1 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3 * gcc.c (process_command): Treat -b as normal switch if its argument
6 2006-11-07 David Ung <davidu@mips.com>
8 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
11 2006-11-06 Eric Christopher <echristo@apple.com>
13 * config.gcc: Add x86_64-darwin host support.
15 * config/i386/darwin64.h: New file.
16 * config/i386/t-darwin64: Ditto.
18 2006-11-06 Janis Johnson <janis187@us.ibm.com>
20 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
21 and output-exists-not.
23 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
26 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
27 checking for overflow.
29 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
31 * configure.ac: Fixed typo in case statement: :: changed to ;;
33 2006-11-06 Bob Wilson <bob.wilson@acm.org>
35 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
36 count_leading_zeros, and count_trailing_zeros.
37 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
38 (TARGET_FOLD_BUILTIN): Define.
39 (TARGET_EXPAND_BUILTIN): Define.
40 (xtensa_init_builtins): New.
41 (xtensa_fold_builtin): New.
42 (xtensa_expand_builtin): New.
43 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
44 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
45 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
46 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
47 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
48 (any_extend): New code macro.
49 (u, su): New code attributes.
50 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
51 (nsau): Remove; replaced by clzsi2.
53 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
54 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
55 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
56 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
57 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
59 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
61 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
63 * config/arm/t-strongarm-elf: Likewise.
64 * config/arm/t-pe: Likewise.
65 * config/arm/t-arm-elf: Likewise.
66 * config/arm/t-xscale-elf: Likewise.
67 * config/arm/t-arm-coff: Likewise.
68 * config/arm/t-xscale-coff: Likewise.
69 * config/arm/t-wince-pe: Likewise.
71 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
73 * config/sh/lib1funcs-4-300.asm: Guard entire file with
76 2006-11-05 Jakub Jelinek <jakub@redhat.com>
79 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
82 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
85 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
86 as a valid 80387 constant.
87 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
88 * config/i386/i386.md (unnamed splitter): Split the load of
89 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
92 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
94 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
95 from the soft-frame, argument and virtual registers.
97 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
99 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
100 patterns for standard 80387 constants.
102 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
103 Steven Bosscher <steven@gcc.gnu.org>
105 * fwprop.c: New file.
106 * Makefile.in: Add fwprop.o.
107 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
108 * passes.c (init_optimization_passes): Schedule forward propagation.
109 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
111 * timevar.def (TV_FWPROP): New.
112 * common.opt (-fforward-propagate): New.
113 * opts.c (decode_options): Enable forward propagation at -O2.
114 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
115 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
116 canon_for_address, table_size): Remove.
117 (new_basic_block, insert, remove_from_table): Remove references to
119 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
120 simplification loop more straightforward by not calling fold_rtx
122 (equiv_constant): Move here a small part of fold_rtx_subreg,
123 do not call fold_rtx. Call avoid_constant_pool_reference
125 * recog.h (canonicalize_change_group): New.
127 * doc/invoke.texi (Optimization Options): Document fwprop.
128 * doc/passes.texi (RTL passes): Document fwprop.
130 2006-11-03 Geoffrey Keating <geoffk@apple.com>
132 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
133 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
134 (grokdeclarator): Likewise.
136 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
138 * tree-dump.c (dump_enable_all): Rename local variable
139 ir_type to avoid name conflicts.
140 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
141 instead of using ir_type().
142 * profile.c (tree_register_profile_hooks): Likewise.
143 * value-prof.c (tree_register_value_prof_hooks): Likewise.
144 * basic-block.h (struct edge_def): Likewise.
145 * config/arm/arm.c (legitimize_pic_address): Likewise.
146 * coretypes.h (ir_type): New enum of all intermediate languages
148 * cfghooks.c (ir_type): Rename to...
149 (current_ir_type): ...this. Distinguish between cfgrtl and
150 cfglayout mode when the current IR is RTL. Return enum ir_type.
151 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
153 2006-11-03 Paul Brook <paul@codesourcery.com>
155 * config/arm/arm.c (arm_file_start): New function.
156 (TARGET_ASM_FILE_START): Define.
157 (arm_default_cpu): New variable.
158 (arm_override_options): Set arm_default_cpu.
160 2006-11-03 David Ung <davidu@mips.com>
162 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
163 PROCESSOR_24KC and PROCESSOR_24KF.
164 * config/mips/mips.c (mips_cpu_info_table): Add processor names
165 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
166 (mips_rtx_cost_data): Add costs for the 24kc.
167 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
168 * config/mips/24k.md: Remove references to 24k and replace with
169 uses of 24kc/24kf in the appropriate reservations.
170 * doc/invoke.texi (MIPS Options): Updated.
172 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
174 * config/sh/crt1.asm: Fix #ifdef indent.
176 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
177 Merged from STMicroelectronics sources:
178 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
179 * config/sh/crt1.asm (vbr_600): Add missing #if.
180 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
181 * sh.opt (mfused-madd): New option.
182 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
183 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
184 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
185 Remove pointless handler at VBR+0.
186 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
187 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
188 fr7. Make sure the timer handler is called with the correct FPU
189 precision setting, according to the ABI.
190 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
191 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
192 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
193 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
194 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
195 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
196 zero as second operand.
197 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
198 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
199 Fixed some bugs related to negative values, in particular -0
200 and overflow at -0x80000000.
201 * config/sh/divcost-analysis: Added sh4-300 figures.
202 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
203 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
204 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
205 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
206 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
207 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
209 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
211 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
212 SH4-300 scheduling description & fixes to SH4-[12]00 description:
213 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
214 mac_mem, mem_mac, dfp_mul, fp_cmp.
215 (insn_class, dfp_comp, any_fp_comp): Update.
216 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
217 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
218 (muldf3_i): Likewise.
219 (movsi_i): Split rI08 alternative into two separate alternatives.
221 (movsi_ie, movsi_i_lowpart): Likewise.
222 (movqi_i): Split ri alternative into two separate alternatives.
224 * sh1.md (sh1_load_store, sh1_fp): Update.
225 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
226 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
227 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
228 (sh4a_fp_double_arith): Likewise.
229 * sh4-300.md: New file.
230 * sh.c (sh_handle_option): Handle m4-300* options.
231 (sh_adjust_cost): Fix latency of auto-increments.
232 Handle SH4-300 differently than other SH4s. Check for new insn types.
233 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
234 been set by an option.
235 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
236 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
237 (mbranch-cost=): Likewise.
238 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
240 * sh.md (mulsf3): Remove special expansion code.
241 (mulsf3_ie): Now a define_insn_and_split.
242 (macsf3): Allow for TARGET_SH4.
244 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
245 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
246 (expand_cbranchdi4): Likewise.
247 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
248 CONST_DOUBLE if the outer code is COMPARE.
249 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
250 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
251 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
252 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
253 Remove redundant fp_{zero,one}_operand checks.
254 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
255 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
256 (expand_cbranchdi4): Likewise.
257 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
258 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
260 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
262 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
265 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
267 * doc/invoke.texi: Fix mfp-trap-mode typo.
269 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
271 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
272 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
273 file_end_indicate_exec_stack.
274 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
276 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
277 for a non-executable stack.
278 * crti.asm: Likewise.
279 * crtn.asm: Likewise.
280 * libunwind.S: Likewise.
282 2006-11-02 Ben Elliston <bje@au.ibm.com>
284 * tree-ssa.c (warn_uninit): Use expand_location variables for
285 locus and declaration locus.
287 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
290 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
291 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
292 cmp{eq,gt,gtu}{si,di}_media.
293 (*cmpne0si_media): Remove.
294 (*movsicc_umin): Adjust gen_cmp*_media call.
295 (unordered): Change the mode of unordered and operands[1] to
297 (seq): Adjust gen_cmp*_media calls. Make the mode of
298 a temporary result of compare SImode if needed. If the mode
299 of operands[0] is DImode, extend the temporary result to DImode.
300 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
301 (sunorderd): Change the mode of match_operand and unorderd to
303 (cmpeq{sf,df}_media): Remove.
304 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
305 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
306 and compare operation to SImode.
308 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
310 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
312 (sparc64-sun-solaris2*): Likewise.
314 2006-11-02 Paul Brook <paul@codesourcery.com>
316 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
317 from priority argument. Use different section for non-default
319 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
321 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
324 * except.c (switch_to_exception_section): Do not cache the section
325 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
326 and flag_function_sections is set.
328 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * builtins.c (do_mpfr_sincos): New.
332 (fold_builtin_1): Use it to fold builtin sincos.
334 2006-11-01 Roger Sayle <roger@eyesopen.com>
336 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
337 it into -D_REENTRANT.
339 2006-11-01 Roger Sayle <roger@eyesopen.com>
341 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
342 whether the assembler supports taking the difference of symbols in
343 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
344 * configure: Regenerate.
345 * config.in: Regenerate.
346 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
347 the assembler doesn't support taking the difference of symbols in
348 different sections, i.e. we're using the native solaris assembler.
350 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
351 Peter Bergner <bergner@vnet.ibm.com>
353 * doc/invoke.texi: Add cpu_type power6x
354 (RS/6000 and PowerPC Options): Add -mmfpgpr.
355 * config.gcc: Add cpu_type power6x.
356 * configure.ac: Add test for mf{t,f}gpr instructions.
357 (HAVE_AS_MFPGPR): New.
358 * config.in: Regenerate.
359 * configure: Regenerate.
360 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
361 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
362 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
363 and mftgpr attributes.
364 (define_attr "cpu"): Add power6.
365 Change instruction sequences to use new attributes.
366 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
367 (fix_truncdfsi2_mfpgpr): New.
368 (floatsidf_ppc64_mfpgpr): New.
369 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
370 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
371 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
372 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
373 (fix_truncdfsi2): Use gpc_reg_operand constraint.
374 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
375 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
376 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
377 cntlz,exts and var_delayed_compare.
378 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
379 _ARCH_PWR6X, if features enabled.
380 * config/rs6000/rs6000.opt (mmfpgpr): New.
381 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
382 (cached_can_issue_more): New variable.
383 (processor_costs): Add power6_cost.
384 (rs6000_sched_init): New function.
385 (is_dispatch_slot_restricted): Deleted.
386 (set_to_load_agen): New function.
387 (is_load_insn,is_store_insn): New functions.
388 (adjacent_mem_locations): New function.
389 (insn_must_be_first_in_group): New function.
390 (insn_must_be_last_in_group): New function.
391 (rs6000_sched_reorder): New function.
392 (rs6000_sched_reorder2): New function.
393 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
394 TARGET_SCHED_REORDER2): Define.
395 (processor_target_table): Use PROCESSOR_POWER6 for power6.
396 Add power6x. Add MASK_MFPGPR for power6x.
397 (POWERPC_MASKS): Add MASK_MFPGPR.
398 (rs6000_override_options): Set rs6000_always_hint to false
399 for power6. Set rs6000_align_branch_targets. Replace
400 rs6000_sched_groups check with rs6000_align_branch_targets.
401 Use PROCESSOR_POWER6.
402 (last_scheduled_insn): New variable.
403 (load_store_pendulum): New variable.
404 (rs6000_variable_issue): Set last_scheduled_insn and
405 cached_can_issue_more.
406 (rs6000_adjust_cost): Add power6 cost adjustments.
407 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
408 with insn_must_be_first_in_group. Add power6 priority adjustments.
409 (rs6000_issue_rate): Add CPU_POWER6.
410 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
411 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
412 (TARGET_MFPGPR): New.
413 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
414 (ASM_CPU_SPEC): Add power6x.
415 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
417 * config/rs6000/power6.md: New file.
419 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
421 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
422 HOST_WIDE_INT_PRINT to print high and low parts. Use
423 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
424 printing a hexadecimal number prefix it with 0x.
426 2006-11-01 Chris Johns <chris@contemporary.net.au>
429 * Makefile.in (install-driver): Use exeext when installing
430 $target-gcc-$version.
432 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
434 * c-common.c (flag_cpp0x): New.
435 * c-common.h (flag_cpp0x): New.
436 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
437 supported, define __GXX_EXPERIMENTAL_CPP0X__.
438 * c-opts.c (set_std_cxx0x): New.
439 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
440 * c.opt (std=c++0x): Document.
441 (std=gnu++0x): Ditto.
442 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
443 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
445 2006-11-01 Richard Guenther <rguenther@suse.de>
447 * config/i386/i386.c (ix86_expand_rint): Fix issues with
449 (ix86_expand_floorceildf_32): Likewise.
450 (ix86_expand_floorceil): Likewise.
451 (ix86_expand_trunc): Likewise.
453 2006-10-31 Andrew Pinski <pinskia@gmail.com>
455 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
458 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
460 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
462 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
464 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
466 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
467 * configure.ac (use_cxa_atexit): As a special case, don't test
468 for libc definition of __cxa_atexit on mingw32
469 * configure: Regenerate.
470 * config.gcc (i[34567]86-pc-mingw32): Default to
471 enable__cxa_atexit=yes.
473 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
475 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
477 2006-10-31 Geoffrey Keating <geoffk@apple.com>
480 * c-decl.c (start_struct): Don't create self-containing
482 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
484 * config/rs6000/rs6000-protos.h
485 (darwin_rs6000_special_round_type_align): New.
486 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
487 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
489 2006-10-31 Geoffrey Keating <geoffk@apple.com>
491 * toplev.c (compile_file): Call final_write_globals
492 even if there have been errors.
494 2006-10-31 Eric Christopher <echristo@apple.com>
495 Falk Hueffner <falk@debian.org>
497 * doc/extend.texi (__builtin_bswap32): Document.
498 (__builtin_bswap64): Ditto.
499 * doc/libgcc.texi (bswapsi2): Document.
501 * doc/rtl.texi (bswap): Document.
502 * optabs.c (expand_unop): Don't widen a bswap.
503 (init_optabs): Init bswap. Set libfuncs explicitly
504 for bswapsi2 and bswapdi2.
505 * optabs.h (OTI_bswap): New.
506 (bswap_optab): Ditto.
507 * genopinit.c (optabs): Handle bswap_optab.
508 * tree.h (tree_index): Add TI_UINT32_TYPE and
510 (uint32_type_node): New.
511 (uint64_type_node): Ditto.
512 * tree.c (build_common_tree_nodes_2): Initialize
513 uint32_type_node and uint64_type_node.
514 * builtins.c (expand_builtin_bswap): New.
515 (expand_builtin): Call.
516 (fold_builtin_bswap): New.
517 (fold_builtin_1): Call.
518 * fold-const.c (tree_expr_nonnegative_p): Return true
520 * builtin-types.def (BT_UINT32): New.
522 (BT_FN_UINT32_UINT32): Ditto.
523 (BT_FN_UINT64_UINT64): Ditto.
524 * builtins.def (BUILT_IN_BSWAP32): New.
525 (BUILT_IN_BSWAP64): Ditto.
526 * rtl.def (BSWAP): New.
527 * genattrtab.c (check_attr_value): New.
528 * libgcc2.c (__bswapSI2): New.
530 * libgcc2.h (__bswapSI2): Declare.
532 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
533 * simplify-rtx.c (simplify_const_unary_operation): Return
535 * libgcc-std.ver (__bwapsi2): Add.
537 * reload1.c (eliminate_regs_1): Add bswap.
538 (elimination_effects): Ditto.
539 * config/i386/i386.h (x86_bswap): New.
541 * config/i386/i386.c (x86_bswap): Set.
543 2006-10-31 Geoffrey Keating <geoffk@apple.com>
545 * coverage.c (coverage_checksum_string): Update comment.
546 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
547 of get_file_function_name.
548 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
549 of get_file_function_name_long.
550 * tree.c (get_file_function_name): Rename from
551 get_file_function_name_long; improve comment; handle 'I' and 'D'
552 specially when the target has ctor/dtor support; remove special
554 (get_file_function_name): Remove.
555 * tree.h (get_file_function_name): Rename from
556 get_file_function_name_long.
557 (get_file_function_name): Remove prototype.
559 2006-10-31 Geoffrey Keating <geoffk@apple.com>
561 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
562 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
564 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
565 Call dsymutil when compiling and linking one or more source files
568 2006-10-31 Geoffrey Keating <geoffk@apple.com>
571 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
573 2006-10-31 Geoffrey Keating <geoffk@apple.com>
575 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
576 inline static functions in c99 mode.
579 * doc/extend.texi (Inline): Update.
580 * c-tree.h (struct language_function): Remove field 'extern_inline'.
581 * c-decl.c (current_extern_inline): Delete.
582 (pop_scope): Adjust test for an undefined nested function.
583 Add warning about undeclared inline function.
584 (diagnose_mismatched_decls): Update comments. Disallow overriding
585 of inline functions in a translation unit in C99. Allow inline
586 declarations in C99 at any time.
587 (merge_decls): Boolize variables. Handle C99 'extern inline'
589 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
590 C99 inline semantics.
591 (start_function): Don't clear current_extern_inline. Don't set
593 (c_push_function_context): Don't push current_extern_inline.
594 (c_pop_function_context): Don't restore current_extern_inline.
597 * c-typeck.c (build_external_ref): Warn about static variables
598 used in extern inline functions.
599 * c-decl.c (start_decl): Warn about static variables declared
600 in extern inline functions.
602 2006-10-31 Roger Sayle <roger@eyesopen.com>
605 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
606 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
607 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
608 or y is an even integer.
610 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
613 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
614 * gthr-posix95.h (__gthread_active_p): Likewise.
616 2006-10-31 Richard Guenther <rguenther@suse.de>
618 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
619 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
620 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
621 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
622 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
623 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
624 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
625 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
628 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
630 * opts.c (decode_options): Disable CSE skip blocks.
632 2006-10-30 Dirk Mueller <dmueller@suse.de>
634 * c-common.h (strict_aliasing_warning): Fix whitespace.
635 * c-decl (start_function): Move code for main decl warning ..
636 * c-common.c (check_main_parameter_types): .. here.
637 * c-common.h (check_main_parameter_types): Declare.
639 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
642 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
644 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
646 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
647 be a PARALLEL containing sets. Return false when out_pat is not
650 2006-10-30 Richard Sandiford <richard@codesourcery.com>
652 * config/mips/mips.md (mul<mode>3): Split into...
653 (mulsi3, muldi3): ...these separate patterns.
655 2006-10-30 Richard Sandiford <richard@codesourcery.com>
657 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
658 but with each set of options separated by spaces.
660 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
662 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
663 dwarf_reg_size_table has been initialized.
665 2006-10-30 Roger Sayle <roger@eyesopen.com>
667 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
668 * ddg.c (print_ddg_edge): Likewise.
669 * dwarf2out.c (prune_unused_types_walk): Likewise.
670 * ifcvt.c (noce_try_cmove_arith): Likewise.
671 * langhooks.c (add_builtin_function): Likewise.
672 * reg-stack.c (subst_stack_regs_pat): Likewise.
673 * tree.c (expanded_location): Likewise.
674 * tree-dump.c (dequeue_and_dump): Likewise.
676 2006-10-30 David Daney <ddaney@avtrex.com>
678 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
680 2006-10-30 Jakub Jelinek <jakub@redhat.com>
682 PR tree-optimization/29637
683 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
684 of the innertype is the innertype itself.
686 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
688 * dwarf2out.c (file_name_acquire): Correct typo.
690 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
692 * tree.h (tree_value_handle): Remove struct value_set declaration.
693 Change value_set to bitmap_set.
694 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
695 * tree-vn.c (get_value_handle): Made inline and moved to
697 * tree-flow-inline.h: (has_stmt_ann): New function.
698 * tree-ssa-pre.c (expressions): New variable.
699 (next_expression_id): Ditto.
700 (alloc_expression_id): New function.
701 (struct value_set): Remove.
702 (get_expression_id): New function.
703 (get_or_alloc_expression_id): Ditto.
704 (expression_for_id): Ditto.
705 (clear_expression_ids): Ditto.
706 (FOR_EACH_EXPR_ID_IN_SET): New macro.
707 (bb_value_sets): Renamed to bb_bitmap_sets.
708 All value sets replaced with bitmap_sets.
710 (BB_VISITED): New macro.
711 (postorder): New variable.
712 (add_to_value): Removed.
713 (value_exists_in_set_bitmap): Ditto.
714 (value_insert_into_set_bitmap): Ditto.
718 (set_contains_value): Ditto.
719 (insert_into_set): Ditto.
721 (find_leader): Ditto.
722 (bitmap_set_subtract_from_value_set): Ditto.
723 (value_insert_into_set): Ditto.
724 (print_value_set): Ditto.
725 (debug_value_set): Ditto.
726 (constant_expr_p): New function.
727 (bitmap_remove_from_set): Ditto.
728 (bitmap_insert_into_set): Ditto.
729 (bitmap_set_free): Ditto.
731 (sorted_array_from_bitmap_set): Ditto.
732 (bitmap_set_subtract): Ditto.
733 (bitmap_set_equal): Ditto.
734 (debug_bitmap_set): Ditto.
735 (find_leader_in_sets): Ditto.
736 (bitmap_set_replace_value): Modify for bitmapped sets.
737 (phi_translate): Ditto.
738 (phi_translate_set): Ditto.
739 (bitmap_find_leader): Ditto.
740 (valid_in_sets): Ditto.
741 (union_contains_value): Ditto.
743 (compute_antic_aux): Ditto. Mark changed blocks.
744 (compute_antic): Ditto. Iterate in postorder and only over
746 (compute_rvuse_and_antic_safe): Reuse postorder.
747 (create_component_ref_by_pieces): Modify for bitmapped sets.
748 (find_or_generate_expression): Ditto.
749 (create_expression_by_pieces): Ditto.
750 (insert_into_preds_of_block): Ditto.
751 (changed_blocks): New variable.
752 (do_regular_insertion): Broken out from insert_aux.
753 (insert_aux): Modified for bitmapped sets.
754 (find_existing_value_expr): New function.
755 (create_value_expr_from): Use it.
756 (insert_extra_phis): Removed.
757 (print_bitmap_set): Renamed from bitmap_print_value_set.
758 (compute_avail): Handle RETURN_EXPR.
759 (init_pre): Modify for bitmapped sets.
760 * tree-flow.h (has_stmt_ann): New function.
762 2006-10-29 Roger Sayle <roger@eyesopen.com>
764 * builtins.c (fold_builtin_floor): Check for the availability of
765 the C99 trunc function before transforming floor into trunc.
767 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
769 * builtins.c (fold_builtin_hypot): Rearrange recursive
770 transformation before others, and also do ABS_EXPR. When
771 necessary, check flag_unsafe_math_optimizations. When necessary,
774 2006-10-29 Roger Sayle <roger@eyesopen.com>
776 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
777 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
778 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
779 Fold -X eq/ne -Y as X eq/ne Y.
781 2006-10-29 Richard Sandiford <richard@codesourcery.com>
783 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
784 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
785 rather than GENERATE_MULT3_SI in the various define_peephole2s.
786 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
787 Use an inclusive test for "mult" rather than "mul".
788 (rotr<mode>3): Depend on ISA_HAS_ROR.
789 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
791 (GENERATE_MULT3_DI): Delete.
792 (ISA_HAS_64BIT_REGS): Use consistent formatting.
793 (ISA_HAS_MUL3): New macro.
794 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
795 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
796 (ISA_HAS_CLZ_CLO): Likewise.
797 (ISA_HAS_DCLZ_DCLO): Delete.
798 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
799 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
800 the VR4120 and VR4130.
801 (ISA_HAS_MACCHI): Use consistent formatting.
802 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
803 (ISA_HAS_ROR): ...this new macro.
804 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
805 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
806 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
808 2006-10-29 Roger Sayle <roger@eyesopen.com>
810 PR tree-optimization/15458
811 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
814 2006-10-29 Richard Guenther <rguenther@suse.de>
816 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
817 (ix86_expand_truncdf_32): Likewise.
818 * config/i386/i386.c (ix86_expand_trunc): New function expanding
819 trunc inline for SSE math and -fno-trapping-math and if not
821 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
822 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
823 for expanding btrunc inline for SSE math.
825 2006-10-29 Joseph Myers <joseph@codesourcery.com>
827 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
828 Handle tuning for bi-arch i[34567]86-*-linux* like that for
829 i[34567]86-*-solaris2.1[0-9]*.
830 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
831 Define conditionally depending on TARGET_64BIT_DEFAULT.
832 (SPEC_32, SPEC_64): Define.
833 (LINK_SPEC): Use them.
834 * doc/install.texi (--enable-targets=all): Document for x86-linux.
836 2006-10-29 Richard Guenther <rguenther@suse.de>
838 * config/i386/i386-protos.h (ix86_expand_round): Declare.
839 (ix86_expand_rounddf_32): Likewise.
840 * config/i386/i386.c (ix86_expand_round): New function expanding
841 round inline for SSE math and -fno-trapping-math and if not
843 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
844 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
845 round via ix86_expand_round.
847 2006-10-29 Richard Guenther <rguenther@suse.de>
849 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
850 (ix86_expand_floorceildf_32): Likewise.
851 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
852 static helper function.
853 (ix86_expand_floorceil): Expander for floor and ceil to SSE
855 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
856 * config/i386/i386.md (floordf2): Adjust to enable floor
857 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
858 -fno-trapping-math is enabled and if not optimizing for size.
859 (floorsf2, ceildf2, ceilsf2): Likewise.
860 * config/i386/sse.md (sse_maskcmpsf3): New insn.
861 (sse2_maskcmpdf3): Likewise.
863 2006-10-29 Richard Guenther <rguenther@suse.de>
865 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
866 rint in case -fno-trapping-math is enabled.
867 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
868 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
869 (ix86_expand_sse_fabs): Likewise.
870 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
871 * config/i386/i386.md (rintdf2): Enable for SSE math if
872 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
875 2006-10-29 Richard Guenther <rguenther@suse.de>
877 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
878 to conversion optabs.
879 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
881 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
882 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
883 (lfloor_optab, lceil_optab): Adjust defines.
884 * builtins.c (expand_builtin_int_roundingfn): Adjust for
885 lfloor and lceil optabs now being conversion optabs.
886 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
887 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
888 New static helper function.
889 (ix86_expand_lfloorceil): New function to expand lfloor and
891 * config/i386/i386.md (lfloor<mode>2): Split into ...
892 (lfloorxf<mode>2): ... x87 variant
893 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
894 using ix86_expand_lfloorceil.
895 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
897 * doc/md.texi (lfloorMN, lceilMN): Document.
899 2006-10-29 Richard Sandiford <richard@codesourcery.com>
901 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
902 -mno-shared assembler option on mips targets.
903 * configure, config.in: Regenerate.
904 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
905 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
906 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
908 2006-10-29 Richard Sandiford <richard@codesourcery.com>
910 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
911 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
913 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
915 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
916 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
919 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
922 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
923 (fold_builtin_pow): Evaluate constant arguments at compile-time
925 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
926 (do_mpfr_ckconv): New helper function.
927 (do_mpfr_arg1): Use do_mpfr_ckconv.
930 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
933 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
934 (-fdump-rtl-sched): Rename to ..
935 (-fdump-rtl-sched1): here. Also fix file extension number.
937 2006-10-28 Richard Guenther <rguenther@suse.de>
939 * fold-const.c (maybe_canonicalize_comparison): Fix code
942 2006-10-28 Uros Bizjak <uros@kss-loka.si>
944 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
945 (NON_QI_REG_P): Use IN_RANGE.
946 (REX_INT_REGNO_P): Use IN_RANGE.
947 (FP_REGNO_P): Use IN_RANGE.
948 (SSE_REGNO_P): Use IN_RANGE.
949 (REX_SSE_REGNO_P): Use IN_RANGE.
950 (MMX_REGNO_P): Use IN_RANGE.
951 (STACK_REGNO_P): New macro.
952 (STACK_REG_P): Use STACK_REGNO_P.
953 (NON_STACK_REG_P): Use STACK_REGNO_P.
954 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
955 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
956 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
957 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
958 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
960 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
962 * except.h (output_function_exception_table): Add 'const char*' param.
963 * except.c (switch_to_exception_section): Add 'const char*' param.
964 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
965 and flag_function_sections is set, use a function-specific section.
966 (output_function_exception_table): Add 'const char*' param.
967 Adjust call to switch_to_exception_section.
968 * final.c (rest_of_handle_final): Adjust calls to
969 output_function_exception_table.
970 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
971 * config.in: Regenerate.
972 * configure: Likewise.
974 2006-10-28 Richard Guenther <rguenther@suse.de>
977 * fold-const.c (maybe_canonicalize_comparison_1): Helper
978 for maybe_canonicalize_comparison.
979 (maybe_canonicalize_comparison): New function for canonicalizing
981 (fold_comparison): Call it to canonicalize comparisons with
984 2006-10-28 Richard Guenther <rguenther@suse.de>
987 * builtins.c (expand_builtin_int_roundingfn_2): Expand
988 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
989 (expand_builtin): Adjust likewise.
990 * genopinit.c (optabs[]): Add lround optab.
991 * optabs.c (init_optabs): Initialize lround_optab.
992 * optabs.h (enum convert_optab_index): Add COI_lround.
993 (lround_optab): Define.
994 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
995 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
997 (ix86_expand_lround): New function.
998 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1000 * doc/md.texi (lroundMN2): Document.
1002 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1005 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1006 argument to HOST_WIDE_INT. Update function prototype.
1007 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1008 "size" argument to HOST_WIDE_INT. Update function prototype.
1010 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1012 * config/i386/i386.c (output_387_ffreep): Create output from a
1013 template string for !HAVE_AS_IX86_FFREEP.
1015 2006-10-27 Eric Christopher <echristo@apple.com>
1017 * config/darwin.c: Fix formatting and grammar.
1019 2006-10-27 Jan Hubicka <jh@suse.cz>
1021 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1022 to be thrown away soon when IGNORE is set.
1023 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1024 indicating when return value shall not be computed.
1025 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1027 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1029 * config/i386/i386.h (TARGET_GEODE):
1030 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1031 (TARGET_CPU_DEFAULT_geode): New macro.
1032 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1033 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1034 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1035 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1036 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1038 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1039 (processor_type): Add PROCESSOR_GEODE.
1041 * config/i386/i386.md: Include geode.md.
1044 * config/i386/i386.c (geode_cost): New initialized global
1046 (m_GEODE, m_K6_GEODE): New macros.
1047 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1048 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1049 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1050 x86_schedule): Use m_K6_GEODE instead of m_K6.
1051 (x86_movx, x86_cmove): Set up m_GEODE.
1052 (x86_integer_DFmode_moves): Clear m_GEODE.
1053 (processor_target_table): Add entry for geode.
1054 (processor_alias_table): Ditto.
1056 * config/i386/geode.md: New file.
1058 * doc/invoke.texi: Add entry about geode processor.
1060 2006-10-27 Mike Stump <mrs@apple.com>
1062 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1063 __DYNAMIC__ from here back to ...
1064 * config/darwin.h (CPP_SPEC): ... here.
1066 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1067 Nathan Sidwell <nathan@codesourcery.com>
1069 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1070 when choosing the minimum heapsize.
1072 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1074 * gcc/unwind-dw2.h: Move cfa-related variables into
1075 struct frame_state_reg_info to ensure that the CFA is properly
1076 handled when executing DW_CFA_{remember,restore}_state.
1077 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1078 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1079 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1080 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1081 gcc/config/rs6000/linux-unwind.h,
1082 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1083 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1084 Modify to use new cfa_* fields.
1086 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1088 * config/s390/s390.c (s390_init_frame_layout): Check positive
1091 2006-10-26 Ben Elliston <bje@au.ibm.com>
1093 * gimplify.c (get_name): Remove extraneous break.
1094 (gimplify_omp_for): Initialise ret with GS_OK.
1096 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1098 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1099 Add unix98.o to link line.
1101 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1105 Calculate compile-time constants using MPFR.
1106 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1107 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1109 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1111 * config/xtensa/lib2funcs.S: Use C-style comments.
1113 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1115 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1116 (file_table_relative_p): Likewise.
1117 (dwarf2out_finish): Likewise.
1118 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1120 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1122 * tree-ssa-structalias.c (intra_create_variable_infos):
1123 Don't recreate nonlocal_all if it already exists.
1125 2006-10-25 Richard Guenther <rguenther@suse.de>
1128 * optabs.h (enum optab_index): Remove OTI_lrint.
1129 (enum convert_optab_index): Add COI_lrint.
1130 (lrint_optab): Adjust.
1131 (expand_sfix_optab): Declare.
1132 * optabs.c (expand_sfix_optab): New function.
1133 (init_optabs): Init lrint_optab as conversion optab.
1134 * genopinit.c (lrint_optab): Change to a conversion optab.
1135 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1136 expansion via conversion optab.
1137 * config/i386/i386.md (*fistdi2_1): Remove
1138 flag_unsafe_math_optimizations guard.
1139 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1140 fist<mode>2_with_temp): Likewise.
1141 (lrint<mode>2): Split into...
1142 (lrintxf<mode>2): ... x87 part
1143 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1144 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1145 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1146 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1147 * doc/md.texi (lrintMN2): Document.
1149 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1152 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1153 Use inc and dec instructions for TARGET_USE_INCDEC.
1154 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1155 ("sync_double_compare_and_swap<mode>"): Likewise.
1156 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1157 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1158 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1159 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1160 ("sync_old_add<mode>"): Likewise.
1161 ("sync_lock_test_and_set<mode>"): Likewise.
1162 ("sync_lock_test_and_set<mode>"): Likewise.
1163 ("sync_add<mode>"): Likewise.
1164 ("sync_sub<mode>"): Likewise.
1165 ("sync_ior<mode>"): Likewise.
1166 ("sync_and<mode>"): Likewise.
1167 ("sync_xor<mode>"): Likewise.
1169 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1171 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1172 (remainder_optab): Define corresponding macro.
1173 (drem_optab): Remove.
1174 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1175 drem_optab initialization.
1176 * genopinit.c (optabs): Implement remainder_optab using
1177 remainder?f3 patterns. Remove drem_optab.
1178 * builtins.c (expand_builtin_mathfn_2): Handle
1179 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1180 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1181 expand_builtin_mathfn_2.
1183 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1184 depend on flag_unsafe_math_optimizations.
1186 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1187 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1188 Do not depend on flag_unsafe_math_optimizations. Use
1189 truncxf?f expander instead of truncxf?f_i387_noop.
1191 ("fpremxf4", "fprem1xf4"): Do not depend on
1192 flag_unsafe_math_optimizations.
1193 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1194 flag_unsafe_math_optimizations. Use truncxf?f expander
1195 instead of truncxf?f_i387_noop.
1197 * doc/md.texi (fmod, remainder): Document standard named pattern.
1199 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1200 David Daney <ddaney@avtrex.com>
1203 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1205 2006-10-25 Ben Elliston <bje@au.ibm.com>
1207 * doc/extend.texi (Variable Attributes): Typo fix.
1209 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1211 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1212 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1213 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1214 (FRAME_POINTER_REGNUM): Update register number to 21.
1215 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1216 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1218 * config/i386/i386.c (regclass_map): Add fpcr entry.
1219 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1221 (print_reg): Assert REGNO (x) != FPCR_REG.
1223 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1224 (DIRFLAG_REG): Renumber.
1225 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1226 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1227 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1228 hardcoded SSE register numbers.
1230 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1231 hardcoded MMX register numbers.
1233 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1236 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1237 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1239 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1240 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1241 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1242 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1244 2006-10-24 Richard Guenther <rguenther@suse.de>
1247 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1248 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1249 for deciding optimizations in consistency with fold-const.c
1250 (fold_builtin_unordered_cmp): Likewise.
1252 2006-10-24 Richard Guenther <rguenther@suse.de>
1254 * builtins.c (fold_builtin_floor): Fold floor (x) where
1255 x is nonnegative to trunc (x).
1256 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1257 nonnegative to FIX_TRUNC_EXPR.
1259 2006-10-24 Richard Guenther <rguenther@suse.de>
1261 PR tree-optimization/29567
1262 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1263 for TRUTH_NOT_EXPR. Clarify comments.
1265 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1268 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1269 at compile-time using MPFR. Change parameter VALUE to FUNC,
1271 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1272 for overflow and underflow at all times and avoid folding in
1275 2006-10-24 Ben Elliston <bje@au.ibm.com>
1277 * reload1.c: Formatting fixes.
1279 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1281 PR tree-optimization/14784
1282 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1283 * tree-ssa-structalias.c (get_constraint_for,
1284 intra_create_variable_infos): Set is_heapvar.
1285 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1286 non-heapvar pointer variables specially.
1288 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1291 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1292 fold_builtin_tan): Fold all constant arguments. Take a "type"
1293 argument as necessary.
1294 (do_mpfr_arg1): New.
1295 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1297 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1299 * config/xtensa/lib1funcs.asm: Use C-style comments.
1301 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1303 * tree.c (local_define_builtin): Replace calls to
1304 lang_hooks.builtin_function with add_builtin_function.
1305 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1307 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1309 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1310 common code to add_builtin_function.
1311 * langhooks.c (add_builtin_function): New function.
1312 (lhd_builtin_function): New function.
1313 * langhooks.h (struct lang_hooks): Change the signature of
1315 (add_builtin_function): New function.
1316 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1317 calls to lang_hooks.builtin_function with add_builtin_function.
1318 * c-common.c (decl_builtin_1): Replace calls to
1319 lang_hooks.builtin_function with add_builtin_function.
1320 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1321 lang_hooks.builtin_function with add_builtin_function.
1322 * config/frv/frv.c (def_builtin): Replace calls to
1323 lang_hooks.builtin_function with add_builtin_function.
1324 * config/s390/s390.c (s390_init_builtins): Replace calls to
1325 lang_hooks.builtin_function with add_builtin_function.
1326 * config/sparc/sparc.c (def_builtin): Replace calls to
1327 lang_hooks.builtin_function with add_builtin_function.
1328 * config/i386/i386.c (def_builtin): Replace calls to
1329 lang_hooks.builtin_function with add_builtin_function.
1330 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1331 lang_hooks.builtin_function with add_builtin_function.
1332 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1333 lang_hooks.builtin_function with add_builtin_function.
1334 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1335 Replace calls to lang_hooks.builtin_function with
1336 add_builtin_function.
1337 * config/iq2000/iq2000.c (def_builtin):
1338 Replace calls to lang_hooks.builtin_function with
1339 add_builtin_function.
1340 * config/ia64/ia64.c (def_builtin): Replace calls to
1341 lang_hooks.builtin_function with add_builtin_function.
1342 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1343 lang_hooks.builtin_function with add_builtin_function.
1344 (altivec_init_builtins): Replace calls to
1345 lang_hooks.builtin_function with add_builtin_function.
1346 * config/arm/arm.c (def_mbuiltin): Replace calls to
1347 lang_hooks.builtin_function with add_builtin_function.
1348 (arm_init_tls_builtins): Replace calls to
1349 lang_hooks.builtin_function with add_builtin_function.
1350 * config/mips/mips.c (mips_init_builtins): Replace calls to
1351 lang_hooks.builtin_function with add_builtin_function.
1352 * config/bfin/bfin.c (def_builtin): Replace calls to
1353 lang_hooks.builtin_function with add_builtin_function.
1354 * langhooks-def.h (lhd_builtin_function): New function.
1355 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1357 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1359 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1360 BUILT_IN_STRNCAT_CHK.
1362 2006-10-23 Jan Hubicka <jh@suse.cz>
1364 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1365 don't do conversion from memmove to memcpy here.
1366 (expand_builtin_bcopy, expand_builtin): Update call of
1367 expand_builtin_memmove.
1368 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1370 2006-10-23 Paul Brook <paul@codesourcery.com>
1372 * stor-layout.c (start_record_layout): maximum_field_alignment
1373 overrides STRUCTURE_SIZE_BOUNDARY.
1375 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1377 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1378 nonlocal function symbols if flag_pic.
1380 2006-10-23 Richard Guenther <rguenther@suse.de>
1384 * builtins.c (fold_binary): Remove checks for flag_wrapv
1385 and flag_trapv where negate_expr_p covers these cases.
1387 2006-10-23 Richard Guenther <rguenther@suse.de>
1390 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1391 of two on the absolute value.
1392 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1393 and negating -C does not overflow.
1395 2006-10-23 Richard Guenther <rguenther@suse.de>
1398 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1399 only if not flag_rounding_math.
1401 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1402 Kaz Kojima <kkojima@gcc.gnu.org>
1405 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1406 SImode memory reference for the source of a movua.
1407 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1408 (movua): Use an unspec instead of sign_extract. Expect the source
1409 to have mode BLKmode.
1410 (extv, insv): Use a BLKmode rather than SImode memory reference
1411 for the source of a movua.
1413 2006-10-22 Jeff Law <law@redhat.com>
1414 Richard Guenther <rguenther@suse.de>
1416 PR tree-optimization/15911
1417 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1418 (register_edge_assert_for_1): Likewise.
1419 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1420 (find_conditional_asserts): Adjust for new function signature.
1421 (find_assert_locations): Likewise.
1423 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1425 * config/i386/tmmintrin.h: Remove the duplicated content.
1427 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1429 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1430 (x86_64-*-*): Likewise.
1432 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1433 (override_options): Check SSSE3.
1434 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1435 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1436 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1437 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1438 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1439 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1440 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1441 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1442 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1443 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1444 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1445 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1446 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1447 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1448 IX86_BUILTIN_PABSD128.
1449 (bdesc_2arg): Add SSSE3.
1450 (bdesc_1arg): Likewise.
1451 (ix86_init_mmx_sse_builtins): Support SSSE3.
1452 (ix86_expand_builtin): Likewise.
1453 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1455 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1456 (UNSPEC_PSIGN): Likewise.
1457 (UNSPEC_PALIGNR): Likewise.
1458 Include mmx.md before sse.md.
1460 * config/i386/i386.opt: Add -mssse3.
1462 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1463 (ssse3_phaddwv4hi3): Likewise.
1464 (ssse3_phadddv4si3): Likewise.
1465 (ssse3_phadddv2si3): Likewise.
1466 (ssse3_phaddswv8hi3): Likewise.
1467 (ssse3_phaddswv4hi3): Likewise.
1468 (ssse3_phsubwv8hi3): Likewise.
1469 (ssse3_phsubwv4hi3): Likewise.
1470 (ssse3_phsubdv4si3): Likewise.
1471 (ssse3_phsubdv2si3): Likewise.
1472 (ssse3_phsubswv8hi3): Likewise.
1473 (ssse3_phsubswv4hi3): Likewise.
1474 (ssse3_pmaddubswv8hi3): Likewise.
1475 (ssse3_pmaddubswv4hi3): Likewise.
1476 (ssse3_pmulhrswv8hi3): Likewise.
1477 (ssse3_pmulhrswv4hi3): Likewise.
1478 (ssse3_pshufbv16qi3): Likewise.
1479 (ssse3_pshufbv8qi3): Likewise.
1480 (ssse3_psign<mode>3): Likewise.
1481 (ssse3_psign<mode>3): Likewise.
1482 (ssse3_palignrti): Likewise.
1483 (ssse3_palignrdi): Likewise.
1484 (abs<mode>2): Likewise.
1485 (abs<mode>2): Likewise.
1487 * config/i386/tmmintrin.h: New file.
1489 * doc/extend.texi: Document SSSE3 built-in functions.
1491 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1493 2006-10-22 Ira Rosen <irar@il.ibm.com>
1495 * tree-vect-transform.c (vectorizable_load): Use the type of the
1496 return value of the mask_for_load builtin to create realign_load
1499 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1501 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1504 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1506 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1507 (UNSPEC_LDDQU): This.
1508 * config/i386/sse.md (sse3_lddqu): Updated.
1510 2006-10-21 Richard Guenther <rguenther@suse.de>
1512 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1513 (expand_builtin): Use it to expand lrint instead of
1514 expand_builtin_mathfn.
1516 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1519 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1520 flag_unsafe_math_optimizations is set.
1522 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1525 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1526 patterns to use memory input operand in x87->mem->XMM
1527 reload sequences. Skip transformation for TARGET_K8.
1529 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1531 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1532 force operand1 to register if both operands are memory operands.
1533 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1534 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1535 if both operands are memory operands.
1536 (truncdfsf2): Do not force operand1 to register if both operands
1537 are memory operands.
1539 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * Makefile.in (LIBS): Add $(GMPLIBS).
1542 * doc/install.texi: Update GMP and MPFR requirements.
1543 * doc/sourcebuild.texi (need_gmp): Delete.
1545 2006-10-21 Richard Guenther <rguenther@suse.de>
1547 PR tree-optimization/3511
1548 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1549 got new invariant arguments during PHI translation.
1551 2006-10-21 Richard Guenther <rguenther@suse.de>
1554 * fold-const.c (fold_comparison): Fold signed comparisons
1555 of the form X +- C1 CMP Y +- C2.
1557 2006-10-21 Richard Guenther <rguenther@suse.de>
1560 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1561 if flag_unsafe_math_optimizations is specified. We have
1562 flag_finite_math_only for that.
1563 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1564 or flag_unsafe_math_optimizations.
1566 2006-10-21 Richard Guenther <rguenther@suse.de>
1568 * builtins.c (fold_builtin_classify): Fix typo.
1570 2006-10-21 Richard Guenther <rguenther@suse.de>
1573 * simplify-rtx.c (simplify_const_relational_operation):
1574 Do not constant-fold ORDERED and UNORDERED for
1575 flag_unsafe_math_optimizations but only we do not need to
1576 honor NaNs for the given mode.
1578 2006-10-21 Richard Guenther <rguenther@suse.de>
1581 * config/i386/i386.c (classify_argument): Remove redundant
1582 walking of the BINFOs.
1583 (contains_128bit_aligned_vector_p): Likewise.
1585 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1587 * BASE-VER: Set to 4.3.0.
1589 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1591 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1592 (tree_decl_with_vis): Remove artificial_pta_var flag.
1593 * tree-flow.h (referenced_var_check_and_insert): Expose.
1594 (nonlocal_all): New prototype.
1595 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1596 (nonlocal_all): Make global.
1597 (nonlocal_lookup): Remove.
1598 (nonlocal_insert): Ditto.
1599 (create_nonlocal_var): Do not call nonlocal_insert.
1600 (get_nonlocal_id_for_type): Remove.
1601 (find_global_initializers): Mark new vars we find for renaming.
1602 (intra_create_variable_infos): Only create one nonlocal.
1603 (expand_nonlocal_solutions): Remove.
1604 (compute_points_to_sets): Don't call it.
1605 (ipa_pta_execute): Ditto.
1606 (init_alias_heapvars): Don't create nonlocal_for_type.
1607 (delete_alias_heapvars): Don't remove it.
1608 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1611 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1613 * doc/install.texi (Downloading GCC): Clarify mention of
1614 Fortran in the "full distribution" description.
1616 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1618 Fix PR tree-optimization/28778
1619 Fix PR tree-optimization/29156
1620 Fix PR tree-optimization/29415
1621 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1622 (tree_decl_with_vis): Add artificial_pta_var flag.
1623 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1624 pushed into callers.
1625 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1626 (nonlocal_all): Ditto.
1627 (struct variable_info): Add directly_dereferenced member.
1628 (var_escaped_vars): New variable.
1629 (escaped_vars_tree): Ditto.
1630 (escaped_vars_id): Ditto.
1631 (nonlocal_vars_id): Ditto.
1632 (new_var_info): Set directly_dereferenced.
1633 (graph_size): New variable
1634 (build_constraint_graph): Use graph_size.
1635 (solve_graph): Don't process constraints that cannot change the
1636 solution, don't try to propagate an empty solution to our
1638 (process_constraint): Set directly_dereferenced.
1639 (could_have_pointers): New function.
1640 (get_constraint_for_component_ref): Don't process STRING_CST.
1641 (nonlocal_lookup): New function.
1642 (nonlocal_insert): Ditto.
1643 (create_nonlocal_var): Ditto.
1644 (get_nonlocal_id_for_type): Ditto.
1645 (get_constraint_for): Allow results vector to be empty in the case
1646 of string constants.
1647 Handle results of calls properly.
1648 (update_alias_info): Update alias info stats on number and type of
1650 (find_func_aliases): Use could_have_pointers.
1651 (make_constraint_from_escaped): Renamed from
1652 make_constraint_to_anything, and changed to make constraints from
1654 (make_constraint_to_escaped): New function.
1655 (find_global_initializers): Ditto.
1656 (create_variable_info_for): Make constraint from escaped to any
1657 global variable, and from any global variable to the set of
1659 (intra_create_variable_infos): Deal with escaped instead of
1660 pointing to anything.
1661 (set_uids_in_ptset): Do type pruning on directly dereferenced
1663 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1664 (init_base_vars): Fix comment, and initialize escaped_vars.
1665 (need_to_solve): Removed.
1666 (find_escape_constraints): New function.
1667 (expand_nonlocal_solutions): Ditto.
1668 (compute_points_to_sets): Call find_escape_constraints and
1669 expand_nonlocal_solutions.
1670 (delete_points_to_sets): Don't fall off the end of the graph.
1671 (init_alias_heapvars): Initialize nonlocal_for_type and
1673 (delete_alias_heapvars): Free nonlocal_for_type and null out
1676 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1678 * fold-const.c (add_double): Rename to add_double_with_sign.
1679 Add 'unsigned_p' parameter and take it into account for the overflow.
1680 (mul_double): Rename to mul_double_with_sign.
1681 Add 'unsigned_p' parameter and take it into account for the overflow.
1682 (fold_div_compare): Call add_double_with_sign instead of add_double
1683 and mul_double_with_sign instead of mul_double, passing them the
1684 unsignedness of the type.
1685 * tree.h (add_double): Macroize.
1686 (add_double_with_sign): New prototype.
1687 (mul_double): Macroize.
1688 (mul_double_with_sign): New prototype.
1690 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1692 * config/score/crti.asm: New file.
1693 * config/score/crtn.asm: New file.
1694 * config/score/elf.h: New file.
1695 * config/score/mac.md: New file.
1696 * config/score/misc.md: New file.
1697 * config/score/mul-div.S: New file.
1698 * config/score/predicates.md: New file.
1699 * config/score/score7.md: New file.
1700 * config/score/score.c: New file.
1701 * config/score/score-conv.h: New file.
1702 * config/score/score.h: New file.
1703 * config/score/score.md: New file.
1704 * config/score/score-mdaux.c: New file.
1705 * config/score/score-mdaux.h: New file.
1706 * config/score/score-modes.def: New file.
1707 * config/score/score.opt: New file.
1708 * config/score/score-protos.h: New file.
1709 * config/score/score-version.h: New file.
1710 * config/score/t-score-elf: New file.
1711 * config.gcc: Add score*-*-* configurations(Update before).
1712 * doc/invoke.texi (Score Options): New section.
1713 * doc/md.texi (Score family): New section to document constraints.
1715 2006-10-19 Nick Clifton <nickc@redhat.com>
1717 * config/arm/arm.c: Fix spelling typo.
1719 2006-10-18 Tom Tromey <tromey@redhat.com>
1721 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1723 2006-10-18 Jan Hubicka <jh@suse.cz>
1726 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1729 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1731 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1732 TSI_SAME_STMT, since that's the desired entity.
1734 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1736 * config/s390/contraints.md: New file.
1737 * config/s390/s390-protos.h (s390_mem_constraint,
1738 s390_O_constraint_str, s390_N_constraint_str,
1739 s390_float_const_zero_p): Function prototypes added.
1740 * config/s390/s390.c (s390_extra_constraint_str,
1741 s390_const_double_ok_for_constraint_p,
1742 s390_const_ok_for_constraint_p): Functions removed.
1743 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1744 s390_float_const_zero_p): New functions.
1745 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1746 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1747 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1748 Macro definitions removed.
1749 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1750 s390_extra_constraint_str): Functions removed.
1752 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1753 Richard Sandiford <richard@codesourcery.com>
1756 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1757 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1759 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1761 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1762 (DWARF2_FRAME_REG_OUT): Likewise.
1763 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1764 (DWARF2_FRAME_REG_OUT): Likewise.
1766 2006-10-17 Paul Brook <paul@codesourcery.com>
1768 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1770 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1772 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1773 Standardize on "GNU Fortran" as the official name of the Fortran
1776 2006-10-16 Mike Stump <mrs@apple.com>
1778 * doc/invoke.texi (Darwin Options): Document -mkernel.
1779 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1781 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1782 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1783 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1784 (OS_MISSING_ALTIVEC): Add.
1785 * config/i386/i386.c (override_options): Add
1786 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1787 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1788 -mkernel, -static or -mdynamic-no-pic is given.
1789 (C_COMMON_OVERRIDE_OPTIONS): Add.
1790 * config/darwin.opt (fapple-kext): Add.
1792 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1793 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1795 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1796 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1797 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1798 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1799 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1800 (flag_mkernel): Add.
1801 (flag_apple_kext): Add.
1802 (TARGET_KEXTABI): Add.
1803 * config/darwin.c (darwin_handle_kext_attribute): Add.
1804 (DARWIN_VTABLE_P): Add.
1805 (darwin_binds_local_p): Add partial support for rebinding vtables
1807 (darwin_kextabi_p): Add.
1808 (darwin_override_options): Add.
1809 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1810 (darwin_kextabi_p): Add.
1811 (darwin_override_options): Add.
1812 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1813 __DYNAMIC__ and __STATIC__ here.
1815 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1817 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1818 Added mention of "make pdf" target, and Texinfo requirements for
1821 2006-10-16 DJ Delorie <dj@redhat.com>
1823 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1824 into the GOT in case we need a subreg of the address.
1826 2006-10-16 Richard Guenther <rguenther@suse.de>
1829 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1830 SSE builtin documentation. Document SSE2 builtins.
1832 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1834 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1835 symbol in the output file for non-shared links when -nostdlib or
1836 -nodefaultlibs isn't specified.
1838 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1839 posix thread support.
1841 2006-10-15 Jan Hubicka <jh@suse.cz>
1844 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1845 declared always_inline even when not inlining.
1847 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1848 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1849 Andrew Pinski <pinskia@gmail.com>
1852 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1854 2006-10-15 Jan Hubicka <jh@suse.cz>
1855 Richard Guenther <rguenther@suse.de>
1858 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1859 process_function_and_variable_attributes on all variables, including
1860 those discovered during cgraph construction phase.
1862 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1864 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1866 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1868 * config/i386/athlon.md (athlon_fist): Add fisttp.
1870 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1871 Ian Lance Taylor <ian@airs.com>
1874 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1875 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1878 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1880 * config/score/score.c, config/score/score.h: Fix comment
1883 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1886 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1889 2006-10-13 Eric Christopher <echristo@apple.com>
1891 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1893 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1896 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1897 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1898 alignment supported by 32-bit ELF.
1900 2006-10-13 Eric Christopher <echristo@apple.com>
1902 * config/darwin.c (darwin_emit_unwind_label): Strip
1903 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1905 2006-10-13 Richard Guenther <rguenther@suse.de>
1907 PR tree-optimization/29446
1908 * tree-vrp.c (fix_equivalence_set): Remove.
1909 (extract_range_from_assert): Do not call fix_equivalence_set.
1910 (debug_value_range): Print a newline.
1911 (compare_name_with_value): For equivalence sets with
1912 inconsistent value ranges conservatively bail out.
1913 (compare_names): Likewise.
1915 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1917 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1918 and MPFR for gfortran.
1920 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1922 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1923 alignment supported by 32-bit ELF.
1925 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1929 * c-typeck.c (digest_init): Always allow initializing vectors
1930 that have static storage duration with compound literals.
1931 * tree.c (build_type_attribute_qual_variant): New, based on
1932 build_type_attribute_variant.
1933 (build_type_attribute_variant): Rewrite using the former.
1934 (make_vector_type): Use build_type_attribute_qual_variant to build
1935 type variants. Use type_hash_canon on the others.
1937 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1938 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1940 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1942 2006-10-12 Jan Hubicka <jh@suse.cz>
1945 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1946 current_function_decl is set but current_function_scope is not.
1948 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1950 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1951 emit_insn to emit eh_return_internal instruction.
1952 (eh_return_internal): Explicitly set pc.
1954 2006-10-11 Richard Guenther <rguenther@suse.de>
1956 PR tree-optimization/28230
1957 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1958 to the correct place.
1960 2006-10-11 Richard Guenther <rguenther@suse.de>
1963 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1966 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1968 * configure.ac: Added pdf to "Make-hooks"
1969 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1970 targets and *.pdf file patterns in cleanup targets.
1971 * configure: Regenerated.
1973 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1975 * config/avr/predicates.md: New file.
1976 * config/avr/avr.md: Include it.
1977 (REG_SP): New constant.
1978 (peepholes): Use predicates.
1979 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1980 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1981 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1983 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1985 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1988 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1991 * builtins.c (var_decl_component_p): New function.
1992 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1993 single entry optimization to variables and components thereof.
1995 2006-10-10 Richard Guenther <rguenther@suse.de>
1997 PR rtl-optimization/29323
1998 * except.c (set_nothrow_function_flags): For functions
1999 that do not bind local bail out early.
2001 2006-10-10 Ben Elliston <bje@au.ibm.com>
2003 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2006 2006-10-09 Richard Henderson <rth@redhat.com>
2008 Revert emutls patch.
2010 2006-10-09 Richard Guenther <rguenther@suse.de>
2013 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2016 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2019 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2020 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2021 * configure: Regenerate.
2022 * config.in: Regenerate.
2024 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2026 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2028 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2030 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2031 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2032 Remove stray newline.
2034 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2036 * config/mips/mips.c (mips_classify_symbol): Do not return
2037 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2038 (mips_in_small_data_p): Tweak comments.
2040 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2042 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2044 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2046 * gimplify.c, sched-int.h: Fix comment typos.
2048 * sched-int.h: Fix comment typos.
2050 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2052 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2054 * sched-ebb.c (begin_schedule_ready): Use them.
2055 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2056 add_to_speculative_block, create_check_block_twin, speculate_insn,
2057 fix_jump_move, move_block_after_check): Ditto.
2058 * sched-rgn.c (new_ready): Ditto.
2060 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2062 PR rtl-optimization/29128
2063 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2064 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2065 allow interblock movement of speculation checks.
2067 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2070 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2071 casted to integer type.
2072 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2073 if they are significantly more expensive than [reg + index] ones.
2075 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2077 PR tree-optimization/29330
2078 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2079 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2080 on newly allocated ddrs.
2081 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2082 to VEC (loop_p, heap) pointer.
2083 (compute_data_dependences_for_loop): Adjust caller.
2084 (free_dependence_relations): Free DDR_LOOP_NEST.
2086 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2087 free DEPENDENCE_RELATIONS and DATAREFS.
2090 * builtins.c (expand_builtin_sync_operation,
2091 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2092 Use convert_to_mode to handle promoted arguments.
2094 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2096 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2098 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2100 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2102 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2104 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2105 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2106 Use <modeconstraint> instead of "r" as operand 1 constraint.
2108 2006-10-06 Olivier Hainque <hainque@adacore.com>
2110 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2111 Don't recurse on the pointed-to type.
