1 2006-11-07 David Ung <davidu@mips.com>
3 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4 costs when optimizing for size.
5 (override_options): Use mips_rtx_cost_optimize_size table for cost
8 2006-11-07 Jie Zhang <jie.zhang@analog.com>
10 * gcc.c (process_command): Treat -b as normal switch if its argument
13 2006-11-07 David Ung <davidu@mips.com>
15 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
18 2006-11-06 Eric Christopher <echristo@apple.com>
20 * config.gcc: Add x86_64-darwin host support.
22 * config/i386/darwin64.h: New file.
23 * config/i386/t-darwin64: Ditto.
25 2006-11-06 Janis Johnson <janis187@us.ibm.com>
27 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
28 and output-exists-not.
30 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
33 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
34 checking for overflow.
36 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
38 * configure.ac: Fixed typo in case statement: :: changed to ;;
40 2006-11-06 Bob Wilson <bob.wilson@acm.org>
42 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
43 count_leading_zeros, and count_trailing_zeros.
44 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
45 (TARGET_FOLD_BUILTIN): Define.
46 (TARGET_EXPAND_BUILTIN): Define.
47 (xtensa_init_builtins): New.
48 (xtensa_fold_builtin): New.
49 (xtensa_expand_builtin): New.
50 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
51 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
52 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
53 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
54 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
55 (any_extend): New code macro.
56 (u, su): New code attributes.
57 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
58 (nsau): Remove; replaced by clzsi2.
60 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
61 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
62 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
63 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
64 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
66 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
68 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
70 * config/arm/t-strongarm-elf: Likewise.
71 * config/arm/t-pe: Likewise.
72 * config/arm/t-arm-elf: Likewise.
73 * config/arm/t-xscale-elf: Likewise.
74 * config/arm/t-arm-coff: Likewise.
75 * config/arm/t-xscale-coff: Likewise.
76 * config/arm/t-wince-pe: Likewise.
78 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
80 * config/sh/lib1funcs-4-300.asm: Guard entire file with
83 2006-11-05 Jakub Jelinek <jakub@redhat.com>
86 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
89 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
92 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
93 as a valid 80387 constant.
94 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
95 * config/i386/i386.md (unnamed splitter): Split the load of
96 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
99 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
101 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
102 from the soft-frame, argument and virtual registers.
104 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
106 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
107 patterns for standard 80387 constants.
109 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
110 Steven Bosscher <steven@gcc.gnu.org>
112 * fwprop.c: New file.
113 * Makefile.in: Add fwprop.o.
114 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
115 * passes.c (init_optimization_passes): Schedule forward propagation.
116 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
118 * timevar.def (TV_FWPROP): New.
119 * common.opt (-fforward-propagate): New.
120 * opts.c (decode_options): Enable forward propagation at -O2.
121 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
122 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
123 canon_for_address, table_size): Remove.
124 (new_basic_block, insert, remove_from_table): Remove references to
126 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
127 simplification loop more straightforward by not calling fold_rtx
129 (equiv_constant): Move here a small part of fold_rtx_subreg,
130 do not call fold_rtx. Call avoid_constant_pool_reference
132 * recog.h (canonicalize_change_group): New.
134 * doc/invoke.texi (Optimization Options): Document fwprop.
135 * doc/passes.texi (RTL passes): Document fwprop.
137 2006-11-03 Geoffrey Keating <geoffk@apple.com>
139 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
140 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
141 (grokdeclarator): Likewise.
143 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
145 * tree-dump.c (dump_enable_all): Rename local variable
146 ir_type to avoid name conflicts.
147 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
148 instead of using ir_type().
149 * profile.c (tree_register_profile_hooks): Likewise.
150 * value-prof.c (tree_register_value_prof_hooks): Likewise.
151 * basic-block.h (struct edge_def): Likewise.
152 * config/arm/arm.c (legitimize_pic_address): Likewise.
153 * coretypes.h (ir_type): New enum of all intermediate languages
155 * cfghooks.c (ir_type): Rename to...
156 (current_ir_type): ...this. Distinguish between cfgrtl and
157 cfglayout mode when the current IR is RTL. Return enum ir_type.
158 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
160 2006-11-03 Paul Brook <paul@codesourcery.com>
162 * config/arm/arm.c (arm_file_start): New function.
163 (TARGET_ASM_FILE_START): Define.
164 (arm_default_cpu): New variable.
165 (arm_override_options): Set arm_default_cpu.
167 2006-11-03 David Ung <davidu@mips.com>
169 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
170 PROCESSOR_24KC and PROCESSOR_24KF.
171 * config/mips/mips.c (mips_cpu_info_table): Add processor names
172 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
173 (mips_rtx_cost_data): Add costs for the 24kc.
174 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
175 * config/mips/24k.md: Remove references to 24k and replace with
176 uses of 24kc/24kf in the appropriate reservations.
177 * doc/invoke.texi (MIPS Options): Updated.
179 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
181 * config/sh/crt1.asm: Fix #ifdef indent.
183 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
184 Merged from STMicroelectronics sources:
185 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
186 * config/sh/crt1.asm (vbr_600): Add missing #if.
187 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
188 * sh.opt (mfused-madd): New option.
189 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
190 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
191 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
192 Remove pointless handler at VBR+0.
193 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
194 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
195 fr7. Make sure the timer handler is called with the correct FPU
196 precision setting, according to the ABI.
197 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
198 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
199 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
200 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
201 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
202 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
203 zero as second operand.
204 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
205 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
206 Fixed some bugs related to negative values, in particular -0
207 and overflow at -0x80000000.
208 * config/sh/divcost-analysis: Added sh4-300 figures.
209 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
210 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
211 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
212 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
213 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
214 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
216 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
218 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
219 SH4-300 scheduling description & fixes to SH4-[12]00 description:
220 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
221 mac_mem, mem_mac, dfp_mul, fp_cmp.
222 (insn_class, dfp_comp, any_fp_comp): Update.
223 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
224 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
225 (muldf3_i): Likewise.
226 (movsi_i): Split rI08 alternative into two separate alternatives.
228 (movsi_ie, movsi_i_lowpart): Likewise.
229 (movqi_i): Split ri alternative into two separate alternatives.
231 * sh1.md (sh1_load_store, sh1_fp): Update.
232 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
233 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
234 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
235 (sh4a_fp_double_arith): Likewise.
236 * sh4-300.md: New file.
237 * sh.c (sh_handle_option): Handle m4-300* options.
238 (sh_adjust_cost): Fix latency of auto-increments.
239 Handle SH4-300 differently than other SH4s. Check for new insn types.
240 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
241 been set by an option.
242 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
243 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
244 (mbranch-cost=): Likewise.
245 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
247 * sh.md (mulsf3): Remove special expansion code.
248 (mulsf3_ie): Now a define_insn_and_split.
249 (macsf3): Allow for TARGET_SH4.
251 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
252 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
253 (expand_cbranchdi4): Likewise.
254 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
255 CONST_DOUBLE if the outer code is COMPARE.
256 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
257 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
258 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
259 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
260 Remove redundant fp_{zero,one}_operand checks.
261 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
262 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
263 (expand_cbranchdi4): Likewise.
264 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
265 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
267 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
269 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
272 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
274 * doc/invoke.texi: Fix mfp-trap-mode typo.
276 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
278 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
279 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
280 file_end_indicate_exec_stack.
281 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
283 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
284 for a non-executable stack.
285 * crti.asm: Likewise.
286 * crtn.asm: Likewise.
287 * libunwind.S: Likewise.
289 2006-11-02 Ben Elliston <bje@au.ibm.com>
291 * tree-ssa.c (warn_uninit): Use expand_location variables for
292 locus and declaration locus.
294 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
297 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
298 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
299 cmp{eq,gt,gtu}{si,di}_media.
300 (*cmpne0si_media): Remove.
301 (*movsicc_umin): Adjust gen_cmp*_media call.
302 (unordered): Change the mode of unordered and operands[1] to
304 (seq): Adjust gen_cmp*_media calls. Make the mode of
305 a temporary result of compare SImode if needed. If the mode
306 of operands[0] is DImode, extend the temporary result to DImode.
307 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
308 (sunorderd): Change the mode of match_operand and unorderd to
310 (cmpeq{sf,df}_media): Remove.
311 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
312 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
313 and compare operation to SImode.
315 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
317 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
319 (sparc64-sun-solaris2*): Likewise.
321 2006-11-02 Paul Brook <paul@codesourcery.com>
323 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
324 from priority argument. Use different section for non-default
326 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
328 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
331 * except.c (switch_to_exception_section): Do not cache the section
332 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
333 and flag_function_sections is set.
335 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * builtins.c (do_mpfr_sincos): New.
339 (fold_builtin_1): Use it to fold builtin sincos.
341 2006-11-01 Roger Sayle <roger@eyesopen.com>
343 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
344 it into -D_REENTRANT.
346 2006-11-01 Roger Sayle <roger@eyesopen.com>
348 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
349 whether the assembler supports taking the difference of symbols in
350 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
351 * configure: Regenerate.
352 * config.in: Regenerate.
353 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
354 the assembler doesn't support taking the difference of symbols in
355 different sections, i.e. we're using the native solaris assembler.
357 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
358 Peter Bergner <bergner@vnet.ibm.com>
360 * doc/invoke.texi: Add cpu_type power6x
361 (RS/6000 and PowerPC Options): Add -mmfpgpr.
362 * config.gcc: Add cpu_type power6x.
363 * configure.ac: Add test for mf{t,f}gpr instructions.
364 (HAVE_AS_MFPGPR): New.
365 * config.in: Regenerate.
366 * configure: Regenerate.
367 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
368 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
369 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
370 and mftgpr attributes.
371 (define_attr "cpu"): Add power6.
372 Change instruction sequences to use new attributes.
373 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
374 (fix_truncdfsi2_mfpgpr): New.
375 (floatsidf_ppc64_mfpgpr): New.
376 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
377 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
378 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
379 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
380 (fix_truncdfsi2): Use gpc_reg_operand constraint.
381 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
382 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
383 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
384 cntlz,exts and var_delayed_compare.
385 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
386 _ARCH_PWR6X, if features enabled.
387 * config/rs6000/rs6000.opt (mmfpgpr): New.
388 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
389 (cached_can_issue_more): New variable.
390 (processor_costs): Add power6_cost.
391 (rs6000_sched_init): New function.
392 (is_dispatch_slot_restricted): Deleted.
393 (set_to_load_agen): New function.
394 (is_load_insn,is_store_insn): New functions.
395 (adjacent_mem_locations): New function.
396 (insn_must_be_first_in_group): New function.
397 (insn_must_be_last_in_group): New function.
398 (rs6000_sched_reorder): New function.
399 (rs6000_sched_reorder2): New function.
400 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
401 TARGET_SCHED_REORDER2): Define.
402 (processor_target_table): Use PROCESSOR_POWER6 for power6.
403 Add power6x. Add MASK_MFPGPR for power6x.
404 (POWERPC_MASKS): Add MASK_MFPGPR.
405 (rs6000_override_options): Set rs6000_always_hint to false
406 for power6. Set rs6000_align_branch_targets. Replace
407 rs6000_sched_groups check with rs6000_align_branch_targets.
408 Use PROCESSOR_POWER6.
409 (last_scheduled_insn): New variable.
410 (load_store_pendulum): New variable.
411 (rs6000_variable_issue): Set last_scheduled_insn and
412 cached_can_issue_more.
413 (rs6000_adjust_cost): Add power6 cost adjustments.
414 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
415 with insn_must_be_first_in_group. Add power6 priority adjustments.
416 (rs6000_issue_rate): Add CPU_POWER6.
417 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
418 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
419 (TARGET_MFPGPR): New.
420 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
421 (ASM_CPU_SPEC): Add power6x.
422 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
424 * config/rs6000/power6.md: New file.
426 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
428 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
429 HOST_WIDE_INT_PRINT to print high and low parts. Use
430 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
431 printing a hexadecimal number prefix it with 0x.
433 2006-11-01 Chris Johns <chris@contemporary.net.au>
436 * Makefile.in (install-driver): Use exeext when installing
437 $target-gcc-$version.
439 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
441 * c-common.c (flag_cpp0x): New.
442 * c-common.h (flag_cpp0x): New.
443 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
444 supported, define __GXX_EXPERIMENTAL_CPP0X__.
445 * c-opts.c (set_std_cxx0x): New.
446 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
447 * c.opt (std=c++0x): Document.
448 (std=gnu++0x): Ditto.
449 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
450 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
452 2006-11-01 Richard Guenther <rguenther@suse.de>
454 * config/i386/i386.c (ix86_expand_rint): Fix issues with
456 (ix86_expand_floorceildf_32): Likewise.
457 (ix86_expand_floorceil): Likewise.
458 (ix86_expand_trunc): Likewise.
460 2006-10-31 Andrew Pinski <pinskia@gmail.com>
462 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
465 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
467 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
469 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
471 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
473 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
474 * configure.ac (use_cxa_atexit): As a special case, don't test
475 for libc definition of __cxa_atexit on mingw32
476 * configure: Regenerate.
477 * config.gcc (i[34567]86-pc-mingw32): Default to
478 enable__cxa_atexit=yes.
480 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
482 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
484 2006-10-31 Geoffrey Keating <geoffk@apple.com>
487 * c-decl.c (start_struct): Don't create self-containing
489 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
491 * config/rs6000/rs6000-protos.h
492 (darwin_rs6000_special_round_type_align): New.
493 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
494 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
496 2006-10-31 Geoffrey Keating <geoffk@apple.com>
498 * toplev.c (compile_file): Call final_write_globals
499 even if there have been errors.
501 2006-10-31 Eric Christopher <echristo@apple.com>
502 Falk Hueffner <falk@debian.org>
504 * doc/extend.texi (__builtin_bswap32): Document.
505 (__builtin_bswap64): Ditto.
506 * doc/libgcc.texi (bswapsi2): Document.
508 * doc/rtl.texi (bswap): Document.
509 * optabs.c (expand_unop): Don't widen a bswap.
510 (init_optabs): Init bswap. Set libfuncs explicitly
511 for bswapsi2 and bswapdi2.
512 * optabs.h (OTI_bswap): New.
513 (bswap_optab): Ditto.
514 * genopinit.c (optabs): Handle bswap_optab.
515 * tree.h (tree_index): Add TI_UINT32_TYPE and
517 (uint32_type_node): New.
518 (uint64_type_node): Ditto.
519 * tree.c (build_common_tree_nodes_2): Initialize
520 uint32_type_node and uint64_type_node.
521 * builtins.c (expand_builtin_bswap): New.
522 (expand_builtin): Call.
523 (fold_builtin_bswap): New.
524 (fold_builtin_1): Call.
525 * fold-const.c (tree_expr_nonnegative_p): Return true
527 * builtin-types.def (BT_UINT32): New.
529 (BT_FN_UINT32_UINT32): Ditto.
530 (BT_FN_UINT64_UINT64): Ditto.
531 * builtins.def (BUILT_IN_BSWAP32): New.
532 (BUILT_IN_BSWAP64): Ditto.
533 * rtl.def (BSWAP): New.
534 * genattrtab.c (check_attr_value): New.
535 * libgcc2.c (__bswapSI2): New.
537 * libgcc2.h (__bswapSI2): Declare.
539 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
540 * simplify-rtx.c (simplify_const_unary_operation): Return
542 * libgcc-std.ver (__bwapsi2): Add.
544 * reload1.c (eliminate_regs_1): Add bswap.
545 (elimination_effects): Ditto.
546 * config/i386/i386.h (x86_bswap): New.
548 * config/i386/i386.c (x86_bswap): Set.
550 2006-10-31 Geoffrey Keating <geoffk@apple.com>
552 * coverage.c (coverage_checksum_string): Update comment.
553 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
554 of get_file_function_name.
555 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
556 of get_file_function_name_long.
557 * tree.c (get_file_function_name): Rename from
558 get_file_function_name_long; improve comment; handle 'I' and 'D'
559 specially when the target has ctor/dtor support; remove special
561 (get_file_function_name): Remove.
562 * tree.h (get_file_function_name): Rename from
563 get_file_function_name_long.
564 (get_file_function_name): Remove prototype.
566 2006-10-31 Geoffrey Keating <geoffk@apple.com>
568 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
569 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
571 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
572 Call dsymutil when compiling and linking one or more source files
575 2006-10-31 Geoffrey Keating <geoffk@apple.com>
578 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
580 2006-10-31 Geoffrey Keating <geoffk@apple.com>
582 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
583 inline static functions in c99 mode.
586 * doc/extend.texi (Inline): Update.
587 * c-tree.h (struct language_function): Remove field 'extern_inline'.
588 * c-decl.c (current_extern_inline): Delete.
589 (pop_scope): Adjust test for an undefined nested function.
590 Add warning about undeclared inline function.
591 (diagnose_mismatched_decls): Update comments. Disallow overriding
592 of inline functions in a translation unit in C99. Allow inline
593 declarations in C99 at any time.
594 (merge_decls): Boolize variables. Handle C99 'extern inline'
596 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
597 C99 inline semantics.
598 (start_function): Don't clear current_extern_inline. Don't set
600 (c_push_function_context): Don't push current_extern_inline.
601 (c_pop_function_context): Don't restore current_extern_inline.
604 * c-typeck.c (build_external_ref): Warn about static variables
605 used in extern inline functions.
606 * c-decl.c (start_decl): Warn about static variables declared
607 in extern inline functions.
609 2006-10-31 Roger Sayle <roger@eyesopen.com>
612 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
613 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
614 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
615 or y is an even integer.
617 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
620 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
621 * gthr-posix95.h (__gthread_active_p): Likewise.
623 2006-10-31 Richard Guenther <rguenther@suse.de>
625 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
626 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
627 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
628 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
629 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
630 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
631 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
632 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
635 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
637 * opts.c (decode_options): Disable CSE skip blocks.
639 2006-10-30 Dirk Mueller <dmueller@suse.de>
641 * c-common.h (strict_aliasing_warning): Fix whitespace.
642 * c-decl (start_function): Move code for main decl warning ..
643 * c-common.c (check_main_parameter_types): .. here.
644 * c-common.h (check_main_parameter_types): Declare.
646 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
651 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
653 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
654 be a PARALLEL containing sets. Return false when out_pat is not
657 2006-10-30 Richard Sandiford <richard@codesourcery.com>
659 * config/mips/mips.md (mul<mode>3): Split into...
660 (mulsi3, muldi3): ...these separate patterns.
662 2006-10-30 Richard Sandiford <richard@codesourcery.com>
664 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
665 but with each set of options separated by spaces.
667 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
669 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
670 dwarf_reg_size_table has been initialized.
672 2006-10-30 Roger Sayle <roger@eyesopen.com>
674 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
675 * ddg.c (print_ddg_edge): Likewise.
676 * dwarf2out.c (prune_unused_types_walk): Likewise.
677 * ifcvt.c (noce_try_cmove_arith): Likewise.
678 * langhooks.c (add_builtin_function): Likewise.
679 * reg-stack.c (subst_stack_regs_pat): Likewise.
680 * tree.c (expanded_location): Likewise.
681 * tree-dump.c (dequeue_and_dump): Likewise.
683 2006-10-30 David Daney <ddaney@avtrex.com>
685 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
687 2006-10-30 Jakub Jelinek <jakub@redhat.com>
689 PR tree-optimization/29637
690 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
691 of the innertype is the innertype itself.
693 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
695 * dwarf2out.c (file_name_acquire): Correct typo.
697 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
699 * tree.h (tree_value_handle): Remove struct value_set declaration.
700 Change value_set to bitmap_set.
701 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
702 * tree-vn.c (get_value_handle): Made inline and moved to
704 * tree-flow-inline.h: (has_stmt_ann): New function.
705 * tree-ssa-pre.c (expressions): New variable.
706 (next_expression_id): Ditto.
707 (alloc_expression_id): New function.
708 (struct value_set): Remove.
709 (get_expression_id): New function.
710 (get_or_alloc_expression_id): Ditto.
711 (expression_for_id): Ditto.
712 (clear_expression_ids): Ditto.
713 (FOR_EACH_EXPR_ID_IN_SET): New macro.
714 (bb_value_sets): Renamed to bb_bitmap_sets.
715 All value sets replaced with bitmap_sets.
717 (BB_VISITED): New macro.
718 (postorder): New variable.
719 (add_to_value): Removed.
720 (value_exists_in_set_bitmap): Ditto.
721 (value_insert_into_set_bitmap): Ditto.
725 (set_contains_value): Ditto.
726 (insert_into_set): Ditto.
728 (find_leader): Ditto.
729 (bitmap_set_subtract_from_value_set): Ditto.
730 (value_insert_into_set): Ditto.
731 (print_value_set): Ditto.
732 (debug_value_set): Ditto.
733 (constant_expr_p): New function.
734 (bitmap_remove_from_set): Ditto.
735 (bitmap_insert_into_set): Ditto.
736 (bitmap_set_free): Ditto.
738 (sorted_array_from_bitmap_set): Ditto.
739 (bitmap_set_subtract): Ditto.
740 (bitmap_set_equal): Ditto.
741 (debug_bitmap_set): Ditto.
742 (find_leader_in_sets): Ditto.
743 (bitmap_set_replace_value): Modify for bitmapped sets.
744 (phi_translate): Ditto.
745 (phi_translate_set): Ditto.
746 (bitmap_find_leader): Ditto.
747 (valid_in_sets): Ditto.
748 (union_contains_value): Ditto.
750 (compute_antic_aux): Ditto. Mark changed blocks.
751 (compute_antic): Ditto. Iterate in postorder and only over
753 (compute_rvuse_and_antic_safe): Reuse postorder.
754 (create_component_ref_by_pieces): Modify for bitmapped sets.
755 (find_or_generate_expression): Ditto.
756 (create_expression_by_pieces): Ditto.
757 (insert_into_preds_of_block): Ditto.
758 (changed_blocks): New variable.
759 (do_regular_insertion): Broken out from insert_aux.
760 (insert_aux): Modified for bitmapped sets.
761 (find_existing_value_expr): New function.
762 (create_value_expr_from): Use it.
763 (insert_extra_phis): Removed.
764 (print_bitmap_set): Renamed from bitmap_print_value_set.
765 (compute_avail): Handle RETURN_EXPR.
766 (init_pre): Modify for bitmapped sets.
767 * tree-flow.h (has_stmt_ann): New function.
769 2006-10-29 Roger Sayle <roger@eyesopen.com>
771 * builtins.c (fold_builtin_floor): Check for the availability of
772 the C99 trunc function before transforming floor into trunc.
774 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
776 * builtins.c (fold_builtin_hypot): Rearrange recursive
777 transformation before others, and also do ABS_EXPR. When
778 necessary, check flag_unsafe_math_optimizations. When necessary,
781 2006-10-29 Roger Sayle <roger@eyesopen.com>
783 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
784 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
785 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
786 Fold -X eq/ne -Y as X eq/ne Y.
788 2006-10-29 Richard Sandiford <richard@codesourcery.com>
790 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
791 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
792 rather than GENERATE_MULT3_SI in the various define_peephole2s.
793 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
794 Use an inclusive test for "mult" rather than "mul".
795 (rotr<mode>3): Depend on ISA_HAS_ROR.
796 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
798 (GENERATE_MULT3_DI): Delete.
799 (ISA_HAS_64BIT_REGS): Use consistent formatting.
800 (ISA_HAS_MUL3): New macro.
801 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
802 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
803 (ISA_HAS_CLZ_CLO): Likewise.
804 (ISA_HAS_DCLZ_DCLO): Delete.
805 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
806 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
807 the VR4120 and VR4130.
808 (ISA_HAS_MACCHI): Use consistent formatting.
809 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
810 (ISA_HAS_ROR): ...this new macro.
811 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
812 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
813 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
815 2006-10-29 Roger Sayle <roger@eyesopen.com>
817 PR tree-optimization/15458
818 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
821 2006-10-29 Richard Guenther <rguenther@suse.de>
823 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
824 (ix86_expand_truncdf_32): Likewise.
825 * config/i386/i386.c (ix86_expand_trunc): New function expanding
826 trunc inline for SSE math and -fno-trapping-math and if not
828 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
829 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
830 for expanding btrunc inline for SSE math.
832 2006-10-29 Joseph Myers <joseph@codesourcery.com>
834 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
835 Handle tuning for bi-arch i[34567]86-*-linux* like that for
836 i[34567]86-*-solaris2.1[0-9]*.
837 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
838 Define conditionally depending on TARGET_64BIT_DEFAULT.
839 (SPEC_32, SPEC_64): Define.
840 (LINK_SPEC): Use them.
841 * doc/install.texi (--enable-targets=all): Document for x86-linux.
843 2006-10-29 Richard Guenther <rguenther@suse.de>
845 * config/i386/i386-protos.h (ix86_expand_round): Declare.
846 (ix86_expand_rounddf_32): Likewise.
847 * config/i386/i386.c (ix86_expand_round): New function expanding
848 round inline for SSE math and -fno-trapping-math and if not
850 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
851 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
852 round via ix86_expand_round.
854 2006-10-29 Richard Guenther <rguenther@suse.de>
856 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
857 (ix86_expand_floorceildf_32): Likewise.
858 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
859 static helper function.
860 (ix86_expand_floorceil): Expander for floor and ceil to SSE
862 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
863 * config/i386/i386.md (floordf2): Adjust to enable floor
864 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
865 -fno-trapping-math is enabled and if not optimizing for size.
866 (floorsf2, ceildf2, ceilsf2): Likewise.
867 * config/i386/sse.md (sse_maskcmpsf3): New insn.
868 (sse2_maskcmpdf3): Likewise.
870 2006-10-29 Richard Guenther <rguenther@suse.de>
872 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
873 rint in case -fno-trapping-math is enabled.
874 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
875 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
876 (ix86_expand_sse_fabs): Likewise.
877 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
878 * config/i386/i386.md (rintdf2): Enable for SSE math if
879 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
882 2006-10-29 Richard Guenther <rguenther@suse.de>
884 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
885 to conversion optabs.
886 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
888 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
889 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
890 (lfloor_optab, lceil_optab): Adjust defines.
891 * builtins.c (expand_builtin_int_roundingfn): Adjust for
892 lfloor and lceil optabs now being conversion optabs.
893 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
894 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
895 New static helper function.
896 (ix86_expand_lfloorceil): New function to expand lfloor and
898 * config/i386/i386.md (lfloor<mode>2): Split into ...
899 (lfloorxf<mode>2): ... x87 variant
900 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
901 using ix86_expand_lfloorceil.
902 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
904 * doc/md.texi (lfloorMN, lceilMN): Document.
906 2006-10-29 Richard Sandiford <richard@codesourcery.com>
908 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
909 -mno-shared assembler option on mips targets.
910 * configure, config.in: Regenerate.
911 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
912 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
913 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
915 2006-10-29 Richard Sandiford <richard@codesourcery.com>
917 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
918 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
920 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
922 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
923 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
926 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
929 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
930 (fold_builtin_pow): Evaluate constant arguments at compile-time
932 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
933 (do_mpfr_ckconv): New helper function.
934 (do_mpfr_arg1): Use do_mpfr_ckconv.
937 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
940 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
941 (-fdump-rtl-sched): Rename to ..
942 (-fdump-rtl-sched1): here. Also fix file extension number.
944 2006-10-28 Richard Guenther <rguenther@suse.de>
946 * fold-const.c (maybe_canonicalize_comparison): Fix code
949 2006-10-28 Uros Bizjak <uros@kss-loka.si>
951 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
952 (NON_QI_REG_P): Use IN_RANGE.
953 (REX_INT_REGNO_P): Use IN_RANGE.
954 (FP_REGNO_P): Use IN_RANGE.
955 (SSE_REGNO_P): Use IN_RANGE.
956 (REX_SSE_REGNO_P): Use IN_RANGE.
957 (MMX_REGNO_P): Use IN_RANGE.
958 (STACK_REGNO_P): New macro.
959 (STACK_REG_P): Use STACK_REGNO_P.
960 (NON_STACK_REG_P): Use STACK_REGNO_P.
961 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
962 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
963 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
964 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
965 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
967 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
969 * except.h (output_function_exception_table): Add 'const char*' param.
970 * except.c (switch_to_exception_section): Add 'const char*' param.
971 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
972 and flag_function_sections is set, use a function-specific section.
973 (output_function_exception_table): Add 'const char*' param.
974 Adjust call to switch_to_exception_section.
975 * final.c (rest_of_handle_final): Adjust calls to
976 output_function_exception_table.
977 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
978 * config.in: Regenerate.
979 * configure: Likewise.
981 2006-10-28 Richard Guenther <rguenther@suse.de>
984 * fold-const.c (maybe_canonicalize_comparison_1): Helper
985 for maybe_canonicalize_comparison.
986 (maybe_canonicalize_comparison): New function for canonicalizing
988 (fold_comparison): Call it to canonicalize comparisons with
991 2006-10-28 Richard Guenther <rguenther@suse.de>
994 * builtins.c (expand_builtin_int_roundingfn_2): Expand
995 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
996 (expand_builtin): Adjust likewise.
997 * genopinit.c (optabs[]): Add lround optab.
998 * optabs.c (init_optabs): Initialize lround_optab.
999 * optabs.h (enum convert_optab_index): Add COI_lround.
1000 (lround_optab): Define.
1001 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1002 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1004 (ix86_expand_lround): New function.
1005 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1007 * doc/md.texi (lroundMN2): Document.
1009 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1012 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1013 argument to HOST_WIDE_INT. Update function prototype.
1014 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1015 "size" argument to HOST_WIDE_INT. Update function prototype.
1017 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1019 * config/i386/i386.c (output_387_ffreep): Create output from a
1020 template string for !HAVE_AS_IX86_FFREEP.
1022 2006-10-27 Eric Christopher <echristo@apple.com>
1024 * config/darwin.c: Fix formatting and grammar.
1026 2006-10-27 Jan Hubicka <jh@suse.cz>
1028 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1029 to be thrown away soon when IGNORE is set.
1030 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1031 indicating when return value shall not be computed.
1032 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1034 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1036 * config/i386/i386.h (TARGET_GEODE):
1037 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1038 (TARGET_CPU_DEFAULT_geode): New macro.
1039 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1040 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1041 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1042 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1043 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1045 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1046 (processor_type): Add PROCESSOR_GEODE.
1048 * config/i386/i386.md: Include geode.md.
1051 * config/i386/i386.c (geode_cost): New initialized global
1053 (m_GEODE, m_K6_GEODE): New macros.
1054 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1055 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1056 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1057 x86_schedule): Use m_K6_GEODE instead of m_K6.
1058 (x86_movx, x86_cmove): Set up m_GEODE.
1059 (x86_integer_DFmode_moves): Clear m_GEODE.
1060 (processor_target_table): Add entry for geode.
1061 (processor_alias_table): Ditto.
1063 * config/i386/geode.md: New file.
1065 * doc/invoke.texi: Add entry about geode processor.
1067 2006-10-27 Mike Stump <mrs@apple.com>
1069 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1070 __DYNAMIC__ from here back to ...
1071 * config/darwin.h (CPP_SPEC): ... here.
1073 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1074 Nathan Sidwell <nathan@codesourcery.com>
1076 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1077 when choosing the minimum heapsize.
1079 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1081 * gcc/unwind-dw2.h: Move cfa-related variables into
1082 struct frame_state_reg_info to ensure that the CFA is properly
1083 handled when executing DW_CFA_{remember,restore}_state.
1084 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1085 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1086 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1087 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1088 gcc/config/rs6000/linux-unwind.h,
1089 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1090 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1091 Modify to use new cfa_* fields.
1093 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1095 * config/s390/s390.c (s390_init_frame_layout): Check positive
1098 2006-10-26 Ben Elliston <bje@au.ibm.com>
1100 * gimplify.c (get_name): Remove extraneous break.
1101 (gimplify_omp_for): Initialise ret with GS_OK.
1103 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1105 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1106 Add unix98.o to link line.
1108 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1111 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1112 Calculate compile-time constants using MPFR.
1113 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1114 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1116 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1118 * config/xtensa/lib2funcs.S: Use C-style comments.
1120 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1122 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1123 (file_table_relative_p): Likewise.
1124 (dwarf2out_finish): Likewise.
1125 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1127 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1129 * tree-ssa-structalias.c (intra_create_variable_infos):
1130 Don't recreate nonlocal_all if it already exists.
1132 2006-10-25 Richard Guenther <rguenther@suse.de>
1135 * optabs.h (enum optab_index): Remove OTI_lrint.
1136 (enum convert_optab_index): Add COI_lrint.
1137 (lrint_optab): Adjust.
1138 (expand_sfix_optab): Declare.
1139 * optabs.c (expand_sfix_optab): New function.
1140 (init_optabs): Init lrint_optab as conversion optab.
1141 * genopinit.c (lrint_optab): Change to a conversion optab.
1142 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1143 expansion via conversion optab.
1144 * config/i386/i386.md (*fistdi2_1): Remove
1145 flag_unsafe_math_optimizations guard.
1146 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1147 fist<mode>2_with_temp): Likewise.
1148 (lrint<mode>2): Split into...
1149 (lrintxf<mode>2): ... x87 part
1150 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1151 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1152 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1153 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1154 * doc/md.texi (lrintMN2): Document.
1156 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1159 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1160 Use inc and dec instructions for TARGET_USE_INCDEC.
1161 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1162 ("sync_double_compare_and_swap<mode>"): Likewise.
1163 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1164 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1165 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1166 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1167 ("sync_old_add<mode>"): Likewise.
1168 ("sync_lock_test_and_set<mode>"): Likewise.
1169 ("sync_lock_test_and_set<mode>"): Likewise.
1170 ("sync_add<mode>"): Likewise.
1171 ("sync_sub<mode>"): Likewise.
1172 ("sync_ior<mode>"): Likewise.
1173 ("sync_and<mode>"): Likewise.
1174 ("sync_xor<mode>"): Likewise.
1176 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1178 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1179 (remainder_optab): Define corresponding macro.
1180 (drem_optab): Remove.
1181 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1182 drem_optab initialization.
1183 * genopinit.c (optabs): Implement remainder_optab using
1184 remainder?f3 patterns. Remove drem_optab.
1185 * builtins.c (expand_builtin_mathfn_2): Handle
1186 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1187 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1188 expand_builtin_mathfn_2.
1190 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1191 depend on flag_unsafe_math_optimizations.
1193 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1194 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1195 Do not depend on flag_unsafe_math_optimizations. Use
1196 truncxf?f expander instead of truncxf?f_i387_noop.
1198 ("fpremxf4", "fprem1xf4"): Do not depend on
1199 flag_unsafe_math_optimizations.
1200 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1201 flag_unsafe_math_optimizations. Use truncxf?f expander
1202 instead of truncxf?f_i387_noop.
1204 * doc/md.texi (fmod, remainder): Document standard named pattern.
1206 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1207 David Daney <ddaney@avtrex.com>
1210 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1212 2006-10-25 Ben Elliston <bje@au.ibm.com>
1214 * doc/extend.texi (Variable Attributes): Typo fix.
1216 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1218 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1219 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1220 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1221 (FRAME_POINTER_REGNUM): Update register number to 21.
1222 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1223 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1225 * config/i386/i386.c (regclass_map): Add fpcr entry.
1226 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1228 (print_reg): Assert REGNO (x) != FPCR_REG.
1230 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1231 (DIRFLAG_REG): Renumber.
1232 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1233 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1234 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1235 hardcoded SSE register numbers.
1237 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1238 hardcoded MMX register numbers.
1240 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1243 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1244 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1246 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1247 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1248 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1249 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1251 2006-10-24 Richard Guenther <rguenther@suse.de>
1254 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1255 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1256 for deciding optimizations in consistency with fold-const.c
1257 (fold_builtin_unordered_cmp): Likewise.
1259 2006-10-24 Richard Guenther <rguenther@suse.de>
1261 * builtins.c (fold_builtin_floor): Fold floor (x) where
1262 x is nonnegative to trunc (x).
1263 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1264 nonnegative to FIX_TRUNC_EXPR.
1266 2006-10-24 Richard Guenther <rguenther@suse.de>
1268 PR tree-optimization/29567
1269 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1270 for TRUTH_NOT_EXPR. Clarify comments.
1272 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1276 at compile-time using MPFR. Change parameter VALUE to FUNC,
1278 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1279 for overflow and underflow at all times and avoid folding in
1282 2006-10-24 Ben Elliston <bje@au.ibm.com>
1284 * reload1.c: Formatting fixes.
1286 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1288 PR tree-optimization/14784
1289 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1290 * tree-ssa-structalias.c (get_constraint_for,
1291 intra_create_variable_infos): Set is_heapvar.
1292 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1293 non-heapvar pointer variables specially.
1295 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1298 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1299 fold_builtin_tan): Fold all constant arguments. Take a "type"
1300 argument as necessary.
1301 (do_mpfr_arg1): New.
1302 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1304 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1306 * config/xtensa/lib1funcs.asm: Use C-style comments.
1308 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1310 * tree.c (local_define_builtin): Replace calls to
1311 lang_hooks.builtin_function with add_builtin_function.
1312 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1314 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1316 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1317 common code to add_builtin_function.
1318 * langhooks.c (add_builtin_function): New function.
1319 (lhd_builtin_function): New function.
1320 * langhooks.h (struct lang_hooks): Change the signature of
1322 (add_builtin_function): New function.
1323 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1324 calls to lang_hooks.builtin_function with add_builtin_function.
1325 * c-common.c (decl_builtin_1): Replace calls to
1326 lang_hooks.builtin_function with add_builtin_function.
1327 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1328 lang_hooks.builtin_function with add_builtin_function.
1329 * config/frv/frv.c (def_builtin): Replace calls to
1330 lang_hooks.builtin_function with add_builtin_function.
1331 * config/s390/s390.c (s390_init_builtins): Replace calls to
1332 lang_hooks.builtin_function with add_builtin_function.
1333 * config/sparc/sparc.c (def_builtin): Replace calls to
1334 lang_hooks.builtin_function with add_builtin_function.
1335 * config/i386/i386.c (def_builtin): Replace calls to
1336 lang_hooks.builtin_function with add_builtin_function.
1337 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1338 lang_hooks.builtin_function with add_builtin_function.
1339 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1340 lang_hooks.builtin_function with add_builtin_function.
1341 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1342 Replace calls to lang_hooks.builtin_function with
1343 add_builtin_function.
1344 * config/iq2000/iq2000.c (def_builtin):
1345 Replace calls to lang_hooks.builtin_function with
1346 add_builtin_function.
1347 * config/ia64/ia64.c (def_builtin): Replace calls to
1348 lang_hooks.builtin_function with add_builtin_function.
1349 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1350 lang_hooks.builtin_function with add_builtin_function.
1351 (altivec_init_builtins): Replace calls to
1352 lang_hooks.builtin_function with add_builtin_function.
1353 * config/arm/arm.c (def_mbuiltin): Replace calls to
1354 lang_hooks.builtin_function with add_builtin_function.
1355 (arm_init_tls_builtins): Replace calls to
1356 lang_hooks.builtin_function with add_builtin_function.
1357 * config/mips/mips.c (mips_init_builtins): Replace calls to
1358 lang_hooks.builtin_function with add_builtin_function.
1359 * config/bfin/bfin.c (def_builtin): Replace calls to
1360 lang_hooks.builtin_function with add_builtin_function.
1361 * langhooks-def.h (lhd_builtin_function): New function.
1362 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1364 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1366 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1367 BUILT_IN_STRNCAT_CHK.
1369 2006-10-23 Jan Hubicka <jh@suse.cz>
1371 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1372 don't do conversion from memmove to memcpy here.
1373 (expand_builtin_bcopy, expand_builtin): Update call of
1374 expand_builtin_memmove.
1375 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1377 2006-10-23 Paul Brook <paul@codesourcery.com>
1379 * stor-layout.c (start_record_layout): maximum_field_alignment
1380 overrides STRUCTURE_SIZE_BOUNDARY.
1382 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1384 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1385 nonlocal function symbols if flag_pic.
1387 2006-10-23 Richard Guenther <rguenther@suse.de>
1391 * builtins.c (fold_binary): Remove checks for flag_wrapv
1392 and flag_trapv where negate_expr_p covers these cases.
1394 2006-10-23 Richard Guenther <rguenther@suse.de>
1397 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1398 of two on the absolute value.
1399 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1400 and negating -C does not overflow.
1402 2006-10-23 Richard Guenther <rguenther@suse.de>
1405 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1406 only if not flag_rounding_math.
1408 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1409 Kaz Kojima <kkojima@gcc.gnu.org>
1412 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1413 SImode memory reference for the source of a movua.
1414 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1415 (movua): Use an unspec instead of sign_extract. Expect the source
1416 to have mode BLKmode.
1417 (extv, insv): Use a BLKmode rather than SImode memory reference
1418 for the source of a movua.
1420 2006-10-22 Jeff Law <law@redhat.com>
1421 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/15911
1424 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1425 (register_edge_assert_for_1): Likewise.
1426 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1427 (find_conditional_asserts): Adjust for new function signature.
1428 (find_assert_locations): Likewise.
1430 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1432 * config/i386/tmmintrin.h: Remove the duplicated content.
1434 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1436 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1437 (x86_64-*-*): Likewise.
1439 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1440 (override_options): Check SSSE3.
1441 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1442 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1443 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1444 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1445 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1446 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1447 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1448 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1449 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1450 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1451 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1452 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1453 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1454 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1455 IX86_BUILTIN_PABSD128.
1456 (bdesc_2arg): Add SSSE3.
1457 (bdesc_1arg): Likewise.
1458 (ix86_init_mmx_sse_builtins): Support SSSE3.
1459 (ix86_expand_builtin): Likewise.
1460 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1462 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1463 (UNSPEC_PSIGN): Likewise.
1464 (UNSPEC_PALIGNR): Likewise.
1465 Include mmx.md before sse.md.
1467 * config/i386/i386.opt: Add -mssse3.
1469 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1470 (ssse3_phaddwv4hi3): Likewise.
1471 (ssse3_phadddv4si3): Likewise.
1472 (ssse3_phadddv2si3): Likewise.
1473 (ssse3_phaddswv8hi3): Likewise.
1474 (ssse3_phaddswv4hi3): Likewise.
1475 (ssse3_phsubwv8hi3): Likewise.
1476 (ssse3_phsubwv4hi3): Likewise.
1477 (ssse3_phsubdv4si3): Likewise.
1478 (ssse3_phsubdv2si3): Likewise.
1479 (ssse3_phsubswv8hi3): Likewise.
1480 (ssse3_phsubswv4hi3): Likewise.
1481 (ssse3_pmaddubswv8hi3): Likewise.
1482 (ssse3_pmaddubswv4hi3): Likewise.
1483 (ssse3_pmulhrswv8hi3): Likewise.
1484 (ssse3_pmulhrswv4hi3): Likewise.
1485 (ssse3_pshufbv16qi3): Likewise.
1486 (ssse3_pshufbv8qi3): Likewise.
1487 (ssse3_psign<mode>3): Likewise.
1488 (ssse3_psign<mode>3): Likewise.
1489 (ssse3_palignrti): Likewise.
1490 (ssse3_palignrdi): Likewise.
1491 (abs<mode>2): Likewise.
1492 (abs<mode>2): Likewise.
1494 * config/i386/tmmintrin.h: New file.
1496 * doc/extend.texi: Document SSSE3 built-in functions.
1498 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1500 2006-10-22 Ira Rosen <irar@il.ibm.com>
1502 * tree-vect-transform.c (vectorizable_load): Use the type of the
1503 return value of the mask_for_load builtin to create realign_load
1506 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1508 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1511 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1513 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1514 (UNSPEC_LDDQU): This.
1515 * config/i386/sse.md (sse3_lddqu): Updated.
1517 2006-10-21 Richard Guenther <rguenther@suse.de>
1519 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1520 (expand_builtin): Use it to expand lrint instead of
1521 expand_builtin_mathfn.
1523 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1526 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1527 flag_unsafe_math_optimizations is set.
1529 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1532 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1533 patterns to use memory input operand in x87->mem->XMM
1534 reload sequences. Skip transformation for TARGET_K8.
1536 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1538 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1539 force operand1 to register if both operands are memory operands.
1540 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1541 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1542 if both operands are memory operands.
1543 (truncdfsf2): Do not force operand1 to register if both operands
1544 are memory operands.
1546 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * Makefile.in (LIBS): Add $(GMPLIBS).
1549 * doc/install.texi: Update GMP and MPFR requirements.
1550 * doc/sourcebuild.texi (need_gmp): Delete.
1552 2006-10-21 Richard Guenther <rguenther@suse.de>
1554 PR tree-optimization/3511
1555 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1556 got new invariant arguments during PHI translation.
1558 2006-10-21 Richard Guenther <rguenther@suse.de>
1561 * fold-const.c (fold_comparison): Fold signed comparisons
1562 of the form X +- C1 CMP Y +- C2.
1564 2006-10-21 Richard Guenther <rguenther@suse.de>
1567 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1568 if flag_unsafe_math_optimizations is specified. We have
1569 flag_finite_math_only for that.
1570 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1571 or flag_unsafe_math_optimizations.
1573 2006-10-21 Richard Guenther <rguenther@suse.de>
1575 * builtins.c (fold_builtin_classify): Fix typo.
1577 2006-10-21 Richard Guenther <rguenther@suse.de>
1580 * simplify-rtx.c (simplify_const_relational_operation):
1581 Do not constant-fold ORDERED and UNORDERED for
1582 flag_unsafe_math_optimizations but only we do not need to
1583 honor NaNs for the given mode.
1585 2006-10-21 Richard Guenther <rguenther@suse.de>
1588 * config/i386/i386.c (classify_argument): Remove redundant
1589 walking of the BINFOs.
1590 (contains_128bit_aligned_vector_p): Likewise.
1592 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1594 * BASE-VER: Set to 4.3.0.
1596 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1598 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1599 (tree_decl_with_vis): Remove artificial_pta_var flag.
1600 * tree-flow.h (referenced_var_check_and_insert): Expose.
1601 (nonlocal_all): New prototype.
1602 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1603 (nonlocal_all): Make global.
1604 (nonlocal_lookup): Remove.
1605 (nonlocal_insert): Ditto.
1606 (create_nonlocal_var): Do not call nonlocal_insert.
1607 (get_nonlocal_id_for_type): Remove.
1608 (find_global_initializers): Mark new vars we find for renaming.
1609 (intra_create_variable_infos): Only create one nonlocal.
1610 (expand_nonlocal_solutions): Remove.
1611 (compute_points_to_sets): Don't call it.
1612 (ipa_pta_execute): Ditto.
1613 (init_alias_heapvars): Don't create nonlocal_for_type.
1614 (delete_alias_heapvars): Don't remove it.
1615 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1618 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1620 * doc/install.texi (Downloading GCC): Clarify mention of
1621 Fortran in the "full distribution" description.
1623 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1625 Fix PR tree-optimization/28778
1626 Fix PR tree-optimization/29156
1627 Fix PR tree-optimization/29415
1628 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1629 (tree_decl_with_vis): Add artificial_pta_var flag.
1630 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1631 pushed into callers.
1632 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1633 (nonlocal_all): Ditto.
1634 (struct variable_info): Add directly_dereferenced member.
1635 (var_escaped_vars): New variable.
1636 (escaped_vars_tree): Ditto.
1637 (escaped_vars_id): Ditto.
1638 (nonlocal_vars_id): Ditto.
1639 (new_var_info): Set directly_dereferenced.
1640 (graph_size): New variable
1641 (build_constraint_graph): Use graph_size.
1642 (solve_graph): Don't process constraints that cannot change the
1643 solution, don't try to propagate an empty solution to our
1645 (process_constraint): Set directly_dereferenced.
1646 (could_have_pointers): New function.
1647 (get_constraint_for_component_ref): Don't process STRING_CST.
1648 (nonlocal_lookup): New function.
1649 (nonlocal_insert): Ditto.
1650 (create_nonlocal_var): Ditto.
1651 (get_nonlocal_id_for_type): Ditto.
1652 (get_constraint_for): Allow results vector to be empty in the case
1653 of string constants.
1654 Handle results of calls properly.
1655 (update_alias_info): Update alias info stats on number and type of
1657 (find_func_aliases): Use could_have_pointers.
1658 (make_constraint_from_escaped): Renamed from
1659 make_constraint_to_anything, and changed to make constraints from
1661 (make_constraint_to_escaped): New function.
1662 (find_global_initializers): Ditto.
1663 (create_variable_info_for): Make constraint from escaped to any
1664 global variable, and from any global variable to the set of
1666 (intra_create_variable_infos): Deal with escaped instead of
1667 pointing to anything.
1668 (set_uids_in_ptset): Do type pruning on directly dereferenced
1670 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1671 (init_base_vars): Fix comment, and initialize escaped_vars.
1672 (need_to_solve): Removed.
1673 (find_escape_constraints): New function.
1674 (expand_nonlocal_solutions): Ditto.
1675 (compute_points_to_sets): Call find_escape_constraints and
1676 expand_nonlocal_solutions.
1677 (delete_points_to_sets): Don't fall off the end of the graph.
1678 (init_alias_heapvars): Initialize nonlocal_for_type and
1680 (delete_alias_heapvars): Free nonlocal_for_type and null out
1683 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1685 * fold-const.c (add_double): Rename to add_double_with_sign.
1686 Add 'unsigned_p' parameter and take it into account for the overflow.
1687 (mul_double): Rename to mul_double_with_sign.
1688 Add 'unsigned_p' parameter and take it into account for the overflow.
1689 (fold_div_compare): Call add_double_with_sign instead of add_double
1690 and mul_double_with_sign instead of mul_double, passing them the
1691 unsignedness of the type.
1692 * tree.h (add_double): Macroize.
1693 (add_double_with_sign): New prototype.
1694 (mul_double): Macroize.
1695 (mul_double_with_sign): New prototype.
1697 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1699 * config/score/crti.asm: New file.
1700 * config/score/crtn.asm: New file.
1701 * config/score/elf.h: New file.
1702 * config/score/mac.md: New file.
1703 * config/score/misc.md: New file.
1704 * config/score/mul-div.S: New file.
1705 * config/score/predicates.md: New file.
1706 * config/score/score7.md: New file.
1707 * config/score/score.c: New file.
1708 * config/score/score-conv.h: New file.
1709 * config/score/score.h: New file.
1710 * config/score/score.md: New file.
1711 * config/score/score-mdaux.c: New file.
1712 * config/score/score-mdaux.h: New file.
1713 * config/score/score-modes.def: New file.
1714 * config/score/score.opt: New file.
1715 * config/score/score-protos.h: New file.
1716 * config/score/score-version.h: New file.
1717 * config/score/t-score-elf: New file.
1718 * config.gcc: Add score*-*-* configurations(Update before).
1719 * doc/invoke.texi (Score Options): New section.
1720 * doc/md.texi (Score family): New section to document constraints.
1722 2006-10-19 Nick Clifton <nickc@redhat.com>
1724 * config/arm/arm.c: Fix spelling typo.
1726 2006-10-18 Tom Tromey <tromey@redhat.com>
1728 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1730 2006-10-18 Jan Hubicka <jh@suse.cz>
1733 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1736 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1738 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1739 TSI_SAME_STMT, since that's the desired entity.
1741 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1743 * config/s390/contraints.md: New file.
1744 * config/s390/s390-protos.h (s390_mem_constraint,
1745 s390_O_constraint_str, s390_N_constraint_str,
1746 s390_float_const_zero_p): Function prototypes added.
1747 * config/s390/s390.c (s390_extra_constraint_str,
1748 s390_const_double_ok_for_constraint_p,
1749 s390_const_ok_for_constraint_p): Functions removed.
1750 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1751 s390_float_const_zero_p): New functions.
1752 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1753 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1754 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1755 Macro definitions removed.
1756 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1757 s390_extra_constraint_str): Functions removed.
1759 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1760 Richard Sandiford <richard@codesourcery.com>
1763 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1764 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1766 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1768 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1769 (DWARF2_FRAME_REG_OUT): Likewise.
1770 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1771 (DWARF2_FRAME_REG_OUT): Likewise.
1773 2006-10-17 Paul Brook <paul@codesourcery.com>
1775 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1777 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1779 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1780 Standardize on "GNU Fortran" as the official name of the Fortran
1783 2006-10-16 Mike Stump <mrs@apple.com>
1785 * doc/invoke.texi (Darwin Options): Document -mkernel.
1786 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1788 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1789 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1790 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1791 (OS_MISSING_ALTIVEC): Add.
1792 * config/i386/i386.c (override_options): Add
1793 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1794 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1795 -mkernel, -static or -mdynamic-no-pic is given.
1796 (C_COMMON_OVERRIDE_OPTIONS): Add.
1797 * config/darwin.opt (fapple-kext): Add.
1799 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1800 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1802 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1803 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1804 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1805 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1806 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1807 (flag_mkernel): Add.
1808 (flag_apple_kext): Add.
1809 (TARGET_KEXTABI): Add.
1810 * config/darwin.c (darwin_handle_kext_attribute): Add.
1811 (DARWIN_VTABLE_P): Add.
1812 (darwin_binds_local_p): Add partial support for rebinding vtables
1814 (darwin_kextabi_p): Add.
1815 (darwin_override_options): Add.
1816 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1817 (darwin_kextabi_p): Add.
1818 (darwin_override_options): Add.
1819 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1820 __DYNAMIC__ and __STATIC__ here.
1822 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1824 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1825 Added mention of "make pdf" target, and Texinfo requirements for
1828 2006-10-16 DJ Delorie <dj@redhat.com>
1830 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1831 into the GOT in case we need a subreg of the address.
1833 2006-10-16 Richard Guenther <rguenther@suse.de>
1836 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1837 SSE builtin documentation. Document SSE2 builtins.
1839 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1841 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1842 symbol in the output file for non-shared links when -nostdlib or
1843 -nodefaultlibs isn't specified.
1845 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1846 posix thread support.
1848 2006-10-15 Jan Hubicka <jh@suse.cz>
1851 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1852 declared always_inline even when not inlining.
1854 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1855 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1856 Andrew Pinski <pinskia@gmail.com>
1859 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1861 2006-10-15 Jan Hubicka <jh@suse.cz>
1862 Richard Guenther <rguenther@suse.de>
1865 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1866 process_function_and_variable_attributes on all variables, including
1867 those discovered during cgraph construction phase.
1869 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1871 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1873 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1875 * config/i386/athlon.md (athlon_fist): Add fisttp.
1877 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1878 Ian Lance Taylor <ian@airs.com>
1881 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1882 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1885 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1887 * config/score/score.c, config/score/score.h: Fix comment
1890 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1893 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1896 2006-10-13 Eric Christopher <echristo@apple.com>
1898 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1900 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1903 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1904 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1905 alignment supported by 32-bit ELF.
1907 2006-10-13 Eric Christopher <echristo@apple.com>
1909 * config/darwin.c (darwin_emit_unwind_label): Strip
1910 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1912 2006-10-13 Richard Guenther <rguenther@suse.de>
1914 PR tree-optimization/29446
1915 * tree-vrp.c (fix_equivalence_set): Remove.
1916 (extract_range_from_assert): Do not call fix_equivalence_set.
1917 (debug_value_range): Print a newline.
1918 (compare_name_with_value): For equivalence sets with
1919 inconsistent value ranges conservatively bail out.
1920 (compare_names): Likewise.
1922 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1924 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1925 and MPFR for gfortran.
1927 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1929 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1930 alignment supported by 32-bit ELF.
1932 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1936 * c-typeck.c (digest_init): Always allow initializing vectors
1937 that have static storage duration with compound literals.
1938 * tree.c (build_type_attribute_qual_variant): New, based on
1939 build_type_attribute_variant.
1940 (build_type_attribute_variant): Rewrite using the former.
1941 (make_vector_type): Use build_type_attribute_qual_variant to build
1942 type variants. Use type_hash_canon on the others.
1944 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1945 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1947 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1949 2006-10-12 Jan Hubicka <jh@suse.cz>
1952 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1953 current_function_decl is set but current_function_scope is not.
1955 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1957 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1958 emit_insn to emit eh_return_internal instruction.
1959 (eh_return_internal): Explicitly set pc.
1961 2006-10-11 Richard Guenther <rguenther@suse.de>
1963 PR tree-optimization/28230
1964 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1965 to the correct place.
1967 2006-10-11 Richard Guenther <rguenther@suse.de>
1970 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1973 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1975 * configure.ac: Added pdf to "Make-hooks"
1976 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1977 targets and *.pdf file patterns in cleanup targets.
1978 * configure: Regenerated.
1980 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1982 * config/avr/predicates.md: New file.
1983 * config/avr/avr.md: Include it.
1984 (REG_SP): New constant.
1985 (peepholes): Use predicates.
1986 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1987 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1988 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1990 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1992 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1995 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1998 * builtins.c (var_decl_component_p): New function.
1999 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2000 single entry optimization to variables and components thereof.
2002 2006-10-10 Richard Guenther <rguenther@suse.de>
2004 PR rtl-optimization/29323
2005 * except.c (set_nothrow_function_flags): For functions
2006 that do not bind local bail out early.
2008 2006-10-10 Ben Elliston <bje@au.ibm.com>
2010 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2013 2006-10-09 Richard Henderson <rth@redhat.com>
2015 Revert emutls patch.
2017 2006-10-09 Richard Guenther <rguenther@suse.de>
2020 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2023 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2026 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2027 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2028 * configure: Regenerate.
2029 * config.in: Regenerate.
2031 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2033 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2035 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2037 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2038 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2039 Remove stray newline.
2041 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2043 * config/mips/mips.c (mips_classify_symbol): Do not return
2044 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2045 (mips_in_small_data_p): Tweak comments.
2047 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2049 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2051 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2053 * gimplify.c, sched-int.h: Fix comment typos.
2055 * sched-int.h: Fix comment typos.
2057 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2059 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2061 * sched-ebb.c (begin_schedule_ready): Use them.
2062 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2063 add_to_speculative_block, create_check_block_twin, speculate_insn,
2064 fix_jump_move, move_block_after_check): Ditto.
2065 * sched-rgn.c (new_ready): Ditto.
2067 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2069 PR rtl-optimization/29128
2070 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2071 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2072 allow interblock movement of speculation checks.
2074 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2077 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2078 casted to integer type.
2079 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2080 if they are significantly more expensive than [reg + index] ones.
2082 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2084 PR tree-optimization/29330
2085 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2086 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2087 on newly allocated ddrs.
2088 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2089 to VEC (loop_p, heap) pointer.
2090 (compute_data_dependences_for_loop): Adjust caller.
2091 (free_dependence_relations): Free DDR_LOOP_NEST.
2093 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2094 free DEPENDENCE_RELATIONS and DATAREFS.
2097 * builtins.c (expand_builtin_sync_operation,
2098 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2099 Use convert_to_mode to handle promoted arguments.
2101 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2103 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2105 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2107 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2109 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2111 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2112 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2113 Use <modeconstraint> instead of "r" as operand 1 constraint.
