojima <kkojima@gcc.gnu.org>
17125 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17126 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17127 (EXTRA_CONSTRAINT_C16): Remove.
17128 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17129 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17130 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17131 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17132 constants of SHmedia. Handle nested constant expressions of
17134 (andcosts): Fix the costs for SHmedia constants.
17135 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17136 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17137 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17138 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17139 (movv4hi_i, movv2si_i): Likewise.
17140 (movsi_const): Adjust the second operand of ior so to match with
17141 the Csu constraint.
17142 (movdi_const, movdi_const_32bit): Likewise.
17143 (movdi_const_16bit+1): Don't sign-extend LOW.
17144 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17146 (*double_shori): Fix the split condition. Use GEN_INT instead
17147 of get_int_mode calls. Mask lower 16-bit of the argument of
17149 (sym2GOTPLT): Remove.
17150 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17152 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17153 instead of EXTRA_CONSTRAINT_C16.
17155 2006-01-07 Ian Lance Taylor <ian@airs.com>
17156 David Edelsohn <edelsohn@gnu.org>
17158 PR rtl-optimization/25662
17159 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17160 for constant operands instead of simplify_gen_binary.
17161 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17162 after trying simplify_binary_operation
17164 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17166 * tree.c (iterative_hash_expr): Hash decls based on UID.
17168 2006-01-06 Eric Christopher <echristo@apple.com>
17170 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17171 (TARGET_UNWIND_EMIT): Fix spelling.
17172 * target.h (gcc_target): Add except_table_label.
17173 * except.c (output_function_exception_table): Use.
17174 * varasm.c (default_emit_except_table_label): New.
17175 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17177 (asm_out): Add here.
17178 * output.h (default_emit_except_table_label): Prototype.
17179 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17180 * config/darwin.c (darwin_emit_except_table_label): Define.
17181 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17183 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17185 PR tree-optimization/18527
17186 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17187 number_of_iterations_special, number_of_iterations_exit):
17188 Move base and step of an iv to a single structure. Add
17189 no_overflow flag, and use it in # of iterations analysis.
17190 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17191 folded_casts argument.
17192 (simple_iv): Pass base and step in a structure. Set no_overflow
17194 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17195 Evaluate expensiveness of computing # of iterations instead of
17196 the final expression.
17197 * tree-scalar-evolution.h (affine_iv): New structure.
17198 (simple_iv): Declaration changed.
17199 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17200 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17201 find_givs_in_stmt): Changed due to simple_iv change.
17203 2006-01-06 Jeff Law <law@redhat.com>
17206 * tree-cfg.c (bsi_replace): Rename final argument from
17207 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17208 change (stmt -> orig_stmt).
17209 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17210 (bsi_remove): Add new argument. Remove EH information
17212 (verify_eh_throw_table_statements): New function.
17213 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17215 * tree-optimize.c (execute_free_cfg_annotations): Verify
17216 the EH throw statement table after removing annotations.
17217 * except.h (verify_eh_throw_table_statements): Prototype.
17218 * tree-flow.h (bsi_remove): Update prototype.
17219 * tree-vrp.c (remove_range_assertions): Add new argument to
17221 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17222 * tree-complex.c (expand_complex_div_wide): Likewise.
17223 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17224 * tree-tailcall.c (eliminate_tailcall): Likewise.
17225 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17226 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17227 * tree-nrv.c (tree_nrv): Likewise.
17228 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17229 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17230 (combine_blocks): Likewise.
17231 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17232 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17233 (cleanup_control_flow): Likewise.
17234 (remove_forwarder_block): Likewise.
17235 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17236 * tree-sra.c (sra_replace): Likewise.
17237 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17238 (forward_propagate_single_use_vars): Likewise.
17239 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17240 * tree-inline.c (expand_call_inline): Likewise.
17241 * tree-vect-transform.c (vect_transform_loop): Likewise.
17242 * tree-outof-ssa.c (rewrite_trees): Likewise.
17243 * tree-cfg.c (make_goto_expr_edges): Likewise.
17244 (cleanup_dead_labels): Likewise.
17245 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17246 (bsi_move_before, bsi_move_after): Likewise.
17247 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17248 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17250 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17253 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17255 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17256 on non gimple variables. Also add checks at the top for decls and
17258 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17260 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17261 and IMAGPART_EXPR for creating MUST_DEFs.