2112 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2113 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2114 types with components of variable size.
2116 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2118 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2120 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2122 PR tree-optimization/29290
2123 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2127 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2128 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2131 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2132 the number of vector elements fill the rest with zeros.
2134 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2136 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2137 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2140 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2142 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2143 unnamed pattern into subsi3. Use correct constraints/predicates.
2144 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2145 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2147 2006-10-05 Ira Rosen <irar@il.ibm.com>
2149 * doc/loop.texi: Add data references analysis description.
2151 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2153 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2155 2006-10-04 Richard Henderson <rth@redhat.com>
2156 Jakub Jelinek <jakub@redhat.com>
2158 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2159 * builtin-types.def (BT_WORD): Make unsigned.
2160 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2161 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2162 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2163 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2164 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2165 * cgraph.c (decide_is_variable_needed): Look at force_output.
2166 Recurse for emulated tls.
2167 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2168 checks redundant with decide_is_variable_needed.
2169 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2170 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2172 * expr.c (emutls_var_address): New.
2173 (expand_expr_real_1): Expand emulated tls.
2174 (expand_expr_addr_expr_1): Likewise.
2175 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2176 * output.h (emutls_finish): Declare.
2177 * toplev.c (compile_file): Call it.
2178 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2179 address before wrapping in CONST.
2180 * varasm.c (emutls_htab, emutls_object_type): New.
2181 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2182 (get_emutls_object_name, get_emutls_object_type): New.
2183 (get_emutls_init_templ_addr, emutls_decl): New.
2184 (emutls_common_1, emutls_finish): New.
2185 (assemble_variable): When emulating tls, swap decls; generate
2186 constructor for the emutls objects.
2187 (do_assemble_alias): When emulating tls, swap decl and target name.
2188 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2190 * emutls.c: New file.
2191 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2192 tls_object for real tls.
2194 2006-10-04 Zack Weinberg <zackw@panix.com>
2196 Fix bug in constraint-check generator, reported by Rask Ingemann
2198 * genpreds.c (add_constraint): Don't remove anything from the
2200 (write_tm_constrs_h): Detect whether "op" argument is used, and
2201 mark it ARG_UNUSED if it isn't.
2202 (write_insn_const_int_ok_for_constraint): Skip the part of the
2203 expression that would test whether "op" (which is not available
2204 here) is a CONST_INT.
2206 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2209 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2211 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2213 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2214 current Leopard versions.
2215 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2217 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2219 * doc/install.texi: Fix typos.
2221 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2223 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2224 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2225 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2227 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2229 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2230 arg to be struct mach_header_64* instead.
2232 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2235 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2236 side effects after the outer expression's post side effects.
2238 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2240 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2241 comments to reflect actual behavior and relationship between
2242 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2244 * doc/c-tree.texi (Working with declarations): Fix documentation
2245 of FIELD_DECL likewise.
2247 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2250 * doc/extend.texi: Add used variable attribute description.
2252 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2255 * c.opt (Woverride-init): New.
2256 * c-opts.c (c_common_post_options): Default warn_override_init to
2258 * c-typeck.c (add_pending_init, output_init_element): Warn for
2259 overriding initializers without side effects.
2260 * doc/invoke.texi (-Woverride-init): Document.
2263 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2265 PR rtl-optimization/28096
2266 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2267 assignment has already been used as a destination earlier in the block.
2269 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2271 * builtins.c (expand_builtin_setjmp): Delete.
2272 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2273 <BUILT_IN_SETJMP_SETUP>: New case.
2274 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2275 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2276 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2277 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2278 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2279 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2280 (lower_function_body): Initialize it to false. If it is set to true
2281 at the end of the processing, emit the setjmp dispatcher.
2282 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2283 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2284 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2285 on the rhs of the assignment.
2286 (lower_builtin_setjmp): New function.
2287 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2288 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2289 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2290 to detect calls that can go to non-local labels. Use specific
2291 helper to create the abnormal edges associated with them.
2292 <MODIFY_EXPR>: Likewise.
2293 (make_abnormal_goto_edges): New function extracted from...
2294 (make_goto_expr_edges): ...here. Call it for computed gotos.
2295 (simple_goto_p): Minor tweak.
2296 (tree_can_make_abnormal_goto): New predicate.
2297 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2298 (tree_purge_dead_abnormal_call_edges): New function.
2299 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2300 (tree_purge_dead_abnormal_call_edges): Likewise.
2301 (make_abnormal_goto_edges): Likewise.
2302 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2303 Purge all dead abnormal edges if the call was in the last statement.
2304 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2305 (execute_fixup_cfg): If there are non-local labels in the function,
2306 scan the basic blocks and split them at calls that can go to non-local
2307 labels or add missing abnormal call edges. Write down the CFG in the
2309 (pass_fixup_cfg): Remove TODO_dump_func flag.
2310 * unwind-sjlj.c: Poison setjmp.
2311 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2312 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2313 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2314 (DONT_USE_BUILTIN_SETJMP): Document it.
2316 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2319 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2320 to 1 when __ppc64__ is defined.
2321 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2323 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2325 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2327 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2328 * config/ia64/unwind-hpux.c: Delete.
2330 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2332 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2333 on the element before gimplifying it, instead of punting if it is of
2336 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2338 * doc/loop.texi: New file.
2339 * doc/gccint.texi: Reference loop.texi.
2340 * Makefile.in (loop.texi): Add.
2342 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2344 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2346 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2347 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2349 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2351 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2353 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2355 * doc/install.texi: Document required versions of GMP and MPFR.
2357 2006-09-27 Paul Brook <paul@codesourcery.com>
2360 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2362 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2364 * reload1.c (alter_reg): Require the alignment of the stack slot to
2365 be at least reg_max_ref_width bytes.
2366 (scan_paradoxical_subregs): Record the largest width in
2369 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2373 * tree-nested.c (struct nesting_info): Added static_chain_added.
2374 (convert_call_expr): Set static_chain_added when adding static
2375 chain. Handle OMP_PARALLEL and OMP_SECTION.
2377 2006-09-25 Matthias Klose <doko@debian.org>
2379 * doc/invoke.texi: Add missing full stop.
2381 2006-09-25 Richard Henderson <rth@redhat.com>
2383 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2384 before cgraph_function_flags_ready.
2386 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2387 Adam Nemet <anemet@caviumnetworks.com>
2389 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2390 determine_common_wider_type): New functions.
2391 (get_computation_aff): Use them to simplify arithmetic between
2392 UBASE and CBASE if they are shortened from the same type.
2394 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2397 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2398 -2147483647 - 1 instead of 0x80000000.
2400 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2402 * flags.h (HONOR_NANS): Fix typo in comment.
2404 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2406 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2408 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2412 * tree.c (merge_attributes, attribute_list_contained): If both
2413 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2415 * c-typeck.c (comptypes_internal): Don't consider aggregates
2416 in different TUs as compatible if there one set of attributes is
2417 not a subset of the other type's attributes.
2418 (composite_type): Try harder not to create a new aggregate type.
2420 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2422 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2423 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2424 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2425 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2426 than replicating condition above.
2427 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2429 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2430 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2431 the linker by default.
2433 2006-09-22 Mike Stump <mrs@apple.com>
2435 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2438 2006-09-22 Richard Guenther <rguenther@suse.de>
2441 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2442 sort of stack variables stable.
2444 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2447 * explow.c (force_reg): Set REG_POINTER flag according to
2450 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2452 PR tree-optimization/28888
2453 * tree-if-conv.c (combine_blocks): Rewritten.
2454 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2455 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2457 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2459 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2462 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2464 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2466 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2468 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2470 2006-09-21 Roger Sayle <roger@eyesopen.com>
2473 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2474 dw_fde_current_label, to be the start of the function, i.e. the same
2475 value as dw_fde_begin.
2477 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2479 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2480 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2481 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2482 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2483 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2484 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2485 (abs<mode>2, neg<mode>2): Likewise.
2486 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2487 (*mips_abs_ps): New define_insn.
2489 2006-09-20 Josh Conner <jconner@apple.com>
2492 * calls.c (expand_call): Allow reuse of structure return stack
2495 2006-09-20 Paul Brook <paul@codesourcery.com>
2497 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2500 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2502 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2503 clean up terminology.
2505 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2508 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2509 with tablejumps in them.
2511 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2514 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2515 wrap it into TARGET_EXPR.
2517 2006-09-20 Eric Christopher <echristo@apple.com>
2519 * config/i386/i386.c (x86_fisttp): Remove.
2520 * config/i386/i386.h (x86_fisttp): Ditto.
2521 (TARGET_FISTTP): Ditto.
2523 2006-09-19 Eric Christopher <echristo@apple.com>
2525 * doc/tm.texi (OBJC_JBLEN): Describe.
2526 * config/i386/darwin.h (OBJC_JBLEN): Define.
2527 * config/rs6000/darwin.h: Ditto.
2529 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2531 PR rtl-optimization/21299
2532 * reload1.c (reload): Purge invalid ASMs in the final pass.
2534 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2537 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2538 pointers as legitimate constants.
2540 2006-09-19 Paul Brook <paul@codesourcery.com>
2543 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2545 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2547 PR tree-optimization/28887
2548 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2549 component parts from the reference.
2550 (gather_memory_references_ref): Record the reference without the
2551 nonaddressable component parts.
2553 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2556 * c-opts.c (c_common_handle_option): Ignore the -std options
2557 if the input language is assembly.
2559 2006-09-17 Ira Rosen <irar@il.ibm.com>
2562 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2564 (ptr_ptr_may_alias_p): Likewise.
2565 (record_record_differ_p): New function.
2566 (base_object_differ_p): Call record_record_differ_p.
2568 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2571 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2572 away for the expr argument.
2574 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2577 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2578 before using it for dumping after vectorizing loops.
2580 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2581 Jack Howarth <howarth@bromo.med.uc.edu>
2584 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2585 skip on error_mark_node.
2586 (rs6000_darwin64_record_arg_recurse): Likewise.
2588 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2590 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2591 * doc/rtl.texi: Remove related documentation.
2593 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2595 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2598 2006-09-15 Jim Wilson <wilson@specifix.com>
2600 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2601 Handle symbol offsets same as they are handled in ia64_expand_move
2604 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2606 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2607 Add forgotten parameter to the fprintf call.
2609 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2611 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2613 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2615 * doc/contrib.texi: Add my entry.
2617 2006-09-15 Nick Clifton <nickc@redhat.com>
2619 * doc/md.texi (Processor pipeline description): Fix typo in
2620 example of how to use the absence_set directive and reword the
2621 description to make it slightly easier to read.
2623 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2625 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2626 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2627 expanding the number of iterations.
2628 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2630 * cfgrtl.c (emit_insn_at_entry): New function.
2631 * rtl.h (emit_insn_at_entry): Declare it.
2632 * integrate.c (emit_initial_value_sets): Use it.
2634 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2636 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2638 (struct loop_work and related VEC declarations): Delete.
2639 (bfin_dump_loops): Print out new member bad.
2640 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2641 (bfin_scan_loop): Don't recurse.
2642 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2643 loops. No longer need to update outer loops if the current one is
2644 found bad. Move some validitiy checks to bfin_discover_loop.
2645 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2646 but changed not to check for nesting. Also changed to use the new bad
2648 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2649 time. Use bitmap based test to discover loop nesting.
2651 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2653 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2656 2006-09-14 Richard Guenther <rguenther@suse.de>
2657 Kazu Hirata <kazu@codesourcery.com>
2659 PR middle-end/28884.
2660 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2661 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2662 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2663 with TARGET_FUNCTION_VALUE.
2665 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2668 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2670 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2672 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2675 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2678 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2681 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2683 * basic_block.h (bb_has_eh_pred): Fix comment.
2685 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2687 * flow.c (calculate_global_regs_live): Invalidate eh registers
2688 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2689 (propagate_block): Handle eh registers as if they were set at basic
2691 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2693 * global.c (global_conflicts): Make eh registers to conflict with
2694 pseudos live at basic block begin.
2695 * basic_block.h (bb_has_eh_pred): New function.
2697 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2699 PR rtl-optimization/28982
2700 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2701 index of a PRE_MODIFY or POST_MODIFY address.
2702 * reload1.c (inc_for_reload): Use find_replacement on the original
2703 base and index registers.
2705 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2707 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2708 for -Os. Update __m128 alignment requirement.
2710 2006-09-13 Jan Hubicka <jh@suse.cz>
2712 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2714 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2716 PR rtl-optimization/28243
2717 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2718 the insn to which the note was originally attached.
2720 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2721 Roger Sayle <roger@eyesopen.com>
2723 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2724 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2725 on platforms that don't use dwarf for debug info.
2727 2006-09-12 Jason Merrill <jason@redhat.com>
2730 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2731 hard_frame_pointer_rtx after using it to update the frame pointer.
2733 2006-09-12 Roger Sayle <roger@eyesopen.com>
2735 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2736 (TARGET_ASM_CLOSE_PAREN): Likewise.
2737 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2738 (TARGET_ASM_CLOSE_PAREN): Likewise.
2740 2006-09-12 Roger Sayle <roger@eyesopen.com>
2743 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2744 frame information for frames larger than 512 Kbytes on Tru64 when
2745 using the native assembler.
2747 2006-09-12 Roger Sayle <roger@eyesopen.com>
2751 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2752 and symbols. Instead use the implementation from cse.c's hash_rtx.
2754 2006-09-12 Jan Hubicka <jh@suse.cz>
2756 PR rtl-optimization/28071
2757 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2758 (vect_transform_loop): Likewise.
2759 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2760 (new_loop_vec_info): Likewise.
2761 (destroy_loop_vec_info): Likewise.
2762 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2763 (create_stmt_ann): Likewise.
2764 (create_tree_ann): Rename to ...
2765 (create_tree_common_ann): ... this one; allocate only the common part
2767 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2768 (get_value_handle): Likewise.
2769 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2770 get_tree_common_ann.
2771 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2772 (vinfo_for_stmt): Use stmt annotations.
2773 * tree-flow.h (tree_ann_common_t): New type.
2774 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2775 (tree_ann, get_tree_ann, create_tree_ann): New.
2776 * tree-flow-inline.h (get_function_ann): Do more type checking.
2777 (stmt_ann): Likewise.
2778 (tree_ann): Rename to ...
2779 (tree_common_ann): ... this one; return ony common_ann
2780 (get_tree_ann): Rename to ...
2781 (tree_common_ann): This one; return only common_ann.
2782 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2785 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2787 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2788 with_cpu by default.
2790 * dwarf2out.c (dwarf_file_data): New.
2791 (enum dw_val_class): Add dw_val_class_file.
2792 (struct dw_val_struct): Add val_file.
2793 (file_table): Change to a hash table.
2794 (file_table_emitted): Delete.
2795 (file_table_last_lookup_index): Delete.
2796 (emitcount): Delete.
2797 (last_emitted_file): New.
2798 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2799 (init_file_table): Delete.
2800 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2801 (AT_addr): Add comment.
2805 (print_die): Handle dw_val_class_file.
2806 (print_dwarf_line_table): Update for new file table structure.
2807 (attr_checksum): Do checksum a filename.
2808 (same_dw_val_p, same_attr_p): Do compare a filename.
2809 (size_of_die): Handle dw_val_class_file.
2810 (value_format): Likewise.
2811 (output_die): Likewise. Also, call maybe_emit_file here.
2812 (struct file_info): Constify filenames. Make file_idx a pointer
2813 to a struct dwarf_file_data.
2814 (struct dir_info): Constify directory names. Remove 'used' field.
2815 (struct file_name_acquire_data): New.
2816 (file_name_acquire): New.
2817 (output_file_names): Modify to handle new file data structures.
2818 (add_src_coords_attributes): Use add_AT_file.
2819 (add_call_src_coords_attributes): Likewise.
2820 (dwarf2out_imported_module_or_decl): Likewise.
2821 (gen_subprogram_die): Modify for new file data structures.
2822 (gen_variable_die): Likewise.
2823 (file_table_eq): New.
2824 (file_table_hash): New.
2825 (file_table_last_lookup): New.
2826 (lookup_filename): Rewrite to handle new file data structures.
2827 (maybe_emit_file): Rewrite to handle new file data structures.
2828 (dwarf2out_source_line): Always call lookup_filename and
2830 (dwarf2out_init): Create file_table here.
2831 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2832 (file_table_relative_p): New.
2833 (dwarf2out_finish): Change detection of relative filenames
2834 to work with new file data structures. Move output_line_info call
2835 after debug_info output.
2837 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2842 * config/i386/i386.c (override_options): Always default to 16
2843 byte stack boundary.
2845 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2848 * var-tracking.c (dump_dataflow_set): Start dumping at
2850 (clobber_variable_part): Kill only the variable part in
2851 registers holding it, leaving other variables alone.
2853 2006-09-11 Josh Triplett <josh@freedesktop.org>
2855 * doc/extend.texi (Other Builtins): Actually use the macro
2856 argument in the documentation example for
2857 __builtin_types_compatible_p.
2859 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2861 PR rtl-optimization/28726
2862 * sched-deps.c (sched_analyze_reg): New function extracted from...
2863 (sched_analyze_1): ...here. Call it to analyze references to
2864 registers. Treat again writes to a stack register as writing to the
2866 (sched_analyze_2): ...and here. Call it to analyze references to
2867 registers. Treat again reads of a stack register as reading the
2870 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2871 David Edelsohn <edelsohn@gnu.org>
2874 * config/rs6000/spe.md (frob_df_di): Remove %H.
2875 (frob_di_df): Remove %H. Change evmergelo to mr.
2876 (frob_di_df_2): Remove %H. Change evldd to two loads.
2878 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2880 * doc/cpp.texi: Fix names of charset options.
2882 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2885 * config/i386/i386.c (override_options): Use 128-bit
2886 stack boundary always for 64bits.
2888 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2890 PR rtl-optimization/28636
2891 * combine.c (force_to_mode): Test for side-effects before
2892 substituting by zero.
2893 (simplify_shift_const): Likewise for zero or other constants.
2895 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2898 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2901 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2904 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2905 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2906 returned by mode_for_size, rather than the mode of src itself,
2907 to choose between 32-bit and 64-bit patterns.
2908 (mips_mem_fits_mode_p): New function.
2909 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2910 that the size of the source matches the size of the destination.
2911 (mov_<store>l, mov_<store>r): Likewise.
2913 2006-09-10 Eric Christopher <echristo@apple.com>
2915 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2918 2006-09-09 Eric Christopher <echristo@apple.com>
2921 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2924 2006-09-09 Roger Sayle <roger@eyesopen.com>
2925 Nicolas Setton <setton@adacore.com>
2927 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2929 2006-09-10 Andreas Schwab <schwab@suse.de>
2931 * config/m68k/m68k.md (bungt_rev): New pattern.
2933 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2934 Dale Johannesen <dalej@apple.com>
2937 * regclass.c (struct reg_pref): Update documentation.
2938 (regclass): Set prefclass to NO_REGS if memory is the best option.
2939 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2941 2006-09-08 Eric Christopher <echristo@apple.com>
2943 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2944 * config/t-slibgcc-darwin: Support x86_64 multilib.
2945 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2946 Return 1 for x86_64-darwin.
2947 * config/i386/t-darwin: Add m64 multilib.
2948 (LIB2_SIDITI_CONV_FUNCS): Use.
2949 (LIB2FUNCS_EXTRA): Ditto.
2950 * config/i386/darwin.h: Support x86_64.
2951 * config/i386/i386.c (override_options): Turn on flag_pic
2952 for x86_64-darwin. Disable flag_omit_pointer.
2953 (get_pc_thunk_name): Assert !TARGET_64BIT.
2954 (legitimate_address_p): Disable machopic addressing for
2956 (legitimize_pic_address): Ditto.
2957 (ix86_expand_move): Ditto.
2958 (ix86_expand_call): Ditto.
2959 (machopic_output_stub): Ditto.
2960 * config/darwin.c (machopic_select_section): Support literal16.
2961 (machopic_select_rtx_section): Ditto.
2962 * config/darwin-sections.def: Ditto.
2963 * config/darwin-64.c: New.
2965 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2968 * c-tree.h (struct c_arg_info): Add pending_sizes.
2969 * c-parser.c (c_parser_parms_declarator,
2970 c_parser_parms_list_declarator): Initialize pending_sizes.
2971 * c-decl.c (get_parm_info): Initialize pending_sizes.
2972 (get_parm_info): Set pending_sizes.
2973 (grokdeclarator): Call put_pending_sizes for parameters for
2974 function definition only.
2976 2006-09-07 Jason Merrill <jason@redhat.com>
2979 * varasm.c (output_constant): Only strip actual no-op conversions.
2982 * config/i386/i386.c (override_options): Use 128-bit
2983 stack boundary if -msse.
2985 2006-09-07 Eric Christopher <echristo@apple.com>
2987 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2989 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2992 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2994 * dwarf2out.c: Remove strange characters from comment above
2995 dwarf2out_frame_debug_expr.
2997 2006-09-07 Eric Christopher <echristo@apple.com>
2999 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3000 * config/darwin.h: ... to here.
3002 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3004 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3006 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3007 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3009 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3010 TARGET_PARTIAL_FLAG_REG_STALL.
3011 (*ashldi3_cconly_rex64): Likewise.
3012 (*ashlsi3_cmp): Likewise.
3013 (*ashlsi3_cconly): Likewise.
3014 (*ashlsi3_cmp_zext): Likewise.
3015 (*ashlhi3_cmp): Likewise.
3016 (*ashlhi3_cconly): Likewise.
3017 (*ashlqi3_cmp): Likewise.
3018 (*ashlqi3_cconly): Likewise.
3019 (*ashrdi3_cmp_rex64): Likewise.
3020 (*ashrdi3_cconly_rex64): Likewise.
3021 (*ashrsi3_cmp): Likewise.
3022 (*ashrsi3_cconly): Likewise.
3023 (*ashrsi3_cmp_zext): Likewise.
3024 (*ashrhi3_cmp): Likewise.
3025 (*ashrhi3_cconly): Likewise.
3026 (*ashrqi3_cmp): Likewise.
3027 (*ashrqi3_cconly): Likewise.
3028 (*lshrdi3_cmp_rex64): Likewise.
3029 (*lshrdi3_cconly_rex64): Likewise.
3030 (*lshrsi3_cmp): Likewise.
3031 (*lshrsi3_cconly): Likewise.
3032 (*lshrsi3_cmp_zext): Likewise.
3033 (*lshrhi3_cmp): Likewise.
3034 (*lshrhi3_cconly): Likewise.
3035 (*lshrqi2_cmp): Likewise.
3036 (*lshrqi2_cconly): Likewise.
3038 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3041 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3042 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3043 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3044 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3045 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3046 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3047 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3048 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3049 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3050 implement only CC setting effects of shift instructions.
3052 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3054 * doc/contrib.texi: Add myself.
3056 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3059 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3060 was set by the user.
3062 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3065 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3066 (divsi_inv_m1): Use them.
3067 (UNSPEC_DIV_INV_TABLE): New constant.
3069 2006-09-06 James E Wilson <wilson@specifix.com>
3072 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3073 then call count_or_remove_death_notes.
3075 2006-09-06 Jason Merrill <jason@redhat.com>
3078 * tree-inline.c (copy_result_decl_to_var): New fn.
3079 (declare_return_variable): Use it. Call declare_inline_vars here.
3080 (expand_call_inline): Not here.
3082 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3084 * doc/contrib.texi: Update my entry.
3086 2006-09-06 Nick Clifton <nickc@redhat.com>
3088 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3090 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3093 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3094 (canonicalize_induction_variables): Likewise.
3095 (tree_unroll_loops_completely): Likewise.
3096 (tree_ssa_prefetch_arrays): Likewise.
3097 (remove_empty_loops): Likewise.
3098 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3099 TODO_cleanup_cfg instead of directly calling
3100 cleanup_tree_cfg_loop.
3101 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3103 (tree_unroll_loops_completely): Likewise.
3104 (remove_empty_loops): Likewise.
3105 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3106 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3107 of tree_ssa_unswitch_loops.
3108 (tree_ssa_loop_ivcanon): Use the return value of
3109 canonicalize_induction_variables.
3110 (tree_ssa_empty_loop): Use the return value of
3112 (tree_complete_unroll): Use the return value of
3113 tree_unroll_loops_completely.
3114 (tree_ssa_loop_prefetch): Use the return value of
3115 tree_ssa_prefetch_arrays.
3116 * passes.c (execute_todo): Before Cleanup CFG, set
3117 updating_used_alone and after cleanup CFG, call
3118 recalculate_used_alone.
3120 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3123 * tree-vect-transform.c (vectorizable_condition): Move the check
3124 for the type after the check for simple condition.
3126 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3127 Kaz Kojima <kkojima@gcc.gnu.org>
3130 * mode-switching.c (optimize_mode_switching): Make the destination
3131 block of an abnormal edge have no anticipatable mode. Don't
3132 insert mode switching code at the end of the source block of
3135 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3137 PR rtl-optimization/26847
3138 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3139 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3140 (simplify_plus_minus): Count n_constants while filling ops. Replace
3141 qsort with insertion sort. Before going through the array to simplify
3142 pairs, sort it. Delay early exit until after the first sort, exiting
3143 only if no swaps occurred. Simplify pairs in reversed order, without
3144 special-casing the first iteration. Pack ops after simplifying pairs.
3146 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3148 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3149 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3150 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3151 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3153 2006-09-05 Richard Guenther <rguenther@suse.de>
3155 PR tree-optimization/28900
3156 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3157 compound conditional before creating COND_EXPR condition.
3159 2006-09-05 Richard Guenther <rguenther@suse.de>
3161 PR tree-optimization/28905
3162 * tree-vrp.c (fix_equivalence_set): Manually implement
3163 !value_ranges_intersect_p to also handle symbolic ranges.
3165 2006-09-05 Richard Guenther <rguenther@suse.de>
3168 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3171 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3173 PR rtl-optimization/27616
3174 * cse.c (table_size): New static variable.
3175 (new_basic_block): Initialize it to 0.
3176 (remove_from_table): Decrement it.
3177 (insert): Increment it.
3178 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3179 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3180 fold_rtx_mem_1 if under the cap.
3181 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3182 the lookup of the equivalent expression and test for equality of the
3183 first operand of the equivalent expression before in turn looking up
3184 an equivalent constant for the second operand.
3186 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3189 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3190 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3191 pointer, instead of assuming it is possible to derive the
3192 correct args size from a call insn.
3194 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3197 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3198 (fold_builtin_mempcpy): Rename to...
3199 (fold_builtin_memory_op): ... this. Optimize one element copy
3201 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3203 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3204 (expand_builtin_memcpy, expand_builtin_mempcpy,
3205 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3206 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3207 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3208 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3210 2006-09-01 DJ Delorie <dj@redhat.com>
3212 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3213 (stzx_16): Likewise.
3214 ("stzx_24_<mode>"): Likewise.
3215 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3216 ("cmp<mode>_op"): New.
3217 (cmp<mode>): Change to expander; just save operands.
3219 (b<code>): Change to expander, emit compare here.
3220 (s<code>_op): Change to use split and expander.
3221 (s<code>_24_op): Likewise.
3222 (s<code>_<mode>): New.
3223 (s<code>_<mode>_24): New.
3224 (movqicc_<code>_<mode): New.
3225 (movhicc_<code>_<mode>): New.
3228 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3229 (m32c_pend_compare): New.
3230 (m32c_unpend_compare): New.
3231 (m32c_expand_scc): New.
3232 (m32c_expand_movcc): Emit the compare also.
3233 * config/m32c/predicates.md (mra_nopp_operand): New.
3235 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3236 Richard Guenther <rguenther@suse.de>
3237 Adam Nemet <anemet@caviumnetworks.com>
3240 * builtins.c (get_pointer_alignment): Handle more forms
3241 of base addresses that can be used to derive more precise
3242 information about alignment.
3244 2006-09-01 Jason Merrill <jason@redhat.com>
3247 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3250 * gimplify.c (voidify_wrapper_expr): Handle null type.
3252 2006-09-01 Josh Conner <jconner@apple.com>
3255 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3256 (execute_return_slot_opt): Use it.
3258 2006-08-31 Josh Conner <jconner@apple.com>
3261 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3262 returning aggregates.
3264 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3266 PR tree-optimization/28839
3267 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3268 blocks in that phi arguments appear.
3270 2006-08-31 Roger Sayle <roger@eyesopen.com>
3273 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3274 NULL, otherwise use an advance_loc4 to adjust relative to the
3276 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3277 (dwarf2out_switch_text_section): Reset the current label to avoid
3278 using advance_loc4 over section boundaries.
3280 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3283 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3284 r12 + SYMBOLIC_CONST.
3286 2006-08-30 Richard Guenther <rguenther@suse.de>
3288 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3290 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3292 PR rtl-optimization/27735
3293 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3294 Add new argument to keep track of whether an irreducible region
3295 was affected. All callers changed.
3296 (fix_irreducible_loops): Removed.
3297 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3298 flags were invalidated.
3300 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3302 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3303 instead of SF operands.
3304 (*fop_df_comm_sse): Likewise.
3305 (*fop_df_comm_i387): Likewise.
3306 (*fop_df_1_mixed): Likewise.
3307 (*fop_df_1_sse): Likewise.
3309 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3310 J"orn Rennecke <joern.rennecke@st.com>
3312 PR tree-optimization/17506
3313 * tree-ssa.c (warn_uninit): If warning about a location outside of
3314 the current function, note where the variable was declared.
3316 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3318 PR tree-optimization/28411
3319 * double-int.c (double_int_div): Use double_int_divmod.
3320 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3321 double_int_mod, double_int_smod, double_int_umod): New functions.
3322 * double-int.h (double_int_divmod, double_int_sdivmod,
3323 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3325 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3327 (get_computation_aff, get_computation_cost_at): Handle double_int
3328 return type of constant_multiple_of.
3330 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3333 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3334 an implicit conversion.
3336 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3338 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3340 2006-08-27 Roger Sayle <roger@eyesopen.com>
3342 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3345 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3347 * config/i386/crtfastmath.c: Fix a comment typo.
3349 2006-08-26 Roger Sayle <roger@eyesopen.com>
3351 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3352 temporary visit flags on CASE_LABEL_EXPRs.
3353 * c-common.c (match_case_to_enum): Add function comment. Avoid
3354 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3355 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3356 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3357 a constant, only warn if that constant value isn't handled.
3359 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3362 * input.h (restore_input_file_stack): Declare.
3363 (INPUT_FILE_STACK_BITS): Define.
3364 * toplev.c (fs_p, input_file_stack_history,
3365 input_file_stack_restored, restore_input_file_stack): New.
3366 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3367 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3368 (pop_srcloc): Don't free old state of stack.
3370 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3373 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3374 (PowerPC Type Attributes): New.
3376 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3378 * config/xtensa/xtensa.c (function_arg_boundary): New.
3379 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3381 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3382 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3384 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3387 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3390 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3392 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3393 (verify_local_live_at_start): Likewise.
3395 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3398 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3399 omp_add_variable): Treat sizes as variable whenever not
3402 2006-08-26 Richard Guenther <rguenther@suse.de>
3405 * fold-const.c (fold_binary): Fold temporary to correct
3406 type before constructing new comparison.
3408 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3411 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3412 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3414 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3417 * c-decl.c (start_function): Don't try to process prototype
3418 information from old declaration that isn't a function.
3420 2006-08-25 Jan Hubicka <jh@suse.cz>
3423 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3425 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3428 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3431 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3433 PR tree-optimization/16876
3434 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3435 exit if PARM doesn't match VALUE.
3437 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3439 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3440 literal_prefix directive.
3441 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3442 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3443 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3445 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3448 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3449 predicate to general_operand. Add 0->y and I->r alternatives.
3451 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3453 * doc/tm.texi: Fix a typo.
3454 * predict.c: Fix comment typos.
3456 2006-08-25 Nick Clifton <nickc@redhat.com>
3458 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3459 assertions of "cpu" and "machine".
3461 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3464 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3465 the access through a base which has an alias set of 0 cannot
3468 2006-08-24 Bill Wendling <wendling@apple.com>
3470 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3472 2006-08-24 Jan Hubicka <jh@suse.cz>
3474 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3476 2006-08-24 Jan Hubicka <jh@suse.cz>
3479 * cgraph.c: Fix comments.
3480 (cgraph_varpool_mark_needed_node): Mark only variables not already
3482 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3483 (cgraph_varpool_assembled_nodes_queue): New static variable.
3484 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3485 (cgraph_varpool_output_debug_info): New function.
3486 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3487 * Makefile.in: Add gt-cgraphunit.h
3489 2006-08-24 Jan Hubicka <jh@suse.cz>
3491 * predict.c (probability_reliable_p): New predicate.
3492 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3493 (predict_loops): Do not predict loop exit with less than 2%
3495 * basic-block.h (edge_probability_reliable_p,
3496 br_prob_note_reliable_p): Declare.
3497 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3498 prediction when static predictor is not reliable.
3499 * rs6000.c (output_cbranch): Likewise.
3501 2006-08-23 Stuart Hastings <stuart@apple.com>
3504 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3505 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3507 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3510 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3511 complex values, nor for generic vector values.
3513 2006-08-22 Richard Guenther <rguenther@suse.de>
3516 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3517 parameter. Convert arguments to arithmetic expression to the
3519 (analyze_scalar_evolution_1): Adjust caller.
3521 2006-08-22 Jan Hubicka <jh@suse.cz>
3523 Patch by Paolo Bonzini
3524 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3527 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3529 PR tree-optimization/28003
3530 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3531 before grouping aliases.
3533 2006-08-22 Roger Sayle <roger@eyesopen.com>
3535 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3536 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3538 2006-08-21 Jason Merrill <jason@redhat.com>
3541 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3542 wrapper. Loop to handle nested wrappers.
3543 (gimplify_bind_expr): Remove temp parameter.
3544 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3545 and STATEMENT_LIST on the rhs.
3546 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3547 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3548 (gimplify_target_expr): Remove special BIND_EXPR handling.
3550 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3552 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3555 2006-08-21 Olivier Hainque <hainque@adacore.com>
3557 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3558 Arrange for the temporary captures of components overlapping the lhs
3559 to happen before the lhs is possibly cleared.
3561 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3563 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3564 necessary places to pass the correct "number of registers" values
3567 2006-08-20 Jan Hubicka <jh@suse.cz>
3569 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3570 (create_name_tags): Instead of quadratic checking use hashtable.
3571 * bitmap.h: Include hashtab.h.
3572 (bitmap_hash): Declare.
3573 * bitmap.c (bitmap_hash): New function.
3575 2006-08-20 Jan Hubicka <jh@suse.cz>
3577 PR rtl-optimization/28071
3578 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3580 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3581 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3582 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3583 cgraph_decide_inlining_incrementally): Update use of
3584 cgraph_check_inline_limits.
3585 * cgraph.c (edge_hash, edge_eq): New function.
3586 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3587 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3588 cgraph_remove_node): Maintain call site hash.
3589 * cgraph.h (struct cgraph_node): Add call_site_hash.
3590 (cgraph_set_call_stmt): New function.
3592 2006-08-20 Jan Hubicka <jh@suse.cz>
3594 PR rtl-optimization/28071
3595 * reload1.c (reg_has_output_reload): Turn into regset.
3596 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3597 choose_reload_regs, emit_reload_insns): Update to new
3598 reg_has_output_reload.
3600 2006-08-20 Jan Hubicka <jh@suse.cz>
3603 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3604 function body sizes.
3605 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3607 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3610 * tree.c (handle_dll_attribute): Return early if not a
3611 var or function decl.
3613 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3616 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3617 alignment of SPE vector types.
3619 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3621 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3623 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3626 * cgraph.h (struct cgraph_node): Remove externally_visible
3628 * cgraphunit.c (process_function_and_variable_attributes): Set
3629 local.externally_visible rather than externally_visible.
3632 * c-common.c (handle_externally_visible_attribute): First look
3633 at TREE_CODE and only if it is function or var decl, check for
3634 non-public objects. Don't warn for DECL_EXTERNAL.
3635 * cgraphunit.c (process_function_and_variable_attributes): Warn
3636 if externally_visible attribute is used on non-public object.
3638 2006-08-17 Jan Hubicka <jh@suse.cz>
3640 PR tree-optimization/27865
3641 * reload1.c (forget_marked_reloads): New function.
3642 (forget_old_reloads_1): When data are passed, just mark the registers
3644 (reload_as_needed): Use the new mechanizm.
3646 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3649 * reload.h (reg_equiv_alt_mem_list): New declaration.
3650 * reload1.c (reg_equiv_alt_mem_list): New definition.
3651 (reload): Initialize it and release it.
3652 (delete_output_reload): Use it.
3653 * reload.c (push_reg_equiv_alt_mem): New function.
3654 (find_reloads_toplev): Call it.
3655 (find_reloads_address, find_reloads_address_1): Likewise.
3656 (find_reloads_subreg_address): Likewise.
3658 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3660 PR rtl-optimization/28489
3661 * sched-ebb.c (begin_schedule_ready): Create basic block
3663 (advance_target_bb): Skip empty blocks.
3664 * haifa-sched.c (bb_note): Make global.
3665 * sched-int.h (bb_note): Add prototype.
3667 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3669 PR tree-optimization/27865
3670 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3672 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3673 fold_used_pointer, pointer_used_p): New functions.
3674 (analyze_scalar_evolution_1): Use fold_used_pointer.
3675 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3676 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3679 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3682 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3683 or the INTEGER_CST. Fail on a CALL_EXPR.
3684 (fold_offsetof): Pass new argument to fold_offsetof_1.
3685 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3686 operand into an INDIRECT_REF.
3687 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3689 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3691 PR gcov/profile/26570
3692 * value-prof.c (static_values): Removed.
3693 (tree_find_values_to_profile): Do not set static_values.
3694 (find_values_to_profile): Do not free static_values.
3695 * profile.c (instrument_values): Do not free the values.
3696 (branch_prob): Free the values.
3698 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3700 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3702 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3705 * c-typeck.c (build_component_ref): Combine qualifiers of
3706 structure or union and field.
3708 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3710 PR rtl-optimization/28071
3711 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3712 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3713 * tree-into-ssa.c (struct dom_dfsnum): New.
3714 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3716 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3717 compute_global_livein.
3718 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3719 in phi nodes in the correct blocks.
3721 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3723 PR tree-optimization/28364
3724 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3726 (fold_affine_expr): New function.
3727 (may_eliminate_iv): Use fold_affine_expr.
3729 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3732 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3735 2006-08-16 Mike Stump <mrs@apple.com>
3737 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3738 * doc/cppopts.texi (-MD): Likewise.
3740 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3743 * c-common.c (handle_weak_attribute): Ignore and warn if
3744 not a FUNCTION_ or VAR_DECL.
3746 2006-07-15 Mike Stump <mrs@apple.com>
3749 * c-parser.c (c_parser_typeof_specifier): Don't use
3750 c_finish_expr_stmt, open code desired semantics instead.
3752 2006-08-15 Nick Clifton <nickc@redhat.com>
3754 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3755 fragment to tmake_file only if threads are enabled.
3756 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3757 * config/i386/t-gthr-win32: New file. ... here.
3759 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3762 * c-parser.c (c_parser_compound_statement_nostart): Reset
3763 parser->error after each statement.
3765 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3768 * omp-low.c (lower_omp_parallel): Convert t to
3769 receiver_decl's type.
3770 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3771 source before comparison.
3774 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3775 to itype in assignment to oldival2.
3777 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3781 * c-typeck.c (build_compound_expr): If the second expression
3782 is an error mark, then just return an error mark instead of
3783 creating a COMPOUND_EXPR.
3785 2006-07-14 Mike Stump <mrs@apple.com>
3787 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3789 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3791 * c-decl.c, var-tracking.c: Fix comment typos.
3793 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3795 PR rtl-optimization/28634
3796 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3797 for floating-point modes unless flag_unsafe_math_optimizations.
3799 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3800 Andrew Pinski <pinskia@physics.uc.edu>
3803 * tree.c (build_array_type): Unify array types with
3804 unspecified index_type.
3805 * c-decl.c (grokdeclarator): Make sure we do not modify a
3806 unified incomplete array type.
3807 * c-typeck.c (store_init_value): Create distinct type before
3808 filling in the index type in an initializer from a compound
3811 * c-decl.c (grokdeclarator): Remove code where we copy the
3814 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3816 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3817 into account for TODO_dump_cgraph.
3818 (TODO_update_ssa_no_phi): Likewise.
3819 (TODO_update_ssa_full_phi): Likewise.
3820 (TODO_update_ssa_only_virtuals): Likewise.
3821 (TODO_remove_unused_locals): Likewise.
3822 (TODO_set_props): Likewise.
3823 (TODO_update_stmt_usage): Likewise.
3825 2006-08-13 Dirk Mueller <dmueller@suse.de>
3827 * c-common.c (strict_aliasing_warning): Fix formatting.
3829 2006-08-13 Matthias Klose <doko@debian.org>
3831 * doc/invoke.texi: Fix spelling errors.
3833 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3835 PR rtl-optimization/23454
3836 * reorg.c (relax_delay_slots): Update comment.
3838 2006-08-11 Richard Guenther <rguenther@suse.de>
3841 * simplify-rtx.c (simplify_const_relational_operation):
3842 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3845 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3847 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3848 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3850 2006-08-10 Paul Brook <paul@codesourcery.com>
3852 * final.c (final_scan_insn): Clear current_insn_predicate before
3853 outputting inline asm.
3855 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3857 PR tree-optimization/26197
3858 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3859 get_ref_base_and_extent and overlap_subvar to add only relevant
3860 subvars as may-aliases.
3861 (add_may_alias_for_new_tag): New function, factored out of
3863 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3864 with additional argument.
3865 * tree-flow.h (new_type_alias): Takes additional argument.
3867 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3869 * gcov.c (no_data_file): New flag.
3870 (read_count_file): Set it if data file not present. Assume counts
3872 (output_lines): Don't name the data file, if there wasn't one.
3874 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3876 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3877 (rs6000_generate_compare): Tweak comments.
3878 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3880 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3882 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3883 (var_debug_decl): New function.
3884 (var_reg_set): Follow debug decl link. Add location even if
3885 reg is already known to hold some other variable.
3886 (var_mem_set): Follow debug decl link.
3887 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3888 decl link. Delete other known locations of the variable part
3890 (var_reg_delete, var_mem_delete): Delete other known locations
3891 of the variable part if requested.
3892 (same_variable_part_p): New function.
3893 (add_stores): Select MO_COPY when appropriate.
3894 (vt_initialize): Handle it.
3895 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3896 known locations for MO_SET and MO_CLOBBER.
3897 (find_variable_location_part): New function.
3898 (set_variable_part, delete_variable_part): Use it.
3899 (clobber_variable_part): New function.
3900 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3903 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3905 PR tree-optimization/26969
3906 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3907 with an empty list of PHIs.
3909 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3913 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3916 2006-08-06 Andreas Schwab <schwab@suse.de>
3918 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3919 string. Whitespace and comment fixup.
3921 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3924 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3928 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3931 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3933 2006-08-04 Jan Hubicka <jh@suse.cz>
3937 * reload.c (push_reload): Patch out the mismatching instruction;
3939 (find_reload): Bail out if the instruction was patched out.
3941 2006-08-04 Jan Hubicka <jh@suse.cz>
3943 PR tree-optimization/24888
3944 * tree-inline.c (expand_call_inline): Do not re-record variables.
3945 (declare_inline_vars): Add variable to unexpanded_var_list.
3947 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3948 Roger Sayle <roger@eyesopen.com>
3950 PR rtl-optimization/26244
3951 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3952 inner_const are negative or greater than or equal to the bitsize of
3953 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3954 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3955 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3956 CONST0_RTX (mode) when the new shift count is greater than or equal to
3957 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3960 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3962 * tree-cfg.c: Fix a comment typo.
3964 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3967 * varasm.c (output_constant): Give the front end another chance to
3968 expand constants, after stripping NOPs.
3970 2006-08-03 Jan Hubicka <jh@suse.cz>
3972 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3975 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3977 PR tree-optimization/27770
3978 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3979 declaration removed (moved to tree-flow.h).
3980 (vect_can_force_dr_alignment_p): Likewise.
3981 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3982 (moved from tree-vectorizer.h).
3983 (vect_can_force_dr_alignment_p): Likewise.
3984 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3985 from outside the vectorizer - in particular from cgraph stage.
3986 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3987 the alignment of global arrays when -fsection-anchors is enabled.
3988 * cgraphunit.c (cgraph_increase_alignment): New function.
3989 (cgraph_optimize): Call cgraph_increase_alignment.
3991 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3994 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3995 not reload a SPE symbol_ref into a lo_sum address.
3997 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4000 * dwarf2out.c (prune_unused_types_prune): Move call to
4001 prune_unused_types_update_strings to cover the parent DIE also.
4003 2006-08-02 Jan Hubicka <jh@suse.cz>
4005 PR gcov/profile/28480
4006 * tree-cfg.c (change_bb_for_stmt): New function.
4007 (tree_merge_blocks, tree_split_blocks): Use it.
4009 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4015 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4016 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4017 (cgraph_optimize): Likewise.
4019 2006-08-01 Stuart Hastings <stuart@apple.com>
4021 * rtl.h (UINTVAL) New.
4022 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4023 * testsuite/gcc.dg/20060801-1.c: New.
4025 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4028 * c-typeck.c (build_external_type): Mark used enum types.
4029 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4031 (gen_subprogram_die): Whitespace fix.
4033 2006-08-01 Jan Hubicka <jh@suse.cz>
4035 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4036 bitmap when not needed.
4037 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4040 2006-08-01 Dirk Mueller <dmueller@suse.de>
4042 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4044 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4046 * Makefile.in: Revert part of previous patch:
4047 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4050 2006-07-30 Eric Christopher <echristo@apple.com>
4053 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4054 (PowerPC Variable Attributes): New section.
4056 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4058 PR target/28126 (partial fix)
4059 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4061 2006-07-28 Jan Hubicka <jh@suse.cz>
4063 PR rtl-optimization/28071
4064 * cfgrtl.c (rtl_delete_block): Free regsets.
4065 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4067 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4069 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4070 and variables used in dependencies.
4072 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4074 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4075 %fs for -mcmodel=kernel.
4076 (stack_tls_protect_test_di): Likewise.
4078 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4080 * Makefile.in: Use mkinstalldirs.
4082 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4085 * opts-common.c (prune_options): Skip joined switches.
4087 2006-07-27 Jan Hubicka <jh@suse.cz>
4089 PR rtl-optimization/28071
4090 * cselib.c (cselib_process_insn): Don't remove useless values too
4091 often for very large hashtables.
4093 2006-07-27 Jan Hubicka <jh@suse.cz>
4095 PR rtl-optimization/28071
4096 * global.c (greg_obstack): New obstack.
4097 (allocate_bb_info): Use it.
4098 (free_bb_info): Likewise.
4099 (modify_reg_pav): Likewise.
4101 2006-07-27 Roger Sayle <roger@eyesopen.com>
4103 * builtins.c (fold_fixed_mathfn): When long and long long are the
4104 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4105 functions to their lceil*, lfloor*, lround* and lrint* forms.
4107 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4110 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4112 (rev_branch_insn): Likewise.
4114 2006-07-27 Jan Hubicka <jh@suse.cz>
4116 PR rtl-optimization/28071
4117 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4118 (reg_set_in_bb, max_reg_computed): New static variables.
4119 (regmove_optimize): Free the new array.
4120 (fixup_match_1): Update call of reg_is_remote_constant_p.
4122 2006-07-26 Jan Hubicka <jh@suse.cz>
4124 PR tree-optimization/27882
4125 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4127 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4129 (cgraph_analyze_compilation_unit): Likewise.
4130 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4131 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4132 (cgraph_early_inlinine): Make order garbage collected.
4133 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4135 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4137 * dbxout.c (output_types_sort): Add a comment.
4138 (output_used_types): Free the VEC.
4140 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4142 * function.c (reorder_fix_fragments): Delete.
4143 (reorder_blocks): Don't call it.
4144 (reorder_blocks_1): Put all subblocks under the origin block.
4146 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4148 PR rtl-optimization/27907
4149 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4152 2006-07-25 Roger Sayle <roger@eyesopen.com>
4155 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4156 bar(x) check that bar's result type can represent all the values of T.
4158 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4160 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4162 2006-07-25 Nick Clifton <nickc@redhat.com>
4164 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4165 size_lookup[] array.
4166 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4167 (ggc_pch_count_object): Likewise.
4168 (ggc_pch_alloc_object): Likewise.
4169 (ggc_pch_write_object): Likewise.
4170 (init_ggc): Do not attempt to initialize entries in the
4171 size_lookup[] array for objects whose size is greater than than
4172 the length of the array.
4174 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4176 * dbxout.c (output_used_types_helper): Push queued types
4178 (output_types_sort): New.
4179 (output_used_types): Collect used types on a VEC and sort them
4182 2006-07-24 Richard Guenther <rguenther@suse.de>
4185 * cgraph.c (cgraph_remove_node): Do not check if dumps
4187 * cgraphunit.c (cgraph_optimize): Likewise.
4189 2006-07-24 Jan Hubicka <jh@suse.cz>
4191 PR rtl-optimization/28071
4192 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4193 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4194 splitting before first stmt.
4196 2006-07-24 Jan Hubicka <jh@suse.cz>
4198 PR rtl-optimization/28071
4199 * ipa-inline.c (update_caller_keys): Remove edges that
4200 are no longer inline candidates.
4202 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4205 * dbxout.c (output_used_types_helper, output_used_types): New.
4206 (dbxout_symbol): Call output_used_types.
4208 2006-07-23 Jan Hubicka <jh@suse.cz>
4212 * cgraph.c (cgraph_varpool_nodes): Export.
4213 (decide_is_variable_needed): Ignored "used" attribute in
4214 unit-at-a-time mode.
4215 * cgraph.h (cgraph_varpool_nodes): Declare.
4216 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4217 unit-at-a-time mode.
4219 2006-07-23 Roger Sayle <roger@eyesopen.com>
4222 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4223 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4224 the __gthrw form of thr_keycreate.
4225 (__gthread_key_delete): Silence the unused argument warning.
4227 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4230 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4231 Cache the last found '\0' marker to avoid quadratic behavior.
4233 2006-07-23 Jan Hubicka <jh@suse.cz>
4235 * i386.md (subsi_3_zext): Fix output template.
4237 2006-07-21 Mike Stump <mrs@apple.com>
4239 * doc/invoke.texi (C++ Dialect Options): Note that
4240 -fvisibility-inlines-hidden doesn't affect explicitly
4241 instantiationed inline methods.
4243 2006-07-20 Roger Sayle <roger@eyesopen.com>
4245 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4246 if the target assembler is GNU binutils' gas.
4247 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4248 whether to pass GNU gas or native as command line options.
4250 2006-07-20 Jason Merrill <jason@redhat.com>
4252 * tree.c (remove_attribute): New fn.
4253 * tree.h: Declare it.
4255 2006-07-20 Paul Brook <paul@codesourcery.com>
4258 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4259 they are invalidated by this instruction.
4261 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4264 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4266 2006-07-20 Eric Christopher <echristo@apple.com>
4269 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4271 2006-07-19 Eric Christopher <echristo@apple.com>
4273 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4274 Rewrite dependencies for libgcc_s.1.dylib.
4276 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4278 * except.c (duplicate_eh_regions_1): Clear next_peer.
4280 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4282 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4283 -mlongcall does not guarantee all calls will be long.
4284 * doc/extend.texi (long_call/short_call): Document that longcall
4285 does not guarantee a long call will be used.
4286 (longcall/shortcall): Likewise.
4288 2006-07-18 Roger Sayle <roger@eyesopen.com>
4291 * expmed.c (expand_shift): Additionally check that the shift_cost
4292 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4293 before implementing a LSHIFT_EXPR as a sequence of additions.
4294 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4295 middle-end that DImode shifts need to be synthesized by expand.
4297 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4300 * tree-ssa-operands.c (access_can_touch_variable): Update
4302 Return true if ALIAS is .GLOBAL_VAR.
4304 2006-07-18 David Daney <ddaney@avtrex.com>
4306 * gcc.c (display_help): Fix typo in help text.
4308 2006-07-18 Olivier Hainque <hainque@adacore.com>
4310 * tree.h (categorize_ctor_elements): Adjust prototype and add
4311 descriptive comment, both in accordance with the interface change
4313 * varasm.c (constructor_static_from_elts_p): New function.
4314 Whether a constructor node is a valid static constant initializer
4315 if all its elements are.
4316 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4317 * output.h: Declare it.
4318 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4319 is a valid constant initializer instead of computing the number of
4320 non-constant elements. Use constructor_static_from_elts_p for this
4321 purpose. Replace the head comment with an indication that this is a
4322 helper for categorize_ctor_elements.
4323 (categorize_ctor_elements): Same interface change as for the _1
4324 helper. Former head comment from this helper moved here, adjusted to
4325 account for the interface changes.
4326 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4327 (all_zeros_p): Likewise.
4328 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4329 static versions of the constructor from the categorize_ctor_elements
4330 return value instead of the formerly computed number of non-constant
4333 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4335 * configure: Regenerate.
4336 * Makefile.in (build_libsubdir): New configure substitution
4337 (build_libobjdir): New variable.
4338 (BUILD_LIBIBERTY): Use it.
4340 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4343 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4345 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4348 * c-common.c (handle_weakref_attribute): Ignore attribute in
4349 the same conditions the alias attribute is ignored.
4351 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4353 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4354 (dbxout_begin_prologue): Increment scope_labelno.
4356 2006-07-17 Richard Henderson <rth@redhat.com>
4359 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4362 2006-07-17 Roger Sayle <roger@eyesopen.com>
4363 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4365 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4366 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4367 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4368 functions such as sbrk, write, etc.. Add function prototypes.
4369 Convert function declarations from K&R to ISO C. Cast pointers
4370 to "long" and "unsigned long" instead of "int" and "unsigned int".
4371 Convert tokens following #endif into comments.
4373 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4375 * invoke.texi: Remove mention of f77; Reformat table for
4376 inline parameter options correctly; mention that -malign-double
4377 is default on x86-64 targets.
4379 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4381 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4382 (convert_affine_scev, chrec_convert_aggressive): Use
4383 avoid_arithmetics_in_type_p. Do not check for the subtypes
4386 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4389 * optabs.c (expand_doubleword_shift): Wrap the call to
4390 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4392 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4395 * optabs.c (expand_binop): Pass next_methods rather than methods
4396 to expand_doubleword_shift.
4398 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4401 * tree.h (dump_addr): Declare.
4402 * print-tree.c (dump_addr): New function.
4403 (print_node_brief, print_node): Use it.
4404 * print-rtl.c (print_rtx): Likewise.
4405 * common.opt (-fdump-noaddr): New option.
4406 * doc/invoke.texi (-fdump-noaddr): Document.
4407 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4408 (ve_info_hash): Likewise.
4410 2006-07-13 Andrew Haley <aph@redhat.com>
4412 PR tree-optimization/19505
4413 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4414 edge leaving this block, make sure that the destination of this
4415 block has only one predecessor.
4417 2006-07-17 Richard Guenther <rguenther@suse.de>
4419 PR tree-optimization/28238
4420 * tree-inline.c (copy_bb): Check if we produced valid
4421 gimple copying and substituting a stmt. If not, gimplify
4424 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4426 * optabs.c (maybe_encapsulate_block): New function extracted from...
4427 (emit_libcall_block): ...here. Invoke it on the block of insns to
4428 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4429 (emit_no_conflict_block): Likewise.
4431 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4433 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4435 2006-07-15 Roger Sayle <roger@eyesopen.com>
4437 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4438 a new NOP_EXPR case of the switch statement.
4440 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4443 * stor-layout.c (place_field): Take the bit field with
4444 an excessive size into account in the ms-bitfiled case.
4447 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4448 the previous bit field.
4450 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4453 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4455 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4457 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4458 signal frames correctly even when the signal was installed with
4461 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4463 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4464 (dbxout_function_end): Use local label LFBB. Remove hook
4466 (dbxout_source_line): Use local label LFBB.
4467 (dbxout_block): Likewise.
4468 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4469 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4470 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4471 and DBX_OUTPUT_NFUN.
4473 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4475 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4477 2006-07-13 Jan Hubicka <jh@suse.cz>
4479 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4481 * output.h (align_variable): Declare.
4482 * varasm.c (align_variable): Export.
4483 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4484 when basic block changed.
4486 2006-07-13 Nick Clifton <nickc@redhat.com>
4488 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4489 walking the LOG_LINKS chain.
4491 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4493 * doc/invoke.texi (C++ Dialect Options): Explain difference
4494 between -fvisibility-inlines-hidden and setting hidden
4495 visibility explicitly.
4497 2006-07-12 Eric Christopher <echristo@apple.com>
4499 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4500 (stmp-lipo): Depend on libgcc.a.
4502 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4504 * tree.c: Fix a comment typo.
4506 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4508 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4510 (umulhisi3_r): Likewise.
4512 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4515 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4516 x < 19, vs wchar_t support.
4518 2006-07-12 Nick Clifton <nickc@redhat.com>
4520 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4521 instead of -isa=sh4.
4523 2006-07-12 Mike Stump <mrs@apple.com>
4525 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4527 2006-07-10 Eric Christopher <echristo@apple.com>
4529 * config/t-slibgcc-darwin: Rewrite.
4531 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4534 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4537 2006-07-08 Matthias Klose <doko@debian.org>
4539 * doc/sourcebuild.texi: Fix typo.
4541 2006-07-07 Mike Stump <mrs@apple.com>
4543 * toplev.c (process_options): Don't give -ffunction-sections may
4544 affect debugging warning for Mach-O.
4546 2006-07-07 James E Wilson <wilson@specifix.com>
4548 * config/mips/mips.md (cpu): Add sb1a.
4549 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4550 addition to sb1. Adjust comments to clarify SB-1A differences from
4552 (ir_sb1a_load): New. Modify bypasses to use it.
4553 (ir_sb1a_simple_alu): Likewise.
4554 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4555 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4556 (mips_issue_rate): Add PROCESSOR_SB1A.
4557 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4558 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4559 (TARGET_SB1): Add PROCESSOR_SB1A check.
4560 (TUNE_SB1): Likewise.
4562 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4563 * config/mips/mips.c (mips_store_data_bypass_p): New.
4564 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4565 store_data_bypass_p.
4567 2006-07-08 Paul Brook <paul@codesourcery.com>
4570 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4572 2006-07-07 Richard Guenther <rguenther@suse.de>
4575 * tree.h (build_one_cst): Declare.
4576 * tree.c (build_one_cst): New function.
4577 * tree-ssa-math-opts.c (get_constant_one): Remove.
4578 (insert_reciprocals): Use build_one_cst.
4579 * fold-const.c (fold_plusminus_mult): Likewise.