2115 2006-10-06 Olivier Hainque <hainque@adacore.com>
2117 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2118 Don't recurse on the pointed-to type.
2119 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2120 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2121 types with components of variable size.
2123 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2125 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2127 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2129 PR tree-optimization/29290
2130 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2134 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2135 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2138 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2139 the number of vector elements fill the rest with zeros.
2141 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2143 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2144 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2147 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2149 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2150 unnamed pattern into subsi3. Use correct constraints/predicates.
2151 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2152 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2154 2006-10-05 Ira Rosen <irar@il.ibm.com>
2156 * doc/loop.texi: Add data references analysis description.
2158 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2160 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2162 2006-10-04 Richard Henderson <rth@redhat.com>
2163 Jakub Jelinek <jakub@redhat.com>
2165 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2166 * builtin-types.def (BT_WORD): Make unsigned.
2167 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2168 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2169 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2170 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2171 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2172 * cgraph.c (decide_is_variable_needed): Look at force_output.
2173 Recurse for emulated tls.
2174 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2175 checks redundant with decide_is_variable_needed.
2176 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2177 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2179 * expr.c (emutls_var_address): New.
2180 (expand_expr_real_1): Expand emulated tls.
2181 (expand_expr_addr_expr_1): Likewise.
2182 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2183 * output.h (emutls_finish): Declare.
2184 * toplev.c (compile_file): Call it.
2185 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2186 address before wrapping in CONST.
2187 * varasm.c (emutls_htab, emutls_object_type): New.
2188 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2189 (get_emutls_object_name, get_emutls_object_type): New.
2190 (get_emutls_init_templ_addr, emutls_decl): New.
2191 (emutls_common_1, emutls_finish): New.
2192 (assemble_variable): When emulating tls, swap decls; generate
2193 constructor for the emutls objects.
2194 (do_assemble_alias): When emulating tls, swap decl and target name.
2195 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2197 * emutls.c: New file.
2198 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2199 tls_object for real tls.
2201 2006-10-04 Zack Weinberg <zackw@panix.com>
2203 Fix bug in constraint-check generator, reported by Rask Ingemann
2205 * genpreds.c (add_constraint): Don't remove anything from the
2207 (write_tm_constrs_h): Detect whether "op" argument is used, and
2208 mark it ARG_UNUSED if it isn't.
2209 (write_insn_const_int_ok_for_constraint): Skip the part of the
2210 expression that would test whether "op" (which is not available
2211 here) is a CONST_INT.
2213 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2216 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2218 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2220 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2221 current Leopard versions.
2222 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2224 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2226 * doc/install.texi: Fix typos.
2228 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2230 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2231 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2232 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2234 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2236 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2237 arg to be struct mach_header_64* instead.
2239 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2242 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2243 side effects after the outer expression's post side effects.
2245 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2247 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2248 comments to reflect actual behavior and relationship between
2249 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2251 * doc/c-tree.texi (Working with declarations): Fix documentation
2252 of FIELD_DECL likewise.
2254 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2257 * doc/extend.texi: Add used variable attribute description.
2259 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2262 * c.opt (Woverride-init): New.
2263 * c-opts.c (c_common_post_options): Default warn_override_init to
2265 * c-typeck.c (add_pending_init, output_init_element): Warn for
2266 overriding initializers without side effects.
2267 * doc/invoke.texi (-Woverride-init): Document.
2270 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2272 PR rtl-optimization/28096
2273 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2274 assignment has already been used as a destination earlier in the block.
2276 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2278 * builtins.c (expand_builtin_setjmp): Delete.
2279 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2280 <BUILT_IN_SETJMP_SETUP>: New case.
2281 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2282 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2283 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2284 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2285 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2286 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2287 (lower_function_body): Initialize it to false. If it is set to true
2288 at the end of the processing, emit the setjmp dispatcher.
2289 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2290 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2291 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2292 on the rhs of the assignment.
2293 (lower_builtin_setjmp): New function.
2294 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2295 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2296 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2297 to detect calls that can go to non-local labels. Use specific
2298 helper to create the abnormal edges associated with them.
2299 <MODIFY_EXPR>: Likewise.
2300 (make_abnormal_goto_edges): New function extracted from...
2301 (make_goto_expr_edges): ...here. Call it for computed gotos.
2302 (simple_goto_p): Minor tweak.
2303 (tree_can_make_abnormal_goto): New predicate.
2304 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2305 (tree_purge_dead_abnormal_call_edges): New function.
2306 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2307 (tree_purge_dead_abnormal_call_edges): Likewise.
2308 (make_abnormal_goto_edges): Likewise.
2309 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2310 Purge all dead abnormal edges if the call was in the last statement.
2311 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2312 (execute_fixup_cfg): If there are non-local labels in the function,
2313 scan the basic blocks and split them at calls that can go to non-local
2314 labels or add missing abnormal call edges. Write down the CFG in the
2316 (pass_fixup_cfg): Remove TODO_dump_func flag.
2317 * unwind-sjlj.c: Poison setjmp.
2318 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2319 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2320 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2321 (DONT_USE_BUILTIN_SETJMP): Document it.
2323 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2326 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2327 to 1 when __ppc64__ is defined.
2328 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2330 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2332 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2334 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2335 * config/ia64/unwind-hpux.c: Delete.
2337 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2339 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2340 on the element before gimplifying it, instead of punting if it is of
2343 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2345 * doc/loop.texi: New file.
2346 * doc/gccint.texi: Reference loop.texi.
2347 * Makefile.in (loop.texi): Add.
2349 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2351 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2353 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2354 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2356 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2358 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2360 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2362 * doc/install.texi: Document required versions of GMP and MPFR.
2364 2006-09-27 Paul Brook <paul@codesourcery.com>
2367 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2369 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2371 * reload1.c (alter_reg): Require the alignment of the stack slot to
2372 be at least reg_max_ref_width bytes.
2373 (scan_paradoxical_subregs): Record the largest width in
2376 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2380 * tree-nested.c (struct nesting_info): Added static_chain_added.
2381 (convert_call_expr): Set static_chain_added when adding static
2382 chain. Handle OMP_PARALLEL and OMP_SECTION.
2384 2006-09-25 Matthias Klose <doko@debian.org>
2386 * doc/invoke.texi: Add missing full stop.
2388 2006-09-25 Richard Henderson <rth@redhat.com>
2390 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2391 before cgraph_function_flags_ready.
2393 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2394 Adam Nemet <anemet@caviumnetworks.com>
2396 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2397 determine_common_wider_type): New functions.
2398 (get_computation_aff): Use them to simplify arithmetic between
2399 UBASE and CBASE if they are shortened from the same type.
2401 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2404 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2405 -2147483647 - 1 instead of 0x80000000.
2407 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2409 * flags.h (HONOR_NANS): Fix typo in comment.
2411 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2413 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2415 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2419 * tree.c (merge_attributes, attribute_list_contained): If both
2420 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2422 * c-typeck.c (comptypes_internal): Don't consider aggregates
2423 in different TUs as compatible if there one set of attributes is
2424 not a subset of the other type's attributes.
2425 (composite_type): Try harder not to create a new aggregate type.
2427 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2429 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2430 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2431 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2432 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2433 than replicating condition above.
2434 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2436 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2437 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2438 the linker by default.
2440 2006-09-22 Mike Stump <mrs@apple.com>
2442 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2445 2006-09-22 Richard Guenther <rguenther@suse.de>
2448 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2449 sort of stack variables stable.
2451 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2454 * explow.c (force_reg): Set REG_POINTER flag according to
2457 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2459 PR tree-optimization/28888
2460 * tree-if-conv.c (combine_blocks): Rewritten.
2461 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2462 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2464 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2466 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2469 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2471 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2473 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2475 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2477 2006-09-21 Roger Sayle <roger@eyesopen.com>
2480 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2481 dw_fde_current_label, to be the start of the function, i.e. the same
2482 value as dw_fde_begin.
2484 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2486 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2487 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2488 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2489 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2490 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2491 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2492 (abs<mode>2, neg<mode>2): Likewise.
2493 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2494 (*mips_abs_ps): New define_insn.
2496 2006-09-20 Josh Conner <jconner@apple.com>
2499 * calls.c (expand_call): Allow reuse of structure return stack
2502 2006-09-20 Paul Brook <paul@codesourcery.com>
2504 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2507 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2509 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2510 clean up terminology.
2512 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2515 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2516 with tablejumps in them.
2518 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2521 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2522 wrap it into TARGET_EXPR.
2524 2006-09-20 Eric Christopher <echristo@apple.com>
2526 * config/i386/i386.c (x86_fisttp): Remove.
2527 * config/i386/i386.h (x86_fisttp): Ditto.
2528 (TARGET_FISTTP): Ditto.
2530 2006-09-19 Eric Christopher <echristo@apple.com>
2532 * doc/tm.texi (OBJC_JBLEN): Describe.
2533 * config/i386/darwin.h (OBJC_JBLEN): Define.
2534 * config/rs6000/darwin.h: Ditto.
2536 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2538 PR rtl-optimization/21299
2539 * reload1.c (reload): Purge invalid ASMs in the final pass.
2541 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2544 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2545 pointers as legitimate constants.
2547 2006-09-19 Paul Brook <paul@codesourcery.com>
2550 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2552 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2554 PR tree-optimization/28887
2555 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2556 component parts from the reference.
2557 (gather_memory_references_ref): Record the reference without the
2558 nonaddressable component parts.
2560 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2563 * c-opts.c (c_common_handle_option): Ignore the -std options
2564 if the input language is assembly.
2566 2006-09-17 Ira Rosen <irar@il.ibm.com>
2569 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2571 (ptr_ptr_may_alias_p): Likewise.
2572 (record_record_differ_p): New function.
2573 (base_object_differ_p): Call record_record_differ_p.
2575 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2578 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2579 away for the expr argument.
2581 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2584 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2585 before using it for dumping after vectorizing loops.
2587 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2588 Jack Howarth <howarth@bromo.med.uc.edu>
2591 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2592 skip on error_mark_node.
2593 (rs6000_darwin64_record_arg_recurse): Likewise.
2595 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2597 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2598 * doc/rtl.texi: Remove related documentation.
2600 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2602 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2605 2006-09-15 Jim Wilson <wilson@specifix.com>
2607 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2608 Handle symbol offsets same as they are handled in ia64_expand_move
2611 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2613 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2614 Add forgotten parameter to the fprintf call.
2616 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2618 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2620 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2622 * doc/contrib.texi: Add my entry.
2624 2006-09-15 Nick Clifton <nickc@redhat.com>
2626 * doc/md.texi (Processor pipeline description): Fix typo in
2627 example of how to use the absence_set directive and reword the
2628 description to make it slightly easier to read.
2630 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2632 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2633 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2634 expanding the number of iterations.
2635 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2637 * cfgrtl.c (emit_insn_at_entry): New function.
2638 * rtl.h (emit_insn_at_entry): Declare it.
2639 * integrate.c (emit_initial_value_sets): Use it.
2641 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2643 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2645 (struct loop_work and related VEC declarations): Delete.
2646 (bfin_dump_loops): Print out new member bad.
2647 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2648 (bfin_scan_loop): Don't recurse.
2649 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2650 loops. No longer need to update outer loops if the current one is
2651 found bad. Move some validitiy checks to bfin_discover_loop.
2652 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2653 but changed not to check for nesting. Also changed to use the new bad
2655 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2656 time. Use bitmap based test to discover loop nesting.
2658 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2660 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2663 2006-09-14 Richard Guenther <rguenther@suse.de>
2664 Kazu Hirata <kazu@codesourcery.com>
2666 PR middle-end/28884.
2667 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2668 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2669 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2670 with TARGET_FUNCTION_VALUE.
2672 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2675 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2677 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2679 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2682 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2685 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2688 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2690 * basic_block.h (bb_has_eh_pred): Fix comment.
2692 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2694 * flow.c (calculate_global_regs_live): Invalidate eh registers
2695 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2696 (propagate_block): Handle eh registers as if they were set at basic
2698 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2700 * global.c (global_conflicts): Make eh registers to conflict with
2701 pseudos live at basic block begin.
2702 * basic_block.h (bb_has_eh_pred): New function.
2704 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2706 PR rtl-optimization/28982
2707 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2708 index of a PRE_MODIFY or POST_MODIFY address.
2709 * reload1.c (inc_for_reload): Use find_replacement on the original
2710 base and index registers.
2712 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2714 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2715 for -Os. Update __m128 alignment requirement.
2717 2006-09-13 Jan Hubicka <jh@suse.cz>
2719 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2721 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2723 PR rtl-optimization/28243
2724 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2725 the insn to which the note was originally attached.
2727 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2728 Roger Sayle <roger@eyesopen.com>
2730 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2731 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2732 on platforms that don't use dwarf for debug info.
2734 2006-09-12 Jason Merrill <jason@redhat.com>
2737 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2738 hard_frame_pointer_rtx after using it to update the frame pointer.
2740 2006-09-12 Roger Sayle <roger@eyesopen.com>
2742 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2743 (TARGET_ASM_CLOSE_PAREN): Likewise.
2744 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2745 (TARGET_ASM_CLOSE_PAREN): Likewise.
2747 2006-09-12 Roger Sayle <roger@eyesopen.com>
2750 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2751 frame information for frames larger than 512 Kbytes on Tru64 when
2752 using the native assembler.
2754 2006-09-12 Roger Sayle <roger@eyesopen.com>
2758 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2759 and symbols. Instead use the implementation from cse.c's hash_rtx.
2761 2006-09-12 Jan Hubicka <jh@suse.cz>
2763 PR rtl-optimization/28071
2764 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2765 (vect_transform_loop): Likewise.
2766 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2767 (new_loop_vec_info): Likewise.
2768 (destroy_loop_vec_info): Likewise.
2769 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2770 (create_stmt_ann): Likewise.
2771 (create_tree_ann): Rename to ...
2772 (create_tree_common_ann): ... this one; allocate only the common part
2774 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2775 (get_value_handle): Likewise.
2776 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2777 get_tree_common_ann.
2778 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2779 (vinfo_for_stmt): Use stmt annotations.
2780 * tree-flow.h (tree_ann_common_t): New type.
2781 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2782 (tree_ann, get_tree_ann, create_tree_ann): New.
2783 * tree-flow-inline.h (get_function_ann): Do more type checking.
2784 (stmt_ann): Likewise.
2785 (tree_ann): Rename to ...
2786 (tree_common_ann): ... this one; return ony common_ann
2787 (get_tree_ann): Rename to ...
2788 (tree_common_ann): This one; return only common_ann.
2789 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2792 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2794 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2795 with_cpu by default.
2797 * dwarf2out.c (dwarf_file_data): New.
2798 (enum dw_val_class): Add dw_val_class_file.
2799 (struct dw_val_struct): Add val_file.
2800 (file_table): Change to a hash table.
2801 (file_table_emitted): Delete.
2802 (file_table_last_lookup_index): Delete.
2803 (emitcount): Delete.
2804 (last_emitted_file): New.
2805 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2806 (init_file_table): Delete.
2807 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2808 (AT_addr): Add comment.
2812 (print_die): Handle dw_val_class_file.
2813 (print_dwarf_line_table): Update for new file table structure.
2814 (attr_checksum): Do checksum a filename.
2815 (same_dw_val_p, same_attr_p): Do compare a filename.
2816 (size_of_die): Handle dw_val_class_file.
2817 (value_format): Likewise.
2818 (output_die): Likewise. Also, call maybe_emit_file here.
2819 (struct file_info): Constify filenames. Make file_idx a pointer
2820 to a struct dwarf_file_data.
2821 (struct dir_info): Constify directory names. Remove 'used' field.
2822 (struct file_name_acquire_data): New.
2823 (file_name_acquire): New.
2824 (output_file_names): Modify to handle new file data structures.
2825 (add_src_coords_attributes): Use add_AT_file.
2826 (add_call_src_coords_attributes): Likewise.
2827 (dwarf2out_imported_module_or_decl): Likewise.
2828 (gen_subprogram_die): Modify for new file data structures.
2829 (gen_variable_die): Likewise.
2830 (file_table_eq): New.
2831 (file_table_hash): New.
2832 (file_table_last_lookup): New.
2833 (lookup_filename): Rewrite to handle new file data structures.
2834 (maybe_emit_file): Rewrite to handle new file data structures.
2835 (dwarf2out_source_line): Always call lookup_filename and
2837 (dwarf2out_init): Create file_table here.
2838 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2839 (file_table_relative_p): New.
2840 (dwarf2out_finish): Change detection of relative filenames
2841 to work with new file data structures. Move output_line_info call
2842 after debug_info output.
2844 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2849 * config/i386/i386.c (override_options): Always default to 16
2850 byte stack boundary.
2852 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2855 * var-tracking.c (dump_dataflow_set): Start dumping at
2857 (clobber_variable_part): Kill only the variable part in
2858 registers holding it, leaving other variables alone.
2860 2006-09-11 Josh Triplett <josh@freedesktop.org>
2862 * doc/extend.texi (Other Builtins): Actually use the macro
2863 argument in the documentation example for
2864 __builtin_types_compatible_p.
2866 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2868 PR rtl-optimization/28726
2869 * sched-deps.c (sched_analyze_reg): New function extracted from...
2870 (sched_analyze_1): ...here. Call it to analyze references to
2871 registers. Treat again writes to a stack register as writing to the
2873 (sched_analyze_2): ...and here. Call it to analyze references to
2874 registers. Treat again reads of a stack register as reading the
2877 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2878 David Edelsohn <edelsohn@gnu.org>
2881 * config/rs6000/spe.md (frob_df_di): Remove %H.
2882 (frob_di_df): Remove %H. Change evmergelo to mr.
2883 (frob_di_df_2): Remove %H. Change evldd to two loads.
2885 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2887 * doc/cpp.texi: Fix names of charset options.
2889 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2892 * config/i386/i386.c (override_options): Use 128-bit
2893 stack boundary always for 64bits.
2895 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2897 PR rtl-optimization/28636
2898 * combine.c (force_to_mode): Test for side-effects before
2899 substituting by zero.
2900 (simplify_shift_const): Likewise for zero or other constants.
2902 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2905 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2908 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2911 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2912 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2913 returned by mode_for_size, rather than the mode of src itself,
2914 to choose between 32-bit and 64-bit patterns.
2915 (mips_mem_fits_mode_p): New function.
2916 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2917 that the size of the source matches the size of the destination.
2918 (mov_<store>l, mov_<store>r): Likewise.
2920 2006-09-10 Eric Christopher <echristo@apple.com>
2922 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2925 2006-09-09 Eric Christopher <echristo@apple.com>
2928 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2931 2006-09-09 Roger Sayle <roger@eyesopen.com>
2932 Nicolas Setton <setton@adacore.com>
2934 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2936 2006-09-10 Andreas Schwab <schwab@suse.de>
2938 * config/m68k/m68k.md (bungt_rev): New pattern.
2940 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2941 Dale Johannesen <dalej@apple.com>
2944 * regclass.c (struct reg_pref): Update documentation.
2945 (regclass): Set prefclass to NO_REGS if memory is the best option.
2946 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2948 2006-09-08 Eric Christopher <echristo@apple.com>
2950 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2951 * config/t-slibgcc-darwin: Support x86_64 multilib.
2952 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2953 Return 1 for x86_64-darwin.
2954 * config/i386/t-darwin: Add m64 multilib.
2955 (LIB2_SIDITI_CONV_FUNCS): Use.
2956 (LIB2FUNCS_EXTRA): Ditto.
2957 * config/i386/darwin.h: Support x86_64.
2958 * config/i386/i386.c (override_options): Turn on flag_pic
2959 for x86_64-darwin. Disable flag_omit_pointer.
2960 (get_pc_thunk_name): Assert !TARGET_64BIT.
2961 (legitimate_address_p): Disable machopic addressing for
2963 (legitimize_pic_address): Ditto.
2964 (ix86_expand_move): Ditto.
2965 (ix86_expand_call): Ditto.
2966 (machopic_output_stub): Ditto.
2967 * config/darwin.c (machopic_select_section): Support literal16.
2968 (machopic_select_rtx_section): Ditto.
2969 * config/darwin-sections.def: Ditto.
2970 * config/darwin-64.c: New.
2972 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2975 * c-tree.h (struct c_arg_info): Add pending_sizes.
2976 * c-parser.c (c_parser_parms_declarator,
2977 c_parser_parms_list_declarator): Initialize pending_sizes.
2978 * c-decl.c (get_parm_info): Initialize pending_sizes.
2979 (get_parm_info): Set pending_sizes.
2980 (grokdeclarator): Call put_pending_sizes for parameters for
2981 function definition only.
2983 2006-09-07 Jason Merrill <jason@redhat.com>
2986 * varasm.c (output_constant): Only strip actual no-op conversions.
2989 * config/i386/i386.c (override_options): Use 128-bit
2990 stack boundary if -msse.
2992 2006-09-07 Eric Christopher <echristo@apple.com>
2994 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2996 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2999 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3001 * dwarf2out.c: Remove strange characters from comment above
3002 dwarf2out_frame_debug_expr.
3004 2006-09-07 Eric Christopher <echristo@apple.com>
3006 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3007 * config/darwin.h: ... to here.
3009 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3011 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3013 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3014 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3016 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3017 TARGET_PARTIAL_FLAG_REG_STALL.
3018 (*ashldi3_cconly_rex64): Likewise.
3019 (*ashlsi3_cmp): Likewise.
3020 (*ashlsi3_cconly): Likewise.
3021 (*ashlsi3_cmp_zext): Likewise.
3022 (*ashlhi3_cmp): Likewise.
3023 (*ashlhi3_cconly): Likewise.
3024 (*ashlqi3_cmp): Likewise.
3025 (*ashlqi3_cconly): Likewise.
3026 (*ashrdi3_cmp_rex64): Likewise.
3027 (*ashrdi3_cconly_rex64): Likewise.
3028 (*ashrsi3_cmp): Likewise.
3029 (*ashrsi3_cconly): Likewise.
3030 (*ashrsi3_cmp_zext): Likewise.
3031 (*ashrhi3_cmp): Likewise.
3032 (*ashrhi3_cconly): Likewise.
3033 (*ashrqi3_cmp): Likewise.
3034 (*ashrqi3_cconly): Likewise.
3035 (*lshrdi3_cmp_rex64): Likewise.
3036 (*lshrdi3_cconly_rex64): Likewise.
3037 (*lshrsi3_cmp): Likewise.
3038 (*lshrsi3_cconly): Likewise.
3039 (*lshrsi3_cmp_zext): Likewise.
3040 (*lshrhi3_cmp): Likewise.
3041 (*lshrhi3_cconly): Likewise.
3042 (*lshrqi2_cmp): Likewise.
3043 (*lshrqi2_cconly): Likewise.
3045 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3048 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3049 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3050 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3051 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3052 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3053 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3054 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3055 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3056 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3057 implement only CC setting effects of shift instructions.
3059 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3061 * doc/contrib.texi: Add myself.
3063 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3066 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3067 was set by the user.
3069 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3072 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3073 (divsi_inv_m1): Use them.
3074 (UNSPEC_DIV_INV_TABLE): New constant.
3076 2006-09-06 James E Wilson <wilson@specifix.com>
3079 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3080 then call count_or_remove_death_notes.
3082 2006-09-06 Jason Merrill <jason@redhat.com>
3085 * tree-inline.c (copy_result_decl_to_var): New fn.
3086 (declare_return_variable): Use it. Call declare_inline_vars here.
3087 (expand_call_inline): Not here.
3089 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3091 * doc/contrib.texi: Update my entry.
3093 2006-09-06 Nick Clifton <nickc@redhat.com>
3095 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3097 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3100 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3101 (canonicalize_induction_variables): Likewise.
3102 (tree_unroll_loops_completely): Likewise.
3103 (tree_ssa_prefetch_arrays): Likewise.
3104 (remove_empty_loops): Likewise.
3105 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3106 TODO_cleanup_cfg instead of directly calling
3107 cleanup_tree_cfg_loop.
3108 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3110 (tree_unroll_loops_completely): Likewise.
3111 (remove_empty_loops): Likewise.
3112 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3113 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3114 of tree_ssa_unswitch_loops.
3115 (tree_ssa_loop_ivcanon): Use the return value of
3116 canonicalize_induction_variables.
3117 (tree_ssa_empty_loop): Use the return value of
3119 (tree_complete_unroll): Use the return value of
3120 tree_unroll_loops_completely.
3121 (tree_ssa_loop_prefetch): Use the return value of
3122 tree_ssa_prefetch_arrays.
3123 * passes.c (execute_todo): Before Cleanup CFG, set
3124 updating_used_alone and after cleanup CFG, call
3125 recalculate_used_alone.
3127 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3130 * tree-vect-transform.c (vectorizable_condition): Move the check
3131 for the type after the check for simple condition.
3133 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3134 Kaz Kojima <kkojima@gcc.gnu.org>
3137 * mode-switching.c (optimize_mode_switching): Make the destination
3138 block of an abnormal edge have no anticipatable mode. Don't
3139 insert mode switching code at the end of the source block of
3142 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3144 PR rtl-optimization/26847
3145 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3146 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3147 (simplify_plus_minus): Count n_constants while filling ops. Replace
3148 qsort with insertion sort. Before going through the array to simplify
3149 pairs, sort it. Delay early exit until after the first sort, exiting
3150 only if no swaps occurred. Simplify pairs in reversed order, without
3151 special-casing the first iteration. Pack ops after simplifying pairs.
3153 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3155 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3156 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3157 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3158 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3160 2006-09-05 Richard Guenther <rguenther@suse.de>
3162 PR tree-optimization/28900
3163 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3164 compound conditional before creating COND_EXPR condition.
3166 2006-09-05 Richard Guenther <rguenther@suse.de>
3168 PR tree-optimization/28905
3169 * tree-vrp.c (fix_equivalence_set): Manually implement
3170 !value_ranges_intersect_p to also handle symbolic ranges.
3172 2006-09-05 Richard Guenther <rguenther@suse.de>
3175 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3178 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3180 PR rtl-optimization/27616
3181 * cse.c (table_size): New static variable.
3182 (new_basic_block): Initialize it to 0.
3183 (remove_from_table): Decrement it.
3184 (insert): Increment it.
3185 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3186 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3187 fold_rtx_mem_1 if under the cap.
3188 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3189 the lookup of the equivalent expression and test for equality of the
3190 first operand of the equivalent expression before in turn looking up
3191 an equivalent constant for the second operand.
3193 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3196 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3197 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3198 pointer, instead of assuming it is possible to derive the
3199 correct args size from a call insn.
3201 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3204 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3205 (fold_builtin_mempcpy): Rename to...
3206 (fold_builtin_memory_op): ... this. Optimize one element copy
3208 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3210 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3211 (expand_builtin_memcpy, expand_builtin_mempcpy,
3212 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3213 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3214 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3215 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3217 2006-09-01 DJ Delorie <dj@redhat.com>
3219 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3220 (stzx_16): Likewise.
3221 ("stzx_24_<mode>"): Likewise.
3222 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3223 ("cmp<mode>_op"): New.
3224 (cmp<mode>): Change to expander; just save operands.
3226 (b<code>): Change to expander, emit compare here.
3227 (s<code>_op): Change to use split and expander.
3228 (s<code>_24_op): Likewise.
3229 (s<code>_<mode>): New.
3230 (s<code>_<mode>_24): New.
3231 (movqicc_<code>_<mode): New.
3232 (movhicc_<code>_<mode>): New.
3235 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3236 (m32c_pend_compare): New.
3237 (m32c_unpend_compare): New.
3238 (m32c_expand_scc): New.
3239 (m32c_expand_movcc): Emit the compare also.
3240 * config/m32c/predicates.md (mra_nopp_operand): New.
3242 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3243 Richard Guenther <rguenther@suse.de>
3244 Adam Nemet <anemet@caviumnetworks.com>
3247 * builtins.c (get_pointer_alignment): Handle more forms
3248 of base addresses that can be used to derive more precise
3249 information about alignment.
3251 2006-09-01 Jason Merrill <jason@redhat.com>
3254 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3257 * gimplify.c (voidify_wrapper_expr): Handle null type.
3259 2006-09-01 Josh Conner <jconner@apple.com>
3262 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3263 (execute_return_slot_opt): Use it.
3265 2006-08-31 Josh Conner <jconner@apple.com>
3268 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3269 returning aggregates.
3271 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3273 PR tree-optimization/28839
3274 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3275 blocks in that phi arguments appear.
3277 2006-08-31 Roger Sayle <roger@eyesopen.com>
3280 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3281 NULL, otherwise use an advance_loc4 to adjust relative to the
3283 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3284 (dwarf2out_switch_text_section): Reset the current label to avoid
3285 using advance_loc4 over section boundaries.
3287 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3290 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3291 r12 + SYMBOLIC_CONST.
3293 2006-08-30 Richard Guenther <rguenther@suse.de>
3295 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3297 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3299 PR rtl-optimization/27735
3300 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3301 Add new argument to keep track of whether an irreducible region
3302 was affected. All callers changed.
3303 (fix_irreducible_loops): Removed.
3304 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3305 flags were invalidated.
3307 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3309 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3310 instead of SF operands.
3311 (*fop_df_comm_sse): Likewise.
3312 (*fop_df_comm_i387): Likewise.
3313 (*fop_df_1_mixed): Likewise.
3314 (*fop_df_1_sse): Likewise.
3316 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3317 J"orn Rennecke <joern.rennecke@st.com>
3319 PR tree-optimization/17506
3320 * tree-ssa.c (warn_uninit): If warning about a location outside of
3321 the current function, note where the variable was declared.
3323 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3325 PR tree-optimization/28411
3326 * double-int.c (double_int_div): Use double_int_divmod.
3327 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3328 double_int_mod, double_int_smod, double_int_umod): New functions.
3329 * double-int.h (double_int_divmod, double_int_sdivmod,
3330 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3332 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3334 (get_computation_aff, get_computation_cost_at): Handle double_int
3335 return type of constant_multiple_of.
3337 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3340 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3341 an implicit conversion.
3343 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3345 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3347 2006-08-27 Roger Sayle <roger@eyesopen.com>
3349 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3352 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3354 * config/i386/crtfastmath.c: Fix a comment typo.
3356 2006-08-26 Roger Sayle <roger@eyesopen.com>
3358 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3359 temporary visit flags on CASE_LABEL_EXPRs.
3360 * c-common.c (match_case_to_enum): Add function comment. Avoid
3361 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3362 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3363 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3364 a constant, only warn if that constant value isn't handled.
3366 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3369 * input.h (restore_input_file_stack): Declare.
3370 (INPUT_FILE_STACK_BITS): Define.
3371 * toplev.c (fs_p, input_file_stack_history,
3372 input_file_stack_restored, restore_input_file_stack): New.
3373 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3374 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3375 (pop_srcloc): Don't free old state of stack.
3377 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3380 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3381 (PowerPC Type Attributes): New.
3383 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3385 * config/xtensa/xtensa.c (function_arg_boundary): New.
3386 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3388 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3389 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3391 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3394 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3397 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3399 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3400 (verify_local_live_at_start): Likewise.
3402 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3405 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3406 omp_add_variable): Treat sizes as variable whenever not
3409 2006-08-26 Richard Guenther <rguenther@suse.de>
3412 * fold-const.c (fold_binary): Fold temporary to correct
3413 type before constructing new comparison.
3415 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3418 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3419 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3421 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3424 * c-decl.c (start_function): Don't try to process prototype
3425 information from old declaration that isn't a function.
3427 2006-08-25 Jan Hubicka <jh@suse.cz>
3430 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3432 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3435 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3438 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3440 PR tree-optimization/16876
3441 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3442 exit if PARM doesn't match VALUE.
3444 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3446 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3447 literal_prefix directive.
3448 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3449 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3450 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3452 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3455 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3456 predicate to general_operand. Add 0->y and I->r alternatives.
3458 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3460 * doc/tm.texi: Fix a typo.
3461 * predict.c: Fix comment typos.
3463 2006-08-25 Nick Clifton <nickc@redhat.com>
3465 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3466 assertions of "cpu" and "machine".
3468 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3471 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3472 the access through a base which has an alias set of 0 cannot
3475 2006-08-24 Bill Wendling <wendling@apple.com>
3477 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3479 2006-08-24 Jan Hubicka <jh@suse.cz>
3481 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3483 2006-08-24 Jan Hubicka <jh@suse.cz>
3486 * cgraph.c: Fix comments.
3487 (cgraph_varpool_mark_needed_node): Mark only variables not already
3489 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3490 (cgraph_varpool_assembled_nodes_queue): New static variable.
3491 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3492 (cgraph_varpool_output_debug_info): New function.
3493 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3494 * Makefile.in: Add gt-cgraphunit.h
3496 2006-08-24 Jan Hubicka <jh@suse.cz>
3498 * predict.c (probability_reliable_p): New predicate.
3499 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3500 (predict_loops): Do not predict loop exit with less than 2%
3502 * basic-block.h (edge_probability_reliable_p,
3503 br_prob_note_reliable_p): Declare.
3504 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3505 prediction when static predictor is not reliable.
3506 * rs6000.c (output_cbranch): Likewise.
3508 2006-08-23 Stuart Hastings <stuart@apple.com>
3511 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3512 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3514 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3517 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3518 complex values, nor for generic vector values.
3520 2006-08-22 Richard Guenther <rguenther@suse.de>
3523 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3524 parameter. Convert arguments to arithmetic expression to the
3526 (analyze_scalar_evolution_1): Adjust caller.
3528 2006-08-22 Jan Hubicka <jh@suse.cz>
3530 Patch by Paolo Bonzini
3531 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3534 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3536 PR tree-optimization/28003
3537 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3538 before grouping aliases.
3540 2006-08-22 Roger Sayle <roger@eyesopen.com>
3542 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3543 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3545 2006-08-21 Jason Merrill <jason@redhat.com>
3548 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3549 wrapper. Loop to handle nested wrappers.
3550 (gimplify_bind_expr): Remove temp parameter.
3551 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3552 and STATEMENT_LIST on the rhs.
3553 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3554 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3555 (gimplify_target_expr): Remove special BIND_EXPR handling.
3557 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3559 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3562 2006-08-21 Olivier Hainque <hainque@adacore.com>
3564 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3565 Arrange for the temporary captures of components overlapping the lhs
3566 to happen before the lhs is possibly cleared.
3568 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3570 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3571 necessary places to pass the correct "number of registers" values
3574 2006-08-20 Jan Hubicka <jh@suse.cz>
3576 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3577 (create_name_tags): Instead of quadratic checking use hashtable.
3578 * bitmap.h: Include hashtab.h.
3579 (bitmap_hash): Declare.
3580 * bitmap.c (bitmap_hash): New function.
3582 2006-08-20 Jan Hubicka <jh@suse.cz>
3584 PR rtl-optimization/28071
3585 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3587 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3588 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3589 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3590 cgraph_decide_inlining_incrementally): Update use of
3591 cgraph_check_inline_limits.
3592 * cgraph.c (edge_hash, edge_eq): New function.
3593 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3594 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3595 cgraph_remove_node): Maintain call site hash.
3596 * cgraph.h (struct cgraph_node): Add call_site_hash.
3597 (cgraph_set_call_stmt): New function.
3599 2006-08-20 Jan Hubicka <jh@suse.cz>
3601 PR rtl-optimization/28071
3602 * reload1.c (reg_has_output_reload): Turn into regset.
3603 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3604 choose_reload_regs, emit_reload_insns): Update to new
3605 reg_has_output_reload.
3607 2006-08-20 Jan Hubicka <jh@suse.cz>
3610 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3611 function body sizes.
3612 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3614 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3617 * tree.c (handle_dll_attribute): Return early if not a
3618 var or function decl.
3620 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3623 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3624 alignment of SPE vector types.
3626 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3628 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3630 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3633 * cgraph.h (struct cgraph_node): Remove externally_visible
3635 * cgraphunit.c (process_function_and_variable_attributes): Set
3636 local.externally_visible rather than externally_visible.
3639 * c-common.c (handle_externally_visible_attribute): First look
3640 at TREE_CODE and only if it is function or var decl, check for
3641 non-public objects. Don't warn for DECL_EXTERNAL.
3642 * cgraphunit.c (process_function_and_variable_attributes): Warn
3643 if externally_visible attribute is used on non-public object.
3645 2006-08-17 Jan Hubicka <jh@suse.cz>
3647 PR tree-optimization/27865
3648 * reload1.c (forget_marked_reloads): New function.
3649 (forget_old_reloads_1): When data are passed, just mark the registers
3651 (reload_as_needed): Use the new mechanizm.
3653 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3656 * reload.h (reg_equiv_alt_mem_list): New declaration.
3657 * reload1.c (reg_equiv_alt_mem_list): New definition.
3658 (reload): Initialize it and release it.
3659 (delete_output_reload): Use it.
3660 * reload.c (push_reg_equiv_alt_mem): New function.
3661 (find_reloads_toplev): Call it.
3662 (find_reloads_address, find_reloads_address_1): Likewise.
3663 (find_reloads_subreg_address): Likewise.
3665 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3667 PR rtl-optimization/28489
3668 * sched-ebb.c (begin_schedule_ready): Create basic block
3670 (advance_target_bb): Skip empty blocks.
3671 * haifa-sched.c (bb_note): Make global.
3672 * sched-int.h (bb_note): Add prototype.
3674 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3676 PR tree-optimization/27865
3677 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3679 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3680 fold_used_pointer, pointer_used_p): New functions.
3681 (analyze_scalar_evolution_1): Use fold_used_pointer.
3682 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3683 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3686 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3689 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3690 or the INTEGER_CST. Fail on a CALL_EXPR.
3691 (fold_offsetof): Pass new argument to fold_offsetof_1.
3692 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3693 operand into an INDIRECT_REF.
3694 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3696 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3698 PR gcov/profile/26570
3699 * value-prof.c (static_values): Removed.
3700 (tree_find_values_to_profile): Do not set static_values.
3701 (find_values_to_profile): Do not free static_values.
3702 * profile.c (instrument_values): Do not free the values.
3703 (branch_prob): Free the values.
3705 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3707 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3709 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3712 * c-typeck.c (build_component_ref): Combine qualifiers of
3713 structure or union and field.
3715 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3717 PR rtl-optimization/28071
3718 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3719 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3720 * tree-into-ssa.c (struct dom_dfsnum): New.
3721 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3723 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3724 compute_global_livein.
3725 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3726 in phi nodes in the correct blocks.
3728 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3730 PR tree-optimization/28364
3731 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3733 (fold_affine_expr): New function.
3734 (may_eliminate_iv): Use fold_affine_expr.
3736 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3739 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3742 2006-08-16 Mike Stump <mrs@apple.com>
3744 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3745 * doc/cppopts.texi (-MD): Likewise.
3747 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3750 * c-common.c (handle_weak_attribute): Ignore and warn if
3751 not a FUNCTION_ or VAR_DECL.
3753 2006-07-15 Mike Stump <mrs@apple.com>
3756 * c-parser.c (c_parser_typeof_specifier): Don't use
3757 c_finish_expr_stmt, open code desired semantics instead.
3759 2006-08-15 Nick Clifton <nickc@redhat.com>
3761 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3762 fragment to tmake_file only if threads are enabled.
3763 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3764 * config/i386/t-gthr-win32: New file. ... here.
3766 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3769 * c-parser.c (c_parser_compound_statement_nostart): Reset
3770 parser->error after each statement.
3772 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3775 * omp-low.c (lower_omp_parallel): Convert t to
3776 receiver_decl's type.
3777 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3778 source before comparison.
3781 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3782 to itype in assignment to oldival2.
3784 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3788 * c-typeck.c (build_compound_expr): If the second expression
3789 is an error mark, then just return an error mark instead of
3790 creating a COMPOUND_EXPR.
3792 2006-07-14 Mike Stump <mrs@apple.com>
3794 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3796 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3798 * c-decl.c, var-tracking.c: Fix comment typos.
3800 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3802 PR rtl-optimization/28634
3803 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3804 for floating-point modes unless flag_unsafe_math_optimizations.
3806 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3807 Andrew Pinski <pinskia@physics.uc.edu>
3810 * tree.c (build_array_type): Unify array types with
3811 unspecified index_type.
3812 * c-decl.c (grokdeclarator): Make sure we do not modify a
3813 unified incomplete array type.
3814 * c-typeck.c (store_init_value): Create distinct type before
3815 filling in the index type in an initializer from a compound
3818 * c-decl.c (grokdeclarator): Remove code where we copy the
3821 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3823 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3824 into account for TODO_dump_cgraph.
3825 (TODO_update_ssa_no_phi): Likewise.
3826 (TODO_update_ssa_full_phi): Likewise.
3827 (TODO_update_ssa_only_virtuals): Likewise.
3828 (TODO_remove_unused_locals): Likewise.
3829 (TODO_set_props): Likewise.
3830 (TODO_update_stmt_usage): Likewise.
3832 2006-08-13 Dirk Mueller <dmueller@suse.de>
3834 * c-common.c (strict_aliasing_warning): Fix formatting.
3836 2006-08-13 Matthias Klose <doko@debian.org>
3838 * doc/invoke.texi: Fix spelling errors.
3840 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3842 PR rtl-optimization/23454
3843 * reorg.c (relax_delay_slots): Update comment.
3845 2006-08-11 Richard Guenther <rguenther@suse.de>
3848 * simplify-rtx.c (simplify_const_relational_operation):
3849 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3852 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3854 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3855 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3857 2006-08-10 Paul Brook <paul@codesourcery.com>
3859 * final.c (final_scan_insn): Clear current_insn_predicate before
3860 outputting inline asm.
3862 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3864 PR tree-optimization/26197
3865 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3866 get_ref_base_and_extent and overlap_subvar to add only relevant
3867 subvars as may-aliases.
3868 (add_may_alias_for_new_tag): New function, factored out of
3870 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3871 with additional argument.
3872 * tree-flow.h (new_type_alias): Takes additional argument.
3874 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3876 * gcov.c (no_data_file): New flag.
3877 (read_count_file): Set it if data file not present. Assume counts
3879 (output_lines): Don't name the data file, if there wasn't one.
3881 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3883 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3884 (rs6000_generate_compare): Tweak comments.
3885 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3887 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3889 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3890 (var_debug_decl): New function.
3891 (var_reg_set): Follow debug decl link. Add location even if
3892 reg is already known to hold some other variable.
3893 (var_mem_set): Follow debug decl link.
3894 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3895 decl link. Delete other known locations of the variable part
3897 (var_reg_delete, var_mem_delete): Delete other known locations
3898 of the variable part if requested.
3899 (same_variable_part_p): New function.
3900 (add_stores): Select MO_COPY when appropriate.
3901 (vt_initialize): Handle it.
3902 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3903 known locations for MO_SET and MO_CLOBBER.
3904 (find_variable_location_part): New function.
3905 (set_variable_part, delete_variable_part): Use it.
3906 (clobber_variable_part): New function.
3907 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3910 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3912 PR tree-optimization/26969
3913 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3914 with an empty list of PHIs.
3916 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3920 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3923 2006-08-06 Andreas Schwab <schwab@suse.de>
3925 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3926 string. Whitespace and comment fixup.
3928 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3931 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3935 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3938 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3940 2006-08-04 Jan Hubicka <jh@suse.cz>
3944 * reload.c (push_reload): Patch out the mismatching instruction;
3946 (find_reload): Bail out if the instruction was patched out.
3948 2006-08-04 Jan Hubicka <jh@suse.cz>
3950 PR tree-optimization/24888
3951 * tree-inline.c (expand_call_inline): Do not re-record variables.
3952 (declare_inline_vars): Add variable to unexpanded_var_list.
3954 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3955 Roger Sayle <roger@eyesopen.com>
3957 PR rtl-optimization/26244
3958 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3959 inner_const are negative or greater than or equal to the bitsize of
3960 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3961 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3962 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3963 CONST0_RTX (mode) when the new shift count is greater than or equal to
3964 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3967 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3969 * tree-cfg.c: Fix a comment typo.
3971 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3974 * varasm.c (output_constant): Give the front end another chance to
3975 expand constants, after stripping NOPs.
3977 2006-08-03 Jan Hubicka <jh@suse.cz>
3979 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3982 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3984 PR tree-optimization/27770
3985 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3986 declaration removed (moved to tree-flow.h).
3987 (vect_can_force_dr_alignment_p): Likewise.
3988 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3989 (moved from tree-vectorizer.h).
3990 (vect_can_force_dr_alignment_p): Likewise.
3991 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3992 from outside the vectorizer - in particular from cgraph stage.
3993 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3994 the alignment of global arrays when -fsection-anchors is enabled.
3995 * cgraphunit.c (cgraph_increase_alignment): New function.
3996 (cgraph_optimize): Call cgraph_increase_alignment.
3998 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4001 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4002 not reload a SPE symbol_ref into a lo_sum address.
4004 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4007 * dwarf2out.c (prune_unused_types_prune): Move call to
4008 prune_unused_types_update_strings to cover the parent DIE also.
4010 2006-08-02 Jan Hubicka <jh@suse.cz>
4012 PR gcov/profile/28480
4013 * tree-cfg.c (change_bb_for_stmt): New function.
4014 (tree_merge_blocks, tree_split_blocks): Use it.
4016 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4022 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4023 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4024 (cgraph_optimize): Likewise.
4026 2006-08-01 Stuart Hastings <stuart@apple.com>
4028 * rtl.h (UINTVAL) New.
4029 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4030 * testsuite/gcc.dg/20060801-1.c: New.
4032 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4035 * c-typeck.c (build_external_type): Mark used enum types.
4036 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4038 (gen_subprogram_die): Whitespace fix.
4040 2006-08-01 Jan Hubicka <jh@suse.cz>
4042 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4043 bitmap when not needed.
4044 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4047 2006-08-01 Dirk Mueller <dmueller@suse.de>
4049 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4051 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4053 * Makefile.in: Revert part of previous patch:
4054 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4057 2006-07-30 Eric Christopher <echristo@apple.com>
4060 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4061 (PowerPC Variable Attributes): New section.
4063 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4065 PR target/28126 (partial fix)
4066 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4068 2006-07-28 Jan Hubicka <jh@suse.cz>
4070 PR rtl-optimization/28071
4071 * cfgrtl.c (rtl_delete_block): Free regsets.
4072 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4074 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4076 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4077 and variables used in dependencies.
4079 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4081 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4082 %fs for -mcmodel=kernel.
4083 (stack_tls_protect_test_di): Likewise.
4085 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4087 * Makefile.in: Use mkinstalldirs.
4089 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4092 * opts-common.c (prune_options): Skip joined switches.
4094 2006-07-27 Jan Hubicka <jh@suse.cz>
4096 PR rtl-optimization/28071
4097 * cselib.c (cselib_process_insn): Don't remove useless values too
4098 often for very large hashtables.
4100 2006-07-27 Jan Hubicka <jh@suse.cz>
4102 PR rtl-optimization/28071
4103 * global.c (greg_obstack): New obstack.
4104 (allocate_bb_info): Use it.
4105 (free_bb_info): Likewise.
4106 (modify_reg_pav): Likewise.
4108 2006-07-27 Roger Sayle <roger@eyesopen.com>
4110 * builtins.c (fold_fixed_mathfn): When long and long long are the
4111 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4112 functions to their lceil*, lfloor*, lround* and lrint* forms.
4114 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4117 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4119 (rev_branch_insn): Likewise.
4121 2006-07-27 Jan Hubicka <jh@suse.cz>
4123 PR rtl-optimization/28071
4124 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4125 (reg_set_in_bb, max_reg_computed): New static variables.
4126 (regmove_optimize): Free the new array.
4127 (fixup_match_1): Update call of reg_is_remote_constant_p.
4129 2006-07-26 Jan Hubicka <jh@suse.cz>
4131 PR tree-optimization/27882
4132 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4134 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4136 (cgraph_analyze_compilation_unit): Likewise.
4137 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4138 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4139 (cgraph_early_inlinine): Make order garbage collected.
4140 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4142 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4144 * dbxout.c (output_types_sort): Add a comment.
4145 (output_used_types): Free the VEC.
4147 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4149 * function.c (reorder_fix_fragments): Delete.
4150 (reorder_blocks): Don't call it.
4151 (reorder_blocks_1): Put all subblocks under the origin block.
4153 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4155 PR rtl-optimization/27907
4156 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4159 2006-07-25 Roger Sayle <roger@eyesopen.com>
4162 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4163 bar(x) check that bar's result type can represent all the values of T.
4165 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4167 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4169 2006-07-25 Nick Clifton <nickc@redhat.com>
4171 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4172 size_lookup[] array.
4173 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4174 (ggc_pch_count_object): Likewise.
4175 (ggc_pch_alloc_object): Likewise.
4176 (ggc_pch_write_object): Likewise.
4177 (init_ggc): Do not attempt to initialize entries in the
4178 size_lookup[] array for objects whose size is greater than than
4179 the length of the array.
4181 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4183 * dbxout.c (output_used_types_helper): Push queued types
4185 (output_types_sort): New.
4186 (output_used_types): Collect used types on a VEC and sort them
4189 2006-07-24 Richard Guenther <rguenther@suse.de>
4192 * cgraph.c (cgraph_remove_node): Do not check if dumps
4194 * cgraphunit.c (cgraph_optimize): Likewise.
4196 2006-07-24 Jan Hubicka <jh@suse.cz>
4198 PR rtl-optimization/28071
4199 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4200 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4201 splitting before first stmt.
4203 2006-07-24 Jan Hubicka <jh@suse.cz>
4205 PR rtl-optimization/28071
4206 * ipa-inline.c (update_caller_keys): Remove edges that
4207 are no longer inline candidates.
4209 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4212 * dbxout.c (output_used_types_helper, output_used_types): New.
4213 (dbxout_symbol): Call output_used_types.
4215 2006-07-23 Jan Hubicka <jh@suse.cz>
4219 * cgraph.c (cgraph_varpool_nodes): Export.
4220 (decide_is_variable_needed): Ignored "used" attribute in
4221 unit-at-a-time mode.
4222 * cgraph.h (cgraph_varpool_nodes): Declare.
4223 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4224 unit-at-a-time mode.
4226 2006-07-23 Roger Sayle <roger@eyesopen.com>
4229 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4230 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4231 the __gthrw form of thr_keycreate.
4232 (__gthread_key_delete): Silence the unused argument warning.
4234 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4237 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4238 Cache the last found '\0' marker to avoid quadratic behavior.
4240 2006-07-23 Jan Hubicka <jh@suse.cz>
4242 * i386.md (subsi_3_zext): Fix output template.
4244 2006-07-21 Mike Stump <mrs@apple.com>
4246 * doc/invoke.texi (C++ Dialect Options): Note that
4247 -fvisibility-inlines-hidden doesn't affect explicitly
4248 instantiationed inline methods.
4250 2006-07-20 Roger Sayle <roger@eyesopen.com>
4252 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4253 if the target assembler is GNU binutils' gas.
4254 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4255 whether to pass GNU gas or native as command line options.
4257 2006-07-20 Jason Merrill <jason@redhat.com>
4259 * tree.c (remove_attribute): New fn.
4260 * tree.h: Declare it.
4262 2006-07-20 Paul Brook <paul@codesourcery.com>
4265 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4266 they are invalidated by this instruction.
4268 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4271 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4273 2006-07-20 Eric Christopher <echristo@apple.com>
4276 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4278 2006-07-19 Eric Christopher <echristo@apple.com>
4280 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4281 Rewrite dependencies for libgcc_s.1.dylib.
4283 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4285 * except.c (duplicate_eh_regions_1): Clear next_peer.
4287 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4289 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4290 -mlongcall does not guarantee all calls will be long.
4291 * doc/extend.texi (long_call/short_call): Document that longcall
4292 does not guarantee a long call will be used.
4293 (longcall/shortcall): Likewise.
4295 2006-07-18 Roger Sayle <roger@eyesopen.com>
4298 * expmed.c (expand_shift): Additionally check that the shift_cost
4299 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4300 before implementing a LSHIFT_EXPR as a sequence of additions.
4301 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4302 middle-end that DImode shifts need to be synthesized by expand.
4304 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4307 * tree-ssa-operands.c (access_can_touch_variable): Update
4309 Return true if ALIAS is .GLOBAL_VAR.
4311 2006-07-18 David Daney <ddaney@avtrex.com>
4313 * gcc.c (display_help): Fix typo in help text.
4315 2006-07-18 Olivier Hainque <hainque@adacore.com>
4317 * tree.h (categorize_ctor_elements): Adjust prototype and add
4318 descriptive comment, both in accordance with the interface change
4320 * varasm.c (constructor_static_from_elts_p): New function.
4321 Whether a constructor node is a valid static constant initializer
4322 if all its elements are.
4323 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4324 * output.h: Declare it.
4325 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4326 is a valid constant initializer instead of computing the number of
4327 non-constant elements. Use constructor_static_from_elts_p for this
4328 purpose. Replace the head comment with an indication that this is a
4329 helper for categorize_ctor_elements.
4330 (categorize_ctor_elements): Same interface change as for the _1
4331 helper. Former head comment from this helper moved here, adjusted to
4332 account for the interface changes.
4333 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4334 (all_zeros_p): Likewise.
4335 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4336 static versions of the constructor from the categorize_ctor_elements
4337 return value instead of the formerly computed number of non-constant
4340 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4342 * configure: Regenerate.
4343 * Makefile.in (build_libsubdir): New configure substitution
4344 (build_libobjdir): New variable.
4345 (BUILD_LIBIBERTY): Use it.
4347 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4350 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4352 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4355 * c-common.c (handle_weakref_attribute): Ignore attribute in
4356 the same conditions the alias attribute is ignored.
4358 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4360 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4361 (dbxout_begin_prologue): Increment scope_labelno.
4363 2006-07-17 Richard Henderson <rth@redhat.com>
4366 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4369 2006-07-17 Roger Sayle <roger@eyesopen.com>
4370 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4372 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4373 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4374 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4375 functions such as sbrk, write, etc.. Add function prototypes.
4376 Convert function declarations from K&R to ISO C. Cast pointers
4377 to "long" and "unsigned long" instead of "int" and "unsigned int".
4378 Convert tokens following #endif into comments.
4380 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4382 * invoke.texi: Remove mention of f77; Reformat table for
4383 inline parameter options correctly; mention that -malign-double
4384 is default on x86-64 targets.
4386 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4388 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4389 (convert_affine_scev, chrec_convert_aggressive): Use
4390 avoid_arithmetics_in_type_p. Do not check for the subtypes
4393 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4396 * optabs.c (expand_doubleword_shift): Wrap the call to
4397 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4399 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4402 * optabs.c (expand_binop): Pass next_methods rather than methods
4403 to expand_doubleword_shift.
4405 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4408 * tree.h (dump_addr): Declare.
4409 * print-tree.c (dump_addr): New function.
4410 (print_node_brief, print_node): Use it.
4411 * print-rtl.c (print_rtx): Likewise.
4412 * common.opt (-fdump-noaddr): New option.
4413 * doc/invoke.texi (-fdump-noaddr): Document.
4414 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4415 (ve_info_hash): Likewise.
4417 2006-07-13 Andrew Haley <aph@redhat.com>
4419 PR tree-optimization/19505
4420 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4421 edge leaving this block, make sure that the destination of this
4422 block has only one predecessor.
4424 2006-07-17 Richard Guenther <rguenther@suse.de>
4426 PR tree-optimization/28238
4427 * tree-inline.c (copy_bb): Check if we produced valid
4428 gimple copying and substituting a stmt. If not, gimplify
4431 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4433 * optabs.c (maybe_encapsulate_block): New function extracted from...
4434 (emit_libcall_block): ...here. Invoke it on the block of insns to
4435 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4436 (emit_no_conflict_block): Likewise.
4438 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4440 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4442 2006-07-15 Roger Sayle <roger@eyesopen.com>
4444 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4445 a new NOP_EXPR case of the switch statement.
4447 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4450 * stor-layout.c (place_field): Take the bit field with
4451 an excessive size into account in the ms-bitfiled case.
4454 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4455 the previous bit field.
4457 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4460 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4462 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4464 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4465 signal frames correctly even when the signal was installed with
4468 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4470 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4471 (dbxout_function_end): Use local label LFBB. Remove hook
4473 (dbxout_source_line): Use local label LFBB.
4474 (dbxout_block): Likewise.
4475 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4476 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4477 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4478 and DBX_OUTPUT_NFUN.
4480 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4482 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4484 2006-07-13 Jan Hubicka <jh@suse.cz>
4486 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4488 * output.h (align_variable): Declare.
4489 * varasm.c (align_variable): Export.
4490 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4491 when basic block changed.
4493 2006-07-13 Nick Clifton <nickc@redhat.com>
4495 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4496 walking the LOG_LINKS chain.
4498 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4500 * doc/invoke.texi (C++ Dialect Options): Explain difference
4501 between -fvisibility-inlines-hidden and setting hidden
4502 visibility explicitly.
4504 2006-07-12 Eric Christopher <echristo@apple.com>
4506 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4507 (stmp-lipo): Depend on libgcc.a.
4509 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4511 * tree.c: Fix a comment typo.
4513 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4515 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4517 (umulhisi3_r): Likewise.
4519 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4522 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4523 x < 19, vs wchar_t support.
4525 2006-07-12 Nick Clifton <nickc@redhat.com>
4527 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4528 instead of -isa=sh4.
4530 2006-07-12 Mike Stump <mrs@apple.com>
4532 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4534 2006-07-10 Eric Christopher <echristo@apple.com>
4536 * config/t-slibgcc-darwin: Rewrite.
4538 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4541 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4544 2006-07-08 Matthias Klose <doko@debian.org>
4546 * doc/sourcebuild.texi: Fix typo.
4548 2006-07-07 Mike Stump <mrs@apple.com>
4550 * toplev.c (process_options): Don't give -ffunction-sections may
4551 affect debugging warning for Mach-O.
4553 2006-07-07 James E Wilson <wilson@specifix.com>
4555 * config/mips/mips.md (cpu): Add sb1a.
4556 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4557 addition to sb1. Adjust comments to clarify SB-1A differences from
4559 (ir_sb1a_load): New. Modify bypasses to use it.
4560 (ir_sb1a_simple_alu): Likewise.
4561 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4562 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4563 (mips_issue_rate): Add PROCESSOR_SB1A.
4564 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4565 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4566 (TARGET_SB1): Add PROCESSOR_SB1A check.
4567 (TUNE_SB1): Likewise.
4569 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4570 * config/mips/mips.c (mips_store_data_bypass_p): New.
4571 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4572 store_data_bypass_p.
4574 2006-07-08 Paul Brook <paul@codesourcery.com>
4577 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4579 2006-07-07 Richard Guenther <rguenther@suse.de>
4582 * tree.h (build_one_cst): Declare.
4583 * tree.c (build_one_cst): New function.
4584 * tree-ssa-math-opts.c (get_constant_one): Remove.
4585 (insert_reciprocals): Use build_one_cst.