17262 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17263 and NAME_MEMORY_TAG separately from the DECLs.
17265 2006-01-06 Richard Guenther <rguenther@suse.de>
17267 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17268 annotation, if necessary.
17269 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17270 redundant calls to update_stmt.
17271 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17274 2006-01-05 Richard Henderson <rth@redhat.com>
17276 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17278 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17280 * c-typeck.c: Update copyright date.
17282 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17284 * c-typeck.c (build_c_cast): Always warn when casting
17285 from a pointer to an integer of different size, even if
17286 the node was constant.
17288 2006-01-05 Richard Guenther <rguenther@suse.de>
17290 PR tree-optimization/22555
17291 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17292 if one structure field is an array.
17293 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17294 operands even if we found a subvar, but ignore VOPs in this
17296 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17298 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17300 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17302 PR middle-end/24998
17303 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17305 2006-01-05 Richard Guenther <rguenther@suse.de>
17306 Diego Novillo <dnovillo@redhat.com>
17308 * tree-pass.h (TODO_remove_unused_locals): Define.
17309 * gimple-low.c (expand_var_p, remove_useless_vars,
17310 pass_remove_useless_vars): Remove. Update all users.
17311 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17312 (remove_unused_locals): New function.
17313 * tree-flow.h (remove_unused_locals): Declare.
17314 * passes.c (execute_todo): Call remove_unused_locals if
17315 TODO_remove_unused_locals is set.
17316 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17317 * tree-ssa-dce.c (pass_dce): Likewise.
17318 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17320 2006-01-05 Richard Guenther <rguenther@suse.de>
17322 * tree-flow.h (struct fieldoff): Decompose field to
17323 type, size and decl.
17324 * tree-ssa-alias.c (create_sft): Take type as parameter.
17325 (create_overlap_variables_for): Store type, size and decl
17326 in the fieldoff structure.
17327 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17328 of struct fieldoff.
17329 (push_fields_onto_fieldstack): Likewise.
17330 (create_variable_info_for): Likewise. Use offset for the
17331 SFT name if the decl is not available.
17333 2006-01-04 Paul Brook <paul@codesourcery.com>
17335 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17337 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17339 * lambda-code.c (can_put_in_inner_loop): Relax
17341 (can_put_after_inner_loop): New function.
17342 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17343 (perfect_nestify): Change to make copies and modify uses.
17345 2006-01-04 Richard Henderson <rth@redhat.com>
17347 Merge from gomp branch:
17348 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17349 via integer constant.
17350 (pragma_lex): Remove.
17351 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17352 rather than parsing it.
17353 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17354 handle_pragma_extern_prefix): Add %< %> quotes.
17355 (registered_pragmas): New.
17356 (c_register_pragma_1): New.
17357 (c_register_pragma): Use it.
17358 (c_register_pragma_with_expansion): Likewise.
17359 (c_invoke_pragma_handler): New.
17360 (init_pragma): Use cpp_register_deferred_pragma directly for
17362 * c-pragma.h (enum pragma_kind): New.
17363 (pragma_handler): New.
17364 (c_invoke_pragma_handler): Declare.
17365 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17367 * c-common.h (c_common_pch_pragma): Update decl.
17368 * Makefile.in (c-parser.o): Update dependencies.
17369 (GTFILES): Add c-pragma.h.
17370 * c-parser.c (struct c_token): Add pragma_kind.
17371 (struct c_parser): Add in_pragma.
17372 (c_lex_one_token): Always initialize keyword and pragma_kind.
17373 Extract data for CPP_PRAGMA.
17374 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17375 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17376 Don't allow CPP_PRAGMA_EOL if in_pragma.
17377 (c_parser_consume_pragma): New.
17378 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17379 (c_parser_skip_to_end_of_parameter): Likewise.
17380 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17381 (c_parser_skip_to_pragma_eol): New.
17382 (c_parser_external_declaration): Handle CPP_PRAGMA.
17383 (c_parser_compound_statement_nostart): Likewise.
17384 (c_parser_statement_after_labels): Likewise.
17385 (c_parser_pragma): New.
17386 (pragma_lex): Likewise.
17387 (c_parser_pragma_pch_preprocess): New.