4581 2006-07-07 Roger Sayle <roger@eyesopen.com>
4583 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4584 * cfgloopanal.c (dump_graph): Likewise.
4585 * dojump.c (discard_pending_stack_adjust): Likewise.
4586 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4588 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4589 * function.c (finalize_block_changes): Likewise.
4590 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4591 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4592 * rtl.c (dump_rtx_statistics): Likewise.
4593 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4595 * varray.c (dump_varray_statistics): Likewise.
4596 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4597 decode_decimal64, encode_decimal128, decode_decimal128,
4598 decimal_real_to_decimal): Likewise.
4600 2006-07-07 Richard Guenther <rguenther@suse.de>
4602 PR tree-optimization/28187
4603 * tree-vrp.c (vrp_operand_equal_p): New function.
4604 (vrp_bitmap_equal_p): Likewise.
4605 (update_value_range): Use them to compare old and new
4608 2006-07-06 Roger Sayle <roger@eyesopen.com>
4610 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4611 a default case to switch statement to silence compiler warnings.
4613 2006-07-06 Roger Sayle <roger@eyesopen.com>
4616 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4617 the configured assembler supports the x87's ffreep mnemonic.
4618 * configure: Regenerate.
4619 * config.in: Regenerate.
4621 * config/i386/i386.c (output_387_ffreep): New function.
4622 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4623 (output_387_reg_move): Likewise.
4625 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4627 Port to hosts whose 'sort' and 'tail' implementations
4628 treat operands with leading '+' as file names, as POSIX
4629 has required since 2001. However, make sure the code still
4630 works on pre-POSIX hosts.
4631 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4632 which says you should use "tail -c +N" rather than "tail +Nc".
4633 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4635 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4637 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4640 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4643 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4644 PRE_{INC,DEC} of TFmode.
4646 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4647 Alan Modra <amodra@bigpond.net.au>
4650 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4653 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4656 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4657 Remove duplicate gtu.
4659 2006-07-05 Jason Merrill <jason@redhat.com>
4663 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4664 * c-common.c (handle_packed_attribute): So don't copy it here.
4665 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4667 2006-07-05 Mike Stump <mrs@apple.com>
4669 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4671 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4674 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4676 2006-07-05 Richard Guenther <rguenther@suse.de>
4679 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4680 TARGET_SSE2 targets if using SSE math.
4681 (*absdf2_1): Likewise.
4683 2006-07-05 Richard Guenther <rguenther@suse.de>
4685 PR tree-optimization/28162
4686 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4687 make sure to convert the operands to the correct type.
4689 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4691 PR tree-optimization/28218
4693 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4694 to calculate and free the dominator information.
4696 2006-07-04 Peter O'Gorman <peter@pogma.com>
4698 * mklibgcc.in: chmod 644 before ranlib during install.
4700 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4701 J"orn Rennecke <joern.rennecke@st.com>
4703 * configure.ac (.eh_frame data check): Use diff -b.
4705 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4708 * Makefile.in (BUILD_RTL): Add build/vec.o.
4709 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4710 (build/genextract): Delete.
4711 (build/genautomata): Likewise.
4713 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4716 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4717 128-bit IBM long doubles for ABI_V4.
4719 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4721 * tree.c (range_in_array_bounds_p): New predicate.
4722 * tree.h (range_in_array_bounds_p): Declare it.
4723 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4724 return a less conservative answer.
4725 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4726 and flag 'is_group'.
4727 (IS_ELEMENT_FOR_GROUP): New macro.
4728 (FOR_EACH_ACTUAL_CHILD): Likewise.
4729 (next_child_for_group): New helper function.
4730 (can_completely_scalarize_p): Take into account groups.
4731 (sra_hash_tree): Handle RANGE_EXPR.
4732 (sra_elt_eq): Likewise.
4733 (lookup_element): Be prepared for handling groups.
4734 (is_valid_const_index): Delete.
4735 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4736 instead of is_valid_const_index.
4737 <ARRAY_RANGE_REF>: New case.
4738 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4739 is_valid_const_index.
4740 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4741 (scan_dump): Dump info for groups too.
4742 (decide_instantiation_1): Likewise.
4743 (decide_block_copy): Assert that the element is not a group.
4744 Propagate decision to groups.
4745 (generate_one_element_ref): Handle RANGE_EXPR.
4746 (mark_no_warning): Iterate over actual childs.
4747 (generate_copy_inout): Likewise.
4748 (generate_element_copy): Likewise.
4749 (generate_element_zero): Likewise.
4750 (generate_element_init_1): Likewise.
4751 (dump_sra_elt_name): Handle RANGE_EXPR.
4753 2006-07-03 Roger Sayle <roger@eyesopen.com>
4755 PR tree-optimization/26251
4756 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4757 (thread_block): When optimizing for size refuse to thread jumps
4758 that would require duplication of blocks other than redirection
4761 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4763 * configure.ac: Fix thinko in previous check-in.
4764 * configure: Regenerate.
4766 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4769 * configure.ac (for lang...): Simplify nesting of conditionals.
4770 Test subdir_requires for non-enabled languages. Move processing
4771 of lang_opt_files and lang_tree_fiels below that test.
4772 * configure: Regenerate.
4773 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4775 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4777 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4779 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4781 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4784 2006-06-29 Jason Merrill <jason@redhat.com>
4791 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4792 * c-common.c (c_determine_visibility): Handle it here.
4793 * c-decl.c (finish_decl): Call c_determine_visibility for
4795 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4797 * varasm.c (default_assemble_visibility): Likewise.
4798 * c-common.c (handle_visibility_attribute): Complain about trying
4799 to give visibility to an already defined class, or trying to change
4800 declared visibility. Always attach the attribute.
4805 * attribs.c (decl_attributes): Ignore type-in-place attributes
4806 once the type has been defined.
4808 2006-06-29 Roger Sayle <roger@eyesopen.com>
4811 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4812 to indicate the cpplib has issued an error message for us.
4814 2006-06-29 Asher Langton <langton2@llnl.gov>
4817 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4818 insert a label at the end of an function under Mach-O.
4820 2006-06-29 Eric Christopher <echristo@apple.com>
4821 Evan Cheng <evan.cheng@apple.com>
4823 * predicates.md (vector_all_ones_operand): New.
4824 (nonimmediate_or_sse_const_operand): Ditto.
4825 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4826 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4827 (standard_sse_mode_p): Ditto.
4828 (standard_sse_constant_p): Add case for -1 vector.
4829 (ix86_expand_vector_move): Try to use.
4830 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4831 Call standard_sse_constant_opcode.
4832 (*movv4sf_internal): Ditto.
4833 (*movv2df_internal): Ditto.
4835 2006-06-29 Roger Sayle <roger@eyesopen.com>
4837 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4838 of XEXP to extract the operands of a MATCH_CODE rtx.
4840 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4842 * tree.c (tree_size): Do not waste tail padding in
4843 struct tree_string and make the size be the same as
4844 build_string will generate.
4846 2006-06-28 Jason Merrill <jason@redhat.com>
4849 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4850 may_aliases already in the tag's annotations to the bitmap.
4852 2006-06-28 Roger Sayle <roger@eyesopen.com>
4854 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4856 2006-06-28 Roger Sayle <roger@eyesopen.com>
4858 * genpreds.c (generate_switch_p): New function.
4859 (add_mode_tests): Push the new mode test down inside an AND expr
4860 if this allows the switch-suitable MATCH_CODE to be near the root.
4861 (write_match_code_switch): New function to write a MATCH_CODE as
4863 (write_predicate_stmts): New function to write a predicate RTX
4864 expression as a sequence of statements.
4865 (write_one_predicate_function): Use write_predicate_stmts.
4866 (write_tm_constrs_h): Likewise.
4868 2006-06-26 Fred Fish <fnf@specifix.com>
4870 * config/mips/t-sb1: New file.
4871 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4874 2006-06-26 DJ Delorie <dj@redhat.com>
4876 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4878 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4879 Jayant Sonar <jayants@kpitcummins.com>
4880 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4882 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4883 (subsi3, subsi3_1, subsi3_2): New.
4884 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4885 * config/m32c/mov.md (SI mov peephole): New.
4886 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4887 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4889 2006-06-26 Olivier Hainque <hainque@adacore.com>
4891 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4892 a CALL_EXPR target function declaration.
4894 2006-06-26 Richard Guenther <rguenther@suse.de>
4896 * tree.c (build_string): Do not waste tail padding in
4899 2006-06-26 Richard Guenther <rguenther@suse.de>
4901 * ggc-page.c (init_ggc): Add missing element to size_lookup
4905 2006-06-23 Richard Guenther <rguenther@suse.de>
4907 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4908 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4909 alignment requests instead. Add verification code.
4910 Add struct tree_function_decl and struct tree_binfo size to
4911 extra_order_size_table. Add missing element to size_lookup
4914 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4917 * fold-const.c (const_binop): Be prepared for self returning zero.
4918 Simplify code handling complex values.
4920 2006-06-24 Olivier Hainque <hainque@adacore.com>
4922 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4923 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4926 2006-06-24 Olivier Hainque <hainque@adacore.com>
4928 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4929 ARRAY_REF, so have the callback called for the low bound expression.
4931 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4933 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4934 * c-typeck.c (c_common_type): Disallow operations on decimal float
4935 types and other float types.
4936 * convert.c (convert_to_real): Don't ignore conversions involving
4937 decimal float types.
4939 2006-06-23 Olivier Hainque <hainque@adacore.com>
4941 * tree.c (max_int_size_in_bytes): New function, inspired from
4942 code in function.c:assign_temp.
4943 * tree.h (max_int_size_in_bytes): Declare.
4944 * function.c (assign_temp): Use it.
4945 * gimplify.c (create_tmp_var): Relax the assertions on the type
4946 properties, not mandating constant size any more.
4947 (force_constant_size): New static function.
4948 (gimple_add_tmp_var): Use it, forcing variable size to a
4949 constant upper bound if it is not constant on entry.
4951 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4954 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4955 for initialization and setting of one_only flag to ...
4956 (i386_pe_encode_section_info): ...here.
4957 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4958 Recheck that the symbol has not been defined.
4960 2006-06-23 Richard Guenther <rguenther@suse.de>
4962 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4963 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4964 alignment requests instead. Add verification code.
4965 Add struct tree_function_decl and struct tree_binfo size to
4966 extra_order_size_table. Add missing element to size_lookup
4969 2006-06-22 Roger Sayle <roger@eyesopen.com>
4970 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4973 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4974 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4976 2006-06-23 Ben Elliston <bje@au.ibm.com>
4978 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4979 negate dn -- manipulate it directly.
4981 2006-06-22 Roger Sayle <roger@eyesopen.com>
4982 Steven Bosscher <stevenb.gcc@gmail.com>
4985 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4986 generated by gen_move_insn to add REG_LABEL notes if necessary.
4988 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4990 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4991 (leaf_entry): Remove use of MIN_ESA.
4993 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4995 PR rtl-optimization/28121
4996 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4999 2006-06-21 DJ Delorie <dj@redhat.com>
5001 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5003 (mulhisi3_r): Likewise.
5005 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5008 * coverage.c (coverage_counter_alloc): Leave the index type
5010 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5013 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5015 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5016 section from the "Options for Code Generation Conventions".
5018 2006-06-21 Richard Henderson <rth@redhat.com>
5022 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5024 (global_symbolic_operand): Allow weak symbols, even if local_p.
5026 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5028 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5029 (find_interesting_uses_address): Punt if above function returns true.
5031 2006-06-21 Richard Guenther <rguenther@suse.de>
5033 * configure: Regenerated.
5035 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5037 * config/mips/mips.c (function_arg): Where one part of a
5038 complex argument is in registers and the other part in the stack,
5039 return a REG not a PARALLEL.
5041 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5043 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5044 when cross-compiling. Do not substitute libstdcxx_incdir.
5045 * configure: Regenerated.
5047 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5049 * varasm.c (mergeable_string_section): Check for embedded NULs and
5050 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5051 rather than TREE_STRING_LENGTH bytes.
5053 2006-06-21 Richard Guenther <rguenther@suse.de>
5055 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5056 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5059 2006-06-21 Richrad Guenther <rguenther@suse.de>
5061 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5062 Limit iteration over the dominators.
5064 2006-06-20 Roger Sayle <roger@eyesopen.com>
5066 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5067 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5069 2006-06-20 Richard Guenther <rguenther@suse.de>
5070 Michael Matz <matz@suse.de>
5072 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5074 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5075 * et-forest.h (et_free_pools): Prototype new function.
5076 * et-forest.c (et_free_tree_force): Free parent occurrence.
5077 (et_free_pools): New function.
5078 * dominance.c (free_dominance_info): Free et-forest alloc
5081 2006-06-20 Roger Sayle <roger@eyesopen.com>
5083 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5084 integer modes, attempt to directly construct an integer constant.
5086 * fold-const.c (native_encode_vector): Determine the size of each
5087 element from the vector type instead of the first vector element.
5089 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5090 if all of its elements/components are constant.
5091 (build_constructor_from_list): Likewise.
5093 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5095 PR tree-optimization/27331
5096 * tree-data-ref.c (free_data_ref): New function.
5097 (create_data_ref): Fail if the data reference has unknown access
5099 (free_data_refs): Use free_data_ref.
5101 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5104 * tree-inline.c (setup_one_parameter): Strip useless
5105 type conversion before adding it to the IR.
5106 (declare_return_variable): Likewise.
5108 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5111 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5113 2006-06-19 Mike Stump <mrs@apple.com>
5115 * tree.c (variably_modified_type_p): VM arguments don't make the
5118 2006-06-19 Richard Guenther <rguenther@suse.de>
5120 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5121 type conversions after folding.
5123 2006-06-19 Richard Guenther <rguenther@suse.de>
5125 * ggc-page.c (extra_order_size_tab): Add entries with
5126 size of struct function and basic_block.
5127 (size_lookup): Extend to cover sizes up to 511.
5128 (ggc_alloc_stat): Adjust user.
5129 (ggc_pch_count_object): Likewise.
5130 (ggc_pch_alloc_object): Likewise.
5131 (ggc_pch_write_object): Likewise.
5133 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5135 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5136 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5139 2006-06-19 Denis Chertykov <denisc@overta.ru>
5141 * config/avr/libgcc.S : Correct my wrong previous commit.
5143 2006-06-19 Roger Sayle <roger@eyesopen.com>
5146 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5147 have stripped a SUBREG from the shift count, so we may need to
5148 convert_to_mode back to the type's mode before calling make_tree.
5149 Use new_amount instead of amount to avoid expanding a tree twice.
5151 2006-06-19 Richard Guenther <rguenther@suse.de>
5154 * fold-const.c (operand_equal_p): Check if the argument types
5155 have the same precision before stripping NOPs.
5157 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5159 Fix PR tree-optimization/27341
5160 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5162 * tree-complex.c (pass_lower_complex): Update SMT usage.
5164 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5166 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5167 Add a new alternative to the constraint strings. Add move of
5168 operand 1 to 3 to the splitter definition.
5169 ("doloop_si_long"): Second contraint alternative removed.
5171 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5173 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5174 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5176 (AVR_HAVE_MOVW) Define.
5177 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5178 (ASM_SPEC): Add avr25.
5179 (LINK_SPEC): Add avr25.
5180 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5181 (base_arch_s): Add new member 'have_movw_lpmx'.
5182 (avr_arch_types): Init 'have_movw_lpmx'.
5183 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5184 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5185 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5186 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5187 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5189 (avr_file_start): Do not output '.arh' derective.
5190 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5191 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5192 * config/avr/avr.md (mcu_enhanced): Delete.
5193 (mcu_have_movw): Define.
5194 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5195 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5196 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5197 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5198 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5199 attiny861 and at86rf401 devices.
5201 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5203 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5206 2006-06-17 Karl Berry <karl@gnu.org>
5208 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5209 doc/gccint.texi, doc/install.texi (@dircategory): Use
5210 "Software development" instead of "Programming", following
5211 the Free Software Directory.
5213 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5215 * config/i386/i386.c (legitimate_tls_address)
5216 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5217 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5218 (*tls_dynamic_gnu2_combine_64): Likewise.
5220 2006-06-16 Richard Guenther <rguenther@suse.de>
5223 * fold-const.c (negate_expr_p): Do not introduce undefined
5224 overflow in negating INTEGER_CSTs.
5225 (fold_negate_expr): Rename from negate_expr. Revert last
5226 change for folding BIT_NOT_EXPR. Change semantics to
5227 return NULL_TREE for non-simplified negations. Do not
5228 strip type conversions and unify type handling.
5229 (negate_expr): New function, wrap around fold_negate_expr
5230 but ensure building a tree always. Strip type conversions
5231 here, fold to result type.
5232 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5234 2006-06-16 Roger Sayle <roger@eyesopen.com>
5237 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5238 that (would) return their results in stack registers.
5240 2006-06-16 Michael Matz <matz@suse.de>
5241 Richard Guenther <rguenther@suse.de>
5243 * fold-const.c (fold_truthop): Only return new tree node if
5244 we canonicalized something.
5246 2006-06-16 Richard Guenther <rguenther@suse.de>
5248 * function.h (enum function_frequency): Move declaration
5249 out of struct function.
5250 (struct function): Move bool fields and the enum to the bitfield
5251 section. Reorder elements to avoid padding. Remove unused
5252 fields left over from the RTL inliner removal.
5253 * function.c (free_after_compilation): Do not zero removed fields.
5254 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5255 (ipa-type-escape.o): Likewise.
5257 2006-06-16 Richard Guenther <rguenther@suse.de>
5259 * cgraph.h (struct cgraph_local_info): Turn bool elements
5261 (struct cgraph_node): Likewise.
5262 (struct cgraph_varpool_node): Likewise.
5264 2006-06-15 Richard Guenther <rguenther@suse.de>
5266 * fold-const.c (fold_truth_not_expr): Rename from
5267 invert_truthvalue. Give it fold_* semantics to avoid
5269 (invert_truthvalue): New function. Wrapper around
5270 fold_truth_not_expr.
5271 (optimize_minmax_comparison): Avoid creating garbage.
5272 (fold_unary): Use fold_truth_not_expr for folding
5274 (fold_ternary): Replace uses of invert_truthvalue with
5275 fold_truth_not_expr where applicable.
5276 * tree.h (fold_truth_not_expr): Prototype.
5278 2006-06-16 Richard Guenther <rguenther@suse.de>
5280 PR tree-optimization/27781
5281 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5282 * ipa-pure-const.c (target.h): Include.
5283 (analyze_function): Do not analyze functions that do not
5286 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5289 * tree-dfa.c (referenced_vars_dup_list): Remove.
5290 (find_referenced_vars): Remove assert.
5291 (referenced_var_check_and_insert): Replace dup list with assert.
5292 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5293 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5295 2006-06-15 Richard Guenther <rguenther@suse.de>
5297 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5298 extra unused identifiers if not dumping.
5299 (create_variable_info_for): Likewise.
5301 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5303 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5304 (derive_constant_upper_bound): Derive more precise upper bound in
5305 common cases. Return type changed to double_int.
5306 (record_estimate): Reflect the changed return type of
5307 derive_constant_upper_bound.
5308 * double-int.c (double_int_zext, double_int_sext): Fix.
5310 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5312 * configure.ac (CFLAGS): Get them from the toplevel or from the
5313 configure invocation.
5314 * configure: Regenerate.
5315 * Makefile.in (CFLAGS): Substitute value provided by configure.
5317 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5320 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5321 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5322 rather than calling add_stmt on it.
5323 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5325 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5328 * reload1.c (reload): Remove registers returned by update_eliminables
5329 from used_spill_regs.
5331 2006-06-13 DJ Delorie <dj@redhat.com>
5333 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5335 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5337 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5338 html__strip_dir, html__mkdir_p. Enhance install-html target.
5339 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5340 * configure: Regenerate.
5342 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5344 * fold-const.c (fold_cond_expr_with_comparison): Check for
5345 Objective-C++ as language in deciding COND_EXPR transformation.
5347 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5350 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5351 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5352 * config/sh/lib1funcs.h (SL, SL1): Define.
5353 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5354 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5355 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5356 (OBJS_Os_4_200): New variable.
5357 ($(T)libgcc-Os-4-200.a): Use it.
5358 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5359 when dividing 1 and/or by 0.
5361 2006-06-13 Roger Sayle <roger@eyesopen.com>
5363 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5364 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5365 * configure: Regenerate.
5367 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5369 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5370 for real instruction.
5372 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5375 * haifa-sched.c (check_cfg): Handle special case.
5377 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5380 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5381 Add debug_info parameter. Chain the vars to the BLOCK instead
5382 of the BIND_EXPR if debug info are requested for them.
5383 (pop_gimplify_context): Adjust for above change.
5384 (gimple_add_tmp_var): Likewise.
5385 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5387 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5388 (convert_local_reference): Likewise.
5389 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5390 (finalize_nesting_tree_1): Request that debug info be emitted
5391 for debug_var_chain.
5393 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5395 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5396 for PR target/27863.
5398 2006-06-13 Richard Guenther <rguenther@suse.de>
5401 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5403 2006-06-13 Richard Guenther <rguenther@suse.de>
5405 PR tree-optimization/27830
5406 * tree-inline.c (copy_body_r): For copying the operand
5407 of an ADDR_EXPR make sure to fold &* afterwards.
5409 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5411 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5412 lvalues in the fb_none case with side-effects.
5414 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5416 * tree-flow.h: Remove the prototype for
5417 compute_phi_arg_on_exit.
5418 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5419 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5422 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5424 * builtins.c (expand_builtin_return_addr): Only use
5425 frame_pointer_rtx when count == 0 and we are expanding
5426 __builtin_return_address.
5428 2006-06-12 Fred Fish <fnf@specifix.com>
5430 * config/mips/mips.c (mips_file_start): Create special section
5431 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5433 2006-06-11 Eric Christopher <echristo@apple.com>
5436 * stor-layout.c (place_field): Remove check for
5437 remaining_in_alignment when aligning at the end of a run.
5439 2006-06-11 Eric Christopher <echristo@apple.com>
5442 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5445 2006-06-11 Roger Sayle <roger@eyesopen.com>
5448 Revert incorrect fix for PR target/27158
5449 2006-05-08 Roger Sayle <roger@eyesopen.com>
5450 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5451 of a reg_equiv_constant if the result is a legitimate constant.
5453 2006-06-11 Roger Sayle <roger@eyesopen.com>
5456 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5457 extract a CONST_VECTOR element and interpret it as an integer.
5458 (vspltis_constant): Use const_vector_elt_as_int instead of the
5459 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5460 * config/rs6000/predicates.md (easy_vector_const): Consider
5461 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5463 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5466 * stor-layout.c (update_alignment_for_field): Don't add extra
5467 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5470 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5472 * config/mips/t-rtems: Add EL/EB multilib variants.
5474 2006-06-09 Mike Stump <mrs@apple.com>
5476 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5478 2006-06-09 David Daney <ddaney@avtrex.com>
5480 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5482 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5484 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5486 2006-06-09 Richard Guenther <rguenther@suse.de>
5488 PR tree-optimization/26998
5489 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5490 of signed types, only TYPE_MIN_VALUE is special, but for both,
5491 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5492 in this case, as is -fwrapv.
5494 2006-06-08 Mike Stump <mrs@apple.com>
5497 * config/darwin.c (darwin_asm_output_anchor): Disable
5498 -fsection-anchors on darwin for now.
5499 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5500 * rs6000/rs6000.c (optimization_options): Likewise.
5502 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5505 * config/i386/i386.c (classify_argument): Skip fields with invalid
5508 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5510 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5511 (cse_insn): Likewise for the stack_pointer_rtx.
5513 2006-06-08 Roger Sayle <roger@eyesopen.com>
5515 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5516 conditions from floating point comparisons.
5518 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5521 * expmed.c (struct alg_hash_entry): Fix type of field T
5522 to match synth_mult argument.
5523 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5525 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5528 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5531 2006-06-08 Richard Guenther <rguenther@suse.de>
5534 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5535 only, if overflow is defined and not trapping.
5536 (negate_expr): Likewise.
5538 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5540 PR tree-optimization/27872
5541 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5542 flag on the new exit edge of the unrolled loop.
5544 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5546 PR rtl-optimization/26449
5547 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5549 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5552 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5553 referenced_variables with matching DECL_UID's.
5554 (find_referenced_vars): Make sure duplicate list is empty to start.
5555 (referenced_var_p): Remove.
5556 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5557 Check if var is in the list, and add if needed. Update the duplicate
5558 list if a different var is in the list with the same DECL_UID.
5559 (add_referenced_var): Call routine to check and insert.
5560 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5561 * tree-flow.h (referenced_vars_dup_list): External declaration.
5563 2006-06-07 Fred Fish <fnf@specifix.com>
5565 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5568 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5571 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5572 the imaginary and real parts of a clobbered register.
5573 Emit insn to set the imaginary part.
5575 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5577 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5578 in lieu of unwind-dw2-fde.c.
5580 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5582 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5584 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5587 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5588 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5589 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5590 V4SImode temporaries and operations instead.
5592 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5594 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5597 2006-06-06 Mike Stump <mrs@apple.com>
5599 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5600 installing during build.
5602 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5604 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5606 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5607 * config/ia64/ia64.c (params.h): New header.
5608 (ia64_optimization_options): New function to adjust parameters.
5609 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5610 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5611 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5613 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5615 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5617 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5620 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5622 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5623 Victor Kaplansky <victork@il.ibm.com>
5625 PR tree-optimization/26360
5626 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5629 2006-06-04 Roger Sayle <roger@eyesopen.com>
5630 Andrew Pinski <pinskia@physics.uc.edu>
5633 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5634 for LABEL_DECL before calling DECL_WEAK.
5637 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5638 LABEL_DECL and PARM_DECL.
5640 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5644 * c-decl.c (grokdeclarator): Disallow variably modified types at
5645 file scope. Avoid marking shared array type of constant size as
5648 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5651 * c-common.c (fold_offsetof_1): Handle static members.
5653 2006-06-04 Eric Christopher <echristo@apple.com>
5655 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5656 (debug_rli): Output value for remaining_in_alignment.
5657 (update_alignment_for_field): Unconditionalize
5658 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5659 extra alignment code.
5660 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5661 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5662 * tree.h (record_layout_info_s): Remove prev_packed.
5663 * doc/extend.texi (ms_struct): Add documentation of format.
5665 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5667 * tree.h: Declare folding_initializer.
5668 * builtins.c (fold_builtin_constant_p): Give definite answer
5669 if folding inside an initializer.
5670 * fold-const.c: Define folding_initializer.
5671 (START_FOLD_INIT): Save and then set folding_initializer.
5672 (END_FOLD_INIT): Restore folding_initializer.
5674 2006-06-04 Richard Guenther <rguenther@suse.de>
5676 PR tree-optimization/27039
5677 * fold-const.c (fold_comparison): Handle pointer comparison
5678 again for all comparison codes. Compare offsets in signed
5680 (fold_binary): Move code from here.
5682 2006-06-03 Roger Sayle <roger@eyesopen.com>
5685 * config/i386/i386.c (construct_container): Split static issued_error
5686 flag into issued_sse_arg_error, issued_sse_ret_error and
5687 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5688 requires the use of x87 registers and the user explicitly
5689 specified the -mno-80387 command line option.
5691 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5693 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5694 HAVE_DECL_SIGALTSTACK.
5696 (segv_handler): Use MC_FLD.
5697 * configure.ac: Check for a sigaltstack declaration.
5698 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5699 * configure: Regenerate.
5700 * config.in: Regenerate.
5702 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5705 * Makefile.in (stmp-fixinc): Fix typo.
5707 2006-06-02 Roger Sayle <roger@eyesopen.com>
5709 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5710 are type correct. Clean-up.
5711 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5712 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5714 2006-06-01 DJ Delorie <dj@redhat.com>
5716 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5717 shift, as we've disabled the "switch" insn that needs it.
5719 2006-06-01 Per Bothner <bothner@bothner.com>
5721 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5722 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5723 * c-ppoutput.c (cb_define): Don't increment line 0.
5725 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5727 * doc/invoke.texi: Add cpu_type power6.
5728 * config.gcc: Add cpu_type power6.
5729 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5730 to power5+ with Altivec.
5731 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5732 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5734 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5736 * config/avr/avr.h (SET_ASM_OP): Define.
5738 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5740 * config/bfin/bfin.c: Fix comment typos.
5742 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5745 * doc/install.texi: Document --enable-bootstrap and
5746 --disable-bootstrap.
5748 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5750 * doc/install.texi: Document that InfoZIP can replace jar.
5752 2006-05-31 Roger Sayle <roger@eyesopen.com>
5754 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5755 isn't available, directly generate the simpler x87 patterns without
5756 the (use (const_int 0)).
5757 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5758 implementation isn't available.
5759 (*negdf2_1): Likewise.
5760 (*negxf2_1): XF mode negation is always done using the x87.
5761 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5763 2006-05-31 Roger Sayle <roger@eyesopen.com>
5765 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5766 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5768 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5770 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5772 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5773 * config/bfin/bfin.c (basic-block.h): Include.
5774 (struct machine_function): New.
5775 (bfin_init_machine_status): New.
5776 (override_options): Initialize init_machine_status.
5777 (bfin_hardware_loop): New.
5778 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5779 (DEF_VEC_P (loop_info)): New.
5780 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5781 (struct loop_info): New.
5782 (loop_info): New typedef.
5783 (struct loop_work): New.
5784 (loop_work): New typedef.
5785 (DEF_VEC_O (loop_work)): New.
5786 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5787 (bfin_dump_loops): New.
5788 (bfin_bb_in_loop): New.
5789 (bfin_scan_loop): New.
5790 (bfin_optimize_loop): New.
5791 (bfin_reorg_loops): New.
5792 (bfin_reorg): Use bfin_reorg_loops.
5793 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5795 (I_REGNO_P): Simplify.
5796 (DP_REGNO_P, DPREG_P): New macros.
5797 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5798 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5799 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5800 Add LT_REGS, LC_REGS, LB_REGS.
5801 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5803 (REGNO_REG_CLASS): Deal with loop registers.
5804 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5806 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5807 New constants for loop registers.
5808 (UNSPEC_LSETUP_END): New.
5809 (seq_insns): New define_attr. Set it for appropriate insns.
5810 (movsi_insn): Add alternatives for move from/to
5811 loop count registers.
5812 (doloop_end): New define_expand.
5813 (loop_end): New define_insn.
5814 (define_split for bad doloop_end): New.
5815 (lsetup_with_autoinit): New define_insn.
5816 (lsetup_without_autoinit): New define_insn.
5817 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5818 * config/bfin/predicates.md (lc_register_operand): New.
5819 (lt_register_operand): New.
5820 (lb_register_operand): New.
5821 (nondp_register_operand): New.
5822 (nondp_reg_or_memory_operand): New.
5823 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5825 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5827 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5828 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5830 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5832 * Makefile.in (CATALOGS): Add po/ prefix.
5833 * configure: Regenerated.
5835 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5838 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5839 a shift operand before calling shift_op. Avoid redundant call of
5842 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5843 DJ Delorie <dj@redhat.com>
5845 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5846 we're inserting is a singlt-bit constant.
5848 2006-05-30 Roger Sayle <roger@eyesopen.com>
5850 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5851 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5853 2006-05-30 Roger Sayle <roger@eyesopen.com>
5855 PR tree-optimization/23452
5856 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5857 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5858 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5859 complex values and with -ffast-math for FP complex values.
5861 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5863 * c-common.h: Remove the prototype for yyparse.
5864 * rtl.h: Remove the prototype for init_loop.
5866 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5868 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5871 2006-05-30 Roger Sayle <roger@eyesopen.com>
5873 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5875 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5876 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5878 2006-05-30 Dirk Mueller <dmueller@suse.de>
5881 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5882 for CONSTANT_CLASS_P expresisons.
5884 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5887 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5889 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5891 PR tree-optimization/27779
5892 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5893 initial_condition instead of CHREC_LEFT.
5895 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5897 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5898 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5899 Make prototypes ISO C90.
5901 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5902 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5904 * see.c (see_analyze_one_def): Correct check.
5905 (see_get_extension_data): Check if extension is parallel.
5906 (see_get_extension_reg): Likewise.
5908 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5911 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5912 into register for (code == GTU).
5914 2006-05-29 Roger Sayle <roger@eyesopen.com>
5916 PR tree-optimization/24964
5917 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5918 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5919 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5920 abs(x)*abs(x) as x*x for scalar floating point modes.
5922 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5925 * lambda-code.c (perfect_nestify): Don't copy statements
5926 in the inner loop: move them to the inner loop header.
5928 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5931 * c-tree.texi: Document OpenMP directives and clauses.
5933 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5935 * varasm.c (globalize_decl): Fix indentation.
5937 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5940 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5941 pass_fre, pass_store_ccp, pass_copy_prop,
5942 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5943 pass_return_slot, pass_object_size, pass_lim,
5944 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5945 pass_loop_prefetch and pass_stdarg.
5947 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5949 * config/bfin/bfin.opt (mfdpic): New option.
5950 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5951 (EXTRA_MULTILIB_PARTS): Likewise.
5952 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5953 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5955 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5956 (CRT_CALL_STATIC_FUNCTION): New.
5957 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5959 (CRT_CALL_STATIC_FUNCTION): New.
5960 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5962 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5963 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5964 (initialize_trampoline): Changed to handle FD-PIC code generation.
5965 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5966 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5967 (override_options): Disallow -mid-shared-library -mfdpic combination.
5968 Can't do unaligned ops if FD-PIC.
5969 Turn off flag_pic if trying to generate non-id-shared-library
5970 non-fdpic code, since it's not supported.
5971 (bfin_assemble_integer): New function.
5972 (TARGET_ASM_INTEGER): Define.
5973 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5975 * config/bfin/crtn.s: Restore them.
5976 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5978 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5979 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5980 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5981 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5982 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5984 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5985 FDPIC_REGS and FDPIC_FPTR_REGS.
5986 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5987 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5988 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5989 (load_funcdescsi): New pattern.
5990 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5991 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5992 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5994 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5996 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5999 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6001 * tree-flow.h: Remove the prototype for add_type_alias.
6002 * tree-ssa-alias.c (add_type_alias): Remove.
6004 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6006 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6007 config/fr30/fr30.md, config/i386/i386-interix.h,
6008 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6009 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6010 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6011 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6012 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6013 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6014 Follow spelling conventions.
6015 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6016 Follow spelling conventions.
6018 2006-05-27 Richard Guenther <rguenther@suse.de>
6021 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6022 to produce a constant of value 1 of generic type.
6024 2006-05-27 Dirk Mueller <dmueller@suse.de>
6026 * cgraphunit.c (decide_is_function_needed): Fix wrong
6029 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6031 PR rtl-optimization/27661
6032 * reload.c (find_reloads): When reloading a VOIDmode constant
6033 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6034 use Pmode as mode of the reload register.
6036 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6038 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6039 is enabled at -O and above.
6041 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6044 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6047 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6050 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6051 for anonymous variables explicitly declared by front ends.
6053 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6055 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6056 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6057 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6058 ref-all pointers, run a finalization pass for them.
6059 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6060 (finalize_ref_all_pointers): New function.
6061 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6062 regular pointer type to a ref-all pointer type.
6063 (get_tmt_for): Return the special memory tag for ref-all pointers.
6065 2006-05-25 Richard Guenther <rguenther@suse.de>
6068 * fold-const.c (fold_binary): Do not look at the stripped
6069 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6071 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6073 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6074 for LT and GT if the computed range is effectively empty.
6076 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6079 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6080 mips_quad_format formats instead of ieee_single_format,
6081 ieee_double_format and ieee_quad_format formats, respectively.
6083 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6085 PR tree-optimization/27639
6086 PR tree-optimization/26719
6087 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6088 call to scev_probably_wraps_p.
6089 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6090 used_in_pointer_arithmetic_p, convert_step): Removed.
6091 (nowrap_type_p): New function.
6092 (scev_probably_wraps_p): Rewritten.
6093 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6094 chrec_convert if chrec_convert_aggressive might have been used.
6095 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6096 scev_direction): New functions.
6097 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6098 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6099 instead of convert_step.
6100 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6101 (convert_step): Declaration removed.
6102 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6104 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6106 * df-core.c: Added to header comments.
6107 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6108 df_ur_bb_info, df_urec_bb_info): Added comments.
6109 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6110 urec, ri problems): Fixed header comments.
6111 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6112 code from df_rd_transfer_function.
6114 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6116 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6117 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6118 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6120 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6122 * expr.c (undefined_operand_subword_p): New.
6123 (emit_move_multi_word): Do not generate move from undefined bits
6124 of a paradoxical subreg.
6126 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6128 PR rtl-optimization/27736
6129 * combine.c (replaced_rhs_value): New variable.
6130 (combine_instructions): Set it.
6131 (distribute_notes): When distributing a note in replaced_rhs_insn,
6132 check whether the value was used in replaced_rhs_value.
6134 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6137 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6138 add_referenced_var instead of add_referenced_tmp_var.
6139 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6140 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6142 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6143 tree_optimize_tail_calls_1): Use add_referenced_var.
6144 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6145 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6146 Use add_referenced_var.
6147 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6148 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6149 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6150 Use add_referenced_var.
6151 * tree-dfa.c (struct walk_state): Remove.
6152 (find_referenced_vars): Remove walk state and vars_found hash table.
6153 (make_rename_temp): Use add_referenced_var.
6154 (find_vars_r): Pass less parameters to add_referenced_var.
6155 (referenced_var_p): New. Is var in referenced_var hash table.
6156 (referenced_var_insert): Assert var isn't already in hash table.
6157 (add_referenced_var): Don't need walk_state parameter. Add var if it
6158 isn't already in the hash table.
6159 (add_referenced_tmp_var): Remove.
6160 (find_new_referenced_vars_1): Use add_referenced_var.
6161 * tree-ssa-pre.c (create_expression_by_pieces,
6162 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6163 Use add_referenced_var.
6164 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6165 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6166 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6168 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6169 vect_create_data_ref_ptr, vect_create_destination_var,
6170 vect_init_vector, vect_build_loop_niters,
6171 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6172 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6173 Use add_referenced_var.
6174 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6175 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6176 (add_referenced_var): Add prototype.
6177 * tree-ssa-structalias.c (get_constraint_for,
6178 intra_create_variable_infos): Use add_referenced_var.
6180 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6182 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6183 big-endian paradoxical subregs.
6184 * var-tracking.c (struct micro_operation_def): Document that,
6185 for modify micro operations, insn is the subsequent instruction.
6186 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6187 (var_reg_set, var_mem_set): ... new functions.
6188 (add_stores): Record subsequent insn.
6189 (compute_bb_dataflow): Use new functions for MO_USE.
6190 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6191 notes after the insn, and modify notes before the insn known
6192 to be the subsequent one.
6193 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6195 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6198 * config/i386/i386.c (ix86_expand_builtin): Use
6199 gen_sse3_monitor64 for TARGET_64BIT.
6201 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6203 PR rtl-optimization/26375
6204 PR rtl-optimization/26855
6205 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6207 (df_ru_bb_local_compute): Reversed statements and removed bogus
6208 comment explaining why they should be in wrong order.
6209 (df_ru_dump, df_rd_dump): Enhanced debug info.
6210 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6212 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6213 reaching uses and fixed space problem.
6215 2006-05-23 Jan Hubicka <jh@suse.cz>
6217 * cgraphunit.c (decide_is_function_needed): Also nested functions
6218 and functions declared inline can be optimized out at -O0.
6220 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6222 * doc/install.texi (Configuration): Remove reference to CrossGCC
6226 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6229 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6230 ix86_compare_emitted is non-NULL.
6232 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6235 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6238 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6240 PR rtl-optimization/25514
6241 * combine.c (replaced_rhs_insn): New variable.
6242 (combine_instructions): Set replaced_rhs_insn when trying to replace
6243 a SET_SRC with a REG_EQUAL note.
6244 (distribute_notes): Use replaced_rhs_insn when determining the live
6245 range of a REG_DEAD register.
6247 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6248 Anatoly Sokolov <aesok@post.ru>
6250 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6251 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6252 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6253 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6254 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6255 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6256 at90usb647, at90usb1286 and at90usb1287 devices.
6257 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6258 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6260 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6262 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6264 2006-05-22 Richard Guenther <rguenther@suse.de>
6267 2006-01-31 Richard Guenther <rguenther@suse.de>
6268 Paolo Bonzini <bonzini@gnu.org>
6270 * doc/install.texi (--disable-libgcc-math): Document.
6272 2006-05-22 Richard Guenther <rguenther@suse.de>
6275 2006-01-31 Richard Guenther <rguenther@suse.de>
6277 * doc/invoke.texi (-msselibm): Document.
6278 * target.h (expand_library_builtin): New target hook.
6279 * builtins.c (expand_builtin): Use expand_library_builtin.
6280 (default_expand_library_builtin): New function.
6281 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6282 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6283 (link_gcc_math_spec): Declare.
6284 (static_specs): Add link_gcc_math_spec.
6285 * expr.h (default_expand_library_builtin): Declare.
6286 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6287 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6288 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6289 * config/i386/i386.opt (msselibm): New target option.
6290 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6291 (ix86_init_sse_abi_builtins): New function.
6292 (ix86_expand_library_builtin): Likewise.
6293 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6294 (override_options): Handle error conditions wrt -msselibm.
6295 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6296 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6297 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6300 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6303 * c-common.c (self_promoting_args_p): Skip erroneous args.
6306 * c-decl.c (finish_struct): Skip erroneous fields.
6308 2006-05-22 Nick Clifton <nickc@redhat.com>
6310 * config/cris/cris.opt (march): Remove VarExists attribute.
6311 (max-stackframe=): Likewise.
6313 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6315 * doc/rtl.texi: Fix a typo.
6316 * see.c: Fix comment typos.
6318 * tree-ssa-structalias.h (alias_info): Remove num_references.
6320 2006-05-21 Mike Stump <mrs@apple.com>
6322 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6324 (darwin_pragma_options): Use BAD instead.
6325 (darwin_pragma_unused): Likewise.
6326 (darwin_pragma_ms_struct): Likewise.
6328 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6330 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6332 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6334 PR rtl-optimization/27671
6335 * simplify-rtx.c (simplify_relational_operation_1): Fix
6336 simplifications of (eq/ne (xor x y) y) and
6337 (eq/ne (xor x y) x).
6339 PR tree-optimization/26622.
6340 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6343 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6345 * tree-cfg.c: Prune whitespace.
6346 (debug_tree_cfg): Point to correct header containing the
6349 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6352 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6354 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6357 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6358 or sorry count is non zero.
6360 2006-05-20 Andreas Schwab <schwab@suse.de>
6362 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6364 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6365 Kenneth Zadeck <zadeck@naturalbridge.com>
6367 PR rtl-optimization/26855
6369 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6371 (df_scan_alloc): Added code to properly handle multiword hard
6372 registers and add all_blocks parameter.
6373 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6374 code to properly handle multiword hard registers.
6375 (df_rescan_blocks): Added code to remove deleted blocks from
6377 (df_ref_create_structure, df_ref_record): Added code to properly
6379 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6380 and set DF_REF_PARTIAL.
6381 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6382 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6383 (df_scan_add_problem): Added flags parameter.
6384 (df_ref_create_structure): Changed switching structure.
6385 (df_bb_refs_record): Fixed case where duplicate artificial refs
6386 were created. Changed location of flags.
6387 (df_record_entry_block_defs): Added code to make stack pointer
6388 live in entry block. Refined cases where frame pointer is needed.
6389 Changed location of flags.
6390 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6391 (df_set_state): Removed function.
6392 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6393 df_insn_create_insn_record, df_insn_refs_delete,
6394 df_ref_create_structure): Formatting changes.
6395 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6396 df_delete_basic_block): New function.
6397 (df_init): Changed location of flags.
6398 (df_add_problem): Added flags parameter and the way flags are
6400 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6401 debug_df_chain): Improved debugging output.
6402 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6403 (df_refs_chain_dump): Removed df parameter.
6404 (df_iterative_dataflow): Added consistency check.
6405 (df_prune_to_subcfg): Made public.
6406 (df_analyze_problem): Added blocks_to_init parameter and made
6408 (df_ref_record, df_bb_refs_record, df_mark_reg,
6409 df_record_exit_block_uses): Whitespace changes.
6410 (df_dump): Whitespace changes.
6411 * df.h: Some reordering to remove forward references.
6412 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6413 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6414 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6415 (dataflow.flags): New field.
6416 (df.flag): Deleted field.
6417 (df_alloc_function): Added additional bitmap parameter.
6418 (df_dependent_problem_function): New type.
6419 (df_problem.changeable_flags): New field.
6420 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6421 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6422 (df_mw_hardreg): New struct.
6423 (DF_INSN_UID_MWS): New macro.
6424 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6426 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6427 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6428 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6429 (df_set_state): Removed function.
6430 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6431 * df-problems.c (df_chain_dump): Removed df parameter.
6432 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6433 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6435 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6436 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6437 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6438 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6439 DF_REF_MUST_CLOBBER cases.
6440 (df_ru_bb_local_compute_process_def,
6441 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6442 df_lr_bb_local_compute, df_ur_bb_local_compute,
6443 df_chain_create_bb): Made subreg aware.
6444 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6445 df_lr_bb_local_compute, df_lr_bb_local_compute,
6446 df_chain_create_bb): Cleanup to use proper macros.
6447 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6448 code to fixup bitvectors.
6449 (df_ri_alloc): Cleared lifetime.
6450 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6451 df_create_unused_note): New function.
6452 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6453 REG_DEAD and REG_UNUSED notes as well as register information.
6454 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6455 df_chains_dump): Fixed crash if problem was never run.
6456 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6457 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6458 df_ri_add_problem): Processes flags in uniform manner.
6459 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6460 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6461 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6462 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6463 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6464 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6465 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6466 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6467 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6468 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6469 * see.c (see_initialize_data): Ditto.
6470 * final.c (rest_of_clean_state) Added regstack_completed.
6471 * rtl.h (regstack_completed): Ditto.
6472 * reg-stack.c (regstack_completed): Ditto.
6474 2006-05-19 Mike Stump <mrs@apple.com>
6476 * c-tree.h (default_conversion): Remove.
6477 * c-common.h (default_conversion): Add.
6479 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6481 * tree-vrp.c (valid_value_p): New function.
6482 (adjust_range_with_scev): Fail if the value of bound is not
6485 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6487 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6488 (mips_fallback_frame_state): Use syscall numbers to determine
6489 the appropriate li instruction for the current ABI. Only use
6490 __NR_sigreturn for o32.
6492 2006-05-19 Nicolas Setton <setton@adacore.com>
6494 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6495 * langhooks.c (lhd_dwarf_name): New function.
6496 * langhooks-def.h (lhd_dwarf_name): Declare.
6497 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6498 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6499 * ada/misc.c (gnat_dwarf_name): New function.
6500 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6502 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6504 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6506 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6507 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6508 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6509 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6510 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6511 determine the size of Wtype, etc.
6512 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6513 (swfloatfuncs): New variable.
6514 (dwfloatfuncs): Likewise.
6515 (lib2funcs): Remove floating-point conversion functions from
6516 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6517 the set of conversion routines needed. Allow entries to specify
6518 an object name, filename and word size. Update users accordingly.
6519 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6520 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6524 2006-02-08 Roger Sayle <roger@eyesopen.com>
6527 * config/fixtfdi.c: New libgcc source file.
6528 * config/fixunstfdi.c: New source file.
6529 * config/floatditf.c: New source file.
6530 * config/floatunditf.c: New souce file.
6531 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6532 files above instead of config/mips/_tilib.c.
6533 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6535 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6537 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6538 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6540 2006-05-18 Mike Stump <mrs@apple.com>
6542 Fix up vla, vm and [*] sematics.
6548 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6549 (c_vla_unspec_p): Add.
6550 (c_vla_type_p): Add.
6551 * c-decl.c (struct c_scope): Add had_vla_unspec.
6552 (build_array_declarator): Add support for [*].
6553 (grokdeclarator): Likewise.
6554 (grokparms): Likewise.
6555 (get_parm_info): Likewise.
6556 * c-objc-common.c (c_vla_unspec_p): Likewise.
6557 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6558 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6559 typeof when argument is a variably modified type not inside sizeof or alignof.
6560 (c_parser_direct_declarator_inner): Propagate errors.
6561 (c_parser_sizeof_expression): Add support for [*].
6562 (c_parser_parms_declarator): Initialize had_vla_unspec.
6563 (c_parser_parms_list_declarator): Likewise.
6564 * c-typeck.c (c_vla_type_p): Add.
6565 (composite_type): Add support for vla compositing.
6566 (comptypes_internal): Add support for vla compatibility.
6567 (c_expr_sizeof_expr): Evaluate vla arguments.
6568 * tree.c (variably_modified_type_p): Update comment for [*].
6570 2006-05-18 Michael Matz <matz@suse.de>
6573 * config.host: Make assignments to host_xmake_file cumulative.
6574 * config.host (*-darwin*): Test $host, not $target.
6576 2006-05-12 Stuart Hastings <stuart@apple.com>
6578 * config/i386/i386.opt (-mstackrealign): New flag.
6579 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6580 (ix86_handle_cconv_attribute): Emit error when
6581 force_align_arg_pointer attribute collides with too many regparms.
6582 (ix86_function_regparm): Limit regparms when used with
6583 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6584 Support stack-realigning prologue in non-main functions. Emit
6585 warning for nested functions under -mstackrealign, emit error for
6586 nested functions with force_align_arg_pointer attribute.
6587 * doc/extend.texi (force_align_arg_pointer): Document it.
6588 * doc/invoke.texi (-mstackrealign): Document it.
6590 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6592 PR rtl-optimization/27477
6593 * combine.c (try_combine): Don't split a parallel consisting
6594 of two sets into two individual sets if both sets reference
6597 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6599 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6600 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6602 * doc/options.texi (VarExists): Updated.
6604 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6606 * unwind-dw2.c: Add declarations for uw_update_context and
6608 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6609 detected, advance frame state and context once to skip over stub.
6611 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6615 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6616 Call rewrite_into_loop_closed_ssa only when something changed.
6617 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6618 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6619 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6620 Test for perfect_nest_p here. Fix formating.
6621 (replace_uses_equiv_to_x_with_y): Fix formating.
6622 (stmt_uses_op): Removed.
6623 (can_convert_to_perfect_nest): Removed loopivs parameter.
6624 Complete the test by checking the scalar dependences.
6625 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6628 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6631 From Dan Kegel <dank@kegel.com>:
6632 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6634 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6636 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6637 if the element type is variably modified without recursing.
6639 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6642 * tree-loop-linear.c (try_interchange_loops): Test for
6643 no data dependences.
6645 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6647 PR tree-optimization/27548
6648 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6649 range of ssa names that appear on abnormal edges.
6650 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6651 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6653 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6656 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6658 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6661 * tree.h (OMP_PARALLEL_COMBINED): Define.
6662 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6663 (new_omp_context): Add is_combined_parallel argument.
6664 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6665 new_omp_context caller.
6666 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6667 Adjust gimplify_scan_omp_clauses callers.
6668 (omp_is_private): Issue errors if iteration variable is firstprivate
6669 or reduction in the current context.
6670 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6671 on combined parallel workshare constructs.
6673 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6675 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6676 (gcc-options.o): New rule.
6678 * optc-gen.awk: Protect variables for gcc-options.o with
6679 #ifdef GCC_DRIVER/#endif.
6681 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6683 Fix PR tree-optimization/27373
6684 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6685 (forward_propagate_addr_expr): Update call.
6687 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6689 * doc/options.texi: Move the Negative option.
6691 2006-05-16 Richard Guenther <rguenther@suse.de>
6693 PR tree-optimization/22303
6694 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6696 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6697 ccp_fold did not simplify the statement.
6699 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6702 * Makefile.in (GCC_OBJS): New.
6703 (OBJS-common): Add opts-common.o.
6704 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6705 (cpp$(exeext)): Likewise.
6706 (gcc.o): Also depend on opts.h.
6707 (opts-common.o): New.
6709 * common.opt (gcoff): Add Negative(gdwarf-2).
6710 (gdwarf-2): Add Negative(gstabs).
6711 (gstabs): Add Negative(gstabs+).
6712 (gstabs+): Add Negative(gvms).
6713 (gvms): Add Negative(gxcoff).
6714 (gxcoff): Add Negative(gxcoff+).
6715 (gxcoff+): Add Negative(gcoff).
6716 * config/i386/i386.opt (m32): Add Negative(m64).
6717 (m64): Add Negative(m32).
6719 * doc/options.texi: Document the Negative option.
6721 * gcc.c: Include "opts.h".
6722 (main): Call prune_options after expandargv.
6724 * optc-gen.awk: Generate common declarations for all flag
6725 variables in options.c. Output the neg_index field.
6727 * opts.c (find_opt): Moved to ...
6728 * opts-common.c: Here. New file.
6730 * opts.h (cl_option): Add a neg_index field.
6732 (prune_options): Likewise.
6734 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6737 * omp-low.c (expand_omp_parallel): Don't assert
6738 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6739 instead search for it.
6742 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6745 2006-05-16 Andreas Schwab <schwab@suse.de>
6747 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6750 2006-05-15 Roger Sayle <roger@eyesopen.com>
6753 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6754 integer constants other than zero are only legitimate on TARGET_64BIT.
6755 <CONST_VECTOR> Only zero vectors are legitimate.
6756 (ix86_cannot_force_const_mem): Integral and vector constants can
6757 always be put in the constant pool.
6759 2006-05-16 DJ Delorie <dj@redhat.com>
6761 * crtstuff.c (__dso_handle): Set section from
6762 TARGET_LBIGCC_SDATA_SECTION if defined.
6763 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6764 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6766 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6769 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6772 2006-05-16 Ben Elliston <bje@au.ibm.com>
6774 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6776 2006-05-15 Per Bothner <per@bothner.com>
6778 * tree.c: (last_annotated_node): Use source_locus typedef.
6779 This permits bootstrapping with --enable-mapped-location.
6781 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6783 PR tree-optimization/26830
6784 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6785 (info_for_ssa_name, current_info_for_ssa_name_age,
6786 blocks_to_update): New variables.
6787 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6788 (clear_ssa_name_info, initialize_flags_in_bb,
6789 mark_block_for_update): New functions.
6790 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6791 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6792 prepare_def_site_for): Use mark_block_for_update.
6793 (mark_def_interesting): Assert that the processed block is marked in
6794 blocks_to_update. Do not take blocks argument.
6795 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6797 (rewrite_update_init_block, rewrite_update_stmt): Only process
6798 blocks with statements to rewrite.
6799 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6800 (update_ssa): Initialize and free blocks_to_update. Do not
6801 clear flags on statements. Do not use blocks bitmap.
6802 * tree.h (SSA_NAME_AUX): Removed.
6803 (struct tree_ssa_name): Removed aux field.
6804 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6806 2006-05-15 Richard Guenther <rguenther@suse.de>
6808 PR tree-optimization/27603
6809 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6810 Do computations in original type.
6812 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6814 * see.c: Code style changes such as redundant paranthesis,
6815 redundant intialization of local variables etc.
6816 (see_main): Declared now as static.
6817 * doc/invoke.texi: Update that -fsee is not enabled by
6820 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6822 * omp-low.c (check_omp_nesting_restrictions): New function.
6823 (scan_omp_1): Call it.
6826 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6827 construct, return *VAR.
6829 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6831 PR rtl-optimization/27406
6832 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6835 2006-05-14 Roger Sayle <roger@eyesopen.com>
6837 PR rtl-optimization/27538
6838 * combine.c (expand_compound_operation): Call gen_lowpart
6839 before calling simplify_shift_const.
6841 2006-05-14 Roger Sayle <roger@eyesopen.com>
6843 PR rtl-optimization/22563
6844 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6845 a fixed width bitfield, always force the intermediates into psuedos.
6847 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6850 * mkconfig.sh: Use operator = instead of == for test.
6852 2006-05-13 Nick Clifton <nickc@redhat.com>
6854 * dwarf2out.c (dbx_reg_number): Check return value from
6855 LEAF_REG_REMAP and only use it if it is valid.
6856 (multiple_reg_loc_descriptor): Likewise.
6858 2006-05-13 Richard Guenther <rguenther@suse.de>
6860 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6863 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6865 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6866 information attached to non-INSNs such as NOTEs.
6867 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6869 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6871 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6873 * config/s390/s390.md: Adjust comment describing On constraint.
6875 2006-05-11 Jan Hubicka <jh@suse.cz>
6877 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6878 to be output at -O0.
6880 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6883 * fold-const.c (size_binop): Move sanity check for arguments to
6884 the beginning of the function.
6887 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6890 2006-05-11 Richard Guenther <rguenther@suse.de>
6893 * fold-const.c (fold_unary): Handle intermediate conversion
6894 to a pointer type like intermediate conversion to an integer
6895 type in folding of (T1)(T2)var to var.
6896 Match the code to the comment in the final conversion for
6897 (T1)(T2)var to (T1)var regarding to type precision. Rather
6898 than disallow T1 being of pointer type, assert that both T1
6899 and var are of pointer type or not. Make sure not to fall
6900 over the frontends lazyness wrt array to pointer decay though.
6902 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6904 * arm.c (arm_struct_value_rtx): Delete.
6905 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6906 (arm_init_cumulative_args): Always initialize nregs to zero.
6908 2006-05-10 Richard Guenther <rguenther@suse.de>
6910 PR tree-optimization/27532
6911 * tree-object-size.c (plus_expr_object_size): Fix typo.
6913 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6916 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6917 ashrdi_const, ashrdi3): Use a scratch register.
6919 2006-05-10 Richard Guenther <rguenther@suse.de>
6921 PR tree-optimization/27302
6922 * fold-const.c (operand_equal_p): For two comparisons,
6923 try comparison of one comparison code swapped if that yields
6926 2006-05-10 Ben Elliston <bje@au.ibm.com>
6928 * tree-pretty-print.c (pretty_print_string): No need to handle
6929 '\0' as a special character.
6931 * tree.h: Include "hashtab.h".
6932 (iterative_hash_expr): Use hashval_t in its prototype.
6933 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6935 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6938 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6939 (hppa*64*-*-hpux11*): Ditto.
6940 (hppa[12]*-*-hpux11*): Ditto.
6942 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6945 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6947 2006-05-09 Michael Matz <matz@suse.de>
6949 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6950 host_extra_gcc_objs and host_xmake_file.
6951 (<*-*-linux*>): Don't overwrite host_xmake_file.
6952 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6953 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6954 (host_detect_local_cpu): Declare.
6955 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6956 * config/i386/i386.c (override_options): Handle -mtune=native
6958 * config/i386/x-i386: New file.
6959 * config/i386/driver-i386.c: New file.
6960 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6963 2006-05-09 Dirk Mueller <dmueller@suse.de>
6964 Richard Guenther <rguenther@suse.de>
6967 * fold-const.c (fold_read_from_constant_string): Relax check
6968 for matching types to matching modes.