4586 * fold-const.c (fold_plusminus_mult): Likewise.
4588 2006-07-07 Roger Sayle <roger@eyesopen.com>
4590 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4591 * cfgloopanal.c (dump_graph): Likewise.
4592 * dojump.c (discard_pending_stack_adjust): Likewise.
4593 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4595 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4596 * function.c (finalize_block_changes): Likewise.
4597 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4598 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4599 * rtl.c (dump_rtx_statistics): Likewise.
4600 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4602 * varray.c (dump_varray_statistics): Likewise.
4603 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4604 decode_decimal64, encode_decimal128, decode_decimal128,
4605 decimal_real_to_decimal): Likewise.
4607 2006-07-07 Richard Guenther <rguenther@suse.de>
4609 PR tree-optimization/28187
4610 * tree-vrp.c (vrp_operand_equal_p): New function.
4611 (vrp_bitmap_equal_p): Likewise.
4612 (update_value_range): Use them to compare old and new
4615 2006-07-06 Roger Sayle <roger@eyesopen.com>
4617 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4618 a default case to switch statement to silence compiler warnings.
4620 2006-07-06 Roger Sayle <roger@eyesopen.com>
4623 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4624 the configured assembler supports the x87's ffreep mnemonic.
4625 * configure: Regenerate.
4626 * config.in: Regenerate.
4628 * config/i386/i386.c (output_387_ffreep): New function.
4629 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4630 (output_387_reg_move): Likewise.
4632 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4634 Port to hosts whose 'sort' and 'tail' implementations
4635 treat operands with leading '+' as file names, as POSIX
4636 has required since 2001. However, make sure the code still
4637 works on pre-POSIX hosts.
4638 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4639 which says you should use "tail -c +N" rather than "tail +Nc".
4640 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4642 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4644 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4647 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4650 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4651 PRE_{INC,DEC} of TFmode.
4653 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4654 Alan Modra <amodra@bigpond.net.au>
4657 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4660 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4663 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4664 Remove duplicate gtu.
4666 2006-07-05 Jason Merrill <jason@redhat.com>
4670 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4671 * c-common.c (handle_packed_attribute): So don't copy it here.
4672 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4674 2006-07-05 Mike Stump <mrs@apple.com>
4676 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4678 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4681 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4683 2006-07-05 Richard Guenther <rguenther@suse.de>
4686 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4687 TARGET_SSE2 targets if using SSE math.
4688 (*absdf2_1): Likewise.
4690 2006-07-05 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/28162
4693 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4694 make sure to convert the operands to the correct type.
4696 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4698 PR tree-optimization/28218
4700 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4701 to calculate and free the dominator information.
4703 2006-07-04 Peter O'Gorman <peter@pogma.com>
4705 * mklibgcc.in: chmod 644 before ranlib during install.
4707 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4708 J"orn Rennecke <joern.rennecke@st.com>
4710 * configure.ac (.eh_frame data check): Use diff -b.
4712 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4715 * Makefile.in (BUILD_RTL): Add build/vec.o.
4716 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4717 (build/genextract): Delete.
4718 (build/genautomata): Likewise.
4720 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4723 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4724 128-bit IBM long doubles for ABI_V4.
4726 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4728 * tree.c (range_in_array_bounds_p): New predicate.
4729 * tree.h (range_in_array_bounds_p): Declare it.
4730 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4731 return a less conservative answer.
4732 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4733 and flag 'is_group'.
4734 (IS_ELEMENT_FOR_GROUP): New macro.
4735 (FOR_EACH_ACTUAL_CHILD): Likewise.
4736 (next_child_for_group): New helper function.
4737 (can_completely_scalarize_p): Take into account groups.
4738 (sra_hash_tree): Handle RANGE_EXPR.
4739 (sra_elt_eq): Likewise.
4740 (lookup_element): Be prepared for handling groups.
4741 (is_valid_const_index): Delete.
4742 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4743 instead of is_valid_const_index.
4744 <ARRAY_RANGE_REF>: New case.
4745 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4746 is_valid_const_index.
4747 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4748 (scan_dump): Dump info for groups too.
4749 (decide_instantiation_1): Likewise.
4750 (decide_block_copy): Assert that the element is not a group.
4751 Propagate decision to groups.
4752 (generate_one_element_ref): Handle RANGE_EXPR.
4753 (mark_no_warning): Iterate over actual childs.
4754 (generate_copy_inout): Likewise.
4755 (generate_element_copy): Likewise.
4756 (generate_element_zero): Likewise.
4757 (generate_element_init_1): Likewise.
4758 (dump_sra_elt_name): Handle RANGE_EXPR.
4760 2006-07-03 Roger Sayle <roger@eyesopen.com>
4762 PR tree-optimization/26251
4763 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4764 (thread_block): When optimizing for size refuse to thread jumps
4765 that would require duplication of blocks other than redirection
4768 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4770 * configure.ac: Fix thinko in previous check-in.
4771 * configure: Regenerate.
4773 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4776 * configure.ac (for lang...): Simplify nesting of conditionals.
4777 Test subdir_requires for non-enabled languages. Move processing
4778 of lang_opt_files and lang_tree_fiels below that test.
4779 * configure: Regenerate.
4780 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4782 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4784 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4786 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4788 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4791 2006-06-29 Jason Merrill <jason@redhat.com>
4798 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4799 * c-common.c (c_determine_visibility): Handle it here.
4800 * c-decl.c (finish_decl): Call c_determine_visibility for
4802 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4804 * varasm.c (default_assemble_visibility): Likewise.
4805 * c-common.c (handle_visibility_attribute): Complain about trying
4806 to give visibility to an already defined class, or trying to change
4807 declared visibility. Always attach the attribute.
4812 * attribs.c (decl_attributes): Ignore type-in-place attributes
4813 once the type has been defined.
4815 2006-06-29 Roger Sayle <roger@eyesopen.com>
4818 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4819 to indicate the cpplib has issued an error message for us.
4821 2006-06-29 Asher Langton <langton2@llnl.gov>
4824 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4825 insert a label at the end of an function under Mach-O.
4827 2006-06-29 Eric Christopher <echristo@apple.com>
4828 Evan Cheng <evan.cheng@apple.com>
4830 * predicates.md (vector_all_ones_operand): New.
4831 (nonimmediate_or_sse_const_operand): Ditto.
4832 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4833 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4834 (standard_sse_mode_p): Ditto.
4835 (standard_sse_constant_p): Add case for -1 vector.
4836 (ix86_expand_vector_move): Try to use.
4837 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4838 Call standard_sse_constant_opcode.
4839 (*movv4sf_internal): Ditto.
4840 (*movv2df_internal): Ditto.
4842 2006-06-29 Roger Sayle <roger@eyesopen.com>
4844 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4845 of XEXP to extract the operands of a MATCH_CODE rtx.
4847 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4849 * tree.c (tree_size): Do not waste tail padding in
4850 struct tree_string and make the size be the same as
4851 build_string will generate.
4853 2006-06-28 Jason Merrill <jason@redhat.com>
4856 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4857 may_aliases already in the tag's annotations to the bitmap.
4859 2006-06-28 Roger Sayle <roger@eyesopen.com>
4861 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4863 2006-06-28 Roger Sayle <roger@eyesopen.com>
4865 * genpreds.c (generate_switch_p): New function.
4866 (add_mode_tests): Push the new mode test down inside an AND expr
4867 if this allows the switch-suitable MATCH_CODE to be near the root.
4868 (write_match_code_switch): New function to write a MATCH_CODE as
4870 (write_predicate_stmts): New function to write a predicate RTX
4871 expression as a sequence of statements.
4872 (write_one_predicate_function): Use write_predicate_stmts.
4873 (write_tm_constrs_h): Likewise.
4875 2006-06-26 Fred Fish <fnf@specifix.com>
4877 * config/mips/t-sb1: New file.
4878 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4881 2006-06-26 DJ Delorie <dj@redhat.com>
4883 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4885 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4886 Jayant Sonar <jayants@kpitcummins.com>
4887 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4889 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4890 (subsi3, subsi3_1, subsi3_2): New.
4891 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4892 * config/m32c/mov.md (SI mov peephole): New.
4893 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4894 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4896 2006-06-26 Olivier Hainque <hainque@adacore.com>
4898 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4899 a CALL_EXPR target function declaration.
4901 2006-06-26 Richard Guenther <rguenther@suse.de>
4903 * tree.c (build_string): Do not waste tail padding in
4906 2006-06-26 Richard Guenther <rguenther@suse.de>
4908 * ggc-page.c (init_ggc): Add missing element to size_lookup
4912 2006-06-23 Richard Guenther <rguenther@suse.de>
4914 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4915 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4916 alignment requests instead. Add verification code.
4917 Add struct tree_function_decl and struct tree_binfo size to
4918 extra_order_size_table. Add missing element to size_lookup
4921 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4924 * fold-const.c (const_binop): Be prepared for self returning zero.
4925 Simplify code handling complex values.
4927 2006-06-24 Olivier Hainque <hainque@adacore.com>
4929 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4930 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4933 2006-06-24 Olivier Hainque <hainque@adacore.com>
4935 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4936 ARRAY_REF, so have the callback called for the low bound expression.
4938 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4940 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4941 * c-typeck.c (c_common_type): Disallow operations on decimal float
4942 types and other float types.
4943 * convert.c (convert_to_real): Don't ignore conversions involving
4944 decimal float types.
4946 2006-06-23 Olivier Hainque <hainque@adacore.com>
4948 * tree.c (max_int_size_in_bytes): New function, inspired from
4949 code in function.c:assign_temp.
4950 * tree.h (max_int_size_in_bytes): Declare.
4951 * function.c (assign_temp): Use it.
4952 * gimplify.c (create_tmp_var): Relax the assertions on the type
4953 properties, not mandating constant size any more.
4954 (force_constant_size): New static function.
4955 (gimple_add_tmp_var): Use it, forcing variable size to a
4956 constant upper bound if it is not constant on entry.
4958 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4961 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4962 for initialization and setting of one_only flag to ...
4963 (i386_pe_encode_section_info): ...here.
4964 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4965 Recheck that the symbol has not been defined.
4967 2006-06-23 Richard Guenther <rguenther@suse.de>
4969 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4970 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4971 alignment requests instead. Add verification code.
4972 Add struct tree_function_decl and struct tree_binfo size to
4973 extra_order_size_table. Add missing element to size_lookup
4976 2006-06-22 Roger Sayle <roger@eyesopen.com>
4977 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4980 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4981 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4983 2006-06-23 Ben Elliston <bje@au.ibm.com>
4985 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4986 negate dn -- manipulate it directly.
4988 2006-06-22 Roger Sayle <roger@eyesopen.com>
4989 Steven Bosscher <stevenb.gcc@gmail.com>
4992 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4993 generated by gen_move_insn to add REG_LABEL notes if necessary.
4995 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4997 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4998 (leaf_entry): Remove use of MIN_ESA.
5000 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5002 PR rtl-optimization/28121
5003 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5006 2006-06-21 DJ Delorie <dj@redhat.com>
5008 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5010 (mulhisi3_r): Likewise.
5012 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5015 * coverage.c (coverage_counter_alloc): Leave the index type
5017 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5020 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5022 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5023 section from the "Options for Code Generation Conventions".
5025 2006-06-21 Richard Henderson <rth@redhat.com>
5029 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5031 (global_symbolic_operand): Allow weak symbols, even if local_p.
5033 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5035 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5036 (find_interesting_uses_address): Punt if above function returns true.
5038 2006-06-21 Richard Guenther <rguenther@suse.de>
5040 * configure: Regenerated.
5042 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5044 * config/mips/mips.c (function_arg): Where one part of a
5045 complex argument is in registers and the other part in the stack,
5046 return a REG not a PARALLEL.
5048 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5050 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5051 when cross-compiling. Do not substitute libstdcxx_incdir.
5052 * configure: Regenerated.
5054 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5056 * varasm.c (mergeable_string_section): Check for embedded NULs and
5057 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5058 rather than TREE_STRING_LENGTH bytes.
5060 2006-06-21 Richard Guenther <rguenther@suse.de>
5062 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5063 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5066 2006-06-21 Richrad Guenther <rguenther@suse.de>
5068 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5069 Limit iteration over the dominators.
5071 2006-06-20 Roger Sayle <roger@eyesopen.com>
5073 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5074 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5076 2006-06-20 Richard Guenther <rguenther@suse.de>
5077 Michael Matz <matz@suse.de>
5079 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5081 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5082 * et-forest.h (et_free_pools): Prototype new function.
5083 * et-forest.c (et_free_tree_force): Free parent occurrence.
5084 (et_free_pools): New function.
5085 * dominance.c (free_dominance_info): Free et-forest alloc
5088 2006-06-20 Roger Sayle <roger@eyesopen.com>
5090 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5091 integer modes, attempt to directly construct an integer constant.
5093 * fold-const.c (native_encode_vector): Determine the size of each
5094 element from the vector type instead of the first vector element.
5096 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5097 if all of its elements/components are constant.
5098 (build_constructor_from_list): Likewise.
5100 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5102 PR tree-optimization/27331
5103 * tree-data-ref.c (free_data_ref): New function.
5104 (create_data_ref): Fail if the data reference has unknown access
5106 (free_data_refs): Use free_data_ref.
5108 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5111 * tree-inline.c (setup_one_parameter): Strip useless
5112 type conversion before adding it to the IR.
5113 (declare_return_variable): Likewise.
5115 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5118 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5120 2006-06-19 Mike Stump <mrs@apple.com>
5122 * tree.c (variably_modified_type_p): VM arguments don't make the
5125 2006-06-19 Richard Guenther <rguenther@suse.de>
5127 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5128 type conversions after folding.
5130 2006-06-19 Richard Guenther <rguenther@suse.de>
5132 * ggc-page.c (extra_order_size_tab): Add entries with
5133 size of struct function and basic_block.
5134 (size_lookup): Extend to cover sizes up to 511.
5135 (ggc_alloc_stat): Adjust user.
5136 (ggc_pch_count_object): Likewise.
5137 (ggc_pch_alloc_object): Likewise.
5138 (ggc_pch_write_object): Likewise.
5140 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5142 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5143 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5146 2006-06-19 Denis Chertykov <denisc@overta.ru>
5148 * config/avr/libgcc.S : Correct my wrong previous commit.
5150 2006-06-19 Roger Sayle <roger@eyesopen.com>
5153 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5154 have stripped a SUBREG from the shift count, so we may need to
5155 convert_to_mode back to the type's mode before calling make_tree.
5156 Use new_amount instead of amount to avoid expanding a tree twice.
5158 2006-06-19 Richard Guenther <rguenther@suse.de>
5161 * fold-const.c (operand_equal_p): Check if the argument types
5162 have the same precision before stripping NOPs.
5164 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5166 Fix PR tree-optimization/27341
5167 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5169 * tree-complex.c (pass_lower_complex): Update SMT usage.
5171 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5173 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5174 Add a new alternative to the constraint strings. Add move of
5175 operand 1 to 3 to the splitter definition.
5176 ("doloop_si_long"): Second contraint alternative removed.
5178 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5180 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5181 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5183 (AVR_HAVE_MOVW) Define.
5184 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5185 (ASM_SPEC): Add avr25.
5186 (LINK_SPEC): Add avr25.
5187 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5188 (base_arch_s): Add new member 'have_movw_lpmx'.
5189 (avr_arch_types): Init 'have_movw_lpmx'.
5190 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5191 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5192 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5193 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5194 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5196 (avr_file_start): Do not output '.arh' derective.
5197 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5198 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5199 * config/avr/avr.md (mcu_enhanced): Delete.
5200 (mcu_have_movw): Define.
5201 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5202 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5203 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5204 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5205 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5206 attiny861 and at86rf401 devices.
5208 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5210 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5213 2006-06-17 Karl Berry <karl@gnu.org>
5215 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5216 doc/gccint.texi, doc/install.texi (@dircategory): Use
5217 "Software development" instead of "Programming", following
5218 the Free Software Directory.
5220 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5222 * config/i386/i386.c (legitimate_tls_address)
5223 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5224 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5225 (*tls_dynamic_gnu2_combine_64): Likewise.
5227 2006-06-16 Richard Guenther <rguenther@suse.de>
5230 * fold-const.c (negate_expr_p): Do not introduce undefined
5231 overflow in negating INTEGER_CSTs.
5232 (fold_negate_expr): Rename from negate_expr. Revert last
5233 change for folding BIT_NOT_EXPR. Change semantics to
5234 return NULL_TREE for non-simplified negations. Do not
5235 strip type conversions and unify type handling.
5236 (negate_expr): New function, wrap around fold_negate_expr
5237 but ensure building a tree always. Strip type conversions
5238 here, fold to result type.
5239 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5241 2006-06-16 Roger Sayle <roger@eyesopen.com>
5244 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5245 that (would) return their results in stack registers.
5247 2006-06-16 Michael Matz <matz@suse.de>
5248 Richard Guenther <rguenther@suse.de>
5250 * fold-const.c (fold_truthop): Only return new tree node if
5251 we canonicalized something.
5253 2006-06-16 Richard Guenther <rguenther@suse.de>
5255 * function.h (enum function_frequency): Move declaration
5256 out of struct function.
5257 (struct function): Move bool fields and the enum to the bitfield
5258 section. Reorder elements to avoid padding. Remove unused
5259 fields left over from the RTL inliner removal.
5260 * function.c (free_after_compilation): Do not zero removed fields.
5261 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5262 (ipa-type-escape.o): Likewise.
5264 2006-06-16 Richard Guenther <rguenther@suse.de>
5266 * cgraph.h (struct cgraph_local_info): Turn bool elements
5268 (struct cgraph_node): Likewise.
5269 (struct cgraph_varpool_node): Likewise.
5271 2006-06-15 Richard Guenther <rguenther@suse.de>
5273 * fold-const.c (fold_truth_not_expr): Rename from
5274 invert_truthvalue. Give it fold_* semantics to avoid
5276 (invert_truthvalue): New function. Wrapper around
5277 fold_truth_not_expr.
5278 (optimize_minmax_comparison): Avoid creating garbage.
5279 (fold_unary): Use fold_truth_not_expr for folding
5281 (fold_ternary): Replace uses of invert_truthvalue with
5282 fold_truth_not_expr where applicable.
5283 * tree.h (fold_truth_not_expr): Prototype.
5285 2006-06-16 Richard Guenther <rguenther@suse.de>
5287 PR tree-optimization/27781
5288 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5289 * ipa-pure-const.c (target.h): Include.
5290 (analyze_function): Do not analyze functions that do not
5293 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5296 * tree-dfa.c (referenced_vars_dup_list): Remove.
5297 (find_referenced_vars): Remove assert.
5298 (referenced_var_check_and_insert): Replace dup list with assert.
5299 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5300 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5302 2006-06-15 Richard Guenther <rguenther@suse.de>
5304 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5305 extra unused identifiers if not dumping.
5306 (create_variable_info_for): Likewise.
5308 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5310 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5311 (derive_constant_upper_bound): Derive more precise upper bound in
5312 common cases. Return type changed to double_int.
5313 (record_estimate): Reflect the changed return type of
5314 derive_constant_upper_bound.
5315 * double-int.c (double_int_zext, double_int_sext): Fix.
5317 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5319 * configure.ac (CFLAGS): Get them from the toplevel or from the
5320 configure invocation.
5321 * configure: Regenerate.
5322 * Makefile.in (CFLAGS): Substitute value provided by configure.
5324 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5327 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5328 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5329 rather than calling add_stmt on it.
5330 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5332 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5335 * reload1.c (reload): Remove registers returned by update_eliminables
5336 from used_spill_regs.
5338 2006-06-13 DJ Delorie <dj@redhat.com>
5340 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5342 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5344 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5345 html__strip_dir, html__mkdir_p. Enhance install-html target.
5346 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5347 * configure: Regenerate.
5349 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5351 * fold-const.c (fold_cond_expr_with_comparison): Check for
5352 Objective-C++ as language in deciding COND_EXPR transformation.
5354 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5357 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5358 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5359 * config/sh/lib1funcs.h (SL, SL1): Define.
5360 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5361 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5362 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5363 (OBJS_Os_4_200): New variable.
5364 ($(T)libgcc-Os-4-200.a): Use it.
5365 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5366 when dividing 1 and/or by 0.
5368 2006-06-13 Roger Sayle <roger@eyesopen.com>
5370 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5371 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5372 * configure: Regenerate.
5374 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5376 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5377 for real instruction.
5379 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5382 * haifa-sched.c (check_cfg): Handle special case.
5384 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5387 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5388 Add debug_info parameter. Chain the vars to the BLOCK instead
5389 of the BIND_EXPR if debug info are requested for them.
5390 (pop_gimplify_context): Adjust for above change.
5391 (gimple_add_tmp_var): Likewise.
5392 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5394 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5395 (convert_local_reference): Likewise.
5396 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5397 (finalize_nesting_tree_1): Request that debug info be emitted
5398 for debug_var_chain.
5400 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5402 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5403 for PR target/27863.
5405 2006-06-13 Richard Guenther <rguenther@suse.de>
5408 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5410 2006-06-13 Richard Guenther <rguenther@suse.de>
5412 PR tree-optimization/27830
5413 * tree-inline.c (copy_body_r): For copying the operand
5414 of an ADDR_EXPR make sure to fold &* afterwards.
5416 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5418 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5419 lvalues in the fb_none case with side-effects.
5421 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5423 * tree-flow.h: Remove the prototype for
5424 compute_phi_arg_on_exit.
5425 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5426 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5429 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5431 * builtins.c (expand_builtin_return_addr): Only use
5432 frame_pointer_rtx when count == 0 and we are expanding
5433 __builtin_return_address.
5435 2006-06-12 Fred Fish <fnf@specifix.com>
5437 * config/mips/mips.c (mips_file_start): Create special section
5438 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5440 2006-06-11 Eric Christopher <echristo@apple.com>
5443 * stor-layout.c (place_field): Remove check for
5444 remaining_in_alignment when aligning at the end of a run.
5446 2006-06-11 Eric Christopher <echristo@apple.com>
5449 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5452 2006-06-11 Roger Sayle <roger@eyesopen.com>
5455 Revert incorrect fix for PR target/27158
5456 2006-05-08 Roger Sayle <roger@eyesopen.com>
5457 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5458 of a reg_equiv_constant if the result is a legitimate constant.
5460 2006-06-11 Roger Sayle <roger@eyesopen.com>
5463 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5464 extract a CONST_VECTOR element and interpret it as an integer.
5465 (vspltis_constant): Use const_vector_elt_as_int instead of the
5466 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5467 * config/rs6000/predicates.md (easy_vector_const): Consider
5468 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5470 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5473 * stor-layout.c (update_alignment_for_field): Don't add extra
5474 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5477 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5479 * config/mips/t-rtems: Add EL/EB multilib variants.
5481 2006-06-09 Mike Stump <mrs@apple.com>
5483 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5485 2006-06-09 David Daney <ddaney@avtrex.com>
5487 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5489 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5491 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5493 2006-06-09 Richard Guenther <rguenther@suse.de>
5495 PR tree-optimization/26998
5496 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5497 of signed types, only TYPE_MIN_VALUE is special, but for both,
5498 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5499 in this case, as is -fwrapv.
5501 2006-06-08 Mike Stump <mrs@apple.com>
5504 * config/darwin.c (darwin_asm_output_anchor): Disable
5505 -fsection-anchors on darwin for now.
5506 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5507 * rs6000/rs6000.c (optimization_options): Likewise.
5509 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5512 * config/i386/i386.c (classify_argument): Skip fields with invalid
5515 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5517 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5518 (cse_insn): Likewise for the stack_pointer_rtx.
5520 2006-06-08 Roger Sayle <roger@eyesopen.com>
5522 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5523 conditions from floating point comparisons.
5525 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5528 * expmed.c (struct alg_hash_entry): Fix type of field T
5529 to match synth_mult argument.
5530 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5532 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5535 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5538 2006-06-08 Richard Guenther <rguenther@suse.de>
5541 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5542 only, if overflow is defined and not trapping.
5543 (negate_expr): Likewise.
5545 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5547 PR tree-optimization/27872
5548 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5549 flag on the new exit edge of the unrolled loop.
5551 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5553 PR rtl-optimization/26449
5554 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5556 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5559 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5560 referenced_variables with matching DECL_UID's.
5561 (find_referenced_vars): Make sure duplicate list is empty to start.
5562 (referenced_var_p): Remove.
5563 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5564 Check if var is in the list, and add if needed. Update the duplicate
5565 list if a different var is in the list with the same DECL_UID.
5566 (add_referenced_var): Call routine to check and insert.
5567 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5568 * tree-flow.h (referenced_vars_dup_list): External declaration.
5570 2006-06-07 Fred Fish <fnf@specifix.com>
5572 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5575 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5578 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5579 the imaginary and real parts of a clobbered register.
5580 Emit insn to set the imaginary part.
5582 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5584 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5585 in lieu of unwind-dw2-fde.c.
5587 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5589 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5591 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5594 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5595 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5596 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5597 V4SImode temporaries and operations instead.
5599 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5601 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5604 2006-06-06 Mike Stump <mrs@apple.com>
5606 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5607 installing during build.
5609 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5611 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5613 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5614 * config/ia64/ia64.c (params.h): New header.
5615 (ia64_optimization_options): New function to adjust parameters.
5616 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5617 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5618 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5620 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5622 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5624 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5627 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5629 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5630 Victor Kaplansky <victork@il.ibm.com>
5632 PR tree-optimization/26360
5633 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5636 2006-06-04 Roger Sayle <roger@eyesopen.com>
5637 Andrew Pinski <pinskia@physics.uc.edu>
5640 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5641 for LABEL_DECL before calling DECL_WEAK.
5644 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5645 LABEL_DECL and PARM_DECL.
5647 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5651 * c-decl.c (grokdeclarator): Disallow variably modified types at
5652 file scope. Avoid marking shared array type of constant size as
5655 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5658 * c-common.c (fold_offsetof_1): Handle static members.
5660 2006-06-04 Eric Christopher <echristo@apple.com>
5662 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5663 (debug_rli): Output value for remaining_in_alignment.
5664 (update_alignment_for_field): Unconditionalize
5665 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5666 extra alignment code.
5667 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5668 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5669 * tree.h (record_layout_info_s): Remove prev_packed.
5670 * doc/extend.texi (ms_struct): Add documentation of format.
5672 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5674 * tree.h: Declare folding_initializer.
5675 * builtins.c (fold_builtin_constant_p): Give definite answer
5676 if folding inside an initializer.
5677 * fold-const.c: Define folding_initializer.
5678 (START_FOLD_INIT): Save and then set folding_initializer.
5679 (END_FOLD_INIT): Restore folding_initializer.
5681 2006-06-04 Richard Guenther <rguenther@suse.de>
5683 PR tree-optimization/27039
5684 * fold-const.c (fold_comparison): Handle pointer comparison
5685 again for all comparison codes. Compare offsets in signed
5687 (fold_binary): Move code from here.
5689 2006-06-03 Roger Sayle <roger@eyesopen.com>
5692 * config/i386/i386.c (construct_container): Split static issued_error
5693 flag into issued_sse_arg_error, issued_sse_ret_error and
5694 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5695 requires the use of x87 registers and the user explicitly
5696 specified the -mno-80387 command line option.
5698 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5700 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5701 HAVE_DECL_SIGALTSTACK.
5703 (segv_handler): Use MC_FLD.
5704 * configure.ac: Check for a sigaltstack declaration.
5705 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5706 * configure: Regenerate.
5707 * config.in: Regenerate.
5709 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5712 * Makefile.in (stmp-fixinc): Fix typo.
5714 2006-06-02 Roger Sayle <roger@eyesopen.com>
5716 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5717 are type correct. Clean-up.
5718 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5719 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5721 2006-06-01 DJ Delorie <dj@redhat.com>
5723 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5724 shift, as we've disabled the "switch" insn that needs it.
5726 2006-06-01 Per Bothner <bothner@bothner.com>
5728 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5729 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5730 * c-ppoutput.c (cb_define): Don't increment line 0.
5732 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5734 * doc/invoke.texi: Add cpu_type power6.
5735 * config.gcc: Add cpu_type power6.
5736 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5737 to power5+ with Altivec.
5738 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5739 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5741 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5743 * config/avr/avr.h (SET_ASM_OP): Define.
5745 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5747 * config/bfin/bfin.c: Fix comment typos.
5749 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5752 * doc/install.texi: Document --enable-bootstrap and
5753 --disable-bootstrap.
5755 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5757 * doc/install.texi: Document that InfoZIP can replace jar.
5759 2006-05-31 Roger Sayle <roger@eyesopen.com>
5761 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5762 isn't available, directly generate the simpler x87 patterns without
5763 the (use (const_int 0)).
5764 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5765 implementation isn't available.
5766 (*negdf2_1): Likewise.
5767 (*negxf2_1): XF mode negation is always done using the x87.
5768 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5770 2006-05-31 Roger Sayle <roger@eyesopen.com>
5772 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5773 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5775 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5777 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5779 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5780 * config/bfin/bfin.c (basic-block.h): Include.
5781 (struct machine_function): New.
5782 (bfin_init_machine_status): New.
5783 (override_options): Initialize init_machine_status.
5784 (bfin_hardware_loop): New.
5785 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5786 (DEF_VEC_P (loop_info)): New.
5787 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5788 (struct loop_info): New.
5789 (loop_info): New typedef.
5790 (struct loop_work): New.
5791 (loop_work): New typedef.
5792 (DEF_VEC_O (loop_work)): New.
5793 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5794 (bfin_dump_loops): New.
5795 (bfin_bb_in_loop): New.
5796 (bfin_scan_loop): New.
5797 (bfin_optimize_loop): New.
5798 (bfin_reorg_loops): New.
5799 (bfin_reorg): Use bfin_reorg_loops.
5800 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5802 (I_REGNO_P): Simplify.
5803 (DP_REGNO_P, DPREG_P): New macros.
5804 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5805 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5806 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5807 Add LT_REGS, LC_REGS, LB_REGS.
5808 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5810 (REGNO_REG_CLASS): Deal with loop registers.
5811 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5813 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5814 New constants for loop registers.
5815 (UNSPEC_LSETUP_END): New.
5816 (seq_insns): New define_attr. Set it for appropriate insns.
5817 (movsi_insn): Add alternatives for move from/to
5818 loop count registers.
5819 (doloop_end): New define_expand.
5820 (loop_end): New define_insn.
5821 (define_split for bad doloop_end): New.
5822 (lsetup_with_autoinit): New define_insn.
5823 (lsetup_without_autoinit): New define_insn.
5824 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5825 * config/bfin/predicates.md (lc_register_operand): New.
5826 (lt_register_operand): New.
5827 (lb_register_operand): New.
5828 (nondp_register_operand): New.
5829 (nondp_reg_or_memory_operand): New.
5830 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5832 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5834 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5835 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5837 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5839 * Makefile.in (CATALOGS): Add po/ prefix.
5840 * configure: Regenerated.
5842 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5845 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5846 a shift operand before calling shift_op. Avoid redundant call of
5849 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5850 DJ Delorie <dj@redhat.com>
5852 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5853 we're inserting is a singlt-bit constant.
5855 2006-05-30 Roger Sayle <roger@eyesopen.com>
5857 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5858 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5860 2006-05-30 Roger Sayle <roger@eyesopen.com>
5862 PR tree-optimization/23452
5863 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5864 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5865 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5866 complex values and with -ffast-math for FP complex values.
5868 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5870 * c-common.h: Remove the prototype for yyparse.
5871 * rtl.h: Remove the prototype for init_loop.
5873 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5875 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5878 2006-05-30 Roger Sayle <roger@eyesopen.com>
5880 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5882 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5883 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5885 2006-05-30 Dirk Mueller <dmueller@suse.de>
5888 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5889 for CONSTANT_CLASS_P expresisons.
5891 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5894 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5896 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5898 PR tree-optimization/27779
5899 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5900 initial_condition instead of CHREC_LEFT.
5902 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5904 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5905 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5906 Make prototypes ISO C90.
5908 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5909 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5911 * see.c (see_analyze_one_def): Correct check.
5912 (see_get_extension_data): Check if extension is parallel.
5913 (see_get_extension_reg): Likewise.
5915 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5918 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5919 into register for (code == GTU).
5921 2006-05-29 Roger Sayle <roger@eyesopen.com>
5923 PR tree-optimization/24964
5924 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5925 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5926 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5927 abs(x)*abs(x) as x*x for scalar floating point modes.
5929 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5932 * lambda-code.c (perfect_nestify): Don't copy statements
5933 in the inner loop: move them to the inner loop header.
5935 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5938 * c-tree.texi: Document OpenMP directives and clauses.
5940 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5942 * varasm.c (globalize_decl): Fix indentation.
5944 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5947 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5948 pass_fre, pass_store_ccp, pass_copy_prop,
5949 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5950 pass_return_slot, pass_object_size, pass_lim,
5951 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5952 pass_loop_prefetch and pass_stdarg.
5954 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5956 * config/bfin/bfin.opt (mfdpic): New option.
5957 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5958 (EXTRA_MULTILIB_PARTS): Likewise.
5959 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5960 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5962 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5963 (CRT_CALL_STATIC_FUNCTION): New.
5964 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5966 (CRT_CALL_STATIC_FUNCTION): New.
5967 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5969 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5970 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5971 (initialize_trampoline): Changed to handle FD-PIC code generation.
5972 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5973 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5974 (override_options): Disallow -mid-shared-library -mfdpic combination.
5975 Can't do unaligned ops if FD-PIC.
5976 Turn off flag_pic if trying to generate non-id-shared-library
5977 non-fdpic code, since it's not supported.
5978 (bfin_assemble_integer): New function.
5979 (TARGET_ASM_INTEGER): Define.
5980 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5982 * config/bfin/crtn.s: Restore them.
5983 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5985 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5986 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5987 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5988 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5989 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5991 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5992 FDPIC_REGS and FDPIC_FPTR_REGS.
5993 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5994 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5995 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5996 (load_funcdescsi): New pattern.
5997 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5998 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5999 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6001 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6003 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6006 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6008 * tree-flow.h: Remove the prototype for add_type_alias.
6009 * tree-ssa-alias.c (add_type_alias): Remove.
6011 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6013 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6014 config/fr30/fr30.md, config/i386/i386-interix.h,
6015 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6016 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6017 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6018 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6019 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6020 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6021 Follow spelling conventions.
6022 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6023 Follow spelling conventions.
6025 2006-05-27 Richard Guenther <rguenther@suse.de>
6028 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6029 to produce a constant of value 1 of generic type.
6031 2006-05-27 Dirk Mueller <dmueller@suse.de>
6033 * cgraphunit.c (decide_is_function_needed): Fix wrong
6036 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6038 PR rtl-optimization/27661
6039 * reload.c (find_reloads): When reloading a VOIDmode constant
6040 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6041 use Pmode as mode of the reload register.
6043 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6045 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6046 is enabled at -O and above.
6048 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6051 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6054 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6057 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6058 for anonymous variables explicitly declared by front ends.
6060 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6062 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6063 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6064 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6065 ref-all pointers, run a finalization pass for them.
6066 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6067 (finalize_ref_all_pointers): New function.
6068 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6069 regular pointer type to a ref-all pointer type.
6070 (get_tmt_for): Return the special memory tag for ref-all pointers.
6072 2006-05-25 Richard Guenther <rguenther@suse.de>
6075 * fold-const.c (fold_binary): Do not look at the stripped
6076 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6078 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6080 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6081 for LT and GT if the computed range is effectively empty.
6083 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6086 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6087 mips_quad_format formats instead of ieee_single_format,
6088 ieee_double_format and ieee_quad_format formats, respectively.
6090 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6092 PR tree-optimization/27639
6093 PR tree-optimization/26719
6094 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6095 call to scev_probably_wraps_p.
6096 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6097 used_in_pointer_arithmetic_p, convert_step): Removed.
6098 (nowrap_type_p): New function.
6099 (scev_probably_wraps_p): Rewritten.
6100 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6101 chrec_convert if chrec_convert_aggressive might have been used.
6102 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6103 scev_direction): New functions.
6104 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6105 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6106 instead of convert_step.
6107 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6108 (convert_step): Declaration removed.
6109 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6111 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6113 * df-core.c: Added to header comments.
6114 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6115 df_ur_bb_info, df_urec_bb_info): Added comments.
6116 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6117 urec, ri problems): Fixed header comments.
6118 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6119 code from df_rd_transfer_function.
6121 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6123 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6124 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6125 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6127 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6129 * expr.c (undefined_operand_subword_p): New.
6130 (emit_move_multi_word): Do not generate move from undefined bits
6131 of a paradoxical subreg.
6133 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6135 PR rtl-optimization/27736
6136 * combine.c (replaced_rhs_value): New variable.
6137 (combine_instructions): Set it.
6138 (distribute_notes): When distributing a note in replaced_rhs_insn,
6139 check whether the value was used in replaced_rhs_value.
6141 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6144 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6145 add_referenced_var instead of add_referenced_tmp_var.
6146 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6147 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6149 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6150 tree_optimize_tail_calls_1): Use add_referenced_var.
6151 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6152 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6153 Use add_referenced_var.
6154 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6155 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6156 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6157 Use add_referenced_var.
6158 * tree-dfa.c (struct walk_state): Remove.
6159 (find_referenced_vars): Remove walk state and vars_found hash table.
6160 (make_rename_temp): Use add_referenced_var.
6161 (find_vars_r): Pass less parameters to add_referenced_var.
6162 (referenced_var_p): New. Is var in referenced_var hash table.
6163 (referenced_var_insert): Assert var isn't already in hash table.
6164 (add_referenced_var): Don't need walk_state parameter. Add var if it
6165 isn't already in the hash table.
6166 (add_referenced_tmp_var): Remove.
6167 (find_new_referenced_vars_1): Use add_referenced_var.
6168 * tree-ssa-pre.c (create_expression_by_pieces,
6169 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6170 Use add_referenced_var.
6171 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6172 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6173 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6175 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6176 vect_create_data_ref_ptr, vect_create_destination_var,
6177 vect_init_vector, vect_build_loop_niters,
6178 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6179 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6180 Use add_referenced_var.
6181 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6182 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6183 (add_referenced_var): Add prototype.
6184 * tree-ssa-structalias.c (get_constraint_for,
6185 intra_create_variable_infos): Use add_referenced_var.
6187 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6189 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6190 big-endian paradoxical subregs.
6191 * var-tracking.c (struct micro_operation_def): Document that,
6192 for modify micro operations, insn is the subsequent instruction.
6193 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6194 (var_reg_set, var_mem_set): ... new functions.
6195 (add_stores): Record subsequent insn.
6196 (compute_bb_dataflow): Use new functions for MO_USE.
6197 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6198 notes after the insn, and modify notes before the insn known
6199 to be the subsequent one.
6200 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6202 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6205 * config/i386/i386.c (ix86_expand_builtin): Use
6206 gen_sse3_monitor64 for TARGET_64BIT.
6208 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6210 PR rtl-optimization/26375
6211 PR rtl-optimization/26855
6212 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6214 (df_ru_bb_local_compute): Reversed statements and removed bogus
6215 comment explaining why they should be in wrong order.
6216 (df_ru_dump, df_rd_dump): Enhanced debug info.
6217 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6219 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6220 reaching uses and fixed space problem.
6222 2006-05-23 Jan Hubicka <jh@suse.cz>
6224 * cgraphunit.c (decide_is_function_needed): Also nested functions
6225 and functions declared inline can be optimized out at -O0.
6227 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6229 * doc/install.texi (Configuration): Remove reference to CrossGCC
6233 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6236 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6237 ix86_compare_emitted is non-NULL.
6239 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6242 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6245 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6247 PR rtl-optimization/25514
6248 * combine.c (replaced_rhs_insn): New variable.
6249 (combine_instructions): Set replaced_rhs_insn when trying to replace
6250 a SET_SRC with a REG_EQUAL note.
6251 (distribute_notes): Use replaced_rhs_insn when determining the live
6252 range of a REG_DEAD register.
6254 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6255 Anatoly Sokolov <aesok@post.ru>
6257 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6258 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6259 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6260 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6261 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6262 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6263 at90usb647, at90usb1286 and at90usb1287 devices.
6264 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6265 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6267 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6269 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6271 2006-05-22 Richard Guenther <rguenther@suse.de>
6274 2006-01-31 Richard Guenther <rguenther@suse.de>
6275 Paolo Bonzini <bonzini@gnu.org>
6277 * doc/install.texi (--disable-libgcc-math): Document.
6279 2006-05-22 Richard Guenther <rguenther@suse.de>
6282 2006-01-31 Richard Guenther <rguenther@suse.de>
6284 * doc/invoke.texi (-msselibm): Document.
6285 * target.h (expand_library_builtin): New target hook.
6286 * builtins.c (expand_builtin): Use expand_library_builtin.
6287 (default_expand_library_builtin): New function.
6288 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6289 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6290 (link_gcc_math_spec): Declare.
6291 (static_specs): Add link_gcc_math_spec.
6292 * expr.h (default_expand_library_builtin): Declare.
6293 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6294 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6295 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6296 * config/i386/i386.opt (msselibm): New target option.
6297 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6298 (ix86_init_sse_abi_builtins): New function.
6299 (ix86_expand_library_builtin): Likewise.
6300 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6301 (override_options): Handle error conditions wrt -msselibm.
6302 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6303 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6304 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6307 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6310 * c-common.c (self_promoting_args_p): Skip erroneous args.
6313 * c-decl.c (finish_struct): Skip erroneous fields.
6315 2006-05-22 Nick Clifton <nickc@redhat.com>
6317 * config/cris/cris.opt (march): Remove VarExists attribute.
6318 (max-stackframe=): Likewise.
6320 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6322 * doc/rtl.texi: Fix a typo.
6323 * see.c: Fix comment typos.
6325 * tree-ssa-structalias.h (alias_info): Remove num_references.
6327 2006-05-21 Mike Stump <mrs@apple.com>
6329 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6331 (darwin_pragma_options): Use BAD instead.
6332 (darwin_pragma_unused): Likewise.
6333 (darwin_pragma_ms_struct): Likewise.
6335 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6337 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6339 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6341 PR rtl-optimization/27671
6342 * simplify-rtx.c (simplify_relational_operation_1): Fix
6343 simplifications of (eq/ne (xor x y) y) and
6344 (eq/ne (xor x y) x).
6346 PR tree-optimization/26622.
6347 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6350 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6352 * tree-cfg.c: Prune whitespace.
6353 (debug_tree_cfg): Point to correct header containing the
6356 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6359 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6361 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6364 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6365 or sorry count is non zero.
6367 2006-05-20 Andreas Schwab <schwab@suse.de>
6369 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6371 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6372 Kenneth Zadeck <zadeck@naturalbridge.com>
6374 PR rtl-optimization/26855
6376 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6378 (df_scan_alloc): Added code to properly handle multiword hard
6379 registers and add all_blocks parameter.
6380 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6381 code to properly handle multiword hard registers.
6382 (df_rescan_blocks): Added code to remove deleted blocks from
6384 (df_ref_create_structure, df_ref_record): Added code to properly
6386 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6387 and set DF_REF_PARTIAL.
6388 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6389 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6390 (df_scan_add_problem): Added flags parameter.
6391 (df_ref_create_structure): Changed switching structure.
6392 (df_bb_refs_record): Fixed case where duplicate artificial refs
6393 were created. Changed location of flags.
6394 (df_record_entry_block_defs): Added code to make stack pointer
6395 live in entry block. Refined cases where frame pointer is needed.
6396 Changed location of flags.
6397 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6398 (df_set_state): Removed function.
6399 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6400 df_insn_create_insn_record, df_insn_refs_delete,
6401 df_ref_create_structure): Formatting changes.
6402 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6403 df_delete_basic_block): New function.
6404 (df_init): Changed location of flags.
6405 (df_add_problem): Added flags parameter and the way flags are
6407 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6408 debug_df_chain): Improved debugging output.
6409 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6410 (df_refs_chain_dump): Removed df parameter.
6411 (df_iterative_dataflow): Added consistency check.
6412 (df_prune_to_subcfg): Made public.
6413 (df_analyze_problem): Added blocks_to_init parameter and made
6415 (df_ref_record, df_bb_refs_record, df_mark_reg,
6416 df_record_exit_block_uses): Whitespace changes.
6417 (df_dump): Whitespace changes.
6418 * df.h: Some reordering to remove forward references.
6419 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6420 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6421 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6422 (dataflow.flags): New field.
6423 (df.flag): Deleted field.
6424 (df_alloc_function): Added additional bitmap parameter.
6425 (df_dependent_problem_function): New type.
6426 (df_problem.changeable_flags): New field.
6427 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6428 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6429 (df_mw_hardreg): New struct.
6430 (DF_INSN_UID_MWS): New macro.
6431 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6433 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6434 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6435 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6436 (df_set_state): Removed function.
6437 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6438 * df-problems.c (df_chain_dump): Removed df parameter.
6439 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6440 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6442 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6443 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6444 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6445 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6446 DF_REF_MUST_CLOBBER cases.
6447 (df_ru_bb_local_compute_process_def,
6448 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6449 df_lr_bb_local_compute, df_ur_bb_local_compute,
6450 df_chain_create_bb): Made subreg aware.
6451 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6452 df_lr_bb_local_compute, df_lr_bb_local_compute,
6453 df_chain_create_bb): Cleanup to use proper macros.
6454 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6455 code to fixup bitvectors.
6456 (df_ri_alloc): Cleared lifetime.
6457 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6458 df_create_unused_note): New function.
6459 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6460 REG_DEAD and REG_UNUSED notes as well as register information.
6461 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6462 df_chains_dump): Fixed crash if problem was never run.
6463 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6464 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6465 df_ri_add_problem): Processes flags in uniform manner.
6466 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6467 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6468 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6469 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6470 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6471 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6472 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6473 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6474 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6475 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6476 * see.c (see_initialize_data): Ditto.
6477 * final.c (rest_of_clean_state) Added regstack_completed.
6478 * rtl.h (regstack_completed): Ditto.
6479 * reg-stack.c (regstack_completed): Ditto.
6481 2006-05-19 Mike Stump <mrs@apple.com>
6483 * c-tree.h (default_conversion): Remove.
6484 * c-common.h (default_conversion): Add.
6486 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6488 * tree-vrp.c (valid_value_p): New function.
6489 (adjust_range_with_scev): Fail if the value of bound is not
6492 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6494 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6495 (mips_fallback_frame_state): Use syscall numbers to determine
6496 the appropriate li instruction for the current ABI. Only use
6497 __NR_sigreturn for o32.
6499 2006-05-19 Nicolas Setton <setton@adacore.com>
6501 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6502 * langhooks.c (lhd_dwarf_name): New function.
6503 * langhooks-def.h (lhd_dwarf_name): Declare.
6504 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6505 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6506 * ada/misc.c (gnat_dwarf_name): New function.
6507 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6509 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6511 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6513 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6514 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6515 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6516 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6517 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6518 determine the size of Wtype, etc.
6519 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6520 (swfloatfuncs): New variable.
6521 (dwfloatfuncs): Likewise.
6522 (lib2funcs): Remove floating-point conversion functions from
6523 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6524 the set of conversion routines needed. Allow entries to specify
6525 an object name, filename and word size. Update users accordingly.
6526 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6527 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6531 2006-02-08 Roger Sayle <roger@eyesopen.com>
6534 * config/fixtfdi.c: New libgcc source file.
6535 * config/fixunstfdi.c: New source file.
6536 * config/floatditf.c: New source file.
6537 * config/floatunditf.c: New souce file.
6538 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6539 files above instead of config/mips/_tilib.c.
6540 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6542 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6544 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6545 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6547 2006-05-18 Mike Stump <mrs@apple.com>
6549 Fix up vla, vm and [*] sematics.
6555 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6556 (c_vla_unspec_p): Add.
6557 (c_vla_type_p): Add.
6558 * c-decl.c (struct c_scope): Add had_vla_unspec.
6559 (build_array_declarator): Add support for [*].
6560 (grokdeclarator): Likewise.
6561 (grokparms): Likewise.
6562 (get_parm_info): Likewise.
6563 * c-objc-common.c (c_vla_unspec_p): Likewise.
6564 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6565 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6566 typeof when argument is a variably modified type not inside sizeof or alignof.
6567 (c_parser_direct_declarator_inner): Propagate errors.
6568 (c_parser_sizeof_expression): Add support for [*].
6569 (c_parser_parms_declarator): Initialize had_vla_unspec.
6570 (c_parser_parms_list_declarator): Likewise.
6571 * c-typeck.c (c_vla_type_p): Add.
6572 (composite_type): Add support for vla compositing.
6573 (comptypes_internal): Add support for vla compatibility.
6574 (c_expr_sizeof_expr): Evaluate vla arguments.
6575 * tree.c (variably_modified_type_p): Update comment for [*].
6577 2006-05-18 Michael Matz <matz@suse.de>
6580 * config.host: Make assignments to host_xmake_file cumulative.
6581 * config.host (*-darwin*): Test $host, not $target.
6583 2006-05-12 Stuart Hastings <stuart@apple.com>
6585 * config/i386/i386.opt (-mstackrealign): New flag.
6586 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6587 (ix86_handle_cconv_attribute): Emit error when
6588 force_align_arg_pointer attribute collides with too many regparms.
6589 (ix86_function_regparm): Limit regparms when used with
6590 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6591 Support stack-realigning prologue in non-main functions. Emit
6592 warning for nested functions under -mstackrealign, emit error for
6593 nested functions with force_align_arg_pointer attribute.
6594 * doc/extend.texi (force_align_arg_pointer): Document it.
6595 * doc/invoke.texi (-mstackrealign): Document it.
6597 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6599 PR rtl-optimization/27477
6600 * combine.c (try_combine): Don't split a parallel consisting
6601 of two sets into two individual sets if both sets reference
6604 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6606 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6607 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6609 * doc/options.texi (VarExists): Updated.
6611 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6613 * unwind-dw2.c: Add declarations for uw_update_context and
6615 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6616 detected, advance frame state and context once to skip over stub.
6618 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6622 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6623 Call rewrite_into_loop_closed_ssa only when something changed.
6624 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6625 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6626 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6627 Test for perfect_nest_p here. Fix formating.
6628 (replace_uses_equiv_to_x_with_y): Fix formating.
6629 (stmt_uses_op): Removed.
6630 (can_convert_to_perfect_nest): Removed loopivs parameter.
6631 Complete the test by checking the scalar dependences.
6632 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6635 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6638 From Dan Kegel <dank@kegel.com>:
6639 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6641 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6643 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6644 if the element type is variably modified without recursing.
6646 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6649 * tree-loop-linear.c (try_interchange_loops): Test for
6650 no data dependences.
6652 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6654 PR tree-optimization/27548
6655 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6656 range of ssa names that appear on abnormal edges.
6657 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6658 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6660 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6663 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6665 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6668 * tree.h (OMP_PARALLEL_COMBINED): Define.
6669 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6670 (new_omp_context): Add is_combined_parallel argument.
6671 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6672 new_omp_context caller.
6673 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6674 Adjust gimplify_scan_omp_clauses callers.
6675 (omp_is_private): Issue errors if iteration variable is firstprivate
6676 or reduction in the current context.
6677 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6678 on combined parallel workshare constructs.
6680 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6682 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6683 (gcc-options.o): New rule.
6685 * optc-gen.awk: Protect variables for gcc-options.o with
6686 #ifdef GCC_DRIVER/#endif.
6688 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6690 Fix PR tree-optimization/27373
6691 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6692 (forward_propagate_addr_expr): Update call.
6694 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6696 * doc/options.texi: Move the Negative option.
6698 2006-05-16 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/22303
6701 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6703 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6704 ccp_fold did not simplify the statement.
6706 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6709 * Makefile.in (GCC_OBJS): New.
6710 (OBJS-common): Add opts-common.o.
6711 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6712 (cpp$(exeext)): Likewise.
6713 (gcc.o): Also depend on opts.h.
6714 (opts-common.o): New.
6716 * common.opt (gcoff): Add Negative(gdwarf-2).
6717 (gdwarf-2): Add Negative(gstabs).
6718 (gstabs): Add Negative(gstabs+).
6719 (gstabs+): Add Negative(gvms).
6720 (gvms): Add Negative(gxcoff).
6721 (gxcoff): Add Negative(gxcoff+).
6722 (gxcoff+): Add Negative(gcoff).
6723 * config/i386/i386.opt (m32): Add Negative(m64).
6724 (m64): Add Negative(m32).
6726 * doc/options.texi: Document the Negative option.
6728 * gcc.c: Include "opts.h".
6729 (main): Call prune_options after expandargv.
6731 * optc-gen.awk: Generate common declarations for all flag
6732 variables in options.c. Output the neg_index field.
6734 * opts.c (find_opt): Moved to ...
6735 * opts-common.c: Here. New file.
6737 * opts.h (cl_option): Add a neg_index field.
6739 (prune_options): Likewise.
6741 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6744 * omp-low.c (expand_omp_parallel): Don't assert
6745 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6746 instead search for it.
6749 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6752 2006-05-16 Andreas Schwab <schwab@suse.de>
6754 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6757 2006-05-15 Roger Sayle <roger@eyesopen.com>
6760 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6761 integer constants other than zero are only legitimate on TARGET_64BIT.
6762 <CONST_VECTOR> Only zero vectors are legitimate.
6763 (ix86_cannot_force_const_mem): Integral and vector constants can
6764 always be put in the constant pool.
6766 2006-05-16 DJ Delorie <dj@redhat.com>
6768 * crtstuff.c (__dso_handle): Set section from
6769 TARGET_LBIGCC_SDATA_SECTION if defined.
6770 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6771 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6773 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6776 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6779 2006-05-16 Ben Elliston <bje@au.ibm.com>
6781 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6783 2006-05-15 Per Bothner <per@bothner.com>
6785 * tree.c: (last_annotated_node): Use source_locus typedef.
6786 This permits bootstrapping with --enable-mapped-location.
6788 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6790 PR tree-optimization/26830
6791 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6792 (info_for_ssa_name, current_info_for_ssa_name_age,
6793 blocks_to_update): New variables.
6794 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6795 (clear_ssa_name_info, initialize_flags_in_bb,
6796 mark_block_for_update): New functions.
6797 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6798 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6799 prepare_def_site_for): Use mark_block_for_update.
6800 (mark_def_interesting): Assert that the processed block is marked in
6801 blocks_to_update. Do not take blocks argument.
6802 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6804 (rewrite_update_init_block, rewrite_update_stmt): Only process
6805 blocks with statements to rewrite.
6806 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6807 (update_ssa): Initialize and free blocks_to_update. Do not
6808 clear flags on statements. Do not use blocks bitmap.
6809 * tree.h (SSA_NAME_AUX): Removed.
6810 (struct tree_ssa_name): Removed aux field.
6811 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6813 2006-05-15 Richard Guenther <rguenther@suse.de>
6815 PR tree-optimization/27603
6816 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6817 Do computations in original type.
6819 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6821 * see.c: Code style changes such as redundant paranthesis,
6822 redundant intialization of local variables etc.
6823 (see_main): Declared now as static.
6824 * doc/invoke.texi: Update that -fsee is not enabled by
6827 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6829 * omp-low.c (check_omp_nesting_restrictions): New function.
6830 (scan_omp_1): Call it.
6833 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6834 construct, return *VAR.
6836 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6838 PR rtl-optimization/27406
6839 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6842 2006-05-14 Roger Sayle <roger@eyesopen.com>
6844 PR rtl-optimization/27538
6845 * combine.c (expand_compound_operation): Call gen_lowpart
6846 before calling simplify_shift_const.
6848 2006-05-14 Roger Sayle <roger@eyesopen.com>
6850 PR rtl-optimization/22563
6851 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6852 a fixed width bitfield, always force the intermediates into psuedos.
6854 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6857 * mkconfig.sh: Use operator = instead of == for test.
6859 2006-05-13 Nick Clifton <nickc@redhat.com>
6861 * dwarf2out.c (dbx_reg_number): Check return value from
6862 LEAF_REG_REMAP and only use it if it is valid.
6863 (multiple_reg_loc_descriptor): Likewise.
6865 2006-05-13 Richard Guenther <rguenther@suse.de>
6867 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6870 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6872 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6873 information attached to non-INSNs such as NOTEs.
6874 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6876 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6878 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6880 * config/s390/s390.md: Adjust comment describing On constraint.
6882 2006-05-11 Jan Hubicka <jh@suse.cz>
6884 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6885 to be output at -O0.
6887 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6890 * fold-const.c (size_binop): Move sanity check for arguments to
6891 the beginning of the function.
6894 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6897 2006-05-11 Richard Guenther <rguenther@suse.de>
6900 * fold-const.c (fold_unary): Handle intermediate conversion
6901 to a pointer type like intermediate conversion to an integer
6902 type in folding of (T1)(T2)var to var.
6903 Match the code to the comment in the final conversion for
6904 (T1)(T2)var to (T1)var regarding to type precision. Rather
6905 than disallow T1 being of pointer type, assert that both T1
6906 and var are of pointer type or not. Make sure not to fall
6907 over the frontends lazyness wrt array to pointer decay though.
6909 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6911 * arm.c (arm_struct_value_rtx): Delete.
6912 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6913 (arm_init_cumulative_args): Always initialize nregs to zero.
6915 2006-05-10 Richard Guenther <rguenther@suse.de>
6917 PR tree-optimization/27532
6918 * tree-object-size.c (plus_expr_object_size): Fix typo.
6920 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6923 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6924 ashrdi_const, ashrdi3): Use a scratch register.
6926 2006-05-10 Richard Guenther <rguenther@suse.de>
6928 PR tree-optimization/27302
6929 * fold-const.c (operand_equal_p): For two comparisons,
6930 try comparison of one comparison code swapped if that yields
6933 2006-05-10 Ben Elliston <bje@au.ibm.com>
6935 * tree-pretty-print.c (pretty_print_string): No need to handle
6936 '\0' as a special character.
6938 * tree.h: Include "hashtab.h".
6939 (iterative_hash_expr): Use hashval_t in its prototype.
6940 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6942 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6945 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6946 (hppa*64*-*-hpux11*): Ditto.
6947 (hppa[12]*-*-hpux11*): Ditto.
6949 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6952 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6954 2006-05-09 Michael Matz <matz@suse.de>
6956 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6957 host_extra_gcc_objs and host_xmake_file.
6958 (<*-*-linux*>): Don't overwrite host_xmake_file.
6959 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6960 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6961 (host_detect_local_cpu): Declare.
6962 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6963 * config/i386/i386.c (override_options): Handle -mtune=native
6965 * config/i386/x-i386: New file.
6966 * config/i386/driver-i386.c: New file.
6967 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6970 2006-05-09 Dirk Mueller <dmueller@suse.de>
6971 Richard Guenther <rguenther@suse.de>
6974 * fold-const.c (fold_read_from_constant_string): Relax check
6975 for matching types to matching modes.