17388 (c_parser_new): Merge into ...
17389 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17391 2006-01-04 Jeff Law <law@redhat.com>
17394 * tree-cfg.c (bsi_replace): Remove the original statement
17395 from the EH throw statement table.
17397 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17399 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17400 make the prototype extern "C" and add throw ().
17403 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17404 and pos non-negative and pos + len <= 32.
17405 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17406 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17407 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17410 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17411 as well as sizes not multiple of component size.
17414 * function.c (instantiate_expr): New function.
17415 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17416 walk its DECL_VALUE_EXPR with instantiate_expr.
17418 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17419 DW_OP_deref{,_size} if address isn't going to be added.
17421 2006-01-04 Ben Elliston <bje@au.ibm.com>
17423 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17424 * config/fp-bit.c: Likewise.
17426 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17428 * dominance.c: Add comment about why we use DFS numbering
17431 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17432 Richard Henderson <rth@redhat.com>
17434 Merge from gomp-branch:
17435 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17436 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17438 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17440 PR rtl-optimization/25578
17441 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17442 pass a parameter to simplify_shift_const if changing ASHIFTRT
17445 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17447 * builtins.c (get_builtin_sync_mem): New function.
17448 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17449 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17450 Call get_builtin_sync_mem to generate mem rtx.
17452 2006-01-03 Richard Guenther <rguenther@suse.de>
17455 * stmt.c (add_case_node): Make sure to clear overflow flags
17458 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17460 Merge from gomp-branch.
17461 * config/sparc/sync.md: New file.
17462 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17463 UNSPECV_LDSTUB): New constants.
17464 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17465 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17466 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17469 2006-01-03 Roger Sayle <roger@eyesopen.com>
17471 * combine.c (reg_subword_p): New predicate to test whether the
17472 destination of a set refers to a subword/piece of a register.
17473 (try_combine): Generalize the code to merge the setting of a
17474 pseudo to a constant followed by a set of a subword of that
17475 register to a constant.
17477 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17479 * basic-block.h (control_flow_graph): Change the type of
17480 x_label_to_block_map to VEC(basic_block,gc) *.
17481 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17482 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17484 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17485 VEC(basic_block,heap) *.
17486 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17487 ssa_prop_fini): Adjust the uses of cfg_blocks.
17489 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17491 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17493 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17494 hashing trees instead of a pointer hash.
17495 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17496 compare for MEM_EXPR.
17498 PR rtl-optimization/25130
17499 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17500 when comparing MEMs for GCSE
17502 2006-01-03 Ben Elliston <bje@au.ibm.com>
17504 * targhooks.h (default_decimal_float_supported_p): Declare.
17505 * targhooks.c (default_decimal_float_supported_p): Define.
17506 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17507 `default_decimal_float_supported_p'.
17508 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17510 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17512 * combine.c (apply_distributive_law <SUBREG>): Check
17513 TRULY_NOOP_TRUNCATION.
17515 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17517 * dwarf2out.c (have_switched_text_section): Delete.
17518 (have_multiple_function_sections): New.
17519 (have_location_lists): Make 'bool'.
17520 (add_AT_loc_list): Use 'true' not '1'.
17521 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17522 (output_loc_list): Use have_multiple_function_sections.
17523 (output_ranges): Likewise.
17524 (dwarf2out_begin_function): Set have_multiple_function_sections if
17526 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17527 Check function_section rather than DECL_SECTION_NAME.
17528 (dwarf2out_finish): Use have_multiple_function_sections.
17529 Don't clear have_location_lists.
17531 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17532 Jan Hubicka <jh@suse.cz>
17534 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17535 case of conditional jump jumping to the next instruction.
17536 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17537 cases of conditional jump jumping to the next instruction.
17539 2006-01-02 Jan Hubicka <jh@suse.cz>
17541 * i386.c (*_cost): Add COSTS_N_INSNS.
17542 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17544 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17547 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17549 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17551 * config/arm/arm.c (all_fpus): Fix comment typo.
17552 * config/darwin.c: Likewise.
17553 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17554 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17555 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17557 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17559 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17560 (rs6000_split_compare_and_swapqhi): New.
17561 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17562 (sync_compare_and_swapqhi_internal): New.
17563 * config/rs6000/rs6000-protos.h: Declare.