6970 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6972 PR rtl-optimization/27335
6973 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6976 2006-05-08 Chao-ying Fu <fu@mips.com>
6977 Richard Sandiford <richard@codesourcery.com>
6979 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6980 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6981 * config/mips/mips.md (UNSPEC_SCC): New constant.
6982 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6983 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6984 (mips_emit_compare): Use it.
6985 (mips_expand_vcondv2sf): New function.
6987 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6989 Fix PR tree-optimization/27093
6990 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6991 renaming when they become not-used_alone.
6993 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6995 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6996 relocation and relocation stubs.
6998 2006-05-08 Eric Christopher <echristo@apple.com>
7000 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7003 2006-05-08 Jan Hubicka <jh@suse.cz>
7006 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7007 unused static functions are needed.
7009 2006-05-08 Roger Sayle <roger@eyesopen.com>
7012 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7013 of a reg_equiv_constant if the result is a legitimate constant.
7015 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7018 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7019 standard 80387 constants, raise the cost to prevent
7020 compress_float_constant() to generate load from memory.
7022 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7024 * config/arm/constraints.md (c): Fix a typo.
7026 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7029 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7032 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7034 (_mm_mwait): Likewise.
7036 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7038 (sse3_monitor): Make it 32bit only.
7039 (sse3_monitor64): New. 64bit monitor.
7041 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7044 * config/i386/i386.c (classify_argument): Skip fields with invalid
7047 2006-05-07 Richard Guenther <rguenther@suse.de>
7049 PR tree-optimization/27409
7050 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7051 Do not try to find zero-sized subvars.
7053 2006-05-07 Richard Guenther <rguenther@suse.de>
7055 PR tree-optimization/27136
7056 * tree-ssa-loop-niter.c (get_val_for): Correct function
7057 comment, assert requirements.
7058 (loop_niter_by_eval): Stop processing if the iterated
7059 value did not simplify.
7061 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7063 * opts.c (flag_see): remove its setting at -O3.
7065 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7067 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7068 * arm/constraints.md: New file.
7069 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7070 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7071 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7072 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7073 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7074 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7075 * arm.md: Include constraints.md.
7076 (thumb_movsi_insn): Use satisfies_constraint_J.
7077 (movhi, movqi): Use satisfies_constraint_I.
7079 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7081 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7082 for atmeg a645 device.
7084 2006-05-06 Richard Guenther <rguenther@suse.de>
7086 PR tree-optimization/27151
7087 * tree-vect-transform.c (vectorizable_condition): Punt on
7088 values that have a different type than the condition.
7090 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7093 * c-parser.c (c_parser_cast_expression): Only insert casts into
7094 hash table if pointer.
7095 * function.c (used_types_insert_helper): Rename from
7097 (used_types_insert): Call used_types_insert_helper.
7098 * function.h (used_types_insert): Accept only one argument.
7100 2006-05-05 David Edelsohn <edesohn@gnu.org>
7102 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7103 scratch with output modifier.
7105 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7108 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7109 with output modifier.
7111 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7114 * config/mips/mips.c (mips_symbolic_address_p): Return true
7115 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7116 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7118 2006-05-04 Richard Guenther <rguenther@suse.de>
7120 PR tree-optimization/14287
7121 PR tree-optimization/14844
7122 PR tree-optimization/19792
7123 PR tree-optimization/21608
7124 PR tree-optimization/27090
7125 * tree-ssa-pre.c (try_combine_conversion): New function.
7126 (compute_avail): After constructing the value-handle
7127 expression, use try_combine_conversion to combine NOP_EXPRs
7128 with previous value-handle expressions and use the result if it
7131 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7133 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7135 2006-05-04 Jan Hubicka <jh@suse.cz>
7138 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7140 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7142 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7143 that this only matches CONST_INTs. All users changed to VOIDmode
7146 * config/bfin/bfin.c: Include "optabs.h".
7147 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7149 (enum bfin_builtins): Add a number of fractional and vector builtins.
7150 (bfin_init_builtins): Likewise.
7151 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7152 (safe_vector_operand, bfin_expand_binop_builtin,
7153 bfin_expand_unop_builtin): New functions.
7154 (bfin_expand_builtin): Handle the new builtins.
7155 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7158 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7161 * Makefile.in (OBJS-common): Add see.o.
7162 (see.o): Add dependencies.
7163 * common.opt (fsee): New flag for the see optimization was added.
7164 * opts.c (flag_see): Initialized.
7165 * passes.c (init_optimization_passes, pass_see): New pass.
7166 * rtl.h (see_main): Declaration as extern.
7167 * timevar.def (TV_SEE): New.
7168 * tree-pass.h (pass_see): Declaration as extern.
7169 * invoke.texi (-fsee): Document.
7170 * recog.c (validate_simplify_insn): New function.
7171 * recog.h (validate_simplify_insn): Declaration as extern.
7172 * df-problems.c (df_chain_dump): Check for NULL.
7174 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7175 Daniel Berlin <dberlin@dberlin.org>
7177 * cfgrtl.c (insert_insn_bb_end_new): New function.
7178 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7180 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7182 * df.h (struct web_entry): Moved from web.c.
7183 (union_defs): Declaration as extern.
7184 (unionfind_root): Likewise.
7185 (unionfind_union): Likewise.
7186 * web.c (struct web_entry): Moved to df.h.
7187 (unionfind_root): Remove static declaration.
7188 (unionfind_union): Likewise.
7189 (union_defs): Likewise and generalize to use callback function.
7190 (web_main): Update arguments for union_defs function call.
7192 2006-05-04 Richard Guenther <rguenther@suse.de>
7194 PR tree-optimization/26447
7195 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7196 produce SSA_NAME copies before the store stmt to avoid
7197 breaking exception handling.
7199 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7202 * gimplify.c (omp_is_private): If var is shared in some outer context,
7203 return false instead of true. Stop searching on parallel context
7206 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7209 * coverage.c: Use get_gcov_unsigned_t() instead of
7210 unsigned_type_node all over.
7212 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7214 PR tree-optimization/27381
7215 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7216 maintain the same immediate_use links.
7217 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7218 node rather than segfaulting.
7220 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7223 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7224 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7225 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7227 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7229 Fix PR tree-optimization/26626
7230 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7232 * tree-ssa-operands.c (access_can_touch_variable): Allow
7233 typecasting through union pointers.
7235 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7238 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7239 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7240 to find if var will be a global variable even in the nested context.
7241 (omp_copy_decl): Only check for global variable at the end, it might
7242 be overridden in outer contexts.
7243 (scan_sharing_clauses): For global variables don't create a field.
7244 (lower_rec_input_clauses): Do nothing for global shared variables.
7245 Emit a barrier at the end of ILIST if there were any decls in both
7246 firstprivate and lastprivate clauses.
7247 (lower_send_clauses): Do nothing for global variables except for
7250 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7252 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7253 of the correct signedness is returned.
7255 2006-05-02 Jeff Law <law@redhat.com>
7257 PR tree-optimization/27364
7258 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7259 multiply expressions.
7261 2006-05-02 Tom Tromey <tromey@redhat.com>
7263 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7265 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7268 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7269 -mthumb -fPIC are used.
7271 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7272 Joshua Kinard <kumba@gentoo.org>
7275 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7276 with 64-bit pointers.
7278 2006-05-02 Paul Brook <paul@codesourcery.com>
7280 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7282 (create_fix_barrier): Check that a suitable barrier location is
7284 (arm_reorg): Include ftmp->address in allowable range of addresses.
7286 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7289 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7292 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7295 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7296 around RESULT_DECL for result passed by reference.
7297 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7298 * omp-low.c (use_pointer_for_field): Don't look at
7299 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7300 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7301 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7302 time or var for passing by reference for
7303 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7304 TREE_ADDRESSABLE variables when passing by reference.
7306 * omp-low.c (dump_omp_region): Fix output formatting.
7309 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7310 (expand_omp_parallel): Likewise.
7311 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7314 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7315 on statement list containing also constructors and destructors.
7316 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7319 * except.c (duplicate_eh_regions): Fix clearing of
7320 cfun->eh->region_array entries.
7322 2006-05-01 DJ Delorie <dj@redhat.com>
7324 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7326 (gcc_cv_objdump): Likewise.
7327 * configure: Regenerated.
7329 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7332 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7333 templates for case 3 and 4.
7335 2006-05-01 DJ Delorie <dj@redhat.com>
7337 * vec.c: Include bconfig.h when appropriate.
7338 * Makefile.in (build/vec.o): Adjust dependencies.
7339 * mkconfig.sh: Make sure config.h isn't used for build machine
7342 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7344 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7346 (mark_phi_for_rewrite): New function.
7347 (insert_phi_nodes_for, mark_use_interesting): Call
7348 mark_phi_for_rewrite.
7349 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7350 (update_ssa): Initialize and free phis_to_rewrite.
7352 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7354 PR rtl-optimization/27291
7355 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7356 folded to a constant.
7358 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7360 PR tree-optimization/27283
7361 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7362 not whole # of iteration descriptions.
7363 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7364 uses abnormal ssa name.
7365 (niter_for_single_dom_exit): Ditto.
7366 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7367 return just the number of iterations.
7369 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7371 PR tree-optimization/27144
7372 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7373 (record_estimate): Only record constant upper bound.
7374 (infer_loop_bounds_from_undefined): Call
7375 compute_estimated_nb_iterations just once.
7376 (proved_non_wrapping_p): Renamed to ...
7377 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7378 (convert_step_widening, scev_probably_wraps_p): Call
7379 n_of_executions_at_most instead of proved_non_wrapping_p.
7380 (substitute_in_loop_info): Do not replace values in bounds.
7381 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7384 2006-05-01 Richard Henderson <rth@redhat.com>
7387 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7388 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7391 2006-05-01 Roger Sayle <roger@eyesopen.com>
7393 * c-typeck.c (parser_build_binary_op): Don't call the function
7394 unsigned_conversion_warning to spot operand/result type overflow.
7395 (build_binary_op): Instead, call convert_and_check instead of
7396 convert to report the problem when the operands are promoted.
7397 * c-common.c (unsigned_conversion_warning): Make static.
7398 * c-common.h (unsigned_conversion_warning): Delete prototype.
7400 2006-05-01 Richard Guenther <rguenther@suse.de>
7402 PR tree-optimization/26726
7403 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7405 (find_interesting_uses_address): ... we work around here
7406 by folding INDIRECT_REFs in the substituted base.
7408 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7410 * omp-low.c (dump_omp_region): Add newlines.
7412 2006-04-30 Roger Sayle <roger@eyesopen.com>
7414 * common.opt (Woverflow): New command line option.
7415 * c-common.c (constant_expression_warning): Check warn_overflow.
7416 (overflow_waring): Pass OPT_Woverflow to warning.
7417 (unsigned_conversion_warning): Likewise.
7418 (convert_and_check): Likewise.
7419 * doc/invoke.texi: Document new command line option.
7421 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7423 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7424 TARGET_NO_FP_IN_TOC for section anchors.
7425 (optimization_options): Enable section anchors for all
7426 non-"Objective" languages.
7428 2006-04-28 Eric Christopher <echristo@apple.com>
7430 * config/darwin-c.c (darwin_ms_struct): Move this
7431 (darwin_set_default_type_attributes): and this...
7432 * config/darwin.c: ... here.
7433 * config/darwin.h (darwin_ms_struct): Declare.
7435 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7437 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7439 2006-04-28 Roger Sayle <roger@eyesopen.com>
7442 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7443 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7444 an unsigned HOST_WIDE_INT.
7445 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7447 (really_start_incremental_init): No need to call convert because
7448 bitsize_zero_node is already of type bitsizetype.
7449 (push_init_level): Extract the value of constructor_index as an
7450 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7451 (process_init_element): Likewise.
7453 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7455 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7456 value before passing to make_relative_prefix.
7458 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7461 * builtins.c (expand_builtin_memset): Expand val in original mode.
7463 2006-04-27 Eric Christopher <echristo@apple.com>
7465 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7466 with #ifndef/#endif.
7467 * config/darwin-c.c (darwin_ms_struct): New.
7468 (darwin_pragma_ms_struct): Ditto.
7469 (darwin_set_default_type_attributes): Ditto.
7470 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7471 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7472 Register ms_struct pragma.
7473 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7474 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7475 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7476 darwin_set_default_type_attributes if TARGET_MACHO.
7478 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7480 PR tree-optimization/26854
7481 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7482 * doc/tree-ssa.texi: Update immuse iterator documentation.
7483 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7484 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7485 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7486 first_safe_imm_use, next_safe_imm_use): Remove.
7487 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7488 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7489 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7490 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7491 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7492 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7493 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7494 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7495 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7496 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7497 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7498 (perfect_nestify): Use new iterator.
7499 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7501 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7502 (next_imm_name): New field in struct immediate_use_iterator_d.
7503 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7504 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7505 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7506 * tree-cfg.c (replace_uses_by): Use new iterator.
7507 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7508 * tree-ssa-operands.c (correct_use_link): Remove.
7509 (finalize_ssa_use_ops): No longer call correct_use_link.
7511 2006-04-27 Stuart Hastings <stuart@apple.com>
7513 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7514 * config/t-darwin (crt3.o): Use it.
7515 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7516 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7517 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7518 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7519 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7522 2006-04-27 Roger Sayle <roger@eyesopen.com>
7524 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7525 size, force the intermediate into a new pseudo rather instead of
7526 performing both a bitwise AND and a bitwise IOR in memory.
7528 2006-04-27 Richard Guenther <rguenther@suse.de>
7530 PR rtl-optimization/26685
7531 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7532 this one "max-flow-memory-locations".
7534 2006-04-27 Richard Guenther <rguenther@suse.de>
7536 PR tree-optimization/25148
7537 * tree-vrp.c (compare_values): Remove code dealing with
7538 comparisons against type min/max value. Honour overflow
7539 and negative constants in code dealing with comparisons
7540 of plus and minus expressions.
7541 (value_inside_range): Use fold_binary with LE_EXPR and
7542 GE_EXPR rather than compare_values.
7544 2006-04-27 Dirk Mueller <dmueller@suse.de>
7546 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7549 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7551 * basic-block.h (safe_insert_insn_on_edge): Removed.
7552 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7554 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7555 Paolo Bonzini <bonzini@gnu.org>
7558 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7559 (simplify_and_const_int): Same.
7561 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7563 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7565 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7568 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7569 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7570 cgraph_global_info_ready.
7573 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7576 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7577 either decl or init is error_mark_node.
7580 * tree-flow.h (struct omp_region): Add sched_kind.
7581 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7582 instead of extracting omp for data.
7583 (expand_omp_for): Save extracted sched_kind.
7585 2006-04-25 Roger Sayle <roger@eyesopen.com>
7587 * expmed.c (store_bit_field): Also check whether the bitsize is
7588 valid for the machine's "insv" instruction before moving the
7589 target into a pseudo for use with the insv.
7590 * config/i386/predicates.md (const8_operand): New predicate.
7591 * config/i386/i386.md (extv, extzv, insv): Use the new
7592 const8_operand predicate where appropriate.
7594 2006-04-25 DJ Delorie <dj@redhat.com>
7596 * doc/install.texi (Specific): Clarify that this is not a list of
7597 supported hosts or targets.
7599 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7601 PR rtl-optimization/26725
7602 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7603 block's BB_DIRTY flag.
7605 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7607 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7610 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7611 to print an integer.
7613 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7615 * varasm.c (align_variable): New function.
7616 (get_block_for_decl): Apply align_variable to DECL before
7617 calculating section information.
7618 (assemble_variable): Split out alignment computation.
7620 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7622 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7625 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7627 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7628 MODE_PARTIAL_INT mode.
7629 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7630 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7632 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7633 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7635 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7637 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7639 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7640 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7641 MACFLAG_IH): Likewise.
7642 (movstricthi_1): Renamed from "*movstricthi".
7643 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7644 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7645 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7646 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7647 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7648 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7649 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7650 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7651 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7652 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7653 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7654 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7655 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7656 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7657 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7659 * doc/rtl.texi (ss_ashift): Improve wording.
7661 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7663 * dwarf2out.c (verify_marks_clear): New.
7664 (prune_unused_types): Call verify_marks_clear initially, not
7667 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7669 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7670 * doc/rtl.texi: Document them.
7671 * simplify-rtx.c (simplify_unary_operation,
7672 simplify_binary_operation_1): Don't abort when we see them.
7674 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7677 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7678 * configure.ac: Completely disregard languages that are not
7680 * configure: Regenerated.
7682 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7683 Richard Guenther <rguenther@suse.de>
7685 PR tree-optimization/27236
7686 * tree-inline.c (copy_body_r): Make sure to copy
7687 TREE_THIS_VOLATILE flag.
7689 2006-04-24 Richard Guenther <rguenther@suse.de>
7692 * tree-complex.c (update_parameter_components): Don't handle
7693 unused parameters which have no default def.
7695 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7696 Richard Guenther <rguenther@suse.de>
7698 PR tree-optimization/27218
7699 * tree-inline.c (expand_call_inline): Strip useless type
7700 conversions for the return slot address.
7702 2006-04-24 Richard Guenther <rguenther@suse.de>
7704 * cfgloop.h (struct loops): Remove unused field array. Reorder
7706 (LOOP_PREFETCH): Remove.
7708 2006-04-24 Richard Guenther <rguenther@suse.de>
7710 PR tree-optimization/22525
7711 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7712 variable, adjust types of generated expressions.
7714 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7716 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7717 (tree-vect-patterns.o): Likewise.
7719 (cselib.o): Likewise.
7720 (loop-doloop.o): Likewise.
7721 (regclass.o): Likewise.
7722 (reload1.o): Likewise.
7723 (explow.o): Replace target.h with $(TARGET_H).
7724 (ipa-prop.o): Likewise.
7725 (ipa-cp.o): Likewise.
7726 (ipa-inline.o): Likewise.
7727 (reorg.o): Likewise.
7728 (reg-stack.o): Likewise.
7730 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7732 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7734 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7736 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7738 * configure.ac: Completely disregard languages that are not
7740 * configure: Regenerated.
7743 * c-common.h (c_build_bitfield_integer_type): Declare.
7744 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7745 * c-common.c (c_build_bitfield_integer_type): ... here.
7747 2006-04-23 Roger Sayle <roger@eyesopen.com>
7750 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7751 a SImode SUBREG of a floating point register after no_new_pseudos.
7753 2006-04-23 Roger Sayle <roger@eyesopen.com>
7755 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7756 identify potentially eliminable registers to additionally catch
7757 VIRTUAL_INCOMING_ARGS_REGNUM.
7758 (addsi3): Update the conditions on when to use addsi_small_int.
7760 2006-04-23 Roger Sayle <roger@eyesopen.com>
7763 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7764 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7765 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7767 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7769 * fold-const.c (range_predecessor): Use operand_equal_p
7770 as the predicate for equality.
7771 (range_successor): Likewise.
7773 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7776 * config/soft-fp/op-common.h: Fix a typo.
7778 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7781 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7782 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7784 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7786 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7788 * doc/tm.texi: Fix a typo.
7790 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7792 * dwarf2out.c (struct die_struct): Document that die_sib makes
7793 a circular linked list.
7794 (FOR_EACH_CHILD): New.
7795 (reverse_die_lists): Delete.
7796 (reverse_all_dies): Delete.
7797 (add_dwarf_attr): Correct documentation.
7798 (remove_child_with_prev): New.
7799 (remove_child_TAG): Update for change to die_struct, use
7800 remove_child_with_prev.
7801 (add_child_die): Update for change to die_struct.
7802 (splice_child_die): Use remove_child_with_prev and add_child_die.
7803 (print_die): Use FOR_EACH_CHILD.
7804 (die_checksum): Likewise.
7805 (assign_symbol_names): Likewise.
7806 (output_location_lists): Likewise.
7807 (build_abbrev_table): Likewise.
7808 (calc_die_sizes): Likewise.
7809 (mark_dies): Likewise.
7810 (unmark_dies): Likewise.
7811 (unmark_all_dies): Likewise.
7812 (output_die): Likewise.
7813 (prune_unused_types_mark): Likewise.
7814 (prune_unused_types_walk): Likewise.
7815 (same_die_p): Update for change to die_struct.
7816 (break_out_includes): Likewise.
7817 (prune_unused_types_prune): Likewise.
7818 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7819 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7821 (dwarf2out_finish): Don't call reverse_all_dies.
7823 2006-04-21 Eric Christopher <echristo@apple.com>
7825 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7826 in comments and function names.
7828 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7831 * c-typeck.c (digest_init): Robustify.
7833 * c-typeck.c (pop_init_level): Simplify.
7835 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7837 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7839 2006-04-21 Paul Brook <paul@codesourcery.com>
7841 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7842 hardware floating point.
7844 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7846 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7849 2006-04-21 Nick Clifton <nickc@redhat.com>
7851 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7854 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7857 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7858 C++ lang type in traceback table for Objective-C++.
7860 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7862 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7864 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7866 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7869 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7870 were errors. Remove check for erroneous objects.
7872 2006-04-20 Jeff Law <law@redhat.com>
7874 PR tree-optimization/26854
7875 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7876 checking for zero or one use.
7877 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7878 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7879 * tree-ssa-reassoc.c (negate_value): Similarly.
7880 (reassociate_bb): Similarly.
7882 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7884 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7885 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7886 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7888 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7890 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7891 fp regs if the last fp arg doesn't fit in regs.
7893 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7896 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7897 that the last insn has the REG_INC note.
7899 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7900 Nathan Sidwell <nathan@codesourcery.com>
7903 * stor-layout.c (update_alignment_for_field): Do not align
7905 (place_union_field): Place union field at the start of the union.
7906 (place_field): Move ERROR_MARK check later, and use the current
7907 allocation position to maintain monotonicity.
7909 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7911 * dominance.c: Include timevar.h.
7912 (calculate_dominance_info): Use TV_DOMINANCE.
7913 * timevar.def (TV_DOMINANCE): New timevar.
7914 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7916 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7918 PR rtl-optimization/14261
7919 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7920 move would be an INSV insn.
7921 (noce_process_if_block): Don't optimize if the destination is a
7922 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7924 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7926 * config/s390/s390.md: Add comments with the instructions emitted
7927 by an insn pattern if macros are used.
7929 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7931 PR rtl-optimization/26026
7932 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7933 is a known power of two shifted left a variable amount.
7935 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7937 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7938 to hash table twice when the debug_str section has SECTION_MERGE.
7940 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7942 * config/soft-fp: New directory. From glibc.
7943 * config/soft-fp/t-softfp: New.
7944 * config/soft-fp/README: New.
7945 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7946 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7947 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7948 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7949 * config.gcc: Use rs6000/t-fprules-fpbit or
7950 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7952 * config/rs6000/sfp-machine.h: New. Based on glibc.
7953 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7955 * config/rs6000/t-fprules: Remove fp-bit rules.
7956 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7957 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7958 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7959 (softfp_wrap_start, softfp_wrap_end): New.
7961 2006-04-18 DJ Delorie <dj@redhat.com>
7963 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7965 2006-04-18 Devang Patel <dpatel@apple.com>
7967 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7969 2006-04-18 Nick Clifton <nickc@redhat.com>
7971 * config/sh/t-symbian: Add rule to build sh-c.o
7972 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7973 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7974 (sh_symbian_encode_section_info): Likewise.
7976 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7978 * builtins.c (expand_builtin_strcmp): Cover label definition of
7979 do_libcall with HAVE_cmpstrnsi.
7981 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7983 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7985 * function.h (temp_slot_p): New.
7986 (function): Change the type of x_used_temp_slots to
7987 VEC(temp_slot_p,gc) *.
7989 2006-04-18 Nick Clifton <nickc@redhat.com>
7991 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7992 flag_strength_reduce.
7994 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7996 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8000 Partial revert of revision 112637
8001 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8002 Dale Johannesen <dalej@apple.com>
8005 * regclass.c (struct reg_pref): Update documentation.
8006 (regclass): Set prefclass to NO_REGS if memory is the best option.
8007 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8009 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8011 PR tree-optimization/26821
8012 * tree-ssa-math-opts.c (get_constant_one): New.
8013 (insert_reciprocals): Use it.
8015 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8017 * dwarf2out.c (free_AT): Delete.
8018 (remove_AT): Update string ref counts.
8019 (remove_child_TAG): Don't call free_die.
8021 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8022 or DW_TAG_GNU_EINCL.
8023 (prune_unused_types_walk_attribs): Reset string refcounts.
8024 (prune_unused_types_update_strings): New.
8025 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8026 call free_die. Do call prune_unused_types_update_strings.
8027 (prune_unused_types): Empty debug_str_hash.
8029 2006-04-17 Roger Sayle <roger@eyesopen.com>
8031 * expr.c (expand_assignment): Optimize away no-op moves where the
8032 source and destination are equal and have no side-effects.
8034 2006-04-17 Richard Guenther <rguenther@suse.de>
8037 * reload.c (push_reload): Guard calls to get_secondary_mem
8040 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8042 * alias.c (reg_base_value, old_reg_base_value): Change the
8043 type to VEC(rtx,gc) *.
8044 (REG_BASE_VALUE, find_base_value, record_set,
8045 init_alias_analysis): Use VEC instead of VARRAY.
8047 * alias.c (alias_sets): Change the type to
8048 VEC(alias_set_entry,gc) *.
8049 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8050 VEC instead of VARRAY.
8051 (last_alias_set): Remove.
8053 * cgraph.h (cgraph_edge_p): New.
8054 Update the prototype of cgraph_function_versioning.
8055 * cgraphunit.c (cgraph_copy_node_for_versioning,
8056 cgraph_function_versioning): Use VEC instead of VARRAY.
8057 * ipa-cp.c (ipcp_insert_stage): Likewise.
8059 2006-04-16 Roger Sayle <roger@eyesopen.com>
8062 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8063 "A op B" or "A op C", we may need to convert A to the type of B and C.
8065 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8067 * target.h (struct gcc_target): Add mode_rep_extended.
8068 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8069 (init_num_sign_bit_copies_in_rep): Initialize it using
8071 (truncate_to_mode): Use it.
8072 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8073 * targhooks.h (default_mode_rep_extended): Declare it.
8074 * targhooks.c (default_mode_rep_extended): Define it.
8075 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8076 default_mode_rep_extended.
8077 (TARGET_INITIALIZER): Include it.
8078 * doc/tm.texi (Misc): Document it.
8079 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8080 (mips_truncated_to_mode): New function.
8082 2006-04-16 Roger Sayle <roger@eyesopen.com>
8085 * expr.c (compress_float_constant): Copy the narrow constant into
8086 a new pseudo before extending it to its final width.
8088 2006-04-16 Roger Sayle <roger@eyesopen.com>
8089 Andrew Pinski <pinskia@gcc.gnu.org>
8090 Dale Johannesen <dalej@apple.com>
8093 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8094 special case code to implement V8HImode and V16QImode with SSE2.
8096 2006-04-15 Roger Sayle <roger@eyesopen.com>
8098 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8099 trees are constructed with a suitable tree type.
8101 2006-04-15 Roger Sayle <roger@eyesopen.com>
8103 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8104 (integer_onep): Likewise.
8105 (integer_all_onesp): Likewise.
8106 (integer_pow2p): Likewise.
8107 (integer_nonzerop): Likewise.
8108 (real_zerop): Likewise.
8109 (real_onep): Likewise.
8110 (real_twop): Likewise.
8111 (real_minus_onep): Likewise.
8112 (int_size_in_bytes): Likewise.
8113 (host_integerp): Likewise.
8115 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8117 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8118 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8119 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8121 * tree-ssa-structalias.h (alias_info): Remove num_references.
8123 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8125 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8126 (output_bvb patterns): Likewise.
8127 * pa.c (output_bb): Use 'bb' insn for long branch case.
8128 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8129 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8130 1. Correct length operand for alternatives 1 and 2.
8131 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8132 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8134 2006-04-14 Roger Sayle <roger@eyesopen.com>
8136 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8137 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8138 were accidentally reverted by r112959.
8140 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8143 * except.h (eh_region_outermost): New prototype.
8144 * except.c (eh_region_outermost): New function.
8145 * tree-cfg.c (find_outermost_region_in_block): Use it.
8147 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8149 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8151 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8152 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8153 (init_reload, reload): Use VEC instead of VARRAY.
8154 * reload.h: Update the prototype for
8155 reg_equiv_memory_loc_varray.
8157 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8158 Eric Botcazou <ebotcazou@libertysurf.fr>
8160 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8163 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8166 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8167 to expand fallback builtin function call.
8169 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8172 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8173 and emit libcall here in case the builtin fails.
8174 (expand_builtin_strcmp): Always emit the libcall here on failure.
8176 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8178 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8179 * flow.c (reg_n_info): Change the type to
8180 VEC(reg_info_p,heap) *.
8181 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8183 * regs.h (reg_info_p): New.
8184 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8185 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8186 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8189 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8191 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8193 * params.h (MAX_SCHED_READY_INSNS): New macro.
8194 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8195 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8196 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8197 the ready list for 1 cycle during the first scheduling pass.
8198 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8200 2006-04-13 Richard Henderson <rth@redhat.com>
8203 * gimple-low.c (lower_omp_directive): Remove dead code.
8204 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8205 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8206 * omp-low.c (struct omp_region): Move to tree-flow.h.
8207 (root_omp_region): Export.
8208 (omp_regions, lookup_omp_region): Remove.
8209 (determine_parallel_type): Update for struct omp_region changes.
8210 (dump_omp_region): Dump regions with block numbers.
8211 (new_omp_region): Take type and block instead of stmt; malloc
8213 (free_omp_region_1, free_omp_regions): New.
8214 (expand_parallel_call): Take entry_stmt as argument; update for
8215 changes to omp_region.
8216 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8217 (remove_exit_barriers): New.
8218 (expand_omp_parallel): Update for struct omp_region changes.
8219 (expand_omp_synch): Likewise.
8220 (expand_omp): Likewise.
8221 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8222 (expand_omp_for_static_chunk): Likewise.
8223 (expand_omp_for): Likewise.
8224 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8225 (expand_omp_sections): Similarly, with GOMP_sections_end.
8226 (expand_omp_single): New.
8227 (build_omp_regions_1): Update for OMP_CONTINUE.
8228 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8229 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8230 OMP_SECTIONS_SECTIONS.
8231 (lower_omp_single_simple): Don't emit barrier here.
8232 (lower_omp_single_copy): Likewise.
8233 (lower_omp_single): Fix bindings, and lower to straightline now.
8234 (lower_omp_master, lower_omp_ordered): Likewise.
8235 (lower_omp_critical): Likewise.
8236 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8237 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8238 omp edges, free it afterward.
8239 (make_omp_sections_edges): Remove.
8240 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8241 (move_stmt_r): Handle OMP_CONTINUE.
8242 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8243 statement pointers to basic blocks. Add type member.
8244 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8245 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8246 * tree-inline.c (estimate_num_insns_1): Likewise.
8247 * tree-pretty-print.c (dump_generic_node): Likewise.
8248 * tree-ssa-operands.c (get_expr_operands): Likewise.
8249 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8250 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8251 (OMP_CONTINUE): New.
8252 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8253 (OMP_SECTIONS_SECTIONS): Remove.
8254 (OMP_SECTION_LAST): New.
8255 (OMP_RETURN_NOWAIT): New.
8257 2006-04-13 Roger Sayle <roger@eyesopen.com>
8259 * fold-const.c (native_encode_vector, native_interpret_real):
8260 Correct obvious mistakes in the previous check-in.
8262 2006-04-13 Roger Sayle <roger@eyesopen.com>
8264 * fold-const.c (native_encode_expr): New function to encode
8265 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8266 or VECTOR_CST into a specified buffer.
8267 (native_encode_int): New function.
8268 (native_encode_real): New function.
8269 (native_encode_complex): New function.
8270 (native_encode_vector): New function.
8271 (native_interpret_expr): Inverse of native_encode_expr to convert
8272 a target representation into an INTEGER_CST, REAL_CST etc...
8273 (native_interpret_int): New function.
8274 (native_interpret_real): New function.
8275 (native_interpret_complex): New function.
8276 (native_interpret_vector): New function.
8277 (fold_view_convert_expr): New function to constant fold/evaluate
8278 a VIEW_CONVERT_EXPR of a suitable constant expression.
8279 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8280 Change call of build1 to fold_build1 when constructing a
8283 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8284 Ulrich Weigand <uweigand@de.ibm.com>
8287 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8290 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8293 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8294 optimize to lo_sum for DFmode if !TARGET_FPRS.
8296 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8298 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8299 delete_alias_info, compute_flow_sensitive_aliasing,
8300 group_aliases): Use VEC instead of VARRAY.
8301 * tree-ssa-structalias.c (update_alias_info): Likewise.
8302 * tree-ssa-structalias.h (alias_info): Change the type of
8303 processed_ptrs to VEC(tree,heap) *.
8305 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8308 * config/sh/lib1funcs.h: New file, broken out of:
8309 * config/sh/lib1funcs.asm.
8310 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8312 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8313 * config/sh/lib1funcs-Os-4-200.asm: New file.
8314 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8315 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8316 (EXTRA_MULTILIB_PARTS): Include it.
8317 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8318 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8319 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8320 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8323 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8325 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8326 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8327 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8329 * tree-ssa-live.h: Include vecprim.h.
8330 (tree_partition_associator_d): Change the type of
8331 first_partition to VEC(int,heap) *.
8332 (tpa_first_partition): Use VEC instead of VARRAY.
8334 * Makefile.in (GTFILES): Move functions.h after tree.h.
8335 * function.c (reset_block_changes, record_block_change,
8336 check_block_change, free_block_changes): Use VEC instead of
8338 * function.h (function): Change the type of
8339 ib_boundaries_block to VEC(tree,gc) *.
8340 * tree-inline.c (copy_cfg_body): Initialize
8341 ib_boundaries_block to NULL instead of (varray_type) 0.
8343 2006-04-12 Roger Sayle <roger@eyesopen.com>
8345 * expr.c (emit_group_store): Correct operand order in call to
8346 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8347 a SUBREG_BYTE of zero.
8349 2006-04-12 Richard Guenther <rguenther@suse.de>
8351 * profile.c (compute_branch_probabilities): Remove code
8352 encapsulated in !ir_type (), which are remanents of the
8353 removed RTL profiling code.
8354 * rtl-profile.c: Remove.
8356 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8358 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8359 magic NULL_RTX comment.
8360 (function_arg): Store entire fp arg to mem if any part should go
8362 (rs6000_arg_partial_bytes): Adjust for above change.
8364 2006-04-11 Roger Sayle <roger@eyesopen.com>
8366 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8367 if it hasn't been initialized by dwarf2out_init.
8369 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8371 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8372 symbolic constants in branch patterns.
8374 2006-04-11 Roger Sayle <roger@eyesopen.com>
8376 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8378 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8380 PR rtl-optimization/27073
8381 * gcse.c (try_replace_reg): Revert last change. Continue to search
8382 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8385 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8387 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8388 aggregate types other than record and union types.
8389 (function_arg): Likewise.
8390 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8392 (function_value): In 64-bit mode, return objects that require it
8395 2006-04-11 Roger Sayle <roger@eyesopen.com>
8397 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8399 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8401 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8403 2006-04-03 Jeff Law <law@redhat.com>
8406 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8407 alias information too.
8409 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8411 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8413 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8416 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8417 (premark_used_types_helper): New.
8418 (premark_used_types): New.
8419 (gen_subprogram_die): Call premark_used_types.
8420 (prune_unused_types_walk): Do not prune perennial dies.
8421 * function.c (used_types_insert): New.
8422 * function.h (struct function): Add used_types_hash field.
8423 (used_types_insert): Add prototype.
8424 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8425 * c-parser.c (c_parser_cast_expression): Save casted types in used
8428 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8431 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8432 rs6000_explicit_options.float_gprs.
8434 2006-04-10 Roger Sayle <roger@eyesopen.com>
8436 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8437 from ix86_expand_vector_init_low_nonzero. Take an additional
8438 one_var argument indicating which element is non-zero. Support
8439 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8440 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8441 with one_var instead of ix86_expand_vector_init_low_nonzero.
8443 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8445 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8446 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8447 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8448 build/genextract.o): Depend on vecprim.h.
8449 * cfglayout.c, df-problems.c, function.c, genextract.c,
8450 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8451 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8455 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8457 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8458 Declare VECs of this type.
8459 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8460 (remove_children): Delete.
8461 (add_dwarf_attr): Use VEC routines.
8462 (add_AT_flag): Update for changes to add_dwarf_attr.
8463 (add_AT_int): Likewise.
8464 (add_AT_unsigned): Likewise.
8465 (add_AT_long_long): Likewise.
8466 (add_AT_vec): Likewise.
8467 (add_AT_string): Likewise.
8468 (add_AT_die_ref): Likewise.
8469 (add_AT_fde_ref): Likewise.
8470 (add_AT_loc): Likewise.
8471 (add_AT_loc_list): Likewise.
8472 (add_AT_addr): Likewise.
8473 (add_AT_lbl_id): Likewise.
8474 (add_AT_lineptr): Likewise.
8475 (add_AT_macptr): Likewise.
8476 (add_AT_offset): Likewise.
8477 (add_AT_range_list): Likewise.
8478 (get_AT): Use VEC_iterate.
8479 (remove_AT): Use VEC_ordered_remove.
8480 (free_die): Fold remove_children into here; have it use VEC_iterate.
8481 (print_die): Use VEC_iterate on attrs.
8482 (reverse_die_lists): Don't reverse attr lists.
8483 (die_checksum): Use VEC_iterate on attrs.
8484 (same_die_p): Likewise.
8485 (output_location_lists): Likewise.
8486 (build_abbrev_table): Likewise.
8487 (size_of_die): Likewise.
8488 (unmark_all_dies): Likewise.
8489 (output_abbrev_section): Likewise.
8490 (output_die): Likewise.
8491 (prune_unused_types_walk_attribs): Likewise.
8493 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8495 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8497 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8500 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8502 2006-04-09 Roger Sayle <roger@eyesopen.com>
8504 * expr.c (store_constructor): Don't bother clearing target if
8505 we're about to assign a vector to it using vec_init_optab.
8507 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8509 * tree-ssa-alias.c (lhs_may_store_to): New function.
8510 (recalculate_used_alone): Handle LHS of calls.
8512 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8516 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8517 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8518 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8519 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8520 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8521 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8522 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8523 stubs. Add ".align 8" directives before all ".dword" directives.
8524 (GTHREAD_USE_WEAK): Revise comment.
8525 (TARGET_ATTRIBUTE_WEAK): Define.
8526 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8527 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8528 * stublib.c: New file.
8533 * pa.md (cbranch patterns): Revise arguments used in calls to
8534 output_cbranch, output_bb and output_bvd. Add long branch length
8536 (fbranch patterns): Handle long branches.
8537 (jump): Revise length check. Revise arguments for output_lbranch call.
8538 Add long branch length attributes.
8539 (decrement_and_branch_until_zero): Add long branch length attributes.
8540 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8541 Likewise. Revise arguments for output_parallel_addb and
8542 output_parallel_movb calls.
8543 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8544 output_parallel_movb and output_parallel_addb): Update prototypes.
8545 * pa.c (output_cbranch): Revise arguments. Correct handling of
8546 nullification in long branches.
8547 (output_lbranch): Add new argument to control extraction of delay
8549 (output_bb): Handle long branches.
8550 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8551 output_parallel_addb): Likewise.
8553 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8555 PR rtl-optimization/27073
8556 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8559 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8561 * tree.h (tree_memory_tag): Add old_used_alone.
8562 (SMT_OLD_USED_ALONE): New macro.
8563 * tree-ssa-alias.c (recalculate_used_alone): Stop
8564 marking things for renaming unnecessarily.
8566 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8568 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8569 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8570 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8571 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8572 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8573 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8574 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8575 spelling convensions.
8576 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8577 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8578 typos. Follow spelling conventions.
8580 2006-04-07 DJ Delorie <dj@redhat.com>
8582 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8583 passed on the stack.
8584 (m32c_init_cumulative_args): When a function returns a structure,
8585 always pass the pointer to that return area on the stack.
8586 (m32c_function_arg_advance): Don't increment the parameter number
8587 if we're processing the returned structure pointer.
8588 (pushm_info): Reverse order of registers.
8590 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8592 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8593 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8594 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8595 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8597 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8598 chrec_fold_multiply): Same.
8599 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8600 force_expr_to_var_cost): Same.
8601 * tree-mudflap.c (mf_xform_derefs_1): Same.
8602 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8604 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8606 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8607 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8610 2006-04-07 Jan Hubicka <jh@suse.cz>
8612 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8614 2006-04-07 Richard Guenther <rguenther@suse.de>
8616 PR tree-optimization/26135
8617 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8618 loads for store copy-prop.
8619 (copy_prop_visit_stmt): Likewise.
8621 2006-04-05 Robert Millan <robertmh@gnu.org>
8623 * config/i386/linux.h: Add a comment to mark macros that are
8624 being overriden in config/k*bsd-gnu.h.
8625 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8627 * config/knetbsd-gnu.h: Ditto.
8629 2006-04-06 Jan Hubicka <jh@suse.cz>
8633 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8636 2006-04-06 Mike Stump <mrs@apple.com>
8638 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8639 for HAVE_nonlocal_goto to be consistent.
8640 (expand_builtin_nonlocal_goto): Likewise.
8641 (expand_builtin_strcmp): Use #ifdef instead of #if
8642 for HAVE_cmpstrnsi to be consistent.
8644 2006-04-05 DJ Delorie <dj@redhat.com>
8646 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8649 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8651 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8652 got-relative addressing for anything but SImode.
8654 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8655 even if the calling function doesn't modify them.
8657 2006-04-05 Richard Guenther <rguenther@suse.de>
8659 PR tree-optimization/26919
8660 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8661 to cgraph_estimate_size_after_inlining.
8663 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8665 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8667 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8669 PR tree-optimization/26996
8670 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8671 VECTOR_TYPE variables.
8673 2006-04-05 Richard Guenther <rguenther@suse.de>
8675 PR tree-optimization/26763
8676 * fold-const.c (fold_comparison): Move folding of
8677 PTR + CST CMP PTR + CST ...
8678 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8680 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8682 * doc/install.texi (Prerequisites): Refine some wording on
8683 bootstrapping and ksh.
8684 Move the version numbers of DejaGnu here from the testing section
8685 and fix casing of names.
8686 Fix markup and clarify wording for autogen requirements.
8687 Refer to GCJ instead of just java.
8688 Refer to SVN instead of CVS.
8689 Describe diffutils as useful instead of necessary.
8690 (Downloading the source): Refer to SVN instead of CVS.
8691 Adjust a link to our web site accordingly.
8692 (Configuration): Fix casing of Bison.
8693 (Building): Refer to SVN instead of CVS.
8694 Fix a sentence on the use of Bison and remove duplicate (and
8695 incorrect) version number of Bison requirement.
8696 Remove one redundant list of packages needed for building.
8697 (Specific): Avoid reference to CVS.
8699 2006-04-04 Eric Christopher <echristo@apple.com>
8701 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8702 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8703 (rs6000_handle_struct_attribute): New.
8704 (rs6000_ms_bitfield_layout_p): Ditto.
8706 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8708 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8709 NULL for dso parameter to atexit_common.
8711 2006-04-04 Eric Christopher <echristo@apple.com>
8713 * config/i386/i386.c (machopic_output_stub): Output \t
8714 between instructions and operands.
8716 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8718 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8719 satisfies_constraint_[IL] to explicit tests on value.
8721 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8723 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8724 set_nb_iterations_in_loop): Use build_int_cst instead of
8726 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8727 build_int_cst instead of convert.
8729 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8731 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8732 new value 2 for incoming.
8733 * function.c (expand_function_start): Call struct_value_rtx
8735 * config/sparc/sparc.md: Comment updated_return.
8736 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8737 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8738 struct return if sparc_std_struct_return and incoming is 2.
8739 (print_operand): Do not adjust return if
8740 sparc_std_struct_return.
8742 2006-04-04 Roger Sayle <roger@eyesopen.com>
8744 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8745 convert in the middle-end.
8746 * expr.c (store_expr, store_constructor, get_inner_reference,
8747 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8749 * tree.c (build_range_type): Likewise.
8751 2006-04-04 Tom Tromey <tromey@redhat.com>
8753 * doc/install.texi (Prerequisites): Mention jar.
8755 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8757 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8760 2006-04-04 Matthias Klose <doko@debian.org>
8762 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8766 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8769 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8771 * doc/extend.texi (Function Attributes): Rewrite visibility
8772 attribute documentation.
8773 * doc/invoke.texi (C++ Dialect Options): Rewrite
8774 -fvisibility-inlines-hidden documentation to describe something
8775 entirely different, although in practise compatible.
8776 (Code Gen Options): Warn about system headers in -fvisibility=
8779 * doc/extend.texi (Other Builtins): Document that
8780 __builtin_nan is a compile-time constant only when its argument
8783 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8785 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8786 trying to remove TRUNCATE check if all bits outside the new mode
8787 are identical to the sign bit.
8789 2006-04-03 Jeff Law <law@redhat.com>
8791 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8792 and operand scanning in some common cases.
8794 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8795 Dale Johannesen <dalej@apple.com>
8798 * regclass.c (struct reg_pref): Update documentation.
8799 (regclass): Set prefclass to NO_REGS if memory is the best option.
8800 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8801 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8802 into account. For non-registers, equate an empty preferred
8803 reload class to a `!' in the constraint; move the if clause to
8804 do so after those that reject the insn.
8805 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8807 (find_dummy_reload): Likewise.
8808 * doc/tm.texi (Register Classes): Document what it means
8809 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8810 * config/i386/i386.c (ix86_preferred_reload_class): Force
8811 using SSE registers (and return NO_REGS for floating-point
8812 constants) if math is done with SSE.
8813 (ix86_preferred_output_reload_class): New.
8814 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8815 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8816 * config/i386/i386.md: Remove # register preferences.
8818 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8821 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8822 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8823 the type of nb_iter.
8824 (instantiate_parameters_1): Convert the operands before calling
8825 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8826 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8828 2006-04-02 Roger Sayle <roger@eyesopen.com>
8830 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8831 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8833 * dojump.c (do_jump): Likewise.
8834 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8835 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8836 gimplify_boolean_expr): Likewise.
8837 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8838 * varasm.c (array_size_for_constructor): Likewise.
8839 * tree-object-size.c (compute_object_offset): Likewise.
8841 2006-04-02 Roger Sayle <roger@eyesopen.com>
8844 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8845 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8847 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8849 PR tree-optimization/26939
8850 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8852 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8854 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8855 at_stmt. Convert the type of operands before calling
8856 build_polynomial_chrec.
8857 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8859 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8860 (instantiate_parameters_1): Convert the type of operands before calling
8861 build_polynomial_chrec.
8862 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8863 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8864 reset_evolution_in_loop): Insert asserts to check the types of the
8866 (chrec_type): Moved...
8867 (eq_evolutions_p): Use operand_equal_p.
8868 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8869 the types of the operands.
8870 (chrec_type): ...here.
8871 * tree-data-ref.c (create_data_ref): Convert the operands before
8872 calling chrec_replace_initial_condition.
8873 (same_access_functions, analyze_subscript_affine_affine,
8874 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8875 (compute_subscript_distance, analyze_ziv_subscript,
8876 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8877 analyze_miv_subscript): Convert the operands before calling
8878 chrec_fold_minus or chrec_fold_plus.
8880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8882 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8883 the dependence_relations vector.
8884 (compute_data_dependences_for_loop): Adjust call to
8885 compute_all_dependences.
8887 2006-04-01 Roger Sayle <roger@eyesopen.com>
8888 Richard Henderson <rth@redhat.com>
8890 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8891 gimple_boolify on the condition before calling gimplify_expr.
8893 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8895 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8896 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8897 the frame size. Update to use the new macros.
8898 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8899 * config/xtensa/ieee754-df.S: Likewise.
8901 2006-03-31 Richard Henderson <rth@redhat.com>
8903 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8904 (make_edges): ... here. Control fallthru creation with a local
8905 variable. Do not play with fake edges.
8906 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8907 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8910 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8912 * dwarf2.h (DW64_CIE_ID): Define.
8913 * dwarf2out.c (DWARF_CIE_ID): Define.
8914 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8915 length header. Use DWARF_CIE_ID.
8916 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8917 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8919 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8921 * config/sh/linux-atomic.asm: New file.
8922 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8924 2006-03-31 DJ Delorie <dj@redhat.com>
8926 * config/m32c/cond.md: Set condition flags properly throughout.
8927 * config/m32c/minmax.md: Likewise.
8928 * config/m32c/prologue.md: Likewise.
8929 * config/m32c/bitops.md: Likewise.
8930 * config/m32c/muldiv.md: Likewise.
8931 * config/m32c/mov.md: Likewise.
8932 * config/m32c/addsub.md: Likewise.
8933 * config/m32c/m32c.md: Likewise.
8934 * config/m32c/jump.md: Likewise.
8935 * config/m32c/shift.md: Likewise.
8937 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8938 conditionally output the pattern for this.
8939 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8940 (m32c_compare_redundant): New.
8941 (m32c_output_compare): New.
8942 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8944 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8945 dest, not src. Allow other 4-byte modes.
8947 2006-03-30 Denis Chertykov <denisc@overta.ru>
8949 * doc/md.texi: Refer to avr/constraints.md instead of
8952 2006-03-30 Roger Sayle <roger@eyesopen.com>
8954 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8955 signed vs. unsigned comparison failures on some hosts.
8957 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8960 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8961 change to FLOAT_REGS.
8963 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8964 (rs6000_override_options): Use it.
8965 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8966 only for -mabi=spe/no-spe and -mabi=altivec.
8968 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8970 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8973 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8975 * Makefile.in: Rename docdir to gcc_docdir.
8977 2006-03-30 Roger Sayle <roger@eyesopen.com>
8980 * expr.c (emit_group_store): Optimize group stores into a pseudo
8981 register by using a paradoxical subreg to initialize the destination
8982 if the first or last member of the group specifies a "low part".
8984 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8987 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8988 * target.h (struct gcc_target.speculate_insn): Change type of the
8989 second parameter to 'int'.
8990 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8991 the second operand of the DEPS_LIST.
8992 (copy_DEPS_LIST_list): Update reference to the second operand of the
8994 * rtl.h (alloc_DEPS_LIST): Update signature.
8995 * sched-int.h (ds_t): Change typedef to 'int'.
8996 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8998 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9000 * haifa-sched.c (try_ready): Change condition to restore
9001 non-speculative pattern of the instruction.
9002 (process_insn_depend_be_in_spec): Code to keep probability of the
9003 speculative dependence non-decreasing.
9005 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9007 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9008 (single_move_for_movmem): ... this. Also change all uses.
9009 (bfin_expand_strmov): Renamed to...
9010 (bfin_expand_movmem): ... this. Also change all uses.
9011 * config/bfin/bfin.md (movstrsi): Renamed to...
9012 (movstrsi): ...this.
9014 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9016 PR tree-optimization/26830
9018 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9019 (copy_prop_visit_stmt): Remove write-only variable ann.
9020 (init_copy_prop): Check variable loop depth here. Do not simulate
9021 memory-tag and virtual operand PHIs except for store copy prop.
9023 2006-03-30 Richard Guenther <rguenther@suse.de>
9025 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9026 variants with double arguments.
9028 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9030 * genpreds.c (write_tm_constrs_h): Delete variable p.
9031 * genconditions.c (write_header): Add tm-constrs.h to included
9033 * genpeep.c (main): Add toplev.h to included headers.
9034 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9035 (build/genpeep.o): Add toplev.h dependency.
9036 * config/rs6000/constraints.md: Add "W" constraint.
9038 2006-03-29 Roger Sayle <roger@eyesopen.com>
9040 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9041 sizes by correctly testing whether the size fits a host integer.
9042 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9043 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9044 SImode range for the default sizetype and bitsizetype.
9046 2006-03-29 Roger Sayle <roger@eyesopen.com>
9048 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9049 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9050 quickly if the argument is already of the correct type.
9051 Call fold_build1 instead of build1. Tidy up blank lines.
9053 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9055 * genemit.c (main): Add tm-constrs.h to included headers.
9056 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9057 * genpeep.c (main): Add tm-constrs.h to included headers.
9058 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9059 (write_tm_constrs_h): this and write complete file.
9060 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9061 (write_insn_preds_c): Add tm-constrs.h to included headers.
9062 (gen_constrs): New variable.
9063 (parse_option): Parse "-c".
9064 (main): Invoke write_tm_constrs_h.
9065 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9066 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9067 (object_out_file): Add tm-constrs.h dependency.
9068 (insn-emit.o): Same.
9069 (insn-output.o): Same.
9070 (insn-peep.o): Same.
9071 (insn-preds.o): Same.
9072 (insn-recog.o): Same.
9073 (tm-constsr.h): New target.
9074 (s-constrs-h): New target.
9076 * config/rs6000/constraints.md: New file.
9077 * config/rs6000/rs6000.c: Include tm-constrs.h.
9078 (num_insn_constant_wide): Convert to satisfies_constraint.
9079 (rs6000_rtx_costs): Convert to satisfies_constraint.
9080 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9081 (CONST_OK_FOR_LETTER_P): Delete.
9082 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9083 (EXTRA_CONSTRAINT): Delete.
9084 (EXTRA_MEMORY_CONSTRAINT): Delete.
9085 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9086 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9087 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9088 satisfies_constraint.
9090 * config/i386/i386.c: Include tm-constrs.h.
9092 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9094 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9095 * tree-data-ref.c (find_data_references_in_loop,
9096 compute_data_dependences_for_loop): Use pointers to VEC.
9097 (analyze_all_data_dependences): Adjust calls.
9098 * tree-data-ref.h (find_data_references_in_loop,
9099 compute_data_dependences_for_loop): Adjust declarations.
9100 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9101 compute_data_dependences_for_loop.
9103 2006-03-29 Paul Brook <paul@codesourcery.com>
9105 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9108 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9110 PR tree-optimization/26859
9111 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9113 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9114 for the step after fold_convert.
9116 2006-03-29 Paul Brook <paul@codesourcery.com>
9118 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9119 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9121 2006-03-29 Paul Brook <paul@codesourcery.com>
9124 * targhooks.c (default_narrow_bitfield): New fuction.
9125 * targhooks.h (default_narrow_bitfield): add prototype.
9126 * target.h (gcc_target): Add narrow_volatile_bitfield.
9127 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9128 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9129 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9130 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9132 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9134 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9136 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9137 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9138 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9139 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9140 (s390_function_arg_float): Allow SDmode and DDmode values to be
9141 passed in floating point registers.
9142 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9143 check with SCALAR_FLOAT_MODE_P.
9144 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9146 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9148 PR tree-optimization/25985
9149 * tree-ssa-loop-niter.c (number_of_iterations_le,
9150 number_of_iterations_ne): Make comments more precise.
9151 (number_of_iterations_cond): Add only_exit argument. Use the
9152 fact that signed variables do not overflow only when only_exit
9154 (loop_only_exit_p): New.
9155 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9156 number_of_iterations_cond.
9158 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9160 PR tree-optimization/26643
9161 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9164 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9166 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9167 (divsi3_i4_int): Likewise.
9169 2006-03-28 Roger Sayle <roger@eyesopen.com>
9171 * expr.c (emit_group_store): Only create a new pseudo reg if the
9172 quantity it needs to hold isn't already a suitable pseudo.
9174 2006-03-28 Jeff Law <law@redhat.com>
9176 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9177 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9179 2006-03-28 Roger Sayle <roger@eyesopen.com>
9181 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9182 the equivalent ~X & Y, and the symmetry related transformations.
9183 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9184 ~X & Y, and symmetry related transforms.
9186 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9188 Revert my 2006-03-27 patches.
9190 2006-03-28 Roger Sayle <roger@eyesopen.com>
9192 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9193 ~(T1)X, when T1 and T2 are integer types of the same precision
9194 and (T2)X isn't an extension.
9196 2006-03-28 Jeff Law <law@redhat.com>
9198 PR tree-optimization/26796
9199 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9200 need EH edge cleanups rather than purging them immediately.
9201 (eliminate_degenerate_phis): Handle queued EH cleanups.
9203 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9205 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9208 2006-03-27 Roger Sayle <roger@eyesopen.com>
9211 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9212 cast BIT_NOT_EXPR operand to the correct type.
9214 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9216 * tree-loop-linear.c: Don't include varray.h.
9217 (gather_interchange_stats, try_interchange_loops,
9218 linear_transform_loops): Use VEC instead of VARRAY.
9219 * lambda-mat.c: Don't include varray.h.
9220 * tree-chrec.c: Same.
9221 * lambda-trans.c: Same.
9222 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9223 VEC instead of VARRAY.
9224 * tree-vectorizer.h: Idem.
9225 * tree-data-ref.c (dump_data_references,
9226 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9227 initialize_data_dependence_relation, finalize_ddr_dependent,
9228 compute_all_dependences, find_data_references_in_loop,
9229 compute_data_dependences_for_loop, analyze_all_data_dependences,
9230 free_dependence_relation, free_dependence_relations,
9231 free_data_refs): Idem.
9232 * tree-data-ref.h (data_reference_p, subscript_p): New.
9233 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9234 VEC instead of VARRAY.
9235 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9236 (find_data_references_in_loop, compute_data_dependences_for_loop,
9237 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9238 dump_data_dependence_relations, free_dependence_relations,
9239 free_data_refs): Adjust declaration.
9240 (lambda_transform_legal_p): Move declaration here...
9241 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9242 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9243 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9244 vect_analyze_data_refs): Use VEC instead of VARRAY.
9245 * lambda.h (lambda_transform_legal_p): ...from here.
9246 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9247 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9248 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9249 tree-chrec.o): Don't depend on VARRAY_H.
9251 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9253 * rtl.def (Copyright): Update date.
9254 (DEPS_LIST): Change type of the second operand to 'int'.
9255 * target.h (Copyright): Update date.
9256 (struct gcc_target.speculate_insn): Change type of the second parameter
9258 * lists.c (Copyright): Update date.
9259 (alloc_DEPS_LIST): Change signature. Update reference to the second
9260 operand of the DEPS_LIST.
9261 (copy_DEPS_LIST_list): Update reference to the second operand of the
9263 * rtl.h (Copyright): Update date.
9264 (alloc_DEPS_LIST): Update signature.
9265 * sched-int.h (Copyright): Update date.
9266 (ds_t): Change typedef to 'int'.
9267 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9269 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9271 * haifa-sched.c (Copyright): Update date.
9272 (try_ready): Change condition to restore non-speculative pattern
9274 (process_insn_depend_be_in_spec): Code to keep probability of the
9275 speculative dependence non-decreasing.
9277 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9279 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9280 shut up the compiler.
9282 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9284 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9285 to use lib prefix for target.
9286 ($(T)libic_invalidate_array_4-200.a): Likewise.