6977 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6979 PR rtl-optimization/27335
6980 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6983 2006-05-08 Chao-ying Fu <fu@mips.com>
6984 Richard Sandiford <richard@codesourcery.com>
6986 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6987 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6988 * config/mips/mips.md (UNSPEC_SCC): New constant.
6989 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6990 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6991 (mips_emit_compare): Use it.
6992 (mips_expand_vcondv2sf): New function.
6994 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6996 Fix PR tree-optimization/27093
6997 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6998 renaming when they become not-used_alone.
7000 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7002 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7003 relocation and relocation stubs.
7005 2006-05-08 Eric Christopher <echristo@apple.com>
7007 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7010 2006-05-08 Jan Hubicka <jh@suse.cz>
7013 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7014 unused static functions are needed.
7016 2006-05-08 Roger Sayle <roger@eyesopen.com>
7019 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7020 of a reg_equiv_constant if the result is a legitimate constant.
7022 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7025 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7026 standard 80387 constants, raise the cost to prevent
7027 compress_float_constant() to generate load from memory.
7029 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7031 * config/arm/constraints.md (c): Fix a typo.
7033 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7036 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7039 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7041 (_mm_mwait): Likewise.
7043 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7045 (sse3_monitor): Make it 32bit only.
7046 (sse3_monitor64): New. 64bit monitor.
7048 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7051 * config/i386/i386.c (classify_argument): Skip fields with invalid
7054 2006-05-07 Richard Guenther <rguenther@suse.de>
7056 PR tree-optimization/27409
7057 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7058 Do not try to find zero-sized subvars.
7060 2006-05-07 Richard Guenther <rguenther@suse.de>
7062 PR tree-optimization/27136
7063 * tree-ssa-loop-niter.c (get_val_for): Correct function
7064 comment, assert requirements.
7065 (loop_niter_by_eval): Stop processing if the iterated
7066 value did not simplify.
7068 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7070 * opts.c (flag_see): remove its setting at -O3.
7072 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7074 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7075 * arm/constraints.md: New file.
7076 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7077 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7078 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7079 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7080 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7081 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7082 * arm.md: Include constraints.md.
7083 (thumb_movsi_insn): Use satisfies_constraint_J.
7084 (movhi, movqi): Use satisfies_constraint_I.
7086 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7088 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7089 for atmeg a645 device.
7091 2006-05-06 Richard Guenther <rguenther@suse.de>
7093 PR tree-optimization/27151
7094 * tree-vect-transform.c (vectorizable_condition): Punt on
7095 values that have a different type than the condition.
7097 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7100 * c-parser.c (c_parser_cast_expression): Only insert casts into
7101 hash table if pointer.
7102 * function.c (used_types_insert_helper): Rename from
7104 (used_types_insert): Call used_types_insert_helper.
7105 * function.h (used_types_insert): Accept only one argument.
7107 2006-05-05 David Edelsohn <edesohn@gnu.org>
7109 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7110 scratch with output modifier.
7112 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7115 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7116 with output modifier.
7118 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7121 * config/mips/mips.c (mips_symbolic_address_p): Return true
7122 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7123 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7125 2006-05-04 Richard Guenther <rguenther@suse.de>
7127 PR tree-optimization/14287
7128 PR tree-optimization/14844
7129 PR tree-optimization/19792
7130 PR tree-optimization/21608
7131 PR tree-optimization/27090
7132 * tree-ssa-pre.c (try_combine_conversion): New function.
7133 (compute_avail): After constructing the value-handle
7134 expression, use try_combine_conversion to combine NOP_EXPRs
7135 with previous value-handle expressions and use the result if it
7138 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7140 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7142 2006-05-04 Jan Hubicka <jh@suse.cz>
7145 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7147 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7149 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7150 that this only matches CONST_INTs. All users changed to VOIDmode
7153 * config/bfin/bfin.c: Include "optabs.h".
7154 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7156 (enum bfin_builtins): Add a number of fractional and vector builtins.
7157 (bfin_init_builtins): Likewise.
7158 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7159 (safe_vector_operand, bfin_expand_binop_builtin,
7160 bfin_expand_unop_builtin): New functions.
7161 (bfin_expand_builtin): Handle the new builtins.
7162 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7165 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7168 * Makefile.in (OBJS-common): Add see.o.
7169 (see.o): Add dependencies.
7170 * common.opt (fsee): New flag for the see optimization was added.
7171 * opts.c (flag_see): Initialized.
7172 * passes.c (init_optimization_passes, pass_see): New pass.
7173 * rtl.h (see_main): Declaration as extern.
7174 * timevar.def (TV_SEE): New.
7175 * tree-pass.h (pass_see): Declaration as extern.
7176 * invoke.texi (-fsee): Document.
7177 * recog.c (validate_simplify_insn): New function.
7178 * recog.h (validate_simplify_insn): Declaration as extern.
7179 * df-problems.c (df_chain_dump): Check for NULL.
7181 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7182 Daniel Berlin <dberlin@dberlin.org>
7184 * cfgrtl.c (insert_insn_bb_end_new): New function.
7185 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7187 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7189 * df.h (struct web_entry): Moved from web.c.
7190 (union_defs): Declaration as extern.
7191 (unionfind_root): Likewise.
7192 (unionfind_union): Likewise.
7193 * web.c (struct web_entry): Moved to df.h.
7194 (unionfind_root): Remove static declaration.
7195 (unionfind_union): Likewise.
7196 (union_defs): Likewise and generalize to use callback function.
7197 (web_main): Update arguments for union_defs function call.
7199 2006-05-04 Richard Guenther <rguenther@suse.de>
7201 PR tree-optimization/26447
7202 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7203 produce SSA_NAME copies before the store stmt to avoid
7204 breaking exception handling.
7206 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7209 * gimplify.c (omp_is_private): If var is shared in some outer context,
7210 return false instead of true. Stop searching on parallel context
7213 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7216 * coverage.c: Use get_gcov_unsigned_t() instead of
7217 unsigned_type_node all over.
7219 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7221 PR tree-optimization/27381
7222 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7223 maintain the same immediate_use links.
7224 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7225 node rather than segfaulting.
7227 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7230 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7231 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7232 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7234 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7236 Fix PR tree-optimization/26626
7237 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7239 * tree-ssa-operands.c (access_can_touch_variable): Allow
7240 typecasting through union pointers.
7242 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7245 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7246 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7247 to find if var will be a global variable even in the nested context.
7248 (omp_copy_decl): Only check for global variable at the end, it might
7249 be overridden in outer contexts.
7250 (scan_sharing_clauses): For global variables don't create a field.
7251 (lower_rec_input_clauses): Do nothing for global shared variables.
7252 Emit a barrier at the end of ILIST if there were any decls in both
7253 firstprivate and lastprivate clauses.
7254 (lower_send_clauses): Do nothing for global variables except for
7257 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7259 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7260 of the correct signedness is returned.
7262 2006-05-02 Jeff Law <law@redhat.com>
7264 PR tree-optimization/27364
7265 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7266 multiply expressions.
7268 2006-05-02 Tom Tromey <tromey@redhat.com>
7270 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7272 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7275 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7276 -mthumb -fPIC are used.
7278 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7279 Joshua Kinard <kumba@gentoo.org>
7282 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7283 with 64-bit pointers.
7285 2006-05-02 Paul Brook <paul@codesourcery.com>
7287 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7289 (create_fix_barrier): Check that a suitable barrier location is
7291 (arm_reorg): Include ftmp->address in allowable range of addresses.
7293 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7296 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7299 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7302 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7303 around RESULT_DECL for result passed by reference.
7304 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7305 * omp-low.c (use_pointer_for_field): Don't look at
7306 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7307 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7308 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7309 time or var for passing by reference for
7310 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7311 TREE_ADDRESSABLE variables when passing by reference.
7313 * omp-low.c (dump_omp_region): Fix output formatting.
7316 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7317 (expand_omp_parallel): Likewise.
7318 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7321 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7322 on statement list containing also constructors and destructors.
7323 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7326 * except.c (duplicate_eh_regions): Fix clearing of
7327 cfun->eh->region_array entries.
7329 2006-05-01 DJ Delorie <dj@redhat.com>
7331 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7333 (gcc_cv_objdump): Likewise.
7334 * configure: Regenerated.
7336 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7339 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7340 templates for case 3 and 4.
7342 2006-05-01 DJ Delorie <dj@redhat.com>
7344 * vec.c: Include bconfig.h when appropriate.
7345 * Makefile.in (build/vec.o): Adjust dependencies.
7346 * mkconfig.sh: Make sure config.h isn't used for build machine
7349 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7351 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7353 (mark_phi_for_rewrite): New function.
7354 (insert_phi_nodes_for, mark_use_interesting): Call
7355 mark_phi_for_rewrite.
7356 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7357 (update_ssa): Initialize and free phis_to_rewrite.
7359 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7361 PR rtl-optimization/27291
7362 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7363 folded to a constant.
7365 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7367 PR tree-optimization/27283
7368 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7369 not whole # of iteration descriptions.
7370 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7371 uses abnormal ssa name.
7372 (niter_for_single_dom_exit): Ditto.
7373 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7374 return just the number of iterations.
7376 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7378 PR tree-optimization/27144
7379 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7380 (record_estimate): Only record constant upper bound.
7381 (infer_loop_bounds_from_undefined): Call
7382 compute_estimated_nb_iterations just once.
7383 (proved_non_wrapping_p): Renamed to ...
7384 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7385 (convert_step_widening, scev_probably_wraps_p): Call
7386 n_of_executions_at_most instead of proved_non_wrapping_p.
7387 (substitute_in_loop_info): Do not replace values in bounds.
7388 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7391 2006-05-01 Richard Henderson <rth@redhat.com>
7394 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7395 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7398 2006-05-01 Roger Sayle <roger@eyesopen.com>
7400 * c-typeck.c (parser_build_binary_op): Don't call the function
7401 unsigned_conversion_warning to spot operand/result type overflow.
7402 (build_binary_op): Instead, call convert_and_check instead of
7403 convert to report the problem when the operands are promoted.
7404 * c-common.c (unsigned_conversion_warning): Make static.
7405 * c-common.h (unsigned_conversion_warning): Delete prototype.
7407 2006-05-01 Richard Guenther <rguenther@suse.de>
7409 PR tree-optimization/26726
7410 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7412 (find_interesting_uses_address): ... we work around here
7413 by folding INDIRECT_REFs in the substituted base.
7415 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7417 * omp-low.c (dump_omp_region): Add newlines.
7419 2006-04-30 Roger Sayle <roger@eyesopen.com>
7421 * common.opt (Woverflow): New command line option.
7422 * c-common.c (constant_expression_warning): Check warn_overflow.
7423 (overflow_waring): Pass OPT_Woverflow to warning.
7424 (unsigned_conversion_warning): Likewise.
7425 (convert_and_check): Likewise.
7426 * doc/invoke.texi: Document new command line option.
7428 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7430 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7431 TARGET_NO_FP_IN_TOC for section anchors.
7432 (optimization_options): Enable section anchors for all
7433 non-"Objective" languages.
7435 2006-04-28 Eric Christopher <echristo@apple.com>
7437 * config/darwin-c.c (darwin_ms_struct): Move this
7438 (darwin_set_default_type_attributes): and this...
7439 * config/darwin.c: ... here.
7440 * config/darwin.h (darwin_ms_struct): Declare.
7442 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7444 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7446 2006-04-28 Roger Sayle <roger@eyesopen.com>
7449 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7450 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7451 an unsigned HOST_WIDE_INT.
7452 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7454 (really_start_incremental_init): No need to call convert because
7455 bitsize_zero_node is already of type bitsizetype.
7456 (push_init_level): Extract the value of constructor_index as an
7457 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7458 (process_init_element): Likewise.
7460 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7462 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7463 value before passing to make_relative_prefix.
7465 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7468 * builtins.c (expand_builtin_memset): Expand val in original mode.
7470 2006-04-27 Eric Christopher <echristo@apple.com>
7472 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7473 with #ifndef/#endif.
7474 * config/darwin-c.c (darwin_ms_struct): New.
7475 (darwin_pragma_ms_struct): Ditto.
7476 (darwin_set_default_type_attributes): Ditto.
7477 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7478 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7479 Register ms_struct pragma.
7480 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7481 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7482 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7483 darwin_set_default_type_attributes if TARGET_MACHO.
7485 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7487 PR tree-optimization/26854
7488 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7489 * doc/tree-ssa.texi: Update immuse iterator documentation.
7490 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7491 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7492 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7493 first_safe_imm_use, next_safe_imm_use): Remove.
7494 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7495 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7496 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7497 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7498 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7499 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7500 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7501 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7502 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7503 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7504 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7505 (perfect_nestify): Use new iterator.
7506 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7508 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7509 (next_imm_name): New field in struct immediate_use_iterator_d.
7510 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7511 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7512 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7513 * tree-cfg.c (replace_uses_by): Use new iterator.
7514 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7515 * tree-ssa-operands.c (correct_use_link): Remove.
7516 (finalize_ssa_use_ops): No longer call correct_use_link.
7518 2006-04-27 Stuart Hastings <stuart@apple.com>
7520 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7521 * config/t-darwin (crt3.o): Use it.
7522 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7523 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7524 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7525 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7526 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7529 2006-04-27 Roger Sayle <roger@eyesopen.com>
7531 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7532 size, force the intermediate into a new pseudo rather instead of
7533 performing both a bitwise AND and a bitwise IOR in memory.
7535 2006-04-27 Richard Guenther <rguenther@suse.de>
7537 PR rtl-optimization/26685
7538 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7539 this one "max-flow-memory-locations".
7541 2006-04-27 Richard Guenther <rguenther@suse.de>
7543 PR tree-optimization/25148
7544 * tree-vrp.c (compare_values): Remove code dealing with
7545 comparisons against type min/max value. Honour overflow
7546 and negative constants in code dealing with comparisons
7547 of plus and minus expressions.
7548 (value_inside_range): Use fold_binary with LE_EXPR and
7549 GE_EXPR rather than compare_values.
7551 2006-04-27 Dirk Mueller <dmueller@suse.de>
7553 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7556 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7558 * basic-block.h (safe_insert_insn_on_edge): Removed.
7559 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7561 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7562 Paolo Bonzini <bonzini@gnu.org>
7565 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7566 (simplify_and_const_int): Same.
7568 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7570 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7572 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7575 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7576 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7577 cgraph_global_info_ready.
7580 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7583 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7584 either decl or init is error_mark_node.
7587 * tree-flow.h (struct omp_region): Add sched_kind.
7588 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7589 instead of extracting omp for data.
7590 (expand_omp_for): Save extracted sched_kind.
7592 2006-04-25 Roger Sayle <roger@eyesopen.com>
7594 * expmed.c (store_bit_field): Also check whether the bitsize is
7595 valid for the machine's "insv" instruction before moving the
7596 target into a pseudo for use with the insv.
7597 * config/i386/predicates.md (const8_operand): New predicate.
7598 * config/i386/i386.md (extv, extzv, insv): Use the new
7599 const8_operand predicate where appropriate.
7601 2006-04-25 DJ Delorie <dj@redhat.com>
7603 * doc/install.texi (Specific): Clarify that this is not a list of
7604 supported hosts or targets.
7606 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7608 PR rtl-optimization/26725
7609 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7610 block's BB_DIRTY flag.
7612 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7614 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7617 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7618 to print an integer.
7620 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7622 * varasm.c (align_variable): New function.
7623 (get_block_for_decl): Apply align_variable to DECL before
7624 calculating section information.
7625 (assemble_variable): Split out alignment computation.
7627 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7629 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7632 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7634 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7635 MODE_PARTIAL_INT mode.
7636 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7637 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7639 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7640 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7642 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7644 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7646 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7647 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7648 MACFLAG_IH): Likewise.
7649 (movstricthi_1): Renamed from "*movstricthi".
7650 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7651 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7652 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7653 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7654 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7655 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7656 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7657 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7658 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7659 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7660 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7661 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7662 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7663 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7664 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7666 * doc/rtl.texi (ss_ashift): Improve wording.
7668 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7670 * dwarf2out.c (verify_marks_clear): New.
7671 (prune_unused_types): Call verify_marks_clear initially, not
7674 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7676 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7677 * doc/rtl.texi: Document them.
7678 * simplify-rtx.c (simplify_unary_operation,
7679 simplify_binary_operation_1): Don't abort when we see them.
7681 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7684 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7685 * configure.ac: Completely disregard languages that are not
7687 * configure: Regenerated.
7689 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7690 Richard Guenther <rguenther@suse.de>
7692 PR tree-optimization/27236
7693 * tree-inline.c (copy_body_r): Make sure to copy
7694 TREE_THIS_VOLATILE flag.
7696 2006-04-24 Richard Guenther <rguenther@suse.de>
7699 * tree-complex.c (update_parameter_components): Don't handle
7700 unused parameters which have no default def.
7702 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7703 Richard Guenther <rguenther@suse.de>
7705 PR tree-optimization/27218
7706 * tree-inline.c (expand_call_inline): Strip useless type
7707 conversions for the return slot address.
7709 2006-04-24 Richard Guenther <rguenther@suse.de>
7711 * cfgloop.h (struct loops): Remove unused field array. Reorder
7713 (LOOP_PREFETCH): Remove.
7715 2006-04-24 Richard Guenther <rguenther@suse.de>
7717 PR tree-optimization/22525
7718 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7719 variable, adjust types of generated expressions.
7721 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7723 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7724 (tree-vect-patterns.o): Likewise.
7726 (cselib.o): Likewise.
7727 (loop-doloop.o): Likewise.
7728 (regclass.o): Likewise.
7729 (reload1.o): Likewise.
7730 (explow.o): Replace target.h with $(TARGET_H).
7731 (ipa-prop.o): Likewise.
7732 (ipa-cp.o): Likewise.
7733 (ipa-inline.o): Likewise.
7734 (reorg.o): Likewise.
7735 (reg-stack.o): Likewise.
7737 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7739 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7741 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7743 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7745 * configure.ac: Completely disregard languages that are not
7747 * configure: Regenerated.
7750 * c-common.h (c_build_bitfield_integer_type): Declare.
7751 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7752 * c-common.c (c_build_bitfield_integer_type): ... here.
7754 2006-04-23 Roger Sayle <roger@eyesopen.com>
7757 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7758 a SImode SUBREG of a floating point register after no_new_pseudos.
7760 2006-04-23 Roger Sayle <roger@eyesopen.com>
7762 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7763 identify potentially eliminable registers to additionally catch
7764 VIRTUAL_INCOMING_ARGS_REGNUM.
7765 (addsi3): Update the conditions on when to use addsi_small_int.
7767 2006-04-23 Roger Sayle <roger@eyesopen.com>
7770 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7771 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7772 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7774 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7776 * fold-const.c (range_predecessor): Use operand_equal_p
7777 as the predicate for equality.
7778 (range_successor): Likewise.
7780 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7783 * config/soft-fp/op-common.h: Fix a typo.
7785 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7788 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7789 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7791 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7793 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7795 * doc/tm.texi: Fix a typo.
7797 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7799 * dwarf2out.c (struct die_struct): Document that die_sib makes
7800 a circular linked list.
7801 (FOR_EACH_CHILD): New.
7802 (reverse_die_lists): Delete.
7803 (reverse_all_dies): Delete.
7804 (add_dwarf_attr): Correct documentation.
7805 (remove_child_with_prev): New.
7806 (remove_child_TAG): Update for change to die_struct, use
7807 remove_child_with_prev.
7808 (add_child_die): Update for change to die_struct.
7809 (splice_child_die): Use remove_child_with_prev and add_child_die.
7810 (print_die): Use FOR_EACH_CHILD.
7811 (die_checksum): Likewise.
7812 (assign_symbol_names): Likewise.
7813 (output_location_lists): Likewise.
7814 (build_abbrev_table): Likewise.
7815 (calc_die_sizes): Likewise.
7816 (mark_dies): Likewise.
7817 (unmark_dies): Likewise.
7818 (unmark_all_dies): Likewise.
7819 (output_die): Likewise.
7820 (prune_unused_types_mark): Likewise.
7821 (prune_unused_types_walk): Likewise.
7822 (same_die_p): Update for change to die_struct.
7823 (break_out_includes): Likewise.
7824 (prune_unused_types_prune): Likewise.
7825 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7826 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7828 (dwarf2out_finish): Don't call reverse_all_dies.
7830 2006-04-21 Eric Christopher <echristo@apple.com>
7832 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7833 in comments and function names.
7835 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7838 * c-typeck.c (digest_init): Robustify.
7840 * c-typeck.c (pop_init_level): Simplify.
7842 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7844 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7846 2006-04-21 Paul Brook <paul@codesourcery.com>
7848 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7849 hardware floating point.
7851 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7853 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7856 2006-04-21 Nick Clifton <nickc@redhat.com>
7858 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7861 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7864 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7865 C++ lang type in traceback table for Objective-C++.
7867 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7869 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7871 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7873 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7876 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7877 were errors. Remove check for erroneous objects.
7879 2006-04-20 Jeff Law <law@redhat.com>
7881 PR tree-optimization/26854
7882 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7883 checking for zero or one use.
7884 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7885 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7886 * tree-ssa-reassoc.c (negate_value): Similarly.
7887 (reassociate_bb): Similarly.
7889 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7891 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7892 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7893 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7895 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7897 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7898 fp regs if the last fp arg doesn't fit in regs.
7900 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7903 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7904 that the last insn has the REG_INC note.
7906 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7907 Nathan Sidwell <nathan@codesourcery.com>
7910 * stor-layout.c (update_alignment_for_field): Do not align
7912 (place_union_field): Place union field at the start of the union.
7913 (place_field): Move ERROR_MARK check later, and use the current
7914 allocation position to maintain monotonicity.
7916 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7918 * dominance.c: Include timevar.h.
7919 (calculate_dominance_info): Use TV_DOMINANCE.
7920 * timevar.def (TV_DOMINANCE): New timevar.
7921 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7923 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7925 PR rtl-optimization/14261
7926 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7927 move would be an INSV insn.
7928 (noce_process_if_block): Don't optimize if the destination is a
7929 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7931 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7933 * config/s390/s390.md: Add comments with the instructions emitted
7934 by an insn pattern if macros are used.
7936 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7938 PR rtl-optimization/26026
7939 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7940 is a known power of two shifted left a variable amount.
7942 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7944 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7945 to hash table twice when the debug_str section has SECTION_MERGE.
7947 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7949 * config/soft-fp: New directory. From glibc.
7950 * config/soft-fp/t-softfp: New.
7951 * config/soft-fp/README: New.
7952 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7953 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7954 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7955 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7956 * config.gcc: Use rs6000/t-fprules-fpbit or
7957 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7959 * config/rs6000/sfp-machine.h: New. Based on glibc.
7960 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7962 * config/rs6000/t-fprules: Remove fp-bit rules.
7963 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7964 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7965 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7966 (softfp_wrap_start, softfp_wrap_end): New.
7968 2006-04-18 DJ Delorie <dj@redhat.com>
7970 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7972 2006-04-18 Devang Patel <dpatel@apple.com>
7974 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7976 2006-04-18 Nick Clifton <nickc@redhat.com>
7978 * config/sh/t-symbian: Add rule to build sh-c.o
7979 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7980 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7981 (sh_symbian_encode_section_info): Likewise.
7983 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7985 * builtins.c (expand_builtin_strcmp): Cover label definition of
7986 do_libcall with HAVE_cmpstrnsi.
7988 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7990 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7992 * function.h (temp_slot_p): New.
7993 (function): Change the type of x_used_temp_slots to
7994 VEC(temp_slot_p,gc) *.
7996 2006-04-18 Nick Clifton <nickc@redhat.com>
7998 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7999 flag_strength_reduce.
8001 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8003 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8007 Partial revert of revision 112637
8008 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8009 Dale Johannesen <dalej@apple.com>
8012 * regclass.c (struct reg_pref): Update documentation.
8013 (regclass): Set prefclass to NO_REGS if memory is the best option.
8014 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8016 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8018 PR tree-optimization/26821
8019 * tree-ssa-math-opts.c (get_constant_one): New.
8020 (insert_reciprocals): Use it.
8022 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8024 * dwarf2out.c (free_AT): Delete.
8025 (remove_AT): Update string ref counts.
8026 (remove_child_TAG): Don't call free_die.
8028 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8029 or DW_TAG_GNU_EINCL.
8030 (prune_unused_types_walk_attribs): Reset string refcounts.
8031 (prune_unused_types_update_strings): New.
8032 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8033 call free_die. Do call prune_unused_types_update_strings.
8034 (prune_unused_types): Empty debug_str_hash.
8036 2006-04-17 Roger Sayle <roger@eyesopen.com>
8038 * expr.c (expand_assignment): Optimize away no-op moves where the
8039 source and destination are equal and have no side-effects.
8041 2006-04-17 Richard Guenther <rguenther@suse.de>
8044 * reload.c (push_reload): Guard calls to get_secondary_mem
8047 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8049 * alias.c (reg_base_value, old_reg_base_value): Change the
8050 type to VEC(rtx,gc) *.
8051 (REG_BASE_VALUE, find_base_value, record_set,
8052 init_alias_analysis): Use VEC instead of VARRAY.
8054 * alias.c (alias_sets): Change the type to
8055 VEC(alias_set_entry,gc) *.
8056 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8057 VEC instead of VARRAY.
8058 (last_alias_set): Remove.
8060 * cgraph.h (cgraph_edge_p): New.
8061 Update the prototype of cgraph_function_versioning.
8062 * cgraphunit.c (cgraph_copy_node_for_versioning,
8063 cgraph_function_versioning): Use VEC instead of VARRAY.
8064 * ipa-cp.c (ipcp_insert_stage): Likewise.
8066 2006-04-16 Roger Sayle <roger@eyesopen.com>
8069 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8070 "A op B" or "A op C", we may need to convert A to the type of B and C.
8072 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8074 * target.h (struct gcc_target): Add mode_rep_extended.
8075 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8076 (init_num_sign_bit_copies_in_rep): Initialize it using
8078 (truncate_to_mode): Use it.
8079 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8080 * targhooks.h (default_mode_rep_extended): Declare it.
8081 * targhooks.c (default_mode_rep_extended): Define it.
8082 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8083 default_mode_rep_extended.
8084 (TARGET_INITIALIZER): Include it.
8085 * doc/tm.texi (Misc): Document it.
8086 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8087 (mips_truncated_to_mode): New function.
8089 2006-04-16 Roger Sayle <roger@eyesopen.com>
8092 * expr.c (compress_float_constant): Copy the narrow constant into
8093 a new pseudo before extending it to its final width.
8095 2006-04-16 Roger Sayle <roger@eyesopen.com>
8096 Andrew Pinski <pinskia@gcc.gnu.org>
8097 Dale Johannesen <dalej@apple.com>
8100 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8101 special case code to implement V8HImode and V16QImode with SSE2.
8103 2006-04-15 Roger Sayle <roger@eyesopen.com>
8105 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8106 trees are constructed with a suitable tree type.
8108 2006-04-15 Roger Sayle <roger@eyesopen.com>
8110 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8111 (integer_onep): Likewise.
8112 (integer_all_onesp): Likewise.
8113 (integer_pow2p): Likewise.
8114 (integer_nonzerop): Likewise.
8115 (real_zerop): Likewise.
8116 (real_onep): Likewise.
8117 (real_twop): Likewise.
8118 (real_minus_onep): Likewise.
8119 (int_size_in_bytes): Likewise.
8120 (host_integerp): Likewise.
8122 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8124 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8125 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8126 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8128 * tree-ssa-structalias.h (alias_info): Remove num_references.
8130 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8132 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8133 (output_bvb patterns): Likewise.
8134 * pa.c (output_bb): Use 'bb' insn for long branch case.
8135 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8136 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8137 1. Correct length operand for alternatives 1 and 2.
8138 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8139 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8141 2006-04-14 Roger Sayle <roger@eyesopen.com>
8143 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8144 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8145 were accidentally reverted by r112959.
8147 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8150 * except.h (eh_region_outermost): New prototype.
8151 * except.c (eh_region_outermost): New function.
8152 * tree-cfg.c (find_outermost_region_in_block): Use it.
8154 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8156 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8158 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8159 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8160 (init_reload, reload): Use VEC instead of VARRAY.
8161 * reload.h: Update the prototype for
8162 reg_equiv_memory_loc_varray.
8164 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8165 Eric Botcazou <ebotcazou@libertysurf.fr>
8167 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8170 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8173 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8174 to expand fallback builtin function call.
8176 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8179 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8180 and emit libcall here in case the builtin fails.
8181 (expand_builtin_strcmp): Always emit the libcall here on failure.
8183 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8185 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8186 * flow.c (reg_n_info): Change the type to
8187 VEC(reg_info_p,heap) *.
8188 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8190 * regs.h (reg_info_p): New.
8191 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8192 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8193 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8196 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8198 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8200 * params.h (MAX_SCHED_READY_INSNS): New macro.
8201 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8202 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8203 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8204 the ready list for 1 cycle during the first scheduling pass.
8205 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8207 2006-04-13 Richard Henderson <rth@redhat.com>
8210 * gimple-low.c (lower_omp_directive): Remove dead code.
8211 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8212 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8213 * omp-low.c (struct omp_region): Move to tree-flow.h.
8214 (root_omp_region): Export.
8215 (omp_regions, lookup_omp_region): Remove.
8216 (determine_parallel_type): Update for struct omp_region changes.
8217 (dump_omp_region): Dump regions with block numbers.
8218 (new_omp_region): Take type and block instead of stmt; malloc
8220 (free_omp_region_1, free_omp_regions): New.
8221 (expand_parallel_call): Take entry_stmt as argument; update for
8222 changes to omp_region.
8223 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8224 (remove_exit_barriers): New.
8225 (expand_omp_parallel): Update for struct omp_region changes.
8226 (expand_omp_synch): Likewise.
8227 (expand_omp): Likewise.
8228 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8229 (expand_omp_for_static_chunk): Likewise.
8230 (expand_omp_for): Likewise.
8231 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8232 (expand_omp_sections): Similarly, with GOMP_sections_end.
8233 (expand_omp_single): New.
8234 (build_omp_regions_1): Update for OMP_CONTINUE.
8235 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8236 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8237 OMP_SECTIONS_SECTIONS.
8238 (lower_omp_single_simple): Don't emit barrier here.
8239 (lower_omp_single_copy): Likewise.
8240 (lower_omp_single): Fix bindings, and lower to straightline now.
8241 (lower_omp_master, lower_omp_ordered): Likewise.
8242 (lower_omp_critical): Likewise.
8243 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8244 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8245 omp edges, free it afterward.
8246 (make_omp_sections_edges): Remove.
8247 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8248 (move_stmt_r): Handle OMP_CONTINUE.
8249 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8250 statement pointers to basic blocks. Add type member.
8251 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8252 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8253 * tree-inline.c (estimate_num_insns_1): Likewise.
8254 * tree-pretty-print.c (dump_generic_node): Likewise.
8255 * tree-ssa-operands.c (get_expr_operands): Likewise.
8256 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8257 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8258 (OMP_CONTINUE): New.
8259 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8260 (OMP_SECTIONS_SECTIONS): Remove.
8261 (OMP_SECTION_LAST): New.
8262 (OMP_RETURN_NOWAIT): New.
8264 2006-04-13 Roger Sayle <roger@eyesopen.com>
8266 * fold-const.c (native_encode_vector, native_interpret_real):
8267 Correct obvious mistakes in the previous check-in.
8269 2006-04-13 Roger Sayle <roger@eyesopen.com>
8271 * fold-const.c (native_encode_expr): New function to encode
8272 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8273 or VECTOR_CST into a specified buffer.
8274 (native_encode_int): New function.
8275 (native_encode_real): New function.
8276 (native_encode_complex): New function.
8277 (native_encode_vector): New function.
8278 (native_interpret_expr): Inverse of native_encode_expr to convert
8279 a target representation into an INTEGER_CST, REAL_CST etc...
8280 (native_interpret_int): New function.
8281 (native_interpret_real): New function.
8282 (native_interpret_complex): New function.
8283 (native_interpret_vector): New function.
8284 (fold_view_convert_expr): New function to constant fold/evaluate
8285 a VIEW_CONVERT_EXPR of a suitable constant expression.
8286 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8287 Change call of build1 to fold_build1 when constructing a
8290 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8291 Ulrich Weigand <uweigand@de.ibm.com>
8294 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8297 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8300 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8301 optimize to lo_sum for DFmode if !TARGET_FPRS.
8303 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8305 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8306 delete_alias_info, compute_flow_sensitive_aliasing,
8307 group_aliases): Use VEC instead of VARRAY.
8308 * tree-ssa-structalias.c (update_alias_info): Likewise.
8309 * tree-ssa-structalias.h (alias_info): Change the type of
8310 processed_ptrs to VEC(tree,heap) *.
8312 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8315 * config/sh/lib1funcs.h: New file, broken out of:
8316 * config/sh/lib1funcs.asm.
8317 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8319 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8320 * config/sh/lib1funcs-Os-4-200.asm: New file.
8321 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8322 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8323 (EXTRA_MULTILIB_PARTS): Include it.
8324 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8325 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8326 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8327 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8330 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8332 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8333 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8334 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8336 * tree-ssa-live.h: Include vecprim.h.
8337 (tree_partition_associator_d): Change the type of
8338 first_partition to VEC(int,heap) *.
8339 (tpa_first_partition): Use VEC instead of VARRAY.
8341 * Makefile.in (GTFILES): Move functions.h after tree.h.
8342 * function.c (reset_block_changes, record_block_change,
8343 check_block_change, free_block_changes): Use VEC instead of
8345 * function.h (function): Change the type of
8346 ib_boundaries_block to VEC(tree,gc) *.
8347 * tree-inline.c (copy_cfg_body): Initialize
8348 ib_boundaries_block to NULL instead of (varray_type) 0.
8350 2006-04-12 Roger Sayle <roger@eyesopen.com>
8352 * expr.c (emit_group_store): Correct operand order in call to
8353 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8354 a SUBREG_BYTE of zero.
8356 2006-04-12 Richard Guenther <rguenther@suse.de>
8358 * profile.c (compute_branch_probabilities): Remove code
8359 encapsulated in !ir_type (), which are remanents of the
8360 removed RTL profiling code.
8361 * rtl-profile.c: Remove.
8363 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8365 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8366 magic NULL_RTX comment.
8367 (function_arg): Store entire fp arg to mem if any part should go
8369 (rs6000_arg_partial_bytes): Adjust for above change.
8371 2006-04-11 Roger Sayle <roger@eyesopen.com>
8373 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8374 if it hasn't been initialized by dwarf2out_init.
8376 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8378 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8379 symbolic constants in branch patterns.
8381 2006-04-11 Roger Sayle <roger@eyesopen.com>
8383 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8385 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8387 PR rtl-optimization/27073
8388 * gcse.c (try_replace_reg): Revert last change. Continue to search
8389 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8392 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8394 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8395 aggregate types other than record and union types.
8396 (function_arg): Likewise.
8397 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8399 (function_value): In 64-bit mode, return objects that require it
8402 2006-04-11 Roger Sayle <roger@eyesopen.com>
8404 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8406 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8408 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8410 2006-04-03 Jeff Law <law@redhat.com>
8413 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8414 alias information too.
8416 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8418 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8420 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8423 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8424 (premark_used_types_helper): New.
8425 (premark_used_types): New.
8426 (gen_subprogram_die): Call premark_used_types.
8427 (prune_unused_types_walk): Do not prune perennial dies.
8428 * function.c (used_types_insert): New.
8429 * function.h (struct function): Add used_types_hash field.
8430 (used_types_insert): Add prototype.
8431 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8432 * c-parser.c (c_parser_cast_expression): Save casted types in used
8435 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8438 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8439 rs6000_explicit_options.float_gprs.
8441 2006-04-10 Roger Sayle <roger@eyesopen.com>
8443 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8444 from ix86_expand_vector_init_low_nonzero. Take an additional
8445 one_var argument indicating which element is non-zero. Support
8446 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8447 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8448 with one_var instead of ix86_expand_vector_init_low_nonzero.
8450 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8452 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8453 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8454 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8455 build/genextract.o): Depend on vecprim.h.
8456 * cfglayout.c, df-problems.c, function.c, genextract.c,
8457 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8458 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8462 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8464 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8465 Declare VECs of this type.
8466 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8467 (remove_children): Delete.
8468 (add_dwarf_attr): Use VEC routines.
8469 (add_AT_flag): Update for changes to add_dwarf_attr.
8470 (add_AT_int): Likewise.
8471 (add_AT_unsigned): Likewise.
8472 (add_AT_long_long): Likewise.
8473 (add_AT_vec): Likewise.
8474 (add_AT_string): Likewise.
8475 (add_AT_die_ref): Likewise.
8476 (add_AT_fde_ref): Likewise.
8477 (add_AT_loc): Likewise.
8478 (add_AT_loc_list): Likewise.
8479 (add_AT_addr): Likewise.
8480 (add_AT_lbl_id): Likewise.
8481 (add_AT_lineptr): Likewise.
8482 (add_AT_macptr): Likewise.
8483 (add_AT_offset): Likewise.
8484 (add_AT_range_list): Likewise.
8485 (get_AT): Use VEC_iterate.
8486 (remove_AT): Use VEC_ordered_remove.
8487 (free_die): Fold remove_children into here; have it use VEC_iterate.
8488 (print_die): Use VEC_iterate on attrs.
8489 (reverse_die_lists): Don't reverse attr lists.
8490 (die_checksum): Use VEC_iterate on attrs.
8491 (same_die_p): Likewise.
8492 (output_location_lists): Likewise.
8493 (build_abbrev_table): Likewise.
8494 (size_of_die): Likewise.
8495 (unmark_all_dies): Likewise.
8496 (output_abbrev_section): Likewise.
8497 (output_die): Likewise.
8498 (prune_unused_types_walk_attribs): Likewise.
8500 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8502 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8504 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8507 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8509 2006-04-09 Roger Sayle <roger@eyesopen.com>
8511 * expr.c (store_constructor): Don't bother clearing target if
8512 we're about to assign a vector to it using vec_init_optab.
8514 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8516 * tree-ssa-alias.c (lhs_may_store_to): New function.
8517 (recalculate_used_alone): Handle LHS of calls.
8519 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8523 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8524 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8525 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8526 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8527 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8528 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8529 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8530 stubs. Add ".align 8" directives before all ".dword" directives.
8531 (GTHREAD_USE_WEAK): Revise comment.
8532 (TARGET_ATTRIBUTE_WEAK): Define.
8533 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8534 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8535 * stublib.c: New file.
8540 * pa.md (cbranch patterns): Revise arguments used in calls to
8541 output_cbranch, output_bb and output_bvd. Add long branch length
8543 (fbranch patterns): Handle long branches.
8544 (jump): Revise length check. Revise arguments for output_lbranch call.
8545 Add long branch length attributes.
8546 (decrement_and_branch_until_zero): Add long branch length attributes.
8547 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8548 Likewise. Revise arguments for output_parallel_addb and
8549 output_parallel_movb calls.
8550 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8551 output_parallel_movb and output_parallel_addb): Update prototypes.
8552 * pa.c (output_cbranch): Revise arguments. Correct handling of
8553 nullification in long branches.
8554 (output_lbranch): Add new argument to control extraction of delay
8556 (output_bb): Handle long branches.
8557 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8558 output_parallel_addb): Likewise.
8560 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8562 PR rtl-optimization/27073
8563 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8566 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8568 * tree.h (tree_memory_tag): Add old_used_alone.
8569 (SMT_OLD_USED_ALONE): New macro.
8570 * tree-ssa-alias.c (recalculate_used_alone): Stop
8571 marking things for renaming unnecessarily.
8573 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8575 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8576 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8577 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8578 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8579 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8580 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8581 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8582 spelling convensions.
8583 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8584 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8585 typos. Follow spelling conventions.
8587 2006-04-07 DJ Delorie <dj@redhat.com>
8589 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8590 passed on the stack.
8591 (m32c_init_cumulative_args): When a function returns a structure,
8592 always pass the pointer to that return area on the stack.
8593 (m32c_function_arg_advance): Don't increment the parameter number
8594 if we're processing the returned structure pointer.
8595 (pushm_info): Reverse order of registers.
8597 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8599 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8600 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8601 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8602 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8604 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8605 chrec_fold_multiply): Same.
8606 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8607 force_expr_to_var_cost): Same.
8608 * tree-mudflap.c (mf_xform_derefs_1): Same.
8609 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8611 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8613 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8614 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8617 2006-04-07 Jan Hubicka <jh@suse.cz>
8619 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8621 2006-04-07 Richard Guenther <rguenther@suse.de>
8623 PR tree-optimization/26135
8624 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8625 loads for store copy-prop.
8626 (copy_prop_visit_stmt): Likewise.
8628 2006-04-05 Robert Millan <robertmh@gnu.org>
8630 * config/i386/linux.h: Add a comment to mark macros that are
8631 being overriden in config/k*bsd-gnu.h.
8632 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8634 * config/knetbsd-gnu.h: Ditto.
8636 2006-04-06 Jan Hubicka <jh@suse.cz>
8640 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8643 2006-04-06 Mike Stump <mrs@apple.com>
8645 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8646 for HAVE_nonlocal_goto to be consistent.
8647 (expand_builtin_nonlocal_goto): Likewise.
8648 (expand_builtin_strcmp): Use #ifdef instead of #if
8649 for HAVE_cmpstrnsi to be consistent.
8651 2006-04-05 DJ Delorie <dj@redhat.com>
8653 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8656 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8658 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8659 got-relative addressing for anything but SImode.
8661 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8662 even if the calling function doesn't modify them.
8664 2006-04-05 Richard Guenther <rguenther@suse.de>
8666 PR tree-optimization/26919
8667 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8668 to cgraph_estimate_size_after_inlining.
8670 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8672 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8674 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8676 PR tree-optimization/26996
8677 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8678 VECTOR_TYPE variables.
8680 2006-04-05 Richard Guenther <rguenther@suse.de>
8682 PR tree-optimization/26763
8683 * fold-const.c (fold_comparison): Move folding of
8684 PTR + CST CMP PTR + CST ...
8685 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8687 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8689 * doc/install.texi (Prerequisites): Refine some wording on
8690 bootstrapping and ksh.
8691 Move the version numbers of DejaGnu here from the testing section
8692 and fix casing of names.
8693 Fix markup and clarify wording for autogen requirements.
8694 Refer to GCJ instead of just java.
8695 Refer to SVN instead of CVS.
8696 Describe diffutils as useful instead of necessary.
8697 (Downloading the source): Refer to SVN instead of CVS.
8698 Adjust a link to our web site accordingly.
8699 (Configuration): Fix casing of Bison.
8700 (Building): Refer to SVN instead of CVS.
8701 Fix a sentence on the use of Bison and remove duplicate (and
8702 incorrect) version number of Bison requirement.
8703 Remove one redundant list of packages needed for building.
8704 (Specific): Avoid reference to CVS.
8706 2006-04-04 Eric Christopher <echristo@apple.com>
8708 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8709 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8710 (rs6000_handle_struct_attribute): New.
8711 (rs6000_ms_bitfield_layout_p): Ditto.
8713 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8715 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8716 NULL for dso parameter to atexit_common.
8718 2006-04-04 Eric Christopher <echristo@apple.com>
8720 * config/i386/i386.c (machopic_output_stub): Output \t
8721 between instructions and operands.
8723 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8725 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8726 satisfies_constraint_[IL] to explicit tests on value.
8728 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8730 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8731 set_nb_iterations_in_loop): Use build_int_cst instead of
8733 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8734 build_int_cst instead of convert.
8736 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8738 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8739 new value 2 for incoming.
8740 * function.c (expand_function_start): Call struct_value_rtx
8742 * config/sparc/sparc.md: Comment updated_return.
8743 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8744 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8745 struct return if sparc_std_struct_return and incoming is 2.
8746 (print_operand): Do not adjust return if
8747 sparc_std_struct_return.
8749 2006-04-04 Roger Sayle <roger@eyesopen.com>
8751 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8752 convert in the middle-end.
8753 * expr.c (store_expr, store_constructor, get_inner_reference,
8754 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8756 * tree.c (build_range_type): Likewise.
8758 2006-04-04 Tom Tromey <tromey@redhat.com>
8760 * doc/install.texi (Prerequisites): Mention jar.
8762 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8764 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8767 2006-04-04 Matthias Klose <doko@debian.org>
8769 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8773 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8776 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8778 * doc/extend.texi (Function Attributes): Rewrite visibility
8779 attribute documentation.
8780 * doc/invoke.texi (C++ Dialect Options): Rewrite
8781 -fvisibility-inlines-hidden documentation to describe something
8782 entirely different, although in practise compatible.
8783 (Code Gen Options): Warn about system headers in -fvisibility=
8786 * doc/extend.texi (Other Builtins): Document that
8787 __builtin_nan is a compile-time constant only when its argument
8790 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8792 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8793 trying to remove TRUNCATE check if all bits outside the new mode
8794 are identical to the sign bit.
8796 2006-04-03 Jeff Law <law@redhat.com>
8798 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8799 and operand scanning in some common cases.
8801 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8802 Dale Johannesen <dalej@apple.com>
8805 * regclass.c (struct reg_pref): Update documentation.
8806 (regclass): Set prefclass to NO_REGS if memory is the best option.
8807 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8808 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8809 into account. For non-registers, equate an empty preferred
8810 reload class to a `!' in the constraint; move the if clause to
8811 do so after those that reject the insn.
8812 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8814 (find_dummy_reload): Likewise.
8815 * doc/tm.texi (Register Classes): Document what it means
8816 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8817 * config/i386/i386.c (ix86_preferred_reload_class): Force
8818 using SSE registers (and return NO_REGS for floating-point
8819 constants) if math is done with SSE.
8820 (ix86_preferred_output_reload_class): New.
8821 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8822 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8823 * config/i386/i386.md: Remove # register preferences.
8825 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8828 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8829 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8830 the type of nb_iter.
8831 (instantiate_parameters_1): Convert the operands before calling
8832 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8833 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8835 2006-04-02 Roger Sayle <roger@eyesopen.com>
8837 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8838 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8840 * dojump.c (do_jump): Likewise.
8841 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8842 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8843 gimplify_boolean_expr): Likewise.
8844 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8845 * varasm.c (array_size_for_constructor): Likewise.
8846 * tree-object-size.c (compute_object_offset): Likewise.
8848 2006-04-02 Roger Sayle <roger@eyesopen.com>
8851 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8852 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8854 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8856 PR tree-optimization/26939
8857 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8859 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8861 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8862 at_stmt. Convert the type of operands before calling
8863 build_polynomial_chrec.
8864 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8866 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8867 (instantiate_parameters_1): Convert the type of operands before calling
8868 build_polynomial_chrec.
8869 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8870 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8871 reset_evolution_in_loop): Insert asserts to check the types of the
8873 (chrec_type): Moved...
8874 (eq_evolutions_p): Use operand_equal_p.
8875 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8876 the types of the operands.
8877 (chrec_type): ...here.
8878 * tree-data-ref.c (create_data_ref): Convert the operands before
8879 calling chrec_replace_initial_condition.
8880 (same_access_functions, analyze_subscript_affine_affine,
8881 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8882 (compute_subscript_distance, analyze_ziv_subscript,
8883 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8884 analyze_miv_subscript): Convert the operands before calling
8885 chrec_fold_minus or chrec_fold_plus.
8887 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8889 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8890 the dependence_relations vector.
8891 (compute_data_dependences_for_loop): Adjust call to
8892 compute_all_dependences.
8894 2006-04-01 Roger Sayle <roger@eyesopen.com>
8895 Richard Henderson <rth@redhat.com>
8897 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8898 gimple_boolify on the condition before calling gimplify_expr.
8900 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8902 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8903 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8904 the frame size. Update to use the new macros.
8905 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8906 * config/xtensa/ieee754-df.S: Likewise.
8908 2006-03-31 Richard Henderson <rth@redhat.com>
8910 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8911 (make_edges): ... here. Control fallthru creation with a local
8912 variable. Do not play with fake edges.
8913 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8914 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8917 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8919 * dwarf2.h (DW64_CIE_ID): Define.
8920 * dwarf2out.c (DWARF_CIE_ID): Define.
8921 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8922 length header. Use DWARF_CIE_ID.
8923 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8924 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8926 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8928 * config/sh/linux-atomic.asm: New file.
8929 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8931 2006-03-31 DJ Delorie <dj@redhat.com>
8933 * config/m32c/cond.md: Set condition flags properly throughout.
8934 * config/m32c/minmax.md: Likewise.
8935 * config/m32c/prologue.md: Likewise.
8936 * config/m32c/bitops.md: Likewise.
8937 * config/m32c/muldiv.md: Likewise.
8938 * config/m32c/mov.md: Likewise.
8939 * config/m32c/addsub.md: Likewise.
8940 * config/m32c/m32c.md: Likewise.
8941 * config/m32c/jump.md: Likewise.
8942 * config/m32c/shift.md: Likewise.
8944 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8945 conditionally output the pattern for this.
8946 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8947 (m32c_compare_redundant): New.
8948 (m32c_output_compare): New.
8949 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8951 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8952 dest, not src. Allow other 4-byte modes.
8954 2006-03-30 Denis Chertykov <denisc@overta.ru>
8956 * doc/md.texi: Refer to avr/constraints.md instead of
8959 2006-03-30 Roger Sayle <roger@eyesopen.com>
8961 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8962 signed vs. unsigned comparison failures on some hosts.
8964 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8967 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8968 change to FLOAT_REGS.
8970 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8971 (rs6000_override_options): Use it.
8972 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8973 only for -mabi=spe/no-spe and -mabi=altivec.
8975 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8977 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8980 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8982 * Makefile.in: Rename docdir to gcc_docdir.
8984 2006-03-30 Roger Sayle <roger@eyesopen.com>
8987 * expr.c (emit_group_store): Optimize group stores into a pseudo
8988 register by using a paradoxical subreg to initialize the destination
8989 if the first or last member of the group specifies a "low part".
8991 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8994 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8995 * target.h (struct gcc_target.speculate_insn): Change type of the
8996 second parameter to 'int'.
8997 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8998 the second operand of the DEPS_LIST.
8999 (copy_DEPS_LIST_list): Update reference to the second operand of the
9001 * rtl.h (alloc_DEPS_LIST): Update signature.
9002 * sched-int.h (ds_t): Change typedef to 'int'.
9003 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9005 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9007 * haifa-sched.c (try_ready): Change condition to restore
9008 non-speculative pattern of the instruction.
9009 (process_insn_depend_be_in_spec): Code to keep probability of the
9010 speculative dependence non-decreasing.
9012 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9014 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9015 (single_move_for_movmem): ... this. Also change all uses.
9016 (bfin_expand_strmov): Renamed to...
9017 (bfin_expand_movmem): ... this. Also change all uses.
9018 * config/bfin/bfin.md (movstrsi): Renamed to...
9019 (movstrsi): ...this.
9021 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9023 PR tree-optimization/26830
9025 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9026 (copy_prop_visit_stmt): Remove write-only variable ann.
9027 (init_copy_prop): Check variable loop depth here. Do not simulate
9028 memory-tag and virtual operand PHIs except for store copy prop.
9030 2006-03-30 Richard Guenther <rguenther@suse.de>
9032 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9033 variants with double arguments.
9035 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9037 * genpreds.c (write_tm_constrs_h): Delete variable p.
9038 * genconditions.c (write_header): Add tm-constrs.h to included
9040 * genpeep.c (main): Add toplev.h to included headers.
9041 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9042 (build/genpeep.o): Add toplev.h dependency.
9043 * config/rs6000/constraints.md: Add "W" constraint.
9045 2006-03-29 Roger Sayle <roger@eyesopen.com>
9047 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9048 sizes by correctly testing whether the size fits a host integer.
9049 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9050 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9051 SImode range for the default sizetype and bitsizetype.
9053 2006-03-29 Roger Sayle <roger@eyesopen.com>
9055 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9056 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9057 quickly if the argument is already of the correct type.
9058 Call fold_build1 instead of build1. Tidy up blank lines.
9060 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9062 * genemit.c (main): Add tm-constrs.h to included headers.
9063 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9064 * genpeep.c (main): Add tm-constrs.h to included headers.
9065 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9066 (write_tm_constrs_h): this and write complete file.
9067 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9068 (write_insn_preds_c): Add tm-constrs.h to included headers.
9069 (gen_constrs): New variable.
9070 (parse_option): Parse "-c".
9071 (main): Invoke write_tm_constrs_h.
9072 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9073 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9074 (object_out_file): Add tm-constrs.h dependency.
9075 (insn-emit.o): Same.
9076 (insn-output.o): Same.
9077 (insn-peep.o): Same.
9078 (insn-preds.o): Same.
9079 (insn-recog.o): Same.
9080 (tm-constsr.h): New target.
9081 (s-constrs-h): New target.
9083 * config/rs6000/constraints.md: New file.
9084 * config/rs6000/rs6000.c: Include tm-constrs.h.
9085 (num_insn_constant_wide): Convert to satisfies_constraint.
9086 (rs6000_rtx_costs): Convert to satisfies_constraint.
9087 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9088 (CONST_OK_FOR_LETTER_P): Delete.
9089 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9090 (EXTRA_CONSTRAINT): Delete.
9091 (EXTRA_MEMORY_CONSTRAINT): Delete.
9092 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9093 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9094 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9095 satisfies_constraint.
9097 * config/i386/i386.c: Include tm-constrs.h.
9099 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9101 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9102 * tree-data-ref.c (find_data_references_in_loop,
9103 compute_data_dependences_for_loop): Use pointers to VEC.
9104 (analyze_all_data_dependences): Adjust calls.
9105 * tree-data-ref.h (find_data_references_in_loop,
9106 compute_data_dependences_for_loop): Adjust declarations.
9107 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9108 compute_data_dependences_for_loop.
9110 2006-03-29 Paul Brook <paul@codesourcery.com>
9112 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9115 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9117 PR tree-optimization/26859
9118 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9120 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9121 for the step after fold_convert.
9123 2006-03-29 Paul Brook <paul@codesourcery.com>
9125 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9126 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9128 2006-03-29 Paul Brook <paul@codesourcery.com>
9131 * targhooks.c (default_narrow_bitfield): New fuction.
9132 * targhooks.h (default_narrow_bitfield): add prototype.
9133 * target.h (gcc_target): Add narrow_volatile_bitfield.
9134 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9135 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9136 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9137 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9139 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9141 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9143 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9144 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9145 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9146 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9147 (s390_function_arg_float): Allow SDmode and DDmode values to be
9148 passed in floating point registers.
9149 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9150 check with SCALAR_FLOAT_MODE_P.
9151 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9153 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9155 PR tree-optimization/25985
9156 * tree-ssa-loop-niter.c (number_of_iterations_le,
9157 number_of_iterations_ne): Make comments more precise.
9158 (number_of_iterations_cond): Add only_exit argument. Use the
9159 fact that signed variables do not overflow only when only_exit
9161 (loop_only_exit_p): New.
9162 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9163 number_of_iterations_cond.
9165 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9167 PR tree-optimization/26643
9168 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9171 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9173 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9174 (divsi3_i4_int): Likewise.
9176 2006-03-28 Roger Sayle <roger@eyesopen.com>
9178 * expr.c (emit_group_store): Only create a new pseudo reg if the
9179 quantity it needs to hold isn't already a suitable pseudo.
9181 2006-03-28 Jeff Law <law@redhat.com>
9183 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9184 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9186 2006-03-28 Roger Sayle <roger@eyesopen.com>
9188 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9189 the equivalent ~X & Y, and the symmetry related transformations.
9190 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9191 ~X & Y, and symmetry related transforms.
9193 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9195 Revert my 2006-03-27 patches.
9197 2006-03-28 Roger Sayle <roger@eyesopen.com>
9199 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9200 ~(T1)X, when T1 and T2 are integer types of the same precision
9201 and (T2)X isn't an extension.
9203 2006-03-28 Jeff Law <law@redhat.com>
9205 PR tree-optimization/26796
9206 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9207 need EH edge cleanups rather than purging them immediately.
9208 (eliminate_degenerate_phis): Handle queued EH cleanups.
9210 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9212 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9215 2006-03-27 Roger Sayle <roger@eyesopen.com>
9218 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9219 cast BIT_NOT_EXPR operand to the correct type.
9221 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9223 * tree-loop-linear.c: Don't include varray.h.
9224 (gather_interchange_stats, try_interchange_loops,
9225 linear_transform_loops): Use VEC instead of VARRAY.
9226 * lambda-mat.c: Don't include varray.h.
9227 * tree-chrec.c: Same.
9228 * lambda-trans.c: Same.
9229 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9230 VEC instead of VARRAY.
9231 * tree-vectorizer.h: Idem.
9232 * tree-data-ref.c (dump_data_references,
9233 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9234 initialize_data_dependence_relation, finalize_ddr_dependent,
9235 compute_all_dependences, find_data_references_in_loop,
9236 compute_data_dependences_for_loop, analyze_all_data_dependences,
9237 free_dependence_relation, free_dependence_relations,
9238 free_data_refs): Idem.
9239 * tree-data-ref.h (data_reference_p, subscript_p): New.
9240 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9241 VEC instead of VARRAY.
9242 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9243 (find_data_references_in_loop, compute_data_dependences_for_loop,
9244 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9245 dump_data_dependence_relations, free_dependence_relations,
9246 free_data_refs): Adjust declaration.
9247 (lambda_transform_legal_p): Move declaration here...
9248 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9249 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9250 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9251 vect_analyze_data_refs): Use VEC instead of VARRAY.
9252 * lambda.h (lambda_transform_legal_p): ...from here.
9253 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9254 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9255 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9256 tree-chrec.o): Don't depend on VARRAY_H.
9258 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9260 * rtl.def (Copyright): Update date.
9261 (DEPS_LIST): Change type of the second operand to 'int'.
9262 * target.h (Copyright): Update date.
9263 (struct gcc_target.speculate_insn): Change type of the second parameter
9265 * lists.c (Copyright): Update date.
9266 (alloc_DEPS_LIST): Change signature. Update reference to the second
9267 operand of the DEPS_LIST.
9268 (copy_DEPS_LIST_list): Update reference to the second operand of the
9270 * rtl.h (Copyright): Update date.
9271 (alloc_DEPS_LIST): Update signature.
9272 * sched-int.h (Copyright): Update date.
9273 (ds_t): Change typedef to 'int'.
9274 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9276 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9278 * haifa-sched.c (Copyright): Update date.
9279 (try_ready): Change condition to restore non-speculative pattern
9281 (process_insn_depend_be_in_spec): Code to keep probability of the
9282 speculative dependence non-decreasing.
9284 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9286 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9287 shut up the compiler.
9289 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9291 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9292 to use lib prefix for target.
9293 ($(T)libic_invalidate_array_4-200.a): Likewise.
9294 ($(T)libic_invalidate_array_4a.a): Likewise.