9287 ($(T)libic_invalidate_array_4a.a): Likewise.
9289 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9290 J"orn Rennecke <joern.rennecke@st.com>
9292 * superh.opt: New file.
9293 * sh.c (boardtype, osruntime): Remove.
9294 * superh.h (SUBTARGET_OPTIONS): Remove.
9295 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9297 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9298 arguments with ^ and/or [].
9300 * config.gcc (sh-*-*): Add quoting to account for quirk of
9302 Replace == with = in enable_incomplete_targets test.
9304 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9305 with MASK_LITTLE_ENDIAN.
9307 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9308 * config/sh/sh.opt: Added to some comments.
9309 * config/sh/superh.h: Removed some chaff.
9311 * config/sh/sh.opt: Add m4-[1234]00* options.
9312 * config/sh/sh.c (sh_handle_option): Likewise.
9313 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9314 (ic_invalidate_array_4-100.o): New rule.
9315 ($(T)libic_invalidate_array_4-100.a): Likewise.
9316 (ic_invalidate_array_4-200.o): Likewise.
9317 ($(T)libic_invalidate_array_4-200.a): Likewise.
9318 (ic_invalidate_array_4a.o): Likewise.
9319 ($(T)libic_invalidate_array_4a.a): Likewise.
9320 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9321 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9323 * config/sh/crt1.asm: Merged in profiling code.
9324 * config/sh/superh.h (STARTFILE_SPEC): Override.
9325 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9326 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9327 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9329 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9330 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9331 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9333 * sh.opt (mpretend-cmove): New option.
9334 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9335 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9336 (movsicc): Add TARGET_PRETEND_CMOVE code.
9338 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9340 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9341 s390_class_max_nregs): New function prototypes.
9342 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9343 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9344 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9345 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9347 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9349 * dwarf2out.c (add_location_or_const_value_attribute): Call
9350 tree_add_const_value_attribute if nothing else works.
9351 (reference_to_unused): New.
9352 (rtl_for_decl_init): Use reference_to_unused to decide whether
9353 to output an initializer.
9355 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9358 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9359 peephole removing spe frob_di_df_2.
9361 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9363 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9364 (subscript_dependence_tester_1): Declared.
9365 (print_dir_vectors, print_dist_vectors): New.
9366 (debug_data_dependence_relation): New.
9367 (dump_data_dependence_relation): Print more details.
9368 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9369 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9370 (save_dist_v, save_dir_v, add_outer_distances,
9371 build_classic_dist_vector_1): New.
9372 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9373 Don't test for lambda_vector_lexico_pos.
9374 (same_access_functions, add_multivariate_self_dist,
9375 add_other_self_distances, dir_from_dist): New.
9376 (build_classic_dir_vector): Replace implementation almost identical to
9377 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9379 (subscript_dependence_tester_1): New.
9380 (subscript_dependence_tester): Handle the lexicographically negative
9381 distance vectors by recomputing the dependence relation.
9382 (compute_affine_dependence): Remove parameter loop_nest_depth.
9383 (compute_self_dependence): Don't call compute_subscript_distance.
9384 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9385 Add a parameter for the loop_nest.
9386 (find_loop_nest_1, find_loop_nest): New.
9387 (compute_data_dependences_for_loop): Compute the loop nest, and give
9388 up if the nest is not well formed.
9389 * tree-data-ref.h (loop_p): New.
9390 (struct data_dependence_relation): Replace size_vect field with
9391 loop_nest, a vec of loops.
9392 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9393 (DDR_LOOP_NEST): New.
9394 (print_dir_vectors, print_dist_vectors,
9395 debug_data_dependence_relation): Declared.
9396 (index_in_loop_nest): New.
9397 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9398 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9401 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9403 * simplify-rtx.c (simplify_relational_operation): Call
9404 simplify_relational_operation_1 even if mode is VOIDmode.
9406 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9408 PR tree-optimization/26804
9409 * tree.h (DECL_CALL_CLOBBERED): New macro.
9410 (tree_decl_common): Add call_clobbered_flag.
9411 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9412 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9413 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9414 (mark_non_addressable): Ditto.
9415 * tree-ssa.c (verify_call_clobbered): New function.
9416 (verify_alias_info): Use it.
9417 * tree-pass.h (pass_reset_cc_flags): New prototype.
9418 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9419 (reset_cc_flags): New function.
9420 * passes.c (init_optimization_passes): Call reset_cc_flags after
9421 initializing referenced_vars.
9423 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9424 Roger Sayle <roger@eyesopen.com>
9427 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9428 to 1.0 for non-real operands. Implement A / A optimization for
9431 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9433 * config/i386/i386.c (size_cost): Correct the comment for
9434 cost of storing fp registers.
9435 (i386_cost): Likewise.
9436 (i486_cost): Likewise.
9437 (pentium_cost): Likewise.
9438 (pentiumpro_cost): Likewise.
9439 (k6_cost): Likewise.
9440 (athlon_cost): Likewise.
9441 (k8_cost): Likewise.
9442 (pentium4_cost): Likewise.
9443 (nocona_cost): Likewise.
9444 (generic64_cost): Likewise.
9445 (generic32_cost): Likewise.
9447 2006-03-24 Denis Chertykov <denisc@overta.ru>
9449 * config/avr/avr-protos.h (extra_constraint): Delete.
9450 (extra_constraint_Q): New declaration.
9451 * config/avr/constraints.md: New file.
9452 * config/avr/avr.md: Include it.
9453 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9454 (TMP_REGNO, ZERO_REGNO): Likewise.
9455 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9456 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9457 (extra_constraint): Delete.
9458 (extra_constraint_Q): Test for memory constraint 'Q'.
9459 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9460 (REG_CLASS_FROM_LETTER): Delete.
9461 (CONST_OK_FOR_LETTER_P): Delete.
9462 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9463 (EXTRA_CONSTRAINT): Delete.
9464 (TMP_REGNO): Delete.
9465 (ZERO_REGNO): Delete.
9467 2006-03-24 Jeff Law <law@redhat.com>
9469 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9470 directly. Call mark_new_vars_to_rename slightly earlier.
9472 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9474 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9476 (gen_compile_unit_die): Use new language types for Objective-C and
9478 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9479 DW_LANG_C_plus_plus.
9482 * config/t-darwin (crt3.o): Work around bug 26840.
9483 * config/darwin-crt3.c: Rewrite.
9484 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9486 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9488 * doc/invoke.texi: Document -femit-class-debug-always
9489 * common.opt: Add -femit-class-debug-always.
9491 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9493 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9494 index and base register.
9495 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9496 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9497 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9498 REGNO_OK_FOR_INDEX_P.
9499 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9501 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9502 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9503 REG_OK_FOR_BASE_P): Definitions removed.
9505 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9508 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9509 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9510 set yet or weren't marked as local yet.
9512 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9514 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9517 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9519 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9520 (rs6000_legitimate_small_data_p): Delete.
9521 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9522 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9523 and make static. Add forward declaration. Update uses.
9524 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9525 of offsettable_memref_p.
9526 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9527 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9529 2006-03-24 Jeff Law <law@redhat.com>
9531 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9532 around bug in immediate-use iterator.
9534 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9537 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9538 or __LITTLE_ENDIAN__.
9540 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9542 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9543 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9544 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9545 * config/sh/sh.opt (mdiv=): Amend description.
9546 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9547 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9548 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9549 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9550 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9551 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9552 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9553 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9554 TARGET_DIVIDE_CALL_FP.
9556 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9558 * haifa-sched.c (choose_ready): Fix type of the local variable.
9559 Move local variables. Add comment.
9560 (check_reg_live): Change signature. Make callable from debugger.
9561 * sched-int.h (check_reg_live): Update signature.
9562 * sched-ebb.c (check_reg_live): Update parameters.
9563 * sched-rgn.c (check_reg_live): Ditto.
9564 (region_head_or_leaf_p): Check pointer before dereferencing.
9565 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9566 before reload on optimization levels below 1.
9568 2006-03-23 Richard Henderson <rth@redhat.com>
9570 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9574 * config/alpha/predicates.md (local_symbolic_operand): Reject
9577 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9580 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9581 expressions which have overflowed constants.
9583 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9585 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9587 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9589 * cfgloopmanip.c (create_loop_notes): Removed.
9590 * final.c (final_scan_insn): Do not handle loop notes.
9591 * jump.c (squeeze_notes): Ditto.
9592 * cfglayout.c (skip_insns_after_block,
9593 duplicate_insn_chain): Ditto.
9594 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9596 * cfgloop.h (create_loop_notes): Declaration removed.
9598 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9600 * varasm.c (output_constant_pool): Restore fnname and fndecl
9602 (assemble_start_function): Adjust call accordingly.
9603 (assemble_end_function): Likewise.
9605 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9608 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9611 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9613 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9616 * system.h (ICE_EXIT_CODE): New macro.
9617 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9618 (diagnostic_action_after_output): Likewise.
9619 * gcc.c (fatal_ice): New function.
9620 (execute): Use it instead of fatal.
9621 (fancy_abort): Likewise.
9622 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9624 2006-03-22 Jeff Law <law@redhat.com>
9626 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9627 iv_analyze_result returning false.
9629 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9631 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9633 2006-03-22 Richard Henderson <rth@redhat.com>
9636 * except.c (duplicate_eh_regions_0): New.
9637 (duplicate_eh_region_1): Duplicate the children of the node as
9638 well as the node itself. Link them up properly.
9639 (duplicate_eh_region_2): Merge into ...
9640 (duplicate_eh_regions): ... here. Take copy_region argument, and
9641 copy only a sub-tree if asked. Simplify copying and fixup.
9642 (eh_region_outer_p): New.
9643 * except.h (duplicate_eh_regions): Update decl.
9644 (eh_region_outer_p): Declare.
9645 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9646 (lower_omp_master): Likewise.
9647 (lower_omp_ordered): Likewise.
9648 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9649 (move_stmt_r): Use it to remap labels. Handle recursion vs
9650 remap_decls_p properly.
9651 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9652 (find_outermost_region_in_block): New.
9653 (new_label_mapper): New.
9654 (move_sese_region_to_fn): Copy eh information to the new function
9656 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9658 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9661 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9663 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9664 into shared libraries.
9666 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9668 * doc/md.texi: Refer to i386/constraints.md instead of
9670 * config/i386/constraints.md: New file, extracted from...
9671 * config/i386/predicates.md: ...here.
9672 * config/i386/i386.md: Include constraints.md.
9674 2006-03-21 Jason Merrill <jason@redhat.com>
9676 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9679 * expr.c (init_block_move_fn): Force default visibility.
9680 (init_block_clear_fn): Likewise.
9681 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9682 * targhooks.c (default_external_stack_protect_fail): Likewise.
9684 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9686 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9687 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9688 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9689 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9690 (loadgp): Use mips_current_loadgp_style.
9691 (loadgp_noshared): New pattern.
9692 (sibcall_internal): Use MIPS_CALL.
9693 (sibcall_value_internal): Likewise.
9694 (sibcall_value_multiple_internal): Likewise.
9695 (call_internal): Likewise.
9696 (call_value_internal): Likewise.
9697 (call_value_multiple_internal): Likewise.
9698 (call_split): Use MIPS_CALL and add an 'S' constraint.
9699 (call_value_split): Likewise.
9700 (call_value_multiple_split): Likewise.
9701 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9702 (-mshared): New option.
9703 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9704 (mips_current_loadgp_style): Declare.
9705 * config/mips/mips.c (mips_classify_symbol): Avoid using
9706 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9707 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9708 TARGET_ABSOLUTE_ABICALLS.
9709 (override_options): Adjust comments. Improve the warning that is
9710 issued when -mabicalls and -G are used together.
9711 (mips_file_start): Remove comment.
9712 (mips_current_loadgp_style): New function.
9713 (mips_gnu_local_gp): New variable.
9714 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9716 (mips_output_function_prologue): Use mips_current_laodgp_style.
9717 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9718 the cprestore instruction.
9719 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9720 live for TARGET_ABSOLUTE_ABICALLS.
9721 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9722 (ASM_SPEC): Pass down -mshared and -mno-shared.
9723 (MIPS_CALL): New macro.
9724 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9726 * doc/invoke.texi (-mabicalls): Update documentation.
9727 (-mshared): Document.
9729 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9731 * config/ia64/unwind-hpux.c: New file.
9732 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9734 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9737 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9739 2006-03-21 Jeff Law <law@redhat.com>
9741 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9742 type conversions of a VR_VARYING source to a wider type.
9744 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9746 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9747 tm_file on Solaris 10 and later.
9748 (sparc64-*-solaris2*): Likewise.
9749 (sparc-*-solaris2*): Likewise.
9750 * config/sol26.h: Rename to config/sol2-6.h.
9751 * config/sol2-10.h: New file.
9753 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9756 * tree-ssa-pre.c (create_component_ref_by_pieces):
9759 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9762 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9763 return it immediately.
9765 2006-03-21 Michael Matz <matz@suse.de>
9767 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9769 (remove_arc, add_arc): Update num_out_arcs member.
9770 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9772 (cache_presence): New function.
9773 (compare_states_for_equiv): New function.
9774 (state_is_differed): Don't take number of outargs, adjust callers.
9775 Use new invariant for speeding up.
9776 (init_equiv_class): Create initial classes based on sorted
9778 (partition_equiv_class): Don't track out_arcs_num.
9779 (evaluate_equiv_classes): Call cache_presence on all states and
9782 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9784 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9785 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9786 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9787 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9789 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9790 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9791 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9792 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9793 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9795 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9796 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9797 (REGNO_REG_CLASS): ARGP is in PREGS.
9798 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9800 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9801 to deal with those addresses.
9802 * addresses.h: New file.
9803 * caller-save.c: Include "addresses.h".
9804 (init_caller_save): Use new base_reg_class function.
9805 * rtl-factoring.c: Include "addresses.h".
9806 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9807 * recog.c: Include "addresses.h".
9808 (preprocess_constraints): Use new base_reg_class function.
9809 * regrename.c: Include "addresses.h".
9810 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9811 functions. Keep track of a new var INDEX_CODE to compute valid
9813 (replace_oldest_value_addr): Likewise.
9814 (replace_oldest_value_mem): Use base_reg_class.
9815 * reload.c: Include "addresses.h".
9816 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9817 (find_reloads): Use new base_reg_class function.
9818 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9819 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9820 all callers and prototype changed.
9821 * reload1.c: Include "addresses.h".
9822 (maybe_fix_stack_asms): Use base_reg_class.
9823 * regclass.c: Include "addresses.h".
9824 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9825 (init_reg_autoinc): Use new base_reg_class function.
9826 (record_reg_classes): Likewise.
9827 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9828 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9829 Use new args to compute necessary class.
9831 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9832 regrename.o, rtl-factoring.o): Update dependencies.
9833 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9834 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9835 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9836 REG_OK_FOR_INDEX_P): Delete documentation.
9838 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9840 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9841 from V7 to V9 for Solaris 7 and above.
9843 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9845 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9846 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9847 argument pointers may not alias any other storage.
9848 * common.opt: Define option -fargument-noalias-anything.
9849 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9850 alias semantics is specified by flag_argument_noalias > 2.
9852 2006-03-20 Jeff Law <law@redhat.com>
9854 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9855 (pass_phi_only_cprop): Declare.
9856 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9858 * tree-ssa-dom.c (degenerate_phi_result): New function.
9859 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9860 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9861 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9862 (eliminate_degenerate_phis): Likewise.
9863 (pass_phi_only_cprop): New pass descriptor.
9864 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9865 support code. Callers updated.
9866 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9867 (store_copy_prop): Likewise.
9868 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9870 2006-03-20 Jason Merrill <jason@redhat.com>
9873 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9874 (push_visibility, pop_visibility): Likewise.
9875 * c-pragma.h: Declare them.
9877 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9879 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9881 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9882 parameter and use get_ebb_head_tail.
9883 (sh_md_init_global): Adjust uses of find_regmode_weight.
9885 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9887 * function.h (struct function) <x_tail_recursion_reentry>:
9888 Rename to x_stack_check_probe_note.
9889 (tail_recursion_reentry): Rename to stack_check_probe_note.
9890 * function.c: Replace tail_recursion_reentry with
9891 stack_check_probe_note everywhere.
9892 (expand_function_start): Only emit a note for
9893 stack_check_probe_note with -fstack-protect.
9894 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9896 * emit-rtl.c (remove_unnecessary_notes): Remove.
9897 (pass_remove_unnecessary_notes): Remove.
9898 * rtl.h (remove_unnecessary_notes): Remove prototype.
9899 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9900 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9901 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9903 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9906 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9907 (valid_in_set): Handle ARRAY_REF.
9908 Change "if min_variant or VH" to asserts.
9909 (create_component_ref_by_pieces): Handle ARRAY_REF.
9910 (create_expression_by_pieces): Likewise.
9911 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9913 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9915 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9916 is operand of switch, not str[0].
9918 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9920 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9921 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9923 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9925 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9926 end of insn_extra_address_constraint declaration.
9928 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9930 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9931 (no-sum-in-toc): Same.
9932 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9934 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9935 NO_FP_IN_TOC for -fPIC instead of mask.
9937 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9938 (BOOT_LDFLAGS): Delete.
9940 * config/rs6000/t-aix52: Same.
9942 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9943 (stmsi[345678]_power): New.
9945 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9947 * config/ia64/ia64.opt: Add empty line to end of file.
9949 2006-03-17 Richard Guenther <rguenther@suse.de>
9952 * builtins.c (get_pointer_alignment): For component style references
9953 adjust alignment to the component type alignment. Make sure
9954 to adjust alignment for component access of constants.
9956 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9958 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9961 2006-03-17 Paul Brook <paul@codesourcery.com>
9963 * doc/install.texi: Docuemnt --with-mode.
9964 * config.gcc: Add --with-mode for arm*-*-*.
9965 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9967 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9969 * sh.c (max_labelno_before_reorg): New variable.
9970 (sh_reorg): Initialize it.
9971 (find_barrier): Check max_labelno_before_reorg before using
9972 label_to_alignment. Take length of explicit alignment insns
9973 into account. When seeing a UNSPECV_CONST_END, return it.
9975 * sh.c (fixup_mova): Set mode of affected label to QImode.
9976 (untangle_mova): New function.
9977 (find_barrier): Use it. Check mode of label before decrementing
9979 (sh_reorg): Likewise.
9980 Set mode of all insns back to VOIDmode.
9982 * sh.c (MOVA_LABELREF): New macro.
9983 (mova_p, fixup_mova, sh_reorg): Use it.
9984 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9985 ADDR_DIFF_VEC matches mova.
9987 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9989 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9990 with ATTRIBUTE_UNUSED.
9992 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9994 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9995 pointer, instead of assuming it is possible to derive the
9996 correct args size from a call insn.
9998 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10000 * rtl.h (CONST_INT_P): Define.
10001 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10002 instead of GET_CODE(x) == CONST_INT.
10003 (vax_rtx_costs): Likewise.
10004 (vax_output_int_move): Likewise.
10005 (vax_output_int_add): Likewise.
10006 (legitimate_constant_address_p): Likewise.
10007 (index_term_p): Likewise.
10008 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10009 * config/vax/vax.md (and<mode>3): Likewise.
10010 (ashrsi3): Likewise.
10012 (movstricthi): Likewise.
10013 (movstrictqi): Likewise.
10014 (rotrsi3): Likewise.
10015 (five unnamed insns): Likewise.
10017 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10019 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10020 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10021 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10022 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10023 Pass to ASM_OUTPUT_DWARF_OFFSET.
10024 * dwarf2out.c (debug_frame_section): New.
10025 (output_call_frame_info): Use debug_frame_section. Pass it to
10026 dw2_asm_output_offset.
10027 (output_die): Pass appropriate section to dw2_asm_output_offset.
10028 (output_compilation_unit_header): Likewise.
10029 (output_pubnames): Likewise.
10030 (output_aranges): Likewise.
10031 (enum dw_val_class): Break dw_val_class_lbl_offset into
10032 dw_val_class_lineptr and dw_val_class_macptr.
10033 (add_AT_lbl_offset): Delete.
10034 (add_AT_lineptr): New.
10035 (add_AT_macptr): New.
10036 (AT_lbl): Expect a lineptr or macptr.
10037 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10038 (attr_checksum): Likewise.
10039 (same_dw_val_p): Likewise.
10040 (size_of_die): Likewise.
10041 (value_format): Likewise.
10042 (output_die): Likewise.
10043 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10045 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10046 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10047 * config/darwin-protos.h (darwin_file_start): New.
10048 (darwin_asm_output_dwarf_offset): New.
10049 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10050 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10052 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10053 if not EH section; simplify.
10054 (darwin_file_start): New.
10055 (darwin_asm_output_dwarf_offset): New.
10056 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10058 (DEBUG_INFO_SECTION): Likewise.
10059 (DEBUG_ABBREV_SECTION): Likewise.
10060 (DEBUG_ARANGES_SECTION): Likewise.
10061 (DEBUG_MACINFO_SECTION): Likewise.
10062 (DEBUG_LINE_SECTION): Likewise.
10063 (DEBUG_LOC_SECTION): Likewise.
10064 (DEBUG_PUBNAMES_SECTION): Likewise.
10065 (DEBUG_STR_SECTION): Likewise.
10066 (DEBUG_RANGES_SECTION): Likewise.
10067 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10068 (ASM_OUTPUT_DWARF_OFFSET): New.
10070 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10072 * config.gcc (tm_defines): Always add to previous value rather
10075 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10077 * config/mips/predicates.md (splittable_const_int_operand): New,
10078 split from move_operand.
10079 (splittable_symbolic_operand): New.
10080 (move_operand): Add commentary. Use splittable_const_int_operand.
10081 Inline mips_atomic_symbolic_constant_p.
10082 * config/mips/mips.md: Add combine splitters for handling moves
10083 of splittable_const_int_operands and splittable_symbolic_operands.
10084 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10085 (mips_split_symbol): Declare.
10086 (mips_move_integer): Declare.
10087 * config/mips/mips.c (mips_split_p): Make global.
10088 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10089 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10090 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10091 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10092 (mips_offset_within_object_p): Handle block symbols.
10093 (mips_atomic_symbolic_constant_p): Delete.
10094 (mips_cannot_force_const_mem): Return false for constants that
10095 mips_legitimize_move can handle.
10096 (mips_use_blocks_for_constant_p): New function.
10097 (mips_split_symbol): Make global.
10098 (mips_move_integer): Likewise. Add a temporary register argument.
10099 (mips_legitimize_const_move): Use splittable_const_int_operand and
10100 splittable_symbolic_operand.
10101 (mips_use_anchors_for_symbol_p): New function.
10102 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10103 (mips_split_p): Declare.
10105 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10107 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10108 (mips*-*-linux*): Likewise.
10110 2006-03-16 Roger Sayle <roger@eyesopen.com>
10111 Daniel Speyer <dspeyer@wam.umd.edu>
10113 PR middle-end/18259
10114 * tree-dump.c (dump_real): New function.
10115 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10116 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10117 (tree-dump.o): Add $(REAL_H) to the dependencies.
10119 2006-03-16 Roger Sayle <roger@eyesopen.com>
10121 PR middle-end/21781
10122 * real.c (real_from_string): If the mantissa is zero, don't bother
10123 parsing the exponent as the result should always be zero.
10125 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10127 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10129 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10131 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10132 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10133 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10134 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10135 ia64_sched_finish_global): New static functions to implement
10136 hooks from gcc_target.sched.
10137 (spec_check_no, max_uid, pending_data_specs): New static variables.
10138 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10139 ia64_spec_check_src_p): New static functions.
10140 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10141 (TARGET_SCHED_ADJUST_COST): Removed.
10142 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10143 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10144 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10145 TARGET_SCHED_GEN_CHECK,
10146 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10147 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10148 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10149 Fixed to handle speculation checks.
10150 (rtx_needs_barrier): Fixed to handle speculative loads and
10152 (ia64_variable_issue): Added code to count speculative loads and their
10154 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10156 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10158 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10160 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10161 (ia64_reorg): Reset stops_p to NULL after it is freed.
10162 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10163 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10164 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10166 (data_speculative, control_speculative, check_load): New attributes.
10167 (mov<mode>_advanced, mov<mode>_speculative,
10168 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10169 zero_extend<mode>di2_speculative,
10170 zero_extend<mode>di2_speculative_advanced): New patterns for
10171 data and control speculative loads.
10172 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10174 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10175 New pattern for data and control speculation checks.
10176 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10177 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10178 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10179 Auxiliary definitions for the patterns.
10180 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10181 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10183 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10185 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10186 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10187 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10188 New resource constraints.
10189 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10191 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10192 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10193 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10194 msched-in-control-spec, msched-ldc, msched-control-ldc,
10195 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10196 msched-prefer-non-control-spec-insns,
10197 msched-count-spec-in-critical-path): New flags to tune speculative
10199 * doc/invoke.texi (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): Document new flags.
10206 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10208 * target.h (struct spec_info_def): New opaque declaration.
10209 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10210 speculate_insn, needs_block_p, gen_check,
10211 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10212 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10213 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10214 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10215 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10216 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10218 (TARGET_SCHED): Use new macros.
10219 * rtl.h (copy_DEPS_LIST_list): New prototype.
10220 * sched-int.h (struct sched_info): Change signature of new_ready field,
10221 adjust all initializations. New fields: add_remove_insn,
10222 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10223 region_head_or_leaf_p.
10224 (struct spec_info_def): New structure declaration.
10225 (spec_info_t): New typedef.
10226 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10227 recovery_block, orig_pat.
10228 (glat_start, glat_end): New variables declaraions.
10229 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10231 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10232 DETACH_LIFE_INFO, USE_GLAT.
10233 (enum SPEC_SCHED_FLAGS): New enumeration.
10234 (NOTE_NOTE_BB_P): New macro.
10235 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10236 attach_life_info, debug_spec_status, check_reg_live): New functions.
10237 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10238 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10240 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10241 * ddg.c (get_block_head_tail): Adjust all uses.
10242 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10243 (sms_sched_info): Initialize new fields.
10244 (contributes_to_priority): Removed.
10245 * haifa-sched.c (params.h): New include.
10246 (get_block_head_tail): Adjust all uses.
10247 (ISSUE_POINTS): New macro.
10248 (glat_start, glat_end): New global variables.
10249 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10250 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10251 old_last_basic_block, before_recovery, current_sched_info_var,
10252 rgn_n_insns, luid): New static variables.
10253 (insn_cost1): New function. Move logic from insn_cost to here.
10254 (find_insn_reg_weight1): New function. Move logic from
10255 find_insn_reg_weight to here.
10256 (reemit_notes, move_insn, max_issue): Change signature.
10257 (move_insn1): Removed.
10258 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10259 extend_bb): New static functions to support extension of scheduler's
10261 (generate_recovery_code, process_insn_depend_be_in_spec,
10262 begin_speculative_block, add_to_speculative_block,
10263 init_before_recovery, create_recovery_block, create_check_block_twin,
10264 fix_recovery_deps): New static functions to support
10265 generation of recovery code.
10266 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10267 restore_bb_notes, move_block_after_check, move_succs): New static
10268 functions to support ebb scheduling.
10269 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10270 functions to support handling of register live information.
10271 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10272 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10273 add_jump_dependencies): New static functions.
10274 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10275 consistancy checking.
10276 (debug_spec_status): New function to call from debugger.
10277 (priority): Added code to handle speculation checks.
10278 (rank_for_schedule): Added code to distinguish speculative instructions.
10279 (schedule_insn): Added code to handle speculation checks.
10280 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10281 Fixed to handle ebbs.
10282 (move_insn): Added code to handle ebb scheduling.
10283 (max_issue): Added code to use ISSUE_POINTS of instructions.
10284 (choose_ready): Added code to choose between speculative and
10285 non-speculative instructions.
10286 (schedule_block): Added code to handle ebb scheduling and scheduling of
10287 speculative instructions.
10288 (sched_init): Initialize new variables.
10289 (sched_finish): Free new variables. Print statistics.
10290 (try_ready): Added code to handle speculative instructions.
10291 * lists.c (copy_DEPS_LIST_list): New function.
10292 * sched-deps.c (extend_dependency_caches): New function. Move logic
10293 from create_dependency_caches to here.
10294 (get_dep_weak, ds_merge): Make global.
10295 * genattr.c (main): Code to output prototype for
10296 dfa_clear_single_insn_cache.
10297 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10298 (output_dfa_clean_insn_cache_func): Code to output
10299 dfa_clear_single_insn_cache function.
10300 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10302 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10304 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10305 New static variables.
10306 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10307 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10309 (ebb_sched_info): Initialize new fields.
10310 (get_block_head_tail): Adjust all uses.
10311 (compute_jump_reg_dependencies): Fixed to use glat_start.
10312 (schedule_ebb): Code to remove unreachable last block.
10313 (schedule_ebbs): Added code to update register live information.
10314 * sched-rgn.c (region_sched_info): Initialize new fields.
10315 (get_block_head_tail): Adjust all uses.
10316 (last_was_jump): Removed. Adjust users.
10317 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10318 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10319 Implement new hooks.
10320 (check_dead_notes1): New static function.
10321 (struct region): New fields: dont_calc_deps, has_real_ebb.
10322 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10323 (BB_TO_BLOCK): Fixed to handle EBBs.
10324 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10325 (ebb_head): New static variable.
10326 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10327 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10329 (compute_dom_prob_ps): New assertion.
10330 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10331 global_live_at_start.
10332 (init_ready_list): New assertions.
10333 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10334 (new_ready): Add support for BEGIN_CONTROL speculation.
10335 (schedule_insns): Fixed code that updates register live information
10337 (schedule_region): Fixed to handle EBBs.
10338 (init_regions): Use extend_regions and check_dead_notes1.
10339 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10340 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10341 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10342 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10343 TARGET_SCHED_GEN_CHECK,
10344 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10345 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10346 * doc/invoke.texi (max-sched-insn-conflict-delay,
10347 sched-spec-prob-cutoff): Document.
10349 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10351 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10352 inter_tick, queue_index.
10353 (struct sched_info): Change signature of init_ready_list field.
10354 Adjust all initializations.
10355 (RESOLVED_DEPS): New access macro.
10356 (ready_add): Remove prototype.
10357 (try_ready): Add prototype.
10358 * sched-rgn.c (init_ready_list): Use try_ready.
10359 (schedule_region): Initialize
10360 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10361 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10362 (init_ready_list): Use try_ready.
10363 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10364 * lists.c (remove_list_elem): Remove `static'.
10365 (remove_free_INSN_LIST_elem): New function.
10366 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10367 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10368 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10370 (readyp): New variable.
10371 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10372 change_queue_index, resolve_dep): New static functions.
10373 (try_ready): New function. Adjust callers in sched-rgn.c and
10374 sched-ebb.c to use it instead of ready_add.
10375 (clock_var): Move at the begining of file.
10376 (rank_for_schedule): Fix typo.
10377 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10378 (ready_lastpos): Enforce assertion.
10379 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10380 update all callers.
10381 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10382 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10383 (queue_to_ready): Use free_INSN_LIST_list.
10384 (early_queue_to_ready): Fix typo.
10385 (schedule_block): Init readyp. Move init_ready_list call after the
10386 initialization of clock_var. Fix error in rejecting insn by
10387 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10388 that previously corrected INSN_TICKs. Add code for handling
10390 (set_priorities): Fix typo.
10391 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10392 Clarify comment and code that keeps current_sched_info->next_tail
10395 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10397 * sched-rgn.c (extend_rgns): New static function.
10398 (find_rgns): Use it.
10399 (gather_region_statistics, print_region_statistics): New static
10401 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10402 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10404 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10405 Andrey Belevantsev <abel@ispras.ru>
10407 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10408 * lists.c (unused_deps_list): New variable.
10409 (free_list): Add assertions to verify the proper distinguishing
10410 between INSN_LISTs and DEPS_LISTs.
10411 (find_list_elem, remove_list_elem, remove_list_node): New static
10413 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10414 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10415 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10416 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10418 (free_INSN_LIST_node): Likewise.
10419 * modulo-sched.c (current_sched_info): Initialize flags field.
10420 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10421 * rtl.def (DEPS_LIST): Define.
10422 * rtl.h: Declare new functions from lists.c.
10423 * sched-deps.c (spec_dependency_cache): New static variable.
10424 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10425 (add_dependence): Change return type to void. Move the logic to ...
10426 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10427 (delete_all_dependences): Add comment about forward_dependency_cache.
10428 Handle spec_dependency_cache. Handle DEPS_LISTs.
10429 (fixup_sched_groups): Clarify the change of priority of output
10430 and anti dependencies.
10431 (sched_analyze_2): Adjust add_dependence calls to create data
10432 speculative dependence.
10433 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10434 Adjust all callers. Handle DEPS_LISTS.
10435 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10436 presence of speculation.
10437 (init_dependency_caches, free_dependency_caches):
10438 Handle spec_dependency_cache.
10439 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10440 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10441 New static functions.
10442 (add_or_update_back_dep, add_or_update_back_forw_dep,
10443 add_back_forw_dep, delete_back_forw_dep): New functions.
10444 * sched-int.h (ds_t, dw_t): New typedefs.
10445 (struct sched_info): Add new field flags.
10446 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10447 Prototype new sched-deps.c functions.
10448 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10449 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10450 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10451 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10452 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10453 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10455 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10457 * sched-rgn.c (current_sched_info): Initialize flags field.
10458 (schedule_insns): Initialize current_sched_info before the sched_init
10460 * sched-ebb.c (current_sched_info): Initialize flags field.
10461 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10462 Call add_or_update_back_dep instead of add_dependence.
10463 Create control speculative dependencies.
10464 (schedule_insns): Initialize current_sched_info before the sched_init
10467 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10469 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10471 (sh_fallback_frame_state): Likewise.
10473 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10475 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10476 Do switch on default_use_cxa_atexit.
10477 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10478 * config/darwin-crt3.o: New.
10479 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10480 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10481 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10483 * config/rs6000/t-darwin: Move crt2.o building to here.
10484 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10485 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10488 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10490 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10491 from '! xxx' to '!xxx' for coding-style conformance.
10492 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10493 (EXTRA_CONSTRAINT): Likewise.
10494 * config/vax/vax.md (four unnamed insns): Likewise.
10496 2006-03-15 Paul Brook <paul@codesourcery.com>
10498 * config/arm/arm.c (minipool_pad): New.
10499 (add_minipool_forward_ref): Include pool alignment padding in address
10501 (push_minipool_fix): Set minipool_pad.
10502 (minipool_pad): Ditto.
10504 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10506 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10507 instead of GET_CODE() == MEM and REG_P() instead of
10509 (print_operand_address): Likewise.
10510 (vax_address_cost): Likewise.
10511 (vax_rtx_costs): Likewise.
10512 (vax_notice_update_cc): Likewise.
10513 (vax_output_int_add): Likewise.
10514 (INDEX_REGISTER_P): Likewise.
10515 (BASE_REGISTER_P): Likewise.
10516 (nonindexed_address_p): Likewise.
10517 (vax_mode_dependent_address_p): Likewise.
10518 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10519 (PRINT_OPERAND): Likewise.
10520 * config/vax/vax.md (ashlsi3): Likewise.
10521 (ashlsi3): Likewise.
10522 (some more unnamed insns): Likewise.
10524 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10526 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10527 iterator-style macro.
10528 (mark_control_dependent_edges_necessary): Update the use of
10529 EXECUTE_IF_CONTROL_DEPENDENT.
10531 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10533 * config/sh/predicates.md (cache_address_operand): Special.
10534 (ua_address_operand): Likewise.
10536 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10538 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10540 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10542 2006-03-15 Andreas Schwab <schwab@suse.de>
10544 * gensupport.c (identify_predicable_attribute): Don't free p_false
10545 when it is still in use.
10547 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10549 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10550 the default setting here.
10552 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10554 * tree-pass.h (pass_cfg): Remove.
10555 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10556 * passes.c (pass_cfg): Don't run it.
10558 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10560 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10561 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10563 (stack_regs_mentioned): Update the uses of
10564 stack_regs_mentioned_data. Don't access the array beyond its
10566 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10567 Don't include gt-reg-stack.h.
10569 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10570 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10572 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10574 PR middle-end/26684
10575 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10578 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10580 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10582 2006-03-14 Richard Guenther <rguenther@suse.de>
10584 PR tree-optimization/26672
10585 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10588 2006-03-14 Richard Guenther <rguenther@suse.de>
10590 PR tree-optimization/26667
10591 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10592 node for the callees. Always allow inlining if it will shrink
10595 2006-03-14 Richard Guenther <rguenther@suse.de>
10597 PR middle-end/26659
10598 * builtins.c (get_pointer_alignment): Prefer alignment
10599 information from decls over that from types.
10601 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10604 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10606 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10608 * config/rs6000/rs6000.opt (mdlmzb): New option.
10609 (msched-prolog, msched-epilog): Use Var not Mask.
10610 * doc/invoke.texi (-mdlmzb): Document.
10611 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10613 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10614 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10616 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10618 PR rtl-optimization/25739
10619 * bt-load.c (augment_live_range): Free tos pointer.
10621 * gensupport.c (identify_predicable_attribute): Free
10623 * gcov.c (create_file_names): Free name pointer.
10625 2006-03-13 Roger Sayle <roger@eyesopen.com>
10627 PR middle-end/26557
10628 * stmt.c (emit_case_nodes): Handle the case where the index is a
10629 CONST_INT, where the comparison mode is specified by the index type.
10631 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10633 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10636 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10638 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10639 (*branch_fp_inverted): Likewise.
10641 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10643 PR middle-end/25989
10644 * omp-low.c (expand_omp_for_generic): Mark istart0
10645 and iend0 as addressable.
10647 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10649 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10651 2006-03-13 Jeff Law <law@redhat.com>
10653 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10654 virtual operands are interesting.
10655 (vrp_visit_stmt): Corresponding changes.
10657 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10659 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10661 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10662 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10663 * config/bfin/crti.S: Use it instead of __PIC__.
10664 * config/bfin/crtn.S: Likewise.
10666 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10667 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10669 Lose 'G' modifier for call operand.
10670 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10671 recognize 'G' modifier.
10673 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10675 PR middle-end/18859
10676 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10677 * stmt.c (expand_case): Likewise.
10679 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10681 PR rtl-optimization/26254
10682 * loop-invariant.c (seq_insns_valid_p): New function.
10683 (move_invariant_reg): Only emit new code if it is valid.
10685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10687 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10689 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10690 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10691 (commit_one_edge_insertion): Do not look for loop notes.
10693 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10695 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10696 flag_test_coverage out of loop.
10698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10700 * final.c (shorten_branches): Remove outdated comment, and turn
10701 the if branch that guards it to continue.
10703 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10705 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10706 * cfgloop.h (struct loop): Remove unused fields.
10708 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10710 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10711 (-dL, -fdump-rtl-loop2): Update the dump file names
10713 * doc/invoke.texi: Update dump file names.
10715 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10717 * predict.c (estimate_probability): Remove.
10718 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10719 * basic-block.h (estimate_probability): Remove prototype.
10720 * passes.c (finish_optimization_passes): Dump branch prediction or
10721 profiling heuristics to the .profile tree dump.
10722 (init_optimization_passes): Unqueue pass_branch_prob.
10724 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10726 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10728 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10729 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10731 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10733 * function.h (frame_offset_overflow): Declare.
10734 * function.c (frame_offset_overflow): New function.
10735 (assign_stack_local_1): Call it to detect that the offset overflows.
10736 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10738 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10740 * config/sh/sh.c: Include alloc-pool.h.
10741 (label_ref_list_pool): New alloc pool.
10742 (label_ref_list_t): New type for lists of labels.
10743 (struct pool_node): Make wend a label_ref_list_t.
10744 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10746 (dump_table): Likewise.
10747 (sh_reorg): Set up the alloc pool before using add_constant and
10748 dump_table, and destroy it when finishing.
10750 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10752 * config/mips/mips.c: Remove redundant comment.
10754 2006-03-10 Jason Merrill <jason@redhat.com>
10757 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10758 the target was declared 'register'.
10760 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10762 * genpreds.c (write_insn_constraint_len): Change definition of
10763 insn_constraint_len to return size_t to match the declaration.
10765 2006-03-10 DJ Delorie <dj@redhat.com>
10767 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10769 (m32c_expand_insv): Fix test for an AND mask.
10771 2006-03-10 Richard Guenther <rguenther@suse.de>
10773 PR middle-end/26565
10774 * builtins.c (get_pointer_alignment): Handle component
10775 references for field alignment.
10777 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10779 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10780 when building with libgloss.
10781 (sh*elf): Implement --without-fp option.
10782 (sh64-superh-linux*): Don't multilib.
10784 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10786 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10788 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10790 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10791 Set it when one of the replacement functions returned true.
10792 Return TODO_cleanup_cfg if cfgchanged is true.
10793 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10795 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10797 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10798 instead of gen_lowpart.
10800 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10802 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10804 (mips_output_order_conditional_branch): Declare.
10805 * config/mips/mips.h (MIPS_BRANCH): New macro.
10806 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10807 for the comparison. Use gen_condjump.
10808 (mips_output_conditional_branch): Rework interface to take the
10809 asm templates for a direct branch and the inverse of a direct branch.
10810 (mips_output_order_conditional_branch): New function.
10811 (mips_builtin_branch_and_move): New function.
10812 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10813 branch condition. Use gen_single_cc as the condition for
10814 __builtin_mips_upper_* or __builtin_mips_lower_*.
10815 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10816 Use VOIDmode for the branch condition.
10817 * config/mips/predicates.md (order_operator): New predicate.
10818 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10819 (branch_fp): Rename to...
10820 (*branch_fp): ...this. Remove mode from comparison operator.
10821 Use new mips_output_conditional_branch interface.
10822 (branch_fp_inverted): Rename to...
10823 (*branch_fp_inverted): ...this and update as for *branch_fp.
10824 (*branch_zero<mode>): Rename to...
10825 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10826 Use mips_output_order_conditional_branch. Only accept ordered
10828 (*branch_zero<mode>_inverted): Rename to...
10829 (*branch_order<mode>_inverted): ...this and update as for
10830 *branch_order<mode>.
10831 (*branch_equality<mode>): Accept zero as the second operand to
10832 the equality operator. Use the new mips_output_conditional_branch
10834 (*branch_equality<mode>_inverted): Likewise.
10835 (condjump): New expander.
10836 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10838 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10839 (bc1any2t, bc1any2f): Likewise.
10840 (single_cc): New expander.
10841 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10843 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10845 * doc/md.texi: Update documentation of MIPS constraints.
10846 * config/mips/constraints.md: New file.
10847 * config/mips/mips.md: Include it.
10848 * config/mips/mips.c (mips_char_to_class): Delete.
10849 (override_options): Don't initialize mips_char_to_class.
10850 * config/mips/mips.h (mips_char_to_class): Delete.
10851 (REG_CLASS_FROM_LETTER): Delete.
10852 (CONST_OK_FOR_LETTER_P): Delete.
10853 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10854 (EXTRA_CONSTRAINT_Y): Delete.
10855 (EXTRA_CONSTRAINT_STR): Delete.
10856 (CONSTRAINT_LEN): Delete.
10857 (EXTRA_MEMORY_CONSTRAINT): Delete.
10859 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10861 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10862 original fn's eh regions.
10864 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10866 * fold-const.c (build_range_check): Make sure to use a valid type to
10867 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10870 (range_predecessor): New static function.
10871 (range_successor): Likewise.
10872 (merge_ranges): Use them to compute predecessors and successors of
10875 2006-03-09 Roger Sayle <roger@eyesopen.com>
10877 PR middle-end/26561
10878 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10879 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10881 2006-03-08 DJ Delorie <dj@redhat.com>
10883 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10884 (addpsi3): Expand to include memory operands. Remove
10885 reload-specific splits.
10886 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10887 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10888 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10889 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10890 (shift1_qi, shift1_hi, insv): New.
10891 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10892 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10893 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10895 * config/m32c/m32c-protos.h: Update as needed.
10896 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10897 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10898 Fail for unrecognized R* constraints.
10899 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10900 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10901 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10903 (m32c_init_libfuncs): New.
10904 (m32c_legitimate_address_p): Add debug wrapper.
10905 (m32c_rtx_costs): New.
10906 (m32c_address_cost): New.
10907 (conversions): Add 'B' prefix.
10908 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10909 operands, or word regnames for QI operands. 'B' prints bit
10911 (m32c_expand_setmemhi): New.
10912 (m32c_expand_movmemhi): New.
10913 (m32c_expand_movstr): New.
10914 (m32c_expand_cmpstr): New.
10915 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10916 (m32c_expand_neg_mulpsi3): Handle non-ints.
10917 (m32c_cmp_flg_0): New.
10918 (m32c_expand_movcc): New.
10919 (m32c_expand_insv): New.
10920 (m32c_scc_pattern): New.
10921 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10922 a0/a1 out of SIregs.
10923 (STORE_FLAG_VALUE): New.
10924 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10927 * config/m32c/mov.md: Make constraints more liberal.
10928 (zero_extendqihi2): Optimize r0/r1 case.
10929 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10930 * config/m32c/predicates.md (m32c_any_operand): New.
10931 (m32c_nonimmediate_operand): New.
10932 (m32c_hl_operand): New.
10933 (m32c_r3_operand): New.
10936 (memsym_operand): New.
10937 (memimmed_operand): New.
10938 (a_qi_operand): New.
10939 (m32c_eqne_operator): New.
10940 (m32c_1bit8_operand): New.
10941 (m32c_1bit16_operand): New.
10942 (m32c_1mask8_operand): New.
10943 (m32c_1mask16_operand): New.
10944 * config/m32c/blkmov.md: New file.
10945 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10947 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10949 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10950 unsigned to fix signed/unsigned comparison issue in
10951 DWARF2_FRAME_REG_OUT.
10952 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10953 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10955 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10956 of ptr into the ENABLE_CHECKING section.
10958 2006-03-08 Jeff Law <law@redhat.com>
10960 * tree-vrp.c (infer_value_range): Only count pointer uses
10961 and dereferences if -fdelete-null-pointer-checks is enabled.
10963 * tree-vrp.c (find_assert_locations): Infer value ranges for
10964 single use pointers, but do not create ASSERT_EXPRs for them.
10965 When a non-null range is inferred for a pointer, backwards
10966 propagate that range to other equivalent pointers through the
10969 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10972 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10973 language hook targets.
10974 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10975 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10976 if language hook targets were missing.
10978 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10980 * tree-ssa-opfinalize.h: Removed.
10981 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10983 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10984 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10985 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10986 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10987 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10988 finalize_ssa_v_must_def_ops): New.
10990 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10992 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10993 block as parameter.
10995 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10997 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10999 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11000 addresses with offsets; reorganize.
11002 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11003 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11004 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11006 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11009 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11011 2006-03-08 Ben Elliston <bje@au.ibm.com>
11013 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11015 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11018 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11021 2006-03-07 Richard Guenther <rguenther@suse.de>
11023 PR tree-optimization/26587
11024 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11026 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11028 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11030 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11032 * hooks.c (hook_bool_mode_rtx_true): New function.
11033 * hooks.h (hook_bool_mode_rtx_true): Declare.
11034 * toplev.c (compile_file): Call output_shared_constant_pool.
11035 * varasm.c (shared_constant_pool): New variable.
11036 (assemble_start_function, assemble_end_function): Remove arguments
11037 from call to output_constant_pool.
11038 (create_constant_pool): New function, split out from...
11039 (init_varasm_status): ...here.
11040 (force_const_mem): Choose between the shared and per-function constant
11041 pools. Set current_function_uses_const_pool when reusing old entries
11042 as well as when creating new ones.
11043 (mark_constant): Ignore data argument.
11044 (mark_constants): Remove pool argument.
11045 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11046 to decide whether the function uses a constant pool.
11047 (output_constant_pool_contents): New function, split out from...
11048 (output_constant_pool): ...here.
11049 (output_shared_constant_pool): New function.
11050 (init_varasm_once): Initialize shared_constant_pool.
11051 * output.h (output_constant_pool): Delete.
11052 (output_shared_constant_pool): Declare.
11053 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11054 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11056 2006-03-06 Nick Clifton <nickc@redhat.com>
11058 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11059 flag_strength_reduce.
11061 2006-03-06 Ben Elliston <bje@au.ibm.com>
11063 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11064 x86_64-*-linux* configurations.
11066 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11067 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11069 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11071 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11073 * basic-block.h: Remove the extern for
11074 rediscover_loops_after_threading.
11076 * cfgloop.c (cancel_loop): Make it static.
11077 * cfgloop.h: Remove the prototype for cancel_loop.
11079 * flow.c (recompute_reg_usage): Make it static.
11080 * rtl.h: Remove the prototype for recompute_reg_usage.
11082 * function.c (use_return_register): Make it static.
11083 * function.h: Remove the prototype.
11085 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11087 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11089 * recog.h: Remove the prototype for
11090 validate_change_maybe_volatile.
11092 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11094 * rtlanal.c (replace_reg): Remove.
11095 * rtl.h: Remove the prototype for replace_reg.
11097 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11099 * regclass.c (reg_scan_update): Remove.
11100 (reg_scan_mark_refs): Remove the last argument.
11101 * rtl.h: Remove the prototype for reg_scan_update.
11103 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11105 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11106 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11107 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11108 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11109 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11110 loop-invariant.c, omp-low.c, opts.c, passes.c,
11111 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11112 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11113 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11114 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11115 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11116 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11118 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11120 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11121 * dwarf2out.h: Remove the prototype for
11122 dwarf2out_add_library_unit_info.
11124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11126 * tree.c (add_var_to_bind_expr): Remove.
11127 * tree.h: Remove the prototype for add_var_to_bind_expr.
11129 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11131 * regclass.c (n_non_fixed_regs): Remove.
11132 (init_reg_sets_1, globalize_reg): Remove all uses of
11134 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11136 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11138 * rtlanal.c (insns_safe_to_move_p): Remove.
11139 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11143 * expmed.c (expand_mult_add): Remove.
11144 * expr.h: Remove the prototype for expand_mult_add.
11146 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11148 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11149 and REG_SAVED_VAL_EXP constants.
11150 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11151 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11152 Handle regs stored by value.
11153 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11154 (execute_cfa_program): Handle DW_CFA_val_offset,
11155 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11156 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11157 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11158 (uw_install_context_1): Handle target regs stored by value.
11160 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11162 * tree-sra.c (tree_sra): Return todoflags;
11163 (generate_one_element): Set TODO_update_smt_usage if needed.
11164 (pass_sra): Remove TODO_update_smt_usage.
11165 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11167 (tree_ssa_forward_propagate_single_use_vars): Return
11168 TODO_update_smt_usage if we need to update SMT usage.
11169 (pass_forwprop): Remove TODO_update_smt_usage.
11171 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11173 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11174 (correct_use_link): Remove reference to get_stmt_operands.
11175 (update_stmt_operands): Likewise.
11176 (get_modify_expr_operands): New function factored out of
11177 parse_ssa_operands and get_expr_operands.
11178 Try to create V_MUST_DEFs for LHS by default.
11179 (get_expr_operands) <case MODIFY_EXPR>: Call
11180 get_modify_expr_operands.
11181 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11182 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11183 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11184 get_modify_expr_operands.
11186 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11188 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11189 * tree-flow.h: Remove the prototype for
11190 referenced_var_lookup_if_exists.
11192 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11194 PR rtl-optimization/26345
11196 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11198 2006-03-03 Roger Sayle <roger@eyesopen.com>
11200 PR tree-optimization/26524
11201 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11202 fold_convert to create a constant of the appropriate type.
11204 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11206 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11207 SYMBOL_REF_IN_BLOCK_P.
11208 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11209 of SYMBOL_FLAG_IN_BLOCK.
11210 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11211 instead of SYMBOL_REF_IN_BLOCK_P.
11212 * explow.c (use_anchored_address): Likewise.
11213 * rtl.c (rtx_size): Likewise.
11214 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11215 instead of SYMBOL_FLAG_IN_BLOCK.
11216 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11217 SYMBOL_REF_IN_BLOCK_P.
11218 (assemble_variable): Likewise.
11219 (output_constant_def_contents): Likewise.
11220 (output_constant_pool): Likewise.
11221 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11222 instead of SYMBOL_FLAG_IN_BLOCK.
11223 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11224 SYMBOL_REF_IN_BLOCK_P.
11225 (SYMBOL_REF_BLOCK): Likewise.
11226 (SYMBOL_REF_OFFSET): Likewise.
11227 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11228 SYMBOL_REF_IN_BLOCK_P.
11229 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11230 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11231 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11232 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11234 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11236 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11238 2006-03-02 Roger Sayle <roger@eyesopen.com>
11240 * simplify-rtx.c (simplify_unary_operation): When simplifying
11241 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11242 that we perform the right shift in the appropriate mode, and
11243 then extend or truncate the result to requested mode.
11245 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11247 * gengtype.c (main): Handle double_int type.
11248 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11249 * double-int.c: New file.
11250 * double-int.h: New file.
11251 * system.h: Include doubleint.h.
11252 * Makefile.in (SYSTEM_H): Include double-int.h.
11253 (double-int.o): Add.
11255 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11258 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11261 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11263 * tree-vrp.c (remove_range_assertions): Do not update statements
11266 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11268 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11270 * gcse.c (rest_of_handle_gcse): Ditto.
11271 * except.c (gate_handle_eh): Ditto.
11272 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11273 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11275 2006-03-02 Eric Christopher <echristo@apple.com>
11277 * config/i386/i386.c (machopic_output_stub): Add indirection to
11280 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11284 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11286 Sun Niagara specific optimizations.
11287 * config.gcc: Recognize niagara as target.
11288 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11289 (TARGET_CPU_niagara): Define.
11290 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11291 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11292 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11293 (ASM_CPU_SPEC): Likewise.
11294 (PROCESSOR_NIAGARA): New enum entry.
11295 (REGISTER_MOVE_COST): Handle Niagara.
11296 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11297 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11298 (sparc_override_options): Recognize "niagara", set appropriate
11299 default MASK_* values for it, and align functions to 32-bytes
11300 by default just like ULTRASPARC/ULTRASPARC3.
11301 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11302 (sparc64_initialize_trampoline): Likewise.
11303 (sparc_use_sched_lookahead): Use zero for niagara.
11304 (sparc_issue_rate): Use one for niagara.
11305 * config/sparc/niagara.md: New file.
11306 * config/sparc/sparc.md: Include it.
11307 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11308 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11309 when default cpu is niagara.
11310 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11311 (ASM_CPU_SPEC): Likewise.
11312 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11313 when default cpu is niagara.
11314 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11315 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11316 just like v9/ultrasparc/ultrasparc3.
11317 * doc/invoke.texi: Add documentation for "niagara" and improve
11318 existing documentation for ultrasparc variants.
11320 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11322 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11324 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11326 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11327 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11328 and say that only one is needed.
11329 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11330 * target.h (have_switchable_bss_sections): New hook.
11331 * explow.c (use_anchored_address): Check that the symbol is in a block.
11332 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11333 (bss_noswitch_section): New variables.
11334 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11335 (get_noswitch_section): New function.
11336 (get_block_for_section): Allow SECT to be null.
11337 (unlikely_text_section_p): Use SECTION_STYLE.
11338 (bss_initializer_p): New function.
11339 (get_variable_section): Move earlier in file. Take a new argument,
11340 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11341 Return one of the new *_sections in such cases.
11342 (get_block_for_decl): New function, extracting some logic from
11343 use_blocks_for_decl_p.
11344 (change_symbol_section): Remove in favor of...
11345 (change_symbol_block): ...this new function.
11346 (use_blocks_for_decl_p): Remove checks now performed by
11347 get_block_for_decl.
11348 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11349 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11350 (emit_local, emit_bss, emit_common): ...these new functions.
11351 Return true if the alignment was honored.
11352 (emit_tls_common): New function.
11353 (asm_emit_uninitialised): Delete.
11354 (assemble_variable_noswitch): New function, split out from...
11355 (assemble_variable): ...here. Don't make decisions about common
11356 variables here. Globalize all public decls that go into non-common
11357 sections. Check whether SYMBOL_REF_BLOCK is null.
11358 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11359 (output_constant_pool): Likewise.
11360 (init_varasm_once): Initialize the new section variables.
11361 (have_global_bss_p): New function.
11362 (categorize_decl_for_section): Use bss_initializer_p.
11363 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11364 (place_block_symbol): Assert that the symbol must be in a block.
11365 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11366 (TARGET_INITIALIZER): Include it.
11367 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11368 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11369 (SECTION_MACH_DEP): Bump by two.
11370 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11371 (unnamed_section): Mention SECTION_UNNAMED in comment.
11372 (named_section): Likewise SECTION_NAMED.
11373 (noswitch_section_callback): New type.
11374 (noswitch_section): New structure.
11375 (section): Add a noswitch_section alternative.
11376 (SECTION_STYLE): New macro.
11377 (tls_comm_section, comm_section, lcomm_section): Declare.
11378 (bss_noswitch_section, have_global_bss_p): Declare.
11379 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11380 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11382 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11383 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11386 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11388 * tree-vrp.c (execute_vrp): Return value.
11389 * regrename.c (rest_of_handle_regrename): Ditto.
11390 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11391 * tree-complex.c (tree_lower_complex): Ditto.
11392 (tree_lower_complex_O0): Ditto.
11393 * tracer.c (rest_of_handle_tracer): Ditto.
11394 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11395 * postreload.c (rest_of_handle_postreload): Ditto.
11396 * tree-tailcall.c (execute_tail_recursion): Ditto.
11397 (execute_tail_calls): Ditto.
11398 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11399 * tree.h (init_function_for_compilation): Ditto.
11400 * ipa-cp.c (ipcp_driver): Ditto.
11401 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11402 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11403 * final.c (compute_alignments): Ditto.
11404 (rest_of_handle_final): Ditto.
11405 (rest_of_handle_shorten_branches): Ditto.
11406 (rest_of_clean_state): Ditto.
11407 * omp-low.c (execute_expand_omp): Ditto.
11408 (execute_lower_omp): Ditto.
11409 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11410 * ipa-reference.c (static_execute): Ditto.
11411 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11412 * reorg.c (rest_of_handle_delay_slots): Ditto.
11413 (rest_of_handle_machine_reorg): Ditto.
11414 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11415 * flow.c (recompute_reg_usage): Ditto.
11416 (rest_of_handle_remove_death_notes): Ditto.
11417 (rest_of_handle_life): Ditto.
11418 (rest_of_handle_flow2): Ditto.
11419 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11420 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11421 (do_ssa_store_ccp): Ditto.
11422 (execute_fold_all_builtins): Ditto.
11423 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11424 * modulo-sched.c (rest_of_handle_sms): Ditto.
11425 * ipa-pure-const.c (static_execute): Ditto.
11426 * cse.c (rest_of_handle_cse): Ditto.
11427 (rest_of_handle_cse2): Ditto.
11428 * web.c (rest_of_handle_web): Ditto.