9296 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9297 J"orn Rennecke <joern.rennecke@st.com>
9299 * superh.opt: New file.
9300 * sh.c (boardtype, osruntime): Remove.
9301 * superh.h (SUBTARGET_OPTIONS): Remove.
9302 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9304 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9305 arguments with ^ and/or [].
9307 * config.gcc (sh-*-*): Add quoting to account for quirk of
9309 Replace == with = in enable_incomplete_targets test.
9311 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9312 with MASK_LITTLE_ENDIAN.
9314 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9315 * config/sh/sh.opt: Added to some comments.
9316 * config/sh/superh.h: Removed some chaff.
9318 * config/sh/sh.opt: Add m4-[1234]00* options.
9319 * config/sh/sh.c (sh_handle_option): Likewise.
9320 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9321 (ic_invalidate_array_4-100.o): New rule.
9322 ($(T)libic_invalidate_array_4-100.a): Likewise.
9323 (ic_invalidate_array_4-200.o): Likewise.
9324 ($(T)libic_invalidate_array_4-200.a): Likewise.
9325 (ic_invalidate_array_4a.o): Likewise.
9326 ($(T)libic_invalidate_array_4a.a): Likewise.
9327 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9328 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9330 * config/sh/crt1.asm: Merged in profiling code.
9331 * config/sh/superh.h (STARTFILE_SPEC): Override.
9332 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9333 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9334 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9336 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9337 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9338 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9340 * sh.opt (mpretend-cmove): New option.
9341 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9342 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9343 (movsicc): Add TARGET_PRETEND_CMOVE code.
9345 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9347 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9348 s390_class_max_nregs): New function prototypes.
9349 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9350 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9351 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9352 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9354 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9356 * dwarf2out.c (add_location_or_const_value_attribute): Call
9357 tree_add_const_value_attribute if nothing else works.
9358 (reference_to_unused): New.
9359 (rtl_for_decl_init): Use reference_to_unused to decide whether
9360 to output an initializer.
9362 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9365 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9366 peephole removing spe frob_di_df_2.
9368 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9370 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9371 (subscript_dependence_tester_1): Declared.
9372 (print_dir_vectors, print_dist_vectors): New.
9373 (debug_data_dependence_relation): New.
9374 (dump_data_dependence_relation): Print more details.
9375 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9376 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9377 (save_dist_v, save_dir_v, add_outer_distances,
9378 build_classic_dist_vector_1): New.
9379 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9380 Don't test for lambda_vector_lexico_pos.
9381 (same_access_functions, add_multivariate_self_dist,
9382 add_other_self_distances, dir_from_dist): New.
9383 (build_classic_dir_vector): Replace implementation almost identical to
9384 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9386 (subscript_dependence_tester_1): New.
9387 (subscript_dependence_tester): Handle the lexicographically negative
9388 distance vectors by recomputing the dependence relation.
9389 (compute_affine_dependence): Remove parameter loop_nest_depth.
9390 (compute_self_dependence): Don't call compute_subscript_distance.
9391 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9392 Add a parameter for the loop_nest.
9393 (find_loop_nest_1, find_loop_nest): New.
9394 (compute_data_dependences_for_loop): Compute the loop nest, and give
9395 up if the nest is not well formed.
9396 * tree-data-ref.h (loop_p): New.
9397 (struct data_dependence_relation): Replace size_vect field with
9398 loop_nest, a vec of loops.
9399 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9400 (DDR_LOOP_NEST): New.
9401 (print_dir_vectors, print_dist_vectors,
9402 debug_data_dependence_relation): Declared.
9403 (index_in_loop_nest): New.
9404 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9405 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9408 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9410 * simplify-rtx.c (simplify_relational_operation): Call
9411 simplify_relational_operation_1 even if mode is VOIDmode.
9413 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9415 PR tree-optimization/26804
9416 * tree.h (DECL_CALL_CLOBBERED): New macro.
9417 (tree_decl_common): Add call_clobbered_flag.
9418 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9419 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9420 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9421 (mark_non_addressable): Ditto.
9422 * tree-ssa.c (verify_call_clobbered): New function.
9423 (verify_alias_info): Use it.
9424 * tree-pass.h (pass_reset_cc_flags): New prototype.
9425 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9426 (reset_cc_flags): New function.
9427 * passes.c (init_optimization_passes): Call reset_cc_flags after
9428 initializing referenced_vars.
9430 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9431 Roger Sayle <roger@eyesopen.com>
9434 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9435 to 1.0 for non-real operands. Implement A / A optimization for
9438 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9440 * config/i386/i386.c (size_cost): Correct the comment for
9441 cost of storing fp registers.
9442 (i386_cost): Likewise.
9443 (i486_cost): Likewise.
9444 (pentium_cost): Likewise.
9445 (pentiumpro_cost): Likewise.
9446 (k6_cost): Likewise.
9447 (athlon_cost): Likewise.
9448 (k8_cost): Likewise.
9449 (pentium4_cost): Likewise.
9450 (nocona_cost): Likewise.
9451 (generic64_cost): Likewise.
9452 (generic32_cost): Likewise.
9454 2006-03-24 Denis Chertykov <denisc@overta.ru>
9456 * config/avr/avr-protos.h (extra_constraint): Delete.
9457 (extra_constraint_Q): New declaration.
9458 * config/avr/constraints.md: New file.
9459 * config/avr/avr.md: Include it.
9460 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9461 (TMP_REGNO, ZERO_REGNO): Likewise.
9462 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9463 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9464 (extra_constraint): Delete.
9465 (extra_constraint_Q): Test for memory constraint 'Q'.
9466 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9467 (REG_CLASS_FROM_LETTER): Delete.
9468 (CONST_OK_FOR_LETTER_P): Delete.
9469 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9470 (EXTRA_CONSTRAINT): Delete.
9471 (TMP_REGNO): Delete.
9472 (ZERO_REGNO): Delete.
9474 2006-03-24 Jeff Law <law@redhat.com>
9476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9477 directly. Call mark_new_vars_to_rename slightly earlier.
9479 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9481 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9483 (gen_compile_unit_die): Use new language types for Objective-C and
9485 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9486 DW_LANG_C_plus_plus.
9489 * config/t-darwin (crt3.o): Work around bug 26840.
9490 * config/darwin-crt3.c: Rewrite.
9491 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9493 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9495 * doc/invoke.texi: Document -femit-class-debug-always
9496 * common.opt: Add -femit-class-debug-always.
9498 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9500 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9501 index and base register.
9502 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9503 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9504 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9505 REGNO_OK_FOR_INDEX_P.
9506 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9508 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9509 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9510 REG_OK_FOR_BASE_P): Definitions removed.
9512 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9515 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9516 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9517 set yet or weren't marked as local yet.
9519 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9521 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9524 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9526 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9527 (rs6000_legitimate_small_data_p): Delete.
9528 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9529 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9530 and make static. Add forward declaration. Update uses.
9531 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9532 of offsettable_memref_p.
9533 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9534 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9536 2006-03-24 Jeff Law <law@redhat.com>
9538 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9539 around bug in immediate-use iterator.
9541 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9544 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9545 or __LITTLE_ENDIAN__.
9547 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9549 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9550 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9551 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9552 * config/sh/sh.opt (mdiv=): Amend description.
9553 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9554 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9555 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9556 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9557 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9558 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9559 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9560 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9561 TARGET_DIVIDE_CALL_FP.
9563 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9565 * haifa-sched.c (choose_ready): Fix type of the local variable.
9566 Move local variables. Add comment.
9567 (check_reg_live): Change signature. Make callable from debugger.
9568 * sched-int.h (check_reg_live): Update signature.
9569 * sched-ebb.c (check_reg_live): Update parameters.
9570 * sched-rgn.c (check_reg_live): Ditto.
9571 (region_head_or_leaf_p): Check pointer before dereferencing.
9572 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9573 before reload on optimization levels below 1.
9575 2006-03-23 Richard Henderson <rth@redhat.com>
9577 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9581 * config/alpha/predicates.md (local_symbolic_operand): Reject
9584 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9587 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9588 expressions which have overflowed constants.
9590 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9592 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9594 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9596 * cfgloopmanip.c (create_loop_notes): Removed.
9597 * final.c (final_scan_insn): Do not handle loop notes.
9598 * jump.c (squeeze_notes): Ditto.
9599 * cfglayout.c (skip_insns_after_block,
9600 duplicate_insn_chain): Ditto.
9601 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9603 * cfgloop.h (create_loop_notes): Declaration removed.
9605 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9607 * varasm.c (output_constant_pool): Restore fnname and fndecl
9609 (assemble_start_function): Adjust call accordingly.
9610 (assemble_end_function): Likewise.
9612 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9615 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9618 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9620 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9623 * system.h (ICE_EXIT_CODE): New macro.
9624 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9625 (diagnostic_action_after_output): Likewise.
9626 * gcc.c (fatal_ice): New function.
9627 (execute): Use it instead of fatal.
9628 (fancy_abort): Likewise.
9629 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9631 2006-03-22 Jeff Law <law@redhat.com>
9633 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9634 iv_analyze_result returning false.
9636 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9638 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9640 2006-03-22 Richard Henderson <rth@redhat.com>
9643 * except.c (duplicate_eh_regions_0): New.
9644 (duplicate_eh_region_1): Duplicate the children of the node as
9645 well as the node itself. Link them up properly.
9646 (duplicate_eh_region_2): Merge into ...
9647 (duplicate_eh_regions): ... here. Take copy_region argument, and
9648 copy only a sub-tree if asked. Simplify copying and fixup.
9649 (eh_region_outer_p): New.
9650 * except.h (duplicate_eh_regions): Update decl.
9651 (eh_region_outer_p): Declare.
9652 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9653 (lower_omp_master): Likewise.
9654 (lower_omp_ordered): Likewise.
9655 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9656 (move_stmt_r): Use it to remap labels. Handle recursion vs
9657 remap_decls_p properly.
9658 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9659 (find_outermost_region_in_block): New.
9660 (new_label_mapper): New.
9661 (move_sese_region_to_fn): Copy eh information to the new function
9663 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9665 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9668 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9670 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9671 into shared libraries.
9673 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9675 * doc/md.texi: Refer to i386/constraints.md instead of
9677 * config/i386/constraints.md: New file, extracted from...
9678 * config/i386/predicates.md: ...here.
9679 * config/i386/i386.md: Include constraints.md.
9681 2006-03-21 Jason Merrill <jason@redhat.com>
9683 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9686 * expr.c (init_block_move_fn): Force default visibility.
9687 (init_block_clear_fn): Likewise.
9688 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9689 * targhooks.c (default_external_stack_protect_fail): Likewise.
9691 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9693 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9694 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9695 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9696 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9697 (loadgp): Use mips_current_loadgp_style.
9698 (loadgp_noshared): New pattern.
9699 (sibcall_internal): Use MIPS_CALL.
9700 (sibcall_value_internal): Likewise.
9701 (sibcall_value_multiple_internal): Likewise.
9702 (call_internal): Likewise.
9703 (call_value_internal): Likewise.
9704 (call_value_multiple_internal): Likewise.
9705 (call_split): Use MIPS_CALL and add an 'S' constraint.
9706 (call_value_split): Likewise.
9707 (call_value_multiple_split): Likewise.
9708 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9709 (-mshared): New option.
9710 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9711 (mips_current_loadgp_style): Declare.
9712 * config/mips/mips.c (mips_classify_symbol): Avoid using
9713 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9714 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9715 TARGET_ABSOLUTE_ABICALLS.
9716 (override_options): Adjust comments. Improve the warning that is
9717 issued when -mabicalls and -G are used together.
9718 (mips_file_start): Remove comment.
9719 (mips_current_loadgp_style): New function.
9720 (mips_gnu_local_gp): New variable.
9721 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9723 (mips_output_function_prologue): Use mips_current_laodgp_style.
9724 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9725 the cprestore instruction.
9726 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9727 live for TARGET_ABSOLUTE_ABICALLS.
9728 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9729 (ASM_SPEC): Pass down -mshared and -mno-shared.
9730 (MIPS_CALL): New macro.
9731 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9733 * doc/invoke.texi (-mabicalls): Update documentation.
9734 (-mshared): Document.
9736 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9738 * config/ia64/unwind-hpux.c: New file.
9739 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9741 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9744 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9746 2006-03-21 Jeff Law <law@redhat.com>
9748 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9749 type conversions of a VR_VARYING source to a wider type.
9751 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9753 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9754 tm_file on Solaris 10 and later.
9755 (sparc64-*-solaris2*): Likewise.
9756 (sparc-*-solaris2*): Likewise.
9757 * config/sol26.h: Rename to config/sol2-6.h.
9758 * config/sol2-10.h: New file.
9760 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9763 * tree-ssa-pre.c (create_component_ref_by_pieces):
9766 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9769 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9770 return it immediately.
9772 2006-03-21 Michael Matz <matz@suse.de>
9774 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9776 (remove_arc, add_arc): Update num_out_arcs member.
9777 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9779 (cache_presence): New function.
9780 (compare_states_for_equiv): New function.
9781 (state_is_differed): Don't take number of outargs, adjust callers.
9782 Use new invariant for speeding up.
9783 (init_equiv_class): Create initial classes based on sorted
9785 (partition_equiv_class): Don't track out_arcs_num.
9786 (evaluate_equiv_classes): Call cache_presence on all states and
9789 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9791 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9792 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9793 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9794 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9796 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9797 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9798 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9799 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9800 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9802 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9803 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9804 (REGNO_REG_CLASS): ARGP is in PREGS.
9805 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9807 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9808 to deal with those addresses.
9809 * addresses.h: New file.
9810 * caller-save.c: Include "addresses.h".
9811 (init_caller_save): Use new base_reg_class function.
9812 * rtl-factoring.c: Include "addresses.h".
9813 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9814 * recog.c: Include "addresses.h".
9815 (preprocess_constraints): Use new base_reg_class function.
9816 * regrename.c: Include "addresses.h".
9817 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9818 functions. Keep track of a new var INDEX_CODE to compute valid
9820 (replace_oldest_value_addr): Likewise.
9821 (replace_oldest_value_mem): Use base_reg_class.
9822 * reload.c: Include "addresses.h".
9823 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9824 (find_reloads): Use new base_reg_class function.
9825 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9826 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9827 all callers and prototype changed.
9828 * reload1.c: Include "addresses.h".
9829 (maybe_fix_stack_asms): Use base_reg_class.
9830 * regclass.c: Include "addresses.h".
9831 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9832 (init_reg_autoinc): Use new base_reg_class function.
9833 (record_reg_classes): Likewise.
9834 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9835 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9836 Use new args to compute necessary class.
9838 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9839 regrename.o, rtl-factoring.o): Update dependencies.
9840 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9841 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9842 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9843 REG_OK_FOR_INDEX_P): Delete documentation.
9845 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9847 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9848 from V7 to V9 for Solaris 7 and above.
9850 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9852 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9853 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9854 argument pointers may not alias any other storage.
9855 * common.opt: Define option -fargument-noalias-anything.
9856 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9857 alias semantics is specified by flag_argument_noalias > 2.
9859 2006-03-20 Jeff Law <law@redhat.com>
9861 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9862 (pass_phi_only_cprop): Declare.
9863 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9865 * tree-ssa-dom.c (degenerate_phi_result): New function.
9866 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9867 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9868 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9869 (eliminate_degenerate_phis): Likewise.
9870 (pass_phi_only_cprop): New pass descriptor.
9871 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9872 support code. Callers updated.
9873 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9874 (store_copy_prop): Likewise.
9875 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9877 2006-03-20 Jason Merrill <jason@redhat.com>
9880 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9881 (push_visibility, pop_visibility): Likewise.
9882 * c-pragma.h: Declare them.
9884 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9886 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9888 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9889 parameter and use get_ebb_head_tail.
9890 (sh_md_init_global): Adjust uses of find_regmode_weight.
9892 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9894 * function.h (struct function) <x_tail_recursion_reentry>:
9895 Rename to x_stack_check_probe_note.
9896 (tail_recursion_reentry): Rename to stack_check_probe_note.
9897 * function.c: Replace tail_recursion_reentry with
9898 stack_check_probe_note everywhere.
9899 (expand_function_start): Only emit a note for
9900 stack_check_probe_note with -fstack-protect.
9901 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9903 * emit-rtl.c (remove_unnecessary_notes): Remove.
9904 (pass_remove_unnecessary_notes): Remove.
9905 * rtl.h (remove_unnecessary_notes): Remove prototype.
9906 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9907 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9908 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9910 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9913 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9914 (valid_in_set): Handle ARRAY_REF.
9915 Change "if min_variant or VH" to asserts.
9916 (create_component_ref_by_pieces): Handle ARRAY_REF.
9917 (create_expression_by_pieces): Likewise.
9918 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9920 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9922 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9923 is operand of switch, not str[0].
9925 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9927 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9928 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9930 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9932 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9933 end of insn_extra_address_constraint declaration.
9935 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9937 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9938 (no-sum-in-toc): Same.
9939 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9941 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9942 NO_FP_IN_TOC for -fPIC instead of mask.
9944 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9945 (BOOT_LDFLAGS): Delete.
9947 * config/rs6000/t-aix52: Same.
9949 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9950 (stmsi[345678]_power): New.
9952 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9954 * config/ia64/ia64.opt: Add empty line to end of file.
9956 2006-03-17 Richard Guenther <rguenther@suse.de>
9959 * builtins.c (get_pointer_alignment): For component style references
9960 adjust alignment to the component type alignment. Make sure
9961 to adjust alignment for component access of constants.
9963 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9965 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9968 2006-03-17 Paul Brook <paul@codesourcery.com>
9970 * doc/install.texi: Docuemnt --with-mode.
9971 * config.gcc: Add --with-mode for arm*-*-*.
9972 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9974 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9976 * sh.c (max_labelno_before_reorg): New variable.
9977 (sh_reorg): Initialize it.
9978 (find_barrier): Check max_labelno_before_reorg before using
9979 label_to_alignment. Take length of explicit alignment insns
9980 into account. When seeing a UNSPECV_CONST_END, return it.
9982 * sh.c (fixup_mova): Set mode of affected label to QImode.
9983 (untangle_mova): New function.
9984 (find_barrier): Use it. Check mode of label before decrementing
9986 (sh_reorg): Likewise.
9987 Set mode of all insns back to VOIDmode.
9989 * sh.c (MOVA_LABELREF): New macro.
9990 (mova_p, fixup_mova, sh_reorg): Use it.
9991 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9992 ADDR_DIFF_VEC matches mova.
9994 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9996 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9997 with ATTRIBUTE_UNUSED.
9999 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10001 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10002 pointer, instead of assuming it is possible to derive the
10003 correct args size from a call insn.
10005 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10007 * rtl.h (CONST_INT_P): Define.
10008 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10009 instead of GET_CODE(x) == CONST_INT.
10010 (vax_rtx_costs): Likewise.
10011 (vax_output_int_move): Likewise.
10012 (vax_output_int_add): Likewise.
10013 (legitimate_constant_address_p): Likewise.
10014 (index_term_p): Likewise.
10015 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10016 * config/vax/vax.md (and<mode>3): Likewise.
10017 (ashrsi3): Likewise.
10019 (movstricthi): Likewise.
10020 (movstrictqi): Likewise.
10021 (rotrsi3): Likewise.
10022 (five unnamed insns): Likewise.
10024 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10026 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10027 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10028 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10029 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10030 Pass to ASM_OUTPUT_DWARF_OFFSET.
10031 * dwarf2out.c (debug_frame_section): New.
10032 (output_call_frame_info): Use debug_frame_section. Pass it to
10033 dw2_asm_output_offset.
10034 (output_die): Pass appropriate section to dw2_asm_output_offset.
10035 (output_compilation_unit_header): Likewise.
10036 (output_pubnames): Likewise.
10037 (output_aranges): Likewise.
10038 (enum dw_val_class): Break dw_val_class_lbl_offset into
10039 dw_val_class_lineptr and dw_val_class_macptr.
10040 (add_AT_lbl_offset): Delete.
10041 (add_AT_lineptr): New.
10042 (add_AT_macptr): New.
10043 (AT_lbl): Expect a lineptr or macptr.
10044 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10045 (attr_checksum): Likewise.
10046 (same_dw_val_p): Likewise.
10047 (size_of_die): Likewise.
10048 (value_format): Likewise.
10049 (output_die): Likewise.
10050 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10052 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10053 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10054 * config/darwin-protos.h (darwin_file_start): New.
10055 (darwin_asm_output_dwarf_offset): New.
10056 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10057 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10059 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10060 if not EH section; simplify.
10061 (darwin_file_start): New.
10062 (darwin_asm_output_dwarf_offset): New.
10063 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10065 (DEBUG_INFO_SECTION): Likewise.
10066 (DEBUG_ABBREV_SECTION): Likewise.
10067 (DEBUG_ARANGES_SECTION): Likewise.
10068 (DEBUG_MACINFO_SECTION): Likewise.
10069 (DEBUG_LINE_SECTION): Likewise.
10070 (DEBUG_LOC_SECTION): Likewise.
10071 (DEBUG_PUBNAMES_SECTION): Likewise.
10072 (DEBUG_STR_SECTION): Likewise.
10073 (DEBUG_RANGES_SECTION): Likewise.
10074 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10075 (ASM_OUTPUT_DWARF_OFFSET): New.
10077 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10079 * config.gcc (tm_defines): Always add to previous value rather
10082 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10084 * config/mips/predicates.md (splittable_const_int_operand): New,
10085 split from move_operand.
10086 (splittable_symbolic_operand): New.
10087 (move_operand): Add commentary. Use splittable_const_int_operand.
10088 Inline mips_atomic_symbolic_constant_p.
10089 * config/mips/mips.md: Add combine splitters for handling moves
10090 of splittable_const_int_operands and splittable_symbolic_operands.
10091 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10092 (mips_split_symbol): Declare.
10093 (mips_move_integer): Declare.
10094 * config/mips/mips.c (mips_split_p): Make global.
10095 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10096 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10097 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10098 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10099 (mips_offset_within_object_p): Handle block symbols.
10100 (mips_atomic_symbolic_constant_p): Delete.
10101 (mips_cannot_force_const_mem): Return false for constants that
10102 mips_legitimize_move can handle.
10103 (mips_use_blocks_for_constant_p): New function.
10104 (mips_split_symbol): Make global.
10105 (mips_move_integer): Likewise. Add a temporary register argument.
10106 (mips_legitimize_const_move): Use splittable_const_int_operand and
10107 splittable_symbolic_operand.
10108 (mips_use_anchors_for_symbol_p): New function.
10109 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10110 (mips_split_p): Declare.
10112 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10114 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10115 (mips*-*-linux*): Likewise.
10117 2006-03-16 Roger Sayle <roger@eyesopen.com>
10118 Daniel Speyer <dspeyer@wam.umd.edu>
10120 PR middle-end/18259
10121 * tree-dump.c (dump_real): New function.
10122 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10123 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10124 (tree-dump.o): Add $(REAL_H) to the dependencies.
10126 2006-03-16 Roger Sayle <roger@eyesopen.com>
10128 PR middle-end/21781
10129 * real.c (real_from_string): If the mantissa is zero, don't bother
10130 parsing the exponent as the result should always be zero.
10132 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10134 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10138 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10139 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10140 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10141 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10142 ia64_sched_finish_global): New static functions to implement
10143 hooks from gcc_target.sched.
10144 (spec_check_no, max_uid, pending_data_specs): New static variables.
10145 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10146 ia64_spec_check_src_p): New static functions.
10147 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10148 (TARGET_SCHED_ADJUST_COST): Removed.
10149 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10150 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10151 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10152 TARGET_SCHED_GEN_CHECK,
10153 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10154 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10155 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10156 Fixed to handle speculation checks.
10157 (rtx_needs_barrier): Fixed to handle speculative loads and
10159 (ia64_variable_issue): Added code to count speculative loads and their
10161 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10163 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10165 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10167 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10168 (ia64_reorg): Reset stops_p to NULL after it is freed.
10169 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10170 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10171 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10173 (data_speculative, control_speculative, check_load): New attributes.
10174 (mov<mode>_advanced, mov<mode>_speculative,
10175 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10176 zero_extend<mode>di2_speculative,
10177 zero_extend<mode>di2_speculative_advanced): New patterns for
10178 data and control speculative loads.
10179 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10181 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10182 New pattern for data and control speculation checks.
10183 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10184 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10185 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10186 Auxiliary definitions for the patterns.
10187 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10188 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10190 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10192 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10193 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10194 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10195 New resource constraints.
10196 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10198 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10199 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10200 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10201 msched-in-control-spec, msched-ldc, msched-control-ldc,
10202 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10203 msched-prefer-non-control-spec-insns,
10204 msched-count-spec-in-critical-path): New flags to tune speculative
10206 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10207 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10208 msched-in-control-spec, msched-ldc, msched-control-ldc,
10209 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10210 msched-prefer-non-control-spec-insns,
10211 msched-count-spec-in-critical-path): Document new flags.
10213 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10215 * target.h (struct spec_info_def): New opaque declaration.
10216 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10217 speculate_insn, needs_block_p, gen_check,
10218 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10219 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10220 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10221 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10222 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10223 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10225 (TARGET_SCHED): Use new macros.
10226 * rtl.h (copy_DEPS_LIST_list): New prototype.
10227 * sched-int.h (struct sched_info): Change signature of new_ready field,
10228 adjust all initializations. New fields: add_remove_insn,
10229 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10230 region_head_or_leaf_p.
10231 (struct spec_info_def): New structure declaration.
10232 (spec_info_t): New typedef.
10233 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10234 recovery_block, orig_pat.
10235 (glat_start, glat_end): New variables declaraions.
10236 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10238 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10239 DETACH_LIFE_INFO, USE_GLAT.
10240 (enum SPEC_SCHED_FLAGS): New enumeration.
10241 (NOTE_NOTE_BB_P): New macro.
10242 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10243 attach_life_info, debug_spec_status, check_reg_live): New functions.
10244 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10245 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10247 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10248 * ddg.c (get_block_head_tail): Adjust all uses.
10249 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10250 (sms_sched_info): Initialize new fields.
10251 (contributes_to_priority): Removed.
10252 * haifa-sched.c (params.h): New include.
10253 (get_block_head_tail): Adjust all uses.
10254 (ISSUE_POINTS): New macro.
10255 (glat_start, glat_end): New global variables.
10256 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10257 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10258 old_last_basic_block, before_recovery, current_sched_info_var,
10259 rgn_n_insns, luid): New static variables.
10260 (insn_cost1): New function. Move logic from insn_cost to here.
10261 (find_insn_reg_weight1): New function. Move logic from
10262 find_insn_reg_weight to here.
10263 (reemit_notes, move_insn, max_issue): Change signature.
10264 (move_insn1): Removed.
10265 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10266 extend_bb): New static functions to support extension of scheduler's
10268 (generate_recovery_code, process_insn_depend_be_in_spec,
10269 begin_speculative_block, add_to_speculative_block,
10270 init_before_recovery, create_recovery_block, create_check_block_twin,
10271 fix_recovery_deps): New static functions to support
10272 generation of recovery code.
10273 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10274 restore_bb_notes, move_block_after_check, move_succs): New static
10275 functions to support ebb scheduling.
10276 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10277 functions to support handling of register live information.
10278 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10279 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10280 add_jump_dependencies): New static functions.
10281 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10282 consistancy checking.
10283 (debug_spec_status): New function to call from debugger.
10284 (priority): Added code to handle speculation checks.
10285 (rank_for_schedule): Added code to distinguish speculative instructions.
10286 (schedule_insn): Added code to handle speculation checks.
10287 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10288 Fixed to handle ebbs.
10289 (move_insn): Added code to handle ebb scheduling.
10290 (max_issue): Added code to use ISSUE_POINTS of instructions.
10291 (choose_ready): Added code to choose between speculative and
10292 non-speculative instructions.
10293 (schedule_block): Added code to handle ebb scheduling and scheduling of
10294 speculative instructions.
10295 (sched_init): Initialize new variables.
10296 (sched_finish): Free new variables. Print statistics.
10297 (try_ready): Added code to handle speculative instructions.
10298 * lists.c (copy_DEPS_LIST_list): New function.
10299 * sched-deps.c (extend_dependency_caches): New function. Move logic
10300 from create_dependency_caches to here.
10301 (get_dep_weak, ds_merge): Make global.
10302 * genattr.c (main): Code to output prototype for
10303 dfa_clear_single_insn_cache.
10304 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10305 (output_dfa_clean_insn_cache_func): Code to output
10306 dfa_clear_single_insn_cache function.
10307 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10309 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10311 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10312 New static variables.
10313 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10314 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10316 (ebb_sched_info): Initialize new fields.
10317 (get_block_head_tail): Adjust all uses.
10318 (compute_jump_reg_dependencies): Fixed to use glat_start.
10319 (schedule_ebb): Code to remove unreachable last block.
10320 (schedule_ebbs): Added code to update register live information.
10321 * sched-rgn.c (region_sched_info): Initialize new fields.
10322 (get_block_head_tail): Adjust all uses.
10323 (last_was_jump): Removed. Adjust users.
10324 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10325 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10326 Implement new hooks.
10327 (check_dead_notes1): New static function.
10328 (struct region): New fields: dont_calc_deps, has_real_ebb.
10329 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10330 (BB_TO_BLOCK): Fixed to handle EBBs.
10331 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10332 (ebb_head): New static variable.
10333 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10334 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10336 (compute_dom_prob_ps): New assertion.
10337 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10338 global_live_at_start.
10339 (init_ready_list): New assertions.
10340 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10341 (new_ready): Add support for BEGIN_CONTROL speculation.
10342 (schedule_insns): Fixed code that updates register live information
10344 (schedule_region): Fixed to handle EBBs.
10345 (init_regions): Use extend_regions and check_dead_notes1.
10346 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10347 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10348 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10349 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10350 TARGET_SCHED_GEN_CHECK,
10351 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10352 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10353 * doc/invoke.texi (max-sched-insn-conflict-delay,
10354 sched-spec-prob-cutoff): Document.
10356 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10358 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10359 inter_tick, queue_index.
10360 (struct sched_info): Change signature of init_ready_list field.
10361 Adjust all initializations.
10362 (RESOLVED_DEPS): New access macro.
10363 (ready_add): Remove prototype.
10364 (try_ready): Add prototype.
10365 * sched-rgn.c (init_ready_list): Use try_ready.
10366 (schedule_region): Initialize
10367 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10368 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10369 (init_ready_list): Use try_ready.
10370 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10371 * lists.c (remove_list_elem): Remove `static'.
10372 (remove_free_INSN_LIST_elem): New function.
10373 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10374 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10375 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10377 (readyp): New variable.
10378 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10379 change_queue_index, resolve_dep): New static functions.
10380 (try_ready): New function. Adjust callers in sched-rgn.c and
10381 sched-ebb.c to use it instead of ready_add.
10382 (clock_var): Move at the begining of file.
10383 (rank_for_schedule): Fix typo.
10384 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10385 (ready_lastpos): Enforce assertion.
10386 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10387 update all callers.
10388 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10389 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10390 (queue_to_ready): Use free_INSN_LIST_list.
10391 (early_queue_to_ready): Fix typo.
10392 (schedule_block): Init readyp. Move init_ready_list call after the
10393 initialization of clock_var. Fix error in rejecting insn by
10394 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10395 that previously corrected INSN_TICKs. Add code for handling
10397 (set_priorities): Fix typo.
10398 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10399 Clarify comment and code that keeps current_sched_info->next_tail
10402 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10404 * sched-rgn.c (extend_rgns): New static function.
10405 (find_rgns): Use it.
10406 (gather_region_statistics, print_region_statistics): New static
10408 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10409 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10411 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10412 Andrey Belevantsev <abel@ispras.ru>
10414 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10415 * lists.c (unused_deps_list): New variable.
10416 (free_list): Add assertions to verify the proper distinguishing
10417 between INSN_LISTs and DEPS_LISTs.
10418 (find_list_elem, remove_list_elem, remove_list_node): New static
10420 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10421 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10422 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10423 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10425 (free_INSN_LIST_node): Likewise.
10426 * modulo-sched.c (current_sched_info): Initialize flags field.
10427 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10428 * rtl.def (DEPS_LIST): Define.
10429 * rtl.h: Declare new functions from lists.c.
10430 * sched-deps.c (spec_dependency_cache): New static variable.
10431 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10432 (add_dependence): Change return type to void. Move the logic to ...
10433 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10434 (delete_all_dependences): Add comment about forward_dependency_cache.
10435 Handle spec_dependency_cache. Handle DEPS_LISTs.
10436 (fixup_sched_groups): Clarify the change of priority of output
10437 and anti dependencies.
10438 (sched_analyze_2): Adjust add_dependence calls to create data
10439 speculative dependence.
10440 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10441 Adjust all callers. Handle DEPS_LISTS.
10442 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10443 presence of speculation.
10444 (init_dependency_caches, free_dependency_caches):
10445 Handle spec_dependency_cache.
10446 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10447 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10448 New static functions.
10449 (add_or_update_back_dep, add_or_update_back_forw_dep,
10450 add_back_forw_dep, delete_back_forw_dep): New functions.
10451 * sched-int.h (ds_t, dw_t): New typedefs.
10452 (struct sched_info): Add new field flags.
10453 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10454 Prototype new sched-deps.c functions.
10455 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10456 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10457 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10458 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10459 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10460 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10462 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10464 * sched-rgn.c (current_sched_info): Initialize flags field.
10465 (schedule_insns): Initialize current_sched_info before the sched_init
10467 * sched-ebb.c (current_sched_info): Initialize flags field.
10468 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10469 Call add_or_update_back_dep instead of add_dependence.
10470 Create control speculative dependencies.
10471 (schedule_insns): Initialize current_sched_info before the sched_init
10474 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10476 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10478 (sh_fallback_frame_state): Likewise.
10480 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10482 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10483 Do switch on default_use_cxa_atexit.
10484 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10485 * config/darwin-crt3.o: New.
10486 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10487 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10488 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10490 * config/rs6000/t-darwin: Move crt2.o building to here.
10491 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10492 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10495 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10497 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10498 from '! xxx' to '!xxx' for coding-style conformance.
10499 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10500 (EXTRA_CONSTRAINT): Likewise.
10501 * config/vax/vax.md (four unnamed insns): Likewise.
10503 2006-03-15 Paul Brook <paul@codesourcery.com>
10505 * config/arm/arm.c (minipool_pad): New.
10506 (add_minipool_forward_ref): Include pool alignment padding in address
10508 (push_minipool_fix): Set minipool_pad.
10509 (minipool_pad): Ditto.
10511 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10513 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10514 instead of GET_CODE() == MEM and REG_P() instead of
10516 (print_operand_address): Likewise.
10517 (vax_address_cost): Likewise.
10518 (vax_rtx_costs): Likewise.
10519 (vax_notice_update_cc): Likewise.
10520 (vax_output_int_add): Likewise.
10521 (INDEX_REGISTER_P): Likewise.
10522 (BASE_REGISTER_P): Likewise.
10523 (nonindexed_address_p): Likewise.
10524 (vax_mode_dependent_address_p): Likewise.
10525 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10526 (PRINT_OPERAND): Likewise.
10527 * config/vax/vax.md (ashlsi3): Likewise.
10528 (ashlsi3): Likewise.
10529 (some more unnamed insns): Likewise.
10531 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10533 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10534 iterator-style macro.
10535 (mark_control_dependent_edges_necessary): Update the use of
10536 EXECUTE_IF_CONTROL_DEPENDENT.
10538 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10540 * config/sh/predicates.md (cache_address_operand): Special.
10541 (ua_address_operand): Likewise.
10543 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10545 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10547 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10549 2006-03-15 Andreas Schwab <schwab@suse.de>
10551 * gensupport.c (identify_predicable_attribute): Don't free p_false
10552 when it is still in use.
10554 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10556 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10557 the default setting here.
10559 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10561 * tree-pass.h (pass_cfg): Remove.
10562 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10563 * passes.c (pass_cfg): Don't run it.
10565 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10567 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10568 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10570 (stack_regs_mentioned): Update the uses of
10571 stack_regs_mentioned_data. Don't access the array beyond its
10573 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10574 Don't include gt-reg-stack.h.
10576 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10577 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10579 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10581 PR middle-end/26684
10582 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10585 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10587 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10589 2006-03-14 Richard Guenther <rguenther@suse.de>
10591 PR tree-optimization/26672
10592 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10595 2006-03-14 Richard Guenther <rguenther@suse.de>
10597 PR tree-optimization/26667
10598 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10599 node for the callees. Always allow inlining if it will shrink
10602 2006-03-14 Richard Guenther <rguenther@suse.de>
10604 PR middle-end/26659
10605 * builtins.c (get_pointer_alignment): Prefer alignment
10606 information from decls over that from types.
10608 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10611 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10613 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10615 * config/rs6000/rs6000.opt (mdlmzb): New option.
10616 (msched-prolog, msched-epilog): Use Var not Mask.
10617 * doc/invoke.texi (-mdlmzb): Document.
10618 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10620 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10621 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10623 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10625 PR rtl-optimization/25739
10626 * bt-load.c (augment_live_range): Free tos pointer.
10628 * gensupport.c (identify_predicable_attribute): Free
10630 * gcov.c (create_file_names): Free name pointer.
10632 2006-03-13 Roger Sayle <roger@eyesopen.com>
10634 PR middle-end/26557
10635 * stmt.c (emit_case_nodes): Handle the case where the index is a
10636 CONST_INT, where the comparison mode is specified by the index type.
10638 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10640 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10643 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10645 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10646 (*branch_fp_inverted): Likewise.
10648 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10650 PR middle-end/25989
10651 * omp-low.c (expand_omp_for_generic): Mark istart0
10652 and iend0 as addressable.
10654 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10656 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10658 2006-03-13 Jeff Law <law@redhat.com>
10660 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10661 virtual operands are interesting.
10662 (vrp_visit_stmt): Corresponding changes.
10664 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10666 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10668 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10669 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10670 * config/bfin/crti.S: Use it instead of __PIC__.
10671 * config/bfin/crtn.S: Likewise.
10673 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10674 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10676 Lose 'G' modifier for call operand.
10677 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10678 recognize 'G' modifier.
10680 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10682 PR middle-end/18859
10683 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10684 * stmt.c (expand_case): Likewise.
10686 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10688 PR rtl-optimization/26254
10689 * loop-invariant.c (seq_insns_valid_p): New function.
10690 (move_invariant_reg): Only emit new code if it is valid.
10692 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10694 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10696 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10697 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10698 (commit_one_edge_insertion): Do not look for loop notes.
10700 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10702 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10703 flag_test_coverage out of loop.
10705 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10707 * final.c (shorten_branches): Remove outdated comment, and turn
10708 the if branch that guards it to continue.
10710 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10712 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10713 * cfgloop.h (struct loop): Remove unused fields.
10715 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10717 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10718 (-dL, -fdump-rtl-loop2): Update the dump file names
10720 * doc/invoke.texi: Update dump file names.
10722 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10724 * predict.c (estimate_probability): Remove.
10725 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10726 * basic-block.h (estimate_probability): Remove prototype.
10727 * passes.c (finish_optimization_passes): Dump branch prediction or
10728 profiling heuristics to the .profile tree dump.
10729 (init_optimization_passes): Unqueue pass_branch_prob.
10731 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10733 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10735 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10736 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10738 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10740 * function.h (frame_offset_overflow): Declare.
10741 * function.c (frame_offset_overflow): New function.
10742 (assign_stack_local_1): Call it to detect that the offset overflows.
10743 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10745 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10747 * config/sh/sh.c: Include alloc-pool.h.
10748 (label_ref_list_pool): New alloc pool.
10749 (label_ref_list_t): New type for lists of labels.
10750 (struct pool_node): Make wend a label_ref_list_t.
10751 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10753 (dump_table): Likewise.
10754 (sh_reorg): Set up the alloc pool before using add_constant and
10755 dump_table, and destroy it when finishing.
10757 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10759 * config/mips/mips.c: Remove redundant comment.
10761 2006-03-10 Jason Merrill <jason@redhat.com>
10764 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10765 the target was declared 'register'.
10767 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10769 * genpreds.c (write_insn_constraint_len): Change definition of
10770 insn_constraint_len to return size_t to match the declaration.
10772 2006-03-10 DJ Delorie <dj@redhat.com>
10774 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10776 (m32c_expand_insv): Fix test for an AND mask.
10778 2006-03-10 Richard Guenther <rguenther@suse.de>
10780 PR middle-end/26565
10781 * builtins.c (get_pointer_alignment): Handle component
10782 references for field alignment.
10784 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10786 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10787 when building with libgloss.
10788 (sh*elf): Implement --without-fp option.
10789 (sh64-superh-linux*): Don't multilib.
10791 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10793 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10795 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10797 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10798 Set it when one of the replacement functions returned true.
10799 Return TODO_cleanup_cfg if cfgchanged is true.
10800 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10802 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10804 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10805 instead of gen_lowpart.
10807 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10809 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10811 (mips_output_order_conditional_branch): Declare.
10812 * config/mips/mips.h (MIPS_BRANCH): New macro.
10813 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10814 for the comparison. Use gen_condjump.
10815 (mips_output_conditional_branch): Rework interface to take the
10816 asm templates for a direct branch and the inverse of a direct branch.
10817 (mips_output_order_conditional_branch): New function.
10818 (mips_builtin_branch_and_move): New function.
10819 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10820 branch condition. Use gen_single_cc as the condition for
10821 __builtin_mips_upper_* or __builtin_mips_lower_*.
10822 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10823 Use VOIDmode for the branch condition.
10824 * config/mips/predicates.md (order_operator): New predicate.
10825 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10826 (branch_fp): Rename to...
10827 (*branch_fp): ...this. Remove mode from comparison operator.
10828 Use new mips_output_conditional_branch interface.
10829 (branch_fp_inverted): Rename to...
10830 (*branch_fp_inverted): ...this and update as for *branch_fp.
10831 (*branch_zero<mode>): Rename to...
10832 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10833 Use mips_output_order_conditional_branch. Only accept ordered
10835 (*branch_zero<mode>_inverted): Rename to...
10836 (*branch_order<mode>_inverted): ...this and update as for
10837 *branch_order<mode>.
10838 (*branch_equality<mode>): Accept zero as the second operand to
10839 the equality operator. Use the new mips_output_conditional_branch
10841 (*branch_equality<mode>_inverted): Likewise.
10842 (condjump): New expander.
10843 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10845 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10846 (bc1any2t, bc1any2f): Likewise.
10847 (single_cc): New expander.
10848 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10850 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10852 * doc/md.texi: Update documentation of MIPS constraints.
10853 * config/mips/constraints.md: New file.
10854 * config/mips/mips.md: Include it.
10855 * config/mips/mips.c (mips_char_to_class): Delete.
10856 (override_options): Don't initialize mips_char_to_class.
10857 * config/mips/mips.h (mips_char_to_class): Delete.
10858 (REG_CLASS_FROM_LETTER): Delete.
10859 (CONST_OK_FOR_LETTER_P): Delete.
10860 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10861 (EXTRA_CONSTRAINT_Y): Delete.
10862 (EXTRA_CONSTRAINT_STR): Delete.
10863 (CONSTRAINT_LEN): Delete.
10864 (EXTRA_MEMORY_CONSTRAINT): Delete.
10866 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10868 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10869 original fn's eh regions.
10871 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10873 * fold-const.c (build_range_check): Make sure to use a valid type to
10874 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10877 (range_predecessor): New static function.
10878 (range_successor): Likewise.
10879 (merge_ranges): Use them to compute predecessors and successors of
10882 2006-03-09 Roger Sayle <roger@eyesopen.com>
10884 PR middle-end/26561
10885 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10886 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10888 2006-03-08 DJ Delorie <dj@redhat.com>
10890 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10891 (addpsi3): Expand to include memory operands. Remove
10892 reload-specific splits.
10893 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10894 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10895 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10896 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10897 (shift1_qi, shift1_hi, insv): New.
10898 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10899 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10900 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10902 * config/m32c/m32c-protos.h: Update as needed.
10903 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10904 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10905 Fail for unrecognized R* constraints.
10906 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10907 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10908 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10910 (m32c_init_libfuncs): New.
10911 (m32c_legitimate_address_p): Add debug wrapper.
10912 (m32c_rtx_costs): New.
10913 (m32c_address_cost): New.
10914 (conversions): Add 'B' prefix.
10915 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10916 operands, or word regnames for QI operands. 'B' prints bit
10918 (m32c_expand_setmemhi): New.
10919 (m32c_expand_movmemhi): New.
10920 (m32c_expand_movstr): New.
10921 (m32c_expand_cmpstr): New.
10922 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10923 (m32c_expand_neg_mulpsi3): Handle non-ints.
10924 (m32c_cmp_flg_0): New.
10925 (m32c_expand_movcc): New.
10926 (m32c_expand_insv): New.
10927 (m32c_scc_pattern): New.
10928 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10929 a0/a1 out of SIregs.
10930 (STORE_FLAG_VALUE): New.
10931 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10934 * config/m32c/mov.md: Make constraints more liberal.
10935 (zero_extendqihi2): Optimize r0/r1 case.
10936 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10937 * config/m32c/predicates.md (m32c_any_operand): New.
10938 (m32c_nonimmediate_operand): New.
10939 (m32c_hl_operand): New.
10940 (m32c_r3_operand): New.
10943 (memsym_operand): New.
10944 (memimmed_operand): New.
10945 (a_qi_operand): New.
10946 (m32c_eqne_operator): New.
10947 (m32c_1bit8_operand): New.
10948 (m32c_1bit16_operand): New.
10949 (m32c_1mask8_operand): New.
10950 (m32c_1mask16_operand): New.
10951 * config/m32c/blkmov.md: New file.
10952 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10954 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10956 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10957 unsigned to fix signed/unsigned comparison issue in
10958 DWARF2_FRAME_REG_OUT.
10959 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10960 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10962 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10963 of ptr into the ENABLE_CHECKING section.
10965 2006-03-08 Jeff Law <law@redhat.com>
10967 * tree-vrp.c (infer_value_range): Only count pointer uses
10968 and dereferences if -fdelete-null-pointer-checks is enabled.
10970 * tree-vrp.c (find_assert_locations): Infer value ranges for
10971 single use pointers, but do not create ASSERT_EXPRs for them.
10972 When a non-null range is inferred for a pointer, backwards
10973 propagate that range to other equivalent pointers through the
10976 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10979 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10980 language hook targets.
10981 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10982 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10983 if language hook targets were missing.
10985 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10987 * tree-ssa-opfinalize.h: Removed.
10988 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10990 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10991 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10992 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10993 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10994 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10995 finalize_ssa_v_must_def_ops): New.
10997 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10999 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11000 block as parameter.
11002 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11004 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11006 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11007 addresses with offsets; reorganize.
11009 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11010 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11011 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11013 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11016 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11018 2006-03-08 Ben Elliston <bje@au.ibm.com>
11020 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11022 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11025 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11028 2006-03-07 Richard Guenther <rguenther@suse.de>
11030 PR tree-optimization/26587
11031 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11033 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11035 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11037 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11039 * hooks.c (hook_bool_mode_rtx_true): New function.
11040 * hooks.h (hook_bool_mode_rtx_true): Declare.
11041 * toplev.c (compile_file): Call output_shared_constant_pool.
11042 * varasm.c (shared_constant_pool): New variable.
11043 (assemble_start_function, assemble_end_function): Remove arguments
11044 from call to output_constant_pool.
11045 (create_constant_pool): New function, split out from...
11046 (init_varasm_status): ...here.
11047 (force_const_mem): Choose between the shared and per-function constant
11048 pools. Set current_function_uses_const_pool when reusing old entries
11049 as well as when creating new ones.
11050 (mark_constant): Ignore data argument.
11051 (mark_constants): Remove pool argument.
11052 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11053 to decide whether the function uses a constant pool.
11054 (output_constant_pool_contents): New function, split out from...
11055 (output_constant_pool): ...here.
11056 (output_shared_constant_pool): New function.
11057 (init_varasm_once): Initialize shared_constant_pool.
11058 * output.h (output_constant_pool): Delete.
11059 (output_shared_constant_pool): Declare.
11060 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11061 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11063 2006-03-06 Nick Clifton <nickc@redhat.com>
11065 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11066 flag_strength_reduce.
11068 2006-03-06 Ben Elliston <bje@au.ibm.com>
11070 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11071 x86_64-*-linux* configurations.
11073 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11074 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11076 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11078 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11080 * basic-block.h: Remove the extern for
11081 rediscover_loops_after_threading.
11083 * cfgloop.c (cancel_loop): Make it static.
11084 * cfgloop.h: Remove the prototype for cancel_loop.
11086 * flow.c (recompute_reg_usage): Make it static.
11087 * rtl.h: Remove the prototype for recompute_reg_usage.
11089 * function.c (use_return_register): Make it static.
11090 * function.h: Remove the prototype.
11092 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11094 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11096 * recog.h: Remove the prototype for
11097 validate_change_maybe_volatile.
11099 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11101 * rtlanal.c (replace_reg): Remove.
11102 * rtl.h: Remove the prototype for replace_reg.
11104 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11106 * regclass.c (reg_scan_update): Remove.
11107 (reg_scan_mark_refs): Remove the last argument.
11108 * rtl.h: Remove the prototype for reg_scan_update.
11110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11112 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11113 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11114 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11115 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11116 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11117 loop-invariant.c, omp-low.c, opts.c, passes.c,
11118 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11119 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11120 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11121 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11122 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11123 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11127 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11128 * dwarf2out.h: Remove the prototype for
11129 dwarf2out_add_library_unit_info.
11131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11133 * tree.c (add_var_to_bind_expr): Remove.
11134 * tree.h: Remove the prototype for add_var_to_bind_expr.
11136 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11138 * regclass.c (n_non_fixed_regs): Remove.
11139 (init_reg_sets_1, globalize_reg): Remove all uses of
11141 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11143 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11145 * rtlanal.c (insns_safe_to_move_p): Remove.
11146 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11148 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11150 * expmed.c (expand_mult_add): Remove.
11151 * expr.h: Remove the prototype for expand_mult_add.
11153 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11155 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11156 and REG_SAVED_VAL_EXP constants.
11157 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11158 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11159 Handle regs stored by value.
11160 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11161 (execute_cfa_program): Handle DW_CFA_val_offset,
11162 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11163 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11164 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11165 (uw_install_context_1): Handle target regs stored by value.
11167 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11169 * tree-sra.c (tree_sra): Return todoflags;
11170 (generate_one_element): Set TODO_update_smt_usage if needed.
11171 (pass_sra): Remove TODO_update_smt_usage.
11172 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11174 (tree_ssa_forward_propagate_single_use_vars): Return
11175 TODO_update_smt_usage if we need to update SMT usage.
11176 (pass_forwprop): Remove TODO_update_smt_usage.
11178 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11180 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11181 (correct_use_link): Remove reference to get_stmt_operands.
11182 (update_stmt_operands): Likewise.
11183 (get_modify_expr_operands): New function factored out of
11184 parse_ssa_operands and get_expr_operands.
11185 Try to create V_MUST_DEFs for LHS by default.
11186 (get_expr_operands) <case MODIFY_EXPR>: Call
11187 get_modify_expr_operands.
11188 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11189 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11190 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11191 get_modify_expr_operands.
11193 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11195 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11196 * tree-flow.h: Remove the prototype for
11197 referenced_var_lookup_if_exists.
11199 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11201 PR rtl-optimization/26345
11203 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11205 2006-03-03 Roger Sayle <roger@eyesopen.com>
11207 PR tree-optimization/26524
11208 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11209 fold_convert to create a constant of the appropriate type.
11211 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11213 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11214 SYMBOL_REF_IN_BLOCK_P.
11215 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11216 of SYMBOL_FLAG_IN_BLOCK.
11217 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11218 instead of SYMBOL_REF_IN_BLOCK_P.
11219 * explow.c (use_anchored_address): Likewise.
11220 * rtl.c (rtx_size): Likewise.
11221 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11222 instead of SYMBOL_FLAG_IN_BLOCK.
11223 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11224 SYMBOL_REF_IN_BLOCK_P.
11225 (assemble_variable): Likewise.
11226 (output_constant_def_contents): Likewise.
11227 (output_constant_pool): Likewise.
11228 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11229 instead of SYMBOL_FLAG_IN_BLOCK.
11230 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11231 SYMBOL_REF_IN_BLOCK_P.
11232 (SYMBOL_REF_BLOCK): Likewise.
11233 (SYMBOL_REF_OFFSET): Likewise.
11234 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11235 SYMBOL_REF_IN_BLOCK_P.
11236 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11237 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11238 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11239 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11241 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11243 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11245 2006-03-02 Roger Sayle <roger@eyesopen.com>
11247 * simplify-rtx.c (simplify_unary_operation): When simplifying
11248 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11249 that we perform the right shift in the appropriate mode, and
11250 then extend or truncate the result to requested mode.
11252 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11254 * gengtype.c (main): Handle double_int type.
11255 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11256 * double-int.c: New file.
11257 * double-int.h: New file.
11258 * system.h: Include doubleint.h.
11259 * Makefile.in (SYSTEM_H): Include double-int.h.
11260 (double-int.o): Add.
11262 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11265 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11268 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11270 * tree-vrp.c (remove_range_assertions): Do not update statements
11273 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11275 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11277 * gcse.c (rest_of_handle_gcse): Ditto.
11278 * except.c (gate_handle_eh): Ditto.
11279 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11280 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11282 2006-03-02 Eric Christopher <echristo@apple.com>
11284 * config/i386/i386.c (machopic_output_stub): Add indirection to
11287 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11291 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11293 Sun Niagara specific optimizations.
11294 * config.gcc: Recognize niagara as target.
11295 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11296 (TARGET_CPU_niagara): Define.
11297 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11298 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11299 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11300 (ASM_CPU_SPEC): Likewise.
11301 (PROCESSOR_NIAGARA): New enum entry.
11302 (REGISTER_MOVE_COST): Handle Niagara.
11303 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11304 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11305 (sparc_override_options): Recognize "niagara", set appropriate
11306 default MASK_* values for it, and align functions to 32-bytes
11307 by default just like ULTRASPARC/ULTRASPARC3.
11308 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11309 (sparc64_initialize_trampoline): Likewise.
11310 (sparc_use_sched_lookahead): Use zero for niagara.
11311 (sparc_issue_rate): Use one for niagara.
11312 * config/sparc/niagara.md: New file.
11313 * config/sparc/sparc.md: Include it.
11314 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11315 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11316 when default cpu is niagara.
11317 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11318 (ASM_CPU_SPEC): Likewise.
11319 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11320 when default cpu is niagara.
11321 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11322 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11323 just like v9/ultrasparc/ultrasparc3.
11324 * doc/invoke.texi: Add documentation for "niagara" and improve
11325 existing documentation for ultrasparc variants.
11327 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11329 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11331 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11333 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11334 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11335 and say that only one is needed.
11336 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11337 * target.h (have_switchable_bss_sections): New hook.
11338 * explow.c (use_anchored_address): Check that the symbol is in a block.
11339 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11340 (bss_noswitch_section): New variables.
11341 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11342 (get_noswitch_section): New function.
11343 (get_block_for_section): Allow SECT to be null.
11344 (unlikely_text_section_p): Use SECTION_STYLE.
11345 (bss_initializer_p): New function.
11346 (get_variable_section): Move earlier in file. Take a new argument,
11347 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11348 Return one of the new *_sections in such cases.
11349 (get_block_for_decl): New function, extracting some logic from
11350 use_blocks_for_decl_p.
11351 (change_symbol_section): Remove in favor of...
11352 (change_symbol_block): ...this new function.
11353 (use_blocks_for_decl_p): Remove checks now performed by
11354 get_block_for_decl.
11355 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11356 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11357 (emit_local, emit_bss, emit_common): ...these new functions.
11358 Return true if the alignment was honored.
11359 (emit_tls_common): New function.
11360 (asm_emit_uninitialised): Delete.
11361 (assemble_variable_noswitch): New function, split out from...
11362 (assemble_variable): ...here. Don't make decisions about common
11363 variables here. Globalize all public decls that go into non-common
11364 sections. Check whether SYMBOL_REF_BLOCK is null.
11365 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11366 (output_constant_pool): Likewise.
11367 (init_varasm_once): Initialize the new section variables.
11368 (have_global_bss_p): New function.
11369 (categorize_decl_for_section): Use bss_initializer_p.
11370 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11371 (place_block_symbol): Assert that the symbol must be in a block.
11372 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11373 (TARGET_INITIALIZER): Include it.
11374 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11375 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11376 (SECTION_MACH_DEP): Bump by two.
11377 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11378 (unnamed_section): Mention SECTION_UNNAMED in comment.
11379 (named_section): Likewise SECTION_NAMED.
11380 (noswitch_section_callback): New type.
11381 (noswitch_section): New structure.
11382 (section): Add a noswitch_section alternative.
11383 (SECTION_STYLE): New macro.
11384 (tls_comm_section, comm_section, lcomm_section): Declare.
11385 (bss_noswitch_section, have_global_bss_p): Declare.
11386 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11387 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11389 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11390 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11393 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11395 * tree-vrp.c (execute_vrp): Return value.
11396 * regrename.c (rest_of_handle_regrename): Ditto.
11397 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11398 * tree-complex.c (tree_lower_complex): Ditto.
11399 (tree_lower_complex_O0): Ditto.
11400 * tracer.c (rest_of_handle_tracer): Ditto.
11401 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11402 * postreload.c (rest_of_handle_postreload): Ditto.
11403 * tree-tailcall.c (execute_tail_recursion): Ditto.
11404 (execute_tail_calls): Ditto.
11405 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11406 * tree.h (init_function_for_compilation): Ditto.
11407 * ipa-cp.c (ipcp_driver): Ditto.
11408 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11409 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11410 * final.c (compute_alignments): Ditto.
11411 (rest_of_handle_final): Ditto.
11412 (rest_of_handle_shorten_branches): Ditto.
11413 (rest_of_clean_state): Ditto.
11414 * omp-low.c (execute_expand_omp): Ditto.
11415 (execute_lower_omp): Ditto.
11416 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11417 * ipa-reference.c (static_execute): Ditto.
11418 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11419 * reorg.c (rest_of_handle_delay_slots): Ditto.
11420 (rest_of_handle_machine_reorg): Ditto.
11421 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11422 * flow.c (recompute_reg_usage): Ditto.
11423 (rest_of_handle_remove_death_notes): Ditto.
11424 (rest_of_handle_life): Ditto.
11425 (rest_of_handle_flow2): Ditto.
11426 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11427 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11428 (do_ssa_store_ccp): Ditto.
11429 (execute_fold_all_builtins): Ditto.
11430 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11431 * modulo-sched.c (rest_of_handle_sms): Ditto.
11432 * ipa-pure-const.c (static_execute): Ditto.
11433 * cse.c (rest_of_handle_cse): Ditto.