11429 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11430 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11431 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11432 * tree-nrv.c (tree_nrv): Ditto.
11433 (execute_return_slot_opt): Ditto.
11434 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11435 (create_structure_vars): Ditto.
11436 * loop-init.c (rtl_loop_init): Ditto.
11437 (rtl_loop_done): Ditto.
11438 (rtl_move_loop_invariants): Ditto.
11439 (rtl_unswitch): Ditto.
11440 (rtl_unroll_and_peel_loops): Ditto.
11441 (rtl_doloop): Ditto.
11442 * gimple-low.c (lower_function_body): Ditto.
11443 (mark_used_blocks): Ditto.
11444 * tree-ssa-sink.c (execute_sink_code): Ditto.
11445 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11446 (cgraph_early_inlining): Ditto.
11447 * global.c (rest_of_handle_global_alloc): Ditto.
11448 * jump.c (cleanup_barriers): Ditto.
11449 (purge_line_number_notes): Ditto.
11450 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11451 (rest_of_handle_if_after_reload): Ditto.
11452 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11453 (tree_ssa_loop_im): Ditto.
11454 (tree_ssa_loop_unswitch): Ditto.
11455 (tree_vectorize): Ditto.
11456 (tree_linear_transform): Ditto.
11457 (tree_ssa_loop_ivcanon): Ditto.
11458 (tree_ssa_empty_loop): Ditto.
11459 (tree_ssa_loop_bounds): Ditto.
11460 (tree_complete_unroll): Ditto.
11461 (tree_ssa_loop_prefetch): Ditto.
11462 (tree_ssa_loop_ivopts): Ditto.
11463 (tree_ssa_loop_done): Ditto.
11464 * predict.c (tree_estimate_probability): Ditto.
11465 * recog.c (split_all_insns_noflow): Ditto.
11466 (rest_of_handle_peephole2): Ditto.
11467 (rest_of_handle_split_all_insns): Ditto.
11468 * tree-eh.c (lower_eh_constructs): Ditto.
11469 * regmove.c (rest_of_handle_regmove): Ditto.
11470 (rest_of_handle_stack_adjustments): Ditto.
11471 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11472 * function.c (instantiate_virtual_regs): Ditto.
11473 (init_function_for_compilation): Ditto.
11474 (rest_of_handle_check_leaf_regs): Ditto.
11475 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11476 (rest_of_handle_gcse): Ditto.
11477 * ipa-type-escape.c (type_escape_execute): Ditto.
11478 * alias.c (rest_of_handle_cfg): Ditto.
11479 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11480 * profile.c (rest_of_handle_branch_prob): Ditto.
11481 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11482 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11483 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11484 * tree-dfa.c (find_referenced_vars): Ditto.
11485 * except.c (set_nothrow_function_flags): Ditto.
11486 (convert_to_eh_region_ranges): Ditto.
11487 (rest_of_handle_eh): Ditto.
11488 * emit-rtl.c (unshare_all_rtl): Ditto.
11489 (remove_unnecessary_notes): Ditto.
11490 * except.h (set_nothrow_function_flags): Ditto.
11491 (convert_to_eh_region_ranges): Ditto.
11492 * cfgexpand.c (tree_expand_cfg): Ditto.
11493 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11494 * tree-ssa-pre.c (do_pre): Ditto.
11495 (execute_fre): Ditto.
11496 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11497 (rest_of_handle_jump2): Ditto.
11498 * tree-sra.c (tree_sra): Ditto.
11499 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11500 (execute_mudflap_function_decls): Ditto.
11501 * tree-ssa-copy.c (do_copy_prop): Ditto.
11502 (do_store_copy_prop): Ditto.
11503 * ipa-prop.h (ipcp_driver): Ditto.
11504 * cfglayout.c (insn_locators_initialize): Ditto.
11505 * tree-ssa-forwprop.c
11506 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11507 * cfglayout.h (insn_locators_initialize): Ditto.
11508 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11509 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11510 (execute_late_warn_uninitialized): Ditto.
11511 * rtl.h (cleanup_barriers): Ditto.
11512 (split_all_insns_noflow): Ditto.
11513 (purge_line_number_notes): Ditto.
11514 (unshare_all_rtl): Ditto.
11515 (remove_unnecessary_notes): Ditto.
11516 (recompute_reg_usage): Ditto.
11517 (variable_tracking_main): Ditto.
11518 * integrate.c (emit_initial_value_sets): Ditto.
11519 * integrate.h (emit_initial_value_sets): Ditto.
11520 * tree-optimize.c (execute_free_datastructures): Ditto
11521 (execute_free_cfg_annotations): Ditto.
11522 (execute_fixup_cfg): Ditto.
11523 (execute_cleanup_cfg_pre_ipa): Ditto.
11524 (execute_cleanup_cfg_post_optimizing): Ditto.
11525 (execute_init_datastructures): Ditto.
11526 * tree-object-size.c (compute_object_sizes): Ditto.
11527 * combine.c (rest_of_handle_combine): Ditto.
11528 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11529 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11530 (rest_of_handle_reorder_blocks): Ditto.
11531 (rest_of_handle_partition_blocks): Ditto.
11532 * var-tracking.c (variable_tracking_main): Ditto.
11533 * tree-profile.c (tree_profiling): Ditto.
11534 * tree-vect-generic.c (expand_vector_operations): Ditto.
11535 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11536 * sched-rgn.c (rest_of_handle_sched): Ditto.
11537 (rest_of_handle_sched2): Ditto.
11538 * basic-block.h (free_bb_insn): Ditto.
11539 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11540 * tree-cfg.c (execute_build_cfg): Ditto.
11541 (remove_useless_stmts): Ditto.
11542 (split_critical_edges): Ditto.
11543 (execute_warn_function_return): Ditto.
11544 (execute_warn_function_noreturn): Ditto.
11545 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11546 * cfgrtl.c (free_bb_for_insn): Ditto.
11547 * passes.c (execute_one_pass): Run additional
11548 todos returned by execute function.
11549 * tree-pass.h (struct tree_opt_pass): Make execute
11552 2006-03-02 Richard Guenther <rguenther@suse.de>
11554 * tree-ssa-alias.c (find_used_portions): Consider taking
11555 the address as making the variable not write-only.
11557 2006-03-02 Nick Clifton <nickc@redhat.com>
11559 * config.gcc (default_use_cxa_atexit): Extend the description of
11560 this configure variable. Set its default value to "yes" for
11561 Linux, NetBSD and ELF targets on the assumption that they will
11562 use C libraries with the __cxa_atexit function.
11564 2006-03-02 Ben Elliston <bje@au.ibm.com>
11566 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11567 parameter as unused to suppress a build warning.
11569 2006-03-02 Ben Elliston <bje@au.ibm.com>
11571 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11574 2006-03-01 Roger Sayle <roger@eyesopen.com>
11577 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11578 declared name, the weak reference name, and the typeof name.
11579 (__gthrw): Avoid expanding the declared name suffix.
11580 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11582 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11584 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11586 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11587 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11588 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11589 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11590 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11591 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11592 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11593 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11594 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11595 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11596 (DW_END_default, DW_END_big, DW_END_little): New.
11597 (DW_END_lo_user, DW_END_hi_user): Define.
11598 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11599 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11600 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11603 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11605 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11607 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11609 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11611 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11613 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11614 to 'symbol_mem_tag'.
11616 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11619 2006-03-01 Roger Sayle <roger@eyesopen.com>
11621 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11623 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11626 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11627 MACHO_DYNAMIC_NO_PIC_P.
11628 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11630 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11633 * config/darwin-protos.h (darwin_asm_output_anchor):
11635 * config/darwin-sections.def (cstring_section):
11636 Add SECTION_MERGE to the flags.
11637 (literal4_section): Likewise.
11638 (literal8_section): Likewise.
11639 (objc_selector_refs_section): Likewise.
11640 (objc_cls_refs_section): Likewise.
11641 * config/darwin.c (darwin_asm_output_anchor): New
11643 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11645 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11647 Fix PR tree-optimization/26443
11648 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11649 to todo and PROP_tmt_usage to properties_destroyed.
11650 * tree-ssa-ccp.c (pass_ccp): Ditto.
11651 (pass_store_ccp): Ditto.
11652 * tree-ssa-dom.c (pass_dominator): Ditto.
11654 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11656 * tree-ssa-operands.c: Cleanup whitespace.
11657 (get_asm_expr_operands): Move before first invocation.
11658 (get_indirect_ref_operands): Likewise.
11659 (get_tmr_operands): Likewise.
11660 (get_call_expr_operands): Likewise.
11661 (append_def): Likewise.
11662 (append_use): Likewise.
11663 (append_v_may_def): Likewise.
11664 (append_v_must_def): Likewise.
11665 (add_call_clobber_ops): Likewise.
11666 (add_call_read_ops): Likewise.
11667 (add_stmt_operand): Likewise.
11668 (add_virtual_operand): Likewise.
11669 (build_ssa_operands): Likewise.
11671 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11673 PR middle-end/26022
11675 PR middle-end/24437
11676 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11677 with a call expr to ...
11678 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11680 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11682 * tree-vrp.c (extract_range_from_assert): Remove special
11683 handling for types with super-types.
11685 2006-03-01 Ben Elliston <bje@au.ibm.com>
11687 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11688 and powerpc64-*-linux* configurations.
11689 * config/t-dfprules: New file.
11691 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11692 Compile dfp-bit.c from the source directory using -DWIDTH and
11693 $DFP_CFLAGS to control the compilation of that file, rather than
11694 generating width-specific versions in the build directory.
11695 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11696 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11698 2006-02-28 Zack Weinberg <zackw@panix.com>
11700 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11703 2006-02-28 Eric Christopher <echristo@apple.com>
11705 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11706 Set up IN_LIBGCC definition of TARGET_64BIT.
11707 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11709 2006-02-28 Roger Sayle <roger@eyesopen.com>
11711 PR middle-end/14752
11712 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11713 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11714 cases via the construction of "expr != 0".
11716 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11718 * alias.c (alias_invariant, alias_invariant_size): Remove.
11719 (record_base_value): Remove.
11720 (memrefs_conflict_p): Don't look at alias_invariant.
11721 (end_alias_analysis): Don't free it.
11722 * alias.h (record_base_value): Remove prototype.
11724 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11725 Adam Nemet <anemet@caviumnetworks.com>
11727 * rtl.h (truncated_to_mode): Declare it.
11728 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11729 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11730 (RTL_HOOKS_INITIALIZER): Include it.
11731 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11732 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11733 reg_truncated_to_mode.
11734 * rtlanal.c (truncated_to_mode): Define it.
11735 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11737 2006-02-28 Jeff Law <law@redhat.com>
11739 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11740 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11741 the range allowed by TYPE_PRECISION.
11743 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11745 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11747 PR tree-optimization/26419
11748 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11751 2006-02-27 Zack Weinberg <zackw@panix.com>
11753 * doc/md.texi: Fix typo in previous change.
11755 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11759 2006-02-27 Zack Weinberg <zackw@panix.com>
11761 * rtl.def (define_constraint, define_register_constraint)
11762 (define_memory_constraint, define_address_constraint): New MD forms.
11763 * gensupport.c (process_rtx): Put define_constraint etc on the
11765 * genpreds.c (process_define_predicate): Adjust comment. Validate
11766 the name, and call validate_exp to validate the expression.
11767 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11768 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11769 all callers changed.
11770 (validate_exp, needs_variable, struct constraint_data)
11771 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11772 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11773 (const_dbl_constraints, constraint_max_namelen)
11774 (have_register_constraints, have_memory_constraints)
11775 (have_address_constraints, have_address_constraints)
11776 (have_extra_constraints, have_const_int_constraints)
11777 (have_const_dbl_constraints, mangle, add_constraint)
11778 (process_define_constraint, process_define_register_constraint)
11779 (write_enum_constraint_num, write_lookup_constraint)
11780 (write_insn_constraint_len, write_regclass_for_constraint)
11781 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11782 (write_insn_extra_memory_constraint)
11783 (write_insn_extra_address_constraint)
11784 (write_satisfies_constraint_fns): New.
11785 (write_tm_preds_h): If we have new-style constraint definitions,
11786 prototype the functions generated from them, and define the
11787 old constraint interface (still used by generic code) in terms of
11789 (write_insn_preds_c): If we have new-style constraint definitions,
11790 generate all relevant functions from those definitions.
11791 (main): Handle define_constraint etc.
11792 * genoutput.c (struct constraint_data, indep_constraints)
11793 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11794 (mdep_constraint_len): New data structures and functions, defined
11795 #ifdef USE_MD_CONSTRAINTS.
11796 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11797 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11798 use new logic to validate operand constraints against constraint
11800 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11802 * defaults.h: If none of the old-style constraint macros are
11803 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11804 old-style macros; and poison REG_CLASS_FROM_LETTER,
11805 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11807 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11808 * doc/md.texi: Document new constraint-definition mechanism and the
11809 C interface it provides. Remove references to old mechanism
11810 elsewhere in the document.
11811 (Machine Constraints): Use pathnames relative to gcc directory,
11812 i.e. config/ARCH/FILE. Change i386 section to refer to
11813 config/i386/predicates.md; update that section to match docstrings.
11814 * doc/tm.texi: Move all documentation of the old constraint-
11815 definition macros to their own section, clearly mark as obsolete.
11817 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11818 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11820 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11821 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11822 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11823 constraint strings.
11824 (splits and peepholes): Use satisfies_constraint_*.
11825 * config/i386/i386.c (memory_address_length)
11826 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11828 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11830 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11831 scalar operation to be put back into the loop.
11833 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11836 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11837 (extract_cie_info): Handle S flag in augmentation string.
11838 (execute_cfa_program): If context->signal_frame, execute also
11839 fs->pc == context->ra instructions.
11840 (uw_frame_state_for): If context->signal_frame, don't subtract one
11841 from context->ra to find FDE.
11842 (uw_update_context_1): Set context->signal_frame to
11844 (_Unwind_GetIPInfo): New function.
11845 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11846 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11848 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11849 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11850 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11851 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11852 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11853 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11854 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11855 x86_64_fallback_frame_state): Set fs->signal_frame.
11856 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11857 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11858 (frob_update_context): Likewise. Workaround missing S flag in
11859 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11860 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11861 Remove the psw_addr + 1 hack.
11863 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11865 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11866 with aggregates here.
11867 (find_func_aliases): Remove code for &<aggregate> from here.
11869 2006-02-26 Roger Sayle <roger@eyesopen.com>
11871 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11872 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11873 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11874 as (X & C) ne/eq 0.
11876 2006-02-26 Roger Sayle <roger@eyesopen.com>
11878 PR middle-end/19983
11879 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11881 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11883 * opts.c (decode_options): Do not handle flag_strength_reduce.
11884 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11885 and OPT_fstrength_reduce.
11886 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11887 flag_prefetch_loop_arrays for being nonzero.
11888 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11890 (fprefetch-loop-arrays-rtl): Removed.
11891 (flag_prefetch_loop_arrays): Do not specify the value.
11893 * doc/passes.texi: Update documentation of loop optimizer
11895 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11896 -frerun-loop-opt): Remove.
11898 2006-02-26 Richard Guenther <rguenther@suse.de>
11900 PR tree-optimization/26421
11901 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11902 in function calls that are ADDR_EXPRs as using the whole structure.
11904 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11906 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11907 * tree-pass.h (pass_loop_optimize): Remove.
11908 * passes.c (pass_loop_optimize): Never run it.
11909 * toplev.c (backend_init): Don't call init_loop.
11910 * opts.c (flag_loop_optimize_set): Remove.
11911 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11912 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11913 the old RTL loop optimizer when profiling enabled.
11914 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11915 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11916 pre-headers for the sake of the old RTL loop optimizer.
11917 * Makefile.in: Remove all references to loop.o.
11919 * doc/invoke.texi: Remove all references to -floop-optimize
11920 and -frerun-loop-opt.
11922 2006-02-26 Zack Weinberg <zackw@panix.com>
11924 * doc/md.texi (Machine Constraints): Refer to all files with paths
11925 relative to gcc directory (i.e. config/CPU/file). Add missing
11926 @table @code ... @end table to M32C subsection.
11928 2006-02-26 Roger Sayle <roger@eyesopen.com>
11930 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11932 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11934 2006-02-26 Roger Sayle <roger@eyesopen.com>
11935 James A. Morrison <phython@gcc.gnu.org>
11937 PR middle-end/21137
11938 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11939 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11940 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11941 signedness of the shift operation.
11943 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11945 PR tree-optimization/26359
11946 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11948 2006-02-25 Roger Sayle <roger@eyesopen.com>
11950 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11951 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11952 as X == 0, and some symmetry related transformations.
11953 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11955 2006-02-25 Roger Sayle <roger@eyesopen.com>
11957 PR middle-end/23673
11958 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11959 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11960 symmetry related transformations. Fold (X^C1) == C2 as
11963 2006-02-25 Juergen Weigert <jw@suse.de>
11964 Richard Guenther <rguenther@suse.de>
11966 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11968 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11970 * combine.c (gen_lowpart_or_truncate): Call
11971 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11973 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11975 * doc/invoke.texi: Move -fopenmp description to "Options for
11977 Remove reference to -lgomp.
11979 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11981 * doc/install.texi: Require GNU tar version 1.14.
11983 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11985 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11986 * doc/invoke.texi (C++ Dialect Options): Document
11987 -fno-use-cxa-get-exception-ptr.
11988 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11989 * configure: Regenerate.
11990 * c.opt (fuse-cxa-get-exception-ptr): New.
11991 * c-opts.c (c_common_handle_option): Handle
11992 OPT_fuse_cxa_get_exception_ptr.
11993 * c-common.c (flag_use_cxa_atexit): Update documentation.
11994 (flag_use_cxa_get_exception_ptr): New.
11995 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11996 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11998 (C_COMMON_OVERRIDE_OPTIONS): New.
12000 2006-02-24 Roger Sayle <roger@eyesopen.com>
12002 PR middle-end/24952
12003 * combine.c (try_combine): Explicitly check whether GET_CODE is
12004 a SET or a CLOBBER, instead on checking that it isn't a USE.
12006 2006-02-24 Roger Sayle <roger@eyesopen.com>
12008 * fold-const.c (fold_comparison): New subroutine of fold_binary
12009 containing transformations common to both the equality and
12010 ordering relational operators, factored out of fold_binary.
12011 (fold_binary): Separate out the equality operators (EQ_EXPR
12012 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12013 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12014 transformations common to both.
12015 (fold_div_compare): Fix latent bugs in the previously unreachable
12016 LT_EXPR and GE_EXPR cases.
12018 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12020 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12021 decl libname for clog to __clog on AIX.
12023 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12025 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12028 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12029 output traceback table for thunks. Localise rs6000_stack_info call.
12031 2006-02-23 Roger Sayle <roger@eyesopen.com>
12032 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12034 * gthr-posix.h (__gthrw): Fix typo in comment.
12036 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12038 * doc/cpp.texi (Character sets): Document that we do support
12039 input files to be in any character set.
12041 2006-02-23 Jeff Law <law@redhat.com>
12043 * tree.h (PHI_ARG_NONZERO): Remove.
12044 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12045 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12046 node to the new node.
12048 PR tree-optimization/26425
12049 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12050 min/max, then assume its varying.
12052 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12054 PR rtl-optimization/26316
12055 * rtlanal.c (enum may_trap_p_flags): New.
12056 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12057 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12058 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12059 (may_trap_after_code_motion_p): New function.
12060 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12061 (find_invariant_insn): Use may_trap_after_code_motion_p.
12062 * rtl.h (may_trap_after_code_motion_p): Declare.
12064 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12066 * emit-rtl.c (immed_double_const): Cleanup.
12068 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12070 Fix PR tree-optimization/26376
12071 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12074 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12076 PR middle-end/26412
12077 * gimplify.c (omp_add_variable): Guard variable size decl test with
12078 DECL_SIZE (decl) check.
12080 2006-02-23 Richard Guenther <rguenther@suse.de>
12082 PR middle-end/26439
12083 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12084 like aggregate types.
12086 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12088 * configure.ac: Add --with{,out}-long-double-128 configure option.
12089 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12090 * configure: Rebuilt.
12091 * config.in: Rebuilt.
12092 * doc/install.texi (Options specification): Document
12093 --with-long-double-128.
12095 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12096 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12097 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12098 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12100 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12102 * config/s390/s390.c (override_options): Handle
12103 TARGET_DEFAULT_LONG_DOUBLE_128.
12105 * config/alpha/alpha.c (override_options): Handle
12106 TARGET_DEFAULT_LONG_DOUBLE_128.
12108 * config/sparc/sparc.c (sparc_override_options): Handle
12109 TARGET_DEFAULT_LONG_DOUBLE_128.
12111 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12113 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12114 (real-install-headers-tar, real-install-headers-cpio)
12115 (real-install-headers-cp): New targets.
12117 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12119 * tree.h (variable_section): Delete.
12120 * varasm.c (variable_section): Delete.
12122 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12124 * install.texi: Add notes on install.texi2html.
12125 (Building in parallel): Do not use footnotes.
12127 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12130 * doc/install.texi (Configuration): Document --disable-libgomp.
12132 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12134 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12136 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12138 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12139 (vec_extractv2df_0_sse): New.
12141 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12143 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12144 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12145 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12146 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12147 to the result of the expression.
12148 (def_cfa_1): Adjust.
12149 (frame_pointer_cfa_offset): Rename to...
12150 (frame_pointer_fb_offset): ... this. Adjust all uses.
12151 (convert_cfa_to_loc_list): Rename to...
12152 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12153 Pass it on to build_cfa_loc.
12154 (compute_frame_pointer_to_cfa_displacement): Rename to...
12155 (compute_frame_pointer_to_fb_displacement): ... this. New
12156 offset parameter. Use it in computation.
12157 (gen_subprogram_die): Compute cfa_fb_offset with the new
12158 macro, and use it to compute the fb loc list and the
12161 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12163 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12164 replaced with register_operand.
12165 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12166 non-DREG is expensive.
12167 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12168 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12171 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12173 * doc/install.texi2html: Use set -e.
12175 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12177 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12178 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12179 * doc/invoke.texi (-fshared-data): Delete.
12180 * common.opt (fshared-data): Delete.
12181 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12182 (assemble_static_space): Remove #if 0 code.
12183 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12184 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12185 * config/cris/cris.h: Remove FIXME.
12187 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12189 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12192 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12194 PR middle-end/26379
12195 * combine.c (simplify_shift_const_1): Disable nested shifts
12196 optimization for vector shifts.
12198 2006-02-20 Roger Sayle <roger@eyesopen.com>
12200 PR tree-optimization/26361
12201 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12202 of unsigned integer types.
12204 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12206 * tree-chrec.c (eq_evolutions_p): New.
12207 * tree-chrec.h (eq_evolutions_p): Declared.
12208 * tree-data-ref.c: Fix formatting.
12209 (datadep_stats, dependence_stats): New.
12211 (print_direction_vector): New.
12212 (dump_data_dependence_relation): Use print_direction_vector.
12213 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12214 (compute_subscript_distance): Static.
12215 (initialize_data_dependence_relation): Static. Get the number
12216 of loops surrounding the references from the callers, and initialize
12217 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12218 base_object_differ_p analyzers.
12219 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12220 compute_overlap_steps_for_affine_1_2,
12221 analyze_subscript_affine_affine): Count the classified dependences.
12222 Print a message when a test failed.
12223 (can_use_analyze_subscript_affine_affine): New.
12224 (analyze_siv_subscript): Compute the data dependences on symbolic
12225 scevs that verify can_use_analyze_subscript_affine_affine.
12226 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12227 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12228 Handle symbolic scevs.
12229 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12231 (subscript_dependence_tester): Moved...
12232 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12233 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12234 DDR_SIZE_VECT instead of getting it in parameter.
12235 (subscript_dependence_tester): ... here. Take as a parameter
12236 loop_nest_depth. Call build_classic_dist_vector and
12237 build_classic_dir_vector.
12238 (compute_affine_dependence): Update subscript_dependence_tester
12239 parameters. Update datadep_stats counters. Call
12240 compute_subscript_distance.
12241 (compute_self_dependence): Save the dist and dir vectors. Call
12242 compute_subscript_distance.
12243 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12244 (compute_all_dependences): Reorder parameters as they were before
12245 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12246 compute_subscript_distance. Update the use of
12247 compute_affine_dependence and initialize_data_dependence_relation.
12248 (find_data_references_in_loop): Handle COMPONENT_REF.
12249 (compute_data_dependences_for_loop): Initialize dependence_stats.
12250 Don't call build_classic_dist_vector and build_classic_dir_vector.
12251 Update the parameters of initialize_data_dependence_relation and
12252 compute_all_dependences. Print the statistics from datadep_stats.
12253 (analyze_all_data_dependences): Static. Not used until the pass for
12254 checking the data dependences is contributed.
12255 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12256 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12257 (initialize_data_dependence_relation, compute_affine_dependence,
12258 analyze_all_data_dependences, compute_subscript_distance): Removed.
12259 (print_direction_vector): New.
12260 * lambda.h (gcd): ... here.
12261 (lambda_vector_gcd): Moved here from gcd_vector.
12262 * lambda-code.c (gcd, gcd_vector): Removed.
12263 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12264 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12266 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12268 * ipa-type-escape.c: Tidy some comments and white space.
12269 * tree-ssa-operands.c: Likewise.
12271 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12274 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12275 (dump_decl_name): Do not walk the decl tree chains.
12276 * tree-pass.h (TDF_CHAIN): Remove.
12278 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12280 * Makefile.in (C): Remove
12282 (.PHONY): Remove C and PROTO
12284 2006-02-20 Roger Sayle <roger@eyesopen.com>
12286 PR middle-end/26236
12287 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12288 deprecated CHAR_TYPE tree code.
12290 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12292 * configure.ac (target_list): Add install-info, dvi, html.
12293 * configure: Regenerate.
12295 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12296 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12297 treelang/Make-lang.in: Do not use double-colon rules.
12299 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12301 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12302 (TMT_USED_ALONE): New macro.
12303 * tree-pass.h (PROP_tmt_usage): New property.
12304 (TODO_update_tmt_usage): New todo.
12305 * tree-ssa-alias.c (updating_used_alone): New variable.
12306 (recalculate_used_alone): New function.
12307 (compute_may_aliases): Set updating_used_alone, call
12308 recalculate_used_alone.
12309 * tree-sra.c (pass_sra): Note that this pass destroys
12310 PROP_tmt_usage, and add TODO_update_tmt_usage.
12311 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12312 * tree-flow.h (updating_used_alone): Prototype.
12313 (recalculate_used_alone): Ditto.
12314 * passes.c (execute_todo): Add code to set updating_used_alone,
12315 and call recalculate.
12316 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12317 for clobber if used alone, and add assert to verify used_alone
12320 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12322 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12323 for non tls symbols added.
12324 (legitimize_address): Do nothing for PLUS expressions if one of the
12325 addends is a tls symbol reference.
12327 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12331 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12333 * Makefile.in (BOOTSTRAPPING): New.
12334 (quickstrap): New definition if BOOTSTRAPPING=yes.
12336 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12337 * configure.ac: Substitute all_selected_languages with the languages
12338 that were configured. For all the other variables except
12339 lang_specs_files, include all the languages in the tree.
12340 * configure: Regenerate.
12342 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12343 if there is one. Run the commands to run fixincludes in the same
12346 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12347 * doc/install.texi: Document exact conventions for searching target tools.
12348 Document --with-build-time-tools. Document toplevel bootstrap. Document
12349 something more about building an Ada cross-compiler. Don't list GNU Make
12350 requirements which affect all platforms.
12352 2006-02-19 Roger Sayle <roger@eyesopen.com>
12354 PR middle-end/19543
12355 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12356 only equivalent if the have both the same mode and precision.
12358 2006-02-20 Ben Elliston <bje@au.ibm.com>
12360 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12362 2006-02-19 Roger Sayle <roger@eyesopen.com>
12363 Steven Bosscher <stevenb.gcc@gmail.com>
12365 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12366 constant pool references to identify stack mode constants.
12367 * rtlanal.c (constant_pool_constant_p): New predicate to check
12368 whether operand is a floating point constant in the pool.
12369 * rtl.h (constant_pool_constant_p): Prototype here.
12370 * loop.c (scan_loop): Avoid hoisting constants from the constant
12371 pool on STACK_REGS targets.
12372 (load_mems): Likewise.
12373 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12374 loads into x87 registers expensive in terms of register pressure.
12376 2006-02-19 Roger Sayle <roger@eyesopen.com>
12378 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12379 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12381 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12383 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12384 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12386 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12388 * doc/invoke.texi: Document -fipa-pta.
12389 * common.opt: Add ipa-pta option.
12390 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12391 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12392 (do_ds_constraint): Ditto.
12393 (get_constraint_for): Only add to referenced_vars if
12394 referenced_vars exists.
12395 (insert_into_field_list): Rewrite to do this unsorted.
12396 (insert_into_field_list_sorted): Rename old insert_into_field_list
12398 (create_function_info_for): Use insert_into_field_list_sorted.
12399 (create_variable_info_for): Rewrite so it uses unsorted version,
12400 since the field list is sorted.
12401 (intra_create_variable_infos): Only add to referenced_vars if
12402 referenced_vars exists.
12403 (ipa_pta_execute): Init heapvars, and delete when done.
12404 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12406 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12408 * doc/install.texi: Add missing `@samp'.
12410 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12412 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12415 2006-02-18 Mark Wielaard <mark@klomp.org>
12417 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12418 who added new 4.1 features, bug fixes and integration support.
12420 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12423 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12424 MEM for ABI_V4 pic.
12426 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12428 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12429 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12430 (copy_insn_1): Likewise. Don't copy each field individually.
12432 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12434 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12435 * rtl.c (rtx_size): Rename variable to...
12436 (rtx_code_size): ...this.
12437 (rtx_size): New function.
12438 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12439 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12441 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12442 * rtl.h (rtx_code_size): New variable.
12443 (rtx_size): Change from a variable to a function.
12444 (RTX_SIZE): Rename to...
12445 (RTX_CODE_SIZE): ...this.
12448 PR tree-optimization/17106
12449 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12450 (Anchored Addresses): New section.
12451 * doc/invoke.texi (-fsection-anchors): Document.
12452 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12453 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12454 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12455 * hooks.c (hook_bool_mode_rtx_false): New function.
12456 * hooks.h (hook_bool_mode_rtx_false): Declare.
12457 * gengtype.c (create_optional_field): New function.
12458 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12459 SYMBOL_REF_IN_BLOCK_P is true.
12460 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12461 (min_anchor_offset, max_anchor_offset): Likewise.
12462 (use_anchors_for_symbol_p): New hook.
12463 * toplev.c (compile_file): Call output_object_blocks.
12464 (target_supports_section_anchors_p): New function.
12465 (process_options): Check that -fsection-anchors is only used on
12466 targets that support it and when -funit-at-a-time is in effect.
12467 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12468 if the decl doesn't have one.
12469 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12470 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12471 of force_const_mem through use_anchored_address.
12472 (expand_expr_constant): New function.
12473 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12474 calling expand_expr for INDIRECT_REF.
12475 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12476 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12477 * expr.h (use_anchored_address): Declare.
12478 * loop-unroll.c: Don't declare rtx vectors here.
12479 * explow.c: Include output.h.
12480 (validize_mem): Call use_anchored_address.
12481 (use_anchored_address): New function.
12482 * common.opt (-fsection-anchors): New switch.
12483 * varasm.c (object_block_htab, anchor_labelno): New variables.
12484 (hash_section, object_block_entry_eq, object_block_entry_hash)
12485 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12486 (use_blocks_for_decl_p, change_symbol_section): New functions.
12487 (get_variable_section): New function, split out from assemble_variable.
12488 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12489 use_blocks_for_decl_p say so. Use change_symbol_section if the
12490 symbol has already been created.
12491 (assemble_variable_contents): New function, split out from...
12492 (assemble_variable): ...here. Don't output any code for
12493 block symbols; just pass them to place_block_symbol.
12494 Use get_variable_section and assemble_variable_contents.
12495 (get_constant_alignment, get_constant_section, get_constant_size): New
12496 functions, split from output_constant_def_contents.
12497 (build_constant_desc): Create a block symbol if use_object_blocks_p
12498 says so. Or into SYMBOL_REF_FLAGS.
12499 (assemble_constant_contents): New function, split from...
12500 (output_constant_def_contents): ...here. Don't output any code
12501 for block symbols; just pass them to place_section_symbol.
12502 Use get_constant_section and get_constant_alignment.
12503 (force_const_mem): Create a block symbol if use_object_blocks_p and
12504 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12505 (output_constant_pool_1): Add an explicit alignment argument.
12506 Don't switch sections here.
12507 (output_constant_pool): Adjust call to output_constant_pool_1.
12508 Switch sections here instead. Don't output anything for block symbols;
12509 just pass them to place_block_symbol.
12510 (init_varasm_once): Initialize object_block_htab.
12511 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12512 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12513 (place_block_symbol, get_section_anchor, output_object_block)
12514 (output_object_block_htab, output_object_blocks): New functions.
12515 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12516 (TARGET_ASM_OUT): Include it.
12517 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12518 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12519 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12520 (TARGET_INITIALIZER): Include them.
12521 * rtl.c (rtl_check_failed_block_symbol): New function.
12522 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12523 (block_symbol, object_block): New structures.
12524 (rtx_def): Add a block_symbol field to the union.
12525 (BLOCK_SYMBOL_CHECK): New macro.
12526 (rtl_check_failed_block_symbol): Declare.
12527 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12528 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12529 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12530 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12531 * output.h (output_section_symbols): Declare.
12532 (object_block): Name structure.
12533 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12534 (default_use_anchors_for_symbol_p): Declare.
12535 * Makefile.in (RTL_BASE_H): Add vec.h.
12536 (explow.o): Depend on output.h.
12537 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12538 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12539 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12540 (rs6000_use_blocks_for_constant_p): New function.
12542 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12544 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12546 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12549 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12552 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12554 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12558 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12560 PR middle-end/26334
12561 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12562 instead of DECL_REGISTER.
12564 2006-02-18 Olivier Hainque <hainque@adacore.com>
12567 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12569 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12572 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12573 * opth-gen.awk: Handle Var and InverseMask together.
12574 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12575 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12576 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12577 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12579 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12580 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12581 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12582 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12583 LINUX_DYNAMIC_LINKER): Define.
12584 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12585 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12587 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12588 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12589 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12591 (TARGET_C99_FUNCTIONS): Don't define.
12592 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12593 GLIBC_DYNAMIC_LINKER.
12594 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12595 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12596 GLIBC_DYNAMIC_LINKER64): Define.
12597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12598 LINUX_DYNAMIC_LINKER64.
12599 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12601 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12603 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12605 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12606 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12607 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12609 and LINUX_DYNAMIC_LINKER32.
12610 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12612 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12614 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12616 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12617 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12618 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12619 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12620 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12621 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12622 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12623 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12624 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12625 LINUX_DYNAMIC_LINKER): Define.
12626 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12627 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12628 GLIBC_DYNAMIC_LINKER64): Define.
12629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12630 LINUX_DYNAMIC_LINKER64.
12631 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12632 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12633 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12634 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12635 LINUX_DYNAMIC_LINKER): Define.
12636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12637 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12638 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12639 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12640 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12641 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12642 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12643 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12644 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12645 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12647 * doc/invoke.texi (-muclibc): Remove caveat about supported
12650 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12652 * doc/cpp.texi (__TIMESTAMP__): Document.
12654 2006-02-17 Roger Sayle <roger@eyesopen.com>
12656 PR middle-end/25600
12657 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12658 C is one less than the width of X (and related transformations).
12659 * simplify-rtx.c (simplify_unary_operation_1): Transform
12660 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12661 depending on STORE_FLAG_VALUE, were C is one less then the
12664 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12666 Fix PR tree-optimization/26341
12667 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12668 about NAME_MEMORY_TAG's.
12670 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12673 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12674 with hardware float support, and software float support. Add fcpy
12675 alternative to hardware patterns. Add alternatives to copy between
12676 general and floating-point registers to the 32-bit pattern.
12677 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12678 secondary reload to load a QI or HI mode constant into a floating
12680 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12681 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12683 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12686 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12688 (load_macho_picbase_di): Likewise.
12690 2006-02-16 Jeff Law <law@redhat.com>
12692 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12693 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12694 (ssa_name_nonzero_p): Likewise.
12695 (get_value_range): Return NULL if VRP is not running.
12696 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12697 VRP routines do not discover a range.
12698 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12699 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12700 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12701 (tree_expr_nonnegative_p): Similarly.
12702 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12703 (restore_nonzero_vars_to_original_value): Remove.
12704 (unsafe_associative_fp_binop): Remove.
12705 (tree_ssa_dominator_optimize): Remove initialization and
12706 finalization of nonzero_vars and nonzero_vars_stack.
12707 (dom_opt_initialize_block): No longer push marker on
12708 nonzero_vars_stack.
12709 (dom_opt_finalize_block): No longer call
12710 restore_nonzero_vars_to_original_value.
12711 (record_equivalences_from_phis): No longer look for
12712 nonzero PHI arguments.
12713 (cprop_into_successor_phis): No longer propagate nonzero
12714 property into PHI arguments. Lose unused argument. Caller
12716 (record_equivalences_from_stmt): No longer record nonzero
12717 values for SSA_NAMEs.
12718 (lookup_avail_expr): No longer use nonzero_vars.
12720 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12721 for sizetype when sizetype is unsigned.
12723 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12725 PR rtl-optimization/25603
12726 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12727 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12728 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12729 with new meaning of SETS.
12731 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12736 * config/linux.opt: New file.
12737 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12738 LINUX_DYNAMIC_LINKER): Define.
12739 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12740 * config.gcc (*-*-linux*): Define extra_options.
12741 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12742 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12743 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12744 GLIBC_DYNAMIC_LINKER.
12745 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12746 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12747 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12748 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12749 * doc/invoke.texi (GNU/Linux Options): New section.
12751 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12753 * config/sparc/sparc.md (setjmp): Rewrite.
12754 (setjmp_32): Delete.
12755 (setjmp_64): Likewise.
12757 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12759 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12762 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12764 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12767 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12769 PR rtl-optimization/26296
12770 * Makefile.in (loop-invariant.c): Add except.h dependency.
12771 * loop-invariant.c: Include except.h.
12772 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12774 2005-02-16 Paul Brook <paul@codesourcery.com>
12776 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12779 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12781 PR rtl-optimization/25636
12782 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12783 when deciding whether an insn is an initializing insn.
12785 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12787 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12788 (tree_code_size): Ditto.
12789 * tree.h (struct tree_memory_tag): Remove parent_var.
12790 (struct tree_struct_field_tag): New.
12793 (union tree_node): Add sft member.
12794 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12796 (create_sft): Add size and offset argument, set SFT_OFFSET and
12798 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12799 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12800 * tree-flow-inline.h (get_subvar_at): Update for
12801 SFT_OFFSET/SFT_SIZE.
12802 (var_can_have_subvars): Ditto.
12803 (overlap_subvar): Ditto.
12804 * print-tree.c (print_node): Print out interesting things for
12806 * tree-flow.h (struct subvar): Remove offset and size members.
12807 * tree-ssa-operands.c (get_expr_operands): Update for
12808 get_indirect_ref_operands changes.
12809 (get_indirect_ref_operands): Call add_virtual_operand instead of
12810 add_stmt_operand. Only recurse on base var if requested.
12811 (access_can_touch_variable): New function.
12812 (add_stmt_operand): Split virtual operand handling into ...
12813 (add_virtual_operand): Here. Add offset, size, and for_clobber
12814 arguments. Prune alias sets.
12815 (add_call_clobber_ops): Call add_virtual_operand.
12817 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12819 PR middle-end/26300
12820 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12822 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12823 than TREE_CODE as index into omp_clause_num_ops array.
12825 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12827 PR rtl-optimization/26184
12828 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12830 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12831 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12832 must_precede, must_follow and tobe_scheduled.
12835 * opts.c (common_handle_option): Free new_option pointer.
12836 * df-core.c (df_analyze): Free postorder pointer.
12838 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12840 * Makefile.in: Fix the examples about the use of stamps
12842 2006-02-15 Michael Matz <matz@suse.de>
12844 PR middle-end/22275
12846 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12847 influenced by maximum_field_alignment or DECL_PACKED.
12848 (update_alignment_for_field): Ditto.
12849 (place_field): Ditto.
12850 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12853 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12855 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12856 (debug_flow_info): Pass it.
12857 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12858 * bb-reorder.c (reorder_basic_blocks): Likewise.
12859 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12860 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12861 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12862 * gcse.c (gcse_main, bypass_jumps): Likewise.
12863 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12864 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12865 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12866 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12867 * rtl.h (dump_flow_info): Adjust prototype.
12868 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12869 * var-tracking.c (variable_tracking_main): Likewise.
12870 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12871 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12874 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12876 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12879 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12881 PR tree-optimization/26209
12882 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12883 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12885 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12887 2006-02-14 Roger Sayle <roger@eyesopen.com>
12889 PR middle-end/23670
12890 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12891 (X,Y) and the corresponding symmetry related transformations.
12892 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12893 (X,Y) and its symmetry related transformations.
12895 2006-02-14 Roger Sayle <roger@eyesopen.com>
12897 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12900 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12902 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12904 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12907 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12908 support COMDAT group.
12909 * configure: Regenerate.
12911 2006-02-14 Roger Sayle <roger@eyesopen.com>
12913 PR middle-end/26279
12914 PR middle-end/26280
12915 PR middle-end/26283
12916 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12918 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12920 Fix PR tree-optimization/26260
12922 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12924 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12925 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12926 * tree-ssa-structalias.c (create_variable_info_for): Use
12927 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12929 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12931 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12933 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12934 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12935 of the ending condition.
12936 * tree-ssa-loop-manip.c: Include params.h.
12937 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12938 tree_unroll_loop): New functions.
12939 * tree-pass.h (pass_loop_prefetch): Declare.
12940 * loop.c (rest_of_handle_loop_optimize): Test for
12941 -fprefetch-loop-arrays-rtl.
12942 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12943 * timevar.def (TV_TREE_PREFETCH): New timevar.
12944 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12945 pass_loop_prefetch): New.
12946 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12947 (cleanup_tree_cfg_loop): Call scev_reset.
12948 * common.opt (fprefetch-loop-arrays-rtl): Add.
12949 * tree-ssa-loop-prefetch.c: New file.
12950 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12951 (new_temp_expr_table): Initialize expr_vars.
12952 (free_temp_expr_table): Cleanup expr_vars.
12953 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12954 expressions from being merged into one.
12955 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12956 (struct tree_niter_desc): Add control, bound and cmp fields.
12957 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12959 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12960 (tree-cfgcleanup.o): Add SCEV_H dependency.
12961 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12962 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12964 2006-02-14 Richard Guenther <rguenther@suse.de>
12966 PR tree-optimization/26258
12967 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12968 in PHI argument processing.
12970 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12972 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12973 new expression in the requested machine mode.
12975 2006-02-13 Roger Sayle <roger@eyesopen.com>
12977 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12978 directly, instead let do_compare_rtx_and_jump handle this for us.
12979 * expr.c (expand_expr_real_1): Likewise.
12980 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12981 before do_jump_by_parts_greater.
12982 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12983 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12985 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12987 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12989 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12991 PR rtl-optimization/26235
12992 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12993 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12996 2006-02-13 Jeff Law <law@redhat.com>
12998 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13001 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13003 PR middle-end/26092
13004 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13005 twice if decl is a builtin. When trying again, call get_callee_fndecl
13006 first to verify it is still a builtin.
13008 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13010 * dwarf2out.c (base_type_die): Don't add AT_name here.
13011 (subrange_type_die): Don't add AT_name here.
13012 (modified_type_die): Rearrange code flow. Do add AT_name here.
13014 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13016 PR rtl-optimization/26247
13017 PR rtl-optimization/26248
13018 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13020 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13022 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13023 * config/fixtfdi.c: Likewise.
13024 * config/fixunstfdi.c: Likewise.
13025 * config/floatditf.c: Likewise.
13027 2006-02-13 Roger Sayle <roger@eyesopen.com>
13029 PR middle-end/24427
13030 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13031 into (X,C2) if C1 is a subset of the bits of C2. Transform
13032 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13034 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13036 2006-02-13 Josh Conner <jconner@apple.com>
13039 * varasm.c (function_section): Check for section name before
13040 calling select_section on targets that define
13041 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13042 unlikely_text_section instead of hot_function_section if
13043 first_function_block_is_cold.
13045 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13047 PR middle-end/25335
13048 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13050 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13052 PR rtl-optimization/26222
13053 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13054 after tree->rtl expansion.
13055 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13056 before passing it to emit_move_insn.
13058 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13060 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13062 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13063 Clarify documentation.
13064 * c-common.h (warn_write_strings): Remove.
13065 * c-common.c (warn_write_strings): Likewise.
13066 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13069 2006-02-12 Roger Sayle <roger@eyesopen.com>
13071 PR middle-end/25724
13072 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13073 (do_jump_parts_zero_rtx): New function renamed from
13074 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13075 (do_jump_parts_equality_rtx): New function split out from
13076 do_jump_parts_equality. Old implementation renamed as above.
13077 Call do_jump_parts_zero_rtx if either operand is zero.
13078 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13079 do all of the heavy lifting.
13080 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13081 calling either do_jump_by_parts_greater_rtx or
13082 do_jump_by_parts_equality_rtx.
13083 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13084 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13085 moved to do_compare_rtx_and_jump, call it directly.
13086 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13087 mode argument. Call do_compare_rtx_and_jump.
13088 (emit_case_nodes): Update calls to do_jump_if_equal.
13090 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13092 PR rtl-optimization/26225
13093 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13095 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13097 PR rtl-optimization/26232
13098 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13100 2006-02-11 Jason Merrill <jason@redhat.com>
13103 * tree-inline.c (declare_return_variable): Just don't use the
13104 modify target if it's a gimple complex reg and the return slot
13107 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13109 * doc/contrib.texi: Update my entry.
13111 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13113 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13115 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13117 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13120 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13122 * doc/invoke.texi (-floop-optimize2): Removed.
13123 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13124 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13125 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13126 * common.opt (floop-optimize2): Removed.
13127 (fmove-loop-invariants): Enabled by default.
13129 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13131 * tree-if-conv.c (combine_blocks): Free the result of
13132 get_loop_exit_edges.
13134 2006-02-10 Jeff Law <law@redhat.com>
13136 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13138 PR tree-optimization/26213
13139 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13140 loop trying to follow SSA_NAME_VALUE chains.
13142 2006-02-10 Richard Guenther <rguenther@suse.de>
13144 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13145 deal with structures that end in implicitly variable sized arrays.
13147 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13149 PR rtl-optimization/24762
13150 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13153 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13155 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13156 (struct ivopts_data): Add regs_used field.
13157 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13158 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13159 instead of loop_data->regs_used;
13160 (free_loop_data): Do not free aux fields for loops.
13161 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13162 and tree_ssa_iv_optimize_finalize.
13164 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13166 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13168 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13171 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13172 computing the effective result type.
13174 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13176 PR inline-asm/16194
13177 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13178 (tree_overlaps_hard_reg_set): Declare.
13179 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13180 type and signature to match function type expected by walk_tree.
13181 (tree_overlaps_hard_reg_set): New function.
13182 (decl_conflicts_with_clobbers_p): Rename to:
13183 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13184 Use tree_overlaps_hard_reg_set. Changed caller.
13185 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13186 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13187 * cris.c (cris_md_asm_clobbers): Likewise.
13189 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13191 * reload1.c (emit_input_reload_insns): Delete code that tries to
13192 inherit using find_equiv_reg.
13194 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13196 * c-common.h (flag_const_strings): Don't declare.
13197 * c-common.c (flag_const_strings): Remove.
13198 * c.opt (fconst_strings): Remove.
13199 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13200 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13201 (c_common_init_options): Don't set flag_const_strings.
13202 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13204 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13206 * arm.md (tlobits_cbranch): New pattern.
13207 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13208 testing a single bit.
13210 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13213 * tree-ssa-pre.c (create_component_ref_by_pieces):
13214 Handle RETURN_DECL like VAR_DECL.
13216 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13218 PR middle-end/26134
13219 * fold-const.c (fold_indirect_ref_1): Fold
13220 "*(foo *)&complexfoo" to "__real__ complexfoo"
13221 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13223 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13225 * tree-flow-inline.h (var_can_have_subvars):
13226 Volatile variables should not have subvariables.
13228 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13231 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13232 multiplying unsigned values.
13235 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13237 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13239 2006-02-08 Jason Merrill <jason@redhat.com>
13242 * tree.def: Elaborate on difference from MODIFY_EXPR.
13243 * doc/c-tree.texi (INIT_EXPR): Likewise.
13244 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13245 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13246 (gimplify_target_expr): Likewise.
13247 (gimplify_cond_expr): Remove target handling.
13248 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13249 (gimplify_expr): Clobber it here.
13250 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13251 Do return slot optimization if we have an INIT_EXPR.
13254 * tree-inline.c (declare_return_variable): Also clear
13255 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13258 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13260 PR middle-end/22439
13261 * gimplify.c (gimplify_one_sizepos): Fix typo.
13263 2006-02-08 Jeff Law <law@redhat.com>
13265 PR tree-optimization/21417
13266 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13267 across a backedge if the control statement at the end of the
13268 block is data dependent on other statements in the same block.
13269 (record_temporary_equivalences_from_stmts): Remove over-conservative
13270 test for threading across backedges.
13272 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13273 control statement, handle all three special cases in the same
13274 manner as they all have the same desired solution. No longer
13275 special case edge flag updating when the post dominator is
13278 2006-02-08 Roger Sayle <roger@eyesopen.com>
13280 * tree.def (CHAR_TYPE): Remove.
13281 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13282 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13283 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13284 (gen_string_type_die): Delete unreachable function.
13286 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13287 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13288 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13289 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13290 * builtins.c (type_to_class): Likewise.
13291 * fold-const.c (fold_convert, build_range_check,
13292 merge_ranges): Likewise.
13293 * expr.c (count_type_elements): Likewise.
13294 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13295 * stor-layout.c (layout_type): Likewise.
13296 * ipa-type-escape.c (type_to_consider): Likewise.
13297 * gimplify.c (omp_firstprivatize_type_sizes,
13298 gimplify_type_sizes): Likewise.
13299 * explow.c (promote_mode): Likewise.
13300 * tree-sra.c (is_sra_scalar_type): Likewise.
13301 * varasm.c (output_constant): Likewise.
13302 * tree-inline.c (remap_type_1): Likewise.
13303 * convert.c (convert_to_pointer, convert_to_real,
13304 convert_to_integer, convert_to_complex): Likewise.
13306 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13308 * df-scan.c (df_def_record_1): A set destination may
13309 be a parallel regardless of mode.
13311 2006-02-08 Roger Sayle <roger@eyesopen.com>
13314 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13315 * config/mips/_tilib.c: Remove.
13316 * config/fixtfdi.c: New libgcc source file.
13317 * config/fixunstfdi.c: New source file.
13318 * config/floatditf.c: New source file.
13319 * config/floatunditf.c: New souce file.
13320 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13321 files above instead of config/mips/_tilib.c.
13322 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13324 2006-02-08 Jeff Law <law@redhat.com>
13326 PR tree-optimization/26169
13327 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13330 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13332 * df.h (DF_REG_SIZE): Return the length of the initialized
13335 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13337 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13338 __muldf3): Return a correctly signed zero.
13340 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13342 * passes.c (register_one_dump_file): Accept the current properties
13343 instead of pass number. Adjust call to dump_register. Remove
13345 (register_dump_files): Now a wrapper around...
13346 (register_dump_files_1): ... this one. Do not modify the pass
13348 (next_pass_1): Cosmetic fix.
13349 (execute_todo): Keep second parameter only. Use curr_properties
13350 instead of fetching it from the pass structure. Check and set
13352 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13353 instead of fetching it from the pass structure. Fix calls to
13354 execute_todo. Update curr_properties and initialize .vcg RTL dump
13355 after running the pass. Reset last_verified.
13356 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13358 (FIRST_AUTO_NUMBERED_DUMP): New.
13359 (dump_register): Remove "num" parameter, assign it within the
13361 (get_dump_file_name): Modify template for dumps.
13362 * tree-dump.h (dump_register): Adjust prototype.
13363 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13364 (PROP_trees): Add PROP_gimple_lomp.
13365 (TODO_set_props): New.
13366 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13367 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13368 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13370 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13372 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13373 (sparc64-*-linux*): Likewise.
13374 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13375 * config/sparc/t-linux: New file.
13376 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13377 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13378 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13379 -m32 -mlong-double-128.
13381 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13382 * config/alpha/t-linux: New file.
13383 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13385 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13386 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13387 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13388 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13389 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13390 (CPP_ARCH32_SPEC): Remove.
13392 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13394 PR tree-optimization/26145
13395 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13398 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13401 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13402 >= 240000 when generating code for SOM runtime.
13403 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13404 to $$dyncall when generating code for SOM runtime..
13406 2006-02-07 Dirk Mueller <dmueller@suse.com>
13409 * doc/invoke.texi (-Wsequence-point): Update documentation
13410 that -Wsequence-point is implemented for C++ as well.
13412 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13414 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13415 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13416 (LIB_SPEC): Likewise.
13417 * doc/invoke.texi (SPARC options): Document -pthread.
13419 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13421 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13424 2006-02-07 Roger Sayle <roger@eyesopen.com>
13426 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13427 Correct comment describing BOOLEAN_TYPE.
13429 2006-02-07 Dirk Mueller <dmueller@suse.com>
13431 * c.opt: C++ frontend supports -Wdiv-by-zero.
13432 * c-opts.c (c_common_handle_option): Remove dead case.
13434 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13436 * configure.ac (TLS assembler check): Do not enable TLS by
13437 default on SPARC/Solaris before version 10.
13438 * configure: Regenerate.
13440 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13442 * doc/invoke.texi (xl-compat): Document conversion and support
13445 2006-02-07 Jeff Law <law@redhat.com>
13447 * tree-vrp.c (find_conditional_asserts): Update comments.
13448 (simplify_stmt_for_jump_threading): New.
13449 (identify_jump_threads, finalize_jump_threads): New.
13450 (vrp_finalize): Call identify_jump_threads.
13451 (execute_vrp): Call finalize_jump_threads.
13452 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13453 (vrp_element, vrp_data, vrp_element_p): Remove.
13454 (vrp_hash_elt, vrp_variables_stack): Remove.
13455 (vrp_hash, vrp_eq, record_range): Remove.
13456 (simplify_cond_and_lookup_avail_expr): Remove.
13457 (extract_range_from_cond): Remove.
13458 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13459 (simplify_stmt_for_jump_threading): New.
13460 (dom_thread_across_edge): New wrapper.
13461 (tree_ssa_dominator_optimize): No longer initialize or
13462 finalize any of the VRP datastructures. Remove iteration
13463 step and simplify as a result of removal of iteration step.
13464 (pass_dominator): Perform a cfg cleanup after DOM.
13465 (dom_opt_finalize_block): Use the new common routines
13466 for threading jumps. Simplify stack management slightly.
13467 No longer need to unwind VRP state.
13468 (record_equivalences_from_incoming_edge): No longer record
13470 (eliminate_redundant_computations): No longer call
13471 simplify_cond_and_lookup_avail_expr.
13472 * tree-flow.h (potentially_threadable_block): Prototype.
13473 (thread_across_edge): Likewise.
13474 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13475 (tree-ssa-threadedge.o): Add dependencies.
13476 * tree-ssa-threadedge.c: New file.
13477 * passes.c (init_optimization_passes): Merge PHIs before
13478 calling VRP. Run VRP again late in the SSA optimization pipeline.
13480 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13482 * df-core.c (df_set_blocks): Do not dereference function pointers.
13483 (df_finish1): Likewise.
13484 (df_hybrid_search_forward): Likewise.
13485 (df_hybrid_search_backward): Likewise.
13486 (df_iterative_dataflow): Likewise.
13487 (df_analyze_problem): Likewise.
13488 (df_compact_blocks): Likewise.
13489 (df_dump): Likewise.
13490 * df-scan.c (df_rescan_blocks): Likewise.
13491 (df_record_entry_block_defs): Likewise.
13493 * genconditions.c (write_conditions): Guard the definition of
13494 'insn_conditions' with the check on GCC version.
13495 (write_writer): Guard the traversal 'insn_conditions' with
13496 the check on GCC version.
13498 2006-02-07 Richard Guenther <rguenther@suse.de>
13502 2006-01-30 Richard Guenther <rguenther@suse.de>
13504 * gimplify.c (gimplify_target_expr): Handle easy cases
13505 without creating a temporary.
13507 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13509 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13510 use of float in probability computations. Use edge probabilities
13511 in place of statically computed probabilities.
13512 (min_spec_prob): New static variable.
13513 (schedule_insns): Initialize it.
13514 (GET_SRC_PROB): Removed.
13515 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13517 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13520 * config/ia64/unwind-ia64.c: Revert last change.
13521 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13522 (INCOMING_FRAME_SP_OFFSET): Define.
13524 2006-02-06 Roger Sayle <roger@eyesopen.com>
13526 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13528 2006-02-07 Ben Elliston <bje@au.ibm.com>
13530 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13531 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13532 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13533 (ix86_return_in_memory): Handle TDmode.
13534 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13535 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13537 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13539 * reorg.c (dbr_schedule): Use dump_file instead of file.
13541 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13544 * config/ia64/predicates.md (extr_len_operand): New predicate.
13545 * config/ia64/ia64.md (extv): Tighten constraints.
13547 (*tbit_and_2): Ditto.
13548 (*tbit_and_3): Ditto.
13549 (*tbit_or_2): Ditto.
13550 (*tbit_or_3): Ditto.
13551 (*bit_zero): Ditto.
13554 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13557 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13559 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13561 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13562 loop_optimizer_init and loop_optimizer_finalize
13563 * tree-ssa-sink.c (execute_sink_code): Ditto.
13564 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13565 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13566 tree_ssa_loop_done): Ditto.
13567 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13568 * sched-ebb.c: Include output.h.
13569 (schedule_ebbs): Do not use dump argument.
13570 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13571 * loop.c (loop_dump_stream): Removed.
13572 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13574 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13575 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13576 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13577 loop_iterations, strength_reduce, record_biv, record_giv,
13578 final_giv_value, check_final_value, check_ext_dependent_givs,
13579 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13580 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13581 dump_file instead of loop_dump_stream.
13582 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13583 argument dump_file.
13584 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13586 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13587 * haifa-sched.c: Include output.h
13588 (schedule_insns, sched_init): Do not use dump argument.
13589 * mode-switching.c (optimize_mode_switching): Ditto.
13590 * modulo-sched.c (stats_file): Removed.
13591 (print_node_sched_params): Do not call argument dump_file.