11434 (rest_of_handle_cse2): Ditto.
11435 * web.c (rest_of_handle_web): Ditto.
11436 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11437 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11438 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11439 * tree-nrv.c (tree_nrv): Ditto.
11440 (execute_return_slot_opt): Ditto.
11441 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11442 (create_structure_vars): Ditto.
11443 * loop-init.c (rtl_loop_init): Ditto.
11444 (rtl_loop_done): Ditto.
11445 (rtl_move_loop_invariants): Ditto.
11446 (rtl_unswitch): Ditto.
11447 (rtl_unroll_and_peel_loops): Ditto.
11448 (rtl_doloop): Ditto.
11449 * gimple-low.c (lower_function_body): Ditto.
11450 (mark_used_blocks): Ditto.
11451 * tree-ssa-sink.c (execute_sink_code): Ditto.
11452 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11453 (cgraph_early_inlining): Ditto.
11454 * global.c (rest_of_handle_global_alloc): Ditto.
11455 * jump.c (cleanup_barriers): Ditto.
11456 (purge_line_number_notes): Ditto.
11457 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11458 (rest_of_handle_if_after_reload): Ditto.
11459 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11460 (tree_ssa_loop_im): Ditto.
11461 (tree_ssa_loop_unswitch): Ditto.
11462 (tree_vectorize): Ditto.
11463 (tree_linear_transform): Ditto.
11464 (tree_ssa_loop_ivcanon): Ditto.
11465 (tree_ssa_empty_loop): Ditto.
11466 (tree_ssa_loop_bounds): Ditto.
11467 (tree_complete_unroll): Ditto.
11468 (tree_ssa_loop_prefetch): Ditto.
11469 (tree_ssa_loop_ivopts): Ditto.
11470 (tree_ssa_loop_done): Ditto.
11471 * predict.c (tree_estimate_probability): Ditto.
11472 * recog.c (split_all_insns_noflow): Ditto.
11473 (rest_of_handle_peephole2): Ditto.
11474 (rest_of_handle_split_all_insns): Ditto.
11475 * tree-eh.c (lower_eh_constructs): Ditto.
11476 * regmove.c (rest_of_handle_regmove): Ditto.
11477 (rest_of_handle_stack_adjustments): Ditto.
11478 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11479 * function.c (instantiate_virtual_regs): Ditto.
11480 (init_function_for_compilation): Ditto.
11481 (rest_of_handle_check_leaf_regs): Ditto.
11482 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11483 (rest_of_handle_gcse): Ditto.
11484 * ipa-type-escape.c (type_escape_execute): Ditto.
11485 * alias.c (rest_of_handle_cfg): Ditto.
11486 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11487 * profile.c (rest_of_handle_branch_prob): Ditto.
11488 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11489 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11490 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11491 * tree-dfa.c (find_referenced_vars): Ditto.
11492 * except.c (set_nothrow_function_flags): Ditto.
11493 (convert_to_eh_region_ranges): Ditto.
11494 (rest_of_handle_eh): Ditto.
11495 * emit-rtl.c (unshare_all_rtl): Ditto.
11496 (remove_unnecessary_notes): Ditto.
11497 * except.h (set_nothrow_function_flags): Ditto.
11498 (convert_to_eh_region_ranges): Ditto.
11499 * cfgexpand.c (tree_expand_cfg): Ditto.
11500 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11501 * tree-ssa-pre.c (do_pre): Ditto.
11502 (execute_fre): Ditto.
11503 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11504 (rest_of_handle_jump2): Ditto.
11505 * tree-sra.c (tree_sra): Ditto.
11506 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11507 (execute_mudflap_function_decls): Ditto.
11508 * tree-ssa-copy.c (do_copy_prop): Ditto.
11509 (do_store_copy_prop): Ditto.
11510 * ipa-prop.h (ipcp_driver): Ditto.
11511 * cfglayout.c (insn_locators_initialize): Ditto.
11512 * tree-ssa-forwprop.c
11513 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11514 * cfglayout.h (insn_locators_initialize): Ditto.
11515 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11516 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11517 (execute_late_warn_uninitialized): Ditto.
11518 * rtl.h (cleanup_barriers): Ditto.
11519 (split_all_insns_noflow): Ditto.
11520 (purge_line_number_notes): Ditto.
11521 (unshare_all_rtl): Ditto.
11522 (remove_unnecessary_notes): Ditto.
11523 (recompute_reg_usage): Ditto.
11524 (variable_tracking_main): Ditto.
11525 * integrate.c (emit_initial_value_sets): Ditto.
11526 * integrate.h (emit_initial_value_sets): Ditto.
11527 * tree-optimize.c (execute_free_datastructures): Ditto
11528 (execute_free_cfg_annotations): Ditto.
11529 (execute_fixup_cfg): Ditto.
11530 (execute_cleanup_cfg_pre_ipa): Ditto.
11531 (execute_cleanup_cfg_post_optimizing): Ditto.
11532 (execute_init_datastructures): Ditto.
11533 * tree-object-size.c (compute_object_sizes): Ditto.
11534 * combine.c (rest_of_handle_combine): Ditto.
11535 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11536 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11537 (rest_of_handle_reorder_blocks): Ditto.
11538 (rest_of_handle_partition_blocks): Ditto.
11539 * var-tracking.c (variable_tracking_main): Ditto.
11540 * tree-profile.c (tree_profiling): Ditto.
11541 * tree-vect-generic.c (expand_vector_operations): Ditto.
11542 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11543 * sched-rgn.c (rest_of_handle_sched): Ditto.
11544 (rest_of_handle_sched2): Ditto.
11545 * basic-block.h (free_bb_insn): Ditto.
11546 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11547 * tree-cfg.c (execute_build_cfg): Ditto.
11548 (remove_useless_stmts): Ditto.
11549 (split_critical_edges): Ditto.
11550 (execute_warn_function_return): Ditto.
11551 (execute_warn_function_noreturn): Ditto.
11552 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11553 * cfgrtl.c (free_bb_for_insn): Ditto.
11554 * passes.c (execute_one_pass): Run additional
11555 todos returned by execute function.
11556 * tree-pass.h (struct tree_opt_pass): Make execute
11559 2006-03-02 Richard Guenther <rguenther@suse.de>
11561 * tree-ssa-alias.c (find_used_portions): Consider taking
11562 the address as making the variable not write-only.
11564 2006-03-02 Nick Clifton <nickc@redhat.com>
11566 * config.gcc (default_use_cxa_atexit): Extend the description of
11567 this configure variable. Set its default value to "yes" for
11568 Linux, NetBSD and ELF targets on the assumption that they will
11569 use C libraries with the __cxa_atexit function.
11571 2006-03-02 Ben Elliston <bje@au.ibm.com>
11573 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11574 parameter as unused to suppress a build warning.
11576 2006-03-02 Ben Elliston <bje@au.ibm.com>
11578 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11581 2006-03-01 Roger Sayle <roger@eyesopen.com>
11584 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11585 declared name, the weak reference name, and the typeof name.
11586 (__gthrw): Avoid expanding the declared name suffix.
11587 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11589 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11591 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11593 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11594 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11595 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11596 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11597 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11598 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11599 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11600 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11601 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11602 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11603 (DW_END_default, DW_END_big, DW_END_little): New.
11604 (DW_END_lo_user, DW_END_hi_user): Define.
11605 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11606 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11607 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11610 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11612 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11614 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11616 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11618 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11620 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11621 to 'symbol_mem_tag'.
11623 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11626 2006-03-01 Roger Sayle <roger@eyesopen.com>
11628 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11630 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11633 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11634 MACHO_DYNAMIC_NO_PIC_P.
11635 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11637 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11640 * config/darwin-protos.h (darwin_asm_output_anchor):
11642 * config/darwin-sections.def (cstring_section):
11643 Add SECTION_MERGE to the flags.
11644 (literal4_section): Likewise.
11645 (literal8_section): Likewise.
11646 (objc_selector_refs_section): Likewise.
11647 (objc_cls_refs_section): Likewise.
11648 * config/darwin.c (darwin_asm_output_anchor): New
11650 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11652 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11654 Fix PR tree-optimization/26443
11655 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11656 to todo and PROP_tmt_usage to properties_destroyed.
11657 * tree-ssa-ccp.c (pass_ccp): Ditto.
11658 (pass_store_ccp): Ditto.
11659 * tree-ssa-dom.c (pass_dominator): Ditto.
11661 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11663 * tree-ssa-operands.c: Cleanup whitespace.
11664 (get_asm_expr_operands): Move before first invocation.
11665 (get_indirect_ref_operands): Likewise.
11666 (get_tmr_operands): Likewise.
11667 (get_call_expr_operands): Likewise.
11668 (append_def): Likewise.
11669 (append_use): Likewise.
11670 (append_v_may_def): Likewise.
11671 (append_v_must_def): Likewise.
11672 (add_call_clobber_ops): Likewise.
11673 (add_call_read_ops): Likewise.
11674 (add_stmt_operand): Likewise.
11675 (add_virtual_operand): Likewise.
11676 (build_ssa_operands): Likewise.
11678 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11680 PR middle-end/26022
11682 PR middle-end/24437
11683 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11684 with a call expr to ...
11685 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11687 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11689 * tree-vrp.c (extract_range_from_assert): Remove special
11690 handling for types with super-types.
11692 2006-03-01 Ben Elliston <bje@au.ibm.com>
11694 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11695 and powerpc64-*-linux* configurations.
11696 * config/t-dfprules: New file.
11698 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11699 Compile dfp-bit.c from the source directory using -DWIDTH and
11700 $DFP_CFLAGS to control the compilation of that file, rather than
11701 generating width-specific versions in the build directory.
11702 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11703 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11705 2006-02-28 Zack Weinberg <zackw@panix.com>
11707 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11710 2006-02-28 Eric Christopher <echristo@apple.com>
11712 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11713 Set up IN_LIBGCC definition of TARGET_64BIT.
11714 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11716 2006-02-28 Roger Sayle <roger@eyesopen.com>
11718 PR middle-end/14752
11719 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11720 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11721 cases via the construction of "expr != 0".
11723 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11725 * alias.c (alias_invariant, alias_invariant_size): Remove.
11726 (record_base_value): Remove.
11727 (memrefs_conflict_p): Don't look at alias_invariant.
11728 (end_alias_analysis): Don't free it.
11729 * alias.h (record_base_value): Remove prototype.
11731 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11732 Adam Nemet <anemet@caviumnetworks.com>
11734 * rtl.h (truncated_to_mode): Declare it.
11735 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11736 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11737 (RTL_HOOKS_INITIALIZER): Include it.
11738 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11739 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11740 reg_truncated_to_mode.
11741 * rtlanal.c (truncated_to_mode): Define it.
11742 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11744 2006-02-28 Jeff Law <law@redhat.com>
11746 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11747 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11748 the range allowed by TYPE_PRECISION.
11750 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11752 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11754 PR tree-optimization/26419
11755 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11758 2006-02-27 Zack Weinberg <zackw@panix.com>
11760 * doc/md.texi: Fix typo in previous change.
11762 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11766 2006-02-27 Zack Weinberg <zackw@panix.com>
11768 * rtl.def (define_constraint, define_register_constraint)
11769 (define_memory_constraint, define_address_constraint): New MD forms.
11770 * gensupport.c (process_rtx): Put define_constraint etc on the
11772 * genpreds.c (process_define_predicate): Adjust comment. Validate
11773 the name, and call validate_exp to validate the expression.
11774 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11775 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11776 all callers changed.
11777 (validate_exp, needs_variable, struct constraint_data)
11778 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11779 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11780 (const_dbl_constraints, constraint_max_namelen)
11781 (have_register_constraints, have_memory_constraints)
11782 (have_address_constraints, have_address_constraints)
11783 (have_extra_constraints, have_const_int_constraints)
11784 (have_const_dbl_constraints, mangle, add_constraint)
11785 (process_define_constraint, process_define_register_constraint)
11786 (write_enum_constraint_num, write_lookup_constraint)
11787 (write_insn_constraint_len, write_regclass_for_constraint)
11788 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11789 (write_insn_extra_memory_constraint)
11790 (write_insn_extra_address_constraint)
11791 (write_satisfies_constraint_fns): New.
11792 (write_tm_preds_h): If we have new-style constraint definitions,
11793 prototype the functions generated from them, and define the
11794 old constraint interface (still used by generic code) in terms of
11796 (write_insn_preds_c): If we have new-style constraint definitions,
11797 generate all relevant functions from those definitions.
11798 (main): Handle define_constraint etc.
11799 * genoutput.c (struct constraint_data, indep_constraints)
11800 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11801 (mdep_constraint_len): New data structures and functions, defined
11802 #ifdef USE_MD_CONSTRAINTS.
11803 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11804 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11805 use new logic to validate operand constraints against constraint
11807 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11809 * defaults.h: If none of the old-style constraint macros are
11810 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11811 old-style macros; and poison REG_CLASS_FROM_LETTER,
11812 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11814 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11815 * doc/md.texi: Document new constraint-definition mechanism and the
11816 C interface it provides. Remove references to old mechanism
11817 elsewhere in the document.
11818 (Machine Constraints): Use pathnames relative to gcc directory,
11819 i.e. config/ARCH/FILE. Change i386 section to refer to
11820 config/i386/predicates.md; update that section to match docstrings.
11821 * doc/tm.texi: Move all documentation of the old constraint-
11822 definition macros to their own section, clearly mark as obsolete.
11824 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11825 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11827 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11828 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11829 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11830 constraint strings.
11831 (splits and peepholes): Use satisfies_constraint_*.
11832 * config/i386/i386.c (memory_address_length)
11833 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11835 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11837 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11838 scalar operation to be put back into the loop.
11840 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11843 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11844 (extract_cie_info): Handle S flag in augmentation string.
11845 (execute_cfa_program): If context->signal_frame, execute also
11846 fs->pc == context->ra instructions.
11847 (uw_frame_state_for): If context->signal_frame, don't subtract one
11848 from context->ra to find FDE.
11849 (uw_update_context_1): Set context->signal_frame to
11851 (_Unwind_GetIPInfo): New function.
11852 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11853 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11855 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11856 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11857 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11858 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11859 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11860 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11861 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11862 x86_64_fallback_frame_state): Set fs->signal_frame.
11863 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11864 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11865 (frob_update_context): Likewise. Workaround missing S flag in
11866 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11867 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11868 Remove the psw_addr + 1 hack.
11870 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11872 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11873 with aggregates here.
11874 (find_func_aliases): Remove code for &<aggregate> from here.
11876 2006-02-26 Roger Sayle <roger@eyesopen.com>
11878 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11879 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11880 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11881 as (X & C) ne/eq 0.
11883 2006-02-26 Roger Sayle <roger@eyesopen.com>
11885 PR middle-end/19983
11886 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11888 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11890 * opts.c (decode_options): Do not handle flag_strength_reduce.
11891 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11892 and OPT_fstrength_reduce.
11893 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11894 flag_prefetch_loop_arrays for being nonzero.
11895 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11897 (fprefetch-loop-arrays-rtl): Removed.
11898 (flag_prefetch_loop_arrays): Do not specify the value.
11900 * doc/passes.texi: Update documentation of loop optimizer
11902 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11903 -frerun-loop-opt): Remove.
11905 2006-02-26 Richard Guenther <rguenther@suse.de>
11907 PR tree-optimization/26421
11908 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11909 in function calls that are ADDR_EXPRs as using the whole structure.
11911 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11913 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11914 * tree-pass.h (pass_loop_optimize): Remove.
11915 * passes.c (pass_loop_optimize): Never run it.
11916 * toplev.c (backend_init): Don't call init_loop.
11917 * opts.c (flag_loop_optimize_set): Remove.
11918 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11919 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11920 the old RTL loop optimizer when profiling enabled.
11921 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11922 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11923 pre-headers for the sake of the old RTL loop optimizer.
11924 * Makefile.in: Remove all references to loop.o.
11926 * doc/invoke.texi: Remove all references to -floop-optimize
11927 and -frerun-loop-opt.
11929 2006-02-26 Zack Weinberg <zackw@panix.com>
11931 * doc/md.texi (Machine Constraints): Refer to all files with paths
11932 relative to gcc directory (i.e. config/CPU/file). Add missing
11933 @table @code ... @end table to M32C subsection.
11935 2006-02-26 Roger Sayle <roger@eyesopen.com>
11937 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11939 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11941 2006-02-26 Roger Sayle <roger@eyesopen.com>
11942 James A. Morrison <phython@gcc.gnu.org>
11944 PR middle-end/21137
11945 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11946 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11947 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11948 signedness of the shift operation.
11950 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11952 PR tree-optimization/26359
11953 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11955 2006-02-25 Roger Sayle <roger@eyesopen.com>
11957 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11958 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11959 as X == 0, and some symmetry related transformations.
11960 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11962 2006-02-25 Roger Sayle <roger@eyesopen.com>
11964 PR middle-end/23673
11965 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11966 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11967 symmetry related transformations. Fold (X^C1) == C2 as
11970 2006-02-25 Juergen Weigert <jw@suse.de>
11971 Richard Guenther <rguenther@suse.de>
11973 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11975 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11977 * combine.c (gen_lowpart_or_truncate): Call
11978 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11980 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11982 * doc/invoke.texi: Move -fopenmp description to "Options for
11984 Remove reference to -lgomp.
11986 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11988 * doc/install.texi: Require GNU tar version 1.14.
11990 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11992 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11993 * doc/invoke.texi (C++ Dialect Options): Document
11994 -fno-use-cxa-get-exception-ptr.
11995 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11996 * configure: Regenerate.
11997 * c.opt (fuse-cxa-get-exception-ptr): New.
11998 * c-opts.c (c_common_handle_option): Handle
11999 OPT_fuse_cxa_get_exception_ptr.
12000 * c-common.c (flag_use_cxa_atexit): Update documentation.
12001 (flag_use_cxa_get_exception_ptr): New.
12002 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12003 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12005 (C_COMMON_OVERRIDE_OPTIONS): New.
12007 2006-02-24 Roger Sayle <roger@eyesopen.com>
12009 PR middle-end/24952
12010 * combine.c (try_combine): Explicitly check whether GET_CODE is
12011 a SET or a CLOBBER, instead on checking that it isn't a USE.
12013 2006-02-24 Roger Sayle <roger@eyesopen.com>
12015 * fold-const.c (fold_comparison): New subroutine of fold_binary
12016 containing transformations common to both the equality and
12017 ordering relational operators, factored out of fold_binary.
12018 (fold_binary): Separate out the equality operators (EQ_EXPR
12019 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12020 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12021 transformations common to both.
12022 (fold_div_compare): Fix latent bugs in the previously unreachable
12023 LT_EXPR and GE_EXPR cases.
12025 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12027 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12028 decl libname for clog to __clog on AIX.
12030 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12032 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12035 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12036 output traceback table for thunks. Localise rs6000_stack_info call.
12038 2006-02-23 Roger Sayle <roger@eyesopen.com>
12039 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12041 * gthr-posix.h (__gthrw): Fix typo in comment.
12043 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12045 * doc/cpp.texi (Character sets): Document that we do support
12046 input files to be in any character set.
12048 2006-02-23 Jeff Law <law@redhat.com>
12050 * tree.h (PHI_ARG_NONZERO): Remove.
12051 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12052 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12053 node to the new node.
12055 PR tree-optimization/26425
12056 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12057 min/max, then assume its varying.
12059 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12061 PR rtl-optimization/26316
12062 * rtlanal.c (enum may_trap_p_flags): New.
12063 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12064 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12065 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12066 (may_trap_after_code_motion_p): New function.
12067 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12068 (find_invariant_insn): Use may_trap_after_code_motion_p.
12069 * rtl.h (may_trap_after_code_motion_p): Declare.
12071 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12073 * emit-rtl.c (immed_double_const): Cleanup.
12075 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12077 Fix PR tree-optimization/26376
12078 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12081 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12083 PR middle-end/26412
12084 * gimplify.c (omp_add_variable): Guard variable size decl test with
12085 DECL_SIZE (decl) check.
12087 2006-02-23 Richard Guenther <rguenther@suse.de>
12089 PR middle-end/26439
12090 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12091 like aggregate types.
12093 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12095 * configure.ac: Add --with{,out}-long-double-128 configure option.
12096 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12097 * configure: Rebuilt.
12098 * config.in: Rebuilt.
12099 * doc/install.texi (Options specification): Document
12100 --with-long-double-128.
12102 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12103 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12104 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12105 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12107 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12109 * config/s390/s390.c (override_options): Handle
12110 TARGET_DEFAULT_LONG_DOUBLE_128.
12112 * config/alpha/alpha.c (override_options): Handle
12113 TARGET_DEFAULT_LONG_DOUBLE_128.
12115 * config/sparc/sparc.c (sparc_override_options): Handle
12116 TARGET_DEFAULT_LONG_DOUBLE_128.
12118 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12120 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12121 (real-install-headers-tar, real-install-headers-cpio)
12122 (real-install-headers-cp): New targets.
12124 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12126 * tree.h (variable_section): Delete.
12127 * varasm.c (variable_section): Delete.
12129 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12131 * install.texi: Add notes on install.texi2html.
12132 (Building in parallel): Do not use footnotes.
12134 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12137 * doc/install.texi (Configuration): Document --disable-libgomp.
12139 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12141 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12143 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12145 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12146 (vec_extractv2df_0_sse): New.
12148 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12150 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12151 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12152 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12153 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12154 to the result of the expression.
12155 (def_cfa_1): Adjust.
12156 (frame_pointer_cfa_offset): Rename to...
12157 (frame_pointer_fb_offset): ... this. Adjust all uses.
12158 (convert_cfa_to_loc_list): Rename to...
12159 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12160 Pass it on to build_cfa_loc.
12161 (compute_frame_pointer_to_cfa_displacement): Rename to...
12162 (compute_frame_pointer_to_fb_displacement): ... this. New
12163 offset parameter. Use it in computation.
12164 (gen_subprogram_die): Compute cfa_fb_offset with the new
12165 macro, and use it to compute the fb loc list and the
12168 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12170 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12171 replaced with register_operand.
12172 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12173 non-DREG is expensive.
12174 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12175 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12178 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12180 * doc/install.texi2html: Use set -e.
12182 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12184 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12185 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12186 * doc/invoke.texi (-fshared-data): Delete.
12187 * common.opt (fshared-data): Delete.
12188 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12189 (assemble_static_space): Remove #if 0 code.
12190 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12191 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12192 * config/cris/cris.h: Remove FIXME.
12194 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12196 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12199 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12201 PR middle-end/26379
12202 * combine.c (simplify_shift_const_1): Disable nested shifts
12203 optimization for vector shifts.
12205 2006-02-20 Roger Sayle <roger@eyesopen.com>
12207 PR tree-optimization/26361
12208 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12209 of unsigned integer types.
12211 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12213 * tree-chrec.c (eq_evolutions_p): New.
12214 * tree-chrec.h (eq_evolutions_p): Declared.
12215 * tree-data-ref.c: Fix formatting.
12216 (datadep_stats, dependence_stats): New.
12218 (print_direction_vector): New.
12219 (dump_data_dependence_relation): Use print_direction_vector.
12220 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12221 (compute_subscript_distance): Static.
12222 (initialize_data_dependence_relation): Static. Get the number
12223 of loops surrounding the references from the callers, and initialize
12224 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12225 base_object_differ_p analyzers.
12226 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12227 compute_overlap_steps_for_affine_1_2,
12228 analyze_subscript_affine_affine): Count the classified dependences.
12229 Print a message when a test failed.
12230 (can_use_analyze_subscript_affine_affine): New.
12231 (analyze_siv_subscript): Compute the data dependences on symbolic
12232 scevs that verify can_use_analyze_subscript_affine_affine.
12233 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12234 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12235 Handle symbolic scevs.
12236 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12238 (subscript_dependence_tester): Moved...
12239 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12240 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12241 DDR_SIZE_VECT instead of getting it in parameter.
12242 (subscript_dependence_tester): ... here. Take as a parameter
12243 loop_nest_depth. Call build_classic_dist_vector and
12244 build_classic_dir_vector.
12245 (compute_affine_dependence): Update subscript_dependence_tester
12246 parameters. Update datadep_stats counters. Call
12247 compute_subscript_distance.
12248 (compute_self_dependence): Save the dist and dir vectors. Call
12249 compute_subscript_distance.
12250 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12251 (compute_all_dependences): Reorder parameters as they were before
12252 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12253 compute_subscript_distance. Update the use of
12254 compute_affine_dependence and initialize_data_dependence_relation.
12255 (find_data_references_in_loop): Handle COMPONENT_REF.
12256 (compute_data_dependences_for_loop): Initialize dependence_stats.
12257 Don't call build_classic_dist_vector and build_classic_dir_vector.
12258 Update the parameters of initialize_data_dependence_relation and
12259 compute_all_dependences. Print the statistics from datadep_stats.
12260 (analyze_all_data_dependences): Static. Not used until the pass for
12261 checking the data dependences is contributed.
12262 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12263 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12264 (initialize_data_dependence_relation, compute_affine_dependence,
12265 analyze_all_data_dependences, compute_subscript_distance): Removed.
12266 (print_direction_vector): New.
12267 * lambda.h (gcd): ... here.
12268 (lambda_vector_gcd): Moved here from gcd_vector.
12269 * lambda-code.c (gcd, gcd_vector): Removed.
12270 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12271 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12273 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12275 * ipa-type-escape.c: Tidy some comments and white space.
12276 * tree-ssa-operands.c: Likewise.
12278 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12281 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12282 (dump_decl_name): Do not walk the decl tree chains.
12283 * tree-pass.h (TDF_CHAIN): Remove.
12285 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12287 * Makefile.in (C): Remove
12289 (.PHONY): Remove C and PROTO
12291 2006-02-20 Roger Sayle <roger@eyesopen.com>
12293 PR middle-end/26236
12294 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12295 deprecated CHAR_TYPE tree code.
12297 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12299 * configure.ac (target_list): Add install-info, dvi, html.
12300 * configure: Regenerate.
12302 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12303 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12304 treelang/Make-lang.in: Do not use double-colon rules.
12306 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12308 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12309 (TMT_USED_ALONE): New macro.
12310 * tree-pass.h (PROP_tmt_usage): New property.
12311 (TODO_update_tmt_usage): New todo.
12312 * tree-ssa-alias.c (updating_used_alone): New variable.
12313 (recalculate_used_alone): New function.
12314 (compute_may_aliases): Set updating_used_alone, call
12315 recalculate_used_alone.
12316 * tree-sra.c (pass_sra): Note that this pass destroys
12317 PROP_tmt_usage, and add TODO_update_tmt_usage.
12318 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12319 * tree-flow.h (updating_used_alone): Prototype.
12320 (recalculate_used_alone): Ditto.
12321 * passes.c (execute_todo): Add code to set updating_used_alone,
12322 and call recalculate.
12323 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12324 for clobber if used alone, and add assert to verify used_alone
12327 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12329 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12330 for non tls symbols added.
12331 (legitimize_address): Do nothing for PLUS expressions if one of the
12332 addends is a tls symbol reference.
12334 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12338 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12340 * Makefile.in (BOOTSTRAPPING): New.
12341 (quickstrap): New definition if BOOTSTRAPPING=yes.
12343 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12344 * configure.ac: Substitute all_selected_languages with the languages
12345 that were configured. For all the other variables except
12346 lang_specs_files, include all the languages in the tree.
12347 * configure: Regenerate.
12349 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12350 if there is one. Run the commands to run fixincludes in the same
12353 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12354 * doc/install.texi: Document exact conventions for searching target tools.
12355 Document --with-build-time-tools. Document toplevel bootstrap. Document
12356 something more about building an Ada cross-compiler. Don't list GNU Make
12357 requirements which affect all platforms.
12359 2006-02-19 Roger Sayle <roger@eyesopen.com>
12361 PR middle-end/19543
12362 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12363 only equivalent if the have both the same mode and precision.
12365 2006-02-20 Ben Elliston <bje@au.ibm.com>
12367 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12369 2006-02-19 Roger Sayle <roger@eyesopen.com>
12370 Steven Bosscher <stevenb.gcc@gmail.com>
12372 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12373 constant pool references to identify stack mode constants.
12374 * rtlanal.c (constant_pool_constant_p): New predicate to check
12375 whether operand is a floating point constant in the pool.
12376 * rtl.h (constant_pool_constant_p): Prototype here.
12377 * loop.c (scan_loop): Avoid hoisting constants from the constant
12378 pool on STACK_REGS targets.
12379 (load_mems): Likewise.
12380 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12381 loads into x87 registers expensive in terms of register pressure.
12383 2006-02-19 Roger Sayle <roger@eyesopen.com>
12385 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12386 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12388 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12390 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12391 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12393 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12395 * doc/invoke.texi: Document -fipa-pta.
12396 * common.opt: Add ipa-pta option.
12397 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12398 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12399 (do_ds_constraint): Ditto.
12400 (get_constraint_for): Only add to referenced_vars if
12401 referenced_vars exists.
12402 (insert_into_field_list): Rewrite to do this unsorted.
12403 (insert_into_field_list_sorted): Rename old insert_into_field_list
12405 (create_function_info_for): Use insert_into_field_list_sorted.
12406 (create_variable_info_for): Rewrite so it uses unsorted version,
12407 since the field list is sorted.
12408 (intra_create_variable_infos): Only add to referenced_vars if
12409 referenced_vars exists.
12410 (ipa_pta_execute): Init heapvars, and delete when done.
12411 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12413 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12415 * doc/install.texi: Add missing `@samp'.
12417 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12419 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12422 2006-02-18 Mark Wielaard <mark@klomp.org>
12424 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12425 who added new 4.1 features, bug fixes and integration support.
12427 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12430 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12431 MEM for ABI_V4 pic.
12433 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12435 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12436 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12437 (copy_insn_1): Likewise. Don't copy each field individually.
12439 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12441 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12442 * rtl.c (rtx_size): Rename variable to...
12443 (rtx_code_size): ...this.
12444 (rtx_size): New function.
12445 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12446 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12448 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12449 * rtl.h (rtx_code_size): New variable.
12450 (rtx_size): Change from a variable to a function.
12451 (RTX_SIZE): Rename to...
12452 (RTX_CODE_SIZE): ...this.
12455 PR tree-optimization/17106
12456 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12457 (Anchored Addresses): New section.
12458 * doc/invoke.texi (-fsection-anchors): Document.
12459 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12460 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12461 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12462 * hooks.c (hook_bool_mode_rtx_false): New function.
12463 * hooks.h (hook_bool_mode_rtx_false): Declare.
12464 * gengtype.c (create_optional_field): New function.
12465 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12466 SYMBOL_REF_IN_BLOCK_P is true.
12467 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12468 (min_anchor_offset, max_anchor_offset): Likewise.
12469 (use_anchors_for_symbol_p): New hook.
12470 * toplev.c (compile_file): Call output_object_blocks.
12471 (target_supports_section_anchors_p): New function.
12472 (process_options): Check that -fsection-anchors is only used on
12473 targets that support it and when -funit-at-a-time is in effect.
12474 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12475 if the decl doesn't have one.
12476 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12477 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12478 of force_const_mem through use_anchored_address.
12479 (expand_expr_constant): New function.
12480 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12481 calling expand_expr for INDIRECT_REF.
12482 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12483 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12484 * expr.h (use_anchored_address): Declare.
12485 * loop-unroll.c: Don't declare rtx vectors here.
12486 * explow.c: Include output.h.
12487 (validize_mem): Call use_anchored_address.
12488 (use_anchored_address): New function.
12489 * common.opt (-fsection-anchors): New switch.
12490 * varasm.c (object_block_htab, anchor_labelno): New variables.
12491 (hash_section, object_block_entry_eq, object_block_entry_hash)
12492 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12493 (use_blocks_for_decl_p, change_symbol_section): New functions.
12494 (get_variable_section): New function, split out from assemble_variable.
12495 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12496 use_blocks_for_decl_p say so. Use change_symbol_section if the
12497 symbol has already been created.
12498 (assemble_variable_contents): New function, split out from...
12499 (assemble_variable): ...here. Don't output any code for
12500 block symbols; just pass them to place_block_symbol.
12501 Use get_variable_section and assemble_variable_contents.
12502 (get_constant_alignment, get_constant_section, get_constant_size): New
12503 functions, split from output_constant_def_contents.
12504 (build_constant_desc): Create a block symbol if use_object_blocks_p
12505 says so. Or into SYMBOL_REF_FLAGS.
12506 (assemble_constant_contents): New function, split from...
12507 (output_constant_def_contents): ...here. Don't output any code
12508 for block symbols; just pass them to place_section_symbol.
12509 Use get_constant_section and get_constant_alignment.
12510 (force_const_mem): Create a block symbol if use_object_blocks_p and
12511 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12512 (output_constant_pool_1): Add an explicit alignment argument.
12513 Don't switch sections here.
12514 (output_constant_pool): Adjust call to output_constant_pool_1.
12515 Switch sections here instead. Don't output anything for block symbols;
12516 just pass them to place_block_symbol.
12517 (init_varasm_once): Initialize object_block_htab.
12518 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12519 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12520 (place_block_symbol, get_section_anchor, output_object_block)
12521 (output_object_block_htab, output_object_blocks): New functions.
12522 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12523 (TARGET_ASM_OUT): Include it.
12524 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12525 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12526 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12527 (TARGET_INITIALIZER): Include them.
12528 * rtl.c (rtl_check_failed_block_symbol): New function.
12529 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12530 (block_symbol, object_block): New structures.
12531 (rtx_def): Add a block_symbol field to the union.
12532 (BLOCK_SYMBOL_CHECK): New macro.
12533 (rtl_check_failed_block_symbol): Declare.
12534 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12535 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12536 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12537 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12538 * output.h (output_section_symbols): Declare.
12539 (object_block): Name structure.
12540 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12541 (default_use_anchors_for_symbol_p): Declare.
12542 * Makefile.in (RTL_BASE_H): Add vec.h.
12543 (explow.o): Depend on output.h.
12544 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12545 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12546 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12547 (rs6000_use_blocks_for_constant_p): New function.
12549 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12551 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12553 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12556 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12559 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12561 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12565 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12567 PR middle-end/26334
12568 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12569 instead of DECL_REGISTER.
12571 2006-02-18 Olivier Hainque <hainque@adacore.com>
12574 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12576 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12579 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12580 * opth-gen.awk: Handle Var and InverseMask together.
12581 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12582 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12583 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12584 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12586 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12587 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12588 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12589 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12590 LINUX_DYNAMIC_LINKER): Define.
12591 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12592 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12594 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12595 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12596 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12598 (TARGET_C99_FUNCTIONS): Don't define.
12599 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12600 GLIBC_DYNAMIC_LINKER.
12601 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12602 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12603 GLIBC_DYNAMIC_LINKER64): Define.
12604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12605 LINUX_DYNAMIC_LINKER64.
12606 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12608 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12610 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12612 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12613 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12614 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12616 and LINUX_DYNAMIC_LINKER32.
12617 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12619 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12621 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12623 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12624 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12625 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12626 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12627 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12628 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12629 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12630 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12631 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12632 LINUX_DYNAMIC_LINKER): Define.
12633 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12634 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12635 GLIBC_DYNAMIC_LINKER64): Define.
12636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12637 LINUX_DYNAMIC_LINKER64.
12638 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12639 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12640 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12641 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12642 LINUX_DYNAMIC_LINKER): Define.
12643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12644 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12645 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12646 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12647 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12648 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12649 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12650 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12651 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12652 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12654 * doc/invoke.texi (-muclibc): Remove caveat about supported
12657 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12659 * doc/cpp.texi (__TIMESTAMP__): Document.
12661 2006-02-17 Roger Sayle <roger@eyesopen.com>
12663 PR middle-end/25600
12664 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12665 C is one less than the width of X (and related transformations).
12666 * simplify-rtx.c (simplify_unary_operation_1): Transform
12667 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12668 depending on STORE_FLAG_VALUE, were C is one less then the
12671 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12673 Fix PR tree-optimization/26341
12674 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12675 about NAME_MEMORY_TAG's.
12677 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12680 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12681 with hardware float support, and software float support. Add fcpy
12682 alternative to hardware patterns. Add alternatives to copy between
12683 general and floating-point registers to the 32-bit pattern.
12684 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12685 secondary reload to load a QI or HI mode constant into a floating
12687 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12688 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12690 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12693 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12695 (load_macho_picbase_di): Likewise.
12697 2006-02-16 Jeff Law <law@redhat.com>
12699 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12700 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12701 (ssa_name_nonzero_p): Likewise.
12702 (get_value_range): Return NULL if VRP is not running.
12703 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12704 VRP routines do not discover a range.
12705 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12706 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12707 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12708 (tree_expr_nonnegative_p): Similarly.
12709 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12710 (restore_nonzero_vars_to_original_value): Remove.
12711 (unsafe_associative_fp_binop): Remove.
12712 (tree_ssa_dominator_optimize): Remove initialization and
12713 finalization of nonzero_vars and nonzero_vars_stack.
12714 (dom_opt_initialize_block): No longer push marker on
12715 nonzero_vars_stack.
12716 (dom_opt_finalize_block): No longer call
12717 restore_nonzero_vars_to_original_value.
12718 (record_equivalences_from_phis): No longer look for
12719 nonzero PHI arguments.
12720 (cprop_into_successor_phis): No longer propagate nonzero
12721 property into PHI arguments. Lose unused argument. Caller
12723 (record_equivalences_from_stmt): No longer record nonzero
12724 values for SSA_NAMEs.
12725 (lookup_avail_expr): No longer use nonzero_vars.
12727 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12728 for sizetype when sizetype is unsigned.
12730 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12732 PR rtl-optimization/25603
12733 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12734 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12735 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12736 with new meaning of SETS.
12738 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12743 * config/linux.opt: New file.
12744 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12745 LINUX_DYNAMIC_LINKER): Define.
12746 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12747 * config.gcc (*-*-linux*): Define extra_options.
12748 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12749 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12750 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12751 GLIBC_DYNAMIC_LINKER.
12752 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12753 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12754 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12756 * doc/invoke.texi (GNU/Linux Options): New section.
12758 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12760 * config/sparc/sparc.md (setjmp): Rewrite.
12761 (setjmp_32): Delete.
12762 (setjmp_64): Likewise.
12764 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12766 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12769 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12771 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12774 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12776 PR rtl-optimization/26296
12777 * Makefile.in (loop-invariant.c): Add except.h dependency.
12778 * loop-invariant.c: Include except.h.
12779 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12781 2005-02-16 Paul Brook <paul@codesourcery.com>
12783 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12786 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12788 PR rtl-optimization/25636
12789 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12790 when deciding whether an insn is an initializing insn.
12792 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12794 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12795 (tree_code_size): Ditto.
12796 * tree.h (struct tree_memory_tag): Remove parent_var.
12797 (struct tree_struct_field_tag): New.
12800 (union tree_node): Add sft member.
12801 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12803 (create_sft): Add size and offset argument, set SFT_OFFSET and
12805 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12806 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12807 * tree-flow-inline.h (get_subvar_at): Update for
12808 SFT_OFFSET/SFT_SIZE.
12809 (var_can_have_subvars): Ditto.
12810 (overlap_subvar): Ditto.
12811 * print-tree.c (print_node): Print out interesting things for
12813 * tree-flow.h (struct subvar): Remove offset and size members.
12814 * tree-ssa-operands.c (get_expr_operands): Update for
12815 get_indirect_ref_operands changes.
12816 (get_indirect_ref_operands): Call add_virtual_operand instead of
12817 add_stmt_operand. Only recurse on base var if requested.
12818 (access_can_touch_variable): New function.
12819 (add_stmt_operand): Split virtual operand handling into ...
12820 (add_virtual_operand): Here. Add offset, size, and for_clobber
12821 arguments. Prune alias sets.
12822 (add_call_clobber_ops): Call add_virtual_operand.
12824 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12826 PR middle-end/26300
12827 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12829 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12830 than TREE_CODE as index into omp_clause_num_ops array.
12832 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12834 PR rtl-optimization/26184
12835 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12837 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12838 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12839 must_precede, must_follow and tobe_scheduled.
12842 * opts.c (common_handle_option): Free new_option pointer.
12843 * df-core.c (df_analyze): Free postorder pointer.
12845 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12847 * Makefile.in: Fix the examples about the use of stamps
12849 2006-02-15 Michael Matz <matz@suse.de>
12851 PR middle-end/22275
12853 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12854 influenced by maximum_field_alignment or DECL_PACKED.
12855 (update_alignment_for_field): Ditto.
12856 (place_field): Ditto.
12857 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12860 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12862 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12863 (debug_flow_info): Pass it.
12864 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12865 * bb-reorder.c (reorder_basic_blocks): Likewise.
12866 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12867 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12868 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12869 * gcse.c (gcse_main, bypass_jumps): Likewise.
12870 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12871 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12872 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12873 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12874 * rtl.h (dump_flow_info): Adjust prototype.
12875 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12876 * var-tracking.c (variable_tracking_main): Likewise.
12877 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12878 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12881 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12883 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12886 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12888 PR tree-optimization/26209
12889 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12890 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12892 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12894 2006-02-14 Roger Sayle <roger@eyesopen.com>
12896 PR middle-end/23670
12897 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12898 (X,Y) and the corresponding symmetry related transformations.
12899 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12900 (X,Y) and its symmetry related transformations.
12902 2006-02-14 Roger Sayle <roger@eyesopen.com>
12904 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12907 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12909 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12911 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12914 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12915 support COMDAT group.
12916 * configure: Regenerate.
12918 2006-02-14 Roger Sayle <roger@eyesopen.com>
12920 PR middle-end/26279
12921 PR middle-end/26280
12922 PR middle-end/26283
12923 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12925 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12927 Fix PR tree-optimization/26260
12929 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12931 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12932 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12933 * tree-ssa-structalias.c (create_variable_info_for): Use
12934 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12936 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12938 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12940 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12941 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12942 of the ending condition.
12943 * tree-ssa-loop-manip.c: Include params.h.
12944 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12945 tree_unroll_loop): New functions.
12946 * tree-pass.h (pass_loop_prefetch): Declare.
12947 * loop.c (rest_of_handle_loop_optimize): Test for
12948 -fprefetch-loop-arrays-rtl.
12949 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12950 * timevar.def (TV_TREE_PREFETCH): New timevar.
12951 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12952 pass_loop_prefetch): New.
12953 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12954 (cleanup_tree_cfg_loop): Call scev_reset.
12955 * common.opt (fprefetch-loop-arrays-rtl): Add.
12956 * tree-ssa-loop-prefetch.c: New file.
12957 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12958 (new_temp_expr_table): Initialize expr_vars.
12959 (free_temp_expr_table): Cleanup expr_vars.
12960 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12961 expressions from being merged into one.
12962 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12963 (struct tree_niter_desc): Add control, bound and cmp fields.
12964 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12966 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12967 (tree-cfgcleanup.o): Add SCEV_H dependency.
12968 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12969 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12971 2006-02-14 Richard Guenther <rguenther@suse.de>
12973 PR tree-optimization/26258
12974 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12975 in PHI argument processing.
12977 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12979 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12980 new expression in the requested machine mode.
12982 2006-02-13 Roger Sayle <roger@eyesopen.com>
12984 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12985 directly, instead let do_compare_rtx_and_jump handle this for us.
12986 * expr.c (expand_expr_real_1): Likewise.
12987 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12988 before do_jump_by_parts_greater.
12989 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12990 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12992 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12994 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12996 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12998 PR rtl-optimization/26235
12999 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13000 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13003 2006-02-13 Jeff Law <law@redhat.com>
13005 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13008 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13010 PR middle-end/26092
13011 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13012 twice if decl is a builtin. When trying again, call get_callee_fndecl
13013 first to verify it is still a builtin.
13015 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13017 * dwarf2out.c (base_type_die): Don't add AT_name here.
13018 (subrange_type_die): Don't add AT_name here.
13019 (modified_type_die): Rearrange code flow. Do add AT_name here.
13021 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13023 PR rtl-optimization/26247
13024 PR rtl-optimization/26248
13025 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13027 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13029 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13030 * config/fixtfdi.c: Likewise.
13031 * config/fixunstfdi.c: Likewise.
13032 * config/floatditf.c: Likewise.
13034 2006-02-13 Roger Sayle <roger@eyesopen.com>
13036 PR middle-end/24427
13037 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13038 into (X,C2) if C1 is a subset of the bits of C2. Transform
13039 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13041 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13043 2006-02-13 Josh Conner <jconner@apple.com>
13046 * varasm.c (function_section): Check for section name before
13047 calling select_section on targets that define
13048 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13049 unlikely_text_section instead of hot_function_section if
13050 first_function_block_is_cold.
13052 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13054 PR middle-end/25335
13055 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13057 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13059 PR rtl-optimization/26222
13060 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13061 after tree->rtl expansion.
13062 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13063 before passing it to emit_move_insn.
13065 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13067 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13069 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13070 Clarify documentation.
13071 * c-common.h (warn_write_strings): Remove.
13072 * c-common.c (warn_write_strings): Likewise.
13073 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13076 2006-02-12 Roger Sayle <roger@eyesopen.com>
13078 PR middle-end/25724
13079 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13080 (do_jump_parts_zero_rtx): New function renamed from
13081 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13082 (do_jump_parts_equality_rtx): New function split out from
13083 do_jump_parts_equality. Old implementation renamed as above.
13084 Call do_jump_parts_zero_rtx if either operand is zero.
13085 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13086 do all of the heavy lifting.
13087 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13088 calling either do_jump_by_parts_greater_rtx or
13089 do_jump_by_parts_equality_rtx.
13090 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13091 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13092 moved to do_compare_rtx_and_jump, call it directly.
13093 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13094 mode argument. Call do_compare_rtx_and_jump.
13095 (emit_case_nodes): Update calls to do_jump_if_equal.
13097 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13099 PR rtl-optimization/26225
13100 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13102 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13104 PR rtl-optimization/26232
13105 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13107 2006-02-11 Jason Merrill <jason@redhat.com>
13110 * tree-inline.c (declare_return_variable): Just don't use the
13111 modify target if it's a gimple complex reg and the return slot
13114 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13116 * doc/contrib.texi: Update my entry.
13118 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13120 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13122 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13124 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13127 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13129 * doc/invoke.texi (-floop-optimize2): Removed.
13130 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13131 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13132 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13133 * common.opt (floop-optimize2): Removed.
13134 (fmove-loop-invariants): Enabled by default.
13136 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13138 * tree-if-conv.c (combine_blocks): Free the result of
13139 get_loop_exit_edges.
13141 2006-02-10 Jeff Law <law@redhat.com>
13143 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13145 PR tree-optimization/26213
13146 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13147 loop trying to follow SSA_NAME_VALUE chains.
13149 2006-02-10 Richard Guenther <rguenther@suse.de>
13151 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13152 deal with structures that end in implicitly variable sized arrays.
13154 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13156 PR rtl-optimization/24762
13157 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13160 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13162 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13163 (struct ivopts_data): Add regs_used field.
13164 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13165 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13166 instead of loop_data->regs_used;
13167 (free_loop_data): Do not free aux fields for loops.
13168 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13169 and tree_ssa_iv_optimize_finalize.
13171 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13173 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13175 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13178 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13179 computing the effective result type.
13181 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13183 PR inline-asm/16194
13184 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13185 (tree_overlaps_hard_reg_set): Declare.
13186 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13187 type and signature to match function type expected by walk_tree.
13188 (tree_overlaps_hard_reg_set): New function.
13189 (decl_conflicts_with_clobbers_p): Rename to:
13190 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13191 Use tree_overlaps_hard_reg_set. Changed caller.
13192 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13193 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13194 * cris.c (cris_md_asm_clobbers): Likewise.
13196 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13198 * reload1.c (emit_input_reload_insns): Delete code that tries to
13199 inherit using find_equiv_reg.
13201 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13203 * c-common.h (flag_const_strings): Don't declare.
13204 * c-common.c (flag_const_strings): Remove.
13205 * c.opt (fconst_strings): Remove.
13206 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13207 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13208 (c_common_init_options): Don't set flag_const_strings.
13209 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13211 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13213 * arm.md (tlobits_cbranch): New pattern.
13214 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13215 testing a single bit.
13217 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13220 * tree-ssa-pre.c (create_component_ref_by_pieces):
13221 Handle RETURN_DECL like VAR_DECL.
13223 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13225 PR middle-end/26134
13226 * fold-const.c (fold_indirect_ref_1): Fold
13227 "*(foo *)&complexfoo" to "__real__ complexfoo"
13228 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13230 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13232 * tree-flow-inline.h (var_can_have_subvars):
13233 Volatile variables should not have subvariables.
13235 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13238 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13239 multiplying unsigned values.
13242 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13244 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13246 2006-02-08 Jason Merrill <jason@redhat.com>
13249 * tree.def: Elaborate on difference from MODIFY_EXPR.
13250 * doc/c-tree.texi (INIT_EXPR): Likewise.
13251 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13252 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13253 (gimplify_target_expr): Likewise.
13254 (gimplify_cond_expr): Remove target handling.
13255 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13256 (gimplify_expr): Clobber it here.
13257 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13258 Do return slot optimization if we have an INIT_EXPR.
13261 * tree-inline.c (declare_return_variable): Also clear
13262 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13265 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13267 PR middle-end/22439
13268 * gimplify.c (gimplify_one_sizepos): Fix typo.
13270 2006-02-08 Jeff Law <law@redhat.com>
13272 PR tree-optimization/21417
13273 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13274 across a backedge if the control statement at the end of the
13275 block is data dependent on other statements in the same block.
13276 (record_temporary_equivalences_from_stmts): Remove over-conservative
13277 test for threading across backedges.
13279 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13280 control statement, handle all three special cases in the same
13281 manner as they all have the same desired solution. No longer
13282 special case edge flag updating when the post dominator is
13285 2006-02-08 Roger Sayle <roger@eyesopen.com>
13287 * tree.def (CHAR_TYPE): Remove.
13288 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13289 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13290 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13291 (gen_string_type_die): Delete unreachable function.
13293 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13294 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13295 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13296 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13297 * builtins.c (type_to_class): Likewise.
13298 * fold-const.c (fold_convert, build_range_check,
13299 merge_ranges): Likewise.
13300 * expr.c (count_type_elements): Likewise.
13301 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13302 * stor-layout.c (layout_type): Likewise.
13303 * ipa-type-escape.c (type_to_consider): Likewise.
13304 * gimplify.c (omp_firstprivatize_type_sizes,
13305 gimplify_type_sizes): Likewise.
13306 * explow.c (promote_mode): Likewise.
13307 * tree-sra.c (is_sra_scalar_type): Likewise.
13308 * varasm.c (output_constant): Likewise.
13309 * tree-inline.c (remap_type_1): Likewise.
13310 * convert.c (convert_to_pointer, convert_to_real,
13311 convert_to_integer, convert_to_complex): Likewise.
13313 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13315 * df-scan.c (df_def_record_1): A set destination may
13316 be a parallel regardless of mode.
13318 2006-02-08 Roger Sayle <roger@eyesopen.com>
13321 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13322 * config/mips/_tilib.c: Remove.
13323 * config/fixtfdi.c: New libgcc source file.
13324 * config/fixunstfdi.c: New source file.
13325 * config/floatditf.c: New source file.
13326 * config/floatunditf.c: New souce file.
13327 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13328 files above instead of config/mips/_tilib.c.
13329 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13331 2006-02-08 Jeff Law <law@redhat.com>
13333 PR tree-optimization/26169
13334 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13337 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13339 * df.h (DF_REG_SIZE): Return the length of the initialized
13342 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13344 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13345 __muldf3): Return a correctly signed zero.
13347 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13349 * passes.c (register_one_dump_file): Accept the current properties
13350 instead of pass number. Adjust call to dump_register. Remove
13352 (register_dump_files): Now a wrapper around...
13353 (register_dump_files_1): ... this one. Do not modify the pass
13355 (next_pass_1): Cosmetic fix.
13356 (execute_todo): Keep second parameter only. Use curr_properties
13357 instead of fetching it from the pass structure. Check and set
13359 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13360 instead of fetching it from the pass structure. Fix calls to
13361 execute_todo. Update curr_properties and initialize .vcg RTL dump
13362 after running the pass. Reset last_verified.
13363 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13365 (FIRST_AUTO_NUMBERED_DUMP): New.
13366 (dump_register): Remove "num" parameter, assign it within the
13368 (get_dump_file_name): Modify template for dumps.
13369 * tree-dump.h (dump_register): Adjust prototype.
13370 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13371 (PROP_trees): Add PROP_gimple_lomp.
13372 (TODO_set_props): New.
13373 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13374 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13375 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13377 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13379 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13380 (sparc64-*-linux*): Likewise.
13381 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13382 * config/sparc/t-linux: New file.
13383 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13384 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13385 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13386 -m32 -mlong-double-128.
13388 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13389 * config/alpha/t-linux: New file.
13390 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13392 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13393 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13394 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13395 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13396 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13397 (CPP_ARCH32_SPEC): Remove.
13399 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13401 PR tree-optimization/26145
13402 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13405 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13408 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13409 >= 240000 when generating code for SOM runtime.
13410 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13411 to $$dyncall when generating code for SOM runtime..
13413 2006-02-07 Dirk Mueller <dmueller@suse.com>
13416 * doc/invoke.texi (-Wsequence-point): Update documentation
13417 that -Wsequence-point is implemented for C++ as well.
13419 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13421 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13422 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13423 (LIB_SPEC): Likewise.
13424 * doc/invoke.texi (SPARC options): Document -pthread.
13426 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13428 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13431 2006-02-07 Roger Sayle <roger@eyesopen.com>
13433 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13434 Correct comment describing BOOLEAN_TYPE.
13436 2006-02-07 Dirk Mueller <dmueller@suse.com>
13438 * c.opt: C++ frontend supports -Wdiv-by-zero.
13439 * c-opts.c (c_common_handle_option): Remove dead case.
13441 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13443 * configure.ac (TLS assembler check): Do not enable TLS by
13444 default on SPARC/Solaris before version 10.
13445 * configure: Regenerate.
13447 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13449 * doc/invoke.texi (xl-compat): Document conversion and support
13452 2006-02-07 Jeff Law <law@redhat.com>
13454 * tree-vrp.c (find_conditional_asserts): Update comments.
13455 (simplify_stmt_for_jump_threading): New.
13456 (identify_jump_threads, finalize_jump_threads): New.
13457 (vrp_finalize): Call identify_jump_threads.
13458 (execute_vrp): Call finalize_jump_threads.
13459 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13460 (vrp_element, vrp_data, vrp_element_p): Remove.
13461 (vrp_hash_elt, vrp_variables_stack): Remove.
13462 (vrp_hash, vrp_eq, record_range): Remove.
13463 (simplify_cond_and_lookup_avail_expr): Remove.
13464 (extract_range_from_cond): Remove.
13465 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13466 (simplify_stmt_for_jump_threading): New.
13467 (dom_thread_across_edge): New wrapper.
13468 (tree_ssa_dominator_optimize): No longer initialize or
13469 finalize any of the VRP datastructures. Remove iteration
13470 step and simplify as a result of removal of iteration step.
13471 (pass_dominator): Perform a cfg cleanup after DOM.
13472 (dom_opt_finalize_block): Use the new common routines
13473 for threading jumps. Simplify stack management slightly.
13474 No longer need to unwind VRP state.
13475 (record_equivalences_from_incoming_edge): No longer record
13477 (eliminate_redundant_computations): No longer call
13478 simplify_cond_and_lookup_avail_expr.
13479 * tree-flow.h (potentially_threadable_block): Prototype.
13480 (thread_across_edge): Likewise.
13481 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13482 (tree-ssa-threadedge.o): Add dependencies.
13483 * tree-ssa-threadedge.c: New file.
13484 * passes.c (init_optimization_passes): Merge PHIs before
13485 calling VRP. Run VRP again late in the SSA optimization pipeline.
13487 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13489 * df-core.c (df_set_blocks): Do not dereference function pointers.
13490 (df_finish1): Likewise.
13491 (df_hybrid_search_forward): Likewise.
13492 (df_hybrid_search_backward): Likewise.
13493 (df_iterative_dataflow): Likewise.
13494 (df_analyze_problem): Likewise.
13495 (df_compact_blocks): Likewise.
13496 (df_dump): Likewise.
13497 * df-scan.c (df_rescan_blocks): Likewise.
13498 (df_record_entry_block_defs): Likewise.
13500 * genconditions.c (write_conditions): Guard the definition of
13501 'insn_conditions' with the check on GCC version.
13502 (write_writer): Guard the traversal 'insn_conditions' with
13503 the check on GCC version.
13505 2006-02-07 Richard Guenther <rguenther@suse.de>
13509 2006-01-30 Richard Guenther <rguenther@suse.de>
13511 * gimplify.c (gimplify_target_expr): Handle easy cases
13512 without creating a temporary.
13514 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13516 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13517 use of float in probability computations. Use edge probabilities
13518 in place of statically computed probabilities.
13519 (min_spec_prob): New static variable.
13520 (schedule_insns): Initialize it.
13521 (GET_SRC_PROB): Removed.
13522 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13524 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13527 * config/ia64/unwind-ia64.c: Revert last change.
13528 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13529 (INCOMING_FRAME_SP_OFFSET): Define.
13531 2006-02-06 Roger Sayle <roger@eyesopen.com>
13533 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13535 2006-02-07 Ben Elliston <bje@au.ibm.com>
13537 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13538 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13539 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13540 (ix86_return_in_memory): Handle TDmode.
13541 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13542 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13544 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13546 * reorg.c (dbr_schedule): Use dump_file instead of file.
13548 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13551 * config/ia64/predicates.md (extr_len_operand): New predicate.
13552 * config/ia64/ia64.md (extv): Tighten constraints.
13554 (*tbit_and_2): Ditto.
13555 (*tbit_and_3): Ditto.
13556 (*tbit_or_2): Ditto.
13557 (*tbit_or_3): Ditto.
13558 (*bit_zero): Ditto.
13561 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13564 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13566 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13568 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13569 loop_optimizer_init and loop_optimizer_finalize
13570 * tree-ssa-sink.c (execute_sink_code): Ditto.
13571 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13572 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13573 tree_ssa_loop_done): Ditto.
13574 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13575 * sched-ebb.c: Include output.h.
13576 (schedule_ebbs): Do not use dump argument.
13577 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13578 * loop.c (loop_dump_stream): Removed.
13579 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13581 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13582 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13583 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13584 loop_iterations, strength_reduce, record_biv, record_giv,
13585 final_giv_value, check_final_value, check_ext_dependent_givs,
13586 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13587 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13588 dump_file instead of loop_dump_stream.
13589 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13590 argument dump_file.
13591 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13593 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13594 * haifa-sched.c: Include output.h
13595 (schedule_insns, sched_init): Do not use dump argument.
13596 * mode-switching.c (optimize_mode_switching): Ditto.
13597 * modulo-sched.c (stats_file): Removed.
13598 (print_node_sched_params): Do not call argument dump_file.
13599 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13600 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13602 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13604 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13605 rtl_loop_init, rtl_loop_done): Ditto.
13606 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13607 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13609 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13610 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13611 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13612 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13613 * emit-rtl.c (renumber_insns): Ditto.
13614 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13615 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13616 * regclass.c (regclass): Ditto.
13617 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13618 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13619 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13620 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13622 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13623 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13625 * gcse.c (gcse_file, debug_stderr): Removed.
13626 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13627 rest_of_handle_gcse): Do not use dump argument.
13628 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13629 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13630 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13631 compute_code_hoist_vbeinout, compute_code_hoist_data,
13632 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13633 compute_store_table, build_store_vectors, insert_insn_start_bb,
13634 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13635 store_motion): Use dump_file instead of gcse_file.
13636 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13637 * profile.c (profile_dump_file): Removed.
13638 (branch_prob): Use dump_file instead of profile_dump_file.
13639 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13641 * tree-ssa-copy.c (dump_copy_of): Ditto.
13642 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13643 dump file to life_analysis.
13644 * bt-load.c (branch_target_load_optimize): Ditto.
13645 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13647 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13648 regclass, dbr_schedule): Declaration changed.
13649 * sched-int.h (sched_init): Declaration changed.
13650 * tree-profile.c (tree_profile_dump_file): Removed.
13651 (tree_profile_hooks): Removed profile_dump_file hook.
13652 * rtl-profile (rtl_profile_dump_file): Removed.
13653 (rtl_profile_hooks): emoved profile_dump_file hook.
13654 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13656 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13657 * tree-cfg.c (build_tree_cfg): Ditto.
13658 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13659 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13660 Declaration changed.
13661 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13662 life_analysis and schedule_insns.
13663 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13665 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13667 * config/mips/mips.c (mips_reorg): Ditto.
13668 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13671 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13673 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13674 (s390_mangle_fundamental_type): New.
13675 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13678 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13679 (alpha_mangle_fundamental_type): New.
13680 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13683 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13685 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13687 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13688 (sparc_mangle_fundamental_type): New.
13690 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13692 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13693 (s390x-*-linux*): Likewise.
13694 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13695 * config/s390/t-linux: New file.
13697 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13699 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13700 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13702 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13704 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13705 (ANTIC_SAFE_LOADS): New macro.
13706 (find_or_generate_expression): Add prototype.
13707 (set_contains_value): Allow null set for sake of not always having
13708 to allocate ANTIC_SAFE_LOADS.
13709 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13710 Allow COMPONENT_REF too.
13711 (valid_in_set): Allow COMPONENT_REF.
13712 Check ANTIC_SAFE_LOADS too.
13713 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13714 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13716 (can_PRE_operation): Add COMPONENT_REF.
13717 (create_component_ref_by_pieces): New function.
13718 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13719 (insert_aux): Move AGGREGATE_TYPE_P check here.
13720 (compute_avail): Set bb local stmt uids.
13721 (pass_pre): Use TODO_update_ssa_only_virtuals.
13723 2006-02-06 Ben Elliston <bje@au.ibm.com>
13725 * configure.ac: Unconditionally disable decimal float by default.
13726 * configure: Regenerate.
13728 2006-02-06 Ben Elliston <bje@au.ibm.com>
13730 * read-rtl.c (read_name): Terminate reading on EOF.
13732 2006-02-06 Ben Elliston <bje@au.ibm.com>
13734 * dfp.c (decimal_real_arithmetic): Change second argument type
13735 from int to enum tree_code. Do not always return true, but now
13736 return result of any call to decimal_do helper functions.
13737 * dfp.h (decimal_real_arithmetic): Update prototype.
13739 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13741 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13743 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13746 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13749 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13751 * tree-vrp.c (cfg_loops): Removed.
13752 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13753 Use current_loops instead of cfg_loops. Pass flags to
13754 loop_optimizer_init.
13755 * cfgloopmanip.c (fix_loop_structure): Update only available
13757 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13758 loop_optimizer_init.
13759 * modulo-sched.c (build_loops_structure): Removed.
13760 (sms_schedule): Use loop_optimizer_init.
13761 * loop-init.c (loop_optimizer_init): Use flags to determine
13762 which properties of loops to prepare.
13763 (rtl_loop_init): Pass flags to loop_optimizer_init.
13764 * tree-ssa-sink.c (execute_sink_code): Ditto.
13765 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13766 * tree-ssa-pre.c (init_pre): Ditto.
13767 * cfgloop.h (LOOPS_NORMAL): New.
13768 (loop_optimizer_init): Declaration changed.
13770 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13772 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13773 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13775 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13777 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13779 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13780 * pa/t-pa64: Delete quadlib.c rule.
13781 * pa/x-ada: Revert last change.
13782 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13784 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13786 PR rtl-optimization/26087
13787 * rtlanal.c (canonicalize_condition): Do not cross basic block
13790 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13793 * config/ia64/ia64.c: Include debug.h.
13794 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13795 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13796 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13797 (process_epilogue, process_set, process_for_unwind_directive):
13798 Output unwind info only if requested. Add CFA info if requested.
13799 Add new arguments as needed. Adjust callers.
13800 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13802 (DWARF2_FRAME_INFO): Define to zero.
13803 * config/ia64/unwind-ia64.c: Remove code that compensated for
13804 the CFA offset error fixed above.
13805 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13806 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13807 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13808 -funwind-tables and -fexceptions to enable frame info.
13809 (dwarf2out_frame_init): Define initial CFA even if
13810 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13811 DWARF2_UNWIND_INFO is nonzero, not just defined.
13812 (dwarf2out_frame_finish): Output non-EH call frame info only
13813 if DWARF2_FRAME_INFO is nonzero.
13814 (convert_cfa_to_loc_list,
13815 compute_frame_pointer_to_cfa_displacement): Define even if
13816 unwind info is not supported.
13817 (gen_subprogram_die): Use the above unconditionally. Remove
13818 legacy alternate code.
13819 * toplev.c (compile_file): Compile in call to
13820 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13821 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13823 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13824 Jakub Jelinek <jakub@redhat.com>
13826 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13827 IBM extended float format long double as "g" on powerpc*-linux.
13829 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13832 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13833 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13835 2006-02-03 Jason Merrill <jason@redhat.com>
13838 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13840 PR middle-end/25977
13841 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13842 on the return slot if it's an NRV.
13844 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13846 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13847 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13848 rewrite_use): Do not handle USE_OUTER.
13849 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13850 add_iv_outer_candidates, may_replace_final_value,
13851 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13852 (find_interesting_uses_op): Functionality of
13853 find_interesting_uses_outer_or_nonlin moved here.
13854 (find_interesting_uses_outside): Use find_interesting_uses_op.
13856 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13859 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13861 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13862 Ulrich Weigand <uweigand@de.ibm.com>
13865 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13866 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13867 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13868 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13870 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13871 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13872 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13873 Define secondary reloads for TFmode moves.
13874 (constant_modes): Add TFmode.
13875 (NR_C_MODES): Set to 8.
13876 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13878 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13879 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13880 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13881 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13882 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13883 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13884 (FPR mode macro): Add TFmode.
13885 (DSF mode macro): New.
13886 (<de>, <dee> mode attributes): Removed.
13887 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13888 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13889 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13890 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13891 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13892 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13893 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13894 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13895 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13896 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13897 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13898 "*negabs<mode>2", "sqrt<mode>2"):
13899 Changed <de> to <xde>. R constraint replaced by <Rf>.
13900 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13902 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13903 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13904 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13906 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13907 "extenddftf2", "extendsftf2"): New expanders.
13908 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13909 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13910 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13911 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13913 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13914 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13915 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13916 __floatditf): Add a GCC_4.1.0 symbol version tag.
13917 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13920 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13923 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13924 Use targetm.binds_local_p instead of TREE_PUBLIC.
13926 2006-02-02 Roger Sayle <roger@eyesopen.com>
13928 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13929 on INTEGER_TYPEs to indicate that it denotes a character type.
13930 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13931 signed_char_type_node, unsigned_char_type_node and char_type_node.
13932 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13933 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13934 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13936 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13937 Daniel Berlin <dberlin@dberlin.org>
13939 * tree-tailcall.c (arg_needs_copy_p): New function.
13940 (eliminate_tail_call): Use arg_needs_copy_p.
13941 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13942 (add_virtual_phis): New function.
13944 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13946 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13947 #ignore instead of #scratch for %g7 .register directive.
13949 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13951 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13954 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13956 * flow.c (calculate_global_regs_live): Assert that there aren't any
13959 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13961 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13962 what its name says.
13963 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13964 bsi_after_labels iterator.
13965 * tree-if-conv.c (find_phi_replacement_condition,
13966 replace_phi_with_cond_modify_expr): Likewise.
13967 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13968 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13970 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13972 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13974 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13977 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13978 array after growing it.
13980 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13982 PR middle-end/24901
13983 * fold-const.c (fold_checksum_tree): Change type of buf.
13985 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13987 * reload.c (push_secondary_reload): Initialize t_icode.
13989 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13991 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13992 -msoft-float -mlong-double-128 only issue a warning, but don't
13993 swich to DFmode long double.
13995 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13997 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13998 has a constant equivalent, iterate over equivalents for arg0,
13999 calling simplify_relational_operation and if there's a result
14000 cheaper than X, apply fold_rtx and return the result.
14002 2006-02-01 Jan Hubicka <jh@suse.cz>
14004 * opts.c (no_unit_at_a_time_default): New global variable.
14005 (decode_options): Use it.
14006 * opts.h (no_unit_at_a_time_default): Declare.
14008 2006-02-01 Paul Brook <paul@codesourcery.com>
14010 * function.c (assign_parm_setup_reg): Use function argument promotion
14012 * expr.c (expand_expr_real_1): Use function argument promotion rules
14015 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14017 * gcc.c (process_command): Change j to 'unsigned int'.
14019 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14021 PR middle-end/26001
14022 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14023 Use the corrected index for the character
14024 out of the string constant.
14026 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14028 * mode-switching.c (optimize_mode_switching): Fix size
14029 allocated for bb_info[n_entities].
14031 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14033 * gcc.c (main): Correct type that is allocated for
14034 explicit_link_files.
14036 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14038 * config/s390/s390.c (init_alignment_context): Set
14039 ALIAS_SET_MEMORY_BARRIER on the MEM.
14040 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14042 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14044 PR middle-end/25933
14045 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14047 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14050 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14052 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14053 * regrename.c: Ditto.
14054 * tree-ssa-loop-im.c: Ditto.
14055 * tree-dump.c: Ditto.
14056 * tree-complex.c: Ditto.
14057 * genrecog.c: Ditto.
14058 * tree-ssa-threadupdate.c: Ditto.
14060 * java/class.c: Ditto.
14061 * java/jcf-parse.c: Ditto.
14062 * java/resource.c: Ditto.
14063 * java/except.c: Ditto.
14064 * java/jvspec.c: Ditto.
14065 * java/jcf-write.c: Ditto.
14066 * java/jcf-path.c: Ditto.
14067 * java/gjavah.c: Ditto.
14068 * java/zextract.c: Ditto.
14069 * java/jcf-io.c: Ditto.
14070 * java/jcf.h: Ditto.
14071 * java/buffer.c: Ditto.
14072 * java/lang.c: Ditto.
14073 * java/parse-scan.y: Ditto.
14074 * java/lex.c: Ditto.
14075 * java/lex.h: Ditto.
14076 * cfgloopmanip.c: Ditto.
14077 * postreload-gcse.c: Ditto.
14078 * tree-ssa-loop-manip.c: Ditto.
14079 * postreload.c: Ditto.
14080 * tree-ssa-loop-ch.c: Ditto.
14083 * cppspec.c: Ditto.
14084 * diagnostic.c: Ditto.
14086 * genoutput.c: Ditto.
14088 * cfghooks.c: Ditto.
14089 * cfgloopanal.c: Ditto.
14090 * objc/objc-act.c: Ditto.
14092 * genextract.c: Ditto.
14093 * genautomata.c: Ditto.
14094 * pretty-print.c: Ditto.
14095 * genemit.c: Ditto.
14096 * cgraphunit.c: Ditto.
14098 * df-scan.c: Ditto.
14099 * haifa-sched.c: Ditto.
14100 * dominance.c: Ditto.
14102 * tree-ssa-loop-ivopts.c: Ditto.
14103 * df-core.c: Ditto.
14104 * mode-switching.c: Ditto.
14105 * modulo-sched.c: Ditto.
14107 * ipa-pure-const.c: Ditto.
14109 * fix-header.c: Ditto.
14111 * tree-stdarg.c: Ditto.
14112 * ipa-utils.c: Ditto.
14113 * loop-init.c: Ditto.
14114 * ipa-inline.c: Ditto.
14115 * cfganal.c: Ditto.
14117 * alloc-pool.c: Ditto.
14118 * dwarf2out.c: Ditto.
14120 * genattrtab.c: Ditto.
14121 * tree-ssa-loop-ivcanon.c: Ditto.
14122 * predict.c: Ditto.
14123 * timevar.c: Ditto.
14125 * fortran/gfortranspec.c: Ditto.
14126 * regmove.c: Ditto.
14127 * local-alloc.c: Ditto.
14128 * langhooks.c: Ditto.
14129 * function.c: Ditto.
14130 * tree-vectorizer.c: Ditto.
14132 * ipa-type-escape.c: Ditto.
14134 * tree-if-conv.c: Ditto.
14135 * profile.c: Ditto.
14137 * tree-data-ref.c: Ditto.
14138 * loop-unroll.c: Ditto.
14139 * treelang/treetree.c: Ditto.
14141 * bt-load.c: Ditto.
14142 * ggc-common.c: Ditto.
14144 * coverage.c: Ditto.
14146 * tree-cfgcleanup.c: Ditto.
14147 * tree-ssa-pre.c: Ditto.
14148 * cfgcleanup.c: Ditto.
14149 * loop-invariant.c: Ditto.
14150 * loop-iv.c: Ditto.
14151 * ipa-prop.c: Ditto.
14152 * print-tree.c: Ditto.
14153 * conflict.c: Ditto.
14154 * ggc-page.c: Ditto.
14155 * sched-deps.c: Ditto.
14156 * regclass.c: Ditto.
14157 * tree-object-size.c: Ditto.
14158 * combine.c: Ditto.
14159 * bb-reorder.c: Ditto.
14160 * resource.c: Ditto.
14161 * var-tracking.c: Ditto.
14162 * cfgloop.c: Ditto.
14163 * df-problems.c: Ditto.
14164 * reg-stack.c: Ditto.
14166 * gccspec.c: Ditto.
14167 * sched-rgn.c: Ditto.
14168 * tree-ssa-structalias.c: Ditto.
14169 * tree-ssa-reassoc.c: Ditto.
14170 * config/darwin-c.c: Ditto.
14171 * config/darwin.c: Ditto.
14172 * config/arm/arm.c: Ditto.
14174 * collect2.c: Ditto.
14175 * reload1.c: Ditto.
14177 2006-01-31 Nicolas Pitre <nico@cam.org>
14179 * arm.md (smaxsi3): Make aware of smax_m1.
14182 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14184 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14186 2006-01-31 Richard Guenther <rguenther@suse.de>
14188 * doc/invoke.texi (-msselibm): Document.
14189 * target.h (expand_library_builtin): New target hook.
14190 * builtins.c (expand_builtin): Use expand_library_builtin.
14191 (default_expand_library_builtin): New function.
14192 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14193 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14194 (link_gcc_math_spec): Declare.
14195 (static_specs): Add link_gcc_math_spec.
14196 * expr.h (default_expand_library_builtin): Declare.
14197 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14198 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14199 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14200 * config/i386/i386.opt (msselibm): New target option.
14201 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14202 (ix86_init_sse_abi_builtins): New function.
14203 (ix86_expand_library_builtin): Likewise.
14204 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14205 (override_options): Handle error conditions wrt -msselibm.
14206 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14207 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14208 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14211 2006-01-31 Richard Guenther <rguenther@suse.de>
14212 Paolo Bonzini <bonzini@gnu.org>
14214 * doc/install.texi (--disable-libgcc-math): Document.
14216 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14218 * expr.h (expand_normal): new inline function.
14219 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14220 * dojump.c: use it.
14221 * dwarf2out.c: use it.
14224 * expmed.c: use it.
14225 * except.c: use it.
14226 * config/sparc/sparc.c: use it.
14227 * config/i386/i386.c: use it.
14228 * config/rs6000/rs6000.c: use it.
14229 * config/arm/arm.c: use it.
14230 * config/mips/mips.c: use it.
14231 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14233 2006-01-30 Roger Sayle <roger@eyesopen.com>
14235 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14236 argv to the appropriate type.
14238 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14240 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14243 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14246 * config/s390/s390.c (struct machine_function): New flag
14247 decomposed_literal_pool_addresses_ok_p.
14248 (s390_reorg): Set it before final stage of literal pool transforms.
14249 (s390_decompose_address): Only accept displacements of the form
14250 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14252 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14254 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14255 the comparison routine return.
14257 2006-01-30 Michael Matz <matz@suse.de>
14259 * global.c (find_reg): Only evict for global regs.
14260 Take n_refs into account and dump more info.
14262 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14265 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14266 (pragma_trap, pragma_nosave_low_regs): Likewise.
14267 (current_function_anonymous_args): Likewise.
14268 (sh_deferred_function_attributes): New variable.
14269 (sh_deferred_function_attributes_tail): Likewise.
14270 (print_operand): For '@', look up trap_exit attribute.
14271 (calc_live_regs): Look up trapa_handler attribute. For trapa
14272 handlers, save/restore fpscr, but don't do any other
14273 interrupt-specific saves.
14274 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14275 Fix check for partially saved registers to check for SHmedia.
14276 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14277 (sh_output_function_epilogue): Don't clear any of the removed
14279 (sh_insert_attributes): Don't check pragma_interrupt.
14280 Insert deferred attributes. Check that interrupt attribute is
14281 present for other attributes that require its presence.
14282 (sh_attribute_table): Add new attributes trapa_handler and
14284 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14285 Don't check for pragma_interrupt. Don't store argument.
14286 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14287 (sh_deferred_function_attributes): Declare.
14288 (sh_deferred_function_attributes_tail): Likewise.
14289 * sh.md (sp_switch_1): Add operand. Change generator caller.
14290 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14291 (*return_i): Don't use when trap_exit attribute is in effect.
14292 (*return_trapa): New insn pattern.
14293 * sh-c.c: New file.
14294 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14295 setting c_target_objs and cxx_target_objs.
14296 * t-sh: Add rule for sh-c.o.
14298 2006-01-30 Richard Guenther <rguenther@suse.de>
14301 * gimplify.c (gimplify_target_expr): Handle easy cases
14302 without creating a temporary.
14304 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14306 * vec.h (safe_grow): Remove duplicated line.
14308 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14311 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14312 (expand_omp): ... here.
14313 (expand_omp_parallel): Only remove barriers for combined
14314 parallel+workshare constructs.
14316 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14320 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14321 * tree.c (build_qualified_type): Chain the new type to the original
14322 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14323 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14324 (build_pointer_type_for_mode): Only return unqualified types.
14325 (build_reference_type_for_mode): Likewise.
14327 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14329 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14330 * Makefile.in (CXX_COMPAT_WARN): Define.
14331 * configure: Regenerate.
14333 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14336 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14339 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14341 * toplev.c: Fix thinko.
14343 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14344 Marcin Dalecki <martin@dalecki.de>
14346 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14347 (push_srcloc): Use XNEW.
14348 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14350 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14352 * df-core.c (df_set_blocks): Deleted all variable.
14354 2006-01-28 Ian Lance Taylor <ian@airs.com>
14356 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14357 cgraph_output_pending_asms.
14359 2006-01-28 Zack Weinberg <zackw@panix.com>
14361 * c.opt: Add -W(no-)overlength-strings.
14362 * doc/invoke.texi: Document it.
14363 * c-opts.c (c_common_handle_option): -pedantic implies
14364 -Woverlength-strings, if not explicitly disabled already.
14365 (c_common_post_options): -Woverlength-strings defaults to off, and
14366 is always off for C++.
14367 * c-common.c (fix_string_type): Issue warning about strings longer
14368 than is portable only if warn_overlength_strings. Rearrange code
14369 a little for clarity.
14370 * configure.in: Check for -Wno-overlength-strings as well before
14371 enabling -pedantic in stage 1.
14372 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14373 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14375 * genconditions.c (write_header, write_one_condition)
14376 (write_conditions, write_writer): Consolidate very long strings
14377 that were broken up to fit in C89 portable limit. Don't use
14378 printf when fputs will do.
14380 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14382 * combine.c (simplify_comparison <AND>): Check
14383 TRULY_NOOP_TRUNCATION before start using a subreg.
14385 * config/mips/mips.md (*branch_zero<mode>,
14386 *branch_zero<mode>_inverted, *branch_equality<mode>,
14387 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14388 Remove mode check from comparisons.
14390 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14392 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14394 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14396 * expmed.c (const_mult_add_overflow_p): Remove.
14397 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14399 * recog.c (validate_replace_rtx_subexp): Remove.
14400 * recog.h: Remove the prototype for
14401 validate_replace_rtx_subexp.
14403 * integrate.h: Remove the prototype for
14404 copy_decl_for_inlining.
14405 * rtl.h: Remove the prototype for mark_constant_function.
14406 * tree-vectorizer.h: Remove the prototype for
14407 vect_strip_conversion.
14409 * modulo-sched.c (create_partial_schedule,
14410 free_partial_schedule, reset_partial_schedule): Make them
14413 * hooks.c (hook_bool_rtx_int_false): Remove.
14414 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14416 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14418 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14419 and -mlong-double-128 are incompatible.
14420 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14421 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14422 (TARGET_LIBGCC2_CFLAGS): Define.
14423 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14424 (TARGET_LIBGCC2_CFLAGS): Same.
14425 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14427 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14430 * c-typeck.c (build_binary_op): Perform implicit casts of
14431 operands before shortening them.
14433 * cfgloopmanip.c (split_loop_bb): Remove.
14434 * cfgloop.h: Remove the prototype for split_loop_bb.
14436 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14437 * cfgloop.h: Remove the prototype for
14438 flow_loop_outside_edge_p.
14440 * emit-rtl.c (init_virtual_regs): Make it static.
14441 * function.h: Remove the prototype for init_virtual_regs.
14443 * recog.c (peephole2_optimize): Make it static.
14444 * recog.h: Remove the prototype for peephole2_optimize.
14446 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14448 * df-scan.c (df_record_entry_block_defs): Check if
14449 INCOMING_RETURN_ADDR_RTX is defined.
14451 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14452 Kenneth Zadeck <zadeck@naturalbridge.com>
14454 PR rtl-optimization/24762
14455 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14456 * targhooks.c (hook_void_bitmap): New hook prototype.
14457 * targhoohs.h (hook_void_bitmap): Ditto.
14458 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14459 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14460 * target.h (live_on_entry): New function pointer.
14461 * df-scan.c (df_all_hard_regs): Removed.
14462 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14463 (df_scan_free_internal): Added df->entry_block_defs.
14464 (df_scan_alloc): Ditto.
14465 (df_scan_dump): Ditto.
14466 (df_uses_record): Plumbed flag field properly thru calls.
14467 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14468 This part fixes PR24762.
14469 (df_bb_refs_record): Added code to make the frame and arg
14470 pointers live in EH blocks.
14471 (df_refs_record): Added call to df_record_entry_block_defs.
14472 (df_record_entry_block_defs): New function.
14473 * df-core.c: Added comments to describe new artifical defs.
14474 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14475 (entry_block_defs): New field in struct df.
14476 (df_all_hard_regs): Deleted.
14477 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14478 * df-problems.c (df_ru_bb_local_compute_process_def):
14479 Added code to handle artifical defs in the entry to a function.
14480 (df_ru_bb_local_compute): Ditto.
14481 (df_rd_bb_local_compute_process_def): Ditto.
14482 (df_rd_bb_local_compute): Ditto.
14483 (df_lr_bb_local_compute): Ditto.
14484 (df_ur_bb_local_compute): Ditto.
14485 (df_urec_bb_local_compute): Ditto.
14486 (df_chain_create_bb): Ditto.
14487 (df_ur_local_finalize): Removed entry.
14488 (df_urec_init): Ditto.
14489 (df_urec_local_finalize): Ditto.
14490 (df_ri_bb_compute): Added detection of last use of pseudos.
14491 * Makefile.in (df-scan.o): Updated dependencies.
14492 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14493 * config/mips/mips.c (mips_set_live_on_entry): Added.
14494 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14496 * dce.c (marked_insn_p): Added code to handle artifical defs.
14498 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14500 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14502 (_mm_cvtsi128_si64): Likewise.
14503 (_mm_cvtsd_si64): Likewise.
14504 (_mm_cvttsd_si64): Likewise.
14505 (_mm_cvtsi64_sd): Likewise.
14506 (_mm_cvtsi64_si128): Likewise.
14507 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14508 (_mm_cvtsi64_m64): Likewise.
14509 (_m_to_int64): Likewise.
14510 (_mm_cvtm64_si64): Likewise.
14511 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14512 (_mm_cvttss_si64): Likewise.
14513 (_mm_cvtsi64_ss): Likewise.
14514 (_mm_cvtss_f32): Likewise.
14516 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14518 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14519 for pragma redefine_extname.
14521 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14524 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14525 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14526 -mno-minimal-toc to previous content.
14527 (bispecs): Remove goal.
14528 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14529 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14530 compatibility aliases on powerpc-*-*gnu*.
14531 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14532 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14533 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14534 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14535 (ldblspecs): New goal.
14536 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14537 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14539 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14540 L_sf_to_tf or L_df_to_tf is defined.
14542 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14543 Alan Modra <amodra@bigpond.net.au>
14546 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14547 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14548 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14549 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14550 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14551 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14552 (rs6000_override_options): Initialize rs6000_ieeequad.
14553 Initialize TFmode format to ibm_extended_format if not
14555 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14557 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14558 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14559 (function_arg_advance): IBM long double passed in two FPRs, not
14561 (function_arg): IBM long double passed in FPRs.
14562 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14563 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14564 Only multireg GPR aligned.
14565 (rs6000_init_libfuncs): Enable IBM long double functions if not
14567 (rs6000_generate_compare): Use IBM long double compare if not
14569 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14570 (TARGET_IEEEQUAD): Define.
14571 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14572 not TARGET_IEEEQUAD.
14573 * config/rs6000/rs6000.md: Enable TFmode patterns if
14575 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14576 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14577 and -mlong-double-128 are incompatible.
14578 * doc/invoke.texi (-mabi): Collect options together. Add
14579 ibmlongdouble and ieeelongdouble.
14581 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14583 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14585 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14586 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14587 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14588 * rtl.h (rtunion_def): Remove rt_ptr.
14590 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14591 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14592 * config/i386/winnt.c (i386_pe_mark_dllexport)
14593 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14595 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14597 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14599 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14603 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14604 pthread_key_delete. From John David Anglin. gthrw-ify
14605 pthread_getunique_np only if it it's not a macro. Delete
14607 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14608 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14609 __gthread_objc_condition_signal, __gthread_key_delete): Add
14610 "__attribute__ ((__unused__))" to unused arguments.
14611 (__gthread_recursive_mutex_init_function): Add missing return.
14612 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14613 gthr-posix95.h: Use macro-based approach for name redirection
14614 on targets missing weakref.
14616 2006-01-26 Zack Weinberg <zackw@panix.com>
14618 * genconditions.c (write_header): In generated code, #ifdef out
14619 all includes and fake declarations, except includes of bconfig.h
14620 and system.h, unless GCC_VERSION >= 3001. Do not include
14621 gensupport.h in any case.
14622 (write_conditions): Generate a definition of struct c_test. Add
14623 a comment to the generated #endif.
14624 (write_one_condition): Escape backslashes in string too.
14625 (write_writer): Generated code must escape backslashes and quote
14626 marks (but not newlines) in the strings it writes.
14627 * Makefile.in (build/gencondmd.o): Update dependencies.
14629 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14632 * Makefile.in (insn-automata.o): Add header file dependencies.
14633 * genautomata.c: Add includes.
14635 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14638 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14640 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14642 * configure.ac: Expect target tools paths to be passed from the toplevel
14643 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14645 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14647 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14650 * c.opt (Wpointer-sign): Init to -1.
14651 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14652 OPT_pedantic, to 0 otherwise.
14653 * doc/invoke.texi: Update.
14655 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14657 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14658 constants provided by 80387 instructions in the destination mode.
14660 2006-01-26 Richard Guenther <rguenther@suse.de>
14661 Andrew Pinski <pinskia@physics.uc.edu>
14664 partial PR tree-opt/17064
14665 * tree-ssa-structalias.c (intra_create_variable_infos):
14666 Create heap variables for incoming parameters if
14667 flag_argument_noalias > 1.
14668 (find_what_p_points_to): Look through default defs of
14671 2006-01-26 Jeff Law <law@redhat.com>
14674 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14675 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14676 within the VR_RANGE, use the VR_RANGE as the result, not the
14678 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14679 bounds for the type.
14681 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14683 * tree-ssa-alias.c (maybe_create_global_var): Change
14684 subvar walking to an assertion that we don't have subvar'd variables.
14686 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14689 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14690 Use a new variable, inner. PARM_DECLs are always non-weak.
14692 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14694 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14695 --disable-checking.
14697 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14699 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14701 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14703 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14704 (smax_insn, smin_insn, smax_0, smin_0): New.
14706 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14709 * config/cris/cris.c (cris_order_for_addsi3): New function.
14710 * config/cris/cris-protos.h: Prototype it.
14711 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14712 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14713 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14714 (split for "op.S1 [rx=rx+i],ry (swapped)")
14715 (split for "op(s|u).S1 [rx=rx+i],ry")
14716 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14717 Apply cris_order_for_addsi3 when generating addsi3 insns.
14719 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14721 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14722 (TREE_BLOCK): Add call to EXPR_CHECK.
14724 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14727 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14728 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14729 (dump_omp_clauses): ... here.
14730 (dump_generic_node): Handle OMP_CLAUSE.
14731 * tree.c (omp_clause_num_ops): New.
14732 (omp_clause_code_name): New.
14733 (tree_code_size): Handle OMP_CLAUSE.
14734 (tree_size): Likewise.
14735 (make_node): Document handling of OMP_CLAUSE.
14736 (tree_node_structure): Handle OMP_CLAUSE.
14737 (omp_clause_check_failed): New.
14738 (omp_clause_range_check_failed): New.
14739 (omp_clause_operand_check_failed): New.
14740 (build_omp_clause): New.
14741 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14742 * tree.h (enum omp_clause_code): Declare.
14743 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14744 (OMP_CLAUSE_RANGE_CHECK): Define.
14745 (OMP_CLAUSE_ELT_CHECK): Define.
14746 (omp_clause_check_failed): Declare.
14747 (omp_clause_operand_check_failed): Declare.
14748 (omp_clause_range_check_failed): Declare.
14749 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14750 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14751 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14752 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14753 (OMP_CLAUSE_IF_EXPR): Likewise.
14754 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14755 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14756 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14757 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14758 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14759 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14760 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14761 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14762 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14763 (OMP_CLAUSE_CODE): Define.
14764 (OMP_CLAUSE_SET_CODE): Define.
14765 (OMP_CLAUSE_CODE): Define.
14766 (OMP_CLAUSE_OPERAND): Define.
14767 (struct tree_omp_clause): Declare.
14768 (union tree_node): Add field 'omp_clause'.
14769 * treestruct.def (TS_OMP_CLAUSE): Define.
14770 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14771 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14772 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14773 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14774 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14775 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14776 (OMP_CLAUSE): Define.
14777 * print-tree.c (print_node): Handle OMP_CLAUSE.
14778 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14779 * c-typeck.c: Likewise.
14780 * gimplify.c: Likewise.
14781 * c-omp.c: Likewise.
14782 * tree-nested.c: Likewise.
14783 * tree-inline.c: Likewise.
14784 * c-parser.c: Likewise.
14785 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14788 2006-01-25 Roger Sayle <roger@eyesopen.com>
14790 PR rtl-optimization/25703
14791 * combine.c (try_combine): Handle zero_extract and strict_low_part
14792 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14794 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14796 * global.c: Fix comment typos.
14798 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14801 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14802 Use output_addr_const instead of assemble_name.
14804 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14806 * Makefile.in (sched-vis.o): Update dependencies.
14807 * haifa-sched.c (sched_finish): Clear current_sched_info.
14808 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14809 (dump_flow_info): Call it.
14810 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14812 * basic-block.h (dump_bb_info): Declare.
14813 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14814 option, and apply options only for dump files whose TDF_RTL,
14815 TDF_TREE, or TDF_IPA bits match.
14816 * rtl.h: Declare new functions exported from sched-vis.c.
14817 * sched-vis.c: Enable also if scheduling is not used.
14818 (print_value): Print the mode of registers if not inside scheduling.
14819 (print_insn): Make it work outside the scheduler. Beautify the output
14821 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14823 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14825 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14826 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14827 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14828 depending on the value of CONSTANT_POOL_ADDRESS_P.
14829 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14831 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14832 rather than SYMBOL_REF_DECL.
14833 (rtx_constant_pool): Remove const_rtx_sym_htab.
14834 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14835 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14836 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14837 Remove handling of const_rtx_sym_htab.
14838 (find_pool_constant): Delete.
14839 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14840 rather than find_pool_constant.
14841 (get_pool_constant_for_function): Delete.
14842 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14843 find_pool_constant.
14844 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14845 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14846 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14847 (SYMBOL_REF_CONSTANT): New macro.
14848 (get_pool_constant_for_function): Delete.
14849 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14850 rather than SYMBOL_REF_DECL.
14851 (i386_pe_mark_dllimport): Likewise.
14852 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14853 rather than SYMBOL_REF_DECL.
14854 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14855 (machopic_indirect_call_target): Likewise.
14857 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14859 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14861 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14863 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14865 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14867 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14869 2006-01-24 David Daney <ddaney@avtrex.com>
14872 * configure.ac (enable_tls): New enable option.
14873 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14874 * configure: Regenerate.
14875 * doc/install.texi (--enable-tls): Document new option.
14876 (--disable-tls): Ditto.
14878 2006-01-24 Richard Henderson <rth@redehat.com>
14880 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14881 * alias.c (true_dependence): Respect it.
14882 (canon_true_dependence, write_dependence_p): Likewise.
14883 * builtins.c (get_builtin_sync_mem): Set it.
14885 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14887 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14890 2006-01-24 DJ Delorie <dj@redhat.com>
14892 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14893 for storing constants in single-bit bitfields.
14895 2006-01-25 Ben Elliston <bje@au.ibm.com>
14897 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14899 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14902 * tree-ssa-pre.c (phi_translate): Return NULL
14903 for AGGREGATE_TYPE's.
14905 2006-01-24 Zack Weinberg <zackw@panix.com>
14907 * genautomata.c (process_state_for_insn_equiv_partition):
14908 Use xcalloc for insn_arcs_array.
14909 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14910 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14912 2006-01-24 Richard Henderson <rth@redhat.com>
14914 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14915 update all callers.
14917 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14919 PR rtl-optimization/25890
14920 PR rtl-optimization/25905
14921 * combine.c (expand_compound_operation, expand_field_assignment):
14922 Fail if the bitfield's final position is out of bounds.
14924 2006-01-24 Ian Lance Taylor <ian@airs.com>
14926 PR middle-end/25930
14927 * cgraphunit.c (cgraph_output_in_order): Don't clear
14928 cgraph_asm_nodes until after asm strings have been output.
14930 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14932 * fix-header.c (read_scan_file): Add new parameter imultilib when
14933 calling register_include_chains.
14935 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14937 * omp-low.c: Update documentation.
14939 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14940 Daniel Berlin <dberlin@dberlin.org>
14944 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14945 return from the function.
14947 2006-01-22 Zack Weinberg <zackw@panix.com>
14949 * rtl.def (match_code): Add second argument.
14950 * genpreds.c (write_extract_subexp): New function.
14951 (write_match_code): Add path argument. Use write_extract_subexp.
14952 (write_predicate_expr): Pass path to write_match_code.
14953 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14954 not perform a mode test.
14955 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14956 a subexpression does not constrain the top-level code set.
14957 * read-rtl.c (read_rtx_variadic): New function.
14958 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14959 * doc/md.texi: Document new notation.
14960 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14961 (cmpsi_operand): ... here, using new notation.
14963 2006-01-22 Zack Weinberg <zackw@panix.com>
14965 * varray.c: Remove GENERATOR_FILE #ifdefs.
14967 2006-01-22 Zack Weinberg <zackw@panix.com>
14969 * genautomata.c (output_reserved_units_table): Emit nothing if
14970 description->query_units_num is zero. Remove extra blank line.
14971 (output_cpu_unit_reservation_p): Short circuit
14972 if description->query_units_num is zero.
14974 2006-01-22 Zack Weinberg <zackw@panix.com>
14976 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14977 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14978 nor any of the random handful of variables that used to be necessary
14979 when this program was linked with rtlanal.o. Prune set of forward
14980 function declarations.
14981 (struct attr_desc): Remove static_p field.
14982 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14983 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14984 (attr_string): Do not read the character one past the length of
14986 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14987 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14988 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14989 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14990 (make_automaton_attrs): New.
14991 (main): Do not call into genautomata. Call local gen_bypass
14992 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14993 Remove special case for insn_alts.
14994 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14995 varray.h (leftover from previous change). Prune set of forward
14996 function declarations. Remove state_alts fields from all
14997 structures. Remove state_alts_table from struct automaton.
14998 Make everything except main static. Do not maintain num_dfa_decls.
14999 Do not maintain state_alts fields of various structures.
15000 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15001 (add_arc): Remove state_alts argument. All callers updated.
15002 (output_reserved_units_table): Emit #ifdef here...
15003 (output_tables): ...not here. Don't generate state_alts tables.
15004 (expand_automata): Don't generate attributes.
15005 (write_automata): Don't generate state_alts functions.
15006 (main): New function.
15007 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15008 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15009 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15010 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15011 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15012 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15013 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15014 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15016 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15017 * genattrtab.h: Delete file.
15018 * Makefile.in (OBJS-common): Add insn-automata.o.
15019 (insn-automata.o): New rule.
15020 (simple_generated_c): Add insn-automata.c.
15021 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15022 (genprogmd): Add automata.
15023 (build/genattrtab): Needs no extra objects nor libraries.
15024 (build/genautomata): Needs build/vec.o and -lm.
15026 2006-01-22 Zack Weinberg <zackw@panix.com>
15028 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15029 (output_dfa_max_issue_rate, locked_states_num): Delete.
15030 (struct automaton): Add locked_states field.
15031 (output_dead_lock_vect): Save number of locked states in
15032 automaton->locked_states. If it is zero, don't print anything.
15033 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15034 (output_internal_dead_lock_func): Only test the dead_lock_vect
15035 for automata that have locked states.
15036 (output_statistics): Always print the number of locked states for
15037 each automaton. Calculate total number of locked states here.
15038 (write_automata): Don't call output_dfa_max_issue_rate.
15039 * genattrtab.c: Define length_unit_log as a const variable.
15040 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15041 max_insn_queue_index const.
15042 * final.c (length_unit_log): Declare const.
15043 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15045 2006-01-22 Zack Weinberg <zackw@panix.com>
15047 * genautomata.c: Include vec.h, not varray.h.
15048 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15049 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15050 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15051 VEC_* macros operating on appropriately typed vectors, or to
15052 malloced arrays when the size is known in advance. Const-ify
15053 many char* variables and function arguments. No functional changes.
15054 * Makefile.in (build/varray.o): Delete rule.
15055 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15056 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15058 2006-01-22 Zack Weinberg <zackw@panix.com>
15060 * gensupport.c: Define get_insn_name and record_insn_name here.
15061 (read_md_rtx): Call record_insn_name as appropriate.
15062 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15063 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15064 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15066 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15067 (BUILD_VARRAY): Delete.
15068 (genprognormal): Rename genprogmd. Fold in all programs from
15069 genprognoprint; also attrtab.
15070 (build/genattrtab): Just mention genautomata.o and varray.o.
15071 Reorganize a bit, add comments to make the categories clearer.
15073 2006-01-22 Zack Weinberg <zackw@panix.com>
15075 * genconditions.c (condition_table, add_condition): Delete.
15076 (write_conditions): Don't emit n_insn_conditions nor
15077 insn_elision_unavailable. Issue the gcc version #ifdef here,
15078 inside the table, with no #else clause ...
15079 (write_header): ...not here.
15080 (write_writer): New function.
15081 (main): Don't initialize condition_table. Use add_c_test.
15083 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15084 files on the command line.
15085 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15086 Return -1 if there is no entry in the table, don't abort.
15087 (add_c_test, traverse_c_tests): New functions.
15088 * gensupport.h (insn_elision_unavailable, insn_conditions)
15089 (n_insn_conditions): Delete declarations.
15090 (add_c_test, traverse_c_tests): Declare.
15091 * read-rtl.c: Include gensupport.h.
15092 (read_conditions): New function.
15093 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15094 (read_rtx_1): If we get EOF when we were looking for an initial
15095 open paren, return 0. Call read_conditions when appropriate.
15096 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15097 dummy-conditions.o. Eliminate references to insn-conditions.o,
15098 or change them to build/gencondmd.o, as appropriate. Remove
15099 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15100 from $(simple_generated_c). For all files remaining in those
15101 two lists, add insn-conditions.md to the generator command line.
15102 Give insn-constants.h/s-constants their own rules. Add rules
15103 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15104 (build/read-rtl.o): Depend on gensupport.h.
15105 (genprognormal): Include preds.
15106 (genprogearly): Rename genprognoprint; only difference is now that
15107 they don't link with $(BUILD_PRINT).
15108 * dummy-conditions.c: Delete.
15110 2006-01-22 Zack Weinberg <zackw@panix.com>
15112 * genextract.c: Don't include insn-config.h. Do include vec.h.
15113 Declare vectors of int, char, and locstr.
15114 (locstr): New typedef.
15115 (struct extraction): Make all array fields into bare pointers.
15116 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15117 (insn_code_number): Delete.
15118 (accum_extract): New struct.
15119 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15120 (gen_insn): Take insn_code_number as an argument. Use an
15121 accum_extract structure instead of loading data directly into
15122 a struct extraction, and having to know how big it might get.
15123 (walk_rtx): Operate entirely on an accum_extract structure.
15124 (print_path): Avoid unnecessary use of printf.
15125 (print_header): New function, split out of main. Distinguish
15126 more carefully between an unrecognizable insn and an insn that
15127 has the code number of a define_expand.
15128 (main): Pass insn_code_number to gen_insn. Call print_header
15129 only after parsing. Avoid unnecessary use of printf.
15130 * Makefile.in (build/vec.o): New rule.
15131 (build/genextract): Depend on build/vec.o.
15132 (build/genextract.o): Don't depend on insn-config.h.
15134 2006-01-22 Zack Weinberg <zackw@panix.com>
15136 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15137 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15138 practical. Eliminate per-generator-program link rules.
15140 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15142 PR middle-end/24437
15143 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15144 with a call expr to ...
15145 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15147 2006-01-23 Richard Guenther <rguenther@suse.de>
15149 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15150 before make_edge with conditional EDGE_TRUE_VALUE.
15152 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15153 Jan Hubicka <jh@suse.cz>
15154 Richard Guenther <rguenther@suse.de>
15156 PR rtl-optimization/25654
15157 * cfgexpand.c (aggregate_contains_union_type): New function.
15158 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15159 for structure variables that contain a union type.
15161 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15163 * gengtype.c (new_structure): Return the structure.
15164 (create_option): Add an extra "next" argument.
15165 (create_field): New function.
15166 (adjust_field_rtx_def): Use create_option and create_field.
15167 Remove a now-unnecessary call to find_structure.
15168 (adjust_field_tree_def): Likewise.
15169 (note_yacc_type): Remove an unnecessary call to find_structure.
15170 * gengtype.h (new_structure): Return the structure.
15171 (create_option): Add an extra argument.
15172 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15173 (option): Adjust calls to create_option.
15175 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15177 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15179 2006-01-22 Paul Brook <paul@codesourcery.com>
15180 Peter Barada <peter@the-baradas.com>
15182 * config/m68k/m68k.md: Add Coldfire FPU support.
15183 Define FP mode macro and associated attributes.
15184 Use it for float mode patterns.
15185 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15186 (LIBCALL_VALUE): Use m68k_libcall_value.
15187 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15188 (m68k_function_value): Ditto.
15189 (emit_move_sequence): Ditto.
15190 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15191 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15192 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15193 (MULTILIB_EXCEPTIONS): Ditto.
15194 * config/m68k/m68k.opt: Add mcfv4e.
15195 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15196 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15197 (m68k_output_function_prologue): Save ColdFire FPU registers.
15198 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15199 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15200 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15201 ColdFire FPU registers.
15202 (m68k_libcall_value, m68k_function_value): New functions.
15203 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15204 (LIBCALL_VALUE): Use m68k_libcall_value.
15205 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15206 (MASK_COLDFIRE): Add MASK_CFV4E.
15207 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15208 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15209 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15210 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15211 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15212 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15213 * doc/invoke.tex: Document -mcfv4e on m68k.
15215 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15217 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15220 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15223 * c-opts.c (c_common_handle_option): Don't include
15224 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15225 * doc/invoke.texi (C++ Dialect Options): Document that
15226 -Wnon-virtual-dtor is no longer included in -Wall.
15228 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15230 * gcov.c (print_version), gcov-dump.c (print_version),
15231 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15234 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15236 * df-scan.c (problem_SCAN): Added NULL reset function.
15237 (df_scan_reset_blocks): Added code to call reset block function
15238 (df_bb_refs_delete) Fixed comment.
15239 (df_insn_refs_delete): Made tolerant of deleting non existent info
15240 for dataflow problems that need to be reset.
15241 * df-core.c (df_set_blocks): Ditto.
15242 * df.h (struct df_problem): Added reset_fun.
15243 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15244 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15245 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15246 functions to clear out all references to def-use or use-def chains.
15248 2006-01-21 Ben Elliston <bje@au.ibm.com>
15250 * varasm.c (assemble_real): Initialise data array.
15252 2006-01-20 Paul Brook <paul@codesourcery.com>
15254 Merge from csl-arm-branch.
15255 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15256 * config/arm/arm.md (movdi): Force operands[1] to a register
15257 if we have a non-register source.
15258 (*arm_movdi, *movdf_soft_insn): Require that one of the
15259 operands be a register.
15260 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15261 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15263 2006-01-20 DJ Delorie <dj@redhat.com>
15265 * varasm.c (initializer_constant_valid_p): Allow pointers
15266 initialized from integer constants of lesser precision.
15267 (output_constant): Allow non-int-sized pointer modes to be
15268 initialized from integer constants.
15270 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15273 * cppdefault.h (struct default_include): Add multilib flag.
15274 * cppdefault.c (cpp_include_defaults): Set it.
15275 * c.opt (-imultilib): New option.
15276 * c-opts.c (imultilib): New.
15277 (c_common_handle_option): Handle -imultilib.
15278 (c_common_post_options): Likewise.
15279 * c-incpath.c (add_standard_paths, register_include_chains):
15281 * c-incpath.h (register_include_chains): Add extra parameter.
15282 * gcc.c (do_spec_1): Generate -imultilib option.
15283 (The Specs Language): Update %I description.
15284 (process_command): Update copyright notice.
15285 * doc/cppopts.texi (-imultilib): Document.
15286 * doc/invoke.texi (-imultilib): Include in option summary.
15287 (%I): Update specs documentation.
15289 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15291 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15293 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15295 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15298 2006-01-20 Richard Guenther <rguenther@suse.de>
15299 Steven Bosscher <stevenb.gcc@gmail.com>
15301 PR rtl-optimization/24626
15302 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15303 EDGE_TRUE_VALUE if in RTL mode.
15306 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15307 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15309 2006-01-20 Dirk Mueller <dmueller@suse.com>
15312 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15313 instead of a special NOP marker.
15314 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15315 NOP marker handling.
15316 * c-common.h (empty_body_warning): Add forward declaration.
15317 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15318 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15320 2006-01-20 Paul Brook <paul@codesourcery.com>
15322 * Makefile.in (lang_checks): Keep going if mkdir fails.
15324 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15326 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15327 be able to clean out basic block when not necessary.
15328 (df_scan_free): Fixed to properly delete information if df is
15329 unused before calling df_finish.
15330 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15331 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15333 (df_bb_refs_delete): New function.
15334 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15335 * df-core.c (df_set_blocks): Added code to properly clean out
15336 unused blocks if they are not part of the blocks to consider.
15337 Added additional null check.
15338 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15339 be able to clean out basic block when not necessary
15340 * df.h (df_free_bb_function): Ditto.
15341 (df_bb_refs_delete): New function.
15342 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15343 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15344 basic block parameter to be able to clean out basic block when not
15346 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15347 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15348 Fixed to properly delete information if df is unused before
15351 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15353 PR rtl-optimization/25799
15354 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15355 Corrected confluence operator to remove bits from op2 before oring
15356 with op1 rather than removing bits from op1.
15357 (df_ru_transfer_function): Corrected test on wrong bitmap which
15358 caused infinite loop. Both of these problems were introduced in
15359 the dataflow rewrite.
15361 2006-01-19 DJ Delorie <dj@redhat.com>
15363 * reload1.c (find_reload_regs): Note the details of reload
15364 failures in the dump file.
15365 (spill_failure): Likewise.
15367 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15369 * loop-iv.c: Include df.h and hashtab.h.
15370 (enum iv_grd_result): New enum.
15371 (DF_REF_IV, DF_REF_IV_SET): New macros.
15372 (struct biv_entry): New.
15373 (df, bivs): New global variables.
15374 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15375 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15377 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15378 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15379 analyzed_for_bivness_p, record_biv): New functions.
15380 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15381 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15382 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15384 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15386 (iv_number_of_iterations): Use new interface to iv analysis.
15387 * loop-unroll.c: Do not include varray.h.
15388 (analyze_iv_to_split_insn): Use new interface to iv
15390 * loop-unswitch.c (may_unswitch_on): Ditto.
15391 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15393 (df_bb_modify): Realloc tables to the new index.
15394 (df_find_use): New function.
15395 * df.h (df_find_use): Declare.
15396 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15398 * cfgloop.h (struct rtx_iv): Remove analysed field.
15399 (iv_get_reaching_def): Removed.
15400 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15401 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15402 (loop-iv.o): Add df.h and hashtab.h dependency.
15403 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15405 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15408 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15410 (__floatundisf, __floatundidf): Likewise.
15411 * libgcc2.h (IS_IBM_EXTENDED): Define.
15413 2006-01-19 DJ Delorie <dj@redhat.com>
15415 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15417 2006-01-19 Paul Brook <paul@codesourcery.com>
15419 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15420 as nothrow when unwinding tables are disabled.
15422 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15425 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15426 of bit-field" when in system header.
15428 2006-01-19 DJ Delorie <dj@redhat.com>
15430 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15431 the 16 bit shift limit of the m16c.
15433 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15436 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15437 * config/i386/i386.c (output_set_got): Output the label if we have one
15438 for the TARGET_DEEP_BRANCH_PREDICTION case.
15440 2006-01-19 Jan Hubicka <jh@suse.cz>
15441 H.J. Lu <hongjiu.lu@intel.com>
15442 Evandro Menezes <evandro.menezes@amd.com>
15444 * invoke.texi (generic): Document
15446 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15447 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15448 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15449 (x86_use_incdec, x86_pad_returns): New variables
15450 (TARGET_CPU_DEFAULT_generic): New constant
15451 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15452 (enum processor_type): Add generic32 and generic64.
15453 * i386.md (cpu attribute): Add generic32/generic64
15454 (movhi splitter): Behave sanely when both partial_reg_dependency and
15455 partial_reg_stall are set.
15456 (K8 splitters): Enable for generic as well.
15457 * predicates.md (incdec_operand): Use TARGET_INCDEC
15458 (aligned_operand): Avoid memory mismatch stalls.
15459 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15460 * ppro.md: Enable for generic32
15461 * i386.c (generic64_cost, generic32_cost): New.
15462 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15463 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15464 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15465 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15466 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15467 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15468 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15469 x86_accumulate_outgoing_args, x86_prologue_using_move,
15470 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15471 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15472 Enable for generic.
15473 (x86_use_incdec, x86_pad_returns): New.
15474 (override_options): Add generic32 and generic64, translate "generic"
15475 to generic32/generic64 and "i686" to "generic32", refuse
15476 "generic32"/"generic64" as arch target.
15477 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15478 (ix86_reorg): Honor PAD_RETURNS.
15480 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15482 * tree-pretty-print.c (dump_generic_node): Handle
15483 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15484 * cgraph.c (cgraph_expand_queue): Rename from
15485 cgraph_analyze_queue. Update all users.
15486 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15487 cgraph_expand_queue.
15488 (cgraph_expand_all_functions): Likewise.
15489 (cgraph_finalize_pending_functions): Remove. Update callers.
15491 * tree.h (OMP_DIRECTIVE_P): Define.
15492 (OMP_PARALLEL_FN): Define.
15493 (OMP_PARALLEL_DATA_ARG): Define.
15494 (OMP_SECTIONS_SECTIONS): Define.
15495 * tree-pass.h (pass_expand_omp): Declare.
15496 * omp-low.c (struct omp_region): Declare.
15497 (struct omp_context): Remove fields 'parallel_type',
15498 'parallel_start_ix' and 'parallel_start_additional_args'.
15500 (struct omp_for_data): Rename from struct expand_omp_for_data.
15501 (omp_regions): New static variable.
15502 (root_omp_region): New static variable.
15503 (find_omp_clause): Make static.
15504 (is_in_combined_parallel_ctx): Remove.
15505 (is_combined_parallel): New.
15506 (extract_omp_for_data): Move earlier in the file.
15507 (workshare_safe_to_combine_p): New.
15508 (get_ws_args_for): New.
15509 (determine_parallel_type): Move earlier in the file.
15510 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15512 (omp_copy_decl): Likewise.
15513 (create_omp_child_function): Likewise.
15514 (lookup_omp_region): New.
15515 (dump_omp_region): New.
15516 (debug_omp_region): New.
15517 (debug_all_omp_regions): New.
15518 (new_omp_region): New.
15519 (scan_omp_parallel): If parallel_nesting_level > 1, the
15520 directive is nested within another parallel directive.
15521 Set OMP_PARALLEL_FN.
15522 (scan_omp_for): Do not try to handle combined parallel+for
15524 Remove FIXME comment.
15525 (scan_omp_nested): Remove.
15526 (scan_omp_1): Do not call scan_omp_nested when
15527 parallel_nesting_level is > 1.
15528 Do not change the DECL_CONTEXT of local variables found.
15529 (lookup_decl_in_outer_ctx): New.
15530 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15531 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15532 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15533 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15534 If CTX is nested, lookup VAR in the outer context when
15535 building copy assignment.
15536 (lower_send_clauses): Rename from expand_send_clauses.
15537 If CTX is nested, lookup VAR in the outer context when
15538 building copy assignments.
15539 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15540 If CTX is nested, lookup VAR in the outer context when
15541 building copy assignments.
15542 (expand_parallel_call): Rename from build_parallel_call.
15543 Handle combined parallel+workshare cases.
15544 Re-implement to emit code into the CFG.
15546 (expand_omp_parallel): Re-implement to emit code into the CFG.
15547 Call move_sese_region_to_fn to outline the sub-graph
15548 containing the parallel region.
15549 (expand_omp_for_1): Remove.
15550 (expand_omp_for_generic): Re-implement to emit code into the
15552 (expand_omp_for_static_nochunk): Likewise.
15553 (expand_omp_for_static_chunk): Likewise.
15554 (expand_omp_for): Likewise.
15555 (expand_omp_sections): Likewise.
15556 (remove_exit_barriers): New.
15557 (expand_omp_synch): New.
15559 (build_omp_regions_1): New.
15560 (build_omp_regions): New.
15561 (execute_expand_omp): New.
15562 (gate_expand_omp): New.
15563 (pass_expand_omp): Define.
15564 (lower_omp_sections): Rename from expand_omp_sections.
15565 Set OMP_SECTIONS_SECTIONS.
15566 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15567 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15568 (lower_omp_single): Rename from expand_omp_simple.
15569 (lower_omp_master): Rename from expand_omp_master.
15570 (lower_omp_ordered): Rename from expand_omp_ordered.
15571 (lower_omp_critical): Rename from expand_omp_critical.
15572 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15573 (lower_omp_for): Re-implement.
15574 (lower_omp_parallel): Re-implement.
15575 (lower_regimplify): Rename from expand_regimplify.
15576 (lower_omp_1): Rename from expand_omp_1.
15577 If there are syntax errors in the program, replace every
15578 OpenMP directive with NOP.
15579 Call lower_omp_* instead of expand_omp_*.
15580 (lower_omp): Rename from expand_omp.
15582 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15583 * tree-gimple.h (enum omp_parallel_type): Remove.
15584 (gimple_boolify): Declare extern.
15585 (find_omp_clause, determine_parallel_type): Remove.
15587 * gimple-low.c (lower_omp_directive): New.
15588 (lower_stmt): Call it.
15589 (record_vars_into): Move from ...
15590 (record_vars): ... here.
15591 Call record_vars_into with current_function_decl.
15593 * gimplify.c (struct gimplify_ctx): Remove fields
15594 combined_pre_p and combined_ctxp. Update users.
15595 (get_formal_tmp_var): Add documentation.
15596 (gimple_boolify): Make extern.
15597 (gimplify_expr_in_ctx): Remove. Update callers.
15598 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15599 will always be a BIND_EXPR.
15600 (gimplify_expr): Handle OMP_RETURN_EXPR.
15601 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15602 (OMP_PARALLEL): Add 3 operands.
15603 (OMP_SECTIONS): Add 1 operand.
15604 (OMP_RETURN_EXPR): Define.
15606 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15607 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15608 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15609 creating a circular free list.
15610 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15612 * tree-flow.h (move_sese_region_to_fn): Declare.
15613 (record_vars_into): Declare.
15614 * tree-cfg.c (make_omp_sections_edges): New.
15615 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15616 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15617 OMP_SECTIONS and OMP_SECTION.
15618 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15619 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15620 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15621 (gather_blocks_in_sese_region): New.
15622 (struct move_stmt_d): Declare.
15623 (move_stmt_r): New.
15624 (move_block_to_fn): New.
15625 (move_sese_region_to_fn): New.
15627 * passes.c (init_optimization_passes): Schedule
15628 pass_expand_omp after pass_init_datastructures.
15630 * tree-ssa-operands.c (get_expr_operands): Handle
15631 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15632 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15634 2006-01-19 Jeff Law <law@redhat.com>
15636 * tree-vrp.c (extract_range_from_assert): Refine the result range
15637 if the variable referenced by the ASSERT_EXPR has a range and
15638 either the tentative result range or the previous range is a
15641 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15643 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15645 2006-01-19 Jan Hubicka <jh@suse.cz>
15647 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15649 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15651 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15652 (expand_compound_operation, expand_field_assignment): Fail if the
15653 bit lengths of an extract operation are out of range.