13592 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13593 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13595 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13597 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13598 rtl_loop_init, rtl_loop_done): Ditto.
13599 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13600 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13602 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13603 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13604 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13605 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13606 * emit-rtl.c (renumber_insns): Ditto.
13607 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13608 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13609 * regclass.c (regclass): Ditto.
13610 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13611 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13612 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13613 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13615 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13616 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13618 * gcse.c (gcse_file, debug_stderr): Removed.
13619 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13620 rest_of_handle_gcse): Do not use dump argument.
13621 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13622 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13623 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13624 compute_code_hoist_vbeinout, compute_code_hoist_data,
13625 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13626 compute_store_table, build_store_vectors, insert_insn_start_bb,
13627 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13628 store_motion): Use dump_file instead of gcse_file.
13629 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13630 * profile.c (profile_dump_file): Removed.
13631 (branch_prob): Use dump_file instead of profile_dump_file.
13632 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13634 * tree-ssa-copy.c (dump_copy_of): Ditto.
13635 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13636 dump file to life_analysis.
13637 * bt-load.c (branch_target_load_optimize): Ditto.
13638 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13640 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13641 regclass, dbr_schedule): Declaration changed.
13642 * sched-int.h (sched_init): Declaration changed.
13643 * tree-profile.c (tree_profile_dump_file): Removed.
13644 (tree_profile_hooks): Removed profile_dump_file hook.
13645 * rtl-profile (rtl_profile_dump_file): Removed.
13646 (rtl_profile_hooks): emoved profile_dump_file hook.
13647 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13649 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13650 * tree-cfg.c (build_tree_cfg): Ditto.
13651 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13652 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13653 Declaration changed.
13654 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13655 life_analysis and schedule_insns.
13656 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13658 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13660 * config/mips/mips.c (mips_reorg): Ditto.
13661 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13664 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13666 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13667 (s390_mangle_fundamental_type): New.
13668 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13671 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13672 (alpha_mangle_fundamental_type): New.
13673 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13676 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13678 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13680 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13681 (sparc_mangle_fundamental_type): New.
13683 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13685 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13686 (s390x-*-linux*): Likewise.
13687 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13688 * config/s390/t-linux: New file.
13690 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13692 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13693 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13695 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13697 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13698 (ANTIC_SAFE_LOADS): New macro.
13699 (find_or_generate_expression): Add prototype.
13700 (set_contains_value): Allow null set for sake of not always having
13701 to allocate ANTIC_SAFE_LOADS.
13702 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13703 Allow COMPONENT_REF too.
13704 (valid_in_set): Allow COMPONENT_REF.
13705 Check ANTIC_SAFE_LOADS too.
13706 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13707 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13709 (can_PRE_operation): Add COMPONENT_REF.
13710 (create_component_ref_by_pieces): New function.
13711 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13712 (insert_aux): Move AGGREGATE_TYPE_P check here.
13713 (compute_avail): Set bb local stmt uids.
13714 (pass_pre): Use TODO_update_ssa_only_virtuals.
13716 2006-02-06 Ben Elliston <bje@au.ibm.com>
13718 * configure.ac: Unconditionally disable decimal float by default.
13719 * configure: Regenerate.
13721 2006-02-06 Ben Elliston <bje@au.ibm.com>
13723 * read-rtl.c (read_name): Terminate reading on EOF.
13725 2006-02-06 Ben Elliston <bje@au.ibm.com>
13727 * dfp.c (decimal_real_arithmetic): Change second argument type
13728 from int to enum tree_code. Do not always return true, but now
13729 return result of any call to decimal_do helper functions.
13730 * dfp.h (decimal_real_arithmetic): Update prototype.
13732 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13734 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13736 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13739 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13742 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13744 * tree-vrp.c (cfg_loops): Removed.
13745 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13746 Use current_loops instead of cfg_loops. Pass flags to
13747 loop_optimizer_init.
13748 * cfgloopmanip.c (fix_loop_structure): Update only available
13750 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13751 loop_optimizer_init.
13752 * modulo-sched.c (build_loops_structure): Removed.
13753 (sms_schedule): Use loop_optimizer_init.
13754 * loop-init.c (loop_optimizer_init): Use flags to determine
13755 which properties of loops to prepare.
13756 (rtl_loop_init): Pass flags to loop_optimizer_init.
13757 * tree-ssa-sink.c (execute_sink_code): Ditto.
13758 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13759 * tree-ssa-pre.c (init_pre): Ditto.
13760 * cfgloop.h (LOOPS_NORMAL): New.
13761 (loop_optimizer_init): Declaration changed.
13763 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13765 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13766 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13768 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13770 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13772 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13773 * pa/t-pa64: Delete quadlib.c rule.
13774 * pa/x-ada: Revert last change.
13775 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13777 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13779 PR rtl-optimization/26087
13780 * rtlanal.c (canonicalize_condition): Do not cross basic block
13783 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13786 * config/ia64/ia64.c: Include debug.h.
13787 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13788 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13789 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13790 (process_epilogue, process_set, process_for_unwind_directive):
13791 Output unwind info only if requested. Add CFA info if requested.
13792 Add new arguments as needed. Adjust callers.
13793 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13795 (DWARF2_FRAME_INFO): Define to zero.
13796 * config/ia64/unwind-ia64.c: Remove code that compensated for
13797 the CFA offset error fixed above.
13798 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13799 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13800 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13801 -funwind-tables and -fexceptions to enable frame info.
13802 (dwarf2out_frame_init): Define initial CFA even if
13803 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13804 DWARF2_UNWIND_INFO is nonzero, not just defined.
13805 (dwarf2out_frame_finish): Output non-EH call frame info only
13806 if DWARF2_FRAME_INFO is nonzero.
13807 (convert_cfa_to_loc_list,
13808 compute_frame_pointer_to_cfa_displacement): Define even if
13809 unwind info is not supported.
13810 (gen_subprogram_die): Use the above unconditionally. Remove
13811 legacy alternate code.
13812 * toplev.c (compile_file): Compile in call to
13813 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13814 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13816 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13817 Jakub Jelinek <jakub@redhat.com>
13819 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13820 IBM extended float format long double as "g" on powerpc*-linux.
13822 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13825 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13826 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13828 2006-02-03 Jason Merrill <jason@redhat.com>
13831 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13833 PR middle-end/25977
13834 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13835 on the return slot if it's an NRV.
13837 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13839 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13840 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13841 rewrite_use): Do not handle USE_OUTER.
13842 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13843 add_iv_outer_candidates, may_replace_final_value,
13844 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13845 (find_interesting_uses_op): Functionality of
13846 find_interesting_uses_outer_or_nonlin moved here.
13847 (find_interesting_uses_outside): Use find_interesting_uses_op.
13849 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13852 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13854 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13855 Ulrich Weigand <uweigand@de.ibm.com>
13858 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13859 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13860 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13861 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13863 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13864 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13865 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13866 Define secondary reloads for TFmode moves.
13867 (constant_modes): Add TFmode.
13868 (NR_C_MODES): Set to 8.
13869 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13871 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13872 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13873 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13874 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13875 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13876 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13877 (FPR mode macro): Add TFmode.
13878 (DSF mode macro): New.
13879 (<de>, <dee> mode attributes): Removed.
13880 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13881 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13882 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13883 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13884 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13885 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13886 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13887 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13888 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13889 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13890 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13891 "*negabs<mode>2", "sqrt<mode>2"):
13892 Changed <de> to <xde>. R constraint replaced by <Rf>.
13893 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13895 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13896 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13897 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13899 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13900 "extenddftf2", "extendsftf2"): New expanders.
13901 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13902 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13903 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13904 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13906 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13907 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13908 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13909 __floatditf): Add a GCC_4.1.0 symbol version tag.
13910 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13913 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13916 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13917 Use targetm.binds_local_p instead of TREE_PUBLIC.
13919 2006-02-02 Roger Sayle <roger@eyesopen.com>
13921 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13922 on INTEGER_TYPEs to indicate that it denotes a character type.
13923 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13924 signed_char_type_node, unsigned_char_type_node and char_type_node.
13925 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13926 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13927 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13929 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13930 Daniel Berlin <dberlin@dberlin.org>
13932 * tree-tailcall.c (arg_needs_copy_p): New function.
13933 (eliminate_tail_call): Use arg_needs_copy_p.
13934 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13935 (add_virtual_phis): New function.
13937 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13939 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13940 #ignore instead of #scratch for %g7 .register directive.
13942 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13944 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13947 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13949 * flow.c (calculate_global_regs_live): Assert that there aren't any
13952 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13954 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13955 what its name says.
13956 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13957 bsi_after_labels iterator.
13958 * tree-if-conv.c (find_phi_replacement_condition,
13959 replace_phi_with_cond_modify_expr): Likewise.
13960 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13961 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13963 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13965 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13967 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13970 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13971 array after growing it.
13973 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13975 PR middle-end/24901
13976 * fold-const.c (fold_checksum_tree): Change type of buf.
13978 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13980 * reload.c (push_secondary_reload): Initialize t_icode.
13982 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13984 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13985 -msoft-float -mlong-double-128 only issue a warning, but don't
13986 swich to DFmode long double.
13988 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13990 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13991 has a constant equivalent, iterate over equivalents for arg0,
13992 calling simplify_relational_operation and if there's a result
13993 cheaper than X, apply fold_rtx and return the result.
13995 2006-02-01 Jan Hubicka <jh@suse.cz>
13997 * opts.c (no_unit_at_a_time_default): New global variable.
13998 (decode_options): Use it.
13999 * opts.h (no_unit_at_a_time_default): Declare.
14001 2006-02-01 Paul Brook <paul@codesourcery.com>
14003 * function.c (assign_parm_setup_reg): Use function argument promotion
14005 * expr.c (expand_expr_real_1): Use function argument promotion rules
14008 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14010 * gcc.c (process_command): Change j to 'unsigned int'.
14012 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14014 PR middle-end/26001
14015 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14016 Use the corrected index for the character
14017 out of the string constant.
14019 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14021 * mode-switching.c (optimize_mode_switching): Fix size
14022 allocated for bb_info[n_entities].
14024 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14026 * gcc.c (main): Correct type that is allocated for
14027 explicit_link_files.
14029 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14031 * config/s390/s390.c (init_alignment_context): Set
14032 ALIAS_SET_MEMORY_BARRIER on the MEM.
14033 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14035 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14037 PR middle-end/25933
14038 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14040 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14043 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14045 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14046 * regrename.c: Ditto.
14047 * tree-ssa-loop-im.c: Ditto.
14048 * tree-dump.c: Ditto.
14049 * tree-complex.c: Ditto.
14050 * genrecog.c: Ditto.
14051 * tree-ssa-threadupdate.c: Ditto.
14053 * java/class.c: Ditto.
14054 * java/jcf-parse.c: Ditto.
14055 * java/resource.c: Ditto.
14056 * java/except.c: Ditto.
14057 * java/jvspec.c: Ditto.
14058 * java/jcf-write.c: Ditto.
14059 * java/jcf-path.c: Ditto.
14060 * java/gjavah.c: Ditto.
14061 * java/zextract.c: Ditto.
14062 * java/jcf-io.c: Ditto.
14063 * java/jcf.h: Ditto.
14064 * java/buffer.c: Ditto.
14065 * java/lang.c: Ditto.
14066 * java/parse-scan.y: Ditto.
14067 * java/lex.c: Ditto.
14068 * java/lex.h: Ditto.
14069 * cfgloopmanip.c: Ditto.
14070 * postreload-gcse.c: Ditto.
14071 * tree-ssa-loop-manip.c: Ditto.
14072 * postreload.c: Ditto.
14073 * tree-ssa-loop-ch.c: Ditto.
14076 * cppspec.c: Ditto.
14077 * diagnostic.c: Ditto.
14079 * genoutput.c: Ditto.
14081 * cfghooks.c: Ditto.
14082 * cfgloopanal.c: Ditto.
14083 * objc/objc-act.c: Ditto.
14085 * genextract.c: Ditto.
14086 * genautomata.c: Ditto.
14087 * pretty-print.c: Ditto.
14088 * genemit.c: Ditto.
14089 * cgraphunit.c: Ditto.
14091 * df-scan.c: Ditto.
14092 * haifa-sched.c: Ditto.
14093 * dominance.c: Ditto.
14095 * tree-ssa-loop-ivopts.c: Ditto.
14096 * df-core.c: Ditto.
14097 * mode-switching.c: Ditto.
14098 * modulo-sched.c: Ditto.
14100 * ipa-pure-const.c: Ditto.
14102 * fix-header.c: Ditto.
14104 * tree-stdarg.c: Ditto.
14105 * ipa-utils.c: Ditto.
14106 * loop-init.c: Ditto.
14107 * ipa-inline.c: Ditto.
14108 * cfganal.c: Ditto.
14110 * alloc-pool.c: Ditto.
14111 * dwarf2out.c: Ditto.
14113 * genattrtab.c: Ditto.
14114 * tree-ssa-loop-ivcanon.c: Ditto.
14115 * predict.c: Ditto.
14116 * timevar.c: Ditto.
14118 * fortran/gfortranspec.c: Ditto.
14119 * regmove.c: Ditto.
14120 * local-alloc.c: Ditto.
14121 * langhooks.c: Ditto.
14122 * function.c: Ditto.
14123 * tree-vectorizer.c: Ditto.
14125 * ipa-type-escape.c: Ditto.
14127 * tree-if-conv.c: Ditto.
14128 * profile.c: Ditto.
14130 * tree-data-ref.c: Ditto.
14131 * loop-unroll.c: Ditto.
14132 * treelang/treetree.c: Ditto.
14134 * bt-load.c: Ditto.
14135 * ggc-common.c: Ditto.
14137 * coverage.c: Ditto.
14139 * tree-cfgcleanup.c: Ditto.
14140 * tree-ssa-pre.c: Ditto.
14141 * cfgcleanup.c: Ditto.
14142 * loop-invariant.c: Ditto.
14143 * loop-iv.c: Ditto.
14144 * ipa-prop.c: Ditto.
14145 * print-tree.c: Ditto.
14146 * conflict.c: Ditto.
14147 * ggc-page.c: Ditto.
14148 * sched-deps.c: Ditto.
14149 * regclass.c: Ditto.
14150 * tree-object-size.c: Ditto.
14151 * combine.c: Ditto.
14152 * bb-reorder.c: Ditto.
14153 * resource.c: Ditto.
14154 * var-tracking.c: Ditto.
14155 * cfgloop.c: Ditto.
14156 * df-problems.c: Ditto.
14157 * reg-stack.c: Ditto.
14159 * gccspec.c: Ditto.
14160 * sched-rgn.c: Ditto.
14161 * tree-ssa-structalias.c: Ditto.
14162 * tree-ssa-reassoc.c: Ditto.
14163 * config/darwin-c.c: Ditto.
14164 * config/darwin.c: Ditto.
14165 * config/arm/arm.c: Ditto.
14167 * collect2.c: Ditto.
14168 * reload1.c: Ditto.
14170 2006-01-31 Nicolas Pitre <nico@cam.org>
14172 * arm.md (smaxsi3): Make aware of smax_m1.
14175 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14177 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14179 2006-01-31 Richard Guenther <rguenther@suse.de>
14181 * doc/invoke.texi (-msselibm): Document.
14182 * target.h (expand_library_builtin): New target hook.
14183 * builtins.c (expand_builtin): Use expand_library_builtin.
14184 (default_expand_library_builtin): New function.
14185 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14186 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14187 (link_gcc_math_spec): Declare.
14188 (static_specs): Add link_gcc_math_spec.
14189 * expr.h (default_expand_library_builtin): Declare.
14190 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14191 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14192 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14193 * config/i386/i386.opt (msselibm): New target option.
14194 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14195 (ix86_init_sse_abi_builtins): New function.
14196 (ix86_expand_library_builtin): Likewise.
14197 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14198 (override_options): Handle error conditions wrt -msselibm.
14199 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14200 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14201 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14204 2006-01-31 Richard Guenther <rguenther@suse.de>
14205 Paolo Bonzini <bonzini@gnu.org>
14207 * doc/install.texi (--disable-libgcc-math): Document.
14209 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14211 * expr.h (expand_normal): new inline function.
14212 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14213 * dojump.c: use it.
14214 * dwarf2out.c: use it.
14217 * expmed.c: use it.
14218 * except.c: use it.
14219 * config/sparc/sparc.c: use it.
14220 * config/i386/i386.c: use it.
14221 * config/rs6000/rs6000.c: use it.
14222 * config/arm/arm.c: use it.
14223 * config/mips/mips.c: use it.
14224 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14226 2006-01-30 Roger Sayle <roger@eyesopen.com>
14228 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14229 argv to the appropriate type.
14231 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14233 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14236 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14239 * config/s390/s390.c (struct machine_function): New flag
14240 decomposed_literal_pool_addresses_ok_p.
14241 (s390_reorg): Set it before final stage of literal pool transforms.
14242 (s390_decompose_address): Only accept displacements of the form
14243 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14245 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14247 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14248 the comparison routine return.
14250 2006-01-30 Michael Matz <matz@suse.de>
14252 * global.c (find_reg): Only evict for global regs.
14253 Take n_refs into account and dump more info.
14255 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14258 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14259 (pragma_trap, pragma_nosave_low_regs): Likewise.
14260 (current_function_anonymous_args): Likewise.
14261 (sh_deferred_function_attributes): New variable.
14262 (sh_deferred_function_attributes_tail): Likewise.
14263 (print_operand): For '@', look up trap_exit attribute.
14264 (calc_live_regs): Look up trapa_handler attribute. For trapa
14265 handlers, save/restore fpscr, but don't do any other
14266 interrupt-specific saves.
14267 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14268 Fix check for partially saved registers to check for SHmedia.
14269 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14270 (sh_output_function_epilogue): Don't clear any of the removed
14272 (sh_insert_attributes): Don't check pragma_interrupt.
14273 Insert deferred attributes. Check that interrupt attribute is
14274 present for other attributes that require its presence.
14275 (sh_attribute_table): Add new attributes trapa_handler and
14277 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14278 Don't check for pragma_interrupt. Don't store argument.
14279 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14280 (sh_deferred_function_attributes): Declare.
14281 (sh_deferred_function_attributes_tail): Likewise.
14282 * sh.md (sp_switch_1): Add operand. Change generator caller.
14283 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14284 (*return_i): Don't use when trap_exit attribute is in effect.
14285 (*return_trapa): New insn pattern.
14286 * sh-c.c: New file.
14287 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14288 setting c_target_objs and cxx_target_objs.
14289 * t-sh: Add rule for sh-c.o.
14291 2006-01-30 Richard Guenther <rguenther@suse.de>
14294 * gimplify.c (gimplify_target_expr): Handle easy cases
14295 without creating a temporary.
14297 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14299 * vec.h (safe_grow): Remove duplicated line.
14301 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14304 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14305 (expand_omp): ... here.
14306 (expand_omp_parallel): Only remove barriers for combined
14307 parallel+workshare constructs.
14309 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14313 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14314 * tree.c (build_qualified_type): Chain the new type to the original
14315 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14316 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14317 (build_pointer_type_for_mode): Only return unqualified types.
14318 (build_reference_type_for_mode): Likewise.
14320 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14322 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14323 * Makefile.in (CXX_COMPAT_WARN): Define.
14324 * configure: Regenerate.
14326 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14329 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14332 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14334 * toplev.c: Fix thinko.
14336 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14337 Marcin Dalecki <martin@dalecki.de>
14339 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14340 (push_srcloc): Use XNEW.
14341 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14343 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14345 * df-core.c (df_set_blocks): Deleted all variable.
14347 2006-01-28 Ian Lance Taylor <ian@airs.com>
14349 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14350 cgraph_output_pending_asms.
14352 2006-01-28 Zack Weinberg <zackw@panix.com>
14354 * c.opt: Add -W(no-)overlength-strings.
14355 * doc/invoke.texi: Document it.
14356 * c-opts.c (c_common_handle_option): -pedantic implies
14357 -Woverlength-strings, if not explicitly disabled already.
14358 (c_common_post_options): -Woverlength-strings defaults to off, and
14359 is always off for C++.
14360 * c-common.c (fix_string_type): Issue warning about strings longer
14361 than is portable only if warn_overlength_strings. Rearrange code
14362 a little for clarity.
14363 * configure.in: Check for -Wno-overlength-strings as well before
14364 enabling -pedantic in stage 1.
14365 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14366 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14368 * genconditions.c (write_header, write_one_condition)
14369 (write_conditions, write_writer): Consolidate very long strings
14370 that were broken up to fit in C89 portable limit. Don't use
14371 printf when fputs will do.
14373 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14375 * combine.c (simplify_comparison <AND>): Check
14376 TRULY_NOOP_TRUNCATION before start using a subreg.
14378 * config/mips/mips.md (*branch_zero<mode>,
14379 *branch_zero<mode>_inverted, *branch_equality<mode>,
14380 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14381 Remove mode check from comparisons.
14383 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14385 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14387 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14389 * expmed.c (const_mult_add_overflow_p): Remove.
14390 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14392 * recog.c (validate_replace_rtx_subexp): Remove.
14393 * recog.h: Remove the prototype for
14394 validate_replace_rtx_subexp.
14396 * integrate.h: Remove the prototype for
14397 copy_decl_for_inlining.
14398 * rtl.h: Remove the prototype for mark_constant_function.
14399 * tree-vectorizer.h: Remove the prototype for
14400 vect_strip_conversion.
14402 * modulo-sched.c (create_partial_schedule,
14403 free_partial_schedule, reset_partial_schedule): Make them
14406 * hooks.c (hook_bool_rtx_int_false): Remove.
14407 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14409 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14411 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14412 and -mlong-double-128 are incompatible.
14413 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14414 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14415 (TARGET_LIBGCC2_CFLAGS): Define.
14416 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14417 (TARGET_LIBGCC2_CFLAGS): Same.
14418 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14420 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14423 * c-typeck.c (build_binary_op): Perform implicit casts of
14424 operands before shortening them.
14426 * cfgloopmanip.c (split_loop_bb): Remove.
14427 * cfgloop.h: Remove the prototype for split_loop_bb.
14429 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14430 * cfgloop.h: Remove the prototype for
14431 flow_loop_outside_edge_p.
14433 * emit-rtl.c (init_virtual_regs): Make it static.
14434 * function.h: Remove the prototype for init_virtual_regs.
14436 * recog.c (peephole2_optimize): Make it static.
14437 * recog.h: Remove the prototype for peephole2_optimize.
14439 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14441 * df-scan.c (df_record_entry_block_defs): Check if
14442 INCOMING_RETURN_ADDR_RTX is defined.
14444 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14445 Kenneth Zadeck <zadeck@naturalbridge.com>
14447 PR rtl-optimization/24762
14448 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14449 * targhooks.c (hook_void_bitmap): New hook prototype.
14450 * targhoohs.h (hook_void_bitmap): Ditto.
14451 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14452 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14453 * target.h (live_on_entry): New function pointer.
14454 * df-scan.c (df_all_hard_regs): Removed.
14455 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14456 (df_scan_free_internal): Added df->entry_block_defs.
14457 (df_scan_alloc): Ditto.
14458 (df_scan_dump): Ditto.
14459 (df_uses_record): Plumbed flag field properly thru calls.
14460 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14461 This part fixes PR24762.
14462 (df_bb_refs_record): Added code to make the frame and arg
14463 pointers live in EH blocks.
14464 (df_refs_record): Added call to df_record_entry_block_defs.
14465 (df_record_entry_block_defs): New function.
14466 * df-core.c: Added comments to describe new artifical defs.
14467 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14468 (entry_block_defs): New field in struct df.
14469 (df_all_hard_regs): Deleted.
14470 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14471 * df-problems.c (df_ru_bb_local_compute_process_def):
14472 Added code to handle artifical defs in the entry to a function.
14473 (df_ru_bb_local_compute): Ditto.
14474 (df_rd_bb_local_compute_process_def): Ditto.
14475 (df_rd_bb_local_compute): Ditto.
14476 (df_lr_bb_local_compute): Ditto.
14477 (df_ur_bb_local_compute): Ditto.
14478 (df_urec_bb_local_compute): Ditto.
14479 (df_chain_create_bb): Ditto.
14480 (df_ur_local_finalize): Removed entry.
14481 (df_urec_init): Ditto.
14482 (df_urec_local_finalize): Ditto.
14483 (df_ri_bb_compute): Added detection of last use of pseudos.
14484 * Makefile.in (df-scan.o): Updated dependencies.
14485 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14486 * config/mips/mips.c (mips_set_live_on_entry): Added.
14487 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14489 * dce.c (marked_insn_p): Added code to handle artifical defs.
14491 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14493 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14495 (_mm_cvtsi128_si64): Likewise.
14496 (_mm_cvtsd_si64): Likewise.
14497 (_mm_cvttsd_si64): Likewise.
14498 (_mm_cvtsi64_sd): Likewise.
14499 (_mm_cvtsi64_si128): Likewise.
14500 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14501 (_mm_cvtsi64_m64): Likewise.
14502 (_m_to_int64): Likewise.
14503 (_mm_cvtm64_si64): Likewise.
14504 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14505 (_mm_cvttss_si64): Likewise.
14506 (_mm_cvtsi64_ss): Likewise.
14507 (_mm_cvtss_f32): Likewise.
14509 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14511 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14512 for pragma redefine_extname.
14514 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14517 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14518 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14519 -mno-minimal-toc to previous content.
14520 (bispecs): Remove goal.
14521 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14522 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14523 compatibility aliases on powerpc-*-*gnu*.
14524 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14525 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14526 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14527 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14528 (ldblspecs): New goal.
14529 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14530 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14532 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14533 L_sf_to_tf or L_df_to_tf is defined.
14535 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14536 Alan Modra <amodra@bigpond.net.au>
14539 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14540 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14541 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14542 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14543 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14544 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14545 (rs6000_override_options): Initialize rs6000_ieeequad.
14546 Initialize TFmode format to ibm_extended_format if not
14548 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14550 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14551 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14552 (function_arg_advance): IBM long double passed in two FPRs, not
14554 (function_arg): IBM long double passed in FPRs.
14555 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14556 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14557 Only multireg GPR aligned.
14558 (rs6000_init_libfuncs): Enable IBM long double functions if not
14560 (rs6000_generate_compare): Use IBM long double compare if not
14562 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14563 (TARGET_IEEEQUAD): Define.
14564 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14565 not TARGET_IEEEQUAD.
14566 * config/rs6000/rs6000.md: Enable TFmode patterns if
14568 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14569 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14570 and -mlong-double-128 are incompatible.
14571 * doc/invoke.texi (-mabi): Collect options together. Add
14572 ibmlongdouble and ieeelongdouble.
14574 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14576 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14578 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14579 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14580 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14581 * rtl.h (rtunion_def): Remove rt_ptr.
14583 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14584 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14585 * config/i386/winnt.c (i386_pe_mark_dllexport)
14586 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14588 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14590 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14592 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14596 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14597 pthread_key_delete. From John David Anglin. gthrw-ify
14598 pthread_getunique_np only if it it's not a macro. Delete
14600 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14601 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14602 __gthread_objc_condition_signal, __gthread_key_delete): Add
14603 "__attribute__ ((__unused__))" to unused arguments.
14604 (__gthread_recursive_mutex_init_function): Add missing return.
14605 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14606 gthr-posix95.h: Use macro-based approach for name redirection
14607 on targets missing weakref.
14609 2006-01-26 Zack Weinberg <zackw@panix.com>
14611 * genconditions.c (write_header): In generated code, #ifdef out
14612 all includes and fake declarations, except includes of bconfig.h
14613 and system.h, unless GCC_VERSION >= 3001. Do not include
14614 gensupport.h in any case.
14615 (write_conditions): Generate a definition of struct c_test. Add
14616 a comment to the generated #endif.
14617 (write_one_condition): Escape backslashes in string too.
14618 (write_writer): Generated code must escape backslashes and quote
14619 marks (but not newlines) in the strings it writes.
14620 * Makefile.in (build/gencondmd.o): Update dependencies.
14622 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14625 * Makefile.in (insn-automata.o): Add header file dependencies.
14626 * genautomata.c: Add includes.
14628 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14631 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14633 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14635 * configure.ac: Expect target tools paths to be passed from the toplevel
14636 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14638 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14640 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14643 * c.opt (Wpointer-sign): Init to -1.
14644 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14645 OPT_pedantic, to 0 otherwise.
14646 * doc/invoke.texi: Update.
14648 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14650 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14651 constants provided by 80387 instructions in the destination mode.
14653 2006-01-26 Richard Guenther <rguenther@suse.de>
14654 Andrew Pinski <pinskia@physics.uc.edu>
14657 partial PR tree-opt/17064
14658 * tree-ssa-structalias.c (intra_create_variable_infos):
14659 Create heap variables for incoming parameters if
14660 flag_argument_noalias > 1.
14661 (find_what_p_points_to): Look through default defs of
14664 2006-01-26 Jeff Law <law@redhat.com>
14667 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14668 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14669 within the VR_RANGE, use the VR_RANGE as the result, not the
14671 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14672 bounds for the type.
14674 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14676 * tree-ssa-alias.c (maybe_create_global_var): Change
14677 subvar walking to an assertion that we don't have subvar'd variables.
14679 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14682 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14683 Use a new variable, inner. PARM_DECLs are always non-weak.
14685 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14687 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14688 --disable-checking.
14690 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14692 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14694 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14696 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14697 (smax_insn, smin_insn, smax_0, smin_0): New.
14699 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14702 * config/cris/cris.c (cris_order_for_addsi3): New function.
14703 * config/cris/cris-protos.h: Prototype it.
14704 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14705 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14706 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14707 (split for "op.S1 [rx=rx+i],ry (swapped)")
14708 (split for "op(s|u).S1 [rx=rx+i],ry")
14709 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14710 Apply cris_order_for_addsi3 when generating addsi3 insns.
14712 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14714 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14715 (TREE_BLOCK): Add call to EXPR_CHECK.
14717 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14720 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14721 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14722 (dump_omp_clauses): ... here.
14723 (dump_generic_node): Handle OMP_CLAUSE.
14724 * tree.c (omp_clause_num_ops): New.
14725 (omp_clause_code_name): New.
14726 (tree_code_size): Handle OMP_CLAUSE.
14727 (tree_size): Likewise.
14728 (make_node): Document handling of OMP_CLAUSE.
14729 (tree_node_structure): Handle OMP_CLAUSE.
14730 (omp_clause_check_failed): New.
14731 (omp_clause_range_check_failed): New.
14732 (omp_clause_operand_check_failed): New.
14733 (build_omp_clause): New.
14734 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14735 * tree.h (enum omp_clause_code): Declare.
14736 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14737 (OMP_CLAUSE_RANGE_CHECK): Define.
14738 (OMP_CLAUSE_ELT_CHECK): Define.
14739 (omp_clause_check_failed): Declare.
14740 (omp_clause_operand_check_failed): Declare.
14741 (omp_clause_range_check_failed): Declare.
14742 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14743 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14744 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14745 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14746 (OMP_CLAUSE_IF_EXPR): Likewise.
14747 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14748 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14749 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14750 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14751 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14752 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14753 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14754 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14755 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14756 (OMP_CLAUSE_CODE): Define.
14757 (OMP_CLAUSE_SET_CODE): Define.
14758 (OMP_CLAUSE_CODE): Define.
14759 (OMP_CLAUSE_OPERAND): Define.
14760 (struct tree_omp_clause): Declare.
14761 (union tree_node): Add field 'omp_clause'.
14762 * treestruct.def (TS_OMP_CLAUSE): Define.
14763 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14764 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14765 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14766 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14767 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14768 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14769 (OMP_CLAUSE): Define.
14770 * print-tree.c (print_node): Handle OMP_CLAUSE.
14771 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14772 * c-typeck.c: Likewise.
14773 * gimplify.c: Likewise.
14774 * c-omp.c: Likewise.
14775 * tree-nested.c: Likewise.
14776 * tree-inline.c: Likewise.
14777 * c-parser.c: Likewise.
14778 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14781 2006-01-25 Roger Sayle <roger@eyesopen.com>
14783 PR rtl-optimization/25703
14784 * combine.c (try_combine): Handle zero_extract and strict_low_part
14785 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14787 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14789 * global.c: Fix comment typos.
14791 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14794 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14795 Use output_addr_const instead of assemble_name.
14797 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14799 * Makefile.in (sched-vis.o): Update dependencies.
14800 * haifa-sched.c (sched_finish): Clear current_sched_info.
14801 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14802 (dump_flow_info): Call it.
14803 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14805 * basic-block.h (dump_bb_info): Declare.
14806 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14807 option, and apply options only for dump files whose TDF_RTL,
14808 TDF_TREE, or TDF_IPA bits match.
14809 * rtl.h: Declare new functions exported from sched-vis.c.
14810 * sched-vis.c: Enable also if scheduling is not used.
14811 (print_value): Print the mode of registers if not inside scheduling.
14812 (print_insn): Make it work outside the scheduler. Beautify the output
14814 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14816 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14818 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14819 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14820 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14821 depending on the value of CONSTANT_POOL_ADDRESS_P.
14822 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14824 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14825 rather than SYMBOL_REF_DECL.
14826 (rtx_constant_pool): Remove const_rtx_sym_htab.
14827 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14828 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14829 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14830 Remove handling of const_rtx_sym_htab.
14831 (find_pool_constant): Delete.
14832 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14833 rather than find_pool_constant.
14834 (get_pool_constant_for_function): Delete.
14835 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14836 find_pool_constant.
14837 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14838 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14839 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14840 (SYMBOL_REF_CONSTANT): New macro.
14841 (get_pool_constant_for_function): Delete.
14842 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14843 rather than SYMBOL_REF_DECL.
14844 (i386_pe_mark_dllimport): Likewise.
14845 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14846 rather than SYMBOL_REF_DECL.
14847 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14848 (machopic_indirect_call_target): Likewise.
14850 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14852 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14854 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14856 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14858 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14860 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14862 2006-01-24 David Daney <ddaney@avtrex.com>
14865 * configure.ac (enable_tls): New enable option.
14866 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14867 * configure: Regenerate.
14868 * doc/install.texi (--enable-tls): Document new option.
14869 (--disable-tls): Ditto.
14871 2006-01-24 Richard Henderson <rth@redehat.com>
14873 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14874 * alias.c (true_dependence): Respect it.
14875 (canon_true_dependence, write_dependence_p): Likewise.
14876 * builtins.c (get_builtin_sync_mem): Set it.
14878 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14880 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14883 2006-01-24 DJ Delorie <dj@redhat.com>
14885 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14886 for storing constants in single-bit bitfields.
14888 2006-01-25 Ben Elliston <bje@au.ibm.com>
14890 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14892 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14895 * tree-ssa-pre.c (phi_translate): Return NULL
14896 for AGGREGATE_TYPE's.
14898 2006-01-24 Zack Weinberg <zackw@panix.com>
14900 * genautomata.c (process_state_for_insn_equiv_partition):
14901 Use xcalloc for insn_arcs_array.
14902 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14903 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14905 2006-01-24 Richard Henderson <rth@redhat.com>
14907 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14908 update all callers.
14910 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14912 PR rtl-optimization/25890
14913 PR rtl-optimization/25905
14914 * combine.c (expand_compound_operation, expand_field_assignment):
14915 Fail if the bitfield's final position is out of bounds.
14917 2006-01-24 Ian Lance Taylor <ian@airs.com>
14919 PR middle-end/25930
14920 * cgraphunit.c (cgraph_output_in_order): Don't clear
14921 cgraph_asm_nodes until after asm strings have been output.
14923 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14925 * fix-header.c (read_scan_file): Add new parameter imultilib when
14926 calling register_include_chains.
14928 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14930 * omp-low.c: Update documentation.
14932 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14933 Daniel Berlin <dberlin@dberlin.org>
14937 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14938 return from the function.
14940 2006-01-22 Zack Weinberg <zackw@panix.com>
14942 * rtl.def (match_code): Add second argument.
14943 * genpreds.c (write_extract_subexp): New function.
14944 (write_match_code): Add path argument. Use write_extract_subexp.
14945 (write_predicate_expr): Pass path to write_match_code.
14946 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14947 not perform a mode test.
14948 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14949 a subexpression does not constrain the top-level code set.
14950 * read-rtl.c (read_rtx_variadic): New function.
14951 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14952 * doc/md.texi: Document new notation.
14953 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14954 (cmpsi_operand): ... here, using new notation.
14956 2006-01-22 Zack Weinberg <zackw@panix.com>
14958 * varray.c: Remove GENERATOR_FILE #ifdefs.
14960 2006-01-22 Zack Weinberg <zackw@panix.com>
14962 * genautomata.c (output_reserved_units_table): Emit nothing if
14963 description->query_units_num is zero. Remove extra blank line.
14964 (output_cpu_unit_reservation_p): Short circuit
14965 if description->query_units_num is zero.
14967 2006-01-22 Zack Weinberg <zackw@panix.com>
14969 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14970 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14971 nor any of the random handful of variables that used to be necessary
14972 when this program was linked with rtlanal.o. Prune set of forward
14973 function declarations.
14974 (struct attr_desc): Remove static_p field.
14975 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14976 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14977 (attr_string): Do not read the character one past the length of
14979 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14980 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14981 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14982 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14983 (make_automaton_attrs): New.
14984 (main): Do not call into genautomata. Call local gen_bypass
14985 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14986 Remove special case for insn_alts.
14987 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14988 varray.h (leftover from previous change). Prune set of forward
14989 function declarations. Remove state_alts fields from all
14990 structures. Remove state_alts_table from struct automaton.
14991 Make everything except main static. Do not maintain num_dfa_decls.
14992 Do not maintain state_alts fields of various structures.
14993 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14994 (add_arc): Remove state_alts argument. All callers updated.
14995 (output_reserved_units_table): Emit #ifdef here...
14996 (output_tables): ...not here. Don't generate state_alts tables.
14997 (expand_automata): Don't generate attributes.
14998 (write_automata): Don't generate state_alts functions.
14999 (main): New function.
15000 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15001 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15002 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15003 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15004 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15005 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15006 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15007 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15009 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15010 * genattrtab.h: Delete file.
15011 * Makefile.in (OBJS-common): Add insn-automata.o.
15012 (insn-automata.o): New rule.
15013 (simple_generated_c): Add insn-automata.c.
15014 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15015 (genprogmd): Add automata.
15016 (build/genattrtab): Needs no extra objects nor libraries.
15017 (build/genautomata): Needs build/vec.o and -lm.
15019 2006-01-22 Zack Weinberg <zackw@panix.com>
15021 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15022 (output_dfa_max_issue_rate, locked_states_num): Delete.
15023 (struct automaton): Add locked_states field.
15024 (output_dead_lock_vect): Save number of locked states in
15025 automaton->locked_states. If it is zero, don't print anything.
15026 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15027 (output_internal_dead_lock_func): Only test the dead_lock_vect
15028 for automata that have locked states.
15029 (output_statistics): Always print the number of locked states for
15030 each automaton. Calculate total number of locked states here.
15031 (write_automata): Don't call output_dfa_max_issue_rate.
15032 * genattrtab.c: Define length_unit_log as a const variable.
15033 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15034 max_insn_queue_index const.
15035 * final.c (length_unit_log): Declare const.
15036 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15038 2006-01-22 Zack Weinberg <zackw@panix.com>
15040 * genautomata.c: Include vec.h, not varray.h.
15041 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15042 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15043 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15044 VEC_* macros operating on appropriately typed vectors, or to
15045 malloced arrays when the size is known in advance. Const-ify
15046 many char* variables and function arguments. No functional changes.
15047 * Makefile.in (build/varray.o): Delete rule.
15048 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15049 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15051 2006-01-22 Zack Weinberg <zackw@panix.com>
15053 * gensupport.c: Define get_insn_name and record_insn_name here.
15054 (read_md_rtx): Call record_insn_name as appropriate.
15055 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15056 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15057 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15059 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15060 (BUILD_VARRAY): Delete.
15061 (genprognormal): Rename genprogmd. Fold in all programs from
15062 genprognoprint; also attrtab.
15063 (build/genattrtab): Just mention genautomata.o and varray.o.
15064 Reorganize a bit, add comments to make the categories clearer.
15066 2006-01-22 Zack Weinberg <zackw@panix.com>
15068 * genconditions.c (condition_table, add_condition): Delete.
15069 (write_conditions): Don't emit n_insn_conditions nor
15070 insn_elision_unavailable. Issue the gcc version #ifdef here,
15071 inside the table, with no #else clause ...
15072 (write_header): ...not here.
15073 (write_writer): New function.
15074 (main): Don't initialize condition_table. Use add_c_test.
15076 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15077 files on the command line.
15078 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15079 Return -1 if there is no entry in the table, don't abort.
15080 (add_c_test, traverse_c_tests): New functions.
15081 * gensupport.h (insn_elision_unavailable, insn_conditions)
15082 (n_insn_conditions): Delete declarations.
15083 (add_c_test, traverse_c_tests): Declare.
15084 * read-rtl.c: Include gensupport.h.
15085 (read_conditions): New function.
15086 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15087 (read_rtx_1): If we get EOF when we were looking for an initial
15088 open paren, return 0. Call read_conditions when appropriate.
15089 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15090 dummy-conditions.o. Eliminate references to insn-conditions.o,
15091 or change them to build/gencondmd.o, as appropriate. Remove
15092 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15093 from $(simple_generated_c). For all files remaining in those
15094 two lists, add insn-conditions.md to the generator command line.
15095 Give insn-constants.h/s-constants their own rules. Add rules
15096 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15097 (build/read-rtl.o): Depend on gensupport.h.
15098 (genprognormal): Include preds.
15099 (genprogearly): Rename genprognoprint; only difference is now that
15100 they don't link with $(BUILD_PRINT).
15101 * dummy-conditions.c: Delete.
15103 2006-01-22 Zack Weinberg <zackw@panix.com>
15105 * genextract.c: Don't include insn-config.h. Do include vec.h.
15106 Declare vectors of int, char, and locstr.
15107 (locstr): New typedef.
15108 (struct extraction): Make all array fields into bare pointers.
15109 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15110 (insn_code_number): Delete.
15111 (accum_extract): New struct.
15112 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15113 (gen_insn): Take insn_code_number as an argument. Use an
15114 accum_extract structure instead of loading data directly into
15115 a struct extraction, and having to know how big it might get.
15116 (walk_rtx): Operate entirely on an accum_extract structure.
15117 (print_path): Avoid unnecessary use of printf.
15118 (print_header): New function, split out of main. Distinguish
15119 more carefully between an unrecognizable insn and an insn that
15120 has the code number of a define_expand.
15121 (main): Pass insn_code_number to gen_insn. Call print_header
15122 only after parsing. Avoid unnecessary use of printf.
15123 * Makefile.in (build/vec.o): New rule.
15124 (build/genextract): Depend on build/vec.o.
15125 (build/genextract.o): Don't depend on insn-config.h.
15127 2006-01-22 Zack Weinberg <zackw@panix.com>
15129 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15130 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15131 practical. Eliminate per-generator-program link rules.
15133 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15135 PR middle-end/24437
15136 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15137 with a call expr to ...
15138 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15140 2006-01-23 Richard Guenther <rguenther@suse.de>
15142 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15143 before make_edge with conditional EDGE_TRUE_VALUE.
15145 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15146 Jan Hubicka <jh@suse.cz>
15147 Richard Guenther <rguenther@suse.de>
15149 PR rtl-optimization/25654
15150 * cfgexpand.c (aggregate_contains_union_type): New function.
15151 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15152 for structure variables that contain a union type.
15154 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15156 * gengtype.c (new_structure): Return the structure.
15157 (create_option): Add an extra "next" argument.
15158 (create_field): New function.
15159 (adjust_field_rtx_def): Use create_option and create_field.
15160 Remove a now-unnecessary call to find_structure.
15161 (adjust_field_tree_def): Likewise.
15162 (note_yacc_type): Remove an unnecessary call to find_structure.
15163 * gengtype.h (new_structure): Return the structure.
15164 (create_option): Add an extra argument.
15165 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15166 (option): Adjust calls to create_option.
15168 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15170 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15172 2006-01-22 Paul Brook <paul@codesourcery.com>
15173 Peter Barada <peter@the-baradas.com>
15175 * config/m68k/m68k.md: Add Coldfire FPU support.
15176 Define FP mode macro and associated attributes.
15177 Use it for float mode patterns.
15178 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15179 (LIBCALL_VALUE): Use m68k_libcall_value.
15180 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15181 (m68k_function_value): Ditto.
15182 (emit_move_sequence): Ditto.
15183 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15184 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15185 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15186 (MULTILIB_EXCEPTIONS): Ditto.
15187 * config/m68k/m68k.opt: Add mcfv4e.
15188 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15189 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15190 (m68k_output_function_prologue): Save ColdFire FPU registers.
15191 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15192 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15193 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15194 ColdFire FPU registers.
15195 (m68k_libcall_value, m68k_function_value): New functions.
15196 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15197 (LIBCALL_VALUE): Use m68k_libcall_value.
15198 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15199 (MASK_COLDFIRE): Add MASK_CFV4E.
15200 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15201 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15202 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15203 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15204 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15205 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15206 * doc/invoke.tex: Document -mcfv4e on m68k.
15208 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15210 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15213 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15216 * c-opts.c (c_common_handle_option): Don't include
15217 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15218 * doc/invoke.texi (C++ Dialect Options): Document that
15219 -Wnon-virtual-dtor is no longer included in -Wall.
15221 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15223 * gcov.c (print_version), gcov-dump.c (print_version),
15224 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15227 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15229 * df-scan.c (problem_SCAN): Added NULL reset function.
15230 (df_scan_reset_blocks): Added code to call reset block function
15231 (df_bb_refs_delete) Fixed comment.
15232 (df_insn_refs_delete): Made tolerant of deleting non existent info
15233 for dataflow problems that need to be reset.
15234 * df-core.c (df_set_blocks): Ditto.
15235 * df.h (struct df_problem): Added reset_fun.
15236 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15237 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15238 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15239 functions to clear out all references to def-use or use-def chains.
15241 2006-01-21 Ben Elliston <bje@au.ibm.com>
15243 * varasm.c (assemble_real): Initialise data array.
15245 2006-01-20 Paul Brook <paul@codesourcery.com>
15247 Merge from csl-arm-branch.
15248 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15249 * config/arm/arm.md (movdi): Force operands[1] to a register
15250 if we have a non-register source.
15251 (*arm_movdi, *movdf_soft_insn): Require that one of the
15252 operands be a register.
15253 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15254 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15256 2006-01-20 DJ Delorie <dj@redhat.com>
15258 * varasm.c (initializer_constant_valid_p): Allow pointers
15259 initialized from integer constants of lesser precision.
15260 (output_constant): Allow non-int-sized pointer modes to be
15261 initialized from integer constants.
15263 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15266 * cppdefault.h (struct default_include): Add multilib flag.
15267 * cppdefault.c (cpp_include_defaults): Set it.
15268 * c.opt (-imultilib): New option.
15269 * c-opts.c (imultilib): New.
15270 (c_common_handle_option): Handle -imultilib.
15271 (c_common_post_options): Likewise.
15272 * c-incpath.c (add_standard_paths, register_include_chains):
15274 * c-incpath.h (register_include_chains): Add extra parameter.
15275 * gcc.c (do_spec_1): Generate -imultilib option.
15276 (The Specs Language): Update %I description.
15277 (process_command): Update copyright notice.
15278 * doc/cppopts.texi (-imultilib): Document.
15279 * doc/invoke.texi (-imultilib): Include in option summary.
15280 (%I): Update specs documentation.
15282 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15284 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15286 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15288 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15291 2006-01-20 Richard Guenther <rguenther@suse.de>
15292 Steven Bosscher <stevenb.gcc@gmail.com>
15294 PR rtl-optimization/24626
15295 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15296 EDGE_TRUE_VALUE if in RTL mode.
15299 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15300 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15302 2006-01-20 Dirk Mueller <dmueller@suse.com>
15305 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15306 instead of a special NOP marker.
15307 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15308 NOP marker handling.
15309 * c-common.h (empty_body_warning): Add forward declaration.
15310 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15311 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15313 2006-01-20 Paul Brook <paul@codesourcery.com>
15315 * Makefile.in (lang_checks): Keep going if mkdir fails.
15317 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15319 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15320 be able to clean out basic block when not necessary.
15321 (df_scan_free): Fixed to properly delete information if df is
15322 unused before calling df_finish.
15323 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15324 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15326 (df_bb_refs_delete): New function.
15327 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15328 * df-core.c (df_set_blocks): Added code to properly clean out
15329 unused blocks if they are not part of the blocks to consider.
15330 Added additional null check.
15331 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15332 be able to clean out basic block when not necessary
15333 * df.h (df_free_bb_function): Ditto.
15334 (df_bb_refs_delete): New function.
15335 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15336 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15337 basic block parameter to be able to clean out basic block when not
15339 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15340 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15341 Fixed to properly delete information if df is unused before
15344 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15346 PR rtl-optimization/25799
15347 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15348 Corrected confluence operator to remove bits from op2 before oring
15349 with op1 rather than removing bits from op1.
15350 (df_ru_transfer_function): Corrected test on wrong bitmap which
15351 caused infinite loop. Both of these problems were introduced in
15352 the dataflow rewrite.
15354 2006-01-19 DJ Delorie <dj@redhat.com>
15356 * reload1.c (find_reload_regs): Note the details of reload
15357 failures in the dump file.
15358 (spill_failure): Likewise.
15360 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15362 * loop-iv.c: Include df.h and hashtab.h.
15363 (enum iv_grd_result): New enum.
15364 (DF_REF_IV, DF_REF_IV_SET): New macros.
15365 (struct biv_entry): New.
15366 (df, bivs): New global variables.
15367 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15368 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15370 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15371 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15372 analyzed_for_bivness_p, record_biv): New functions.
15373 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15374 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15375 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15377 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15379 (iv_number_of_iterations): Use new interface to iv analysis.
15380 * loop-unroll.c: Do not include varray.h.
15381 (analyze_iv_to_split_insn): Use new interface to iv
15383 * loop-unswitch.c (may_unswitch_on): Ditto.
15384 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15386 (df_bb_modify): Realloc tables to the new index.
15387 (df_find_use): New function.
15388 * df.h (df_find_use): Declare.
15389 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15391 * cfgloop.h (struct rtx_iv): Remove analysed field.
15392 (iv_get_reaching_def): Removed.
15393 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15394 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15395 (loop-iv.o): Add df.h and hashtab.h dependency.
15396 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15398 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15401 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15403 (__floatundisf, __floatundidf): Likewise.
15404 * libgcc2.h (IS_IBM_EXTENDED): Define.
15406 2006-01-19 DJ Delorie <dj@redhat.com>
15408 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15410 2006-01-19 Paul Brook <paul@codesourcery.com>
15412 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15413 as nothrow when unwinding tables are disabled.
15415 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15418 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15419 of bit-field" when in system header.
15421 2006-01-19 DJ Delorie <dj@redhat.com>
15423 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15424 the 16 bit shift limit of the m16c.
15426 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15429 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15430 * config/i386/i386.c (output_set_got): Output the label if we have one
15431 for the TARGET_DEEP_BRANCH_PREDICTION case.
15433 2006-01-19 Jan Hubicka <jh@suse.cz>
15434 H.J. Lu <hongjiu.lu@intel.com>
15435 Evandro Menezes <evandro.menezes@amd.com>
15437 * invoke.texi (generic): Document
15439 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15440 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15441 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15442 (x86_use_incdec, x86_pad_returns): New variables
15443 (TARGET_CPU_DEFAULT_generic): New constant
15444 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15445 (enum processor_type): Add generic32 and generic64.
15446 * i386.md (cpu attribute): Add generic32/generic64
15447 (movhi splitter): Behave sanely when both partial_reg_dependency and
15448 partial_reg_stall are set.
15449 (K8 splitters): Enable for generic as well.
15450 * predicates.md (incdec_operand): Use TARGET_INCDEC
15451 (aligned_operand): Avoid memory mismatch stalls.
15452 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15453 * ppro.md: Enable for generic32
15454 * i386.c (generic64_cost, generic32_cost): New.
15455 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15456 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15457 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15458 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15459 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15460 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15461 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15462 x86_accumulate_outgoing_args, x86_prologue_using_move,
15463 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15464 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15465 Enable for generic.
15466 (x86_use_incdec, x86_pad_returns): New.
15467 (override_options): Add generic32 and generic64, translate "generic"
15468 to generic32/generic64 and "i686" to "generic32", refuse
15469 "generic32"/"generic64" as arch target.
15470 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15471 (ix86_reorg): Honor PAD_RETURNS.
15473 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15475 * tree-pretty-print.c (dump_generic_node): Handle
15476 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15477 * cgraph.c (cgraph_expand_queue): Rename from
15478 cgraph_analyze_queue. Update all users.
15479 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15480 cgraph_expand_queue.
15481 (cgraph_expand_all_functions): Likewise.
15482 (cgraph_finalize_pending_functions): Remove. Update callers.
15484 * tree.h (OMP_DIRECTIVE_P): Define.
15485 (OMP_PARALLEL_FN): Define.
15486 (OMP_PARALLEL_DATA_ARG): Define.
15487 (OMP_SECTIONS_SECTIONS): Define.
15488 * tree-pass.h (pass_expand_omp): Declare.
15489 * omp-low.c (struct omp_region): Declare.
15490 (struct omp_context): Remove fields 'parallel_type',
15491 'parallel_start_ix' and 'parallel_start_additional_args'.
15493 (struct omp_for_data): Rename from struct expand_omp_for_data.
15494 (omp_regions): New static variable.
15495 (root_omp_region): New static variable.
15496 (find_omp_clause): Make static.
15497 (is_in_combined_parallel_ctx): Remove.
15498 (is_combined_parallel): New.
15499 (extract_omp_for_data): Move earlier in the file.
15500 (workshare_safe_to_combine_p): New.
15501 (get_ws_args_for): New.
15502 (determine_parallel_type): Move earlier in the file.
15503 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15505 (omp_copy_decl): Likewise.
15506 (create_omp_child_function): Likewise.
15507 (lookup_omp_region): New.
15508 (dump_omp_region): New.
15509 (debug_omp_region): New.
15510 (debug_all_omp_regions): New.
15511 (new_omp_region): New.
15512 (scan_omp_parallel): If parallel_nesting_level > 1, the
15513 directive is nested within another parallel directive.
15514 Set OMP_PARALLEL_FN.
15515 (scan_omp_for): Do not try to handle combined parallel+for
15517 Remove FIXME comment.
15518 (scan_omp_nested): Remove.
15519 (scan_omp_1): Do not call scan_omp_nested when
15520 parallel_nesting_level is > 1.
15521 Do not change the DECL_CONTEXT of local variables found.
15522 (lookup_decl_in_outer_ctx): New.
15523 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15524 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15525 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15526 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15527 If CTX is nested, lookup VAR in the outer context when
15528 building copy assignment.
15529 (lower_send_clauses): Rename from expand_send_clauses.
15530 If CTX is nested, lookup VAR in the outer context when
15531 building copy assignments.
15532 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15533 If CTX is nested, lookup VAR in the outer context when
15534 building copy assignments.
15535 (expand_parallel_call): Rename from build_parallel_call.
15536 Handle combined parallel+workshare cases.
15537 Re-implement to emit code into the CFG.
15539 (expand_omp_parallel): Re-implement to emit code into the CFG.
15540 Call move_sese_region_to_fn to outline the sub-graph
15541 containing the parallel region.
15542 (expand_omp_for_1): Remove.
15543 (expand_omp_for_generic): Re-implement to emit code into the
15545 (expand_omp_for_static_nochunk): Likewise.
15546 (expand_omp_for_static_chunk): Likewise.
15547 (expand_omp_for): Likewise.
15548 (expand_omp_sections): Likewise.
15549 (remove_exit_barriers): New.
15550 (expand_omp_synch): New.
15552 (build_omp_regions_1): New.
15553 (build_omp_regions): New.
15554 (execute_expand_omp): New.
15555 (gate_expand_omp): New.
15556 (pass_expand_omp): Define.
15557 (lower_omp_sections): Rename from expand_omp_sections.
15558 Set OMP_SECTIONS_SECTIONS.
15559 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15560 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15561 (lower_omp_single): Rename from expand_omp_simple.
15562 (lower_omp_master): Rename from expand_omp_master.
15563 (lower_omp_ordered): Rename from expand_omp_ordered.
15564 (lower_omp_critical): Rename from expand_omp_critical.
15565 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15566 (lower_omp_for): Re-implement.
15567 (lower_omp_parallel): Re-implement.
15568 (lower_regimplify): Rename from expand_regimplify.
15569 (lower_omp_1): Rename from expand_omp_1.
15570 If there are syntax errors in the program, replace every
15571 OpenMP directive with NOP.
15572 Call lower_omp_* instead of expand_omp_*.
15573 (lower_omp): Rename from expand_omp.
15575 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15576 * tree-gimple.h (enum omp_parallel_type): Remove.
15577 (gimple_boolify): Declare extern.
15578 (find_omp_clause, determine_parallel_type): Remove.
15580 * gimple-low.c (lower_omp_directive): New.
15581 (lower_stmt): Call it.
15582 (record_vars_into): Move from ...
15583 (record_vars): ... here.
15584 Call record_vars_into with current_function_decl.
15586 * gimplify.c (struct gimplify_ctx): Remove fields
15587 combined_pre_p and combined_ctxp. Update users.
15588 (get_formal_tmp_var): Add documentation.
15589 (gimple_boolify): Make extern.
15590 (gimplify_expr_in_ctx): Remove. Update callers.
15591 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15592 will always be a BIND_EXPR.
15593 (gimplify_expr): Handle OMP_RETURN_EXPR.
15594 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15595 (OMP_PARALLEL): Add 3 operands.
15596 (OMP_SECTIONS): Add 1 operand.
15597 (OMP_RETURN_EXPR): Define.
15599 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15600 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15601 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15602 creating a circular free list.
15603 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15605 * tree-flow.h (move_sese_region_to_fn): Declare.
15606 (record_vars_into): Declare.
15607 * tree-cfg.c (make_omp_sections_edges): New.
15608 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15609 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15610 OMP_SECTIONS and OMP_SECTION.
15611 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15612 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15613 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15614 (gather_blocks_in_sese_region): New.
15615 (struct move_stmt_d): Declare.
15616 (move_stmt_r): New.
15617 (move_block_to_fn): New.
15618 (move_sese_region_to_fn): New.
15620 * passes.c (init_optimization_passes): Schedule
15621 pass_expand_omp after pass_init_datastructures.
15623 * tree-ssa-operands.c (get_expr_operands): Handle
15624 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15625 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15627 2006-01-19 Jeff Law <law@redhat.com>
15629 * tree-vrp.c (extract_range_from_assert): Refine the result range
15630 if the variable referenced by the ASSERT_EXPR has a range and
15631 either the tentative result range or the previous range is a
15634 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15636 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15638 2006-01-19 Jan Hubicka <jh@suse.cz>
15640 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15642 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15644 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15645 (expand_compound_operation, expand_field_assignment): Fail if the
15646 bit lengths of an extract operation are out of range.
15647 (make_extraction): Compute wanted_inner_mode based on the position
15648 and length of the extraction. Make it extraction_mode for non-constant
15649 positions, and do not modify offset in that case. When generating a
15650 new MEM, use a mode that can hold the extraction while keeping correct
15651 alignment. Remove code that supported MEMs wrapped by USEs.
15652 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15654 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15656 * config/s390/s390.md ("Y", "y"): New mode attribute.
15657 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15658 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15659 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15660 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15661 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15662 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15663 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15664 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15665 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15666 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15667 "addsi3", "subsi3"): Insn patterns removed.
15668 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15669 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15670 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15671 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15672 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15673 "*sub<mode>3_cconly2"): New insn patterns.
15674 ("addsi3", "subsi3"): New expanders.
15676 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15678 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15679 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15680 existing STMT_VINFO_VECTYPE if available.
15681 (vect_mark_relevant): Add special handling for stmts that are
15682 marked as STMT_VINFO_IN_PATTERN_P.
15683 (vect_analyze_loop): Call vect_pattern_recog.
15684 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15685 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15687 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15688 (vect_recog_func_ptr): New function-pointer type.
15689 * tree-vect-patterns.c: New file.
15690 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15691 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15692 (vect_pattern_recog_1): New functions.
15693 (vect_pattern_recog_funcs): New array of function pointers.
15695 * tree-vectorizer.h (ternary_op): New enum value.
15696 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15697 declaration. Revised documentation. Removed redundant dump prints.
15698 Removed redundant argument. Added support for reduction patterns.
15699 (vectorizable_reduction): Added support for reduction patterns.
15700 (vect_transform_stmt): Added support for patterns.
15702 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15703 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15704 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15705 (expand_widen_pattern_expr): New function.
15706 (init_optabs): Initialize new optabs udot_prod_optab,
15708 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15709 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15710 (expand_widen_pattern_expr): New function declaration.
15711 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15713 * tree-inline.c (estimate_num_insns_1): Added cases for new
15714 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15715 * tree-pretty-print.c (dump_generic_node): Likewise.
15716 (op_prio): Likewise.
15717 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15718 * tree-ssa-operands.c (get_expr_operands): Added case for
15720 * tree-vect-patterns.c (widened_name_p): New function.
15721 (vect_recog_dot_prod_pattern): Added function implementation.
15722 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15723 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15724 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15725 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15727 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15728 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15729 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15730 (init_optabs): Initialize new optabs widen_ssum_optab,
15732 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15733 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15734 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15735 use instead of type of def.
15736 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15737 function implementation.
15738 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15739 widen_ssumv8hi): New.
15741 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15744 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15747 * c-decl.c (add_flexible_array_elts_to_size): New function.
15748 (finish_decl): Use it.
15750 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15752 * diagnostic.h: Include options.h.
15753 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15754 dependancies for diagnostic.h.
15755 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15757 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15759 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15760 (ssa_ro_call_cache_valid): Ditto.
15761 * tree-ssa-alias.c (sort_tags_by_id): New function.
15762 (init_transitive_clobber_worklist): Ditto.
15763 (add_to_worklist): Ditto.
15764 (mark_aliases_call_clobbered): Ditto.
15765 (compute_tag_properties): Ditto.
15766 (set_initial_properties): Ditto.
15767 (compute_call_clobbered): Ditto.
15768 (compute_may_aliases): Call compute_call_clobbered and grouping.
15769 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15770 (compute_flow_insensitive_aliasing): Grouping now happens in our
15772 (setup_pointers_and_addressables): Remove clobbering related code.
15773 (add_may_alias): Ditto.
15774 (replace_may_alias): Ditto.
15775 (get_nmt_for): Ditto.
15776 (create_global_var):
15777 (is_escape_site): Return an escape_type enumeration.
15778 * tree-flow-inline.h (is_call_clobbered): Global var does not
15779 imply call clobbered.
15780 (mark_call_clobbered): Take a reason for marking this. Remove
15781 marking of globalness, and cache invalidation.
15782 (clear_call_clobbered): Remove cache invalidation code.
15783 * tree-dfa.c (dump_variable): If details is on, dump the reason
15785 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15787 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15788 (struct var_ann_d): Ditto.
15789 (enum escape_type): New.
15790 (mark_call_clobbered): Adjust prototype.
15791 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15792 are never call clobbered.
15793 Record reasons for escaping.
15794 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15795 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15796 (ssa_ro_call_cache_valid): Ditto.
15797 (clobbered_v_may_defs): Ditto.
15798 (clobbered_vuses): Ditto.
15799 (ro_call_vuses): Ditto.
15800 (clobber_stats): New.
15801 (init_ssa_operands): Zero out clobber stats.
15802 (fini_ssa_operands): Print out clobber stats.
15803 (get_call_expr_operands): Pass callee fndecl to
15804 add_call_read_ops).
15805 (add_call_clobber_ops): Remove use of cache.
15806 Add use of PURE_CONST information.
15807 (add_call_read_ops): Remove use of cache.
15808 Add use of static not_read information.
15810 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15812 Introduce TLS descriptors for i386 and x86_64.
15813 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15814 (TARGET_ANY_GNU_TLS): New macro.
15815 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15816 (struct machine_function): Add tls_descriptor_call_expanded_p.
15817 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15818 (ix86_current_function_calls_tls_descriptor): Likewise.
15819 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15820 (override_options): Introduce gnu2 tls dialect.
15821 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15823 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15825 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15826 (ix86_init_machine_status): Initialize new field.
15827 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15828 (ix86_tls_module_base): New.
15829 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15830 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15831 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15832 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15833 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15834 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15835 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15836 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15837 * config/i386/predicates.md (tls_modbase_operand): New.
15838 (tp_or_register_operand): New.
15840 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15842 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15843 (look_for_address_of): Ditto.
15844 (ipa_init): Walk the function decls.
15845 (static_execute): Don't set readonly on FUNCTION_DECL's.
15847 2006-01-18 Roger Sayle <roger@eyesopen.com>
15849 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15850 for shifts where the source and destination registers are different.
15852 2006-01-18 Paul Brook <paul@codesourcery.com>
15854 Merge from csl-arm-branch.
15855 2005-03-14 Julian Brown <julian@codesourcery.com>
15856 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15857 (aeabi_llsl): Likewise.
15858 (ashrdi3): Likewise.
15859 (aeabi_lasr): Likewise.
15860 (lshrdi3): Likewise.
15861 (aeabi_llsr): Likewise.
15862 2005-03-10 Julian Brown <julian@codesourcery.com>
15863 * config.gcc: Disable shared libgcc for SymbianOS.
15864 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15866 2006-01-18 DJ Delorie <dj@redhat.com>
15868 * c-pragma.c (handle_pragma_diagnostic): New.
15869 (init_pragma): Register it.
15870 * doc/extend.texi: Document it.
15872 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15873 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15874 (diagnostic_context): Add classify_diagnostic[].
15875 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15876 as errors if they're overridden to DK_WARNING.
15877 (diagnostic_initialize): Initialize classify_diagnostic[].
15878 (diagnostic_set_kind_override): New.
15879 (diagnostic_report_diagnostic): Check for kind changes.
15880 * opts.c (common_handle_option): Take lang_mask. Update callers.
15881 Handle OPT_Werror_.
15882 * common.opt (Werror=): New.
15883 * doc/invoke.texi: Document -Werror=*
15885 2006-01-18 Jeff Law <law@redhat.com>
15887 * tree-vrp.c (test_for_singularity): Correct test for new
15888 min limit. Use operand_equal_p rather than pointer equality
15889 for testing if new min/max values are equal.
15891 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15892 using range information until after propagation and folding.
15894 2006-01-18 Richard Henderson <rth@redhat.com>
15895 Aldy Hernandez <aldyh@redhat.com>
15896 Jakub Jelinek <jakub@redhat.com>
15897 Diego Novillo <dnovillo@redhat.com>
15899 * omp-low.c: New file.
15900 * c-omp.c: New file.
15902 2006-01-18 Richard Henderson <rth@redhat.com>
15903 Jakub Jelinek <jakub@redhat.com>
15904 Diego Novillo <dnovillo@redhat.com>
15906 * doc/invoke.texi: Document -fopenmp.
15907 * tree-dump.h (debug_function): Declare.
15908 * hooks.c (hook_bool_tree_bool_false): New function.
15909 (hook_tree_tree_null): Remove.
15910 (hook_tree_tree_tree_null): New.
15911 * hooks.h: Update to match.
15912 * tree-pretty-print.c (debug_tree_chain): New.
15913 (print_generic_expr): Handle TDF_CHAIN.
15914 (dump_generic_node): Handle BLOCK.
15915 Do not abort with incomplete SWITCH_EXPRs.
15916 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15917 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15918 print space after directive name.
15919 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15920 Handle OMP_MASTER and OMP_ORDERED.
15921 Handle printing of OMP_BODY just in one place, goto
15922 dump_omp_body in the rest of OMP_* nodes that have
15924 Don't handle clause nodes here. Update omp statements to
15925 use dump_omp_clauses.
15926 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15927 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15928 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15929 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15930 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15931 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15932 Adjust output for GOMP_PARALLEL.
15933 (dump_omp_clauses): New.
15934 (print_declaration): Dump DECL_VALUE_EXPR.
15935 (op_symbol_1): Split out of op_symbol.
15936 (dumping_stmts): Remove. Update all users.
15937 * cgraph.c (cgraph_analyze_queue): New.
15938 (cgraph_add_new_function): New.
15939 * cgraph.h (cgraph_analyze_queue): Declare.
15940 (cgraph_add_new_function): Declare.
15941 (cgraph_lower_function): Remove.
15942 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15943 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15944 and TYPE_P nodes in its default clause.
15945 (empty_body_p): New.
15946 (tree_range_check_failed): New.
15947 (build5_stat): New.
15948 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15949 OMP_CLAUSE_REDUCTION_MERGE,
15950 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15951 OMP_CLAUSE_PRIVATE_DEBUG,
15952 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15953 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15954 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15955 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15956 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15957 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15958 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15959 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15960 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15961 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15962 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15963 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15964 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15965 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15966 (TREE_RANGE_CHECK): New.
15967 (empty_body_p): Declare.
15968 (enum omp_clause_default_kind): New.
15969 (build_string_literal): Declare.
15970 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15971 (build5_stat, build5): Declare.
15972 * tree-pass.h (TDF_CHAIN): Define.
15973 * tree-pass.h (PROP_gimple_lomp): Define.
15974 (pass_lower_omp): Declare.
15975 * diagnostic.h (debug_tree_chain): Declare.
15976 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15978 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15979 * builtins.c (build_string_literal): Make extern.
15980 * gcc.c (include_spec_function): New.
15981 (static_spec_functions): Add it.
15982 (main): Move load of libgomp.spec ...
15983 (LINK_COMMAND_SPEC): ... here.
15984 (link_gomp_spec): New.
15985 (static_specs): Include it.
15986 (LINK_COMMAND_SPEC): Add link_gomp.
15987 (GOMP_SELF_SPECS): New.
15988 (driver_self_specs): Include it.
15989 (switch_matches): Don't mark inline.
15990 (main): Load libgomp.spec.
15991 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15992 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15993 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15994 * tree-gimple.h (enum omp_parallel): Declare.
15995 (determine_parallel_type): Declare.
15996 (omp_firstprivatize_variable): Declare.
15997 (omp_reduction_init): Declare.
15998 (diagnose_omp_structured_block_errors): Declare.
15999 (struct walk_stmt_info): Add want_return_expr.
16000 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16001 (find_omp_clause): Declare.
16002 (insert_field_into_struct): Declare.
16003 (struct walk_stmt_info): Move from tree-nested.c
16004 (walk_stmts): Declare.
16005 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16007 * cgraphunit.c (cgraph_lower_function): Make static.
16008 (cgraph_finalize_pending_functions): New.
16009 (cgraph_finalize_function): Call it.
16010 (cgraph_finalize_compilation_unit): Likewise.
16011 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16012 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16013 (BT_FN_UINT_UINT): New.
16014 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16015 DEF_FUNCTION_TYPE_VAR_4): Document.
16016 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16017 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16018 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16019 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16020 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16021 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16022 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16023 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16024 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16025 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16026 into separate files.
16027 (DEF_GOMP_BUILTIN): New.
16028 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16029 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16030 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16031 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16032 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16033 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16034 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16035 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16036 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16037 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16038 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16039 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16040 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16041 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16042 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16043 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16044 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16045 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16046 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16047 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16048 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16049 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16050 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16051 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16052 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16053 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16054 * sync-builtins.def: New file, moved from builtins.def.
16055 * omp-builtins.def: New file, moved from builtins.def.
16056 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16057 * gimple-low.c (lower_function_body): Clear data.
16058 (lower_stmt): Do not handle COMPOUND_EXPR.
16059 Remove call to print_node_brief.
16060 * c-tree.h (c_finish_omp_clauses): New prototype.
16061 (C_DECL_THREADPRIVATE_P): Define.
16062 (lookup_name_no_remap, c_omp_remap_private): Remove
16063 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16064 (check_for_loop_decls): Update decl.
16065 (lookup_name_no_remap, c_omp_remap_private): Declare.
16066 (build_indirect_ref, build_modify_expr, pushdecl,
16067 pushdecl_top_level): Move to c-common.h.
16068 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16069 before the switch, but just in the 2 places that need it.
16070 * c-decl.c (diagnose_mismatched_decls): Do not check for
16071 mismatched thread-local attributes when OLDDECL is marked
16072 threadprivate and NEWDECL has no thread-local attributes.
16073 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16074 (c_gimple_diagnostics_recursively): Rename from
16075 c_warn_unused_result_recursively. Invoke
16076 diagnose_omp_structured_block_errors.
16077 (check_for_loop_decls): Return a singular decl found.
16078 * langhooks.c (lhd_omp_predetermined_sharing): Return
16079 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16080 (lhd_omp_firstprivatize_type_sizes): New.
16081 (lhd_omp_assignment): New.
16082 (lhd_omp_predetermined_sharing): New.
16083 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16084 (struct lang_hooks_for_types): Add
16085 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16086 omp_predetermined_sharing, omp_disregard_value_expr,
16087 omp_private_debug_clause, omp_clause_default_ctor,
16088 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16089 (c_finish_omp_clauses): New.
16090 (c_finish_bc_stmt): Diagnose break within omp for.
16091 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16092 (build_unary_op): Return error_mark after reporting
16094 (build_modify_expr): Likewise.
16095 * gimplify.c: Include optabs.h and pointer-set.h.
16096 (enum gimplify_omp_var_data): Declare.
16097 (struct gimplify_omp_ctx): Declare.
16098 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16100 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16101 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16102 (splay_tree_compare_decl_uid): New.
16103 (new_omp_context): New.
16104 (delete_omp_context): New.
16105 (gimple_add_tmp_var): Call omp_add_variable.
16106 (gimplify_bind_expr): Likewise.
16107 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16108 true, disregard DECL_VALUE_EXPR on the decl if any.
16109 (gimplify_expr_in_ctx): New.
16110 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16111 omp_add_variable, omp_notice_variable, omp_is_private
16112 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16113 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16114 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16115 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16116 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16117 gimplify_omp_atomic): New.
16118 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16119 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16120 OMP_CRITICAL and OMP_ATOMIC.
16121 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16122 * c-pragma.h (enum pragma_kind): Add
16123 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16124 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16125 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16126 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16127 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16128 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16129 PRAGMA_OMP_THREADPRIVATE.
16130 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16131 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16132 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16133 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16134 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16135 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16136 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16137 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16138 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16139 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16140 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16141 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16142 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16144 (struct nesting_info): Add field_map,
16145 suppress_expansion, debug_var_chain.
16146 (create_nesting_tree): Initialize them.
16147 (lookup_field_for_decl): Use field_map.
16148 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16149 (convert_local_omp_clauses): New.
16150 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16151 (walk_body): Split out of walk_function.
16152 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16153 (convert_nonlocal_reference): Handle omp statements.
16154 (convert_local_reference): Likewise.
16155 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16156 (unnest_nesting_tree): New.
16157 (lower_nested_functions): Call it.
16158 (insert_field_into_struct): Make extern.
16159 (struct walk_stmt_info): Move to tree-gimple.h.
16160 (walk_stmts): Make extern.
16161 * omp-builtins.def: New file.
16162 * tree-iterator.c (expr_only): Clarify comment.
16163 * c-common.h (pushdecl_top_level, pushdecl,
16164 build_modify_expr, build_indirect_ref,
16165 c_finish_omp_master, c_finish_omp_critical,
16166 c_finish_omp_ordered, c_finish_omp_barrier,
16167 c_finish_omp_atomic, c_finish_omp_flush,
16168 c_finish_omp_for, c_split_parallel_clauses,
16169 omp_clause_default_kind, c_omp_sharing_predetermined,
16170 c_omp_remap_decl): Declare.
16171 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16172 (OBJS-common): Add omp-low.o.
16173 (c-omp.o, omp-low.o): Add.
16174 (gimplify.o): Add dependency on $(OPTABS_H).
16175 (GTFILES): Add omp-low.c.
16176 (gt-stringpool.h): Add.
16177 * tree-cfg.c (set_bb_for_stmt): Do not update the
16178 block-to-labels map if we are currently expanding to RTL.
16179 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16181 Handle IDENTIFIER_NODE.
16182 (tree_verify_flow_info): Do not ICE when emitting error
16183 messages about invalid labels.
16184 (dump_function_to_file): Reset CFUN before emitting the body
16186 (debug_function): New.
16187 * passes.c (init_optimization_passes): Schedule
16189 * langhooks-def.h (lhd_omp_predetermined_sharing,
16190 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16192 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16193 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16194 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16195 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16196 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16197 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16198 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16199 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16200 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16201 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16202 (LANG_HOOK_DECLS): Use them.
16204 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16205 Richard Henderson <rth@redhat.com>
16206 Jakub Jelinek <jakub@redhat.com>
16207 Diego Novillo <dnovillo@redhat.com>
16209 * c-parser.c (pragma_omp_clause): Define.
16210 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16211 (c_parser_compound_statement): Likewise.
16212 (c_parser_statement): Likewise.
16213 (c_parser_pragma): Handle omp pragmas.
16214 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16215 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16216 (c_parser_omp_clause_name, check_no_duplicate_clause,
16217 c_parser_omp_variable_list,
16218 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16219 c_parser_omp_clause_copyprivate,
16220 c_parser_omp_clause_default,
16221 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16222 c_parser_omp_clause_lastprivate,
16223 c_parser_omp_clause_nowait,
16224 c_parser_omp_clause_num_threads,
16225 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16226 c_parser_omp_clause_reduction,
16227 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16228 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16229 c_parser_omp_atomic, c_parser_omp_barrier,
16230 c_parser_omp_critical, c_parser_omp_flush,
16231 c_parser_omp_for_loop, c_parser_omp_for,
16232 c_parser_omp_master, c_parser_omp_ordered,
16233 c_parser_omp_sections_scope, c_parser_omp_sections,
16234 c_parser_omp_parallel, c_parser_omp_single,
16235 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16236 * c-pragma.c (init_pragma): Do omp pragma registration here.
16237 * c.opt (fopenmp): New flag.
16239 2006-01-18 Eric Christopher <echristo@apple.com>
16241 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16242 * config/darwin.h (GOMP_SELF_SPECS): Define.
16244 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16246 * rtl.h: Remove the prototype for reg_alloc.
16248 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16251 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16252 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16253 sjlj and dwarf2 exception handling.
16254 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16255 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16256 * pa/pa.c (function_value): Treat complex and vector types as
16258 (function_arg): Likewise. Only pass scalar floats in the floating
16259 point argument registers.
16260 * pa/t-slibgcc-dwarf-ver: New file.
16261 * pa/t-slibgcc-sjlj-ver: New file.
16262 * pa/t-slibgcc-elf-ver: Delete file.
16264 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16266 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16267 unlikely_test_section_p test.
16269 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16271 * mode-switching.c (optimize_mode_switching): Make it static.
16272 * basic-block.h: Remove the prototype for
16273 optimize_mode_switching.
16275 * modulo-sched.c (sms_schedule): Make it static.
16276 * rtl.h: Remove the prototype for sms_schedule.
16278 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16279 * rtl.h: Remove the prototype for gcse_after_reload_main.
16281 * reg-stack.c (reg_to_stack): Make it static.
16282 * rtl.h: Remove the prototype for reg_to_stack.
16284 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16286 * rtl.h: Remove the prototypes for regrename_optimize and
16287 copyprop_hardreg_forward.
16289 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16291 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16292 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16293 Test against the appropriate null constant for the mode.
16294 If 'fixup_overlap' is true, swap the operands if they overlap.
16295 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16296 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16297 alpha_split_tmode_pair and adjust for above change.
16298 * config/alpha/alpha.md (movtf_internal): Adjust call to
16299 alpha_split_tfmode_pair and rely on it to swap the operands.
16300 (movti_internal): New insn and post-reload splitter.
16301 (movti): New expander.
16303 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16305 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16308 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16310 * rtlanal.c (global_reg_mentioned_p_1,
16311 global_reg_mentioned_p): Remove.
16312 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16314 * flow.c (initialize_uninitialized_subregs): Make it static.
16315 * rtl.h: Remove the prototype for
16316 initialize_uninitialized_subregs.
16318 * function.c (instantiate_virtual_regs): Make it static.
16319 * function.h: Remove the prototype for
16320 instantiate_virtual_regs.
16322 * regmove.c (regmove_optimize, combine_stack_adjustments):
16324 * rtl.h: Remove the prototypes for regmove_optimize and
16325 combine_stack_adjustments.
16327 2006-01-17 Roger Sayle <roger@eyesopen.com>
16329 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16330 (size_cost): Encode costs in bytes so that a reg-reg addition is
16331 equivalent to COSTS_N_INSNS(1).
16332 (override_options): Use the size_cost.branch_cost as the default
16333 ix86_branch_cost when optimizing for size.
16335 2006-01-18 Ben Elliston <bje@au.ibm.com>
16337 * Makefile.in (D32PBIT_FUNCS): New.
16338 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16339 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16340 D64PBIT_FUNCS and D128PBIT_FUNCS.
16341 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16342 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16344 (decnumber_dep): Define.
16345 * doc/libgcc.texi (Decimal float library routines): New node.
16346 * config/dfp-bit.h, config/dfp-bit.c: New files.
16348 2006-01-18 Ben Elliston <bje@au.ibm.com>
16350 * expr.c (emit_move_change_mode): Always adjust addresses, not
16351 just during reload. Copy replacements only during reload.
16352 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16353 emit_move_via_integer.
16355 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16357 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16358 instead of $(srcdir) and ${srcdir}.
16360 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16363 PR middle-end/11135
16364 * arm.h (struct machine_function): Add pic_reg.
16365 * arm.c (arm_pic_register): Make unsigned.
16366 (arm_override_options): Only set arm_pic_register if
16367 TARGET_SINGLE_PIC_BASE.
16368 (use_return_insn): Only test for a pic register if it is fixed.
16369 (arm_compute_save_reg0_reg12_mask): Likewise.
16370 (thumb_compute_save_reg_mask): Likewise.
16371 (legitimate_pic_operand): Factor out some known invariants.
16372 (legitimize_pic_address): If we don't have a fixed pic register,
16373 then set up a pseudo in the function entry sequence. Handle the
16374 pic base being in a pseudo.
16375 (arm_load_pic_register): Handle the pic register being in a pseudo.
16376 (arm_expand_prologue): Only set up the pic register if it is fixed.
16377 (thumb_expand_prologue): Likewise.
16378 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16379 (pic_load_addr_based_insn): Likewise.
16380 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16383 2006-01-18 Ben Elliston <bje@au.ibm.com>
16385 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16386 decimal float modes for all floating point registers.
16388 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16389 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16391 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16394 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16395 even when the pointer is not NULL.
16397 2006-01-16 Ian Lance Taylor <ian@airs.com>
16399 * common.opt (ftoplevel-reorder): New option.
16400 * cgraph.c (cgraph_asm_nodes): New global variable.
16401 (cgraph_asm_last_node): New static variable.
16402 (cgraph_order): New global variable.
16403 (cgraph_create_node): Set new order field.
16404 (cgraph_varpool_node): Likewise.
16405 (decide_is_variable_needed): Return true if not
16406 flag_toplevel_reorder.
16407 (cgraph_add_asm_node): New function.
16408 * cgraph.h (struct cgraph_node): Add order field.
16409 (struct cgraph_varpool_node): Add order field.
16410 (struct cgraph_asm_node): Define.
16411 (cgraph_asm_nodes, cgraph_order): Declare.
16412 (cgraph_add_asm_node): Declare.
16413 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16415 (cgraph_varpool_assemble_pending_decls): Call it.
16416 (cgraph_output_pending_asms): New static function.
16417 (cgraph_finalize_compilation_unit): Call it.
16418 (struct cgraph_order_sort): Define.
16419 (cgraph_output_in_order): New static function.
16420 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16421 !flag_toplevel_reorder case.
16422 * c-parser.c: Include "cgraph.h".
16423 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16425 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16426 than -fno-unit-at-a-time.
16427 * doc/invoke.texi (Option Summary): Mention
16428 -fno-toplevel-reorder.
16429 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16430 -funit-at-a-time documentation.
16432 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16433 Kazu Hirata <kazu@codesourcery.com>
16435 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16437 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16439 * Makefile.in (FUNCTION_H): New. Use it instead of
16440 function.h throughout the file.
16441 * function.h: Include tree.h.
16443 2006-01-17 Ben Elliston <bje@au.ibm.com>
16445 * recog.c: Separate some functions with whitespace.
16447 2006-01-16 Richard Henderson <rth@redhat.com>
16449 Merge from gomp branch:
16450 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16451 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16452 and rename from struct inline_data. Rename callee* to dst*;
16453 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16454 transform_new_cfg, transform_return_to_modify, and
16455 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16457 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16458 (copy_decl_for_dup): Remove.
16459 * tree-inline.c (struct inline_data): Move to header.
16460 (insert_decl_map): Export.
16461 (remap_decl): Update for member name changes. Use copy_decl hook.
16462 Allow for replacement to be a non-decl. Remove dead code.
16463 (remap_type_1): Check for existing mapping.
16464 (remap_type): Export.
16465 (remap_decls): Update for member name changes.
16466 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16467 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16468 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16469 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16470 (tree_function_versioning, build_duplicate_type): Likewise.
16471 (copy_body_r): Likewise. Export.
16472 (copy_decl_for_dup): Split into ...
16473 (copy_decl_for_dup_finish, copy_decl_to_var,
16474 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16475 (replace_ref_tree, inlining_p): Remove.
16477 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16479 * ifcvt.c (if_convert): Make it static.
16480 * rtl.h: Remove the prototype for if_convert.
16482 * local-alloc.c (local_alloc): Make it static.
16483 * rtl.h: Remove the prototype for local_alloc.
16485 * loop.c (loop_optimize): Make it static.
16486 * cfgloop.h: Remove the prototype for loop_optimize.
16489 2006-01-16 DJ Delorie <dj@redhat.com>
16491 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16494 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16496 * pa.md: Disparage copies between general and floating-point registers
16497 in 32-bit move patterns.
16499 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16502 * Makefile.in (check-%): Depend on site.exp instead of
16503 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16506 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16508 * global.c (global_alloc): Make it static.
16509 * rtl.h: Remove the prototype for global_alloc.
16511 2006-01-16 Richard Guenther <rguenther@suse.de>
16513 * tree-ssa-alias.c (struct used_part): Add write_only field.
16514 (get_or_create_used_part_for): Initialize it to true.
16515 (create_overlap_variables_for): Don't create structure variables
16516 for structures that only are written to.
16517 (find_used_portions): Handle MODIFY_EXPR to track whether a
16518 structure is only written to.
16520 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16522 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16524 * basic-block.h: Remove the prototype for
16525 partition_hot_cold_basic_blocks.
16527 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16529 * cppspec.c (lang_specific_spec_functions): Remove.
16530 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16531 * gcc.h (lang_specific_spec_functions): Remove.
16532 * gccspec.c (lang_specific_spec_functions): Remove.
16534 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16536 * combine.c (record_value_for_reg): Invalidate registers
16538 (record_dead_and_set_regs_1): Likewise, by passing them to
16539 record_value_for_reg.
16540 (record_dead_and_set_regs): Invalidate stores made by a
16541 call. We do not combine across a call, but we still
16542 relied on equivalences.
16544 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16546 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16547 vrp_int_const_binop returning non-constant nodes.
16549 2006-01-16 Paul Brook <paul@codesourcery.com>
16551 * config/m68k/m68k.c (output_move_const_into_data_reg):
16552 Output correct mnemonic for mvz and mvs.
16554 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16556 * rtl-factoring.c: Add sequence abstraction algorithm.
16557 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16558 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16560 (block_has_preserve_label): New function.
16561 * common.opt: Register new pass.
16562 * Makefile.in: Ditto.
16564 * timevar.def: Ditto.
16565 * tree-pass.h: Ditto.
16566 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16567 * rtl.h (make_jump_insn_raw): Add forward decl.
16568 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16570 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16571 Roger Sayle <roger@eyesopen.com>
16573 * fold-const.c (fold_minmax): New static function.
16574 (fold_binary) <MIN_EXPR>: Call it.
16575 <MAX_EXPR>: Likewise.
16576 * stor-layout.c (place_field): Use DECL_SIZE consistently
16577 in the computation of the new record size.
16579 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16581 * cse.c (cse_condition_code_reg): Make it static.
16582 * rtl.h: Remove the prototype for cse_condition_code_reg.
16584 * combine.c (combine_instructions): Make it static.
16585 * rtl.h: Remove the prototype for combine_instructions.
16587 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16590 * tree.c (get_file_function_name_long): Concatenate the first global
16591 object name with a string derived from the input filename of the object
16594 2006-01-16 Ben Elliston <bje@au.ibm.com>
16596 * config/i386/winnt-stubs.c: Update FSF address.
16597 * config/xtensa/ieee754-df.S: Ditto.
16598 * config/xtensa/ieee754-sf.S: Ditto.
16600 2006-01-14 Ian Lance Taylor <ian@airs.com>
16602 * ifcvt.c (noce_init_if_info): New static function, broken out of
16603 noce_process_if_block.
16604 (noce_process_if_block): Call noce_init_if_info.
16605 (check_cond_move_block): New static function.
16606 (cond_move_process_if_block): New static function.
16607 (process_if_block): Call cond_move_process_if_block.
16609 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16611 * cselib.c (hash_table): Rename to cselib_hash_table.
16612 (cselib_clear_table, discard_useless_values,
16613 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16614 cselib_init, cselib_finish): Adjust uses of hash_table.
16616 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16618 PR tree-optimization/25485
16619 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16620 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16621 is known to be false and true, respectively.
16623 2006-01-14 Richard Guenther <rguenther@suse.de>
16625 PR tree-optimization/22548
16626 PR tree-optimization/22555
16627 PR tree-optimization/22501
16628 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16629 * params.def (salias-max-array-elements): New parameter.
16630 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16631 * doc/invoke.texi (salias-max-array-elements): Document.
16632 * tree-flow-inline.h (var_can_have_subvars): We also handle
16634 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16636 * tree-ssa-structalias.c (params.h): Include.
16637 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16638 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16639 (get_constraint_for): For ADDR_EXPR operating on something
16640 containing an ARRAY_REF, add all subvars to the solution.
16641 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16642 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16643 for creating MUST_DEFs.
16644 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16646 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16648 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16650 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16651 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16652 number_of_iterations_le): New functions.
16653 (number_of_iterations_special): Removed.
16654 (number_of_iterations_exit): Do not use number_of_iterations_special.
16655 * tree.c (unsigned_type_for): Always return integer type.
16657 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16658 Richard Guenther <rguenther@suse.de>
16660 PR rtl-optimization/24257
16661 * gcse.c (find_moveable_store): Only consider a store movable
16662 when the SET_SRC of the insn can be assigned to a register.
16664 2006-01-14 Ian Lance Taylor <ian@airs.com>
16666 * tree.c (tree_not_class_check_failed): New function.
16667 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16668 (tree_not_class_check_failed): Declare.
16670 2006-01-13 Ian Lance Taylor <ian@airs.com>
16672 * reload1.c (do_output_reload): Add assertion rejecting a
16675 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16677 * combine.c (struct reg_stat): Add new fields truncation_label and
16679 (record_value_for_reg): Reset truncated_to_mode.
16680 (record_truncated_value): New function.
16681 (check_promoted_subreg): Call it. Rename to check_conversions.
16682 (combine_instructions): Rename check_promoted_subreg to
16684 (reg_truncated_to_mode): New function.
16685 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16686 (gen_lowpart_or_truncate): New function.
16687 (force_to_mode): Use it instead of gen_lowpart.
16689 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16691 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16692 VAR is a tag, not its type tag.
16694 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16696 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16697 alternatives to match style of other entries.
16698 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16700 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16702 PR tree-optimization/25771
16703 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16706 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16709 * tree-inline.c (declare_return_variable): If the return variable
16710 was marked as a non gimple complex, set the return slot variable
16711 to be a non gimple comple variable.
16713 2006-01-13 Richard Guenther <rguenther@suse.de>
16715 * builtins.c (expand_builtin_sincos): New function.
16716 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16718 (expand_builtin): Expand sincos using expand_builtin_sincos.
16720 2006-01-12 DJ Delorie <dj@redhat.com>
16722 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16723 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16724 so that constant shifts can be split.
16725 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16726 (m32c_valid_pointer_mode): Make static.
16727 (shift_gen_func_for): New.
16728 (m32c_prepare_shift): Use it. Split large const shifts into
16730 * config/m32c/predicates.md (shiftcount_operand): Allow more
16732 (longshiftcount_operand): New.
16733 * doc/md.texi (Machine Constraints): Document In6.
16735 2006-01-13 Ben Elliston <bje@au.ibm.com>
16737 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16738 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16741 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16743 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16744 to try to avoid clobbering pieces of structures when we know
16745 something about the whole structure.
16746 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16748 2006-01-13 Ben Elliston <bje@au.ibm.com>
16750 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16751 return in memory, as this is no limitation is no longer present.
16753 2006-01-12 DJ Delorie <dj@redhat.com>
16755 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16756 mova with fb, and for fb+0 -> An.
16758 * config/m32c/mov.md (peephole2): Fix enabling logic.
16760 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16761 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16762 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16763 FINI_ARRAY_SECTION_ASM_OP): Define.
16765 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16767 (m32c_legitimize_reload_address): New logic to reload FB to An.
16768 (m32c_output_reg_push): Add newline.
16769 (m32c_output_reg_pop): Likewise.
16771 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16773 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16775 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16777 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16779 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16781 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16784 2006-01-11 Ben Elliston <bje@au.ibm.com>
16786 * rtlanal.c (find_reg_note): Assert insn is not null.
16788 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16790 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16793 2006-01-11 Jeff Law <law@redhat.com>
16795 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16797 (mark_threaded_blocks, register_jump_thread): New functions.
16798 (thread_through_all_blocks): Remove unwanted argument. No
16799 longer rely on e->aux to communicate thread target info.
16800 Call mark_threaded_blocks. Release the threaded_blocks
16801 bitmap and threaded_edges vector when complete.
16802 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16803 (threaded_blocks): Remove.
16804 (tree_ssa_dominator_optimize): Remove initialization and
16805 finalization of threaded_blocks. Simplify call to
16806 thread_through_all_blocks.
16807 (thread_across_edge): Call register_jump_thread rather than
16808 storing thread information into e->aux.
16809 (free_all_edge_infos): Simplify now that e->aux is no longer
16810 used to communicate with thread_through_all_blocks.
16811 * tree-flow.h (thread_through_all_blocks): Update prototype.
16812 (register_jump_thread): Prototype.
16814 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16816 * df-core.c (df_compact_blocks, df_bb_replace): Use
16817 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16819 2006-01-11 Richard Guenther <rguenther@suse.de>
16821 PR tree-optimization/25734
16822 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16823 stop propagation after successful propagation to the LHS.
16825 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16827 * basic-block.h (control_flow_graph): Change the type of
16828 x_basic_block_info to VEC(basic_block,gc) *.
16829 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16831 (SET_BASIC_BLOCK): New.
16832 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16833 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16834 * cfgbuild.c (find_basic_blocks): Likewise.
16835 * cfglayout.c (fixup_reorder_chain): Likewise.
16836 * cfgrtl.c (create_basic_block_structure,
16837 rtl_create_basic_block): Likewise.
16838 * ifcvt.c (find_if_case_1): Likewise.
16839 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16842 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16844 * Makefile.in: Removed rotted odf.c entry.
16846 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16849 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16850 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16851 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16852 output pattern modifier, not %e.
16853 * config/cris/cris.c (cris_op_str): Update comment about pattern
16855 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16856 before falling through into...
16857 <case 'E'>: Redefined from old 'e' case.
16859 2006-01-11 Jan Hubicka <jh@suse.cz>
16862 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16864 2006-01-11 Jan Hubicka <jh@suse.cz>
16866 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16867 * i386.c (x86_decompose_lea): Kill.
16868 (ix86_rtx_costs): Kill.
16870 2006-01-11 Jan Hubicka <jh@suse.cz>
16872 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16873 * cgraph.h (cgraph_node): Add inline_decl.
16874 (cgraph_insert_node_to_hashtable): Declare.
16875 (save_inline_function_body): Declare.
16876 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16878 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16879 (cgraph_function_versioning): Update call of tree_function_versioning.
16880 (save_inline_function_body): New function.
16881 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16882 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16883 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16884 (cgraph_default_inline_p): Likewise.
16885 (cgraph_decide_inlining_incrementally): Likewise.
16886 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16887 (copy_bb): Kill saving; do updating of clones.
16888 (copy_cfg_body): Kill saving.
16889 (initialize_inlined-parameters): Likewise.
16890 (expand_call_inline): Likewise.
16892 (tree_function_versioning): New parameter "update_clones".
16893 (inlining_p): Kill saving.
16894 * tree-inline.h (tree_function_versioning): Update prototype.
16895 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16898 2006-01-11 Ian Lance Taylor <ian@airs.com>
16900 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16901 Allow undoing set of machine mode.
16902 (do_SUBST): Use enums instead of is_int.
16903 (do_SUBST_MODE): New function.
16904 (SUBST_MODE): New macro.
16905 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16906 reg and trying to replace reg_regno_rtx with a new register.
16907 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16908 (simplify_set): Use SUBST_MODE.
16909 (distribute_notes): Remove code that tried to update reg notes
16910 for regno_reg_rtx changes.
16912 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16914 PR tree-optimization/23109
16915 PR tree-optimization/23948
16916 PR tree-optimization/24123
16918 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16919 * tree-cfg.c (single_noncomplex_succ): New.
16920 * tree-flow.h (single_noncomplex_succ): Declare it.
16921 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16922 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16923 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16924 insert_bb, register_division_in, insert_reciprocals,
16925 replace_reciprocal, free_bb): New.
16926 (execute_cse_reciprocals_1): Rewritten.
16927 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16928 Do not commit any edge insertion. Always compute dominators and
16929 create the allocation pool.
16930 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16931 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16932 * targhooks.c (default_min_divistions_for_recip_mul): New.
16933 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16934 * passes.c (init_optimization_passes): Run recip after tree loop
16936 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16938 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16939 Kenneth Zadeck <zadeck@naturalbridge.com>
16941 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16942 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16943 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16944 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16945 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16946 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16947 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16948 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16949 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16950 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16951 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16952 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16953 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16954 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16955 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16956 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16957 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16958 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16959 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16960 DF_SCAN_POST_ALLOC): New macros.
16961 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16962 df_free_bb_function, df_local_compute_function, df_init_function,
16963 df_dataflow_function, df_confluence_function_0,
16964 df_confluence_function_n, df_transfer_function,
16965 df_finalizer_function, df_free_function, df_dump_problem_function,
16966 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16967 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16968 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16969 df_urec_bb_info, ) New types.
16970 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16972 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16973 df_analyze_simple_change_some_blocks,
16974 df_analyze_simple_change_one_block, df_compact_blocks,
16975 df_bb_replace, df_bb_regno_last_use_find,
16976 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16977 df_insn_regno_def_p, df_find_def, df_find_use,
16978 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16979 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16980 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16981 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16982 debug_df_chain, df_get_dependent_problem, df_chain_create,
16983 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16984 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16985 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16986 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16987 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16988 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16989 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16990 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16991 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16992 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16993 df_reorganize_refs, df_set_state, df_hard_reg_init,
16994 df_read_modify_subreg_p) New public functions.
16995 * df-core.c: The core dataflow solver and glue routines for rtl
16997 (df_init, df_add_problem, df_set_blocks, df_finish,
16998 df_hybrid_search_forward, df_hybrid_search_backward,
16999 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17000 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17001 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17002 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17003 df_reg_defined, df_find_use, df_reg_used, df_dump,
17004 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17005 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17006 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17007 debug_df_useno, reset_df_after_reload): New functions.
17008 * df-scan.c: The scanning fuctions, once in df.c, completely
17009 rewritten so that they now fully model the functionality of
17010 register usage at the backend.
17011 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17012 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17013 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17014 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17015 df_get_artificial_defs, df_get_artificial_uses,
17016 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17017 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17018 df_refs_delete, df_reorganize_refs, df_set_state,
17019 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17020 df_def_record_1, df_defs_record, df_uses_record,
17021 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17022 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17023 df_record_exit_block_uses, df_hard_reg_init): New functions.
17025 * df-problems.c: Seven concrete dataflow problems that use the
17026 scanning in df-scan.c and are solved by the engine in df-core.c.
17027 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17028 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17029 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17030 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17031 df_ru_free_bb_info, df_ru_alloc,
17032 df_ru_bb_local_compute_process_def,
17033 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17034 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17035 df_ru_transfer_function, df_ru_free, df_ru_dump,
17036 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17037 df_rd_free_bb_info, df_rd_alloc,
17038 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17039 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17040 df_rd_transfer_function, df_rd_free, df_rd_dump,
17041 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17042 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17043 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17044 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17045 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17046 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17047 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17048 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17049 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17050 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17051 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17052 df_urec_mark_reg_use_for_earlyclobber,
17053 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17054 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17055 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17056 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17057 df_chain_create_bb_process_use, df_chain_create_bb,
17058 df_chain_finalize, df_chain_free, df_chains_dump,
17059 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17060 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17061 df_reg_lifetime): New functions.
17062 * df.c: Deleted file.
17063 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17064 consistent with new df api.
17065 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17066 rest_of_handle_sms): Ditto.
17067 * web.c (unionfind_union, union_defs, entry_register, web_main):
17069 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17070 invariant_expr_equal_p, find_defs, check_dependencies,
17071 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17072 free_inv_motion_data, move_loop_invariants): Ditto.
17073 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17074 Update dependencies.
17075 (odf.c): Added defective entry that was deleted later in day.
17076 * sched-deps.c (sched_analyze_1): Ditto.
17078 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17080 * tree-ssa-operands.c (get_expr_operands): Record addressable
17081 variables directly. Do not call add_stmt_operands for CONST_DECLs
17083 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17084 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17086 2006-01-11 Ben Elliston <bje@au.ibm.com>
17088 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17089 function returns true in the positive case.
17091 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17094 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17095 for SI, DI, SF and DF modes. Add alternatives to copy between
17096 general and floating point registers to the 32-bit patterns.
17097 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17098 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17099 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17100 generating 64-bit code.
17101 * config/pa/pa.c (output_move_double): Handle copies between general
17102 and floating registers.
17104 2006-01-10 Stuart Hastings <stuart@apple.com>
17106 * config/i386/i386.md (set_got): Update.
17107 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17108 (builtin_setjmp_receiver): Mach-O support.
17109 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17110 (GOT_SYMBOL_NAME): Define.
17111 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17112 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17113 * config/i386/i386.c (override_options): Revise for Darwin.
17114 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17115 support. (darwin_x86_file_end): New. (output_set_got): Add label
17116 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17117 * config/i386/i386-protos.h (output_set_got): Likewise.
17118 * config/darwin.c (machopic_legitimize_pic_address): Update
17121 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17123 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17124 when MODE isn't BLKmode.
17126 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17128 PR rtl-optimization/25367
17129 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17131 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17134 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17135 for a negative bound.
17137 2006-01-10 Richard Guenther <rguenther@suse.de>
17139 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17140 Never override with anything constraint.
17142 2006-01-10 Jan Beulich <jbeulich@novell.com>
17144 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17145 256 bits when optimize_size.
17147 2006-01-10 Jan Beulich <jbeulich@novell.com>
17149 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17151 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17152 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17155 2006-01-10 Ben Elliston <bje@au.ibm.com>
17157 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17159 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17160 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17161 (USE_FP_FOR_ARG): Reject decimal float modes.
17162 (function_arg_advance): Likewise.
17163 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17164 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17165 point types in AltiVec vectors.
17166 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17167 (rs6000_libcall_value): Likewise.
17169 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17171 * config/xtensa/ieee754-df.S: New file.
17172 * config/xtensa/ieee754-sf.S: New file.
17173 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17174 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17175 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17177 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17179 * config/sh/predicates.md (binary_float_operator,
17180 binary_logical_operator, commutative_float_operator,
17181 equality_comparison_operator, greater_comparison_operator,
17182 less_comparison_operator, logical_operator,
17183 noncommutative_float_operator, shift_operator,
17184 symbol_ref_operand, unary_float_operator): Remove redundant
17187 2006-01-09 Jeff Law <law@redhat.com>
17189 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17190 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17191 now unused arguments. Callers updated.
17192 (eliminate_redundant_computations): Remove now unused arguments,
17194 (local_fold): Remove, no longer used.
17195 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17197 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17198 (simplify_cond): New function.
17199 (forward_propagate_into_cond): Call simplify_cond.
17201 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17203 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17204 (*vec_extractv2di_1_sse): New.
17206 2006-01-09 Ben Elliston <bje@au.ibm.com>
17208 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17210 2006-01-08 Richard Guenther <rguenther@suse.de>
17212 * tree-ssa-structalias.c (get_constraint_for): Remove
17213 anyoffset argument.
17214 (get_constraint_for_component_ref): Likewise.
17215 (do_deref): Likewise.
17216 (get_constraint_for): Likewise.
17217 (do_structure_copy): Likewise.
17218 (handle_ptr_arith): Likewise.
17219 (find_func_aliases): Likewise. Remove unused need_anyoffset
17222 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17223 Kaz Kojima <kkojima@gcc.gnu.org>
17225 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17226 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17227 (EXTRA_CONSTRAINT_C16): Remove.
17228 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17229 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17230 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17231 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17232 constants of SHmedia. Handle nested constant expressions of
17234 (andcosts): Fix the costs for SHmedia constants.
17235 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17236 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17237 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17238 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17239 (movv4hi_i, movv2si_i): Likewise.
17240 (movsi_const): Adjust the second operand of ior so to match with
17241 the Csu constraint.
17242 (movdi_const, movdi_const_32bit): Likewise.
17243 (movdi_const_16bit+1): Don't sign-extend LOW.
17244 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17246 (*double_shori): Fix the split condition. Use GEN_INT instead
17247 of get_int_mode calls. Mask lower 16-bit of the argument of
17249 (sym2GOTPLT): Remove.
17250 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17252 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17253 instead of EXTRA_CONSTRAINT_C16.
17255 2006-01-07 Ian Lance Taylor <ian@airs.com>
17256 David Edelsohn <edelsohn@gnu.org>
17258 PR rtl-optimization/25662
17259 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17260 for constant operands instead of simplify_gen_binary.
17261 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17262 after trying simplify_binary_operation
17264 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17266 * tree.c (iterative_hash_expr): Hash decls based on UID.
17268 2006-01-06 Eric Christopher <echristo@apple.com>
17270 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17271 (TARGET_UNWIND_EMIT): Fix spelling.
17272 * target.h (gcc_target): Add except_table_label.
17273 * except.c (output_function_exception_table): Use.
17274 * varasm.c (default_emit_except_table_label): New.
17275 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17277 (asm_out): Add here.
17278 * output.h (default_emit_except_table_label): Prototype.
17279 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17280 * config/darwin.c (darwin_emit_except_table_label): Define.
17281 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17283 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17285 PR tree-optimization/18527
17286 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17287 number_of_iterations_special, number_of_iterations_exit):
17288 Move base and step of an iv to a single structure. Add
17289 no_overflow flag, and use it in # of iterations analysis.
17290 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17291 folded_casts argument.
17292 (simple_iv): Pass base and step in a structure. Set no_overflow
17294 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17295 Evaluate expensiveness of computing # of iterations instead of
17296 the final expression.
17297 * tree-scalar-evolution.h (affine_iv): New structure.
17298 (simple_iv): Declaration changed.
17299 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17300 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17301 find_givs_in_stmt): Changed due to simple_iv change.
17303 2006-01-06 Jeff Law <law@redhat.com>
17306 * tree-cfg.c (bsi_replace): Rename final argument from
17307 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17308 change (stmt -> orig_stmt).
17309 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17310 (bsi_remove): Add new argument. Remove EH information
17312 (verify_eh_throw_table_statements): New function.
17313 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17315 * tree-optimize.c (execute_free_cfg_annotations): Verify
17316 the EH throw statement table after removing annotations.
17317 * except.h (verify_eh_throw_table_statements): Prototype.
17318 * tree-flow.h (bsi_remove): Update prototype.
17319 * tree-vrp.c (remove_range_assertions): Add new argument to
17321 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17322 * tree-complex.c (expand_complex_div_wide): Likewise.
17323 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17324 * tree-tailcall.c (eliminate_tailcall): Likewise.
17325 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17326 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17327 * tree-nrv.c (tree_nrv): Likewise.
17328 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17329 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17330 (combine_blocks): Likewise.
17331 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17332 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17333 (cleanup_control_flow): Likewise.
17334 (remove_forwarder_block): Likewise.
17335 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17336 * tree-sra.c (sra_replace): Likewise.
17337 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17338 (forward_propagate_single_use_vars): Likewise.
17339 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17340 * tree-inline.c (expand_call_inline): Likewise.
17341 * tree-vect-transform.c (vect_transform_loop): Likewise.
17342 * tree-outof-ssa.c (rewrite_trees): Likewise.
17343 * tree-cfg.c (make_goto_expr_edges): Likewise.
17344 (cleanup_dead_labels): Likewise.
17345 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17346 (bsi_move_before, bsi_move_after): Likewise.
17347 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17348 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17350 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17353 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17355 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17356 on non gimple variables. Also add checks at the top for decls and
17358 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17360 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17361 and IMAGPART_EXPR for creating MUST_DEFs.
17362 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17363 and NAME_MEMORY_TAG separately from the DECLs.
17365 2006-01-06 Richard Guenther <rguenther@suse.de>
17367 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17368 annotation, if necessary.
17369 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17370 redundant calls to update_stmt.
17371 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17374 2006-01-05 Richard Henderson <rth@redhat.com>
17376 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17378 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17380 * c-typeck.c: Update copyright date.
17382 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17384 * c-typeck.c (build_c_cast): Always warn when casting
17385 from a pointer to an integer of different size, even if
17386 the node was constant.
17388 2006-01-05 Richard Guenther <rguenther@suse.de>
17390 PR tree-optimization/22555
17391 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17392 if one structure field is an array.
17393 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17394 operands even if we found a subvar, but ignore VOPs in this
17396 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17398 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17400 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17402 PR middle-end/24998
17403 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17405 2006-01-05 Richard Guenther <rguenther@suse.de>
17406 Diego Novillo <dnovillo@redhat.com>
17408 * tree-pass.h (TODO_remove_unused_locals): Define.
17409 * gimple-low.c (expand_var_p, remove_useless_vars,
17410 pass_remove_useless_vars): Remove. Update all users.
17411 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17412 (remove_unused_locals): New function.
17413 * tree-flow.h (remove_unused_locals): Declare.
17414 * passes.c (execute_todo): Call remove_unused_locals if
17415 TODO_remove_unused_locals is set.
17416 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17417 * tree-ssa-dce.c (pass_dce): Likewise.
17418 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17420 2006-01-05 Richard Guenther <rguenther@suse.de>
17422 * tree-flow.h (struct fieldoff): Decompose field to
17423 type, size and decl.
17424 * tree-ssa-alias.c (create_sft): Take type as parameter.
17425 (create_overlap_variables_for): Store type, size and decl
17426 in the fieldoff structure.
17427 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17428 of struct fieldoff.
17429 (push_fields_onto_fieldstack): Likewise.
17430 (create_variable_info_for): Likewise. Use offset for the
17431 SFT name if the decl is not available.
17433 2006-01-04 Paul Brook <paul@codesourcery.com>
17435 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17437 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17439 * lambda-code.c (can_put_in_inner_loop): Relax
17441 (can_put_after_inner_loop): New function.
17442 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17443 (perfect_nestify): Change to make copies and modify uses.
17445 2006-01-04 Richard Henderson <rth@redhat.com>
17447 Merge from gomp branch:
17448 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17449 via integer constant.
17450 (pragma_lex): Remove.
17451 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17452 rather than parsing it.
17453 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17454 handle_pragma_extern_prefix): Add %< %> quotes.
17455 (registered_pragmas): New.
17456 (c_register_pragma_1): New.
17457 (c_register_pragma): Use it.
17458 (c_register_pragma_with_expansion): Likewise.
17459 (c_invoke_pragma_handler): New.
17460 (init_pragma): Use cpp_register_deferred_pragma directly for
17462 * c-pragma.h (enum pragma_kind): New.
17463 (pragma_handler): New.
17464 (c_invoke_pragma_handler): Declare.
17465 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17467 * c-common.h (c_common_pch_pragma): Update decl.
17468 * Makefile.in (c-parser.o): Update dependencies.
17469 (GTFILES): Add c-pragma.h.
17470 * c-parser.c (struct c_token): Add pragma_kind.
17471 (struct c_parser): Add in_pragma.
17472 (c_lex_one_token): Always initialize keyword and pragma_kind.
17473 Extract data for CPP_PRAGMA.
17474 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17475 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17476 Don't allow CPP_PRAGMA_EOL if in_pragma.
17477 (c_parser_consume_pragma): New.
17478 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17479 (c_parser_skip_to_end_of_parameter): Likewise.
17480 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17481 (c_parser_skip_to_pragma_eol): New.
17482 (c_parser_external_declaration): Handle CPP_PRAGMA.
17483 (c_parser_compound_statement_nostart): Likewise.
17484 (c_parser_statement_after_labels): Likewise.
17485 (c_parser_pragma): New.
17486 (pragma_lex): Likewise.
17487 (c_parser_pragma_pch_preprocess): New.
17488 (c_parser_new): Merge into ...
17489 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17491 2006-01-04 Jeff Law <law@redhat.com>
17494 * tree-cfg.c (bsi_replace): Remove the original statement
17495 from the EH throw statement table.
17497 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17499 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17500 make the prototype extern "C" and add throw ().
17503 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17504 and pos non-negative and pos + len <= 32.
17505 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17506 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17507 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17510 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17511 as well as sizes not multiple of component size.
17514 * function.c (instantiate_expr): New function.
17515 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17516 walk its DECL_VALUE_EXPR with instantiate_expr.
17518 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17519 DW_OP_deref{,_size} if address isn't going to be added.
17521 2006-01-04 Ben Elliston <bje@au.ibm.com>
17523 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17524 * config/fp-bit.c: Likewise.
17526 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17528 * dominance.c: Add comment about why we use DFS numbering
17531 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17532 Richard Henderson <rth@redhat.com>
17534 Merge from gomp-branch:
17535 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17536 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17538 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17540 PR rtl-optimization/25578
17541 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17542 pass a parameter to simplify_shift_const if changing ASHIFTRT
17545 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17547 * builtins.c (get_builtin_sync_mem): New function.
17548 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17549 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17550 Call get_builtin_sync_mem to generate mem rtx.
17552 2006-01-03 Richard Guenther <rguenther@suse.de>
17555 * stmt.c (add_case_node): Make sure to clear overflow flags
17558 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17560 Merge from gomp-branch.
17561 * config/sparc/sync.md: New file.
17562 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17563 UNSPECV_LDSTUB): New constants.
17564 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17565 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17566 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17569 2006-01-03 Roger Sayle <roger@eyesopen.com>
17571 * combine.c (reg_subword_p): New predicate to test whether the
17572 destination of a set refers to a subword/piece of a register.
17573 (try_combine): Generalize the code to merge the setting of a
17574 pseudo to a constant followed by a set of a subword of that
17575 register to a constant.
17577 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17579 * basic-block.h (control_flow_graph): Change the type of
17580 x_label_to_block_map to VEC(basic_block,gc) *.
17581 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17582 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17584 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17585 VEC(basic_block,heap) *.
17586 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17587 ssa_prop_fini): Adjust the uses of cfg_blocks.
17589 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17591 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17593 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17594 hashing trees instead of a pointer hash.
17595 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17596 compare for MEM_EXPR.
17598 PR rtl-optimization/25130
17599 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17600 when comparing MEMs for GCSE
17602 2006-01-03 Ben Elliston <bje@au.ibm.com>
17604 * targhooks.h (default_decimal_float_supported_p): Declare.
17605 * targhooks.c (default_decimal_float_supported_p): Define.
17606 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17607 `default_decimal_float_supported_p'.
17608 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17610 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17612 * combine.c (apply_distributive_law <SUBREG>): Check
17613 TRULY_NOOP_TRUNCATION.
17615 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17617 * dwarf2out.c (have_switched_text_section): Delete.
17618 (have_multiple_function_sections): New.
17619 (have_location_lists): Make 'bool'.
17620 (add_AT_loc_list): Use 'true' not '1'.
17621 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17622 (output_loc_list): Use have_multiple_function_sections.
17623 (output_ranges): Likewise.
17624 (dwarf2out_begin_function): Set have_multiple_function_sections if
17626 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17627 Check function_section rather than DECL_SECTION_NAME.
17628 (dwarf2out_finish): Use have_multiple_function_sections.
17629 Don't clear have_location_lists.
17631 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17632 Jan Hubicka <jh@suse.cz>
17634 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17635 case of conditional jump jumping to the next instruction.
17636 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17637 cases of conditional jump jumping to the next instruction.
17639 2006-01-02 Jan Hubicka <jh@suse.cz>
17641 * i386.c (*_cost): Add COSTS_N_INSNS.
17642 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17644 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17647 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17649 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17651 * config/arm/arm.c (all_fpus): Fix comment typo.
17652 * config/darwin.c: Likewise.
17653 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17654 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17655 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17657 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17659 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17660 (rs6000_split_compare_and_swapqhi): New.
17661 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17662 (sync_compare_and_swapqhi_internal): New.
17663 * config/rs6000/rs6000-protos.h: Declare.