15654 (make_extraction): Compute wanted_inner_mode based on the position
15655 and length of the extraction. Make it extraction_mode for non-constant
15656 positions, and do not modify offset in that case. When generating a
15657 new MEM, use a mode that can hold the extraction while keeping correct
15658 alignment. Remove code that supported MEMs wrapped by USEs.
15659 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15661 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15663 * config/s390/s390.md ("Y", "y"): New mode attribute.
15664 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15665 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15666 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15667 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15668 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15669 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15670 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15671 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15672 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15673 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15674 "addsi3", "subsi3"): Insn patterns removed.
15675 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15676 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15677 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15678 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15679 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15680 "*sub<mode>3_cconly2"): New insn patterns.
15681 ("addsi3", "subsi3"): New expanders.
15683 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15685 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15686 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15687 existing STMT_VINFO_VECTYPE if available.
15688 (vect_mark_relevant): Add special handling for stmts that are
15689 marked as STMT_VINFO_IN_PATTERN_P.
15690 (vect_analyze_loop): Call vect_pattern_recog.
15691 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15692 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15694 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15695 (vect_recog_func_ptr): New function-pointer type.
15696 * tree-vect-patterns.c: New file.
15697 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15698 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15699 (vect_pattern_recog_1): New functions.
15700 (vect_pattern_recog_funcs): New array of function pointers.
15702 * tree-vectorizer.h (ternary_op): New enum value.
15703 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15704 declaration. Revised documentation. Removed redundant dump prints.
15705 Removed redundant argument. Added support for reduction patterns.
15706 (vectorizable_reduction): Added support for reduction patterns.
15707 (vect_transform_stmt): Added support for patterns.
15709 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15710 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15711 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15712 (expand_widen_pattern_expr): New function.
15713 (init_optabs): Initialize new optabs udot_prod_optab,
15715 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15716 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15717 (expand_widen_pattern_expr): New function declaration.
15718 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15720 * tree-inline.c (estimate_num_insns_1): Added cases for new
15721 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15722 * tree-pretty-print.c (dump_generic_node): Likewise.
15723 (op_prio): Likewise.
15724 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15725 * tree-ssa-operands.c (get_expr_operands): Added case for
15727 * tree-vect-patterns.c (widened_name_p): New function.
15728 (vect_recog_dot_prod_pattern): Added function implementation.
15729 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15730 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15731 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15732 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15734 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15735 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15736 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15737 (init_optabs): Initialize new optabs widen_ssum_optab,
15739 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15740 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15741 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15742 use instead of type of def.
15743 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15744 function implementation.
15745 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15746 widen_ssumv8hi): New.
15748 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15751 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15754 * c-decl.c (add_flexible_array_elts_to_size): New function.
15755 (finish_decl): Use it.
15757 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15759 * diagnostic.h: Include options.h.
15760 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15761 dependancies for diagnostic.h.
15762 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15764 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15766 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15767 (ssa_ro_call_cache_valid): Ditto.
15768 * tree-ssa-alias.c (sort_tags_by_id): New function.
15769 (init_transitive_clobber_worklist): Ditto.
15770 (add_to_worklist): Ditto.
15771 (mark_aliases_call_clobbered): Ditto.
15772 (compute_tag_properties): Ditto.
15773 (set_initial_properties): Ditto.
15774 (compute_call_clobbered): Ditto.
15775 (compute_may_aliases): Call compute_call_clobbered and grouping.
15776 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15777 (compute_flow_insensitive_aliasing): Grouping now happens in our
15779 (setup_pointers_and_addressables): Remove clobbering related code.
15780 (add_may_alias): Ditto.
15781 (replace_may_alias): Ditto.
15782 (get_nmt_for): Ditto.
15783 (create_global_var):
15784 (is_escape_site): Return an escape_type enumeration.
15785 * tree-flow-inline.h (is_call_clobbered): Global var does not
15786 imply call clobbered.
15787 (mark_call_clobbered): Take a reason for marking this. Remove
15788 marking of globalness, and cache invalidation.
15789 (clear_call_clobbered): Remove cache invalidation code.
15790 * tree-dfa.c (dump_variable): If details is on, dump the reason
15792 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15794 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15795 (struct var_ann_d): Ditto.
15796 (enum escape_type): New.
15797 (mark_call_clobbered): Adjust prototype.
15798 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15799 are never call clobbered.
15800 Record reasons for escaping.
15801 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15802 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15803 (ssa_ro_call_cache_valid): Ditto.
15804 (clobbered_v_may_defs): Ditto.
15805 (clobbered_vuses): Ditto.
15806 (ro_call_vuses): Ditto.
15807 (clobber_stats): New.
15808 (init_ssa_operands): Zero out clobber stats.
15809 (fini_ssa_operands): Print out clobber stats.
15810 (get_call_expr_operands): Pass callee fndecl to
15811 add_call_read_ops).
15812 (add_call_clobber_ops): Remove use of cache.
15813 Add use of PURE_CONST information.
15814 (add_call_read_ops): Remove use of cache.
15815 Add use of static not_read information.
15817 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15819 Introduce TLS descriptors for i386 and x86_64.
15820 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15821 (TARGET_ANY_GNU_TLS): New macro.
15822 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15823 (struct machine_function): Add tls_descriptor_call_expanded_p.
15824 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15825 (ix86_current_function_calls_tls_descriptor): Likewise.
15826 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15827 (override_options): Introduce gnu2 tls dialect.
15828 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15830 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15832 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15833 (ix86_init_machine_status): Initialize new field.
15834 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15835 (ix86_tls_module_base): New.
15836 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15837 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15838 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15839 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15840 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15841 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15842 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15843 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15844 * config/i386/predicates.md (tls_modbase_operand): New.
15845 (tp_or_register_operand): New.
15847 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15849 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15850 (look_for_address_of): Ditto.
15851 (ipa_init): Walk the function decls.
15852 (static_execute): Don't set readonly on FUNCTION_DECL's.
15854 2006-01-18 Roger Sayle <roger@eyesopen.com>
15856 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15857 for shifts where the source and destination registers are different.
15859 2006-01-18 Paul Brook <paul@codesourcery.com>
15861 Merge from csl-arm-branch.
15862 2005-03-14 Julian Brown <julian@codesourcery.com>
15863 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15864 (aeabi_llsl): Likewise.
15865 (ashrdi3): Likewise.
15866 (aeabi_lasr): Likewise.
15867 (lshrdi3): Likewise.
15868 (aeabi_llsr): Likewise.
15869 2005-03-10 Julian Brown <julian@codesourcery.com>
15870 * config.gcc: Disable shared libgcc for SymbianOS.
15871 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15873 2006-01-18 DJ Delorie <dj@redhat.com>
15875 * c-pragma.c (handle_pragma_diagnostic): New.
15876 (init_pragma): Register it.
15877 * doc/extend.texi: Document it.
15879 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15880 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15881 (diagnostic_context): Add classify_diagnostic[].
15882 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15883 as errors if they're overridden to DK_WARNING.
15884 (diagnostic_initialize): Initialize classify_diagnostic[].
15885 (diagnostic_set_kind_override): New.
15886 (diagnostic_report_diagnostic): Check for kind changes.
15887 * opts.c (common_handle_option): Take lang_mask. Update callers.
15888 Handle OPT_Werror_.
15889 * common.opt (Werror=): New.
15890 * doc/invoke.texi: Document -Werror=*
15892 2006-01-18 Jeff Law <law@redhat.com>
15894 * tree-vrp.c (test_for_singularity): Correct test for new
15895 min limit. Use operand_equal_p rather than pointer equality
15896 for testing if new min/max values are equal.
15898 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15899 using range information until after propagation and folding.
15901 2006-01-18 Richard Henderson <rth@redhat.com>
15902 Aldy Hernandez <aldyh@redhat.com>
15903 Jakub Jelinek <jakub@redhat.com>
15904 Diego Novillo <dnovillo@redhat.com>
15906 * omp-low.c: New file.
15907 * c-omp.c: New file.
15909 2006-01-18 Richard Henderson <rth@redhat.com>
15910 Jakub Jelinek <jakub@redhat.com>
15911 Diego Novillo <dnovillo@redhat.com>
15913 * doc/invoke.texi: Document -fopenmp.
15914 * tree-dump.h (debug_function): Declare.
15915 * hooks.c (hook_bool_tree_bool_false): New function.
15916 (hook_tree_tree_null): Remove.
15917 (hook_tree_tree_tree_null): New.
15918 * hooks.h: Update to match.
15919 * tree-pretty-print.c (debug_tree_chain): New.
15920 (print_generic_expr): Handle TDF_CHAIN.
15921 (dump_generic_node): Handle BLOCK.
15922 Do not abort with incomplete SWITCH_EXPRs.
15923 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15924 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15925 print space after directive name.
15926 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15927 Handle OMP_MASTER and OMP_ORDERED.
15928 Handle printing of OMP_BODY just in one place, goto
15929 dump_omp_body in the rest of OMP_* nodes that have
15931 Don't handle clause nodes here. Update omp statements to
15932 use dump_omp_clauses.
15933 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15934 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15935 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15936 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15937 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15938 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15939 Adjust output for GOMP_PARALLEL.
15940 (dump_omp_clauses): New.
15941 (print_declaration): Dump DECL_VALUE_EXPR.
15942 (op_symbol_1): Split out of op_symbol.
15943 (dumping_stmts): Remove. Update all users.
15944 * cgraph.c (cgraph_analyze_queue): New.
15945 (cgraph_add_new_function): New.
15946 * cgraph.h (cgraph_analyze_queue): Declare.
15947 (cgraph_add_new_function): Declare.
15948 (cgraph_lower_function): Remove.
15949 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15950 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15951 and TYPE_P nodes in its default clause.
15952 (empty_body_p): New.
15953 (tree_range_check_failed): New.
15954 (build5_stat): New.
15955 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15956 OMP_CLAUSE_REDUCTION_MERGE,
15957 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15958 OMP_CLAUSE_PRIVATE_DEBUG,
15959 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15960 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15961 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15962 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15963 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15964 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15965 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15966 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15967 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15968 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15969 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15970 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15971 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15972 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15973 (TREE_RANGE_CHECK): New.
15974 (empty_body_p): Declare.
15975 (enum omp_clause_default_kind): New.
15976 (build_string_literal): Declare.
15977 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15978 (build5_stat, build5): Declare.
15979 * tree-pass.h (TDF_CHAIN): Define.
15980 * tree-pass.h (PROP_gimple_lomp): Define.
15981 (pass_lower_omp): Declare.
15982 * diagnostic.h (debug_tree_chain): Declare.
15983 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15985 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15986 * builtins.c (build_string_literal): Make extern.
15987 * gcc.c (include_spec_function): New.
15988 (static_spec_functions): Add it.
15989 (main): Move load of libgomp.spec ...
15990 (LINK_COMMAND_SPEC): ... here.
15991 (link_gomp_spec): New.
15992 (static_specs): Include it.
15993 (LINK_COMMAND_SPEC): Add link_gomp.
15994 (GOMP_SELF_SPECS): New.
15995 (driver_self_specs): Include it.
15996 (switch_matches): Don't mark inline.
15997 (main): Load libgomp.spec.
15998 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15999 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16000 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16001 * tree-gimple.h (enum omp_parallel): Declare.
16002 (determine_parallel_type): Declare.
16003 (omp_firstprivatize_variable): Declare.
16004 (omp_reduction_init): Declare.
16005 (diagnose_omp_structured_block_errors): Declare.
16006 (struct walk_stmt_info): Add want_return_expr.
16007 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16008 (find_omp_clause): Declare.
16009 (insert_field_into_struct): Declare.
16010 (struct walk_stmt_info): Move from tree-nested.c
16011 (walk_stmts): Declare.
16012 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16014 * cgraphunit.c (cgraph_lower_function): Make static.
16015 (cgraph_finalize_pending_functions): New.
16016 (cgraph_finalize_function): Call it.
16017 (cgraph_finalize_compilation_unit): Likewise.
16018 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16019 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16020 (BT_FN_UINT_UINT): New.
16021 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16022 DEF_FUNCTION_TYPE_VAR_4): Document.
16023 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16024 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16025 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16026 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16027 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16028 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16029 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16030 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16031 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16032 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16033 into separate files.
16034 (DEF_GOMP_BUILTIN): New.
16035 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16036 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16037 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16038 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16039 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16040 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16041 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16042 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16043 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16044 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16045 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16046 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16047 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16048 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16049 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16050 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16051 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16052 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16053 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16054 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16055 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16056 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16057 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16058 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16059 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16060 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16061 * sync-builtins.def: New file, moved from builtins.def.
16062 * omp-builtins.def: New file, moved from builtins.def.
16063 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16064 * gimple-low.c (lower_function_body): Clear data.
16065 (lower_stmt): Do not handle COMPOUND_EXPR.
16066 Remove call to print_node_brief.
16067 * c-tree.h (c_finish_omp_clauses): New prototype.
16068 (C_DECL_THREADPRIVATE_P): Define.
16069 (lookup_name_no_remap, c_omp_remap_private): Remove
16070 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16071 (check_for_loop_decls): Update decl.
16072 (lookup_name_no_remap, c_omp_remap_private): Declare.
16073 (build_indirect_ref, build_modify_expr, pushdecl,
16074 pushdecl_top_level): Move to c-common.h.
16075 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16076 before the switch, but just in the 2 places that need it.
16077 * c-decl.c (diagnose_mismatched_decls): Do not check for
16078 mismatched thread-local attributes when OLDDECL is marked
16079 threadprivate and NEWDECL has no thread-local attributes.
16080 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16081 (c_gimple_diagnostics_recursively): Rename from
16082 c_warn_unused_result_recursively. Invoke
16083 diagnose_omp_structured_block_errors.
16084 (check_for_loop_decls): Return a singular decl found.
16085 * langhooks.c (lhd_omp_predetermined_sharing): Return
16086 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16087 (lhd_omp_firstprivatize_type_sizes): New.
16088 (lhd_omp_assignment): New.
16089 (lhd_omp_predetermined_sharing): New.
16090 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16091 (struct lang_hooks_for_types): Add
16092 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16093 omp_predetermined_sharing, omp_disregard_value_expr,
16094 omp_private_debug_clause, omp_clause_default_ctor,
16095 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16096 (c_finish_omp_clauses): New.
16097 (c_finish_bc_stmt): Diagnose break within omp for.
16098 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16099 (build_unary_op): Return error_mark after reporting
16101 (build_modify_expr): Likewise.
16102 * gimplify.c: Include optabs.h and pointer-set.h.
16103 (enum gimplify_omp_var_data): Declare.
16104 (struct gimplify_omp_ctx): Declare.
16105 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16107 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16108 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16109 (splay_tree_compare_decl_uid): New.
16110 (new_omp_context): New.
16111 (delete_omp_context): New.
16112 (gimple_add_tmp_var): Call omp_add_variable.
16113 (gimplify_bind_expr): Likewise.
16114 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16115 true, disregard DECL_VALUE_EXPR on the decl if any.
16116 (gimplify_expr_in_ctx): New.
16117 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16118 omp_add_variable, omp_notice_variable, omp_is_private
16119 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16120 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16121 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16122 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16123 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16124 gimplify_omp_atomic): New.
16125 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16126 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16127 OMP_CRITICAL and OMP_ATOMIC.
16128 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16129 * c-pragma.h (enum pragma_kind): Add
16130 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16131 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16132 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16133 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16134 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16135 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16136 PRAGMA_OMP_THREADPRIVATE.
16137 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16138 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16139 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16140 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16141 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16142 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16143 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16144 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16145 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16146 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16147 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16148 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16149 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16151 (struct nesting_info): Add field_map,
16152 suppress_expansion, debug_var_chain.
16153 (create_nesting_tree): Initialize them.
16154 (lookup_field_for_decl): Use field_map.
16155 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16156 (convert_local_omp_clauses): New.
16157 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16158 (walk_body): Split out of walk_function.
16159 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16160 (convert_nonlocal_reference): Handle omp statements.
16161 (convert_local_reference): Likewise.
16162 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16163 (unnest_nesting_tree): New.
16164 (lower_nested_functions): Call it.
16165 (insert_field_into_struct): Make extern.
16166 (struct walk_stmt_info): Move to tree-gimple.h.
16167 (walk_stmts): Make extern.
16168 * omp-builtins.def: New file.
16169 * tree-iterator.c (expr_only): Clarify comment.
16170 * c-common.h (pushdecl_top_level, pushdecl,
16171 build_modify_expr, build_indirect_ref,
16172 c_finish_omp_master, c_finish_omp_critical,
16173 c_finish_omp_ordered, c_finish_omp_barrier,
16174 c_finish_omp_atomic, c_finish_omp_flush,
16175 c_finish_omp_for, c_split_parallel_clauses,
16176 omp_clause_default_kind, c_omp_sharing_predetermined,
16177 c_omp_remap_decl): Declare.
16178 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16179 (OBJS-common): Add omp-low.o.
16180 (c-omp.o, omp-low.o): Add.
16181 (gimplify.o): Add dependency on $(OPTABS_H).
16182 (GTFILES): Add omp-low.c.
16183 (gt-stringpool.h): Add.
16184 * tree-cfg.c (set_bb_for_stmt): Do not update the
16185 block-to-labels map if we are currently expanding to RTL.
16186 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16188 Handle IDENTIFIER_NODE.
16189 (tree_verify_flow_info): Do not ICE when emitting error
16190 messages about invalid labels.
16191 (dump_function_to_file): Reset CFUN before emitting the body
16193 (debug_function): New.
16194 * passes.c (init_optimization_passes): Schedule
16196 * langhooks-def.h (lhd_omp_predetermined_sharing,
16197 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16199 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16200 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16201 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16202 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16203 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16204 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16205 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16206 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16207 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16208 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16209 (LANG_HOOK_DECLS): Use them.
16211 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16212 Richard Henderson <rth@redhat.com>
16213 Jakub Jelinek <jakub@redhat.com>
16214 Diego Novillo <dnovillo@redhat.com>
16216 * c-parser.c (pragma_omp_clause): Define.
16217 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16218 (c_parser_compound_statement): Likewise.
16219 (c_parser_statement): Likewise.
16220 (c_parser_pragma): Handle omp pragmas.
16221 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16222 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16223 (c_parser_omp_clause_name, check_no_duplicate_clause,
16224 c_parser_omp_variable_list,
16225 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16226 c_parser_omp_clause_copyprivate,
16227 c_parser_omp_clause_default,
16228 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16229 c_parser_omp_clause_lastprivate,
16230 c_parser_omp_clause_nowait,
16231 c_parser_omp_clause_num_threads,
16232 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16233 c_parser_omp_clause_reduction,
16234 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16235 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16236 c_parser_omp_atomic, c_parser_omp_barrier,
16237 c_parser_omp_critical, c_parser_omp_flush,
16238 c_parser_omp_for_loop, c_parser_omp_for,
16239 c_parser_omp_master, c_parser_omp_ordered,
16240 c_parser_omp_sections_scope, c_parser_omp_sections,
16241 c_parser_omp_parallel, c_parser_omp_single,
16242 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16243 * c-pragma.c (init_pragma): Do omp pragma registration here.
16244 * c.opt (fopenmp): New flag.
16246 2006-01-18 Eric Christopher <echristo@apple.com>
16248 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16249 * config/darwin.h (GOMP_SELF_SPECS): Define.
16251 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16253 * rtl.h: Remove the prototype for reg_alloc.
16255 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16258 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16259 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16260 sjlj and dwarf2 exception handling.
16261 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16262 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16263 * pa/pa.c (function_value): Treat complex and vector types as
16265 (function_arg): Likewise. Only pass scalar floats in the floating
16266 point argument registers.
16267 * pa/t-slibgcc-dwarf-ver: New file.
16268 * pa/t-slibgcc-sjlj-ver: New file.
16269 * pa/t-slibgcc-elf-ver: Delete file.
16271 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16273 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16274 unlikely_test_section_p test.
16276 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16278 * mode-switching.c (optimize_mode_switching): Make it static.
16279 * basic-block.h: Remove the prototype for
16280 optimize_mode_switching.
16282 * modulo-sched.c (sms_schedule): Make it static.
16283 * rtl.h: Remove the prototype for sms_schedule.
16285 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16286 * rtl.h: Remove the prototype for gcse_after_reload_main.
16288 * reg-stack.c (reg_to_stack): Make it static.
16289 * rtl.h: Remove the prototype for reg_to_stack.
16291 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16293 * rtl.h: Remove the prototypes for regrename_optimize and
16294 copyprop_hardreg_forward.
16296 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16298 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16299 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16300 Test against the appropriate null constant for the mode.
16301 If 'fixup_overlap' is true, swap the operands if they overlap.
16302 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16303 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16304 alpha_split_tmode_pair and adjust for above change.
16305 * config/alpha/alpha.md (movtf_internal): Adjust call to
16306 alpha_split_tfmode_pair and rely on it to swap the operands.
16307 (movti_internal): New insn and post-reload splitter.
16308 (movti): New expander.
16310 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16312 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16315 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16317 * rtlanal.c (global_reg_mentioned_p_1,
16318 global_reg_mentioned_p): Remove.
16319 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16321 * flow.c (initialize_uninitialized_subregs): Make it static.
16322 * rtl.h: Remove the prototype for
16323 initialize_uninitialized_subregs.
16325 * function.c (instantiate_virtual_regs): Make it static.
16326 * function.h: Remove the prototype for
16327 instantiate_virtual_regs.
16329 * regmove.c (regmove_optimize, combine_stack_adjustments):
16331 * rtl.h: Remove the prototypes for regmove_optimize and
16332 combine_stack_adjustments.
16334 2006-01-17 Roger Sayle <roger@eyesopen.com>
16336 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16337 (size_cost): Encode costs in bytes so that a reg-reg addition is
16338 equivalent to COSTS_N_INSNS(1).
16339 (override_options): Use the size_cost.branch_cost as the default
16340 ix86_branch_cost when optimizing for size.
16342 2006-01-18 Ben Elliston <bje@au.ibm.com>
16344 * Makefile.in (D32PBIT_FUNCS): New.
16345 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16346 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16347 D64PBIT_FUNCS and D128PBIT_FUNCS.
16348 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16349 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16351 (decnumber_dep): Define.
16352 * doc/libgcc.texi (Decimal float library routines): New node.
16353 * config/dfp-bit.h, config/dfp-bit.c: New files.
16355 2006-01-18 Ben Elliston <bje@au.ibm.com>
16357 * expr.c (emit_move_change_mode): Always adjust addresses, not
16358 just during reload. Copy replacements only during reload.
16359 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16360 emit_move_via_integer.
16362 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16364 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16365 instead of $(srcdir) and ${srcdir}.
16367 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16370 PR middle-end/11135
16371 * arm.h (struct machine_function): Add pic_reg.
16372 * arm.c (arm_pic_register): Make unsigned.
16373 (arm_override_options): Only set arm_pic_register if
16374 TARGET_SINGLE_PIC_BASE.
16375 (use_return_insn): Only test for a pic register if it is fixed.
16376 (arm_compute_save_reg0_reg12_mask): Likewise.
16377 (thumb_compute_save_reg_mask): Likewise.
16378 (legitimate_pic_operand): Factor out some known invariants.
16379 (legitimize_pic_address): If we don't have a fixed pic register,
16380 then set up a pseudo in the function entry sequence. Handle the
16381 pic base being in a pseudo.
16382 (arm_load_pic_register): Handle the pic register being in a pseudo.
16383 (arm_expand_prologue): Only set up the pic register if it is fixed.
16384 (thumb_expand_prologue): Likewise.
16385 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16386 (pic_load_addr_based_insn): Likewise.
16387 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16390 2006-01-18 Ben Elliston <bje@au.ibm.com>
16392 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16393 decimal float modes for all floating point registers.
16395 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16396 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16398 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16401 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16402 even when the pointer is not NULL.
16404 2006-01-16 Ian Lance Taylor <ian@airs.com>
16406 * common.opt (ftoplevel-reorder): New option.
16407 * cgraph.c (cgraph_asm_nodes): New global variable.
16408 (cgraph_asm_last_node): New static variable.
16409 (cgraph_order): New global variable.
16410 (cgraph_create_node): Set new order field.
16411 (cgraph_varpool_node): Likewise.
16412 (decide_is_variable_needed): Return true if not
16413 flag_toplevel_reorder.
16414 (cgraph_add_asm_node): New function.
16415 * cgraph.h (struct cgraph_node): Add order field.
16416 (struct cgraph_varpool_node): Add order field.
16417 (struct cgraph_asm_node): Define.
16418 (cgraph_asm_nodes, cgraph_order): Declare.
16419 (cgraph_add_asm_node): Declare.
16420 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16422 (cgraph_varpool_assemble_pending_decls): Call it.
16423 (cgraph_output_pending_asms): New static function.
16424 (cgraph_finalize_compilation_unit): Call it.
16425 (struct cgraph_order_sort): Define.
16426 (cgraph_output_in_order): New static function.
16427 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16428 !flag_toplevel_reorder case.
16429 * c-parser.c: Include "cgraph.h".
16430 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16432 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16433 than -fno-unit-at-a-time.
16434 * doc/invoke.texi (Option Summary): Mention
16435 -fno-toplevel-reorder.
16436 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16437 -funit-at-a-time documentation.
16439 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16440 Kazu Hirata <kazu@codesourcery.com>
16442 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16444 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16446 * Makefile.in (FUNCTION_H): New. Use it instead of
16447 function.h throughout the file.
16448 * function.h: Include tree.h.
16450 2006-01-17 Ben Elliston <bje@au.ibm.com>
16452 * recog.c: Separate some functions with whitespace.
16454 2006-01-16 Richard Henderson <rth@redhat.com>
16456 Merge from gomp branch:
16457 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16458 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16459 and rename from struct inline_data. Rename callee* to dst*;
16460 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16461 transform_new_cfg, transform_return_to_modify, and
16462 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16464 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16465 (copy_decl_for_dup): Remove.
16466 * tree-inline.c (struct inline_data): Move to header.
16467 (insert_decl_map): Export.
16468 (remap_decl): Update for member name changes. Use copy_decl hook.
16469 Allow for replacement to be a non-decl. Remove dead code.
16470 (remap_type_1): Check for existing mapping.
16471 (remap_type): Export.
16472 (remap_decls): Update for member name changes.
16473 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16474 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16475 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16476 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16477 (tree_function_versioning, build_duplicate_type): Likewise.
16478 (copy_body_r): Likewise. Export.
16479 (copy_decl_for_dup): Split into ...
16480 (copy_decl_for_dup_finish, copy_decl_to_var,
16481 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16482 (replace_ref_tree, inlining_p): Remove.
16484 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16486 * ifcvt.c (if_convert): Make it static.
16487 * rtl.h: Remove the prototype for if_convert.
16489 * local-alloc.c (local_alloc): Make it static.
16490 * rtl.h: Remove the prototype for local_alloc.
16492 * loop.c (loop_optimize): Make it static.
16493 * cfgloop.h: Remove the prototype for loop_optimize.
16496 2006-01-16 DJ Delorie <dj@redhat.com>
16498 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16501 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16503 * pa.md: Disparage copies between general and floating-point registers
16504 in 32-bit move patterns.
16506 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16509 * Makefile.in (check-%): Depend on site.exp instead of
16510 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16513 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16515 * global.c (global_alloc): Make it static.
16516 * rtl.h: Remove the prototype for global_alloc.
16518 2006-01-16 Richard Guenther <rguenther@suse.de>
16520 * tree-ssa-alias.c (struct used_part): Add write_only field.
16521 (get_or_create_used_part_for): Initialize it to true.
16522 (create_overlap_variables_for): Don't create structure variables
16523 for structures that only are written to.
16524 (find_used_portions): Handle MODIFY_EXPR to track whether a
16525 structure is only written to.
16527 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16529 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16531 * basic-block.h: Remove the prototype for
16532 partition_hot_cold_basic_blocks.
16534 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16536 * cppspec.c (lang_specific_spec_functions): Remove.
16537 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16538 * gcc.h (lang_specific_spec_functions): Remove.
16539 * gccspec.c (lang_specific_spec_functions): Remove.
16541 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16543 * combine.c (record_value_for_reg): Invalidate registers
16545 (record_dead_and_set_regs_1): Likewise, by passing them to
16546 record_value_for_reg.
16547 (record_dead_and_set_regs): Invalidate stores made by a
16548 call. We do not combine across a call, but we still
16549 relied on equivalences.
16551 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16553 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16554 vrp_int_const_binop returning non-constant nodes.
16556 2006-01-16 Paul Brook <paul@codesourcery.com>
16558 * config/m68k/m68k.c (output_move_const_into_data_reg):
16559 Output correct mnemonic for mvz and mvs.
16561 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16563 * rtl-factoring.c: Add sequence abstraction algorithm.
16564 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16565 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16567 (block_has_preserve_label): New function.
16568 * common.opt: Register new pass.
16569 * Makefile.in: Ditto.
16571 * timevar.def: Ditto.
16572 * tree-pass.h: Ditto.
16573 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16574 * rtl.h (make_jump_insn_raw): Add forward decl.
16575 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16577 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16578 Roger Sayle <roger@eyesopen.com>
16580 * fold-const.c (fold_minmax): New static function.
16581 (fold_binary) <MIN_EXPR>: Call it.
16582 <MAX_EXPR>: Likewise.
16583 * stor-layout.c (place_field): Use DECL_SIZE consistently
16584 in the computation of the new record size.
16586 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16588 * cse.c (cse_condition_code_reg): Make it static.
16589 * rtl.h: Remove the prototype for cse_condition_code_reg.
16591 * combine.c (combine_instructions): Make it static.
16592 * rtl.h: Remove the prototype for combine_instructions.
16594 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16597 * tree.c (get_file_function_name_long): Concatenate the first global
16598 object name with a string derived from the input filename of the object
16601 2006-01-16 Ben Elliston <bje@au.ibm.com>
16603 * config/i386/winnt-stubs.c: Update FSF address.
16604 * config/xtensa/ieee754-df.S: Ditto.
16605 * config/xtensa/ieee754-sf.S: Ditto.
16607 2006-01-14 Ian Lance Taylor <ian@airs.com>
16609 * ifcvt.c (noce_init_if_info): New static function, broken out of
16610 noce_process_if_block.
16611 (noce_process_if_block): Call noce_init_if_info.
16612 (check_cond_move_block): New static function.
16613 (cond_move_process_if_block): New static function.
16614 (process_if_block): Call cond_move_process_if_block.
16616 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16618 * cselib.c (hash_table): Rename to cselib_hash_table.
16619 (cselib_clear_table, discard_useless_values,
16620 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16621 cselib_init, cselib_finish): Adjust uses of hash_table.
16623 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16625 PR tree-optimization/25485
16626 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16627 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16628 is known to be false and true, respectively.
16630 2006-01-14 Richard Guenther <rguenther@suse.de>
16632 PR tree-optimization/22548
16633 PR tree-optimization/22555
16634 PR tree-optimization/22501
16635 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16636 * params.def (salias-max-array-elements): New parameter.
16637 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16638 * doc/invoke.texi (salias-max-array-elements): Document.
16639 * tree-flow-inline.h (var_can_have_subvars): We also handle
16641 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16643 * tree-ssa-structalias.c (params.h): Include.
16644 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16645 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16646 (get_constraint_for): For ADDR_EXPR operating on something
16647 containing an ARRAY_REF, add all subvars to the solution.
16648 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16649 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16650 for creating MUST_DEFs.
16651 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16653 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16655 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16657 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16658 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16659 number_of_iterations_le): New functions.
16660 (number_of_iterations_special): Removed.
16661 (number_of_iterations_exit): Do not use number_of_iterations_special.
16662 * tree.c (unsigned_type_for): Always return integer type.
16664 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16665 Richard Guenther <rguenther@suse.de>
16667 PR rtl-optimization/24257
16668 * gcse.c (find_moveable_store): Only consider a store movable
16669 when the SET_SRC of the insn can be assigned to a register.
16671 2006-01-14 Ian Lance Taylor <ian@airs.com>
16673 * tree.c (tree_not_class_check_failed): New function.
16674 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16675 (tree_not_class_check_failed): Declare.
16677 2006-01-13 Ian Lance Taylor <ian@airs.com>
16679 * reload1.c (do_output_reload): Add assertion rejecting a
16682 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16684 * combine.c (struct reg_stat): Add new fields truncation_label and
16686 (record_value_for_reg): Reset truncated_to_mode.
16687 (record_truncated_value): New function.
16688 (check_promoted_subreg): Call it. Rename to check_conversions.
16689 (combine_instructions): Rename check_promoted_subreg to
16691 (reg_truncated_to_mode): New function.
16692 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16693 (gen_lowpart_or_truncate): New function.
16694 (force_to_mode): Use it instead of gen_lowpart.
16696 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16698 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16699 VAR is a tag, not its type tag.
16701 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16703 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16704 alternatives to match style of other entries.
16705 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16707 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16709 PR tree-optimization/25771
16710 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16713 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16716 * tree-inline.c (declare_return_variable): If the return variable
16717 was marked as a non gimple complex, set the return slot variable
16718 to be a non gimple comple variable.
16720 2006-01-13 Richard Guenther <rguenther@suse.de>
16722 * builtins.c (expand_builtin_sincos): New function.
16723 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16725 (expand_builtin): Expand sincos using expand_builtin_sincos.
16727 2006-01-12 DJ Delorie <dj@redhat.com>
16729 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16730 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16731 so that constant shifts can be split.
16732 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16733 (m32c_valid_pointer_mode): Make static.
16734 (shift_gen_func_for): New.
16735 (m32c_prepare_shift): Use it. Split large const shifts into
16737 * config/m32c/predicates.md (shiftcount_operand): Allow more
16739 (longshiftcount_operand): New.
16740 * doc/md.texi (Machine Constraints): Document In6.
16742 2006-01-13 Ben Elliston <bje@au.ibm.com>
16744 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16745 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16748 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16750 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16751 to try to avoid clobbering pieces of structures when we know
16752 something about the whole structure.
16753 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16755 2006-01-13 Ben Elliston <bje@au.ibm.com>
16757 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16758 return in memory, as this is no limitation is no longer present.
16760 2006-01-12 DJ Delorie <dj@redhat.com>
16762 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16763 mova with fb, and for fb+0 -> An.
16765 * config/m32c/mov.md (peephole2): Fix enabling logic.
16767 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16768 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16769 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16770 FINI_ARRAY_SECTION_ASM_OP): Define.
16772 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16774 (m32c_legitimize_reload_address): New logic to reload FB to An.
16775 (m32c_output_reg_push): Add newline.
16776 (m32c_output_reg_pop): Likewise.
16778 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16780 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16782 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16784 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16786 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16788 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16791 2006-01-11 Ben Elliston <bje@au.ibm.com>
16793 * rtlanal.c (find_reg_note): Assert insn is not null.
16795 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16797 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16800 2006-01-11 Jeff Law <law@redhat.com>
16802 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16804 (mark_threaded_blocks, register_jump_thread): New functions.
16805 (thread_through_all_blocks): Remove unwanted argument. No
16806 longer rely on e->aux to communicate thread target info.
16807 Call mark_threaded_blocks. Release the threaded_blocks
16808 bitmap and threaded_edges vector when complete.
16809 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16810 (threaded_blocks): Remove.
16811 (tree_ssa_dominator_optimize): Remove initialization and
16812 finalization of threaded_blocks. Simplify call to
16813 thread_through_all_blocks.
16814 (thread_across_edge): Call register_jump_thread rather than
16815 storing thread information into e->aux.
16816 (free_all_edge_infos): Simplify now that e->aux is no longer
16817 used to communicate with thread_through_all_blocks.
16818 * tree-flow.h (thread_through_all_blocks): Update prototype.
16819 (register_jump_thread): Prototype.
16821 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16823 * df-core.c (df_compact_blocks, df_bb_replace): Use
16824 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16826 2006-01-11 Richard Guenther <rguenther@suse.de>
16828 PR tree-optimization/25734
16829 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16830 stop propagation after successful propagation to the LHS.
16832 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16834 * basic-block.h (control_flow_graph): Change the type of
16835 x_basic_block_info to VEC(basic_block,gc) *.
16836 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16838 (SET_BASIC_BLOCK): New.
16839 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16840 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16841 * cfgbuild.c (find_basic_blocks): Likewise.
16842 * cfglayout.c (fixup_reorder_chain): Likewise.
16843 * cfgrtl.c (create_basic_block_structure,
16844 rtl_create_basic_block): Likewise.
16845 * ifcvt.c (find_if_case_1): Likewise.
16846 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16849 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16851 * Makefile.in: Removed rotted odf.c entry.
16853 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16856 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16857 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16858 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16859 output pattern modifier, not %e.
16860 * config/cris/cris.c (cris_op_str): Update comment about pattern
16862 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16863 before falling through into...
16864 <case 'E'>: Redefined from old 'e' case.
16866 2006-01-11 Jan Hubicka <jh@suse.cz>
16869 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16871 2006-01-11 Jan Hubicka <jh@suse.cz>
16873 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16874 * i386.c (x86_decompose_lea): Kill.
16875 (ix86_rtx_costs): Kill.
16877 2006-01-11 Jan Hubicka <jh@suse.cz>
16879 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16880 * cgraph.h (cgraph_node): Add inline_decl.
16881 (cgraph_insert_node_to_hashtable): Declare.
16882 (save_inline_function_body): Declare.
16883 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16885 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16886 (cgraph_function_versioning): Update call of tree_function_versioning.
16887 (save_inline_function_body): New function.
16888 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16889 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16890 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16891 (cgraph_default_inline_p): Likewise.
16892 (cgraph_decide_inlining_incrementally): Likewise.
16893 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16894 (copy_bb): Kill saving; do updating of clones.
16895 (copy_cfg_body): Kill saving.
16896 (initialize_inlined-parameters): Likewise.
16897 (expand_call_inline): Likewise.
16899 (tree_function_versioning): New parameter "update_clones".
16900 (inlining_p): Kill saving.
16901 * tree-inline.h (tree_function_versioning): Update prototype.
16902 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16905 2006-01-11 Ian Lance Taylor <ian@airs.com>
16907 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16908 Allow undoing set of machine mode.
16909 (do_SUBST): Use enums instead of is_int.
16910 (do_SUBST_MODE): New function.
16911 (SUBST_MODE): New macro.
16912 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16913 reg and trying to replace reg_regno_rtx with a new register.
16914 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16915 (simplify_set): Use SUBST_MODE.
16916 (distribute_notes): Remove code that tried to update reg notes
16917 for regno_reg_rtx changes.
16919 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16921 PR tree-optimization/23109
16922 PR tree-optimization/23948
16923 PR tree-optimization/24123
16925 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16926 * tree-cfg.c (single_noncomplex_succ): New.
16927 * tree-flow.h (single_noncomplex_succ): Declare it.
16928 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16929 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16930 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16931 insert_bb, register_division_in, insert_reciprocals,
16932 replace_reciprocal, free_bb): New.
16933 (execute_cse_reciprocals_1): Rewritten.
16934 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16935 Do not commit any edge insertion. Always compute dominators and
16936 create the allocation pool.
16937 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16938 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16939 * targhooks.c (default_min_divistions_for_recip_mul): New.
16940 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16941 * passes.c (init_optimization_passes): Run recip after tree loop
16943 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16945 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16946 Kenneth Zadeck <zadeck@naturalbridge.com>
16948 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16949 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16950 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16951 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16952 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16953 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16954 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16955 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16956 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16957 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16958 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16959 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16960 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16961 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16962 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16963 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16964 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16965 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16966 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16967 DF_SCAN_POST_ALLOC): New macros.
16968 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16969 df_free_bb_function, df_local_compute_function, df_init_function,
16970 df_dataflow_function, df_confluence_function_0,
16971 df_confluence_function_n, df_transfer_function,
16972 df_finalizer_function, df_free_function, df_dump_problem_function,
16973 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16974 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16975 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16976 df_urec_bb_info, ) New types.
16977 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16979 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16980 df_analyze_simple_change_some_blocks,
16981 df_analyze_simple_change_one_block, df_compact_blocks,
16982 df_bb_replace, df_bb_regno_last_use_find,
16983 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16984 df_insn_regno_def_p, df_find_def, df_find_use,
16985 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16986 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16987 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16988 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16989 debug_df_chain, df_get_dependent_problem, df_chain_create,
16990 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16991 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16992 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16993 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16994 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16995 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16996 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16997 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16998 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16999 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17000 df_reorganize_refs, df_set_state, df_hard_reg_init,
17001 df_read_modify_subreg_p) New public functions.
17002 * df-core.c: The core dataflow solver and glue routines for rtl
17004 (df_init, df_add_problem, df_set_blocks, df_finish,
17005 df_hybrid_search_forward, df_hybrid_search_backward,
17006 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17007 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17008 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17009 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17010 df_reg_defined, df_find_use, df_reg_used, df_dump,
17011 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17012 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17013 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17014 debug_df_useno, reset_df_after_reload): New functions.
17015 * df-scan.c: The scanning fuctions, once in df.c, completely
17016 rewritten so that they now fully model the functionality of
17017 register usage at the backend.
17018 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17019 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17020 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17021 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17022 df_get_artificial_defs, df_get_artificial_uses,
17023 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17024 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17025 df_refs_delete, df_reorganize_refs, df_set_state,
17026 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17027 df_def_record_1, df_defs_record, df_uses_record,
17028 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17029 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17030 df_record_exit_block_uses, df_hard_reg_init): New functions.
17032 * df-problems.c: Seven concrete dataflow problems that use the
17033 scanning in df-scan.c and are solved by the engine in df-core.c.
17034 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17035 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17036 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17037 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17038 df_ru_free_bb_info, df_ru_alloc,
17039 df_ru_bb_local_compute_process_def,
17040 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17041 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17042 df_ru_transfer_function, df_ru_free, df_ru_dump,
17043 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17044 df_rd_free_bb_info, df_rd_alloc,
17045 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17046 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17047 df_rd_transfer_function, df_rd_free, df_rd_dump,
17048 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17049 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17050 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17051 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17052 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17053 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17054 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17055 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17056 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17057 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17058 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17059 df_urec_mark_reg_use_for_earlyclobber,
17060 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17061 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17062 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17063 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17064 df_chain_create_bb_process_use, df_chain_create_bb,
17065 df_chain_finalize, df_chain_free, df_chains_dump,
17066 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17067 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17068 df_reg_lifetime): New functions.
17069 * df.c: Deleted file.
17070 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17071 consistent with new df api.
17072 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17073 rest_of_handle_sms): Ditto.
17074 * web.c (unionfind_union, union_defs, entry_register, web_main):
17076 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17077 invariant_expr_equal_p, find_defs, check_dependencies,
17078 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17079 free_inv_motion_data, move_loop_invariants): Ditto.
17080 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17081 Update dependencies.
17082 (odf.c): Added defective entry that was deleted later in day.
17083 * sched-deps.c (sched_analyze_1): Ditto.
17085 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17087 * tree-ssa-operands.c (get_expr_operands): Record addressable
17088 variables directly. Do not call add_stmt_operands for CONST_DECLs
17090 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17091 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17093 2006-01-11 Ben Elliston <bje@au.ibm.com>
17095 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17096 function returns true in the positive case.
17098 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17101 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17102 for SI, DI, SF and DF modes. Add alternatives to copy between
17103 general and floating point registers to the 32-bit patterns.
17104 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17105 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17106 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17107 generating 64-bit code.
17108 * config/pa/pa.c (output_move_double): Handle copies between general
17109 and floating registers.
17111 2006-01-10 Stuart Hastings <stuart@apple.com>
17113 * config/i386/i386.md (set_got): Update.
17114 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17115 (builtin_setjmp_receiver): Mach-O support.
17116 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17117 (GOT_SYMBOL_NAME): Define.
17118 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17119 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17120 * config/i386/i386.c (override_options): Revise for Darwin.
17121 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17122 support. (darwin_x86_file_end): New. (output_set_got): Add label
17123 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17124 * config/i386/i386-protos.h (output_set_got): Likewise.
17125 * config/darwin.c (machopic_legitimize_pic_address): Update
17128 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17130 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17131 when MODE isn't BLKmode.
17133 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17135 PR rtl-optimization/25367
17136 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17138 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17141 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17142 for a negative bound.
17144 2006-01-10 Richard Guenther <rguenther@suse.de>
17146 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17147 Never override with anything constraint.
17149 2006-01-10 Jan Beulich <jbeulich@novell.com>
17151 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17152 256 bits when optimize_size.
17154 2006-01-10 Jan Beulich <jbeulich@novell.com>
17156 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17158 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17159 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17162 2006-01-10 Ben Elliston <bje@au.ibm.com>
17164 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17166 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17167 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17168 (USE_FP_FOR_ARG): Reject decimal float modes.
17169 (function_arg_advance): Likewise.
17170 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17171 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17172 point types in AltiVec vectors.
17173 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17174 (rs6000_libcall_value): Likewise.
17176 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17178 * config/xtensa/ieee754-df.S: New file.
17179 * config/xtensa/ieee754-sf.S: New file.
17180 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17181 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17182 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17184 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17186 * config/sh/predicates.md (binary_float_operator,
17187 binary_logical_operator, commutative_float_operator,
17188 equality_comparison_operator, greater_comparison_operator,
17189 less_comparison_operator, logical_operator,
17190 noncommutative_float_operator, shift_operator,
17191 symbol_ref_operand, unary_float_operator): Remove redundant
17194 2006-01-09 Jeff Law <law@redhat.com>
17196 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17197 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17198 now unused arguments. Callers updated.
17199 (eliminate_redundant_computations): Remove now unused arguments,
17201 (local_fold): Remove, no longer used.
17202 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17204 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17205 (simplify_cond): New function.
17206 (forward_propagate_into_cond): Call simplify_cond.
17208 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17210 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17211 (*vec_extractv2di_1_sse): New.
17213 2006-01-09 Ben Elliston <bje@au.ibm.com>
17215 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17217 2006-01-08 Richard Guenther <rguenther@suse.de>
17219 * tree-ssa-structalias.c (get_constraint_for): Remove
17220 anyoffset argument.
17221 (get_constraint_for_component_ref): Likewise.
17222 (do_deref): Likewise.
17223 (get_constraint_for): Likewise.
17224 (do_structure_copy): Likewise.
17225 (handle_ptr_arith): Likewise.
17226 (find_func_aliases): Likewise. Remove unused need_anyoffset
17229 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17230 Kaz Kojima <kkojima@gcc.gnu.org>
17232 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17233 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17234 (EXTRA_CONSTRAINT_C16): Remove.
17235 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17236 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17237 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17238 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17239 constants of SHmedia. Handle nested constant expressions of
17241 (andcosts): Fix the costs for SHmedia constants.
17242 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17243 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17244 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17245 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17246 (movv4hi_i, movv2si_i): Likewise.
17247 (movsi_const): Adjust the second operand of ior so to match with
17248 the Csu constraint.
17249 (movdi_const, movdi_const_32bit): Likewise.
17250 (movdi_const_16bit+1): Don't sign-extend LOW.
17251 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17253 (*double_shori): Fix the split condition. Use GEN_INT instead
17254 of get_int_mode calls. Mask lower 16-bit of the argument of
17256 (sym2GOTPLT): Remove.
17257 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17259 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17260 instead of EXTRA_CONSTRAINT_C16.
17262 2006-01-07 Ian Lance Taylor <ian@airs.com>
17263 David Edelsohn <edelsohn@gnu.org>
17265 PR rtl-optimization/25662
17266 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17267 for constant operands instead of simplify_gen_binary.
17268 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17269 after trying simplify_binary_operation
17271 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17273 * tree.c (iterative_hash_expr): Hash decls based on UID.
17275 2006-01-06 Eric Christopher <echristo@apple.com>
17277 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17278 (TARGET_UNWIND_EMIT): Fix spelling.
17279 * target.h (gcc_target): Add except_table_label.
17280 * except.c (output_function_exception_table): Use.
17281 * varasm.c (default_emit_except_table_label): New.
17282 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17284 (asm_out): Add here.
17285 * output.h (default_emit_except_table_label): Prototype.
17286 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17287 * config/darwin.c (darwin_emit_except_table_label): Define.
17288 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17290 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17292 PR tree-optimization/18527
17293 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17294 number_of_iterations_special, number_of_iterations_exit):
17295 Move base and step of an iv to a single structure. Add
17296 no_overflow flag, and use it in # of iterations analysis.
17297 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17298 folded_casts argument.
17299 (simple_iv): Pass base and step in a structure. Set no_overflow
17301 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17302 Evaluate expensiveness of computing # of iterations instead of
17303 the final expression.
17304 * tree-scalar-evolution.h (affine_iv): New structure.
17305 (simple_iv): Declaration changed.
17306 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17307 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17308 find_givs_in_stmt): Changed due to simple_iv change.
17310 2006-01-06 Jeff Law <law@redhat.com>
17313 * tree-cfg.c (bsi_replace): Rename final argument from
17314 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17315 change (stmt -> orig_stmt).
17316 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17317 (bsi_remove): Add new argument. Remove EH information
17319 (verify_eh_throw_table_statements): New function.
17320 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17322 * tree-optimize.c (execute_free_cfg_annotations): Verify
17323 the EH throw statement table after removing annotations.
17324 * except.h (verify_eh_throw_table_statements): Prototype.
17325 * tree-flow.h (bsi_remove): Update prototype.
17326 * tree-vrp.c (remove_range_assertions): Add new argument to
17328 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17329 * tree-complex.c (expand_complex_div_wide): Likewise.
17330 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17331 * tree-tailcall.c (eliminate_tailcall): Likewise.
17332 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17333 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17334 * tree-nrv.c (tree_nrv): Likewise.
17335 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17336 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17337 (combine_blocks): Likewise.
17338 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17339 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17340 (cleanup_control_flow): Likewise.
17341 (remove_forwarder_block): Likewise.
17342 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17343 * tree-sra.c (sra_replace): Likewise.
17344 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17345 (forward_propagate_single_use_vars): Likewise.
17346 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17347 * tree-inline.c (expand_call_inline): Likewise.
17348 * tree-vect-transform.c (vect_transform_loop): Likewise.
17349 * tree-outof-ssa.c (rewrite_trees): Likewise.
17350 * tree-cfg.c (make_goto_expr_edges): Likewise.
17351 (cleanup_dead_labels): Likewise.
17352 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17353 (bsi_move_before, bsi_move_after): Likewise.
17354 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17355 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17357 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17360 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17362 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17363 on non gimple variables. Also add checks at the top for decls and
17365 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17367 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17368 and IMAGPART_EXPR for creating MUST_DEFs.
17369 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17370 and NAME_MEMORY_TAG separately from the DECLs.
17372 2006-01-06 Richard Guenther <rguenther@suse.de>
17374 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17375 annotation, if necessary.
17376 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17377 redundant calls to update_stmt.
17378 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17381 2006-01-05 Richard Henderson <rth@redhat.com>
17383 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17385 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17387 * c-typeck.c: Update copyright date.
17389 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17391 * c-typeck.c (build_c_cast): Always warn when casting
17392 from a pointer to an integer of different size, even if
17393 the node was constant.
17395 2006-01-05 Richard Guenther <rguenther@suse.de>
17397 PR tree-optimization/22555
17398 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17399 if one structure field is an array.
17400 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17401 operands even if we found a subvar, but ignore VOPs in this
17403 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17405 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17407 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17409 PR middle-end/24998
17410 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17412 2006-01-05 Richard Guenther <rguenther@suse.de>
17413 Diego Novillo <dnovillo@redhat.com>
17415 * tree-pass.h (TODO_remove_unused_locals): Define.
17416 * gimple-low.c (expand_var_p, remove_useless_vars,
17417 pass_remove_useless_vars): Remove. Update all users.
17418 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17419 (remove_unused_locals): New function.
17420 * tree-flow.h (remove_unused_locals): Declare.
17421 * passes.c (execute_todo): Call remove_unused_locals if
17422 TODO_remove_unused_locals is set.
17423 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17424 * tree-ssa-dce.c (pass_dce): Likewise.
17425 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17427 2006-01-05 Richard Guenther <rguenther@suse.de>
17429 * tree-flow.h (struct fieldoff): Decompose field to
17430 type, size and decl.
17431 * tree-ssa-alias.c (create_sft): Take type as parameter.
17432 (create_overlap_variables_for): Store type, size and decl
17433 in the fieldoff structure.
17434 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17435 of struct fieldoff.
17436 (push_fields_onto_fieldstack): Likewise.
17437 (create_variable_info_for): Likewise. Use offset for the
17438 SFT name if the decl is not available.
17440 2006-01-04 Paul Brook <paul@codesourcery.com>
17442 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17444 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17446 * lambda-code.c (can_put_in_inner_loop): Relax
17448 (can_put_after_inner_loop): New function.
17449 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17450 (perfect_nestify): Change to make copies and modify uses.
17452 2006-01-04 Richard Henderson <rth@redhat.com>
17454 Merge from gomp branch:
17455 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17456 via integer constant.
17457 (pragma_lex): Remove.
17458 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17459 rather than parsing it.
17460 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17461 handle_pragma_extern_prefix): Add %< %> quotes.
17462 (registered_pragmas): New.
17463 (c_register_pragma_1): New.
17464 (c_register_pragma): Use it.
17465 (c_register_pragma_with_expansion): Likewise.
17466 (c_invoke_pragma_handler): New.
17467 (init_pragma): Use cpp_register_deferred_pragma directly for
17469 * c-pragma.h (enum pragma_kind): New.
17470 (pragma_handler): New.
17471 (c_invoke_pragma_handler): Declare.
17472 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17474 * c-common.h (c_common_pch_pragma): Update decl.
17475 * Makefile.in (c-parser.o): Update dependencies.
17476 (GTFILES): Add c-pragma.h.
17477 * c-parser.c (struct c_token): Add pragma_kind.
17478 (struct c_parser): Add in_pragma.
17479 (c_lex_one_token): Always initialize keyword and pragma_kind.
17480 Extract data for CPP_PRAGMA.
17481 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17482 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17483 Don't allow CPP_PRAGMA_EOL if in_pragma.
17484 (c_parser_consume_pragma): New.
17485 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17486 (c_parser_skip_to_end_of_parameter): Likewise.
17487 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17488 (c_parser_skip_to_pragma_eol): New.
17489 (c_parser_external_declaration): Handle CPP_PRAGMA.
17490 (c_parser_compound_statement_nostart): Likewise.
17491 (c_parser_statement_after_labels): Likewise.
17492 (c_parser_pragma): New.
17493 (pragma_lex): Likewise.
17494 (c_parser_pragma_pch_preprocess): New.
17495 (c_parser_new): Merge into ...
17496 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17498 2006-01-04 Jeff Law <law@redhat.com>
17501 * tree-cfg.c (bsi_replace): Remove the original statement
17502 from the EH throw statement table.
17504 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17506 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17507 make the prototype extern "C" and add throw ().
17510 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17511 and pos non-negative and pos + len <= 32.
17512 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17513 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17514 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17517 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17518 as well as sizes not multiple of component size.
17521 * function.c (instantiate_expr): New function.
17522 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17523 walk its DECL_VALUE_EXPR with instantiate_expr.
17525 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17526 DW_OP_deref{,_size} if address isn't going to be added.
17528 2006-01-04 Ben Elliston <bje@au.ibm.com>
17530 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17531 * config/fp-bit.c: Likewise.
17533 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17535 * dominance.c: Add comment about why we use DFS numbering
17538 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17539 Richard Henderson <rth@redhat.com>
17541 Merge from gomp-branch:
17542 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17543 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17545 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17547 PR rtl-optimization/25578
17548 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17549 pass a parameter to simplify_shift_const if changing ASHIFTRT
17552 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17554 * builtins.c (get_builtin_sync_mem): New function.
17555 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17556 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17557 Call get_builtin_sync_mem to generate mem rtx.
17559 2006-01-03 Richard Guenther <rguenther@suse.de>
17562 * stmt.c (add_case_node): Make sure to clear overflow flags
17565 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17567 Merge from gomp-branch.
17568 * config/sparc/sync.md: New file.
17569 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17570 UNSPECV_LDSTUB): New constants.
17571 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17572 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17573 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17576 2006-01-03 Roger Sayle <roger@eyesopen.com>
17578 * combine.c (reg_subword_p): New predicate to test whether the
17579 destination of a set refers to a subword/piece of a register.
17580 (try_combine): Generalize the code to merge the setting of a
17581 pseudo to a constant followed by a set of a subword of that
17582 register to a constant.
17584 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17586 * basic-block.h (control_flow_graph): Change the type of
17587 x_label_to_block_map to VEC(basic_block,gc) *.
17588 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17589 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17591 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17592 VEC(basic_block,heap) *.
17593 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17594 ssa_prop_fini): Adjust the uses of cfg_blocks.
17596 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17598 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17600 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17601 hashing trees instead of a pointer hash.
17602 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17603 compare for MEM_EXPR.
17605 PR rtl-optimization/25130
17606 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17607 when comparing MEMs for GCSE
17609 2006-01-03 Ben Elliston <bje@au.ibm.com>
17611 * targhooks.h (default_decimal_float_supported_p): Declare.
17612 * targhooks.c (default_decimal_float_supported_p): Define.
17613 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17614 `default_decimal_float_supported_p'.
17615 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17617 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17619 * combine.c (apply_distributive_law <SUBREG>): Check
17620 TRULY_NOOP_TRUNCATION.
17622 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17624 * dwarf2out.c (have_switched_text_section): Delete.
17625 (have_multiple_function_sections): New.
17626 (have_location_lists): Make 'bool'.
17627 (add_AT_loc_list): Use 'true' not '1'.
17628 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17629 (output_loc_list): Use have_multiple_function_sections.
17630 (output_ranges): Likewise.
17631 (dwarf2out_begin_function): Set have_multiple_function_sections if
17633 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17634 Check function_section rather than DECL_SECTION_NAME.
17635 (dwarf2out_finish): Use have_multiple_function_sections.
17636 Don't clear have_location_lists.
17638 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17639 Jan Hubicka <jh@suse.cz>
17641 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17642 case of conditional jump jumping to the next instruction.
17643 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17644 cases of conditional jump jumping to the next instruction.
17646 2006-01-02 Jan Hubicka <jh@suse.cz>
17648 * i386.c (*_cost): Add COSTS_N_INSNS.
17649 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17651 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17654 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17656 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17658 * config/arm/arm.c (all_fpus): Fix comment typo.
17659 * config/darwin.c: Likewise.
17660 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17661 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17662 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17664 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17666 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17667 (rs6000_split_compare_and_swapqhi): New.
17668 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17669 (sync_compare_and_swapqhi_internal): New.
17670 * config/rs6000/rs6000-protos.h: Declare.